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Diffstat (limited to 'external_libs/yaml-cpp/src/regex.h')
| -rw-r--r-- | external_libs/yaml-cpp/src/regex.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/external_libs/yaml-cpp/src/regex.h b/external_libs/yaml-cpp/src/regex.h new file mode 100644 index 00000000..8722e626 --- /dev/null +++ b/external_libs/yaml-cpp/src/regex.h @@ -0,0 +1,67 @@ +#ifndef REGEX_H_62B23520_7C8E_11DE_8A39_0800200C9A66 +#define REGEX_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 <vector> +#include <string> + +namespace YAML +{ + class Stream; + + enum REGEX_OP { REGEX_EMPTY, REGEX_MATCH, REGEX_RANGE, REGEX_OR, REGEX_AND, REGEX_NOT, REGEX_SEQ }; + + // simplified regular expressions + // . Only straightforward matches (no repeated characters) + // . Only matches from start of string + class RegEx + { + public: + RegEx(); + RegEx(char ch); + RegEx(char a, char z); + RegEx(const std::string& str, REGEX_OP op = REGEX_SEQ); + ~RegEx() {} + + friend RegEx operator ! (const RegEx& ex); + friend RegEx operator || (const RegEx& ex1, const RegEx& ex2); + friend RegEx operator && (const RegEx& ex1, const RegEx& ex2); + friend RegEx operator + (const RegEx& ex1, const RegEx& ex2); + + bool Matches(char ch) const; + bool Matches(const std::string& str) const; + bool Matches(const Stream& in) const; + template <typename Source> bool Matches(const Source& source) const; + + int Match(const std::string& str) const; + int Match(const Stream& in) const; + template <typename Source> int Match(const Source& source) const; + + private: + RegEx(REGEX_OP op); + + template <typename Source> bool IsValidSource(const Source& source) const; + template <typename Source> int MatchUnchecked(const Source& source) const; + + template <typename Source> int MatchOpEmpty(const Source& source) const; + template <typename Source> int MatchOpMatch(const Source& source) const; + template <typename Source> int MatchOpRange(const Source& source) const; + template <typename Source> int MatchOpOr(const Source& source) const; + template <typename Source> int MatchOpAnd(const Source& source) const; + template <typename Source> int MatchOpNot(const Source& source) const; + template <typename Source> int MatchOpSeq(const Source& source) const; + + private: + REGEX_OP m_op; + char m_a, m_z; + std::vector <RegEx> m_params; + }; +} + +#include "regeximpl.h" + +#endif // REGEX_H_62B23520_7C8E_11DE_8A39_0800200C9A66 |