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authorSlávek Banko <slavek.banko@axis.cz>2013-06-24 02:08:15 +0200
committerSlávek Banko <slavek.banko@axis.cz>2013-07-04 02:44:37 +0200
commit998f21e02a725cd553d7c278819f67cd81295af4 (patch)
tree4bd158018e9302c31367b00c01cd2b41eb228414 /src/fileexporterexternal.cpp
downloadkbibtex-998f21e02a725cd553d7c278819f67cd81295af4.tar.gz
kbibtex-998f21e02a725cd553d7c278819f67cd81295af4.zip
Initial import
Diffstat (limited to 'src/fileexporterexternal.cpp')
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diff --git a/src/fileexporterexternal.cpp b/src/fileexporterexternal.cpp
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+/***************************************************************************
+* Copyright (C) 2004-2009 by Thomas Fischer *
+* fischer@unix-ag.uni-kl.de *
+* *
+* 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 <qprocess.h>
+#include <qwaitcondition.h>
+#include <qapplication.h>
+#include <qbuffer.h>
+
+#include <fileexporterbibtex.h>
+#include <settings.h>
+#include "fileexporterexternal.h"
+
+namespace BibTeX
+{
+
+ FileExporterExternal::FileExporterExternal( Exporter exporter, File::FileFormat fileformat )
+ : FileExporter(), writeTo( NULL ), m_exporter( exporter ), m_fileformat( fileformat )
+ {
+ wc = new QWaitCondition();
+ }
+
+ FileExporterExternal::~FileExporterExternal()
+ {
+ delete wc;
+ }
+
+ bool FileExporterExternal::save( QIODevice* iodevice, const File* bibtexfile, QStringList *errorLog )
+ {
+ m_mutex.lock();
+ QBuffer buffer;
+ buffer.open( IO_WriteOnly );
+ FileExporter * bibtexExporter = new FileExporterBibTeX();
+ bool result = bibtexExporter->save( &buffer, bibtexfile, errorLog );
+ buffer.close();
+ delete bibtexExporter;
+
+ if ( result )
+ result = generateOutput( buffer, iodevice );
+
+ m_mutex.unlock();
+ return result;
+ }
+
+ bool FileExporterExternal::save( QIODevice* iodevice, const Element* element, QStringList *errorLog )
+ {
+ m_mutex.lock();
+ QBuffer buffer;
+ buffer.open( IO_WriteOnly );
+ FileExporter * bibtexExporter = new FileExporterBibTeX();
+ bool result = bibtexExporter->save( &buffer, element, errorLog );
+ buffer.close();
+ delete bibtexExporter;
+
+ if ( result )
+ result = generateOutput( buffer, iodevice );
+
+ m_mutex.unlock();
+ return result;
+ }
+
+ bool FileExporterExternal::generateOutput( QBuffer &input, QIODevice *output )
+ {
+ bool result = FALSE;
+
+ QString commandLine;
+ switch ( m_fileformat )
+ {
+ case File::formatHTML:
+ switch ( m_exporter )
+ {
+ case exporterBibTeX2HTML:
+ commandLine = "bibtex2html -s plain -a";
+ break;
+ case exporterBib2XHTML:
+ commandLine = "bib2xhtml -s plain -u";
+ break;
+ case exporterBibConv:
+ commandLine = "bibconv -informat=bibtex -outformat=html";
+ break;
+ default:
+ return FALSE;
+ }
+ break;
+ default:
+ return FALSE;
+ }
+ QStringList args = QStringList::split( ' ', commandLine );
+
+ writeTo = new QTextStream( output );
+ writeTo->setEncoding( QTextStream::UnicodeUTF8 );
+
+ QApplication::setOverrideCursor( Qt::waitCursor );
+
+ process = new QProcess( args );
+ connect( process, SIGNAL( processExited() ), this, SLOT( slotProcessExited() ) );
+ connect( process, SIGNAL( readyReadStdout() ), this, SLOT( slotReadProcessOutput() ) );
+ connect( process, SIGNAL( readyReadStderr() ), this, SLOT( slotReadProcessOutput() ) );
+ connect( process, SIGNAL( wroteToStdin() ), this, SLOT( slotWroteToStdin() ) );
+
+ if ( process->start() )
+ {
+ while ( !process->isRunning() )
+ {
+ wc->wait( 250 );
+ qApp->processEvents();
+ }
+ qApp->processEvents();
+ input.open( IO_ReadOnly );
+ QByteArray buf = input.buffer();
+ // qDebug( "buf.size=%i", buf.size() );
+ process->writeToStdin( buf );
+ input.close();
+ qApp->processEvents();
+ while ( process->isRunning() )
+ {
+ wc->wait( 250 );
+ qApp->processEvents();
+ }
+
+ result = process->normalExit();
+ }
+
+ disconnect( process, SIGNAL( wroteToStdin() ), this, SLOT( slotWroteToStdin() ) );
+ disconnect( process, SIGNAL( readyReadStdout() ), this, SLOT( slotReadProcessOutput() ) );
+ disconnect( process, SIGNAL( readyReadStderr() ), this, SLOT( slotReadProcessOutput() ) );
+ disconnect( process, SIGNAL( processExited() ), this, SLOT( slotProcessExited() ) );
+ delete( process );
+ process = NULL;
+ delete writeTo;
+ writeTo = NULL;
+
+ QApplication::restoreOverrideCursor();
+ return result;
+ }
+
+ void FileExporterExternal::slotProcessExited()
+ {
+ wc->wakeAll();
+ }
+
+ void FileExporterExternal::slotReadProcessOutput()
+ {
+ if ( writeTo != NULL )
+ while ( process->canReadLineStdout() )
+ {
+ QString line = process->readLineStdout();
+ // qDebug( "line=%s", line.latin1() );
+ ( *writeTo ) << line.latin1() << endl;
+ }
+ // while ( process->canReadLineStderr() )
+ // {
+ // QString line = process->readLineStderr();
+ // qDebug( "stderr=%s", line.latin1() );
+ // }
+ }
+
+ void FileExporterExternal::slotWroteToStdin()
+ {
+ process->closeStdin();
+ }
+}
+
+#include "fileexporterexternal.moc"