regexp.h
// -*- c-basic-offset: 2 -*-
/*
* This file is part of the KDE libraries
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _KJS_REGEXP_H_
#define _KJS_REGEXP_H_
#include <sys/types.h>
#include "config.h"
#ifdef HAVE_PCREPOSIX
#include <pcre.h>
#else // POSIX regex - not so good...
extern "C" { // bug with some libc5 distributions
#include <regex.h>
}
#endif //HAVE_PCREPOSIX
#include "ustring.h"
namespace KJS {
class RegExp {
public:
enum { None = 0, Global = 1, IgnoreCase = 2, Multiline = 4 };
RegExp(const UString &p, int f = None);
~RegExp();
int flags() const { return flgs; }
UString pattern() const { return pat; }
bool isValid() const { return valid; }
UString match(const UString &s, int i, int *pos = 0, int **ovector = 0);
// test is unused. The JS spec says that RegExp.test should use
// RegExp.exec, so it has to store $1 etc.
// bool test(const UString &s, int i = -1);
unsigned int subPatterns() const { return nrSubPatterns; }
//These methods should be called around the match of the same string..
void prepareMatch(const UString &s);
void doneMatch();
private:
const UString pat;
int flgs : 8;
bool m_notEmpty;
bool valid;
// Cached encoding info...
char* buffer;
int* originalPos;
int bufferSize;
void prepareUtf8 (const UString& s);
void prepareASCII (const UString& s);
#ifndef NDEBUG
UString originalS; // the original string, used for sanity-checking
#endif
#ifndef HAVE_PCREPOSIX
regex_t preg;
#else
pcre *pcregex;
enum UTF8SupportState {
Unknown,
Supported,
Unsupported
};
#ifdef PCRE_CONFIG_UTF8
static UTF8SupportState utf8Support;
#endif
#endif
unsigned int nrSubPatterns;
RegExp();
};
} // namespace
#endif

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