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- // This may look like C code, but it is really -*- C++ -*-
- /*
- Copyright (C) 1988 Free Software Foundation
- written by Doug Lea (dl@rocky.oswego.edu)
-
- This file is part of GNU CC.
-
- GNU CC is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY. No author or distributor
- accepts responsibility to anyone for the consequences of using it
- or for whether it serves any particular purpose or works at all,
- unless he says so in writing. Refer to the GNU CC General Public
- License for full details.
-
- Everyone is granted permission to copy, modify and redistribute
- GNU CC, but only under the conditions described in the
- GNU CC General Public License. A copy of this license is
- supposed to have been given to you along with GNU CC so you
- can know your rights and responsibilities. It should be in a
- file named COPYING. Among other things, the copyright notice
- and this notice must be preserved on all copies.
- */
-
-
- #ifndef _Regex_h
- #ifdef __GNUG__
- #pragma once
- #pragma interface
- #endif
- #define _Regex_h 1
-
- struct re_pattern_buffer; // defined elsewhere
- struct re_registers;
-
- class Regex
- {
- private:
-
- Regex(const Regex&) {} // no X(X&)
- void operator = (const Regex&) {} // no assignment
-
- protected:
- re_pattern_buffer* buf;
- re_registers* reg;
-
- public:
- Regex(const char* t,
- int fast = 0,
- int bufsize = 40,
- const char* transtable = 0);
-
- ~Regex();
-
- int match(const char* s, int len, int pos = 0) const;
- int search(const char* s, int len,
- int& matchlen, int startpos = 0) const;
- int match_info(int& start, int& length, int nth = 0) const;
-
- int OK() const; // representation invariant
- };
-
- // some built in regular expressions
-
- extern const Regex RXwhite; // = "[ \n\t\r\v\f]+"
- extern const Regex RXint; // = "-?[0-9]+"
- extern const Regex RXdouble; // = "-?\\(\\([0-9]+\\.[0-9]*\\)\\|
- // \\([0-9]+\\)\\|\\(\\.[0-9]+\\)\\)
- // \\([eE][---+]?[0-9]+\\)?"
- extern const Regex RXalpha; // = "[A-Za-z]+"
- extern const Regex RXlowercase; // = "[a-z]+"
- extern const Regex RXuppercase; // = "[A-Z]+"
- extern const Regex RXalphanum; // = "[0-9A-Za-z]+"
- extern const Regex RXidentifier; // = "[A-Za-z_][A-Za-z0-9_]*"
-
-
- #endif
-