Line data    Source code

       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 "TokenContext.hxx"
      21             : #include <xmloff/xmltkmap.hxx>
      22             : #include <xmloff/xmlimp.hxx>
      23             : #include <xmloff/nmspmap.hxx>
      24             : #include "xmloff/xmlerror.hxx"
      25             : 
      26             : #include <tools/debug.hxx>
      27             : 
      28             : using rtl::OUString;
      29             : using com::sun::star::uno::Reference;
      30             : using com::sun::star::xml::sax::XAttributeList;
      31             : 
      32             : 
      33             : struct SvXMLTokenMapEntry aEmptyMap[1] =
      34             : {
      35             :     XML_TOKEN_MAP_END
      36             : };
      37             : 
      38             : 
      39           0 : TokenContext::TokenContext( SvXMLImport& rImport,
      40             :                             sal_uInt16 nPrefix,
      41             :                             const OUString& rLocalName,
      42             :                             const SvXMLTokenMapEntry* pAttributes,
      43             :                             const SvXMLTokenMapEntry* pChildren )
      44             :     : SvXMLImportContext( rImport, nPrefix, rLocalName ),
      45             :       mpAttributes( pAttributes ),
      46           0 :       mpChildren( pChildren )
      47             : {
      48           0 : }
      49             : 
      50           0 : TokenContext::~TokenContext()
      51             : {
      52           0 : }
      53             : 
      54           0 : void TokenContext::StartElement(
      55             :     const Reference<XAttributeList>& xAttributeList )
      56             : {
      57             :     // iterate over attributes
      58             :     // - if in map: call HandleAttribute
      59             :     // - xmlns:... : ignore
      60             :     // - other: warning
      61             :     DBG_ASSERT( mpAttributes != NULL, "no token map for attributes" );
      62           0 :     SvXMLTokenMap aMap( mpAttributes );
      63             : 
      64           0 :     sal_Int16 nCount = xAttributeList->getLength();
      65           0 :     for( sal_Int16 i = 0; i < nCount; i++ )
      66             :     {
      67             :         // get key/local-name pair from namespace map
      68           0 :         OUString sLocalName;
      69           0 :         sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
      70           0 :             GetKeyByAttrName( xAttributeList->getNameByIndex(i), &sLocalName );
      71             : 
      72             :         // get token from token map
      73           0 :         sal_uInt16 nToken = aMap.Get( nPrefix, sLocalName );
      74             : 
      75             :         // and the value...
      76           0 :         const OUString& rValue = xAttributeList->getValueByIndex(i);
      77             : 
      78           0 :         if( nToken != XML_TOK_UNKNOWN )
      79             :         {
      80           0 :             HandleAttribute( nToken, rValue );
      81             :         }
      82           0 :         else if( nPrefix != XML_NAMESPACE_XMLNS )
      83             :         {
      84             :             // error handling, for all attribute that are not
      85             :             // namespace declarations
      86           0 :             GetImport().SetError( XMLERROR_UNKNOWN_ATTRIBUTE,
      87           0 :                                   sLocalName, rValue);
      88             :         }
      89           0 :     }
      90           0 : }
      91             : 
      92           0 : SvXMLImportContext* TokenContext::CreateChildContext(
      93             :     sal_uInt16 nPrefix,
      94             :     const OUString& rLocalName,
      95             :     const Reference<XAttributeList>& xAttrList )
      96             : {
      97             :     // call HandleChild for elements in token map. Ignore other content.
      98             : 
      99           0 :     SvXMLImportContext* pContext = NULL;
     100             : 
     101             :     DBG_ASSERT( mpChildren != NULL, "no token map for child elements" );
     102           0 :     SvXMLTokenMap aMap( mpChildren );
     103           0 :     sal_uInt16 nToken = aMap.Get( nPrefix, rLocalName );
     104           0 :     if( nToken != XML_TOK_UNKNOWN )
     105             :     {
     106             :         // call handle child, and pass down arguments
     107           0 :         pContext = HandleChild( nToken, nPrefix, rLocalName, xAttrList );
     108             :     }
     109             : 
     110             :     // error handling: create default context and generate warning
     111           0 :     if( pContext == NULL )
     112             :     {
     113           0 :         GetImport().SetError( XMLERROR_UNKNOWN_ELEMENT, rLocalName );
     114           0 :         pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
     115             :     }
     116           0 :     return pContext;
     117             : }
     118             : 
     119           0 : static bool lcl_IsWhiteSpace( sal_Unicode c )
     120             : {
     121             :     return c == sal_Unicode(  ' ' )
     122             :         || c == sal_Unicode( 0x09 )
     123             :         || c == sal_Unicode( 0x0A )
     124           0 :         || c == sal_Unicode( 0x0D );
     125             : }
     126             : 
     127           0 : void TokenContext::Characters( const ::rtl::OUString& rCharacters )
     128             : {
     129             :     // get iterators for string data
     130           0 :     const sal_Unicode* pBegin = rCharacters.getStr();
     131           0 :     const sal_Unicode* pEnd = &( pBegin[ rCharacters.getLength() ] );
     132             : 
     133             :     // raise error if non-whitespace character is found
     134           0 :     if( ::std::find_if( pBegin, pEnd, ::std::not1(::std::ptr_fun(lcl_IsWhiteSpace)) ) != pEnd )
     135           0 :         GetImport().SetError( XMLERROR_UNKNOWN_CHARACTERS, rCharacters );
     136           0 : }
     137             : 
     138             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */