xmloff/source/chart/XMLSymbolImageContext.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "XMLSymbolImageContext.hxx"
  21 #include <xmloff/xmltoken.hxx>
  22 #include <xmloff/xmltkmap.hxx>
  23 #include <xmloff/xmlnmspe.hxx>
  24 #include <xmloff/xmlimp.hxx>
  25 #include <xmloff/nmspmap.hxx>
  26 #include <xmloff/XMLBase64ImportContext.hxx>
  27 #include <com/sun/star/io/XOutputStream.hpp>
  28
  29
  30 using namespace ::com::sun::star;
  31
  32 enum SvXMLTokenMapAttrs
  33 {
  34     XML_TOK_SYMBOL_IMAGE_HREF,
  35     XML_TOK_SYMBOL_IMAGE_TYPE,
  36     XML_TOK_SYMBOL_IMAGE_ACTUATE,
  37     XML_TOK_SYMBOL_IMAGE_SHOW,
  38     XML_TOK_SYMBOL_IMAGE_END = XML_TOK_UNKNOWN
  39 };
  40
  41 static const SvXMLTokenMapEntry aSymbolImageAttrTokenMap[] =
  42 {
  43     { XML_NAMESPACE_XLINK,  ::xmloff::token::XML_HREF,     XML_TOK_SYMBOL_IMAGE_HREF    },
  44     { XML_NAMESPACE_XLINK,  ::xmloff::token::XML_TYPE,     XML_TOK_SYMBOL_IMAGE_TYPE    },
  45     { XML_NAMESPACE_XLINK,  ::xmloff::token::XML_ACTUATE,  XML_TOK_SYMBOL_IMAGE_ACTUATE },
  46     { XML_NAMESPACE_XLINK,  ::xmloff::token::XML_SHOW,     XML_TOK_SYMBOL_IMAGE_SHOW },
  47     XML_TOKEN_MAP_END
  48 };
  49
  50 XMLSymbolImageContext::XMLSymbolImageContext(
  51     SvXMLImport& rImport, sal_uInt16 nPrfx,
  52     const OUString& rLName,
  53     const XMLPropertyState& rProp,
  54     ::std::vector< XMLPropertyState > &rProps ) :
  55         XMLElementPropertyContext(
  56             rImport, nPrfx, rLName, rProp, rProps )
  57 {
  58 }
  59
  60 XMLSymbolImageContext::~XMLSymbolImageContext()
  61 {}
  62
  63 void XMLSymbolImageContext::StartElement( const uno::Reference< xml::sax::XAttributeList >& xAttrList )
  64 {
  65     SvXMLTokenMap aTokenMap( aSymbolImageAttrTokenMap );
  66     OUString aLocalName;
  67
  68     sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
  69     for( sal_Int16 i = 0; i < nAttrCount; i++ )
  70     {
  71         const OUString& rAttrName = xAttrList->getNameByIndex( i );
  72         sal_uInt16 nPrefix =
  73             GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName,
  74                                                             &aLocalName );
  75         const OUString& rValue = xAttrList->getValueByIndex( i );
  76
  77         switch( aTokenMap.Get( nPrefix, aLocalName ) )
  78         {
  79             case XML_TOK_SYMBOL_IMAGE_HREF:
  80                 msURL = rValue;
  81                 break;
  82             case XML_TOK_SYMBOL_IMAGE_ACTUATE:
  83             case XML_TOK_SYMBOL_IMAGE_TYPE:
  84             case XML_TOK_SYMBOL_IMAGE_SHOW:
  85                 // these values are currently not interpreted
  86                 // it is always assumed 'actuate=onLoad', 'type=simple', 'show=embed'
  87                 break;
  88         }
  89     }
  90 }
  91
  92 SvXMLImportContext* XMLSymbolImageContext::CreateChildContext(
  93     sal_uInt16 nPrefix, const OUString& rLocalName,
  94     const uno::Reference< xml::sax::XAttributeList > & xAttrList )
  95 {
  96     SvXMLImportContext* pContext = nullptr;
  97     if( xmloff::token::IsXMLToken( rLocalName,
  98                                    xmloff::token::XML_BINARY_DATA ) )
  99     {
 100         if( msURL.isEmpty() && ! mxBase64Stream.is() )
 101         {
 102             mxBase64Stream = GetImport().GetStreamForGraphicObjectURLFromBase64();
 103             if( mxBase64Stream.is() )
 104                 pContext = new XMLBase64ImportContext( GetImport(), nPrefix,
 105                                                        rLocalName, xAttrList,
 106                                                        mxBase64Stream );
 107         }
 108     }
 109     if( ! pContext )
 110     {
 111         pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
 112     }
 113
 114     return pContext;
 115 }
 116
 117 void XMLSymbolImageContext::EndElement()
 118 {
 119     OUString sResolvedURL;
 120
 121     if( !msURL.isEmpty() )
 122     {
 123         sResolvedURL = GetImport().ResolveGraphicObjectURL( msURL, false );
 124     }
 125     else if( mxBase64Stream.is() )
 126     {
 127         sResolvedURL = GetImport().ResolveGraphicObjectURLFromBase64( mxBase64Stream );
 128         mxBase64Stream = nullptr;
 129     }
 130
 131     if( !sResolvedURL.isEmpty())
 132     {
 133         // aProp is a member of XMLElementPropertyContext
 134         aProp.maValue <<= sResolvedURL;
 135         SetInsert( true );
 136     }
 137
 138     XMLElementPropertyContext::EndElement();
 139 }
 140
 141 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */