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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <xml/xmlnamespaces.hxx>
#include <com/sun/star/xml/sax/SAXException.hpp>
using namespace ::com::sun::star::xml::sax;
using namespace ::com::sun::star::uno;
namespace framework
{
void XMLNamespaces::addNamespace( const OUString& aName, const OUString& aValue )
{
NamespaceMap::iterator p;
OUString aNamespaceName( aName );
// delete preceding "xmlns"
constexpr char aXMLAttributeNamespace[] = "xmlns";
if ( aNamespaceName.startsWith( aXMLAttributeNamespace ) )
{
constexpr sal_Int32 nXMLNamespaceLength = RTL_CONSTASCII_LENGTH(aXMLAttributeNamespace);
if ( aNamespaceName.getLength() == nXMLNamespaceLength )
{
aNamespaceName.clear();
}
else if ( aNamespaceName.getLength() >= nXMLNamespaceLength+2 )
{
aNamespaceName = aNamespaceName.copy( nXMLNamespaceLength+1 );
}
else
{
// a xml namespace without name is not allowed (e.g. "xmlns:" )
throw SAXException( "A xml namespace without name is not allowed!", Reference< XInterface >(), Any() );
}
}
if ( aValue.isEmpty() && !aNamespaceName.isEmpty() )
{
// namespace should be reset - as xml draft states this is only allowed
// for the default namespace - check and throw exception if check fails
throw SAXException( "Clearing xml namespace only allowed for default namespace!", Reference< XInterface >(), Any() );
}
if ( aNamespaceName.isEmpty() )
m_aDefaultNamespace = aValue;
else
{
p = m_aNamespaceMap.find( aNamespaceName );
if ( p != m_aNamespaceMap.end() )
{
// replace current namespace definition
m_aNamespaceMap.erase( p );
m_aNamespaceMap.emplace( aNamespaceName, aValue );
}
else
{
m_aNamespaceMap.emplace( aNamespaceName, aValue );
}
}
}
OUString XMLNamespaces::applyNSToAttributeName( const OUString& aName ) const
{
// xml draft: there is no default namespace for attributes!
int index;
if (( index = aName.indexOf( ':' )) > 0 )
{
if ( aName.getLength() <= index+1 )
{
// attribute with namespace but without name "namespace:" is not allowed!!
throw SAXException( "Attribute has no name only preceding namespace!", Reference< XInterface >(), Any() );
}
OUString aAttributeName = getNamespaceValue( aName.copy( 0, index )) + "^" + aName.subView( index+1);
return aAttributeName;
}
return aName;
}
OUString XMLNamespaces::applyNSToElementName( const OUString& aName ) const
{
// xml draft: element names can have a default namespace
int index = aName.indexOf( ':' );
OUString aNamespace;
OUString aElementName = aName;
if ( index > 0 )
aNamespace = getNamespaceValue( aName.copy( 0, index ) );
else
aNamespace = m_aDefaultNamespace;
if ( !aNamespace.isEmpty() )
{
aElementName = aNamespace + "^";
}
else
return aName;
if ( index > 0 )
{
if ( aName.getLength() <= index+1 )
{
// attribute with namespace but without a name is not allowed (e.g. "cfg:" )
throw SAXException( "Attribute has no name only preceding namespace!", Reference< XInterface >(), Any() );
}
aElementName += aName.subView( index+1 );
}
else
aElementName += aName;
return aElementName;
}
OUString const & XMLNamespaces::getNamespaceValue( const OUString& aNamespace ) const
{
if ( aNamespace.isEmpty() )
return m_aDefaultNamespace;
else
{
NamespaceMap::const_iterator p = m_aNamespaceMap.find( aNamespace );
if ( p == m_aNamespaceMap.end() )
{
// namespace not defined => throw exception!
throw SAXException( "XML namespace used but not defined!", Reference< XInterface >(), Any() );
}
return p->second;
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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