- Renamed RegX to RX.  Got sick of the RegX name - looked too much like GenX.
This commit is contained in:
Paul Beckingham 2011-06-21 18:15:58 -04:00
parent 03dbf7f468
commit a7d6b91ad3
9 changed files with 52 additions and 52 deletions

165
src/RX.cpp Normal file
View file

@ -0,0 +1,165 @@
////////////////////////////////////////////////////////////////////////////////
// taskwarrior - a command line task list manager.
//
// Copyright 2010 - 2011, Paul Beckingham, Federico Hernandez.
// All rights reserved.
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation; either version 2 of the License, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the
//
// Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor,
// Boston, MA
// 02110-1301
// USA
//
////////////////////////////////////////////////////////////////////////////////
#include <stdlib.h>
#include <string.h>
#include <RX.h>
#define L10N // Localization complete.
//#define _POSIX_C_SOURCE 1
#define MAX_MATCHES 64
////////////////////////////////////////////////////////////////////////////////
RX::RX ()
: _compiled (false)
, _pattern ("")
, _case_sensitive (true)
{
}
////////////////////////////////////////////////////////////////////////////////
RX::RX (
const std::string& pattern,
bool case_sensitive /* = true */)
: _compiled (false)
, _pattern (pattern)
, _case_sensitive (case_sensitive)
{
compile ();
}
////////////////////////////////////////////////////////////////////////////////
RX::RX (const RX& other)
: _compiled (false)
, _pattern (other._pattern)
, _case_sensitive (other._case_sensitive)
{
}
////////////////////////////////////////////////////////////////////////////////
RX& RX::operator= (const RX& other)
{
if (this != &other)
{
_compiled = false;
_pattern = other._pattern;
_case_sensitive = other._case_sensitive;
}
return *this;
}
////////////////////////////////////////////////////////////////////////////////
bool RX::operator== (const RX& other) const
{
return _pattern == other._pattern &&
_case_sensitive == other._case_sensitive;
}
////////////////////////////////////////////////////////////////////////////////
RX::~RX ()
{
if (_compiled)
regfree (&_regex);
}
////////////////////////////////////////////////////////////////////////////////
void RX::compile ()
{
if (!_compiled)
{
memset (&_regex, 0, sizeof (regex_t));
int result;
if ((result = regcomp (&_regex, _pattern.c_str (),
REG_EXTENDED | /*REG_NOSUB |*/ REG_NEWLINE |
(_case_sensitive ? 0 : REG_ICASE))) != 0)
{
char message[256];
regerror (result, &_regex, message, 256);
throw std::string (message);
}
_compiled = true;
}
}
////////////////////////////////////////////////////////////////////////////////
bool RX::match (const std::string& in)
{
if (!_compiled)
compile ();
return regexec (&_regex, in.c_str (), 0, NULL, 0) == 0 ? true : false;
}
////////////////////////////////////////////////////////////////////////////////
bool RX::match (
std::vector<std::string>& matches,
const std::string& in)
{
if (!_compiled)
compile ();
regmatch_t rm[MAX_MATCHES];
if (regexec (&_regex, in.c_str (), MAX_MATCHES, rm, 0) == 0)
{
for (unsigned int i = 1; i < 1 + _regex.re_nsub; ++i)
matches.push_back (in.substr (rm[i].rm_so, rm[i].rm_eo - rm[i].rm_so));
return true;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
bool RX::match (
std::vector <int>& start,
std::vector <int>& end,
const std::string& in)
{
if (!_compiled)
compile ();
regmatch_t rm[MAX_MATCHES];
if (regexec (&_regex, in.c_str (), MAX_MATCHES, rm, 0) == 0)
{
for (unsigned int i = 1; i < 1 + _regex.re_nsub; ++i)
{
start.push_back (rm[i].rm_so);
end.push_back (rm[i].rm_eo);
}
return true;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////