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tdesdk/kompare/libdiff2/diffmodel.cpp

410 lines
9.7 KiB

/***************************************************************************
diffmodel.cpp - description
-------------------
begin : Sun Mar 4 2001
copyright : (C) 2001-2004 Otto Bruggeman
(C) 2001-2003 John Firebaugh
email : otto.bruggeman@home.nl
jfirebaugh@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.
**
***************************************************************************/
#include <qregexp.h>
#include <qvaluelist.h>
#include <kdebug.h>
#include <klocale.h>
#include "difference.h"
#include "diffhunk.h"
#include "diffmodel.h"
using namespace Diff2;
/** */
DiffModel::DiffModel( const QString& source, const QString& destination ) :
m_source( source ),
m_destination( destination ),
m_sourcePath( "" ),
m_destinationPath( "" ),
m_sourceFile( "" ),
m_destinationFile( "" ),
m_sourceTimestamp( "" ),
m_destinationTimestamp( "" ),
m_sourceRevision( "" ),
m_destinationRevision( "" ),
m_appliedCount( 0 ),
m_modified( false ),
m_diffIndex( 0 ),
m_selectedDifference( 0 ),
m_blended( false )
{
splitSourceInPathAndFileName();
splitDestinationInPathAndFileName();
}
DiffModel::DiffModel() :
m_source( "" ),
m_destination( "" ),
m_sourcePath( "" ),
m_destinationPath( "" ),
m_sourceFile( "" ),
m_destinationFile( "" ),
m_sourceTimestamp( "" ),
m_destinationTimestamp( "" ),
m_sourceRevision( "" ),
m_destinationRevision( "" ),
m_appliedCount( 0 ),
m_modified( false ),
m_diffIndex( 0 ),
m_selectedDifference( 0 ),
m_blended( false )
{
}
/** */
DiffModel::~DiffModel()
{
}
void DiffModel::splitSourceInPathAndFileName()
{
int pos;
if( ( pos = m_source.findRev( "/" ) ) >= 0 )
m_sourcePath = m_source.mid( 0, pos+1 );
if( ( pos = m_source.findRev( "/" ) ) >= 0 )
m_sourceFile = m_source.mid( pos+1, m_source.length() - pos );
else
m_sourceFile = m_source;
kdDebug(8101) << m_source << " was split into " << m_sourcePath << " and " << m_sourceFile << endl;
}
void DiffModel::splitDestinationInPathAndFileName()
{
int pos;
if( ( pos = m_destination.findRev( "/" ) )>= 0 )
m_destinationPath = m_destination.mid( 0, pos+1 );
if( ( pos = m_destination.findRev( "/" ) ) >= 0 )
m_destinationFile = m_destination.mid( pos+1, m_destination.length() - pos );
else
m_destinationFile = m_source;
kdDebug(8101) << m_destination << " was split into " << m_destinationPath << " and " << m_destinationFile << endl;
}
DiffModel& DiffModel::operator=( const DiffModel& model )
{
if ( &model != this ) // Guard from self-assignment
{
m_source = model.m_source;
m_destination = model.m_destination;
m_sourcePath = model.m_sourcePath;
m_sourceFile = model.m_sourceFile;
m_sourceTimestamp = model.m_sourceTimestamp;
m_sourceRevision = model.m_sourceRevision;
m_destinationPath = model.m_destinationPath;
m_destinationFile = model.m_destinationFile;
m_destinationTimestamp = model.m_destinationTimestamp;
m_destinationRevision = model.m_destinationRevision;
m_appliedCount = model.m_appliedCount;
m_modified = model.m_modified;
m_diffIndex = model.m_diffIndex;
m_selectedDifference = model.m_selectedDifference;
}
return *this;
}
bool DiffModel::operator<( const DiffModel& model )
{
if ( localeAwareCompareSource( model ) < 0 )
return true;
return false;
}
int DiffModel::localeAwareCompareSource( const DiffModel& model )
{
int result = m_sourcePath.localeAwareCompare( model.m_sourcePath );
if ( result == 0 )
return m_sourceFile.localeAwareCompare( model.m_sourceFile );
return result;
}
QString DiffModel::recreateDiff() const
{
// For now we'll always return a diff in the diff format
QString diff;
// recreate header
QString tab = QString::fromLatin1( "\t" );
QString nl = QString::fromLatin1( "\n" );
diff += QString::fromLatin1( "--- %1\t%2" ).arg( m_source ).arg( m_sourceTimestamp );
if ( !m_sourceRevision.isEmpty() )
diff += tab + m_sourceRevision;
diff += nl;
diff += QString::fromLatin1( "+++ %1\t%2" ).arg( m_destination ).arg( m_destinationTimestamp );
if ( !m_destinationRevision.isEmpty() )
diff += tab + m_destinationRevision;
diff += nl;
// recreate body by iterating over the hunks
DiffHunkListConstIterator hunkIt = m_hunks.begin();
DiffHunkListConstIterator hEnd = m_hunks.end();
for ( ; hunkIt != hEnd; ++hunkIt )
{
if ((*hunkIt)->type() != DiffHunk::AddedByBlend)
diff += (*hunkIt)->recreateHunk();
}
return diff;
}
DifferenceList* DiffModel::allDifferences()
{
if ( m_hunks.count() != 0 )
{
DiffHunkListConstIterator hunkIt = m_hunks.begin();
DiffHunkListConstIterator hEnd = m_hunks.end();
for ( ; hunkIt != hEnd; ++hunkIt )
{
DiffHunk* hunk = *hunkIt;
DifferenceListConstIterator diffIt = hunk->differences().begin();
DifferenceListConstIterator dEnd = hunk->differences().end();
for ( ; diffIt != dEnd; ++diffIt )
{
m_allDifferences.append( *diffIt );
}
}
return &m_allDifferences;
}
else
{
DifferenceList *diffList = new DifferenceList;
return diffList;
}
}
Difference* DiffModel::firstDifference()
{
kdDebug( 8101 ) << "DiffModel::firstDifference()" << endl;
m_diffIndex = 0;
kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
m_selectedDifference = m_differences[ m_diffIndex ];
return m_selectedDifference;
}
Difference* DiffModel::lastDifference()
{
kdDebug( 8101 ) << "DiffModel::lastDifference()" << endl;
m_diffIndex = m_differences.count() - 1;
kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
m_selectedDifference = m_differences[ m_diffIndex ];
return m_selectedDifference;
}
Difference* DiffModel::prevDifference()
{
kdDebug( 8101 ) << "DiffModel::prevDifference()" << endl;
if ( --m_diffIndex < m_differences.count() )
{
kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
m_selectedDifference = m_differences[ m_diffIndex ];
}
else
{
m_selectedDifference = 0;
m_diffIndex = 0;
kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
}
return m_selectedDifference;
}
Difference* DiffModel::nextDifference()
{
kdDebug( 8101 ) << "DiffModel::nextDifference()" << endl;
if ( ++m_diffIndex < m_differences.count() )
{
kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
m_selectedDifference = m_differences[ m_diffIndex ];
}
else
{
m_selectedDifference = 0;
m_diffIndex = 0; // just for safety...
kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
}
return m_selectedDifference;
}
const QString DiffModel::sourceFile() const
{
return m_sourceFile;
}
const QString DiffModel::destinationFile() const
{
return m_destinationFile;
}
const QString DiffModel::sourcePath() const
{
return m_sourcePath;
}
const QString DiffModel::destinationPath() const
{
return m_destinationPath;
}
void DiffModel::setSourceFile( QString path )
{
m_source = path;
splitSourceInPathAndFileName();
}
void DiffModel::setDestinationFile( QString path )
{
m_destination = path;
splitDestinationInPathAndFileName();
}
void DiffModel::setSourceTimestamp( QString timestamp )
{
m_sourceTimestamp = timestamp;
}
void DiffModel::setDestinationTimestamp( QString timestamp )
{
m_destinationTimestamp = timestamp;
}
void DiffModel::setSourceRevision( QString revision )
{
m_destinationRevision = revision;
}
void DiffModel::setDestinationRevision( QString revision )
{
m_destinationRevision = revision;
}
void DiffModel::addHunk( DiffHunk* hunk )
{
m_hunks.append( hunk );
}
void DiffModel::addDiff( Difference* diff )
{
m_differences.append( diff );
}
void DiffModel::applyDifference( bool apply )
{
if ( apply && !m_selectedDifference->applied() )
m_appliedCount++;
else if ( !apply && m_selectedDifference->applied() )
m_appliedCount--;
bool modified;
// Not setting the m_modified yet so i can still query the current
// modified status from the slot that is connected to the signal
if ( m_appliedCount == 0 )
modified = false;
else
modified = true;
emit setModified( modified );
m_modified = modified;
m_selectedDifference->apply( apply );
}
void DiffModel::applyAllDifferences( bool apply )
{
bool modified;
// Not setting the m_modified yet so i can still query the current
// modified status from the slot that is connected to the signal
if ( apply )
{
m_appliedCount = m_differences.count();
modified = true;
}
else
{
m_appliedCount = 0;
modified = false;
}
emit setModified( modified );
m_modified = modified;
DifferenceListIterator diffIt = m_differences.begin();
DifferenceListIterator dEnd = m_differences.end();
for ( ; diffIt != dEnd; ++diffIt )
{
(*diffIt)->apply( apply );
}
}
void DiffModel::slotSetModified( bool modified )
{
// Not setting the m_modified yet so i can still query the current
// modified status from the slot that is connected to the signal
emit setModified( modified );
m_modified = modified;
}
bool DiffModel::setSelectedDifference( Difference* diff )
{
kdDebug(8101) << "diff = " << diff << endl;
kdDebug(8101) << "m_selectedDifference = " << m_selectedDifference << endl;
if ( diff != m_selectedDifference )
{
if ( ( m_differences.findIndex( diff ) ) == -1 )
return false;
// Dont set m_diffIndex if it cant be found
m_diffIndex = m_differences.findIndex( diff );
kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
m_selectedDifference = diff;
}
return true;
}
#include "diffmodel.moc"
/* vim: set ts=4 sw=4 noet: */