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// RegExp.cc for Fluxbox Window Manager
// Copyright (c) 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
// and Simon Bowden (rathnor at users.sourceforge.net)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: RegExp.cc,v 1.1 2003/06/12 15:12:19 rathnor Exp $
#include "RegExp.hh"
//use GNU extensions
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif // _GNU_SOURCE
#include <string>
#include <iostream>
using namespace std;
/********************************************************
* RegExp *
***********/
// full_match is to say if we match on this regexp using the full string
// or just a substring. Substrings aren't supported if not HAVE_REGEXP
RegExp::RegExp(const std::string &str, bool full_match):
#ifdef USE_REGEXP
m_regex(0) {
string match;
if (full_match) {
match = "^";
match.append(str);
match.append("$");
} else {
match = str;
}
m_regex = new regex_t;
int ret = regcomp(m_regex, match.c_str(), REG_NOSUB | REG_EXTENDED);
if (ret != 0) {
char *errstr = 0;
// gives us the length of the string
unsigned int size = regerror(ret, m_regex, errstr, 0);
errstr = new char[size];
regerror(ret, m_regex, errstr, size);
cerr<<"Error parsing regular expression: "<<errstr<<endl;
delete [] errstr;
delete m_regex; // I don't think I regfree a failed compile?
m_regex = 0;
}
}
#else // notdef USE_REGEXP
m_str(str) {}
#endif // USE_REGEXP
RegExp::~RegExp() {
#ifdef USE_REGEXP
if (m_regex != 0) {
regfree(m_regex);
delete m_regex;
}
#endif // USE_REGEXP
}
bool RegExp::match(const std::string &str) {
#ifdef USE_REGEXP
if (m_regex)
return (regexec(m_regex, str.c_str(), 0, 0, 0) == 0);
else
return false;
#else // notdef USE_REGEXP
return (m_str == str);
#endif // USE_REGEXP
}
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