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Diffstat (limited to 'framework/source/fwe/xml/xmlnamespaces.cxx')
| -rw-r--r-- | framework/source/fwe/xml/xmlnamespaces.cxx | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/framework/source/fwe/xml/xmlnamespaces.cxx b/framework/source/fwe/xml/xmlnamespaces.cxx new file mode 100644 index 000000000..dfd79edde --- /dev/null +++ b/framework/source/fwe/xml/xmlnamespaces.cxx @@ -0,0 +1,152 @@ +/* -*- 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.copy( 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.copy( 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: */ |