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/**************************************************************************
** parser.cpp
** ----------
** begin : Sun Aug 4 15:05:35 2002
** Copyright 2002-2004 Otto Bruggeman <otto.bruggeman@home.nl>
** Copyright 2010 Kevin Kofler <kevin.kofler@chello.at>
***************************************************************************/
/***************************************************************************
**
** 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.
**
***************************************************************************/
#include "parser.h"
#include <kdebug.h>
#include "cvsdiffparser.h"
#include "diffparser.h"
#include "perforceparser.h"
#include "diffmodel.h"
using namespace Diff2;
Parser::Parser( const KompareModelList* list ) :
m_list( list )
{
}
Parser::~Parser()
{
}
int Parser::cleanUpCrap( QStringList& diffLines )
{
QStringList::Iterator it = diffLines.begin();
int nol = 0;
QString noNewLine( "\\ No newline" );
for ( ; it != diffLines.end(); ++it )
{
if ( (*it).startsWith( noNewLine ) )
{
it = diffLines.erase( it );
// correcting the advance of the iterator because of the remove
--it;
QString temp( *it );
temp.truncate( temp.indexOf( '\n' ) );
*it = temp;
++nol;
}
}
return nol;
}
DiffModelList* Parser::parse( QStringList& diffLines, bool* malformed )
{
/* Basically determine the generator then call the parse method */
ParserBase* parser;
m_generator = determineGenerator( diffLines );
int nol = cleanUpCrap( diffLines );
kDebug(8101) << "Cleaned up " << nol << " line(s) of crap from the diff..." << endl;
switch( m_generator )
{
case Kompare::CVSDiff :
kDebug(8101) << "It is a CVS generated diff..." << endl;
parser = new CVSDiffParser( m_list, diffLines );
break;
case Kompare::Diff :
kDebug(8101) << "It is a diff generated diff..." << endl;
parser = new DiffParser( m_list, diffLines );
break;
case Kompare::Perforce :
kDebug(8101) << "It is a Perforce generated diff..." << endl;
parser = new PerforceParser( m_list, diffLines );
break;
default:
// Nothing to delete, just leave...
return 0L;
}
m_format = parser->format();
DiffModelList* modelList = parser->parse( malformed );
if ( modelList )
{
kDebug(8101) << "Modelcount: " << modelList->count() << endl;
DiffModelListIterator modelIt = modelList->begin();
DiffModelListIterator mEnd = modelList->end();
for ( ; modelIt != mEnd; ++modelIt )
{
kDebug(8101) << "Hunkcount: " << (*modelIt)->hunkCount() << endl;
kDebug(8101) << "Diffcount: " << (*modelIt)->differenceCount() << endl;
}
}
delete parser;
return modelList;
}
enum Kompare::Generator Parser::determineGenerator( const QStringList& diffLines )
{
// Shit have to duplicate some code with this method and the ParserBase derived classes
QString cvsDiff ( "Index: " );
QString perforceDiff( "==== " );
QStringList::ConstIterator it = diffLines.begin();
QStringList::ConstIterator linesEnd = diffLines.end();
while ( it != linesEnd )
{
if ( ( *it ).startsWith( cvsDiff ) )
{
kDebug(8101) << "Diff is a CVSDiff" << endl;
return Kompare::CVSDiff;
}
else if ( ( *it ).startsWith( perforceDiff ) )
{
kDebug(8101) << "Diff is a Perforce Diff" << endl;
return Kompare::Perforce;
}
++it;
}
kDebug(8101) << "We'll assume it is a diff Diff" << endl;
// For now we'll assume it is a diff file diff, later we might
// try to really determine if it is a diff file diff.
return Kompare::Diff;
}
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