66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
#pragma once
|
|
|
|
#ifndef REGEX_H_62B23520_7C8E_11DE_8A39_0800200C9A66
|
|
#define REGEX_H_62B23520_7C8E_11DE_8A39_0800200C9A66
|
|
|
|
|
|
#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
|