## modules/up/src/gnug++/Regex.h

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## FUNCTIONS

This source file includes following functions.

1. Regex

       1 // This may look like C code, but it is really -*- C++ -*-
       2 /*
       3 Copyright (C) 1988 Free Software Foundation
       4     written by Doug Lea (dl@rocky.oswego.edu)
       5
       6 This file is part of the GNU C++ Library.  This library is free
       7 software; you can redistribute it and/or modify it under the terms of
       8 the GNU Library General Public License as published by the Free
       9 Software Foundation; either version 2 of the License, or (at your
      10 option) any later version.  This library is distributed in the hope
      11 that it will be useful, but WITHOUT ANY WARRANTY; without even the
      12 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
      13 PURPOSE.  See the GNU Library General Public License for more details.
      14 You should have received a copy of the GNU Library General Public
      15 License along with this library; if not, write to the Free Software
      16 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
      17 */
      18
      19
      20 #ifndef _Regex_h
      21 #ifdef __GNUG__
      22 #pragma interface
      23 #endif
      24 #define _Regex_h 1
      25
      26 #undef OK
      27
      28 #if defined(SHORT_NAMES) || defined(VMS)
      29 #define re_compile_pattern      recmppat
      30 #define re_pattern_buffer       repatbuf
      31 #define re_registers            reregs
      32 #endif
      33
      34 struct re_pattern_buffer;       // defined elsewhere
      35 struct re_registers;
      36
      37 class Regex
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      38 {
      39 private:
      40
      41                      Regex(const Regex&) {}  // no X(X&)
      42   void               operator = (const Regex&) {} // no assignment
      43
      44 protected:
      45   re_pattern_buffer* buf;
      46   re_registers*      reg;
      47
      48 public:
      49                      Regex(const char* t,
      50                            int fast = 0,
      51                            int bufsize = 40,
      52                            const char* transtable = 0);
      53
      54                     ~Regex();
      55
      56   int                match(const char* s, int len, int pos = 0) const;
      57   int                search(const char* s, int len,
      58                             int& matchlen, int startpos = 0) const;
      59   int                match_info(int& start, int& length, int nth = 0) const;
      60
      61   int                OK() const;  // representation invariant
      62 };
      63
      64 // some built in regular expressions
      65
      66 extern const Regex RXwhite;          // = "[ \n\t\r\v\f]+"
      67 extern const Regex RXint;            // = "-?[0-9]+"
      68 extern const Regex RXdouble;         // = "-?\\(\\([0-9]+\\.[0-9]*\\)\\|
      69                                      //    \\([0-9]+\\)\\|\\(\\.[0-9]+\\)\\)
      70                                      //    \\([eE][---+]?[0-9]+\\)?"
      71 extern const Regex RXalpha;          // = "[A-Za-z]+"
      72 extern const Regex RXlowercase;      // = "[a-z]+"
      73 extern const Regex RXuppercase;      // = "[A-Z]+"
      74 extern const Regex RXalphanum;       // = "[0-9A-Za-z]+"
      75 extern const Regex RXidentifier;     // = "[A-Za-z_][A-Za-z0-9_]*"
      76
      77
      78 #endif

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