LCOV - code coverage report
Current view: top level - xmloff/source/core - DomBuilderContext.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 0 63 0.0 %
Date: 2015-06-13 12:38:46 Functions: 0 11 0.0 %
Legend: Lines: hit not hit

          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             : 
      21             : #include "DomBuilderContext.hxx"
      22             : 
      23             : #include <xmloff/nmspmap.hxx>
      24             : #include <xmloff/xmlimp.hxx>
      25             : #include <xmloff/xmlerror.hxx>
      26             : 
      27             : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
      28             : #include <com/sun/star/uno/Reference.hxx>
      29             : #include <com/sun/star/uno/Sequence.hxx>
      30             : #include <com/sun/star/xml/dom/XAttr.hpp>
      31             : #include <com/sun/star/xml/dom/DocumentBuilder.hpp>
      32             : #include <com/sun/star/xml/dom/XNode.hpp>
      33             : #include <com/sun/star/xml/dom/XElement.hpp>
      34             : #include <com/sun/star/xml/sax/XAttributeList.hpp>
      35             : #include <com/sun/star/xml/dom/NodeType.hpp>
      36             : 
      37             : #include <rtl/ustring.hxx>
      38             : #include <tools/debug.hxx>
      39             : 
      40             : #include <comphelper/processfactory.hxx>
      41             : 
      42             : 
      43             : using com::sun::star::lang::XMultiServiceFactory;
      44             : using com::sun::star::uno::XComponentContext;
      45             : using com::sun::star::uno::Reference;
      46             : using com::sun::star::uno::Sequence;
      47             : using com::sun::star::uno::UNO_QUERY;
      48             : using com::sun::star::uno::UNO_QUERY_THROW;
      49             : using com::sun::star::xml::dom::DocumentBuilder;
      50             : using com::sun::star::xml::dom::XAttr;
      51             : using com::sun::star::xml::dom::XDocument;
      52             : using com::sun::star::xml::dom::XDocumentBuilder;
      53             : using com::sun::star::xml::dom::XNode;
      54             : using com::sun::star::xml::dom::XElement;
      55             : using com::sun::star::xml::sax::XAttributeList;
      56             : using com::sun::star::xml::dom::NodeType_ELEMENT_NODE;
      57             : 
      58             : 
      59             : // helper functions; implemented below
      60             : static Reference<XNode> lcl_createDomInstance();
      61             : static Reference<XNode> lcl_createElement( SvXMLImport& rImport,
      62             :                                     sal_uInt16 nPrefix,
      63             :                                     const OUString& rLocalName,
      64             :                                     Reference<XNode> xParent);
      65             : 
      66             : 
      67           0 : DomBuilderContext::DomBuilderContext( SvXMLImport& rImport,
      68             :                                       sal_uInt16 nPrefix,
      69             :                                       const OUString& rLocalName ) :
      70             :     SvXMLImportContext( rImport, nPrefix, rLocalName ),
      71             :     mxNode( lcl_createElement( rImport, nPrefix, rLocalName,
      72           0 :                                lcl_createDomInstance() ) )
      73             : {
      74             :     DBG_ASSERT( mxNode.is(), "empty XNode not allowed" );
      75             :     DBG_ASSERT( Reference<XElement>( mxNode, UNO_QUERY ).is(), "need element" );
      76             :     DBG_ASSERT( mxNode->getNodeType() == NodeType_ELEMENT_NODE, "need element" );
      77           0 : }
      78             : 
      79           0 : DomBuilderContext::DomBuilderContext( SvXMLImport& rImport,
      80             :                                       sal_uInt16 nPrefix,
      81             :                                       const OUString& rLocalName,
      82             :                                       Reference<XNode>& xParent ) :
      83             :     SvXMLImportContext( rImport, nPrefix, rLocalName ),
      84           0 :     mxNode( lcl_createElement( rImport, nPrefix, rLocalName, xParent ) )
      85             : {
      86             :     DBG_ASSERT( mxNode.is(), "empty XNode not allowed" );
      87             :     DBG_ASSERT( Reference<XElement>( mxNode, UNO_QUERY ).is(), "need element" );
      88             :     DBG_ASSERT( mxNode->getNodeType() == NodeType_ELEMENT_NODE, "need element" );
      89           0 : }
      90             : 
      91           0 : DomBuilderContext::~DomBuilderContext()
      92             : {
      93           0 : }
      94             : 
      95           0 : Reference<XDocument> DomBuilderContext::getTree()
      96             : {
      97             :     DBG_ASSERT( mxNode.is(), "empty XNode not allowed" );
      98           0 :     return mxNode->getOwnerDocument();
      99             : }
     100             : 
     101           0 : SvXMLImportContext* DomBuilderContext::CreateChildContext(
     102             :     sal_uInt16 nPrefix,
     103             :     const OUString& rLocalName,
     104             :     const Reference<XAttributeList>& )
     105             : {
     106             :     // create DomBuilder for subtree
     107           0 :     return new DomBuilderContext( GetImport(), nPrefix, rLocalName, mxNode );
     108             : }
     109             : 
     110             : 
     111           0 : void DomBuilderContext::StartElement(
     112             :     const Reference<XAttributeList>& xAttrList )
     113             : {
     114             :     DBG_ASSERT( mxNode.is(), "empty XNode not allowed" );
     115             :     DBG_ASSERT( mxNode->getOwnerDocument().is(), "XNode must have XDocument" );
     116             : 
     117             :     // add attribute nodes to new node
     118           0 :     sal_Int16 nAttributeCount = xAttrList->getLength();
     119           0 :     for( sal_Int16 i = 0; i < nAttributeCount; i++ )
     120             :     {
     121             :         // get name & value for attribute
     122           0 :         const OUString& rName = xAttrList->getNameByIndex( i );
     123           0 :         const OUString& rValue = xAttrList->getValueByIndex( i );
     124             : 
     125             :         // namespace handling: determine namespace & namespace keykey
     126           0 :         OUString sNamespace;
     127             :         sal_uInt16 nNamespaceKey =
     128           0 :             GetImport().GetNamespaceMap()._GetKeyByAttrName(
     129           0 :                 rName, NULL, NULL, &sNamespace );
     130             : 
     131             :         // create attribute node and set value
     132           0 :         Reference<XElement> xElement( mxNode, UNO_QUERY_THROW );
     133           0 :         switch( nNamespaceKey )
     134             :         {
     135             :         case XML_NAMESPACE_NONE:
     136             :             // no namespace: create a non-namespaced attribute
     137           0 :             xElement->setAttribute( rName, rValue );
     138           0 :             break;
     139             :         case XML_NAMESPACE_XMLNS:
     140             :             // namespace declaration: ignore, since the DOM tree handles these
     141             :             // declarations implicitly
     142           0 :             break;
     143             :         case XML_NAMESPACE_UNKNOWN:
     144             :             // unknown namespace: illegal input. Raise Warning.
     145             :             {
     146           0 :                 Sequence<OUString> aSeq(2);
     147           0 :                 aSeq[0] = rName;
     148           0 :                 aSeq[1] = rValue;
     149           0 :                 GetImport().SetError(
     150           0 :                     XMLERROR_FLAG_WARNING | XMLERROR_NAMESPACE_TROUBLE, aSeq );
     151             :             }
     152           0 :             break;
     153             :         default:
     154             :             // a real and proper namespace: create namespaced attribute
     155           0 :             xElement->setAttributeNS( sNamespace, rName, rValue );
     156           0 :             break;
     157             :         }
     158           0 :     }
     159           0 : }
     160             : 
     161           0 : void DomBuilderContext::EndElement()
     162             : {
     163             :     // nothing to be done!
     164           0 : }
     165             : 
     166           0 : void DomBuilderContext::Characters( const OUString& rCharacters )
     167             : {
     168             :     DBG_ASSERT( mxNode.is(), "empty XNode not allowed" );
     169             : 
     170             :     // TODO: I assume adjacent text nodes should be joined, to preserve
     171             :     // processinf model? (I.e., if the SAX parser breaks a string into 2
     172             :     // Characters(..) calls, the DOM model would still see only one child.)
     173             : 
     174             :     // create text node and append to parent
     175             :     Reference<XNode> xNew(
     176           0 :         mxNode->getOwnerDocument()->createTextNode( rCharacters ),
     177           0 :         UNO_QUERY_THROW );
     178           0 :     mxNode->appendChild( xNew );
     179           0 : }
     180             : 
     181             : 
     182             : 
     183             : // helper function implementations
     184             : 
     185             : 
     186           0 : static Reference<XNode> lcl_createDomInstance()
     187             : {
     188           0 :     Reference<XComponentContext> xContext = comphelper::getProcessComponentContext();
     189             :     DBG_ASSERT( xContext.is(), "can't get service factory" );
     190             : 
     191           0 :     Reference<XDocumentBuilder> xBuilder( DocumentBuilder::create(xContext) );
     192             : 
     193           0 :     return Reference<XNode>( xBuilder->newDocument(), UNO_QUERY_THROW );
     194             : }
     195             : 
     196           0 : static Reference<XNode> lcl_createElement( SvXMLImport& rImport,
     197             :                                     sal_uInt16 nPrefix,
     198             :                                     const OUString& rLocalName,
     199             :                                     Reference<XNode> xParent)
     200             : {
     201             :     DBG_ASSERT( xParent.is(), "need parent node" );
     202             : 
     203           0 :     Reference<XDocument> xDocument = xParent->getOwnerDocument();
     204             :     DBG_ASSERT( xDocument.is(), "no XDocument found!" );
     205             : 
     206             :     // TODO: come up with proper way of handling namespaces; re-creating the
     207             :     // namespace from the key is NOT a good idea, and will not work for
     208             :     // multiple prefixes for the same namespace. Fortunately, those are rare.
     209             : 
     210           0 :     Reference<XElement> xElement;
     211           0 :     switch( nPrefix )
     212             :     {
     213             :     case XML_NAMESPACE_NONE:
     214             :         // no namespace: use local name
     215           0 :         xElement = xDocument->createElement( rLocalName );
     216           0 :         break;
     217             :     case XML_NAMESPACE_XMLNS:
     218             :     case XML_NAMESPACE_UNKNOWN:
     219             :         // both cases are illegal; raise warning (and use only local name)
     220           0 :         xElement = xDocument->createElement( rLocalName );
     221             :         {
     222           0 :             Sequence<OUString> aSeq(1);
     223           0 :             aSeq[0] = rLocalName;
     224             :             rImport.SetError(
     225           0 :                 XMLERROR_FLAG_WARNING | XMLERROR_NAMESPACE_TROUBLE, aSeq );
     226             :         }
     227           0 :         break;
     228             :     default:
     229             :         // We are only given the prefix and the local name; thus we have to ask
     230             :         // the namespace map to create a qualified name for us. Technically,
     231             :         // this is a bug, since this will fail for multiple prefixes used for
     232             :         // the same namespace.
     233           0 :         xElement = xDocument->createElementNS(
     234           0 :             rImport.GetNamespaceMap().GetNameByKey( nPrefix ),
     235           0 :             rImport.GetNamespaceMap().GetQNameByKey( nPrefix, rLocalName ) );
     236           0 :         break;
     237             :     }
     238             :     DBG_ASSERT( xElement.is(), "can't create element" );
     239             : 
     240             :     // add new element to parent and return
     241           0 :     xParent->appendChild( xElement );
     242           0 :     return xElement;
     243             : }
     244             : 
     245             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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