Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* WPGImportFilter: Sets up the filter, and calls OdgExporter
3 : * to do the actual filtering
4 : *
5 : * This file is part of the LibreOffice project.
6 : *
7 : * This Source Code Form is subject to the terms of the Mozilla Public
8 : * License, v. 2.0. If a copy of the MPL was not distributed with this
9 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
10 : */
11 :
12 : /* "This product is not manufactured, approved, or supported by
13 : * Corel Corporation or Corel Corporation Limited."
14 : */
15 :
16 : #include <osl/diagnose.h>
17 : #include <rtl/tencinfo.h>
18 :
19 : #include <com/sun/star/io/XInputStream.hpp>
20 : #include <com/sun/star/xml/sax/XAttributeList.hpp>
21 : #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
22 : #include <com/sun/star/xml/sax/InputSource.hpp>
23 : #include <com/sun/star/xml/sax/XParser.hpp>
24 : #include <com/sun/star/io/XSeekable.hpp>
25 : #include <com/sun/star/uno/Reference.h>
26 :
27 : #include <comphelper/componentcontext.hxx>
28 : #include <xmloff/attrlist.hxx>
29 :
30 : #include <libodfgen/libodfgen.hxx>
31 :
32 : #include "common/DocumentHandler.hxx"
33 : #include "common/WPXSvStream.hxx"
34 : #include "WPGImportFilter.hxx"
35 :
36 : #include <iostream>
37 :
38 : using namespace ::com::sun::star::uno;
39 : using com::sun::star::uno::Reference;
40 : using com::sun::star::io::XInputStream;
41 : using com::sun::star::io::XSeekable;
42 : using com::sun::star::uno::Sequence;
43 : using namespace ::rtl;
44 : using com::sun::star::uno::Any;
45 : using com::sun::star::uno::UNO_QUERY;
46 : using com::sun::star::uno::XInterface;
47 : using com::sun::star::uno::Exception;
48 : using com::sun::star::uno::RuntimeException;
49 : using com::sun::star::beans::PropertyValue;
50 : using com::sun::star::document::XFilter;
51 : using com::sun::star::document::XExtendedFilterDetection;
52 : using com::sun::star::document::XImporter;
53 : using com::sun::star::xml::sax::InputSource;
54 : using com::sun::star::xml::sax::XAttributeList;
55 : using com::sun::star::xml::sax::XDocumentHandler;
56 : using com::sun::star::xml::sax::XParser;
57 :
58 :
59 0 : sal_Bool SAL_CALL WPGImportFilter::filter( const Sequence< ::com::sun::star::beans::PropertyValue >& aDescriptor )
60 : throw (RuntimeException)
61 : {
62 : #ifdef DEBUG
63 : std::cerr << "WPGImportFilter::filter" << std::endl;
64 : #endif
65 0 : sal_Int32 nLength = aDescriptor.getLength();
66 0 : const PropertyValue *pValue = aDescriptor.getConstArray();
67 0 : Reference < XInputStream > xInputStream;
68 0 : for ( sal_Int32 i = 0 ; i < nLength; i++)
69 : {
70 0 : if ( pValue[i].Name == "InputStream" )
71 0 : pValue[i].Value >>= xInputStream;
72 : }
73 0 : if ( !xInputStream.is() )
74 : {
75 : OSL_ASSERT( 0 );
76 0 : return sal_False;
77 : }
78 :
79 : // An XML import service: what we push sax messages to..
80 0 : OUString sXMLImportService ( "com.sun.star.comp.Draw.XMLOasisImporter" );
81 0 : Reference < XDocumentHandler > xInternalHandler( comphelper::ComponentContext( mxContext ).createComponent( sXMLImportService ), UNO_QUERY );
82 :
83 : // The XImporter sets up an empty target document for XDocumentHandler to write to..
84 0 : Reference < XImporter > xImporter(xInternalHandler, UNO_QUERY);
85 0 : xImporter->setTargetDocument( mxDoc );
86 :
87 : // OO Graphics Handler: abstract class to handle document SAX messages, concrete implementation here
88 : // writes to in-memory target doc
89 0 : DocumentHandler xHandler(xInternalHandler);
90 :
91 0 : WPXSvInputStream input( xInputStream );
92 :
93 0 : OdgGenerator exporter(&xHandler, ODF_FLAT_XML);
94 0 : bool tmpParseResult = libwpg::WPGraphics::parse(&input, &exporter);
95 0 : return tmpParseResult;
96 : }
97 :
98 0 : void SAL_CALL WPGImportFilter::cancel( )
99 : throw (RuntimeException)
100 : {
101 : #ifdef DEBUG
102 : std::cerr << "WPGImportFilter::cancel" << std::endl;
103 : #endif
104 0 : }
105 :
106 : // XImporter
107 0 : void SAL_CALL WPGImportFilter::setTargetDocument( const Reference< ::com::sun::star::lang::XComponent >& xDoc )
108 : throw (::com::sun::star::lang::IllegalArgumentException, RuntimeException)
109 : {
110 : #ifdef DEBUG
111 : std::cerr << "WPGImportFilter::setTargetDocument" << std::endl;
112 : #endif
113 0 : mxDoc = xDoc;
114 0 : }
115 :
116 : // XExtendedFilterDetection
117 0 : OUString SAL_CALL WPGImportFilter::detect( com::sun::star::uno::Sequence< PropertyValue >& Descriptor )
118 : throw( com::sun::star::uno::RuntimeException )
119 : {
120 : #ifdef DEBUG
121 : std::cerr << "WPGImportFilter::detect" << std::endl;
122 : #endif
123 0 : OUString sTypeName;
124 0 : sal_Int32 nLength = Descriptor.getLength();
125 0 : sal_Int32 location = nLength;
126 0 : const PropertyValue *pValue = Descriptor.getConstArray();
127 0 : Reference < XInputStream > xInputStream;
128 0 : for ( sal_Int32 i = 0 ; i < nLength; i++)
129 : {
130 0 : if ( pValue[i].Name == "TypeName" )
131 0 : location=i;
132 0 : else if ( pValue[i].Name == "InputStream" )
133 0 : pValue[i].Value >>= xInputStream;
134 : }
135 :
136 0 : if (!xInputStream.is())
137 0 : return OUString();
138 :
139 0 : WPXSvInputStream input( xInputStream );
140 :
141 0 : if (libwpg::WPGraphics::isSupported(&input))
142 0 : sTypeName = "draw_WordPerfect_Graphics";
143 :
144 0 : if (!sTypeName.isEmpty())
145 : {
146 0 : if ( location == nLength )
147 : {
148 0 : Descriptor.realloc(nLength+1);
149 0 : Descriptor[location].Name = "TypeName";
150 : }
151 :
152 0 : Descriptor[location].Value <<=sTypeName;
153 : }
154 0 : return sTypeName;
155 : }
156 :
157 :
158 : // XInitialization
159 0 : void SAL_CALL WPGImportFilter::initialize( const Sequence< Any >& aArguments )
160 : throw (Exception, RuntimeException)
161 : {
162 : #ifdef DEBUG
163 : std::cerr << "WPGImportFilter::initialize" << std::endl;
164 : #endif
165 0 : Sequence < PropertyValue > aAnySeq;
166 0 : sal_Int32 nLength = aArguments.getLength();
167 0 : if ( nLength && ( aArguments[0] >>= aAnySeq ) )
168 : {
169 0 : const PropertyValue *pValue = aAnySeq.getConstArray();
170 0 : nLength = aAnySeq.getLength();
171 0 : for ( sal_Int32 i = 0 ; i < nLength; i++)
172 : {
173 0 : if ( pValue[i].Name == "Type" )
174 : {
175 0 : pValue[i].Value >>= msFilterName;
176 0 : break;
177 : }
178 : }
179 0 : }
180 0 : }
181 0 : OUString WPGImportFilter_getImplementationName ()
182 : throw (RuntimeException)
183 : {
184 : #ifdef DEBUG
185 : std::cerr << "WPGImportFilter_getImplementationName" << std::endl;
186 : #endif
187 0 : return OUString ( "com.sun.star.comp.Draw.WPGImportFilter" );
188 : }
189 :
190 : #define SERVICE_NAME1 "com.sun.star.document.ImportFilter"
191 : #define SERVICE_NAME2 "com.sun.star.document.ExtendedTypeDetection"
192 0 : sal_Bool SAL_CALL WPGImportFilter_supportsService( const OUString &ServiceName )
193 : throw (RuntimeException)
194 : {
195 : #ifdef DEBUG
196 : std::cerr << "WPGImportFilter_supportsService" << std::endl;
197 : #endif
198 0 : return ( ServiceName == SERVICE_NAME1 || ServiceName == SERVICE_NAME2 );
199 : }
200 0 : Sequence< OUString > SAL_CALL WPGImportFilter_getSupportedServiceNames( )
201 : throw (RuntimeException)
202 : {
203 : #ifdef DEBUG
204 : std::cerr << "WPGImportFilter_getSupportedServiceNames" << std::endl;
205 : #endif
206 0 : Sequence < OUString > aRet(2);
207 0 : OUString *pArray = aRet.getArray();
208 0 : pArray[0] = OUString ( SERVICE_NAME1 );
209 0 : pArray[1] = OUString ( SERVICE_NAME2 );
210 0 : return aRet;
211 : }
212 : #undef SERVICE_NAME2
213 : #undef SERVICE_NAME1
214 :
215 0 : Reference< XInterface > SAL_CALL WPGImportFilter_createInstance( const Reference< XComponentContext > & rContext)
216 : throw( Exception )
217 : {
218 : #ifdef DEBUG
219 : std::cerr << "WPGImportFilter_createInstance" << std::endl;
220 : #endif
221 0 : return (cppu::OWeakObject *) new WPGImportFilter( rContext );
222 : }
223 :
224 : // XServiceInfo
225 0 : OUString SAL_CALL WPGImportFilter::getImplementationName( )
226 : throw (RuntimeException)
227 : {
228 : #ifdef DEBUG
229 : std::cerr << "WPGImportFilter::getImplementationName" << std::endl;
230 : #endif
231 0 : return WPGImportFilter_getImplementationName();
232 : }
233 0 : sal_Bool SAL_CALL WPGImportFilter::supportsService( const OUString &rServiceName )
234 : throw (RuntimeException)
235 : {
236 : #ifdef DEBUG
237 : std::cerr << "WPGImportFilter::supportsService" << std::endl;
238 : #endif
239 0 : return WPGImportFilter_supportsService( rServiceName );
240 : }
241 0 : Sequence< OUString > SAL_CALL WPGImportFilter::getSupportedServiceNames( )
242 : throw (RuntimeException)
243 : {
244 : #ifdef DEBUG
245 : std::cerr << "WPGImportFilter::getSupportedServiceNames" << std::endl;
246 : #endif
247 0 : return WPGImportFilter_getSupportedServiceNames();
248 0 : }
249 :
250 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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