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calamares/lang/txload.cpp
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237
calamares/lang/txload.cpp
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/* === This file is part of Calamares - <https://calamares.io> ===
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*
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* SPDX-FileCopyrightText: 2018 Adriaan de Groot <groot@kde.org>
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* Calamares is Free Software: see the License-Identifier above.
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*
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*/
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/*
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* Tool to find differences between translations (can be used to help
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* merging them into one). See usage string, below, for details.
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*
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* The tool can be used when there are multiple translation files
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* for a single language (e.g. Spanish) which need to be reconciled.
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* Then running `txload file0.ts file1.ts ...` will produce a
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* human-readable overview of what is translated and where the
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* differences in translation are.
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*/
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#include "compat/Xml.h"
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#include <QCoreApplication>
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#include <QDebug>
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#include <QFile>
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// #include <QList>
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#include <QDomDocument>
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static const char usage[] = "Usage: txload <origin> [<alternate> ...]\n"
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"\n"
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"Reads a .ts source file <origin> and zero or more .ts <alternate>\n"
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"files, and does a comparison between the translations. Source (English)\n"
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"strings that are untranslated are flagged in each of the translation\n"
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"files, while differences in the translations are themselves also shown.\n"
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"\n"
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"Outputs to stdout a human-readable list of differences between the\n"
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"translations.\n";
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bool
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load_file( const char* filename, QDomDocument& doc )
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{
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QFile file( filename );
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if ( !file.open( QIODevice::ReadOnly ) )
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{
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qDebug() << "Could not open" << filename;
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return false;
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}
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QByteArray ba( file.read( 1024 * 1024 ) );
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qDebug() << "Read" << ba.length() << "bytes from" << filename;
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auto p = Calamares::setXmlContent( doc, ba );
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if ( !p.errorMessage.isEmpty() )
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{
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qDebug() << "Could not read" << filename << ':' << p.errorLine << ':' << p.errorColumn << ' ' << p.errorMessage;
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file.close();
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return false;
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}
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file.close();
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return true;
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}
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QDomElement
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find_context( QDomDocument& doc, const QString& name )
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{
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QDomElement top = doc.documentElement();
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QDomNode n = top.firstChild();
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while ( !n.isNull() )
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{
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if ( n.isElement() )
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{
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QDomElement e = n.toElement();
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if ( ( e.tagName() == "context" ) && ( e.firstChildElement( "name" ).text() == name ) )
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{
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return e;
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}
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}
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n = n.nextSibling();
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}
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return QDomElement();
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}
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QDomElement
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find_message( QDomElement& context, const QString& source )
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{
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QDomNode n = context.firstChild();
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while ( !n.isNull() )
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{
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if ( n.isElement() )
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{
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QDomElement e = n.toElement();
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if ( e.tagName() == "message" )
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{
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QString msource = e.firstChildElement( "source" ).text();
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if ( msource == source )
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{
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return e;
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}
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}
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}
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n = n.nextSibling();
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}
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return QDomElement();
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}
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bool
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merge_into( QDomElement& origin, QDomElement& alternate )
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{
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QDomNode n = alternate.firstChild();
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while ( !n.isNull() )
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{
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if ( n.isElement() )
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{
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QDomElement alternateMessage = n.toElement();
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if ( alternateMessage.tagName() == "message" )
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{
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QString alternateSourceText = alternateMessage.firstChildElement( "source" ).text();
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QString alternateTranslationText = alternateMessage.firstChildElement( "translation" ).text();
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QDomElement originMessage = find_message( origin, alternateSourceText );
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if ( originMessage.isNull() )
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{
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qDebug() << "No origin translation for" << alternateSourceText;
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return false;
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}
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QString originSourceText = originMessage.firstChildElement( "source" ).text();
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QString originTranslationText = originMessage.firstChildElement( "translation" ).text();
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if ( alternateSourceText != originSourceText )
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{
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qDebug() << "Mismatch for messages\n" << alternateSourceText << '\n' << originSourceText;
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return false;
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}
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if ( !alternateTranslationText.isEmpty() && ( alternateTranslationText != originTranslationText ) )
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{
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qDebug() << "\n\n\nSource:" << alternateSourceText << "\nTL1:" << originTranslationText
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<< "\nTL2:" << alternateTranslationText;
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}
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}
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}
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n = n.nextSibling();
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}
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return true;
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}
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bool
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merge_into( QDomDocument& originDocument, QDomElement& context )
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{
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QDomElement name = context.firstChildElement( "name" );
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if ( name.isNull() )
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{
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return false;
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}
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QString contextname = name.text();
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QDomElement originContext = find_context( originDocument, contextname );
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if ( originContext.isNull() )
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{
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qDebug() << "Origin document has no context" << contextname;
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return false;
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}
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return merge_into( originContext, context );
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}
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bool
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merge_into( QDomDocument& originDocument, QDomDocument& alternateDocument )
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{
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QDomElement top = alternateDocument.documentElement();
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QDomNode n = top.firstChild();
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while ( !n.isNull() )
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{
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if ( n.isElement() )
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{
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QDomElement e = n.toElement();
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if ( e.tagName() == "context" )
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{
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if ( !merge_into( originDocument, e ) )
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{
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return false;
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}
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}
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}
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n = n.nextSibling();
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}
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return true;
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}
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int
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main( int argc, char** argv )
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{
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QCoreApplication a( argc, argv );
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if ( argc < 2 )
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{
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qWarning() << usage;
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return 1;
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}
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QDomDocument originDocument( "origin" );
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if ( !load_file( argv[ 1 ], originDocument ) )
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{
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return 1;
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}
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for ( int i = 2; i < argc; ++i )
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{
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QDomDocument alternateDocument( "alternate" );
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if ( !load_file( argv[ i ], alternateDocument ) )
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{
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return 1;
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}
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if ( !merge_into( originDocument, alternateDocument ) )
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{
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return 1;
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}
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}
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QString outfilename( argv[ 1 ] );
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outfilename.append( ".new" );
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QFile outfile( outfilename );
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if ( !outfile.open( QIODevice::WriteOnly ) )
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{
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qDebug() << "Could not open" << outfilename;
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return 1;
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}
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outfile.write( originDocument.toString( 4 ).toUtf8() );
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outfile.close();
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return 0;
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}
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