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Diffstat (limited to 'yaml-cpp/include/yaml-cpp/exceptions.h')
| -rwxr-xr-x | yaml-cpp/include/yaml-cpp/exceptions.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/yaml-cpp/include/yaml-cpp/exceptions.h b/yaml-cpp/include/yaml-cpp/exceptions.h new file mode 100755 index 00000000..394d5868 --- /dev/null +++ b/yaml-cpp/include/yaml-cpp/exceptions.h @@ -0,0 +1,164 @@ +#ifndef EXCEPTIONS_H_62B23520_7C8E_11DE_8A39_0800200C9A66 +#define EXCEPTIONS_H_62B23520_7C8E_11DE_8A39_0800200C9A66 + +#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4 +#pragma once +#endif + + +#include "yaml-cpp/mark.h" +#include "yaml-cpp/traits.h" +#include <stdexcept> +#include <string> +#include <sstream> + +namespace YAML +{ + // error messages + namespace ErrorMsg + { + const char * const YAML_DIRECTIVE_ARGS = "YAML directives must have exactly one argument"; + const char * const YAML_VERSION = "bad YAML version: "; + const char * const YAML_MAJOR_VERSION = "YAML major version too large"; + const char * const REPEATED_YAML_DIRECTIVE= "repeated YAML directive"; + const char * const TAG_DIRECTIVE_ARGS = "TAG directives must have exactly two arguments"; + const char * const REPEATED_TAG_DIRECTIVE = "repeated TAG directive"; + const char * const CHAR_IN_TAG_HANDLE = "illegal character found while scanning tag handle"; + const char * const TAG_WITH_NO_SUFFIX = "tag handle with no suffix"; + const char * const END_OF_VERBATIM_TAG = "end of verbatim tag not found"; + const char * const END_OF_MAP = "end of map not found"; + const char * const END_OF_MAP_FLOW = "end of map flow not found"; + const char * const END_OF_SEQ = "end of sequence not found"; + const char * const END_OF_SEQ_FLOW = "end of sequence flow not found"; + const char * const MULTIPLE_TAGS = "cannot assign multiple tags to the same node"; + const char * const MULTIPLE_ANCHORS = "cannot assign multiple anchors to the same node"; + const char * const MULTIPLE_ALIASES = "cannot assign multiple aliases to the same node"; + const char * const ALIAS_CONTENT = "aliases can't have any content, *including* tags"; + const char * const INVALID_HEX = "bad character found while scanning hex number"; + const char * const INVALID_UNICODE = "invalid unicode: "; + const char * const INVALID_ESCAPE = "unknown escape character: "; + const char * const UNKNOWN_TOKEN = "unknown token"; + const char * const DOC_IN_SCALAR = "illegal document indicator in scalar"; + const char * const EOF_IN_SCALAR = "illegal EOF in scalar"; + const char * const CHAR_IN_SCALAR = "illegal character in scalar"; + const char * const TAB_IN_INDENTATION = "illegal tab when looking for indentation"; + const char * const FLOW_END = "illegal flow end"; + const char * const BLOCK_ENTRY = "illegal block entry"; + const char * const MAP_KEY = "illegal map key"; + const char * const MAP_VALUE = "illegal map value"; + const char * const ALIAS_NOT_FOUND = "alias not found after *"; + const char * const ANCHOR_NOT_FOUND = "anchor not found after &"; + const char * const CHAR_IN_ALIAS = "illegal character found while scanning alias"; + const char * const CHAR_IN_ANCHOR = "illegal character found while scanning anchor"; + const char * const ZERO_INDENT_IN_BLOCK = "cannot set zero indentation for a block scalar"; + const char * const CHAR_IN_BLOCK = "unexpected character in block scalar"; + const char * const AMBIGUOUS_ANCHOR = "cannot assign the same alias to multiple nodes"; + const char * const UNKNOWN_ANCHOR = "the referenced anchor is not defined"; + + const char * const INVALID_SCALAR = "invalid scalar"; + const char * const KEY_NOT_FOUND = "key not found"; + const char * const BAD_DEREFERENCE = "bad dereference"; + + const char * const UNMATCHED_GROUP_TAG = "unmatched group tag"; + const char * const UNEXPECTED_END_SEQ = "unexpected end sequence token"; + const char * const UNEXPECTED_END_MAP = "unexpected end map token"; + const char * const SINGLE_QUOTED_CHAR = "invalid character in single-quoted string"; + const char * const INVALID_ANCHOR = "invalid anchor"; + const char * const INVALID_ALIAS = "invalid alias"; + const char * const INVALID_TAG = "invalid tag"; + const char * const EXPECTED_KEY_TOKEN = "expected key token"; + const char * const EXPECTED_VALUE_TOKEN = "expected value token"; + const char * const UNEXPECTED_KEY_TOKEN = "unexpected key token"; + const char * const UNEXPECTED_VALUE_TOKEN = "unexpected value token"; + + template <typename T> + inline const std::string KEY_NOT_FOUND_WITH_KEY(const T&, typename disable_if<is_numeric<T> >::type * = 0) { + return KEY_NOT_FOUND; + } + + inline const std::string KEY_NOT_FOUND_WITH_KEY(const std::string& key) { + std::stringstream stream; + stream << KEY_NOT_FOUND << ": " << key; + return stream.str(); + } + + template <typename T> + inline const std::string KEY_NOT_FOUND_WITH_KEY(const T& key, typename enable_if<is_numeric<T> >::type * = 0) { + std::stringstream stream; + stream << KEY_NOT_FOUND << ": " << key; + return stream.str(); + } + } + + class Exception: public std::runtime_error { + public: + Exception(const Mark& mark_, const std::string& msg_) + : std::runtime_error(build_what(mark_, msg_)), mark(mark_), msg(msg_) {} + virtual ~Exception() throw() {} + + Mark mark; + std::string msg; + + private: + static const std::string build_what(const Mark& mark, const std::string& msg) { + std::stringstream output; + output << "yaml-cpp: error at line " << mark.line+1 << ", column " << mark.column+1 << ": " << msg; + return output.str(); + } + }; + + class ParserException: public Exception { + public: + ParserException(const Mark& mark_, const std::string& msg_) + : Exception(mark_, msg_) {} + }; + + class RepresentationException: public Exception { + public: + RepresentationException(const Mark& mark_, const std::string& msg_) + : Exception(mark_, msg_) {} + }; + + // representation exceptions + class InvalidScalar: public RepresentationException { + public: + InvalidScalar(const Mark& mark_) + : RepresentationException(mark_, ErrorMsg::INVALID_SCALAR) {} + }; + + class KeyNotFound: public RepresentationException { + public: + template <typename T> + KeyNotFound(const Mark& mark_, const T& key_) + : RepresentationException(mark_, ErrorMsg::KEY_NOT_FOUND_WITH_KEY(key_)) {} + }; + + template <typename T> + class TypedKeyNotFound: public KeyNotFound { + public: + TypedKeyNotFound(const Mark& mark_, const T& key_) + : KeyNotFound(mark_, key_), key(key_) {} + virtual ~TypedKeyNotFound() throw() {} + + T key; + }; + + template <typename T> + inline TypedKeyNotFound <T> MakeTypedKeyNotFound(const Mark& mark, const T& key) { + return TypedKeyNotFound <T> (mark, key); + } + + class BadDereference: public RepresentationException { + public: + BadDereference() + : RepresentationException(Mark::null(), ErrorMsg::BAD_DEREFERENCE) {} + }; + + class EmitterException: public Exception { + public: + EmitterException(const std::string& msg_) + : Exception(Mark::null(), msg_) {} + }; +} + +#endif // EXCEPTIONS_H_62B23520_7C8E_11DE_8A39_0800200C9A66 |