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tdesdk/kompare/libdiff2/cvsdiffparser.cpp

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/**************************************************************************
** cvsdiffparser.cpp
** -----------------
** begin : Sun Aug 4 15:05:35 2002
** copyright : (C) 2002-2004 Otto Bruggeman
** email : 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 <qregexp.h>
#include <kdebug.h>
#include "cvsdiffparser.h"
#include "komparemodellist.h"
using namespace Diff2;
CVSDiffParser::CVSDiffParser( const KompareModelList* list, const QStringList& diff ) : ParserBase( list, diff )
{
// The regexps needed for context cvs diff parsing, the rest is the same as in parserbase.cpp
// third capture in header1 is non optional for cvs diff, it is the revision
m_contextDiffHeader1.setPattern( "\\*\\*\\* ([^\\t]+)\\t([^\\t]+)\\t(.*)\\n" );
m_contextDiffHeader2.setPattern( "--- ([^\\t]+)\\t([^\\t]+)(|\\t(.*))\\n" );
m_normalDiffHeader.setPattern( "Index: (.*)\\n" );
}
CVSDiffParser::~CVSDiffParser()
{
}
enum Kompare::Format CVSDiffParser::determineFormat()
{
// kdDebug(8101) << "Determining the format of the CVSDiff" << endl;
QRegExp normalRE ( "[0-9]+[0-9,]*[acd][0-9]+[0-9,]*" );
QRegExp unifiedRE( "^--- [^\\t]+\\t" );
QRegExp contextRE( "^\\*\\*\\* [^\\t]+\\t" );
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() )
{
if( (*it).find( normalRE, 0 ) == 0 )
{
// kdDebug(8101) << "Difflines are from a Normal diff..." << endl;
return Kompare::Normal;
}
else if( (*it).find( unifiedRE, 0 ) == 0 )
{
// kdDebug(8101) << "Difflines are from a Unified diff..." << endl;
return Kompare::Unified;
}
else if( (*it).find( contextRE, 0 ) == 0 )
{
// kdDebug(8101) << "Difflines are from a Context diff..." << endl;
return Kompare::Context;
}
else if( (*it).find( rcsRE, 0 ) == 0 )
{
// kdDebug(8101) << "Difflines are from a RCS diff..." << endl;
return Kompare::RCS;
}
else if( (*it).find( edRE, 0 ) == 0 )
{
// kdDebug(8101) << "Difflines are from an ED diff..." << endl;
return Kompare::Ed;
}
++it;
}
// kdDebug(8101) << "Difflines are from an unknown diff..." << endl;
return Kompare::UnknownFormat;
}
bool CVSDiffParser::parseNormalDiffHeader()
{
kdDebug(8101) << "CVSDiffParser::parseNormalDiffHeader()" << endl;
bool result = false;
QStringList::ConstIterator diffEnd = m_diffLines.end();
while ( m_diffIterator != diffEnd )
{
if ( m_normalDiffHeader.exactMatch( *m_diffIterator ) )
{
kdDebug(8101) << "Matched length Header = " << m_normalDiffHeader.matchedLength() << endl;
kdDebug(8101) << "Matched string Header = " << m_normalDiffHeader.cap( 0 ) << endl;
m_currentModel = new DiffModel();
QObject::connect( m_currentModel, SIGNAL( setModified( bool ) ), m_list, SLOT( slotSetModified( bool ) ) );
m_currentModel->setSourceFile ( m_normalDiffHeader.cap( 1 ) );
m_currentModel->setDestinationFile ( m_normalDiffHeader.cap( 1 ) );
result = true;
++m_diffIterator;
break;
}
else
{
kdDebug(8101) << "No match for: " << ( *m_diffIterator ) << endl;
}
++m_diffIterator;
}
if ( result == false )
{
// Set this to the first line again and hope it is a single file diff
m_diffIterator = m_diffLines.begin();
m_currentModel = new DiffModel();
QObject::connect( m_currentModel, SIGNAL( setModified( bool ) ), m_list, SLOT( slotSetModified( bool ) ) );
m_singleFileDiff = true;
}
return result;
}
bool CVSDiffParser::parseEdDiffHeader()
{
return false;
}
bool CVSDiffParser::parseRCSDiffHeader()
{
return false;
}
bool CVSDiffParser::parseEdHunkHeader()
{
return false;
}
bool CVSDiffParser::parseRCSHunkHeader()
{
return false;
}
bool CVSDiffParser::parseEdHunkBody()
{
return false;
}
bool CVSDiffParser::parseRCSHunkBody()
{
return false;
}