metatranslator.cpp

qt-x11-opensource-src-4.1.4.tar.gz源码

    TranslatorMessage::operator=( m );
    utfeight = m.utfeight;
    ty = m.ty;
    return *this;
}

bool MetaTranslatorMessage::operator==( const MetaTranslatorMessage& m ) const
{
    return qstrcmp( context(), m.context() ) == 0 &&
           qstrcmp( sourceText(), m.sourceText() ) == 0 &&
           qstrcmp( comment(), m.comment() ) == 0;
}

bool MetaTranslatorMessage::operator<( const MetaTranslatorMessage& m ) const
{
    int delta = qstrcmp( context(), m.context() );
    if ( delta == 0 )
        delta = qstrcmp( sourceText(), m.sourceText() );
    if ( delta == 0 )
        delta = qstrcmp( comment(), m.comment() );
    return delta < 0;
}

MetaTranslator::MetaTranslator()
{
    clear();
}

MetaTranslator::MetaTranslator( const MetaTranslator& tor )
    : mm( tor.mm ), codecName( tor.codecName ), codec( tor.codec )
{
}

MetaTranslator& MetaTranslator::operator=( const MetaTranslator& tor )
{
    mm = tor.mm;
    codecName = tor.codecName;
    codec = tor.codec;
    return *this;
}

void MetaTranslator::clear()
{
    mm.clear();
    codecName = "ISO-8859-1";
    codec = 0;
}

bool MetaTranslator::load( const QString& filename )
{
    QFile f( filename );
    if ( !f.open(QIODevice::ReadOnly) )
        return false;

    QXmlInputSource in( &f );
    QXmlSimpleReader reader;
    reader.setFeature( "http://xml.org/sax/features/namespaces", false );
    reader.setFeature( "http://xml.org/sax/features/namespace-prefixes", true );
    reader.setFeature( "http://trolltech.com/xml/features/report-whitespace"
                       "-only-CharData", false );
    QXmlDefaultHandler *hand = new TsHandler( this );
    reader.setContentHandler( hand );
    reader.setErrorHandler( hand );

    bool ok = reader.parse( in );
    reader.setContentHandler( 0 );
    reader.setErrorHandler( 0 );
    delete hand;
    f.close();
    return ok;
}

bool MetaTranslator::save( const QString& filename ) const
{
    QFile f( filename );
    if ( !f.open(QIODevice::WriteOnly) )
        return false;

    QTextStream t( &f );
    t.setCodec( QTextCodec::codecForName("ISO-8859-1") );

    t << "<!DOCTYPE TS><TS>\n";
    if ( codecName != "ISO-8859-1" )
        t << "<defaultcodec>" << codecName << "</defaultcodec>\n";
    TMM::ConstIterator m = mm.begin();
    while ( m != mm.end() ) {
        TMMInv inv;
        TMMInv::Iterator i;
        bool contextIsUtf8 = m.key().utf8();
        QByteArray context = m.key().context();
        QByteArray comment = "";

        do {
            if (QByteArray(m.key().sourceText()) == ContextComment) {
                if ( m.key().type() != MetaTranslatorMessage::Obsolete ) {
                    contextIsUtf8 = m.key().utf8();
                    comment = QByteArray(m.key().comment());
                }
            } else {
                inv.insert( *m, m.key() );
            }
        } while ( ++m != mm.end() && QByteArray(m.key().context()) == context );

        t << "<context";
        if ( contextIsUtf8 )
            t << " encoding=\"UTF-8\"";
        t << ">\n";
        t << "    <name>" << evilBytes( context, contextIsUtf8 )
          << "</name>\n";
        if ( !comment.isEmpty() )
            t << "    <comment>" << evilBytes( comment, contextIsUtf8 )
              << "</comment>\n";

        for ( i = inv.begin(); i != inv.end(); ++i ) {
            MetaTranslatorMessage msg = *i;
            // no need for such noise
            if ( msg.type() == MetaTranslatorMessage::Obsolete && msg.translation().isEmpty() ) {
                continue;
            }

            t << "    <message";
            if ( msg.utf8() )
                t << " encoding=\"UTF-8\"";
            t << ">\n"
              << "        <source>" << evilBytes( (*i).sourceText(),
                                                  (*i).utf8() )
              << "</source>\n";
            if ( !QByteArray((*i).comment()).isEmpty() )
                t << "        <comment>" << evilBytes( (*i).comment(),
                                                       (*i).utf8() )
                  << "</comment>\n";
            t << "        <translation";
            if ( (*i).type() == MetaTranslatorMessage::Unfinished )
                t << " type=\"unfinished\"";
            else if ( (*i).type() == MetaTranslatorMessage::Obsolete )
                t << " type=\"obsolete\"";
            t << ">" << protect( (*i).translation().toUtf8() )
              << "</translation>\n";
            t << "    </message>\n";
        }
        t << "</context>\n";
    }
    t << "</TS>\n";
    f.close();
    return true;
}

bool MetaTranslator::release( const QString& filename, bool verbose,
                              bool ignoreUnfinished,
                              Translator::SaveMode mode ) const
{
    Translator tor( 0 );
    int finished = 0;
    int unfinished = 0;
    int untranslated = 0;
    TMM::ConstIterator m;

    for ( m = mm.begin(); m != mm.end(); ++m ) {
        MetaTranslatorMessage::Type typ = m.key().type();
        if ( typ != MetaTranslatorMessage::Obsolete ) {
            if ( typ == MetaTranslatorMessage::Unfinished ) {
                if ( m.key().translation().isEmpty() ) {
                    untranslated++;
                } else {
                    unfinished++;
                }
            } else {
                finished++;
            }

            QByteArray context = m.key().context();
            QByteArray sourceText = m.key().sourceText();
            QByteArray comment = m.key().comment();
            QString translation = m.key().translation();

            if ( !ignoreUnfinished
                 || typ != MetaTranslatorMessage::Unfinished ) {
                /*
                  Drop the comment in (context, sourceText, comment),
                  unless the context is empty,
                  unless (context, sourceText, "") already exists or
                  unless we already dropped the comment of (context,
                  sourceText, comment0).
                */
                if ( comment.isEmpty()
                     || context.isEmpty()
                     || contains(context, sourceText, "")
                     || !tor.findMessage(context, sourceText, "").translation()
                            .isNull() ) {
                    tor.insert( m.key() );
                } else {
                    tor.insert( TranslatorMessage(context, sourceText, "",
                                                   translation) );
                }
            }
        }
    }

    bool saved = tor.save( filename, mode );
    if ( saved && verbose ) {
        int generatedCount = finished + unfinished;
        fprintf( stderr,
            "    Generated %d translation%s (%d finished and %d unfinished)\n",
                generatedCount, generatedCount == 1 ? "" : "s", finished, unfinished);
        if (untranslated)
            fprintf( stderr, "    Ignored %d untranslated source text%s\n", 
                untranslated, untranslated == 1 ? "" : "s");

    }

    return saved;
}

bool MetaTranslator::contains( const char *context, const char *sourceText,
                               const char *comment ) const
{
    return mm.contains(MetaTranslatorMessage(context, sourceText, comment));
}

void MetaTranslator::insert( const MetaTranslatorMessage& m )
{
    int pos = mm.count();
    if (mm.contains(m)) {
        pos = mm.value(m);
        mm.remove(m);
    }
    mm.insert(m, pos);
}

void MetaTranslator::stripObsoleteMessages()
{
    TMM newmm;
    TMM::Iterator m = mm.begin();
    while ( m != mm.end() ) {
        if ( m.key().type() != MetaTranslatorMessage::Obsolete )
            newmm.insert( m.key(), *m );
        ++m;
    }
    mm = newmm;
}

void MetaTranslator::stripEmptyContexts()
{
    TMM newmm;

    TMM::Iterator m = mm.begin();
    while ( m != mm.end() ) {
        if ( QByteArray(m.key().sourceText()) == ContextComment ) {
            TMM::Iterator n = m;
            ++n;
            // the context comment is followed by other messages
            if ( n != newmm.end() &&
                 qstrcmp(m.key().context(), n.key().context()) == 0 )
                newmm.insert( m.key(), *m );
        } else {
            newmm.insert( m.key(), *m );
        }
        ++m;
    }
    mm = newmm;
}

void MetaTranslator::setCodec( const char *name )
{
    const int latin1 = 4;

    codecName = name;
    codec = QTextCodec::codecForName( name );
    if ( codec == 0 || codec->mibEnum() == latin1 )
        codec = 0;
}

QString MetaTranslator::toUnicode( const char *str, bool utf8 ) const
{
    if ( utf8 )
        return QString::fromUtf8( str );
    else if ( codec == 0 )
        return QString( str );
    else
        return codec->toUnicode( str );
}

QList<MetaTranslatorMessage> MetaTranslator::messages() const
{
    int n = mm.count();
    TMM::ConstIterator *t = new TMM::ConstIterator[n + 1];
    TMM::ConstIterator m;
    for ( m = mm.begin(); m != mm.end(); ++m )
        t[*m] = m;

    QList<MetaTranslatorMessage> val;
    for ( int i = 0; i < n; i++ )
        val.append( t[i].key() );

    delete[] t;
    return val;
}

QList<MetaTranslatorMessage> MetaTranslator::translatedMessages() const
{
    QList<MetaTranslatorMessage> val;
    TMM::ConstIterator m;
    for ( m = mm.begin(); m != mm.end(); ++m ) {
        if ( m.key().type() == MetaTranslatorMessage::Finished )
            val.append( m.key() );
    }
    return val;
}