Files
yaml-cpp/include/yaml-cpp/exceptions.h
2014-03-22 12:49:16 -05:00

112 lines
4.5 KiB
C++

#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 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";
}
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 EmitterException : public Exception {
public:
EmitterException(const std::string& msg_)
: Exception(Mark::null_mark(), msg_) {}
};
}
#endif // EXCEPTIONS_H_62B23520_7C8E_11DE_8A39_0800200C9A66