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/* ****************************************************************************
This file is part of KBabel
Copyright (C) 2001 by Matthias Kiefer <matthias.kiefer@gmx.de>
2002 by Stanislav Visnovsky <visnovsky@nenya.ms.mff.cuni.cz>
based on code of Andrea Rizzi <rizzi@kde.org>
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.
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the TQt library by Trolltech AS, Norway (or with modified versions
of TQt that use the same license as TQt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
TQt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
**************************************************************************** */
#include "regexpextractor.h"
#include <kdebug.h>
#include <tqregexp.h>
using namespace KBabel;
RegExpExtractor::RegExpExtractor(const TQStringList& regexps) :
_regExpList( regexps )
{
_string=TQString();
_matches.setAutoDelete(true);
}
void RegExpExtractor::setString(TQString string)
{
_string=string;
processString();
}
uint RegExpExtractor::countMatches()
{
return _matches.count();
}
TQString RegExpExtractor::firstMatch()
{
MatchedEntryInfo *ti = _matches.first();
if(ti)
return ti->extracted;
return TQString();
}
TQString RegExpExtractor::nextMatch()
{
MatchedEntryInfo *ti=_matches.next();
if(!ti)
ti=_matches.first();
if(ti)
return ti->extracted;
return TQString();
}
TQString RegExpExtractor::match(uint tagnumber)
{
MatchedEntryInfo *ti=_matches.at(tagnumber);
if(ti)
return ti->extracted;
return TQString();
}
int RegExpExtractor::matchIndex(uint tagnumber)
{
MatchedEntryInfo *ti=_matches.at(tagnumber);
if(ti)
return ti->index;
return -1;
}
TQString RegExpExtractor::prevMatch()
{
MatchedEntryInfo *ti=_matches.prev();
if(ti)
return ti->extracted;
return TQString();
}
TQString RegExpExtractor::lastMatch()
{
MatchedEntryInfo *ti=_matches.last();
if(ti)
return ti->extracted;
return TQString();
}
TQStringList RegExpExtractor::matches()
{
TQStringList list;
MatchedEntryInfo *ti;
for(ti=_matches.first(); ti!=0; ti = _matches.next())
{
list.append(ti->extracted);
}
return list;
}
TQString RegExpExtractor::plainString(bool keepPos)
{
TQString tmp=_string;
MatchedEntryInfo *ti;
for(ti=_matches.first(); ti != 0; ti=_matches.next())
{
uint len=ti->extracted.length();
TQString s;
for(uint i=0; i<len; i++)
{
s+=' ';
}
tmp.tqreplace(ti->index,len,s);
}
if(!keepPos)
{
tmp=tmp.simplifyWhiteSpace();
}
return tmp;
}
TQString RegExpExtractor::matchesReplaced(const TQString& tqreplace)
{
TQString tmp=_string;
int posCorrection=0;
int replaceLen=tqreplace.length();
MatchedEntryInfo *ti;
for(ti=_matches.first(); ti != 0; ti=_matches.next())
{
uint len=ti->extracted.length();
tmp.tqreplace(ti->index + posCorrection,len,tqreplace);
posCorrection+=(replaceLen-len);
}
return tmp;
}
void RegExpExtractor::processString()
{
_matches.clear();
// if there is no regexp to be matched, quit
if( regExpList().empty() ) return;
TQValueList<MatchedEntryInfo> tmpList;
bool found=false;
TQString tmp=_string;
do
{
found=false;
TQStringList::Iterator it;
for(it=_regExpList.begin();it!=_regExpList.end();++it)
{
int pos=-1;
TQString tag;
TQRegExp reg = TQRegExp((*it));
pos = reg.search(tmp);
int len=reg.matchedLength();
if(pos>=0)
{
tag=tmp.mid(pos,len);
}
if(pos >= 0)
{
found=true;
MatchedEntryInfo ti;
ti.index=pos;
ti.extracted=tag;
tmpList.append(ti);
TQString s;
for(uint i=0; i<tag.length(); i++)
{
s+=' ';
}
tmp.tqreplace(pos,tag.length(),s);
break;
}
}
}
while( found );
uint num=tmpList.count();
for(uint i=0; i < num; i++)
{
uint n= 0;
uint min=_string.length();
uint counter=0;
TQValueList<MatchedEntryInfo>::Iterator it;
for(it=tmpList.begin();it!=tmpList.end();++it)
{
if((*it).index < min)
{
min=(*it).index;
n=counter;
}
counter++;
}
it=tmpList.at(n);
MatchedEntryInfo *ti = new MatchedEntryInfo;
ti->index=(*it).index;
ti->extracted=(*it).extracted;
_matches.append(ti);
tmpList.remove(it);
}
}
TQStringList RegExpExtractor::regExpList()
{
return _regExpList;
}
void RegExpExtractor::setRegExpList( const TQStringList& regexps )
{
_regExpList = regexps;
}
void RegExpExtractor::addRegExpIdentifier(TQString regExp)
{
_regExpList.append(regExp);
}
void RegExpExtractor::deleteRegExpIdentifier(TQString regExp)
{
_regExpList.remove(regExp);
}
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