xmloff/source/core/unoatrcn.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 #include <memory>
  21 #include <com/sun/star/xml/AttributeData.hpp>
  22 #include <o3tl/any.hxx>
  23 #include <rtl/ustrbuf.hxx>
  24 #include <comphelper/servicehelper.hxx>
  25 #include <cppuhelper/supportsservice.hxx>
  26 #include <limits.h>
  27
  28 #include <xmloff/xmlcnimp.hxx>
  29
  30 #include <xmloff/unoatrcn.hxx>
  31
  32 using namespace ::com::sun::star;
  33
  34 // Interface implementation
  35
  36 uno::Reference< uno::XInterface >  SvUnoAttributeContainer_CreateInstance()
  37 {
  38     return *(new SvUnoAttributeContainer);
  39 }
  40
  41 SvUnoAttributeContainer::SvUnoAttributeContainer( std::unique_ptr<SvXMLAttrContainerData> pContainer)
  42 : mpContainer( std::move( pContainer ) )
  43 {
  44     if( !mpContainer )
  45         mpContainer = std::make_unique<SvXMLAttrContainerData>();
  46 }
  47
  48 // container::XElementAccess
  49 uno::Type SAL_CALL SvUnoAttributeContainer::getElementType()
  50 {
  51     return cppu::UnoType<xml::AttributeData>::get();
  52 }
  53
  54 sal_Bool SAL_CALL SvUnoAttributeContainer::hasElements()
  55 {
  56     return mpContainer->GetAttrCount() != 0;
  57 }
  58
  59 sal_uInt16 SvUnoAttributeContainer::getIndexByName(const OUString& aName ) const
  60 {
  61     const sal_uInt16 nAttrCount = mpContainer->GetAttrCount();
  62
  63     sal_Int32 nPos = aName.indexOf( ':' );
  64     if( nPos == -1 )
  65     {
  66         for( sal_uInt16 nAttr = 0; nAttr < nAttrCount; nAttr++ )
  67         {
  68             if( mpContainer->GetAttrLName(nAttr) == aName &&
  69                 mpContainer->GetAttrPrefix(nAttr).isEmpty() )
  70                 return nAttr;
  71         }
  72     }
  73     else
  74     {
  75         const OUString aPrefix( aName.copy( 0L, nPos ) );
  76         const OUString aLName( aName.copy( nPos+1 ) );
  77
  78         for( sal_uInt16 nAttr = 0; nAttr < nAttrCount; nAttr++ )
  79         {
  80             if( mpContainer->GetAttrLName(nAttr) == aLName &&
  81                 mpContainer->GetAttrPrefix(nAttr) == aPrefix )
  82                 return nAttr;
  83         }
  84     }
  85
  86     return USHRT_MAX;
  87 }
  88
  89 namespace
  90 {
  91     class theSvUnoAttributeContainerUnoTunnelId : public rtl::Static< UnoTunnelIdInit, theSvUnoAttributeContainerUnoTunnelId> {};
  92 }
  93
  94 const css::uno::Sequence< sal_Int8 > & SvUnoAttributeContainer::getUnoTunnelId() throw()
  95 {
  96     return theSvUnoAttributeContainerUnoTunnelId::get().getSeq();
  97 }
  98
  99 sal_Int64 SAL_CALL SvUnoAttributeContainer::getSomething( const css::uno::Sequence< sal_Int8 >& rId )
 100 {
 101     if( isUnoTunnelId<SvUnoAttributeContainer>(rId) )
 102     {
 103         return sal::static_int_cast<sal_Int64>(reinterpret_cast<sal_uIntPtr>(this));
 104     }
 105     return 0;
 106 }
 107
 108 // container::XNameAccess
 109 uno::Any SAL_CALL SvUnoAttributeContainer::getByName(const OUString& aName)
 110 {
 111     sal_uInt16 nAttr = getIndexByName(aName );
 112
 113     if( nAttr == USHRT_MAX )
 114         throw container::NoSuchElementException();
 115
 116     xml::AttributeData aData;
 117     aData.Namespace = mpContainer->GetAttrNamespace(nAttr);
 118     aData.Type = "CDATA";
 119     aData.Value = mpContainer->GetAttrValue(nAttr);
 120
 121     return uno::Any(aData);
 122 }
 123
 124 uno::Sequence< OUString > SAL_CALL SvUnoAttributeContainer::getElementNames()
 125 {
 126     const sal_uInt16 nAttrCount = mpContainer->GetAttrCount();
 127
 128     uno::Sequence< OUString > aElementNames( static_cast<sal_Int32>(nAttrCount) );
 129     OUString *pNames = aElementNames.getArray();
 130
 131     for( sal_uInt16 nAttr = 0; nAttr < nAttrCount; nAttr++ )
 132     {
 133         OUStringBuffer sBuffer( mpContainer->GetAttrPrefix(nAttr) );
 134         if( !sBuffer.isEmpty() )
 135             sBuffer.append( ':' );
 136         sBuffer.append( mpContainer->GetAttrLName(nAttr) );
 137         *pNames++ = sBuffer.makeStringAndClear();
 138     }
 139
 140     return aElementNames;
 141 }
 142
 143 sal_Bool SAL_CALL SvUnoAttributeContainer::hasByName(const OUString& aName)
 144 {
 145     return getIndexByName(aName ) != USHRT_MAX;
 146 }
 147
 148 // container::XNameReplace
 149 void SAL_CALL SvUnoAttributeContainer::replaceByName(const OUString& aName, const uno::Any& aElement)
 150 {
 151     if( auto pData = o3tl::tryAccess<xml::AttributeData>(aElement) )
 152     {
 153         sal_uInt16 nAttr = getIndexByName(aName );
 154         if( nAttr == USHRT_MAX )
 155             throw container::NoSuchElementException();
 156
 157         sal_Int32 nPos = aName.indexOf( ':' );
 158         if( nPos != -1 )
 159         {
 160             const OUString aPrefix( aName.copy( 0L, nPos ));
 161             const OUString aLName( aName.copy( nPos+1 ));
 162
 163             if( pData->Namespace.isEmpty() )
 164             {
 165                 if( mpContainer->SetAt( nAttr, aPrefix, aLName, pData->Value ) )
 166                     return;
 167             }
 168             else
 169             {
 170                 if( mpContainer->SetAt( nAttr, aPrefix, pData->Namespace, aLName, pData->Value ) )
 171                     return;
 172             }
 173         }
 174         else
 175         {
 176             if( pData->Namespace.isEmpty() )
 177             {
 178                 if( mpContainer->SetAt( nAttr, aName, pData->Value ) )
 179                     return;
 180             }
 181         }
 182     }
 183
 184     throw lang::IllegalArgumentException();
 185 }
 186
 187 // container::XNameContainer
 188 void SAL_CALL SvUnoAttributeContainer::insertByName(const OUString& aName, const uno::Any& aElement)
 189 {
 190     auto pData = o3tl::tryAccess<xml::AttributeData>(aElement);
 191     if( !pData )
 192         throw lang::IllegalArgumentException();
 193
 194     sal_uInt16 nAttr = getIndexByName(aName );
 195     if( nAttr != USHRT_MAX )
 196         throw container::ElementExistException();
 197
 198     sal_Int32 nPos = aName.indexOf( ':' );
 199     if( nPos != -1 )
 200     {
 201         const OUString aPrefix( aName.copy( 0L, nPos ));
 202         const OUString aLName( aName.copy( nPos+1 ));
 203
 204         if( pData->Namespace.isEmpty() )
 205         {
 206             if( mpContainer->AddAttr( aPrefix, aLName, pData->Value ) )
 207                 return;
 208         }
 209         else
 210         {
 211             if( mpContainer->AddAttr( aPrefix, pData->Namespace, aLName, pData->Value ) )
 212                 return;
 213         }
 214     }
 215     else
 216     {
 217         if( pData->Namespace.isEmpty() )
 218         {
 219             if( mpContainer->AddAttr( aName, pData->Value ) )
 220                 return;
 221         }
 222     }
 223 }
 224
 225 void SAL_CALL SvUnoAttributeContainer::removeByName(const OUString& Name)
 226 {
 227     sal_uInt16 nAttr = getIndexByName(Name);
 228     if( nAttr == USHRT_MAX )
 229         throw container::NoSuchElementException();
 230
 231     mpContainer->Remove( nAttr );
 232 }
 233
 234 //XServiceInfo
 235 OUString SAL_CALL SvUnoAttributeContainer::getImplementationName()
 236 {
 237     return "SvUnoAttributeContainer";
 238 }
 239
 240 uno::Sequence< OUString > SvUnoAttributeContainer::getSupportedServiceNames()
 241 {
 242     return { "com.sun.star.xml.AttributeContainer" };
 243 }
 244
 245 sal_Bool SvUnoAttributeContainer::supportsService(const OUString& ServiceName)
 246 {
 247     return cppu::supportsService(this, ServiceName);
 248 }
 249
 250 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */