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-rw-r--r--src/fileimporterbibutils.cpp296
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diff --git a/src/fileimporterbibutils.cpp b/src/fileimporterbibutils.cpp
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+/***************************************************************************
+ * Copyright (C) 2004-2009 by Thomas Fischer *
+ * [email protected] *
+ * *
+ * 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. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#include <stdio.h>
+
+#include <qfile.h>
+#include <qdir.h>
+#include <qprocess.h>
+#include <qstringlist.h>
+#include <qbuffer.h>
+#include <qwaitcondition.h>
+#include <qapplication.h>
+
+#include <file.h>
+#include <encoderlatex.h>
+#include "fileimporterbibutils.h"
+
+namespace BibTeX
+{
+
+ FileImporterBibUtils::FileImporterBibUtils( BibTeX::File::FileFormat inputFormat )
+ : FileImporter(), m_workingDir( createTempDir() ), m_inputFormat( inputFormat ), m_bibTeXImporter( new FileImporterBibTeX( false, "utf-8" ) )
+ {
+ m_processBuffer = new QBuffer();
+ }
+
+ FileImporterBibUtils::~FileImporterBibUtils()
+ {
+ delete m_processBuffer;
+ deleteTempDir( m_workingDir );
+ delete m_bibTeXImporter;
+ }
+
+ File* FileImporterBibUtils::load( QIODevice *iodevice )
+ {
+ m_cancelFlag = false;
+ if ( !iodevice->isReadable() )
+ {
+ qDebug( "iodevice is not readable" );
+ return NULL;
+ }
+ if ( !iodevice->isOpen() )
+ {
+ qDebug( "iodevice is not open" );
+ return NULL;
+ }
+
+ if ( !iodeviceToXMLbuffer( iodevice ) || m_cancelFlag )
+ return NULL;
+
+ return xmlBufferToBibTeXFile();
+ }
+
+ bool FileImporterBibUtils::guessCanDecode( const QString & text )
+ {
+ return guessInputFormat( text ) != BibTeX::File::formatUndefined;
+ }
+
+ File::FileFormat FileImporterBibUtils::guessInputFormat( const QString &text )
+ {
+ if ( text.find( "TY - " ) >= 0 )
+ return BibTeX::File::formatRIS;
+ else if ( text.find( "%A " ) >= 0 )
+ return BibTeX::File::formatEndNote;
+ else if ( text.find( "FN ISI Export Format" ) >= 0 )
+ return BibTeX::File::formatISI;
+ else
+ return BibTeX::File::formatUndefined;
+ }
+
+ void FileImporterBibUtils::cancel()
+ {
+ m_bibTeXImporter->cancel();
+ m_cancelFlag = true;
+ }
+
+ bool FileImporterBibUtils::iodeviceToXMLbuffer( QIODevice *iodevice )
+ {
+ QWaitCondition wc;
+
+ m_processBuffer->open( IO_WriteOnly );
+ m_process = NULL;
+ switch ( m_inputFormat )
+ {
+ case BibTeX::File::formatISI:
+ m_process = new QProcess( QStringList::split( ' ', "isi2xml -i utf8 -u" ) );
+ break;
+ case BibTeX::File::formatWordBib:
+ m_process = new QProcess( QStringList::split( ' ', "wordbib2xml -i utf8 -u" ) );
+ break;
+ case BibTeX::File::formatAds:
+ m_process = new QProcess( QStringList::split( ' ', "ads2xml -i utf8 -u" ) );
+ break;
+ case BibTeX::File::formatEndNote:
+ m_process = new QProcess( QStringList::split( ' ', "end2xml -i utf8 -u" ) );
+ break;
+ case BibTeX::File::formatEndNoteXML:
+ m_process = new QProcess( QStringList::split( ' ', "endx2xml -i utf8 -u" ) );
+ break;
+ case BibTeX::File::formatRIS:
+ m_process = new QProcess( QStringList::split( ' ', "ris2xml -i utf8 -u" ) );
+ break;
+ case BibTeX::File::formatMODS:
+ /* m_process = NULL; */
+ break;
+ default:
+ qDebug( "Cannot handle input format %i", m_inputFormat );
+ return false;
+ }
+
+ if ( m_process != NULL )
+ {
+ m_waiting = true;
+ connect( m_process, SIGNAL( processExited() ), this, SLOT( wakeUp() ) );
+ connect( m_process, SIGNAL( readyReadStdout() ), this, SLOT( slotReadyStdout() ) );
+ connect( m_process, SIGNAL( readyReadStderr() ), this, SLOT( slotReadyStderr() ) );
+
+ m_process->start();
+ if ( m_process->isRunning() )
+ {
+ QByteArray inData = iodevice->readAll();
+ m_process->writeToStdin( inData );
+ qApp->processEvents();
+ m_process->closeStdin();
+
+ int nothingHappens = 20;
+ while ( m_waiting )
+ {
+ wc.wait( 250 );
+ qApp->processEvents();
+ --nothingHappens;
+ }
+
+ if ( nothingHappens <= 0 )
+ m_process->kill();
+
+ if ( !m_process->normalExit() )
+ {
+ qDebug( "%s did not exit in a clean fashion", m_process->arguments()[0].latin1() );
+ delete m_process;
+ return false;
+ }
+ }
+ else
+ {
+ qDebug( "%s did not start", m_process->arguments()[0].latin1() );
+ delete m_process;
+ return false;
+ }
+ }
+ else
+ {
+ m_processBuffer->writeBlock( iodevice->readAll() );
+ }
+
+ m_processBuffer->close();
+
+ delete m_process;
+ return true;
+ }
+
+ BibTeX::File* FileImporterBibUtils::xmlBufferToBibTeXFile()
+ {
+ QWaitCondition wc;
+
+ m_waiting = true;
+ m_process = new QProcess( QStringList::split( ' ', "xml2bib -i utf8 -o utf8 -sk" ) );
+ connect( m_process, SIGNAL( processExited() ), this, SLOT( wakeUp() ) );
+ connect( m_process, SIGNAL( readyReadStdout() ), this, SLOT( slotReadyStdout() ) );
+ connect( m_process, SIGNAL( readyReadStderr() ), this, SLOT( slotReadyStderr() ) );
+
+ if ( m_process->start() )
+ {
+ QBuffer *tempBuffer = m_processBuffer;
+ m_processBuffer = new QBuffer();
+
+ tempBuffer->open( IO_ReadOnly );
+ m_process->writeToStdin( tempBuffer->readAll() );
+ qApp->processEvents();
+ m_process->closeStdin();
+ tempBuffer->close();
+
+ m_processBuffer->open( IO_WriteOnly );
+ int nothingHappens = 20;
+ while ( m_waiting )
+ {
+ wc.wait( 250 );
+ qApp->processEvents();
+ --nothingHappens;
+ }
+ m_processBuffer->close();
+
+ if ( nothingHappens <= 0 )
+ m_process->kill();
+
+ delete tempBuffer;
+
+ if ( ! m_process->normalExit() )
+ {
+ delete m_process;
+ return NULL;
+ }
+
+ m_processBuffer->open( IO_ReadOnly );
+ File *bibTeXFile = m_bibTeXImporter->load( m_processBuffer );
+ m_processBuffer->close();
+
+ delete m_process;
+ return bibTeXFile;
+ }
+ else
+ {
+ delete m_process;
+ return NULL;
+ }
+
+ delete m_process;
+ return NULL;
+ }
+
+ QString FileImporterBibUtils::createTempDir()
+ {
+ QString result = QString::null;
+ QFile *devrandom = new QFile( "/dev/random" );
+
+ if ( devrandom->open( IO_ReadOnly ) )
+ {
+ Q_UINT32 randomNumber;
+ if ( devrandom->readBlock(( char* ) & randomNumber, sizeof( randomNumber ) ) > 0 )
+ {
+ randomNumber |= 0x10000000;
+ result = QString( "/tmp/bibtex-%1" ).arg( randomNumber, sizeof( randomNumber ) * 2, 16 );
+ if ( !QDir().mkdir( result ) )
+ result = QString::null;
+ }
+ devrandom->close();
+ }
+
+ delete devrandom;
+
+ return result;
+ }
+
+ void FileImporterBibUtils::deleteTempDir( const QString& directory )
+ {
+ QDir dir = QDir( directory );
+ QStringList subDirs = dir.entryList( QDir::Dirs );
+ for ( QStringList::Iterator it = subDirs.begin(); it != subDirs.end(); it++ )
+ {
+ if (( QString::compare( *it, "." ) != 0 ) && ( QString::compare( *it, ".." ) != 0 ) )
+ deleteTempDir( *it );
+ }
+ QStringList allEntries = dir.entryList( QDir::All );
+ for ( QStringList::Iterator it = allEntries.begin(); it != allEntries.end(); it++ )
+ dir.remove( *it );
+
+ QDir().rmdir( directory );
+ }
+
+ void FileImporterBibUtils::wakeUp()
+ {
+ m_waiting = false;
+ }
+
+ void FileImporterBibUtils::slotReadyStdout()
+ {
+ m_processBuffer->writeBlock( m_process->readStdout() );
+ }
+
+ void FileImporterBibUtils::slotReadyStderr()
+ {
+ QByteArray ba = m_process->readStderr();
+ QTextStream bats( ba, IO_ReadOnly );
+ bats.setEncoding( QTextStream::UnicodeUTF8 );
+ qDebug( "%s", bats.read().latin1() );
+ }
+
+}
+#include "fileimporterbibutils.moc"
+
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