1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 // MARKER(update_precomp.py): autogen include statement, do not remove 23 #include "precompiled_svgio.hxx" 24 25 #include <com/sun/star/graphic/XSvgParser.hpp> 26 #include <com/sun/star/lang/XServiceInfo.hpp> 27 #include <cppuhelper/implbase2.hxx> 28 #include <svgio/svgreader/svgdocumenthandler.hxx> 29 #include <com/sun/star/xml/sax/XParser.hpp> 30 #include <com/sun/star/xml/sax/InputSource.hpp> 31 #include <comphelper/processfactory.hxx> 32 #include <drawinglayer/geometry/viewinformation2d.hxx> 33 34 ////////////////////////////////////////////////////////////////////////////// 35 36 using namespace ::com::sun::star; 37 38 ////////////////////////////////////////////////////////////////////////////// 39 40 namespace svgio 41 { 42 namespace svgreader 43 { 44 class XSvgParser : public ::cppu::WeakAggImplHelper2< graphic::XSvgParser, lang::XServiceInfo > 45 { 46 private: 47 XSvgParser(const XSvgParser&); 48 XSvgParser& operator=(const XSvgParser&); 49 50 protected: 51 public: 52 XSvgParser(); 53 virtual ~XSvgParser(); 54 55 // XSvgParser 56 virtual uno::Sequence< uno::Reference< ::graphic::XPrimitive2D > > SAL_CALL getDecomposition( 57 const uno::Reference< ::io::XInputStream >& xSVGStream, 58 const ::rtl::OUString& aAbsolutePath) throw (uno::RuntimeException); 59 60 // XServiceInfo 61 virtual rtl::OUString SAL_CALL getImplementationName() throw(uno::RuntimeException); 62 virtual ::sal_Bool SAL_CALL supportsService(const rtl::OUString&) throw(uno::RuntimeException); 63 virtual uno::Sequence< rtl::OUString > SAL_CALL getSupportedServiceNames() throw(uno::RuntimeException); 64 }; 65 } // end of namespace svgreader 66 } // end of namespace svgio 67 68 ////////////////////////////////////////////////////////////////////////////// 69 // uno functions 70 71 namespace svgio 72 { 73 namespace svgreader 74 { 75 uno::Sequence< rtl::OUString > XSvgParser_getSupportedServiceNames() 76 { 77 static rtl::OUString aServiceName(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.graphic.SvgTools" ) ); 78 static uno::Sequence< rtl::OUString > aServiceNames( &aServiceName, 1 ); 79 80 return( aServiceNames ); 81 } 82 83 rtl::OUString XSvgParser_getImplementationName() 84 { 85 return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "svgio::svgreader::XSvgParser" ) ); 86 } 87 88 uno::Reference< uno::XInterface > SAL_CALL XSvgParser_createInstance(const uno::Reference< lang::XMultiServiceFactory >&) 89 { 90 return static_cast< ::cppu::OWeakObject* >(new XSvgParser); 91 } 92 } // end of namespace svgreader 93 } // end of namespace svgio 94 95 ////////////////////////////////////////////////////////////////////////////// 96 97 namespace svgio 98 { 99 namespace svgreader 100 { 101 XSvgParser::XSvgParser() 102 { 103 } 104 105 XSvgParser::~XSvgParser() 106 { 107 } 108 109 uno::Sequence< uno::Reference< ::graphic::XPrimitive2D > > XSvgParser::getDecomposition( 110 const uno::Reference< ::io::XInputStream >& xSVGStream, 111 const ::rtl::OUString& aAbsolutePath ) throw (uno::RuntimeException) 112 { 113 drawinglayer::primitive2d::Primitive2DSequence aRetval; 114 115 if(xSVGStream.is()) 116 { 117 // local document handler 118 SvgDocHdl* pSvgDocHdl = new SvgDocHdl(aAbsolutePath); 119 uno::Reference< xml::sax::XDocumentHandler > xSvgDocHdl(pSvgDocHdl); 120 121 try 122 { 123 // prepare ParserInputSrouce 124 xml::sax::InputSource myInputSource; 125 myInputSource.aInputStream = xSVGStream; 126 127 // get parser 128 uno::Reference< xml::sax::XParser > xParser( 129 comphelper::getProcessServiceFactory()->createInstance( 130 rtl::OUString::createFromAscii("com.sun.star.xml.sax.Parser") ), 131 uno::UNO_QUERY_THROW ); 132 133 // connect parser and filter 134 xParser->setDocumentHandler(xSvgDocHdl); 135 136 // finally, parse the stream to a hierarchy of 137 // SVGGraphicPrimitive2D which will be embedded to the 138 // primitive sequence. Their decompositions will in the 139 // end create local low-level primitives, thus SVG will 140 // be processable from all our processors 141 xParser->parseStream(myInputSource); 142 } 143 catch(uno::Exception&) 144 { 145 OSL_ENSURE(false, "Parse error (!)"); 146 } 147 148 // decompose to primitives 149 const SvgNodeVector& rResults = pSvgDocHdl->getSvgDocument().getSvgNodeVector(); 150 const sal_uInt32 nCount(rResults.size()); 151 152 for(sal_uInt32 a(0); a < nCount; a++) 153 { 154 rResults[a]->decomposeSvgNode(aRetval, false); 155 } 156 } 157 else 158 { 159 OSL_ENSURE(false, "Invalid stream (!)"); 160 } 161 162 return aRetval; 163 } 164 165 rtl::OUString SAL_CALL XSvgParser::getImplementationName() throw(uno::RuntimeException) 166 { 167 return(XSvgParser_getImplementationName()); 168 } 169 170 sal_Bool SAL_CALL XSvgParser::supportsService(const rtl::OUString& rServiceName) throw(uno::RuntimeException) 171 { 172 const uno::Sequence< rtl::OUString > aServices(XSvgParser_getSupportedServiceNames()); 173 174 for(sal_Int32 nService(0); nService < aServices.getLength(); nService++) 175 { 176 if(rServiceName == aServices[nService]) 177 { 178 return sal_True; 179 } 180 } 181 182 return sal_False; 183 } 184 185 uno::Sequence< rtl::OUString > SAL_CALL XSvgParser::getSupportedServiceNames() throw(uno::RuntimeException) 186 { 187 return XSvgParser_getSupportedServiceNames(); 188 } 189 190 } // end of namespace svgreader 191 } // end of namespace svgio 192 193 ////////////////////////////////////////////////////////////////////////////// 194 // eof 195