metatranslator.cpp

Linux下的基于X11的图形开发环境。

    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()
    : codecName( "ISO-8859-1" ), codec( 0 )
{
}

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;
}

bool MetaTranslator::load( const QString& filename )
{
    mm.clear();

    QFile f( filename );
    if ( !f.open(IO_ReadOnly) )
	return FALSE;

    QTextStream t( &f );
    QXmlInputSource in( t );
    QXmlSimpleReader reader;
    // don't click on these!
    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();
    if ( !ok )
	mm.clear();
    return ok;
}

bool MetaTranslator::save( const QString& filename ) const
{
    QFile f( filename );
    if ( !f.open(IO_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();
	QCString context = m.key().context();
	QCString comment = "";

	do {
	    if ( QCString(m.key().sourceText()).isEmpty() ) {
		if ( m.key().type() != MetaTranslatorMessage::Obsolete ) {
		    contextIsUtf8 = m.key().utf8();
		    comment = QCString( m.key().comment() );
		}
	    } else {
		inv.insert( *m, m.key() );
	    }
	} while ( ++m != mm.end() && QCString(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 ) {
	    // no need for such noise
	    if ( (*i).type() == MetaTranslatorMessage::Obsolete &&
		 (*i).translation().isEmpty() )
		continue;

	    t << "    <message";
	    if ( (*i).utf8() )
		t << " encoding=\"UTF-8\"";
	    t << ">\n"
	      << "        <source>" << evilBytes( (*i).sourceText(),
						  (*i).utf8() )
	      << "</source>\n";
	    if ( !QCString((*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().utf8() )
	      << "</translation>\n";
	    t << "    </message>\n";
	}
	t << "</context>\n";
    }
    t << "</TS>\n";
    f.close();
    return TRUE;
}

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

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

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

		/*
		  Drop the comment in (context, sourceText, comment),
		  unless (context, sourceText, "") already exists, or
		  unless we already dropped the comment of (context,
		  sourceText, comment0).
		*/
		if ( comment.isEmpty()
		     || contains(context, sourceText, "")
		     || !tor.findMessage(context, sourceText, "").translation()
			    .isNull() ) {
		    tor.insert( m.key() );
		} else {
		    tor.insert( QTranslatorMessage(context, sourceText, "",
						   translation) );
		}
	    }
	}
    }

    bool saved = tor.save( filename, QTranslator::Stripped );
    if ( saved && verbose )
	fprintf( stderr,
		 " %d finished, %d unfinished and %d untranslated messages\n",
		 finished, unfinished, untranslated );
		
    return saved;
}

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

void MetaTranslator::insert( const MetaTranslatorMessage& m )
{
    int pos = mm.count();
    TMM::Iterator n = mm.find( m );
    if ( n != mm.end() )
	pos = *n;
    mm.replace( 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 ( QCString(m.key().sourceText()).isEmpty() ) {
	    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 );
}

QValueList<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;

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

    delete[] t;
    return val;
}

QValueList<MetaTranslatorMessage> MetaTranslator::translatedMessages() const
{
    QValueList<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;
}