Avoid potential negative array index access to cached text.
[LibreOffice.git] / xmloff / source / draw / layerexp.cxx
blob82a8dd410d6aeaeb970a20acf8bb67f74a9df9d3
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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21 #include <com/sun/star/drawing/XLayerSupplier.hpp>
22 #include <com/sun/star/container/XIndexAccess.hpp>
23 #include <com/sun/star/beans/XPropertySet.hpp>
24 #include <com/sun/star/frame/XModel.hpp>
25 #include <xmloff/xmltoken.hxx>
26 #include <xmloff/xmlnamespace.hxx>
27 #include <xmloff/xmlexp.hxx>
28 #include "layerexp.hxx"
29 #include <comphelper/diagnose_ex.hxx>
31 using ::com::sun::star::uno::Reference;
33 using namespace ::cppu;
34 using namespace ::com::sun::star;
35 using namespace ::com::sun::star::uno;
36 using namespace ::com::sun::star::drawing;
37 using namespace ::com::sun::star::beans;
38 using namespace ::com::sun::star::lang;
39 using namespace ::com::sun::star::container;
40 using namespace ::xmloff::token;
42 void SdXMLayerExporter::exportLayer( SvXMLExport& rExport )
44 Reference< XLayerSupplier > xLayerSupplier( rExport.GetModel(), UNO_QUERY );
45 if( !xLayerSupplier.is() )
46 return;
48 Reference< XIndexAccess > xLayerManager( xLayerSupplier->getLayerManager(), UNO_QUERY );
49 if( !xLayerManager.is() )
50 return;
52 const sal_Int32 nCount = xLayerManager->getCount();
53 if( nCount == 0 )
54 return;
56 static constexpr OUStringLiteral strName( u"Name" );
57 static constexpr OUStringLiteral strTitle( u"Title" );
58 static constexpr OUStringLiteral strDescription( u"Description" );
59 static constexpr OUStringLiteral strIsVisible( u"IsVisible");
60 static constexpr OUStringLiteral strIsPrintable( u"IsPrintable");
61 static constexpr OUStringLiteral strIsLocked( u"IsLocked" );
63 OUString sTmp;
66 SvXMLElementExport aElem( rExport, XML_NAMESPACE_DRAW, XML_LAYER_SET, true, true );
68 for( sal_Int32 nIndex = 0; nIndex < nCount; nIndex++ )
70 try
72 Reference< XPropertySet> xLayer( xLayerManager->getByIndex( nIndex ), UNO_QUERY_THROW );
73 xLayer->getPropertyValue( strName ) >>= sTmp;
74 if(!sTmp.isEmpty())
75 rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_NAME, sTmp );
77 bool bTmpVisible( true );
78 bool bTmpPrintable( true );
79 xLayer->getPropertyValue( strIsVisible) >>= bTmpVisible;
80 xLayer->getPropertyValue( strIsPrintable) >>= bTmpPrintable;
81 // only write non-default values, default is "always"
82 if ( bTmpVisible )
84 if ( !bTmpPrintable )
85 rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_DISPLAY, OUString("screen") );
87 else
89 if ( bTmpPrintable)
90 rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_DISPLAY, OUString("printer") );
91 else
92 rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_DISPLAY, OUString("none") );
95 bool bTmpLocked( false );
96 xLayer->getPropertyValue( strIsLocked ) >>= bTmpLocked;
97 // only write non-default value, default is "false"
98 if ( bTmpLocked )
100 rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_PROTECTED, OUString("true") );
103 SvXMLElementExport aEle( rExport, XML_NAMESPACE_DRAW, XML_LAYER, true, true );
105 // title property (as <svg:title> element)
106 xLayer->getPropertyValue(strTitle) >>= sTmp;
107 if(!sTmp.isEmpty())
109 SvXMLElementExport aEventElemt(rExport, XML_NAMESPACE_SVG, XML_TITLE, true, false);
110 rExport.Characters(sTmp);
113 // description property (as <svg:desc> element)
114 xLayer->getPropertyValue(strDescription) >>= sTmp;
115 if(!sTmp.isEmpty())
117 SvXMLElementExport aDesc(rExport, XML_NAMESPACE_SVG, XML_DESC, true, false);
118 rExport.Characters(sTmp);
121 catch( Exception& )
123 TOOLS_WARN_EXCEPTION("xmloff.draw", "exception caught during export of one layer!");
128 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */