61d5ffaf10
issues in these areas:
.h's installed
.hP's installed
-lcurses interaction
files needed in ~/legal for copyleft reasons.
77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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/*
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Copyright (C) 1988 Free Software Foundation
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written by Doug Lea (dl@rocky.oswego.edu)
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This file is part of the GNU C++ Library. This library is free
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software; you can redistribute it and/or modify it under the terms of
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the GNU Library General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your
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option) any later version. This library is distributed in the hope
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that it will be useful, but WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _Regex_h
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#ifdef __GNUG__
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#pragma interface
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#endif
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#define _Regex_h 1
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#if defined(SHORT_NAMES) || defined(VMS)
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#define re_compile_pattern recmppat
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#define re_pattern_buffer repatbuf
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#define re_registers reregs
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#endif
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struct re_pattern_buffer; // defined elsewhere
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struct re_registers;
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class Regex
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{
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private:
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Regex(const Regex&) {} // no X(X&)
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void operator = (const Regex&) {} // no assignment
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protected:
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re_pattern_buffer* buf;
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re_registers* reg;
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public:
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Regex(const char* t,
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int fast = 0,
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int bufsize = 40,
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const char* transtable = 0);
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~Regex();
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int match(const char* s, int len, int pos = 0) const;
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int search(const char* s, int len,
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int& matchlen, int startpos = 0) const;
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int match_info(int& start, int& length, int nth = 0) const;
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int OK() const; // representation invariant
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};
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// some built in regular expressions
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extern const Regex RXwhite; // = "[ \n\t\r\v\f]+"
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extern const Regex RXint; // = "-?[0-9]+"
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extern const Regex RXdouble; // = "-?\\(\\([0-9]+\\.[0-9]*\\)\\|
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// \\([0-9]+\\)\\|\\(\\.[0-9]+\\)\\)
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// \\([eE][---+]?[0-9]+\\)?"
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extern const Regex RXalpha; // = "[A-Za-z]+"
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extern const Regex RXlowercase; // = "[a-z]+"
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extern const Regex RXuppercase; // = "[A-Z]+"
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extern const Regex RXalphanum; // = "[0-9A-Za-z]+"
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extern const Regex RXidentifier; // = "[A-Za-z_][A-Za-z0-9_]*"
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#endif
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