resource.cpp

这个是Linux的qt源代码

	forwards = forwards.nextSibling().toElement();

    QDomElement includes = e;
    while ( includes.tagName() != "includes" && !includes.isNull() )
	includes = includes.nextSibling().toElement();

    QDomElement variables = e;
    while ( variables.tagName() != "variables" && !variables.isNull() )
	variables = variables.nextSibling().toElement();

    QDomElement signals = e;
    while ( signals.tagName() != "signals" && !signals.isNull() )
	signals = signals.nextSibling().toElement();

    QDomElement slots = e;
    while ( slots.tagName() != "slots" && !slots.isNull() )
	slots = slots.nextSibling().toElement();

    QDomElement functions = e;
    while ( functions.tagName() != "functions" && !functions.isNull() )
	functions = functions.nextSibling().toElement();

    QDomElement connections = e;
    while ( connections.tagName() != "connections" && !connections.isNull() )
	connections = connections.nextSibling().toElement();

    QDomElement imageCollection = e;
    images.clear();
    while ( imageCollection.tagName() != "images" && !imageCollection.isNull() )
	imageCollection = imageCollection.nextSibling().toElement();

    QDomElement customWidgets = e;
    while ( customWidgets.tagName() != "customwidgets" && !customWidgets.isNull() )
	customWidgets = customWidgets.nextSibling().toElement();

    QDomElement tabOrder = e;
    while ( tabOrder.tagName() != "tabstops" && !tabOrder.isNull() )
	tabOrder = tabOrder.nextSibling().toElement();

    QDomElement actions = e;
    while ( actions.tagName() != "actions" && !actions.isNull() )
	actions = actions.nextSibling().toElement();

    QDomElement toolbars = e;
    while ( toolbars.tagName() != "toolbars" && !toolbars.isNull() )
	toolbars = toolbars.nextSibling().toElement();

    QDomElement menubar = e;
    while ( menubar.tagName() != "menubar" && !menubar.isNull() )
	menubar = menubar.nextSibling().toElement();

    QDomElement widget;
    while ( !e.isNull() ) {
	if ( e.tagName() == "widget" ) {
	    widgets.clear();
	    widget = e;
	} else if ( e.tagName() == "include" ) { // compatibility with 2.x
	    MetaDataBase::Include inc;
	    inc.location = "global";
	    if ( e.attribute( "location" ) == "local" )
		inc.location = "local";
	    inc.implDecl = "in declaration";
	    if ( e.attribute( "impldecl" ) == "in implementation" )
		inc.implDecl = "in implementation";
	    inc.header = e.firstChild().toText().data();
	    if ( inc.header.right( 5 ) != ".ui.h" ) {
		metaIncludes.append( inc );
	    } else {
		if ( formwindow->formFile() )
		    formwindow->formFile()->setCodeFileState( FormFile::Ok );
	    }
	} else if ( e.tagName() == "comment" ) {
	    metaInfo.comment = e.firstChild().toText().data();
	} else if ( e.tagName() == "forward" ) { // compatibility with old betas
	    metaForwards << e.firstChild().toText().data();
	} else if ( e.tagName() == "variable" ) { // compatibility with old betas
	    MetaDataBase::Variable v;
	    v.varName = e.firstChild().toText().data();
	    v.varAccess = "protected";
	    metaVariables << v;
	} else if ( e.tagName() == "author" ) {
	    metaInfo.author = e.firstChild().toText().data();
	} else if ( e.tagName() == "class" ) {
	    metaInfo.className = e.firstChild().toText().data();
	} else if ( e.tagName() == "pixmapfunction" ) {
	    if ( formwindow ) {
		formwindow->setSavePixmapInline( FALSE );
		formwindow->setSavePixmapInProject( FALSE );
		formwindow->setPixmapLoaderFunction( e.firstChild().toText().data() );
	    }
	} else if ( e.tagName() == "pixmapinproject" ) {
	    if ( formwindow ) {
		formwindow->setSavePixmapInline( FALSE );
		formwindow->setSavePixmapInProject( TRUE );
	    }
	} else if ( e.tagName() == "exportmacro" ) {
	    exportMacro = e.firstChild().toText().data();
	} else if ( e.tagName() == "layoutdefaults" ) {
	    formwindow->setLayoutDefaultSpacing( e.attribute( "spacing", QString::number( formwindow->layoutDefaultSpacing() ) ).toInt() );
	    formwindow->setLayoutDefaultMargin( e.attribute( "margin", QString::number( formwindow->layoutDefaultMargin() ) ).toInt() );
	} else if ( e.tagName() == "layoutfunctions" ) {
	    formwindow->setSpacingFunction( e.attribute( "spacing" ) );
	    formwindow->setMarginFunction( e.attribute( "margin" ) );
	    if ( !formwindow->marginFunction().isEmpty() || !formwindow->spacingFunction().isEmpty() )
		formwindow->hasLayoutFunctions( TRUE );
	}

	e = e.nextSibling().toElement();
    }

    if ( !imageCollection.isNull() )
	loadImageCollection( imageCollection );
    if ( !customWidgets.isNull() )
	loadCustomWidgets( customWidgets, this );

#if defined (QT_NON_COMMERCIAL)
    bool previewMode = MainWindow::self ? MainWindow::self->isPreviewing() : FALSE;
    QWidget *w = (QWidget*)createObject( widget, !previewMode ? (QWidget*)formwindow : MainWindow::self );
    if ( !w )
	return FALSE;
    if ( previewMode )
	w->reparent( MainWindow::self, Qt::WType_TopLevel,  w->pos(), TRUE );
#else
    if ( !createObject( widget, formwindow) )
	return FALSE;
#endif

    if ( !forwards.isNull() ) {
	for ( QDomElement n = forwards.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() )
	    if ( n.tagName() == "forward" )
		metaForwards << n.firstChild().toText().data();
    }

    if ( !includes.isNull() ) {
	for ( QDomElement n = includes.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() )
	    if ( n.tagName() == "include" ) {
		if ( n.tagName() == "include" ) {
		    MetaDataBase::Include inc;
		    inc.location = "global";
		    if ( n.attribute( "location" ) == "local" )
			inc.location = "local";
		    inc.implDecl = "in declaration";
		    if ( n.attribute( "impldecl" ) == "in implementation" )
			inc.implDecl = "in implementation";
		    inc.header = n.firstChild().toText().data();
		    if ( inc.header.right( 5 ) != ".ui.h" ) {
			metaIncludes.append( inc );
		    } else {
			if ( formwindow->formFile() )
			    formwindow->formFile()->setCodeFileState( FormFile::Ok );
		    }
		}
	    }
    }

    if ( !variables.isNull() ) {
	for ( QDomElement n = variables.firstChild().toElement(); !n.isNull();
	      n = n.nextSibling().toElement() ) {
	    if ( n.tagName() == "variable" ) {
		MetaDataBase::Variable v;
		v.varName = n.firstChild().toText().data();
		v.varAccess = n.attribute( "access", "protected" );
		if ( v.varAccess.isEmpty() )
		    v.varAccess = "protected";
		metaVariables << v;
	    }
	}
    }
    if ( !signals.isNull() ) {
	for ( QDomElement n = signals.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() )
	    if ( n.tagName() == "signal" )
		metaSignals << n.firstChild().toText().data();
    }
    if ( !slots.isNull() ) {
	for ( QDomElement n = slots.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() )
	    if ( n.tagName() == "slot" ) {
		MetaDataBase::Function function;
		function.specifier = n.attribute( "specifier", "virtual" );
		if ( function.specifier.isEmpty() )
		    function.specifier = "virtual";
		function.access = n.attribute( "access", "public" );
		if ( function.access.isEmpty() )
		    function.access = "public";
		function.language = n.attribute( "language", "C++" );
		function.returnType = n.attribute( "returnType", "void" );
		if ( function.returnType.isEmpty() )
		    function.returnType = "void";
		function.type = "slot";
		function.function = n.firstChild().toText().data();
		if ( !MetaDataBase::hasFunction( formwindow, function.function, TRUE ) )
		    MetaDataBase::addFunction( formwindow, function.function, function.specifier,
					       function.access, "slot", function.language, function.returnType );
		else
		    MetaDataBase::changeFunctionAttributes( formwindow, function.function, function.function,
							    function.specifier, function.access,
							    "slot", function.language,
							    function.returnType );
	    }
    }

    if ( !functions.isNull() ) {
	for ( QDomElement n = functions.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
	    if ( n.tagName() == "function" ) {
		MetaDataBase::Function function;
		function.specifier = n.attribute( "specifier", "virtual" );
		if ( function.specifier.isEmpty() )
		    function.specifier = "virtual";
		function.access = n.attribute( "access", "public" );
		if ( function.access.isEmpty() )
		    function.access = "public";
		function.type = n.attribute( "type", "function" );
		function.type = "function";
		function.language = n.attribute( "language", "C++" );
		function.returnType = n.attribute( "returnType", "void" );
		if ( function.returnType.isEmpty() )
		    function.returnType = "void";
		function.function = n.firstChild().toText().data();
		if ( !MetaDataBase::hasFunction( formwindow, function.function, TRUE ) )
		    MetaDataBase::addFunction( formwindow, function.function, function.specifier,
					       function.access, function.type, function.language,
					       function.returnType );
		else
		    MetaDataBase::changeFunctionAttributes( formwindow, function.function, function.function,
							    function.specifier, function.access,
							    function.type, function.language, function.returnType );
	    }
	}
    }

    if ( !actions.isNull() )
	loadActions( actions );
    if ( !toolbars.isNull() )
	loadToolBars( toolbars );
    if ( !menubar.isNull() )
	loadMenuBar( menubar );

    if ( !connections.isNull() )
	loadConnections( connections );

    if ( !tabOrder.isNull() )
	loadTabOrder( tabOrder );

    if ( formwindow ) {
	MetaDataBase::setIncludes( formwindow, metaIncludes );
	MetaDataBase::setForwards( formwindow, metaForwards );
	MetaDataBase::setVariables( formwindow, metaVariables );
	MetaDataBase::setSignalList( formwindow, metaSignals );
	metaInfo.classNameChanged = metaInfo.className != QString( formwindow->name() );
	MetaDataBase::setMetaInfo( formwindow, metaInfo );
	MetaDataBase::setExportMacro( formwindow->mainContainer(), exportMacro );
    }

    loadExtraSource( formwindow->formFile(), currFileName, langIface, hasFunctions );

    if ( mainwindow && formwindow )
	mainwindow->insertFormWindow( formwindow );

    if ( formwindow ) {
	formwindow->killAccels( formwindow );
	if ( formwindow->layout() )
	    formwindow->layout()->activate();
	if ( hadGeometry )
	    formwindow->resize( formwindow->size().expandedTo( formwindow->minimumSize().
							       expandedTo( formwindow->minimumSizeHint() ) ) );
	else
	    formwindow->resize( formwindow->size().expandedTo( formwindow->sizeHint() ) );
    }

    return TRUE;
}

static bool saveCode( const QString &filename, const QString &code )
{
    QFile f( filename );
    if ( f.open(IO_WriteOnly | IO_Translate) ) {
	QTextStream ts( &f );
	ts << code;
	return TRUE;
    }
    return FALSE;
}

bool Resource::save( const QString& filename, bool formCodeOnly )
{
    if ( !formwindow || filename.isEmpty() )
	return FALSE;
    if (!langIface) {
	QString lang = "Qt Script";
	if ( mainwindow )
	    lang = mainwindow->currProject()->language();
	langIface = MetaDataBase::languageInterface( lang );
	if ( langIface )
	    langIface->addRef();
    }
    if ( formCodeOnly && langIface ) {
	if ( saveFormCode(formwindow->formFile(), langIface) )
	    return TRUE;
	bool breakout = FALSE;
	FormFile *ff = formwindow->formFile();
	QString codeFile = ff->project()->makeAbsolute( ff->codeFile() );
	QString filter = langIface->fileFilterList().join(";;");
	while ( !breakout ) {
	    QString fn = QFileDialog::getSaveFileName( codeFile, filter );
	    breakout = fn.isEmpty();
	    if ( !breakout ) {
		if ( saveCode(fn, ff->code()) )
		    return TRUE;
	    }
	}
    }
    currFileName = filename;

    QFile f( filename );
    if ( !f.open( IO_WriteOnly | IO_Translate ) )
	return FALSE;
    bool b = save( &f );
    f.close();
    return b;
}

bool Resource::save( QIODevice* dev )
{
    if ( !formwindow )
	return FALSE;

    if ( !langIface ) {
	QString lang = "Qt Script";
	if ( mainwindow )
	    lang = mainwindow->currProject()->language();
	langIface = MetaDataBase::languageInterface( lang );
	if ( langIface )
	    langIface->addRef();
    }

    QTextStream ts( dev );
    ts.setCodec( QTextCodec::codecForName( "UTF-8" ) );

    ts << "<!DOCTYPE UI><UI version=\"3.2\" stdsetdef=\"1\">" << endl;
    saveMetaInfoBefore( ts, 0 );
    saveObject( formwindow->mainContainer(), 0, ts, 0 );
    if ( formwindow->mainContainer()->inherits( "QMainWindow" ) ) {
	saveMenuBar( (QMainWindow*)formwindow->mainContainer(), ts, 0 );
	saveToolBars( (QMainWindow*)formwindow->mainContainer(), ts, 0 );
    }
    if ( !MetaDataBase::customWidgets()->isEmpty() && !usedCustomWidgets.isEmpty() )
	saveCustomWidgets( ts, 0 );
    if ( formwindow->mainContainer()->inherits( "QMainWindow" ) )
	saveActions( formwindow->actionList(), ts, 0 );
    if ( !images.isEmpty() )
	saveImageCollection( ts, 0 );
    if ( !MetaDataBase::connections( formwindow ).isEmpty() ||
	 !MetaDataBase::slotList( formwindow ).isEmpty() )
	saveConnections( ts, 0 );
    saveTabOrder( ts, 0 );
    saveMetaInfoAfter( ts, 0 );
    saveIncludeHints( ts, 0 );