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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 : #include <cppuhelper/supportsservice.hxx>
27 :
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, std::exception)
61 : {
62 : SAL_INFO("writerperfect", "WPGImportFilter::filter");
63 0 : sal_Int32 nLength = aDescriptor.getLength();
64 0 : const PropertyValue *pValue = aDescriptor.getConstArray();
65 0 : Reference < XInputStream > xInputStream;
66 0 : for ( sal_Int32 i = 0 ; i < nLength; i++)
67 : {
68 0 : if ( pValue[i].Name == "InputStream" )
69 0 : pValue[i].Value >>= xInputStream;
70 : }
71 0 : if ( !xInputStream.is() )
72 : {
73 : OSL_ASSERT( false );
74 0 : return sal_False;
75 : }
76 :
77 : // An XML import service: what we push sax messages to..
78 : Reference < XDocumentHandler > xInternalHandler(
79 0 : mxContext->getServiceManager()->createInstanceWithContext(
80 0 : "com.sun.star.comp.Draw.XMLOasisImporter", mxContext),
81 0 : css::uno::UNO_QUERY_THROW);
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, std::exception)
100 : {
101 : SAL_INFO("writerperfect", "WPGImportFilter::cancel");
102 0 : }
103 :
104 : // XImporter
105 0 : void SAL_CALL WPGImportFilter::setTargetDocument( const Reference< ::com::sun::star::lang::XComponent >& xDoc )
106 : throw (::com::sun::star::lang::IllegalArgumentException, RuntimeException, std::exception)
107 : {
108 : SAL_INFO("writerperfect", "WPGImportFilter::setTargetDocument");
109 0 : mxDoc = xDoc;
110 0 : }
111 :
112 : // XExtendedFilterDetection
113 0 : OUString SAL_CALL WPGImportFilter::detect( com::sun::star::uno::Sequence< PropertyValue >& Descriptor )
114 : throw( com::sun::star::uno::RuntimeException, std::exception )
115 : {
116 : SAL_INFO("writerperfect", "WPGImportFilter::detect");
117 0 : OUString sTypeName;
118 0 : sal_Int32 nLength = Descriptor.getLength();
119 0 : sal_Int32 location = nLength;
120 0 : const PropertyValue *pValue = Descriptor.getConstArray();
121 0 : Reference < XInputStream > xInputStream;
122 0 : for ( sal_Int32 i = 0 ; i < nLength; i++)
123 : {
124 0 : if ( pValue[i].Name == "TypeName" )
125 0 : location=i;
126 0 : else if ( pValue[i].Name == "InputStream" )
127 0 : pValue[i].Value >>= xInputStream;
128 : }
129 :
130 0 : if (!xInputStream.is())
131 0 : return OUString();
132 :
133 0 : WPXSvInputStream input( xInputStream );
134 :
135 0 : if (libwpg::WPGraphics::isSupported(&input))
136 0 : sTypeName = "draw_WordPerfect_Graphics";
137 :
138 0 : if (!sTypeName.isEmpty())
139 : {
140 0 : if ( location == nLength )
141 : {
142 0 : Descriptor.realloc(nLength+1);
143 0 : Descriptor[location].Name = "TypeName";
144 : }
145 :
146 0 : Descriptor[location].Value <<=sTypeName;
147 : }
148 0 : return sTypeName;
149 : }
150 :
151 :
152 : // XInitialization
153 0 : void SAL_CALL WPGImportFilter::initialize( const Sequence< Any >& aArguments )
154 : throw (Exception, RuntimeException, std::exception)
155 : {
156 : SAL_INFO("writerperfect", "WPGImportFilter::initialize");
157 0 : Sequence < PropertyValue > aAnySeq;
158 0 : sal_Int32 nLength = aArguments.getLength();
159 0 : if ( nLength && ( aArguments[0] >>= aAnySeq ) )
160 : {
161 0 : const PropertyValue *pValue = aAnySeq.getConstArray();
162 0 : nLength = aAnySeq.getLength();
163 0 : for ( sal_Int32 i = 0 ; i < nLength; i++)
164 : {
165 0 : if ( pValue[i].Name == "Type" )
166 : {
167 0 : pValue[i].Value >>= msFilterName;
168 0 : break;
169 : }
170 : }
171 0 : }
172 0 : }
173 0 : OUString WPGImportFilter_getImplementationName ()
174 : throw (RuntimeException)
175 : {
176 : SAL_INFO("writerperfect", "WPGImportFilter_getImplementationName");
177 0 : return OUString ( "com.sun.star.comp.Draw.WPGImportFilter" );
178 : }
179 :
180 0 : Sequence< OUString > SAL_CALL WPGImportFilter_getSupportedServiceNames( )
181 : throw (RuntimeException)
182 : {
183 : SAL_INFO("writerperfect", "WPGImportFilter_getSupportedServiceNames");
184 0 : Sequence < OUString > aRet(2);
185 0 : OUString *pArray = aRet.getArray();
186 0 : pArray[0] = "com.sun.star.document.ImportFilter";
187 0 : pArray[1] = "com.sun.star.document.ExtendedTypeDetection";
188 0 : return aRet;
189 : }
190 :
191 0 : Reference< XInterface > SAL_CALL WPGImportFilter_createInstance( const Reference< XComponentContext > & rContext)
192 : throw( Exception )
193 : {
194 : SAL_INFO("writerperfect", "WPGImportFilter_createInstance");
195 0 : return (cppu::OWeakObject *) new WPGImportFilter( rContext );
196 : }
197 :
198 : // XServiceInfo
199 0 : OUString SAL_CALL WPGImportFilter::getImplementationName( )
200 : throw (RuntimeException, std::exception)
201 : {
202 : SAL_INFO("writerperfect", "WPGImportFilter::getImplementationName");
203 0 : return WPGImportFilter_getImplementationName();
204 : }
205 0 : sal_Bool SAL_CALL WPGImportFilter::supportsService( const OUString &rServiceName )
206 : throw (RuntimeException, std::exception)
207 : {
208 : SAL_INFO("writerperfect", "WPGImportFilter::supportsService");
209 0 : return cppu::supportsService( this, rServiceName );
210 : }
211 0 : Sequence< OUString > SAL_CALL WPGImportFilter::getSupportedServiceNames( )
212 : throw (RuntimeException, std::exception)
213 : {
214 : SAL_INFO("writerperfect", "WPGImportFilter::getSupportedServiceNames");
215 0 : return WPGImportFilter_getSupportedServiceNames();
216 0 : }
217 :
218 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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