kde-extraapps/kompare/libkomparediff2/diffparser.cpp
2014-11-21 16:50:57 +00:00

79 lines
2.5 KiB
C++

/**************************************************************************
** diffparser.cpp
** --------------
** begin : Sun Aug 4 15:05:35 2002
** Copyright 2002-2004 Otto Bruggeman <otto.bruggeman@home.nl>
***************************************************************************/
/***************************************************************************
**
** 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 "diffparser.h"
#include <QtCore/QRegExp>
#include <kdebug.h>
using namespace Diff2;
DiffParser::DiffParser( const KompareModelList* list, const QStringList& diff ) : ParserBase( list, diff )
{
// The regexps needed for context diff parsing, the rest is the same as in parserbase.cpp
m_contextDiffHeader1.setPattern( "\\*\\*\\* ([^\\t]+)(\\t([^\\t]+))?\\n" );
m_contextDiffHeader2.setPattern( "--- ([^\\t]+)(\\t([^\\t]+))?\\n" );
}
DiffParser::~DiffParser()
{
}
enum Kompare::Format DiffParser::determineFormat()
{
kDebug(8101) << "Determining the format of the diff Diff" << m_diffLines << endl;
QRegExp normalRE ( "[0-9]+[0-9,]*[acd][0-9]+[0-9,]*" );
QRegExp unifiedRE( "^--- " );
QRegExp contextRE( "^\\*\\*\\* " );
QRegExp rcsRE ( "^[acd][0-9]+ [0-9]+" );
QRegExp edRE ( "^[0-9]+[0-9,]*[acd]" );
QStringList::ConstIterator it = m_diffLines.begin();
while( it != m_diffLines.end() )
{
kDebug(8101) << (*it) << endl;
if( it->indexOf( normalRE, 0 ) == 0 )
{
kDebug(8101) << "Difflines are from a Normal diff..." << endl;
return Kompare::Normal;
}
else if( it->indexOf( unifiedRE, 0 ) == 0 )
{
kDebug(8101) << "Difflines are from a Unified diff..." << endl;
return Kompare::Unified;
}
else if( it->indexOf( contextRE, 0 ) == 0 )
{
kDebug(8101) << "Difflines are from a Context diff..." << endl;
return Kompare::Context;
}
else if( it->indexOf( rcsRE, 0 ) == 0 )
{
kDebug(8101) << "Difflines are from an RCS diff..." << endl;
return Kompare::RCS;
}
else if( it->indexOf( edRE, 0 ) == 0 )
{
kDebug(8101) << "Difflines are from an ED diff..." << endl;
return Kompare::Ed;
}
++it;
}
kDebug(8101) << "Difflines are from an unknown diff..." << endl;
return Kompare::UnknownFormat;
}