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/xml/dom/XDocument.hpp>
  30 #include <com/sun/star/xforms/XModel2.hpp>
  31 #include <osl/diagnose.h>
  32
  33 #include <xmloff/xmltoken.hxx>
  34 #include <xmloff/xmlimp.hxx>
  35 #include <xmloff/xmlerror.hxx>
  36 #include <xmloff/namespacemap.hxx>
  37
  38
  39 using com::sun::star::uno::Reference;
  40 using com::sun::star::uno::Any;
  41 using com::sun::star::uno::Sequence;
  42 using com::sun::star::xforms::XModel2;
  43 using com::sun::star::beans::PropertyValue;
  44
  45 using xmloff::token::XML_SRC;
  46 using xmloff::token::XML_ID;
  47
  48 XFormsInstanceContext::XFormsInstanceContext(
  49     SvXMLImport& rImport,
  50     const Reference<XModel2> & xModel ) :
  51         TokenContext( rImport ),
  52         mxModel( xModel )
  53 {
  54     SAL_WARN_IF( !mxModel.is(), "xmloff", "need model" );
  55 }
  56
  57 css::uno::Reference< css::xml::sax::XFastContextHandler > XFormsInstanceContext::createFastChildContext(
  58     sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList >& )
  59 {
  60     SvXMLImportContext* pContext = nullptr;
  61
  62     // only the first element child of an xforms:instance element
  63     // is used as an instance. The other children remainder must be
  64     // ignored.
  65     if( mxInstance.is() )
  66     {
  67         const OUString& rLocalName = SvXMLImport::getNameFromToken( nElement );
  68         GetImport().SetError( XMLERROR_XFORMS_ONLY_ONE_INSTANCE_ELEMENT, rLocalName );
  69     }
  70     else
  71     {
  72         // create new DomBuilderContext. Save reference to tree in Model.
  73         DomBuilderContext* pInstance = new DomBuilderContext( GetImport(), nElement );
  74         mxInstance = pInstance->getTree();
  75         pContext = pInstance;
  76     }
  77
  78     SAL_WARN_IF( pContext == nullptr, "xmloff", "no context!" );
  79     return pContext;
  80
  81 }
  82
  83 css::uno::Reference< css::xml::sax::XFastContextHandler > XFormsInstanceContext::createUnknownChildContext(
  84     const OUString & rNamespace, const OUString &rName, const css::uno::Reference< css::xml::sax::XFastAttributeList > & /*Attribs*/)
  85 {
  86     SvXMLImportContext* pContext = nullptr;
  87
  88     // only the first element child of an xforms:instance element
  89     // is used as an instance. The other children remainder must be
  90     // ignored.
  91     if( mxInstance.is() )
  92     {
  93         GetImport().SetError( XMLERROR_XFORMS_ONLY_ONE_INSTANCE_ELEMENT, rName );
  94     }
  95     else
  96     {
  97         // create new DomBuilderContext. Save reference to tree in Model.
  98         DomBuilderContext* pInstance = new DomBuilderContext( GetImport(), rNamespace, rName );
  99         mxInstance = pInstance->getTree();
 100         pContext = pInstance;
 101     }
 102
 103     SAL_WARN_IF( pContext == nullptr, "xmloff", "no context!" );
 104     return pContext;
 105
 106 }
 107
 108 void XFormsInstanceContext::endFastElement(sal_Int32 )
 109 {
 110     Sequence<PropertyValue> aSequence( 3 );
 111     PropertyValue* pSequence = aSequence.getArray();
 112     pSequence[0].Name = "Instance";
 113     pSequence[0].Value <<= mxInstance;
 114     pSequence[1].Name = "ID";
 115     pSequence[1].Value <<= msId;
 116     pSequence[2].Name = "URL";
 117     pSequence[2].Value <<= msURL;
 118
 119     mxModel->getInstances()->insert( Any( aSequence ) );
 120 }
 121
 122 void XFormsInstanceContext::endUnknownElement(const OUString & /*Namespace*/, const OUString & /*Name*/)
 123 {
 124     Sequence<PropertyValue> aSequence( 3 );
 125     PropertyValue* pSequence = aSequence.getArray();
 126     pSequence[0].Name = "Instance";
 127     pSequence[0].Value <<= mxInstance;
 128     pSequence[1].Name = "ID";
 129     pSequence[1].Value <<= msId;
 130     pSequence[2].Name = "URL";
 131     pSequence[2].Value <<= msURL;
 132
 133     mxModel->getInstances()->insert( Any( aSequence ) );
 134 }
 135
 136 void XFormsInstanceContext::HandleAttribute(const sax_fastparser::FastAttributeList::FastAttributeIter & aIter )
 137 {
 138     switch( aIter.getToken() & TOKEN_MASK )
 139     {
 140     case XML_SRC:
 141         msURL = aIter.toString();
 142         break;
 143     case XML_ID:
 144         msId = aIter.toString();
 145         break;
 146     default:
 147         XMLOFF_WARN_UNKNOWN("xmloff", aIter);
 148         assert( false && "this should not happen" );
 149         break;
 150     }
 151 }
 152
 153 SvXMLImportContext* XFormsInstanceContext::HandleChild(
 154     sal_Int32,
 155     const Reference<css::xml::sax::XFastAttributeList>& )
 156 {
 157     assert( false && "to be handled by CreateChildContext" );
 158     return nullptr;
 159 }
 160
 161 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */