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