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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 <cppuhelper/implbase2.hxx>
25 : #include <svgio/svgreader/svgdocumenthandler.hxx>
26 : #include <com/sun/star/xml/sax/XParser.hpp>
27 : #include <com/sun/star/xml/sax/Parser.hpp>
28 : #include <com/sun/star/xml/sax/InputSource.hpp>
29 : #include <drawinglayer/geometry/viewinformation2d.hxx>
30 :
31 : #include "xsvgparser.hxx"
32 :
33 : //////////////////////////////////////////////////////////////////////////////
34 :
35 : using namespace ::com::sun::star;
36 :
37 : //////////////////////////////////////////////////////////////////////////////
38 :
39 : namespace svgio
40 : {
41 : namespace svgreader
42 : {
43 : class XSvgParser : public ::cppu::WeakAggImplHelper2< graphic::XSvgParser, lang::XServiceInfo >
44 : {
45 : private:
46 : XSvgParser(const XSvgParser&);
47 : XSvgParser& operator=(const XSvgParser&);
48 :
49 : uno::Reference< uno::XComponentContext > context_;
50 :
51 : protected:
52 : public:
53 : XSvgParser(
54 : uno::Reference< uno::XComponentContext > const & context);
55 : virtual ~XSvgParser();
56 :
57 : // XSvgParser
58 : virtual uno::Sequence< uno::Reference< ::graphic::XPrimitive2D > > SAL_CALL getDecomposition(
59 : const uno::Reference< ::io::XInputStream >& xSVGStream,
60 : const ::rtl::OUString& aAbsolutePath) throw (uno::RuntimeException);
61 :
62 : // XServiceInfo
63 : virtual rtl::OUString SAL_CALL getImplementationName() throw(uno::RuntimeException);
64 : virtual ::sal_Bool SAL_CALL supportsService(const rtl::OUString&) throw(uno::RuntimeException);
65 : virtual uno::Sequence< rtl::OUString > SAL_CALL getSupportedServiceNames() throw(uno::RuntimeException);
66 : };
67 : } // end of namespace svgreader
68 : } // end of namespace svgio
69 :
70 : //////////////////////////////////////////////////////////////////////////////
71 : // uno functions
72 :
73 : namespace svgio
74 : {
75 : namespace svgreader
76 : {
77 0 : uno::Sequence< rtl::OUString > XSvgParser_getSupportedServiceNames()
78 : {
79 0 : static rtl::OUString aServiceName(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.graphic.SvgTools" ) );
80 0 : static uno::Sequence< rtl::OUString > aServiceNames( &aServiceName, 1 );
81 :
82 0 : return( aServiceNames );
83 : }
84 :
85 0 : rtl::OUString XSvgParser_getImplementationName()
86 : {
87 0 : return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "svgio::svgreader::XSvgParser" ) );
88 : }
89 :
90 0 : uno::Reference< uno::XInterface > SAL_CALL XSvgParser_createInstance(const uno::Reference< uno::XComponentContext >& context)
91 : {
92 0 : return static_cast< ::cppu::OWeakObject* >(new XSvgParser(context));
93 : }
94 : } // end of namespace svgreader
95 : } // end of namespace svgio
96 :
97 : //////////////////////////////////////////////////////////////////////////////
98 :
99 : namespace svgio
100 : {
101 : namespace svgreader
102 : {
103 0 : XSvgParser::XSvgParser(
104 : uno::Reference< uno::XComponentContext > const & context):
105 0 : context_(context)
106 : {
107 0 : }
108 :
109 0 : XSvgParser::~XSvgParser()
110 : {
111 0 : }
112 :
113 0 : uno::Sequence< uno::Reference< ::graphic::XPrimitive2D > > XSvgParser::getDecomposition(
114 : const uno::Reference< ::io::XInputStream >& xSVGStream,
115 : const ::rtl::OUString& aAbsolutePath ) throw (uno::RuntimeException)
116 : {
117 0 : drawinglayer::primitive2d::Primitive2DSequence aRetval;
118 :
119 0 : if(xSVGStream.is())
120 : {
121 : // local document handler
122 0 : SvgDocHdl* pSvgDocHdl = new SvgDocHdl(aAbsolutePath);
123 0 : uno::Reference< xml::sax::XDocumentHandler > xSvgDocHdl(pSvgDocHdl);
124 :
125 : try
126 : {
127 : // prepare ParserInputSrouce
128 0 : xml::sax::InputSource myInputSource;
129 0 : myInputSource.aInputStream = xSVGStream;
130 :
131 : // get parser
132 : uno::Reference< xml::sax::XParser > xParser(
133 0 : xml::sax::Parser::create(context_));
134 :
135 : // connect parser and filter
136 0 : xParser->setDocumentHandler(xSvgDocHdl);
137 :
138 : // finally, parse the stream to a hierarchy of
139 : // SVGGraphicPrimitive2D which will be embedded to the
140 : // primitive sequence. Their decompositions will in the
141 : // end create local low-level primitives, thus SVG will
142 : // be processable from all our processors
143 0 : xParser->parseStream(myInputSource);
144 : }
145 0 : catch(uno::Exception&)
146 : {
147 : OSL_ENSURE(false, "Parse error (!)");
148 : }
149 :
150 : // decompose to primitives
151 0 : const SvgNodeVector& rResults = pSvgDocHdl->getSvgDocument().getSvgNodeVector();
152 0 : const sal_uInt32 nCount(rResults.size());
153 :
154 0 : for(sal_uInt32 a(0); a < nCount; a++)
155 : {
156 0 : rResults[a]->decomposeSvgNode(aRetval, false);
157 0 : }
158 : }
159 : else
160 : {
161 : OSL_ENSURE(false, "Invalid stream (!)");
162 : }
163 :
164 0 : return aRetval;
165 : }
166 :
167 0 : rtl::OUString SAL_CALL XSvgParser::getImplementationName() throw(uno::RuntimeException)
168 : {
169 0 : return(XSvgParser_getImplementationName());
170 : }
171 :
172 0 : sal_Bool SAL_CALL XSvgParser::supportsService(const rtl::OUString& rServiceName) throw(uno::RuntimeException)
173 : {
174 0 : const uno::Sequence< rtl::OUString > aServices(XSvgParser_getSupportedServiceNames());
175 :
176 0 : for(sal_Int32 nService(0); nService < aServices.getLength(); nService++)
177 : {
178 0 : if(rServiceName == aServices[nService])
179 : {
180 0 : return sal_True;
181 : }
182 : }
183 :
184 0 : return sal_False;
185 : }
186 :
187 0 : uno::Sequence< rtl::OUString > SAL_CALL XSvgParser::getSupportedServiceNames() throw(uno::RuntimeException)
188 : {
189 0 : return XSvgParser_getSupportedServiceNames();
190 : }
191 :
192 : } // end of namespace svgreader
193 : } // end of namespace svgio
194 :
195 : //////////////////////////////////////////////////////////////////////////////
196 : // eof
197 :
198 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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