From 5d308865d0783d0cd70f7453c77980835ac5648e Mon Sep 17 00:00:00 2001 From: Angelo Mantellini Date: Wed, 21 Mar 2018 14:16:02 +0100 Subject: update android-sdk. Now it is possible to compile with clang Change-Id: I156aa48dd90467a2a7540eec11839c0111b13bd2 Signed-off-by: Angelo Mantellini --- external/libxml2_android/jni/libxml2/relaxng.c | 11059 ----------------------- 1 file changed, 11059 deletions(-) delete mode 100644 external/libxml2_android/jni/libxml2/relaxng.c (limited to 'external/libxml2_android/jni/libxml2/relaxng.c') diff --git a/external/libxml2_android/jni/libxml2/relaxng.c b/external/libxml2_android/jni/libxml2/relaxng.c deleted file mode 100644 index 3d3e69c0..00000000 --- a/external/libxml2_android/jni/libxml2/relaxng.c +++ /dev/null @@ -1,11059 +0,0 @@ -/* - * relaxng.c : implementation of the Relax-NG handling and validity checking - * - * See Copyright for the status of this software. - * - * Daniel Veillard - */ - -/** - * TODO: - * - add support for DTD compatibility spec - * http://www.oasis-open.org/committees/relax-ng/compatibility-20011203.html - * - report better mem allocations pbms at runtime and abort immediately. - */ - -#define IN_LIBXML -#include "libxml.h" - -#ifdef LIBXML_SCHEMAS_ENABLED - -#include -#include -#include -#include -#include -#include -#include - -#include - -#include -#include -#include -#include - -/* - * The Relax-NG namespace - */ -static const xmlChar *xmlRelaxNGNs = (const xmlChar *) - "http://relaxng.org/ns/structure/1.0"; - -#define IS_RELAXNG(node, typ) \ - ((node != NULL) && (node->ns != NULL) && \ - (node->type == XML_ELEMENT_NODE) && \ - (xmlStrEqual(node->name, (const xmlChar *) typ)) && \ - (xmlStrEqual(node->ns->href, xmlRelaxNGNs))) - - -#if 0 -#define DEBUG 1 - -#define DEBUG_GRAMMAR 1 - -#define DEBUG_CONTENT 1 - -#define DEBUG_TYPE 1 - -#define DEBUG_VALID 1 - -#define DEBUG_INTERLEAVE 1 - -#define DEBUG_LIST 1 - -#define DEBUG_INCLUDE 1 - -#define DEBUG_ERROR 1 - -#define DEBUG_COMPILE 1 - -#define DEBUG_PROGRESSIVE 1 -#endif - -#define MAX_ERROR 5 - -#define TODO \ - xmlGenericError(xmlGenericErrorContext, \ - "Unimplemented block at %s:%d\n", \ - __FILE__, __LINE__); - -typedef struct _xmlRelaxNGSchema xmlRelaxNGSchema; -typedef xmlRelaxNGSchema *xmlRelaxNGSchemaPtr; - -typedef struct _xmlRelaxNGDefine xmlRelaxNGDefine; -typedef xmlRelaxNGDefine *xmlRelaxNGDefinePtr; - -typedef struct _xmlRelaxNGDocument xmlRelaxNGDocument; -typedef xmlRelaxNGDocument *xmlRelaxNGDocumentPtr; - -typedef struct _xmlRelaxNGInclude xmlRelaxNGInclude; -typedef xmlRelaxNGInclude *xmlRelaxNGIncludePtr; - -typedef enum { - XML_RELAXNG_COMBINE_UNDEFINED = 0, /* undefined */ - XML_RELAXNG_COMBINE_CHOICE, /* choice */ - XML_RELAXNG_COMBINE_INTERLEAVE /* interleave */ -} xmlRelaxNGCombine; - -typedef enum { - XML_RELAXNG_CONTENT_ERROR = -1, - XML_RELAXNG_CONTENT_EMPTY = 0, - XML_RELAXNG_CONTENT_SIMPLE, - XML_RELAXNG_CONTENT_COMPLEX -} xmlRelaxNGContentType; - -typedef struct _xmlRelaxNGGrammar xmlRelaxNGGrammar; -typedef xmlRelaxNGGrammar *xmlRelaxNGGrammarPtr; - -struct _xmlRelaxNGGrammar { - xmlRelaxNGGrammarPtr parent; /* the parent grammar if any */ - xmlRelaxNGGrammarPtr children; /* the children grammar if any */ - xmlRelaxNGGrammarPtr next; /* the next grammar if any */ - xmlRelaxNGDefinePtr start; /* content */ - xmlRelaxNGCombine combine; /* the default combine value */ - xmlRelaxNGDefinePtr startList; /* list of definitions */ - xmlHashTablePtr defs; /* define* */ - xmlHashTablePtr refs; /* references */ -}; - - -typedef enum { - XML_RELAXNG_NOOP = -1, /* a no operation from simplification */ - XML_RELAXNG_EMPTY = 0, /* an empty pattern */ - XML_RELAXNG_NOT_ALLOWED, /* not allowed top */ - XML_RELAXNG_EXCEPT, /* except present in nameclass defs */ - XML_RELAXNG_TEXT, /* textual content */ - XML_RELAXNG_ELEMENT, /* an element */ - XML_RELAXNG_DATATYPE, /* extenal data type definition */ - XML_RELAXNG_PARAM, /* extenal data type parameter */ - XML_RELAXNG_VALUE, /* value from an extenal data type definition */ - XML_RELAXNG_LIST, /* a list of patterns */ - XML_RELAXNG_ATTRIBUTE, /* an attrbute following a pattern */ - XML_RELAXNG_DEF, /* a definition */ - XML_RELAXNG_REF, /* reference to a definition */ - XML_RELAXNG_EXTERNALREF, /* reference to an external def */ - XML_RELAXNG_PARENTREF, /* reference to a def in the parent grammar */ - XML_RELAXNG_OPTIONAL, /* optional patterns */ - XML_RELAXNG_ZEROORMORE, /* zero or more non empty patterns */ - XML_RELAXNG_ONEORMORE, /* one or more non empty patterns */ - XML_RELAXNG_CHOICE, /* a choice between non empty patterns */ - XML_RELAXNG_GROUP, /* a pair/group of non empty patterns */ - XML_RELAXNG_INTERLEAVE, /* interleaving choice of non-empty patterns */ - XML_RELAXNG_START /* Used to keep track of starts on grammars */ -} xmlRelaxNGType; - -#define IS_NULLABLE (1 << 0) -#define IS_NOT_NULLABLE (1 << 1) -#define IS_INDETERMINIST (1 << 2) -#define IS_MIXED (1 << 3) -#define IS_TRIABLE (1 << 4) -#define IS_PROCESSED (1 << 5) -#define IS_COMPILABLE (1 << 6) -#define IS_NOT_COMPILABLE (1 << 7) -#define IS_EXTERNAL_REF (1 << 8) - -struct _xmlRelaxNGDefine { - xmlRelaxNGType type; /* the type of definition */ - xmlNodePtr node; /* the node in the source */ - xmlChar *name; /* the element local name if present */ - xmlChar *ns; /* the namespace local name if present */ - xmlChar *value; /* value when available */ - void *data; /* data lib or specific pointer */ - xmlRelaxNGDefinePtr content; /* the expected content */ - xmlRelaxNGDefinePtr parent; /* the parent definition, if any */ - xmlRelaxNGDefinePtr next; /* list within grouping sequences */ - xmlRelaxNGDefinePtr attrs; /* list of attributes for elements */ - xmlRelaxNGDefinePtr nameClass; /* the nameClass definition if any */ - xmlRelaxNGDefinePtr nextHash; /* next define in defs/refs hash tables */ - short depth; /* used for the cycle detection */ - short dflags; /* define related flags */ - xmlRegexpPtr contModel; /* a compiled content model if available */ -}; - -/** - * _xmlRelaxNG: - * - * A RelaxNGs definition - */ -struct _xmlRelaxNG { - void *_private; /* unused by the library for users or bindings */ - xmlRelaxNGGrammarPtr topgrammar; - xmlDocPtr doc; - - int idref; /* requires idref checking */ - - xmlHashTablePtr defs; /* define */ - xmlHashTablePtr refs; /* references */ - xmlRelaxNGDocumentPtr documents; /* all the documents loaded */ - xmlRelaxNGIncludePtr includes; /* all the includes loaded */ - int defNr; /* number of defines used */ - xmlRelaxNGDefinePtr *defTab; /* pointer to the allocated definitions */ - -}; - -#define XML_RELAXNG_IN_ATTRIBUTE (1 << 0) -#define XML_RELAXNG_IN_ONEORMORE (1 << 1) -#define XML_RELAXNG_IN_LIST (1 << 2) -#define XML_RELAXNG_IN_DATAEXCEPT (1 << 3) -#define XML_RELAXNG_IN_START (1 << 4) -#define XML_RELAXNG_IN_OOMGROUP (1 << 5) -#define XML_RELAXNG_IN_OOMINTERLEAVE (1 << 6) -#define XML_RELAXNG_IN_EXTERNALREF (1 << 7) -#define XML_RELAXNG_IN_ANYEXCEPT (1 << 8) -#define XML_RELAXNG_IN_NSEXCEPT (1 << 9) - -struct _xmlRelaxNGParserCtxt { - void *userData; /* user specific data block */ - xmlRelaxNGValidityErrorFunc error; /* the callback in case of errors */ - xmlRelaxNGValidityWarningFunc warning; /* the callback in case of warning */ - xmlStructuredErrorFunc serror; - xmlRelaxNGValidErr err; - - xmlRelaxNGPtr schema; /* The schema in use */ - xmlRelaxNGGrammarPtr grammar; /* the current grammar */ - xmlRelaxNGGrammarPtr parentgrammar; /* the parent grammar */ - int flags; /* parser flags */ - int nbErrors; /* number of errors at parse time */ - int nbWarnings; /* number of warnings at parse time */ - const xmlChar *define; /* the current define scope */ - xmlRelaxNGDefinePtr def; /* the current define */ - - int nbInterleaves; - xmlHashTablePtr interleaves; /* keep track of all the interleaves */ - - xmlRelaxNGDocumentPtr documents; /* all the documents loaded */ - xmlRelaxNGIncludePtr includes; /* all the includes loaded */ - xmlChar *URL; - xmlDocPtr document; - - int defNr; /* number of defines used */ - int defMax; /* number of defines aloocated */ - xmlRelaxNGDefinePtr *defTab; /* pointer to the allocated definitions */ - - const char *buffer; - int size; - - /* the document stack */ - xmlRelaxNGDocumentPtr doc; /* Current parsed external ref */ - int docNr; /* Depth of the parsing stack */ - int docMax; /* Max depth of the parsing stack */ - xmlRelaxNGDocumentPtr *docTab; /* array of docs */ - - /* the include stack */ - xmlRelaxNGIncludePtr inc; /* Current parsed include */ - int incNr; /* Depth of the include parsing stack */ - int incMax; /* Max depth of the parsing stack */ - xmlRelaxNGIncludePtr *incTab; /* array of incs */ - - int idref; /* requires idref checking */ - - /* used to compile content models */ - xmlAutomataPtr am; /* the automata */ - xmlAutomataStatePtr state; /* used to build the automata */ - - int crng; /* compact syntax and other flags */ - int freedoc; /* need to free the document */ -}; - -#define FLAGS_IGNORABLE 1 -#define FLAGS_NEGATIVE 2 -#define FLAGS_MIXED_CONTENT 4 -#define FLAGS_NOERROR 8 - -/** - * xmlRelaxNGInterleaveGroup: - * - * A RelaxNGs partition set associated to lists of definitions - */ -typedef struct _xmlRelaxNGInterleaveGroup xmlRelaxNGInterleaveGroup; -typedef xmlRelaxNGInterleaveGroup *xmlRelaxNGInterleaveGroupPtr; -struct _xmlRelaxNGInterleaveGroup { - xmlRelaxNGDefinePtr rule; /* the rule to satisfy */ - xmlRelaxNGDefinePtr *defs; /* the array of element definitions */ - xmlRelaxNGDefinePtr *attrs; /* the array of attributes definitions */ -}; - -#define IS_DETERMINIST 1 -#define IS_NEEDCHECK 2 - -/** - * xmlRelaxNGPartitions: - * - * A RelaxNGs partition associated to an interleave group - */ -typedef struct _xmlRelaxNGPartition xmlRelaxNGPartition; -typedef xmlRelaxNGPartition *xmlRelaxNGPartitionPtr; -struct _xmlRelaxNGPartition { - int nbgroups; /* number of groups in the partitions */ - xmlHashTablePtr triage; /* hash table used to direct nodes to the - * right group when possible */ - int flags; /* determinist ? */ - xmlRelaxNGInterleaveGroupPtr *groups; -}; - -/** - * xmlRelaxNGValidState: - * - * A RelaxNGs validation state - */ -#define MAX_ATTR 20 -typedef struct _xmlRelaxNGValidState xmlRelaxNGValidState; -typedef xmlRelaxNGValidState *xmlRelaxNGValidStatePtr; -struct _xmlRelaxNGValidState { - xmlNodePtr node; /* the current node */ - xmlNodePtr seq; /* the sequence of children left to validate */ - int nbAttrs; /* the number of attributes */ - int maxAttrs; /* the size of attrs */ - int nbAttrLeft; /* the number of attributes left to validate */ - xmlChar *value; /* the value when operating on string */ - xmlChar *endvalue; /* the end value when operating on string */ - xmlAttrPtr *attrs; /* the array of attributes */ -}; - -/** - * xmlRelaxNGStates: - * - * A RelaxNGs container for validation state - */ -typedef struct _xmlRelaxNGStates xmlRelaxNGStates; -typedef xmlRelaxNGStates *xmlRelaxNGStatesPtr; -struct _xmlRelaxNGStates { - int nbState; /* the number of states */ - int maxState; /* the size of the array */ - xmlRelaxNGValidStatePtr *tabState; -}; - -#define ERROR_IS_DUP 1 - -/** - * xmlRelaxNGValidError: - * - * A RelaxNGs validation error - */ -typedef struct _xmlRelaxNGValidError xmlRelaxNGValidError; -typedef xmlRelaxNGValidError *xmlRelaxNGValidErrorPtr; -struct _xmlRelaxNGValidError { - xmlRelaxNGValidErr err; /* the error number */ - int flags; /* flags */ - xmlNodePtr node; /* the current node */ - xmlNodePtr seq; /* the current child */ - const xmlChar *arg1; /* first arg */ - const xmlChar *arg2; /* second arg */ -}; - -/** - * xmlRelaxNGValidCtxt: - * - * A RelaxNGs validation context - */ - -struct _xmlRelaxNGValidCtxt { - void *userData; /* user specific data block */ - xmlRelaxNGValidityErrorFunc error; /* the callback in case of errors */ - xmlRelaxNGValidityWarningFunc warning; /* the callback in case of warning */ - xmlStructuredErrorFunc serror; - int nbErrors; /* number of errors in validation */ - - xmlRelaxNGPtr schema; /* The schema in use */ - xmlDocPtr doc; /* the document being validated */ - int flags; /* validation flags */ - int depth; /* validation depth */ - int idref; /* requires idref checking */ - int errNo; /* the first error found */ - - /* - * Errors accumulated in branches may have to be stacked to be - * provided back when it's sure they affect validation. - */ - xmlRelaxNGValidErrorPtr err; /* Last error */ - int errNr; /* Depth of the error stack */ - int errMax; /* Max depth of the error stack */ - xmlRelaxNGValidErrorPtr errTab; /* stack of errors */ - - xmlRelaxNGValidStatePtr state; /* the current validation state */ - xmlRelaxNGStatesPtr states; /* the accumulated state list */ - - xmlRelaxNGStatesPtr freeState; /* the pool of free valid states */ - int freeStatesNr; - int freeStatesMax; - xmlRelaxNGStatesPtr *freeStates; /* the pool of free state groups */ - - /* - * This is used for "progressive" validation - */ - xmlRegExecCtxtPtr elem; /* the current element regexp */ - int elemNr; /* the number of element validated */ - int elemMax; /* the max depth of elements */ - xmlRegExecCtxtPtr *elemTab; /* the stack of regexp runtime */ - int pstate; /* progressive state */ - xmlNodePtr pnode; /* the current node */ - xmlRelaxNGDefinePtr pdef; /* the non-streamable definition */ - int perr; /* signal error in content model - * outside the regexp */ -}; - -/** - * xmlRelaxNGInclude: - * - * Structure associated to a RelaxNGs document element - */ -struct _xmlRelaxNGInclude { - xmlRelaxNGIncludePtr next; /* keep a chain of includes */ - xmlChar *href; /* the normalized href value */ - xmlDocPtr doc; /* the associated XML document */ - xmlRelaxNGDefinePtr content; /* the definitions */ - xmlRelaxNGPtr schema; /* the schema */ -}; - -/** - * xmlRelaxNGDocument: - * - * Structure associated to a RelaxNGs document element - */ -struct _xmlRelaxNGDocument { - xmlRelaxNGDocumentPtr next; /* keep a chain of documents */ - xmlChar *href; /* the normalized href value */ - xmlDocPtr doc; /* the associated XML document */ - xmlRelaxNGDefinePtr content; /* the definitions */ - xmlRelaxNGPtr schema; /* the schema */ - int externalRef; /* 1 if an external ref */ -}; - - -/************************************************************************ - * * - * Some factorized error routines * - * * - ************************************************************************/ - -/** - * xmlRngPErrMemory: - * @ctxt: an Relax-NG parser context - * @extra: extra informations - * - * Handle a redefinition of attribute error - */ -static void -xmlRngPErrMemory(xmlRelaxNGParserCtxtPtr ctxt, const char *extra) -{ - xmlStructuredErrorFunc schannel = NULL; - xmlGenericErrorFunc channel = NULL; - void *data = NULL; - - if (ctxt != NULL) { - if (ctxt->serror != NULL) - schannel = ctxt->serror; - else - channel = ctxt->error; - data = ctxt->userData; - ctxt->nbErrors++; - } - if (extra) - __xmlRaiseError(schannel, channel, data, - NULL, NULL, XML_FROM_RELAXNGP, - XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, extra, - NULL, NULL, 0, 0, - "Memory allocation failed : %s\n", extra); - else - __xmlRaiseError(schannel, channel, data, - NULL, NULL, XML_FROM_RELAXNGP, - XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, NULL, - NULL, NULL, 0, 0, "Memory allocation failed\n"); -} - -/** - * xmlRngVErrMemory: - * @ctxt: a Relax-NG validation context - * @extra: extra informations - * - * Handle a redefinition of attribute error - */ -static void -xmlRngVErrMemory(xmlRelaxNGValidCtxtPtr ctxt, const char *extra) -{ - xmlStructuredErrorFunc schannel = NULL; - xmlGenericErrorFunc channel = NULL; - void *data = NULL; - - if (ctxt != NULL) { - if (ctxt->serror != NULL) - schannel = ctxt->serror; - else - channel = ctxt->error; - data = ctxt->userData; - ctxt->nbErrors++; - } - if (extra) - __xmlRaiseError(schannel, channel, data, - NULL, NULL, XML_FROM_RELAXNGV, - XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, extra, - NULL, NULL, 0, 0, - "Memory allocation failed : %s\n", extra); - else - __xmlRaiseError(schannel, channel, data, - NULL, NULL, XML_FROM_RELAXNGV, - XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, NULL, - NULL, NULL, 0, 0, "Memory allocation failed\n"); -} - -/** - * xmlRngPErr: - * @ctxt: a Relax-NG parser context - * @node: the node raising the error - * @error: the error code - * @msg: message - * @str1: extra info - * @str2: extra info - * - * Handle a Relax NG Parsing error - */ -static void LIBXML_ATTR_FORMAT(4,0) -xmlRngPErr(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node, int error, - const char *msg, const xmlChar * str1, const xmlChar * str2) -{ - xmlStructuredErrorFunc schannel = NULL; - xmlGenericErrorFunc channel = NULL; - void *data = NULL; - - if (ctxt != NULL) { - if (ctxt->serror != NULL) - schannel = ctxt->serror; - else - channel = ctxt->error; - data = ctxt->userData; - ctxt->nbErrors++; - } - __xmlRaiseError(schannel, channel, data, - NULL, node, XML_FROM_RELAXNGP, - error, XML_ERR_ERROR, NULL, 0, - (const char *) str1, (const char *) str2, NULL, 0, 0, - msg, str1, str2); -} - -/** - * xmlRngVErr: - * @ctxt: a Relax-NG validation context - * @node: the node raising the error - * @error: the error code - * @msg: message - * @str1: extra info - * @str2: extra info - * - * Handle a Relax NG Validation error - */ -static void LIBXML_ATTR_FORMAT(4,0) -xmlRngVErr(xmlRelaxNGValidCtxtPtr ctxt, xmlNodePtr node, int error, - const char *msg, const xmlChar * str1, const xmlChar * str2) -{ - xmlStructuredErrorFunc schannel = NULL; - xmlGenericErrorFunc channel = NULL; - void *data = NULL; - - if (ctxt != NULL) { - if (ctxt->serror != NULL) - schannel = ctxt->serror; - else - channel = ctxt->error; - data = ctxt->userData; - ctxt->nbErrors++; - } - __xmlRaiseError(schannel, channel, data, - NULL, node, XML_FROM_RELAXNGV, - error, XML_ERR_ERROR, NULL, 0, - (const char *) str1, (const char *) str2, NULL, 0, 0, - msg, str1, str2); -} - -/************************************************************************ - * * - * Preliminary type checking interfaces * - * * - ************************************************************************/ - -/** - * xmlRelaxNGTypeHave: - * @data: data needed for the library - * @type: the type name - * @value: the value to check - * - * Function provided by a type library to check if a type is exported - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -typedef int (*xmlRelaxNGTypeHave) (void *data, const xmlChar * type); - -/** - * xmlRelaxNGTypeCheck: - * @data: data needed for the library - * @type: the type name - * @value: the value to check - * @result: place to store the result if needed - * - * Function provided by a type library to check if a value match a type - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -typedef int (*xmlRelaxNGTypeCheck) (void *data, const xmlChar * type, - const xmlChar * value, void **result, - xmlNodePtr node); - -/** - * xmlRelaxNGFacetCheck: - * @data: data needed for the library - * @type: the type name - * @facet: the facet name - * @val: the facet value - * @strval: the string value - * @value: the value to check - * - * Function provided by a type library to check a value facet - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -typedef int (*xmlRelaxNGFacetCheck) (void *data, const xmlChar * type, - const xmlChar * facet, - const xmlChar * val, - const xmlChar * strval, void *value); - -/** - * xmlRelaxNGTypeFree: - * @data: data needed for the library - * @result: the value to free - * - * Function provided by a type library to free a returned result - */ -typedef void (*xmlRelaxNGTypeFree) (void *data, void *result); - -/** - * xmlRelaxNGTypeCompare: - * @data: data needed for the library - * @type: the type name - * @value1: the first value - * @value2: the second value - * - * Function provided by a type library to compare two values accordingly - * to a type. - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -typedef int (*xmlRelaxNGTypeCompare) (void *data, const xmlChar * type, - const xmlChar * value1, - xmlNodePtr ctxt1, - void *comp1, - const xmlChar * value2, - xmlNodePtr ctxt2); -typedef struct _xmlRelaxNGTypeLibrary xmlRelaxNGTypeLibrary; -typedef xmlRelaxNGTypeLibrary *xmlRelaxNGTypeLibraryPtr; -struct _xmlRelaxNGTypeLibrary { - const xmlChar *namespace; /* the datatypeLibrary value */ - void *data; /* data needed for the library */ - xmlRelaxNGTypeHave have; /* the export function */ - xmlRelaxNGTypeCheck check; /* the checking function */ - xmlRelaxNGTypeCompare comp; /* the compare function */ - xmlRelaxNGFacetCheck facet; /* the facet check function */ - xmlRelaxNGTypeFree freef; /* the freeing function */ -}; - -/************************************************************************ - * * - * Allocation functions * - * * - ************************************************************************/ -static void xmlRelaxNGFreeGrammar(xmlRelaxNGGrammarPtr grammar); -static void xmlRelaxNGFreeDefine(xmlRelaxNGDefinePtr define); -static void xmlRelaxNGNormExtSpace(xmlChar * value); -static void xmlRelaxNGFreeInnerSchema(xmlRelaxNGPtr schema); -static int xmlRelaxNGEqualValidState(xmlRelaxNGValidCtxtPtr ctxt - ATTRIBUTE_UNUSED, - xmlRelaxNGValidStatePtr state1, - xmlRelaxNGValidStatePtr state2); -static void xmlRelaxNGFreeValidState(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGValidStatePtr state); - -/** - * xmlRelaxNGFreeDocument: - * @docu: a document structure - * - * Deallocate a RelaxNG document structure. - */ -static void -xmlRelaxNGFreeDocument(xmlRelaxNGDocumentPtr docu) -{ - if (docu == NULL) - return; - - if (docu->href != NULL) - xmlFree(docu->href); - if (docu->doc != NULL) - xmlFreeDoc(docu->doc); - if (docu->schema != NULL) - xmlRelaxNGFreeInnerSchema(docu->schema); - xmlFree(docu); -} - -/** - * xmlRelaxNGFreeDocumentList: - * @docu: a list of document structure - * - * Deallocate a RelaxNG document structures. - */ -static void -xmlRelaxNGFreeDocumentList(xmlRelaxNGDocumentPtr docu) -{ - xmlRelaxNGDocumentPtr next; - - while (docu != NULL) { - next = docu->next; - xmlRelaxNGFreeDocument(docu); - docu = next; - } -} - -/** - * xmlRelaxNGFreeInclude: - * @incl: a include structure - * - * Deallocate a RelaxNG include structure. - */ -static void -xmlRelaxNGFreeInclude(xmlRelaxNGIncludePtr incl) -{ - if (incl == NULL) - return; - - if (incl->href != NULL) - xmlFree(incl->href); - if (incl->doc != NULL) - xmlFreeDoc(incl->doc); - if (incl->schema != NULL) - xmlRelaxNGFree(incl->schema); - xmlFree(incl); -} - -/** - * xmlRelaxNGFreeIncludeList: - * @incl: a include structure list - * - * Deallocate a RelaxNG include structure. - */ -static void -xmlRelaxNGFreeIncludeList(xmlRelaxNGIncludePtr incl) -{ - xmlRelaxNGIncludePtr next; - - while (incl != NULL) { - next = incl->next; - xmlRelaxNGFreeInclude(incl); - incl = next; - } -} - -/** - * xmlRelaxNGNewRelaxNG: - * @ctxt: a Relax-NG validation context (optional) - * - * Allocate a new RelaxNG structure. - * - * Returns the newly allocated structure or NULL in case or error - */ -static xmlRelaxNGPtr -xmlRelaxNGNewRelaxNG(xmlRelaxNGParserCtxtPtr ctxt) -{ - xmlRelaxNGPtr ret; - - ret = (xmlRelaxNGPtr) xmlMalloc(sizeof(xmlRelaxNG)); - if (ret == NULL) { - xmlRngPErrMemory(ctxt, NULL); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNG)); - - return (ret); -} - -/** - * xmlRelaxNGFreeInnerSchema: - * @schema: a schema structure - * - * Deallocate a RelaxNG schema structure. - */ -static void -xmlRelaxNGFreeInnerSchema(xmlRelaxNGPtr schema) -{ - if (schema == NULL) - return; - - if (schema->doc != NULL) - xmlFreeDoc(schema->doc); - if (schema->defTab != NULL) { - int i; - - for (i = 0; i < schema->defNr; i++) - xmlRelaxNGFreeDefine(schema->defTab[i]); - xmlFree(schema->defTab); - } - - xmlFree(schema); -} - -/** - * xmlRelaxNGFree: - * @schema: a schema structure - * - * Deallocate a RelaxNG structure. - */ -void -xmlRelaxNGFree(xmlRelaxNGPtr schema) -{ - if (schema == NULL) - return; - - if (schema->topgrammar != NULL) - xmlRelaxNGFreeGrammar(schema->topgrammar); - if (schema->doc != NULL) - xmlFreeDoc(schema->doc); - if (schema->documents != NULL) - xmlRelaxNGFreeDocumentList(schema->documents); - if (schema->includes != NULL) - xmlRelaxNGFreeIncludeList(schema->includes); - if (schema->defTab != NULL) { - int i; - - for (i = 0; i < schema->defNr; i++) - xmlRelaxNGFreeDefine(schema->defTab[i]); - xmlFree(schema->defTab); - } - - xmlFree(schema); -} - -/** - * xmlRelaxNGNewGrammar: - * @ctxt: a Relax-NG validation context (optional) - * - * Allocate a new RelaxNG grammar. - * - * Returns the newly allocated structure or NULL in case or error - */ -static xmlRelaxNGGrammarPtr -xmlRelaxNGNewGrammar(xmlRelaxNGParserCtxtPtr ctxt) -{ - xmlRelaxNGGrammarPtr ret; - - ret = (xmlRelaxNGGrammarPtr) xmlMalloc(sizeof(xmlRelaxNGGrammar)); - if (ret == NULL) { - xmlRngPErrMemory(ctxt, NULL); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNGGrammar)); - - return (ret); -} - -/** - * xmlRelaxNGFreeGrammar: - * @grammar: a grammar structure - * - * Deallocate a RelaxNG grammar structure. - */ -static void -xmlRelaxNGFreeGrammar(xmlRelaxNGGrammarPtr grammar) -{ - if (grammar == NULL) - return; - - if (grammar->children != NULL) { - xmlRelaxNGFreeGrammar(grammar->children); - } - if (grammar->next != NULL) { - xmlRelaxNGFreeGrammar(grammar->next); - } - if (grammar->refs != NULL) { - xmlHashFree(grammar->refs, NULL); - } - if (grammar->defs != NULL) { - xmlHashFree(grammar->defs, NULL); - } - - xmlFree(grammar); -} - -/** - * xmlRelaxNGNewDefine: - * @ctxt: a Relax-NG validation context - * @node: the node in the input document. - * - * Allocate a new RelaxNG define. - * - * Returns the newly allocated structure or NULL in case or error - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGNewDefine(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGDefinePtr ret; - - if (ctxt->defMax == 0) { - ctxt->defMax = 16; - ctxt->defNr = 0; - ctxt->defTab = (xmlRelaxNGDefinePtr *) - xmlMalloc(ctxt->defMax * sizeof(xmlRelaxNGDefinePtr)); - if (ctxt->defTab == NULL) { - xmlRngPErrMemory(ctxt, "allocating define\n"); - return (NULL); - } - } else if (ctxt->defMax <= ctxt->defNr) { - xmlRelaxNGDefinePtr *tmp; - - ctxt->defMax *= 2; - tmp = (xmlRelaxNGDefinePtr *) xmlRealloc(ctxt->defTab, - ctxt->defMax * - sizeof - (xmlRelaxNGDefinePtr)); - if (tmp == NULL) { - xmlRngPErrMemory(ctxt, "allocating define\n"); - return (NULL); - } - ctxt->defTab = tmp; - } - ret = (xmlRelaxNGDefinePtr) xmlMalloc(sizeof(xmlRelaxNGDefine)); - if (ret == NULL) { - xmlRngPErrMemory(ctxt, "allocating define\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNGDefine)); - ctxt->defTab[ctxt->defNr++] = ret; - ret->node = node; - ret->depth = -1; - return (ret); -} - -/** - * xmlRelaxNGFreePartition: - * @partitions: a partition set structure - * - * Deallocate RelaxNG partition set structures. - */ -static void -xmlRelaxNGFreePartition(xmlRelaxNGPartitionPtr partitions) -{ - xmlRelaxNGInterleaveGroupPtr group; - int j; - - if (partitions != NULL) { - if (partitions->groups != NULL) { - for (j = 0; j < partitions->nbgroups; j++) { - group = partitions->groups[j]; - if (group != NULL) { - if (group->defs != NULL) - xmlFree(group->defs); - if (group->attrs != NULL) - xmlFree(group->attrs); - xmlFree(group); - } - } - xmlFree(partitions->groups); - } - if (partitions->triage != NULL) { - xmlHashFree(partitions->triage, NULL); - } - xmlFree(partitions); - } -} - -/** - * xmlRelaxNGFreeDefine: - * @define: a define structure - * - * Deallocate a RelaxNG define structure. - */ -static void -xmlRelaxNGFreeDefine(xmlRelaxNGDefinePtr define) -{ - if (define == NULL) - return; - - if ((define->type == XML_RELAXNG_VALUE) && (define->attrs != NULL)) { - xmlRelaxNGTypeLibraryPtr lib; - - lib = (xmlRelaxNGTypeLibraryPtr) define->data; - if ((lib != NULL) && (lib->freef != NULL)) - lib->freef(lib->data, (void *) define->attrs); - } - if ((define->data != NULL) && (define->type == XML_RELAXNG_INTERLEAVE)) - xmlRelaxNGFreePartition((xmlRelaxNGPartitionPtr) define->data); - if ((define->data != NULL) && (define->type == XML_RELAXNG_CHOICE)) - xmlHashFree((xmlHashTablePtr) define->data, NULL); - if (define->name != NULL) - xmlFree(define->name); - if (define->ns != NULL) - xmlFree(define->ns); - if (define->value != NULL) - xmlFree(define->value); - if (define->contModel != NULL) - xmlRegFreeRegexp(define->contModel); - xmlFree(define); -} - -/** - * xmlRelaxNGNewStates: - * @ctxt: a Relax-NG validation context - * @size: the default size for the container - * - * Allocate a new RelaxNG validation state container - * - * Returns the newly allocated structure or NULL in case or error - */ -static xmlRelaxNGStatesPtr -xmlRelaxNGNewStates(xmlRelaxNGValidCtxtPtr ctxt, int size) -{ - xmlRelaxNGStatesPtr ret; - - if ((ctxt != NULL) && - (ctxt->freeStates != NULL) && (ctxt->freeStatesNr > 0)) { - ctxt->freeStatesNr--; - ret = ctxt->freeStates[ctxt->freeStatesNr]; - ret->nbState = 0; - return (ret); - } - if (size < 16) - size = 16; - - ret = (xmlRelaxNGStatesPtr) xmlMalloc(sizeof(xmlRelaxNGStates) + - (size - - 1) * - sizeof(xmlRelaxNGValidStatePtr)); - if (ret == NULL) { - xmlRngVErrMemory(ctxt, "allocating states\n"); - return (NULL); - } - ret->nbState = 0; - ret->maxState = size; - ret->tabState = (xmlRelaxNGValidStatePtr *) xmlMalloc((size) * - sizeof - (xmlRelaxNGValidStatePtr)); - if (ret->tabState == NULL) { - xmlRngVErrMemory(ctxt, "allocating states\n"); - xmlFree(ret); - return (NULL); - } - return (ret); -} - -/** - * xmlRelaxNGAddStateUniq: - * @ctxt: a Relax-NG validation context - * @states: the states container - * @state: the validation state - * - * Add a RelaxNG validation state to the container without checking - * for unicity. - * - * Return 1 in case of success and 0 if this is a duplicate and -1 on error - */ -static int -xmlRelaxNGAddStatesUniq(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGStatesPtr states, - xmlRelaxNGValidStatePtr state) -{ - if (state == NULL) { - return (-1); - } - if (states->nbState >= states->maxState) { - xmlRelaxNGValidStatePtr *tmp; - int size; - - size = states->maxState * 2; - tmp = (xmlRelaxNGValidStatePtr *) xmlRealloc(states->tabState, - (size) * - sizeof - (xmlRelaxNGValidStatePtr)); - if (tmp == NULL) { - xmlRngVErrMemory(ctxt, "adding states\n"); - return (-1); - } - states->tabState = tmp; - states->maxState = size; - } - states->tabState[states->nbState++] = state; - return (1); -} - -/** - * xmlRelaxNGAddState: - * @ctxt: a Relax-NG validation context - * @states: the states container - * @state: the validation state - * - * Add a RelaxNG validation state to the container - * - * Return 1 in case of success and 0 if this is a duplicate and -1 on error - */ -static int -xmlRelaxNGAddStates(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGStatesPtr states, - xmlRelaxNGValidStatePtr state) -{ - int i; - - if (state == NULL || states == NULL) { - return (-1); - } - if (states->nbState >= states->maxState) { - xmlRelaxNGValidStatePtr *tmp; - int size; - - size = states->maxState * 2; - tmp = (xmlRelaxNGValidStatePtr *) xmlRealloc(states->tabState, - (size) * - sizeof - (xmlRelaxNGValidStatePtr)); - if (tmp == NULL) { - xmlRngVErrMemory(ctxt, "adding states\n"); - return (-1); - } - states->tabState = tmp; - states->maxState = size; - } - for (i = 0; i < states->nbState; i++) { - if (xmlRelaxNGEqualValidState(ctxt, state, states->tabState[i])) { - xmlRelaxNGFreeValidState(ctxt, state); - return (0); - } - } - states->tabState[states->nbState++] = state; - return (1); -} - -/** - * xmlRelaxNGFreeStates: - * @ctxt: a Relax-NG validation context - * @states: teh container - * - * Free a RelaxNG validation state container - */ -static void -xmlRelaxNGFreeStates(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGStatesPtr states) -{ - if (states == NULL) - return; - if ((ctxt != NULL) && (ctxt->freeStates == NULL)) { - ctxt->freeStatesMax = 40; - ctxt->freeStatesNr = 0; - ctxt->freeStates = (xmlRelaxNGStatesPtr *) - xmlMalloc(ctxt->freeStatesMax * sizeof(xmlRelaxNGStatesPtr)); - if (ctxt->freeStates == NULL) { - xmlRngVErrMemory(ctxt, "storing states\n"); - } - } else if ((ctxt != NULL) - && (ctxt->freeStatesNr >= ctxt->freeStatesMax)) { - xmlRelaxNGStatesPtr *tmp; - - tmp = (xmlRelaxNGStatesPtr *) xmlRealloc(ctxt->freeStates, - 2 * ctxt->freeStatesMax * - sizeof - (xmlRelaxNGStatesPtr)); - if (tmp == NULL) { - xmlRngVErrMemory(ctxt, "storing states\n"); - xmlFree(states->tabState); - xmlFree(states); - return; - } - ctxt->freeStates = tmp; - ctxt->freeStatesMax *= 2; - } - if ((ctxt == NULL) || (ctxt->freeStates == NULL)) { - xmlFree(states->tabState); - xmlFree(states); - } else { - ctxt->freeStates[ctxt->freeStatesNr++] = states; - } -} - -/** - * xmlRelaxNGNewValidState: - * @ctxt: a Relax-NG validation context - * @node: the current node or NULL for the document - * - * Allocate a new RelaxNG validation state - * - * Returns the newly allocated structure or NULL in case or error - */ -static xmlRelaxNGValidStatePtr -xmlRelaxNGNewValidState(xmlRelaxNGValidCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGValidStatePtr ret; - xmlAttrPtr attr; - xmlAttrPtr attrs[MAX_ATTR]; - int nbAttrs = 0; - xmlNodePtr root = NULL; - - if (node == NULL) { - root = xmlDocGetRootElement(ctxt->doc); - if (root == NULL) - return (NULL); - } else { - attr = node->properties; - while (attr != NULL) { - if (nbAttrs < MAX_ATTR) - attrs[nbAttrs++] = attr; - else - nbAttrs++; - attr = attr->next; - } - } - if ((ctxt->freeState != NULL) && (ctxt->freeState->nbState > 0)) { - ctxt->freeState->nbState--; - ret = ctxt->freeState->tabState[ctxt->freeState->nbState]; - } else { - ret = - (xmlRelaxNGValidStatePtr) - xmlMalloc(sizeof(xmlRelaxNGValidState)); - if (ret == NULL) { - xmlRngVErrMemory(ctxt, "allocating states\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNGValidState)); - } - ret->value = NULL; - ret->endvalue = NULL; - if (node == NULL) { - ret->node = (xmlNodePtr) ctxt->doc; - ret->seq = root; - } else { - ret->node = node; - ret->seq = node->children; - } - ret->nbAttrs = 0; - if (nbAttrs > 0) { - if (ret->attrs == NULL) { - if (nbAttrs < 4) - ret->maxAttrs = 4; - else - ret->maxAttrs = nbAttrs; - ret->attrs = (xmlAttrPtr *) xmlMalloc(ret->maxAttrs * - sizeof(xmlAttrPtr)); - if (ret->attrs == NULL) { - xmlRngVErrMemory(ctxt, "allocating states\n"); - return (ret); - } - } else if (ret->maxAttrs < nbAttrs) { - xmlAttrPtr *tmp; - - tmp = (xmlAttrPtr *) xmlRealloc(ret->attrs, nbAttrs * - sizeof(xmlAttrPtr)); - if (tmp == NULL) { - xmlRngVErrMemory(ctxt, "allocating states\n"); - return (ret); - } - ret->attrs = tmp; - ret->maxAttrs = nbAttrs; - } - ret->nbAttrs = nbAttrs; - if (nbAttrs < MAX_ATTR) { - memcpy(ret->attrs, attrs, sizeof(xmlAttrPtr) * nbAttrs); - } else { - attr = node->properties; - nbAttrs = 0; - while (attr != NULL) { - ret->attrs[nbAttrs++] = attr; - attr = attr->next; - } - } - } - ret->nbAttrLeft = ret->nbAttrs; - return (ret); -} - -/** - * xmlRelaxNGCopyValidState: - * @ctxt: a Relax-NG validation context - * @state: a validation state - * - * Copy the validation state - * - * Returns the newly allocated structure or NULL in case or error - */ -static xmlRelaxNGValidStatePtr -xmlRelaxNGCopyValidState(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGValidStatePtr state) -{ - xmlRelaxNGValidStatePtr ret; - unsigned int maxAttrs; - xmlAttrPtr *attrs; - - if (state == NULL) - return (NULL); - if ((ctxt->freeState != NULL) && (ctxt->freeState->nbState > 0)) { - ctxt->freeState->nbState--; - ret = ctxt->freeState->tabState[ctxt->freeState->nbState]; - } else { - ret = - (xmlRelaxNGValidStatePtr) - xmlMalloc(sizeof(xmlRelaxNGValidState)); - if (ret == NULL) { - xmlRngVErrMemory(ctxt, "allocating states\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNGValidState)); - } - attrs = ret->attrs; - maxAttrs = ret->maxAttrs; - memcpy(ret, state, sizeof(xmlRelaxNGValidState)); - ret->attrs = attrs; - ret->maxAttrs = maxAttrs; - if (state->nbAttrs > 0) { - if (ret->attrs == NULL) { - ret->maxAttrs = state->maxAttrs; - ret->attrs = (xmlAttrPtr *) xmlMalloc(ret->maxAttrs * - sizeof(xmlAttrPtr)); - if (ret->attrs == NULL) { - xmlRngVErrMemory(ctxt, "allocating states\n"); - ret->nbAttrs = 0; - return (ret); - } - } else if (ret->maxAttrs < state->nbAttrs) { - xmlAttrPtr *tmp; - - tmp = (xmlAttrPtr *) xmlRealloc(ret->attrs, state->maxAttrs * - sizeof(xmlAttrPtr)); - if (tmp == NULL) { - xmlRngVErrMemory(ctxt, "allocating states\n"); - ret->nbAttrs = 0; - return (ret); - } - ret->maxAttrs = state->maxAttrs; - ret->attrs = tmp; - } - memcpy(ret->attrs, state->attrs, - state->nbAttrs * sizeof(xmlAttrPtr)); - } - return (ret); -} - -/** - * xmlRelaxNGEqualValidState: - * @ctxt: a Relax-NG validation context - * @state1: a validation state - * @state2: a validation state - * - * Compare the validation states for equality - * - * Returns 1 if equald, 0 otherwise - */ -static int -xmlRelaxNGEqualValidState(xmlRelaxNGValidCtxtPtr ctxt ATTRIBUTE_UNUSED, - xmlRelaxNGValidStatePtr state1, - xmlRelaxNGValidStatePtr state2) -{ - int i; - - if ((state1 == NULL) || (state2 == NULL)) - return (0); - if (state1 == state2) - return (1); - if (state1->node != state2->node) - return (0); - if (state1->seq != state2->seq) - return (0); - if (state1->nbAttrLeft != state2->nbAttrLeft) - return (0); - if (state1->nbAttrs != state2->nbAttrs) - return (0); - if (state1->endvalue != state2->endvalue) - return (0); - if ((state1->value != state2->value) && - (!xmlStrEqual(state1->value, state2->value))) - return (0); - for (i = 0; i < state1->nbAttrs; i++) { - if (state1->attrs[i] != state2->attrs[i]) - return (0); - } - return (1); -} - -/** - * xmlRelaxNGFreeValidState: - * @state: a validation state structure - * - * Deallocate a RelaxNG validation state structure. - */ -static void -xmlRelaxNGFreeValidState(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGValidStatePtr state) -{ - if (state == NULL) - return; - - if ((ctxt != NULL) && (ctxt->freeState == NULL)) { - ctxt->freeState = xmlRelaxNGNewStates(ctxt, 40); - } - if ((ctxt == NULL) || (ctxt->freeState == NULL)) { - if (state->attrs != NULL) - xmlFree(state->attrs); - xmlFree(state); - } else { - xmlRelaxNGAddStatesUniq(ctxt, ctxt->freeState, state); - } -} - -/************************************************************************ - * * - * Semi internal functions * - * * - ************************************************************************/ - -/** - * xmlRelaxParserSetFlag: - * @ctxt: a RelaxNG parser context - * @flags: a set of flags values - * - * Semi private function used to pass informations to a parser context - * which are a combination of xmlRelaxNGParserFlag . - * - * Returns 0 if success and -1 in case of error - */ -int -xmlRelaxParserSetFlag(xmlRelaxNGParserCtxtPtr ctxt, int flags) -{ - if (ctxt == NULL) return(-1); - if (flags & XML_RELAXNGP_FREE_DOC) { - ctxt->crng |= XML_RELAXNGP_FREE_DOC; - flags -= XML_RELAXNGP_FREE_DOC; - } - if (flags & XML_RELAXNGP_CRNG) { - ctxt->crng |= XML_RELAXNGP_CRNG; - flags -= XML_RELAXNGP_CRNG; - } - if (flags != 0) return(-1); - return(0); -} - -/************************************************************************ - * * - * Document functions * - * * - ************************************************************************/ -static xmlDocPtr xmlRelaxNGCleanupDoc(xmlRelaxNGParserCtxtPtr ctxt, - xmlDocPtr doc); - -/** - * xmlRelaxNGIncludePush: - * @ctxt: the parser context - * @value: the element doc - * - * Pushes a new include on top of the include stack - * - * Returns 0 in case of error, the index in the stack otherwise - */ -static int -xmlRelaxNGIncludePush(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGIncludePtr value) -{ - if (ctxt->incTab == NULL) { - ctxt->incMax = 4; - ctxt->incNr = 0; - ctxt->incTab = - (xmlRelaxNGIncludePtr *) xmlMalloc(ctxt->incMax * - sizeof(ctxt->incTab[0])); - if (ctxt->incTab == NULL) { - xmlRngPErrMemory(ctxt, "allocating include\n"); - return (0); - } - } - if (ctxt->incNr >= ctxt->incMax) { - ctxt->incMax *= 2; - ctxt->incTab = - (xmlRelaxNGIncludePtr *) xmlRealloc(ctxt->incTab, - ctxt->incMax * - sizeof(ctxt->incTab[0])); - if (ctxt->incTab == NULL) { - xmlRngPErrMemory(ctxt, "allocating include\n"); - return (0); - } - } - ctxt->incTab[ctxt->incNr] = value; - ctxt->inc = value; - return (ctxt->incNr++); -} - -/** - * xmlRelaxNGIncludePop: - * @ctxt: the parser context - * - * Pops the top include from the include stack - * - * Returns the include just removed - */ -static xmlRelaxNGIncludePtr -xmlRelaxNGIncludePop(xmlRelaxNGParserCtxtPtr ctxt) -{ - xmlRelaxNGIncludePtr ret; - - if (ctxt->incNr <= 0) - return (NULL); - ctxt->incNr--; - if (ctxt->incNr > 0) - ctxt->inc = ctxt->incTab[ctxt->incNr - 1]; - else - ctxt->inc = NULL; - ret = ctxt->incTab[ctxt->incNr]; - ctxt->incTab[ctxt->incNr] = NULL; - return (ret); -} - -/** - * xmlRelaxNGRemoveRedefine: - * @ctxt: the parser context - * @URL: the normalized URL - * @target: the included target - * @name: the define name to eliminate - * - * Applies the elimination algorithm of 4.7 - * - * Returns 0 in case of error, 1 in case of success. - */ -static int -xmlRelaxNGRemoveRedefine(xmlRelaxNGParserCtxtPtr ctxt, - const xmlChar * URL ATTRIBUTE_UNUSED, - xmlNodePtr target, const xmlChar * name) -{ - int found = 0; - xmlNodePtr tmp, tmp2; - xmlChar *name2; - -#ifdef DEBUG_INCLUDE - if (name == NULL) - xmlGenericError(xmlGenericErrorContext, - "Elimination of start from %s\n", URL); - else - xmlGenericError(xmlGenericErrorContext, - "Elimination of define %s from %s\n", - name, URL); -#endif - tmp = target; - while (tmp != NULL) { - tmp2 = tmp->next; - if ((name == NULL) && (IS_RELAXNG(tmp, "start"))) { - found = 1; - xmlUnlinkNode(tmp); - xmlFreeNode(tmp); - } else if ((name != NULL) && (IS_RELAXNG(tmp, "define"))) { - name2 = xmlGetProp(tmp, BAD_CAST "name"); - xmlRelaxNGNormExtSpace(name2); - if (name2 != NULL) { - if (xmlStrEqual(name, name2)) { - found = 1; - xmlUnlinkNode(tmp); - xmlFreeNode(tmp); - } - xmlFree(name2); - } - } else if (IS_RELAXNG(tmp, "include")) { - xmlChar *href = NULL; - xmlRelaxNGDocumentPtr inc = tmp->psvi; - - if ((inc != NULL) && (inc->doc != NULL) && - (inc->doc->children != NULL)) { - - if (xmlStrEqual - (inc->doc->children->name, BAD_CAST "grammar")) { -#ifdef DEBUG_INCLUDE - href = xmlGetProp(tmp, BAD_CAST "href"); -#endif - if (xmlRelaxNGRemoveRedefine(ctxt, href, - xmlDocGetRootElement(inc->doc)->children, - name) == 1) { - found = 1; - } -#ifdef DEBUG_INCLUDE - if (href != NULL) - xmlFree(href); -#endif - } - } - } - tmp = tmp2; - } - return (found); -} - -/** - * xmlRelaxNGLoadInclude: - * @ctxt: the parser context - * @URL: the normalized URL - * @node: the include node. - * @ns: the namespace passed from the context. - * - * First lookup if the document is already loaded into the parser context, - * check against recursion. If not found the resource is loaded and - * the content is preprocessed before being returned back to the caller. - * - * Returns the xmlRelaxNGIncludePtr or NULL in case of error - */ -static xmlRelaxNGIncludePtr -xmlRelaxNGLoadInclude(xmlRelaxNGParserCtxtPtr ctxt, const xmlChar * URL, - xmlNodePtr node, const xmlChar * ns) -{ - xmlRelaxNGIncludePtr ret = NULL; - xmlDocPtr doc; - int i; - xmlNodePtr root, cur; - -#ifdef DEBUG_INCLUDE - xmlGenericError(xmlGenericErrorContext, - "xmlRelaxNGLoadInclude(%s)\n", URL); -#endif - - /* - * check against recursion in the stack - */ - for (i = 0; i < ctxt->incNr; i++) { - if (xmlStrEqual(ctxt->incTab[i]->href, URL)) { - xmlRngPErr(ctxt, NULL, XML_RNGP_INCLUDE_RECURSE, - "Detected an Include recursion for %s\n", URL, - NULL); - return (NULL); - } - } - - /* - * load the document - */ - doc = xmlReadFile((const char *) URL,NULL,0); - if (doc == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_PARSE_ERROR, - "xmlRelaxNG: could not load %s\n", URL, NULL); - return (NULL); - } -#ifdef DEBUG_INCLUDE - xmlGenericError(xmlGenericErrorContext, "Parsed %s Okay\n", URL); -#endif - - /* - * Allocate the document structures and register it first. - */ - ret = (xmlRelaxNGIncludePtr) xmlMalloc(sizeof(xmlRelaxNGInclude)); - if (ret == NULL) { - xmlRngPErrMemory(ctxt, "allocating include\n"); - xmlFreeDoc(doc); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNGInclude)); - ret->doc = doc; - ret->href = xmlStrdup(URL); - ret->next = ctxt->includes; - ctxt->includes = ret; - - /* - * transmit the ns if needed - */ - if (ns != NULL) { - root = xmlDocGetRootElement(doc); - if (root != NULL) { - if (xmlHasProp(root, BAD_CAST "ns") == NULL) { - xmlSetProp(root, BAD_CAST "ns", ns); - } - } - } - - /* - * push it on the stack - */ - xmlRelaxNGIncludePush(ctxt, ret); - - /* - * Some preprocessing of the document content, this include recursing - * in the include stack. - */ -#ifdef DEBUG_INCLUDE - xmlGenericError(xmlGenericErrorContext, "cleanup of %s\n", URL); -#endif - - doc = xmlRelaxNGCleanupDoc(ctxt, doc); - if (doc == NULL) { - ctxt->inc = NULL; - return (NULL); - } - - /* - * Pop up the include from the stack - */ - xmlRelaxNGIncludePop(ctxt); - -#ifdef DEBUG_INCLUDE - xmlGenericError(xmlGenericErrorContext, "Checking of %s\n", URL); -#endif - /* - * Check that the top element is a grammar - */ - root = xmlDocGetRootElement(doc); - if (root == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EMPTY, - "xmlRelaxNG: included document is empty %s\n", URL, - NULL); - return (NULL); - } - if (!IS_RELAXNG(root, "grammar")) { - xmlRngPErr(ctxt, node, XML_RNGP_GRAMMAR_MISSING, - "xmlRelaxNG: included document %s root is not a grammar\n", - URL, NULL); - return (NULL); - } - - /* - * Elimination of redefined rules in the include. - */ - cur = node->children; - while (cur != NULL) { - if (IS_RELAXNG(cur, "start")) { - int found = 0; - - found = - xmlRelaxNGRemoveRedefine(ctxt, URL, root->children, NULL); - if (!found) { - xmlRngPErr(ctxt, node, XML_RNGP_START_MISSING, - "xmlRelaxNG: include %s has a start but not the included grammar\n", - URL, NULL); - } - } else if (IS_RELAXNG(cur, "define")) { - xmlChar *name; - - name = xmlGetProp(cur, BAD_CAST "name"); - if (name == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_NAME_MISSING, - "xmlRelaxNG: include %s has define without name\n", - URL, NULL); - } else { - int found; - - xmlRelaxNGNormExtSpace(name); - found = xmlRelaxNGRemoveRedefine(ctxt, URL, - root->children, name); - if (!found) { - xmlRngPErr(ctxt, node, XML_RNGP_DEFINE_MISSING, - "xmlRelaxNG: include %s has a define %s but not the included grammar\n", - URL, name); - } - xmlFree(name); - } - } - cur = cur->next; - } - - - return (ret); -} - -/** - * xmlRelaxNGValidErrorPush: - * @ctxt: the validation context - * @err: the error code - * @arg1: the first string argument - * @arg2: the second string argument - * @dup: arg need to be duplicated - * - * Pushes a new error on top of the error stack - * - * Returns 0 in case of error, the index in the stack otherwise - */ -static int -xmlRelaxNGValidErrorPush(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGValidErr err, const xmlChar * arg1, - const xmlChar * arg2, int dup) -{ - xmlRelaxNGValidErrorPtr cur; - -#ifdef DEBUG_ERROR - xmlGenericError(xmlGenericErrorContext, - "Pushing error %d at %d on stack\n", err, ctxt->errNr); -#endif - if (ctxt->errTab == NULL) { - ctxt->errMax = 8; - ctxt->errNr = 0; - ctxt->errTab = - (xmlRelaxNGValidErrorPtr) xmlMalloc(ctxt->errMax * - sizeof - (xmlRelaxNGValidError)); - if (ctxt->errTab == NULL) { - xmlRngVErrMemory(ctxt, "pushing error\n"); - return (0); - } - ctxt->err = NULL; - } - if (ctxt->errNr >= ctxt->errMax) { - ctxt->errMax *= 2; - ctxt->errTab = - (xmlRelaxNGValidErrorPtr) xmlRealloc(ctxt->errTab, - ctxt->errMax * - sizeof - (xmlRelaxNGValidError)); - if (ctxt->errTab == NULL) { - xmlRngVErrMemory(ctxt, "pushing error\n"); - return (0); - } - ctxt->err = &ctxt->errTab[ctxt->errNr - 1]; - } - if ((ctxt->err != NULL) && (ctxt->state != NULL) && - (ctxt->err->node == ctxt->state->node) && (ctxt->err->err == err)) - return (ctxt->errNr); - cur = &ctxt->errTab[ctxt->errNr]; - cur->err = err; - if (dup) { - cur->arg1 = xmlStrdup(arg1); - cur->arg2 = xmlStrdup(arg2); - cur->flags = ERROR_IS_DUP; - } else { - cur->arg1 = arg1; - cur->arg2 = arg2; - cur->flags = 0; - } - if (ctxt->state != NULL) { - cur->node = ctxt->state->node; - cur->seq = ctxt->state->seq; - } else { - cur->node = NULL; - cur->seq = NULL; - } - ctxt->err = cur; - return (ctxt->errNr++); -} - -/** - * xmlRelaxNGValidErrorPop: - * @ctxt: the validation context - * - * Pops the top error from the error stack - */ -static void -xmlRelaxNGValidErrorPop(xmlRelaxNGValidCtxtPtr ctxt) -{ - xmlRelaxNGValidErrorPtr cur; - - if (ctxt->errNr <= 0) { - ctxt->err = NULL; - return; - } - ctxt->errNr--; - if (ctxt->errNr > 0) - ctxt->err = &ctxt->errTab[ctxt->errNr - 1]; - else - ctxt->err = NULL; - cur = &ctxt->errTab[ctxt->errNr]; - if (cur->flags & ERROR_IS_DUP) { - if (cur->arg1 != NULL) - xmlFree((xmlChar *) cur->arg1); - cur->arg1 = NULL; - if (cur->arg2 != NULL) - xmlFree((xmlChar *) cur->arg2); - cur->arg2 = NULL; - cur->flags = 0; - } -} - -/** - * xmlRelaxNGDocumentPush: - * @ctxt: the parser context - * @value: the element doc - * - * Pushes a new doc on top of the doc stack - * - * Returns 0 in case of error, the index in the stack otherwise - */ -static int -xmlRelaxNGDocumentPush(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGDocumentPtr value) -{ - if (ctxt->docTab == NULL) { - ctxt->docMax = 4; - ctxt->docNr = 0; - ctxt->docTab = - (xmlRelaxNGDocumentPtr *) xmlMalloc(ctxt->docMax * - sizeof(ctxt->docTab[0])); - if (ctxt->docTab == NULL) { - xmlRngPErrMemory(ctxt, "adding document\n"); - return (0); - } - } - if (ctxt->docNr >= ctxt->docMax) { - ctxt->docMax *= 2; - ctxt->docTab = - (xmlRelaxNGDocumentPtr *) xmlRealloc(ctxt->docTab, - ctxt->docMax * - sizeof(ctxt->docTab[0])); - if (ctxt->docTab == NULL) { - xmlRngPErrMemory(ctxt, "adding document\n"); - return (0); - } - } - ctxt->docTab[ctxt->docNr] = value; - ctxt->doc = value; - return (ctxt->docNr++); -} - -/** - * xmlRelaxNGDocumentPop: - * @ctxt: the parser context - * - * Pops the top doc from the doc stack - * - * Returns the doc just removed - */ -static xmlRelaxNGDocumentPtr -xmlRelaxNGDocumentPop(xmlRelaxNGParserCtxtPtr ctxt) -{ - xmlRelaxNGDocumentPtr ret; - - if (ctxt->docNr <= 0) - return (NULL); - ctxt->docNr--; - if (ctxt->docNr > 0) - ctxt->doc = ctxt->docTab[ctxt->docNr - 1]; - else - ctxt->doc = NULL; - ret = ctxt->docTab[ctxt->docNr]; - ctxt->docTab[ctxt->docNr] = NULL; - return (ret); -} - -/** - * xmlRelaxNGLoadExternalRef: - * @ctxt: the parser context - * @URL: the normalized URL - * @ns: the inherited ns if any - * - * First lookup if the document is already loaded into the parser context, - * check against recursion. If not found the resource is loaded and - * the content is preprocessed before being returned back to the caller. - * - * Returns the xmlRelaxNGDocumentPtr or NULL in case of error - */ -static xmlRelaxNGDocumentPtr -xmlRelaxNGLoadExternalRef(xmlRelaxNGParserCtxtPtr ctxt, - const xmlChar * URL, const xmlChar * ns) -{ - xmlRelaxNGDocumentPtr ret = NULL; - xmlDocPtr doc; - xmlNodePtr root; - int i; - - /* - * check against recursion in the stack - */ - for (i = 0; i < ctxt->docNr; i++) { - if (xmlStrEqual(ctxt->docTab[i]->href, URL)) { - xmlRngPErr(ctxt, NULL, XML_RNGP_EXTERNALREF_RECURSE, - "Detected an externalRef recursion for %s\n", URL, - NULL); - return (NULL); - } - } - - /* - * load the document - */ - doc = xmlReadFile((const char *) URL,NULL,0); - if (doc == NULL) { - xmlRngPErr(ctxt, NULL, XML_RNGP_PARSE_ERROR, - "xmlRelaxNG: could not load %s\n", URL, NULL); - return (NULL); - } - - /* - * Allocate the document structures and register it first. - */ - ret = (xmlRelaxNGDocumentPtr) xmlMalloc(sizeof(xmlRelaxNGDocument)); - if (ret == NULL) { - xmlRngPErr(ctxt, (xmlNodePtr) doc, XML_ERR_NO_MEMORY, - "xmlRelaxNG: allocate memory for doc %s\n", URL, NULL); - xmlFreeDoc(doc); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNGDocument)); - ret->doc = doc; - ret->href = xmlStrdup(URL); - ret->next = ctxt->documents; - ret->externalRef = 1; - ctxt->documents = ret; - - /* - * transmit the ns if needed - */ - if (ns != NULL) { - root = xmlDocGetRootElement(doc); - if (root != NULL) { - if (xmlHasProp(root, BAD_CAST "ns") == NULL) { - xmlSetProp(root, BAD_CAST "ns", ns); - } - } - } - - /* - * push it on the stack and register it in the hash table - */ - xmlRelaxNGDocumentPush(ctxt, ret); - - /* - * Some preprocessing of the document content - */ - doc = xmlRelaxNGCleanupDoc(ctxt, doc); - if (doc == NULL) { - ctxt->doc = NULL; - return (NULL); - } - - xmlRelaxNGDocumentPop(ctxt); - - return (ret); -} - -/************************************************************************ - * * - * Error functions * - * * - ************************************************************************/ - -#define VALID_ERR(a) xmlRelaxNGAddValidError(ctxt, a, NULL, NULL, 0); -#define VALID_ERR2(a, b) xmlRelaxNGAddValidError(ctxt, a, b, NULL, 0); -#define VALID_ERR3(a, b, c) xmlRelaxNGAddValidError(ctxt, a, b, c, 0); -#define VALID_ERR2P(a, b) xmlRelaxNGAddValidError(ctxt, a, b, NULL, 1); -#define VALID_ERR3P(a, b, c) xmlRelaxNGAddValidError(ctxt, a, b, c, 1); - -static const char * -xmlRelaxNGDefName(xmlRelaxNGDefinePtr def) -{ - if (def == NULL) - return ("none"); - switch (def->type) { - case XML_RELAXNG_EMPTY: - return ("empty"); - case XML_RELAXNG_NOT_ALLOWED: - return ("notAllowed"); - case XML_RELAXNG_EXCEPT: - return ("except"); - case XML_RELAXNG_TEXT: - return ("text"); - case XML_RELAXNG_ELEMENT: - return ("element"); - case XML_RELAXNG_DATATYPE: - return ("datatype"); - case XML_RELAXNG_VALUE: - return ("value"); - case XML_RELAXNG_LIST: - return ("list"); - case XML_RELAXNG_ATTRIBUTE: - return ("attribute"); - case XML_RELAXNG_DEF: - return ("def"); - case XML_RELAXNG_REF: - return ("ref"); - case XML_RELAXNG_EXTERNALREF: - return ("externalRef"); - case XML_RELAXNG_PARENTREF: - return ("parentRef"); - case XML_RELAXNG_OPTIONAL: - return ("optional"); - case XML_RELAXNG_ZEROORMORE: - return ("zeroOrMore"); - case XML_RELAXNG_ONEORMORE: - return ("oneOrMore"); - case XML_RELAXNG_CHOICE: - return ("choice"); - case XML_RELAXNG_GROUP: - return ("group"); - case XML_RELAXNG_INTERLEAVE: - return ("interleave"); - case XML_RELAXNG_START: - return ("start"); - case XML_RELAXNG_NOOP: - return ("noop"); - case XML_RELAXNG_PARAM: - return ("param"); - } - return ("unknown"); -} - -/** - * xmlRelaxNGGetErrorString: - * @err: the error code - * @arg1: the first string argument - * @arg2: the second string argument - * - * computes a formatted error string for the given error code and args - * - * Returns the error string, it must be deallocated by the caller - */ -static xmlChar * -xmlRelaxNGGetErrorString(xmlRelaxNGValidErr err, const xmlChar * arg1, - const xmlChar * arg2) -{ - char msg[1000]; - xmlChar *result; - - if (arg1 == NULL) - arg1 = BAD_CAST ""; - if (arg2 == NULL) - arg2 = BAD_CAST ""; - - msg[0] = 0; - switch (err) { - case XML_RELAXNG_OK: - return (NULL); - case XML_RELAXNG_ERR_MEMORY: - return (xmlCharStrdup("out of memory\n")); - case XML_RELAXNG_ERR_TYPE: - snprintf(msg, 1000, "failed to validate type %s\n", arg1); - break; - case XML_RELAXNG_ERR_TYPEVAL: - snprintf(msg, 1000, "Type %s doesn't allow value '%s'\n", arg1, - arg2); - break; - case XML_RELAXNG_ERR_DUPID: - snprintf(msg, 1000, "ID %s redefined\n", arg1); - break; - case XML_RELAXNG_ERR_TYPECMP: - snprintf(msg, 1000, "failed to compare type %s\n", arg1); - break; - case XML_RELAXNG_ERR_NOSTATE: - return (xmlCharStrdup("Internal error: no state\n")); - case XML_RELAXNG_ERR_NODEFINE: - return (xmlCharStrdup("Internal error: no define\n")); - case XML_RELAXNG_ERR_INTERNAL: - snprintf(msg, 1000, "Internal error: %s\n", arg1); - break; - case XML_RELAXNG_ERR_LISTEXTRA: - snprintf(msg, 1000, "Extra data in list: %s\n", arg1); - break; - case XML_RELAXNG_ERR_INTERNODATA: - return (xmlCharStrdup - ("Internal: interleave block has no data\n")); - case XML_RELAXNG_ERR_INTERSEQ: - return (xmlCharStrdup("Invalid sequence in interleave\n")); - case XML_RELAXNG_ERR_INTEREXTRA: - snprintf(msg, 1000, "Extra element %s in interleave\n", arg1); - break; - case XML_RELAXNG_ERR_ELEMNAME: - snprintf(msg, 1000, "Expecting element %s, got %s\n", arg1, - arg2); - break; - case XML_RELAXNG_ERR_ELEMNONS: - snprintf(msg, 1000, "Expecting a namespace for element %s\n", - arg1); - break; - case XML_RELAXNG_ERR_ELEMWRONGNS: - snprintf(msg, 1000, - "Element %s has wrong namespace: expecting %s\n", arg1, - arg2); - break; - case XML_RELAXNG_ERR_ELEMWRONG: - snprintf(msg, 1000, "Did not expect element %s there\n", arg1); - break; - case XML_RELAXNG_ERR_TEXTWRONG: - snprintf(msg, 1000, - "Did not expect text in element %s content\n", arg1); - break; - case XML_RELAXNG_ERR_ELEMEXTRANS: - snprintf(msg, 1000, "Expecting no namespace for element %s\n", - arg1); - break; - case XML_RELAXNG_ERR_ELEMNOTEMPTY: - snprintf(msg, 1000, "Expecting element %s to be empty\n", arg1); - break; - case XML_RELAXNG_ERR_NOELEM: - snprintf(msg, 1000, "Expecting an element %s, got nothing\n", - arg1); - break; - case XML_RELAXNG_ERR_NOTELEM: - return (xmlCharStrdup("Expecting an element got text\n")); - case XML_RELAXNG_ERR_ATTRVALID: - snprintf(msg, 1000, "Element %s failed to validate attributes\n", - arg1); - break; - case XML_RELAXNG_ERR_CONTENTVALID: - snprintf(msg, 1000, "Element %s failed to validate content\n", - arg1); - break; - case XML_RELAXNG_ERR_EXTRACONTENT: - snprintf(msg, 1000, "Element %s has extra content: %s\n", - arg1, arg2); - break; - case XML_RELAXNG_ERR_INVALIDATTR: - snprintf(msg, 1000, "Invalid attribute %s for element %s\n", - arg1, arg2); - break; - case XML_RELAXNG_ERR_LACKDATA: - snprintf(msg, 1000, "Datatype element %s contains no data\n", - arg1); - break; - case XML_RELAXNG_ERR_DATAELEM: - snprintf(msg, 1000, "Datatype element %s has child elements\n", - arg1); - break; - case XML_RELAXNG_ERR_VALELEM: - snprintf(msg, 1000, "Value element %s has child elements\n", - arg1); - break; - case XML_RELAXNG_ERR_LISTELEM: - snprintf(msg, 1000, "List element %s has child elements\n", - arg1); - break; - case XML_RELAXNG_ERR_DATATYPE: - snprintf(msg, 1000, "Error validating datatype %s\n", arg1); - break; - case XML_RELAXNG_ERR_VALUE: - snprintf(msg, 1000, "Error validating value %s\n", arg1); - break; - case XML_RELAXNG_ERR_LIST: - return (xmlCharStrdup("Error validating list\n")); - case XML_RELAXNG_ERR_NOGRAMMAR: - return (xmlCharStrdup("No top grammar defined\n")); - case XML_RELAXNG_ERR_EXTRADATA: - return (xmlCharStrdup("Extra data in the document\n")); - default: - return (xmlCharStrdup("Unknown error !\n")); - } - if (msg[0] == 0) { - snprintf(msg, 1000, "Unknown error code %d\n", err); - } - msg[1000 - 1] = 0; - result = xmlCharStrdup(msg); - return (xmlEscapeFormatString(&result)); -} - -/** - * xmlRelaxNGShowValidError: - * @ctxt: the validation context - * @err: the error number - * @node: the node - * @child: the node child generating the problem. - * @arg1: the first argument - * @arg2: the second argument - * - * Show a validation error. - */ -static void -xmlRelaxNGShowValidError(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGValidErr err, xmlNodePtr node, - xmlNodePtr child, const xmlChar * arg1, - const xmlChar * arg2) -{ - xmlChar *msg; - - if (ctxt->flags & FLAGS_NOERROR) - return; - -#ifdef DEBUG_ERROR - xmlGenericError(xmlGenericErrorContext, "Show error %d\n", err); -#endif - msg = xmlRelaxNGGetErrorString(err, arg1, arg2); - if (msg == NULL) - return; - - if (ctxt->errNo == XML_RELAXNG_OK) - ctxt->errNo = err; - xmlRngVErr(ctxt, (child == NULL ? node : child), err, - (const char *) msg, arg1, arg2); - xmlFree(msg); -} - -/** - * xmlRelaxNGPopErrors: - * @ctxt: the validation context - * @level: the error level in the stack - * - * pop and discard all errors until the given level is reached - */ -static void -xmlRelaxNGPopErrors(xmlRelaxNGValidCtxtPtr ctxt, int level) -{ - int i; - xmlRelaxNGValidErrorPtr err; - -#ifdef DEBUG_ERROR - xmlGenericError(xmlGenericErrorContext, - "Pop errors till level %d\n", level); -#endif - for (i = level; i < ctxt->errNr; i++) { - err = &ctxt->errTab[i]; - if (err->flags & ERROR_IS_DUP) { - if (err->arg1 != NULL) - xmlFree((xmlChar *) err->arg1); - err->arg1 = NULL; - if (err->arg2 != NULL) - xmlFree((xmlChar *) err->arg2); - err->arg2 = NULL; - err->flags = 0; - } - } - ctxt->errNr = level; - if (ctxt->errNr <= 0) - ctxt->err = NULL; -} - -/** - * xmlRelaxNGDumpValidError: - * @ctxt: the validation context - * - * Show all validation error over a given index. - */ -static void -xmlRelaxNGDumpValidError(xmlRelaxNGValidCtxtPtr ctxt) -{ - int i, j, k; - xmlRelaxNGValidErrorPtr err, dup; - -#ifdef DEBUG_ERROR - xmlGenericError(xmlGenericErrorContext, - "Dumping error stack %d errors\n", ctxt->errNr); -#endif - for (i = 0, k = 0; i < ctxt->errNr; i++) { - err = &ctxt->errTab[i]; - if (k < MAX_ERROR) { - for (j = 0; j < i; j++) { - dup = &ctxt->errTab[j]; - if ((err->err == dup->err) && (err->node == dup->node) && - (xmlStrEqual(err->arg1, dup->arg1)) && - (xmlStrEqual(err->arg2, dup->arg2))) { - goto skip; - } - } - xmlRelaxNGShowValidError(ctxt, err->err, err->node, err->seq, - err->arg1, err->arg2); - k++; - } - skip: - if (err->flags & ERROR_IS_DUP) { - if (err->arg1 != NULL) - xmlFree((xmlChar *) err->arg1); - err->arg1 = NULL; - if (err->arg2 != NULL) - xmlFree((xmlChar *) err->arg2); - err->arg2 = NULL; - err->flags = 0; - } - } - ctxt->errNr = 0; -} - -/** - * xmlRelaxNGAddValidError: - * @ctxt: the validation context - * @err: the error number - * @arg1: the first argument - * @arg2: the second argument - * @dup: need to dup the args - * - * Register a validation error, either generating it if it's sure - * or stacking it for later handling if unsure. - */ -static void -xmlRelaxNGAddValidError(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGValidErr err, const xmlChar * arg1, - const xmlChar * arg2, int dup) -{ - if (ctxt == NULL) - return; - if (ctxt->flags & FLAGS_NOERROR) - return; - -#ifdef DEBUG_ERROR - xmlGenericError(xmlGenericErrorContext, "Adding error %d\n", err); -#endif - /* - * generate the error directly - */ - if (((ctxt->flags & FLAGS_IGNORABLE) == 0) || - (ctxt->flags & FLAGS_NEGATIVE)) { - xmlNodePtr node, seq; - - /* - * Flush first any stacked error which might be the - * real cause of the problem. - */ - if (ctxt->errNr != 0) - xmlRelaxNGDumpValidError(ctxt); - if (ctxt->state != NULL) { - node = ctxt->state->node; - seq = ctxt->state->seq; - } else { - node = seq = NULL; - } - if ((node == NULL) && (seq == NULL)) { - node = ctxt->pnode; - } - xmlRelaxNGShowValidError(ctxt, err, node, seq, arg1, arg2); - } - /* - * Stack the error for later processing if needed - */ - else { - xmlRelaxNGValidErrorPush(ctxt, err, arg1, arg2, dup); - } -} - - -/************************************************************************ - * * - * Type library hooks * - * * - ************************************************************************/ -static xmlChar *xmlRelaxNGNormalize(xmlRelaxNGValidCtxtPtr ctxt, - const xmlChar * str); - -/** - * xmlRelaxNGSchemaTypeHave: - * @data: data needed for the library - * @type: the type name - * - * Check if the given type is provided by - * the W3C XMLSchema Datatype library. - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -static int -xmlRelaxNGSchemaTypeHave(void *data ATTRIBUTE_UNUSED, const xmlChar * type) -{ - xmlSchemaTypePtr typ; - - if (type == NULL) - return (-1); - typ = xmlSchemaGetPredefinedType(type, - BAD_CAST - "http://www.w3.org/2001/XMLSchema"); - if (typ == NULL) - return (0); - return (1); -} - -/** - * xmlRelaxNGSchemaTypeCheck: - * @data: data needed for the library - * @type: the type name - * @value: the value to check - * @node: the node - * - * Check if the given type and value are validated by - * the W3C XMLSchema Datatype library. - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -static int -xmlRelaxNGSchemaTypeCheck(void *data ATTRIBUTE_UNUSED, - const xmlChar * type, - const xmlChar * value, - void **result, xmlNodePtr node) -{ - xmlSchemaTypePtr typ; - int ret; - - if ((type == NULL) || (value == NULL)) - return (-1); - typ = xmlSchemaGetPredefinedType(type, - BAD_CAST - "http://www.w3.org/2001/XMLSchema"); - if (typ == NULL) - return (-1); - ret = xmlSchemaValPredefTypeNode(typ, value, - (xmlSchemaValPtr *) result, node); - if (ret == 2) /* special ID error code */ - return (2); - if (ret == 0) - return (1); - if (ret > 0) - return (0); - return (-1); -} - -/** - * xmlRelaxNGSchemaFacetCheck: - * @data: data needed for the library - * @type: the type name - * @facet: the facet name - * @val: the facet value - * @strval: the string value - * @value: the value to check - * - * Function provided by a type library to check a value facet - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -static int -xmlRelaxNGSchemaFacetCheck(void *data ATTRIBUTE_UNUSED, - const xmlChar * type, const xmlChar * facetname, - const xmlChar * val, const xmlChar * strval, - void *value) -{ - xmlSchemaFacetPtr facet; - xmlSchemaTypePtr typ; - int ret; - - if ((type == NULL) || (strval == NULL)) - return (-1); - typ = xmlSchemaGetPredefinedType(type, - BAD_CAST - "http://www.w3.org/2001/XMLSchema"); - if (typ == NULL) - return (-1); - - facet = xmlSchemaNewFacet(); - if (facet == NULL) - return (-1); - - if (xmlStrEqual(facetname, BAD_CAST "minInclusive")) { - facet->type = XML_SCHEMA_FACET_MININCLUSIVE; - } else if (xmlStrEqual(facetname, BAD_CAST "minExclusive")) { - facet->type = XML_SCHEMA_FACET_MINEXCLUSIVE; - } else if (xmlStrEqual(facetname, BAD_CAST "maxInclusive")) { - facet->type = XML_SCHEMA_FACET_MAXINCLUSIVE; - } else if (xmlStrEqual(facetname, BAD_CAST "maxExclusive")) { - facet->type = XML_SCHEMA_FACET_MAXEXCLUSIVE; - } else if (xmlStrEqual(facetname, BAD_CAST "totalDigits")) { - facet->type = XML_SCHEMA_FACET_TOTALDIGITS; - } else if (xmlStrEqual(facetname, BAD_CAST "fractionDigits")) { - facet->type = XML_SCHEMA_FACET_FRACTIONDIGITS; - } else if (xmlStrEqual(facetname, BAD_CAST "pattern")) { - facet->type = XML_SCHEMA_FACET_PATTERN; - } else if (xmlStrEqual(facetname, BAD_CAST "enumeration")) { - facet->type = XML_SCHEMA_FACET_ENUMERATION; - } else if (xmlStrEqual(facetname, BAD_CAST "whiteSpace")) { - facet->type = XML_SCHEMA_FACET_WHITESPACE; - } else if (xmlStrEqual(facetname, BAD_CAST "length")) { - facet->type = XML_SCHEMA_FACET_LENGTH; - } else if (xmlStrEqual(facetname, BAD_CAST "maxLength")) { - facet->type = XML_SCHEMA_FACET_MAXLENGTH; - } else if (xmlStrEqual(facetname, BAD_CAST "minLength")) { - facet->type = XML_SCHEMA_FACET_MINLENGTH; - } else { - xmlSchemaFreeFacet(facet); - return (-1); - } - facet->value = val; - ret = xmlSchemaCheckFacet(facet, typ, NULL, type); - if (ret != 0) { - xmlSchemaFreeFacet(facet); - return (-1); - } - ret = xmlSchemaValidateFacet(typ, facet, strval, value); - xmlSchemaFreeFacet(facet); - if (ret != 0) - return (-1); - return (0); -} - -/** - * xmlRelaxNGSchemaFreeValue: - * @data: data needed for the library - * @value: the value to free - * - * Function provided by a type library to free a Schemas value - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -static void -xmlRelaxNGSchemaFreeValue(void *data ATTRIBUTE_UNUSED, void *value) -{ - xmlSchemaFreeValue(value); -} - -/** - * xmlRelaxNGSchemaTypeCompare: - * @data: data needed for the library - * @type: the type name - * @value1: the first value - * @value2: the second value - * - * Compare two values for equality accordingly a type from the W3C XMLSchema - * Datatype library. - * - * Returns 1 if equal, 0 if no and -1 in case of error. - */ -static int -xmlRelaxNGSchemaTypeCompare(void *data ATTRIBUTE_UNUSED, - const xmlChar * type, - const xmlChar * value1, - xmlNodePtr ctxt1, - void *comp1, - const xmlChar * value2, xmlNodePtr ctxt2) -{ - int ret; - xmlSchemaTypePtr typ; - xmlSchemaValPtr res1 = NULL, res2 = NULL; - - if ((type == NULL) || (value1 == NULL) || (value2 == NULL)) - return (-1); - typ = xmlSchemaGetPredefinedType(type, - BAD_CAST - "http://www.w3.org/2001/XMLSchema"); - if (typ == NULL) - return (-1); - if (comp1 == NULL) { - ret = xmlSchemaValPredefTypeNode(typ, value1, &res1, ctxt1); - if (ret != 0) - return (-1); - if (res1 == NULL) - return (-1); - } else { - res1 = (xmlSchemaValPtr) comp1; - } - ret = xmlSchemaValPredefTypeNode(typ, value2, &res2, ctxt2); - if (ret != 0) { - if (res1 != (xmlSchemaValPtr) comp1) - xmlSchemaFreeValue(res1); - return (-1); - } - ret = xmlSchemaCompareValues(res1, res2); - if (res1 != (xmlSchemaValPtr) comp1) - xmlSchemaFreeValue(res1); - xmlSchemaFreeValue(res2); - if (ret == -2) - return (-1); - if (ret == 0) - return (1); - return (0); -} - -/** - * xmlRelaxNGDefaultTypeHave: - * @data: data needed for the library - * @type: the type name - * - * Check if the given type is provided by - * the default datatype library. - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -static int -xmlRelaxNGDefaultTypeHave(void *data ATTRIBUTE_UNUSED, - const xmlChar * type) -{ - if (type == NULL) - return (-1); - if (xmlStrEqual(type, BAD_CAST "string")) - return (1); - if (xmlStrEqual(type, BAD_CAST "token")) - return (1); - return (0); -} - -/** - * xmlRelaxNGDefaultTypeCheck: - * @data: data needed for the library - * @type: the type name - * @value: the value to check - * @node: the node - * - * Check if the given type and value are validated by - * the default datatype library. - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -static int -xmlRelaxNGDefaultTypeCheck(void *data ATTRIBUTE_UNUSED, - const xmlChar * type ATTRIBUTE_UNUSED, - const xmlChar * value ATTRIBUTE_UNUSED, - void **result ATTRIBUTE_UNUSED, - xmlNodePtr node ATTRIBUTE_UNUSED) -{ - if (value == NULL) - return (-1); - if (xmlStrEqual(type, BAD_CAST "string")) - return (1); - if (xmlStrEqual(type, BAD_CAST "token")) { - return (1); - } - - return (0); -} - -/** - * xmlRelaxNGDefaultTypeCompare: - * @data: data needed for the library - * @type: the type name - * @value1: the first value - * @value2: the second value - * - * Compare two values accordingly a type from the default - * datatype library. - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -static int -xmlRelaxNGDefaultTypeCompare(void *data ATTRIBUTE_UNUSED, - const xmlChar * type, - const xmlChar * value1, - xmlNodePtr ctxt1 ATTRIBUTE_UNUSED, - void *comp1 ATTRIBUTE_UNUSED, - const xmlChar * value2, - xmlNodePtr ctxt2 ATTRIBUTE_UNUSED) -{ - int ret = -1; - - if (xmlStrEqual(type, BAD_CAST "string")) { - ret = xmlStrEqual(value1, value2); - } else if (xmlStrEqual(type, BAD_CAST "token")) { - if (!xmlStrEqual(value1, value2)) { - xmlChar *nval, *nvalue; - - /* - * TODO: trivial optimizations are possible by - * computing at compile-time - */ - nval = xmlRelaxNGNormalize(NULL, value1); - nvalue = xmlRelaxNGNormalize(NULL, value2); - - if ((nval == NULL) || (nvalue == NULL)) - ret = -1; - else if (xmlStrEqual(nval, nvalue)) - ret = 1; - else - ret = 0; - if (nval != NULL) - xmlFree(nval); - if (nvalue != NULL) - xmlFree(nvalue); - } else - ret = 1; - } - return (ret); -} - -static int xmlRelaxNGTypeInitialized = 0; -static xmlHashTablePtr xmlRelaxNGRegisteredTypes = NULL; - -/** - * xmlRelaxNGFreeTypeLibrary: - * @lib: the type library structure - * @namespace: the URI bound to the library - * - * Free the structure associated to the type library - */ -static void -xmlRelaxNGFreeTypeLibrary(xmlRelaxNGTypeLibraryPtr lib, - const xmlChar * namespace ATTRIBUTE_UNUSED) -{ - if (lib == NULL) - return; - if (lib->namespace != NULL) - xmlFree((xmlChar *) lib->namespace); - xmlFree(lib); -} - -/** - * xmlRelaxNGRegisterTypeLibrary: - * @namespace: the URI bound to the library - * @data: data associated to the library - * @have: the provide function - * @check: the checking function - * @comp: the comparison function - * - * Register a new type library - * - * Returns 0 in case of success and -1 in case of error. - */ -static int -xmlRelaxNGRegisterTypeLibrary(const xmlChar * namespace, void *data, - xmlRelaxNGTypeHave have, - xmlRelaxNGTypeCheck check, - xmlRelaxNGTypeCompare comp, - xmlRelaxNGFacetCheck facet, - xmlRelaxNGTypeFree freef) -{ - xmlRelaxNGTypeLibraryPtr lib; - int ret; - - if ((xmlRelaxNGRegisteredTypes == NULL) || (namespace == NULL) || - (check == NULL) || (comp == NULL)) - return (-1); - if (xmlHashLookup(xmlRelaxNGRegisteredTypes, namespace) != NULL) { - xmlGenericError(xmlGenericErrorContext, - "Relax-NG types library '%s' already registered\n", - namespace); - return (-1); - } - lib = - (xmlRelaxNGTypeLibraryPtr) - xmlMalloc(sizeof(xmlRelaxNGTypeLibrary)); - if (lib == NULL) { - xmlRngVErrMemory(NULL, "adding types library\n"); - return (-1); - } - memset(lib, 0, sizeof(xmlRelaxNGTypeLibrary)); - lib->namespace = xmlStrdup(namespace); - lib->data = data; - lib->have = have; - lib->comp = comp; - lib->check = check; - lib->facet = facet; - lib->freef = freef; - ret = xmlHashAddEntry(xmlRelaxNGRegisteredTypes, namespace, lib); - if (ret < 0) { - xmlGenericError(xmlGenericErrorContext, - "Relax-NG types library failed to register '%s'\n", - namespace); - xmlRelaxNGFreeTypeLibrary(lib, namespace); - return (-1); - } - return (0); -} - -/** - * xmlRelaxNGInitTypes: - * - * Initilize the default type libraries. - * - * Returns 0 in case of success and -1 in case of error. - */ -int -xmlRelaxNGInitTypes(void) -{ - if (xmlRelaxNGTypeInitialized != 0) - return (0); - xmlRelaxNGRegisteredTypes = xmlHashCreate(10); - if (xmlRelaxNGRegisteredTypes == NULL) { - xmlGenericError(xmlGenericErrorContext, - "Failed to allocate sh table for Relax-NG types\n"); - return (-1); - } - xmlRelaxNGRegisterTypeLibrary(BAD_CAST - "http://www.w3.org/2001/XMLSchema-datatypes", - NULL, xmlRelaxNGSchemaTypeHave, - xmlRelaxNGSchemaTypeCheck, - xmlRelaxNGSchemaTypeCompare, - xmlRelaxNGSchemaFacetCheck, - xmlRelaxNGSchemaFreeValue); - xmlRelaxNGRegisterTypeLibrary(xmlRelaxNGNs, NULL, - xmlRelaxNGDefaultTypeHave, - xmlRelaxNGDefaultTypeCheck, - xmlRelaxNGDefaultTypeCompare, NULL, - NULL); - xmlRelaxNGTypeInitialized = 1; - return (0); -} - -/** - * xmlRelaxNGCleanupTypes: - * - * Cleanup the default Schemas type library associated to RelaxNG - */ -void -xmlRelaxNGCleanupTypes(void) -{ - xmlSchemaCleanupTypes(); - if (xmlRelaxNGTypeInitialized == 0) - return; - xmlHashFree(xmlRelaxNGRegisteredTypes, (xmlHashDeallocator) - xmlRelaxNGFreeTypeLibrary); - xmlRelaxNGTypeInitialized = 0; -} - -/************************************************************************ - * * - * Compiling element content into regexp * - * * - * Sometime the element content can be compiled into a pure regexp, * - * This allows a faster execution and streamability at that level * - * * - ************************************************************************/ - -/* from automata.c but not exported */ -void xmlAutomataSetFlags(xmlAutomataPtr am, int flags); - - -static int xmlRelaxNGTryCompile(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGDefinePtr def); - -/** - * xmlRelaxNGIsCompileable: - * @define: the definition to check - * - * Check if a definition is nullable. - * - * Returns 1 if yes, 0 if no and -1 in case of error - */ -static int -xmlRelaxNGIsCompileable(xmlRelaxNGDefinePtr def) -{ - int ret = -1; - - if (def == NULL) { - return (-1); - } - if ((def->type != XML_RELAXNG_ELEMENT) && - (def->dflags & IS_COMPILABLE)) - return (1); - if ((def->type != XML_RELAXNG_ELEMENT) && - (def->dflags & IS_NOT_COMPILABLE)) - return (0); - switch (def->type) { - case XML_RELAXNG_NOOP: - ret = xmlRelaxNGIsCompileable(def->content); - break; - case XML_RELAXNG_TEXT: - case XML_RELAXNG_EMPTY: - ret = 1; - break; - case XML_RELAXNG_ELEMENT: - /* - * Check if the element content is compileable - */ - if (((def->dflags & IS_NOT_COMPILABLE) == 0) && - ((def->dflags & IS_COMPILABLE) == 0)) { - xmlRelaxNGDefinePtr list; - - list = def->content; - while (list != NULL) { - ret = xmlRelaxNGIsCompileable(list); - if (ret != 1) - break; - list = list->next; - } - /* - * Because the routine is recursive, we must guard against - * discovering both COMPILABLE and NOT_COMPILABLE - */ - if (ret == 0) { - def->dflags &= ~IS_COMPILABLE; - def->dflags |= IS_NOT_COMPILABLE; - } - if ((ret == 1) && !(def->dflags &= IS_NOT_COMPILABLE)) - def->dflags |= IS_COMPILABLE; -#ifdef DEBUG_COMPILE - if (ret == 1) { - xmlGenericError(xmlGenericErrorContext, - "element content for %s is compilable\n", - def->name); - } else if (ret == 0) { - xmlGenericError(xmlGenericErrorContext, - "element content for %s is not compilable\n", - def->name); - } else { - xmlGenericError(xmlGenericErrorContext, - "Problem in RelaxNGIsCompileable for element %s\n", - def->name); - } -#endif - } - /* - * All elements return a compileable status unless they - * are generic like anyName - */ - if ((def->nameClass != NULL) || (def->name == NULL)) - ret = 0; - else - ret = 1; - return (ret); - case XML_RELAXNG_REF: - case XML_RELAXNG_EXTERNALREF: - case XML_RELAXNG_PARENTREF: - if (def->depth == -20) { - return (1); - } else { - xmlRelaxNGDefinePtr list; - - def->depth = -20; - list = def->content; - while (list != NULL) { - ret = xmlRelaxNGIsCompileable(list); - if (ret != 1) - break; - list = list->next; - } - } - break; - case XML_RELAXNG_START: - case XML_RELAXNG_OPTIONAL: - case XML_RELAXNG_ZEROORMORE: - case XML_RELAXNG_ONEORMORE: - case XML_RELAXNG_CHOICE: - case XML_RELAXNG_GROUP: - case XML_RELAXNG_DEF:{ - xmlRelaxNGDefinePtr list; - - list = def->content; - while (list != NULL) { - ret = xmlRelaxNGIsCompileable(list); - if (ret != 1) - break; - list = list->next; - } - break; - } - case XML_RELAXNG_EXCEPT: - case XML_RELAXNG_ATTRIBUTE: - case XML_RELAXNG_INTERLEAVE: - case XML_RELAXNG_DATATYPE: - case XML_RELAXNG_LIST: - case XML_RELAXNG_PARAM: - case XML_RELAXNG_VALUE: - case XML_RELAXNG_NOT_ALLOWED: - ret = 0; - break; - } - if (ret == 0) - def->dflags |= IS_NOT_COMPILABLE; - if (ret == 1) - def->dflags |= IS_COMPILABLE; -#ifdef DEBUG_COMPILE - if (ret == 1) { - xmlGenericError(xmlGenericErrorContext, - "RelaxNGIsCompileable %s : true\n", - xmlRelaxNGDefName(def)); - } else if (ret == 0) { - xmlGenericError(xmlGenericErrorContext, - "RelaxNGIsCompileable %s : false\n", - xmlRelaxNGDefName(def)); - } else { - xmlGenericError(xmlGenericErrorContext, - "Problem in RelaxNGIsCompileable %s\n", - xmlRelaxNGDefName(def)); - } -#endif - return (ret); -} - -/** - * xmlRelaxNGCompile: - * ctxt: the RelaxNG parser context - * @define: the definition tree to compile - * - * Compile the set of definitions, it works recursively, till the - * element boundaries, where it tries to compile the content if possible - * - * Returns 0 if success and -1 in case of error - */ -static int -xmlRelaxNGCompile(xmlRelaxNGParserCtxtPtr ctxt, xmlRelaxNGDefinePtr def) -{ - int ret = 0; - xmlRelaxNGDefinePtr list; - - if ((ctxt == NULL) || (def == NULL)) - return (-1); - - switch (def->type) { - case XML_RELAXNG_START: - if ((xmlRelaxNGIsCompileable(def) == 1) && (def->depth != -25)) { - xmlAutomataPtr oldam = ctxt->am; - xmlAutomataStatePtr oldstate = ctxt->state; - - def->depth = -25; - - list = def->content; - ctxt->am = xmlNewAutomata(); - if (ctxt->am == NULL) - return (-1); - - /* - * assume identical strings but not same pointer are different - * atoms, needed for non-determinism detection - * That way if 2 elements with the same name are in a choice - * branch the automata is found non-deterministic and - * we fallback to the normal validation which does the right - * thing of exploring both choices. - */ - xmlAutomataSetFlags(ctxt->am, 1); - - ctxt->state = xmlAutomataGetInitState(ctxt->am); - while (list != NULL) { - xmlRelaxNGCompile(ctxt, list); - list = list->next; - } - xmlAutomataSetFinalState(ctxt->am, ctxt->state); - if (xmlAutomataIsDeterminist(ctxt->am)) - def->contModel = xmlAutomataCompile(ctxt->am); - - xmlFreeAutomata(ctxt->am); - ctxt->state = oldstate; - ctxt->am = oldam; - } - break; - case XML_RELAXNG_ELEMENT: - if ((ctxt->am != NULL) && (def->name != NULL)) { - ctxt->state = xmlAutomataNewTransition2(ctxt->am, - ctxt->state, NULL, - def->name, def->ns, - def); - } - if ((def->dflags & IS_COMPILABLE) && (def->depth != -25)) { - xmlAutomataPtr oldam = ctxt->am; - xmlAutomataStatePtr oldstate = ctxt->state; - - def->depth = -25; - - list = def->content; - ctxt->am = xmlNewAutomata(); - if (ctxt->am == NULL) - return (-1); - xmlAutomataSetFlags(ctxt->am, 1); - ctxt->state = xmlAutomataGetInitState(ctxt->am); - while (list != NULL) { - xmlRelaxNGCompile(ctxt, list); - list = list->next; - } - xmlAutomataSetFinalState(ctxt->am, ctxt->state); - def->contModel = xmlAutomataCompile(ctxt->am); - if (!xmlRegexpIsDeterminist(def->contModel)) { -#ifdef DEBUG_COMPILE - xmlGenericError(xmlGenericErrorContext, - "Content model not determinist %s\n", - def->name); -#endif - /* - * we can only use the automata if it is determinist - */ - xmlRegFreeRegexp(def->contModel); - def->contModel = NULL; - } - xmlFreeAutomata(ctxt->am); - ctxt->state = oldstate; - ctxt->am = oldam; - } else { - xmlAutomataPtr oldam = ctxt->am; - - /* - * we can't build the content model for this element content - * but it still might be possible to build it for some of its - * children, recurse. - */ - ret = xmlRelaxNGTryCompile(ctxt, def); - ctxt->am = oldam; - } - break; - case XML_RELAXNG_NOOP: - ret = xmlRelaxNGCompile(ctxt, def->content); - break; - case XML_RELAXNG_OPTIONAL:{ - xmlAutomataStatePtr oldstate = ctxt->state; - - list = def->content; - while (list != NULL) { - xmlRelaxNGCompile(ctxt, list); - list = list->next; - } - xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); - break; - } - case XML_RELAXNG_ZEROORMORE:{ - xmlAutomataStatePtr oldstate; - - ctxt->state = - xmlAutomataNewEpsilon(ctxt->am, ctxt->state, NULL); - oldstate = ctxt->state; - list = def->content; - while (list != NULL) { - xmlRelaxNGCompile(ctxt, list); - list = list->next; - } - xmlAutomataNewEpsilon(ctxt->am, ctxt->state, oldstate); - ctxt->state = - xmlAutomataNewEpsilon(ctxt->am, oldstate, NULL); - break; - } - case XML_RELAXNG_ONEORMORE:{ - xmlAutomataStatePtr oldstate; - - list = def->content; - while (list != NULL) { - xmlRelaxNGCompile(ctxt, list); - list = list->next; - } - oldstate = ctxt->state; - list = def->content; - while (list != NULL) { - xmlRelaxNGCompile(ctxt, list); - list = list->next; - } - xmlAutomataNewEpsilon(ctxt->am, ctxt->state, oldstate); - ctxt->state = - xmlAutomataNewEpsilon(ctxt->am, oldstate, NULL); - break; - } - case XML_RELAXNG_CHOICE:{ - xmlAutomataStatePtr target = NULL; - xmlAutomataStatePtr oldstate = ctxt->state; - - list = def->content; - while (list != NULL) { - ctxt->state = oldstate; - ret = xmlRelaxNGCompile(ctxt, list); - if (ret != 0) - break; - if (target == NULL) - target = ctxt->state; - else { - xmlAutomataNewEpsilon(ctxt->am, ctxt->state, - target); - } - list = list->next; - } - ctxt->state = target; - - break; - } - case XML_RELAXNG_REF: - case XML_RELAXNG_EXTERNALREF: - case XML_RELAXNG_PARENTREF: - case XML_RELAXNG_GROUP: - case XML_RELAXNG_DEF: - list = def->content; - while (list != NULL) { - ret = xmlRelaxNGCompile(ctxt, list); - if (ret != 0) - break; - list = list->next; - } - break; - case XML_RELAXNG_TEXT:{ - xmlAutomataStatePtr oldstate; - - ctxt->state = - xmlAutomataNewEpsilon(ctxt->am, ctxt->state, NULL); - oldstate = ctxt->state; - xmlRelaxNGCompile(ctxt, def->content); - xmlAutomataNewTransition(ctxt->am, ctxt->state, - ctxt->state, BAD_CAST "#text", - NULL); - ctxt->state = - xmlAutomataNewEpsilon(ctxt->am, oldstate, NULL); - break; - } - case XML_RELAXNG_EMPTY: - ctxt->state = - xmlAutomataNewEpsilon(ctxt->am, ctxt->state, NULL); - break; - case XML_RELAXNG_EXCEPT: - case XML_RELAXNG_ATTRIBUTE: - case XML_RELAXNG_INTERLEAVE: - case XML_RELAXNG_NOT_ALLOWED: - case XML_RELAXNG_DATATYPE: - case XML_RELAXNG_LIST: - case XML_RELAXNG_PARAM: - case XML_RELAXNG_VALUE: - /* This should not happen and generate an internal error */ - fprintf(stderr, "RNG internal error trying to compile %s\n", - xmlRelaxNGDefName(def)); - break; - } - return (ret); -} - -/** - * xmlRelaxNGTryCompile: - * ctxt: the RelaxNG parser context - * @define: the definition tree to compile - * - * Try to compile the set of definitions, it works recursively, - * possibly ignoring parts which cannot be compiled. - * - * Returns 0 if success and -1 in case of error - */ -static int -xmlRelaxNGTryCompile(xmlRelaxNGParserCtxtPtr ctxt, xmlRelaxNGDefinePtr def) -{ - int ret = 0; - xmlRelaxNGDefinePtr list; - - if ((ctxt == NULL) || (def == NULL)) - return (-1); - - if ((def->type == XML_RELAXNG_START) || - (def->type == XML_RELAXNG_ELEMENT)) { - ret = xmlRelaxNGIsCompileable(def); - if ((def->dflags & IS_COMPILABLE) && (def->depth != -25)) { - ctxt->am = NULL; - ret = xmlRelaxNGCompile(ctxt, def); -#ifdef DEBUG_PROGRESSIVE - if (ret == 0) { - if (def->type == XML_RELAXNG_START) - xmlGenericError(xmlGenericErrorContext, - "compiled the start\n"); - else - xmlGenericError(xmlGenericErrorContext, - "compiled element %s\n", def->name); - } else { - if (def->type == XML_RELAXNG_START) - xmlGenericError(xmlGenericErrorContext, - "failed to compile the start\n"); - else - xmlGenericError(xmlGenericErrorContext, - "failed to compile element %s\n", - def->name); - } -#endif - return (ret); - } - } - switch (def->type) { - case XML_RELAXNG_NOOP: - ret = xmlRelaxNGTryCompile(ctxt, def->content); - break; - case XML_RELAXNG_TEXT: - case XML_RELAXNG_DATATYPE: - case XML_RELAXNG_LIST: - case XML_RELAXNG_PARAM: - case XML_RELAXNG_VALUE: - case XML_RELAXNG_EMPTY: - case XML_RELAXNG_ELEMENT: - ret = 0; - break; - case XML_RELAXNG_OPTIONAL: - case XML_RELAXNG_ZEROORMORE: - case XML_RELAXNG_ONEORMORE: - case XML_RELAXNG_CHOICE: - case XML_RELAXNG_GROUP: - case XML_RELAXNG_DEF: - case XML_RELAXNG_START: - case XML_RELAXNG_REF: - case XML_RELAXNG_EXTERNALREF: - case XML_RELAXNG_PARENTREF: - list = def->content; - while (list != NULL) { - ret = xmlRelaxNGTryCompile(ctxt, list); - if (ret != 0) - break; - list = list->next; - } - break; - case XML_RELAXNG_EXCEPT: - case XML_RELAXNG_ATTRIBUTE: - case XML_RELAXNG_INTERLEAVE: - case XML_RELAXNG_NOT_ALLOWED: - ret = 0; - break; - } - return (ret); -} - -/************************************************************************ - * * - * Parsing functions * - * * - ************************************************************************/ - -static xmlRelaxNGDefinePtr xmlRelaxNGParseAttribute(xmlRelaxNGParserCtxtPtr - ctxt, xmlNodePtr node); -static xmlRelaxNGDefinePtr xmlRelaxNGParseElement(xmlRelaxNGParserCtxtPtr - ctxt, xmlNodePtr node); -static xmlRelaxNGDefinePtr xmlRelaxNGParsePatterns(xmlRelaxNGParserCtxtPtr - ctxt, xmlNodePtr nodes, - int group); -static xmlRelaxNGDefinePtr xmlRelaxNGParsePattern(xmlRelaxNGParserCtxtPtr - ctxt, xmlNodePtr node); -static xmlRelaxNGPtr xmlRelaxNGParseDocument(xmlRelaxNGParserCtxtPtr ctxt, - xmlNodePtr node); -static int xmlRelaxNGParseGrammarContent(xmlRelaxNGParserCtxtPtr ctxt, - xmlNodePtr nodes); -static xmlRelaxNGDefinePtr xmlRelaxNGParseNameClass(xmlRelaxNGParserCtxtPtr - ctxt, xmlNodePtr node, - xmlRelaxNGDefinePtr - def); -static xmlRelaxNGGrammarPtr xmlRelaxNGParseGrammar(xmlRelaxNGParserCtxtPtr - ctxt, xmlNodePtr nodes); -static int xmlRelaxNGElementMatch(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr define, - xmlNodePtr elem); - - -#define IS_BLANK_NODE(n) (xmlRelaxNGIsBlank((n)->content)) - -/** - * xmlRelaxNGIsNullable: - * @define: the definition to verify - * - * Check if a definition is nullable. - * - * Returns 1 if yes, 0 if no and -1 in case of error - */ -static int -xmlRelaxNGIsNullable(xmlRelaxNGDefinePtr define) -{ - int ret; - - if (define == NULL) - return (-1); - - if (define->dflags & IS_NULLABLE) - return (1); - if (define->dflags & IS_NOT_NULLABLE) - return (0); - switch (define->type) { - case XML_RELAXNG_EMPTY: - case XML_RELAXNG_TEXT: - ret = 1; - break; - case XML_RELAXNG_NOOP: - case XML_RELAXNG_DEF: - case XML_RELAXNG_REF: - case XML_RELAXNG_EXTERNALREF: - case XML_RELAXNG_PARENTREF: - case XML_RELAXNG_ONEORMORE: - ret = xmlRelaxNGIsNullable(define->content); - break; - case XML_RELAXNG_EXCEPT: - case XML_RELAXNG_NOT_ALLOWED: - case XML_RELAXNG_ELEMENT: - case XML_RELAXNG_DATATYPE: - case XML_RELAXNG_PARAM: - case XML_RELAXNG_VALUE: - case XML_RELAXNG_LIST: - case XML_RELAXNG_ATTRIBUTE: - ret = 0; - break; - case XML_RELAXNG_CHOICE:{ - xmlRelaxNGDefinePtr list = define->content; - - while (list != NULL) { - ret = xmlRelaxNGIsNullable(list); - if (ret != 0) - goto done; - list = list->next; - } - ret = 0; - break; - } - case XML_RELAXNG_START: - case XML_RELAXNG_INTERLEAVE: - case XML_RELAXNG_GROUP:{ - xmlRelaxNGDefinePtr list = define->content; - - while (list != NULL) { - ret = xmlRelaxNGIsNullable(list); - if (ret != 1) - goto done; - list = list->next; - } - return (1); - } - default: - return (-1); - } - done: - if (ret == 0) - define->dflags |= IS_NOT_NULLABLE; - if (ret == 1) - define->dflags |= IS_NULLABLE; - return (ret); -} - -/** - * xmlRelaxNGIsBlank: - * @str: a string - * - * Check if a string is ignorable c.f. 4.2. Whitespace - * - * Returns 1 if the string is NULL or made of blanks chars, 0 otherwise - */ -static int -xmlRelaxNGIsBlank(xmlChar * str) -{ - if (str == NULL) - return (1); - while (*str != 0) { - if (!(IS_BLANK_CH(*str))) - return (0); - str++; - } - return (1); -} - -/** - * xmlRelaxNGGetDataTypeLibrary: - * @ctxt: a Relax-NG parser context - * @node: the current data or value element - * - * Applies algorithm from 4.3. datatypeLibrary attribute - * - * Returns the datatypeLibary value or NULL if not found - */ -static xmlChar * -xmlRelaxNGGetDataTypeLibrary(xmlRelaxNGParserCtxtPtr ctxt ATTRIBUTE_UNUSED, - xmlNodePtr node) -{ - xmlChar *ret, *escape; - - if (node == NULL) - return(NULL); - - if ((IS_RELAXNG(node, "data")) || (IS_RELAXNG(node, "value"))) { - ret = xmlGetProp(node, BAD_CAST "datatypeLibrary"); - if (ret != NULL) { - if (ret[0] == 0) { - xmlFree(ret); - return (NULL); - } - escape = xmlURIEscapeStr(ret, BAD_CAST ":/#?"); - if (escape == NULL) { - return (ret); - } - xmlFree(ret); - return (escape); - } - } - node = node->parent; - while ((node != NULL) && (node->type == XML_ELEMENT_NODE)) { - ret = xmlGetProp(node, BAD_CAST "datatypeLibrary"); - if (ret != NULL) { - if (ret[0] == 0) { - xmlFree(ret); - return (NULL); - } - escape = xmlURIEscapeStr(ret, BAD_CAST ":/#?"); - if (escape == NULL) { - return (ret); - } - xmlFree(ret); - return (escape); - } - node = node->parent; - } - return (NULL); -} - -/** - * xmlRelaxNGParseValue: - * @ctxt: a Relax-NG parser context - * @node: the data node. - * - * parse the content of a RelaxNG value node. - * - * Returns the definition pointer or NULL in case of error - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGParseValue(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGDefinePtr def = NULL; - xmlRelaxNGTypeLibraryPtr lib = NULL; - xmlChar *type; - xmlChar *library; - int success = 0; - - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_VALUE; - - type = xmlGetProp(node, BAD_CAST "type"); - if (type != NULL) { - xmlRelaxNGNormExtSpace(type); - if (xmlValidateNCName(type, 0)) { - xmlRngPErr(ctxt, node, XML_RNGP_TYPE_VALUE, - "value type '%s' is not an NCName\n", type, NULL); - } - library = xmlRelaxNGGetDataTypeLibrary(ctxt, node); - if (library == NULL) - library = - xmlStrdup(BAD_CAST "http://relaxng.org/ns/structure/1.0"); - - def->name = type; - def->ns = library; - - lib = (xmlRelaxNGTypeLibraryPtr) - xmlHashLookup(xmlRelaxNGRegisteredTypes, library); - if (lib == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_UNKNOWN_TYPE_LIB, - "Use of unregistered type library '%s'\n", library, - NULL); - def->data = NULL; - } else { - def->data = lib; - if (lib->have == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_ERROR_TYPE_LIB, - "Internal error with type library '%s': no 'have'\n", - library, NULL); - } else { - success = lib->have(lib->data, def->name); - if (success != 1) { - xmlRngPErr(ctxt, node, XML_RNGP_TYPE_NOT_FOUND, - "Error type '%s' is not exported by type library '%s'\n", - def->name, library); - } - } - } - } - if (node->children == NULL) { - def->value = xmlStrdup(BAD_CAST ""); - } else if (((node->children->type != XML_TEXT_NODE) && - (node->children->type != XML_CDATA_SECTION_NODE)) || - (node->children->next != NULL)) { - xmlRngPErr(ctxt, node, XML_RNGP_TEXT_EXPECTED, - "Expecting a single text value for content\n", - NULL, NULL); - } else if (def != NULL) { - def->value = xmlNodeGetContent(node); - if (def->value == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_VALUE_NO_CONTENT, - "Element has no content\n", NULL, NULL); - } else if ((lib != NULL) && (lib->check != NULL) && (success == 1)) { - void *val = NULL; - - success = - lib->check(lib->data, def->name, def->value, &val, node); - if (success != 1) { - xmlRngPErr(ctxt, node, XML_RNGP_INVALID_VALUE, - "Value '%s' is not acceptable for type '%s'\n", - def->value, def->name); - } else { - if (val != NULL) - def->attrs = val; - } - } - } - return (def); -} - -/** - * xmlRelaxNGParseData: - * @ctxt: a Relax-NG parser context - * @node: the data node. - * - * parse the content of a RelaxNG data node. - * - * Returns the definition pointer or NULL in case of error - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGParseData(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGDefinePtr def = NULL, except; - xmlRelaxNGDefinePtr param, lastparam = NULL; - xmlRelaxNGTypeLibraryPtr lib; - xmlChar *type; - xmlChar *library; - xmlNodePtr content; - int tmp; - - type = xmlGetProp(node, BAD_CAST "type"); - if (type == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_TYPE_MISSING, "data has no type\n", NULL, - NULL); - return (NULL); - } - xmlRelaxNGNormExtSpace(type); - if (xmlValidateNCName(type, 0)) { - xmlRngPErr(ctxt, node, XML_RNGP_TYPE_VALUE, - "data type '%s' is not an NCName\n", type, NULL); - } - library = xmlRelaxNGGetDataTypeLibrary(ctxt, node); - if (library == NULL) - library = - xmlStrdup(BAD_CAST "http://relaxng.org/ns/structure/1.0"); - - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) { - xmlFree(type); - return (NULL); - } - def->type = XML_RELAXNG_DATATYPE; - def->name = type; - def->ns = library; - - lib = (xmlRelaxNGTypeLibraryPtr) - xmlHashLookup(xmlRelaxNGRegisteredTypes, library); - if (lib == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_UNKNOWN_TYPE_LIB, - "Use of unregistered type library '%s'\n", library, - NULL); - def->data = NULL; - } else { - def->data = lib; - if (lib->have == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_ERROR_TYPE_LIB, - "Internal error with type library '%s': no 'have'\n", - library, NULL); - } else { - tmp = lib->have(lib->data, def->name); - if (tmp != 1) { - xmlRngPErr(ctxt, node, XML_RNGP_TYPE_NOT_FOUND, - "Error type '%s' is not exported by type library '%s'\n", - def->name, library); - } else - if ((xmlStrEqual - (library, - BAD_CAST - "http://www.w3.org/2001/XMLSchema-datatypes")) - && ((xmlStrEqual(def->name, BAD_CAST "IDREF")) - || (xmlStrEqual(def->name, BAD_CAST "IDREFS")))) { - ctxt->idref = 1; - } - } - } - content = node->children; - - /* - * Handle optional params - */ - while (content != NULL) { - if (!xmlStrEqual(content->name, BAD_CAST "param")) - break; - if (xmlStrEqual(library, - BAD_CAST "http://relaxng.org/ns/structure/1.0")) { - xmlRngPErr(ctxt, node, XML_RNGP_PARAM_FORBIDDEN, - "Type library '%s' does not allow type parameters\n", - library, NULL); - content = content->next; - while ((content != NULL) && - (xmlStrEqual(content->name, BAD_CAST "param"))) - content = content->next; - } else { - param = xmlRelaxNGNewDefine(ctxt, node); - if (param != NULL) { - param->type = XML_RELAXNG_PARAM; - param->name = xmlGetProp(content, BAD_CAST "name"); - if (param->name == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_PARAM_NAME_MISSING, - "param has no name\n", NULL, NULL); - } - param->value = xmlNodeGetContent(content); - if (lastparam == NULL) { - def->attrs = lastparam = param; - } else { - lastparam->next = param; - lastparam = param; - } - if (lib != NULL) { - } - } - content = content->next; - } - } - /* - * Handle optional except - */ - if ((content != NULL) - && (xmlStrEqual(content->name, BAD_CAST "except"))) { - xmlNodePtr child; - xmlRelaxNGDefinePtr tmp2, last = NULL; - - except = xmlRelaxNGNewDefine(ctxt, node); - if (except == NULL) { - return (def); - } - except->type = XML_RELAXNG_EXCEPT; - child = content->children; - def->content = except; - if (child == NULL) { - xmlRngPErr(ctxt, content, XML_RNGP_EXCEPT_NO_CONTENT, - "except has no content\n", NULL, NULL); - } - while (child != NULL) { - tmp2 = xmlRelaxNGParsePattern(ctxt, child); - if (tmp2 != NULL) { - if (last == NULL) { - except->content = last = tmp2; - } else { - last->next = tmp2; - last = tmp2; - } - } - child = child->next; - } - content = content->next; - } - /* - * Check there is no unhandled data - */ - if (content != NULL) { - xmlRngPErr(ctxt, content, XML_RNGP_DATA_CONTENT, - "Element data has unexpected content %s\n", - content->name, NULL); - } - - return (def); -} - -static const xmlChar *invalidName = BAD_CAST "\1"; - -/** - * xmlRelaxNGCompareNameClasses: - * @defs1: the first element/attribute defs - * @defs2: the second element/attribute defs - * @name: the restriction on the name - * @ns: the restriction on the namespace - * - * Compare the 2 lists of element definitions. The comparison is - * that if both lists do not accept the same QNames, it returns 1 - * If the 2 lists can accept the same QName the comparison returns 0 - * - * Returns 1 disttinct, 0 if equal - */ -static int -xmlRelaxNGCompareNameClasses(xmlRelaxNGDefinePtr def1, - xmlRelaxNGDefinePtr def2) -{ - int ret = 1; - xmlNode node; - xmlNs ns; - xmlRelaxNGValidCtxt ctxt; - - memset(&ctxt, 0, sizeof(xmlRelaxNGValidCtxt)); - - ctxt.flags = FLAGS_IGNORABLE | FLAGS_NOERROR; - - if ((def1->type == XML_RELAXNG_ELEMENT) || - (def1->type == XML_RELAXNG_ATTRIBUTE)) { - if (def2->type == XML_RELAXNG_TEXT) - return (1); - if (def1->name != NULL) { - node.name = def1->name; - } else { - node.name = invalidName; - } - if (def1->ns != NULL) { - if (def1->ns[0] == 0) { - node.ns = NULL; - } else { - node.ns = &ns; - ns.href = def1->ns; - } - } else { - node.ns = NULL; - } - if (xmlRelaxNGElementMatch(&ctxt, def2, &node)) { - if (def1->nameClass != NULL) { - ret = xmlRelaxNGCompareNameClasses(def1->nameClass, def2); - } else { - ret = 0; - } - } else { - ret = 1; - } - } else if (def1->type == XML_RELAXNG_TEXT) { - if (def2->type == XML_RELAXNG_TEXT) - return (0); - return (1); - } else if (def1->type == XML_RELAXNG_EXCEPT) { - ret = xmlRelaxNGCompareNameClasses(def1->content, def2); - if (ret == 0) - ret = 1; - else if (ret == 1) - ret = 0; - } else { - TODO ret = 0; - } - if (ret == 0) - return (ret); - if ((def2->type == XML_RELAXNG_ELEMENT) || - (def2->type == XML_RELAXNG_ATTRIBUTE)) { - if (def2->name != NULL) { - node.name = def2->name; - } else { - node.name = invalidName; - } - node.ns = &ns; - if (def2->ns != NULL) { - if (def2->ns[0] == 0) { - node.ns = NULL; - } else { - ns.href = def2->ns; - } - } else { - ns.href = invalidName; - } - if (xmlRelaxNGElementMatch(&ctxt, def1, &node)) { - if (def2->nameClass != NULL) { - ret = xmlRelaxNGCompareNameClasses(def2->nameClass, def1); - } else { - ret = 0; - } - } else { - ret = 1; - } - } else { - TODO ret = 0; - } - - return (ret); -} - -/** - * xmlRelaxNGCompareElemDefLists: - * @ctxt: a Relax-NG parser context - * @defs1: the first list of element/attribute defs - * @defs2: the second list of element/attribute defs - * - * Compare the 2 lists of element or attribute definitions. The comparison - * is that if both lists do not accept the same QNames, it returns 1 - * If the 2 lists can accept the same QName the comparison returns 0 - * - * Returns 1 disttinct, 0 if equal - */ -static int -xmlRelaxNGCompareElemDefLists(xmlRelaxNGParserCtxtPtr ctxt - ATTRIBUTE_UNUSED, xmlRelaxNGDefinePtr * def1, - xmlRelaxNGDefinePtr * def2) -{ - xmlRelaxNGDefinePtr *basedef2 = def2; - - if ((def1 == NULL) || (def2 == NULL)) - return (1); - if ((*def1 == NULL) || (*def2 == NULL)) - return (1); - while (*def1 != NULL) { - while ((*def2) != NULL) { - if (xmlRelaxNGCompareNameClasses(*def1, *def2) == 0) - return (0); - def2++; - } - def2 = basedef2; - def1++; - } - return (1); -} - -/** - * xmlRelaxNGGenerateAttributes: - * @ctxt: a Relax-NG parser context - * @def: the definition definition - * - * Check if the definition can only generate attributes - * - * Returns 1 if yes, 0 if no and -1 in case of error. - */ -static int -xmlRelaxNGGenerateAttributes(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGDefinePtr def) -{ - xmlRelaxNGDefinePtr parent, cur, tmp; - - /* - * Don't run that check in case of error. Infinite recursion - * becomes possible. - */ - if (ctxt->nbErrors != 0) - return (-1); - - parent = NULL; - cur = def; - while (cur != NULL) { - if ((cur->type == XML_RELAXNG_ELEMENT) || - (cur->type == XML_RELAXNG_TEXT) || - (cur->type == XML_RELAXNG_DATATYPE) || - (cur->type == XML_RELAXNG_PARAM) || - (cur->type == XML_RELAXNG_LIST) || - (cur->type == XML_RELAXNG_VALUE) || - (cur->type == XML_RELAXNG_EMPTY)) - return (0); - if ((cur->type == XML_RELAXNG_CHOICE) || - (cur->type == XML_RELAXNG_INTERLEAVE) || - (cur->type == XML_RELAXNG_GROUP) || - (cur->type == XML_RELAXNG_ONEORMORE) || - (cur->type == XML_RELAXNG_ZEROORMORE) || - (cur->type == XML_RELAXNG_OPTIONAL) || - (cur->type == XML_RELAXNG_PARENTREF) || - (cur->type == XML_RELAXNG_EXTERNALREF) || - (cur->type == XML_RELAXNG_REF) || - (cur->type == XML_RELAXNG_DEF)) { - if (cur->content != NULL) { - parent = cur; - cur = cur->content; - tmp = cur; - while (tmp != NULL) { - tmp->parent = parent; - tmp = tmp->next; - } - continue; - } - } - if (cur == def) - break; - if (cur->next != NULL) { - cur = cur->next; - continue; - } - do { - cur = cur->parent; - if (cur == NULL) - break; - if (cur == def) - return (1); - if (cur->next != NULL) { - cur = cur->next; - break; - } - } while (cur != NULL); - } - return (1); -} - -/** - * xmlRelaxNGGetElements: - * @ctxt: a Relax-NG parser context - * @def: the definition definition - * @eora: gather elements (0) or attributes (1) - * - * Compute the list of top elements a definition can generate - * - * Returns a list of elements or NULL if none was found. - */ -static xmlRelaxNGDefinePtr * -xmlRelaxNGGetElements(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGDefinePtr def, int eora) -{ - xmlRelaxNGDefinePtr *ret = NULL, parent, cur, tmp; - int len = 0; - int max = 0; - - /* - * Don't run that check in case of error. Infinite recursion - * becomes possible. - */ - if (ctxt->nbErrors != 0) - return (NULL); - - parent = NULL; - cur = def; - while (cur != NULL) { - if (((eora == 0) && ((cur->type == XML_RELAXNG_ELEMENT) || - (cur->type == XML_RELAXNG_TEXT))) || - ((eora == 1) && (cur->type == XML_RELAXNG_ATTRIBUTE))) { - if (ret == NULL) { - max = 10; - ret = (xmlRelaxNGDefinePtr *) - xmlMalloc((max + 1) * sizeof(xmlRelaxNGDefinePtr)); - if (ret == NULL) { - xmlRngPErrMemory(ctxt, "getting element list\n"); - return (NULL); - } - } else if (max <= len) { - xmlRelaxNGDefinePtr *temp; - - max *= 2; - temp = xmlRealloc(ret, - (max + 1) * sizeof(xmlRelaxNGDefinePtr)); - if (temp == NULL) { - xmlRngPErrMemory(ctxt, "getting element list\n"); - xmlFree(ret); - return (NULL); - } - ret = temp; - } - ret[len++] = cur; - ret[len] = NULL; - } else if ((cur->type == XML_RELAXNG_CHOICE) || - (cur->type == XML_RELAXNG_INTERLEAVE) || - (cur->type == XML_RELAXNG_GROUP) || - (cur->type == XML_RELAXNG_ONEORMORE) || - (cur->type == XML_RELAXNG_ZEROORMORE) || - (cur->type == XML_RELAXNG_OPTIONAL) || - (cur->type == XML_RELAXNG_PARENTREF) || - (cur->type == XML_RELAXNG_REF) || - (cur->type == XML_RELAXNG_DEF) || - (cur->type == XML_RELAXNG_EXTERNALREF)) { - /* - * Don't go within elements or attributes or string values. - * Just gather the element top list - */ - if (cur->content != NULL) { - parent = cur; - cur = cur->content; - tmp = cur; - while (tmp != NULL) { - tmp->parent = parent; - tmp = tmp->next; - } - continue; - } - } - if (cur == def) - break; - if (cur->next != NULL) { - cur = cur->next; - continue; - } - do { - cur = cur->parent; - if (cur == NULL) - break; - if (cur == def) - return (ret); - if (cur->next != NULL) { - cur = cur->next; - break; - } - } while (cur != NULL); - } - return (ret); -} - -/** - * xmlRelaxNGCheckChoiceDeterminism: - * @ctxt: a Relax-NG parser context - * @def: the choice definition - * - * Also used to find indeterministic pattern in choice - */ -static void -xmlRelaxNGCheckChoiceDeterminism(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGDefinePtr def) -{ - xmlRelaxNGDefinePtr **list; - xmlRelaxNGDefinePtr cur; - int nbchild = 0, i, j, ret; - int is_nullable = 0; - int is_indeterminist = 0; - xmlHashTablePtr triage = NULL; - int is_triable = 1; - - if ((def == NULL) || (def->type != XML_RELAXNG_CHOICE)) - return; - - if (def->dflags & IS_PROCESSED) - return; - - /* - * Don't run that check in case of error. Infinite recursion - * becomes possible. - */ - if (ctxt->nbErrors != 0) - return; - - is_nullable = xmlRelaxNGIsNullable(def); - - cur = def->content; - while (cur != NULL) { - nbchild++; - cur = cur->next; - } - - list = (xmlRelaxNGDefinePtr **) xmlMalloc(nbchild * - sizeof(xmlRelaxNGDefinePtr - *)); - if (list == NULL) { - xmlRngPErrMemory(ctxt, "building choice\n"); - return; - } - i = 0; - /* - * a bit strong but safe - */ - if (is_nullable == 0) { - triage = xmlHashCreate(10); - } else { - is_triable = 0; - } - cur = def->content; - while (cur != NULL) { - list[i] = xmlRelaxNGGetElements(ctxt, cur, 0); - if ((list[i] == NULL) || (list[i][0] == NULL)) { - is_triable = 0; - } else if (is_triable == 1) { - xmlRelaxNGDefinePtr *tmp; - int res; - - tmp = list[i]; - while ((*tmp != NULL) && (is_triable == 1)) { - if ((*tmp)->type == XML_RELAXNG_TEXT) { - res = xmlHashAddEntry2(triage, - BAD_CAST "#text", NULL, - (void *) cur); - if (res != 0) - is_triable = -1; - } else if (((*tmp)->type == XML_RELAXNG_ELEMENT) && - ((*tmp)->name != NULL)) { - if (((*tmp)->ns == NULL) || ((*tmp)->ns[0] == 0)) - res = xmlHashAddEntry2(triage, - (*tmp)->name, NULL, - (void *) cur); - else - res = xmlHashAddEntry2(triage, - (*tmp)->name, (*tmp)->ns, - (void *) cur); - if (res != 0) - is_triable = -1; - } else if ((*tmp)->type == XML_RELAXNG_ELEMENT) { - if (((*tmp)->ns == NULL) || ((*tmp)->ns[0] == 0)) - res = xmlHashAddEntry2(triage, - BAD_CAST "#any", NULL, - (void *) cur); - else - res = xmlHashAddEntry2(triage, - BAD_CAST "#any", (*tmp)->ns, - (void *) cur); - if (res != 0) - is_triable = -1; - } else { - is_triable = -1; - } - tmp++; - } - } - i++; - cur = cur->next; - } - - for (i = 0; i < nbchild; i++) { - if (list[i] == NULL) - continue; - for (j = 0; j < i; j++) { - if (list[j] == NULL) - continue; - ret = xmlRelaxNGCompareElemDefLists(ctxt, list[i], list[j]); - if (ret == 0) { - is_indeterminist = 1; - } - } - } - for (i = 0; i < nbchild; i++) { - if (list[i] != NULL) - xmlFree(list[i]); - } - - xmlFree(list); - if (is_indeterminist) { - def->dflags |= IS_INDETERMINIST; - } - if (is_triable == 1) { - def->dflags |= IS_TRIABLE; - def->data = triage; - } else if (triage != NULL) { - xmlHashFree(triage, NULL); - } - def->dflags |= IS_PROCESSED; -} - -/** - * xmlRelaxNGCheckGroupAttrs: - * @ctxt: a Relax-NG parser context - * @def: the group definition - * - * Detects violations of rule 7.3 - */ -static void -xmlRelaxNGCheckGroupAttrs(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGDefinePtr def) -{ - xmlRelaxNGDefinePtr **list; - xmlRelaxNGDefinePtr cur; - int nbchild = 0, i, j, ret; - - if ((def == NULL) || - ((def->type != XML_RELAXNG_GROUP) && - (def->type != XML_RELAXNG_ELEMENT))) - return; - - if (def->dflags & IS_PROCESSED) - return; - - /* - * Don't run that check in case of error. Infinite recursion - * becomes possible. - */ - if (ctxt->nbErrors != 0) - return; - - cur = def->attrs; - while (cur != NULL) { - nbchild++; - cur = cur->next; - } - cur = def->content; - while (cur != NULL) { - nbchild++; - cur = cur->next; - } - - list = (xmlRelaxNGDefinePtr **) xmlMalloc(nbchild * - sizeof(xmlRelaxNGDefinePtr - *)); - if (list == NULL) { - xmlRngPErrMemory(ctxt, "building group\n"); - return; - } - i = 0; - cur = def->attrs; - while (cur != NULL) { - list[i] = xmlRelaxNGGetElements(ctxt, cur, 1); - i++; - cur = cur->next; - } - cur = def->content; - while (cur != NULL) { - list[i] = xmlRelaxNGGetElements(ctxt, cur, 1); - i++; - cur = cur->next; - } - - for (i = 0; i < nbchild; i++) { - if (list[i] == NULL) - continue; - for (j = 0; j < i; j++) { - if (list[j] == NULL) - continue; - ret = xmlRelaxNGCompareElemDefLists(ctxt, list[i], list[j]); - if (ret == 0) { - xmlRngPErr(ctxt, def->node, XML_RNGP_GROUP_ATTR_CONFLICT, - "Attributes conflicts in group\n", NULL, NULL); - } - } - } - for (i = 0; i < nbchild; i++) { - if (list[i] != NULL) - xmlFree(list[i]); - } - - xmlFree(list); - def->dflags |= IS_PROCESSED; -} - -/** - * xmlRelaxNGComputeInterleaves: - * @def: the interleave definition - * @ctxt: a Relax-NG parser context - * @name: the definition name - * - * A lot of work for preprocessing interleave definitions - * is potentially needed to get a decent execution speed at runtime - * - trying to get a total order on the element nodes generated - * by the interleaves, order the list of interleave definitions - * following that order. - * - if is used to handle mixed content, it is better to - * flag this in the define and simplify the runtime checking - * algorithm - */ -static void -xmlRelaxNGComputeInterleaves(xmlRelaxNGDefinePtr def, - xmlRelaxNGParserCtxtPtr ctxt, - xmlChar * name ATTRIBUTE_UNUSED) -{ - xmlRelaxNGDefinePtr cur, *tmp; - - xmlRelaxNGPartitionPtr partitions = NULL; - xmlRelaxNGInterleaveGroupPtr *groups = NULL; - xmlRelaxNGInterleaveGroupPtr group; - int i, j, ret, res; - int nbgroups = 0; - int nbchild = 0; - int is_mixed = 0; - int is_determinist = 1; - - /* - * Don't run that check in case of error. Infinite recursion - * becomes possible. - */ - if (ctxt->nbErrors != 0) - return; - -#ifdef DEBUG_INTERLEAVE - xmlGenericError(xmlGenericErrorContext, - "xmlRelaxNGComputeInterleaves(%s)\n", name); -#endif - cur = def->content; - while (cur != NULL) { - nbchild++; - cur = cur->next; - } - -#ifdef DEBUG_INTERLEAVE - xmlGenericError(xmlGenericErrorContext, " %d child\n", nbchild); -#endif - groups = (xmlRelaxNGInterleaveGroupPtr *) - xmlMalloc(nbchild * sizeof(xmlRelaxNGInterleaveGroupPtr)); - if (groups == NULL) - goto error; - cur = def->content; - while (cur != NULL) { - groups[nbgroups] = (xmlRelaxNGInterleaveGroupPtr) - xmlMalloc(sizeof(xmlRelaxNGInterleaveGroup)); - if (groups[nbgroups] == NULL) - goto error; - if (cur->type == XML_RELAXNG_TEXT) - is_mixed++; - groups[nbgroups]->rule = cur; - groups[nbgroups]->defs = xmlRelaxNGGetElements(ctxt, cur, 0); - groups[nbgroups]->attrs = xmlRelaxNGGetElements(ctxt, cur, 1); - nbgroups++; - cur = cur->next; - } -#ifdef DEBUG_INTERLEAVE - xmlGenericError(xmlGenericErrorContext, " %d groups\n", nbgroups); -#endif - - /* - * Let's check that all rules makes a partitions according to 7.4 - */ - partitions = (xmlRelaxNGPartitionPtr) - xmlMalloc(sizeof(xmlRelaxNGPartition)); - if (partitions == NULL) - goto error; - memset(partitions, 0, sizeof(xmlRelaxNGPartition)); - partitions->nbgroups = nbgroups; - partitions->triage = xmlHashCreate(nbgroups); - for (i = 0; i < nbgroups; i++) { - group = groups[i]; - for (j = i + 1; j < nbgroups; j++) { - if (groups[j] == NULL) - continue; - - ret = xmlRelaxNGCompareElemDefLists(ctxt, group->defs, - groups[j]->defs); - if (ret == 0) { - xmlRngPErr(ctxt, def->node, XML_RNGP_ELEM_TEXT_CONFLICT, - "Element or text conflicts in interleave\n", - NULL, NULL); - } - ret = xmlRelaxNGCompareElemDefLists(ctxt, group->attrs, - groups[j]->attrs); - if (ret == 0) { - xmlRngPErr(ctxt, def->node, XML_RNGP_ATTR_CONFLICT, - "Attributes conflicts in interleave\n", NULL, - NULL); - } - } - tmp = group->defs; - if ((tmp != NULL) && (*tmp != NULL)) { - while (*tmp != NULL) { - if ((*tmp)->type == XML_RELAXNG_TEXT) { - res = xmlHashAddEntry2(partitions->triage, - BAD_CAST "#text", NULL, - (void *) (long) (i + 1)); - if (res != 0) - is_determinist = -1; - } else if (((*tmp)->type == XML_RELAXNG_ELEMENT) && - ((*tmp)->name != NULL)) { - if (((*tmp)->ns == NULL) || ((*tmp)->ns[0] == 0)) - res = xmlHashAddEntry2(partitions->triage, - (*tmp)->name, NULL, - (void *) (long) (i + 1)); - else - res = xmlHashAddEntry2(partitions->triage, - (*tmp)->name, (*tmp)->ns, - (void *) (long) (i + 1)); - if (res != 0) - is_determinist = -1; - } else if ((*tmp)->type == XML_RELAXNG_ELEMENT) { - if (((*tmp)->ns == NULL) || ((*tmp)->ns[0] == 0)) - res = xmlHashAddEntry2(partitions->triage, - BAD_CAST "#any", NULL, - (void *) (long) (i + 1)); - else - res = xmlHashAddEntry2(partitions->triage, - BAD_CAST "#any", (*tmp)->ns, - (void *) (long) (i + 1)); - if ((*tmp)->nameClass != NULL) - is_determinist = 2; - if (res != 0) - is_determinist = -1; - } else { - is_determinist = -1; - } - tmp++; - } - } else { - is_determinist = 0; - } - } - partitions->groups = groups; - - /* - * and save the partition list back in the def - */ - def->data = partitions; - if (is_mixed != 0) - def->dflags |= IS_MIXED; - if (is_determinist == 1) - partitions->flags = IS_DETERMINIST; - if (is_determinist == 2) - partitions->flags = IS_DETERMINIST | IS_NEEDCHECK; - return; - - error: - xmlRngPErrMemory(ctxt, "in interleave computation\n"); - if (groups != NULL) { - for (i = 0; i < nbgroups; i++) - if (groups[i] != NULL) { - if (groups[i]->defs != NULL) - xmlFree(groups[i]->defs); - xmlFree(groups[i]); - } - xmlFree(groups); - } - xmlRelaxNGFreePartition(partitions); -} - -/** - * xmlRelaxNGParseInterleave: - * @ctxt: a Relax-NG parser context - * @node: the data node. - * - * parse the content of a RelaxNG interleave node. - * - * Returns the definition pointer or NULL in case of error - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGParseInterleave(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGDefinePtr def = NULL; - xmlRelaxNGDefinePtr last = NULL, cur; - xmlNodePtr child; - - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) { - return (NULL); - } - def->type = XML_RELAXNG_INTERLEAVE; - - if (ctxt->interleaves == NULL) - ctxt->interleaves = xmlHashCreate(10); - if (ctxt->interleaves == NULL) { - xmlRngPErrMemory(ctxt, "create interleaves\n"); - } else { - char name[32]; - - snprintf(name, 32, "interleave%d", ctxt->nbInterleaves++); - if (xmlHashAddEntry(ctxt->interleaves, BAD_CAST name, def) < 0) { - xmlRngPErr(ctxt, node, XML_RNGP_INTERLEAVE_ADD, - "Failed to add %s to hash table\n", - (const xmlChar *) name, NULL); - } - } - child = node->children; - if (child == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_INTERLEAVE_NO_CONTENT, - "Element interleave is empty\n", NULL, NULL); - } - while (child != NULL) { - if (IS_RELAXNG(child, "element")) { - cur = xmlRelaxNGParseElement(ctxt, child); - } else { - cur = xmlRelaxNGParsePattern(ctxt, child); - } - if (cur != NULL) { - cur->parent = def; - if (last == NULL) { - def->content = last = cur; - } else { - last->next = cur; - last = cur; - } - } - child = child->next; - } - - return (def); -} - -/** - * xmlRelaxNGParseInclude: - * @ctxt: a Relax-NG parser context - * @node: the include node - * - * Integrate the content of an include node in the current grammar - * - * Returns 0 in case of success or -1 in case of error - */ -static int -xmlRelaxNGParseInclude(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGIncludePtr incl; - xmlNodePtr root; - int ret = 0, tmp; - - incl = node->psvi; - if (incl == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_INCLUDE_EMPTY, - "Include node has no data\n", NULL, NULL); - return (-1); - } - root = xmlDocGetRootElement(incl->doc); - if (root == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EMPTY, "Include document is empty\n", - NULL, NULL); - return (-1); - } - if (!xmlStrEqual(root->name, BAD_CAST "grammar")) { - xmlRngPErr(ctxt, node, XML_RNGP_GRAMMAR_MISSING, - "Include document root is not a grammar\n", NULL, NULL); - return (-1); - } - - /* - * Merge the definition from both the include and the internal list - */ - if (root->children != NULL) { - tmp = xmlRelaxNGParseGrammarContent(ctxt, root->children); - if (tmp != 0) - ret = -1; - } - if (node->children != NULL) { - tmp = xmlRelaxNGParseGrammarContent(ctxt, node->children); - if (tmp != 0) - ret = -1; - } - return (ret); -} - -/** - * xmlRelaxNGParseDefine: - * @ctxt: a Relax-NG parser context - * @node: the define node - * - * parse the content of a RelaxNG define element node. - * - * Returns 0 in case of success or -1 in case of error - */ -static int -xmlRelaxNGParseDefine(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlChar *name; - int ret = 0, tmp; - xmlRelaxNGDefinePtr def; - const xmlChar *olddefine; - - name = xmlGetProp(node, BAD_CAST "name"); - if (name == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_DEFINE_NAME_MISSING, - "define has no name\n", NULL, NULL); - } else { - xmlRelaxNGNormExtSpace(name); - if (xmlValidateNCName(name, 0)) { - xmlRngPErr(ctxt, node, XML_RNGP_INVALID_DEFINE_NAME, - "define name '%s' is not an NCName\n", name, NULL); - } - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) { - xmlFree(name); - return (-1); - } - def->type = XML_RELAXNG_DEF; - def->name = name; - if (node->children == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_DEFINE_EMPTY, - "define has no children\n", NULL, NULL); - } else { - olddefine = ctxt->define; - ctxt->define = name; - def->content = - xmlRelaxNGParsePatterns(ctxt, node->children, 0); - ctxt->define = olddefine; - } - if (ctxt->grammar->defs == NULL) - ctxt->grammar->defs = xmlHashCreate(10); - if (ctxt->grammar->defs == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_DEFINE_CREATE_FAILED, - "Could not create definition hash\n", NULL, NULL); - ret = -1; - } else { - tmp = xmlHashAddEntry(ctxt->grammar->defs, name, def); - if (tmp < 0) { - xmlRelaxNGDefinePtr prev; - - prev = xmlHashLookup(ctxt->grammar->defs, name); - if (prev == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_DEFINE_CREATE_FAILED, - "Internal error on define aggregation of %s\n", - name, NULL); - ret = -1; - } else { - while (prev->nextHash != NULL) - prev = prev->nextHash; - prev->nextHash = def; - } - } - } - } - return (ret); -} - -/** - * xmlRelaxNGParseImportRef: - * @payload: the parser context - * @data: the current grammar - * @name: the reference name - * - * Import import one references into the current grammar - */ -static void -xmlRelaxNGParseImportRef(void *payload, void *data, xmlChar *name) { - xmlRelaxNGParserCtxtPtr ctxt = (xmlRelaxNGParserCtxtPtr) data; - xmlRelaxNGDefinePtr def = (xmlRelaxNGDefinePtr) payload; - int tmp; - - def->dflags |= IS_EXTERNAL_REF; - - tmp = xmlHashAddEntry(ctxt->grammar->refs, name, def); - if (tmp < 0) { - xmlRelaxNGDefinePtr prev; - - prev = (xmlRelaxNGDefinePtr) - xmlHashLookup(ctxt->grammar->refs, def->name); - if (prev == NULL) { - if (def->name != NULL) { - xmlRngPErr(ctxt, NULL, XML_RNGP_REF_CREATE_FAILED, - "Error refs definitions '%s'\n", - def->name, NULL); - } else { - xmlRngPErr(ctxt, NULL, XML_RNGP_REF_CREATE_FAILED, - "Error refs definitions\n", - NULL, NULL); - } - } else { - def->nextHash = prev->nextHash; - prev->nextHash = def; - } - } -} - -/** - * xmlRelaxNGParseImportRefs: - * @ctxt: the parser context - * @grammar: the sub grammar - * - * Import references from the subgrammar into the current grammar - * - * Returns 0 in case of success, -1 in case of failure - */ -static int -xmlRelaxNGParseImportRefs(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGGrammarPtr grammar) { - if ((ctxt == NULL) || (grammar == NULL) || (ctxt->grammar == NULL)) - return(-1); - if (grammar->refs == NULL) - return(0); - if (ctxt->grammar->refs == NULL) - ctxt->grammar->refs = xmlHashCreate(10); - if (ctxt->grammar->refs == NULL) { - xmlRngPErr(ctxt, NULL, XML_RNGP_REF_CREATE_FAILED, - "Could not create references hash\n", NULL, NULL); - return(-1); - } - xmlHashScan(grammar->refs, xmlRelaxNGParseImportRef, ctxt); - return(0); -} - -/** - * xmlRelaxNGProcessExternalRef: - * @ctxt: the parser context - * @node: the externlRef node - * - * Process and compile an externlRef node - * - * Returns the xmlRelaxNGDefinePtr or NULL in case of error - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGProcessExternalRef(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGDocumentPtr docu; - xmlNodePtr root, tmp; - xmlChar *ns; - int newNs = 0, oldflags; - xmlRelaxNGDefinePtr def; - - docu = node->psvi; - if (docu != NULL) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_EXTERNALREF; - - if (docu->content == NULL) { - /* - * Then do the parsing for good - */ - root = xmlDocGetRootElement(docu->doc); - if (root == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EXTERNALREF_EMTPY, - "xmlRelaxNGParse: %s is empty\n", ctxt->URL, - NULL); - return (NULL); - } - /* - * ns transmission rules - */ - ns = xmlGetProp(root, BAD_CAST "ns"); - if (ns == NULL) { - tmp = node; - while ((tmp != NULL) && (tmp->type == XML_ELEMENT_NODE)) { - ns = xmlGetProp(tmp, BAD_CAST "ns"); - if (ns != NULL) { - break; - } - tmp = tmp->parent; - } - if (ns != NULL) { - xmlSetProp(root, BAD_CAST "ns", ns); - newNs = 1; - xmlFree(ns); - } - } else { - xmlFree(ns); - } - - /* - * Parsing to get a precompiled schemas. - */ - oldflags = ctxt->flags; - ctxt->flags |= XML_RELAXNG_IN_EXTERNALREF; - docu->schema = xmlRelaxNGParseDocument(ctxt, root); - ctxt->flags = oldflags; - if ((docu->schema != NULL) && - (docu->schema->topgrammar != NULL)) { - docu->content = docu->schema->topgrammar->start; - if (docu->schema->topgrammar->refs) - xmlRelaxNGParseImportRefs(ctxt, docu->schema->topgrammar); - } - - /* - * the externalRef may be reused in a different ns context - */ - if (newNs == 1) { - xmlUnsetProp(root, BAD_CAST "ns"); - } - } - def->content = docu->content; - } else { - def = NULL; - } - return (def); -} - -/** - * xmlRelaxNGParsePattern: - * @ctxt: a Relax-NG parser context - * @node: the pattern node. - * - * parse the content of a RelaxNG pattern node. - * - * Returns the definition pointer or NULL in case of error or if no - * pattern is generated. - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGParsePattern(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGDefinePtr def = NULL; - - if (node == NULL) { - return (NULL); - } - if (IS_RELAXNG(node, "element")) { - def = xmlRelaxNGParseElement(ctxt, node); - } else if (IS_RELAXNG(node, "attribute")) { - def = xmlRelaxNGParseAttribute(ctxt, node); - } else if (IS_RELAXNG(node, "empty")) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_EMPTY; - if (node->children != NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EMPTY_NOT_EMPTY, - "empty: had a child node\n", NULL, NULL); - } - } else if (IS_RELAXNG(node, "text")) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_TEXT; - if (node->children != NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_TEXT_HAS_CHILD, - "text: had a child node\n", NULL, NULL); - } - } else if (IS_RELAXNG(node, "zeroOrMore")) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_ZEROORMORE; - if (node->children == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EMPTY_CONSTRUCT, - "Element %s is empty\n", node->name, NULL); - } else { - def->content = - xmlRelaxNGParsePatterns(ctxt, node->children, 1); - } - } else if (IS_RELAXNG(node, "oneOrMore")) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_ONEORMORE; - if (node->children == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EMPTY_CONSTRUCT, - "Element %s is empty\n", node->name, NULL); - } else { - def->content = - xmlRelaxNGParsePatterns(ctxt, node->children, 1); - } - } else if (IS_RELAXNG(node, "optional")) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_OPTIONAL; - if (node->children == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EMPTY_CONSTRUCT, - "Element %s is empty\n", node->name, NULL); - } else { - def->content = - xmlRelaxNGParsePatterns(ctxt, node->children, 1); - } - } else if (IS_RELAXNG(node, "choice")) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_CHOICE; - if (node->children == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EMPTY_CONSTRUCT, - "Element %s is empty\n", node->name, NULL); - } else { - def->content = - xmlRelaxNGParsePatterns(ctxt, node->children, 0); - } - } else if (IS_RELAXNG(node, "group")) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_GROUP; - if (node->children == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EMPTY_CONSTRUCT, - "Element %s is empty\n", node->name, NULL); - } else { - def->content = - xmlRelaxNGParsePatterns(ctxt, node->children, 0); - } - } else if (IS_RELAXNG(node, "ref")) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_REF; - def->name = xmlGetProp(node, BAD_CAST "name"); - if (def->name == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_REF_NO_NAME, "ref has no name\n", - NULL, NULL); - } else { - xmlRelaxNGNormExtSpace(def->name); - if (xmlValidateNCName(def->name, 0)) { - xmlRngPErr(ctxt, node, XML_RNGP_REF_NAME_INVALID, - "ref name '%s' is not an NCName\n", def->name, - NULL); - } - } - if (node->children != NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_REF_NOT_EMPTY, "ref is not empty\n", - NULL, NULL); - } - if (ctxt->grammar->refs == NULL) - ctxt->grammar->refs = xmlHashCreate(10); - if (ctxt->grammar->refs == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_REF_CREATE_FAILED, - "Could not create references hash\n", NULL, NULL); - def = NULL; - } else { - int tmp; - - tmp = xmlHashAddEntry(ctxt->grammar->refs, def->name, def); - if (tmp < 0) { - xmlRelaxNGDefinePtr prev; - - prev = (xmlRelaxNGDefinePtr) - xmlHashLookup(ctxt->grammar->refs, def->name); - if (prev == NULL) { - if (def->name != NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_REF_CREATE_FAILED, - "Error refs definitions '%s'\n", - def->name, NULL); - } else { - xmlRngPErr(ctxt, node, XML_RNGP_REF_CREATE_FAILED, - "Error refs definitions\n", - NULL, NULL); - } - def = NULL; - } else { - def->nextHash = prev->nextHash; - prev->nextHash = def; - } - } - } - } else if (IS_RELAXNG(node, "data")) { - def = xmlRelaxNGParseData(ctxt, node); - } else if (IS_RELAXNG(node, "value")) { - def = xmlRelaxNGParseValue(ctxt, node); - } else if (IS_RELAXNG(node, "list")) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_LIST; - if (node->children == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EMPTY_CONSTRUCT, - "Element %s is empty\n", node->name, NULL); - } else { - def->content = - xmlRelaxNGParsePatterns(ctxt, node->children, 0); - } - } else if (IS_RELAXNG(node, "interleave")) { - def = xmlRelaxNGParseInterleave(ctxt, node); - } else if (IS_RELAXNG(node, "externalRef")) { - def = xmlRelaxNGProcessExternalRef(ctxt, node); - } else if (IS_RELAXNG(node, "notAllowed")) { - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_NOT_ALLOWED; - if (node->children != NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_NOTALLOWED_NOT_EMPTY, - "xmlRelaxNGParse: notAllowed element is not empty\n", - NULL, NULL); - } - } else if (IS_RELAXNG(node, "grammar")) { - xmlRelaxNGGrammarPtr grammar, old; - xmlRelaxNGGrammarPtr oldparent; - -#ifdef DEBUG_GRAMMAR - xmlGenericError(xmlGenericErrorContext, - "Found pattern\n"); -#endif - - oldparent = ctxt->parentgrammar; - old = ctxt->grammar; - ctxt->parentgrammar = old; - grammar = xmlRelaxNGParseGrammar(ctxt, node->children); - if (old != NULL) { - ctxt->grammar = old; - ctxt->parentgrammar = oldparent; -#if 0 - if (grammar != NULL) { - grammar->next = old->next; - old->next = grammar; - } -#endif - } - if (grammar != NULL) - def = grammar->start; - else - def = NULL; - } else if (IS_RELAXNG(node, "parentRef")) { - if (ctxt->parentgrammar == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_PARENTREF_NO_PARENT, - "Use of parentRef without a parent grammar\n", NULL, - NULL); - return (NULL); - } - def = xmlRelaxNGNewDefine(ctxt, node); - if (def == NULL) - return (NULL); - def->type = XML_RELAXNG_PARENTREF; - def->name = xmlGetProp(node, BAD_CAST "name"); - if (def->name == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_PARENTREF_NO_NAME, - "parentRef has no name\n", NULL, NULL); - } else { - xmlRelaxNGNormExtSpace(def->name); - if (xmlValidateNCName(def->name, 0)) { - xmlRngPErr(ctxt, node, XML_RNGP_PARENTREF_NAME_INVALID, - "parentRef name '%s' is not an NCName\n", - def->name, NULL); - } - } - if (node->children != NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_PARENTREF_NOT_EMPTY, - "parentRef is not empty\n", NULL, NULL); - } - if (ctxt->parentgrammar->refs == NULL) - ctxt->parentgrammar->refs = xmlHashCreate(10); - if (ctxt->parentgrammar->refs == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_PARENTREF_CREATE_FAILED, - "Could not create references hash\n", NULL, NULL); - def = NULL; - } else if (def->name != NULL) { - int tmp; - - tmp = - xmlHashAddEntry(ctxt->parentgrammar->refs, def->name, def); - if (tmp < 0) { - xmlRelaxNGDefinePtr prev; - - prev = (xmlRelaxNGDefinePtr) - xmlHashLookup(ctxt->parentgrammar->refs, def->name); - if (prev == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_PARENTREF_CREATE_FAILED, - "Internal error parentRef definitions '%s'\n", - def->name, NULL); - def = NULL; - } else { - def->nextHash = prev->nextHash; - prev->nextHash = def; - } - } - } - } else if (IS_RELAXNG(node, "mixed")) { - if (node->children == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EMPTY_CONSTRUCT, "Mixed is empty\n", - NULL, NULL); - def = NULL; - } else { - def = xmlRelaxNGParseInterleave(ctxt, node); - if (def != NULL) { - xmlRelaxNGDefinePtr tmp; - - if ((def->content != NULL) && (def->content->next != NULL)) { - tmp = xmlRelaxNGNewDefine(ctxt, node); - if (tmp != NULL) { - tmp->type = XML_RELAXNG_GROUP; - tmp->content = def->content; - def->content = tmp; - } - } - - tmp = xmlRelaxNGNewDefine(ctxt, node); - if (tmp == NULL) - return (def); - tmp->type = XML_RELAXNG_TEXT; - tmp->next = def->content; - def->content = tmp; - } - } - } else { - xmlRngPErr(ctxt, node, XML_RNGP_UNKNOWN_CONSTRUCT, - "Unexpected node %s is not a pattern\n", node->name, - NULL); - def = NULL; - } - return (def); -} - -/** - * xmlRelaxNGParseAttribute: - * @ctxt: a Relax-NG parser context - * @node: the element node - * - * parse the content of a RelaxNG attribute node. - * - * Returns the definition pointer or NULL in case of error. - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGParseAttribute(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGDefinePtr ret, cur; - xmlNodePtr child; - int old_flags; - - ret = xmlRelaxNGNewDefine(ctxt, node); - if (ret == NULL) - return (NULL); - ret->type = XML_RELAXNG_ATTRIBUTE; - ret->parent = ctxt->def; - child = node->children; - if (child == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_ATTRIBUTE_EMPTY, - "xmlRelaxNGParseattribute: attribute has no children\n", - NULL, NULL); - return (ret); - } - old_flags = ctxt->flags; - ctxt->flags |= XML_RELAXNG_IN_ATTRIBUTE; - cur = xmlRelaxNGParseNameClass(ctxt, child, ret); - if (cur != NULL) - child = child->next; - - if (child != NULL) { - cur = xmlRelaxNGParsePattern(ctxt, child); - if (cur != NULL) { - switch (cur->type) { - case XML_RELAXNG_EMPTY: - case XML_RELAXNG_NOT_ALLOWED: - case XML_RELAXNG_TEXT: - case XML_RELAXNG_ELEMENT: - case XML_RELAXNG_DATATYPE: - case XML_RELAXNG_VALUE: - case XML_RELAXNG_LIST: - case XML_RELAXNG_REF: - case XML_RELAXNG_PARENTREF: - case XML_RELAXNG_EXTERNALREF: - case XML_RELAXNG_DEF: - case XML_RELAXNG_ONEORMORE: - case XML_RELAXNG_ZEROORMORE: - case XML_RELAXNG_OPTIONAL: - case XML_RELAXNG_CHOICE: - case XML_RELAXNG_GROUP: - case XML_RELAXNG_INTERLEAVE: - case XML_RELAXNG_ATTRIBUTE: - ret->content = cur; - cur->parent = ret; - break; - case XML_RELAXNG_START: - case XML_RELAXNG_PARAM: - case XML_RELAXNG_EXCEPT: - xmlRngPErr(ctxt, node, XML_RNGP_ATTRIBUTE_CONTENT, - "attribute has invalid content\n", NULL, - NULL); - break; - case XML_RELAXNG_NOOP: - xmlRngPErr(ctxt, node, XML_RNGP_ATTRIBUTE_NOOP, - "RNG Internal error, noop found in attribute\n", - NULL, NULL); - break; - } - } - child = child->next; - } - if (child != NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_ATTRIBUTE_CHILDREN, - "attribute has multiple children\n", NULL, NULL); - } - ctxt->flags = old_flags; - return (ret); -} - -/** - * xmlRelaxNGParseExceptNameClass: - * @ctxt: a Relax-NG parser context - * @node: the except node - * @attr: 1 if within an attribute, 0 if within an element - * - * parse the content of a RelaxNG nameClass node. - * - * Returns the definition pointer or NULL in case of error. - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGParseExceptNameClass(xmlRelaxNGParserCtxtPtr ctxt, - xmlNodePtr node, int attr) -{ - xmlRelaxNGDefinePtr ret, cur, last = NULL; - xmlNodePtr child; - - if (!IS_RELAXNG(node, "except")) { - xmlRngPErr(ctxt, node, XML_RNGP_EXCEPT_MISSING, - "Expecting an except node\n", NULL, NULL); - return (NULL); - } - if (node->next != NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EXCEPT_MULTIPLE, - "exceptNameClass allows only a single except node\n", - NULL, NULL); - } - if (node->children == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_EXCEPT_EMPTY, "except has no content\n", - NULL, NULL); - return (NULL); - } - - ret = xmlRelaxNGNewDefine(ctxt, node); - if (ret == NULL) - return (NULL); - ret->type = XML_RELAXNG_EXCEPT; - child = node->children; - while (child != NULL) { - cur = xmlRelaxNGNewDefine(ctxt, child); - if (cur == NULL) - break; - if (attr) - cur->type = XML_RELAXNG_ATTRIBUTE; - else - cur->type = XML_RELAXNG_ELEMENT; - - if (xmlRelaxNGParseNameClass(ctxt, child, cur) != NULL) { - if (last == NULL) { - ret->content = cur; - } else { - last->next = cur; - } - last = cur; - } - child = child->next; - } - - return (ret); -} - -/** - * xmlRelaxNGParseNameClass: - * @ctxt: a Relax-NG parser context - * @node: the nameClass node - * @def: the current definition - * - * parse the content of a RelaxNG nameClass node. - * - * Returns the definition pointer or NULL in case of error. - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGParseNameClass(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node, - xmlRelaxNGDefinePtr def) -{ - xmlRelaxNGDefinePtr ret, tmp; - xmlChar *val; - - ret = def; - if ((IS_RELAXNG(node, "name")) || (IS_RELAXNG(node, "anyName")) || - (IS_RELAXNG(node, "nsName"))) { - if ((def->type != XML_RELAXNG_ELEMENT) && - (def->type != XML_RELAXNG_ATTRIBUTE)) { - ret = xmlRelaxNGNewDefine(ctxt, node); - if (ret == NULL) - return (NULL); - ret->parent = def; - if (ctxt->flags & XML_RELAXNG_IN_ATTRIBUTE) - ret->type = XML_RELAXNG_ATTRIBUTE; - else - ret->type = XML_RELAXNG_ELEMENT; - } - } - if (IS_RELAXNG(node, "name")) { - val = xmlNodeGetContent(node); - xmlRelaxNGNormExtSpace(val); - if (xmlValidateNCName(val, 0)) { - if (node->parent != NULL) - xmlRngPErr(ctxt, node, XML_RNGP_ELEMENT_NAME, - "Element %s name '%s' is not an NCName\n", - node->parent->name, val); - else - xmlRngPErr(ctxt, node, XML_RNGP_ELEMENT_NAME, - "name '%s' is not an NCName\n", - val, NULL); - } - ret->name = val; - val = xmlGetProp(node, BAD_CAST "ns"); - ret->ns = val; - if ((ctxt->flags & XML_RELAXNG_IN_ATTRIBUTE) && - (val != NULL) && - (xmlStrEqual(val, BAD_CAST "http://www.w3.org/2000/xmlns"))) { - xmlRngPErr(ctxt, node, XML_RNGP_XML_NS, - "Attribute with namespace '%s' is not allowed\n", - val, NULL); - } - if ((ctxt->flags & XML_RELAXNG_IN_ATTRIBUTE) && - (val != NULL) && - (val[0] == 0) && (xmlStrEqual(ret->name, BAD_CAST "xmlns"))) { - xmlRngPErr(ctxt, node, XML_RNGP_XMLNS_NAME, - "Attribute with QName 'xmlns' is not allowed\n", - val, NULL); - } - } else if (IS_RELAXNG(node, "anyName")) { - ret->name = NULL; - ret->ns = NULL; - if (node->children != NULL) { - ret->nameClass = - xmlRelaxNGParseExceptNameClass(ctxt, node->children, - (def->type == - XML_RELAXNG_ATTRIBUTE)); - } - } else if (IS_RELAXNG(node, "nsName")) { - ret->name = NULL; - ret->ns = xmlGetProp(node, BAD_CAST "ns"); - if (ret->ns == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_NSNAME_NO_NS, - "nsName has no ns attribute\n", NULL, NULL); - } - if ((ctxt->flags & XML_RELAXNG_IN_ATTRIBUTE) && - (ret->ns != NULL) && - (xmlStrEqual - (ret->ns, BAD_CAST "http://www.w3.org/2000/xmlns"))) { - xmlRngPErr(ctxt, node, XML_RNGP_XML_NS, - "Attribute with namespace '%s' is not allowed\n", - ret->ns, NULL); - } - if (node->children != NULL) { - ret->nameClass = - xmlRelaxNGParseExceptNameClass(ctxt, node->children, - (def->type == - XML_RELAXNG_ATTRIBUTE)); - } - } else if (IS_RELAXNG(node, "choice")) { - xmlNodePtr child; - xmlRelaxNGDefinePtr last = NULL; - - ret = xmlRelaxNGNewDefine(ctxt, node); - if (ret == NULL) - return (NULL); - ret->parent = def; - ret->type = XML_RELAXNG_CHOICE; - - if (node->children == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_CHOICE_EMPTY, - "Element choice is empty\n", NULL, NULL); - } else { - - child = node->children; - while (child != NULL) { - tmp = xmlRelaxNGParseNameClass(ctxt, child, ret); - if (tmp != NULL) { - if (last == NULL) { - last = ret->nameClass = tmp; - } else { - last->next = tmp; - last = tmp; - } - } - child = child->next; - } - } - } else { - xmlRngPErr(ctxt, node, XML_RNGP_CHOICE_CONTENT, - "expecting name, anyName, nsName or choice : got %s\n", - (node == NULL ? (const xmlChar *) "nothing" : node->name), - NULL); - return (NULL); - } - if (ret != def) { - if (def->nameClass == NULL) { - def->nameClass = ret; - } else { - tmp = def->nameClass; - while (tmp->next != NULL) { - tmp = tmp->next; - } - tmp->next = ret; - } - } - return (ret); -} - -/** - * xmlRelaxNGParseElement: - * @ctxt: a Relax-NG parser context - * @node: the element node - * - * parse the content of a RelaxNG element node. - * - * Returns the definition pointer or NULL in case of error. - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGParseElement(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGDefinePtr ret, cur, last; - xmlNodePtr child; - const xmlChar *olddefine; - - ret = xmlRelaxNGNewDefine(ctxt, node); - if (ret == NULL) - return (NULL); - ret->type = XML_RELAXNG_ELEMENT; - ret->parent = ctxt->def; - child = node->children; - if (child == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_ELEMENT_EMPTY, - "xmlRelaxNGParseElement: element has no children\n", - NULL, NULL); - return (ret); - } - cur = xmlRelaxNGParseNameClass(ctxt, child, ret); - if (cur != NULL) - child = child->next; - - if (child == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_ELEMENT_NO_CONTENT, - "xmlRelaxNGParseElement: element has no content\n", - NULL, NULL); - return (ret); - } - olddefine = ctxt->define; - ctxt->define = NULL; - last = NULL; - while (child != NULL) { - cur = xmlRelaxNGParsePattern(ctxt, child); - if (cur != NULL) { - cur->parent = ret; - switch (cur->type) { - case XML_RELAXNG_EMPTY: - case XML_RELAXNG_NOT_ALLOWED: - case XML_RELAXNG_TEXT: - case XML_RELAXNG_ELEMENT: - case XML_RELAXNG_DATATYPE: - case XML_RELAXNG_VALUE: - case XML_RELAXNG_LIST: - case XML_RELAXNG_REF: - case XML_RELAXNG_PARENTREF: - case XML_RELAXNG_EXTERNALREF: - case XML_RELAXNG_DEF: - case XML_RELAXNG_ZEROORMORE: - case XML_RELAXNG_ONEORMORE: - case XML_RELAXNG_OPTIONAL: - case XML_RELAXNG_CHOICE: - case XML_RELAXNG_GROUP: - case XML_RELAXNG_INTERLEAVE: - if (last == NULL) { - ret->content = last = cur; - } else { - if ((last->type == XML_RELAXNG_ELEMENT) && - (ret->content == last)) { - ret->content = xmlRelaxNGNewDefine(ctxt, node); - if (ret->content != NULL) { - ret->content->type = XML_RELAXNG_GROUP; - ret->content->content = last; - } else { - ret->content = last; - } - } - last->next = cur; - last = cur; - } - break; - case XML_RELAXNG_ATTRIBUTE: - cur->next = ret->attrs; - ret->attrs = cur; - break; - case XML_RELAXNG_START: - xmlRngPErr(ctxt, node, XML_RNGP_ELEMENT_CONTENT, - "RNG Internal error, start found in element\n", - NULL, NULL); - break; - case XML_RELAXNG_PARAM: - xmlRngPErr(ctxt, node, XML_RNGP_ELEMENT_CONTENT, - "RNG Internal error, param found in element\n", - NULL, NULL); - break; - case XML_RELAXNG_EXCEPT: - xmlRngPErr(ctxt, node, XML_RNGP_ELEMENT_CONTENT, - "RNG Internal error, except found in element\n", - NULL, NULL); - break; - case XML_RELAXNG_NOOP: - xmlRngPErr(ctxt, node, XML_RNGP_ELEMENT_CONTENT, - "RNG Internal error, noop found in element\n", - NULL, NULL); - break; - } - } - child = child->next; - } - ctxt->define = olddefine; - return (ret); -} - -/** - * xmlRelaxNGParsePatterns: - * @ctxt: a Relax-NG parser context - * @nodes: list of nodes - * @group: use an implicit for elements - * - * parse the content of a RelaxNG start node. - * - * Returns the definition pointer or NULL in case of error. - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGParsePatterns(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes, - int group) -{ - xmlRelaxNGDefinePtr def = NULL, last = NULL, cur, parent; - - parent = ctxt->def; - while (nodes != NULL) { - if (IS_RELAXNG(nodes, "element")) { - cur = xmlRelaxNGParseElement(ctxt, nodes); - if (def == NULL) { - def = last = cur; - } else { - if ((group == 1) && (def->type == XML_RELAXNG_ELEMENT) && - (def == last)) { - def = xmlRelaxNGNewDefine(ctxt, nodes); - def->type = XML_RELAXNG_GROUP; - def->content = last; - } - last->next = cur; - last = cur; - } - cur->parent = parent; - } else { - cur = xmlRelaxNGParsePattern(ctxt, nodes); - if (cur != NULL) { - if (def == NULL) { - def = last = cur; - } else { - last->next = cur; - last = cur; - } - } - } - nodes = nodes->next; - } - return (def); -} - -/** - * xmlRelaxNGParseStart: - * @ctxt: a Relax-NG parser context - * @nodes: start children nodes - * - * parse the content of a RelaxNG start node. - * - * Returns 0 in case of success, -1 in case of error - */ -static int -xmlRelaxNGParseStart(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes) -{ - int ret = 0; - xmlRelaxNGDefinePtr def = NULL, last; - - if (nodes == NULL) { - xmlRngPErr(ctxt, nodes, XML_RNGP_START_EMPTY, "start has no children\n", - NULL, NULL); - return (-1); - } - if (IS_RELAXNG(nodes, "empty")) { - def = xmlRelaxNGNewDefine(ctxt, nodes); - if (def == NULL) - return (-1); - def->type = XML_RELAXNG_EMPTY; - if (nodes->children != NULL) { - xmlRngPErr(ctxt, nodes, XML_RNGP_EMPTY_CONTENT, - "element empty is not empty\n", NULL, NULL); - } - } else if (IS_RELAXNG(nodes, "notAllowed")) { - def = xmlRelaxNGNewDefine(ctxt, nodes); - if (def == NULL) - return (-1); - def->type = XML_RELAXNG_NOT_ALLOWED; - if (nodes->children != NULL) { - xmlRngPErr(ctxt, nodes, XML_RNGP_NOTALLOWED_NOT_EMPTY, - "element notAllowed is not empty\n", NULL, NULL); - } - } else { - def = xmlRelaxNGParsePatterns(ctxt, nodes, 1); - } - if (ctxt->grammar->start != NULL) { - last = ctxt->grammar->start; - while (last->next != NULL) - last = last->next; - last->next = def; - } else { - ctxt->grammar->start = def; - } - nodes = nodes->next; - if (nodes != NULL) { - xmlRngPErr(ctxt, nodes, XML_RNGP_START_CONTENT, - "start more than one children\n", NULL, NULL); - return (-1); - } - return (ret); -} - -/** - * xmlRelaxNGParseGrammarContent: - * @ctxt: a Relax-NG parser context - * @nodes: grammar children nodes - * - * parse the content of a RelaxNG grammar node. - * - * Returns 0 in case of success, -1 in case of error - */ -static int -xmlRelaxNGParseGrammarContent(xmlRelaxNGParserCtxtPtr ctxt, - xmlNodePtr nodes) -{ - int ret = 0, tmp; - - if (nodes == NULL) { - xmlRngPErr(ctxt, nodes, XML_RNGP_GRAMMAR_EMPTY, - "grammar has no children\n", NULL, NULL); - return (-1); - } - while (nodes != NULL) { - if (IS_RELAXNG(nodes, "start")) { - if (nodes->children == NULL) { - xmlRngPErr(ctxt, nodes, XML_RNGP_START_EMPTY, - "start has no children\n", NULL, NULL); - } else { - tmp = xmlRelaxNGParseStart(ctxt, nodes->children); - if (tmp != 0) - ret = -1; - } - } else if (IS_RELAXNG(nodes, "define")) { - tmp = xmlRelaxNGParseDefine(ctxt, nodes); - if (tmp != 0) - ret = -1; - } else if (IS_RELAXNG(nodes, "include")) { - tmp = xmlRelaxNGParseInclude(ctxt, nodes); - if (tmp != 0) - ret = -1; - } else { - xmlRngPErr(ctxt, nodes, XML_RNGP_GRAMMAR_CONTENT, - "grammar has unexpected child %s\n", nodes->name, - NULL); - ret = -1; - } - nodes = nodes->next; - } - return (ret); -} - -/** - * xmlRelaxNGCheckReference: - * @ref: the ref - * @ctxt: a Relax-NG parser context - * @name: the name associated to the defines - * - * Applies the 4.17. combine attribute rule for all the define - * element of a given grammar using the same name. - */ -static void -xmlRelaxNGCheckReference(xmlRelaxNGDefinePtr ref, - xmlRelaxNGParserCtxtPtr ctxt, - const xmlChar * name) -{ - xmlRelaxNGGrammarPtr grammar; - xmlRelaxNGDefinePtr def, cur; - - /* - * Those rules don't apply to imported ref from xmlRelaxNGParseImportRef - */ - if (ref->dflags & IS_EXTERNAL_REF) - return; - - grammar = ctxt->grammar; - if (grammar == NULL) { - xmlRngPErr(ctxt, ref->node, XML_ERR_INTERNAL_ERROR, - "Internal error: no grammar in CheckReference %s\n", - name, NULL); - return; - } - if (ref->content != NULL) { - xmlRngPErr(ctxt, ref->node, XML_ERR_INTERNAL_ERROR, - "Internal error: reference has content in CheckReference %s\n", - name, NULL); - return; - } - if (grammar->defs != NULL) { - def = xmlHashLookup(grammar->defs, name); - if (def != NULL) { - cur = ref; - while (cur != NULL) { - cur->content = def; - cur = cur->nextHash; - } - } else { - xmlRngPErr(ctxt, ref->node, XML_RNGP_REF_NO_DEF, - "Reference %s has no matching definition\n", name, - NULL); - } - } else { - xmlRngPErr(ctxt, ref->node, XML_RNGP_REF_NO_DEF, - "Reference %s has no matching definition\n", name, - NULL); - } -} - -/** - * xmlRelaxNGCheckCombine: - * @define: the define(s) list - * @ctxt: a Relax-NG parser context - * @name: the name associated to the defines - * - * Applies the 4.17. combine attribute rule for all the define - * element of a given grammar using the same name. - */ -static void -xmlRelaxNGCheckCombine(xmlRelaxNGDefinePtr define, - xmlRelaxNGParserCtxtPtr ctxt, const xmlChar * name) -{ - xmlChar *combine; - int choiceOrInterleave = -1; - int missing = 0; - xmlRelaxNGDefinePtr cur, last, tmp, tmp2; - - if (define->nextHash == NULL) - return; - cur = define; - while (cur != NULL) { - combine = xmlGetProp(cur->node, BAD_CAST "combine"); - if (combine != NULL) { - if (xmlStrEqual(combine, BAD_CAST "choice")) { - if (choiceOrInterleave == -1) - choiceOrInterleave = 1; - else if (choiceOrInterleave == 0) { - xmlRngPErr(ctxt, define->node, XML_RNGP_DEF_CHOICE_AND_INTERLEAVE, - "Defines for %s use both 'choice' and 'interleave'\n", - name, NULL); - } - } else if (xmlStrEqual(combine, BAD_CAST "interleave")) { - if (choiceOrInterleave == -1) - choiceOrInterleave = 0; - else if (choiceOrInterleave == 1) { - xmlRngPErr(ctxt, define->node, XML_RNGP_DEF_CHOICE_AND_INTERLEAVE, - "Defines for %s use both 'choice' and 'interleave'\n", - name, NULL); - } - } else { - xmlRngPErr(ctxt, define->node, XML_RNGP_UNKNOWN_COMBINE, - "Defines for %s use unknown combine value '%s''\n", - name, combine); - } - xmlFree(combine); - } else { - if (missing == 0) - missing = 1; - else { - xmlRngPErr(ctxt, define->node, XML_RNGP_NEED_COMBINE, - "Some defines for %s needs the combine attribute\n", - name, NULL); - } - } - - cur = cur->nextHash; - } -#ifdef DEBUG - xmlGenericError(xmlGenericErrorContext, - "xmlRelaxNGCheckCombine(): merging %s defines: %d\n", - name, choiceOrInterleave); -#endif - if (choiceOrInterleave == -1) - choiceOrInterleave = 0; - cur = xmlRelaxNGNewDefine(ctxt, define->node); - if (cur == NULL) - return; - if (choiceOrInterleave == 0) - cur->type = XML_RELAXNG_INTERLEAVE; - else - cur->type = XML_RELAXNG_CHOICE; - tmp = define; - last = NULL; - while (tmp != NULL) { - if (tmp->content != NULL) { - if (tmp->content->next != NULL) { - /* - * we need first to create a wrapper. - */ - tmp2 = xmlRelaxNGNewDefine(ctxt, tmp->content->node); - if (tmp2 == NULL) - break; - tmp2->type = XML_RELAXNG_GROUP; - tmp2->content = tmp->content; - } else { - tmp2 = tmp->content; - } - if (last == NULL) { - cur->content = tmp2; - } else { - last->next = tmp2; - } - last = tmp2; - } - tmp->content = cur; - tmp = tmp->nextHash; - } - define->content = cur; - if (choiceOrInterleave == 0) { - if (ctxt->interleaves == NULL) - ctxt->interleaves = xmlHashCreate(10); - if (ctxt->interleaves == NULL) { - xmlRngPErr(ctxt, define->node, XML_RNGP_INTERLEAVE_CREATE_FAILED, - "Failed to create interleaves hash table\n", NULL, - NULL); - } else { - char tmpname[32]; - - snprintf(tmpname, 32, "interleave%d", ctxt->nbInterleaves++); - if (xmlHashAddEntry(ctxt->interleaves, BAD_CAST tmpname, cur) < - 0) { - xmlRngPErr(ctxt, define->node, XML_RNGP_INTERLEAVE_CREATE_FAILED, - "Failed to add %s to hash table\n", - (const xmlChar *) tmpname, NULL); - } - } - } -} - -/** - * xmlRelaxNGCombineStart: - * @ctxt: a Relax-NG parser context - * @grammar: the grammar - * - * Applies the 4.17. combine rule for all the start - * element of a given grammar. - */ -static void -xmlRelaxNGCombineStart(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGGrammarPtr grammar) -{ - xmlRelaxNGDefinePtr starts; - xmlChar *combine; - int choiceOrInterleave = -1; - int missing = 0; - xmlRelaxNGDefinePtr cur; - - starts = grammar->start; - if ((starts == NULL) || (starts->next == NULL)) - return; - cur = starts; - while (cur != NULL) { - if ((cur->node == NULL) || (cur->node->parent == NULL) || - (!xmlStrEqual(cur->node->parent->name, BAD_CAST "start"))) { - combine = NULL; - xmlRngPErr(ctxt, cur->node, XML_RNGP_START_MISSING, - "Internal error: start element not found\n", NULL, - NULL); - } else { - combine = xmlGetProp(cur->node->parent, BAD_CAST "combine"); - } - - if (combine != NULL) { - if (xmlStrEqual(combine, BAD_CAST "choice")) { - if (choiceOrInterleave == -1) - choiceOrInterleave = 1; - else if (choiceOrInterleave == 0) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_START_CHOICE_AND_INTERLEAVE, - " use both 'choice' and 'interleave'\n", - NULL, NULL); - } - } else if (xmlStrEqual(combine, BAD_CAST "interleave")) { - if (choiceOrInterleave == -1) - choiceOrInterleave = 0; - else if (choiceOrInterleave == 1) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_START_CHOICE_AND_INTERLEAVE, - " use both 'choice' and 'interleave'\n", - NULL, NULL); - } - } else { - xmlRngPErr(ctxt, cur->node, XML_RNGP_UNKNOWN_COMBINE, - " uses unknown combine value '%s''\n", - combine, NULL); - } - xmlFree(combine); - } else { - if (missing == 0) - missing = 1; - else { - xmlRngPErr(ctxt, cur->node, XML_RNGP_NEED_COMBINE, - "Some element miss the combine attribute\n", - NULL, NULL); - } - } - - cur = cur->next; - } -#ifdef DEBUG - xmlGenericError(xmlGenericErrorContext, - "xmlRelaxNGCombineStart(): merging : %d\n", - choiceOrInterleave); -#endif - if (choiceOrInterleave == -1) - choiceOrInterleave = 0; - cur = xmlRelaxNGNewDefine(ctxt, starts->node); - if (cur == NULL) - return; - if (choiceOrInterleave == 0) - cur->type = XML_RELAXNG_INTERLEAVE; - else - cur->type = XML_RELAXNG_CHOICE; - cur->content = grammar->start; - grammar->start = cur; - if (choiceOrInterleave == 0) { - if (ctxt->interleaves == NULL) - ctxt->interleaves = xmlHashCreate(10); - if (ctxt->interleaves == NULL) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_INTERLEAVE_CREATE_FAILED, - "Failed to create interleaves hash table\n", NULL, - NULL); - } else { - char tmpname[32]; - - snprintf(tmpname, 32, "interleave%d", ctxt->nbInterleaves++); - if (xmlHashAddEntry(ctxt->interleaves, BAD_CAST tmpname, cur) < - 0) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_INTERLEAVE_CREATE_FAILED, - "Failed to add %s to hash table\n", - (const xmlChar *) tmpname, NULL); - } - } - } -} - -/** - * xmlRelaxNGCheckCycles: - * @ctxt: a Relax-NG parser context - * @nodes: grammar children nodes - * @depth: the counter - * - * Check for cycles. - * - * Returns 0 if check passed, and -1 in case of error - */ -static int -xmlRelaxNGCheckCycles(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGDefinePtr cur, int depth) -{ - int ret = 0; - - while ((ret == 0) && (cur != NULL)) { - if ((cur->type == XML_RELAXNG_REF) || - (cur->type == XML_RELAXNG_PARENTREF)) { - if (cur->depth == -1) { - cur->depth = depth; - ret = xmlRelaxNGCheckCycles(ctxt, cur->content, depth); - cur->depth = -2; - } else if (depth == cur->depth) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_REF_CYCLE, - "Detected a cycle in %s references\n", - cur->name, NULL); - return (-1); - } - } else if (cur->type == XML_RELAXNG_ELEMENT) { - ret = xmlRelaxNGCheckCycles(ctxt, cur->content, depth + 1); - } else { - ret = xmlRelaxNGCheckCycles(ctxt, cur->content, depth); - } - cur = cur->next; - } - return (ret); -} - -/** - * xmlRelaxNGTryUnlink: - * @ctxt: a Relax-NG parser context - * @cur: the definition to unlink - * @parent: the parent definition - * @prev: the previous sibling definition - * - * Try to unlink a definition. If not possble make it a NOOP - * - * Returns the new prev definition - */ -static xmlRelaxNGDefinePtr -xmlRelaxNGTryUnlink(xmlRelaxNGParserCtxtPtr ctxt ATTRIBUTE_UNUSED, - xmlRelaxNGDefinePtr cur, - xmlRelaxNGDefinePtr parent, xmlRelaxNGDefinePtr prev) -{ - if (prev != NULL) { - prev->next = cur->next; - } else { - if (parent != NULL) { - if (parent->content == cur) - parent->content = cur->next; - else if (parent->attrs == cur) - parent->attrs = cur->next; - else if (parent->nameClass == cur) - parent->nameClass = cur->next; - } else { - cur->type = XML_RELAXNG_NOOP; - prev = cur; - } - } - return (prev); -} - -/** - * xmlRelaxNGSimplify: - * @ctxt: a Relax-NG parser context - * @nodes: grammar children nodes - * - * Check for simplification of empty and notAllowed - */ -static void -xmlRelaxNGSimplify(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGDefinePtr cur, xmlRelaxNGDefinePtr parent) -{ - xmlRelaxNGDefinePtr prev = NULL; - - while (cur != NULL) { - if ((cur->type == XML_RELAXNG_REF) || - (cur->type == XML_RELAXNG_PARENTREF)) { - if (cur->depth != -3) { - cur->depth = -3; - xmlRelaxNGSimplify(ctxt, cur->content, cur); - } - } else if (cur->type == XML_RELAXNG_NOT_ALLOWED) { - cur->parent = parent; - if ((parent != NULL) && - ((parent->type == XML_RELAXNG_ATTRIBUTE) || - (parent->type == XML_RELAXNG_LIST) || - (parent->type == XML_RELAXNG_GROUP) || - (parent->type == XML_RELAXNG_INTERLEAVE) || - (parent->type == XML_RELAXNG_ONEORMORE) || - (parent->type == XML_RELAXNG_ZEROORMORE))) { - parent->type = XML_RELAXNG_NOT_ALLOWED; - break; - } - if ((parent != NULL) && (parent->type == XML_RELAXNG_CHOICE)) { - prev = xmlRelaxNGTryUnlink(ctxt, cur, parent, prev); - } else - prev = cur; - } else if (cur->type == XML_RELAXNG_EMPTY) { - cur->parent = parent; - if ((parent != NULL) && - ((parent->type == XML_RELAXNG_ONEORMORE) || - (parent->type == XML_RELAXNG_ZEROORMORE))) { - parent->type = XML_RELAXNG_EMPTY; - break; - } - if ((parent != NULL) && - ((parent->type == XML_RELAXNG_GROUP) || - (parent->type == XML_RELAXNG_INTERLEAVE))) { - prev = xmlRelaxNGTryUnlink(ctxt, cur, parent, prev); - } else - prev = cur; - } else { - cur->parent = parent; - if (cur->content != NULL) - xmlRelaxNGSimplify(ctxt, cur->content, cur); - if ((cur->type != XML_RELAXNG_VALUE) && (cur->attrs != NULL)) - xmlRelaxNGSimplify(ctxt, cur->attrs, cur); - if (cur->nameClass != NULL) - xmlRelaxNGSimplify(ctxt, cur->nameClass, cur); - /* - * On Elements, try to move attribute only generating rules on - * the attrs rules. - */ - if (cur->type == XML_RELAXNG_ELEMENT) { - int attronly; - xmlRelaxNGDefinePtr tmp, pre; - - while (cur->content != NULL) { - attronly = - xmlRelaxNGGenerateAttributes(ctxt, cur->content); - if (attronly == 1) { - /* - * migrate cur->content to attrs - */ - tmp = cur->content; - cur->content = tmp->next; - tmp->next = cur->attrs; - cur->attrs = tmp; - } else { - /* - * cur->content can generate elements or text - */ - break; - } - } - pre = cur->content; - while ((pre != NULL) && (pre->next != NULL)) { - tmp = pre->next; - attronly = xmlRelaxNGGenerateAttributes(ctxt, tmp); - if (attronly == 1) { - /* - * migrate tmp to attrs - */ - pre->next = tmp->next; - tmp->next = cur->attrs; - cur->attrs = tmp; - } else { - pre = tmp; - } - } - } - /* - * This may result in a simplification - */ - if ((cur->type == XML_RELAXNG_GROUP) || - (cur->type == XML_RELAXNG_INTERLEAVE)) { - if (cur->content == NULL) - cur->type = XML_RELAXNG_EMPTY; - else if (cur->content->next == NULL) { - if ((parent == NULL) && (prev == NULL)) { - cur->type = XML_RELAXNG_NOOP; - } else if (prev == NULL) { - parent->content = cur->content; - cur->content->next = cur->next; - cur = cur->content; - } else { - cur->content->next = cur->next; - prev->next = cur->content; - cur = cur->content; - } - } - } - /* - * the current node may have been transformed back - */ - if ((cur->type == XML_RELAXNG_EXCEPT) && - (cur->content != NULL) && - (cur->content->type == XML_RELAXNG_NOT_ALLOWED)) { - prev = xmlRelaxNGTryUnlink(ctxt, cur, parent, prev); - } else if (cur->type == XML_RELAXNG_NOT_ALLOWED) { - if ((parent != NULL) && - ((parent->type == XML_RELAXNG_ATTRIBUTE) || - (parent->type == XML_RELAXNG_LIST) || - (parent->type == XML_RELAXNG_GROUP) || - (parent->type == XML_RELAXNG_INTERLEAVE) || - (parent->type == XML_RELAXNG_ONEORMORE) || - (parent->type == XML_RELAXNG_ZEROORMORE))) { - parent->type = XML_RELAXNG_NOT_ALLOWED; - break; - } - if ((parent != NULL) && - (parent->type == XML_RELAXNG_CHOICE)) { - prev = xmlRelaxNGTryUnlink(ctxt, cur, parent, prev); - } else - prev = cur; - } else if (cur->type == XML_RELAXNG_EMPTY) { - if ((parent != NULL) && - ((parent->type == XML_RELAXNG_ONEORMORE) || - (parent->type == XML_RELAXNG_ZEROORMORE))) { - parent->type = XML_RELAXNG_EMPTY; - break; - } - if ((parent != NULL) && - ((parent->type == XML_RELAXNG_GROUP) || - (parent->type == XML_RELAXNG_INTERLEAVE) || - (parent->type == XML_RELAXNG_CHOICE))) { - prev = xmlRelaxNGTryUnlink(ctxt, cur, parent, prev); - } else - prev = cur; - } else { - prev = cur; - } - } - cur = cur->next; - } -} - -/** - * xmlRelaxNGGroupContentType: - * @ct1: the first content type - * @ct2: the second content type - * - * Try to group 2 content types - * - * Returns the content type - */ -static xmlRelaxNGContentType -xmlRelaxNGGroupContentType(xmlRelaxNGContentType ct1, - xmlRelaxNGContentType ct2) -{ - if ((ct1 == XML_RELAXNG_CONTENT_ERROR) || - (ct2 == XML_RELAXNG_CONTENT_ERROR)) - return (XML_RELAXNG_CONTENT_ERROR); - if (ct1 == XML_RELAXNG_CONTENT_EMPTY) - return (ct2); - if (ct2 == XML_RELAXNG_CONTENT_EMPTY) - return (ct1); - if ((ct1 == XML_RELAXNG_CONTENT_COMPLEX) && - (ct2 == XML_RELAXNG_CONTENT_COMPLEX)) - return (XML_RELAXNG_CONTENT_COMPLEX); - return (XML_RELAXNG_CONTENT_ERROR); -} - -/** - * xmlRelaxNGMaxContentType: - * @ct1: the first content type - * @ct2: the second content type - * - * Compute the max content-type - * - * Returns the content type - */ -static xmlRelaxNGContentType -xmlRelaxNGMaxContentType(xmlRelaxNGContentType ct1, - xmlRelaxNGContentType ct2) -{ - if ((ct1 == XML_RELAXNG_CONTENT_ERROR) || - (ct2 == XML_RELAXNG_CONTENT_ERROR)) - return (XML_RELAXNG_CONTENT_ERROR); - if ((ct1 == XML_RELAXNG_CONTENT_SIMPLE) || - (ct2 == XML_RELAXNG_CONTENT_SIMPLE)) - return (XML_RELAXNG_CONTENT_SIMPLE); - if ((ct1 == XML_RELAXNG_CONTENT_COMPLEX) || - (ct2 == XML_RELAXNG_CONTENT_COMPLEX)) - return (XML_RELAXNG_CONTENT_COMPLEX); - return (XML_RELAXNG_CONTENT_EMPTY); -} - -/** - * xmlRelaxNGCheckRules: - * @ctxt: a Relax-NG parser context - * @cur: the current definition - * @flags: some accumulated flags - * @ptype: the parent type - * - * Check for rules in section 7.1 and 7.2 - * - * Returns the content type of @cur - */ -static xmlRelaxNGContentType -xmlRelaxNGCheckRules(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGDefinePtr cur, int flags, - xmlRelaxNGType ptype) -{ - int nflags; - xmlRelaxNGContentType ret, tmp, val = XML_RELAXNG_CONTENT_EMPTY; - - while (cur != NULL) { - ret = XML_RELAXNG_CONTENT_EMPTY; - if ((cur->type == XML_RELAXNG_REF) || - (cur->type == XML_RELAXNG_PARENTREF)) { - /* - * This should actually be caught by list//element(ref) at the - * element boundaries, c.f. Bug #159968 local refs are dropped - * in step 4.19. - */ -#if 0 - if (flags & XML_RELAXNG_IN_LIST) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_LIST_REF, - "Found forbidden pattern list//ref\n", NULL, - NULL); - } -#endif - if (flags & XML_RELAXNG_IN_DATAEXCEPT) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_DATA_EXCEPT_REF, - "Found forbidden pattern data/except//ref\n", - NULL, NULL); - } - if (cur->content == NULL) { - if (cur->type == XML_RELAXNG_PARENTREF) - xmlRngPErr(ctxt, cur->node, XML_RNGP_REF_NO_DEF, - "Internal found no define for parent refs\n", - NULL, NULL); - else - xmlRngPErr(ctxt, cur->node, XML_RNGP_REF_NO_DEF, - "Internal found no define for ref %s\n", - (cur->name ? cur->name: BAD_CAST "null"), NULL); - } - if (cur->depth > -4) { - cur->depth = -4; - ret = xmlRelaxNGCheckRules(ctxt, cur->content, - flags, cur->type); - cur->depth = ret - 15; - } else if (cur->depth == -4) { - ret = XML_RELAXNG_CONTENT_COMPLEX; - } else { - ret = (xmlRelaxNGContentType) (cur->depth + 15); - } - } else if (cur->type == XML_RELAXNG_ELEMENT) { - /* - * The 7.3 Attribute derivation rule for groups is plugged there - */ - xmlRelaxNGCheckGroupAttrs(ctxt, cur); - if (flags & XML_RELAXNG_IN_DATAEXCEPT) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_DATA_EXCEPT_ELEM, - "Found forbidden pattern data/except//element(ref)\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_LIST) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_LIST_ELEM, - "Found forbidden pattern list//element(ref)\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_ATTRIBUTE) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_ATTR_ELEM, - "Found forbidden pattern attribute//element(ref)\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_ATTRIBUTE) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_ATTR_ELEM, - "Found forbidden pattern attribute//element(ref)\n", - NULL, NULL); - } - /* - * reset since in the simple form elements are only child - * of grammar/define - */ - nflags = 0; - ret = - xmlRelaxNGCheckRules(ctxt, cur->attrs, nflags, cur->type); - if (ret != XML_RELAXNG_CONTENT_EMPTY) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_ELEM_CONTENT_EMPTY, - "Element %s attributes have a content type error\n", - cur->name, NULL); - } - ret = - xmlRelaxNGCheckRules(ctxt, cur->content, nflags, - cur->type); - if (ret == XML_RELAXNG_CONTENT_ERROR) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_ELEM_CONTENT_ERROR, - "Element %s has a content type error\n", - cur->name, NULL); - } else { - ret = XML_RELAXNG_CONTENT_COMPLEX; - } - } else if (cur->type == XML_RELAXNG_ATTRIBUTE) { - if (flags & XML_RELAXNG_IN_ATTRIBUTE) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_ATTR_ATTR, - "Found forbidden pattern attribute//attribute\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_LIST) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_LIST_ATTR, - "Found forbidden pattern list//attribute\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_OOMGROUP) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_ONEMORE_GROUP_ATTR, - "Found forbidden pattern oneOrMore//group//attribute\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_OOMINTERLEAVE) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_ONEMORE_INTERLEAVE_ATTR, - "Found forbidden pattern oneOrMore//interleave//attribute\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_DATAEXCEPT) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_DATA_EXCEPT_ATTR, - "Found forbidden pattern data/except//attribute\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_START) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_START_ATTR, - "Found forbidden pattern start//attribute\n", - NULL, NULL); - } - if ((!(flags & XML_RELAXNG_IN_ONEORMORE)) - && (cur->name == NULL)) { - if (cur->ns == NULL) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_ANYNAME_ATTR_ANCESTOR, - "Found anyName attribute without oneOrMore ancestor\n", - NULL, NULL); - } else { - xmlRngPErr(ctxt, cur->node, XML_RNGP_NSNAME_ATTR_ANCESTOR, - "Found nsName attribute without oneOrMore ancestor\n", - NULL, NULL); - } - } - nflags = flags | XML_RELAXNG_IN_ATTRIBUTE; - xmlRelaxNGCheckRules(ctxt, cur->content, nflags, cur->type); - ret = XML_RELAXNG_CONTENT_EMPTY; - } else if ((cur->type == XML_RELAXNG_ONEORMORE) || - (cur->type == XML_RELAXNG_ZEROORMORE)) { - if (flags & XML_RELAXNG_IN_DATAEXCEPT) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_DATA_EXCEPT_ONEMORE, - "Found forbidden pattern data/except//oneOrMore\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_START) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_START_ONEMORE, - "Found forbidden pattern start//oneOrMore\n", - NULL, NULL); - } - nflags = flags | XML_RELAXNG_IN_ONEORMORE; - ret = - xmlRelaxNGCheckRules(ctxt, cur->content, nflags, - cur->type); - ret = xmlRelaxNGGroupContentType(ret, ret); - } else if (cur->type == XML_RELAXNG_LIST) { - if (flags & XML_RELAXNG_IN_LIST) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_LIST_LIST, - "Found forbidden pattern list//list\n", NULL, - NULL); - } - if (flags & XML_RELAXNG_IN_DATAEXCEPT) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_DATA_EXCEPT_LIST, - "Found forbidden pattern data/except//list\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_START) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_START_LIST, - "Found forbidden pattern start//list\n", NULL, - NULL); - } - nflags = flags | XML_RELAXNG_IN_LIST; - ret = - xmlRelaxNGCheckRules(ctxt, cur->content, nflags, - cur->type); - } else if (cur->type == XML_RELAXNG_GROUP) { - if (flags & XML_RELAXNG_IN_DATAEXCEPT) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_DATA_EXCEPT_GROUP, - "Found forbidden pattern data/except//group\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_START) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_START_GROUP, - "Found forbidden pattern start//group\n", NULL, - NULL); - } - if (flags & XML_RELAXNG_IN_ONEORMORE) - nflags = flags | XML_RELAXNG_IN_OOMGROUP; - else - nflags = flags; - ret = - xmlRelaxNGCheckRules(ctxt, cur->content, nflags, - cur->type); - /* - * The 7.3 Attribute derivation rule for groups is plugged there - */ - xmlRelaxNGCheckGroupAttrs(ctxt, cur); - } else if (cur->type == XML_RELAXNG_INTERLEAVE) { - if (flags & XML_RELAXNG_IN_LIST) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_LIST_INTERLEAVE, - "Found forbidden pattern list//interleave\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_DATAEXCEPT) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_DATA_EXCEPT_INTERLEAVE, - "Found forbidden pattern data/except//interleave\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_START) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_DATA_EXCEPT_INTERLEAVE, - "Found forbidden pattern start//interleave\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_ONEORMORE) - nflags = flags | XML_RELAXNG_IN_OOMINTERLEAVE; - else - nflags = flags; - ret = - xmlRelaxNGCheckRules(ctxt, cur->content, nflags, - cur->type); - } else if (cur->type == XML_RELAXNG_EXCEPT) { - if ((cur->parent != NULL) && - (cur->parent->type == XML_RELAXNG_DATATYPE)) - nflags = flags | XML_RELAXNG_IN_DATAEXCEPT; - else - nflags = flags; - ret = - xmlRelaxNGCheckRules(ctxt, cur->content, nflags, - cur->type); - } else if (cur->type == XML_RELAXNG_DATATYPE) { - if (flags & XML_RELAXNG_IN_START) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_START_DATA, - "Found forbidden pattern start//data\n", NULL, - NULL); - } - xmlRelaxNGCheckRules(ctxt, cur->content, flags, cur->type); - ret = XML_RELAXNG_CONTENT_SIMPLE; - } else if (cur->type == XML_RELAXNG_VALUE) { - if (flags & XML_RELAXNG_IN_START) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_START_VALUE, - "Found forbidden pattern start//value\n", NULL, - NULL); - } - xmlRelaxNGCheckRules(ctxt, cur->content, flags, cur->type); - ret = XML_RELAXNG_CONTENT_SIMPLE; - } else if (cur->type == XML_RELAXNG_TEXT) { - if (flags & XML_RELAXNG_IN_LIST) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_LIST_TEXT, - "Found forbidden pattern list//text\n", NULL, - NULL); - } - if (flags & XML_RELAXNG_IN_DATAEXCEPT) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_DATA_EXCEPT_TEXT, - "Found forbidden pattern data/except//text\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_START) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_START_TEXT, - "Found forbidden pattern start//text\n", NULL, - NULL); - } - ret = XML_RELAXNG_CONTENT_COMPLEX; - } else if (cur->type == XML_RELAXNG_EMPTY) { - if (flags & XML_RELAXNG_IN_DATAEXCEPT) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_DATA_EXCEPT_EMPTY, - "Found forbidden pattern data/except//empty\n", - NULL, NULL); - } - if (flags & XML_RELAXNG_IN_START) { - xmlRngPErr(ctxt, cur->node, XML_RNGP_PAT_START_EMPTY, - "Found forbidden pattern start//empty\n", NULL, - NULL); - } - ret = XML_RELAXNG_CONTENT_EMPTY; - } else if (cur->type == XML_RELAXNG_CHOICE) { - xmlRelaxNGCheckChoiceDeterminism(ctxt, cur); - ret = - xmlRelaxNGCheckRules(ctxt, cur->content, flags, cur->type); - } else { - ret = - xmlRelaxNGCheckRules(ctxt, cur->content, flags, cur->type); - } - cur = cur->next; - if (ptype == XML_RELAXNG_GROUP) { - val = xmlRelaxNGGroupContentType(val, ret); - } else if (ptype == XML_RELAXNG_INTERLEAVE) { - /* - * TODO: scan complain that tmp is never used, seems on purpose - * need double-checking - */ - tmp = xmlRelaxNGGroupContentType(val, ret); - if (tmp != XML_RELAXNG_CONTENT_ERROR) - tmp = xmlRelaxNGMaxContentType(val, ret); - } else if (ptype == XML_RELAXNG_CHOICE) { - val = xmlRelaxNGMaxContentType(val, ret); - } else if (ptype == XML_RELAXNG_LIST) { - val = XML_RELAXNG_CONTENT_SIMPLE; - } else if (ptype == XML_RELAXNG_EXCEPT) { - if (ret == XML_RELAXNG_CONTENT_ERROR) - val = XML_RELAXNG_CONTENT_ERROR; - else - val = XML_RELAXNG_CONTENT_SIMPLE; - } else { - val = xmlRelaxNGGroupContentType(val, ret); - } - - } - return (val); -} - -/** - * xmlRelaxNGParseGrammar: - * @ctxt: a Relax-NG parser context - * @nodes: grammar children nodes - * - * parse a Relax-NG node - * - * Returns the internal xmlRelaxNGGrammarPtr built or - * NULL in case of error - */ -static xmlRelaxNGGrammarPtr -xmlRelaxNGParseGrammar(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes) -{ - xmlRelaxNGGrammarPtr ret, tmp, old; - -#ifdef DEBUG_GRAMMAR - xmlGenericError(xmlGenericErrorContext, "Parsing a new grammar\n"); -#endif - - ret = xmlRelaxNGNewGrammar(ctxt); - if (ret == NULL) - return (NULL); - - /* - * Link the new grammar in the tree - */ - ret->parent = ctxt->grammar; - if (ctxt->grammar != NULL) { - tmp = ctxt->grammar->children; - if (tmp == NULL) { - ctxt->grammar->children = ret; - } else { - while (tmp->next != NULL) - tmp = tmp->next; - tmp->next = ret; - } - } - - old = ctxt->grammar; - ctxt->grammar = ret; - xmlRelaxNGParseGrammarContent(ctxt, nodes); - ctxt->grammar = ret; - if (ctxt->grammar == NULL) { - xmlRngPErr(ctxt, nodes, XML_RNGP_GRAMMAR_CONTENT, - "Failed to parse content\n", NULL, NULL); - } else if (ctxt->grammar->start == NULL) { - xmlRngPErr(ctxt, nodes, XML_RNGP_GRAMMAR_NO_START, - "Element has no \n", NULL, NULL); - } - - /* - * Apply 4.17 merging rules to defines and starts - */ - xmlRelaxNGCombineStart(ctxt, ret); - if (ret->defs != NULL) { - xmlHashScan(ret->defs, (xmlHashScanner) xmlRelaxNGCheckCombine, - ctxt); - } - - /* - * link together defines and refs in this grammar - */ - if (ret->refs != NULL) { - xmlHashScan(ret->refs, (xmlHashScanner) xmlRelaxNGCheckReference, - ctxt); - } - - - /* @@@@ */ - - ctxt->grammar = old; - return (ret); -} - -/** - * xmlRelaxNGParseDocument: - * @ctxt: a Relax-NG parser context - * @node: the root node of the RelaxNG schema - * - * parse a Relax-NG definition resource and build an internal - * xmlRelaxNG struture which can be used to validate instances. - * - * Returns the internal XML RelaxNG structure built or - * NULL in case of error - */ -static xmlRelaxNGPtr -xmlRelaxNGParseDocument(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlRelaxNGPtr schema = NULL; - const xmlChar *olddefine; - xmlRelaxNGGrammarPtr old; - - if ((ctxt == NULL) || (node == NULL)) - return (NULL); - - schema = xmlRelaxNGNewRelaxNG(ctxt); - if (schema == NULL) - return (NULL); - - olddefine = ctxt->define; - ctxt->define = NULL; - if (IS_RELAXNG(node, "grammar")) { - schema->topgrammar = xmlRelaxNGParseGrammar(ctxt, node->children); - if (schema->topgrammar == NULL) { - xmlRelaxNGFree(schema); - return (NULL); - } - } else { - xmlRelaxNGGrammarPtr tmp, ret; - - schema->topgrammar = ret = xmlRelaxNGNewGrammar(ctxt); - if (schema->topgrammar == NULL) { - xmlRelaxNGFree(schema); - return (NULL); - } - /* - * Link the new grammar in the tree - */ - ret->parent = ctxt->grammar; - if (ctxt->grammar != NULL) { - tmp = ctxt->grammar->children; - if (tmp == NULL) { - ctxt->grammar->children = ret; - } else { - while (tmp->next != NULL) - tmp = tmp->next; - tmp->next = ret; - } - } - old = ctxt->grammar; - ctxt->grammar = ret; - xmlRelaxNGParseStart(ctxt, node); - if (old != NULL) - ctxt->grammar = old; - } - ctxt->define = olddefine; - if (schema->topgrammar->start != NULL) { - xmlRelaxNGCheckCycles(ctxt, schema->topgrammar->start, 0); - if ((ctxt->flags & XML_RELAXNG_IN_EXTERNALREF) == 0) { - xmlRelaxNGSimplify(ctxt, schema->topgrammar->start, NULL); - while ((schema->topgrammar->start != NULL) && - (schema->topgrammar->start->type == XML_RELAXNG_NOOP) && - (schema->topgrammar->start->next != NULL)) - schema->topgrammar->start = - schema->topgrammar->start->content; - xmlRelaxNGCheckRules(ctxt, schema->topgrammar->start, - XML_RELAXNG_IN_START, XML_RELAXNG_NOOP); - } - } -#ifdef DEBUG - if (schema == NULL) - xmlGenericError(xmlGenericErrorContext, - "xmlRelaxNGParseDocument() failed\n"); -#endif - - return (schema); -} - -/************************************************************************ - * * - * Reading RelaxNGs * - * * - ************************************************************************/ - -/** - * xmlRelaxNGNewParserCtxt: - * @URL: the location of the schema - * - * Create an XML RelaxNGs parse context for that file/resource expected - * to contain an XML RelaxNGs file. - * - * Returns the parser context or NULL in case of error - */ -xmlRelaxNGParserCtxtPtr -xmlRelaxNGNewParserCtxt(const char *URL) -{ - xmlRelaxNGParserCtxtPtr ret; - - if (URL == NULL) - return (NULL); - - ret = - (xmlRelaxNGParserCtxtPtr) xmlMalloc(sizeof(xmlRelaxNGParserCtxt)); - if (ret == NULL) { - xmlRngPErrMemory(NULL, "building parser\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNGParserCtxt)); - ret->URL = xmlStrdup((const xmlChar *) URL); - ret->error = xmlGenericError; - ret->userData = xmlGenericErrorContext; - return (ret); -} - -/** - * xmlRelaxNGNewMemParserCtxt: - * @buffer: a pointer to a char array containing the schemas - * @size: the size of the array - * - * Create an XML RelaxNGs parse context for that memory buffer expected - * to contain an XML RelaxNGs file. - * - * Returns the parser context or NULL in case of error - */ -xmlRelaxNGParserCtxtPtr -xmlRelaxNGNewMemParserCtxt(const char *buffer, int size) -{ - xmlRelaxNGParserCtxtPtr ret; - - if ((buffer == NULL) || (size <= 0)) - return (NULL); - - ret = - (xmlRelaxNGParserCtxtPtr) xmlMalloc(sizeof(xmlRelaxNGParserCtxt)); - if (ret == NULL) { - xmlRngPErrMemory(NULL, "building parser\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNGParserCtxt)); - ret->buffer = buffer; - ret->size = size; - ret->error = xmlGenericError; - ret->userData = xmlGenericErrorContext; - return (ret); -} - -/** - * xmlRelaxNGNewDocParserCtxt: - * @doc: a preparsed document tree - * - * Create an XML RelaxNGs parser context for that document. - * Note: since the process of compiling a RelaxNG schemas modifies the - * document, the @doc parameter is duplicated internally. - * - * Returns the parser context or NULL in case of error - */ -xmlRelaxNGParserCtxtPtr -xmlRelaxNGNewDocParserCtxt(xmlDocPtr doc) -{ - xmlRelaxNGParserCtxtPtr ret; - xmlDocPtr copy; - - if (doc == NULL) - return (NULL); - copy = xmlCopyDoc(doc, 1); - if (copy == NULL) - return (NULL); - - ret = - (xmlRelaxNGParserCtxtPtr) xmlMalloc(sizeof(xmlRelaxNGParserCtxt)); - if (ret == NULL) { - xmlRngPErrMemory(NULL, "building parser\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNGParserCtxt)); - ret->document = copy; - ret->freedoc = 1; - ret->userData = xmlGenericErrorContext; - return (ret); -} - -/** - * xmlRelaxNGFreeParserCtxt: - * @ctxt: the schema parser context - * - * Free the resources associated to the schema parser context - */ -void -xmlRelaxNGFreeParserCtxt(xmlRelaxNGParserCtxtPtr ctxt) -{ - if (ctxt == NULL) - return; - if (ctxt->URL != NULL) - xmlFree(ctxt->URL); - if (ctxt->doc != NULL) - xmlRelaxNGFreeDocument(ctxt->doc); - if (ctxt->interleaves != NULL) - xmlHashFree(ctxt->interleaves, NULL); - if (ctxt->documents != NULL) - xmlRelaxNGFreeDocumentList(ctxt->documents); - if (ctxt->includes != NULL) - xmlRelaxNGFreeIncludeList(ctxt->includes); - if (ctxt->docTab != NULL) - xmlFree(ctxt->docTab); - if (ctxt->incTab != NULL) - xmlFree(ctxt->incTab); - if (ctxt->defTab != NULL) { - int i; - - for (i = 0; i < ctxt->defNr; i++) - xmlRelaxNGFreeDefine(ctxt->defTab[i]); - xmlFree(ctxt->defTab); - } - if ((ctxt->document != NULL) && (ctxt->freedoc)) - xmlFreeDoc(ctxt->document); - xmlFree(ctxt); -} - -/** - * xmlRelaxNGNormExtSpace: - * @value: a value - * - * Removes the leading and ending spaces of the value - * The string is modified "in situ" - */ -static void -xmlRelaxNGNormExtSpace(xmlChar * value) -{ - xmlChar *start = value; - xmlChar *cur = value; - - if (value == NULL) - return; - - while (IS_BLANK_CH(*cur)) - cur++; - if (cur == start) { - do { - while ((*cur != 0) && (!IS_BLANK_CH(*cur))) - cur++; - if (*cur == 0) - return; - start = cur; - while (IS_BLANK_CH(*cur)) - cur++; - if (*cur == 0) { - *start = 0; - return; - } - } while (1); - } else { - do { - while ((*cur != 0) && (!IS_BLANK_CH(*cur))) - *start++ = *cur++; - if (*cur == 0) { - *start = 0; - return; - } - /* don't try to normalize the inner spaces */ - while (IS_BLANK_CH(*cur)) - cur++; - if (*cur == 0) { - *start = 0; - return; - } - *start++ = *cur++; - } while (1); - } -} - -/** - * xmlRelaxNGCleanupAttributes: - * @ctxt: a Relax-NG parser context - * @node: a Relax-NG node - * - * Check all the attributes on the given node - */ -static void -xmlRelaxNGCleanupAttributes(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlAttrPtr cur, next; - - cur = node->properties; - while (cur != NULL) { - next = cur->next; - if ((cur->ns == NULL) || - (xmlStrEqual(cur->ns->href, xmlRelaxNGNs))) { - if (xmlStrEqual(cur->name, BAD_CAST "name")) { - if ((!xmlStrEqual(node->name, BAD_CAST "element")) && - (!xmlStrEqual(node->name, BAD_CAST "attribute")) && - (!xmlStrEqual(node->name, BAD_CAST "ref")) && - (!xmlStrEqual(node->name, BAD_CAST "parentRef")) && - (!xmlStrEqual(node->name, BAD_CAST "param")) && - (!xmlStrEqual(node->name, BAD_CAST "define"))) { - xmlRngPErr(ctxt, node, XML_RNGP_FORBIDDEN_ATTRIBUTE, - "Attribute %s is not allowed on %s\n", - cur->name, node->name); - } - } else if (xmlStrEqual(cur->name, BAD_CAST "type")) { - if ((!xmlStrEqual(node->name, BAD_CAST "value")) && - (!xmlStrEqual(node->name, BAD_CAST "data"))) { - xmlRngPErr(ctxt, node, XML_RNGP_FORBIDDEN_ATTRIBUTE, - "Attribute %s is not allowed on %s\n", - cur->name, node->name); - } - } else if (xmlStrEqual(cur->name, BAD_CAST "href")) { - if ((!xmlStrEqual(node->name, BAD_CAST "externalRef")) && - (!xmlStrEqual(node->name, BAD_CAST "include"))) { - xmlRngPErr(ctxt, node, XML_RNGP_FORBIDDEN_ATTRIBUTE, - "Attribute %s is not allowed on %s\n", - cur->name, node->name); - } - } else if (xmlStrEqual(cur->name, BAD_CAST "combine")) { - if ((!xmlStrEqual(node->name, BAD_CAST "start")) && - (!xmlStrEqual(node->name, BAD_CAST "define"))) { - xmlRngPErr(ctxt, node, XML_RNGP_FORBIDDEN_ATTRIBUTE, - "Attribute %s is not allowed on %s\n", - cur->name, node->name); - } - } else if (xmlStrEqual(cur->name, BAD_CAST "datatypeLibrary")) { - xmlChar *val; - xmlURIPtr uri; - - val = xmlNodeListGetString(node->doc, cur->children, 1); - if (val != NULL) { - if (val[0] != 0) { - uri = xmlParseURI((const char *) val); - if (uri == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_INVALID_URI, - "Attribute %s contains invalid URI %s\n", - cur->name, val); - } else { - if (uri->scheme == NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_URI_NOT_ABSOLUTE, - "Attribute %s URI %s is not absolute\n", - cur->name, val); - } - if (uri->fragment != NULL) { - xmlRngPErr(ctxt, node, XML_RNGP_URI_FRAGMENT, - "Attribute %s URI %s has a fragment ID\n", - cur->name, val); - } - xmlFreeURI(uri); - } - } - xmlFree(val); - } - } else if (!xmlStrEqual(cur->name, BAD_CAST "ns")) { - xmlRngPErr(ctxt, node, XML_RNGP_UNKNOWN_ATTRIBUTE, - "Unknown attribute %s on %s\n", cur->name, - node->name); - } - } - cur = next; - } -} - -/** - * xmlRelaxNGCleanupTree: - * @ctxt: a Relax-NG parser context - * @root: an xmlNodePtr subtree - * - * Cleanup the subtree from unwanted nodes for parsing, resolve - * Include and externalRef lookups. - */ -static void -xmlRelaxNGCleanupTree(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr root) -{ - xmlNodePtr cur, delete; - - delete = NULL; - cur = root; - while (cur != NULL) { - if (delete != NULL) { - xmlUnlinkNode(delete); - xmlFreeNode(delete); - delete = NULL; - } - if (cur->type == XML_ELEMENT_NODE) { - /* - * Simplification 4.1. Annotations - */ - if ((cur->ns == NULL) || - (!xmlStrEqual(cur->ns->href, xmlRelaxNGNs))) { - if ((cur->parent != NULL) && - (cur->parent->type == XML_ELEMENT_NODE) && - ((xmlStrEqual(cur->parent->name, BAD_CAST "name")) || - (xmlStrEqual(cur->parent->name, BAD_CAST "value")) || - (xmlStrEqual(cur->parent->name, BAD_CAST "param")))) { - xmlRngPErr(ctxt, cur, XML_RNGP_FOREIGN_ELEMENT, - "element %s doesn't allow foreign elements\n", - cur->parent->name, NULL); - } - delete = cur; - goto skip_children; - } else { - xmlRelaxNGCleanupAttributes(ctxt, cur); - if (xmlStrEqual(cur->name, BAD_CAST "externalRef")) { - xmlChar *href, *ns, *base, *URL; - xmlRelaxNGDocumentPtr docu; - xmlNodePtr tmp; - xmlURIPtr uri; - - ns = xmlGetProp(cur, BAD_CAST "ns"); - if (ns == NULL) { - tmp = cur->parent; - while ((tmp != NULL) && - (tmp->type == XML_ELEMENT_NODE)) { - ns = xmlGetProp(tmp, BAD_CAST "ns"); - if (ns != NULL) - break; - tmp = tmp->parent; - } - } - href = xmlGetProp(cur, BAD_CAST "href"); - if (href == NULL) { - xmlRngPErr(ctxt, cur, XML_RNGP_MISSING_HREF, - "xmlRelaxNGParse: externalRef has no href attribute\n", - NULL, NULL); - if (ns != NULL) - xmlFree(ns); - delete = cur; - goto skip_children; - } - uri = xmlParseURI((const char *) href); - if (uri == NULL) { - xmlRngPErr(ctxt, cur, XML_RNGP_HREF_ERROR, - "Incorrect URI for externalRef %s\n", - href, NULL); - if (ns != NULL) - xmlFree(ns); - if (href != NULL) - xmlFree(href); - delete = cur; - goto skip_children; - } - if (uri->fragment != NULL) { - xmlRngPErr(ctxt, cur, XML_RNGP_HREF_ERROR, - "Fragment forbidden in URI for externalRef %s\n", - href, NULL); - if (ns != NULL) - xmlFree(ns); - xmlFreeURI(uri); - if (href != NULL) - xmlFree(href); - delete = cur; - goto skip_children; - } - xmlFreeURI(uri); - base = xmlNodeGetBase(cur->doc, cur); - URL = xmlBuildURI(href, base); - if (URL == NULL) { - xmlRngPErr(ctxt, cur, XML_RNGP_HREF_ERROR, - "Failed to compute URL for externalRef %s\n", - href, NULL); - if (ns != NULL) - xmlFree(ns); - if (href != NULL) - xmlFree(href); - if (base != NULL) - xmlFree(base); - delete = cur; - goto skip_children; - } - if (href != NULL) - xmlFree(href); - if (base != NULL) - xmlFree(base); - docu = xmlRelaxNGLoadExternalRef(ctxt, URL, ns); - if (docu == NULL) { - xmlRngPErr(ctxt, cur, XML_RNGP_EXTERNAL_REF_FAILURE, - "Failed to load externalRef %s\n", URL, - NULL); - if (ns != NULL) - xmlFree(ns); - xmlFree(URL); - delete = cur; - goto skip_children; - } - if (ns != NULL) - xmlFree(ns); - xmlFree(URL); - cur->psvi = docu; - } else if (xmlStrEqual(cur->name, BAD_CAST "include")) { - xmlChar *href, *ns, *base, *URL; - xmlRelaxNGIncludePtr incl; - xmlNodePtr tmp; - - href = xmlGetProp(cur, BAD_CAST "href"); - if (href == NULL) { - xmlRngPErr(ctxt, cur, XML_RNGP_MISSING_HREF, - "xmlRelaxNGParse: include has no href attribute\n", - NULL, NULL); - delete = cur; - goto skip_children; - } - base = xmlNodeGetBase(cur->doc, cur); - URL = xmlBuildURI(href, base); - if (URL == NULL) { - xmlRngPErr(ctxt, cur, XML_RNGP_HREF_ERROR, - "Failed to compute URL for include %s\n", - href, NULL); - if (href != NULL) - xmlFree(href); - if (base != NULL) - xmlFree(base); - delete = cur; - goto skip_children; - } - if (href != NULL) - xmlFree(href); - if (base != NULL) - xmlFree(base); - ns = xmlGetProp(cur, BAD_CAST "ns"); - if (ns == NULL) { - tmp = cur->parent; - while ((tmp != NULL) && - (tmp->type == XML_ELEMENT_NODE)) { - ns = xmlGetProp(tmp, BAD_CAST "ns"); - if (ns != NULL) - break; - tmp = tmp->parent; - } - } - incl = xmlRelaxNGLoadInclude(ctxt, URL, cur, ns); - if (ns != NULL) - xmlFree(ns); - if (incl == NULL) { - xmlRngPErr(ctxt, cur, XML_RNGP_INCLUDE_FAILURE, - "Failed to load include %s\n", URL, - NULL); - xmlFree(URL); - delete = cur; - goto skip_children; - } - xmlFree(URL); - cur->psvi = incl; - } else if ((xmlStrEqual(cur->name, BAD_CAST "element")) || - (xmlStrEqual(cur->name, BAD_CAST "attribute"))) - { - xmlChar *name, *ns; - xmlNodePtr text = NULL; - - /* - * Simplification 4.8. name attribute of element - * and attribute elements - */ - name = xmlGetProp(cur, BAD_CAST "name"); - if (name != NULL) { - if (cur->children == NULL) { - text = - xmlNewChild(cur, cur->ns, BAD_CAST "name", - name); - } else { - xmlNodePtr node; - - node = xmlNewDocNode(cur->doc, cur->ns, - BAD_CAST "name", NULL); - if (node != NULL) { - xmlAddPrevSibling(cur->children, node); - text = xmlNewText(name); - xmlAddChild(node, text); - text = node; - } - } - if (text == NULL) { - xmlRngPErr(ctxt, cur, XML_RNGP_CREATE_FAILURE, - "Failed to create a name %s element\n", - name, NULL); - } - xmlUnsetProp(cur, BAD_CAST "name"); - xmlFree(name); - ns = xmlGetProp(cur, BAD_CAST "ns"); - if (ns != NULL) { - if (text != NULL) { - xmlSetProp(text, BAD_CAST "ns", ns); - /* xmlUnsetProp(cur, BAD_CAST "ns"); */ - } - xmlFree(ns); - } else if (xmlStrEqual(cur->name, - BAD_CAST "attribute")) { - xmlSetProp(text, BAD_CAST "ns", BAD_CAST ""); - } - } - } else if ((xmlStrEqual(cur->name, BAD_CAST "name")) || - (xmlStrEqual(cur->name, BAD_CAST "nsName")) || - (xmlStrEqual(cur->name, BAD_CAST "value"))) { - /* - * Simplification 4.8. name attribute of element - * and attribute elements - */ - if (xmlHasProp(cur, BAD_CAST "ns") == NULL) { - xmlNodePtr node; - xmlChar *ns = NULL; - - node = cur->parent; - while ((node != NULL) && - (node->type == XML_ELEMENT_NODE)) { - ns = xmlGetProp(node, BAD_CAST "ns"); - if (ns != NULL) { - break; - } - node = node->parent; - } - if (ns == NULL) { - xmlSetProp(cur, BAD_CAST "ns", BAD_CAST ""); - } else { - xmlSetProp(cur, BAD_CAST "ns", ns); - xmlFree(ns); - } - } - if (xmlStrEqual(cur->name, BAD_CAST "name")) { - xmlChar *name, *local, *prefix; - - /* - * Simplification: 4.10. QNames - */ - name = xmlNodeGetContent(cur); - if (name != NULL) { - local = xmlSplitQName2(name, &prefix); - if (local != NULL) { - xmlNsPtr ns; - - ns = xmlSearchNs(cur->doc, cur, prefix); - if (ns == NULL) { - xmlRngPErr(ctxt, cur, - XML_RNGP_PREFIX_UNDEFINED, - "xmlRelaxNGParse: no namespace for prefix %s\n", - prefix, NULL); - } else { - xmlSetProp(cur, BAD_CAST "ns", - ns->href); - xmlNodeSetContent(cur, local); - } - xmlFree(local); - xmlFree(prefix); - } - xmlFree(name); - } - } - /* - * 4.16 - */ - if (xmlStrEqual(cur->name, BAD_CAST "nsName")) { - if (ctxt->flags & XML_RELAXNG_IN_NSEXCEPT) { - xmlRngPErr(ctxt, cur, - XML_RNGP_PAT_NSNAME_EXCEPT_NSNAME, - "Found nsName/except//nsName forbidden construct\n", - NULL, NULL); - } - } - } else if ((xmlStrEqual(cur->name, BAD_CAST "except")) && - (cur != root)) { - int oldflags = ctxt->flags; - - /* - * 4.16 - */ - if ((cur->parent != NULL) && - (xmlStrEqual - (cur->parent->name, BAD_CAST "anyName"))) { - ctxt->flags |= XML_RELAXNG_IN_ANYEXCEPT; - xmlRelaxNGCleanupTree(ctxt, cur); - ctxt->flags = oldflags; - goto skip_children; - } else if ((cur->parent != NULL) && - (xmlStrEqual - (cur->parent->name, BAD_CAST "nsName"))) { - ctxt->flags |= XML_RELAXNG_IN_NSEXCEPT; - xmlRelaxNGCleanupTree(ctxt, cur); - ctxt->flags = oldflags; - goto skip_children; - } - } else if (xmlStrEqual(cur->name, BAD_CAST "anyName")) { - /* - * 4.16 - */ - if (ctxt->flags & XML_RELAXNG_IN_ANYEXCEPT) { - xmlRngPErr(ctxt, cur, - XML_RNGP_PAT_ANYNAME_EXCEPT_ANYNAME, - "Found anyName/except//anyName forbidden construct\n", - NULL, NULL); - } else if (ctxt->flags & XML_RELAXNG_IN_NSEXCEPT) { - xmlRngPErr(ctxt, cur, - XML_RNGP_PAT_NSNAME_EXCEPT_ANYNAME, - "Found nsName/except//anyName forbidden construct\n", - NULL, NULL); - } - } - /* - * This is not an else since "include" is transformed - * into a div - */ - if (xmlStrEqual(cur->name, BAD_CAST "div")) { - xmlChar *ns; - xmlNodePtr child, ins, tmp; - - /* - * implements rule 4.11 - */ - - ns = xmlGetProp(cur, BAD_CAST "ns"); - - child = cur->children; - ins = cur; - while (child != NULL) { - if (ns != NULL) { - if (!xmlHasProp(child, BAD_CAST "ns")) { - xmlSetProp(child, BAD_CAST "ns", ns); - } - } - tmp = child->next; - xmlUnlinkNode(child); - ins = xmlAddNextSibling(ins, child); - child = tmp; - } - if (ns != NULL) - xmlFree(ns); - /* - * Since we are about to delete cur, if its nsDef is non-NULL we - * need to preserve it (it contains the ns definitions for the - * children we just moved). We'll just stick it on to the end - * of cur->parent's list, since it's never going to be re-serialized - * (bug 143738). - */ - if ((cur->nsDef != NULL) && (cur->parent != NULL)) { - xmlNsPtr parDef = (xmlNsPtr)&cur->parent->nsDef; - while (parDef->next != NULL) - parDef = parDef->next; - parDef->next = cur->nsDef; - cur->nsDef = NULL; - } - delete = cur; - goto skip_children; - } - } - } - /* - * Simplification 4.2 whitespaces - */ - else if ((cur->type == XML_TEXT_NODE) || - (cur->type == XML_CDATA_SECTION_NODE)) { - if (IS_BLANK_NODE(cur)) { - if ((cur->parent != NULL) && - (cur->parent->type == XML_ELEMENT_NODE)) { - if ((!xmlStrEqual(cur->parent->name, BAD_CAST "value")) - && - (!xmlStrEqual - (cur->parent->name, BAD_CAST "param"))) - delete = cur; - } else { - delete = cur; - goto skip_children; - } - } - } else { - delete = cur; - goto skip_children; - } - - /* - * Skip to next node - */ - if (cur->children != NULL) { - if ((cur->children->type != XML_ENTITY_DECL) && - (cur->children->type != XML_ENTITY_REF_NODE) && - (cur->children->type != XML_ENTITY_NODE)) { - cur = cur->children; - continue; - } - } - skip_children: - if (cur->next != NULL) { - cur = cur->next; - continue; - } - - do { - cur = cur->parent; - if (cur == NULL) - break; - if (cur == root) { - cur = NULL; - break; - } - if (cur->next != NULL) { - cur = cur->next; - break; - } - } while (cur != NULL); - } - if (delete != NULL) { - xmlUnlinkNode(delete); - xmlFreeNode(delete); - delete = NULL; - } -} - -/** - * xmlRelaxNGCleanupDoc: - * @ctxt: a Relax-NG parser context - * @doc: an xmldocPtr document pointer - * - * Cleanup the document from unwanted nodes for parsing, resolve - * Include and externalRef lookups. - * - * Returns the cleaned up document or NULL in case of error - */ -static xmlDocPtr -xmlRelaxNGCleanupDoc(xmlRelaxNGParserCtxtPtr ctxt, xmlDocPtr doc) -{ - xmlNodePtr root; - - /* - * Extract the root - */ - root = xmlDocGetRootElement(doc); - if (root == NULL) { - xmlRngPErr(ctxt, (xmlNodePtr) doc, XML_RNGP_EMPTY, "xmlRelaxNGParse: %s is empty\n", - ctxt->URL, NULL); - return (NULL); - } - xmlRelaxNGCleanupTree(ctxt, root); - return (doc); -} - -/** - * xmlRelaxNGParse: - * @ctxt: a Relax-NG parser context - * - * parse a schema definition resource and build an internal - * XML Shema struture which can be used to validate instances. - * - * Returns the internal XML RelaxNG structure built from the resource or - * NULL in case of error - */ -xmlRelaxNGPtr -xmlRelaxNGParse(xmlRelaxNGParserCtxtPtr ctxt) -{ - xmlRelaxNGPtr ret = NULL; - xmlDocPtr doc; - xmlNodePtr root; - - xmlRelaxNGInitTypes(); - - if (ctxt == NULL) - return (NULL); - - /* - * First step is to parse the input document into an DOM/Infoset - */ - if (ctxt->URL != NULL) { - doc = xmlReadFile((const char *) ctxt->URL,NULL,0); - if (doc == NULL) { - xmlRngPErr(ctxt, NULL, XML_RNGP_PARSE_ERROR, - "xmlRelaxNGParse: could not load %s\n", ctxt->URL, - NULL); - return (NULL); - } - } else if (ctxt->buffer != NULL) { - doc = xmlReadMemory(ctxt->buffer, ctxt->size,NULL,NULL,0); - if (doc == NULL) { - xmlRngPErr(ctxt, NULL, XML_RNGP_PARSE_ERROR, - "xmlRelaxNGParse: could not parse schemas\n", NULL, - NULL); - return (NULL); - } - doc->URL = xmlStrdup(BAD_CAST "in_memory_buffer"); - ctxt->URL = xmlStrdup(BAD_CAST "in_memory_buffer"); - } else if (ctxt->document != NULL) { - doc = ctxt->document; - } else { - xmlRngPErr(ctxt, NULL, XML_RNGP_EMPTY, - "xmlRelaxNGParse: nothing to parse\n", NULL, NULL); - return (NULL); - } - ctxt->document = doc; - - /* - * Some preprocessing of the document content - */ - doc = xmlRelaxNGCleanupDoc(ctxt, doc); - if (doc == NULL) { - xmlFreeDoc(ctxt->document); - ctxt->document = NULL; - return (NULL); - } - - /* - * Then do the parsing for good - */ - root = xmlDocGetRootElement(doc); - if (root == NULL) { - xmlRngPErr(ctxt, (xmlNodePtr) doc, - XML_RNGP_EMPTY, "xmlRelaxNGParse: %s is empty\n", - (ctxt->URL ? ctxt->URL : BAD_CAST "schemas"), NULL); - - xmlFreeDoc(ctxt->document); - ctxt->document = NULL; - return (NULL); - } - ret = xmlRelaxNGParseDocument(ctxt, root); - if (ret == NULL) { - xmlFreeDoc(ctxt->document); - ctxt->document = NULL; - return (NULL); - } - - /* - * Check the ref/defines links - */ - /* - * try to preprocess interleaves - */ - if (ctxt->interleaves != NULL) { - xmlHashScan(ctxt->interleaves, - (xmlHashScanner) xmlRelaxNGComputeInterleaves, ctxt); - } - - /* - * if there was a parsing error return NULL - */ - if (ctxt->nbErrors > 0) { - xmlRelaxNGFree(ret); - ctxt->document = NULL; - xmlFreeDoc(doc); - return (NULL); - } - - /* - * try to compile (parts of) the schemas - */ - if ((ret->topgrammar != NULL) && (ret->topgrammar->start != NULL)) { - if (ret->topgrammar->start->type != XML_RELAXNG_START) { - xmlRelaxNGDefinePtr def; - - def = xmlRelaxNGNewDefine(ctxt, NULL); - if (def != NULL) { - def->type = XML_RELAXNG_START; - def->content = ret->topgrammar->start; - ret->topgrammar->start = def; - } - } - xmlRelaxNGTryCompile(ctxt, ret->topgrammar->start); - } - - /* - * Transfer the pointer for cleanup at the schema level. - */ - ret->doc = doc; - ctxt->document = NULL; - ret->documents = ctxt->documents; - ctxt->documents = NULL; - - ret->includes = ctxt->includes; - ctxt->includes = NULL; - ret->defNr = ctxt->defNr; - ret->defTab = ctxt->defTab; - ctxt->defTab = NULL; - if (ctxt->idref == 1) - ret->idref = 1; - - return (ret); -} - -/** - * xmlRelaxNGSetParserErrors: - * @ctxt: a Relax-NG validation context - * @err: the error callback - * @warn: the warning callback - * @ctx: contextual data for the callbacks - * - * Set the callback functions used to handle errors for a validation context - */ -void -xmlRelaxNGSetParserErrors(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGValidityErrorFunc err, - xmlRelaxNGValidityWarningFunc warn, void *ctx) -{ - if (ctxt == NULL) - return; - ctxt->error = err; - ctxt->warning = warn; - ctxt->serror = NULL; - ctxt->userData = ctx; -} - -/** - * xmlRelaxNGGetParserErrors: - * @ctxt: a Relax-NG validation context - * @err: the error callback result - * @warn: the warning callback result - * @ctx: contextual data for the callbacks result - * - * Get the callback information used to handle errors for a validation context - * - * Returns -1 in case of failure, 0 otherwise. - */ -int -xmlRelaxNGGetParserErrors(xmlRelaxNGParserCtxtPtr ctxt, - xmlRelaxNGValidityErrorFunc * err, - xmlRelaxNGValidityWarningFunc * warn, void **ctx) -{ - if (ctxt == NULL) - return (-1); - if (err != NULL) - *err = ctxt->error; - if (warn != NULL) - *warn = ctxt->warning; - if (ctx != NULL) - *ctx = ctxt->userData; - return (0); -} - -/** - * xmlRelaxNGSetParserStructuredErrors: - * @ctxt: a Relax-NG parser context - * @serror: the error callback - * @ctx: contextual data for the callbacks - * - * Set the callback functions used to handle errors for a parsing context - */ -void -xmlRelaxNGSetParserStructuredErrors(xmlRelaxNGParserCtxtPtr ctxt, - xmlStructuredErrorFunc serror, - void *ctx) -{ - if (ctxt == NULL) - return; - ctxt->serror = serror; - ctxt->error = NULL; - ctxt->warning = NULL; - ctxt->userData = ctx; -} - -#ifdef LIBXML_OUTPUT_ENABLED - -/************************************************************************ - * * - * Dump back a compiled form * - * * - ************************************************************************/ -static void xmlRelaxNGDumpDefine(FILE * output, - xmlRelaxNGDefinePtr define); - -/** - * xmlRelaxNGDumpDefines: - * @output: the file output - * @defines: a list of define structures - * - * Dump a RelaxNG structure back - */ -static void -xmlRelaxNGDumpDefines(FILE * output, xmlRelaxNGDefinePtr defines) -{ - while (defines != NULL) { - xmlRelaxNGDumpDefine(output, defines); - defines = defines->next; - } -} - -/** - * xmlRelaxNGDumpDefine: - * @output: the file output - * @define: a define structure - * - * Dump a RelaxNG structure back - */ -static void -xmlRelaxNGDumpDefine(FILE * output, xmlRelaxNGDefinePtr define) -{ - if (define == NULL) - return; - switch (define->type) { - case XML_RELAXNG_EMPTY: - fprintf(output, "\n"); - break; - case XML_RELAXNG_NOT_ALLOWED: - fprintf(output, "\n"); - break; - case XML_RELAXNG_TEXT: - fprintf(output, "\n"); - break; - case XML_RELAXNG_ELEMENT: - fprintf(output, "\n"); - if (define->name != NULL) { - fprintf(output, "ns != NULL) - fprintf(output, " ns=\"%s\"", define->ns); - fprintf(output, ">%s\n", define->name); - } - xmlRelaxNGDumpDefines(output, define->attrs); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_LIST: - fprintf(output, "\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_ONEORMORE: - fprintf(output, "\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_ZEROORMORE: - fprintf(output, "\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_CHOICE: - fprintf(output, "\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_GROUP: - fprintf(output, "\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_INTERLEAVE: - fprintf(output, "\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_OPTIONAL: - fprintf(output, "\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_ATTRIBUTE: - fprintf(output, "\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_DEF: - fprintf(output, "name != NULL) - fprintf(output, " name=\"%s\"", define->name); - fprintf(output, ">\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_REF: - fprintf(output, "name != NULL) - fprintf(output, " name=\"%s\"", define->name); - fprintf(output, ">\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_PARENTREF: - fprintf(output, "name != NULL) - fprintf(output, " name=\"%s\"", define->name); - fprintf(output, ">\n"); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_EXTERNALREF: - fprintf(output, ""); - xmlRelaxNGDumpDefines(output, define->content); - fprintf(output, "\n"); - break; - case XML_RELAXNG_DATATYPE: - case XML_RELAXNG_VALUE: - TODO break; - case XML_RELAXNG_START: - case XML_RELAXNG_EXCEPT: - case XML_RELAXNG_PARAM: - TODO break; - case XML_RELAXNG_NOOP: - xmlRelaxNGDumpDefines(output, define->content); - break; - } -} - -/** - * xmlRelaxNGDumpGrammar: - * @output: the file output - * @grammar: a grammar structure - * @top: is this a top grammar - * - * Dump a RelaxNG structure back - */ -static void -xmlRelaxNGDumpGrammar(FILE * output, xmlRelaxNGGrammarPtr grammar, int top) -{ - if (grammar == NULL) - return; - - fprintf(output, "combine) { - case XML_RELAXNG_COMBINE_UNDEFINED: - break; - case XML_RELAXNG_COMBINE_CHOICE: - fprintf(output, " combine=\"choice\""); - break; - case XML_RELAXNG_COMBINE_INTERLEAVE: - fprintf(output, " combine=\"interleave\""); - break; - default: - fprintf(output, " "); - } - fprintf(output, ">\n"); - if (grammar->start == NULL) { - fprintf(output, " "); - } else { - fprintf(output, "\n"); - xmlRelaxNGDumpDefine(output, grammar->start); - fprintf(output, "\n"); - } - /* TODO ? Dump the defines ? */ - fprintf(output, "\n"); -} - -/** - * xmlRelaxNGDump: - * @output: the file output - * @schema: a schema structure - * - * Dump a RelaxNG structure back - */ -void -xmlRelaxNGDump(FILE * output, xmlRelaxNGPtr schema) -{ - if (output == NULL) - return; - if (schema == NULL) { - fprintf(output, "RelaxNG empty or failed to compile\n"); - return; - } - fprintf(output, "RelaxNG: "); - if (schema->doc == NULL) { - fprintf(output, "no document\n"); - } else if (schema->doc->URL != NULL) { - fprintf(output, "%s\n", schema->doc->URL); - } else { - fprintf(output, "\n"); - } - if (schema->topgrammar == NULL) { - fprintf(output, "RelaxNG has no top grammar\n"); - return; - } - xmlRelaxNGDumpGrammar(output, schema->topgrammar, 1); -} - -/** - * xmlRelaxNGDumpTree: - * @output: the file output - * @schema: a schema structure - * - * Dump the transformed RelaxNG tree. - */ -void -xmlRelaxNGDumpTree(FILE * output, xmlRelaxNGPtr schema) -{ - if (output == NULL) - return; - if (schema == NULL) { - fprintf(output, "RelaxNG empty or failed to compile\n"); - return; - } - if (schema->doc == NULL) { - fprintf(output, "no document\n"); - } else { - xmlDocDump(output, schema->doc); - } -} -#endif /* LIBXML_OUTPUT_ENABLED */ - -/************************************************************************ - * * - * Validation of compiled content * - * * - ************************************************************************/ -static int xmlRelaxNGValidateDefinition(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr define); - -/** - * xmlRelaxNGValidateCompiledCallback: - * @exec: the regular expression instance - * @token: the token which matched - * @transdata: callback data, the define for the subelement if available - @ @inputdata: callback data, the Relax NG validation context - * - * Handle the callback and if needed validate the element children. - */ -static void -xmlRelaxNGValidateCompiledCallback(xmlRegExecCtxtPtr exec ATTRIBUTE_UNUSED, - const xmlChar * token, - void *transdata, void *inputdata) -{ - xmlRelaxNGValidCtxtPtr ctxt = (xmlRelaxNGValidCtxtPtr) inputdata; - xmlRelaxNGDefinePtr define = (xmlRelaxNGDefinePtr) transdata; - int ret; - -#ifdef DEBUG_COMPILE - xmlGenericError(xmlGenericErrorContext, - "Compiled callback for: '%s'\n", token); -#endif - if (ctxt == NULL) { - fprintf(stderr, "callback on %s missing context\n", token); - return; - } - if (define == NULL) { - if (token[0] == '#') - return; - fprintf(stderr, "callback on %s missing define\n", token); - if ((ctxt != NULL) && (ctxt->errNo == XML_RELAXNG_OK)) - ctxt->errNo = XML_RELAXNG_ERR_INTERNAL; - return; - } - if ((ctxt == NULL) || (define == NULL)) { - fprintf(stderr, "callback on %s missing info\n", token); - if ((ctxt != NULL) && (ctxt->errNo == XML_RELAXNG_OK)) - ctxt->errNo = XML_RELAXNG_ERR_INTERNAL; - return; - } else if (define->type != XML_RELAXNG_ELEMENT) { - fprintf(stderr, "callback on %s define is not element\n", token); - if (ctxt->errNo == XML_RELAXNG_OK) - ctxt->errNo = XML_RELAXNG_ERR_INTERNAL; - return; - } - ret = xmlRelaxNGValidateDefinition(ctxt, define); - if (ret != 0) - ctxt->perr = ret; -} - -/** - * xmlRelaxNGValidateCompiledContent: - * @ctxt: the RelaxNG validation context - * @regexp: the regular expression as compiled - * @content: list of children to test against the regexp - * - * Validate the content model of an element or start using the regexp - * - * Returns 0 in case of success, -1 in case of error. - */ -static int -xmlRelaxNGValidateCompiledContent(xmlRelaxNGValidCtxtPtr ctxt, - xmlRegexpPtr regexp, xmlNodePtr content) -{ - xmlRegExecCtxtPtr exec; - xmlNodePtr cur; - int ret = 0; - int oldperr; - - if ((ctxt == NULL) || (regexp == NULL)) - return (-1); - oldperr = ctxt->perr; - exec = xmlRegNewExecCtxt(regexp, - xmlRelaxNGValidateCompiledCallback, ctxt); - ctxt->perr = 0; - cur = content; - while (cur != NULL) { - ctxt->state->seq = cur; - switch (cur->type) { - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - if (xmlIsBlankNode(cur)) - break; - ret = xmlRegExecPushString(exec, BAD_CAST "#text", ctxt); - if (ret < 0) { - VALID_ERR2(XML_RELAXNG_ERR_TEXTWRONG, - cur->parent->name); - } - break; - case XML_ELEMENT_NODE: - if (cur->ns != NULL) { - ret = xmlRegExecPushString2(exec, cur->name, - cur->ns->href, ctxt); - } else { - ret = xmlRegExecPushString(exec, cur->name, ctxt); - } - if (ret < 0) { - VALID_ERR2(XML_RELAXNG_ERR_ELEMWRONG, cur->name); - } - break; - default: - break; - } - if (ret < 0) - break; - /* - * Switch to next element - */ - cur = cur->next; - } - ret = xmlRegExecPushString(exec, NULL, NULL); - if (ret == 1) { - ret = 0; - ctxt->state->seq = NULL; - } else if (ret == 0) { - /* - * TODO: get some of the names needed to exit the current state of exec - */ - VALID_ERR2(XML_RELAXNG_ERR_NOELEM, BAD_CAST ""); - ret = -1; - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) - xmlRelaxNGDumpValidError(ctxt); - } else { - ret = -1; - } - xmlRegFreeExecCtxt(exec); - /* - * There might be content model errors outside of the pure - * regexp validation, e.g. for attribute values. - */ - if ((ret == 0) && (ctxt->perr != 0)) { - ret = ctxt->perr; - } - ctxt->perr = oldperr; - return (ret); -} - -/************************************************************************ - * * - * Progressive validation of when possible * - * * - ************************************************************************/ -static int xmlRelaxNGValidateAttributeList(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr defines); -static int xmlRelaxNGValidateElementEnd(xmlRelaxNGValidCtxtPtr ctxt, - int dolog); -static void xmlRelaxNGLogBestError(xmlRelaxNGValidCtxtPtr ctxt); - -/** - * xmlRelaxNGElemPush: - * @ctxt: the validation context - * @exec: the regexp runtime for the new content model - * - * Push a new regexp for the current node content model on the stack - * - * Returns 0 in case of success and -1 in case of error. - */ -static int -xmlRelaxNGElemPush(xmlRelaxNGValidCtxtPtr ctxt, xmlRegExecCtxtPtr exec) -{ - if (ctxt->elemTab == NULL) { - ctxt->elemMax = 10; - ctxt->elemTab = (xmlRegExecCtxtPtr *) xmlMalloc(ctxt->elemMax * - sizeof - (xmlRegExecCtxtPtr)); - if (ctxt->elemTab == NULL) { - xmlRngVErrMemory(ctxt, "validating\n"); - return (-1); - } - } - if (ctxt->elemNr >= ctxt->elemMax) { - ctxt->elemMax *= 2; - ctxt->elemTab = (xmlRegExecCtxtPtr *) xmlRealloc(ctxt->elemTab, - ctxt->elemMax * - sizeof - (xmlRegExecCtxtPtr)); - if (ctxt->elemTab == NULL) { - xmlRngVErrMemory(ctxt, "validating\n"); - return (-1); - } - } - ctxt->elemTab[ctxt->elemNr++] = exec; - ctxt->elem = exec; - return (0); -} - -/** - * xmlRelaxNGElemPop: - * @ctxt: the validation context - * - * Pop the regexp of the current node content model from the stack - * - * Returns the exec or NULL if empty - */ -static xmlRegExecCtxtPtr -xmlRelaxNGElemPop(xmlRelaxNGValidCtxtPtr ctxt) -{ - xmlRegExecCtxtPtr ret; - - if (ctxt->elemNr <= 0) - return (NULL); - ctxt->elemNr--; - ret = ctxt->elemTab[ctxt->elemNr]; - ctxt->elemTab[ctxt->elemNr] = NULL; - if (ctxt->elemNr > 0) - ctxt->elem = ctxt->elemTab[ctxt->elemNr - 1]; - else - ctxt->elem = NULL; - return (ret); -} - -/** - * xmlRelaxNGValidateProgressiveCallback: - * @exec: the regular expression instance - * @token: the token which matched - * @transdata: callback data, the define for the subelement if available - @ @inputdata: callback data, the Relax NG validation context - * - * Handle the callback and if needed validate the element children. - * some of the in/out informations are passed via the context in @inputdata. - */ -static void -xmlRelaxNGValidateProgressiveCallback(xmlRegExecCtxtPtr exec - ATTRIBUTE_UNUSED, - const xmlChar * token, - void *transdata, void *inputdata) -{ - xmlRelaxNGValidCtxtPtr ctxt = (xmlRelaxNGValidCtxtPtr) inputdata; - xmlRelaxNGDefinePtr define = (xmlRelaxNGDefinePtr) transdata; - xmlRelaxNGValidStatePtr state, oldstate; - xmlNodePtr node; - int ret = 0, oldflags; - -#ifdef DEBUG_PROGRESSIVE - xmlGenericError(xmlGenericErrorContext, - "Progressive callback for: '%s'\n", token); -#endif - if (ctxt == NULL) { - fprintf(stderr, "callback on %s missing context\n", token); - return; - } - node = ctxt->pnode; - ctxt->pstate = 1; - if (define == NULL) { - if (token[0] == '#') - return; - fprintf(stderr, "callback on %s missing define\n", token); - if ((ctxt != NULL) && (ctxt->errNo == XML_RELAXNG_OK)) - ctxt->errNo = XML_RELAXNG_ERR_INTERNAL; - ctxt->pstate = -1; - return; - } - if ((ctxt == NULL) || (define == NULL)) { - fprintf(stderr, "callback on %s missing info\n", token); - if ((ctxt != NULL) && (ctxt->errNo == XML_RELAXNG_OK)) - ctxt->errNo = XML_RELAXNG_ERR_INTERNAL; - ctxt->pstate = -1; - return; - } else if (define->type != XML_RELAXNG_ELEMENT) { - fprintf(stderr, "callback on %s define is not element\n", token); - if (ctxt->errNo == XML_RELAXNG_OK) - ctxt->errNo = XML_RELAXNG_ERR_INTERNAL; - ctxt->pstate = -1; - return; - } - if (node->type != XML_ELEMENT_NODE) { - VALID_ERR(XML_RELAXNG_ERR_NOTELEM); - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) - xmlRelaxNGDumpValidError(ctxt); - ctxt->pstate = -1; - return; - } - if (define->contModel == NULL) { - /* - * this node cannot be validated in a streamable fashion - */ -#ifdef DEBUG_PROGRESSIVE - xmlGenericError(xmlGenericErrorContext, - "Element '%s' validation is not streamable\n", - token); -#endif - ctxt->pstate = 0; - ctxt->pdef = define; - return; - } - exec = xmlRegNewExecCtxt(define->contModel, - xmlRelaxNGValidateProgressiveCallback, ctxt); - if (exec == NULL) { - ctxt->pstate = -1; - return; - } - xmlRelaxNGElemPush(ctxt, exec); - - /* - * Validate the attributes part of the content. - */ - state = xmlRelaxNGNewValidState(ctxt, node); - if (state == NULL) { - ctxt->pstate = -1; - return; - } - oldstate = ctxt->state; - ctxt->state = state; - if (define->attrs != NULL) { - ret = xmlRelaxNGValidateAttributeList(ctxt, define->attrs); - if (ret != 0) { - ctxt->pstate = -1; - VALID_ERR2(XML_RELAXNG_ERR_ATTRVALID, node->name); - } - } - if (ctxt->state != NULL) { - ctxt->state->seq = NULL; - ret = xmlRelaxNGValidateElementEnd(ctxt, 1); - if (ret != 0) { - ctxt->pstate = -1; - } - xmlRelaxNGFreeValidState(ctxt, ctxt->state); - } else if (ctxt->states != NULL) { - int tmp = -1, i; - - oldflags = ctxt->flags; - - for (i = 0; i < ctxt->states->nbState; i++) { - state = ctxt->states->tabState[i]; - ctxt->state = state; - ctxt->state->seq = NULL; - - if (xmlRelaxNGValidateElementEnd(ctxt, 0) == 0) { - tmp = 0; - break; - } - } - if (tmp != 0) { - /* - * validation error, log the message for the "best" one - */ - ctxt->flags |= FLAGS_IGNORABLE; - xmlRelaxNGLogBestError(ctxt); - } - for (i = 0; i < ctxt->states->nbState; i++) { - xmlRelaxNGFreeValidState(ctxt, ctxt->states->tabState[i]); - } - xmlRelaxNGFreeStates(ctxt, ctxt->states); - ctxt->states = NULL; - if ((ret == 0) && (tmp == -1)) - ctxt->pstate = -1; - ctxt->flags = oldflags; - } - if (ctxt->pstate == -1) { - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) { - xmlRelaxNGDumpValidError(ctxt); - } - } - ctxt->state = oldstate; -} - -/** - * xmlRelaxNGValidatePushElement: - * @ctxt: the validation context - * @doc: a document instance - * @elem: an element instance - * - * Push a new element start on the RelaxNG validation stack. - * - * returns 1 if no validation problem was found or 0 if validating the - * element requires a full node, and -1 in case of error. - */ -int -xmlRelaxNGValidatePushElement(xmlRelaxNGValidCtxtPtr ctxt, - xmlDocPtr doc ATTRIBUTE_UNUSED, - xmlNodePtr elem) -{ - int ret = 1; - - if ((ctxt == NULL) || (elem == NULL)) - return (-1); - -#ifdef DEBUG_PROGRESSIVE - xmlGenericError(xmlGenericErrorContext, "PushElem %s\n", elem->name); -#endif - if (ctxt->elem == 0) { - xmlRelaxNGPtr schema; - xmlRelaxNGGrammarPtr grammar; - xmlRegExecCtxtPtr exec; - xmlRelaxNGDefinePtr define; - - schema = ctxt->schema; - if (schema == NULL) { - VALID_ERR(XML_RELAXNG_ERR_NOGRAMMAR); - return (-1); - } - grammar = schema->topgrammar; - if ((grammar == NULL) || (grammar->start == NULL)) { - VALID_ERR(XML_RELAXNG_ERR_NOGRAMMAR); - return (-1); - } - define = grammar->start; - if (define->contModel == NULL) { - ctxt->pdef = define; - return (0); - } - exec = xmlRegNewExecCtxt(define->contModel, - xmlRelaxNGValidateProgressiveCallback, - ctxt); - if (exec == NULL) { - return (-1); - } - xmlRelaxNGElemPush(ctxt, exec); - } - ctxt->pnode = elem; - ctxt->pstate = 0; - if (elem->ns != NULL) { - ret = - xmlRegExecPushString2(ctxt->elem, elem->name, elem->ns->href, - ctxt); - } else { - ret = xmlRegExecPushString(ctxt->elem, elem->name, ctxt); - } - if (ret < 0) { - VALID_ERR2(XML_RELAXNG_ERR_ELEMWRONG, elem->name); - } else { - if (ctxt->pstate == 0) - ret = 0; - else if (ctxt->pstate < 0) - ret = -1; - else - ret = 1; - } -#ifdef DEBUG_PROGRESSIVE - if (ret < 0) - xmlGenericError(xmlGenericErrorContext, "PushElem %s failed\n", - elem->name); -#endif - return (ret); -} - -/** - * xmlRelaxNGValidatePushCData: - * @ctxt: the RelaxNG validation context - * @data: some character data read - * @len: the length of the data - * - * check the CData parsed for validation in the current stack - * - * returns 1 if no validation problem was found or -1 otherwise - */ -int -xmlRelaxNGValidatePushCData(xmlRelaxNGValidCtxtPtr ctxt, - const xmlChar * data, int len ATTRIBUTE_UNUSED) -{ - int ret = 1; - - if ((ctxt == NULL) || (ctxt->elem == NULL) || (data == NULL)) - return (-1); - -#ifdef DEBUG_PROGRESSIVE - xmlGenericError(xmlGenericErrorContext, "CDATA %s %d\n", data, len); -#endif - - while (*data != 0) { - if (!IS_BLANK_CH(*data)) - break; - data++; - } - if (*data == 0) - return (1); - - ret = xmlRegExecPushString(ctxt->elem, BAD_CAST "#text", ctxt); - if (ret < 0) { - VALID_ERR2(XML_RELAXNG_ERR_TEXTWRONG, BAD_CAST " TODO "); -#ifdef DEBUG_PROGRESSIVE - xmlGenericError(xmlGenericErrorContext, "CDATA failed\n"); -#endif - - return (-1); - } - return (1); -} - -/** - * xmlRelaxNGValidatePopElement: - * @ctxt: the RelaxNG validation context - * @doc: a document instance - * @elem: an element instance - * - * Pop the element end from the RelaxNG validation stack. - * - * returns 1 if no validation problem was found or 0 otherwise - */ -int -xmlRelaxNGValidatePopElement(xmlRelaxNGValidCtxtPtr ctxt, - xmlDocPtr doc ATTRIBUTE_UNUSED, - xmlNodePtr elem) -{ - int ret; - xmlRegExecCtxtPtr exec; - - if ((ctxt == NULL) || (ctxt->elem == NULL) || (elem == NULL)) - return (-1); -#ifdef DEBUG_PROGRESSIVE - xmlGenericError(xmlGenericErrorContext, "PopElem %s\n", elem->name); -#endif - /* - * verify that we reached a terminal state of the content model. - */ - exec = xmlRelaxNGElemPop(ctxt); - ret = xmlRegExecPushString(exec, NULL, NULL); - if (ret == 0) { - /* - * TODO: get some of the names needed to exit the current state of exec - */ - VALID_ERR2(XML_RELAXNG_ERR_NOELEM, BAD_CAST ""); - ret = -1; - } else if (ret < 0) { - ret = -1; - } else { - ret = 1; - } - xmlRegFreeExecCtxt(exec); -#ifdef DEBUG_PROGRESSIVE - if (ret < 0) - xmlGenericError(xmlGenericErrorContext, "PopElem %s failed\n", - elem->name); -#endif - return (ret); -} - -/** - * xmlRelaxNGValidateFullElement: - * @ctxt: the validation context - * @doc: a document instance - * @elem: an element instance - * - * Validate a full subtree when xmlRelaxNGValidatePushElement() returned - * 0 and the content of the node has been expanded. - * - * returns 1 if no validation problem was found or -1 in case of error. - */ -int -xmlRelaxNGValidateFullElement(xmlRelaxNGValidCtxtPtr ctxt, - xmlDocPtr doc ATTRIBUTE_UNUSED, - xmlNodePtr elem) -{ - int ret; - xmlRelaxNGValidStatePtr state; - - if ((ctxt == NULL) || (ctxt->pdef == NULL) || (elem == NULL)) - return (-1); -#ifdef DEBUG_PROGRESSIVE - xmlGenericError(xmlGenericErrorContext, "FullElem %s\n", elem->name); -#endif - state = xmlRelaxNGNewValidState(ctxt, elem->parent); - if (state == NULL) { - return (-1); - } - state->seq = elem; - ctxt->state = state; - ctxt->errNo = XML_RELAXNG_OK; - ret = xmlRelaxNGValidateDefinition(ctxt, ctxt->pdef); - if ((ret != 0) || (ctxt->errNo != XML_RELAXNG_OK)) - ret = -1; - else - ret = 1; - xmlRelaxNGFreeValidState(ctxt, ctxt->state); - ctxt->state = NULL; -#ifdef DEBUG_PROGRESSIVE - if (ret < 0) - xmlGenericError(xmlGenericErrorContext, "FullElem %s failed\n", - elem->name); -#endif - return (ret); -} - -/************************************************************************ - * * - * Generic interpreted validation implementation * - * * - ************************************************************************/ -static int xmlRelaxNGValidateValue(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr define); - -/** - * xmlRelaxNGSkipIgnored: - * @ctxt: a schema validation context - * @node: the top node. - * - * Skip ignorable nodes in that context - * - * Returns the new sibling or NULL in case of error. - */ -static xmlNodePtr -xmlRelaxNGSkipIgnored(xmlRelaxNGValidCtxtPtr ctxt ATTRIBUTE_UNUSED, - xmlNodePtr node) -{ - /* - * TODO complete and handle entities - */ - while ((node != NULL) && - ((node->type == XML_COMMENT_NODE) || - (node->type == XML_PI_NODE) || - (node->type == XML_XINCLUDE_START) || - (node->type == XML_XINCLUDE_END) || - (((node->type == XML_TEXT_NODE) || - (node->type == XML_CDATA_SECTION_NODE)) && - ((ctxt->flags & FLAGS_MIXED_CONTENT) || - (IS_BLANK_NODE(node)))))) { - node = node->next; - } - return (node); -} - -/** - * xmlRelaxNGNormalize: - * @ctxt: a schema validation context - * @str: the string to normalize - * - * Implements the normalizeWhiteSpace( s ) function from - * section 6.2.9 of the spec - * - * Returns the new string or NULL in case of error. - */ -static xmlChar * -xmlRelaxNGNormalize(xmlRelaxNGValidCtxtPtr ctxt, const xmlChar * str) -{ - xmlChar *ret, *p; - const xmlChar *tmp; - int len; - - if (str == NULL) - return (NULL); - tmp = str; - while (*tmp != 0) - tmp++; - len = tmp - str; - - ret = (xmlChar *) xmlMallocAtomic((len + 1) * sizeof(xmlChar)); - if (ret == NULL) { - xmlRngVErrMemory(ctxt, "validating\n"); - return (NULL); - } - p = ret; - while (IS_BLANK_CH(*str)) - str++; - while (*str != 0) { - if (IS_BLANK_CH(*str)) { - while (IS_BLANK_CH(*str)) - str++; - if (*str == 0) - break; - *p++ = ' '; - } else - *p++ = *str++; - } - *p = 0; - return (ret); -} - -/** - * xmlRelaxNGValidateDatatype: - * @ctxt: a Relax-NG validation context - * @value: the string value - * @type: the datatype definition - * @node: the node - * - * Validate the given value against the dataype - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateDatatype(xmlRelaxNGValidCtxtPtr ctxt, - const xmlChar * value, - xmlRelaxNGDefinePtr define, xmlNodePtr node) -{ - int ret, tmp; - xmlRelaxNGTypeLibraryPtr lib; - void *result = NULL; - xmlRelaxNGDefinePtr cur; - - if ((define == NULL) || (define->data == NULL)) { - return (-1); - } - lib = (xmlRelaxNGTypeLibraryPtr) define->data; - if (lib->check != NULL) { - if ((define->attrs != NULL) && - (define->attrs->type == XML_RELAXNG_PARAM)) { - ret = - lib->check(lib->data, define->name, value, &result, node); - } else { - ret = lib->check(lib->data, define->name, value, NULL, node); - } - } else - ret = -1; - if (ret < 0) { - VALID_ERR2(XML_RELAXNG_ERR_TYPE, define->name); - if ((result != NULL) && (lib != NULL) && (lib->freef != NULL)) - lib->freef(lib->data, result); - return (-1); - } else if (ret == 1) { - ret = 0; - } else if (ret == 2) { - VALID_ERR2P(XML_RELAXNG_ERR_DUPID, value); - } else { - VALID_ERR3P(XML_RELAXNG_ERR_TYPEVAL, define->name, value); - ret = -1; - } - cur = define->attrs; - while ((ret == 0) && (cur != NULL) && (cur->type == XML_RELAXNG_PARAM)) { - if (lib->facet != NULL) { - tmp = lib->facet(lib->data, define->name, cur->name, - cur->value, value, result); - if (tmp != 0) - ret = -1; - } - cur = cur->next; - } - if ((ret == 0) && (define->content != NULL)) { - const xmlChar *oldvalue, *oldendvalue; - - oldvalue = ctxt->state->value; - oldendvalue = ctxt->state->endvalue; - ctxt->state->value = (xmlChar *) value; - ctxt->state->endvalue = NULL; - ret = xmlRelaxNGValidateValue(ctxt, define->content); - ctxt->state->value = (xmlChar *) oldvalue; - ctxt->state->endvalue = (xmlChar *) oldendvalue; - } - if ((result != NULL) && (lib != NULL) && (lib->freef != NULL)) - lib->freef(lib->data, result); - return (ret); -} - -/** - * xmlRelaxNGNextValue: - * @ctxt: a Relax-NG validation context - * - * Skip to the next value when validating within a list - * - * Returns 0 if the operation succeeded or an error code. - */ -static int -xmlRelaxNGNextValue(xmlRelaxNGValidCtxtPtr ctxt) -{ - xmlChar *cur; - - cur = ctxt->state->value; - if ((cur == NULL) || (ctxt->state->endvalue == NULL)) { - ctxt->state->value = NULL; - ctxt->state->endvalue = NULL; - return (0); - } - while (*cur != 0) - cur++; - while ((cur != ctxt->state->endvalue) && (*cur == 0)) - cur++; - if (cur == ctxt->state->endvalue) - ctxt->state->value = NULL; - else - ctxt->state->value = cur; - return (0); -} - -/** - * xmlRelaxNGValidateValueList: - * @ctxt: a Relax-NG validation context - * @defines: the list of definitions to verify - * - * Validate the given set of definitions for the current value - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateValueList(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr defines) -{ - int ret = 0; - - while (defines != NULL) { - ret = xmlRelaxNGValidateValue(ctxt, defines); - if (ret != 0) - break; - defines = defines->next; - } - return (ret); -} - -/** - * xmlRelaxNGValidateValue: - * @ctxt: a Relax-NG validation context - * @define: the definition to verify - * - * Validate the given definition for the current value - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateValue(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr define) -{ - int ret = 0, oldflags; - xmlChar *value; - - value = ctxt->state->value; - switch (define->type) { - case XML_RELAXNG_EMPTY:{ - if ((value != NULL) && (value[0] != 0)) { - int idx = 0; - - while (IS_BLANK_CH(value[idx])) - idx++; - if (value[idx] != 0) - ret = -1; - } - break; - } - case XML_RELAXNG_TEXT: - break; - case XML_RELAXNG_VALUE:{ - if (!xmlStrEqual(value, define->value)) { - if (define->name != NULL) { - xmlRelaxNGTypeLibraryPtr lib; - - lib = (xmlRelaxNGTypeLibraryPtr) define->data; - if ((lib != NULL) && (lib->comp != NULL)) { - ret = lib->comp(lib->data, define->name, - define->value, define->node, - (void *) define->attrs, - value, ctxt->state->node); - } else - ret = -1; - if (ret < 0) { - VALID_ERR2(XML_RELAXNG_ERR_TYPECMP, - define->name); - return (-1); - } else if (ret == 1) { - ret = 0; - } else { - ret = -1; - } - } else { - xmlChar *nval, *nvalue; - - /* - * TODO: trivial optimizations are possible by - * computing at compile-time - */ - nval = xmlRelaxNGNormalize(ctxt, define->value); - nvalue = xmlRelaxNGNormalize(ctxt, value); - - if ((nval == NULL) || (nvalue == NULL) || - (!xmlStrEqual(nval, nvalue))) - ret = -1; - if (nval != NULL) - xmlFree(nval); - if (nvalue != NULL) - xmlFree(nvalue); - } - } - if (ret == 0) - xmlRelaxNGNextValue(ctxt); - break; - } - case XML_RELAXNG_DATATYPE:{ - ret = xmlRelaxNGValidateDatatype(ctxt, value, define, - ctxt->state->seq); - if (ret == 0) - xmlRelaxNGNextValue(ctxt); - - break; - } - case XML_RELAXNG_CHOICE:{ - xmlRelaxNGDefinePtr list = define->content; - xmlChar *oldvalue; - - oldflags = ctxt->flags; - ctxt->flags |= FLAGS_IGNORABLE; - - oldvalue = ctxt->state->value; - while (list != NULL) { - ret = xmlRelaxNGValidateValue(ctxt, list); - if (ret == 0) { - break; - } - ctxt->state->value = oldvalue; - list = list->next; - } - ctxt->flags = oldflags; - if (ret != 0) { - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) - xmlRelaxNGDumpValidError(ctxt); - } else { - if (ctxt->errNr > 0) - xmlRelaxNGPopErrors(ctxt, 0); - } - break; - } - case XML_RELAXNG_LIST:{ - xmlRelaxNGDefinePtr list = define->content; - xmlChar *oldvalue, *oldend, *val, *cur; - -#ifdef DEBUG_LIST - int nb_values = 0; -#endif - - oldvalue = ctxt->state->value; - oldend = ctxt->state->endvalue; - - val = xmlStrdup(oldvalue); - if (val == NULL) { - val = xmlStrdup(BAD_CAST ""); - } - if (val == NULL) { - VALID_ERR(XML_RELAXNG_ERR_NOSTATE); - return (-1); - } - cur = val; - while (*cur != 0) { - if (IS_BLANK_CH(*cur)) { - *cur = 0; - cur++; -#ifdef DEBUG_LIST - nb_values++; -#endif - while (IS_BLANK_CH(*cur)) - *cur++ = 0; - } else - cur++; - } -#ifdef DEBUG_LIST - xmlGenericError(xmlGenericErrorContext, - "list value: '%s' found %d items\n", - oldvalue, nb_values); - nb_values = 0; -#endif - ctxt->state->endvalue = cur; - cur = val; - while ((*cur == 0) && (cur != ctxt->state->endvalue)) - cur++; - - ctxt->state->value = cur; - - while (list != NULL) { - if (ctxt->state->value == ctxt->state->endvalue) - ctxt->state->value = NULL; - ret = xmlRelaxNGValidateValue(ctxt, list); - if (ret != 0) { -#ifdef DEBUG_LIST - xmlGenericError(xmlGenericErrorContext, - "Failed to validate value: '%s' with %d rule\n", - ctxt->state->value, nb_values); -#endif - break; - } -#ifdef DEBUG_LIST - nb_values++; -#endif - list = list->next; - } - - if ((ret == 0) && (ctxt->state->value != NULL) && - (ctxt->state->value != ctxt->state->endvalue)) { - VALID_ERR2(XML_RELAXNG_ERR_LISTEXTRA, - ctxt->state->value); - ret = -1; - } - xmlFree(val); - ctxt->state->value = oldvalue; - ctxt->state->endvalue = oldend; - break; - } - case XML_RELAXNG_ONEORMORE: - ret = xmlRelaxNGValidateValueList(ctxt, define->content); - if (ret != 0) { - break; - } - /* no break on purpose */ - case XML_RELAXNG_ZEROORMORE:{ - xmlChar *cur, *temp; - - if ((ctxt->state->value == NULL) || - (*ctxt->state->value == 0)) { - ret = 0; - break; - } - oldflags = ctxt->flags; - ctxt->flags |= FLAGS_IGNORABLE; - cur = ctxt->state->value; - temp = NULL; - while ((cur != NULL) && (cur != ctxt->state->endvalue) && - (temp != cur)) { - temp = cur; - ret = - xmlRelaxNGValidateValueList(ctxt, define->content); - if (ret != 0) { - ctxt->state->value = temp; - ret = 0; - break; - } - cur = ctxt->state->value; - } - ctxt->flags = oldflags; - if (ctxt->errNr > 0) - xmlRelaxNGPopErrors(ctxt, 0); - break; - } - case XML_RELAXNG_OPTIONAL:{ - xmlChar *temp; - - if ((ctxt->state->value == NULL) || - (*ctxt->state->value == 0)) { - ret = 0; - break; - } - oldflags = ctxt->flags; - ctxt->flags |= FLAGS_IGNORABLE; - temp = ctxt->state->value; - ret = xmlRelaxNGValidateValue(ctxt, define->content); - ctxt->flags = oldflags; - if (ret != 0) { - ctxt->state->value = temp; - if (ctxt->errNr > 0) - xmlRelaxNGPopErrors(ctxt, 0); - ret = 0; - break; - } - if (ctxt->errNr > 0) - xmlRelaxNGPopErrors(ctxt, 0); - break; - } - case XML_RELAXNG_EXCEPT:{ - xmlRelaxNGDefinePtr list; - - list = define->content; - while (list != NULL) { - ret = xmlRelaxNGValidateValue(ctxt, list); - if (ret == 0) { - ret = -1; - break; - } else - ret = 0; - list = list->next; - } - break; - } - case XML_RELAXNG_DEF: - case XML_RELAXNG_GROUP:{ - xmlRelaxNGDefinePtr list; - - list = define->content; - while (list != NULL) { - ret = xmlRelaxNGValidateValue(ctxt, list); - if (ret != 0) { - ret = -1; - break; - } else - ret = 0; - list = list->next; - } - break; - } - case XML_RELAXNG_REF: - case XML_RELAXNG_PARENTREF: - if (define->content == NULL) { - VALID_ERR(XML_RELAXNG_ERR_NODEFINE); - ret = -1; - } else { - ret = xmlRelaxNGValidateValue(ctxt, define->content); - } - break; - default: - TODO ret = -1; - } - return (ret); -} - -/** - * xmlRelaxNGValidateValueContent: - * @ctxt: a Relax-NG validation context - * @defines: the list of definitions to verify - * - * Validate the given definitions for the current value - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateValueContent(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr defines) -{ - int ret = 0; - - while (defines != NULL) { - ret = xmlRelaxNGValidateValue(ctxt, defines); - if (ret != 0) - break; - defines = defines->next; - } - return (ret); -} - -/** - * xmlRelaxNGAttributeMatch: - * @ctxt: a Relax-NG validation context - * @define: the definition to check - * @prop: the attribute - * - * Check if the attribute matches the definition nameClass - * - * Returns 1 if the attribute matches, 0 if no, or -1 in case of error - */ -static int -xmlRelaxNGAttributeMatch(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr define, xmlAttrPtr prop) -{ - int ret; - - if (define->name != NULL) { - if (!xmlStrEqual(define->name, prop->name)) - return (0); - } - if (define->ns != NULL) { - if (define->ns[0] == 0) { - if (prop->ns != NULL) - return (0); - } else { - if ((prop->ns == NULL) || - (!xmlStrEqual(define->ns, prop->ns->href))) - return (0); - } - } - if (define->nameClass == NULL) - return (1); - define = define->nameClass; - if (define->type == XML_RELAXNG_EXCEPT) { - xmlRelaxNGDefinePtr list; - - list = define->content; - while (list != NULL) { - ret = xmlRelaxNGAttributeMatch(ctxt, list, prop); - if (ret == 1) - return (0); - if (ret < 0) - return (ret); - list = list->next; - } - } else if (define->type == XML_RELAXNG_CHOICE) { - xmlRelaxNGDefinePtr list; - - list = define->nameClass; - while (list != NULL) { - ret = xmlRelaxNGAttributeMatch(ctxt, list, prop); - if (ret == 1) - return (1); - if (ret < 0) - return (ret); - list = list->next; - } - return (0); - } else { - TODO} - return (1); -} - -/** - * xmlRelaxNGValidateAttribute: - * @ctxt: a Relax-NG validation context - * @define: the definition to verify - * - * Validate the given attribute definition for that node - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateAttribute(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr define) -{ - int ret = 0, i; - xmlChar *value, *oldvalue; - xmlAttrPtr prop = NULL, tmp; - xmlNodePtr oldseq; - - if (ctxt->state->nbAttrLeft <= 0) - return (-1); - if (define->name != NULL) { - for (i = 0; i < ctxt->state->nbAttrs; i++) { - tmp = ctxt->state->attrs[i]; - if ((tmp != NULL) && (xmlStrEqual(define->name, tmp->name))) { - if ((((define->ns == NULL) || (define->ns[0] == 0)) && - (tmp->ns == NULL)) || - ((tmp->ns != NULL) && - (xmlStrEqual(define->ns, tmp->ns->href)))) { - prop = tmp; - break; - } - } - } - if (prop != NULL) { - value = xmlNodeListGetString(prop->doc, prop->children, 1); - oldvalue = ctxt->state->value; - oldseq = ctxt->state->seq; - ctxt->state->seq = (xmlNodePtr) prop; - ctxt->state->value = value; - ctxt->state->endvalue = NULL; - ret = xmlRelaxNGValidateValueContent(ctxt, define->content); - if (ctxt->state->value != NULL) - value = ctxt->state->value; - if (value != NULL) - xmlFree(value); - ctxt->state->value = oldvalue; - ctxt->state->seq = oldseq; - if (ret == 0) { - /* - * flag the attribute as processed - */ - ctxt->state->attrs[i] = NULL; - ctxt->state->nbAttrLeft--; - } - } else { - ret = -1; - } -#ifdef DEBUG - xmlGenericError(xmlGenericErrorContext, - "xmlRelaxNGValidateAttribute(%s): %d\n", - define->name, ret); -#endif - } else { - for (i = 0; i < ctxt->state->nbAttrs; i++) { - tmp = ctxt->state->attrs[i]; - if ((tmp != NULL) && - (xmlRelaxNGAttributeMatch(ctxt, define, tmp) == 1)) { - prop = tmp; - break; - } - } - if (prop != NULL) { - value = xmlNodeListGetString(prop->doc, prop->children, 1); - oldvalue = ctxt->state->value; - oldseq = ctxt->state->seq; - ctxt->state->seq = (xmlNodePtr) prop; - ctxt->state->value = value; - ret = xmlRelaxNGValidateValueContent(ctxt, define->content); - if (ctxt->state->value != NULL) - value = ctxt->state->value; - if (value != NULL) - xmlFree(value); - ctxt->state->value = oldvalue; - ctxt->state->seq = oldseq; - if (ret == 0) { - /* - * flag the attribute as processed - */ - ctxt->state->attrs[i] = NULL; - ctxt->state->nbAttrLeft--; - } - } else { - ret = -1; - } -#ifdef DEBUG - if (define->ns != NULL) { - xmlGenericError(xmlGenericErrorContext, - "xmlRelaxNGValidateAttribute(nsName ns = %s): %d\n", - define->ns, ret); - } else { - xmlGenericError(xmlGenericErrorContext, - "xmlRelaxNGValidateAttribute(anyName): %d\n", - ret); - } -#endif - } - - return (ret); -} - -/** - * xmlRelaxNGValidateAttributeList: - * @ctxt: a Relax-NG validation context - * @define: the list of definition to verify - * - * Validate the given node against the list of attribute definitions - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateAttributeList(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr defines) -{ - int ret = 0, res; - int needmore = 0; - xmlRelaxNGDefinePtr cur; - - cur = defines; - while (cur != NULL) { - if (cur->type == XML_RELAXNG_ATTRIBUTE) { - if (xmlRelaxNGValidateAttribute(ctxt, cur) != 0) - ret = -1; - } else - needmore = 1; - cur = cur->next; - } - if (!needmore) - return (ret); - cur = defines; - while (cur != NULL) { - if (cur->type != XML_RELAXNG_ATTRIBUTE) { - if ((ctxt->state != NULL) || (ctxt->states != NULL)) { - res = xmlRelaxNGValidateDefinition(ctxt, cur); - if (res < 0) - ret = -1; - } else { - VALID_ERR(XML_RELAXNG_ERR_NOSTATE); - return (-1); - } - if (res == -1) /* continues on -2 */ - break; - } - cur = cur->next; - } - - return (ret); -} - -/** - * xmlRelaxNGNodeMatchesList: - * @node: the node - * @list: a NULL terminated array of definitions - * - * Check if a node can be matched by one of the definitions - * - * Returns 1 if matches 0 otherwise - */ -static int -xmlRelaxNGNodeMatchesList(xmlNodePtr node, xmlRelaxNGDefinePtr * list) -{ - xmlRelaxNGDefinePtr cur; - int i = 0, tmp; - - if ((node == NULL) || (list == NULL)) - return (0); - - cur = list[i++]; - while (cur != NULL) { - if ((node->type == XML_ELEMENT_NODE) && - (cur->type == XML_RELAXNG_ELEMENT)) { - tmp = xmlRelaxNGElementMatch(NULL, cur, node); - if (tmp == 1) - return (1); - } else if (((node->type == XML_TEXT_NODE) || - (node->type == XML_CDATA_SECTION_NODE)) && - (cur->type == XML_RELAXNG_TEXT)) { - return (1); - } - cur = list[i++]; - } - return (0); -} - -/** - * xmlRelaxNGValidateInterleave: - * @ctxt: a Relax-NG validation context - * @define: the definition to verify - * - * Validate an interleave definition for a node. - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateInterleave(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr define) -{ - int ret = 0, i, nbgroups; - int errNr = ctxt->errNr; - int oldflags; - - xmlRelaxNGValidStatePtr oldstate; - xmlRelaxNGPartitionPtr partitions; - xmlRelaxNGInterleaveGroupPtr group = NULL; - xmlNodePtr cur, start, last = NULL, lastchg = NULL, lastelem; - xmlNodePtr *list = NULL, *lasts = NULL; - - if (define->data != NULL) { - partitions = (xmlRelaxNGPartitionPtr) define->data; - nbgroups = partitions->nbgroups; - } else { - VALID_ERR(XML_RELAXNG_ERR_INTERNODATA); - return (-1); - } - /* - * Optimizations for MIXED - */ - oldflags = ctxt->flags; - if (define->dflags & IS_MIXED) { - ctxt->flags |= FLAGS_MIXED_CONTENT; - if (nbgroups == 2) { - /* - * this is a pure case - */ - if (ctxt->state != NULL) - ctxt->state->seq = xmlRelaxNGSkipIgnored(ctxt, - ctxt->state->seq); - if (partitions->groups[0]->rule->type == XML_RELAXNG_TEXT) - ret = xmlRelaxNGValidateDefinition(ctxt, - partitions->groups[1]-> - rule); - else - ret = xmlRelaxNGValidateDefinition(ctxt, - partitions->groups[0]-> - rule); - if (ret == 0) { - if (ctxt->state != NULL) - ctxt->state->seq = xmlRelaxNGSkipIgnored(ctxt, - ctxt->state-> - seq); - } - ctxt->flags = oldflags; - return (ret); - } - } - - /* - * Build arrays to store the first and last node of the chain - * pertaining to each group - */ - list = (xmlNodePtr *) xmlMalloc(nbgroups * sizeof(xmlNodePtr)); - if (list == NULL) { - xmlRngVErrMemory(ctxt, "validating\n"); - return (-1); - } - memset(list, 0, nbgroups * sizeof(xmlNodePtr)); - lasts = (xmlNodePtr *) xmlMalloc(nbgroups * sizeof(xmlNodePtr)); - if (lasts == NULL) { - xmlRngVErrMemory(ctxt, "validating\n"); - return (-1); - } - memset(lasts, 0, nbgroups * sizeof(xmlNodePtr)); - - /* - * Walk the sequence of children finding the right group and - * sorting them in sequences. - */ - cur = ctxt->state->seq; - cur = xmlRelaxNGSkipIgnored(ctxt, cur); - start = cur; - while (cur != NULL) { - ctxt->state->seq = cur; - if ((partitions->triage != NULL) && - (partitions->flags & IS_DETERMINIST)) { - void *tmp = NULL; - - if ((cur->type == XML_TEXT_NODE) || - (cur->type == XML_CDATA_SECTION_NODE)) { - tmp = xmlHashLookup2(partitions->triage, BAD_CAST "#text", - NULL); - } else if (cur->type == XML_ELEMENT_NODE) { - if (cur->ns != NULL) { - tmp = xmlHashLookup2(partitions->triage, cur->name, - cur->ns->href); - if (tmp == NULL) - tmp = xmlHashLookup2(partitions->triage, - BAD_CAST "#any", - cur->ns->href); - } else - tmp = - xmlHashLookup2(partitions->triage, cur->name, - NULL); - if (tmp == NULL) - tmp = - xmlHashLookup2(partitions->triage, BAD_CAST "#any", - NULL); - } - - if (tmp == NULL) { - i = nbgroups; - } else { - i = ((long) tmp) - 1; - if (partitions->flags & IS_NEEDCHECK) { - group = partitions->groups[i]; - if (!xmlRelaxNGNodeMatchesList(cur, group->defs)) - i = nbgroups; - } - } - } else { - for (i = 0; i < nbgroups; i++) { - group = partitions->groups[i]; - if (group == NULL) - continue; - if (xmlRelaxNGNodeMatchesList(cur, group->defs)) - break; - } - } - /* - * We break as soon as an element not matched is found - */ - if (i >= nbgroups) { - break; - } - if (lasts[i] != NULL) { - lasts[i]->next = cur; - lasts[i] = cur; - } else { - list[i] = cur; - lasts[i] = cur; - } - if (cur->next != NULL) - lastchg = cur->next; - else - lastchg = cur; - cur = xmlRelaxNGSkipIgnored(ctxt, cur->next); - } - if (ret != 0) { - VALID_ERR(XML_RELAXNG_ERR_INTERSEQ); - ret = -1; - goto done; - } - lastelem = cur; - oldstate = ctxt->state; - for (i = 0; i < nbgroups; i++) { - ctxt->state = xmlRelaxNGCopyValidState(ctxt, oldstate); - if (ctxt->state == NULL) { - ret = -1; - break; - } - group = partitions->groups[i]; - if (lasts[i] != NULL) { - last = lasts[i]->next; - lasts[i]->next = NULL; - } - ctxt->state->seq = list[i]; - ret = xmlRelaxNGValidateDefinition(ctxt, group->rule); - if (ret != 0) - break; - if (ctxt->state != NULL) { - cur = ctxt->state->seq; - cur = xmlRelaxNGSkipIgnored(ctxt, cur); - xmlRelaxNGFreeValidState(ctxt, oldstate); - oldstate = ctxt->state; - ctxt->state = NULL; - if (cur != NULL) { - VALID_ERR2(XML_RELAXNG_ERR_INTEREXTRA, cur->name); - ret = -1; - ctxt->state = oldstate; - goto done; - } - } else if (ctxt->states != NULL) { - int j; - int found = 0; - int best = -1; - int lowattr = -1; - - /* - * PBM: what happen if there is attributes checks in the interleaves - */ - - for (j = 0; j < ctxt->states->nbState; j++) { - cur = ctxt->states->tabState[j]->seq; - cur = xmlRelaxNGSkipIgnored(ctxt, cur); - if (cur == NULL) { - if (found == 0) { - lowattr = ctxt->states->tabState[j]->nbAttrLeft; - best = j; - } - found = 1; - if (ctxt->states->tabState[j]->nbAttrLeft <= lowattr) { - /* try to keep the latest one to mach old heuristic */ - lowattr = ctxt->states->tabState[j]->nbAttrLeft; - best = j; - } - if (lowattr == 0) - break; - } else if (found == 0) { - if (lowattr == -1) { - lowattr = ctxt->states->tabState[j]->nbAttrLeft; - best = j; - } else - if (ctxt->states->tabState[j]->nbAttrLeft <= lowattr) { - /* try to keep the latest one to mach old heuristic */ - lowattr = ctxt->states->tabState[j]->nbAttrLeft; - best = j; - } - } - } - /* - * BIG PBM: here we pick only one restarting point :-( - */ - if (ctxt->states->nbState > 0) { - xmlRelaxNGFreeValidState(ctxt, oldstate); - if (best != -1) { - oldstate = ctxt->states->tabState[best]; - ctxt->states->tabState[best] = NULL; - } else { - oldstate = - ctxt->states->tabState[ctxt->states->nbState - 1]; - ctxt->states->tabState[ctxt->states->nbState - 1] = NULL; - ctxt->states->nbState--; - } - } - for (j = 0; j < ctxt->states->nbState ; j++) { - xmlRelaxNGFreeValidState(ctxt, ctxt->states->tabState[j]); - } - xmlRelaxNGFreeStates(ctxt, ctxt->states); - ctxt->states = NULL; - if (found == 0) { - if (cur == NULL) { - VALID_ERR2(XML_RELAXNG_ERR_INTEREXTRA, - (const xmlChar *) "noname"); - } else { - VALID_ERR2(XML_RELAXNG_ERR_INTEREXTRA, cur->name); - } - ret = -1; - ctxt->state = oldstate; - goto done; - } - } else { - ret = -1; - break; - } - if (lasts[i] != NULL) { - lasts[i]->next = last; - } - } - if (ctxt->state != NULL) - xmlRelaxNGFreeValidState(ctxt, ctxt->state); - ctxt->state = oldstate; - ctxt->state->seq = lastelem; - if (ret != 0) { - VALID_ERR(XML_RELAXNG_ERR_INTERSEQ); - ret = -1; - goto done; - } - - done: - ctxt->flags = oldflags; - /* - * builds the next links chain from the prev one - */ - cur = lastchg; - while (cur != NULL) { - if ((cur == start) || (cur->prev == NULL)) - break; - cur->prev->next = cur; - cur = cur->prev; - } - if (ret == 0) { - if (ctxt->errNr > errNr) - xmlRelaxNGPopErrors(ctxt, errNr); - } - - xmlFree(list); - xmlFree(lasts); - return (ret); -} - -/** - * xmlRelaxNGValidateDefinitionList: - * @ctxt: a Relax-NG validation context - * @define: the list of definition to verify - * - * Validate the given node content against the (list) of definitions - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateDefinitionList(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr defines) -{ - int ret = 0, res; - - - if (defines == NULL) { - VALID_ERR2(XML_RELAXNG_ERR_INTERNAL, - BAD_CAST "NULL definition list"); - return (-1); - } - while (defines != NULL) { - if ((ctxt->state != NULL) || (ctxt->states != NULL)) { - res = xmlRelaxNGValidateDefinition(ctxt, defines); - if (res < 0) - ret = -1; - } else { - VALID_ERR(XML_RELAXNG_ERR_NOSTATE); - return (-1); - } - if (res == -1) /* continues on -2 */ - break; - defines = defines->next; - } - - return (ret); -} - -/** - * xmlRelaxNGElementMatch: - * @ctxt: a Relax-NG validation context - * @define: the definition to check - * @elem: the element - * - * Check if the element matches the definition nameClass - * - * Returns 1 if the element matches, 0 if no, or -1 in case of error - */ -static int -xmlRelaxNGElementMatch(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr define, xmlNodePtr elem) -{ - int ret = 0, oldflags = 0; - - if (define->name != NULL) { - if (!xmlStrEqual(elem->name, define->name)) { - VALID_ERR3(XML_RELAXNG_ERR_ELEMNAME, define->name, elem->name); - return (0); - } - } - if ((define->ns != NULL) && (define->ns[0] != 0)) { - if (elem->ns == NULL) { - VALID_ERR2(XML_RELAXNG_ERR_ELEMNONS, elem->name); - return (0); - } else if (!xmlStrEqual(elem->ns->href, define->ns)) { - VALID_ERR3(XML_RELAXNG_ERR_ELEMWRONGNS, - elem->name, define->ns); - return (0); - } - } else if ((elem->ns != NULL) && (define->ns != NULL) && - (define->name == NULL)) { - VALID_ERR2(XML_RELAXNG_ERR_ELEMEXTRANS, elem->name); - return (0); - } else if ((elem->ns != NULL) && (define->name != NULL)) { - VALID_ERR2(XML_RELAXNG_ERR_ELEMEXTRANS, define->name); - return (0); - } - - if (define->nameClass == NULL) - return (1); - - define = define->nameClass; - if (define->type == XML_RELAXNG_EXCEPT) { - xmlRelaxNGDefinePtr list; - - if (ctxt != NULL) { - oldflags = ctxt->flags; - ctxt->flags |= FLAGS_IGNORABLE; - } - - list = define->content; - while (list != NULL) { - ret = xmlRelaxNGElementMatch(ctxt, list, elem); - if (ret == 1) { - if (ctxt != NULL) - ctxt->flags = oldflags; - return (0); - } - if (ret < 0) { - if (ctxt != NULL) - ctxt->flags = oldflags; - return (ret); - } - list = list->next; - } - ret = 1; - if (ctxt != NULL) { - ctxt->flags = oldflags; - } - } else if (define->type == XML_RELAXNG_CHOICE) { - xmlRelaxNGDefinePtr list; - - if (ctxt != NULL) { - oldflags = ctxt->flags; - ctxt->flags |= FLAGS_IGNORABLE; - } - - list = define->nameClass; - while (list != NULL) { - ret = xmlRelaxNGElementMatch(ctxt, list, elem); - if (ret == 1) { - if (ctxt != NULL) - ctxt->flags = oldflags; - return (1); - } - if (ret < 0) { - if (ctxt != NULL) - ctxt->flags = oldflags; - return (ret); - } - list = list->next; - } - if (ctxt != NULL) { - if (ret != 0) { - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) - xmlRelaxNGDumpValidError(ctxt); - } else { - if (ctxt->errNr > 0) - xmlRelaxNGPopErrors(ctxt, 0); - } - } - ret = 0; - if (ctxt != NULL) { - ctxt->flags = oldflags; - } - } else { - TODO ret = -1; - } - return (ret); -} - -/** - * xmlRelaxNGBestState: - * @ctxt: a Relax-NG validation context - * - * Find the "best" state in the ctxt->states list of states to report - * errors about. I.e. a state with no element left in the child list - * or the one with the less attributes left. - * This is called only if a falidation error was detected - * - * Returns the index of the "best" state or -1 in case of error - */ -static int -xmlRelaxNGBestState(xmlRelaxNGValidCtxtPtr ctxt) -{ - xmlRelaxNGValidStatePtr state; - int i, tmp; - int best = -1; - int value = 1000000; - - if ((ctxt == NULL) || (ctxt->states == NULL) || - (ctxt->states->nbState <= 0)) - return (-1); - - for (i = 0; i < ctxt->states->nbState; i++) { - state = ctxt->states->tabState[i]; - if (state == NULL) - continue; - if (state->seq != NULL) { - if ((best == -1) || (value > 100000)) { - value = 100000; - best = i; - } - } else { - tmp = state->nbAttrLeft; - if ((best == -1) || (value > tmp)) { - value = tmp; - best = i; - } - } - } - return (best); -} - -/** - * xmlRelaxNGLogBestError: - * @ctxt: a Relax-NG validation context - * - * Find the "best" state in the ctxt->states list of states to report - * errors about and log it. - */ -static void -xmlRelaxNGLogBestError(xmlRelaxNGValidCtxtPtr ctxt) -{ - int best; - - if ((ctxt == NULL) || (ctxt->states == NULL) || - (ctxt->states->nbState <= 0)) - return; - - best = xmlRelaxNGBestState(ctxt); - if ((best >= 0) && (best < ctxt->states->nbState)) { - ctxt->state = ctxt->states->tabState[best]; - - xmlRelaxNGValidateElementEnd(ctxt, 1); - } -} - -/** - * xmlRelaxNGValidateElementEnd: - * @ctxt: a Relax-NG validation context - * @dolog: indicate that error logging should be done - * - * Validate the end of the element, implements check that - * there is nothing left not consumed in the element content - * or in the attribute list. - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateElementEnd(xmlRelaxNGValidCtxtPtr ctxt, int dolog) -{ - int i; - xmlRelaxNGValidStatePtr state; - - state = ctxt->state; - if (state->seq != NULL) { - state->seq = xmlRelaxNGSkipIgnored(ctxt, state->seq); - if (state->seq != NULL) { - if (dolog) { - VALID_ERR3(XML_RELAXNG_ERR_EXTRACONTENT, - state->node->name, state->seq->name); - } - return (-1); - } - } - for (i = 0; i < state->nbAttrs; i++) { - if (state->attrs[i] != NULL) { - if (dolog) { - VALID_ERR3(XML_RELAXNG_ERR_INVALIDATTR, - state->attrs[i]->name, state->node->name); - } - return (-1 - i); - } - } - return (0); -} - -/** - * xmlRelaxNGValidateState: - * @ctxt: a Relax-NG validation context - * @define: the definition to verify - * - * Validate the current state against the definition - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateState(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr define) -{ - xmlNodePtr node; - int ret = 0, i, tmp, oldflags, errNr; - xmlRelaxNGValidStatePtr oldstate = NULL, state; - - if (define == NULL) { - VALID_ERR(XML_RELAXNG_ERR_NODEFINE); - return (-1); - } - - if (ctxt->state != NULL) { - node = ctxt->state->seq; - } else { - node = NULL; - } -#ifdef DEBUG - for (i = 0; i < ctxt->depth; i++) - xmlGenericError(xmlGenericErrorContext, " "); - xmlGenericError(xmlGenericErrorContext, - "Start validating %s ", xmlRelaxNGDefName(define)); - if (define->name != NULL) - xmlGenericError(xmlGenericErrorContext, "%s ", define->name); - if ((node != NULL) && (node->name != NULL)) - xmlGenericError(xmlGenericErrorContext, "on %s\n", node->name); - else - xmlGenericError(xmlGenericErrorContext, "\n"); -#endif - ctxt->depth++; - switch (define->type) { - case XML_RELAXNG_EMPTY: - xmlRelaxNGSkipIgnored(ctxt, node); - ret = 0; - break; - case XML_RELAXNG_NOT_ALLOWED: - ret = -1; - break; - case XML_RELAXNG_TEXT: - while ((node != NULL) && - ((node->type == XML_TEXT_NODE) || - (node->type == XML_COMMENT_NODE) || - (node->type == XML_PI_NODE) || - (node->type == XML_CDATA_SECTION_NODE))) - node = node->next; - ctxt->state->seq = node; - break; - case XML_RELAXNG_ELEMENT: - errNr = ctxt->errNr; - node = xmlRelaxNGSkipIgnored(ctxt, node); - if (node == NULL) { - VALID_ERR2(XML_RELAXNG_ERR_NOELEM, define->name); - ret = -1; - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) - xmlRelaxNGDumpValidError(ctxt); - break; - } - if (node->type != XML_ELEMENT_NODE) { - VALID_ERR(XML_RELAXNG_ERR_NOTELEM); - ret = -1; - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) - xmlRelaxNGDumpValidError(ctxt); - break; - } - /* - * This node was already validated successfully against - * this definition. - */ - if (node->psvi == define) { - ctxt->state->seq = xmlRelaxNGSkipIgnored(ctxt, node->next); - if (ctxt->errNr > errNr) - xmlRelaxNGPopErrors(ctxt, errNr); - if (ctxt->errNr != 0) { - while ((ctxt->err != NULL) && - (((ctxt->err->err == XML_RELAXNG_ERR_ELEMNAME) - && (xmlStrEqual(ctxt->err->arg2, node->name))) - || - ((ctxt->err->err == - XML_RELAXNG_ERR_ELEMEXTRANS) - && (xmlStrEqual(ctxt->err->arg1, node->name))) - || (ctxt->err->err == XML_RELAXNG_ERR_NOELEM) - || (ctxt->err->err == - XML_RELAXNG_ERR_NOTELEM))) - xmlRelaxNGValidErrorPop(ctxt); - } - break; - } - - ret = xmlRelaxNGElementMatch(ctxt, define, node); - if (ret <= 0) { - ret = -1; - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) - xmlRelaxNGDumpValidError(ctxt); - break; - } - ret = 0; - if (ctxt->errNr != 0) { - if (ctxt->errNr > errNr) - xmlRelaxNGPopErrors(ctxt, errNr); - while ((ctxt->err != NULL) && - (((ctxt->err->err == XML_RELAXNG_ERR_ELEMNAME) && - (xmlStrEqual(ctxt->err->arg2, node->name))) || - ((ctxt->err->err == XML_RELAXNG_ERR_ELEMEXTRANS) && - (xmlStrEqual(ctxt->err->arg1, node->name))) || - (ctxt->err->err == XML_RELAXNG_ERR_NOELEM) || - (ctxt->err->err == XML_RELAXNG_ERR_NOTELEM))) - xmlRelaxNGValidErrorPop(ctxt); - } - errNr = ctxt->errNr; - - oldflags = ctxt->flags; - if (ctxt->flags & FLAGS_MIXED_CONTENT) { - ctxt->flags -= FLAGS_MIXED_CONTENT; - } - state = xmlRelaxNGNewValidState(ctxt, node); - if (state == NULL) { - ret = -1; - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) - xmlRelaxNGDumpValidError(ctxt); - break; - } - - oldstate = ctxt->state; - ctxt->state = state; - if (define->attrs != NULL) { - tmp = xmlRelaxNGValidateAttributeList(ctxt, define->attrs); - if (tmp != 0) { - ret = -1; - VALID_ERR2(XML_RELAXNG_ERR_ATTRVALID, node->name); - } - } - if (define->contModel != NULL) { - xmlRelaxNGValidStatePtr nstate, tmpstate = ctxt->state; - xmlRelaxNGStatesPtr tmpstates = ctxt->states; - xmlNodePtr nseq; - - nstate = xmlRelaxNGNewValidState(ctxt, node); - ctxt->state = nstate; - ctxt->states = NULL; - - tmp = xmlRelaxNGValidateCompiledContent(ctxt, - define->contModel, - ctxt->state->seq); - nseq = ctxt->state->seq; - ctxt->state = tmpstate; - ctxt->states = tmpstates; - xmlRelaxNGFreeValidState(ctxt, nstate); - -#ifdef DEBUG_COMPILE - xmlGenericError(xmlGenericErrorContext, - "Validating content of '%s' : %d\n", - define->name, tmp); -#endif - if (tmp != 0) - ret = -1; - - if (ctxt->states != NULL) { - tmp = -1; - - for (i = 0; i < ctxt->states->nbState; i++) { - state = ctxt->states->tabState[i]; - ctxt->state = state; - ctxt->state->seq = nseq; - - if (xmlRelaxNGValidateElementEnd(ctxt, 0) == 0) { - tmp = 0; - break; - } - } - if (tmp != 0) { - /* - * validation error, log the message for the "best" one - */ - ctxt->flags |= FLAGS_IGNORABLE; - xmlRelaxNGLogBestError(ctxt); - } - for (i = 0; i < ctxt->states->nbState; i++) { - xmlRelaxNGFreeValidState(ctxt, - ctxt->states-> - tabState[i]); - } - xmlRelaxNGFreeStates(ctxt, ctxt->states); - ctxt->flags = oldflags; - ctxt->states = NULL; - if ((ret == 0) && (tmp == -1)) - ret = -1; - } else { - state = ctxt->state; - if (ctxt->state != NULL) - ctxt->state->seq = nseq; - if (ret == 0) - ret = xmlRelaxNGValidateElementEnd(ctxt, 1); - xmlRelaxNGFreeValidState(ctxt, state); - } - } else { - if (define->content != NULL) { - tmp = xmlRelaxNGValidateDefinitionList(ctxt, - define-> - content); - if (tmp != 0) { - ret = -1; - if (ctxt->state == NULL) { - ctxt->state = oldstate; - VALID_ERR2(XML_RELAXNG_ERR_CONTENTVALID, - node->name); - ctxt->state = NULL; - } else { - VALID_ERR2(XML_RELAXNG_ERR_CONTENTVALID, - node->name); - } - - } - } - if (ctxt->states != NULL) { - tmp = -1; - - for (i = 0; i < ctxt->states->nbState; i++) { - state = ctxt->states->tabState[i]; - ctxt->state = state; - - if (xmlRelaxNGValidateElementEnd(ctxt, 0) == 0) { - tmp = 0; - break; - } - } - if (tmp != 0) { - /* - * validation error, log the message for the "best" one - */ - ctxt->flags |= FLAGS_IGNORABLE; - xmlRelaxNGLogBestError(ctxt); - } - for (i = 0; i < ctxt->states->nbState; i++) { - xmlRelaxNGFreeValidState(ctxt, - ctxt->states->tabState[i]); - ctxt->states->tabState[i] = NULL; - } - xmlRelaxNGFreeStates(ctxt, ctxt->states); - ctxt->flags = oldflags; - ctxt->states = NULL; - if ((ret == 0) && (tmp == -1)) - ret = -1; - } else { - state = ctxt->state; - if (ret == 0) - ret = xmlRelaxNGValidateElementEnd(ctxt, 1); - xmlRelaxNGFreeValidState(ctxt, state); - } - } - if (ret == 0) { - node->psvi = define; - } - ctxt->flags = oldflags; - ctxt->state = oldstate; - if (oldstate != NULL) - oldstate->seq = xmlRelaxNGSkipIgnored(ctxt, node->next); - if (ret != 0) { - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) { - xmlRelaxNGDumpValidError(ctxt); - ret = 0; -#if 0 - } else { - ret = -2; -#endif - } - } else { - if (ctxt->errNr > errNr) - xmlRelaxNGPopErrors(ctxt, errNr); - } - -#ifdef DEBUG - xmlGenericError(xmlGenericErrorContext, - "xmlRelaxNGValidateDefinition(): validated %s : %d", - node->name, ret); - if (oldstate == NULL) - xmlGenericError(xmlGenericErrorContext, ": no state\n"); - else if (oldstate->seq == NULL) - xmlGenericError(xmlGenericErrorContext, ": done\n"); - else if (oldstate->seq->type == XML_ELEMENT_NODE) - xmlGenericError(xmlGenericErrorContext, ": next elem %s\n", - oldstate->seq->name); - else - xmlGenericError(xmlGenericErrorContext, ": next %s %d\n", - oldstate->seq->name, oldstate->seq->type); -#endif - break; - case XML_RELAXNG_OPTIONAL:{ - errNr = ctxt->errNr; - oldflags = ctxt->flags; - ctxt->flags |= FLAGS_IGNORABLE; - oldstate = xmlRelaxNGCopyValidState(ctxt, ctxt->state); - ret = - xmlRelaxNGValidateDefinitionList(ctxt, - define->content); - if (ret != 0) { - if (ctxt->state != NULL) - xmlRelaxNGFreeValidState(ctxt, ctxt->state); - ctxt->state = oldstate; - ctxt->flags = oldflags; - ret = 0; - if (ctxt->errNr > errNr) - xmlRelaxNGPopErrors(ctxt, errNr); - break; - } - if (ctxt->states != NULL) { - xmlRelaxNGAddStates(ctxt, ctxt->states, oldstate); - } else { - ctxt->states = xmlRelaxNGNewStates(ctxt, 1); - if (ctxt->states == NULL) { - xmlRelaxNGFreeValidState(ctxt, oldstate); - ctxt->flags = oldflags; - ret = -1; - if (ctxt->errNr > errNr) - xmlRelaxNGPopErrors(ctxt, errNr); - break; - } - xmlRelaxNGAddStates(ctxt, ctxt->states, oldstate); - xmlRelaxNGAddStates(ctxt, ctxt->states, ctxt->state); - ctxt->state = NULL; - } - ctxt->flags = oldflags; - ret = 0; - if (ctxt->errNr > errNr) - xmlRelaxNGPopErrors(ctxt, errNr); - break; - } - case XML_RELAXNG_ONEORMORE: - errNr = ctxt->errNr; - ret = xmlRelaxNGValidateDefinitionList(ctxt, define->content); - if (ret != 0) { - break; - } - if (ctxt->errNr > errNr) - xmlRelaxNGPopErrors(ctxt, errNr); - /* no break on purpose */ - case XML_RELAXNG_ZEROORMORE:{ - int progress; - xmlRelaxNGStatesPtr states = NULL, res = NULL; - int base, j; - - errNr = ctxt->errNr; - res = xmlRelaxNGNewStates(ctxt, 1); - if (res == NULL) { - ret = -1; - break; - } - /* - * All the input states are also exit states - */ - if (ctxt->state != NULL) { - xmlRelaxNGAddStates(ctxt, res, - xmlRelaxNGCopyValidState(ctxt, - ctxt-> - state)); - } else { - for (j = 0; j < ctxt->states->nbState; j++) { - xmlRelaxNGAddStates(ctxt, res, - xmlRelaxNGCopyValidState(ctxt, - ctxt->states->tabState[j])); - } - } - oldflags = ctxt->flags; - ctxt->flags |= FLAGS_IGNORABLE; - do { - progress = 0; - base = res->nbState; - - if (ctxt->states != NULL) { - states = ctxt->states; - for (i = 0; i < states->nbState; i++) { - ctxt->state = states->tabState[i]; - ctxt->states = NULL; - ret = xmlRelaxNGValidateDefinitionList(ctxt, - define-> - content); - if (ret == 0) { - if (ctxt->state != NULL) { - tmp = xmlRelaxNGAddStates(ctxt, res, - ctxt->state); - ctxt->state = NULL; - if (tmp == 1) - progress = 1; - } else if (ctxt->states != NULL) { - for (j = 0; j < ctxt->states->nbState; - j++) { - tmp = - xmlRelaxNGAddStates(ctxt, res, - ctxt->states->tabState[j]); - if (tmp == 1) - progress = 1; - } - xmlRelaxNGFreeStates(ctxt, - ctxt->states); - ctxt->states = NULL; - } - } else { - if (ctxt->state != NULL) { - xmlRelaxNGFreeValidState(ctxt, - ctxt->state); - ctxt->state = NULL; - } - } - } - } else { - ret = xmlRelaxNGValidateDefinitionList(ctxt, - define-> - content); - if (ret != 0) { - xmlRelaxNGFreeValidState(ctxt, ctxt->state); - ctxt->state = NULL; - } else { - base = res->nbState; - if (ctxt->state != NULL) { - tmp = xmlRelaxNGAddStates(ctxt, res, - ctxt->state); - ctxt->state = NULL; - if (tmp == 1) - progress = 1; - } else if (ctxt->states != NULL) { - for (j = 0; j < ctxt->states->nbState; j++) { - tmp = xmlRelaxNGAddStates(ctxt, res, - ctxt->states->tabState[j]); - if (tmp == 1) - progress = 1; - } - if (states == NULL) { - states = ctxt->states; - } else { - xmlRelaxNGFreeStates(ctxt, - ctxt->states); - } - ctxt->states = NULL; - } - } - } - if (progress) { - /* - * Collect all the new nodes added at that step - * and make them the new node set - */ - if (res->nbState - base == 1) { - ctxt->state = xmlRelaxNGCopyValidState(ctxt, - res-> - tabState - [base]); - } else { - if (states == NULL) { - xmlRelaxNGNewStates(ctxt, - res->nbState - base); - states = ctxt->states; - if (states == NULL) { - progress = 0; - break; - } - } - states->nbState = 0; - for (i = base; i < res->nbState; i++) - xmlRelaxNGAddStates(ctxt, states, - xmlRelaxNGCopyValidState - (ctxt, res->tabState[i])); - ctxt->states = states; - } - } - } while (progress == 1); - if (states != NULL) { - xmlRelaxNGFreeStates(ctxt, states); - } - ctxt->states = res; - ctxt->flags = oldflags; -#if 0 - /* - * errors may have to be propagated back... - */ - if (ctxt->errNr > errNr) - xmlRelaxNGPopErrors(ctxt, errNr); -#endif - ret = 0; - break; - } - case XML_RELAXNG_CHOICE:{ - xmlRelaxNGDefinePtr list = NULL; - xmlRelaxNGStatesPtr states = NULL; - - node = xmlRelaxNGSkipIgnored(ctxt, node); - - errNr = ctxt->errNr; - if ((define->dflags & IS_TRIABLE) && (define->data != NULL) && - (node != NULL)) { - /* - * node == NULL can't be optimized since IS_TRIABLE - * doesn't account for choice which may lead to - * only attributes. - */ - xmlHashTablePtr triage = - (xmlHashTablePtr) define->data; - - /* - * Something we can optimize cleanly there is only one - * possble branch out ! - */ - if ((node->type == XML_TEXT_NODE) || - (node->type == XML_CDATA_SECTION_NODE)) { - list = - xmlHashLookup2(triage, BAD_CAST "#text", NULL); - } else if (node->type == XML_ELEMENT_NODE) { - if (node->ns != NULL) { - list = xmlHashLookup2(triage, node->name, - node->ns->href); - if (list == NULL) - list = - xmlHashLookup2(triage, BAD_CAST "#any", - node->ns->href); - } else - list = - xmlHashLookup2(triage, node->name, NULL); - if (list == NULL) - list = - xmlHashLookup2(triage, BAD_CAST "#any", - NULL); - } - if (list == NULL) { - ret = -1; - VALID_ERR2(XML_RELAXNG_ERR_ELEMWRONG, node->name); - break; - } - ret = xmlRelaxNGValidateDefinition(ctxt, list); - if (ret == 0) { - } - break; - } - - list = define->content; - oldflags = ctxt->flags; - ctxt->flags |= FLAGS_IGNORABLE; - - while (list != NULL) { - oldstate = xmlRelaxNGCopyValidState(ctxt, ctxt->state); - ret = xmlRelaxNGValidateDefinition(ctxt, list); - if (ret == 0) { - if (states == NULL) { - states = xmlRelaxNGNewStates(ctxt, 1); - } - if (ctxt->state != NULL) { - xmlRelaxNGAddStates(ctxt, states, ctxt->state); - } else if (ctxt->states != NULL) { - for (i = 0; i < ctxt->states->nbState; i++) { - xmlRelaxNGAddStates(ctxt, states, - ctxt->states-> - tabState[i]); - } - xmlRelaxNGFreeStates(ctxt, ctxt->states); - ctxt->states = NULL; - } - } else { - xmlRelaxNGFreeValidState(ctxt, ctxt->state); - } - ctxt->state = oldstate; - list = list->next; - } - if (states != NULL) { - xmlRelaxNGFreeValidState(ctxt, oldstate); - ctxt->states = states; - ctxt->state = NULL; - ret = 0; - } else { - ctxt->states = NULL; - } - ctxt->flags = oldflags; - if (ret != 0) { - if ((ctxt->flags & FLAGS_IGNORABLE) == 0) { - xmlRelaxNGDumpValidError(ctxt); - } - } else { - if (ctxt->errNr > errNr) - xmlRelaxNGPopErrors(ctxt, errNr); - } - break; - } - case XML_RELAXNG_DEF: - case XML_RELAXNG_GROUP: - ret = xmlRelaxNGValidateDefinitionList(ctxt, define->content); - break; - case XML_RELAXNG_INTERLEAVE: - ret = xmlRelaxNGValidateInterleave(ctxt, define); - break; - case XML_RELAXNG_ATTRIBUTE: - ret = xmlRelaxNGValidateAttribute(ctxt, define); - break; - case XML_RELAXNG_START: - case XML_RELAXNG_NOOP: - case XML_RELAXNG_REF: - case XML_RELAXNG_EXTERNALREF: - case XML_RELAXNG_PARENTREF: - ret = xmlRelaxNGValidateDefinition(ctxt, define->content); - break; - case XML_RELAXNG_DATATYPE:{ - xmlNodePtr child; - xmlChar *content = NULL; - - child = node; - while (child != NULL) { - if (child->type == XML_ELEMENT_NODE) { - VALID_ERR2(XML_RELAXNG_ERR_DATAELEM, - node->parent->name); - ret = -1; - break; - } else if ((child->type == XML_TEXT_NODE) || - (child->type == XML_CDATA_SECTION_NODE)) { - content = xmlStrcat(content, child->content); - } - /* TODO: handle entities ... */ - child = child->next; - } - if (ret == -1) { - if (content != NULL) - xmlFree(content); - break; - } - if (content == NULL) { - content = xmlStrdup(BAD_CAST ""); - if (content == NULL) { - xmlRngVErrMemory(ctxt, "validating\n"); - ret = -1; - break; - } - } - ret = xmlRelaxNGValidateDatatype(ctxt, content, define, - ctxt->state->seq); - if (ret == -1) { - VALID_ERR2(XML_RELAXNG_ERR_DATATYPE, define->name); - } else if (ret == 0) { - ctxt->state->seq = NULL; - } - if (content != NULL) - xmlFree(content); - break; - } - case XML_RELAXNG_VALUE:{ - xmlChar *content = NULL; - xmlChar *oldvalue; - xmlNodePtr child; - - child = node; - while (child != NULL) { - if (child->type == XML_ELEMENT_NODE) { - VALID_ERR2(XML_RELAXNG_ERR_VALELEM, - node->parent->name); - ret = -1; - break; - } else if ((child->type == XML_TEXT_NODE) || - (child->type == XML_CDATA_SECTION_NODE)) { - content = xmlStrcat(content, child->content); - } - /* TODO: handle entities ... */ - child = child->next; - } - if (ret == -1) { - if (content != NULL) - xmlFree(content); - break; - } - if (content == NULL) { - content = xmlStrdup(BAD_CAST ""); - if (content == NULL) { - xmlRngVErrMemory(ctxt, "validating\n"); - ret = -1; - break; - } - } - oldvalue = ctxt->state->value; - ctxt->state->value = content; - ret = xmlRelaxNGValidateValue(ctxt, define); - ctxt->state->value = oldvalue; - if (ret == -1) { - VALID_ERR2(XML_RELAXNG_ERR_VALUE, define->name); - } else if (ret == 0) { - ctxt->state->seq = NULL; - } - if (content != NULL) - xmlFree(content); - break; - } - case XML_RELAXNG_LIST:{ - xmlChar *content; - xmlNodePtr child; - xmlChar *oldvalue, *oldendvalue; - int len; - - /* - * Make sure it's only text nodes - */ - - content = NULL; - child = node; - while (child != NULL) { - if (child->type == XML_ELEMENT_NODE) { - VALID_ERR2(XML_RELAXNG_ERR_LISTELEM, - node->parent->name); - ret = -1; - break; - } else if ((child->type == XML_TEXT_NODE) || - (child->type == XML_CDATA_SECTION_NODE)) { - content = xmlStrcat(content, child->content); - } - /* TODO: handle entities ... */ - child = child->next; - } - if (ret == -1) { - if (content != NULL) - xmlFree(content); - break; - } - if (content == NULL) { - content = xmlStrdup(BAD_CAST ""); - if (content == NULL) { - xmlRngVErrMemory(ctxt, "validating\n"); - ret = -1; - break; - } - } - len = xmlStrlen(content); - oldvalue = ctxt->state->value; - oldendvalue = ctxt->state->endvalue; - ctxt->state->value = content; - ctxt->state->endvalue = content + len; - ret = xmlRelaxNGValidateValue(ctxt, define); - ctxt->state->value = oldvalue; - ctxt->state->endvalue = oldendvalue; - if (ret == -1) { - VALID_ERR(XML_RELAXNG_ERR_LIST); - } else if ((ret == 0) && (node != NULL)) { - ctxt->state->seq = node->next; - } - if (content != NULL) - xmlFree(content); - break; - } - case XML_RELAXNG_EXCEPT: - case XML_RELAXNG_PARAM: - TODO ret = -1; - break; - } - ctxt->depth--; -#ifdef DEBUG - for (i = 0; i < ctxt->depth; i++) - xmlGenericError(xmlGenericErrorContext, " "); - xmlGenericError(xmlGenericErrorContext, - "Validating %s ", xmlRelaxNGDefName(define)); - if (define->name != NULL) - xmlGenericError(xmlGenericErrorContext, "%s ", define->name); - if (ret == 0) - xmlGenericError(xmlGenericErrorContext, "suceeded\n"); - else - xmlGenericError(xmlGenericErrorContext, "failed\n"); -#endif - return (ret); -} - -/** - * xmlRelaxNGValidateDefinition: - * @ctxt: a Relax-NG validation context - * @define: the definition to verify - * - * Validate the current node lists against the definition - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateDefinition(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGDefinePtr define) -{ - xmlRelaxNGStatesPtr states, res; - int i, j, k, ret, oldflags; - - /* - * We should NOT have both ctxt->state and ctxt->states - */ - if ((ctxt->state != NULL) && (ctxt->states != NULL)) { - TODO xmlRelaxNGFreeValidState(ctxt, ctxt->state); - ctxt->state = NULL; - } - - if ((ctxt->states == NULL) || (ctxt->states->nbState == 1)) { - if (ctxt->states != NULL) { - ctxt->state = ctxt->states->tabState[0]; - xmlRelaxNGFreeStates(ctxt, ctxt->states); - ctxt->states = NULL; - } - ret = xmlRelaxNGValidateState(ctxt, define); - if ((ctxt->state != NULL) && (ctxt->states != NULL)) { - TODO xmlRelaxNGFreeValidState(ctxt, ctxt->state); - ctxt->state = NULL; - } - if ((ctxt->states != NULL) && (ctxt->states->nbState == 1)) { - ctxt->state = ctxt->states->tabState[0]; - xmlRelaxNGFreeStates(ctxt, ctxt->states); - ctxt->states = NULL; - } - return (ret); - } - - states = ctxt->states; - ctxt->states = NULL; - res = NULL; - j = 0; - oldflags = ctxt->flags; - ctxt->flags |= FLAGS_IGNORABLE; - for (i = 0; i < states->nbState; i++) { - ctxt->state = states->tabState[i]; - ctxt->states = NULL; - ret = xmlRelaxNGValidateState(ctxt, define); - /* - * We should NOT have both ctxt->state and ctxt->states - */ - if ((ctxt->state != NULL) && (ctxt->states != NULL)) { - TODO xmlRelaxNGFreeValidState(ctxt, ctxt->state); - ctxt->state = NULL; - } - if (ret == 0) { - if (ctxt->states == NULL) { - if (res != NULL) { - /* add the state to the container */ - xmlRelaxNGAddStates(ctxt, res, ctxt->state); - ctxt->state = NULL; - } else { - /* add the state directly in states */ - states->tabState[j++] = ctxt->state; - ctxt->state = NULL; - } - } else { - if (res == NULL) { - /* make it the new container and copy other results */ - res = ctxt->states; - ctxt->states = NULL; - for (k = 0; k < j; k++) - xmlRelaxNGAddStates(ctxt, res, - states->tabState[k]); - } else { - /* add all the new results to res and reff the container */ - for (k = 0; k < ctxt->states->nbState; k++) - xmlRelaxNGAddStates(ctxt, res, - ctxt->states->tabState[k]); - xmlRelaxNGFreeStates(ctxt, ctxt->states); - ctxt->states = NULL; - } - } - } else { - if (ctxt->state != NULL) { - xmlRelaxNGFreeValidState(ctxt, ctxt->state); - ctxt->state = NULL; - } else if (ctxt->states != NULL) { - for (k = 0; k < ctxt->states->nbState; k++) - xmlRelaxNGFreeValidState(ctxt, - ctxt->states->tabState[k]); - xmlRelaxNGFreeStates(ctxt, ctxt->states); - ctxt->states = NULL; - } - } - } - ctxt->flags = oldflags; - if (res != NULL) { - xmlRelaxNGFreeStates(ctxt, states); - ctxt->states = res; - ret = 0; - } else if (j > 1) { - states->nbState = j; - ctxt->states = states; - ret = 0; - } else if (j == 1) { - ctxt->state = states->tabState[0]; - xmlRelaxNGFreeStates(ctxt, states); - ret = 0; - } else { - ret = -1; - xmlRelaxNGFreeStates(ctxt, states); - if (ctxt->states != NULL) { - xmlRelaxNGFreeStates(ctxt, ctxt->states); - ctxt->states = NULL; - } - } - if ((ctxt->state != NULL) && (ctxt->states != NULL)) { - TODO xmlRelaxNGFreeValidState(ctxt, ctxt->state); - ctxt->state = NULL; - } - return (ret); -} - -/** - * xmlRelaxNGValidateDocument: - * @ctxt: a Relax-NG validation context - * @doc: the document - * - * Validate the given document - * - * Returns 0 if the validation succeeded or an error code. - */ -static int -xmlRelaxNGValidateDocument(xmlRelaxNGValidCtxtPtr ctxt, xmlDocPtr doc) -{ - int ret; - xmlRelaxNGPtr schema; - xmlRelaxNGGrammarPtr grammar; - xmlRelaxNGValidStatePtr state; - xmlNodePtr node; - - if ((ctxt == NULL) || (ctxt->schema == NULL) || (doc == NULL)) - return (-1); - - ctxt->errNo = XML_RELAXNG_OK; - schema = ctxt->schema; - grammar = schema->topgrammar; - if (grammar == NULL) { - VALID_ERR(XML_RELAXNG_ERR_NOGRAMMAR); - return (-1); - } - state = xmlRelaxNGNewValidState(ctxt, NULL); - ctxt->state = state; - ret = xmlRelaxNGValidateDefinition(ctxt, grammar->start); - if ((ctxt->state != NULL) && (state->seq != NULL)) { - state = ctxt->state; - node = state->seq; - node = xmlRelaxNGSkipIgnored(ctxt, node); - if (node != NULL) { - if (ret != -1) { - VALID_ERR(XML_RELAXNG_ERR_EXTRADATA); - ret = -1; - } - } - } else if (ctxt->states != NULL) { - int i; - int tmp = -1; - - for (i = 0; i < ctxt->states->nbState; i++) { - state = ctxt->states->tabState[i]; - node = state->seq; - node = xmlRelaxNGSkipIgnored(ctxt, node); - if (node == NULL) - tmp = 0; - xmlRelaxNGFreeValidState(ctxt, state); - } - if (tmp == -1) { - if (ret != -1) { - VALID_ERR(XML_RELAXNG_ERR_EXTRADATA); - ret = -1; - } - } - } - if (ctxt->state != NULL) { - xmlRelaxNGFreeValidState(ctxt, ctxt->state); - ctxt->state = NULL; - } - if (ret != 0) - xmlRelaxNGDumpValidError(ctxt); -#ifdef DEBUG - else if (ctxt->errNr != 0) { - ctxt->error(ctxt->userData, - "%d Extra error messages left on stack !\n", - ctxt->errNr); - xmlRelaxNGDumpValidError(ctxt); - } -#endif -#ifdef LIBXML_VALID_ENABLED - if (ctxt->idref == 1) { - xmlValidCtxt vctxt; - - memset(&vctxt, 0, sizeof(xmlValidCtxt)); - vctxt.valid = 1; - vctxt.error = ctxt->error; - vctxt.warning = ctxt->warning; - vctxt.userData = ctxt->userData; - - if (xmlValidateDocumentFinal(&vctxt, doc) != 1) - ret = -1; - } -#endif /* LIBXML_VALID_ENABLED */ - if ((ret == 0) && (ctxt->errNo != XML_RELAXNG_OK)) - ret = -1; - - return (ret); -} - -/** - * xmlRelaxNGCleanPSVI: - * @node: an input element or document - * - * Call this routine to speed up XPath computation on static documents. - * This stamps all the element nodes with the document order - * Like for line information, the order is kept in the element->content - * field, the value stored is actually - the node number (starting at -1) - * to be able to differentiate from line numbers. - * - * Returns the number of elements found in the document or -1 in case - * of error. - */ -static void -xmlRelaxNGCleanPSVI(xmlNodePtr node) { - xmlNodePtr cur; - - if ((node == NULL) || - ((node->type != XML_ELEMENT_NODE) && - (node->type != XML_DOCUMENT_NODE) && - (node->type != XML_HTML_DOCUMENT_NODE))) - return; - if (node->type == XML_ELEMENT_NODE) - node->psvi = NULL; - - cur = node->children; - while (cur != NULL) { - if (cur->type == XML_ELEMENT_NODE) { - cur->psvi = NULL; - if (cur->children != NULL) { - cur = cur->children; - continue; - } - } - if (cur->next != NULL) { - cur = cur->next; - continue; - } - do { - cur = cur->parent; - if (cur == NULL) - break; - if (cur == node) { - cur = NULL; - break; - } - if (cur->next != NULL) { - cur = cur->next; - break; - } - } while (cur != NULL); - } - return; -} -/************************************************************************ - * * - * Validation interfaces * - * * - ************************************************************************/ - -/** - * xmlRelaxNGNewValidCtxt: - * @schema: a precompiled XML RelaxNGs - * - * Create an XML RelaxNGs validation context based on the given schema - * - * Returns the validation context or NULL in case of error - */ -xmlRelaxNGValidCtxtPtr -xmlRelaxNGNewValidCtxt(xmlRelaxNGPtr schema) -{ - xmlRelaxNGValidCtxtPtr ret; - - ret = (xmlRelaxNGValidCtxtPtr) xmlMalloc(sizeof(xmlRelaxNGValidCtxt)); - if (ret == NULL) { - xmlRngVErrMemory(NULL, "building context\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlRelaxNGValidCtxt)); - ret->schema = schema; - ret->error = xmlGenericError; - ret->userData = xmlGenericErrorContext; - ret->errNr = 0; - ret->errMax = 0; - ret->err = NULL; - ret->errTab = NULL; - if (schema != NULL) - ret->idref = schema->idref; - ret->states = NULL; - ret->freeState = NULL; - ret->freeStates = NULL; - ret->errNo = XML_RELAXNG_OK; - return (ret); -} - -/** - * xmlRelaxNGFreeValidCtxt: - * @ctxt: the schema validation context - * - * Free the resources associated to the schema validation context - */ -void -xmlRelaxNGFreeValidCtxt(xmlRelaxNGValidCtxtPtr ctxt) -{ - int k; - - if (ctxt == NULL) - return; - if (ctxt->states != NULL) - xmlRelaxNGFreeStates(NULL, ctxt->states); - if (ctxt->freeState != NULL) { - for (k = 0; k < ctxt->freeState->nbState; k++) { - xmlRelaxNGFreeValidState(NULL, ctxt->freeState->tabState[k]); - } - xmlRelaxNGFreeStates(NULL, ctxt->freeState); - } - if (ctxt->freeStates != NULL) { - for (k = 0; k < ctxt->freeStatesNr; k++) { - xmlRelaxNGFreeStates(NULL, ctxt->freeStates[k]); - } - xmlFree(ctxt->freeStates); - } - if (ctxt->errTab != NULL) - xmlFree(ctxt->errTab); - if (ctxt->elemTab != NULL) { - xmlRegExecCtxtPtr exec; - - exec = xmlRelaxNGElemPop(ctxt); - while (exec != NULL) { - xmlRegFreeExecCtxt(exec); - exec = xmlRelaxNGElemPop(ctxt); - } - xmlFree(ctxt->elemTab); - } - xmlFree(ctxt); -} - -/** - * xmlRelaxNGSetValidErrors: - * @ctxt: a Relax-NG validation context - * @err: the error function - * @warn: the warning function - * @ctx: the functions context - * - * Set the error and warning callback informations - */ -void -xmlRelaxNGSetValidErrors(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGValidityErrorFunc err, - xmlRelaxNGValidityWarningFunc warn, void *ctx) -{ - if (ctxt == NULL) - return; - ctxt->error = err; - ctxt->warning = warn; - ctxt->userData = ctx; - ctxt->serror = NULL; -} - -/** - * xmlRelaxNGSetValidStructuredErrors: - * @ctxt: a Relax-NG validation context - * @serror: the structured error function - * @ctx: the functions context - * - * Set the structured error callback - */ -void -xmlRelaxNGSetValidStructuredErrors(xmlRelaxNGValidCtxtPtr ctxt, - xmlStructuredErrorFunc serror, void *ctx) -{ - if (ctxt == NULL) - return; - ctxt->serror = serror; - ctxt->error = NULL; - ctxt->warning = NULL; - ctxt->userData = ctx; -} - -/** - * xmlRelaxNGGetValidErrors: - * @ctxt: a Relax-NG validation context - * @err: the error function result - * @warn: the warning function result - * @ctx: the functions context result - * - * Get the error and warning callback informations - * - * Returns -1 in case of error and 0 otherwise - */ -int -xmlRelaxNGGetValidErrors(xmlRelaxNGValidCtxtPtr ctxt, - xmlRelaxNGValidityErrorFunc * err, - xmlRelaxNGValidityWarningFunc * warn, void **ctx) -{ - if (ctxt == NULL) - return (-1); - if (err != NULL) - *err = ctxt->error; - if (warn != NULL) - *warn = ctxt->warning; - if (ctx != NULL) - *ctx = ctxt->userData; - return (0); -} - -/** - * xmlRelaxNGValidateDoc: - * @ctxt: a Relax-NG validation context - * @doc: a parsed document tree - * - * Validate a document tree in memory. - * - * Returns 0 if the document is valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -int -xmlRelaxNGValidateDoc(xmlRelaxNGValidCtxtPtr ctxt, xmlDocPtr doc) -{ - int ret; - - if ((ctxt == NULL) || (doc == NULL)) - return (-1); - - ctxt->doc = doc; - - ret = xmlRelaxNGValidateDocument(ctxt, doc); - /* - * Remove all left PSVI - */ - xmlRelaxNGCleanPSVI((xmlNodePtr) doc); - - /* - * TODO: build error codes - */ - if (ret == -1) - return (1); - return (ret); -} - -#define bottom_relaxng -#include "elfgcchack.h" -#endif /* LIBXML_SCHEMAS_ENABLED */ -- cgit 1.2.3-korg