////  Copyright (c) Cail Lomecb (Igor Ruskih) 1999-2000 <ruiv@uic.nnov.ru>//  You can use, modify, distribute this code or any other part//  of colorer library in sources or in binaries only according//  to Colorer License (see /doc/license.txt for more information).//#ifndef __CREGEXP__#define __CREGEXP__#define MATCHESNUM 0x10enum EOps{  ReBlockOps = 0x1000,  ReMul,              // *  RePlus,             // +  ReQuest,            // ?  ReNGMul,            // *?  ReNGPlus,           // +?  ReNGQuest,          // ??  ReRangeN,           // {n,}  ReRangeNM,          // {n,m}  ReNGRangeN,         // {n,}?  ReNGRangeNM,        // {n,m}?  ReOr,               // |  ReBehind  = 0x1100, // ?#n  ReNBehind = 0x1200, // ?~n  ReAhead   = 0x1300, // ?=  ReNAhead  = 0x1400, // ?!  ReSymbolOps = 0x2000,  ReEmpty,  ReSymb,             // a b \W \s ...  ReEnum,             // []  ReNEnum,            // [^]  ReBrackets,         // (...)  ReBkTrace = 0x2100, // \yN  ReBkBrack = 0x2200 // \N};enum ESymbols{  ReAnyChr = 0x4000,  // .  ReSoL,              // ^  ReEoL,              // $  ReDigit,            // \d  ReNDigit,           // \D  ReWordSymb,         // \w  ReNWordSymb,        // \W  ReWSpace,           // \s  ReNWSpace,          // \S  ReUCase,            // \u  ReNUCase ,          // \l  ReWBound,           // \b  ReNWBound,          // \B  RePreNW,            // \c  ReStart,            // \m  ReEnd,              // \M  ReMultiA,           // \Aa variations of A
  ReMultiE,           // \Ae
  ReMultiU,           // \Au
  ReMultiO,           // \Ao
  ReMultiI,           // \Ai spam variations of i
  ReChr    = 0x0      // Char in Lower Byte};enum ETempSymb{  ReTemp = 0x7000,  ReLBrack, ReRBrack,  ReEnumS, ReEnumE, ReNEnumS,  ReRangeS, ReRangeE, ReNGRangeE, ReFrToEnum};enum EError{  EOK = 0, EERROR, ESYNTAX, EBRACKETS, EOP};#define BACKSLASH '\\'typedef union SCharData{  long IArr[8];  // must be 32 bytes!!!  char CArr[32];  void SetBit(unsigned char Bit);  void ClearBit(unsigned char Bit);  bool GetBit(unsigned char Bit);} *PCharData;typedef struct SRegInfo{  SRegInfo();  ~SRegInfo();  EOps Op;  union{    SRegInfo *Param;    int Symb;    PCharData ChrClass;  }un;  int s,e;  SRegInfo *Parent;  SRegInfo *Next;} *PRegInfo;typedef struct SMatches{  int s[MATCHESNUM];  int e[MATCHESNUM];  int CurMatch;} *PMatches;typedef class CRegExp{  bool NoCase, Extend, NoMoves;  char *toParse, *StartPos;  char *End, *Start;  PRegInfo Info;  EError Error;  int  FirstChar;  char *CodePage;  int  *Exprn;  PMatches bktrace;  char *bkstr;  EError SetExprLow(const char *Expr);  EError SetStructs(PRegInfo &Info, int st, int end);  void Optimize();  bool CheckSymb(int Symb, bool Inc);  bool LowParse(PRegInfo Re);  bool LowParseRe(PRegInfo &Next);  bool LowCheckNext(PRegInfo Re);  bool ParseRe(char *Str);  bool QuickCheck();  char inline cptrans(char c);  PMatches Matches;  int CurMatch;public:  CRegExp();  CRegExp(char *Text);  ~CRegExp();  bool isok();  EError geterror();  bool SetNoMoves(bool Moves);  bool SetBkTrace(char *str, PMatches trace);  bool GetBkTrace(char **str, PMatches *trace);  bool SetExpr(LPCSTR Expr);  void SetCodePage(char *Table);  bool Parse(char *Str, PMatches Mtch);  bool Parse(char *Str, char *Sol, char *Eol, PMatches Mtch, int Moves = -1);  //bool static Evaluate(char *Expr,char *Str);} *PRegExp;#endif