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/****************************************************************************
**
** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
**
** This file is part of the Qt Linguist of the Qt Toolkit.
**
** Licensees holding a valid Qt License Agreement may use this file in
** accordance with the rights, responsibilities and obligations
** contained therein. Please consult your licensing agreement or
** contact sales@trolltech.com if any conditions of this licensing
** agreement are not clear to you.
**
** Further information about Qt licensing is available at:
** http://www.trolltech.com/products/qt/licensing.html or by
** contacting info@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include <metatranslator.h>
#include <stdio.h>
// defined in numberh.cpp
extern void applyNumberHeuristic( MetaTranslator *tor, bool verbose );
// defined in sametexth.cpp
extern void applySameTextHeuristic( MetaTranslator *tor, bool verbose );
typedef QList<MetaTranslatorMessage> TML;
/*
Merges two MetaTranslator objects into the first one. The first one
is a set of source texts and translations for a previous version of
the internationalized program; the second one is a set of fresh
source texts newly extracted from the source code, without any
translation yet.
*/
void merge( MetaTranslator *tor, const MetaTranslator *virginTor, bool verbose )
{
int known = 0;
int neww = 0;
int obsoleted = 0;
TML all = tor->messages();
TML::Iterator it;
/*
The types of all the messages from the vernacular translator
are updated according to the virgin translator.
*/
for ( it = all.begin(); it != all.end(); ++it ) {
MetaTranslatorMessage::Type newType;
MetaTranslatorMessage m = *it;
// skip context comment
if ( !QByteArray((*it).sourceText()).isEmpty() ) {
if ( !virginTor->contains((*it).context(), (*it).sourceText(),
(*it).comment()) ) {
newType = MetaTranslatorMessage::Obsolete;
if ( m.type() != MetaTranslatorMessage::Obsolete )
obsoleted++;
} else {
switch ( m.type() ) {
case MetaTranslatorMessage::Finished:
default:
newType = MetaTranslatorMessage::Finished;
known++;
break;
case MetaTranslatorMessage::Unfinished:
newType = MetaTranslatorMessage::Unfinished;
known++;
break;
case MetaTranslatorMessage::Obsolete:
newType = MetaTranslatorMessage::Unfinished;
neww++;
}
}
if ( newType != m.type() ) {
m.setType( newType );
tor->insert( m );
}
}
}
/*
Messages found only in the virgin translator are added to the
vernacular translator. Among these are all the context comments.
*/
all = virginTor->messages();
for ( it = all.begin(); it != all.end(); ++it ) {
if ( !tor->contains((*it).context(), (*it).sourceText(),
(*it).comment()) ) {
tor->insert( *it );
if ( !QByteArray((*it).sourceText()).isEmpty() )
neww++;
}
}
/*
The same-text heuristic handles cases where a message has an
obsolete counterpart with a different context or comment.
*/
applySameTextHeuristic( tor, verbose );
/*
The number heuristic handles cases where a message has an
obsolete counterpart with mostly numbers differing in the
source text.
*/
applyNumberHeuristic( tor, verbose );
if ( verbose )
fprintf( stderr, " %d known, %d new, and %d obsoleted messages\n", known,
neww, obsoleted );
}
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