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csutil/regexp.h

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00001 /*
00002     Copyright (C) 2004 by Frank Richter
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_UTIL_REGEXP_H__
00020 #define __CS_UTIL_REGEXP_H__
00021 
00026 #include "csextern.h"
00027 #include "csutil/array.h"
00028 
00032 enum csRegExpMatchError
00033 {
00035   csrxNoError,
00037   csrxNoMatch,
00043   csrxBadBraces,
00047   csrxBadPattern,
00052   csrxBadRepetition,
00057   csrxErrCollate,
00061   csrxErrCharType,
00065   csrxErrEscape,
00069   csrxErrSubReg,
00073   csrxErrBrackets,
00078   csrxErrParentheses,
00082   csrxErrBraces,
00086   csrxErrRange,
00090   csrxErrSpace,
00094   csrxErrUnknown
00095 };
00096 
00100 enum csRegExpMatchFlags
00101 {
00105   csrxIgnoreCase = 1,
00114   csrxNewLine = 2,
00120   csrxNotBOL = 4,
00125   csrxNotEOL = 8
00126 };
00127 
00131 struct CS_CRYSTALSPACE_EXPORT csRegExpMatch
00132 {
00134   size_t startOffset;
00139   size_t endOffset;
00140 };
00141 
00153 class CS_CRYSTALSPACE_EXPORT csRegExpMatcher
00154 {
00155   void* regex;
00156   char* pattern;
00157   int compiledFlags;
00158   csRegExpMatchError compileError;
00159   bool extendedRE;
00160   
00161   bool Compile (int flags, bool nosub);
00162 
00163 public:
00170   csRegExpMatcher (const char* pattern, bool extendedRE = false);
00171 
00173   csRegExpMatcher (const csRegExpMatcher& other);
00174 
00176   ~csRegExpMatcher ();
00177   
00179   csRegExpMatcher& operator= (const csRegExpMatcher &other);
00180 
00190   csRegExpMatchError Match (const char* string, int flags = 0);
00191 
00203   csRegExpMatchError Match (const char* string, 
00204     csArray<csRegExpMatch>& matches, int flags = 0);
00205 };
00206 
00207 #endif // __CS_UTIL_REGEXP_H__

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