summaryrefslogtreecommitdiff
path: root/xmloff/source/core/XMLEmbeddedObjectImportContext.cxx
blob: 36bb7e4d8e7e2d672f35b0ddee9d5e296b135ab1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <sal/config.h>

#include <string_view>

#include <sal/log.hxx>
#include <com/sun/star/document/XImporter.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/util/XModifiable2.hpp>
#include <tools/globname.hxx>
#include <comphelper/classids.hxx>
#include <xmloff/namespacemap.hxx>
#include <xmloff/xmlimp.hxx>
#include <xmloff/xmlnamespace.hxx>
#include <xmloff/xmltoken.hxx>
#include <xmloff/attrlist.hxx>
#include <xmloff/XMLFilterServiceNames.h>
#include <XMLEmbeddedObjectImportContext.hxx>

using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::document;
using namespace ::com::sun::star::xml::sax;
using namespace ::xmloff::token;

namespace {

class XMLEmbeddedObjectImportContext_Impl : public SvXMLImportContext
{
    css::uno::Reference< css::xml::sax::XDocumentHandler > xHandler;

public:

    XMLEmbeddedObjectImportContext_Impl( SvXMLImport& rImport, sal_uInt16 nPrfx,
                                    const OUString& rLName,
    const css::uno::Reference< css::xml::sax::XDocumentHandler >& rHandler );

    virtual SvXMLImportContextRef CreateChildContext( sal_uInt16 nPrefix,
                                   const OUString& rLocalName,
                                   const css::uno::Reference< css::xml::sax::XAttributeList >& xAttrList ) override;

    virtual void StartElement( const css::uno::Reference< css::xml::sax::XAttributeList >& xAttrList ) override;

    virtual void EndElement() override;

    virtual void Characters( const OUString& rChars ) override;
};

}

XMLEmbeddedObjectImportContext_Impl::XMLEmbeddedObjectImportContext_Impl(
        SvXMLImport& rImport, sal_uInt16 nPrfx,
        const OUString& rLName,
        const Reference< XDocumentHandler >& rHandler ) :
    SvXMLImportContext( rImport, nPrfx, rLName ),
    xHandler( rHandler )
{
    assert(xHandler);
}

SvXMLImportContextRef XMLEmbeddedObjectImportContext_Impl::CreateChildContext(
        sal_uInt16 nPrefix,
        const OUString& rLocalName,
        const Reference< XAttributeList >& )
{
    return new XMLEmbeddedObjectImportContext_Impl( GetImport(),
                                                    nPrefix, rLocalName,
                                                    xHandler );
}

void XMLEmbeddedObjectImportContext_Impl::StartElement(
        const Reference< XAttributeList >& xAttrList )
{
    xHandler->startElement( GetImport().GetNamespaceMap().GetQNameByKey(
                                GetPrefix(), GetLocalName() ),
                            xAttrList );
}

void XMLEmbeddedObjectImportContext_Impl::EndElement()
{
    xHandler->endElement( GetImport().GetNamespaceMap().GetQNameByKey(
                                GetPrefix(), GetLocalName() ) );
}

void XMLEmbeddedObjectImportContext_Impl::Characters( const OUString& rChars )
{
    xHandler->characters( rChars );
}


void XMLEmbeddedObjectImportContext::SetComponent( Reference< XComponent > const & rComp )
{
    if( !rComp.is() || sFilterService.isEmpty() )
        return;

    Sequence<Any> aArgs( 0 );

    Reference< XComponentContext > xContext( GetImport().GetComponentContext() );

    Reference<XInterface> xFilter =
        xContext->getServiceManager()->createInstanceWithArgumentsAndContext(sFilterService, aArgs, xContext);
    SAL_WARN_IF(!xFilter, "xmloff", "could not create filter " << sFilterService);
    if( !xFilter.is() )
        return;

    if (SvXMLImport *pFastHandler = dynamic_cast<SvXMLImport*>(xFilter.get()))
        xHandler.set( new SvXMLLegacyToFastDocHandler( pFastHandler ) );
    else
        xHandler.set(xFilter, UNO_QUERY);

    assert( xHandler );

    try
    {
        Reference < XModifiable2 > xModifiable2( rComp, UNO_QUERY_THROW );
        xModifiable2->disableSetModified();
    }
    catch( Exception& )
    {
    }

    Reference < XImporter > xImporter( xHandler, UNO_QUERY );
    xImporter->setTargetDocument( rComp );

    xComp = rComp;  // keep ref to component only if there is a handler
}

XMLEmbeddedObjectImportContext::XMLEmbeddedObjectImportContext(
        SvXMLImport& rImport, sal_uInt16 nPrfx, const OUString& rLName,
        const Reference< XAttributeList >& xAttrList ) :
    SvXMLImportContext( rImport, nPrfx, rLName )
{
    SvGlobalName aName;

    if( nPrfx == XML_NAMESPACE_MATH &&
        IsXMLToken( rLName, XML_MATH ) )
    {
        sFilterService = XML_IMPORT_FILTER_MATH;
        aName = SvGlobalName(SO3_SM_CLASSID);
    }
    else if( nPrfx == XML_NAMESPACE_OFFICE &&
        IsXMLToken( rLName, XML_DOCUMENT ) )
    {
        OUString sMime;

        sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
        for( sal_Int16 i=0; i < nAttrCount; i++ )
        {
            const OUString& rAttrName = xAttrList->getNameByIndex( i );
            OUString aLocalName;
            sal_uInt16 nPrefix = GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName, &aLocalName );
            if( nPrefix == XML_NAMESPACE_OFFICE &&
                IsXMLToken( aLocalName, XML_MIMETYPE ) )
            {
                sMime = xAttrList->getValueByIndex( i );
                break;
            }
        }

        OUString sClass;
        static std::u16string_view const prefixes[] = {
            u"application/vnd.oasis.openoffice.",
            u"application/x-vnd.oasis.openoffice.",
            u"application/vnd.oasis.opendocument.",
            u"application/x-vnd.oasis.opendocument."};
        for (auto const & p: prefixes)
        {
            if (sMime.startsWith(p, &sClass))
            {
                break;
            }
        }

        if( !sClass.isEmpty() )
        {
            static struct { XMLTokenEnum eClass; std::u16string_view sFilterService;
            } const aServiceMap[] = {
                { XML_TEXT,         std::u16string_view(u"" XML_IMPORT_FILTER_WRITER) },
                { XML_ONLINE_TEXT,  std::u16string_view(u"" XML_IMPORT_FILTER_WRITER) },
                { XML_SPREADSHEET,  std::u16string_view(u"" XML_IMPORT_FILTER_CALC) },
                { XML_DRAWING,      std::u16string_view(u"" XML_IMPORT_FILTER_DRAW) },
                { XML_GRAPHICS,     std::u16string_view(u"" XML_IMPORT_FILTER_DRAW) },
                { XML_PRESENTATION, std::u16string_view(u"" XML_IMPORT_FILTER_IMPRESS) },
                { XML_CHART,        std::u16string_view(u"" XML_IMPORT_FILTER_CHART) }};
            for (auto const & entry: aServiceMap)
            {
                if( IsXMLToken( sClass, entry.eClass ) )
                {
                    sFilterService = entry.sFilterService;

                    switch( entry.eClass )
                    {
                    case XML_TEXT:          aName = SvGlobalName(SO3_SW_CLASSID); break;
                    case XML_ONLINE_TEXT:   aName = SvGlobalName(SO3_SWWEB_CLASSID); break;
                    case XML_SPREADSHEET:   aName = SvGlobalName(SO3_SC_CLASSID); break;
                    case XML_DRAWING:
                    case XML_GRAPHICS:
                    case XML_IMAGE:     aName = SvGlobalName(SO3_SDRAW_CLASSID); break;
                    case XML_PRESENTATION:  aName = SvGlobalName(SO3_SIMPRESS_CLASSID); break;
                    case XML_CHART:         aName = SvGlobalName(SO3_SCH_CLASSID); break;
                    default:
                        break;
                    }

                    break;
                }
            }
        }
    }

    sCLSID = aName.GetHexName();
}

XMLEmbeddedObjectImportContext::~XMLEmbeddedObjectImportContext()
{
}

SvXMLImportContextRef XMLEmbeddedObjectImportContext::CreateChildContext(
        sal_uInt16 nPrefix, const OUString& rLocalName,
        const Reference< XAttributeList >& )
{
    if( xHandler.is() )
        return new XMLEmbeddedObjectImportContext_Impl( GetImport(),
                                                        nPrefix, rLocalName,
                                                        xHandler );
    return nullptr;
}

void XMLEmbeddedObjectImportContext::StartElement(
        const Reference< XAttributeList >& rAttrList )
{
    if( !xHandler.is() )
        return;

    xHandler->startDocument();
    // #i34042: copy namepspace declarations
    SvXMLAttributeList *pAttrList = new SvXMLAttributeList( rAttrList );
    Reference< XAttributeList > xAttrList( pAttrList );
    const SvXMLNamespaceMap& rNamespaceMap = GetImport().GetNamespaceMap();
    sal_uInt16 nPos = rNamespaceMap.GetFirstKey();
    while( USHRT_MAX != nPos )
    {
        OUString aAttrName( rNamespaceMap.GetAttrNameByKey( nPos ) );
        if( xAttrList->getValueByName( aAttrName ).isEmpty() )
        {
            pAttrList->AddAttribute( aAttrName,
                                      rNamespaceMap.GetNameByKey( nPos ) );
        }
        nPos = rNamespaceMap.GetNextKey( nPos );
    }
    xHandler->startElement( GetImport().GetNamespaceMap().GetQNameByKey(
                                GetPrefix(), GetLocalName() ),
                            xAttrList );
}

void XMLEmbeddedObjectImportContext::EndElement()
{
    if( !xHandler.is() )
        return;

    xHandler->endElement( GetImport().GetNamespaceMap().GetQNameByKey(
                                GetPrefix(), GetLocalName() ) );
    xHandler->endDocument();

    try
    {
        Reference < XModifiable2 > xModifiable2( xComp, UNO_QUERY_THROW );
        xModifiable2->enableSetModified();
        xModifiable2->setModified( true ); // trigger new replacement image generation
    }
    catch( Exception& )
    {
    }
}

void XMLEmbeddedObjectImportContext::Characters( const OUString& rChars )
{
    if( xHandler.is() )
        xHandler->characters( rChars );
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */