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Diffstat (limited to 'kompare/libdiff2/kompareprocess.cpp')
| -rw-r--r-- | kompare/libdiff2/kompareprocess.cpp | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/kompare/libdiff2/kompareprocess.cpp b/kompare/libdiff2/kompareprocess.cpp new file mode 100644 index 00000000..2d5eac00 --- /dev/null +++ b/kompare/libdiff2/kompareprocess.cpp @@ -0,0 +1,269 @@ +/*************************************************************************** + 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 <qdir.h> +#include <qstringlist.h> +#include <qtextcodec.h> + +#include <kcharsets.h> +#include <kdebug.h> +#include <kglobal.h> + +#include "diffsettings.h" +#include "kompareprocess.h" + +KompareProcess::KompareProcess( DiffSettings* diffSettings, enum Kompare::DiffMode mode, QString source, QString destination, QString dir ) + : KProcess(), + m_diffSettings( diffSettings ), + m_mode( mode ), + m_textDecoder( 0 ) +{ + setUseShell( true ); + + // connect the stdout and stderr signals + connect( this, SIGNAL( receivedStdout( KProcess*, char*, int ) ), + SLOT ( slotReceivedStdout( KProcess*, char*, int ) ) ); + connect( this, SIGNAL( receivedStderr( KProcess*, char*, int ) ), + SLOT ( slotReceivedStderr( KProcess*, char*, int ) ) ); + + // connect the signal that indicates that the proces has exited + connect( this, SIGNAL( processExited( KProcess* ) ), + SLOT ( slotProcessExited( KProcess* ) ) ); + + *this << "LANG=C"; + + // Write command and options + if( m_mode == Kompare::Default ) + { + writeDefaultCommandLine(); + } + else + { + writeCommandLine(); + } + + if( !dir.isEmpty() ) { + QDir::setCurrent( dir ); + } + + // Write file names + *this << "--"; + *this << KProcess::quote( constructRelativePath( dir, source ) ); + *this << KProcess::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" << QString::number( m_diffSettings->m_linesOfContext ); +} + +void KompareProcess::writeCommandLine() +{ + // load the executable into the KProcess + 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" << QString::number( m_diffSettings->m_linesOfContext ); + break; + case Kompare::Context : + *this << "-C" << QString::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 " << KProcess::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 ) + { + QStringList::ConstIterator it = m_diffSettings->m_excludeFilePatternList.begin(); + QStringList::ConstIterator end = m_diffSettings->m_excludeFilePatternList.end(); + for ( ; it != end; ++it ) + { + *this << "-x" << KProcess::quote( *it ); + } + } + + if ( m_diffSettings->m_excludeFilesFile && !m_diffSettings->m_excludeFilesFileURL.isEmpty() ) + { + *this << "-X" << KProcess::quote( m_diffSettings->m_excludeFilesFileURL ); + } +} + +KompareProcess::~KompareProcess() +{ +} + +void KompareProcess::setEncoding( const QString& encoding ) +{ + if ( encoding.lower() == "default" ) + { + m_textDecoder = QTextCodec::codecForLocale()->makeDecoder(); + } + else + { + QTextCodec* textCodec = KGlobal::charsets()->codecForName( encoding.latin1() ); + if ( textCodec ) + m_textDecoder = textCodec->makeDecoder(); + else + { + kdDebug(8101) << "Using locale codec as backup..." << endl; + textCodec = QTextCodec::codecForLocale(); + m_textDecoder = textCodec->makeDecoder(); + } + } +} + +void KompareProcess::slotReceivedStdout( KProcess* /* 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( KProcess* /* 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 + QString cmdLine; + QValueList<QCString>::ConstIterator it = arguments.begin(); + for (; it != arguments.end(); ++it ) + cmdLine += "\"" + (*it) + "\" "; + kdDebug(8101) << cmdLine << endl; +#endif + return( KProcess::start( KProcess::NotifyOnExit, KProcess::AllOutput ) ); +} + +void KompareProcess::slotProcessExited( KProcess* /* 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" + |