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 "filter/DocumentHandler.hxx"
31 : #include "filter/OdgGenerator.hxx"
32 : #include "WPGImportFilter.hxx"
33 : #include "stream/WPXSvStream.h"
34 :
35 : #include <iostream>
36 :
37 : using namespace ::com::sun::star::uno;
38 : using com::sun::star::uno::Reference;
39 : using com::sun::star::io::XInputStream;
40 : using com::sun::star::io::XSeekable;
41 : using com::sun::star::uno::Sequence;
42 : using namespace ::rtl;
43 : using rtl::OString;
44 : using rtl::OUString;
45 : using com::sun::star::uno::Sequence;
46 : using com::sun::star::uno::Reference;
47 : using com::sun::star::uno::Any;
48 : using com::sun::star::uno::UNO_QUERY;
49 : using com::sun::star::uno::XInterface;
50 : using com::sun::star::uno::Exception;
51 : using com::sun::star::uno::RuntimeException;
52 : using com::sun::star::beans::PropertyValue;
53 : using com::sun::star::document::XFilter;
54 : using com::sun::star::document::XExtendedFilterDetection;
55 :
56 : using com::sun::star::io::XInputStream;
57 : using com::sun::star::document::XImporter;
58 : using com::sun::star::xml::sax::InputSource;
59 : using com::sun::star::xml::sax::XAttributeList;
60 : using com::sun::star::xml::sax::XDocumentHandler;
61 : using com::sun::star::xml::sax::XParser;
62 :
63 :
64 0 : sal_Bool SAL_CALL WPGImportFilter::filter( const Sequence< ::com::sun::star::beans::PropertyValue >& aDescriptor )
65 : throw (RuntimeException)
66 : {
67 : #ifdef DEBUG
68 : std::cerr << "WPGImportFilter::filter" << std::endl;
69 : #endif
70 0 : sal_Int32 nLength = aDescriptor.getLength();
71 0 : const PropertyValue *pValue = aDescriptor.getConstArray();
72 0 : OUString sURL;
73 0 : Reference < XInputStream > xInputStream;
74 0 : for ( sal_Int32 i = 0 ; i < nLength; i++)
75 : {
76 0 : if ( pValue[i].Name == "InputStream" )
77 0 : pValue[i].Value >>= xInputStream;
78 0 : else if ( pValue[i].Name == "URL" )
79 0 : pValue[i].Value >>= sURL;
80 : }
81 0 : if ( !xInputStream.is() )
82 : {
83 : OSL_ASSERT( 0 );
84 0 : return sal_False;
85 : }
86 0 : OString sFileName;
87 0 : sFileName = OUStringToOString(sURL, RTL_TEXTENCODING_INFO_ASCII);
88 :
89 : // An XML import service: what we push sax messages to..
90 0 : OUString sXMLImportService ( "com.sun.star.comp.Draw.XMLOasisImporter" );
91 0 : Reference < XDocumentHandler > xInternalHandler( comphelper::ComponentContext( mxContext ).createComponent( sXMLImportService ), UNO_QUERY );
92 :
93 : // The XImporter sets up an empty target document for XDocumentHandler to write to..
94 0 : Reference < XImporter > xImporter(xInternalHandler, UNO_QUERY);
95 0 : xImporter->setTargetDocument( mxDoc );
96 :
97 : // OO Graphics Handler: abstract class to handle document SAX messages, concrete implementation here
98 : // writes to in-memory target doc
99 0 : DocumentHandler xHandler(xInternalHandler);
100 :
101 0 : WPXSvInputStream input( xInputStream );
102 :
103 0 : OdgGenerator exporter(&xHandler, ODF_FLAT_XML);
104 0 : bool tmpParseResult = libwpg::WPGraphics::parse(&input, &exporter);
105 0 : return tmpParseResult;
106 : }
107 :
108 0 : void SAL_CALL WPGImportFilter::cancel( )
109 : throw (RuntimeException)
110 : {
111 : #ifdef DEBUG
112 : std::cerr << "WPGImportFilter::cancel" << std::endl;
113 : #endif
114 0 : }
115 :
116 : // XImporter
117 0 : void SAL_CALL WPGImportFilter::setTargetDocument( const Reference< ::com::sun::star::lang::XComponent >& xDoc )
118 : throw (::com::sun::star::lang::IllegalArgumentException, RuntimeException)
119 : {
120 : #ifdef DEBUG
121 : std::cerr << "WPGImportFilter::setTargetDocument" << std::endl;
122 : #endif
123 0 : mxDoc = xDoc;
124 0 : }
125 :
126 : // XExtendedFilterDetection
127 0 : OUString SAL_CALL WPGImportFilter::detect( com::sun::star::uno::Sequence< PropertyValue >& Descriptor )
128 : throw( com::sun::star::uno::RuntimeException )
129 : {
130 : #ifdef DEBUG
131 : std::cerr << "WPGImportFilter::detect" << std::endl;
132 : #endif
133 0 : OUString sTypeName;
134 0 : sal_Int32 nLength = Descriptor.getLength();
135 0 : sal_Int32 location = nLength;
136 0 : const PropertyValue *pValue = Descriptor.getConstArray();
137 0 : Reference < XInputStream > xInputStream;
138 0 : for ( sal_Int32 i = 0 ; i < nLength; i++)
139 : {
140 0 : if ( pValue[i].Name == "TypeName" )
141 0 : location=i;
142 0 : else if ( pValue[i].Name == "InputStream" )
143 0 : pValue[i].Value >>= xInputStream;
144 : }
145 :
146 0 : WPXSvInputStream input( xInputStream );
147 :
148 0 : if (libwpg::WPGraphics::isSupported(&input))
149 0 : sTypeName = "draw_WordPerfect_Graphics";
150 :
151 0 : if (!sTypeName.isEmpty())
152 : {
153 0 : if ( location == Descriptor.getLength() )
154 : {
155 0 : Descriptor.realloc(nLength+1);
156 0 : Descriptor[location].Name = "TypeName";
157 : }
158 :
159 0 : Descriptor[location].Value <<=sTypeName;
160 : }
161 0 : return sTypeName;
162 : }
163 :
164 :
165 : // XInitialization
166 0 : void SAL_CALL WPGImportFilter::initialize( const Sequence< Any >& aArguments )
167 : throw (Exception, RuntimeException)
168 : {
169 : #ifdef DEBUG
170 : std::cerr << "WPGImportFilter::initialize" << std::endl;
171 : #endif
172 0 : Sequence < PropertyValue > aAnySeq;
173 0 : sal_Int32 nLength = aArguments.getLength();
174 0 : if ( nLength && ( aArguments[0] >>= aAnySeq ) )
175 : {
176 0 : const PropertyValue *pValue = aAnySeq.getConstArray();
177 0 : nLength = aAnySeq.getLength();
178 0 : for ( sal_Int32 i = 0 ; i < nLength; i++)
179 : {
180 0 : if ( pValue[i].Name == "Type" )
181 : {
182 0 : pValue[i].Value >>= msFilterName;
183 0 : break;
184 : }
185 : }
186 0 : }
187 0 : }
188 0 : OUString WPGImportFilter_getImplementationName ()
189 : throw (RuntimeException)
190 : {
191 : #ifdef DEBUG
192 : std::cerr << "WPGImportFilter_getImplementationName" << std::endl;
193 : #endif
194 0 : return OUString ( "com.sun.star.comp.Draw.WPGImportFilter" );
195 : }
196 :
197 : #define SERVICE_NAME1 "com.sun.star.document.ImportFilter"
198 : #define SERVICE_NAME2 "com.sun.star.document.ExtendedTypeDetection"
199 0 : sal_Bool SAL_CALL WPGImportFilter_supportsService( const OUString &ServiceName )
200 : throw (RuntimeException)
201 : {
202 : #ifdef DEBUG
203 : std::cerr << "WPGImportFilter_supportsService" << std::endl;
204 : #endif
205 0 : return ( ServiceName == SERVICE_NAME1 || ServiceName == SERVICE_NAME2 );
206 : }
207 0 : Sequence< OUString > SAL_CALL WPGImportFilter_getSupportedServiceNames( )
208 : throw (RuntimeException)
209 : {
210 : #ifdef DEBUG
211 : std::cerr << "WPGImportFilter_getSupportedServiceNames" << std::endl;
212 : #endif
213 0 : Sequence < OUString > aRet(2);
214 0 : OUString *pArray = aRet.getArray();
215 0 : pArray[0] = OUString ( SERVICE_NAME1 );
216 0 : pArray[1] = OUString ( SERVICE_NAME2 );
217 0 : return aRet;
218 : }
219 : #undef SERVICE_NAME2
220 : #undef SERVICE_NAME1
221 :
222 0 : Reference< XInterface > SAL_CALL WPGImportFilter_createInstance( const Reference< XComponentContext > & rContext)
223 : throw( Exception )
224 : {
225 : #ifdef DEBUG
226 : std::cerr << "WPGImportFilter_createInstance" << std::endl;
227 : #endif
228 0 : return (cppu::OWeakObject *) new WPGImportFilter( rContext );
229 : }
230 :
231 : // XServiceInfo
232 0 : OUString SAL_CALL WPGImportFilter::getImplementationName( )
233 : throw (RuntimeException)
234 : {
235 : #ifdef DEBUG
236 : std::cerr << "WPGImportFilter::getImplementationName" << std::endl;
237 : #endif
238 0 : return WPGImportFilter_getImplementationName();
239 : }
240 0 : sal_Bool SAL_CALL WPGImportFilter::supportsService( const OUString &rServiceName )
241 : throw (RuntimeException)
242 : {
243 : #ifdef DEBUG
244 : std::cerr << "WPGImportFilter::supportsService" << std::endl;
245 : #endif
246 0 : return WPGImportFilter_supportsService( rServiceName );
247 : }
248 0 : Sequence< OUString > SAL_CALL WPGImportFilter::getSupportedServiceNames( )
249 : throw (RuntimeException)
250 : {
251 : #ifdef DEBUG
252 : std::cerr << "WPGImportFilter::getSupportedServiceNames" << std::endl;
253 : #endif
254 0 : return WPGImportFilter_getSupportedServiceNames();
255 0 : }
256 :
257 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
