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 <sal/config.h>
      21             : 
      22             : #include "TokenContext.hxx"
      23             : #include <xmloff/xmltkmap.hxx>
      24             : #include <xmloff/xmlimp.hxx>
      25             : #include <xmloff/nmspmap.hxx>
      26             : #include <xmloff/xmlerror.hxx>
      27             : 
      28             : #include <tools/debug.hxx>
      29             : #include <algorithm>
      30             : 
      31             : using com::sun::star::uno::Reference;
      32             : using com::sun::star::xml::sax::XAttributeList;
      33             : 
      34             : 
      35             : struct SvXMLTokenMapEntry aEmptyMap[1] =
      36             : {
      37             :     XML_TOKEN_MAP_END
      38             : };
      39             : 
      40             : 
      41           0 : TokenContext::TokenContext( SvXMLImport& rImport,
      42             :                             sal_uInt16 nPrefix,
      43             :                             const OUString& rLocalName,
      44             :                             const SvXMLTokenMapEntry* pAttributes,
      45             :                             const SvXMLTokenMapEntry* pChildren )
      46             :     : SvXMLImportContext( rImport, nPrefix, rLocalName ),
      47             :       mpAttributes( pAttributes ),
      48           0 :       mpChildren( pChildren )
      49             : {
      50           0 : }
      51             : 
      52           0 : TokenContext::~TokenContext()
      53             : {
      54           0 : }
      55             : 
      56           0 : void TokenContext::StartElement(
      57             :     const Reference<XAttributeList>& xAttributeList )
      58             : {
      59             :     // iterate over attributes
      60             :     // - if in map: call HandleAttribute
      61             :     // - xmlns:... : ignore
      62             :     // - other: warning
      63             :     DBG_ASSERT( mpAttributes != NULL, "no token map for attributes" );
      64           0 :     SvXMLTokenMap aMap( mpAttributes );
      65             : 
      66           0 :     sal_Int16 nCount = xAttributeList->getLength();
      67           0 :     for( sal_Int16 i = 0; i < nCount; i++ )
      68             :     {
      69             :         // get key/local-name pair from namespace map
      70           0 :         OUString sLocalName;
      71           0 :         sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
      72           0 :             GetKeyByAttrName( xAttributeList->getNameByIndex(i), &sLocalName );
      73             : 
      74             :         // get token from token map
      75           0 :         sal_uInt16 nToken = aMap.Get( nPrefix, sLocalName );
      76             : 
      77             :         // and the value...
      78           0 :         const OUString& rValue = xAttributeList->getValueByIndex(i);
      79             : 
      80           0 :         if( nToken != XML_TOK_UNKNOWN )
      81             :         {
      82           0 :             HandleAttribute( nToken, rValue );
      83             :         }
      84           0 :         else if( nPrefix != XML_NAMESPACE_XMLNS )
      85             :         {
      86             :             // error handling, for all attribute that are not
      87             :             // namespace declarations
      88           0 :             GetImport().SetError( XMLERROR_UNKNOWN_ATTRIBUTE,
      89           0 :                                   sLocalName, rValue);
      90             :         }
      91           0 :     }
      92           0 : }
      93             : 
      94           0 : SvXMLImportContext* TokenContext::CreateChildContext(
      95             :     sal_uInt16 nPrefix,
      96             :     const OUString& rLocalName,
      97             :     const Reference<XAttributeList>& xAttrList )
      98             : {
      99             :     // call HandleChild for elements in token map. Ignore other content.
     100             : 
     101           0 :     SvXMLImportContext* pContext = NULL;
     102             : 
     103             :     DBG_ASSERT( mpChildren != NULL, "no token map for child elements" );
     104           0 :     SvXMLTokenMap aMap( mpChildren );
     105           0 :     sal_uInt16 nToken = aMap.Get( nPrefix, rLocalName );
     106           0 :     if( nToken != XML_TOK_UNKNOWN )
     107             :     {
     108             :         // call handle child, and pass down arguments
     109           0 :         pContext = HandleChild( nToken, nPrefix, rLocalName, xAttrList );
     110             :     }
     111             : 
     112             :     // error handling: create default context and generate warning
     113           0 :     if( pContext == NULL )
     114             :     {
     115           0 :         GetImport().SetError( XMLERROR_UNKNOWN_ELEMENT, rLocalName );
     116           0 :         pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
     117             :     }
     118           0 :     return pContext;
     119             : }
     120             : 
     121           0 : static bool lcl_IsWhiteSpace( sal_Unicode c )
     122             : {
     123             :     return c == ' '
     124           0 :         || c == sal_Unicode( 0x09 )
     125           0 :         || c == sal_Unicode( 0x0A )
     126           0 :         || c == sal_Unicode( 0x0D );
     127             : }
     128             : 
     129           0 : void TokenContext::Characters( const OUString& rCharacters )
     130             : {
     131             :     // get iterators for string data
     132           0 :     const sal_Unicode* pBegin = rCharacters.getStr();
     133           0 :     const sal_Unicode* pEnd = &( pBegin[ rCharacters.getLength() ] );
     134             : 
     135             :     // raise error if non-whitespace character is found
     136           0 :     if( !::std::all_of( pBegin, pEnd, lcl_IsWhiteSpace ) )
     137           0 :         GetImport().SetError( XMLERROR_UNKNOWN_CHARACTERS, rCharacters );
     138           0 : }
     139             : 
     140             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */