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Diffstat (limited to 'kjs/regexp.h')
-rw-r--r-- | kjs/regexp.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/kjs/regexp.h b/kjs/regexp.h new file mode 100644 index 000000000..3a14728d0 --- /dev/null +++ b/kjs/regexp.h @@ -0,0 +1,97 @@ +// -*- 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 |