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k3b/libk3b/projects/datacd/k3bmkisofshandler.cpp

151 lines
4.5 KiB

/*
*
* $Id: k3bmkisofshandler.cpp 802340 2008-04-29 07:43:07Z trueg $
* Copyright (C) 2005 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.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.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3bmkisofshandler.h"
#include <k3bexternalbinmanager.h>
#include <k3bcore.h>
#include <k3bjob.h>
#include <kdebug.h>
#include <klocale.h>
#include <cmath>
class K3bMkisofsHandler::Private
{
public:
const K3bExternalBin* mkisofsBin;
double firstProgressValue;
bool readError;
};
K3bMkisofsHandler::K3bMkisofsHandler()
{
d = new Private;
d->mkisofsBin = 0;
}
K3bMkisofsHandler::~K3bMkisofsHandler()
{
delete d;
}
bool K3bMkisofsHandler::mkisofsReadError() const
{
return d->readError;
}
const K3bExternalBin* K3bMkisofsHandler::initMkisofs()
{
d->mkisofsBin = k3bcore->externalBinManager()->binObject( "mkisofs" );
if( d->mkisofsBin ) {
if( !d->mkisofsBin->copyright.isEmpty() )
handleMkisofsInfoMessage( i18n("Using %1 %2 - Copyright (C) %3")
.tqarg("mkisofs").tqarg(d->mkisofsBin->version).tqarg(d->mkisofsBin->copyright),
K3bJob::INFO );
d->firstProgressValue = -1;
d->readError = false;
}
else {
kdDebug() << "(K3bMkisofsHandler) could not find mkisofs executable" << endl;
handleMkisofsInfoMessage( i18n("Mkisofs executable not found."), K3bJob::ERROR );
}
return d->mkisofsBin;
}
void K3bMkisofsHandler::parseMkisofsOutput( const TQString& line )
{
if( !line.isEmpty() ) {
if( line.startsWith( d->mkisofsBin->path ) ) {
// error or warning
TQString errorLine = line.mid( d->mkisofsBin->path.length() + 2 );
if( errorLine.startsWith( "Input/output error. Cannot read from" ) ) {
handleMkisofsInfoMessage( i18n("Read error from file '%1'").tqarg( errorLine.mid( 38, errorLine.length()-40 ) ),
K3bJob::ERROR );
d->readError = true;
}
else if( errorLine.startsWith( "Value too large for defined data type" ) ) {
handleMkisofsInfoMessage( i18n("Used version of mkisofs does not have large file support."), K3bJob::ERROR );
handleMkisofsInfoMessage( i18n("Files bigger than 2 GB cannot be handled."), K3bJob::ERROR );
d->readError = true;
}
}
else if( line.contains( "done, estimate" ) ) {
int p = parseMkisofsProgress( line );
if( p != -1 )
handleMkisofsProgress( p );
}
else if( line.contains( "extents written" ) ) {
handleMkisofsProgress( 100 );
}
else if( line.startsWith( "Incorrectly encoded string" ) ) {
handleMkisofsInfoMessage( i18n("Encountered an incorrectly encoded filename '%1'")
.tqarg(line.section( TQRegExp("[\\(\\)]"), 1, 1 )), K3bJob::ERROR );
handleMkisofsInfoMessage( i18n("This may be caused by a system update which changed the local character set."), K3bJob::ERROR );
handleMkisofsInfoMessage( i18n("You may use convmv (http://j3e.de/linux/convmv/) to fix the filename encoding."), K3bJob::ERROR );
d->readError = true;
}
else if( line.endsWith( "has not an allowable size." ) ) {
handleMkisofsInfoMessage( i18n("The boot image has an invalid size."), K3bJob::ERROR );
d->readError = true;
}
else if( line.endsWith( "has multiple partitions." ) ) {
handleMkisofsInfoMessage( i18n("The boot image contains multiple partitions.."), K3bJob::ERROR );
handleMkisofsInfoMessage( i18n("A hard-disk boot image has to contain a single partition."), K3bJob::ERROR );
d->readError = true;
}
else {
kdDebug() << "(mkisofs) " << line << endl;
}
}
}
int K3bMkisofsHandler::parseMkisofsProgress( const TQString& line )
{
//
// in multisession mode mkisofs' progress does not start at 0 but at (X+Y)/X
// where X is the data already on the cd and Y the data to create
// This is not very dramatic but kind or ugly.
// We just save the first emitted progress value and to some math ;)
//
TQString perStr = line;
perStr.truncate( perStr.find('%') );
bool ok;
double p = perStr.toDouble( &ok );
if( !ok ) {
kdDebug() << "(K3bMkisofsHandler) Parsing did not work for " << perStr << endl;
return -1;
}
else {
if( d->firstProgressValue < 0 )
d->firstProgressValue = p;
return( (int)::ceil( (p - d->firstProgressValue)*100.0/(100.0 - d->firstProgressValue) ) );
}
}