/* * This file is part of the PySide Tools project. * * Copyright (C) 1992-2006 Trolltech AS. All rights reserved. * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). * * Contact: PySide team * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * 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., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ #include "metatranslator.h" #include "simtexth.h" #include // defined in numberh.cpp extern int applyNumberHeuristic( MetaTranslator *tor ); // defined in sametexth.cpp extern int applySameTextHeuristic( MetaTranslator *tor ); typedef QList 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( const MetaTranslator *tor, const MetaTranslator *virginTor, MetaTranslator *outTor, bool verbose, bool noObsolete ) { int known = 0; int neww = 0; int obsoleted = 0; int UntranslatedObsoleted = 0; int similarTextHeuristicCount = 0; TML all = tor->messages(); TML::Iterator it; outTor->setLanguageCode(tor->languageCode()); /* 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::Finished; MetaTranslatorMessage m = *it; // skip context comment if ( !QByteArray(m.sourceText()).isEmpty() ) { MetaTranslatorMessage mv = virginTor->find(m.context(), m.sourceText(), m.comment()); if ( mv.isNull() ) { mv = virginTor->find(m.context(), m.comment(), m.fileName(), m.lineNumber()); if ( mv.isNull() ) { // did not find it in the virgin, mark it as obsolete newType = MetaTranslatorMessage::Obsolete; if ( m.type() != MetaTranslatorMessage::Obsolete ) obsoleted++; } else { // Do not just accept it if its on the same line number, but different source text. // Also check if the texts are more or less similar before we consider them to represent the same message... // ### The QString() cast is evil if (getSimilarityScore(QString(m.sourceText()), mv.sourceText()) >= textSimilarityThreshold) { // It is just slightly modified, assume that it is the same string m = MetaTranslatorMessage(m.context(), mv.sourceText(), m.comment(), m.fileName(), m.lineNumber(), m.translations()); m.setPlural(mv.isPlural()); // Mark it as unfinished. (Since the source text was changed it might require re-translating...) newType = MetaTranslatorMessage::Unfinished; ++similarTextHeuristicCount; } else { // The virgin and vernacular sourceTexts are so different that we could not find it. newType = MetaTranslatorMessage::Obsolete; if ( m.type() != MetaTranslatorMessage::Obsolete ) obsoleted++; } neww++; } } else { switch ( m.type() ) { case MetaTranslatorMessage::Finished: default: if (m.isPlural() == mv.isPlural()) { newType = MetaTranslatorMessage::Finished; } else { newType = MetaTranslatorMessage::Unfinished; } known++; break; case MetaTranslatorMessage::Unfinished: newType = MetaTranslatorMessage::Unfinished; known++; break; case MetaTranslatorMessage::Obsolete: newType = MetaTranslatorMessage::Unfinished; neww++; } // Always get the filename and linenumber info from the virgin Translator, in case it has changed location. // This should also enable us to read a file that does not have the element. m.setFileName(mv.fileName()); m.setLineNumber(mv.lineNumber()); m.setPlural(mv.isPlural()); // ### why not use operator=? } if (newType == MetaTranslatorMessage::Obsolete && !m.isTranslated()) { ++UntranslatedObsoleted; } m.setType(newType); outTor->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 ) { MetaTranslatorMessage mv = *it; bool found = tor->contains(mv.context(), mv.sourceText(), mv.comment()); if (!found) { MetaTranslatorMessage m = tor->find(mv.context(), mv.comment(), mv.fileName(), mv.lineNumber()); if (!m.isNull()) { if (getSimilarityScore(QString(m.sourceText()), mv.sourceText()) >= textSimilarityThreshold) { found = true; } } else { found = false; } } if ( !found ) { outTor->insert( mv ); if ( !QByteArray(mv.sourceText()).isEmpty() ) neww++; } } /* The same-text heuristic handles cases where a message has an obsolete counterpart with a different context or comment. */ int sameTextHeuristicCount = applySameTextHeuristic( outTor ); /* The number heuristic handles cases where a message has an obsolete counterpart with mostly numbers differing in the source text. */ int sameNumberHeuristicCount = applyNumberHeuristic( outTor ); if ( verbose ) { int totalFound = neww + known; fprintf( stderr, " Found %d source text%s (%d new and %d already existing)\n", totalFound, totalFound == 1 ? "" : "s", neww, known); if (obsoleted) { if (noObsolete) { fprintf( stderr, " Removed %d obsolete entr%s\n", obsoleted, obsoleted == 1 ? "y" : "ies" ); } else { int total = obsoleted - UntranslatedObsoleted; fprintf( stderr, " Kept %d obsolete translation%s\n", total, total == 1 ? "" : "s" ); fprintf( stderr, " Removed %d obsolete untranslated entr%s\n", UntranslatedObsoleted, UntranslatedObsoleted == 1 ? "y" : "ies" ); } } if (sameNumberHeuristicCount) fprintf( stderr, " Number heuristic provided %d translation%s\n", sameNumberHeuristicCount, sameNumberHeuristicCount == 1 ? "" : "s" ); if (sameTextHeuristicCount) fprintf( stderr, " Same-text heuristic provided %d translation%s\n", sameTextHeuristicCount, sameTextHeuristicCount == 1 ? "" : "s" ); if (similarTextHeuristicCount) fprintf( stderr, " Similar-text heuristic provided %d translation%s\n", similarTextHeuristicCount, similarTextHeuristicCount == 1 ? "" : "s" ); } }