oox/source/core/fragmenthandler2.cxx

   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 FragmentHandler2::FragmentHandler2( XmlFilterBase& rFilter, const OUString& rFragmentPath, bool bEnableTrimSpace ) :
  38     FragmentHandler( rFilter, rFragmentPath ),
  39     ContextHandler2Helper( bEnableTrimSpace )
  40 {
  41 }
  42
  43 FragmentHandler2::~FragmentHandler2()
  44 {
  45 }
  46
  47 // com.sun.star.xml.sax.XFastDocumentHandler interface --------------------
  48
  49 void SAL_CALL FragmentHandler2::startDocument() throw( SAXException, RuntimeException )
  50 {
  51     initializeImport();
  52 }
  53
  54 void SAL_CALL FragmentHandler2::endDocument() throw( SAXException, RuntimeException )
  55 {
  56     finalizeImport();
  57 }
  58
  59 bool FragmentHandler2::prepareMceContext( sal_Int32 nElement, const AttributeList& rAttribs )
  60 {
  61     switch( nElement )
  62     {
  63         case MCE_TOKEN( AlternateContent ):
  64             aMceState.push_back( MCE_STARTED );
  65             break;
  66
  67         case MCE_TOKEN( Choice ):
  68             {
  69                 OUString aRequires = rAttribs.getString( ( XML_Requires ), OUString("none") );
  70                 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                     return false;
  75
  76                 aRequires = getFilter().getNamespaceURL( aRequires );
  77                 if( getFilter().getNamespaceId( aRequires ) > 0 && !aMceState.empty() && aMceState.back() == MCE_STARTED )
  78                     aMceState.back() = MCE_FOUND_CHOICE;
  79                 else
  80                     return false;
  81             }
  82             break;
  83
  84         case MCE_TOKEN( Fallback ):
  85             if( !aMceState.empty() && aMceState.back() == MCE_STARTED )
  86                 break;
  87             return false;
  88         default:
  89             {
  90                 OUString str = rAttribs.getString( MCE_TOKEN( Ignorable ), OUString() );
  91                 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                 }
  98             }
  99             return false;
 100     }
 101     return true;
 102 }
 103
 104
 105
 106 // com.sun.star.xml.sax.XFastContextHandler interface -------------------------
 107
 108 Reference< XFastContextHandler > SAL_CALL FragmentHandler2::createFastChildContext(
 109         sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs ) throw( SAXException, RuntimeException )
 110 {
 111     if( getNamespace( nElement ) == NMSP_mce ) // TODO for checking 'Ignorable'
 112     {
 113         if( prepareMceContext( nElement, AttributeList( rxAttribs ) ) )
 114             return getFastContextHandler();
 115         return NULL;
 116     }
 117     return implCreateChildContext( nElement, rxAttribs );
 118 }
 119
 120 void SAL_CALL FragmentHandler2::startFastElement(
 121         sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs ) throw( SAXException, RuntimeException )
 122 {
 123     implStartElement( nElement, rxAttribs );
 124 }
 125
 126 void SAL_CALL FragmentHandler2::characters( const OUString& rChars ) throw( SAXException, RuntimeException )
 127 {
 128     implCharacters( rChars );
 129 }
 130
 131 void SAL_CALL FragmentHandler2::endFastElement( sal_Int32 nElement ) throw( SAXException, RuntimeException )
 132 {
 133     /* If MCE */
 134     switch( nElement )
 135     {
 136         case MCE_TOKEN( AlternateContent ):
 137             aMceState.pop_back();
 138             break;
 139     }
 140
 141     implEndElement( nElement );
 142 }
 143
 144 // oox.core.ContextHandler interface ------------------------------------------
 145
 146 ContextHandlerRef FragmentHandler2::createRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm )
 147 {
 148     return implCreateRecordContext( nRecId, rStrm );
 149 }
 150
 151 void FragmentHandler2::startRecord( sal_Int32 nRecId, SequenceInputStream& rStrm )
 152 {
 153     implStartRecord( nRecId, rStrm );
 154 }
 155
 156 void FragmentHandler2::endRecord( sal_Int32 nRecId )
 157 {
 158     implEndRecord( nRecId );
 159 }
 160
 161 // oox.core.ContextHandler2Helper interface -----------------------------------
 162
 163 ContextHandlerRef FragmentHandler2::onCreateContext( sal_Int32, const AttributeList& )
 164 {
 165     return 0;
 166 }
 167
 168 void FragmentHandler2::onStartElement( const AttributeList& )
 169 {
 170 }
 171
 172 void FragmentHandler2::onCharacters( const OUString& )
 173 {
 174 }
 175
 176 void FragmentHandler2::onEndElement()
 177 {
 178 }
 179
 180 ContextHandlerRef FragmentHandler2::onCreateRecordContext( sal_Int32, SequenceInputStream& )
 181 {
 182     return 0;
 183 }
 184
 185 void FragmentHandler2::onStartRecord( SequenceInputStream& )
 186 {
 187 }
 188
 189 void FragmentHandler2::onEndRecord()
 190 {
 191 }
 192
 193 // oox.core.FragmentHandler2 interface ----------------------------------------
 194
 195 void FragmentHandler2::initializeImport()
 196 {
 197 }
 198
 199 void FragmentHandler2::finalizeImport()
 200 {
 201 }
 202
 203 // ============================================================================
 204
 205 } // namespace core
 206 } // namespace oox
 207
 208 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */