modules/up/src/gnug++/Regex.h
/* [<][>][^][v][top][bottom][index][help] */
FUNCTIONS
This source file includes following functions.
- 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
/* [<][>][^][v][top][bottom][index][help] */
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