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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 "oox/core/fragmenthandler2.hxx"
21 : #include "oox/core/xmlfilterbase.hxx"
22 :
23 : namespace oox {
24 : namespace core {
25 :
26 :
27 :
28 : using namespace ::com::sun::star::uno;
29 : using namespace ::com::sun::star::xml::sax;
30 :
31 :
32 :
33 : using ::com::sun::star::uno::Sequence;
34 :
35 :
36 :
37 0 : FragmentHandler2::FragmentHandler2( XmlFilterBase& rFilter, const OUString& rFragmentPath, bool bEnableTrimSpace ) :
38 : FragmentHandler( rFilter, rFragmentPath ),
39 0 : ContextHandler2Helper( bEnableTrimSpace )
40 : {
41 0 : }
42 :
43 0 : FragmentHandler2::~FragmentHandler2()
44 : {
45 0 : }
46 :
47 : // com.sun.star.xml.sax.XFastDocumentHandler interface --------------------
48 :
49 0 : void SAL_CALL FragmentHandler2::startDocument() throw( SAXException, RuntimeException, std::exception )
50 : {
51 0 : initializeImport();
52 0 : }
53 :
54 0 : void SAL_CALL FragmentHandler2::endDocument() throw( SAXException, RuntimeException, std::exception )
55 : {
56 0 : finalizeImport();
57 0 : }
58 :
59 0 : bool FragmentHandler2::prepareMceContext( sal_Int32 nElement, const AttributeList& rAttribs )
60 : {
61 0 : switch( nElement )
62 : {
63 : case MCE_TOKEN( AlternateContent ):
64 0 : aMceState.push_back( MCE_STARTED );
65 0 : break;
66 :
67 : case MCE_TOKEN( Choice ):
68 : {
69 0 : OUString aRequires = rAttribs.getString( ( XML_Requires ), OUString("none") );
70 0 : if (!getFilter().hasNamespaceURL(aRequires))
71 : // Check to see if we have this namespace defined first,
72 : // because calling getNamespaceURL() would throw if the
73 : // namespace doesn't exist.
74 0 : return false;
75 :
76 0 : aRequires = getFilter().getNamespaceURL( aRequires );
77 0 : if( getFilter().getNamespaceId( aRequires ) > 0 && !aMceState.empty() && aMceState.back() == MCE_STARTED )
78 0 : aMceState.back() = MCE_FOUND_CHOICE;
79 : else
80 0 : return false;
81 : }
82 0 : break;
83 :
84 : case MCE_TOKEN( Fallback ):
85 0 : if( !aMceState.empty() && aMceState.back() == MCE_STARTED )
86 0 : break;
87 0 : return false;
88 : default:
89 : {
90 0 : OUString str = rAttribs.getString( MCE_TOKEN( Ignorable ), OUString() );
91 0 : if( !str.isEmpty() )
92 : {
93 : // Sequence< ::com::sun::star::xml::FastAttribute > attrs = rAttribs.getFastAttributeList()->getFastAttributes();
94 : // printf("MCE: %s\n", OUStringToOString( str, RTL_TEXTENCODING_UTF8 ).getStr() );
95 : // TODO: Check & Get the namespaces in "Ignorable"
96 : // printf("NS: %d : %s\n", attrs.getLength(), OUStringToOString( str, RTL_TEXTENCODING_UTF8 ).getStr() );
97 0 : }
98 : }
99 0 : return false;
100 : }
101 0 : return true;
102 : }
103 :
104 :
105 :
106 : // com.sun.star.xml.sax.XFastContextHandler interface -------------------------
107 :
108 0 : Reference< XFastContextHandler > SAL_CALL FragmentHandler2::createFastChildContext(
109 : sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs ) throw( SAXException, RuntimeException, std::exception )
110 : {
111 0 : if( getNamespace( nElement ) == NMSP_mce ) // TODO for checking 'Ignorable'
112 : {
113 0 : if( prepareMceContext( nElement, AttributeList( rxAttribs ) ) )
114 0 : return getFastContextHandler();
115 0 : return NULL;
116 : }
117 0 : return implCreateChildContext( nElement, rxAttribs );
118 : }
119 :
120 0 : void SAL_CALL FragmentHandler2::startFastElement(
121 : sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs ) throw( SAXException, RuntimeException, std::exception )
122 : {
123 0 : implStartElement( nElement, rxAttribs );
124 0 : }
125 :
126 0 : void SAL_CALL FragmentHandler2::characters( const OUString& rChars ) throw( SAXException, RuntimeException, std::exception )
127 : {
128 0 : implCharacters( rChars );
129 0 : }
130 :
131 0 : void SAL_CALL FragmentHandler2::endFastElement( sal_Int32 nElement ) throw( SAXException, RuntimeException, std::exception )
132 : {
133 : /* If MCE */
134 0 : switch( nElement )
135 : {
136 : case MCE_TOKEN( AlternateContent ):
137 0 : aMceState.pop_back();
138 0 : break;
139 : }
140 :
141 0 : implEndElement( nElement );
142 0 : }
143 :
144 : // oox.core.ContextHandler interface ------------------------------------------
145 :
146 0 : ContextHandlerRef FragmentHandler2::createRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm )
147 : {
148 0 : return implCreateRecordContext( nRecId, rStrm );
149 : }
150 :
151 0 : void FragmentHandler2::startRecord( sal_Int32 nRecId, SequenceInputStream& rStrm )
152 : {
153 0 : implStartRecord( nRecId, rStrm );
154 0 : }
155 :
156 0 : void FragmentHandler2::endRecord( sal_Int32 nRecId )
157 : {
158 0 : implEndRecord( nRecId );
159 0 : }
160 :
161 : // oox.core.ContextHandler2Helper interface -----------------------------------
162 :
163 0 : ContextHandlerRef FragmentHandler2::onCreateContext( sal_Int32, const AttributeList& )
164 : {
165 0 : return 0;
166 : }
167 :
168 0 : void FragmentHandler2::onStartElement( const AttributeList& )
169 : {
170 0 : }
171 :
172 0 : void FragmentHandler2::onCharacters( const OUString& )
173 : {
174 0 : }
175 :
176 0 : void FragmentHandler2::onEndElement()
177 : {
178 0 : }
179 :
180 0 : ContextHandlerRef FragmentHandler2::onCreateRecordContext( sal_Int32, SequenceInputStream& )
181 : {
182 0 : return 0;
183 : }
184 :
185 0 : void FragmentHandler2::onStartRecord( SequenceInputStream& )
186 : {
187 0 : }
188 :
189 0 : void FragmentHandler2::onEndRecord()
190 : {
191 0 : }
192 :
193 : // oox.core.FragmentHandler2 interface ----------------------------------------
194 :
195 0 : void FragmentHandler2::initializeImport()
196 : {
197 0 : }
198 :
199 0 : void FragmentHandler2::finalizeImport()
200 : {
201 0 : }
202 :
203 :
204 :
205 : } // namespace core
206 0 : } // namespace oox
207 :
208 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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