Line data Source code
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 "sal/config.h"
21 :
22 : #include <com/sun/star/graphic/XSvgParser.hpp>
23 : #include <com/sun/star/lang/XServiceInfo.hpp>
24 : #include <com/sun/star/lang/XInitialization.hpp>
25 : #include <cppuhelper/implbase2.hxx>
26 : #include <svgio/svgreader/svgdocumenthandler.hxx>
27 : #include <com/sun/star/xml/sax/XParser.hpp>
28 : #include <com/sun/star/xml/sax/Parser.hpp>
29 : #include <com/sun/star/xml/sax/InputSource.hpp>
30 : #include <drawinglayer/geometry/viewinformation2d.hxx>
31 :
32 : #include "xsvgparser.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 : uno::Reference< uno::XComponentContext > context_;
51 :
52 : protected:
53 : public:
54 : XSvgParser(
55 : uno::Reference< uno::XComponentContext > const & context);
56 : virtual ~XSvgParser();
57 :
58 : // XSvgParser
59 : virtual uno::Sequence< uno::Reference< ::graphic::XPrimitive2D > > SAL_CALL getDecomposition(
60 : const uno::Reference< ::io::XInputStream >& xSVGStream,
61 : const OUString& aAbsolutePath) throw (uno::RuntimeException);
62 :
63 : // XServiceInfo
64 : virtual OUString SAL_CALL getImplementationName() throw(uno::RuntimeException);
65 : virtual ::sal_Bool SAL_CALL supportsService(const OUString&) throw(uno::RuntimeException);
66 : virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() throw(uno::RuntimeException);
67 : };
68 : } // end of namespace svgreader
69 : } // end of namespace svgio
70 :
71 : //////////////////////////////////////////////////////////////////////////////
72 : // uno functions
73 :
74 : namespace svgio
75 : {
76 : namespace svgreader
77 : {
78 4 : uno::Sequence< OUString > XSvgParser_getSupportedServiceNames()
79 : {
80 4 : static OUString aServiceName("com.sun.star.graphic.SvgTools" );
81 4 : static uno::Sequence< OUString > aServiceNames( &aServiceName, 1 );
82 :
83 4 : return( aServiceNames );
84 : }
85 :
86 4 : OUString XSvgParser_getImplementationName()
87 : {
88 4 : return OUString( "svgio::svgreader::XSvgParser" );
89 : }
90 :
91 292 : uno::Reference< uno::XInterface > SAL_CALL XSvgParser_createInstance(const uno::Reference< uno::XComponentContext >& context)
92 : {
93 292 : return static_cast< ::cppu::OWeakObject* >(new XSvgParser(context));
94 : }
95 : } // end of namespace svgreader
96 : } // end of namespace svgio
97 :
98 : //////////////////////////////////////////////////////////////////////////////
99 :
100 : namespace svgio
101 : {
102 : namespace svgreader
103 : {
104 292 : XSvgParser::XSvgParser(
105 : uno::Reference< uno::XComponentContext > const & context):
106 292 : context_(context)
107 : {
108 292 : }
109 :
110 584 : XSvgParser::~XSvgParser()
111 : {
112 584 : }
113 :
114 292 : uno::Sequence< uno::Reference< ::graphic::XPrimitive2D > > XSvgParser::getDecomposition(
115 : const uno::Reference< ::io::XInputStream >& xSVGStream,
116 : const OUString& aAbsolutePath ) throw (uno::RuntimeException)
117 : {
118 292 : drawinglayer::primitive2d::Primitive2DSequence aRetval;
119 :
120 292 : if(xSVGStream.is())
121 : {
122 : // local document handler
123 292 : SvgDocHdl* pSvgDocHdl = new SvgDocHdl(aAbsolutePath);
124 292 : uno::Reference< xml::sax::XDocumentHandler > xSvgDocHdl(pSvgDocHdl);
125 :
126 : try
127 : {
128 : // prepare ParserInputSrouce
129 292 : xml::sax::InputSource myInputSource;
130 292 : myInputSource.aInputStream = xSVGStream;
131 :
132 : // get parser
133 : uno::Reference< xml::sax::XParser > xParser(
134 584 : xml::sax::Parser::create(context_));
135 : // fdo#60471 need to enable internal entities because
136 : // certain ... popular proprietary products write SVG files
137 : // that use entities to define XML namespaces.
138 : uno::Reference<lang::XInitialization> const xInit(xParser,
139 584 : uno::UNO_QUERY_THROW);
140 584 : uno::Sequence<uno::Any> args(1);
141 292 : args[0] <<= OUString("DoSmeplease");
142 292 : xInit->initialize(args);
143 :
144 : // connect parser and filter
145 292 : xParser->setDocumentHandler(xSvgDocHdl);
146 :
147 : // finally, parse the stream to a hierarchy of
148 : // SVGGraphicPrimitive2D which will be embedded to the
149 : // primitive sequence. Their decompositions will in the
150 : // end create local low-level primitives, thus SVG will
151 : // be processable from all our processors
152 584 : xParser->parseStream(myInputSource);
153 : }
154 0 : catch(const uno::Exception& e)
155 : {
156 : SAL_WARN( "svg", "Parse error! : " << e.Message);
157 : }
158 :
159 : // decompose to primitives
160 292 : const SvgNodeVector& rResults = pSvgDocHdl->getSvgDocument().getSvgNodeVector();
161 292 : const sal_uInt32 nCount(rResults.size());
162 :
163 584 : for(sal_uInt32 a(0); a < nCount; a++)
164 : {
165 292 : SvgNode* pCandidate = rResults[a];
166 :
167 292 : if(Display_none != pCandidate->getDisplay())
168 : {
169 292 : pCandidate->decomposeSvgNode(aRetval, false);
170 : }
171 292 : }
172 : }
173 : else
174 : {
175 : OSL_ENSURE(false, "Invalid stream (!)");
176 : }
177 :
178 292 : return aRetval;
179 : }
180 :
181 0 : OUString SAL_CALL XSvgParser::getImplementationName() throw(uno::RuntimeException)
182 : {
183 0 : return(XSvgParser_getImplementationName());
184 : }
185 :
186 0 : sal_Bool SAL_CALL XSvgParser::supportsService(const OUString& rServiceName) throw(uno::RuntimeException)
187 : {
188 0 : const uno::Sequence< OUString > aServices(XSvgParser_getSupportedServiceNames());
189 :
190 0 : for(sal_Int32 nService(0); nService < aServices.getLength(); nService++)
191 : {
192 0 : if(rServiceName == aServices[nService])
193 : {
194 0 : return sal_True;
195 : }
196 : }
197 :
198 0 : return sal_False;
199 : }
200 :
201 0 : uno::Sequence< OUString > SAL_CALL XSvgParser::getSupportedServiceNames() throw(uno::RuntimeException)
202 : {
203 0 : return XSvgParser_getSupportedServiceNames();
204 : }
205 :
206 : } // end of namespace svgreader
207 : } // end of namespace svgio
208 :
209 : //////////////////////////////////////////////////////////////////////////////
210 : // eof
211 :
212 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
