xmloff/source/xforms/XFormsInstanceContext.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
  21 #include "XFormsInstanceContext.hxx"
  22
  23 #include <DomBuilderContext.hxx>
  24
  25 #include <rtl/ustring.hxx>
  26 #include <sal/log.hxx>
  27 #include <com/sun/star/uno/Reference.hxx>
  28 #include <com/sun/star/beans/PropertyValue.hpp>
  29 #include <com/sun/star/xforms/XModel2.hpp>
  30
  31 #include <xmloff/xmltoken.hxx>
  32 #include <xmloff/xmlimp.hxx>
  33 #include <xmloff/xmlerror.hxx>
  34
  35
  36 using com::sun::star::uno::Reference;
  37 using com::sun::star::uno::Any;
  38 using com::sun::star::uno::Sequence;
  39 using com::sun::star::xforms::XModel2;
  40 using com::sun::star::beans::PropertyValue;
  41
  42 using xmloff::token::XML_SRC;
  43 using xmloff::token::XML_ID;
  44
  45 XFormsInstanceContext::XFormsInstanceContext(
  46     SvXMLImport& rImport,
  47     const Reference<XModel2> & xModel ) :
  48         TokenContext( rImport ),
  49         mxModel( xModel )
  50 {
  51     SAL_WARN_IF( !mxModel.is(), "xmloff", "need model" );
  52 }
  53
  54 css::uno::Reference< css::xml::sax::XFastContextHandler > XFormsInstanceContext::createFastChildContext(
  55     sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList >& )
  56 {
  57     SvXMLImportContext* pContext = nullptr;
  58
  59     // only the first element child of an xforms:instance element
  60     // is used as an instance. The other children remainder must be
  61     // ignored.
  62     if( mxInstance.is() )
  63     {
  64         const OUString& rLocalName = SvXMLImport::getNameFromToken( nElement );
  65         GetImport().SetError( XMLERROR_XFORMS_ONLY_ONE_INSTANCE_ELEMENT, rLocalName );
  66     }
  67     else
  68     {
  69         // create new DomBuilderContext. Save reference to tree in Model.
  70         DomBuilderContext* pInstance = new DomBuilderContext( GetImport(), nElement );
  71         mxInstance = pInstance->getTree();
  72         pContext = pInstance;
  73     }
  74
  75     SAL_WARN_IF( pContext == nullptr, "xmloff", "no context!" );
  76     return pContext;
  77
  78 }
  79
  80 css::uno::Reference< css::xml::sax::XFastContextHandler > XFormsInstanceContext::createUnknownChildContext(
  81     const OUString & rNamespace, const OUString &rName, const css::uno::Reference< css::xml::sax::XFastAttributeList > & /*Attribs*/)
  82 {
  83     SvXMLImportContext* pContext = nullptr;
  84
  85     // only the first element child of an xforms:instance element
  86     // is used as an instance. The other children remainder must be
  87     // ignored.
  88     if( mxInstance.is() )
  89     {
  90         GetImport().SetError( XMLERROR_XFORMS_ONLY_ONE_INSTANCE_ELEMENT, rName );
  91     }
  92     else
  93     {
  94         // create new DomBuilderContext. Save reference to tree in Model.
  95         DomBuilderContext* pInstance = new DomBuilderContext( GetImport(), rNamespace, rName );
  96         mxInstance = pInstance->getTree();
  97         pContext = pInstance;
  98     }
  99
 100     SAL_WARN_IF( pContext == nullptr, "xmloff", "no context!" );
 101     return pContext;
 102
 103 }
 104
 105 void XFormsInstanceContext::endFastElement(sal_Int32 )
 106 {
 107     Sequence<PropertyValue> aSequence( 3 );
 108     PropertyValue* pSequence = aSequence.getArray();
 109     pSequence[0].Name = "Instance";
 110     pSequence[0].Value <<= mxInstance;
 111     pSequence[1].Name = "ID";
 112     pSequence[1].Value <<= msId;
 113     pSequence[2].Name = "URL";
 114     pSequence[2].Value <<= msURL;
 115
 116     mxModel->getInstances()->insert( Any( aSequence ) );
 117 }
 118
 119 void XFormsInstanceContext::endUnknownElement(const OUString & /*Namespace*/, const OUString & /*Name*/)
 120 {
 121     Sequence<PropertyValue> aSequence( 3 );
 122     PropertyValue* pSequence = aSequence.getArray();
 123     pSequence[0].Name = "Instance";
 124     pSequence[0].Value <<= mxInstance;
 125     pSequence[1].Name = "ID";
 126     pSequence[1].Value <<= msId;
 127     pSequence[2].Name = "URL";
 128     pSequence[2].Value <<= msURL;
 129
 130     mxModel->getInstances()->insert( Any( aSequence ) );
 131 }
 132
 133 void XFormsInstanceContext::HandleAttribute(const sax_fastparser::FastAttributeList::FastAttributeIter & aIter )
 134 {
 135     switch( aIter.getToken() & TOKEN_MASK )
 136     {
 137     case XML_SRC:
 138         msURL = aIter.toString();
 139         break;
 140     case XML_ID:
 141         msId = aIter.toString();
 142         break;
 143     default:
 144         XMLOFF_WARN_UNKNOWN("xmloff", aIter);
 145         assert( false && "this should not happen" );
 146         break;
 147     }
 148 }
 149
 150 SvXMLImportContext* XFormsInstanceContext::HandleChild(
 151     sal_Int32,
 152     const Reference<css::xml::sax::XFastAttributeList>& )
 153 {
 154     assert( false && "to be handled by CreateChildContext" );
 155     return nullptr;
 156 }
 157
 158 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */