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/***************************************************************************
kompareprocess.cpp - description
-------------------
begin : Sun Mar 4 2001
copyright : (C) 2001-2003 by Otto Bruggeman
and John Firebaugh
(C) 2007 Kevin Kofler
email : otto.bruggeman@home.nl
jfirebaugh@kde.org
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 <tqdir.h>
#include <tqstringlist.h>
#include <tqtextcodec.h>
#include <kcharsets.h>
#include <kdebug.h>
#include <tdeglobal.h>
#include "diffsettings.h"
#include "kompareprocess.h"
KompareProcess::KompareProcess( DiffSettings* diffSettings, enum Kompare::DiffMode mode, TQString source, TQString destination, TQString dir )
: TDEProcess(),
m_diffSettings( diffSettings ),
m_mode( mode ),
m_textDecoder( 0 )
{
setUseShell( true );
// connect the stdout and stderr signals
connect( this, TQT_SIGNAL( receivedStdout( TDEProcess*, char*, int ) ),
TQT_SLOT ( slotReceivedStdout( TDEProcess*, char*, int ) ) );
connect( this, TQT_SIGNAL( receivedStderr( TDEProcess*, char*, int ) ),
TQT_SLOT ( slotReceivedStderr( TDEProcess*, char*, int ) ) );
// connect the signal that indicates that the proces has exited
connect( this, TQT_SIGNAL( processExited( TDEProcess* ) ),
TQT_SLOT ( slotProcessExited( TDEProcess* ) ) );
*this << "LANG=C";
// Write command and options
if( m_mode == Kompare::Default )
{
writeDefaultCommandLine();
}
else
{
writeCommandLine();
}
if( !dir.isEmpty() ) {
TQDir::setCurrent( dir );
}
// Write file names
*this << "--";
*this << TDEProcess::quote( constructRelativePath( dir, source ) );
*this << TDEProcess::quote( constructRelativePath( dir, destination ) );
}
void KompareProcess::writeDefaultCommandLine()
{
if ( !m_diffSettings || m_diffSettings->m_diffProgram.isEmpty() )
{
*this << "diff" << "-dr";
}
else
{
*this << m_diffSettings->m_diffProgram << "-dr";
}
*this << "-U" << TQString::number( m_diffSettings->m_linesOfContext );
}
void KompareProcess::writeCommandLine()
{
// load the executable into the TDEProcess
if ( m_diffSettings->m_diffProgram.isEmpty() )
{
kdDebug(8101) << "Using the first diff in the path..." << endl;
*this << "diff";
}
else
{
kdDebug(8101) << "Using a user specified diff, namely: " << m_diffSettings->m_diffProgram << endl;
*this << m_diffSettings->m_diffProgram;
}
switch( m_diffSettings->m_format ) {
case Kompare::Unified :
*this << "-U" << TQString::number( m_diffSettings->m_linesOfContext );
break;
case Kompare::Context :
*this << "-C" << TQString::number( m_diffSettings->m_linesOfContext );
break;
case Kompare::RCS :
*this << "-n";
break;
case Kompare::Ed :
*this << "-e";
break;
case Kompare::SideBySide:
*this << "-y";
break;
case Kompare::Normal :
case Kompare::UnknownFormat :
default:
break;
}
if ( m_diffSettings->m_largeFiles )
{
*this << "-H";
}
if ( m_diffSettings->m_ignoreWhiteSpace )
{
*this << "-b";
}
if ( m_diffSettings->m_ignoreAllWhiteSpace )
{
*this << "-w";
}
if ( m_diffSettings->m_ignoreEmptyLines )
{
*this << "-B";
}
if ( m_diffSettings->m_ignoreChangesDueToTabExpansion )
{
*this << "-E";
}
if ( m_diffSettings->m_createSmallerDiff )
{
*this << "-d";
}
if ( m_diffSettings->m_ignoreChangesInCase )
{
*this << "-i";
}
if ( m_diffSettings->m_ignoreRegExp && !m_diffSettings->m_ignoreRegExpText.isEmpty() )
{
*this << "-I " << TDEProcess::quote( m_diffSettings->m_ignoreRegExpText );
}
if ( m_diffSettings->m_showCFunctionChange )
{
*this << "-p";
}
if ( m_diffSettings->m_convertTabsToSpaces )
{
*this << "-t";
}
if ( m_diffSettings->m_recursive )
{
*this << "-r";
}
if ( m_diffSettings->m_newFiles )
{
*this << "-N";
}
// This option is more trouble than it is worth... please do not ever enable it unless you want really weird crashes
// if ( m_diffSettings->m_allText )
// {
// *this << "-a";
// }
if ( m_diffSettings->m_excludeFilePattern )
{
TQStringList::ConstIterator it = m_diffSettings->m_excludeFilePatternList.begin();
TQStringList::ConstIterator end = m_diffSettings->m_excludeFilePatternList.end();
for ( ; it != end; ++it )
{
*this << "-x" << TDEProcess::quote( *it );
}
}
if ( m_diffSettings->m_excludeFilesFile && !m_diffSettings->m_excludeFilesFileURL.isEmpty() )
{
*this << "-X" << TDEProcess::quote( m_diffSettings->m_excludeFilesFileURL );
}
}
KompareProcess::~KompareProcess()
{
}
void KompareProcess::setEncoding( const TQString& encoding )
{
if ( encoding.lower() == "default" )
{
m_textDecoder = TQTextCodec::codecForLocale()->makeDecoder();
}
else
{
TQTextCodec* textCodec = TDEGlobal::charsets()->codecForName( encoding.latin1() );
if ( textCodec )
m_textDecoder = textCodec->makeDecoder();
else
{
kdDebug(8101) << "Using locale codec as backup..." << endl;
textCodec = TQTextCodec::codecForLocale();
m_textDecoder = textCodec->makeDecoder();
}
}
}
void KompareProcess::slotReceivedStdout( TDEProcess* /* process */, char* buffer, int length )
{
// add all output to m_stdout
if ( m_textDecoder )
m_stdout += m_textDecoder->toUnicode( buffer, length );
else
kdDebug(8101) << "KompareProcess::slotReceivedStdout : No decoder !!!" << endl;
}
void KompareProcess::slotReceivedStderr( TDEProcess* /* process */, char* buffer, int length )
{
// add all output to m_stderr
if ( m_textDecoder )
m_stderr += m_textDecoder->toUnicode( buffer, length );
else
kdDebug(8101) << "KompareProcess::slotReceivedStderr : No decoder !!!" << endl;
}
bool KompareProcess::start()
{
#ifndef NDEBUG
TQString cmdLine;
TQValueList<TQCString>::ConstIterator it = arguments.begin();
for (; it != arguments.end(); ++it )
cmdLine += "\"" + (*it) + "\" ";
kdDebug(8101) << cmdLine << endl;
#endif
return( TDEProcess::start( TDEProcess::NotifyOnExit, TDEProcess::AllOutput ) );
}
void KompareProcess::slotProcessExited( TDEProcess* /* proc */ )
{
// exit status of 0: no differences
// 1: some differences
// 2: error but there may be differences !
kdDebug(8101) << "Exited with exit status : " << exitStatus() << endl;
emit diffHasFinished( normalExit() && exitStatus() != 0 );
}
#include "kompareprocess.moc"
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