ede/pekwm/RegexString.hh
2011-10-23 00:10:40 +00:00

80 lines
2.1 KiB
C++

//
// RegexString.hh for pekwm
// Copyright © 2003-2009 Claes Nästén <me{@}pekdon{.}net>
//
// This program is licensed under the GNU GPL.
// See the LICENSE file for more information.
//
#ifndef _REGEX_STRING_HH_
#define _REGEX_STRING_HH_
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H
#include <string>
#include <list>
extern "C" {
#include <sys/types.h>
#include <regex.h>
}
#include "Types.hh"
//! @brief POSIX regular expression wrapper.
class RegexString
{
public:
//! @brief Part of parsed replace data.
class Part
{
public:
//! @brief RegexString::Part constructor.
Part(const std::wstring &str, int ref = -1) : _string(str), _ref(ref) { }
//! @brief RegexString::Part destructor.
~Part(void) { }
//! @brief Returns string data.
const std::wstring &get_string(void) { return _string; }
//! @brief Returns reference number.
int get_reference(void) { return _ref; }
private:
std::wstring _string; //!< String data at item.
int _ref; //!< Reference string should be replaced with.
};
RegexString(void);
RegexString(const std::wstring &string, bool full = false);
~RegexString(void);
//! @brief Returns parse_match data status.
bool is_match_ok(void) { return _reg_ok; }
bool ed_s(std::wstring &str);
bool parse_match(const std::wstring &match, bool full = false);
bool parse_replace(const std::wstring &replace);
bool parse_ed_s(const std::wstring &ed_s);
bool operator==(const std::wstring &rhs);
private:
RegexString(const RegexString &);
RegexString &operator=(const RegexString &);
void free_regex (void);
private:
regex_t _regex; //!< Compiled regular expression holder.
bool _reg_ok; //!< _regex compiled ok flag.
bool _reg_inverted; /**< If true, a non-matching regexp is considered a match. */
int _ref_max; //!< Highest reference used.
std::list<RegexString::Part> _ref_list; //!< List of RegexString::Part holding data generated by parse_replace.
static const char SEPARATOR; /**< Regular expression seperator. */
};
#endif // _REGEX_STRING_HH_