diff options
Diffstat (limited to 'external/libxml2_android/jni/libxml2/tree.c')
| -rw-r--r-- | external/libxml2_android/jni/libxml2/tree.c | 10122 |
1 files changed, 0 insertions, 10122 deletions
diff --git a/external/libxml2_android/jni/libxml2/tree.c b/external/libxml2_android/jni/libxml2/tree.c deleted file mode 100644 index 9d330b85..00000000 --- a/external/libxml2_android/jni/libxml2/tree.c +++ /dev/null @@ -1,10122 +0,0 @@ -/* - * tree.c : implementation of access function for an XML tree. - * - * References: - * XHTML 1.0 W3C REC: http://www.w3.org/TR/2002/REC-xhtml1-20020801/ - * - * See Copyright for the status of this software. - * - * daniel@veillard.com - * - */ - -#define IN_LIBXML -#include "libxml.h" - -#include <string.h> /* for memset() only ! */ -#include <limits.h> -#ifdef HAVE_CTYPE_H -#include <ctype.h> -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#ifdef HAVE_ZLIB_H -#include <zlib.h> -#endif - -#include <libxml/xmlmemory.h> -#include <libxml/tree.h> -#include <libxml/parser.h> -#include <libxml/uri.h> -#include <libxml/entities.h> -#include <libxml/valid.h> -#include <libxml/xmlerror.h> -#include <libxml/parserInternals.h> -#include <libxml/globals.h> -#ifdef LIBXML_HTML_ENABLED -#include <libxml/HTMLtree.h> -#endif -#ifdef LIBXML_DEBUG_ENABLED -#include <libxml/debugXML.h> -#endif - -#include "buf.h" -#include "save.h" - -int __xmlRegisterCallbacks = 0; - -/************************************************************************ - * * - * Forward declarations * - * * - ************************************************************************/ - -static xmlNsPtr -xmlNewReconciliedNs(xmlDocPtr doc, xmlNodePtr tree, xmlNsPtr ns); - -static xmlChar* xmlGetPropNodeValueInternal(const xmlAttr *prop); - -/************************************************************************ - * * - * Tree memory error handler * - * * - ************************************************************************/ -/** - * xmlTreeErrMemory: - * @extra: extra informations - * - * Handle an out of memory condition - */ -static void -xmlTreeErrMemory(const char *extra) -{ - __xmlSimpleError(XML_FROM_TREE, XML_ERR_NO_MEMORY, NULL, NULL, extra); -} - -/** - * xmlTreeErr: - * @code: the error number - * @extra: extra informations - * - * Handle an out of memory condition - */ -static void -xmlTreeErr(int code, xmlNodePtr node, const char *extra) -{ - const char *msg = NULL; - - switch(code) { - case XML_TREE_INVALID_HEX: - msg = "invalid hexadecimal character value\n"; - break; - case XML_TREE_INVALID_DEC: - msg = "invalid decimal character value\n"; - break; - case XML_TREE_UNTERMINATED_ENTITY: - msg = "unterminated entity reference %15s\n"; - break; - case XML_TREE_NOT_UTF8: - msg = "string is not in UTF-8\n"; - break; - default: - msg = "unexpected error number\n"; - } - __xmlSimpleError(XML_FROM_TREE, code, node, msg, extra); -} - -/************************************************************************ - * * - * A few static variables and macros * - * * - ************************************************************************/ -/* #undef xmlStringText */ -const xmlChar xmlStringText[] = { 't', 'e', 'x', 't', 0 }; -/* #undef xmlStringTextNoenc */ -const xmlChar xmlStringTextNoenc[] = - { 't', 'e', 'x', 't', 'n', 'o', 'e', 'n', 'c', 0 }; -/* #undef xmlStringComment */ -const xmlChar xmlStringComment[] = { 'c', 'o', 'm', 'm', 'e', 'n', 't', 0 }; - -static int xmlCompressMode = 0; -static int xmlCheckDTD = 1; - -#define UPDATE_LAST_CHILD_AND_PARENT(n) if ((n) != NULL) { \ - xmlNodePtr ulccur = (n)->children; \ - if (ulccur == NULL) { \ - (n)->last = NULL; \ - } else { \ - while (ulccur->next != NULL) { \ - ulccur->parent = (n); \ - ulccur = ulccur->next; \ - } \ - ulccur->parent = (n); \ - (n)->last = ulccur; \ -}} - -#define IS_STR_XML(str) ((str != NULL) && (str[0] == 'x') && \ - (str[1] == 'm') && (str[2] == 'l') && (str[3] == 0)) - -/* #define DEBUG_BUFFER */ -/* #define DEBUG_TREE */ - -/************************************************************************ - * * - * Functions to move to entities.c once the * - * API freeze is smoothen and they can be made public. * - * * - ************************************************************************/ -#include <libxml/hash.h> - -#ifdef LIBXML_TREE_ENABLED -/** - * xmlGetEntityFromDtd: - * @dtd: A pointer to the DTD to search - * @name: The entity name - * - * Do an entity lookup in the DTD entity hash table and - * return the corresponding entity, if found. - * - * Returns A pointer to the entity structure or NULL if not found. - */ -static xmlEntityPtr -xmlGetEntityFromDtd(const xmlDtd *dtd, const xmlChar *name) { - xmlEntitiesTablePtr table; - - if((dtd != NULL) && (dtd->entities != NULL)) { - table = (xmlEntitiesTablePtr) dtd->entities; - return((xmlEntityPtr) xmlHashLookup(table, name)); - /* return(xmlGetEntityFromTable(table, name)); */ - } - return(NULL); -} -/** - * xmlGetParameterEntityFromDtd: - * @dtd: A pointer to the DTD to search - * @name: The entity name - * - * Do an entity lookup in the DTD pararmeter entity hash table and - * return the corresponding entity, if found. - * - * Returns A pointer to the entity structure or NULL if not found. - */ -static xmlEntityPtr -xmlGetParameterEntityFromDtd(const xmlDtd *dtd, const xmlChar *name) { - xmlEntitiesTablePtr table; - - if ((dtd != NULL) && (dtd->pentities != NULL)) { - table = (xmlEntitiesTablePtr) dtd->pentities; - return((xmlEntityPtr) xmlHashLookup(table, name)); - /* return(xmlGetEntityFromTable(table, name)); */ - } - return(NULL); -} -#endif /* LIBXML_TREE_ENABLED */ - -/************************************************************************ - * * - * QName handling helper * - * * - ************************************************************************/ - -/** - * xmlBuildQName: - * @ncname: the Name - * @prefix: the prefix - * @memory: preallocated memory - * @len: preallocated memory length - * - * Builds the QName @prefix:@ncname in @memory if there is enough space - * and prefix is not NULL nor empty, otherwise allocate a new string. - * If prefix is NULL or empty it returns ncname. - * - * Returns the new string which must be freed by the caller if different from - * @memory and @ncname or NULL in case of error - */ -xmlChar * -xmlBuildQName(const xmlChar *ncname, const xmlChar *prefix, - xmlChar *memory, int len) { - int lenn, lenp; - xmlChar *ret; - - if (ncname == NULL) return(NULL); - if (prefix == NULL) return((xmlChar *) ncname); - - lenn = strlen((char *) ncname); - lenp = strlen((char *) prefix); - - if ((memory == NULL) || (len < lenn + lenp + 2)) { - ret = (xmlChar *) xmlMallocAtomic(lenn + lenp + 2); - if (ret == NULL) { - xmlTreeErrMemory("building QName"); - return(NULL); - } - } else { - ret = memory; - } - memcpy(&ret[0], prefix, lenp); - ret[lenp] = ':'; - memcpy(&ret[lenp + 1], ncname, lenn); - ret[lenn + lenp + 1] = 0; - return(ret); -} - -/** - * xmlSplitQName2: - * @name: the full QName - * @prefix: a xmlChar ** - * - * parse an XML qualified name string - * - * [NS 5] QName ::= (Prefix ':')? LocalPart - * - * [NS 6] Prefix ::= NCName - * - * [NS 7] LocalPart ::= NCName - * - * Returns NULL if not a QName, otherwise the local part, and prefix - * is updated to get the Prefix if any. - */ - -xmlChar * -xmlSplitQName2(const xmlChar *name, xmlChar **prefix) { - int len = 0; - xmlChar *ret = NULL; - - if (prefix == NULL) return(NULL); - *prefix = NULL; - if (name == NULL) return(NULL); - -#ifndef XML_XML_NAMESPACE - /* xml: prefix is not really a namespace */ - if ((name[0] == 'x') && (name[1] == 'm') && - (name[2] == 'l') && (name[3] == ':')) - return(NULL); -#endif - - /* nasty but valid */ - if (name[0] == ':') - return(NULL); - - /* - * we are not trying to validate but just to cut, and yes it will - * work even if this is as set of UTF-8 encoded chars - */ - while ((name[len] != 0) && (name[len] != ':')) - len++; - - if (name[len] == 0) - return(NULL); - - *prefix = xmlStrndup(name, len); - if (*prefix == NULL) { - xmlTreeErrMemory("QName split"); - return(NULL); - } - ret = xmlStrdup(&name[len + 1]); - if (ret == NULL) { - xmlTreeErrMemory("QName split"); - if (*prefix != NULL) { - xmlFree(*prefix); - *prefix = NULL; - } - return(NULL); - } - - return(ret); -} - -/** - * xmlSplitQName3: - * @name: the full QName - * @len: an int * - * - * parse an XML qualified name string,i - * - * returns NULL if it is not a Qualified Name, otherwise, update len - * with the length in byte of the prefix and return a pointer - * to the start of the name without the prefix - */ - -const xmlChar * -xmlSplitQName3(const xmlChar *name, int *len) { - int l = 0; - - if (name == NULL) return(NULL); - if (len == NULL) return(NULL); - - /* nasty but valid */ - if (name[0] == ':') - return(NULL); - - /* - * we are not trying to validate but just to cut, and yes it will - * work even if this is as set of UTF-8 encoded chars - */ - while ((name[l] != 0) && (name[l] != ':')) - l++; - - if (name[l] == 0) - return(NULL); - - *len = l; - - return(&name[l+1]); -} - -/************************************************************************ - * * - * Check Name, NCName and QName strings * - * * - ************************************************************************/ - -#define CUR_SCHAR(s, l) xmlStringCurrentChar(NULL, s, &l) - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_XPATH_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) || defined(LIBXML_DEBUG_ENABLED) || defined (LIBXML_HTML_ENABLED) || defined(LIBXML_SAX1_ENABLED) || defined(LIBXML_HTML_ENABLED) || defined(LIBXML_WRITER_ENABLED) || defined(LIBXML_DOCB_ENABLED) || defined(LIBXML_LEGACY_ENABLED) -/** - * xmlValidateNCName: - * @value: the value to check - * @space: allow spaces in front and end of the string - * - * Check that a value conforms to the lexical space of NCName - * - * Returns 0 if this validates, a positive error code number otherwise - * and -1 in case of internal or API error. - */ -int -xmlValidateNCName(const xmlChar *value, int space) { - const xmlChar *cur = value; - int c,l; - - if (value == NULL) - return(-1); - - /* - * First quick algorithm for ASCII range - */ - if (space) - while (IS_BLANK_CH(*cur)) cur++; - if (((*cur >= 'a') && (*cur <= 'z')) || ((*cur >= 'A') && (*cur <= 'Z')) || - (*cur == '_')) - cur++; - else - goto try_complex; - while (((*cur >= 'a') && (*cur <= 'z')) || - ((*cur >= 'A') && (*cur <= 'Z')) || - ((*cur >= '0') && (*cur <= '9')) || - (*cur == '_') || (*cur == '-') || (*cur == '.')) - cur++; - if (space) - while (IS_BLANK_CH(*cur)) cur++; - if (*cur == 0) - return(0); - -try_complex: - /* - * Second check for chars outside the ASCII range - */ - cur = value; - c = CUR_SCHAR(cur, l); - if (space) { - while (IS_BLANK(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - } - if ((!IS_LETTER(c)) && (c != '_')) - return(1); - cur += l; - c = CUR_SCHAR(cur, l); - while (IS_LETTER(c) || IS_DIGIT(c) || (c == '.') || - (c == '-') || (c == '_') || IS_COMBINING(c) || - IS_EXTENDER(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - if (space) { - while (IS_BLANK(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - } - if (c != 0) - return(1); - - return(0); -} -#endif - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) -/** - * xmlValidateQName: - * @value: the value to check - * @space: allow spaces in front and end of the string - * - * Check that a value conforms to the lexical space of QName - * - * Returns 0 if this validates, a positive error code number otherwise - * and -1 in case of internal or API error. - */ -int -xmlValidateQName(const xmlChar *value, int space) { - const xmlChar *cur = value; - int c,l; - - if (value == NULL) - return(-1); - /* - * First quick algorithm for ASCII range - */ - if (space) - while (IS_BLANK_CH(*cur)) cur++; - if (((*cur >= 'a') && (*cur <= 'z')) || ((*cur >= 'A') && (*cur <= 'Z')) || - (*cur == '_')) - cur++; - else - goto try_complex; - while (((*cur >= 'a') && (*cur <= 'z')) || - ((*cur >= 'A') && (*cur <= 'Z')) || - ((*cur >= '0') && (*cur <= '9')) || - (*cur == '_') || (*cur == '-') || (*cur == '.')) - cur++; - if (*cur == ':') { - cur++; - if (((*cur >= 'a') && (*cur <= 'z')) || - ((*cur >= 'A') && (*cur <= 'Z')) || - (*cur == '_')) - cur++; - else - goto try_complex; - while (((*cur >= 'a') && (*cur <= 'z')) || - ((*cur >= 'A') && (*cur <= 'Z')) || - ((*cur >= '0') && (*cur <= '9')) || - (*cur == '_') || (*cur == '-') || (*cur == '.')) - cur++; - } - if (space) - while (IS_BLANK_CH(*cur)) cur++; - if (*cur == 0) - return(0); - -try_complex: - /* - * Second check for chars outside the ASCII range - */ - cur = value; - c = CUR_SCHAR(cur, l); - if (space) { - while (IS_BLANK(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - } - if ((!IS_LETTER(c)) && (c != '_')) - return(1); - cur += l; - c = CUR_SCHAR(cur, l); - while (IS_LETTER(c) || IS_DIGIT(c) || (c == '.') || - (c == '-') || (c == '_') || IS_COMBINING(c) || - IS_EXTENDER(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - if (c == ':') { - cur += l; - c = CUR_SCHAR(cur, l); - if ((!IS_LETTER(c)) && (c != '_')) - return(1); - cur += l; - c = CUR_SCHAR(cur, l); - while (IS_LETTER(c) || IS_DIGIT(c) || (c == '.') || - (c == '-') || (c == '_') || IS_COMBINING(c) || - IS_EXTENDER(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - } - if (space) { - while (IS_BLANK(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - } - if (c != 0) - return(1); - return(0); -} - -/** - * xmlValidateName: - * @value: the value to check - * @space: allow spaces in front and end of the string - * - * Check that a value conforms to the lexical space of Name - * - * Returns 0 if this validates, a positive error code number otherwise - * and -1 in case of internal or API error. - */ -int -xmlValidateName(const xmlChar *value, int space) { - const xmlChar *cur = value; - int c,l; - - if (value == NULL) - return(-1); - /* - * First quick algorithm for ASCII range - */ - if (space) - while (IS_BLANK_CH(*cur)) cur++; - if (((*cur >= 'a') && (*cur <= 'z')) || ((*cur >= 'A') && (*cur <= 'Z')) || - (*cur == '_') || (*cur == ':')) - cur++; - else - goto try_complex; - while (((*cur >= 'a') && (*cur <= 'z')) || - ((*cur >= 'A') && (*cur <= 'Z')) || - ((*cur >= '0') && (*cur <= '9')) || - (*cur == '_') || (*cur == '-') || (*cur == '.') || (*cur == ':')) - cur++; - if (space) - while (IS_BLANK_CH(*cur)) cur++; - if (*cur == 0) - return(0); - -try_complex: - /* - * Second check for chars outside the ASCII range - */ - cur = value; - c = CUR_SCHAR(cur, l); - if (space) { - while (IS_BLANK(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - } - if ((!IS_LETTER(c)) && (c != '_') && (c != ':')) - return(1); - cur += l; - c = CUR_SCHAR(cur, l); - while (IS_LETTER(c) || IS_DIGIT(c) || (c == '.') || (c == ':') || - (c == '-') || (c == '_') || IS_COMBINING(c) || IS_EXTENDER(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - if (space) { - while (IS_BLANK(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - } - if (c != 0) - return(1); - return(0); -} - -/** - * xmlValidateNMToken: - * @value: the value to check - * @space: allow spaces in front and end of the string - * - * Check that a value conforms to the lexical space of NMToken - * - * Returns 0 if this validates, a positive error code number otherwise - * and -1 in case of internal or API error. - */ -int -xmlValidateNMToken(const xmlChar *value, int space) { - const xmlChar *cur = value; - int c,l; - - if (value == NULL) - return(-1); - /* - * First quick algorithm for ASCII range - */ - if (space) - while (IS_BLANK_CH(*cur)) cur++; - if (((*cur >= 'a') && (*cur <= 'z')) || - ((*cur >= 'A') && (*cur <= 'Z')) || - ((*cur >= '0') && (*cur <= '9')) || - (*cur == '_') || (*cur == '-') || (*cur == '.') || (*cur == ':')) - cur++; - else - goto try_complex; - while (((*cur >= 'a') && (*cur <= 'z')) || - ((*cur >= 'A') && (*cur <= 'Z')) || - ((*cur >= '0') && (*cur <= '9')) || - (*cur == '_') || (*cur == '-') || (*cur == '.') || (*cur == ':')) - cur++; - if (space) - while (IS_BLANK_CH(*cur)) cur++; - if (*cur == 0) - return(0); - -try_complex: - /* - * Second check for chars outside the ASCII range - */ - cur = value; - c = CUR_SCHAR(cur, l); - if (space) { - while (IS_BLANK(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - } - if (!(IS_LETTER(c) || IS_DIGIT(c) || (c == '.') || (c == ':') || - (c == '-') || (c == '_') || IS_COMBINING(c) || IS_EXTENDER(c))) - return(1); - cur += l; - c = CUR_SCHAR(cur, l); - while (IS_LETTER(c) || IS_DIGIT(c) || (c == '.') || (c == ':') || - (c == '-') || (c == '_') || IS_COMBINING(c) || IS_EXTENDER(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - if (space) { - while (IS_BLANK(c)) { - cur += l; - c = CUR_SCHAR(cur, l); - } - } - if (c != 0) - return(1); - return(0); -} -#endif /* LIBXML_TREE_ENABLED */ - -/************************************************************************ - * * - * Allocation and deallocation of basic structures * - * * - ************************************************************************/ - -/** - * xmlSetBufferAllocationScheme: - * @scheme: allocation method to use - * - * Set the buffer allocation method. Types are - * XML_BUFFER_ALLOC_EXACT - use exact sizes, keeps memory usage down - * XML_BUFFER_ALLOC_DOUBLEIT - double buffer when extra needed, - * improves performance - */ -void -xmlSetBufferAllocationScheme(xmlBufferAllocationScheme scheme) { - if ((scheme == XML_BUFFER_ALLOC_EXACT) || - (scheme == XML_BUFFER_ALLOC_DOUBLEIT) || - (scheme == XML_BUFFER_ALLOC_HYBRID)) - xmlBufferAllocScheme = scheme; -} - -/** - * xmlGetBufferAllocationScheme: - * - * Types are - * XML_BUFFER_ALLOC_EXACT - use exact sizes, keeps memory usage down - * XML_BUFFER_ALLOC_DOUBLEIT - double buffer when extra needed, - * improves performance - * XML_BUFFER_ALLOC_HYBRID - use exact sizes on small strings to keep memory usage tight - * in normal usage, and doubleit on large strings to avoid - * pathological performance. - * - * Returns the current allocation scheme - */ -xmlBufferAllocationScheme -xmlGetBufferAllocationScheme(void) { - return(xmlBufferAllocScheme); -} - -/** - * xmlNewNs: - * @node: the element carrying the namespace - * @href: the URI associated - * @prefix: the prefix for the namespace - * - * Creation of a new Namespace. This function will refuse to create - * a namespace with a similar prefix than an existing one present on this - * node. - * Note that for a default namespace, @prefix should be NULL. - * - * We use href==NULL in the case of an element creation where the namespace - * was not defined. - * - * Returns a new namespace pointer or NULL - */ -xmlNsPtr -xmlNewNs(xmlNodePtr node, const xmlChar *href, const xmlChar *prefix) { - xmlNsPtr cur; - - if ((node != NULL) && (node->type != XML_ELEMENT_NODE)) - return(NULL); - - if ((prefix != NULL) && (xmlStrEqual(prefix, BAD_CAST "xml"))) { - /* xml namespace is predefined, no need to add it */ - if (xmlStrEqual(href, XML_XML_NAMESPACE)) - return(NULL); - - /* - * Problem, this is an attempt to bind xml prefix to a wrong - * namespace, which breaks - * Namespace constraint: Reserved Prefixes and Namespace Names - * from XML namespace. But documents authors may not care in - * their context so let's proceed. - */ - } - - /* - * Allocate a new Namespace and fill the fields. - */ - cur = (xmlNsPtr) xmlMalloc(sizeof(xmlNs)); - if (cur == NULL) { - xmlTreeErrMemory("building namespace"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNs)); - cur->type = XML_LOCAL_NAMESPACE; - - if (href != NULL) - cur->href = xmlStrdup(href); - if (prefix != NULL) - cur->prefix = xmlStrdup(prefix); - - /* - * Add it at the end to preserve parsing order ... - * and checks for existing use of the prefix - */ - if (node != NULL) { - if (node->nsDef == NULL) { - node->nsDef = cur; - } else { - xmlNsPtr prev = node->nsDef; - - if (((prev->prefix == NULL) && (cur->prefix == NULL)) || - (xmlStrEqual(prev->prefix, cur->prefix))) { - xmlFreeNs(cur); - return(NULL); - } - while (prev->next != NULL) { - prev = prev->next; - if (((prev->prefix == NULL) && (cur->prefix == NULL)) || - (xmlStrEqual(prev->prefix, cur->prefix))) { - xmlFreeNs(cur); - return(NULL); - } - } - prev->next = cur; - } - } - return(cur); -} - -/** - * xmlSetNs: - * @node: a node in the document - * @ns: a namespace pointer - * - * Associate a namespace to a node, a posteriori. - */ -void -xmlSetNs(xmlNodePtr node, xmlNsPtr ns) { - if (node == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlSetNs: node == NULL\n"); -#endif - return; - } - if ((node->type == XML_ELEMENT_NODE) || - (node->type == XML_ATTRIBUTE_NODE)) - node->ns = ns; -} - -/** - * xmlFreeNs: - * @cur: the namespace pointer - * - * Free up the structures associated to a namespace - */ -void -xmlFreeNs(xmlNsPtr cur) { - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlFreeNs : ns == NULL\n"); -#endif - return; - } - if (cur->href != NULL) xmlFree((char *) cur->href); - if (cur->prefix != NULL) xmlFree((char *) cur->prefix); - xmlFree(cur); -} - -/** - * xmlFreeNsList: - * @cur: the first namespace pointer - * - * Free up all the structures associated to the chained namespaces. - */ -void -xmlFreeNsList(xmlNsPtr cur) { - xmlNsPtr next; - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlFreeNsList : ns == NULL\n"); -#endif - return; - } - while (cur != NULL) { - next = cur->next; - xmlFreeNs(cur); - cur = next; - } -} - -/** - * xmlNewDtd: - * @doc: the document pointer - * @name: the DTD name - * @ExternalID: the external ID - * @SystemID: the system ID - * - * Creation of a new DTD for the external subset. To create an - * internal subset, use xmlCreateIntSubset(). - * - * Returns a pointer to the new DTD structure - */ -xmlDtdPtr -xmlNewDtd(xmlDocPtr doc, const xmlChar *name, - const xmlChar *ExternalID, const xmlChar *SystemID) { - xmlDtdPtr cur; - - if ((doc != NULL) && (doc->extSubset != NULL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewDtd(%s): document %s already have a DTD %s\n", - /* !!! */ (char *) name, doc->name, - /* !!! */ (char *)doc->extSubset->name); -#endif - return(NULL); - } - - /* - * Allocate a new DTD and fill the fields. - */ - cur = (xmlDtdPtr) xmlMalloc(sizeof(xmlDtd)); - if (cur == NULL) { - xmlTreeErrMemory("building DTD"); - return(NULL); - } - memset(cur, 0 , sizeof(xmlDtd)); - cur->type = XML_DTD_NODE; - - if (name != NULL) - cur->name = xmlStrdup(name); - if (ExternalID != NULL) - cur->ExternalID = xmlStrdup(ExternalID); - if (SystemID != NULL) - cur->SystemID = xmlStrdup(SystemID); - if (doc != NULL) - doc->extSubset = cur; - cur->doc = doc; - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue((xmlNodePtr)cur); - return(cur); -} - -/** - * xmlGetIntSubset: - * @doc: the document pointer - * - * Get the internal subset of a document - * Returns a pointer to the DTD structure or NULL if not found - */ - -xmlDtdPtr -xmlGetIntSubset(const xmlDoc *doc) { - xmlNodePtr cur; - - if (doc == NULL) - return(NULL); - cur = doc->children; - while (cur != NULL) { - if (cur->type == XML_DTD_NODE) - return((xmlDtdPtr) cur); - cur = cur->next; - } - return((xmlDtdPtr) doc->intSubset); -} - -/** - * xmlCreateIntSubset: - * @doc: the document pointer - * @name: the DTD name - * @ExternalID: the external (PUBLIC) ID - * @SystemID: the system ID - * - * Create the internal subset of a document - * Returns a pointer to the new DTD structure - */ -xmlDtdPtr -xmlCreateIntSubset(xmlDocPtr doc, const xmlChar *name, - const xmlChar *ExternalID, const xmlChar *SystemID) { - xmlDtdPtr cur; - - if ((doc != NULL) && (xmlGetIntSubset(doc) != NULL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - - "xmlCreateIntSubset(): document %s already have an internal subset\n", - doc->name); -#endif - return(NULL); - } - - /* - * Allocate a new DTD and fill the fields. - */ - cur = (xmlDtdPtr) xmlMalloc(sizeof(xmlDtd)); - if (cur == NULL) { - xmlTreeErrMemory("building internal subset"); - return(NULL); - } - memset(cur, 0, sizeof(xmlDtd)); - cur->type = XML_DTD_NODE; - - if (name != NULL) { - cur->name = xmlStrdup(name); - if (cur->name == NULL) { - xmlTreeErrMemory("building internal subset"); - xmlFree(cur); - return(NULL); - } - } - if (ExternalID != NULL) { - cur->ExternalID = xmlStrdup(ExternalID); - if (cur->ExternalID == NULL) { - xmlTreeErrMemory("building internal subset"); - if (cur->name != NULL) - xmlFree((char *)cur->name); - xmlFree(cur); - return(NULL); - } - } - if (SystemID != NULL) { - cur->SystemID = xmlStrdup(SystemID); - if (cur->SystemID == NULL) { - xmlTreeErrMemory("building internal subset"); - if (cur->name != NULL) - xmlFree((char *)cur->name); - if (cur->ExternalID != NULL) - xmlFree((char *)cur->ExternalID); - xmlFree(cur); - return(NULL); - } - } - if (doc != NULL) { - doc->intSubset = cur; - cur->parent = doc; - cur->doc = doc; - if (doc->children == NULL) { - doc->children = (xmlNodePtr) cur; - doc->last = (xmlNodePtr) cur; - } else { - if (doc->type == XML_HTML_DOCUMENT_NODE) { - xmlNodePtr prev; - - prev = doc->children; - prev->prev = (xmlNodePtr) cur; - cur->next = prev; - doc->children = (xmlNodePtr) cur; - } else { - xmlNodePtr next; - - next = doc->children; - while ((next != NULL) && (next->type != XML_ELEMENT_NODE)) - next = next->next; - if (next == NULL) { - cur->prev = doc->last; - cur->prev->next = (xmlNodePtr) cur; - cur->next = NULL; - doc->last = (xmlNodePtr) cur; - } else { - cur->next = next; - cur->prev = next->prev; - if (cur->prev == NULL) - doc->children = (xmlNodePtr) cur; - else - cur->prev->next = (xmlNodePtr) cur; - next->prev = (xmlNodePtr) cur; - } - } - } - } - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue((xmlNodePtr)cur); - return(cur); -} - -/** - * DICT_FREE: - * @str: a string - * - * Free a string if it is not owned by the "dict" dictionary in the - * current scope - */ -#define DICT_FREE(str) \ - if ((str) && ((!dict) || \ - (xmlDictOwns(dict, (const xmlChar *)(str)) == 0))) \ - xmlFree((char *)(str)); - - -/** - * DICT_COPY: - * @str: a string - * - * Copy a string using a "dict" dictionary in the current scope, - * if availabe. - */ -#define DICT_COPY(str, cpy) \ - if (str) { \ - if (dict) { \ - if (xmlDictOwns(dict, (const xmlChar *)(str))) \ - cpy = (xmlChar *) (str); \ - else \ - cpy = (xmlChar *) xmlDictLookup((dict), (const xmlChar *)(str), -1); \ - } else \ - cpy = xmlStrdup((const xmlChar *)(str)); } - -/** - * DICT_CONST_COPY: - * @str: a string - * - * Copy a string using a "dict" dictionary in the current scope, - * if availabe. - */ -#define DICT_CONST_COPY(str, cpy) \ - if (str) { \ - if (dict) { \ - if (xmlDictOwns(dict, (const xmlChar *)(str))) \ - cpy = (const xmlChar *) (str); \ - else \ - cpy = xmlDictLookup((dict), (const xmlChar *)(str), -1); \ - } else \ - cpy = (const xmlChar *) xmlStrdup((const xmlChar *)(str)); } - - -/** - * xmlFreeDtd: - * @cur: the DTD structure to free up - * - * Free a DTD structure. - */ -void -xmlFreeDtd(xmlDtdPtr cur) { - xmlDictPtr dict = NULL; - - if (cur == NULL) { - return; - } - if (cur->doc != NULL) dict = cur->doc->dict; - - if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue)) - xmlDeregisterNodeDefaultValue((xmlNodePtr)cur); - - if (cur->children != NULL) { - xmlNodePtr next, c = cur->children; - - /* - * Cleanup all nodes which are not part of the specific lists - * of notations, elements, attributes and entities. - */ - while (c != NULL) { - next = c->next; - if ((c->type != XML_NOTATION_NODE) && - (c->type != XML_ELEMENT_DECL) && - (c->type != XML_ATTRIBUTE_DECL) && - (c->type != XML_ENTITY_DECL)) { - xmlUnlinkNode(c); - xmlFreeNode(c); - } - c = next; - } - } - DICT_FREE(cur->name) - DICT_FREE(cur->SystemID) - DICT_FREE(cur->ExternalID) - /* TODO !!! */ - if (cur->notations != NULL) - xmlFreeNotationTable((xmlNotationTablePtr) cur->notations); - - if (cur->elements != NULL) - xmlFreeElementTable((xmlElementTablePtr) cur->elements); - if (cur->attributes != NULL) - xmlFreeAttributeTable((xmlAttributeTablePtr) cur->attributes); - if (cur->entities != NULL) - xmlFreeEntitiesTable((xmlEntitiesTablePtr) cur->entities); - if (cur->pentities != NULL) - xmlFreeEntitiesTable((xmlEntitiesTablePtr) cur->pentities); - - xmlFree(cur); -} - -/** - * xmlNewDoc: - * @version: xmlChar string giving the version of XML "1.0" - * - * Creates a new XML document - * - * Returns a new document - */ -xmlDocPtr -xmlNewDoc(const xmlChar *version) { - xmlDocPtr cur; - - if (version == NULL) - version = (const xmlChar *) "1.0"; - - /* - * Allocate a new document and fill the fields. - */ - cur = (xmlDocPtr) xmlMalloc(sizeof(xmlDoc)); - if (cur == NULL) { - xmlTreeErrMemory("building doc"); - return(NULL); - } - memset(cur, 0, sizeof(xmlDoc)); - cur->type = XML_DOCUMENT_NODE; - - cur->version = xmlStrdup(version); - if (cur->version == NULL) { - xmlTreeErrMemory("building doc"); - xmlFree(cur); - return(NULL); - } - cur->standalone = -1; - cur->compression = -1; /* not initialized */ - cur->doc = cur; - cur->parseFlags = 0; - cur->properties = XML_DOC_USERBUILT; - /* - * The in memory encoding is always UTF8 - * This field will never change and would - * be obsolete if not for binary compatibility. - */ - cur->charset = XML_CHAR_ENCODING_UTF8; - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue((xmlNodePtr)cur); - return(cur); -} - -/** - * xmlFreeDoc: - * @cur: pointer to the document - * - * Free up all the structures used by a document, tree included. - */ -void -xmlFreeDoc(xmlDocPtr cur) { - xmlDtdPtr extSubset, intSubset; - xmlDictPtr dict = NULL; - - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlFreeDoc : document == NULL\n"); -#endif - return; - } -#ifdef LIBXML_DEBUG_RUNTIME -#ifdef LIBXML_DEBUG_ENABLED - xmlDebugCheckDocument(stderr, cur); -#endif -#endif - - if (cur != NULL) dict = cur->dict; - - if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue)) - xmlDeregisterNodeDefaultValue((xmlNodePtr)cur); - - /* - * Do this before freeing the children list to avoid ID lookups - */ - if (cur->ids != NULL) xmlFreeIDTable((xmlIDTablePtr) cur->ids); - cur->ids = NULL; - if (cur->refs != NULL) xmlFreeRefTable((xmlRefTablePtr) cur->refs); - cur->refs = NULL; - extSubset = cur->extSubset; - intSubset = cur->intSubset; - if (intSubset == extSubset) - extSubset = NULL; - if (extSubset != NULL) { - xmlUnlinkNode((xmlNodePtr) cur->extSubset); - cur->extSubset = NULL; - xmlFreeDtd(extSubset); - } - if (intSubset != NULL) { - xmlUnlinkNode((xmlNodePtr) cur->intSubset); - cur->intSubset = NULL; - xmlFreeDtd(intSubset); - } - - if (cur->children != NULL) xmlFreeNodeList(cur->children); - if (cur->oldNs != NULL) xmlFreeNsList(cur->oldNs); - - DICT_FREE(cur->version) - DICT_FREE(cur->name) - DICT_FREE(cur->encoding) - DICT_FREE(cur->URL) - xmlFree(cur); - if (dict) xmlDictFree(dict); -} - -/** - * xmlStringLenGetNodeList: - * @doc: the document - * @value: the value of the text - * @len: the length of the string value - * - * Parse the value string and build the node list associated. Should - * produce a flat tree with only TEXTs and ENTITY_REFs. - * Returns a pointer to the first child - */ -xmlNodePtr -xmlStringLenGetNodeList(const xmlDoc *doc, const xmlChar *value, int len) { - xmlNodePtr ret = NULL, last = NULL; - xmlNodePtr node; - xmlChar *val; - const xmlChar *cur = value, *end = cur + len; - const xmlChar *q; - xmlEntityPtr ent; - xmlBufPtr buf; - - if (value == NULL) return(NULL); - - buf = xmlBufCreateSize(0); - if (buf == NULL) return(NULL); - xmlBufSetAllocationScheme(buf, XML_BUFFER_ALLOC_HYBRID); - - q = cur; - while ((cur < end) && (*cur != 0)) { - if (cur[0] == '&') { - int charval = 0; - xmlChar tmp; - - /* - * Save the current text. - */ - if (cur != q) { - if (xmlBufAdd(buf, q, cur - q)) - goto out; - } - q = cur; - if ((cur + 2 < end) && (cur[1] == '#') && (cur[2] == 'x')) { - cur += 3; - if (cur < end) - tmp = *cur; - else - tmp = 0; - while (tmp != ';') { /* Non input consuming loop */ - if ((tmp >= '0') && (tmp <= '9')) - charval = charval * 16 + (tmp - '0'); - else if ((tmp >= 'a') && (tmp <= 'f')) - charval = charval * 16 + (tmp - 'a') + 10; - else if ((tmp >= 'A') && (tmp <= 'F')) - charval = charval * 16 + (tmp - 'A') + 10; - else { - xmlTreeErr(XML_TREE_INVALID_HEX, (xmlNodePtr) doc, - NULL); - charval = 0; - break; - } - cur++; - if (cur < end) - tmp = *cur; - else - tmp = 0; - } - if (tmp == ';') - cur++; - q = cur; - } else if ((cur + 1 < end) && (cur[1] == '#')) { - cur += 2; - if (cur < end) - tmp = *cur; - else - tmp = 0; - while (tmp != ';') { /* Non input consuming loops */ - if ((tmp >= '0') && (tmp <= '9')) - charval = charval * 10 + (tmp - '0'); - else { - xmlTreeErr(XML_TREE_INVALID_DEC, (xmlNodePtr) doc, - NULL); - charval = 0; - break; - } - cur++; - if (cur < end) - tmp = *cur; - else - tmp = 0; - } - if (tmp == ';') - cur++; - q = cur; - } else { - /* - * Read the entity string - */ - cur++; - q = cur; - while ((cur < end) && (*cur != 0) && (*cur != ';')) cur++; - if ((cur >= end) || (*cur == 0)) { - xmlTreeErr(XML_TREE_UNTERMINATED_ENTITY, (xmlNodePtr) doc, - (const char *) q); - goto out; - } - if (cur != q) { - /* - * Predefined entities don't generate nodes - */ - val = xmlStrndup(q, cur - q); - ent = xmlGetDocEntity(doc, val); - if ((ent != NULL) && - (ent->etype == XML_INTERNAL_PREDEFINED_ENTITY)) { - - if (xmlBufCat(buf, ent->content)) - goto out; - - } else { - /* - * Flush buffer so far - */ - if (!xmlBufIsEmpty(buf)) { - node = xmlNewDocText(doc, NULL); - if (node == NULL) { - if (val != NULL) xmlFree(val); - goto out; - } - node->content = xmlBufDetach(buf); - - if (last == NULL) { - last = ret = node; - } else { - last = xmlAddNextSibling(last, node); - } - } - - /* - * Create a new REFERENCE_REF node - */ - node = xmlNewReference(doc, val); - if (node == NULL) { - if (val != NULL) xmlFree(val); - goto out; - } - else if ((ent != NULL) && (ent->children == NULL)) { - xmlNodePtr temp; - - ent->children = xmlStringGetNodeList(doc, - (const xmlChar*)node->content); - ent->owner = 1; - temp = ent->children; - while (temp) { - temp->parent = (xmlNodePtr)ent; - ent->last = temp; - temp = temp->next; - } - } - if (last == NULL) { - last = ret = node; - } else { - last = xmlAddNextSibling(last, node); - } - } - xmlFree(val); - } - cur++; - q = cur; - } - if (charval != 0) { - xmlChar buffer[10]; - int l; - - l = xmlCopyCharMultiByte(buffer, charval); - buffer[l] = 0; - - if (xmlBufCat(buf, buffer)) - goto out; - charval = 0; - } - } else - cur++; - } - - if (cur != q) { - /* - * Handle the last piece of text. - */ - if (xmlBufAdd(buf, q, cur - q)) - goto out; - } - - if (!xmlBufIsEmpty(buf)) { - node = xmlNewDocText(doc, NULL); - if (node == NULL) goto out; - node->content = xmlBufDetach(buf); - - if (last == NULL) { - ret = node; - } else { - xmlAddNextSibling(last, node); - } - } else if (ret == NULL) { - ret = xmlNewDocText(doc, BAD_CAST ""); - } - -out: - xmlBufFree(buf); - return(ret); -} - -/** - * xmlStringGetNodeList: - * @doc: the document - * @value: the value of the attribute - * - * Parse the value string and build the node list associated. Should - * produce a flat tree with only TEXTs and ENTITY_REFs. - * Returns a pointer to the first child - */ -xmlNodePtr -xmlStringGetNodeList(const xmlDoc *doc, const xmlChar *value) { - xmlNodePtr ret = NULL, last = NULL; - xmlNodePtr node; - xmlChar *val; - const xmlChar *cur = value; - const xmlChar *q; - xmlEntityPtr ent; - xmlBufPtr buf; - - if (value == NULL) return(NULL); - - buf = xmlBufCreateSize(0); - if (buf == NULL) return(NULL); - xmlBufSetAllocationScheme(buf, XML_BUFFER_ALLOC_HYBRID); - - q = cur; - while (*cur != 0) { - if (cur[0] == '&') { - int charval = 0; - xmlChar tmp; - - /* - * Save the current text. - */ - if (cur != q) { - if (xmlBufAdd(buf, q, cur - q)) - goto out; - } - q = cur; - if ((cur[1] == '#') && (cur[2] == 'x')) { - cur += 3; - tmp = *cur; - while (tmp != ';') { /* Non input consuming loop */ - if ((tmp >= '0') && (tmp <= '9')) - charval = charval * 16 + (tmp - '0'); - else if ((tmp >= 'a') && (tmp <= 'f')) - charval = charval * 16 + (tmp - 'a') + 10; - else if ((tmp >= 'A') && (tmp <= 'F')) - charval = charval * 16 + (tmp - 'A') + 10; - else { - xmlTreeErr(XML_TREE_INVALID_HEX, (xmlNodePtr) doc, - NULL); - charval = 0; - break; - } - cur++; - tmp = *cur; - } - if (tmp == ';') - cur++; - q = cur; - } else if (cur[1] == '#') { - cur += 2; - tmp = *cur; - while (tmp != ';') { /* Non input consuming loops */ - if ((tmp >= '0') && (tmp <= '9')) - charval = charval * 10 + (tmp - '0'); - else { - xmlTreeErr(XML_TREE_INVALID_DEC, (xmlNodePtr) doc, - NULL); - charval = 0; - break; - } - cur++; - tmp = *cur; - } - if (tmp == ';') - cur++; - q = cur; - } else { - /* - * Read the entity string - */ - cur++; - q = cur; - while ((*cur != 0) && (*cur != ';')) cur++; - if (*cur == 0) { - xmlTreeErr(XML_TREE_UNTERMINATED_ENTITY, - (xmlNodePtr) doc, (const char *) q); - goto out; - } - if (cur != q) { - /* - * Predefined entities don't generate nodes - */ - val = xmlStrndup(q, cur - q); - ent = xmlGetDocEntity(doc, val); - if ((ent != NULL) && - (ent->etype == XML_INTERNAL_PREDEFINED_ENTITY)) { - - if (xmlBufCat(buf, ent->content)) - goto out; - - } else { - /* - * Flush buffer so far - */ - if (!xmlBufIsEmpty(buf)) { - node = xmlNewDocText(doc, NULL); - node->content = xmlBufDetach(buf); - - if (last == NULL) { - last = ret = node; - } else { - last = xmlAddNextSibling(last, node); - } - } - - /* - * Create a new REFERENCE_REF node - */ - node = xmlNewReference(doc, val); - if (node == NULL) { - if (val != NULL) xmlFree(val); - goto out; - } - else if ((ent != NULL) && (ent->children == NULL)) { - xmlNodePtr temp; - - ent->children = (xmlNodePtr) -1; - ent->children = xmlStringGetNodeList(doc, - (const xmlChar*)node->content); - ent->owner = 1; - temp = ent->children; - while (temp) { - temp->parent = (xmlNodePtr)ent; - temp = temp->next; - } - } - if (last == NULL) { - last = ret = node; - } else { - last = xmlAddNextSibling(last, node); - } - } - xmlFree(val); - } - cur++; - q = cur; - } - if (charval != 0) { - xmlChar buffer[10]; - int len; - - len = xmlCopyCharMultiByte(buffer, charval); - buffer[len] = 0; - - if (xmlBufCat(buf, buffer)) - goto out; - charval = 0; - } - } else - cur++; - } - if ((cur != q) || (ret == NULL)) { - /* - * Handle the last piece of text. - */ - xmlBufAdd(buf, q, cur - q); - } - - if (!xmlBufIsEmpty(buf)) { - node = xmlNewDocText(doc, NULL); - node->content = xmlBufDetach(buf); - - if (last == NULL) { - ret = node; - } else { - xmlAddNextSibling(last, node); - } - } - -out: - xmlBufFree(buf); - return(ret); -} - -/** - * xmlNodeListGetString: - * @doc: the document - * @list: a Node list - * @inLine: should we replace entity contents or show their external form - * - * Build the string equivalent to the text contained in the Node list - * made of TEXTs and ENTITY_REFs - * - * Returns a pointer to the string copy, the caller must free it with xmlFree(). - */ -xmlChar * -xmlNodeListGetString(xmlDocPtr doc, const xmlNode *list, int inLine) -{ - const xmlNode *node = list; - xmlChar *ret = NULL; - xmlEntityPtr ent; - int attr; - - if (list == NULL) - return (NULL); - if ((list->parent != NULL) && (list->parent->type == XML_ATTRIBUTE_NODE)) - attr = 1; - else - attr = 0; - - while (node != NULL) { - if ((node->type == XML_TEXT_NODE) || - (node->type == XML_CDATA_SECTION_NODE)) { - if (inLine) { - ret = xmlStrcat(ret, node->content); - } else { - xmlChar *buffer; - - if (attr) - buffer = xmlEncodeAttributeEntities(doc, node->content); - else - buffer = xmlEncodeEntitiesReentrant(doc, node->content); - if (buffer != NULL) { - ret = xmlStrcat(ret, buffer); - xmlFree(buffer); - } - } - } else if (node->type == XML_ENTITY_REF_NODE) { - if (inLine) { - ent = xmlGetDocEntity(doc, node->name); - if (ent != NULL) { - xmlChar *buffer; - - /* an entity content can be any "well balanced chunk", - * i.e. the result of the content [43] production: - * http://www.w3.org/TR/REC-xml#NT-content. - * So it can contain text, CDATA section or nested - * entity reference nodes (among others). - * -> we recursive call xmlNodeListGetString() - * which handles these types */ - buffer = xmlNodeListGetString(doc, ent->children, 1); - if (buffer != NULL) { - ret = xmlStrcat(ret, buffer); - xmlFree(buffer); - } - } else { - ret = xmlStrcat(ret, node->content); - } - } else { - xmlChar buf[2]; - - buf[0] = '&'; - buf[1] = 0; - ret = xmlStrncat(ret, buf, 1); - ret = xmlStrcat(ret, node->name); - buf[0] = ';'; - buf[1] = 0; - ret = xmlStrncat(ret, buf, 1); - } - } -#if 0 - else { - xmlGenericError(xmlGenericErrorContext, - "xmlGetNodeListString : invalid node type %d\n", - node->type); - } -#endif - node = node->next; - } - return (ret); -} - -#ifdef LIBXML_TREE_ENABLED -/** - * xmlNodeListGetRawString: - * @doc: the document - * @list: a Node list - * @inLine: should we replace entity contents or show their external form - * - * Builds the string equivalent to the text contained in the Node list - * made of TEXTs and ENTITY_REFs, contrary to xmlNodeListGetString() - * this function doesn't do any character encoding handling. - * - * Returns a pointer to the string copy, the caller must free it with xmlFree(). - */ -xmlChar * -xmlNodeListGetRawString(const xmlDoc *doc, const xmlNode *list, int inLine) -{ - const xmlNode *node = list; - xmlChar *ret = NULL; - xmlEntityPtr ent; - - if (list == NULL) - return (NULL); - - while (node != NULL) { - if ((node->type == XML_TEXT_NODE) || - (node->type == XML_CDATA_SECTION_NODE)) { - if (inLine) { - ret = xmlStrcat(ret, node->content); - } else { - xmlChar *buffer; - - buffer = xmlEncodeSpecialChars(doc, node->content); - if (buffer != NULL) { - ret = xmlStrcat(ret, buffer); - xmlFree(buffer); - } - } - } else if (node->type == XML_ENTITY_REF_NODE) { - if (inLine) { - ent = xmlGetDocEntity(doc, node->name); - if (ent != NULL) { - xmlChar *buffer; - - /* an entity content can be any "well balanced chunk", - * i.e. the result of the content [43] production: - * http://www.w3.org/TR/REC-xml#NT-content. - * So it can contain text, CDATA section or nested - * entity reference nodes (among others). - * -> we recursive call xmlNodeListGetRawString() - * which handles these types */ - buffer = - xmlNodeListGetRawString(doc, ent->children, 1); - if (buffer != NULL) { - ret = xmlStrcat(ret, buffer); - xmlFree(buffer); - } - } else { - ret = xmlStrcat(ret, node->content); - } - } else { - xmlChar buf[2]; - - buf[0] = '&'; - buf[1] = 0; - ret = xmlStrncat(ret, buf, 1); - ret = xmlStrcat(ret, node->name); - buf[0] = ';'; - buf[1] = 0; - ret = xmlStrncat(ret, buf, 1); - } - } -#if 0 - else { - xmlGenericError(xmlGenericErrorContext, - "xmlGetNodeListString : invalid node type %d\n", - node->type); - } -#endif - node = node->next; - } - return (ret); -} -#endif /* LIBXML_TREE_ENABLED */ - -static xmlAttrPtr -xmlNewPropInternal(xmlNodePtr node, xmlNsPtr ns, - const xmlChar * name, const xmlChar * value, - int eatname) -{ - xmlAttrPtr cur; - xmlDocPtr doc = NULL; - - if ((node != NULL) && (node->type != XML_ELEMENT_NODE)) { - if ((eatname == 1) && - ((node->doc == NULL) || - (!(xmlDictOwns(node->doc->dict, name))))) - xmlFree((xmlChar *) name); - return (NULL); - } - - /* - * Allocate a new property and fill the fields. - */ - cur = (xmlAttrPtr) xmlMalloc(sizeof(xmlAttr)); - if (cur == NULL) { - if ((eatname == 1) && - ((node == NULL) || (node->doc == NULL) || - (!(xmlDictOwns(node->doc->dict, name))))) - xmlFree((xmlChar *) name); - xmlTreeErrMemory("building attribute"); - return (NULL); - } - memset(cur, 0, sizeof(xmlAttr)); - cur->type = XML_ATTRIBUTE_NODE; - - cur->parent = node; - if (node != NULL) { - doc = node->doc; - cur->doc = doc; - } - cur->ns = ns; - - if (eatname == 0) { - if ((doc != NULL) && (doc->dict != NULL)) - cur->name = (xmlChar *) xmlDictLookup(doc->dict, name, -1); - else - cur->name = xmlStrdup(name); - } else - cur->name = name; - - if (value != NULL) { - xmlNodePtr tmp; - - if(!xmlCheckUTF8(value)) { - xmlTreeErr(XML_TREE_NOT_UTF8, (xmlNodePtr) doc, - NULL); - if (doc != NULL) - doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1"); - } - cur->children = xmlNewDocText(doc, value); - cur->last = NULL; - tmp = cur->children; - while (tmp != NULL) { - tmp->parent = (xmlNodePtr) cur; - if (tmp->next == NULL) - cur->last = tmp; - tmp = tmp->next; - } - } - - /* - * Add it at the end to preserve parsing order ... - */ - if (node != NULL) { - if (node->properties == NULL) { - node->properties = cur; - } else { - xmlAttrPtr prev = node->properties; - - while (prev->next != NULL) - prev = prev->next; - prev->next = cur; - cur->prev = prev; - } - } - - if ((value != NULL) && (node != NULL) && - (xmlIsID(node->doc, node, cur) == 1)) - xmlAddID(NULL, node->doc, value, cur); - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue((xmlNodePtr) cur); - return (cur); -} - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_HTML_ENABLED) || \ - defined(LIBXML_SCHEMAS_ENABLED) -/** - * xmlNewProp: - * @node: the holding node - * @name: the name of the attribute - * @value: the value of the attribute - * - * Create a new property carried by a node. - * Returns a pointer to the attribute - */ -xmlAttrPtr -xmlNewProp(xmlNodePtr node, const xmlChar *name, const xmlChar *value) { - - if (name == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewProp : name == NULL\n"); -#endif - return(NULL); - } - - return xmlNewPropInternal(node, NULL, name, value, 0); -} -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlNewNsProp: - * @node: the holding node - * @ns: the namespace - * @name: the name of the attribute - * @value: the value of the attribute - * - * Create a new property tagged with a namespace and carried by a node. - * Returns a pointer to the attribute - */ -xmlAttrPtr -xmlNewNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name, - const xmlChar *value) { - - if (name == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewNsProp : name == NULL\n"); -#endif - return(NULL); - } - - return xmlNewPropInternal(node, ns, name, value, 0); -} - -/** - * xmlNewNsPropEatName: - * @node: the holding node - * @ns: the namespace - * @name: the name of the attribute - * @value: the value of the attribute - * - * Create a new property tagged with a namespace and carried by a node. - * Returns a pointer to the attribute - */ -xmlAttrPtr -xmlNewNsPropEatName(xmlNodePtr node, xmlNsPtr ns, xmlChar *name, - const xmlChar *value) { - - if (name == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewNsPropEatName : name == NULL\n"); -#endif - return(NULL); - } - - return xmlNewPropInternal(node, ns, name, value, 1); -} - -/** - * xmlNewDocProp: - * @doc: the document - * @name: the name of the attribute - * @value: the value of the attribute - * - * Create a new property carried by a document. - * Returns a pointer to the attribute - */ -xmlAttrPtr -xmlNewDocProp(xmlDocPtr doc, const xmlChar *name, const xmlChar *value) { - xmlAttrPtr cur; - - if (name == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewDocProp : name == NULL\n"); -#endif - return(NULL); - } - - /* - * Allocate a new property and fill the fields. - */ - cur = (xmlAttrPtr) xmlMalloc(sizeof(xmlAttr)); - if (cur == NULL) { - xmlTreeErrMemory("building attribute"); - return(NULL); - } - memset(cur, 0, sizeof(xmlAttr)); - cur->type = XML_ATTRIBUTE_NODE; - - if ((doc != NULL) && (doc->dict != NULL)) - cur->name = xmlDictLookup(doc->dict, name, -1); - else - cur->name = xmlStrdup(name); - cur->doc = doc; - if (value != NULL) { - xmlNodePtr tmp; - - cur->children = xmlStringGetNodeList(doc, value); - cur->last = NULL; - - tmp = cur->children; - while (tmp != NULL) { - tmp->parent = (xmlNodePtr) cur; - if (tmp->next == NULL) - cur->last = tmp; - tmp = tmp->next; - } - } - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue((xmlNodePtr)cur); - return(cur); -} - -/** - * xmlFreePropList: - * @cur: the first property in the list - * - * Free a property and all its siblings, all the children are freed too. - */ -void -xmlFreePropList(xmlAttrPtr cur) { - xmlAttrPtr next; - if (cur == NULL) return; - while (cur != NULL) { - next = cur->next; - xmlFreeProp(cur); - cur = next; - } -} - -/** - * xmlFreeProp: - * @cur: an attribute - * - * Free one attribute, all the content is freed too - */ -void -xmlFreeProp(xmlAttrPtr cur) { - xmlDictPtr dict = NULL; - if (cur == NULL) return; - - if (cur->doc != NULL) dict = cur->doc->dict; - - if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue)) - xmlDeregisterNodeDefaultValue((xmlNodePtr)cur); - - /* Check for ID removal -> leading to invalid references ! */ - if ((cur->doc != NULL) && (cur->atype == XML_ATTRIBUTE_ID)) { - xmlRemoveID(cur->doc, cur); - } - if (cur->children != NULL) xmlFreeNodeList(cur->children); - DICT_FREE(cur->name) - xmlFree(cur); -} - -/** - * xmlRemoveProp: - * @cur: an attribute - * - * Unlink and free one attribute, all the content is freed too - * Note this doesn't work for namespace definition attributes - * - * Returns 0 if success and -1 in case of error. - */ -int -xmlRemoveProp(xmlAttrPtr cur) { - xmlAttrPtr tmp; - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlRemoveProp : cur == NULL\n"); -#endif - return(-1); - } - if (cur->parent == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlRemoveProp : cur->parent == NULL\n"); -#endif - return(-1); - } - tmp = cur->parent->properties; - if (tmp == cur) { - cur->parent->properties = cur->next; - if (cur->next != NULL) - cur->next->prev = NULL; - xmlFreeProp(cur); - return(0); - } - while (tmp != NULL) { - if (tmp->next == cur) { - tmp->next = cur->next; - if (tmp->next != NULL) - tmp->next->prev = tmp; - xmlFreeProp(cur); - return(0); - } - tmp = tmp->next; - } -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlRemoveProp : attribute not owned by its node\n"); -#endif - return(-1); -} - -/** - * xmlNewDocPI: - * @doc: the target document - * @name: the processing instruction name - * @content: the PI content - * - * Creation of a processing instruction element. - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewDocPI(xmlDocPtr doc, const xmlChar *name, const xmlChar *content) { - xmlNodePtr cur; - - if (name == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewPI : name == NULL\n"); -#endif - return(NULL); - } - - /* - * Allocate a new node and fill the fields. - */ - cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (cur == NULL) { - xmlTreeErrMemory("building PI"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNode)); - cur->type = XML_PI_NODE; - - if ((doc != NULL) && (doc->dict != NULL)) - cur->name = xmlDictLookup(doc->dict, name, -1); - else - cur->name = xmlStrdup(name); - if (content != NULL) { - cur->content = xmlStrdup(content); - } - cur->doc = doc; - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue((xmlNodePtr)cur); - return(cur); -} - -/** - * xmlNewPI: - * @name: the processing instruction name - * @content: the PI content - * - * Creation of a processing instruction element. - * Use xmlDocNewPI preferably to get string interning - * - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewPI(const xmlChar *name, const xmlChar *content) { - return(xmlNewDocPI(NULL, name, content)); -} - -/** - * xmlNewNode: - * @ns: namespace if any - * @name: the node name - * - * Creation of a new node element. @ns is optional (NULL). - * - * Returns a pointer to the new node object. Uses xmlStrdup() to make - * copy of @name. - */ -xmlNodePtr -xmlNewNode(xmlNsPtr ns, const xmlChar *name) { - xmlNodePtr cur; - - if (name == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewNode : name == NULL\n"); -#endif - return(NULL); - } - - /* - * Allocate a new node and fill the fields. - */ - cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (cur == NULL) { - xmlTreeErrMemory("building node"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNode)); - cur->type = XML_ELEMENT_NODE; - - cur->name = xmlStrdup(name); - cur->ns = ns; - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue(cur); - return(cur); -} - -/** - * xmlNewNodeEatName: - * @ns: namespace if any - * @name: the node name - * - * Creation of a new node element. @ns is optional (NULL). - * - * Returns a pointer to the new node object, with pointer @name as - * new node's name. Use xmlNewNode() if a copy of @name string is - * is needed as new node's name. - */ -xmlNodePtr -xmlNewNodeEatName(xmlNsPtr ns, xmlChar *name) { - xmlNodePtr cur; - - if (name == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewNode : name == NULL\n"); -#endif - return(NULL); - } - - /* - * Allocate a new node and fill the fields. - */ - cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (cur == NULL) { - xmlTreeErrMemory("building node"); - /* we can't check here that name comes from the doc dictionary */ - return(NULL); - } - memset(cur, 0, sizeof(xmlNode)); - cur->type = XML_ELEMENT_NODE; - - cur->name = name; - cur->ns = ns; - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue((xmlNodePtr)cur); - return(cur); -} - -/** - * xmlNewDocNode: - * @doc: the document - * @ns: namespace if any - * @name: the node name - * @content: the XML text content if any - * - * Creation of a new node element within a document. @ns and @content - * are optional (NULL). - * NOTE: @content is supposed to be a piece of XML CDATA, so it allow entities - * references, but XML special chars need to be escaped first by using - * xmlEncodeEntitiesReentrant(). Use xmlNewDocRawNode() if you don't - * need entities support. - * - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewDocNode(xmlDocPtr doc, xmlNsPtr ns, - const xmlChar *name, const xmlChar *content) { - xmlNodePtr cur; - - if ((doc != NULL) && (doc->dict != NULL)) - cur = xmlNewNodeEatName(ns, (xmlChar *) - xmlDictLookup(doc->dict, name, -1)); - else - cur = xmlNewNode(ns, name); - if (cur != NULL) { - cur->doc = doc; - if (content != NULL) { - cur->children = xmlStringGetNodeList(doc, content); - UPDATE_LAST_CHILD_AND_PARENT(cur) - } - } - - return(cur); -} - -/** - * xmlNewDocNodeEatName: - * @doc: the document - * @ns: namespace if any - * @name: the node name - * @content: the XML text content if any - * - * Creation of a new node element within a document. @ns and @content - * are optional (NULL). - * NOTE: @content is supposed to be a piece of XML CDATA, so it allow entities - * references, but XML special chars need to be escaped first by using - * xmlEncodeEntitiesReentrant(). Use xmlNewDocRawNode() if you don't - * need entities support. - * - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewDocNodeEatName(xmlDocPtr doc, xmlNsPtr ns, - xmlChar *name, const xmlChar *content) { - xmlNodePtr cur; - - cur = xmlNewNodeEatName(ns, name); - if (cur != NULL) { - cur->doc = doc; - if (content != NULL) { - cur->children = xmlStringGetNodeList(doc, content); - UPDATE_LAST_CHILD_AND_PARENT(cur) - } - } else { - /* if name don't come from the doc dictionary free it here */ - if ((name != NULL) && (doc != NULL) && - (!(xmlDictOwns(doc->dict, name)))) - xmlFree(name); - } - return(cur); -} - -#ifdef LIBXML_TREE_ENABLED -/** - * xmlNewDocRawNode: - * @doc: the document - * @ns: namespace if any - * @name: the node name - * @content: the text content if any - * - * Creation of a new node element within a document. @ns and @content - * are optional (NULL). - * - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewDocRawNode(xmlDocPtr doc, xmlNsPtr ns, - const xmlChar *name, const xmlChar *content) { - xmlNodePtr cur; - - cur = xmlNewDocNode(doc, ns, name, NULL); - if (cur != NULL) { - cur->doc = doc; - if (content != NULL) { - cur->children = xmlNewDocText(doc, content); - UPDATE_LAST_CHILD_AND_PARENT(cur) - } - } - return(cur); -} - -/** - * xmlNewDocFragment: - * @doc: the document owning the fragment - * - * Creation of a new Fragment node. - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewDocFragment(xmlDocPtr doc) { - xmlNodePtr cur; - - /* - * Allocate a new DocumentFragment node and fill the fields. - */ - cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (cur == NULL) { - xmlTreeErrMemory("building fragment"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNode)); - cur->type = XML_DOCUMENT_FRAG_NODE; - - cur->doc = doc; - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue(cur); - return(cur); -} -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlNewText: - * @content: the text content - * - * Creation of a new text node. - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewText(const xmlChar *content) { - xmlNodePtr cur; - - /* - * Allocate a new node and fill the fields. - */ - cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (cur == NULL) { - xmlTreeErrMemory("building text"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNode)); - cur->type = XML_TEXT_NODE; - - cur->name = xmlStringText; - if (content != NULL) { - cur->content = xmlStrdup(content); - } - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue(cur); - return(cur); -} - -#ifdef LIBXML_TREE_ENABLED -/** - * xmlNewTextChild: - * @parent: the parent node - * @ns: a namespace if any - * @name: the name of the child - * @content: the text content of the child if any. - * - * Creation of a new child element, added at the end of @parent children list. - * @ns and @content parameters are optional (NULL). If @ns is NULL, the newly - * created element inherits the namespace of @parent. If @content is non NULL, - * a child TEXT node will be created containing the string @content. - * NOTE: Use xmlNewChild() if @content will contain entities that need to be - * preserved. Use this function, xmlNewTextChild(), if you need to ensure that - * reserved XML chars that might appear in @content, such as the ampersand, - * greater-than or less-than signs, are automatically replaced by their XML - * escaped entity representations. - * - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewTextChild(xmlNodePtr parent, xmlNsPtr ns, - const xmlChar *name, const xmlChar *content) { - xmlNodePtr cur, prev; - - if (parent == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewTextChild : parent == NULL\n"); -#endif - return(NULL); - } - - if (name == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewTextChild : name == NULL\n"); -#endif - return(NULL); - } - - /* - * Allocate a new node - */ - if (parent->type == XML_ELEMENT_NODE) { - if (ns == NULL) - cur = xmlNewDocRawNode(parent->doc, parent->ns, name, content); - else - cur = xmlNewDocRawNode(parent->doc, ns, name, content); - } else if ((parent->type == XML_DOCUMENT_NODE) || - (parent->type == XML_HTML_DOCUMENT_NODE)) { - if (ns == NULL) - cur = xmlNewDocRawNode((xmlDocPtr) parent, NULL, name, content); - else - cur = xmlNewDocRawNode((xmlDocPtr) parent, ns, name, content); - } else if (parent->type == XML_DOCUMENT_FRAG_NODE) { - cur = xmlNewDocRawNode( parent->doc, ns, name, content); - } else { - return(NULL); - } - if (cur == NULL) return(NULL); - - /* - * add the new element at the end of the children list. - */ - cur->type = XML_ELEMENT_NODE; - cur->parent = parent; - cur->doc = parent->doc; - if (parent->children == NULL) { - parent->children = cur; - parent->last = cur; - } else { - prev = parent->last; - prev->next = cur; - cur->prev = prev; - parent->last = cur; - } - - return(cur); -} -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlNewCharRef: - * @doc: the document - * @name: the char ref string, starting with # or "&# ... ;" - * - * Creation of a new character reference node. - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewCharRef(xmlDocPtr doc, const xmlChar *name) { - xmlNodePtr cur; - - if (name == NULL) - return(NULL); - - /* - * Allocate a new node and fill the fields. - */ - cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (cur == NULL) { - xmlTreeErrMemory("building character reference"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNode)); - cur->type = XML_ENTITY_REF_NODE; - - cur->doc = doc; - if (name[0] == '&') { - int len; - name++; - len = xmlStrlen(name); - if (name[len - 1] == ';') - cur->name = xmlStrndup(name, len - 1); - else - cur->name = xmlStrndup(name, len); - } else - cur->name = xmlStrdup(name); - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue(cur); - return(cur); -} - -/** - * xmlNewReference: - * @doc: the document - * @name: the reference name, or the reference string with & and ; - * - * Creation of a new reference node. - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewReference(const xmlDoc *doc, const xmlChar *name) { - xmlNodePtr cur; - xmlEntityPtr ent; - - if (name == NULL) - return(NULL); - - /* - * Allocate a new node and fill the fields. - */ - cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (cur == NULL) { - xmlTreeErrMemory("building reference"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNode)); - cur->type = XML_ENTITY_REF_NODE; - - cur->doc = (xmlDoc *)doc; - if (name[0] == '&') { - int len; - name++; - len = xmlStrlen(name); - if (name[len - 1] == ';') - cur->name = xmlStrndup(name, len - 1); - else - cur->name = xmlStrndup(name, len); - } else - cur->name = xmlStrdup(name); - - ent = xmlGetDocEntity(doc, cur->name); - if (ent != NULL) { - cur->content = ent->content; - /* - * The parent pointer in entity is a DTD pointer and thus is NOT - * updated. Not sure if this is 100% correct. - * -George - */ - cur->children = (xmlNodePtr) ent; - cur->last = (xmlNodePtr) ent; - } - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue(cur); - return(cur); -} - -/** - * xmlNewDocText: - * @doc: the document - * @content: the text content - * - * Creation of a new text node within a document. - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewDocText(const xmlDoc *doc, const xmlChar *content) { - xmlNodePtr cur; - - cur = xmlNewText(content); - if (cur != NULL) cur->doc = (xmlDoc *)doc; - return(cur); -} - -/** - * xmlNewTextLen: - * @content: the text content - * @len: the text len. - * - * Creation of a new text node with an extra parameter for the content's length - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewTextLen(const xmlChar *content, int len) { - xmlNodePtr cur; - - /* - * Allocate a new node and fill the fields. - */ - cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (cur == NULL) { - xmlTreeErrMemory("building text"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNode)); - cur->type = XML_TEXT_NODE; - - cur->name = xmlStringText; - if (content != NULL) { - cur->content = xmlStrndup(content, len); - } - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue(cur); - return(cur); -} - -/** - * xmlNewDocTextLen: - * @doc: the document - * @content: the text content - * @len: the text len. - * - * Creation of a new text node with an extra content length parameter. The - * text node pertain to a given document. - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewDocTextLen(xmlDocPtr doc, const xmlChar *content, int len) { - xmlNodePtr cur; - - cur = xmlNewTextLen(content, len); - if (cur != NULL) cur->doc = doc; - return(cur); -} - -/** - * xmlNewComment: - * @content: the comment content - * - * Creation of a new node containing a comment. - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewComment(const xmlChar *content) { - xmlNodePtr cur; - - /* - * Allocate a new node and fill the fields. - */ - cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (cur == NULL) { - xmlTreeErrMemory("building comment"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNode)); - cur->type = XML_COMMENT_NODE; - - cur->name = xmlStringComment; - if (content != NULL) { - cur->content = xmlStrdup(content); - } - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue(cur); - return(cur); -} - -/** - * xmlNewCDataBlock: - * @doc: the document - * @content: the CDATA block content content - * @len: the length of the block - * - * Creation of a new node containing a CDATA block. - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewCDataBlock(xmlDocPtr doc, const xmlChar *content, int len) { - xmlNodePtr cur; - - /* - * Allocate a new node and fill the fields. - */ - cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (cur == NULL) { - xmlTreeErrMemory("building CDATA"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNode)); - cur->type = XML_CDATA_SECTION_NODE; - cur->doc = doc; - - if (content != NULL) { - cur->content = xmlStrndup(content, len); - } - - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue(cur); - return(cur); -} - -/** - * xmlNewDocComment: - * @doc: the document - * @content: the comment content - * - * Creation of a new node containing a comment within a document. - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewDocComment(xmlDocPtr doc, const xmlChar *content) { - xmlNodePtr cur; - - cur = xmlNewComment(content); - if (cur != NULL) cur->doc = doc; - return(cur); -} - -/** - * xmlSetTreeDoc: - * @tree: the top element - * @doc: the document - * - * update all nodes under the tree to point to the right document - */ -void -xmlSetTreeDoc(xmlNodePtr tree, xmlDocPtr doc) { - xmlAttrPtr prop; - - if ((tree == NULL) || (tree->type == XML_NAMESPACE_DECL)) - return; - if (tree->doc != doc) { - if(tree->type == XML_ELEMENT_NODE) { - prop = tree->properties; - while (prop != NULL) { - if (prop->atype == XML_ATTRIBUTE_ID) { - xmlRemoveID(tree->doc, prop); - } - - prop->doc = doc; - xmlSetListDoc(prop->children, doc); - - /* - * TODO: ID attributes should be also added to the new - * document, but this breaks things like xmlReplaceNode. - * The underlying problem is that xmlRemoveID is only called - * if a node is destroyed, not if it's unlinked. - */ -#if 0 - if (xmlIsID(doc, tree, prop)) { - xmlChar *idVal = xmlNodeListGetString(doc, prop->children, - 1); - xmlAddID(NULL, doc, idVal, prop); - } -#endif - - prop = prop->next; - } - } - if (tree->children != NULL) - xmlSetListDoc(tree->children, doc); - tree->doc = doc; - } -} - -/** - * xmlSetListDoc: - * @list: the first element - * @doc: the document - * - * update all nodes in the list to point to the right document - */ -void -xmlSetListDoc(xmlNodePtr list, xmlDocPtr doc) { - xmlNodePtr cur; - - if ((list == NULL) || (list->type == XML_NAMESPACE_DECL)) - return; - cur = list; - while (cur != NULL) { - if (cur->doc != doc) - xmlSetTreeDoc(cur, doc); - cur = cur->next; - } -} - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) -/** - * xmlNewChild: - * @parent: the parent node - * @ns: a namespace if any - * @name: the name of the child - * @content: the XML content of the child if any. - * - * Creation of a new child element, added at the end of @parent children list. - * @ns and @content parameters are optional (NULL). If @ns is NULL, the newly - * created element inherits the namespace of @parent. If @content is non NULL, - * a child list containing the TEXTs and ENTITY_REFs node will be created. - * NOTE: @content is supposed to be a piece of XML CDATA, so it allows entity - * references. XML special chars must be escaped first by using - * xmlEncodeEntitiesReentrant(), or xmlNewTextChild() should be used. - * - * Returns a pointer to the new node object. - */ -xmlNodePtr -xmlNewChild(xmlNodePtr parent, xmlNsPtr ns, - const xmlChar *name, const xmlChar *content) { - xmlNodePtr cur, prev; - - if (parent == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewChild : parent == NULL\n"); -#endif - return(NULL); - } - - if (name == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewChild : name == NULL\n"); -#endif - return(NULL); - } - - /* - * Allocate a new node - */ - if (parent->type == XML_ELEMENT_NODE) { - if (ns == NULL) - cur = xmlNewDocNode(parent->doc, parent->ns, name, content); - else - cur = xmlNewDocNode(parent->doc, ns, name, content); - } else if ((parent->type == XML_DOCUMENT_NODE) || - (parent->type == XML_HTML_DOCUMENT_NODE)) { - if (ns == NULL) - cur = xmlNewDocNode((xmlDocPtr) parent, NULL, name, content); - else - cur = xmlNewDocNode((xmlDocPtr) parent, ns, name, content); - } else if (parent->type == XML_DOCUMENT_FRAG_NODE) { - cur = xmlNewDocNode( parent->doc, ns, name, content); - } else { - return(NULL); - } - if (cur == NULL) return(NULL); - - /* - * add the new element at the end of the children list. - */ - cur->type = XML_ELEMENT_NODE; - cur->parent = parent; - cur->doc = parent->doc; - if (parent->children == NULL) { - parent->children = cur; - parent->last = cur; - } else { - prev = parent->last; - prev->next = cur; - cur->prev = prev; - parent->last = cur; - } - - return(cur); -} -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlAddPropSibling: - * @prev: the attribute to which @prop is added after - * @cur: the base attribute passed to calling function - * @prop: the new attribute - * - * Add a new attribute after @prev using @cur as base attribute. - * When inserting before @cur, @prev is passed as @cur->prev. - * When inserting after @cur, @prev is passed as @cur. - * If an existing attribute is found it is detroyed prior to adding @prop. - * - * Returns the attribute being inserted or NULL in case of error. - */ -static xmlNodePtr -xmlAddPropSibling(xmlNodePtr prev, xmlNodePtr cur, xmlNodePtr prop) { - xmlAttrPtr attr; - - if ((cur == NULL) || (cur->type != XML_ATTRIBUTE_NODE) || - (prop == NULL) || (prop->type != XML_ATTRIBUTE_NODE) || - ((prev != NULL) && (prev->type != XML_ATTRIBUTE_NODE))) - return(NULL); - - /* check if an attribute with the same name exists */ - if (prop->ns == NULL) - attr = xmlHasNsProp(cur->parent, prop->name, NULL); - else - attr = xmlHasNsProp(cur->parent, prop->name, prop->ns->href); - - if (prop->doc != cur->doc) { - xmlSetTreeDoc(prop, cur->doc); - } - prop->parent = cur->parent; - prop->prev = prev; - if (prev != NULL) { - prop->next = prev->next; - prev->next = prop; - if (prop->next) - prop->next->prev = prop; - } else { - prop->next = cur; - cur->prev = prop; - } - if (prop->prev == NULL && prop->parent != NULL) - prop->parent->properties = (xmlAttrPtr) prop; - if ((attr != NULL) && (attr->type != XML_ATTRIBUTE_DECL)) { - /* different instance, destroy it (attributes must be unique) */ - xmlRemoveProp((xmlAttrPtr) attr); - } - return prop; -} - -/** - * xmlAddNextSibling: - * @cur: the child node - * @elem: the new node - * - * Add a new node @elem as the next sibling of @cur - * If the new node was already inserted in a document it is - * first unlinked from its existing context. - * As a result of text merging @elem may be freed. - * If the new node is ATTRIBUTE, it is added into properties instead of children. - * If there is an attribute with equal name, it is first destroyed. - * - * Returns the new node or NULL in case of error. - */ -xmlNodePtr -xmlAddNextSibling(xmlNodePtr cur, xmlNodePtr elem) { - if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddNextSibling : cur == NULL\n"); -#endif - return(NULL); - } - if ((elem == NULL) || (elem->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddNextSibling : elem == NULL\n"); -#endif - return(NULL); - } - - if (cur == elem) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddNextSibling : cur == elem\n"); -#endif - return(NULL); - } - - xmlUnlinkNode(elem); - - if (elem->type == XML_TEXT_NODE) { - if (cur->type == XML_TEXT_NODE) { - xmlNodeAddContent(cur, elem->content); - xmlFreeNode(elem); - return(cur); - } - if ((cur->next != NULL) && (cur->next->type == XML_TEXT_NODE) && - (cur->name == cur->next->name)) { - xmlChar *tmp; - - tmp = xmlStrdup(elem->content); - tmp = xmlStrcat(tmp, cur->next->content); - xmlNodeSetContent(cur->next, tmp); - xmlFree(tmp); - xmlFreeNode(elem); - return(cur->next); - } - } else if (elem->type == XML_ATTRIBUTE_NODE) { - return xmlAddPropSibling(cur, cur, elem); - } - - if (elem->doc != cur->doc) { - xmlSetTreeDoc(elem, cur->doc); - } - elem->parent = cur->parent; - elem->prev = cur; - elem->next = cur->next; - cur->next = elem; - if (elem->next != NULL) - elem->next->prev = elem; - if ((elem->parent != NULL) && (elem->parent->last == cur)) - elem->parent->last = elem; - return(elem); -} - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_HTML_ENABLED) || \ - defined(LIBXML_SCHEMAS_ENABLED) || defined(LIBXML_XINCLUDE_ENABLED) -/** - * xmlAddPrevSibling: - * @cur: the child node - * @elem: the new node - * - * Add a new node @elem as the previous sibling of @cur - * merging adjacent TEXT nodes (@elem may be freed) - * If the new node was already inserted in a document it is - * first unlinked from its existing context. - * If the new node is ATTRIBUTE, it is added into properties instead of children. - * If there is an attribute with equal name, it is first destroyed. - * - * Returns the new node or NULL in case of error. - */ -xmlNodePtr -xmlAddPrevSibling(xmlNodePtr cur, xmlNodePtr elem) { - if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddPrevSibling : cur == NULL\n"); -#endif - return(NULL); - } - if ((elem == NULL) || (elem->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddPrevSibling : elem == NULL\n"); -#endif - return(NULL); - } - - if (cur == elem) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddPrevSibling : cur == elem\n"); -#endif - return(NULL); - } - - xmlUnlinkNode(elem); - - if (elem->type == XML_TEXT_NODE) { - if (cur->type == XML_TEXT_NODE) { - xmlChar *tmp; - - tmp = xmlStrdup(elem->content); - tmp = xmlStrcat(tmp, cur->content); - xmlNodeSetContent(cur, tmp); - xmlFree(tmp); - xmlFreeNode(elem); - return(cur); - } - if ((cur->prev != NULL) && (cur->prev->type == XML_TEXT_NODE) && - (cur->name == cur->prev->name)) { - xmlNodeAddContent(cur->prev, elem->content); - xmlFreeNode(elem); - return(cur->prev); - } - } else if (elem->type == XML_ATTRIBUTE_NODE) { - return xmlAddPropSibling(cur->prev, cur, elem); - } - - if (elem->doc != cur->doc) { - xmlSetTreeDoc(elem, cur->doc); - } - elem->parent = cur->parent; - elem->next = cur; - elem->prev = cur->prev; - cur->prev = elem; - if (elem->prev != NULL) - elem->prev->next = elem; - if ((elem->parent != NULL) && (elem->parent->children == cur)) { - elem->parent->children = elem; - } - return(elem); -} -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlAddSibling: - * @cur: the child node - * @elem: the new node - * - * Add a new element @elem to the list of siblings of @cur - * merging adjacent TEXT nodes (@elem may be freed) - * If the new element was already inserted in a document it is - * first unlinked from its existing context. - * - * Returns the new element or NULL in case of error. - */ -xmlNodePtr -xmlAddSibling(xmlNodePtr cur, xmlNodePtr elem) { - xmlNodePtr parent; - - if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddSibling : cur == NULL\n"); -#endif - return(NULL); - } - - if ((elem == NULL) || (elem->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddSibling : elem == NULL\n"); -#endif - return(NULL); - } - - if (cur == elem) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddSibling : cur == elem\n"); -#endif - return(NULL); - } - - /* - * Constant time is we can rely on the ->parent->last to find - * the last sibling. - */ - if ((cur->type != XML_ATTRIBUTE_NODE) && (cur->parent != NULL) && - (cur->parent->children != NULL) && - (cur->parent->last != NULL) && - (cur->parent->last->next == NULL)) { - cur = cur->parent->last; - } else { - while (cur->next != NULL) cur = cur->next; - } - - xmlUnlinkNode(elem); - - if ((cur->type == XML_TEXT_NODE) && (elem->type == XML_TEXT_NODE) && - (cur->name == elem->name)) { - xmlNodeAddContent(cur, elem->content); - xmlFreeNode(elem); - return(cur); - } else if (elem->type == XML_ATTRIBUTE_NODE) { - return xmlAddPropSibling(cur, cur, elem); - } - - if (elem->doc != cur->doc) { - xmlSetTreeDoc(elem, cur->doc); - } - parent = cur->parent; - elem->prev = cur; - elem->next = NULL; - elem->parent = parent; - cur->next = elem; - if (parent != NULL) - parent->last = elem; - - return(elem); -} - -/** - * xmlAddChildList: - * @parent: the parent node - * @cur: the first node in the list - * - * Add a list of node at the end of the child list of the parent - * merging adjacent TEXT nodes (@cur may be freed) - * - * Returns the last child or NULL in case of error. - */ -xmlNodePtr -xmlAddChildList(xmlNodePtr parent, xmlNodePtr cur) { - xmlNodePtr prev; - - if ((parent == NULL) || (parent->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddChildList : parent == NULL\n"); -#endif - return(NULL); - } - - if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddChildList : child == NULL\n"); -#endif - return(NULL); - } - - if ((cur->doc != NULL) && (parent->doc != NULL) && - (cur->doc != parent->doc)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "Elements moved to a different document\n"); -#endif - } - - /* - * add the first element at the end of the children list. - */ - - if (parent->children == NULL) { - parent->children = cur; - } else { - /* - * If cur and parent->last both are TEXT nodes, then merge them. - */ - if ((cur->type == XML_TEXT_NODE) && - (parent->last->type == XML_TEXT_NODE) && - (cur->name == parent->last->name)) { - xmlNodeAddContent(parent->last, cur->content); - /* - * if it's the only child, nothing more to be done. - */ - if (cur->next == NULL) { - xmlFreeNode(cur); - return(parent->last); - } - prev = cur; - cur = cur->next; - xmlFreeNode(prev); - } - prev = parent->last; - prev->next = cur; - cur->prev = prev; - } - while (cur->next != NULL) { - cur->parent = parent; - if (cur->doc != parent->doc) { - xmlSetTreeDoc(cur, parent->doc); - } - cur = cur->next; - } - cur->parent = parent; - /* the parent may not be linked to a doc ! */ - if (cur->doc != parent->doc) { - xmlSetTreeDoc(cur, parent->doc); - } - parent->last = cur; - - return(cur); -} - -/** - * xmlAddChild: - * @parent: the parent node - * @cur: the child node - * - * Add a new node to @parent, at the end of the child (or property) list - * merging adjacent TEXT nodes (in which case @cur is freed) - * If the new node is ATTRIBUTE, it is added into properties instead of children. - * If there is an attribute with equal name, it is first destroyed. - * - * Returns the child or NULL in case of error. - */ -xmlNodePtr -xmlAddChild(xmlNodePtr parent, xmlNodePtr cur) { - xmlNodePtr prev; - - if ((parent == NULL) || (parent->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddChild : parent == NULL\n"); -#endif - return(NULL); - } - - if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddChild : child == NULL\n"); -#endif - return(NULL); - } - - if (parent == cur) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlAddChild : parent == cur\n"); -#endif - return(NULL); - } - /* - * If cur is a TEXT node, merge its content with adjacent TEXT nodes - * cur is then freed. - */ - if (cur->type == XML_TEXT_NODE) { - if ((parent->type == XML_TEXT_NODE) && - (parent->content != NULL) && - (parent->name == cur->name)) { - xmlNodeAddContent(parent, cur->content); - xmlFreeNode(cur); - return(parent); - } - if ((parent->last != NULL) && (parent->last->type == XML_TEXT_NODE) && - (parent->last->name == cur->name) && - (parent->last != cur)) { - xmlNodeAddContent(parent->last, cur->content); - xmlFreeNode(cur); - return(parent->last); - } - } - - /* - * add the new element at the end of the children list. - */ - prev = cur->parent; - cur->parent = parent; - if (cur->doc != parent->doc) { - xmlSetTreeDoc(cur, parent->doc); - } - /* this check prevents a loop on tree-traversions if a developer - * tries to add a node to its parent multiple times - */ - if (prev == parent) - return(cur); - - /* - * Coalescing - */ - if ((parent->type == XML_TEXT_NODE) && - (parent->content != NULL) && - (parent != cur)) { - xmlNodeAddContent(parent, cur->content); - xmlFreeNode(cur); - return(parent); - } - if (cur->type == XML_ATTRIBUTE_NODE) { - if (parent->type != XML_ELEMENT_NODE) - return(NULL); - if (parent->properties != NULL) { - /* check if an attribute with the same name exists */ - xmlAttrPtr lastattr; - - if (cur->ns == NULL) - lastattr = xmlHasNsProp(parent, cur->name, NULL); - else - lastattr = xmlHasNsProp(parent, cur->name, cur->ns->href); - if ((lastattr != NULL) && (lastattr != (xmlAttrPtr) cur) && (lastattr->type != XML_ATTRIBUTE_DECL)) { - /* different instance, destroy it (attributes must be unique) */ - xmlUnlinkNode((xmlNodePtr) lastattr); - xmlFreeProp(lastattr); - } - if (lastattr == (xmlAttrPtr) cur) - return(cur); - - } - if (parent->properties == NULL) { - parent->properties = (xmlAttrPtr) cur; - } else { - /* find the end */ - xmlAttrPtr lastattr = parent->properties; - while (lastattr->next != NULL) { - lastattr = lastattr->next; - } - lastattr->next = (xmlAttrPtr) cur; - ((xmlAttrPtr) cur)->prev = lastattr; - } - } else { - if (parent->children == NULL) { - parent->children = cur; - parent->last = cur; - } else { - prev = parent->last; - prev->next = cur; - cur->prev = prev; - parent->last = cur; - } - } - return(cur); -} - -/** - * xmlGetLastChild: - * @parent: the parent node - * - * Search the last child of a node. - * Returns the last child or NULL if none. - */ -xmlNodePtr -xmlGetLastChild(const xmlNode *parent) { - if ((parent == NULL) || (parent->type == XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlGetLastChild : parent == NULL\n"); -#endif - return(NULL); - } - return(parent->last); -} - -#ifdef LIBXML_TREE_ENABLED -/* - * 5 interfaces from DOM ElementTraversal - */ - -/** - * xmlChildElementCount: - * @parent: the parent node - * - * Finds the current number of child nodes of that element which are - * element nodes. - * Note the handling of entities references is different than in - * the W3C DOM element traversal spec since we don't have back reference - * from entities content to entities references. - * - * Returns the count of element child or 0 if not available - */ -unsigned long -xmlChildElementCount(xmlNodePtr parent) { - unsigned long ret = 0; - xmlNodePtr cur = NULL; - - if (parent == NULL) - return(0); - switch (parent->type) { - case XML_ELEMENT_NODE: - case XML_ENTITY_NODE: - case XML_DOCUMENT_NODE: - case XML_DOCUMENT_FRAG_NODE: - case XML_HTML_DOCUMENT_NODE: - cur = parent->children; - break; - default: - return(0); - } - while (cur != NULL) { - if (cur->type == XML_ELEMENT_NODE) - ret++; - cur = cur->next; - } - return(ret); -} - -/** - * xmlFirstElementChild: - * @parent: the parent node - * - * Finds the first child node of that element which is a Element node - * Note the handling of entities references is different than in - * the W3C DOM element traversal spec since we don't have back reference - * from entities content to entities references. - * - * Returns the first element child or NULL if not available - */ -xmlNodePtr -xmlFirstElementChild(xmlNodePtr parent) { - xmlNodePtr cur = NULL; - - if (parent == NULL) - return(NULL); - switch (parent->type) { - case XML_ELEMENT_NODE: - case XML_ENTITY_NODE: - case XML_DOCUMENT_NODE: - case XML_DOCUMENT_FRAG_NODE: - case XML_HTML_DOCUMENT_NODE: - cur = parent->children; - break; - default: - return(NULL); - } - while (cur != NULL) { - if (cur->type == XML_ELEMENT_NODE) - return(cur); - cur = cur->next; - } - return(NULL); -} - -/** - * xmlLastElementChild: - * @parent: the parent node - * - * Finds the last child node of that element which is a Element node - * Note the handling of entities references is different than in - * the W3C DOM element traversal spec since we don't have back reference - * from entities content to entities references. - * - * Returns the last element child or NULL if not available - */ -xmlNodePtr -xmlLastElementChild(xmlNodePtr parent) { - xmlNodePtr cur = NULL; - - if (parent == NULL) - return(NULL); - switch (parent->type) { - case XML_ELEMENT_NODE: - case XML_ENTITY_NODE: - case XML_DOCUMENT_NODE: - case XML_DOCUMENT_FRAG_NODE: - case XML_HTML_DOCUMENT_NODE: - cur = parent->last; - break; - default: - return(NULL); - } - while (cur != NULL) { - if (cur->type == XML_ELEMENT_NODE) - return(cur); - cur = cur->prev; - } - return(NULL); -} - -/** - * xmlPreviousElementSibling: - * @node: the current node - * - * Finds the first closest previous sibling of the node which is an - * element node. - * Note the handling of entities references is different than in - * the W3C DOM element traversal spec since we don't have back reference - * from entities content to entities references. - * - * Returns the previous element sibling or NULL if not available - */ -xmlNodePtr -xmlPreviousElementSibling(xmlNodePtr node) { - if (node == NULL) - return(NULL); - switch (node->type) { - case XML_ELEMENT_NODE: - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - node = node->prev; - break; - default: - return(NULL); - } - while (node != NULL) { - if (node->type == XML_ELEMENT_NODE) - return(node); - node = node->prev; - } - return(NULL); -} - -/** - * xmlNextElementSibling: - * @node: the current node - * - * Finds the first closest next sibling of the node which is an - * element node. - * Note the handling of entities references is different than in - * the W3C DOM element traversal spec since we don't have back reference - * from entities content to entities references. - * - * Returns the next element sibling or NULL if not available - */ -xmlNodePtr -xmlNextElementSibling(xmlNodePtr node) { - if (node == NULL) - return(NULL); - switch (node->type) { - case XML_ELEMENT_NODE: - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - case XML_DTD_NODE: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - node = node->next; - break; - default: - return(NULL); - } - while (node != NULL) { - if (node->type == XML_ELEMENT_NODE) - return(node); - node = node->next; - } - return(NULL); -} - -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlFreeNodeList: - * @cur: the first node in the list - * - * Free a node and all its siblings, this is a recursive behaviour, all - * the children are freed too. - */ -void -xmlFreeNodeList(xmlNodePtr cur) { - xmlNodePtr next; - xmlDictPtr dict = NULL; - - if (cur == NULL) return; - if (cur->type == XML_NAMESPACE_DECL) { - xmlFreeNsList((xmlNsPtr) cur); - return; - } - if ((cur->type == XML_DOCUMENT_NODE) || -#ifdef LIBXML_DOCB_ENABLED - (cur->type == XML_DOCB_DOCUMENT_NODE) || -#endif - (cur->type == XML_HTML_DOCUMENT_NODE)) { - xmlFreeDoc((xmlDocPtr) cur); - return; - } - if (cur->doc != NULL) dict = cur->doc->dict; - while (cur != NULL) { - next = cur->next; - if (cur->type != XML_DTD_NODE) { - - if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue)) - xmlDeregisterNodeDefaultValue(cur); - - if ((cur->children != NULL) && - (cur->type != XML_ENTITY_REF_NODE)) - xmlFreeNodeList(cur->children); - if (((cur->type == XML_ELEMENT_NODE) || - (cur->type == XML_XINCLUDE_START) || - (cur->type == XML_XINCLUDE_END)) && - (cur->properties != NULL)) - xmlFreePropList(cur->properties); - if ((cur->type != XML_ELEMENT_NODE) && - (cur->type != XML_XINCLUDE_START) && - (cur->type != XML_XINCLUDE_END) && - (cur->type != XML_ENTITY_REF_NODE) && - (cur->content != (xmlChar *) &(cur->properties))) { - DICT_FREE(cur->content) - } - if (((cur->type == XML_ELEMENT_NODE) || - (cur->type == XML_XINCLUDE_START) || - (cur->type == XML_XINCLUDE_END)) && - (cur->nsDef != NULL)) - xmlFreeNsList(cur->nsDef); - - /* - * When a node is a text node or a comment, it uses a global static - * variable for the name of the node. - * Otherwise the node name might come from the document's - * dictionary - */ - if ((cur->name != NULL) && - (cur->type != XML_TEXT_NODE) && - (cur->type != XML_COMMENT_NODE)) - DICT_FREE(cur->name) - xmlFree(cur); - } - cur = next; - } -} - -/** - * xmlFreeNode: - * @cur: the node - * - * Free a node, this is a recursive behaviour, all the children are freed too. - * This doesn't unlink the child from the list, use xmlUnlinkNode() first. - */ -void -xmlFreeNode(xmlNodePtr cur) { - xmlDictPtr dict = NULL; - - if (cur == NULL) return; - - /* use xmlFreeDtd for DTD nodes */ - if (cur->type == XML_DTD_NODE) { - xmlFreeDtd((xmlDtdPtr) cur); - return; - } - if (cur->type == XML_NAMESPACE_DECL) { - xmlFreeNs((xmlNsPtr) cur); - return; - } - if (cur->type == XML_ATTRIBUTE_NODE) { - xmlFreeProp((xmlAttrPtr) cur); - return; - } - - if ((__xmlRegisterCallbacks) && (xmlDeregisterNodeDefaultValue)) - xmlDeregisterNodeDefaultValue(cur); - - if (cur->doc != NULL) dict = cur->doc->dict; - - if (cur->type == XML_ENTITY_DECL) { - xmlEntityPtr ent = (xmlEntityPtr) cur; - DICT_FREE(ent->SystemID); - DICT_FREE(ent->ExternalID); - } - if ((cur->children != NULL) && - (cur->type != XML_ENTITY_REF_NODE)) - xmlFreeNodeList(cur->children); - if (((cur->type == XML_ELEMENT_NODE) || - (cur->type == XML_XINCLUDE_START) || - (cur->type == XML_XINCLUDE_END)) && - (cur->properties != NULL)) - xmlFreePropList(cur->properties); - if ((cur->type != XML_ELEMENT_NODE) && - (cur->content != NULL) && - (cur->type != XML_ENTITY_REF_NODE) && - (cur->type != XML_XINCLUDE_END) && - (cur->type != XML_XINCLUDE_START) && - (cur->content != (xmlChar *) &(cur->properties))) { - DICT_FREE(cur->content) - } - - /* - * When a node is a text node or a comment, it uses a global static - * variable for the name of the node. - * Otherwise the node name might come from the document's dictionary - */ - if ((cur->name != NULL) && - (cur->type != XML_TEXT_NODE) && - (cur->type != XML_COMMENT_NODE)) - DICT_FREE(cur->name) - - if (((cur->type == XML_ELEMENT_NODE) || - (cur->type == XML_XINCLUDE_START) || - (cur->type == XML_XINCLUDE_END)) && - (cur->nsDef != NULL)) - xmlFreeNsList(cur->nsDef); - xmlFree(cur); -} - -/** - * xmlUnlinkNode: - * @cur: the node - * - * Unlink a node from it's current context, the node is not freed - * If one need to free the node, use xmlFreeNode() routine after the - * unlink to discard it. - * Note that namespace nodes can't be unlinked as they do not have - * pointer to their parent. - */ -void -xmlUnlinkNode(xmlNodePtr cur) { - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlUnlinkNode : node == NULL\n"); -#endif - return; - } - if (cur->type == XML_NAMESPACE_DECL) - return; - if (cur->type == XML_DTD_NODE) { - xmlDocPtr doc; - doc = cur->doc; - if (doc != NULL) { - if (doc->intSubset == (xmlDtdPtr) cur) - doc->intSubset = NULL; - if (doc->extSubset == (xmlDtdPtr) cur) - doc->extSubset = NULL; - } - } - if (cur->type == XML_ENTITY_DECL) { - xmlDocPtr doc; - doc = cur->doc; - if (doc != NULL) { - if (doc->intSubset != NULL) { - if (xmlHashLookup(doc->intSubset->entities, cur->name) == cur) - xmlHashRemoveEntry(doc->intSubset->entities, cur->name, - NULL); - if (xmlHashLookup(doc->intSubset->pentities, cur->name) == cur) - xmlHashRemoveEntry(doc->intSubset->pentities, cur->name, - NULL); - } - if (doc->extSubset != NULL) { - if (xmlHashLookup(doc->extSubset->entities, cur->name) == cur) - xmlHashRemoveEntry(doc->extSubset->entities, cur->name, - NULL); - if (xmlHashLookup(doc->extSubset->pentities, cur->name) == cur) - xmlHashRemoveEntry(doc->extSubset->pentities, cur->name, - NULL); - } - } - } - if (cur->parent != NULL) { - xmlNodePtr parent; - parent = cur->parent; - if (cur->type == XML_ATTRIBUTE_NODE) { - if (parent->properties == (xmlAttrPtr) cur) - parent->properties = ((xmlAttrPtr) cur)->next; - } else { - if (parent->children == cur) - parent->children = cur->next; - if (parent->last == cur) - parent->last = cur->prev; - } - cur->parent = NULL; - } - if (cur->next != NULL) - cur->next->prev = cur->prev; - if (cur->prev != NULL) - cur->prev->next = cur->next; - cur->next = cur->prev = NULL; -} - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_WRITER_ENABLED) -/** - * xmlReplaceNode: - * @old: the old node - * @cur: the node - * - * Unlink the old node from its current context, prune the new one - * at the same place. If @cur was already inserted in a document it is - * first unlinked from its existing context. - * - * Returns the @old node - */ -xmlNodePtr -xmlReplaceNode(xmlNodePtr old, xmlNodePtr cur) { - if (old == cur) return(NULL); - if ((old == NULL) || (old->type == XML_NAMESPACE_DECL) || - (old->parent == NULL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlReplaceNode : old == NULL or without parent\n"); -#endif - return(NULL); - } - if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) { - xmlUnlinkNode(old); - return(old); - } - if (cur == old) { - return(old); - } - if ((old->type==XML_ATTRIBUTE_NODE) && (cur->type!=XML_ATTRIBUTE_NODE)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlReplaceNode : Trying to replace attribute node with other node type\n"); -#endif - return(old); - } - if ((cur->type==XML_ATTRIBUTE_NODE) && (old->type!=XML_ATTRIBUTE_NODE)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlReplaceNode : Trying to replace a non-attribute node with attribute node\n"); -#endif - return(old); - } - xmlUnlinkNode(cur); - xmlSetTreeDoc(cur, old->doc); - cur->parent = old->parent; - cur->next = old->next; - if (cur->next != NULL) - cur->next->prev = cur; - cur->prev = old->prev; - if (cur->prev != NULL) - cur->prev->next = cur; - if (cur->parent != NULL) { - if (cur->type == XML_ATTRIBUTE_NODE) { - if (cur->parent->properties == (xmlAttrPtr)old) - cur->parent->properties = ((xmlAttrPtr) cur); - } else { - if (cur->parent->children == old) - cur->parent->children = cur; - if (cur->parent->last == old) - cur->parent->last = cur; - } - } - old->next = old->prev = NULL; - old->parent = NULL; - return(old); -} -#endif /* LIBXML_TREE_ENABLED */ - -/************************************************************************ - * * - * Copy operations * - * * - ************************************************************************/ - -/** - * xmlCopyNamespace: - * @cur: the namespace - * - * Do a copy of the namespace. - * - * Returns: a new #xmlNsPtr, or NULL in case of error. - */ -xmlNsPtr -xmlCopyNamespace(xmlNsPtr cur) { - xmlNsPtr ret; - - if (cur == NULL) return(NULL); - switch (cur->type) { - case XML_LOCAL_NAMESPACE: - ret = xmlNewNs(NULL, cur->href, cur->prefix); - break; - default: -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlCopyNamespace: invalid type %d\n", cur->type); -#endif - return(NULL); - } - return(ret); -} - -/** - * xmlCopyNamespaceList: - * @cur: the first namespace - * - * Do a copy of an namespace list. - * - * Returns: a new #xmlNsPtr, or NULL in case of error. - */ -xmlNsPtr -xmlCopyNamespaceList(xmlNsPtr cur) { - xmlNsPtr ret = NULL; - xmlNsPtr p = NULL,q; - - while (cur != NULL) { - q = xmlCopyNamespace(cur); - if (p == NULL) { - ret = p = q; - } else { - p->next = q; - p = q; - } - cur = cur->next; - } - return(ret); -} - -static xmlNodePtr -xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent); - -static xmlAttrPtr -xmlCopyPropInternal(xmlDocPtr doc, xmlNodePtr target, xmlAttrPtr cur) { - xmlAttrPtr ret; - - if (cur == NULL) return(NULL); - if ((target != NULL) && (target->type != XML_ELEMENT_NODE)) - return(NULL); - if (target != NULL) - ret = xmlNewDocProp(target->doc, cur->name, NULL); - else if (doc != NULL) - ret = xmlNewDocProp(doc, cur->name, NULL); - else if (cur->parent != NULL) - ret = xmlNewDocProp(cur->parent->doc, cur->name, NULL); - else if (cur->children != NULL) - ret = xmlNewDocProp(cur->children->doc, cur->name, NULL); - else - ret = xmlNewDocProp(NULL, cur->name, NULL); - if (ret == NULL) return(NULL); - ret->parent = target; - - if ((cur->ns != NULL) && (target != NULL)) { - xmlNsPtr ns; - - ns = xmlSearchNs(target->doc, target, cur->ns->prefix); - if (ns == NULL) { - /* - * Humm, we are copying an element whose namespace is defined - * out of the new tree scope. Search it in the original tree - * and add it at the top of the new tree - */ - ns = xmlSearchNs(cur->doc, cur->parent, cur->ns->prefix); - if (ns != NULL) { - xmlNodePtr root = target; - xmlNodePtr pred = NULL; - - while (root->parent != NULL) { - pred = root; - root = root->parent; - } - if (root == (xmlNodePtr) target->doc) { - /* correct possibly cycling above the document elt */ - root = pred; - } - ret->ns = xmlNewNs(root, ns->href, ns->prefix); - } - } else { - /* - * we have to find something appropriate here since - * we cant be sure, that the namespce we found is identified - * by the prefix - */ - if (xmlStrEqual(ns->href, cur->ns->href)) { - /* this is the nice case */ - ret->ns = ns; - } else { - /* - * we are in trouble: we need a new reconcilied namespace. - * This is expensive - */ - ret->ns = xmlNewReconciliedNs(target->doc, target, cur->ns); - } - } - - } else - ret->ns = NULL; - - if (cur->children != NULL) { - xmlNodePtr tmp; - - ret->children = xmlStaticCopyNodeList(cur->children, ret->doc, (xmlNodePtr) ret); - ret->last = NULL; - tmp = ret->children; - while (tmp != NULL) { - /* tmp->parent = (xmlNodePtr)ret; */ - if (tmp->next == NULL) - ret->last = tmp; - tmp = tmp->next; - } - } - /* - * Try to handle IDs - */ - if ((target!= NULL) && (cur!= NULL) && - (target->doc != NULL) && (cur->doc != NULL) && - (cur->doc->ids != NULL) && (cur->parent != NULL)) { - if (xmlIsID(cur->doc, cur->parent, cur)) { - xmlChar *id; - - id = xmlNodeListGetString(cur->doc, cur->children, 1); - if (id != NULL) { - xmlAddID(NULL, target->doc, id, ret); - xmlFree(id); - } - } - } - return(ret); -} - -/** - * xmlCopyProp: - * @target: the element where the attribute will be grafted - * @cur: the attribute - * - * Do a copy of the attribute. - * - * Returns: a new #xmlAttrPtr, or NULL in case of error. - */ -xmlAttrPtr -xmlCopyProp(xmlNodePtr target, xmlAttrPtr cur) { - return xmlCopyPropInternal(NULL, target, cur); -} - -/** - * xmlCopyPropList: - * @target: the element where the attributes will be grafted - * @cur: the first attribute - * - * Do a copy of an attribute list. - * - * Returns: a new #xmlAttrPtr, or NULL in case of error. - */ -xmlAttrPtr -xmlCopyPropList(xmlNodePtr target, xmlAttrPtr cur) { - xmlAttrPtr ret = NULL; - xmlAttrPtr p = NULL,q; - - if ((target != NULL) && (target->type != XML_ELEMENT_NODE)) - return(NULL); - while (cur != NULL) { - q = xmlCopyProp(target, cur); - if (q == NULL) - return(NULL); - if (p == NULL) { - ret = p = q; - } else { - p->next = q; - q->prev = p; - p = q; - } - cur = cur->next; - } - return(ret); -} - -/* - * NOTE about the CopyNode operations ! - * - * They are split into external and internal parts for one - * tricky reason: namespaces. Doing a direct copy of a node - * say RPM:Copyright without changing the namespace pointer to - * something else can produce stale links. One way to do it is - * to keep a reference counter but this doesn't work as soon - * as one move the element or the subtree out of the scope of - * the existing namespace. The actual solution seems to add - * a copy of the namespace at the top of the copied tree if - * not available in the subtree. - * Hence two functions, the public front-end call the inner ones - * The argument "recursive" normally indicates a recursive copy - * of the node with values 0 (no) and 1 (yes). For XInclude, - * however, we allow a value of 2 to indicate copy properties and - * namespace info, but don't recurse on children. - */ - -static xmlNodePtr -xmlStaticCopyNode(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent, - int extended) { - xmlNodePtr ret; - - if (node == NULL) return(NULL); - switch (node->type) { - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_ELEMENT_NODE: - case XML_DOCUMENT_FRAG_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - break; - case XML_ATTRIBUTE_NODE: - return((xmlNodePtr) xmlCopyPropInternal(doc, parent, (xmlAttrPtr) node)); - case XML_NAMESPACE_DECL: - return((xmlNodePtr) xmlCopyNamespaceList((xmlNsPtr) node)); - - case XML_DOCUMENT_NODE: - case XML_HTML_DOCUMENT_NODE: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif -#ifdef LIBXML_TREE_ENABLED - return((xmlNodePtr) xmlCopyDoc((xmlDocPtr) node, extended)); -#endif /* LIBXML_TREE_ENABLED */ - case XML_DOCUMENT_TYPE_NODE: - case XML_NOTATION_NODE: - case XML_DTD_NODE: - case XML_ELEMENT_DECL: - case XML_ATTRIBUTE_DECL: - case XML_ENTITY_DECL: - return(NULL); - } - - /* - * Allocate a new node and fill the fields. - */ - ret = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (ret == NULL) { - xmlTreeErrMemory("copying node"); - return(NULL); - } - memset(ret, 0, sizeof(xmlNode)); - ret->type = node->type; - - ret->doc = doc; - ret->parent = parent; - if (node->name == xmlStringText) - ret->name = xmlStringText; - else if (node->name == xmlStringTextNoenc) - ret->name = xmlStringTextNoenc; - else if (node->name == xmlStringComment) - ret->name = xmlStringComment; - else if (node->name != NULL) { - if ((doc != NULL) && (doc->dict != NULL)) - ret->name = xmlDictLookup(doc->dict, node->name, -1); - else - ret->name = xmlStrdup(node->name); - } - if ((node->type != XML_ELEMENT_NODE) && - (node->content != NULL) && - (node->type != XML_ENTITY_REF_NODE) && - (node->type != XML_XINCLUDE_END) && - (node->type != XML_XINCLUDE_START)) { - ret->content = xmlStrdup(node->content); - }else{ - if (node->type == XML_ELEMENT_NODE) - ret->line = node->line; - } - if (parent != NULL) { - xmlNodePtr tmp; - - /* - * this is a tricky part for the node register thing: - * in case ret does get coalesced in xmlAddChild - * the deregister-node callback is called; so we register ret now already - */ - if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue)) - xmlRegisterNodeDefaultValue((xmlNodePtr)ret); - - tmp = xmlAddChild(parent, ret); - /* node could have coalesced */ - if (tmp != ret) - return(tmp); - } - - if (!extended) - goto out; - if (((node->type == XML_ELEMENT_NODE) || - (node->type == XML_XINCLUDE_START)) && (node->nsDef != NULL)) - ret->nsDef = xmlCopyNamespaceList(node->nsDef); - - if (node->ns != NULL) { - xmlNsPtr ns; - - ns = xmlSearchNs(doc, ret, node->ns->prefix); - if (ns == NULL) { - /* - * Humm, we are copying an element whose namespace is defined - * out of the new tree scope. Search it in the original tree - * and add it at the top of the new tree - */ - ns = xmlSearchNs(node->doc, node, node->ns->prefix); - if (ns != NULL) { - xmlNodePtr root = ret; - - while (root->parent != NULL) root = root->parent; - ret->ns = xmlNewNs(root, ns->href, ns->prefix); - } else { - ret->ns = xmlNewReconciliedNs(doc, ret, node->ns); - } - } else { - /* - * reference the existing namespace definition in our own tree. - */ - ret->ns = ns; - } - } - if (((node->type == XML_ELEMENT_NODE) || - (node->type == XML_XINCLUDE_START)) && (node->properties != NULL)) - ret->properties = xmlCopyPropList(ret, node->properties); - if (node->type == XML_ENTITY_REF_NODE) { - if ((doc == NULL) || (node->doc != doc)) { - /* - * The copied node will go into a separate document, so - * to avoid dangling references to the ENTITY_DECL node - * we cannot keep the reference. Try to find it in the - * target document. - */ - ret->children = (xmlNodePtr) xmlGetDocEntity(doc, ret->name); - } else { - ret->children = node->children; - } - ret->last = ret->children; - } else if ((node->children != NULL) && (extended != 2)) { - ret->children = xmlStaticCopyNodeList(node->children, doc, ret); - UPDATE_LAST_CHILD_AND_PARENT(ret) - } - -out: - /* if parent != NULL we already registered the node above */ - if ((parent == NULL) && - ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))) - xmlRegisterNodeDefaultValue((xmlNodePtr)ret); - return(ret); -} - -static xmlNodePtr -xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) { - xmlNodePtr ret = NULL; - xmlNodePtr p = NULL,q; - - while (node != NULL) { -#ifdef LIBXML_TREE_ENABLED - if (node->type == XML_DTD_NODE ) { - if (doc == NULL) { - node = node->next; - continue; - } - if (doc->intSubset == NULL) { - q = (xmlNodePtr) xmlCopyDtd( (xmlDtdPtr) node ); - if (q == NULL) return(NULL); - q->doc = doc; - q->parent = parent; - doc->intSubset = (xmlDtdPtr) q; - xmlAddChild(parent, q); - } else { - q = (xmlNodePtr) doc->intSubset; - xmlAddChild(parent, q); - } - } else -#endif /* LIBXML_TREE_ENABLED */ - q = xmlStaticCopyNode(node, doc, parent, 1); - if (q == NULL) return(NULL); - if (ret == NULL) { - q->prev = NULL; - ret = p = q; - } else if (p != q) { - /* the test is required if xmlStaticCopyNode coalesced 2 text nodes */ - p->next = q; - q->prev = p; - p = q; - } - node = node->next; - } - return(ret); -} - -/** - * xmlCopyNode: - * @node: the node - * @extended: if 1 do a recursive copy (properties, namespaces and children - * when applicable) - * if 2 copy properties and namespaces (when applicable) - * - * Do a copy of the node. - * - * Returns: a new #xmlNodePtr, or NULL in case of error. - */ -xmlNodePtr -xmlCopyNode(xmlNodePtr node, int extended) { - xmlNodePtr ret; - - ret = xmlStaticCopyNode(node, NULL, NULL, extended); - return(ret); -} - -/** - * xmlDocCopyNode: - * @node: the node - * @doc: the document - * @extended: if 1 do a recursive copy (properties, namespaces and children - * when applicable) - * if 2 copy properties and namespaces (when applicable) - * - * Do a copy of the node to a given document. - * - * Returns: a new #xmlNodePtr, or NULL in case of error. - */ -xmlNodePtr -xmlDocCopyNode(xmlNodePtr node, xmlDocPtr doc, int extended) { - xmlNodePtr ret; - - ret = xmlStaticCopyNode(node, doc, NULL, extended); - return(ret); -} - -/** - * xmlDocCopyNodeList: - * @doc: the target document - * @node: the first node in the list. - * - * Do a recursive copy of the node list. - * - * Returns: a new #xmlNodePtr, or NULL in case of error. - */ -xmlNodePtr xmlDocCopyNodeList(xmlDocPtr doc, xmlNodePtr node) { - xmlNodePtr ret = xmlStaticCopyNodeList(node, doc, NULL); - return(ret); -} - -/** - * xmlCopyNodeList: - * @node: the first node in the list. - * - * Do a recursive copy of the node list. - * Use xmlDocCopyNodeList() if possible to ensure string interning. - * - * Returns: a new #xmlNodePtr, or NULL in case of error. - */ -xmlNodePtr xmlCopyNodeList(xmlNodePtr node) { - xmlNodePtr ret = xmlStaticCopyNodeList(node, NULL, NULL); - return(ret); -} - -#if defined(LIBXML_TREE_ENABLED) -/** - * xmlCopyDtd: - * @dtd: the dtd - * - * Do a copy of the dtd. - * - * Returns: a new #xmlDtdPtr, or NULL in case of error. - */ -xmlDtdPtr -xmlCopyDtd(xmlDtdPtr dtd) { - xmlDtdPtr ret; - xmlNodePtr cur, p = NULL, q; - - if (dtd == NULL) return(NULL); - ret = xmlNewDtd(NULL, dtd->name, dtd->ExternalID, dtd->SystemID); - if (ret == NULL) return(NULL); - if (dtd->entities != NULL) - ret->entities = (void *) xmlCopyEntitiesTable( - (xmlEntitiesTablePtr) dtd->entities); - if (dtd->notations != NULL) - ret->notations = (void *) xmlCopyNotationTable( - (xmlNotationTablePtr) dtd->notations); - if (dtd->elements != NULL) - ret->elements = (void *) xmlCopyElementTable( - (xmlElementTablePtr) dtd->elements); - if (dtd->attributes != NULL) - ret->attributes = (void *) xmlCopyAttributeTable( - (xmlAttributeTablePtr) dtd->attributes); - if (dtd->pentities != NULL) - ret->pentities = (void *) xmlCopyEntitiesTable( - (xmlEntitiesTablePtr) dtd->pentities); - - cur = dtd->children; - while (cur != NULL) { - q = NULL; - - if (cur->type == XML_ENTITY_DECL) { - xmlEntityPtr tmp = (xmlEntityPtr) cur; - switch (tmp->etype) { - case XML_INTERNAL_GENERAL_ENTITY: - case XML_EXTERNAL_GENERAL_PARSED_ENTITY: - case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY: - q = (xmlNodePtr) xmlGetEntityFromDtd(ret, tmp->name); - break; - case XML_INTERNAL_PARAMETER_ENTITY: - case XML_EXTERNAL_PARAMETER_ENTITY: - q = (xmlNodePtr) - xmlGetParameterEntityFromDtd(ret, tmp->name); - break; - case XML_INTERNAL_PREDEFINED_ENTITY: - break; - } - } else if (cur->type == XML_ELEMENT_DECL) { - xmlElementPtr tmp = (xmlElementPtr) cur; - q = (xmlNodePtr) - xmlGetDtdQElementDesc(ret, tmp->name, tmp->prefix); - } else if (cur->type == XML_ATTRIBUTE_DECL) { - xmlAttributePtr tmp = (xmlAttributePtr) cur; - q = (xmlNodePtr) - xmlGetDtdQAttrDesc(ret, tmp->elem, tmp->name, tmp->prefix); - } else if (cur->type == XML_COMMENT_NODE) { - q = xmlCopyNode(cur, 0); - } - - if (q == NULL) { - cur = cur->next; - continue; - } - - if (p == NULL) - ret->children = q; - else - p->next = q; - - q->prev = p; - q->parent = (xmlNodePtr) ret; - q->next = NULL; - ret->last = q; - p = q; - cur = cur->next; - } - - return(ret); -} -#endif - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) -/** - * xmlCopyDoc: - * @doc: the document - * @recursive: if not zero do a recursive copy. - * - * Do a copy of the document info. If recursive, the content tree will - * be copied too as well as DTD, namespaces and entities. - * - * Returns: a new #xmlDocPtr, or NULL in case of error. - */ -xmlDocPtr -xmlCopyDoc(xmlDocPtr doc, int recursive) { - xmlDocPtr ret; - - if (doc == NULL) return(NULL); - ret = xmlNewDoc(doc->version); - if (ret == NULL) return(NULL); - if (doc->name != NULL) - ret->name = xmlMemStrdup(doc->name); - if (doc->encoding != NULL) - ret->encoding = xmlStrdup(doc->encoding); - if (doc->URL != NULL) - ret->URL = xmlStrdup(doc->URL); - ret->charset = doc->charset; - ret->compression = doc->compression; - ret->standalone = doc->standalone; - if (!recursive) return(ret); - - ret->last = NULL; - ret->children = NULL; -#ifdef LIBXML_TREE_ENABLED - if (doc->intSubset != NULL) { - ret->intSubset = xmlCopyDtd(doc->intSubset); - if (ret->intSubset == NULL) { - xmlFreeDoc(ret); - return(NULL); - } - xmlSetTreeDoc((xmlNodePtr)ret->intSubset, ret); - ret->intSubset->parent = ret; - } -#endif - if (doc->oldNs != NULL) - ret->oldNs = xmlCopyNamespaceList(doc->oldNs); - if (doc->children != NULL) { - xmlNodePtr tmp; - - ret->children = xmlStaticCopyNodeList(doc->children, ret, - (xmlNodePtr)ret); - ret->last = NULL; - tmp = ret->children; - while (tmp != NULL) { - if (tmp->next == NULL) - ret->last = tmp; - tmp = tmp->next; - } - } - return(ret); -} -#endif /* LIBXML_TREE_ENABLED */ - -/************************************************************************ - * * - * Content access functions * - * * - ************************************************************************/ - -/** - * xmlGetLineNoInternal: - * @node: valid node - * @depth: used to limit any risk of recursion - * - * Get line number of @node. - * Try to override the limitation of lines being store in 16 bits ints - * - * Returns the line number if successful, -1 otherwise - */ -static long -xmlGetLineNoInternal(const xmlNode *node, int depth) -{ - long result = -1; - - if (depth >= 5) - return(-1); - - if (!node) - return result; - if ((node->type == XML_ELEMENT_NODE) || - (node->type == XML_TEXT_NODE) || - (node->type == XML_COMMENT_NODE) || - (node->type == XML_PI_NODE)) { - if (node->line == 65535) { - if ((node->type == XML_TEXT_NODE) && (node->psvi != NULL)) - result = (long) node->psvi; - else if ((node->type == XML_ELEMENT_NODE) && - (node->children != NULL)) - result = xmlGetLineNoInternal(node->children, depth + 1); - else if (node->next != NULL) - result = xmlGetLineNoInternal(node->next, depth + 1); - else if (node->prev != NULL) - result = xmlGetLineNoInternal(node->prev, depth + 1); - } - if ((result == -1) || (result == 65535)) - result = (long) node->line; - } else if ((node->prev != NULL) && - ((node->prev->type == XML_ELEMENT_NODE) || - (node->prev->type == XML_TEXT_NODE) || - (node->prev->type == XML_COMMENT_NODE) || - (node->prev->type == XML_PI_NODE))) - result = xmlGetLineNoInternal(node->prev, depth + 1); - else if ((node->parent != NULL) && - (node->parent->type == XML_ELEMENT_NODE)) - result = xmlGetLineNoInternal(node->parent, depth + 1); - - return result; -} - -/** - * xmlGetLineNo: - * @node: valid node - * - * Get line number of @node. - * Try to override the limitation of lines being store in 16 bits ints - * if XML_PARSE_BIG_LINES parser option was used - * - * Returns the line number if successful, -1 otherwise - */ -long -xmlGetLineNo(const xmlNode *node) -{ - return(xmlGetLineNoInternal(node, 0)); -} - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_DEBUG_ENABLED) -/** - * xmlGetNodePath: - * @node: a node - * - * Build a structure based Path for the given node - * - * Returns the new path or NULL in case of error. The caller must free - * the returned string - */ -xmlChar * -xmlGetNodePath(const xmlNode *node) -{ - const xmlNode *cur, *tmp, *next; - xmlChar *buffer = NULL, *temp; - size_t buf_len; - xmlChar *buf; - const char *sep; - const char *name; - char nametemp[100]; - int occur = 0, generic; - - if ((node == NULL) || (node->type == XML_NAMESPACE_DECL)) - return (NULL); - - buf_len = 500; - buffer = (xmlChar *) xmlMallocAtomic(buf_len * sizeof(xmlChar)); - if (buffer == NULL) { - xmlTreeErrMemory("getting node path"); - return (NULL); - } - buf = (xmlChar *) xmlMallocAtomic(buf_len * sizeof(xmlChar)); - if (buf == NULL) { - xmlTreeErrMemory("getting node path"); - xmlFree(buffer); - return (NULL); - } - - buffer[0] = 0; - cur = node; - do { - name = ""; - sep = "?"; - occur = 0; - if ((cur->type == XML_DOCUMENT_NODE) || - (cur->type == XML_HTML_DOCUMENT_NODE)) { - if (buffer[0] == '/') - break; - sep = "/"; - next = NULL; - } else if (cur->type == XML_ELEMENT_NODE) { - generic = 0; - sep = "/"; - name = (const char *) cur->name; - if (cur->ns) { - if (cur->ns->prefix != NULL) { - snprintf(nametemp, sizeof(nametemp) - 1, "%s:%s", - (char *)cur->ns->prefix, (char *)cur->name); - nametemp[sizeof(nametemp) - 1] = 0; - name = nametemp; - } else { - /* - * We cannot express named elements in the default - * namespace, so use "*". - */ - generic = 1; - name = "*"; - } - } - next = cur->parent; - - /* - * Thumbler index computation - * TODO: the ocurence test seems bogus for namespaced names - */ - tmp = cur->prev; - while (tmp != NULL) { - if ((tmp->type == XML_ELEMENT_NODE) && - (generic || - (xmlStrEqual(cur->name, tmp->name) && - ((tmp->ns == cur->ns) || - ((tmp->ns != NULL) && (cur->ns != NULL) && - (xmlStrEqual(cur->ns->prefix, tmp->ns->prefix))))))) - occur++; - tmp = tmp->prev; - } - if (occur == 0) { - tmp = cur->next; - while (tmp != NULL && occur == 0) { - if ((tmp->type == XML_ELEMENT_NODE) && - (generic || - (xmlStrEqual(cur->name, tmp->name) && - ((tmp->ns == cur->ns) || - ((tmp->ns != NULL) && (cur->ns != NULL) && - (xmlStrEqual(cur->ns->prefix, tmp->ns->prefix))))))) - occur++; - tmp = tmp->next; - } - if (occur != 0) - occur = 1; - } else - occur++; - } else if (cur->type == XML_COMMENT_NODE) { - sep = "/"; - name = "comment()"; - next = cur->parent; - - /* - * Thumbler index computation - */ - tmp = cur->prev; - while (tmp != NULL) { - if (tmp->type == XML_COMMENT_NODE) - occur++; - tmp = tmp->prev; - } - if (occur == 0) { - tmp = cur->next; - while (tmp != NULL && occur == 0) { - if (tmp->type == XML_COMMENT_NODE) - occur++; - tmp = tmp->next; - } - if (occur != 0) - occur = 1; - } else - occur++; - } else if ((cur->type == XML_TEXT_NODE) || - (cur->type == XML_CDATA_SECTION_NODE)) { - sep = "/"; - name = "text()"; - next = cur->parent; - - /* - * Thumbler index computation - */ - tmp = cur->prev; - while (tmp != NULL) { - if ((tmp->type == XML_TEXT_NODE) || - (tmp->type == XML_CDATA_SECTION_NODE)) - occur++; - tmp = tmp->prev; - } - /* - * Evaluate if this is the only text- or CDATA-section-node; - * if yes, then we'll get "text()", otherwise "text()[1]". - */ - if (occur == 0) { - tmp = cur->next; - while (tmp != NULL) { - if ((tmp->type == XML_TEXT_NODE) || - (tmp->type == XML_CDATA_SECTION_NODE)) - { - occur = 1; - break; - } - tmp = tmp->next; - } - } else - occur++; - } else if (cur->type == XML_PI_NODE) { - sep = "/"; - snprintf(nametemp, sizeof(nametemp) - 1, - "processing-instruction('%s')", (char *)cur->name); - nametemp[sizeof(nametemp) - 1] = 0; - name = nametemp; - - next = cur->parent; - - /* - * Thumbler index computation - */ - tmp = cur->prev; - while (tmp != NULL) { - if ((tmp->type == XML_PI_NODE) && - (xmlStrEqual(cur->name, tmp->name))) - occur++; - tmp = tmp->prev; - } - if (occur == 0) { - tmp = cur->next; - while (tmp != NULL && occur == 0) { - if ((tmp->type == XML_PI_NODE) && - (xmlStrEqual(cur->name, tmp->name))) - occur++; - tmp = tmp->next; - } - if (occur != 0) - occur = 1; - } else - occur++; - - } else if (cur->type == XML_ATTRIBUTE_NODE) { - sep = "/@"; - name = (const char *) (((xmlAttrPtr) cur)->name); - if (cur->ns) { - if (cur->ns->prefix != NULL) - snprintf(nametemp, sizeof(nametemp) - 1, "%s:%s", - (char *)cur->ns->prefix, (char *)cur->name); - else - snprintf(nametemp, sizeof(nametemp) - 1, "%s", - (char *)cur->name); - nametemp[sizeof(nametemp) - 1] = 0; - name = nametemp; - } - next = ((xmlAttrPtr) cur)->parent; - } else { - next = cur->parent; - } - - /* - * Make sure there is enough room - */ - if (xmlStrlen(buffer) + sizeof(nametemp) + 20 > buf_len) { - buf_len = - 2 * buf_len + xmlStrlen(buffer) + sizeof(nametemp) + 20; - temp = (xmlChar *) xmlRealloc(buffer, buf_len); - if (temp == NULL) { - xmlTreeErrMemory("getting node path"); - xmlFree(buf); - xmlFree(buffer); - return (NULL); - } - buffer = temp; - temp = (xmlChar *) xmlRealloc(buf, buf_len); - if (temp == NULL) { - xmlTreeErrMemory("getting node path"); - xmlFree(buf); - xmlFree(buffer); - return (NULL); - } - buf = temp; - } - if (occur == 0) - snprintf((char *) buf, buf_len, "%s%s%s", - sep, name, (char *) buffer); - else - snprintf((char *) buf, buf_len, "%s%s[%d]%s", - sep, name, occur, (char *) buffer); - snprintf((char *) buffer, buf_len, "%s", (char *)buf); - cur = next; - } while (cur != NULL); - xmlFree(buf); - return (buffer); -} -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlDocGetRootElement: - * @doc: the document - * - * Get the root element of the document (doc->children is a list - * containing possibly comments, PIs, etc ...). - * - * Returns the #xmlNodePtr for the root or NULL - */ -xmlNodePtr -xmlDocGetRootElement(const xmlDoc *doc) { - xmlNodePtr ret; - - if (doc == NULL) return(NULL); - ret = doc->children; - while (ret != NULL) { - if (ret->type == XML_ELEMENT_NODE) - return(ret); - ret = ret->next; - } - return(ret); -} - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_WRITER_ENABLED) -/** - * xmlDocSetRootElement: - * @doc: the document - * @root: the new document root element, if root is NULL no action is taken, - * to remove a node from a document use xmlUnlinkNode(root) instead. - * - * Set the root element of the document (doc->children is a list - * containing possibly comments, PIs, etc ...). - * - * Returns the old root element if any was found, NULL if root was NULL - */ -xmlNodePtr -xmlDocSetRootElement(xmlDocPtr doc, xmlNodePtr root) { - xmlNodePtr old = NULL; - - if (doc == NULL) return(NULL); - if ((root == NULL) || (root->type == XML_NAMESPACE_DECL)) - return(NULL); - xmlUnlinkNode(root); - xmlSetTreeDoc(root, doc); - root->parent = (xmlNodePtr) doc; - old = doc->children; - while (old != NULL) { - if (old->type == XML_ELEMENT_NODE) - break; - old = old->next; - } - if (old == NULL) { - if (doc->children == NULL) { - doc->children = root; - doc->last = root; - } else { - xmlAddSibling(doc->children, root); - } - } else { - xmlReplaceNode(old, root); - } - return(old); -} -#endif - -#if defined(LIBXML_TREE_ENABLED) -/** - * xmlNodeSetLang: - * @cur: the node being changed - * @lang: the language description - * - * Set the language of a node, i.e. the values of the xml:lang - * attribute. - */ -void -xmlNodeSetLang(xmlNodePtr cur, const xmlChar *lang) { - xmlNsPtr ns; - - if (cur == NULL) return; - switch(cur->type) { - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_COMMENT_NODE: - case XML_DOCUMENT_NODE: - case XML_DOCUMENT_TYPE_NODE: - case XML_DOCUMENT_FRAG_NODE: - case XML_NOTATION_NODE: - case XML_HTML_DOCUMENT_NODE: - case XML_DTD_NODE: - case XML_ELEMENT_DECL: - case XML_ATTRIBUTE_DECL: - case XML_ENTITY_DECL: - case XML_PI_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - case XML_NAMESPACE_DECL: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - return; - case XML_ELEMENT_NODE: - case XML_ATTRIBUTE_NODE: - break; - } - ns = xmlSearchNsByHref(cur->doc, cur, XML_XML_NAMESPACE); - if (ns == NULL) - return; - xmlSetNsProp(cur, ns, BAD_CAST "lang", lang); -} -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlNodeGetLang: - * @cur: the node being checked - * - * Searches the language of a node, i.e. the values of the xml:lang - * attribute or the one carried by the nearest ancestor. - * - * Returns a pointer to the lang value, or NULL if not found - * It's up to the caller to free the memory with xmlFree(). - */ -xmlChar * -xmlNodeGetLang(const xmlNode *cur) { - xmlChar *lang; - - if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL)) - return(NULL); - while (cur != NULL) { - lang = xmlGetNsProp(cur, BAD_CAST "lang", XML_XML_NAMESPACE); - if (lang != NULL) - return(lang); - cur = cur->parent; - } - return(NULL); -} - - -#ifdef LIBXML_TREE_ENABLED -/** - * xmlNodeSetSpacePreserve: - * @cur: the node being changed - * @val: the xml:space value ("0": default, 1: "preserve") - * - * Set (or reset) the space preserving behaviour of a node, i.e. the - * value of the xml:space attribute. - */ -void -xmlNodeSetSpacePreserve(xmlNodePtr cur, int val) { - xmlNsPtr ns; - - if (cur == NULL) return; - switch(cur->type) { - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_COMMENT_NODE: - case XML_DOCUMENT_NODE: - case XML_DOCUMENT_TYPE_NODE: - case XML_DOCUMENT_FRAG_NODE: - case XML_NOTATION_NODE: - case XML_HTML_DOCUMENT_NODE: - case XML_DTD_NODE: - case XML_ELEMENT_DECL: - case XML_ATTRIBUTE_DECL: - case XML_ENTITY_DECL: - case XML_PI_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - case XML_NAMESPACE_DECL: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - return; - case XML_ELEMENT_NODE: - case XML_ATTRIBUTE_NODE: - break; - } - ns = xmlSearchNsByHref(cur->doc, cur, XML_XML_NAMESPACE); - if (ns == NULL) - return; - switch (val) { - case 0: - xmlSetNsProp(cur, ns, BAD_CAST "space", BAD_CAST "default"); - break; - case 1: - xmlSetNsProp(cur, ns, BAD_CAST "space", BAD_CAST "preserve"); - break; - } -} -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlNodeGetSpacePreserve: - * @cur: the node being checked - * - * Searches the space preserving behaviour of a node, i.e. the values - * of the xml:space attribute or the one carried by the nearest - * ancestor. - * - * Returns -1 if xml:space is not inherited, 0 if "default", 1 if "preserve" - */ -int -xmlNodeGetSpacePreserve(const xmlNode *cur) { - xmlChar *space; - - if ((cur == NULL) || (cur->type != XML_ELEMENT_NODE)) - return(-1); - while (cur != NULL) { - space = xmlGetNsProp(cur, BAD_CAST "space", XML_XML_NAMESPACE); - if (space != NULL) { - if (xmlStrEqual(space, BAD_CAST "preserve")) { - xmlFree(space); - return(1); - } - if (xmlStrEqual(space, BAD_CAST "default")) { - xmlFree(space); - return(0); - } - xmlFree(space); - } - cur = cur->parent; - } - return(-1); -} - -#ifdef LIBXML_TREE_ENABLED -/** - * xmlNodeSetName: - * @cur: the node being changed - * @name: the new tag name - * - * Set (or reset) the name of a node. - */ -void -xmlNodeSetName(xmlNodePtr cur, const xmlChar *name) { - xmlDocPtr doc; - xmlDictPtr dict; - const xmlChar *freeme = NULL; - - if (cur == NULL) return; - if (name == NULL) return; - switch(cur->type) { - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_COMMENT_NODE: - case XML_DOCUMENT_TYPE_NODE: - case XML_DOCUMENT_FRAG_NODE: - case XML_NOTATION_NODE: - case XML_HTML_DOCUMENT_NODE: - case XML_NAMESPACE_DECL: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - return; - case XML_ELEMENT_NODE: - case XML_ATTRIBUTE_NODE: - case XML_PI_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - case XML_DTD_NODE: - case XML_DOCUMENT_NODE: - case XML_ELEMENT_DECL: - case XML_ATTRIBUTE_DECL: - case XML_ENTITY_DECL: - break; - } - doc = cur->doc; - if (doc != NULL) - dict = doc->dict; - else - dict = NULL; - if (dict != NULL) { - if ((cur->name != NULL) && (!xmlDictOwns(dict, cur->name))) - freeme = cur->name; - cur->name = xmlDictLookup(dict, name, -1); - } else { - if (cur->name != NULL) - freeme = cur->name; - cur->name = xmlStrdup(name); - } - - if (freeme) - xmlFree((xmlChar *) freeme); -} -#endif - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_XINCLUDE_ENABLED) -/** - * xmlNodeSetBase: - * @cur: the node being changed - * @uri: the new base URI - * - * Set (or reset) the base URI of a node, i.e. the value of the - * xml:base attribute. - */ -void -xmlNodeSetBase(xmlNodePtr cur, const xmlChar* uri) { - xmlNsPtr ns; - xmlChar* fixed; - - if (cur == NULL) return; - switch(cur->type) { - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_COMMENT_NODE: - case XML_DOCUMENT_TYPE_NODE: - case XML_DOCUMENT_FRAG_NODE: - case XML_NOTATION_NODE: - case XML_DTD_NODE: - case XML_ELEMENT_DECL: - case XML_ATTRIBUTE_DECL: - case XML_ENTITY_DECL: - case XML_PI_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - case XML_NAMESPACE_DECL: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - return; - case XML_ELEMENT_NODE: - case XML_ATTRIBUTE_NODE: - break; - case XML_DOCUMENT_NODE: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - case XML_HTML_DOCUMENT_NODE: { - xmlDocPtr doc = (xmlDocPtr) cur; - - if (doc->URL != NULL) - xmlFree((xmlChar *) doc->URL); - if (uri == NULL) - doc->URL = NULL; - else - doc->URL = xmlPathToURI(uri); - return; - } - } - - ns = xmlSearchNsByHref(cur->doc, cur, XML_XML_NAMESPACE); - if (ns == NULL) - return; - fixed = xmlPathToURI(uri); - if (fixed != NULL) { - xmlSetNsProp(cur, ns, BAD_CAST "base", fixed); - xmlFree(fixed); - } else { - xmlSetNsProp(cur, ns, BAD_CAST "base", uri); - } -} -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlNodeGetBase: - * @doc: the document the node pertains to - * @cur: the node being checked - * - * Searches for the BASE URL. The code should work on both XML - * and HTML document even if base mechanisms are completely different. - * It returns the base as defined in RFC 2396 sections - * 5.1.1. Base URI within Document Content - * and - * 5.1.2. Base URI from the Encapsulating Entity - * However it does not return the document base (5.1.3), use - * doc->URL in this case - * - * Returns a pointer to the base URL, or NULL if not found - * It's up to the caller to free the memory with xmlFree(). - */ -xmlChar * -xmlNodeGetBase(const xmlDoc *doc, const xmlNode *cur) { - xmlChar *oldbase = NULL; - xmlChar *base, *newbase; - - if ((cur == NULL) && (doc == NULL)) - return(NULL); - if ((cur != NULL) && (cur->type == XML_NAMESPACE_DECL)) - return(NULL); - if (doc == NULL) doc = cur->doc; - if ((doc != NULL) && (doc->type == XML_HTML_DOCUMENT_NODE)) { - cur = doc->children; - while ((cur != NULL) && (cur->name != NULL)) { - if (cur->type != XML_ELEMENT_NODE) { - cur = cur->next; - continue; - } - if (!xmlStrcasecmp(cur->name, BAD_CAST "html")) { - cur = cur->children; - continue; - } - if (!xmlStrcasecmp(cur->name, BAD_CAST "head")) { - cur = cur->children; - continue; - } - if (!xmlStrcasecmp(cur->name, BAD_CAST "base")) { - return(xmlGetProp(cur, BAD_CAST "href")); - } - cur = cur->next; - } - return(NULL); - } - while (cur != NULL) { - if (cur->type == XML_ENTITY_DECL) { - xmlEntityPtr ent = (xmlEntityPtr) cur; - return(xmlStrdup(ent->URI)); - } - if (cur->type == XML_ELEMENT_NODE) { - base = xmlGetNsProp(cur, BAD_CAST "base", XML_XML_NAMESPACE); - if (base != NULL) { - if (oldbase != NULL) { - newbase = xmlBuildURI(oldbase, base); - if (newbase != NULL) { - xmlFree(oldbase); - xmlFree(base); - oldbase = newbase; - } else { - xmlFree(oldbase); - xmlFree(base); - return(NULL); - } - } else { - oldbase = base; - } - if ((!xmlStrncmp(oldbase, BAD_CAST "http://", 7)) || - (!xmlStrncmp(oldbase, BAD_CAST "ftp://", 6)) || - (!xmlStrncmp(oldbase, BAD_CAST "urn:", 4))) - return(oldbase); - } - } - cur = cur->parent; - } - if ((doc != NULL) && (doc->URL != NULL)) { - if (oldbase == NULL) - return(xmlStrdup(doc->URL)); - newbase = xmlBuildURI(oldbase, doc->URL); - xmlFree(oldbase); - return(newbase); - } - return(oldbase); -} - -/** - * xmlNodeBufGetContent: - * @buffer: a buffer - * @cur: the node being read - * - * Read the value of a node @cur, this can be either the text carried - * directly by this node if it's a TEXT node or the aggregate string - * of the values carried by this node child's (TEXT and ENTITY_REF). - * Entity references are substituted. - * Fills up the buffer @buffer with this value - * - * Returns 0 in case of success and -1 in case of error. - */ -int -xmlNodeBufGetContent(xmlBufferPtr buffer, const xmlNode *cur) -{ - xmlBufPtr buf; - int ret; - - if ((cur == NULL) || (buffer == NULL)) return(-1); - buf = xmlBufFromBuffer(buffer); - ret = xmlBufGetNodeContent(buf, cur); - buffer = xmlBufBackToBuffer(buf); - if ((ret < 0) || (buffer == NULL)) - return(-1); - return(0); -} - -/** - * xmlBufGetNodeContent: - * @buf: a buffer xmlBufPtr - * @cur: the node being read - * - * Read the value of a node @cur, this can be either the text carried - * directly by this node if it's a TEXT node or the aggregate string - * of the values carried by this node child's (TEXT and ENTITY_REF). - * Entity references are substituted. - * Fills up the buffer @buf with this value - * - * Returns 0 in case of success and -1 in case of error. - */ -int -xmlBufGetNodeContent(xmlBufPtr buf, const xmlNode *cur) -{ - if ((cur == NULL) || (buf == NULL)) return(-1); - switch (cur->type) { - case XML_CDATA_SECTION_NODE: - case XML_TEXT_NODE: - xmlBufCat(buf, cur->content); - break; - case XML_DOCUMENT_FRAG_NODE: - case XML_ELEMENT_NODE:{ - const xmlNode *tmp = cur; - - while (tmp != NULL) { - switch (tmp->type) { - case XML_CDATA_SECTION_NODE: - case XML_TEXT_NODE: - if (tmp->content != NULL) - xmlBufCat(buf, tmp->content); - break; - case XML_ENTITY_REF_NODE: - xmlBufGetNodeContent(buf, tmp); - break; - default: - break; - } - /* - * Skip to next node - */ - if (tmp->children != NULL) { - if (tmp->children->type != XML_ENTITY_DECL) { - tmp = tmp->children; - continue; - } - } - if (tmp == cur) - break; - - if (tmp->next != NULL) { - tmp = tmp->next; - continue; - } - - do { - tmp = tmp->parent; - if (tmp == NULL) - break; - if (tmp == cur) { - tmp = NULL; - break; - } - if (tmp->next != NULL) { - tmp = tmp->next; - break; - } - } while (tmp != NULL); - } - break; - } - case XML_ATTRIBUTE_NODE:{ - xmlAttrPtr attr = (xmlAttrPtr) cur; - xmlNodePtr tmp = attr->children; - - while (tmp != NULL) { - if (tmp->type == XML_TEXT_NODE) - xmlBufCat(buf, tmp->content); - else - xmlBufGetNodeContent(buf, tmp); - tmp = tmp->next; - } - break; - } - case XML_COMMENT_NODE: - case XML_PI_NODE: - xmlBufCat(buf, cur->content); - break; - case XML_ENTITY_REF_NODE:{ - xmlEntityPtr ent; - xmlNodePtr tmp; - - /* lookup entity declaration */ - ent = xmlGetDocEntity(cur->doc, cur->name); - if (ent == NULL) - return(-1); - - /* an entity content can be any "well balanced chunk", - * i.e. the result of the content [43] production: - * http://www.w3.org/TR/REC-xml#NT-content - * -> we iterate through child nodes and recursive call - * xmlNodeGetContent() which handles all possible node types */ - tmp = ent->children; - while (tmp) { - xmlBufGetNodeContent(buf, tmp); - tmp = tmp->next; - } - break; - } - case XML_ENTITY_NODE: - case XML_DOCUMENT_TYPE_NODE: - case XML_NOTATION_NODE: - case XML_DTD_NODE: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - break; - case XML_DOCUMENT_NODE: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - case XML_HTML_DOCUMENT_NODE: - cur = cur->children; - while (cur!= NULL) { - if ((cur->type == XML_ELEMENT_NODE) || - (cur->type == XML_TEXT_NODE) || - (cur->type == XML_CDATA_SECTION_NODE)) { - xmlBufGetNodeContent(buf, cur); - } - cur = cur->next; - } - break; - case XML_NAMESPACE_DECL: - xmlBufCat(buf, ((xmlNsPtr) cur)->href); - break; - case XML_ELEMENT_DECL: - case XML_ATTRIBUTE_DECL: - case XML_ENTITY_DECL: - break; - } - return(0); -} - -/** - * xmlNodeGetContent: - * @cur: the node being read - * - * Read the value of a node, this can be either the text carried - * directly by this node if it's a TEXT node or the aggregate string - * of the values carried by this node child's (TEXT and ENTITY_REF). - * Entity references are substituted. - * Returns a new #xmlChar * or NULL if no content is available. - * It's up to the caller to free the memory with xmlFree(). - */ -xmlChar * -xmlNodeGetContent(const xmlNode *cur) -{ - if (cur == NULL) - return (NULL); - switch (cur->type) { - case XML_DOCUMENT_FRAG_NODE: - case XML_ELEMENT_NODE:{ - xmlBufPtr buf; - xmlChar *ret; - - buf = xmlBufCreateSize(64); - if (buf == NULL) - return (NULL); - xmlBufGetNodeContent(buf, cur); - ret = xmlBufDetach(buf); - xmlBufFree(buf); - return (ret); - } - case XML_ATTRIBUTE_NODE: - return(xmlGetPropNodeValueInternal((xmlAttrPtr) cur)); - case XML_COMMENT_NODE: - case XML_PI_NODE: - if (cur->content != NULL) - return (xmlStrdup(cur->content)); - return (NULL); - case XML_ENTITY_REF_NODE:{ - xmlEntityPtr ent; - xmlBufPtr buf; - xmlChar *ret; - - /* lookup entity declaration */ - ent = xmlGetDocEntity(cur->doc, cur->name); - if (ent == NULL) - return (NULL); - - buf = xmlBufCreate(); - if (buf == NULL) - return (NULL); - - xmlBufGetNodeContent(buf, cur); - - ret = xmlBufDetach(buf); - xmlBufFree(buf); - return (ret); - } - case XML_ENTITY_NODE: - case XML_DOCUMENT_TYPE_NODE: - case XML_NOTATION_NODE: - case XML_DTD_NODE: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - return (NULL); - case XML_DOCUMENT_NODE: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - case XML_HTML_DOCUMENT_NODE: { - xmlBufPtr buf; - xmlChar *ret; - - buf = xmlBufCreate(); - if (buf == NULL) - return (NULL); - - xmlBufGetNodeContent(buf, (xmlNodePtr) cur); - - ret = xmlBufDetach(buf); - xmlBufFree(buf); - return (ret); - } - case XML_NAMESPACE_DECL: { - xmlChar *tmp; - - tmp = xmlStrdup(((xmlNsPtr) cur)->href); - return (tmp); - } - case XML_ELEMENT_DECL: - /* TODO !!! */ - return (NULL); - case XML_ATTRIBUTE_DECL: - /* TODO !!! */ - return (NULL); - case XML_ENTITY_DECL: - /* TODO !!! */ - return (NULL); - case XML_CDATA_SECTION_NODE: - case XML_TEXT_NODE: - if (cur->content != NULL) - return (xmlStrdup(cur->content)); - return (NULL); - } - return (NULL); -} - -/** - * xmlNodeSetContent: - * @cur: the node being modified - * @content: the new value of the content - * - * Replace the content of a node. - * NOTE: @content is supposed to be a piece of XML CDATA, so it allows entity - * references, but XML special chars need to be escaped first by using - * xmlEncodeEntitiesReentrant() resp. xmlEncodeSpecialChars(). - */ -void -xmlNodeSetContent(xmlNodePtr cur, const xmlChar *content) { - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNodeSetContent : node == NULL\n"); -#endif - return; - } - switch (cur->type) { - case XML_DOCUMENT_FRAG_NODE: - case XML_ELEMENT_NODE: - case XML_ATTRIBUTE_NODE: - if (cur->children != NULL) xmlFreeNodeList(cur->children); - cur->children = xmlStringGetNodeList(cur->doc, content); - UPDATE_LAST_CHILD_AND_PARENT(cur) - break; - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - if ((cur->content != NULL) && - (cur->content != (xmlChar *) &(cur->properties))) { - if (!((cur->doc != NULL) && (cur->doc->dict != NULL) && - (xmlDictOwns(cur->doc->dict, cur->content)))) - xmlFree(cur->content); - } - if (cur->children != NULL) xmlFreeNodeList(cur->children); - cur->last = cur->children = NULL; - if (content != NULL) { - cur->content = xmlStrdup(content); - } else - cur->content = NULL; - cur->properties = NULL; - cur->nsDef = NULL; - break; - case XML_DOCUMENT_NODE: - case XML_HTML_DOCUMENT_NODE: - case XML_DOCUMENT_TYPE_NODE: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - break; - case XML_NOTATION_NODE: - break; - case XML_DTD_NODE: - break; - case XML_NAMESPACE_DECL: - break; - case XML_ELEMENT_DECL: - /* TODO !!! */ - break; - case XML_ATTRIBUTE_DECL: - /* TODO !!! */ - break; - case XML_ENTITY_DECL: - /* TODO !!! */ - break; - } -} - -#ifdef LIBXML_TREE_ENABLED -/** - * xmlNodeSetContentLen: - * @cur: the node being modified - * @content: the new value of the content - * @len: the size of @content - * - * Replace the content of a node. - * NOTE: @content is supposed to be a piece of XML CDATA, so it allows entity - * references, but XML special chars need to be escaped first by using - * xmlEncodeEntitiesReentrant() resp. xmlEncodeSpecialChars(). - */ -void -xmlNodeSetContentLen(xmlNodePtr cur, const xmlChar *content, int len) { - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNodeSetContentLen : node == NULL\n"); -#endif - return; - } - switch (cur->type) { - case XML_DOCUMENT_FRAG_NODE: - case XML_ELEMENT_NODE: - case XML_ATTRIBUTE_NODE: - if (cur->children != NULL) xmlFreeNodeList(cur->children); - cur->children = xmlStringLenGetNodeList(cur->doc, content, len); - UPDATE_LAST_CHILD_AND_PARENT(cur) - break; - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - case XML_NOTATION_NODE: - if ((cur->content != NULL) && - (cur->content != (xmlChar *) &(cur->properties))) { - if (!((cur->doc != NULL) && (cur->doc->dict != NULL) && - (xmlDictOwns(cur->doc->dict, cur->content)))) - xmlFree(cur->content); - } - if (cur->children != NULL) xmlFreeNodeList(cur->children); - cur->children = cur->last = NULL; - if (content != NULL) { - cur->content = xmlStrndup(content, len); - } else - cur->content = NULL; - cur->properties = NULL; - cur->nsDef = NULL; - break; - case XML_DOCUMENT_NODE: - case XML_DTD_NODE: - case XML_HTML_DOCUMENT_NODE: - case XML_DOCUMENT_TYPE_NODE: - case XML_NAMESPACE_DECL: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - break; - case XML_ELEMENT_DECL: - /* TODO !!! */ - break; - case XML_ATTRIBUTE_DECL: - /* TODO !!! */ - break; - case XML_ENTITY_DECL: - /* TODO !!! */ - break; - } -} -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlNodeAddContentLen: - * @cur: the node being modified - * @content: extra content - * @len: the size of @content - * - * Append the extra substring to the node content. - * NOTE: In contrast to xmlNodeSetContentLen(), @content is supposed to be - * raw text, so unescaped XML special chars are allowed, entity - * references are not supported. - */ -void -xmlNodeAddContentLen(xmlNodePtr cur, const xmlChar *content, int len) { - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNodeAddContentLen : node == NULL\n"); -#endif - return; - } - if (len <= 0) return; - switch (cur->type) { - case XML_DOCUMENT_FRAG_NODE: - case XML_ELEMENT_NODE: { - xmlNodePtr last, newNode, tmp; - - last = cur->last; - newNode = xmlNewTextLen(content, len); - if (newNode != NULL) { - tmp = xmlAddChild(cur, newNode); - if (tmp != newNode) - return; - if ((last != NULL) && (last->next == newNode)) { - xmlTextMerge(last, newNode); - } - } - break; - } - case XML_ATTRIBUTE_NODE: - break; - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - case XML_NOTATION_NODE: - if (content != NULL) { - if ((cur->content == (xmlChar *) &(cur->properties)) || - ((cur->doc != NULL) && (cur->doc->dict != NULL) && - xmlDictOwns(cur->doc->dict, cur->content))) { - cur->content = xmlStrncatNew(cur->content, content, len); - cur->properties = NULL; - cur->nsDef = NULL; - break; - } - cur->content = xmlStrncat(cur->content, content, len); - } - case XML_DOCUMENT_NODE: - case XML_DTD_NODE: - case XML_HTML_DOCUMENT_NODE: - case XML_DOCUMENT_TYPE_NODE: - case XML_NAMESPACE_DECL: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - break; - case XML_ELEMENT_DECL: - case XML_ATTRIBUTE_DECL: - case XML_ENTITY_DECL: - break; - } -} - -/** - * xmlNodeAddContent: - * @cur: the node being modified - * @content: extra content - * - * Append the extra substring to the node content. - * NOTE: In contrast to xmlNodeSetContent(), @content is supposed to be - * raw text, so unescaped XML special chars are allowed, entity - * references are not supported. - */ -void -xmlNodeAddContent(xmlNodePtr cur, const xmlChar *content) { - int len; - - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNodeAddContent : node == NULL\n"); -#endif - return; - } - if (content == NULL) return; - len = xmlStrlen(content); - xmlNodeAddContentLen(cur, content, len); -} - -/** - * xmlTextMerge: - * @first: the first text node - * @second: the second text node being merged - * - * Merge two text nodes into one - * Returns the first text node augmented - */ -xmlNodePtr -xmlTextMerge(xmlNodePtr first, xmlNodePtr second) { - if (first == NULL) return(second); - if (second == NULL) return(first); - if (first->type != XML_TEXT_NODE) return(first); - if (second->type != XML_TEXT_NODE) return(first); - if (second->name != first->name) - return(first); - xmlNodeAddContent(first, second->content); - xmlUnlinkNode(second); - xmlFreeNode(second); - return(first); -} - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_XPATH_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) -/** - * xmlGetNsList: - * @doc: the document - * @node: the current node - * - * Search all the namespace applying to a given element. - * Returns an NULL terminated array of all the #xmlNsPtr found - * that need to be freed by the caller or NULL if no - * namespace if defined - */ -xmlNsPtr * -xmlGetNsList(const xmlDoc *doc ATTRIBUTE_UNUSED, const xmlNode *node) -{ - xmlNsPtr cur; - xmlNsPtr *ret = NULL; - int nbns = 0; - int maxns = 10; - int i; - - if ((node == NULL) || (node->type == XML_NAMESPACE_DECL)) - return(NULL); - - while (node != NULL) { - if (node->type == XML_ELEMENT_NODE) { - cur = node->nsDef; - while (cur != NULL) { - if (ret == NULL) { - ret = - (xmlNsPtr *) xmlMalloc((maxns + 1) * - sizeof(xmlNsPtr)); - if (ret == NULL) { - xmlTreeErrMemory("getting namespace list"); - return (NULL); - } - ret[nbns] = NULL; - } - for (i = 0; i < nbns; i++) { - if ((cur->prefix == ret[i]->prefix) || - (xmlStrEqual(cur->prefix, ret[i]->prefix))) - break; - } - if (i >= nbns) { - if (nbns >= maxns) { - maxns *= 2; - ret = (xmlNsPtr *) xmlRealloc(ret, - (maxns + - 1) * - sizeof(xmlNsPtr)); - if (ret == NULL) { - xmlTreeErrMemory("getting namespace list"); - return (NULL); - } - } - ret[nbns++] = cur; - ret[nbns] = NULL; - } - - cur = cur->next; - } - } - node = node->parent; - } - return (ret); -} -#endif /* LIBXML_TREE_ENABLED */ - -/* -* xmlTreeEnsureXMLDecl: -* @doc: the doc -* -* Ensures that there is an XML namespace declaration on the doc. -* -* Returns the XML ns-struct or NULL on API and internal errors. -*/ -static xmlNsPtr -xmlTreeEnsureXMLDecl(xmlDocPtr doc) -{ - if (doc == NULL) - return (NULL); - if (doc->oldNs != NULL) - return (doc->oldNs); - { - xmlNsPtr ns; - ns = (xmlNsPtr) xmlMalloc(sizeof(xmlNs)); - if (ns == NULL) { - xmlTreeErrMemory( - "allocating the XML namespace"); - return (NULL); - } - memset(ns, 0, sizeof(xmlNs)); - ns->type = XML_LOCAL_NAMESPACE; - ns->href = xmlStrdup(XML_XML_NAMESPACE); - ns->prefix = xmlStrdup((const xmlChar *)"xml"); - doc->oldNs = ns; - return (ns); - } -} - -/** - * xmlSearchNs: - * @doc: the document - * @node: the current node - * @nameSpace: the namespace prefix - * - * Search a Ns registered under a given name space for a document. - * recurse on the parents until it finds the defined namespace - * or return NULL otherwise. - * @nameSpace can be NULL, this is a search for the default namespace. - * We don't allow to cross entities boundaries. If you don't declare - * the namespace within those you will be in troubles !!! A warning - * is generated to cover this case. - * - * Returns the namespace pointer or NULL. - */ -xmlNsPtr -xmlSearchNs(xmlDocPtr doc, xmlNodePtr node, const xmlChar *nameSpace) { - - xmlNsPtr cur; - const xmlNode *orig = node; - - if ((node == NULL) || (node->type == XML_NAMESPACE_DECL)) return(NULL); - if ((nameSpace != NULL) && - (xmlStrEqual(nameSpace, (const xmlChar *)"xml"))) { - if ((doc == NULL) && (node->type == XML_ELEMENT_NODE)) { - /* - * The XML-1.0 namespace is normally held on the root - * element. In this case exceptionally create it on the - * node element. - */ - cur = (xmlNsPtr) xmlMalloc(sizeof(xmlNs)); - if (cur == NULL) { - xmlTreeErrMemory("searching namespace"); - return(NULL); - } - memset(cur, 0, sizeof(xmlNs)); - cur->type = XML_LOCAL_NAMESPACE; - cur->href = xmlStrdup(XML_XML_NAMESPACE); - cur->prefix = xmlStrdup((const xmlChar *)"xml"); - cur->next = node->nsDef; - node->nsDef = cur; - return(cur); - } - if (doc == NULL) { - doc = node->doc; - if (doc == NULL) - return(NULL); - } - /* - * Return the XML namespace declaration held by the doc. - */ - if (doc->oldNs == NULL) - return(xmlTreeEnsureXMLDecl(doc)); - else - return(doc->oldNs); - } - while (node != NULL) { - if ((node->type == XML_ENTITY_REF_NODE) || - (node->type == XML_ENTITY_NODE) || - (node->type == XML_ENTITY_DECL)) - return(NULL); - if (node->type == XML_ELEMENT_NODE) { - cur = node->nsDef; - while (cur != NULL) { - if ((cur->prefix == NULL) && (nameSpace == NULL) && - (cur->href != NULL)) - return(cur); - if ((cur->prefix != NULL) && (nameSpace != NULL) && - (cur->href != NULL) && - (xmlStrEqual(cur->prefix, nameSpace))) - return(cur); - cur = cur->next; - } - if (orig != node) { - cur = node->ns; - if (cur != NULL) { - if ((cur->prefix == NULL) && (nameSpace == NULL) && - (cur->href != NULL)) - return(cur); - if ((cur->prefix != NULL) && (nameSpace != NULL) && - (cur->href != NULL) && - (xmlStrEqual(cur->prefix, nameSpace))) - return(cur); - } - } - } - node = node->parent; - } - return(NULL); -} - -/** - * xmlNsInScope: - * @doc: the document - * @node: the current node - * @ancestor: the ancestor carrying the namespace - * @prefix: the namespace prefix - * - * Verify that the given namespace held on @ancestor is still in scope - * on node. - * - * Returns 1 if true, 0 if false and -1 in case of error. - */ -static int -xmlNsInScope(xmlDocPtr doc ATTRIBUTE_UNUSED, xmlNodePtr node, - xmlNodePtr ancestor, const xmlChar * prefix) -{ - xmlNsPtr tst; - - while ((node != NULL) && (node != ancestor)) { - if ((node->type == XML_ENTITY_REF_NODE) || - (node->type == XML_ENTITY_NODE) || - (node->type == XML_ENTITY_DECL)) - return (-1); - if (node->type == XML_ELEMENT_NODE) { - tst = node->nsDef; - while (tst != NULL) { - if ((tst->prefix == NULL) - && (prefix == NULL)) - return (0); - if ((tst->prefix != NULL) - && (prefix != NULL) - && (xmlStrEqual(tst->prefix, prefix))) - return (0); - tst = tst->next; - } - } - node = node->parent; - } - if (node != ancestor) - return (-1); - return (1); -} - -/** - * xmlSearchNsByHref: - * @doc: the document - * @node: the current node - * @href: the namespace value - * - * Search a Ns aliasing a given URI. Recurse on the parents until it finds - * the defined namespace or return NULL otherwise. - * Returns the namespace pointer or NULL. - */ -xmlNsPtr -xmlSearchNsByHref(xmlDocPtr doc, xmlNodePtr node, const xmlChar * href) -{ - xmlNsPtr cur; - xmlNodePtr orig = node; - int is_attr; - - if ((node == NULL) || (node->type == XML_NAMESPACE_DECL) || (href == NULL)) - return (NULL); - if (xmlStrEqual(href, XML_XML_NAMESPACE)) { - /* - * Only the document can hold the XML spec namespace. - */ - if ((doc == NULL) && (node->type == XML_ELEMENT_NODE)) { - /* - * The XML-1.0 namespace is normally held on the root - * element. In this case exceptionally create it on the - * node element. - */ - cur = (xmlNsPtr) xmlMalloc(sizeof(xmlNs)); - if (cur == NULL) { - xmlTreeErrMemory("searching namespace"); - return (NULL); - } - memset(cur, 0, sizeof(xmlNs)); - cur->type = XML_LOCAL_NAMESPACE; - cur->href = xmlStrdup(XML_XML_NAMESPACE); - cur->prefix = xmlStrdup((const xmlChar *) "xml"); - cur->next = node->nsDef; - node->nsDef = cur; - return (cur); - } - if (doc == NULL) { - doc = node->doc; - if (doc == NULL) - return(NULL); - } - /* - * Return the XML namespace declaration held by the doc. - */ - if (doc->oldNs == NULL) - return(xmlTreeEnsureXMLDecl(doc)); - else - return(doc->oldNs); - } - is_attr = (node->type == XML_ATTRIBUTE_NODE); - while (node != NULL) { - if ((node->type == XML_ENTITY_REF_NODE) || - (node->type == XML_ENTITY_NODE) || - (node->type == XML_ENTITY_DECL)) - return (NULL); - if (node->type == XML_ELEMENT_NODE) { - cur = node->nsDef; - while (cur != NULL) { - if ((cur->href != NULL) && (href != NULL) && - (xmlStrEqual(cur->href, href))) { - if (((!is_attr) || (cur->prefix != NULL)) && - (xmlNsInScope(doc, orig, node, cur->prefix) == 1)) - return (cur); - } - cur = cur->next; - } - if (orig != node) { - cur = node->ns; - if (cur != NULL) { - if ((cur->href != NULL) && (href != NULL) && - (xmlStrEqual(cur->href, href))) { - if (((!is_attr) || (cur->prefix != NULL)) && - (xmlNsInScope(doc, orig, node, cur->prefix) == 1)) - return (cur); - } - } - } - } - node = node->parent; - } - return (NULL); -} - -/** - * xmlNewReconciliedNs: - * @doc: the document - * @tree: a node expected to hold the new namespace - * @ns: the original namespace - * - * This function tries to locate a namespace definition in a tree - * ancestors, or create a new namespace definition node similar to - * @ns trying to reuse the same prefix. However if the given prefix is - * null (default namespace) or reused within the subtree defined by - * @tree or on one of its ancestors then a new prefix is generated. - * Returns the (new) namespace definition or NULL in case of error - */ -static xmlNsPtr -xmlNewReconciliedNs(xmlDocPtr doc, xmlNodePtr tree, xmlNsPtr ns) { - xmlNsPtr def; - xmlChar prefix[50]; - int counter = 1; - - if ((tree == NULL) || (tree->type != XML_ELEMENT_NODE)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewReconciliedNs : tree == NULL\n"); -#endif - return(NULL); - } - if ((ns == NULL) || (ns->type != XML_NAMESPACE_DECL)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlNewReconciliedNs : ns == NULL\n"); -#endif - return(NULL); - } - /* - * Search an existing namespace definition inherited. - */ - def = xmlSearchNsByHref(doc, tree, ns->href); - if (def != NULL) - return(def); - - /* - * Find a close prefix which is not already in use. - * Let's strip namespace prefixes longer than 20 chars ! - */ - if (ns->prefix == NULL) - snprintf((char *) prefix, sizeof(prefix), "default"); - else - snprintf((char *) prefix, sizeof(prefix), "%.20s", (char *)ns->prefix); - - def = xmlSearchNs(doc, tree, prefix); - while (def != NULL) { - if (counter > 1000) return(NULL); - if (ns->prefix == NULL) - snprintf((char *) prefix, sizeof(prefix), "default%d", counter++); - else - snprintf((char *) prefix, sizeof(prefix), "%.20s%d", - (char *)ns->prefix, counter++); - def = xmlSearchNs(doc, tree, prefix); - } - - /* - * OK, now we are ready to create a new one. - */ - def = xmlNewNs(tree, ns->href, prefix); - return(def); -} - -#ifdef LIBXML_TREE_ENABLED -/** - * xmlReconciliateNs: - * @doc: the document - * @tree: a node defining the subtree to reconciliate - * - * This function checks that all the namespaces declared within the given - * tree are properly declared. This is needed for example after Copy or Cut - * and then paste operations. The subtree may still hold pointers to - * namespace declarations outside the subtree or invalid/masked. As much - * as possible the function try to reuse the existing namespaces found in - * the new environment. If not possible the new namespaces are redeclared - * on @tree at the top of the given subtree. - * Returns the number of namespace declarations created or -1 in case of error. - */ -int -xmlReconciliateNs(xmlDocPtr doc, xmlNodePtr tree) { - xmlNsPtr *oldNs = NULL; - xmlNsPtr *newNs = NULL; - int sizeCache = 0; - int nbCache = 0; - - xmlNsPtr n; - xmlNodePtr node = tree; - xmlAttrPtr attr; - int ret = 0, i; - - if ((node == NULL) || (node->type != XML_ELEMENT_NODE)) return(-1); - if ((doc == NULL) || (doc->type != XML_DOCUMENT_NODE)) return(-1); - if (node->doc != doc) return(-1); - while (node != NULL) { - /* - * Reconciliate the node namespace - */ - if (node->ns != NULL) { - /* - * initialize the cache if needed - */ - if (sizeCache == 0) { - sizeCache = 10; - oldNs = (xmlNsPtr *) xmlMalloc(sizeCache * - sizeof(xmlNsPtr)); - if (oldNs == NULL) { - xmlTreeErrMemory("fixing namespaces"); - return(-1); - } - newNs = (xmlNsPtr *) xmlMalloc(sizeCache * - sizeof(xmlNsPtr)); - if (newNs == NULL) { - xmlTreeErrMemory("fixing namespaces"); - xmlFree(oldNs); - return(-1); - } - } - for (i = 0;i < nbCache;i++) { - if (oldNs[i] == node->ns) { - node->ns = newNs[i]; - break; - } - } - if (i == nbCache) { - /* - * OK we need to recreate a new namespace definition - */ - n = xmlNewReconciliedNs(doc, tree, node->ns); - if (n != NULL) { /* :-( what if else ??? */ - /* - * check if we need to grow the cache buffers. - */ - if (sizeCache <= nbCache) { - sizeCache *= 2; - oldNs = (xmlNsPtr *) xmlRealloc(oldNs, sizeCache * - sizeof(xmlNsPtr)); - if (oldNs == NULL) { - xmlTreeErrMemory("fixing namespaces"); - xmlFree(newNs); - return(-1); - } - newNs = (xmlNsPtr *) xmlRealloc(newNs, sizeCache * - sizeof(xmlNsPtr)); - if (newNs == NULL) { - xmlTreeErrMemory("fixing namespaces"); - xmlFree(oldNs); - return(-1); - } - } - newNs[nbCache] = n; - oldNs[nbCache++] = node->ns; - node->ns = n; - } - } - } - /* - * now check for namespace hold by attributes on the node. - */ - if (node->type == XML_ELEMENT_NODE) { - attr = node->properties; - while (attr != NULL) { - if (attr->ns != NULL) { - /* - * initialize the cache if needed - */ - if (sizeCache == 0) { - sizeCache = 10; - oldNs = (xmlNsPtr *) xmlMalloc(sizeCache * - sizeof(xmlNsPtr)); - if (oldNs == NULL) { - xmlTreeErrMemory("fixing namespaces"); - return(-1); - } - newNs = (xmlNsPtr *) xmlMalloc(sizeCache * - sizeof(xmlNsPtr)); - if (newNs == NULL) { - xmlTreeErrMemory("fixing namespaces"); - xmlFree(oldNs); - return(-1); - } - } - for (i = 0;i < nbCache;i++) { - if (oldNs[i] == attr->ns) { - attr->ns = newNs[i]; - break; - } - } - if (i == nbCache) { - /* - * OK we need to recreate a new namespace definition - */ - n = xmlNewReconciliedNs(doc, tree, attr->ns); - if (n != NULL) { /* :-( what if else ??? */ - /* - * check if we need to grow the cache buffers. - */ - if (sizeCache <= nbCache) { - sizeCache *= 2; - oldNs = (xmlNsPtr *) xmlRealloc(oldNs, - sizeCache * sizeof(xmlNsPtr)); - if (oldNs == NULL) { - xmlTreeErrMemory("fixing namespaces"); - xmlFree(newNs); - return(-1); - } - newNs = (xmlNsPtr *) xmlRealloc(newNs, - sizeCache * sizeof(xmlNsPtr)); - if (newNs == NULL) { - xmlTreeErrMemory("fixing namespaces"); - xmlFree(oldNs); - return(-1); - } - } - newNs[nbCache] = n; - oldNs[nbCache++] = attr->ns; - attr->ns = n; - } - } - } - attr = attr->next; - } - } - - /* - * Browse the full subtree, deep first - */ - if ((node->children != NULL) && (node->type != XML_ENTITY_REF_NODE)) { - /* deep first */ - node = node->children; - } else if ((node != tree) && (node->next != NULL)) { - /* then siblings */ - node = node->next; - } else if (node != tree) { - /* go up to parents->next if needed */ - while (node != tree) { - if (node->parent != NULL) - node = node->parent; - if ((node != tree) && (node->next != NULL)) { - node = node->next; - break; - } - if (node->parent == NULL) { - node = NULL; - break; - } - } - /* exit condition */ - if (node == tree) - node = NULL; - } else - break; - } - if (oldNs != NULL) - xmlFree(oldNs); - if (newNs != NULL) - xmlFree(newNs); - return(ret); -} -#endif /* LIBXML_TREE_ENABLED */ - -static xmlAttrPtr -xmlGetPropNodeInternal(const xmlNode *node, const xmlChar *name, - const xmlChar *nsName, int useDTD) -{ - xmlAttrPtr prop; - - if ((node == NULL) || (node->type != XML_ELEMENT_NODE) || (name == NULL)) - return(NULL); - - if (node->properties != NULL) { - prop = node->properties; - if (nsName == NULL) { - /* - * We want the attr to be in no namespace. - */ - do { - if ((prop->ns == NULL) && xmlStrEqual(prop->name, name)) { - return(prop); - } - prop = prop->next; - } while (prop != NULL); - } else { - /* - * We want the attr to be in the specified namespace. - */ - do { - if ((prop->ns != NULL) && xmlStrEqual(prop->name, name) && - ((prop->ns->href == nsName) || - xmlStrEqual(prop->ns->href, nsName))) - { - return(prop); - } - prop = prop->next; - } while (prop != NULL); - } - } - -#ifdef LIBXML_TREE_ENABLED - if (! useDTD) - return(NULL); - /* - * Check if there is a default/fixed attribute declaration in - * the internal or external subset. - */ - if ((node->doc != NULL) && (node->doc->intSubset != NULL)) { - xmlDocPtr doc = node->doc; - xmlAttributePtr attrDecl = NULL; - xmlChar *elemQName, *tmpstr = NULL; - - /* - * We need the QName of the element for the DTD-lookup. - */ - if ((node->ns != NULL) && (node->ns->prefix != NULL)) { - tmpstr = xmlStrdup(node->ns->prefix); - tmpstr = xmlStrcat(tmpstr, BAD_CAST ":"); - tmpstr = xmlStrcat(tmpstr, node->name); - if (tmpstr == NULL) - return(NULL); - elemQName = tmpstr; - } else - elemQName = (xmlChar *) node->name; - if (nsName == NULL) { - /* - * The common and nice case: Attr in no namespace. - */ - attrDecl = xmlGetDtdQAttrDesc(doc->intSubset, - elemQName, name, NULL); - if ((attrDecl == NULL) && (doc->extSubset != NULL)) { - attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, - elemQName, name, NULL); - } - } else { - xmlNsPtr *nsList, *cur; - - /* - * The ugly case: Search using the prefixes of in-scope - * ns-decls corresponding to @nsName. - */ - nsList = xmlGetNsList(node->doc, node); - if (nsList == NULL) { - if (tmpstr != NULL) - xmlFree(tmpstr); - return(NULL); - } - cur = nsList; - while (*cur != NULL) { - if (xmlStrEqual((*cur)->href, nsName)) { - attrDecl = xmlGetDtdQAttrDesc(doc->intSubset, elemQName, - name, (*cur)->prefix); - if (attrDecl) - break; - if (doc->extSubset != NULL) { - attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, elemQName, - name, (*cur)->prefix); - if (attrDecl) - break; - } - } - cur++; - } - xmlFree(nsList); - } - if (tmpstr != NULL) - xmlFree(tmpstr); - /* - * Only default/fixed attrs are relevant. - */ - if ((attrDecl != NULL) && (attrDecl->defaultValue != NULL)) - return((xmlAttrPtr) attrDecl); - } -#endif /* LIBXML_TREE_ENABLED */ - return(NULL); -} - -static xmlChar* -xmlGetPropNodeValueInternal(const xmlAttr *prop) -{ - if (prop == NULL) - return(NULL); - if (prop->type == XML_ATTRIBUTE_NODE) { - /* - * Note that we return at least the empty string. - * TODO: Do we really always want that? - */ - if (prop->children != NULL) { - if ((prop->children->next == NULL) && - ((prop->children->type == XML_TEXT_NODE) || - (prop->children->type == XML_CDATA_SECTION_NODE))) - { - /* - * Optimization for the common case: only 1 text node. - */ - return(xmlStrdup(prop->children->content)); - } else { - xmlChar *ret; - - ret = xmlNodeListGetString(prop->doc, prop->children, 1); - if (ret != NULL) - return(ret); - } - } - return(xmlStrdup((xmlChar *)"")); - } else if (prop->type == XML_ATTRIBUTE_DECL) { - return(xmlStrdup(((xmlAttributePtr)prop)->defaultValue)); - } - return(NULL); -} - -/** - * xmlHasProp: - * @node: the node - * @name: the attribute name - * - * Search an attribute associated to a node - * This function also looks in DTD attribute declaration for #FIXED or - * default declaration values unless DTD use has been turned off. - * - * Returns the attribute or the attribute declaration or NULL if - * neither was found. - */ -xmlAttrPtr -xmlHasProp(const xmlNode *node, const xmlChar *name) { - xmlAttrPtr prop; - xmlDocPtr doc; - - if ((node == NULL) || (node->type != XML_ELEMENT_NODE) || (name == NULL)) - return(NULL); - /* - * Check on the properties attached to the node - */ - prop = node->properties; - while (prop != NULL) { - if (xmlStrEqual(prop->name, name)) { - return(prop); - } - prop = prop->next; - } - if (!xmlCheckDTD) return(NULL); - - /* - * Check if there is a default declaration in the internal - * or external subsets - */ - doc = node->doc; - if (doc != NULL) { - xmlAttributePtr attrDecl; - if (doc->intSubset != NULL) { - attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name); - if ((attrDecl == NULL) && (doc->extSubset != NULL)) - attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name); - if ((attrDecl != NULL) && (attrDecl->defaultValue != NULL)) - /* return attribute declaration only if a default value is given - (that includes #FIXED declarations) */ - return((xmlAttrPtr) attrDecl); - } - } - return(NULL); -} - -/** - * xmlHasNsProp: - * @node: the node - * @name: the attribute name - * @nameSpace: the URI of the namespace - * - * Search for an attribute associated to a node - * This attribute has to be anchored in the namespace specified. - * This does the entity substitution. - * This function looks in DTD attribute declaration for #FIXED or - * default declaration values unless DTD use has been turned off. - * Note that a namespace of NULL indicates to use the default namespace. - * - * Returns the attribute or the attribute declaration or NULL - * if neither was found. - */ -xmlAttrPtr -xmlHasNsProp(const xmlNode *node, const xmlChar *name, const xmlChar *nameSpace) { - - return(xmlGetPropNodeInternal(node, name, nameSpace, xmlCheckDTD)); -} - -/** - * xmlGetProp: - * @node: the node - * @name: the attribute name - * - * Search and get the value of an attribute associated to a node - * This does the entity substitution. - * This function looks in DTD attribute declaration for #FIXED or - * default declaration values unless DTD use has been turned off. - * NOTE: this function acts independently of namespaces associated - * to the attribute. Use xmlGetNsProp() or xmlGetNoNsProp() - * for namespace aware processing. - * - * Returns the attribute value or NULL if not found. - * It's up to the caller to free the memory with xmlFree(). - */ -xmlChar * -xmlGetProp(const xmlNode *node, const xmlChar *name) { - xmlAttrPtr prop; - - prop = xmlHasProp(node, name); - if (prop == NULL) - return(NULL); - return(xmlGetPropNodeValueInternal(prop)); -} - -/** - * xmlGetNoNsProp: - * @node: the node - * @name: the attribute name - * - * Search and get the value of an attribute associated to a node - * This does the entity substitution. - * This function looks in DTD attribute declaration for #FIXED or - * default declaration values unless DTD use has been turned off. - * This function is similar to xmlGetProp except it will accept only - * an attribute in no namespace. - * - * Returns the attribute value or NULL if not found. - * It's up to the caller to free the memory with xmlFree(). - */ -xmlChar * -xmlGetNoNsProp(const xmlNode *node, const xmlChar *name) { - xmlAttrPtr prop; - - prop = xmlGetPropNodeInternal(node, name, NULL, xmlCheckDTD); - if (prop == NULL) - return(NULL); - return(xmlGetPropNodeValueInternal(prop)); -} - -/** - * xmlGetNsProp: - * @node: the node - * @name: the attribute name - * @nameSpace: the URI of the namespace - * - * Search and get the value of an attribute associated to a node - * This attribute has to be anchored in the namespace specified. - * This does the entity substitution. - * This function looks in DTD attribute declaration for #FIXED or - * default declaration values unless DTD use has been turned off. - * - * Returns the attribute value or NULL if not found. - * It's up to the caller to free the memory with xmlFree(). - */ -xmlChar * -xmlGetNsProp(const xmlNode *node, const xmlChar *name, const xmlChar *nameSpace) { - xmlAttrPtr prop; - - prop = xmlGetPropNodeInternal(node, name, nameSpace, xmlCheckDTD); - if (prop == NULL) - return(NULL); - return(xmlGetPropNodeValueInternal(prop)); -} - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) -/** - * xmlUnsetProp: - * @node: the node - * @name: the attribute name - * - * Remove an attribute carried by a node. - * This handles only attributes in no namespace. - * Returns 0 if successful, -1 if not found - */ -int -xmlUnsetProp(xmlNodePtr node, const xmlChar *name) { - xmlAttrPtr prop; - - prop = xmlGetPropNodeInternal(node, name, NULL, 0); - if (prop == NULL) - return(-1); - xmlUnlinkNode((xmlNodePtr) prop); - xmlFreeProp(prop); - return(0); -} - -/** - * xmlUnsetNsProp: - * @node: the node - * @ns: the namespace definition - * @name: the attribute name - * - * Remove an attribute carried by a node. - * Returns 0 if successful, -1 if not found - */ -int -xmlUnsetNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name) { - xmlAttrPtr prop; - - prop = xmlGetPropNodeInternal(node, name, (ns != NULL) ? ns->href : NULL, 0); - if (prop == NULL) - return(-1); - xmlUnlinkNode((xmlNodePtr) prop); - xmlFreeProp(prop); - return(0); -} -#endif - -#if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_XINCLUDE_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) || defined(LIBXML_HTML_ENABLED) -/** - * xmlSetProp: - * @node: the node - * @name: the attribute name (a QName) - * @value: the attribute value - * - * Set (or reset) an attribute carried by a node. - * If @name has a prefix, then the corresponding - * namespace-binding will be used, if in scope; it is an - * error it there's no such ns-binding for the prefix in - * scope. - * Returns the attribute pointer. - * - */ -xmlAttrPtr -xmlSetProp(xmlNodePtr node, const xmlChar *name, const xmlChar *value) { - int len; - const xmlChar *nqname; - - if ((node == NULL) || (name == NULL) || (node->type != XML_ELEMENT_NODE)) - return(NULL); - - /* - * handle QNames - */ - nqname = xmlSplitQName3(name, &len); - if (nqname != NULL) { - xmlNsPtr ns; - xmlChar *prefix = xmlStrndup(name, len); - ns = xmlSearchNs(node->doc, node, prefix); - if (prefix != NULL) - xmlFree(prefix); - if (ns != NULL) - return(xmlSetNsProp(node, ns, nqname, value)); - } - return(xmlSetNsProp(node, NULL, name, value)); -} - -/** - * xmlSetNsProp: - * @node: the node - * @ns: the namespace definition - * @name: the attribute name - * @value: the attribute value - * - * Set (or reset) an attribute carried by a node. - * The ns structure must be in scope, this is not checked - * - * Returns the attribute pointer. - */ -xmlAttrPtr -xmlSetNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name, - const xmlChar *value) -{ - xmlAttrPtr prop; - - if (ns && (ns->href == NULL)) - return(NULL); - prop = xmlGetPropNodeInternal(node, name, (ns != NULL) ? ns->href : NULL, 0); - if (prop != NULL) { - /* - * Modify the attribute's value. - */ - if (prop->atype == XML_ATTRIBUTE_ID) { - xmlRemoveID(node->doc, prop); - prop->atype = XML_ATTRIBUTE_ID; - } - if (prop->children != NULL) - xmlFreeNodeList(prop->children); - prop->children = NULL; - prop->last = NULL; - prop->ns = ns; - if (value != NULL) { - xmlNodePtr tmp; - - if(!xmlCheckUTF8(value)) { - xmlTreeErr(XML_TREE_NOT_UTF8, (xmlNodePtr) node->doc, - NULL); - if (node->doc != NULL) - node->doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1"); - } - prop->children = xmlNewDocText(node->doc, value); - prop->last = NULL; - tmp = prop->children; - while (tmp != NULL) { - tmp->parent = (xmlNodePtr) prop; - if (tmp->next == NULL) - prop->last = tmp; - tmp = tmp->next; - } - } - if (prop->atype == XML_ATTRIBUTE_ID) - xmlAddID(NULL, node->doc, value, prop); - return(prop); - } - /* - * No equal attr found; create a new one. - */ - return(xmlNewPropInternal(node, ns, name, value, 0)); -} - -#endif /* LIBXML_TREE_ENABLED */ - -/** - * xmlNodeIsText: - * @node: the node - * - * Is this node a Text node ? - * Returns 1 yes, 0 no - */ -int -xmlNodeIsText(const xmlNode *node) { - if (node == NULL) return(0); - - if (node->type == XML_TEXT_NODE) return(1); - return(0); -} - -/** - * xmlIsBlankNode: - * @node: the node - * - * Checks whether this node is an empty or whitespace only - * (and possibly ignorable) text-node. - * - * Returns 1 yes, 0 no - */ -int -xmlIsBlankNode(const xmlNode *node) { - const xmlChar *cur; - if (node == NULL) return(0); - - if ((node->type != XML_TEXT_NODE) && - (node->type != XML_CDATA_SECTION_NODE)) - return(0); - if (node->content == NULL) return(1); - cur = node->content; - while (*cur != 0) { - if (!IS_BLANK_CH(*cur)) return(0); - cur++; - } - - return(1); -} - -/** - * xmlTextConcat: - * @node: the node - * @content: the content - * @len: @content length - * - * Concat the given string at the end of the existing node content - * - * Returns -1 in case of error, 0 otherwise - */ - -int -xmlTextConcat(xmlNodePtr node, const xmlChar *content, int len) { - if (node == NULL) return(-1); - - if ((node->type != XML_TEXT_NODE) && - (node->type != XML_CDATA_SECTION_NODE) && - (node->type != XML_COMMENT_NODE) && - (node->type != XML_PI_NODE)) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "xmlTextConcat: node is not text nor CDATA\n"); -#endif - return(-1); - } - /* need to check if content is currently in the dictionary */ - if ((node->content == (xmlChar *) &(node->properties)) || - ((node->doc != NULL) && (node->doc->dict != NULL) && - xmlDictOwns(node->doc->dict, node->content))) { - node->content = xmlStrncatNew(node->content, content, len); - } else { - node->content = xmlStrncat(node->content, content, len); - } - node->properties = NULL; - if (node->content == NULL) - return(-1); - return(0); -} - -/************************************************************************ - * * - * Output : to a FILE or in memory * - * * - ************************************************************************/ - -/** - * xmlBufferCreate: - * - * routine to create an XML buffer. - * returns the new structure. - */ -xmlBufferPtr -xmlBufferCreate(void) { - xmlBufferPtr ret; - - ret = (xmlBufferPtr) xmlMalloc(sizeof(xmlBuffer)); - if (ret == NULL) { - xmlTreeErrMemory("creating buffer"); - return(NULL); - } - ret->use = 0; - ret->size = xmlDefaultBufferSize; - ret->alloc = xmlBufferAllocScheme; - ret->content = (xmlChar *) xmlMallocAtomic(ret->size * sizeof(xmlChar)); - if (ret->content == NULL) { - xmlTreeErrMemory("creating buffer"); - xmlFree(ret); - return(NULL); - } - ret->content[0] = 0; - ret->contentIO = NULL; - return(ret); -} - -/** - * xmlBufferCreateSize: - * @size: initial size of buffer - * - * routine to create an XML buffer. - * returns the new structure. - */ -xmlBufferPtr -xmlBufferCreateSize(size_t size) { - xmlBufferPtr ret; - - ret = (xmlBufferPtr) xmlMalloc(sizeof(xmlBuffer)); - if (ret == NULL) { - xmlTreeErrMemory("creating buffer"); - return(NULL); - } - ret->use = 0; - ret->alloc = xmlBufferAllocScheme; - ret->size = (size ? size+2 : 0); /* +1 for ending null */ - if (ret->size){ - ret->content = (xmlChar *) xmlMallocAtomic(ret->size * sizeof(xmlChar)); - if (ret->content == NULL) { - xmlTreeErrMemory("creating buffer"); - xmlFree(ret); - return(NULL); - } - ret->content[0] = 0; - } else - ret->content = NULL; - ret->contentIO = NULL; - return(ret); -} - -/** - * xmlBufferDetach: - * @buf: the buffer - * - * Remove the string contained in a buffer and gie it back to the - * caller. The buffer is reset to an empty content. - * This doesn't work with immutable buffers as they can't be reset. - * - * Returns the previous string contained by the buffer. - */ -xmlChar * -xmlBufferDetach(xmlBufferPtr buf) { - xmlChar *ret; - - if (buf == NULL) - return(NULL); - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) - return(NULL); - - ret = buf->content; - buf->content = NULL; - buf->size = 0; - buf->use = 0; - - return ret; -} - - -/** - * xmlBufferCreateStatic: - * @mem: the memory area - * @size: the size in byte - * - * routine to create an XML buffer from an immutable memory area. - * The area won't be modified nor copied, and is expected to be - * present until the end of the buffer lifetime. - * - * returns the new structure. - */ -xmlBufferPtr -xmlBufferCreateStatic(void *mem, size_t size) { - xmlBufferPtr ret; - - if ((mem == NULL) || (size == 0)) - return(NULL); - - ret = (xmlBufferPtr) xmlMalloc(sizeof(xmlBuffer)); - if (ret == NULL) { - xmlTreeErrMemory("creating buffer"); - return(NULL); - } - ret->use = size; - ret->size = size; - ret->alloc = XML_BUFFER_ALLOC_IMMUTABLE; - ret->content = (xmlChar *) mem; - return(ret); -} - -/** - * xmlBufferSetAllocationScheme: - * @buf: the buffer to tune - * @scheme: allocation scheme to use - * - * Sets the allocation scheme for this buffer - */ -void -xmlBufferSetAllocationScheme(xmlBufferPtr buf, - xmlBufferAllocationScheme scheme) { - if (buf == NULL) { -#ifdef DEBUG_BUFFER - xmlGenericError(xmlGenericErrorContext, - "xmlBufferSetAllocationScheme: buf == NULL\n"); -#endif - return; - } - if ((buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) || - (buf->alloc == XML_BUFFER_ALLOC_IO)) return; - if ((scheme == XML_BUFFER_ALLOC_DOUBLEIT) || - (scheme == XML_BUFFER_ALLOC_EXACT) || - (scheme == XML_BUFFER_ALLOC_HYBRID) || - (scheme == XML_BUFFER_ALLOC_IMMUTABLE)) - buf->alloc = scheme; -} - -/** - * xmlBufferFree: - * @buf: the buffer to free - * - * Frees an XML buffer. It frees both the content and the structure which - * encapsulate it. - */ -void -xmlBufferFree(xmlBufferPtr buf) { - if (buf == NULL) { -#ifdef DEBUG_BUFFER - xmlGenericError(xmlGenericErrorContext, - "xmlBufferFree: buf == NULL\n"); -#endif - return; - } - - if ((buf->alloc == XML_BUFFER_ALLOC_IO) && - (buf->contentIO != NULL)) { - xmlFree(buf->contentIO); - } else if ((buf->content != NULL) && - (buf->alloc != XML_BUFFER_ALLOC_IMMUTABLE)) { - xmlFree(buf->content); - } - xmlFree(buf); -} - -/** - * xmlBufferEmpty: - * @buf: the buffer - * - * empty a buffer. - */ -void -xmlBufferEmpty(xmlBufferPtr buf) { - if (buf == NULL) return; - if (buf->content == NULL) return; - buf->use = 0; - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) { - buf->content = BAD_CAST ""; - } else if ((buf->alloc == XML_BUFFER_ALLOC_IO) && - (buf->contentIO != NULL)) { - size_t start_buf = buf->content - buf->contentIO; - - buf->size += start_buf; - buf->content = buf->contentIO; - buf->content[0] = 0; - } else { - buf->content[0] = 0; - } -} - -/** - * xmlBufferShrink: - * @buf: the buffer to dump - * @len: the number of xmlChar to remove - * - * Remove the beginning of an XML buffer. - * - * Returns the number of #xmlChar removed, or -1 in case of failure. - */ -int -xmlBufferShrink(xmlBufferPtr buf, unsigned int len) { - if (buf == NULL) return(-1); - if (len == 0) return(0); - if (len > buf->use) return(-1); - - buf->use -= len; - if ((buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) || - ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL))) { - /* - * we just move the content pointer, but also make sure - * the perceived buffer size has shrinked accordingly - */ - buf->content += len; - buf->size -= len; - - /* - * sometimes though it maybe be better to really shrink - * on IO buffers - */ - if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) { - size_t start_buf = buf->content - buf->contentIO; - if (start_buf >= buf->size) { - memmove(buf->contentIO, &buf->content[0], buf->use); - buf->content = buf->contentIO; - buf->content[buf->use] = 0; - buf->size += start_buf; - } - } - } else { - memmove(buf->content, &buf->content[len], buf->use); - buf->content[buf->use] = 0; - } - return(len); -} - -/** - * xmlBufferGrow: - * @buf: the buffer - * @len: the minimum free size to allocate - * - * Grow the available space of an XML buffer. - * - * Returns the new available space or -1 in case of error - */ -int -xmlBufferGrow(xmlBufferPtr buf, unsigned int len) { - int size; - xmlChar *newbuf; - - if (buf == NULL) return(-1); - - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return(0); - if (len + buf->use < buf->size) return(0); - - /* - * Windows has a BIG problem on realloc timing, so we try to double - * the buffer size (if that's enough) (bug 146697) - * Apparently BSD too, and it's probably best for linux too - * On an embedded system this may be something to change - */ -#if 1 - if (buf->size > len) - size = buf->size * 2; - else - size = buf->use + len + 100; -#else - size = buf->use + len + 100; -#endif - - if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) { - size_t start_buf = buf->content - buf->contentIO; - - newbuf = (xmlChar *) xmlRealloc(buf->contentIO, start_buf + size); - if (newbuf == NULL) { - xmlTreeErrMemory("growing buffer"); - return(-1); - } - buf->contentIO = newbuf; - buf->content = newbuf + start_buf; - } else { - newbuf = (xmlChar *) xmlRealloc(buf->content, size); - if (newbuf == NULL) { - xmlTreeErrMemory("growing buffer"); - return(-1); - } - buf->content = newbuf; - } - buf->size = size; - return(buf->size - buf->use); -} - -/** - * xmlBufferDump: - * @file: the file output - * @buf: the buffer to dump - * - * Dumps an XML buffer to a FILE *. - * Returns the number of #xmlChar written - */ -int -xmlBufferDump(FILE *file, xmlBufferPtr buf) { - int ret; - - if (buf == NULL) { -#ifdef DEBUG_BUFFER - xmlGenericError(xmlGenericErrorContext, - "xmlBufferDump: buf == NULL\n"); -#endif - return(0); - } - if (buf->content == NULL) { -#ifdef DEBUG_BUFFER - xmlGenericError(xmlGenericErrorContext, - "xmlBufferDump: buf->content == NULL\n"); -#endif - return(0); - } - if (file == NULL) - file = stdout; - ret = fwrite(buf->content, sizeof(xmlChar), buf->use, file); - return(ret); -} - -/** - * xmlBufferContent: - * @buf: the buffer - * - * Function to extract the content of a buffer - * - * Returns the internal content - */ - -const xmlChar * -xmlBufferContent(const xmlBuffer *buf) -{ - if(!buf) - return NULL; - - return buf->content; -} - -/** - * xmlBufferLength: - * @buf: the buffer - * - * Function to get the length of a buffer - * - * Returns the length of data in the internal content - */ - -int -xmlBufferLength(const xmlBuffer *buf) -{ - if(!buf) - return 0; - - return buf->use; -} - -/** - * xmlBufferResize: - * @buf: the buffer to resize - * @size: the desired size - * - * Resize a buffer to accommodate minimum size of @size. - * - * Returns 0 in case of problems, 1 otherwise - */ -int -xmlBufferResize(xmlBufferPtr buf, unsigned int size) -{ - unsigned int newSize; - xmlChar* rebuf = NULL; - size_t start_buf; - - if (buf == NULL) - return(0); - - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return(0); - - /* Don't resize if we don't have to */ - if (size < buf->size) - return 1; - - /* figure out new size */ - switch (buf->alloc){ - case XML_BUFFER_ALLOC_IO: - case XML_BUFFER_ALLOC_DOUBLEIT: - /*take care of empty case*/ - newSize = (buf->size ? buf->size*2 : size + 10); - while (size > newSize) { - if (newSize > UINT_MAX / 2) { - xmlTreeErrMemory("growing buffer"); - return 0; - } - newSize *= 2; - } - break; - case XML_BUFFER_ALLOC_EXACT: - newSize = size+10; - break; - case XML_BUFFER_ALLOC_HYBRID: - if (buf->use < BASE_BUFFER_SIZE) - newSize = size; - else { - newSize = buf->size * 2; - while (size > newSize) { - if (newSize > UINT_MAX / 2) { - xmlTreeErrMemory("growing buffer"); - return 0; - } - newSize *= 2; - } - } - break; - - default: - newSize = size+10; - break; - } - - if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) { - start_buf = buf->content - buf->contentIO; - - if (start_buf > newSize) { - /* move data back to start */ - memmove(buf->contentIO, buf->content, buf->use); - buf->content = buf->contentIO; - buf->content[buf->use] = 0; - buf->size += start_buf; - } else { - rebuf = (xmlChar *) xmlRealloc(buf->contentIO, start_buf + newSize); - if (rebuf == NULL) { - xmlTreeErrMemory("growing buffer"); - return 0; - } - buf->contentIO = rebuf; - buf->content = rebuf + start_buf; - } - } else { - if (buf->content == NULL) { - rebuf = (xmlChar *) xmlMallocAtomic(newSize); - } else if (buf->size - buf->use < 100) { - rebuf = (xmlChar *) xmlRealloc(buf->content, newSize); - } else { - /* - * if we are reallocating a buffer far from being full, it's - * better to make a new allocation and copy only the used range - * and free the old one. - */ - rebuf = (xmlChar *) xmlMallocAtomic(newSize); - if (rebuf != NULL) { - memcpy(rebuf, buf->content, buf->use); - xmlFree(buf->content); - rebuf[buf->use] = 0; - } - } - if (rebuf == NULL) { - xmlTreeErrMemory("growing buffer"); - return 0; - } - buf->content = rebuf; - } - buf->size = newSize; - - return 1; -} - -/** - * xmlBufferAdd: - * @buf: the buffer to dump - * @str: the #xmlChar string - * @len: the number of #xmlChar to add - * - * Add a string range to an XML buffer. if len == -1, the length of - * str is recomputed. - * - * Returns 0 successful, a positive error code number otherwise - * and -1 in case of internal or API error. - */ -int -xmlBufferAdd(xmlBufferPtr buf, const xmlChar *str, int len) { - unsigned int needSize; - - if ((str == NULL) || (buf == NULL)) { - return -1; - } - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return -1; - if (len < -1) { -#ifdef DEBUG_BUFFER - xmlGenericError(xmlGenericErrorContext, - "xmlBufferAdd: len < 0\n"); -#endif - return -1; - } - if (len == 0) return 0; - - if (len < 0) - len = xmlStrlen(str); - - if (len < 0) return -1; - if (len == 0) return 0; - - needSize = buf->use + len + 2; - if (needSize > buf->size){ - if (!xmlBufferResize(buf, needSize)){ - xmlTreeErrMemory("growing buffer"); - return XML_ERR_NO_MEMORY; - } - } - - memmove(&buf->content[buf->use], str, len*sizeof(xmlChar)); - buf->use += len; - buf->content[buf->use] = 0; - return 0; -} - -/** - * xmlBufferAddHead: - * @buf: the buffer - * @str: the #xmlChar string - * @len: the number of #xmlChar to add - * - * Add a string range to the beginning of an XML buffer. - * if len == -1, the length of @str is recomputed. - * - * Returns 0 successful, a positive error code number otherwise - * and -1 in case of internal or API error. - */ -int -xmlBufferAddHead(xmlBufferPtr buf, const xmlChar *str, int len) { - unsigned int needSize; - - if (buf == NULL) - return(-1); - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return -1; - if (str == NULL) { -#ifdef DEBUG_BUFFER - xmlGenericError(xmlGenericErrorContext, - "xmlBufferAddHead: str == NULL\n"); -#endif - return -1; - } - if (len < -1) { -#ifdef DEBUG_BUFFER - xmlGenericError(xmlGenericErrorContext, - "xmlBufferAddHead: len < 0\n"); -#endif - return -1; - } - if (len == 0) return 0; - - if (len < 0) - len = xmlStrlen(str); - - if (len <= 0) return -1; - - if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) { - size_t start_buf = buf->content - buf->contentIO; - - if (start_buf > (unsigned int) len) { - /* - * We can add it in the space previously shrinked - */ - buf->content -= len; - memmove(&buf->content[0], str, len); - buf->use += len; - buf->size += len; - return(0); - } - } - needSize = buf->use + len + 2; - if (needSize > buf->size){ - if (!xmlBufferResize(buf, needSize)){ - xmlTreeErrMemory("growing buffer"); - return XML_ERR_NO_MEMORY; - } - } - - memmove(&buf->content[len], &buf->content[0], buf->use); - memmove(&buf->content[0], str, len); - buf->use += len; - buf->content[buf->use] = 0; - return 0; -} - -/** - * xmlBufferCat: - * @buf: the buffer to add to - * @str: the #xmlChar string - * - * Append a zero terminated string to an XML buffer. - * - * Returns 0 successful, a positive error code number otherwise - * and -1 in case of internal or API error. - */ -int -xmlBufferCat(xmlBufferPtr buf, const xmlChar *str) { - if (buf == NULL) - return(-1); - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return -1; - if (str == NULL) return -1; - return xmlBufferAdd(buf, str, -1); -} - -/** - * xmlBufferCCat: - * @buf: the buffer to dump - * @str: the C char string - * - * Append a zero terminated C string to an XML buffer. - * - * Returns 0 successful, a positive error code number otherwise - * and -1 in case of internal or API error. - */ -int -xmlBufferCCat(xmlBufferPtr buf, const char *str) { - const char *cur; - - if (buf == NULL) - return(-1); - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return -1; - if (str == NULL) { -#ifdef DEBUG_BUFFER - xmlGenericError(xmlGenericErrorContext, - "xmlBufferCCat: str == NULL\n"); -#endif - return -1; - } - for (cur = str;*cur != 0;cur++) { - if (buf->use + 10 >= buf->size) { - if (!xmlBufferResize(buf, buf->use+10)){ - xmlTreeErrMemory("growing buffer"); - return XML_ERR_NO_MEMORY; - } - } - buf->content[buf->use++] = *cur; - } - buf->content[buf->use] = 0; - return 0; -} - -/** - * xmlBufferWriteCHAR: - * @buf: the XML buffer - * @string: the string to add - * - * routine which manages and grows an output buffer. This one adds - * xmlChars at the end of the buffer. - */ -void -xmlBufferWriteCHAR(xmlBufferPtr buf, const xmlChar *string) { - if (buf == NULL) - return; - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return; - xmlBufferCat(buf, string); -} - -/** - * xmlBufferWriteChar: - * @buf: the XML buffer output - * @string: the string to add - * - * routine which manage and grows an output buffer. This one add - * C chars at the end of the array. - */ -void -xmlBufferWriteChar(xmlBufferPtr buf, const char *string) { - if (buf == NULL) - return; - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return; - xmlBufferCCat(buf, string); -} - - -/** - * xmlBufferWriteQuotedString: - * @buf: the XML buffer output - * @string: the string to add - * - * routine which manage and grows an output buffer. This one writes - * a quoted or double quoted #xmlChar string, checking first if it holds - * quote or double-quotes internally - */ -void -xmlBufferWriteQuotedString(xmlBufferPtr buf, const xmlChar *string) { - const xmlChar *cur, *base; - if (buf == NULL) - return; - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return; - if (xmlStrchr(string, '\"')) { - if (xmlStrchr(string, '\'')) { -#ifdef DEBUG_BUFFER - xmlGenericError(xmlGenericErrorContext, - "xmlBufferWriteQuotedString: string contains quote and double-quotes !\n"); -#endif - xmlBufferCCat(buf, "\""); - base = cur = string; - while(*cur != 0){ - if(*cur == '"'){ - if (base != cur) - xmlBufferAdd(buf, base, cur - base); - xmlBufferAdd(buf, BAD_CAST """, 6); - cur++; - base = cur; - } - else { - cur++; - } - } - if (base != cur) - xmlBufferAdd(buf, base, cur - base); - xmlBufferCCat(buf, "\""); - } - else{ - xmlBufferCCat(buf, "\'"); - xmlBufferCat(buf, string); - xmlBufferCCat(buf, "\'"); - } - } else { - xmlBufferCCat(buf, "\""); - xmlBufferCat(buf, string); - xmlBufferCCat(buf, "\""); - } -} - - -/** - * xmlGetDocCompressMode: - * @doc: the document - * - * get the compression ratio for a document, ZLIB based - * Returns 0 (uncompressed) to 9 (max compression) - */ -int -xmlGetDocCompressMode (const xmlDoc *doc) { - if (doc == NULL) return(-1); - return(doc->compression); -} - -/** - * xmlSetDocCompressMode: - * @doc: the document - * @mode: the compression ratio - * - * set the compression ratio for a document, ZLIB based - * Correct values: 0 (uncompressed) to 9 (max compression) - */ -void -xmlSetDocCompressMode (xmlDocPtr doc, int mode) { - if (doc == NULL) return; - if (mode < 0) doc->compression = 0; - else if (mode > 9) doc->compression = 9; - else doc->compression = mode; -} - -/** - * xmlGetCompressMode: - * - * get the default compression mode used, ZLIB based. - * Returns 0 (uncompressed) to 9 (max compression) - */ -int -xmlGetCompressMode(void) -{ - return (xmlCompressMode); -} - -/** - * xmlSetCompressMode: - * @mode: the compression ratio - * - * set the default compression mode used, ZLIB based - * Correct values: 0 (uncompressed) to 9 (max compression) - */ -void -xmlSetCompressMode(int mode) { - if (mode < 0) xmlCompressMode = 0; - else if (mode > 9) xmlCompressMode = 9; - else xmlCompressMode = mode; -} - -#define XML_TREE_NSMAP_PARENT -1 -#define XML_TREE_NSMAP_XML -2 -#define XML_TREE_NSMAP_DOC -3 -#define XML_TREE_NSMAP_CUSTOM -4 - -typedef struct xmlNsMapItem *xmlNsMapItemPtr; -struct xmlNsMapItem { - xmlNsMapItemPtr next; - xmlNsMapItemPtr prev; - xmlNsPtr oldNs; /* old ns decl reference */ - xmlNsPtr newNs; /* new ns decl reference */ - int shadowDepth; /* Shadowed at this depth */ - /* - * depth: - * >= 0 == @node's ns-decls - * -1 == @parent's ns-decls - * -2 == the doc->oldNs XML ns-decl - * -3 == the doc->oldNs storage ns-decls - * -4 == ns-decls provided via custom ns-handling - */ - int depth; -}; - -typedef struct xmlNsMap *xmlNsMapPtr; -struct xmlNsMap { - xmlNsMapItemPtr first; - xmlNsMapItemPtr last; - xmlNsMapItemPtr pool; -}; - -#define XML_NSMAP_NOTEMPTY(m) (((m) != NULL) && ((m)->first != NULL)) -#define XML_NSMAP_FOREACH(m, i) for (i = (m)->first; i != NULL; i = (i)->next) -#define XML_NSMAP_POP(m, i) \ - i = (m)->last; \ - (m)->last = (i)->prev; \ - if ((m)->last == NULL) \ - (m)->first = NULL; \ - else \ - (m)->last->next = NULL; \ - (i)->next = (m)->pool; \ - (m)->pool = i; - -/* -* xmlDOMWrapNsMapFree: -* @map: the ns-map -* -* Frees the ns-map -*/ -static void -xmlDOMWrapNsMapFree(xmlNsMapPtr nsmap) -{ - xmlNsMapItemPtr cur, tmp; - - if (nsmap == NULL) - return; - cur = nsmap->pool; - while (cur != NULL) { - tmp = cur; - cur = cur->next; - xmlFree(tmp); - } - cur = nsmap->first; - while (cur != NULL) { - tmp = cur; - cur = cur->next; - xmlFree(tmp); - } - xmlFree(nsmap); -} - -/* -* xmlDOMWrapNsMapAddItem: -* @map: the ns-map -* @oldNs: the old ns-struct -* @newNs: the new ns-struct -* @depth: depth and ns-kind information -* -* Adds an ns-mapping item. -*/ -static xmlNsMapItemPtr -xmlDOMWrapNsMapAddItem(xmlNsMapPtr *nsmap, int position, - xmlNsPtr oldNs, xmlNsPtr newNs, int depth) -{ - xmlNsMapItemPtr ret; - xmlNsMapPtr map; - - if (nsmap == NULL) - return(NULL); - if ((position != -1) && (position != 0)) - return(NULL); - map = *nsmap; - - if (map == NULL) { - /* - * Create the ns-map. - */ - map = (xmlNsMapPtr) xmlMalloc(sizeof(struct xmlNsMap)); - if (map == NULL) { - xmlTreeErrMemory("allocating namespace map"); - return (NULL); - } - memset(map, 0, sizeof(struct xmlNsMap)); - *nsmap = map; - } - - if (map->pool != NULL) { - /* - * Reuse an item from the pool. - */ - ret = map->pool; - map->pool = ret->next; - memset(ret, 0, sizeof(struct xmlNsMapItem)); - } else { - /* - * Create a new item. - */ - ret = (xmlNsMapItemPtr) xmlMalloc(sizeof(struct xmlNsMapItem)); - if (ret == NULL) { - xmlTreeErrMemory("allocating namespace map item"); - return (NULL); - } - memset(ret, 0, sizeof(struct xmlNsMapItem)); - } - - if (map->first == NULL) { - /* - * First ever. - */ - map->first = ret; - map->last = ret; - } else if (position == -1) { - /* - * Append. - */ - ret->prev = map->last; - map->last->next = ret; - map->last = ret; - } else if (position == 0) { - /* - * Set on first position. - */ - map->first->prev = ret; - ret->next = map->first; - map->first = ret; - } - - ret->oldNs = oldNs; - ret->newNs = newNs; - ret->shadowDepth = -1; - ret->depth = depth; - return (ret); -} - -/* -* xmlDOMWrapStoreNs: -* @doc: the doc -* @nsName: the namespace name -* @prefix: the prefix -* -* Creates or reuses an xmlNs struct on doc->oldNs with -* the given prefix and namespace name. -* -* Returns the aquired ns struct or NULL in case of an API -* or internal error. -*/ -static xmlNsPtr -xmlDOMWrapStoreNs(xmlDocPtr doc, - const xmlChar *nsName, - const xmlChar *prefix) -{ - xmlNsPtr ns; - - if (doc == NULL) - return (NULL); - ns = xmlTreeEnsureXMLDecl(doc); - if (ns == NULL) - return (NULL); - if (ns->next != NULL) { - /* Reuse. */ - ns = ns->next; - while (ns != NULL) { - if (((ns->prefix == prefix) || - xmlStrEqual(ns->prefix, prefix)) && - xmlStrEqual(ns->href, nsName)) { - return (ns); - } - if (ns->next == NULL) - break; - ns = ns->next; - } - } - /* Create. */ - if (ns != NULL) { - ns->next = xmlNewNs(NULL, nsName, prefix); - return (ns->next); - } - return(NULL); -} - -/* -* xmlDOMWrapNewCtxt: -* -* Allocates and initializes a new DOM-wrapper context. -* -* Returns the xmlDOMWrapCtxtPtr or NULL in case of an internal error. -*/ -xmlDOMWrapCtxtPtr -xmlDOMWrapNewCtxt(void) -{ - xmlDOMWrapCtxtPtr ret; - - ret = xmlMalloc(sizeof(xmlDOMWrapCtxt)); - if (ret == NULL) { - xmlTreeErrMemory("allocating DOM-wrapper context"); - return (NULL); - } - memset(ret, 0, sizeof(xmlDOMWrapCtxt)); - return (ret); -} - -/* -* xmlDOMWrapFreeCtxt: -* @ctxt: the DOM-wrapper context -* -* Frees the DOM-wrapper context. -*/ -void -xmlDOMWrapFreeCtxt(xmlDOMWrapCtxtPtr ctxt) -{ - if (ctxt == NULL) - return; - if (ctxt->namespaceMap != NULL) - xmlDOMWrapNsMapFree((xmlNsMapPtr) ctxt->namespaceMap); - /* - * TODO: Store the namespace map in the context. - */ - xmlFree(ctxt); -} - -/* -* xmlTreeLookupNsListByPrefix: -* @nsList: a list of ns-structs -* @prefix: the searched prefix -* -* Searches for a ns-decl with the given prefix in @nsList. -* -* Returns the ns-decl if found, NULL if not found and on -* API errors. -*/ -static xmlNsPtr -xmlTreeNSListLookupByPrefix(xmlNsPtr nsList, const xmlChar *prefix) -{ - if (nsList == NULL) - return (NULL); - { - xmlNsPtr ns; - ns = nsList; - do { - if ((prefix == ns->prefix) || - xmlStrEqual(prefix, ns->prefix)) { - return (ns); - } - ns = ns->next; - } while (ns != NULL); - } - return (NULL); -} - -/* -* -* xmlDOMWrapNSNormGatherInScopeNs: -* @map: the namespace map -* @node: the node to start with -* -* Puts in-scope namespaces into the ns-map. -* -* Returns 0 on success, -1 on API or internal errors. -*/ -static int -xmlDOMWrapNSNormGatherInScopeNs(xmlNsMapPtr *map, - xmlNodePtr node) -{ - xmlNodePtr cur; - xmlNsPtr ns; - xmlNsMapItemPtr mi; - int shadowed; - - if ((map == NULL) || (*map != NULL)) - return (-1); - if ((node == NULL) || (node->type == XML_NAMESPACE_DECL)) - return (-1); - /* - * Get in-scope ns-decls of @parent. - */ - cur = node; - while ((cur != NULL) && (cur != (xmlNodePtr) cur->doc)) { - if (cur->type == XML_ELEMENT_NODE) { - if (cur->nsDef != NULL) { - ns = cur->nsDef; - do { - shadowed = 0; - if (XML_NSMAP_NOTEMPTY(*map)) { - /* - * Skip shadowed prefixes. - */ - XML_NSMAP_FOREACH(*map, mi) { - if ((ns->prefix == mi->newNs->prefix) || - xmlStrEqual(ns->prefix, mi->newNs->prefix)) { - shadowed = 1; - break; - } - } - } - /* - * Insert mapping. - */ - mi = xmlDOMWrapNsMapAddItem(map, 0, NULL, - ns, XML_TREE_NSMAP_PARENT); - if (mi == NULL) - return (-1); - if (shadowed) - mi->shadowDepth = 0; - ns = ns->next; - } while (ns != NULL); - } - } - cur = cur->parent; - } - return (0); -} - -/* -* XML_TREE_ADOPT_STR: If we have a dest-dict, put @str in the dict; -* otherwise copy it, when it was in the source-dict. -*/ -#define XML_TREE_ADOPT_STR(str) \ - if (adoptStr && (str != NULL)) { \ - if (destDoc->dict) { \ - const xmlChar *old = str; \ - str = xmlDictLookup(destDoc->dict, str, -1); \ - if ((sourceDoc == NULL) || (sourceDoc->dict == NULL) || \ - (!xmlDictOwns(sourceDoc->dict, old))) \ - xmlFree((char *)old); \ - } else if ((sourceDoc) && (sourceDoc->dict) && \ - xmlDictOwns(sourceDoc->dict, str)) { \ - str = BAD_CAST xmlStrdup(str); \ - } \ - } - -/* -* XML_TREE_ADOPT_STR_2: If @str was in the source-dict, then -* put it in dest-dict or copy it. -*/ -#define XML_TREE_ADOPT_STR_2(str) \ - if (adoptStr && (str != NULL) && (sourceDoc != NULL) && \ - (sourceDoc->dict != NULL) && \ - xmlDictOwns(sourceDoc->dict, cur->content)) { \ - if (destDoc->dict) \ - cur->content = (xmlChar *) \ - xmlDictLookup(destDoc->dict, cur->content, -1); \ - else \ - cur->content = xmlStrdup(BAD_CAST cur->content); \ - } - -/* -* xmlDOMWrapNSNormAddNsMapItem2: -* -* For internal use. Adds a ns-decl mapping. -* -* Returns 0 on success, -1 on internal errors. -*/ -static int -xmlDOMWrapNSNormAddNsMapItem2(xmlNsPtr **list, int *size, int *number, - xmlNsPtr oldNs, xmlNsPtr newNs) -{ - if (*list == NULL) { - *list = (xmlNsPtr *) xmlMalloc(6 * sizeof(xmlNsPtr)); - if (*list == NULL) { - xmlTreeErrMemory("alloc ns map item"); - return(-1); - } - *size = 3; - *number = 0; - } else if ((*number) >= (*size)) { - *size *= 2; - *list = (xmlNsPtr *) xmlRealloc(*list, - (*size) * 2 * sizeof(xmlNsPtr)); - if (*list == NULL) { - xmlTreeErrMemory("realloc ns map item"); - return(-1); - } - } - (*list)[2 * (*number)] = oldNs; - (*list)[2 * (*number) +1] = newNs; - (*number)++; - return (0); -} - -/* -* xmlDOMWrapRemoveNode: -* @ctxt: a DOM wrapper context -* @doc: the doc -* @node: the node to be removed. -* @options: set of options, unused at the moment -* -* Unlinks the given node from its owner. -* This will substitute ns-references to node->nsDef for -* ns-references to doc->oldNs, thus ensuring the removed -* branch to be autark wrt ns-references. -* -* NOTE: This function was not intensively tested. -* -* Returns 0 on success, 1 if the node is not supported, -* -1 on API and internal errors. -*/ -int -xmlDOMWrapRemoveNode(xmlDOMWrapCtxtPtr ctxt, xmlDocPtr doc, - xmlNodePtr node, int options ATTRIBUTE_UNUSED) -{ - xmlNsPtr *list = NULL; - int sizeList, nbList, i, j; - xmlNsPtr ns; - - if ((node == NULL) || (doc == NULL) || (node->doc != doc)) - return (-1); - - /* TODO: 0 or -1 ? */ - if (node->parent == NULL) - return (0); - - switch (node->type) { - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_ENTITY_REF_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - xmlUnlinkNode(node); - return (0); - case XML_ELEMENT_NODE: - case XML_ATTRIBUTE_NODE: - break; - default: - return (1); - } - xmlUnlinkNode(node); - /* - * Save out-of-scope ns-references in doc->oldNs. - */ - do { - switch (node->type) { - case XML_ELEMENT_NODE: - if ((ctxt == NULL) && (node->nsDef != NULL)) { - ns = node->nsDef; - do { - if (xmlDOMWrapNSNormAddNsMapItem2(&list, &sizeList, - &nbList, ns, ns) == -1) - goto internal_error; - ns = ns->next; - } while (ns != NULL); - } - /* No break on purpose. */ - case XML_ATTRIBUTE_NODE: - if (node->ns != NULL) { - /* - * Find a mapping. - */ - if (list != NULL) { - for (i = 0, j = 0; i < nbList; i++, j += 2) { - if (node->ns == list[j]) { - node->ns = list[++j]; - goto next_node; - } - } - } - ns = NULL; - if (ctxt != NULL) { - /* - * User defined. - */ - } else { - /* - * Add to doc's oldNs. - */ - ns = xmlDOMWrapStoreNs(doc, node->ns->href, - node->ns->prefix); - if (ns == NULL) - goto internal_error; - } - if (ns != NULL) { - /* - * Add mapping. - */ - if (xmlDOMWrapNSNormAddNsMapItem2(&list, &sizeList, - &nbList, node->ns, ns) == -1) - goto internal_error; - } - node->ns = ns; - } - if ((node->type == XML_ELEMENT_NODE) && - (node->properties != NULL)) { - node = (xmlNodePtr) node->properties; - continue; - } - break; - default: - goto next_sibling; - } -next_node: - if ((node->type == XML_ELEMENT_NODE) && - (node->children != NULL)) { - node = node->children; - continue; - } -next_sibling: - if (node == NULL) - break; - if (node->next != NULL) - node = node->next; - else { - node = node->parent; - goto next_sibling; - } - } while (node != NULL); - - if (list != NULL) - xmlFree(list); - return (0); - -internal_error: - if (list != NULL) - xmlFree(list); - return (-1); -} - -/* -* xmlSearchNsByNamespaceStrict: -* @doc: the document -* @node: the start node -* @nsName: the searched namespace name -* @retNs: the resulting ns-decl -* @prefixed: if the found ns-decl must have a prefix (for attributes) -* -* Dynamically searches for a ns-declaration which matches -* the given @nsName in the ancestor-or-self axis of @node. -* -* Returns 1 if a ns-decl was found, 0 if not and -1 on API -* and internal errors. -*/ -static int -xmlSearchNsByNamespaceStrict(xmlDocPtr doc, xmlNodePtr node, - const xmlChar* nsName, - xmlNsPtr *retNs, int prefixed) -{ - xmlNodePtr cur, prev = NULL, out = NULL; - xmlNsPtr ns, prevns; - - if ((doc == NULL) || (nsName == NULL) || (retNs == NULL)) - return (-1); - if ((node == NULL) || (node->type == XML_NAMESPACE_DECL)) - return(-1); - - *retNs = NULL; - if (xmlStrEqual(nsName, XML_XML_NAMESPACE)) { - *retNs = xmlTreeEnsureXMLDecl(doc); - if (*retNs == NULL) - return (-1); - return (1); - } - cur = node; - do { - if (cur->type == XML_ELEMENT_NODE) { - if (cur->nsDef != NULL) { - for (ns = cur->nsDef; ns != NULL; ns = ns->next) { - if (prefixed && (ns->prefix == NULL)) - continue; - if (prev != NULL) { - /* - * Check the last level of ns-decls for a - * shadowing prefix. - */ - prevns = prev->nsDef; - do { - if ((prevns->prefix == ns->prefix) || - ((prevns->prefix != NULL) && - (ns->prefix != NULL) && - xmlStrEqual(prevns->prefix, ns->prefix))) { - /* - * Shadowed. - */ - break; - } - prevns = prevns->next; - } while (prevns != NULL); - if (prevns != NULL) - continue; - } - /* - * Ns-name comparison. - */ - if ((nsName == ns->href) || - xmlStrEqual(nsName, ns->href)) { - /* - * At this point the prefix can only be shadowed, - * if we are the the (at least) 3rd level of - * ns-decls. - */ - if (out) { - int ret; - - ret = xmlNsInScope(doc, node, prev, ns->prefix); - if (ret < 0) - return (-1); - /* - * TODO: Should we try to find a matching ns-name - * only once? This here keeps on searching. - * I think we should try further since, there might - * be an other matching ns-decl with an unshadowed - * prefix. - */ - if (! ret) - continue; - } - *retNs = ns; - return (1); - } - } - out = prev; - prev = cur; - } - } else if ((cur->type == XML_ENTITY_NODE) || - (cur->type == XML_ENTITY_DECL)) - return (0); - cur = cur->parent; - } while ((cur != NULL) && (cur->doc != (xmlDocPtr) cur)); - return (0); -} - -/* -* xmlSearchNsByPrefixStrict: -* @doc: the document -* @node: the start node -* @prefix: the searched namespace prefix -* @retNs: the resulting ns-decl -* -* Dynamically searches for a ns-declaration which matches -* the given @nsName in the ancestor-or-self axis of @node. -* -* Returns 1 if a ns-decl was found, 0 if not and -1 on API -* and internal errors. -*/ -static int -xmlSearchNsByPrefixStrict(xmlDocPtr doc, xmlNodePtr node, - const xmlChar* prefix, - xmlNsPtr *retNs) -{ - xmlNodePtr cur; - xmlNsPtr ns; - - if ((doc == NULL) || (node == NULL) || (node->type == XML_NAMESPACE_DECL)) - return(-1); - - if (retNs) - *retNs = NULL; - if (IS_STR_XML(prefix)) { - if (retNs) { - *retNs = xmlTreeEnsureXMLDecl(doc); - if (*retNs == NULL) - return (-1); - } - return (1); - } - cur = node; - do { - if (cur->type == XML_ELEMENT_NODE) { - if (cur->nsDef != NULL) { - ns = cur->nsDef; - do { - if ((prefix == ns->prefix) || - xmlStrEqual(prefix, ns->prefix)) - { - /* - * Disabled namespaces, e.g. xmlns:abc="". - */ - if (ns->href == NULL) - return(0); - if (retNs) - *retNs = ns; - return (1); - } - ns = ns->next; - } while (ns != NULL); - } - } else if ((cur->type == XML_ENTITY_NODE) || - (cur->type == XML_ENTITY_DECL)) - return (0); - cur = cur->parent; - } while ((cur != NULL) && (cur->doc != (xmlDocPtr) cur)); - return (0); -} - -/* -* xmlDOMWrapNSNormDeclareNsForced: -* @doc: the doc -* @elem: the element-node to declare on -* @nsName: the namespace-name of the ns-decl -* @prefix: the preferred prefix of the ns-decl -* @checkShadow: ensure that the new ns-decl doesn't shadow ancestor ns-decls -* -* Declares a new namespace on @elem. It tries to use the -* given @prefix; if a ns-decl with the given prefix is already existent -* on @elem, it will generate an other prefix. -* -* Returns 1 if a ns-decl was found, 0 if not and -1 on API -* and internal errors. -*/ -static xmlNsPtr -xmlDOMWrapNSNormDeclareNsForced(xmlDocPtr doc, - xmlNodePtr elem, - const xmlChar *nsName, - const xmlChar *prefix, - int checkShadow) -{ - - xmlNsPtr ret; - char buf[50]; - const xmlChar *pref; - int counter = 0; - - if ((doc == NULL) || (elem == NULL) || (elem->type != XML_ELEMENT_NODE)) - return(NULL); - /* - * Create a ns-decl on @anchor. - */ - pref = prefix; - while (1) { - /* - * Lookup whether the prefix is unused in elem's ns-decls. - */ - if ((elem->nsDef != NULL) && - (xmlTreeNSListLookupByPrefix(elem->nsDef, pref) != NULL)) - goto ns_next_prefix; - if (checkShadow && elem->parent && - ((xmlNodePtr) elem->parent->doc != elem->parent)) { - /* - * Does it shadow ancestor ns-decls? - */ - if (xmlSearchNsByPrefixStrict(doc, elem->parent, pref, NULL) == 1) - goto ns_next_prefix; - } - ret = xmlNewNs(NULL, nsName, pref); - if (ret == NULL) - return (NULL); - if (elem->nsDef == NULL) - elem->nsDef = ret; - else { - xmlNsPtr ns2 = elem->nsDef; - while (ns2->next != NULL) - ns2 = ns2->next; - ns2->next = ret; - } - return (ret); -ns_next_prefix: - counter++; - if (counter > 1000) - return (NULL); - if (prefix == NULL) { - snprintf((char *) buf, sizeof(buf), - "ns_%d", counter); - } else - snprintf((char *) buf, sizeof(buf), - "%.30s_%d", (char *)prefix, counter); - pref = BAD_CAST buf; - } -} - -/* -* xmlDOMWrapNSNormAquireNormalizedNs: -* @doc: the doc -* @elem: the element-node to declare namespaces on -* @ns: the ns-struct to use for the search -* @retNs: the found/created ns-struct -* @nsMap: the ns-map -* @depth: the current tree depth -* @ancestorsOnly: search in ancestor ns-decls only -* @prefixed: if the searched ns-decl must have a prefix (for attributes) -* -* Searches for a matching ns-name in the ns-decls of @nsMap, if not -* found it will either declare it on @elem, or store it in doc->oldNs. -* If a new ns-decl needs to be declared on @elem, it tries to use the -* @ns->prefix for it, if this prefix is already in use on @elem, it will -* change the prefix or the new ns-decl. -* -* Returns 0 if succeeded, -1 otherwise and on API/internal errors. -*/ -static int -xmlDOMWrapNSNormAquireNormalizedNs(xmlDocPtr doc, - xmlNodePtr elem, - xmlNsPtr ns, - xmlNsPtr *retNs, - xmlNsMapPtr *nsMap, - - int depth, - int ancestorsOnly, - int prefixed) -{ - xmlNsMapItemPtr mi; - - if ((doc == NULL) || (ns == NULL) || (retNs == NULL) || - (nsMap == NULL)) - return (-1); - - *retNs = NULL; - /* - * Handle XML namespace. - */ - if (IS_STR_XML(ns->prefix)) { - /* - * Insert XML namespace mapping. - */ - *retNs = xmlTreeEnsureXMLDecl(doc); - if (*retNs == NULL) - return (-1); - return (0); - } - /* - * If the search should be done in ancestors only and no - * @elem (the first ancestor) was specified, then skip the search. - */ - if ((XML_NSMAP_NOTEMPTY(*nsMap)) && - (! (ancestorsOnly && (elem == NULL)))) - { - /* - * Try to find an equal ns-name in in-scope ns-decls. - */ - XML_NSMAP_FOREACH(*nsMap, mi) { - if ((mi->depth >= XML_TREE_NSMAP_PARENT) && - /* - * ancestorsOnly: This should be turned on to gain speed, - * if one knows that the branch itself was already - * ns-wellformed and no stale references existed. - * I.e. it searches in the ancestor axis only. - */ - ((! ancestorsOnly) || (mi->depth == XML_TREE_NSMAP_PARENT)) && - /* Skip shadowed prefixes. */ - (mi->shadowDepth == -1) && - /* Skip xmlns="" or xmlns:foo="". */ - ((mi->newNs->href != NULL) && - (mi->newNs->href[0] != 0)) && - /* Ensure a prefix if wanted. */ - ((! prefixed) || (mi->newNs->prefix != NULL)) && - /* Equal ns name */ - ((mi->newNs->href == ns->href) || - xmlStrEqual(mi->newNs->href, ns->href))) { - /* Set the mapping. */ - mi->oldNs = ns; - *retNs = mi->newNs; - return (0); - } - } - } - /* - * No luck, the namespace is out of scope or shadowed. - */ - if (elem == NULL) { - xmlNsPtr tmpns; - - /* - * Store ns-decls in "oldNs" of the document-node. - */ - tmpns = xmlDOMWrapStoreNs(doc, ns->href, ns->prefix); - if (tmpns == NULL) - return (-1); - /* - * Insert mapping. - */ - if (xmlDOMWrapNsMapAddItem(nsMap, -1, ns, - tmpns, XML_TREE_NSMAP_DOC) == NULL) { - xmlFreeNs(tmpns); - return (-1); - } - *retNs = tmpns; - } else { - xmlNsPtr tmpns; - - tmpns = xmlDOMWrapNSNormDeclareNsForced(doc, elem, ns->href, - ns->prefix, 0); - if (tmpns == NULL) - return (-1); - - if (*nsMap != NULL) { - /* - * Does it shadow ancestor ns-decls? - */ - XML_NSMAP_FOREACH(*nsMap, mi) { - if ((mi->depth < depth) && - (mi->shadowDepth == -1) && - ((ns->prefix == mi->newNs->prefix) || - xmlStrEqual(ns->prefix, mi->newNs->prefix))) { - /* - * Shadows. - */ - mi->shadowDepth = depth; - break; - } - } - } - if (xmlDOMWrapNsMapAddItem(nsMap, -1, ns, tmpns, depth) == NULL) { - xmlFreeNs(tmpns); - return (-1); - } - *retNs = tmpns; - } - return (0); -} - -typedef enum { - XML_DOM_RECONNS_REMOVEREDUND = 1<<0 -} xmlDOMReconcileNSOptions; - -/* -* xmlDOMWrapReconcileNamespaces: -* @ctxt: DOM wrapper context, unused at the moment -* @elem: the element-node -* @options: option flags -* -* Ensures that ns-references point to ns-decls hold on element-nodes. -* Ensures that the tree is namespace wellformed by creating additional -* ns-decls where needed. Note that, since prefixes of already existent -* ns-decls can be shadowed by this process, it could break QNames in -* attribute values or element content. -* -* NOTE: This function was not intensively tested. -* -* Returns 0 if succeeded, -1 otherwise and on API/internal errors. -*/ - -int -xmlDOMWrapReconcileNamespaces(xmlDOMWrapCtxtPtr ctxt ATTRIBUTE_UNUSED, - xmlNodePtr elem, - int options) -{ - int depth = -1, adoptns = 0, parnsdone = 0; - xmlNsPtr ns, prevns; - xmlDocPtr doc; - xmlNodePtr cur, curElem = NULL; - xmlNsMapPtr nsMap = NULL; - xmlNsMapItemPtr /* topmi = NULL, */ mi; - /* @ancestorsOnly should be set by an option flag. */ - int ancestorsOnly = 0; - int optRemoveRedundantNS = - ((xmlDOMReconcileNSOptions) options & XML_DOM_RECONNS_REMOVEREDUND) ? 1 : 0; - xmlNsPtr *listRedund = NULL; - int sizeRedund = 0, nbRedund = 0, ret, i, j; - - if ((elem == NULL) || (elem->doc == NULL) || - (elem->type != XML_ELEMENT_NODE)) - return (-1); - - doc = elem->doc; - cur = elem; - do { - switch (cur->type) { - case XML_ELEMENT_NODE: - adoptns = 1; - curElem = cur; - depth++; - /* - * Namespace declarations. - */ - if (cur->nsDef != NULL) { - prevns = NULL; - ns = cur->nsDef; - while (ns != NULL) { - if (! parnsdone) { - if ((elem->parent) && - ((xmlNodePtr) elem->parent->doc != elem->parent)) { - /* - * Gather ancestor in-scope ns-decls. - */ - if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap, - elem->parent) == -1) - goto internal_error; - } - parnsdone = 1; - } - - /* - * Lookup the ns ancestor-axis for equal ns-decls in scope. - */ - if (optRemoveRedundantNS && XML_NSMAP_NOTEMPTY(nsMap)) { - XML_NSMAP_FOREACH(nsMap, mi) { - if ((mi->depth >= XML_TREE_NSMAP_PARENT) && - (mi->shadowDepth == -1) && - ((ns->prefix == mi->newNs->prefix) || - xmlStrEqual(ns->prefix, mi->newNs->prefix)) && - ((ns->href == mi->newNs->href) || - xmlStrEqual(ns->href, mi->newNs->href))) - { - /* - * A redundant ns-decl was found. - * Add it to the list of redundant ns-decls. - */ - if (xmlDOMWrapNSNormAddNsMapItem2(&listRedund, - &sizeRedund, &nbRedund, ns, mi->newNs) == -1) - goto internal_error; - /* - * Remove the ns-decl from the element-node. - */ - if (prevns) - prevns->next = ns->next; - else - cur->nsDef = ns->next; - goto next_ns_decl; - } - } - } - - /* - * Skip ns-references handling if the referenced - * ns-decl is declared on the same element. - */ - if ((cur->ns != NULL) && adoptns && (cur->ns == ns)) - adoptns = 0; - /* - * Does it shadow any ns-decl? - */ - if (XML_NSMAP_NOTEMPTY(nsMap)) { - XML_NSMAP_FOREACH(nsMap, mi) { - if ((mi->depth >= XML_TREE_NSMAP_PARENT) && - (mi->shadowDepth == -1) && - ((ns->prefix == mi->newNs->prefix) || - xmlStrEqual(ns->prefix, mi->newNs->prefix))) { - - mi->shadowDepth = depth; - } - } - } - /* - * Push mapping. - */ - if (xmlDOMWrapNsMapAddItem(&nsMap, -1, ns, ns, - depth) == NULL) - goto internal_error; - - prevns = ns; -next_ns_decl: - ns = ns->next; - } - } - if (! adoptns) - goto ns_end; - /* No break on purpose. */ - case XML_ATTRIBUTE_NODE: - /* No ns, no fun. */ - if (cur->ns == NULL) - goto ns_end; - - if (! parnsdone) { - if ((elem->parent) && - ((xmlNodePtr) elem->parent->doc != elem->parent)) { - if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap, - elem->parent) == -1) - goto internal_error; - } - parnsdone = 1; - } - /* - * Adjust the reference if this was a redundant ns-decl. - */ - if (listRedund) { - for (i = 0, j = 0; i < nbRedund; i++, j += 2) { - if (cur->ns == listRedund[j]) { - cur->ns = listRedund[++j]; - break; - } - } - } - /* - * Adopt ns-references. - */ - if (XML_NSMAP_NOTEMPTY(nsMap)) { - /* - * Search for a mapping. - */ - XML_NSMAP_FOREACH(nsMap, mi) { - if ((mi->shadowDepth == -1) && - (cur->ns == mi->oldNs)) { - - cur->ns = mi->newNs; - goto ns_end; - } - } - } - /* - * Aquire a normalized ns-decl and add it to the map. - */ - if (xmlDOMWrapNSNormAquireNormalizedNs(doc, curElem, - cur->ns, &ns, - &nsMap, depth, - ancestorsOnly, - (cur->type == XML_ATTRIBUTE_NODE) ? 1 : 0) == -1) - goto internal_error; - cur->ns = ns; - -ns_end: - if ((cur->type == XML_ELEMENT_NODE) && - (cur->properties != NULL)) { - /* - * Process attributes. - */ - cur = (xmlNodePtr) cur->properties; - continue; - } - break; - default: - goto next_sibling; - } -into_content: - if ((cur->type == XML_ELEMENT_NODE) && - (cur->children != NULL)) { - /* - * Process content of element-nodes only. - */ - cur = cur->children; - continue; - } -next_sibling: - if (cur == elem) - break; - if (cur->type == XML_ELEMENT_NODE) { - if (XML_NSMAP_NOTEMPTY(nsMap)) { - /* - * Pop mappings. - */ - while ((nsMap->last != NULL) && - (nsMap->last->depth >= depth)) - { - XML_NSMAP_POP(nsMap, mi) - } - /* - * Unshadow. - */ - XML_NSMAP_FOREACH(nsMap, mi) { - if (mi->shadowDepth >= depth) - mi->shadowDepth = -1; - } - } - depth--; - } - if (cur->next != NULL) - cur = cur->next; - else { - if (cur->type == XML_ATTRIBUTE_NODE) { - cur = cur->parent; - goto into_content; - } - cur = cur->parent; - goto next_sibling; - } - } while (cur != NULL); - - ret = 0; - goto exit; -internal_error: - ret = -1; -exit: - if (listRedund) { - for (i = 0, j = 0; i < nbRedund; i++, j += 2) { - xmlFreeNs(listRedund[j]); - } - xmlFree(listRedund); - } - if (nsMap != NULL) - xmlDOMWrapNsMapFree(nsMap); - return (ret); -} - -/* -* xmlDOMWrapAdoptBranch: -* @ctxt: the optional context for custom processing -* @sourceDoc: the optional sourceDoc -* @node: the element-node to start with -* @destDoc: the destination doc for adoption -* @destParent: the optional new parent of @node in @destDoc -* @options: option flags -* -* Ensures that ns-references point to @destDoc: either to -* elements->nsDef entries if @destParent is given, or to -* @destDoc->oldNs otherwise. -* If @destParent is given, it ensures that the tree is namespace -* wellformed by creating additional ns-decls where needed. -* Note that, since prefixes of already existent ns-decls can be -* shadowed by this process, it could break QNames in attribute -* values or element content. -* -* NOTE: This function was not intensively tested. -* -* Returns 0 if succeeded, -1 otherwise and on API/internal errors. -*/ -static int -xmlDOMWrapAdoptBranch(xmlDOMWrapCtxtPtr ctxt, - xmlDocPtr sourceDoc, - xmlNodePtr node, - xmlDocPtr destDoc, - xmlNodePtr destParent, - int options ATTRIBUTE_UNUSED) -{ - int ret = 0; - xmlNodePtr cur, curElem = NULL; - xmlNsMapPtr nsMap = NULL; - xmlNsMapItemPtr mi; - xmlNsPtr ns = NULL; - int depth = -1, adoptStr = 1; - /* gather @parent's ns-decls. */ - int parnsdone; - /* @ancestorsOnly should be set per option. */ - int ancestorsOnly = 0; - - /* - * Optimize string adoption for equal or none dicts. - */ - if ((sourceDoc != NULL) && - (sourceDoc->dict == destDoc->dict)) - adoptStr = 0; - else - adoptStr = 1; - - /* - * Get the ns-map from the context if available. - */ - if (ctxt) - nsMap = (xmlNsMapPtr) ctxt->namespaceMap; - /* - * Disable search for ns-decls in the parent-axis of the - * desination element, if: - * 1) there's no destination parent - * 2) custom ns-reference handling is used - */ - if ((destParent == NULL) || - (ctxt && ctxt->getNsForNodeFunc)) - { - parnsdone = 1; - } else - parnsdone = 0; - - cur = node; - if ((cur != NULL) && (cur->type == XML_NAMESPACE_DECL)) - goto internal_error; - - while (cur != NULL) { - /* - * Paranoid source-doc sanity check. - */ - if (cur->doc != sourceDoc) { - /* - * We'll assume XIncluded nodes if the doc differs. - * TODO: Do we need to reconciliate XIncluded nodes? - * This here skips XIncluded nodes and tries to handle - * broken sequences. - */ - if (cur->next == NULL) - goto leave_node; - do { - cur = cur->next; - if ((cur->type == XML_XINCLUDE_END) || - (cur->doc == node->doc)) - break; - } while (cur->next != NULL); - - if (cur->doc != node->doc) - goto leave_node; - } - cur->doc = destDoc; - switch (cur->type) { - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - /* - * TODO - */ - return (-1); - case XML_ELEMENT_NODE: - curElem = cur; - depth++; - /* - * Namespace declarations. - * - ns->href and ns->prefix are never in the dict, so - * we need not move the values over to the destination dict. - * - Note that for custom handling of ns-references, - * the ns-decls need not be stored in the ns-map, - * since they won't be referenced by node->ns. - */ - if ((cur->nsDef) && - ((ctxt == NULL) || (ctxt->getNsForNodeFunc == NULL))) - { - if (! parnsdone) { - /* - * Gather @parent's in-scope ns-decls. - */ - if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap, - destParent) == -1) - goto internal_error; - parnsdone = 1; - } - for (ns = cur->nsDef; ns != NULL; ns = ns->next) { - /* - * NOTE: ns->prefix and ns->href are never in the dict. - * XML_TREE_ADOPT_STR(ns->prefix) - * XML_TREE_ADOPT_STR(ns->href) - */ - /* - * Does it shadow any ns-decl? - */ - if (XML_NSMAP_NOTEMPTY(nsMap)) { - XML_NSMAP_FOREACH(nsMap, mi) { - if ((mi->depth >= XML_TREE_NSMAP_PARENT) && - (mi->shadowDepth == -1) && - ((ns->prefix == mi->newNs->prefix) || - xmlStrEqual(ns->prefix, - mi->newNs->prefix))) { - - mi->shadowDepth = depth; - } - } - } - /* - * Push mapping. - */ - if (xmlDOMWrapNsMapAddItem(&nsMap, -1, - ns, ns, depth) == NULL) - goto internal_error; - } - } - /* No break on purpose. */ - case XML_ATTRIBUTE_NODE: - /* No namespace, no fun. */ - if (cur->ns == NULL) - goto ns_end; - - if (! parnsdone) { - if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap, - destParent) == -1) - goto internal_error; - parnsdone = 1; - } - /* - * Adopt ns-references. - */ - if (XML_NSMAP_NOTEMPTY(nsMap)) { - /* - * Search for a mapping. - */ - XML_NSMAP_FOREACH(nsMap, mi) { - if ((mi->shadowDepth == -1) && - (cur->ns == mi->oldNs)) { - - cur->ns = mi->newNs; - goto ns_end; - } - } - } - /* - * No matching namespace in scope. We need a new one. - */ - if ((ctxt) && (ctxt->getNsForNodeFunc)) { - /* - * User-defined behaviour. - */ - ns = ctxt->getNsForNodeFunc(ctxt, cur, - cur->ns->href, cur->ns->prefix); - /* - * Insert mapping if ns is available; it's the users fault - * if not. - */ - if (xmlDOMWrapNsMapAddItem(&nsMap, -1, - cur->ns, ns, XML_TREE_NSMAP_CUSTOM) == NULL) - goto internal_error; - cur->ns = ns; - } else { - /* - * Aquire a normalized ns-decl and add it to the map. - */ - if (xmlDOMWrapNSNormAquireNormalizedNs(destDoc, - /* ns-decls on curElem or on destDoc->oldNs */ - destParent ? curElem : NULL, - cur->ns, &ns, - &nsMap, depth, - ancestorsOnly, - /* ns-decls must be prefixed for attributes. */ - (cur->type == XML_ATTRIBUTE_NODE) ? 1 : 0) == -1) - goto internal_error; - cur->ns = ns; - } -ns_end: - /* - * Further node properties. - * TODO: Is this all? - */ - XML_TREE_ADOPT_STR(cur->name) - if (cur->type == XML_ELEMENT_NODE) { - cur->psvi = NULL; - cur->line = 0; - cur->extra = 0; - /* - * Walk attributes. - */ - if (cur->properties != NULL) { - /* - * Process first attribute node. - */ - cur = (xmlNodePtr) cur->properties; - continue; - } - } else { - /* - * Attributes. - */ - if ((sourceDoc != NULL) && - (((xmlAttrPtr) cur)->atype == XML_ATTRIBUTE_ID)) - { - xmlRemoveID(sourceDoc, (xmlAttrPtr) cur); - } - ((xmlAttrPtr) cur)->atype = 0; - ((xmlAttrPtr) cur)->psvi = NULL; - } - break; - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - /* - * This puts the content in the dest dict, only if - * it was previously in the source dict. - */ - XML_TREE_ADOPT_STR_2(cur->content) - goto leave_node; - case XML_ENTITY_REF_NODE: - /* - * Remove reference to the entitity-node. - */ - cur->content = NULL; - cur->children = NULL; - cur->last = NULL; - if ((destDoc->intSubset) || (destDoc->extSubset)) { - xmlEntityPtr ent; - /* - * Assign new entity-node if available. - */ - ent = xmlGetDocEntity(destDoc, cur->name); - if (ent != NULL) { - cur->content = ent->content; - cur->children = (xmlNodePtr) ent; - cur->last = (xmlNodePtr) ent; - } - } - goto leave_node; - case XML_PI_NODE: - XML_TREE_ADOPT_STR(cur->name) - XML_TREE_ADOPT_STR_2(cur->content) - break; - case XML_COMMENT_NODE: - break; - default: - goto internal_error; - } - /* - * Walk the tree. - */ - if (cur->children != NULL) { - cur = cur->children; - continue; - } - -leave_node: - if (cur == node) - break; - if ((cur->type == XML_ELEMENT_NODE) || - (cur->type == XML_XINCLUDE_START) || - (cur->type == XML_XINCLUDE_END)) - { - /* - * TODO: Do we expect nsDefs on XML_XINCLUDE_START? - */ - if (XML_NSMAP_NOTEMPTY(nsMap)) { - /* - * Pop mappings. - */ - while ((nsMap->last != NULL) && - (nsMap->last->depth >= depth)) - { - XML_NSMAP_POP(nsMap, mi) - } - /* - * Unshadow. - */ - XML_NSMAP_FOREACH(nsMap, mi) { - if (mi->shadowDepth >= depth) - mi->shadowDepth = -1; - } - } - depth--; - } - if (cur->next != NULL) - cur = cur->next; - else if ((cur->type == XML_ATTRIBUTE_NODE) && - (cur->parent->children != NULL)) - { - cur = cur->parent->children; - } else { - cur = cur->parent; - goto leave_node; - } - } - - goto exit; - -internal_error: - ret = -1; - -exit: - /* - * Cleanup. - */ - if (nsMap != NULL) { - if ((ctxt) && (ctxt->namespaceMap == nsMap)) { - /* - * Just cleanup the map but don't free. - */ - if (nsMap->first) { - if (nsMap->pool) - nsMap->last->next = nsMap->pool; - nsMap->pool = nsMap->first; - nsMap->first = NULL; - } - } else - xmlDOMWrapNsMapFree(nsMap); - } - return(ret); -} - -/* -* xmlDOMWrapCloneNode: -* @ctxt: the optional context for custom processing -* @sourceDoc: the optional sourceDoc -* @node: the node to start with -* @resNode: the clone of the given @node -* @destDoc: the destination doc -* @destParent: the optional new parent of @node in @destDoc -* @deep: descend into child if set -* @options: option flags -* -* References of out-of scope ns-decls are remapped to point to @destDoc: -* 1) If @destParent is given, then nsDef entries on element-nodes are used -* 2) If *no* @destParent is given, then @destDoc->oldNs entries are used. -* This is the case when you don't know already where the cloned branch -* will be added to. -* -* If @destParent is given, it ensures that the tree is namespace -* wellformed by creating additional ns-decls where needed. -* Note that, since prefixes of already existent ns-decls can be -* shadowed by this process, it could break QNames in attribute -* values or element content. -* TODO: -* 1) What to do with XInclude? Currently this returns an error for XInclude. -* -* Returns 0 if the operation succeeded, -* 1 if a node of unsupported (or not yet supported) type was given, -* -1 on API/internal errors. -*/ - -int -xmlDOMWrapCloneNode(xmlDOMWrapCtxtPtr ctxt, - xmlDocPtr sourceDoc, - xmlNodePtr node, - xmlNodePtr *resNode, - xmlDocPtr destDoc, - xmlNodePtr destParent, - int deep, - int options ATTRIBUTE_UNUSED) -{ - int ret = 0; - xmlNodePtr cur, curElem = NULL; - xmlNsMapPtr nsMap = NULL; - xmlNsMapItemPtr mi; - xmlNsPtr ns; - int depth = -1; - /* int adoptStr = 1; */ - /* gather @parent's ns-decls. */ - int parnsdone = 0; - /* - * @ancestorsOnly: - * TODO: @ancestorsOnly should be set per option. - * - */ - int ancestorsOnly = 0; - xmlNodePtr resultClone = NULL, clone = NULL, parentClone = NULL, prevClone = NULL; - xmlNsPtr cloneNs = NULL, *cloneNsDefSlot = NULL; - xmlDictPtr dict; /* The destination dict */ - - if ((node == NULL) || (resNode == NULL) || (destDoc == NULL)) - return(-1); - /* - * TODO: Initially we support only element-nodes. - */ - if (node->type != XML_ELEMENT_NODE) - return(1); - /* - * Check node->doc sanity. - */ - if ((node->doc != NULL) && (sourceDoc != NULL) && - (node->doc != sourceDoc)) { - /* - * Might be an XIncluded node. - */ - return (-1); - } - if (sourceDoc == NULL) - sourceDoc = node->doc; - if (sourceDoc == NULL) - return (-1); - - dict = destDoc->dict; - /* - * Reuse the namespace map of the context. - */ - if (ctxt) - nsMap = (xmlNsMapPtr) ctxt->namespaceMap; - - *resNode = NULL; - - cur = node; - if ((cur != NULL) && (cur->type == XML_NAMESPACE_DECL)) - return(-1); - - while (cur != NULL) { - if (cur->doc != sourceDoc) { - /* - * We'll assume XIncluded nodes if the doc differs. - * TODO: Do we need to reconciliate XIncluded nodes? - * TODO: This here returns -1 in this case. - */ - goto internal_error; - } - /* - * Create a new node. - */ - switch (cur->type) { - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - /* - * TODO: What to do with XInclude? - */ - goto internal_error; - break; - case XML_ELEMENT_NODE: - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_COMMENT_NODE: - case XML_PI_NODE: - case XML_DOCUMENT_FRAG_NODE: - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - /* - * Nodes of xmlNode structure. - */ - clone = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); - if (clone == NULL) { - xmlTreeErrMemory("xmlDOMWrapCloneNode(): allocating a node"); - goto internal_error; - } - memset(clone, 0, sizeof(xmlNode)); - /* - * Set hierachical links. - */ - if (resultClone != NULL) { - clone->parent = parentClone; - if (prevClone) { - prevClone->next = clone; - clone->prev = prevClone; - } else - parentClone->children = clone; - } else - resultClone = clone; - - break; - case XML_ATTRIBUTE_NODE: - /* - * Attributes (xmlAttr). - */ - clone = (xmlNodePtr) xmlMalloc(sizeof(xmlAttr)); - if (clone == NULL) { - xmlTreeErrMemory("xmlDOMWrapCloneNode(): allocating an attr-node"); - goto internal_error; - } - memset(clone, 0, sizeof(xmlAttr)); - /* - * Set hierachical links. - * TODO: Change this to add to the end of attributes. - */ - if (resultClone != NULL) { - clone->parent = parentClone; - if (prevClone) { - prevClone->next = clone; - clone->prev = prevClone; - } else - parentClone->properties = (xmlAttrPtr) clone; - } else - resultClone = clone; - break; - default: - /* - * TODO QUESTION: Any other nodes expected? - */ - goto internal_error; - } - - clone->type = cur->type; - clone->doc = destDoc; - - /* - * Clone the name of the node if any. - */ - if (cur->name == xmlStringText) - clone->name = xmlStringText; - else if (cur->name == xmlStringTextNoenc) - /* - * NOTE: Although xmlStringTextNoenc is never assigned to a node - * in tree.c, it might be set in Libxslt via - * "xsl:disable-output-escaping". - */ - clone->name = xmlStringTextNoenc; - else if (cur->name == xmlStringComment) - clone->name = xmlStringComment; - else if (cur->name != NULL) { - DICT_CONST_COPY(cur->name, clone->name); - } - - switch (cur->type) { - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - /* - * TODO - */ - return (-1); - case XML_ELEMENT_NODE: - curElem = cur; - depth++; - /* - * Namespace declarations. - */ - if (cur->nsDef != NULL) { - if (! parnsdone) { - if (destParent && (ctxt == NULL)) { - /* - * Gather @parent's in-scope ns-decls. - */ - if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap, - destParent) == -1) - goto internal_error; - } - parnsdone = 1; - } - /* - * Clone namespace declarations. - */ - cloneNsDefSlot = &(clone->nsDef); - for (ns = cur->nsDef; ns != NULL; ns = ns->next) { - /* - * Create a new xmlNs. - */ - cloneNs = (xmlNsPtr) xmlMalloc(sizeof(xmlNs)); - if (cloneNs == NULL) { - xmlTreeErrMemory("xmlDOMWrapCloneNode(): " - "allocating namespace"); - return(-1); - } - memset(cloneNs, 0, sizeof(xmlNs)); - cloneNs->type = XML_LOCAL_NAMESPACE; - - if (ns->href != NULL) - cloneNs->href = xmlStrdup(ns->href); - if (ns->prefix != NULL) - cloneNs->prefix = xmlStrdup(ns->prefix); - - *cloneNsDefSlot = cloneNs; - cloneNsDefSlot = &(cloneNs->next); - - /* - * Note that for custom handling of ns-references, - * the ns-decls need not be stored in the ns-map, - * since they won't be referenced by node->ns. - */ - if ((ctxt == NULL) || - (ctxt->getNsForNodeFunc == NULL)) - { - /* - * Does it shadow any ns-decl? - */ - if (XML_NSMAP_NOTEMPTY(nsMap)) { - XML_NSMAP_FOREACH(nsMap, mi) { - if ((mi->depth >= XML_TREE_NSMAP_PARENT) && - (mi->shadowDepth == -1) && - ((ns->prefix == mi->newNs->prefix) || - xmlStrEqual(ns->prefix, - mi->newNs->prefix))) { - /* - * Mark as shadowed at the current - * depth. - */ - mi->shadowDepth = depth; - } - } - } - /* - * Push mapping. - */ - if (xmlDOMWrapNsMapAddItem(&nsMap, -1, - ns, cloneNs, depth) == NULL) - goto internal_error; - } - } - } - /* cur->ns will be processed further down. */ - break; - case XML_ATTRIBUTE_NODE: - /* IDs will be processed further down. */ - /* cur->ns will be processed further down. */ - break; - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - /* - * Note that this will also cover the values of attributes. - */ - DICT_COPY(cur->content, clone->content); - goto leave_node; - case XML_ENTITY_NODE: - /* TODO: What to do here? */ - goto leave_node; - case XML_ENTITY_REF_NODE: - if (sourceDoc != destDoc) { - if ((destDoc->intSubset) || (destDoc->extSubset)) { - xmlEntityPtr ent; - /* - * Different doc: Assign new entity-node if available. - */ - ent = xmlGetDocEntity(destDoc, cur->name); - if (ent != NULL) { - clone->content = ent->content; - clone->children = (xmlNodePtr) ent; - clone->last = (xmlNodePtr) ent; - } - } - } else { - /* - * Same doc: Use the current node's entity declaration - * and value. - */ - clone->content = cur->content; - clone->children = cur->children; - clone->last = cur->last; - } - goto leave_node; - case XML_PI_NODE: - DICT_COPY(cur->content, clone->content); - goto leave_node; - case XML_COMMENT_NODE: - DICT_COPY(cur->content, clone->content); - goto leave_node; - default: - goto internal_error; - } - - if (cur->ns == NULL) - goto end_ns_reference; - -/* handle_ns_reference: */ - /* - ** The following will take care of references to ns-decls ******** - ** and is intended only for element- and attribute-nodes. - ** - */ - if (! parnsdone) { - if (destParent && (ctxt == NULL)) { - if (xmlDOMWrapNSNormGatherInScopeNs(&nsMap, destParent) == -1) - goto internal_error; - } - parnsdone = 1; - } - /* - * Adopt ns-references. - */ - if (XML_NSMAP_NOTEMPTY(nsMap)) { - /* - * Search for a mapping. - */ - XML_NSMAP_FOREACH(nsMap, mi) { - if ((mi->shadowDepth == -1) && - (cur->ns == mi->oldNs)) { - /* - * This is the nice case: a mapping was found. - */ - clone->ns = mi->newNs; - goto end_ns_reference; - } - } - } - /* - * No matching namespace in scope. We need a new one. - */ - if ((ctxt != NULL) && (ctxt->getNsForNodeFunc != NULL)) { - /* - * User-defined behaviour. - */ - ns = ctxt->getNsForNodeFunc(ctxt, cur, - cur->ns->href, cur->ns->prefix); - /* - * Add user's mapping. - */ - if (xmlDOMWrapNsMapAddItem(&nsMap, -1, - cur->ns, ns, XML_TREE_NSMAP_CUSTOM) == NULL) - goto internal_error; - clone->ns = ns; - } else { - /* - * Aquire a normalized ns-decl and add it to the map. - */ - if (xmlDOMWrapNSNormAquireNormalizedNs(destDoc, - /* ns-decls on curElem or on destDoc->oldNs */ - destParent ? curElem : NULL, - cur->ns, &ns, - &nsMap, depth, - /* if we need to search only in the ancestor-axis */ - ancestorsOnly, - /* ns-decls must be prefixed for attributes. */ - (cur->type == XML_ATTRIBUTE_NODE) ? 1 : 0) == -1) - goto internal_error; - clone->ns = ns; - } - -end_ns_reference: - - /* - * Some post-processing. - * - * Handle ID attributes. - */ - if ((clone->type == XML_ATTRIBUTE_NODE) && - (clone->parent != NULL)) - { - if (xmlIsID(destDoc, clone->parent, (xmlAttrPtr) clone)) { - - xmlChar *idVal; - - idVal = xmlNodeListGetString(cur->doc, cur->children, 1); - if (idVal != NULL) { - if (xmlAddID(NULL, destDoc, idVal, (xmlAttrPtr) cur) == NULL) { - /* TODO: error message. */ - xmlFree(idVal); - goto internal_error; - } - xmlFree(idVal); - } - } - } - /* - ** - ** The following will traverse the tree ************************** - ** - * - * Walk the element's attributes before descending into child-nodes. - */ - if ((cur->type == XML_ELEMENT_NODE) && (cur->properties != NULL)) { - prevClone = NULL; - parentClone = clone; - cur = (xmlNodePtr) cur->properties; - continue; - } -into_content: - /* - * Descend into child-nodes. - */ - if (cur->children != NULL) { - if (deep || (cur->type == XML_ATTRIBUTE_NODE)) { - prevClone = NULL; - parentClone = clone; - cur = cur->children; - continue; - } - } - -leave_node: - /* - * At this point we are done with the node, its content - * and an element-nodes's attribute-nodes. - */ - if (cur == node) - break; - if ((cur->type == XML_ELEMENT_NODE) || - (cur->type == XML_XINCLUDE_START) || - (cur->type == XML_XINCLUDE_END)) { - /* - * TODO: Do we expect nsDefs on XML_XINCLUDE_START? - */ - if (XML_NSMAP_NOTEMPTY(nsMap)) { - /* - * Pop mappings. - */ - while ((nsMap->last != NULL) && - (nsMap->last->depth >= depth)) - { - XML_NSMAP_POP(nsMap, mi) - } - /* - * Unshadow. - */ - XML_NSMAP_FOREACH(nsMap, mi) { - if (mi->shadowDepth >= depth) - mi->shadowDepth = -1; - } - } - depth--; - } - if (cur->next != NULL) { - prevClone = clone; - cur = cur->next; - } else if (cur->type != XML_ATTRIBUTE_NODE) { - /* - * Set clone->last. - */ - if (clone->parent != NULL) - clone->parent->last = clone; - clone = clone->parent; - if (clone != NULL) - parentClone = clone->parent; - /* - * Process parent --> next; - */ - cur = cur->parent; - goto leave_node; - } else { - /* This is for attributes only. */ - clone = clone->parent; - parentClone = clone->parent; - /* - * Process parent-element --> children. - */ - cur = cur->parent; - goto into_content; - } - } - goto exit; - -internal_error: - ret = -1; - -exit: - /* - * Cleanup. - */ - if (nsMap != NULL) { - if ((ctxt) && (ctxt->namespaceMap == nsMap)) { - /* - * Just cleanup the map but don't free. - */ - if (nsMap->first) { - if (nsMap->pool) - nsMap->last->next = nsMap->pool; - nsMap->pool = nsMap->first; - nsMap->first = NULL; - } - } else - xmlDOMWrapNsMapFree(nsMap); - } - /* - * TODO: Should we try a cleanup of the cloned node in case of a - * fatal error? - */ - *resNode = resultClone; - return (ret); -} - -/* -* xmlDOMWrapAdoptAttr: -* @ctxt: the optional context for custom processing -* @sourceDoc: the optional source document of attr -* @attr: the attribute-node to be adopted -* @destDoc: the destination doc for adoption -* @destParent: the optional new parent of @attr in @destDoc -* @options: option flags -* -* @attr is adopted by @destDoc. -* Ensures that ns-references point to @destDoc: either to -* elements->nsDef entries if @destParent is given, or to -* @destDoc->oldNs otherwise. -* -* Returns 0 if succeeded, -1 otherwise and on API/internal errors. -*/ -static int -xmlDOMWrapAdoptAttr(xmlDOMWrapCtxtPtr ctxt, - xmlDocPtr sourceDoc, - xmlAttrPtr attr, - xmlDocPtr destDoc, - xmlNodePtr destParent, - int options ATTRIBUTE_UNUSED) -{ - xmlNodePtr cur; - int adoptStr = 1; - - if ((attr == NULL) || (destDoc == NULL)) - return (-1); - - attr->doc = destDoc; - if (attr->ns != NULL) { - xmlNsPtr ns = NULL; - - if (ctxt != NULL) { - /* TODO: User defined. */ - } - /* XML Namespace. */ - if (IS_STR_XML(attr->ns->prefix)) { - ns = xmlTreeEnsureXMLDecl(destDoc); - } else if (destParent == NULL) { - /* - * Store in @destDoc->oldNs. - */ - ns = xmlDOMWrapStoreNs(destDoc, attr->ns->href, attr->ns->prefix); - } else { - /* - * Declare on @destParent. - */ - if (xmlSearchNsByNamespaceStrict(destDoc, destParent, attr->ns->href, - &ns, 1) == -1) - goto internal_error; - if (ns == NULL) { - ns = xmlDOMWrapNSNormDeclareNsForced(destDoc, destParent, - attr->ns->href, attr->ns->prefix, 1); - } - } - if (ns == NULL) - goto internal_error; - attr->ns = ns; - } - - XML_TREE_ADOPT_STR(attr->name); - attr->atype = 0; - attr->psvi = NULL; - /* - * Walk content. - */ - if (attr->children == NULL) - return (0); - cur = attr->children; - if ((cur != NULL) && (cur->type == XML_NAMESPACE_DECL)) - goto internal_error; - while (cur != NULL) { - cur->doc = destDoc; - switch (cur->type) { - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - XML_TREE_ADOPT_STR_2(cur->content) - break; - case XML_ENTITY_REF_NODE: - /* - * Remove reference to the entitity-node. - */ - cur->content = NULL; - cur->children = NULL; - cur->last = NULL; - if ((destDoc->intSubset) || (destDoc->extSubset)) { - xmlEntityPtr ent; - /* - * Assign new entity-node if available. - */ - ent = xmlGetDocEntity(destDoc, cur->name); - if (ent != NULL) { - cur->content = ent->content; - cur->children = (xmlNodePtr) ent; - cur->last = (xmlNodePtr) ent; - } - } - break; - default: - break; - } - if (cur->children != NULL) { - cur = cur->children; - continue; - } -next_sibling: - if (cur == (xmlNodePtr) attr) - break; - if (cur->next != NULL) - cur = cur->next; - else { - cur = cur->parent; - goto next_sibling; - } - } - return (0); -internal_error: - return (-1); -} - -/* -* xmlDOMWrapAdoptNode: -* @ctxt: the optional context for custom processing -* @sourceDoc: the optional sourceDoc -* @node: the node to start with -* @destDoc: the destination doc -* @destParent: the optional new parent of @node in @destDoc -* @options: option flags -* -* References of out-of scope ns-decls are remapped to point to @destDoc: -* 1) If @destParent is given, then nsDef entries on element-nodes are used -* 2) If *no* @destParent is given, then @destDoc->oldNs entries are used -* This is the case when you have an unlinked node and just want to move it -* to the context of -* -* If @destParent is given, it ensures that the tree is namespace -* wellformed by creating additional ns-decls where needed. -* Note that, since prefixes of already existent ns-decls can be -* shadowed by this process, it could break QNames in attribute -* values or element content. -* NOTE: This function was not intensively tested. -* -* Returns 0 if the operation succeeded, -* 1 if a node of unsupported type was given, -* 2 if a node of not yet supported type was given and -* -1 on API/internal errors. -*/ -int -xmlDOMWrapAdoptNode(xmlDOMWrapCtxtPtr ctxt, - xmlDocPtr sourceDoc, - xmlNodePtr node, - xmlDocPtr destDoc, - xmlNodePtr destParent, - int options) -{ - if ((node == NULL) || (node->type == XML_NAMESPACE_DECL) || - (destDoc == NULL) || - ((destParent != NULL) && (destParent->doc != destDoc))) - return(-1); - /* - * Check node->doc sanity. - */ - if ((node->doc != NULL) && (sourceDoc != NULL) && - (node->doc != sourceDoc)) { - /* - * Might be an XIncluded node. - */ - return (-1); - } - if (sourceDoc == NULL) - sourceDoc = node->doc; - if (sourceDoc == destDoc) - return (-1); - switch (node->type) { - case XML_ELEMENT_NODE: - case XML_ATTRIBUTE_NODE: - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_ENTITY_REF_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - break; - case XML_DOCUMENT_FRAG_NODE: - /* TODO: Support document-fragment-nodes. */ - return (2); - default: - return (1); - } - /* - * Unlink only if @node was not already added to @destParent. - */ - if ((node->parent != NULL) && (destParent != node->parent)) - xmlUnlinkNode(node); - - if (node->type == XML_ELEMENT_NODE) { - return (xmlDOMWrapAdoptBranch(ctxt, sourceDoc, node, - destDoc, destParent, options)); - } else if (node->type == XML_ATTRIBUTE_NODE) { - return (xmlDOMWrapAdoptAttr(ctxt, sourceDoc, - (xmlAttrPtr) node, destDoc, destParent, options)); - } else { - xmlNodePtr cur = node; - int adoptStr = 1; - - cur->doc = destDoc; - /* - * Optimize string adoption. - */ - if ((sourceDoc != NULL) && - (sourceDoc->dict == destDoc->dict)) - adoptStr = 0; - switch (node->type) { - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - XML_TREE_ADOPT_STR_2(node->content) - break; - case XML_ENTITY_REF_NODE: - /* - * Remove reference to the entitity-node. - */ - node->content = NULL; - node->children = NULL; - node->last = NULL; - if ((destDoc->intSubset) || (destDoc->extSubset)) { - xmlEntityPtr ent; - /* - * Assign new entity-node if available. - */ - ent = xmlGetDocEntity(destDoc, node->name); - if (ent != NULL) { - node->content = ent->content; - node->children = (xmlNodePtr) ent; - node->last = (xmlNodePtr) ent; - } - } - XML_TREE_ADOPT_STR(node->name) - break; - case XML_PI_NODE: { - XML_TREE_ADOPT_STR(node->name) - XML_TREE_ADOPT_STR_2(node->content) - break; - } - default: - break; - } - } - return (0); -} - -#define bottom_tree -#include "elfgcchack.h" |