xmloff/source/xforms/XFormsBindContext.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 "XFormsBindContext.hxx"
  22
  23 #include "xformsapi.hxx"
  24
  25 #include <xmloff/xmlimp.hxx>
  26 #include <xmloff/xmlerror.hxx>
  27 #include <xmloff/xmltoken.hxx>
  28 #include <xmloff/xmltkmap.hxx>
  29 #include <xmloff/xmlnamespace.hxx>
  30 #include <xmloff/namespacemap.hxx>
  31
  32 #include <com/sun/star/container/XNameContainer.hpp>
  33 #include <com/sun/star/xforms/XModel2.hpp>
  34
  35 #include <osl/diagnose.h>
  36 #include <sal/log.hxx>
  37
  38 using com::sun::star::uno::Reference;
  39 using com::sun::star::uno::makeAny;
  40 using com::sun::star::uno::UNO_QUERY;
  41 using com::sun::star::container::XNameContainer;
  42 using com::sun::star::xml::sax::XFastAttributeList;
  43 using com::sun::star::xforms::XModel2;
  44 using namespace xmloff::token;
  45
  46 // helper function; see below
  47 static void lcl_fillNamespaceContainer( const SvXMLNamespaceMap&,
  48                                  Reference<XNameContainer> const & );
  49
  50 XFormsBindContext::XFormsBindContext(
  51     SvXMLImport& rImport,
  52     const Reference<XModel2>& xModel ) :
  53         TokenContext( rImport ),
  54         mxModel( xModel )
  55 {
  56     // attach binding to model
  57     mxBinding = mxModel->createBinding();
  58     SAL_WARN_IF( !mxBinding.is(), "xmloff", "can't create binding" );
  59     mxModel->getBindings()->insert( makeAny( mxBinding ) );
  60 }
  61
  62 void XFormsBindContext::HandleAttribute( sal_Int32 nAttributeToken,
  63                                          const OUString& rValue )
  64 {
  65     switch( nAttributeToken & TOKEN_MASK )
  66     {
  67     case XML_NODESET:
  68         xforms_setValue( mxBinding, "BindingExpression", rValue );
  69         break;
  70     case XML_ID:
  71         xforms_setValue( mxBinding, "BindingID", rValue );
  72         break;
  73     case XML_READONLY:
  74         xforms_setValue( mxBinding, "ReadonlyExpression", rValue );
  75         break;
  76     case XML_RELEVANT:
  77         xforms_setValue( mxBinding, "RelevantExpression", rValue );
  78         break;
  79     case XML_REQUIRED:
  80         xforms_setValue( mxBinding, "RequiredExpression", rValue );
  81         break;
  82     case XML_CONSTRAINT:
  83         xforms_setValue( mxBinding, "ConstraintExpression", rValue );
  84         break;
  85     case XML_CALCULATE:
  86         xforms_setValue( mxBinding, "CalculateExpression", rValue );
  87         break;
  88     case XML_TYPE:
  89         xforms_setValue( mxBinding, "Type",
  90                       makeAny( xforms_getTypeName( mxModel->getDataTypeRepository(),
  91                                        GetImport().GetNamespaceMap(),
  92                                        rValue ) ) );
  93         break;
  94     default:
  95         OSL_FAIL( "should not happen" );
  96         break;
  97     }
  98 }
  99
 100 void XFormsBindContext::startFastElement(
 101     sal_Int32 nElement,
 102     const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
 103 {
 104     // we need to register the namespaces
 105     Reference<XNameContainer> xContainer(
 106         mxBinding->getPropertyValue( "BindingNamespaces" ),
 107         UNO_QUERY );
 108
 109     SAL_WARN_IF( !xContainer.is(), "xmloff", "binding should have a namespace container" );
 110     if( xContainer.is() )
 111         lcl_fillNamespaceContainer( GetImport().GetNamespaceMap(), xContainer);
 112
 113     // call super-class for attribute handling
 114     TokenContext::startFastElement( nElement, xAttrList );
 115 }
 116
 117 /** will be called for each child element */
 118 SvXMLImportContext* XFormsBindContext::HandleChild(
 119     sal_Int32,
 120     const Reference<XFastAttributeList>& )
 121 {
 122     OSL_FAIL( "no children supported" );
 123     return nullptr;
 124 }
 125
 126
 127 static void lcl_fillNamespaceContainer(
 128     const SvXMLNamespaceMap& aMap,
 129     Reference<XNameContainer> const & xContainer )
 130 {
 131     sal_uInt16 nKeyIter = aMap.GetFirstKey();
 132     do
 133     {
 134         // get prefix and namespace
 135         const OUString& sPrefix = aMap.GetPrefixByKey( nKeyIter );
 136         const OUString& sNamespace = aMap.GetNameByKey( nKeyIter );
 137
 138         // as a hack, we will ignore our own 'default' namespaces
 139         SAL_WARN_IF( sPrefix.isEmpty(), "xmloff", "no prefix?" );
 140         if( !sPrefix.startsWith("_") &&
 141             nKeyIter >= XML_NAMESPACE_META_SO52)
 142         {
 143             // insert prefix (use replace if already known)
 144             if( xContainer->hasByName( sPrefix ) )
 145                 xContainer->replaceByName( sPrefix, makeAny( sNamespace ) );
 146             else
 147                 xContainer->insertByName( sPrefix, makeAny( sNamespace ) );
 148         }
 149
 150         // proceed to next
 151         nKeyIter = aMap.GetNextKey( nKeyIter );
 152     }
 153     while( nKeyIter != XML_NAMESPACE_UNKNOWN );
 154 }
 155
 156 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */