/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmloff.hxx"
#include <tools/debug.hxx>
#include <com/sun/star/xml/AttributeData.hpp>
#include <rtl/ustrbuf.hxx>
#include <rtl/uuid.h>
#include <rtl/memory.h>

#include <xmloff/xmlcnimp.hxx>

#include "xmloff/unoatrcn.hxx"

using ::rtl::OUString;
using ::rtl::OUStringBuffer;

using namespace ::com::sun::star;

// --------------------------------------------------------------------
// Interface implementation
// --------------------------------------------------------------------

#define IMPL	((AttrContainerImpl*)mpData)

uno::Reference< uno::XInterface >  SvUnoAttributeContainer_CreateInstance()
{
	return *(new SvUnoAttributeContainer);
}

SvUnoAttributeContainer::SvUnoAttributeContainer( SvXMLAttrContainerData* pContainer)
: mpContainer( pContainer )
{
	if( mpContainer == NULL )
		mpContainer = new SvXMLAttrContainerData;
}

SvUnoAttributeContainer::~SvUnoAttributeContainer()
{
	delete mpContainer;
}

// container::XElementAccess
uno::Type SAL_CALL SvUnoAttributeContainer::getElementType(void)
	throw( uno::RuntimeException )
{
	return ::getCppuType((const xml::AttributeData*)0);
}

sal_Bool SAL_CALL SvUnoAttributeContainer::hasElements(void)
	throw( uno::RuntimeException )
{
	return mpContainer->GetAttrCount() != 0;
}

sal_uInt16 SvUnoAttributeContainer::getIndexByName(const OUString& aName ) const
{
	const sal_uInt16 nAttrCount = mpContainer->GetAttrCount();

	sal_Int32 nPos = aName.indexOf( sal_Unicode(':') );
	if( nPos == -1L )
	{
		for( sal_uInt16 nAttr = 0; nAttr < nAttrCount; nAttr++ )
		{
			if( mpContainer->GetAttrLName(nAttr) == aName &&
				mpContainer->GetAttrPrefix(nAttr).getLength() == 0L )
				return nAttr;
		}
	}
	else
	{
		const OUString aPrefix( aName.copy( 0L, nPos ) );
		const OUString aLName( aName.copy( nPos+1L ) );

		for( sal_uInt16 nAttr = 0; nAttr < nAttrCount; nAttr++ )
		{
			if( mpContainer->GetAttrLName(nAttr) == aLName &&
				mpContainer->GetAttrPrefix(nAttr) == aPrefix )
				return nAttr;
		}
	}

	return USHRT_MAX;
}

const ::com::sun::star::uno::Sequence< sal_Int8 > & SvUnoAttributeContainer::getUnoTunnelId() throw()
{
	static ::com::sun::star::uno::Sequence< sal_Int8 > * pSeq = 0;
	if( !pSeq )
	{
		::osl::Guard< ::osl::Mutex > aGuard( ::osl::Mutex::getGlobalMutex() );
		if( !pSeq )
		{
			static ::com::sun::star::uno::Sequence< sal_Int8 > aSeq( 16 );
			rtl_createUuid( (sal_uInt8*)aSeq.getArray(), 0, sal_True );
			pSeq = &aSeq;
		}
	}
	return *pSeq;
}

SvUnoAttributeContainer* SvUnoAttributeContainer::getImplementation( uno::Reference< uno::XInterface > xInt ) throw()
{
	::com::sun::star::uno::Reference< ::com::sun::star::lang::XUnoTunnel > xUT( xInt, ::com::sun::star::uno::UNO_QUERY );
	if( xUT.is() )
	{
		return
			reinterpret_cast<SvUnoAttributeContainer*>(
				sal::static_int_cast<sal_IntPtr>(
					xUT->getSomething( SvUnoAttributeContainer::getUnoTunnelId())));
	}
	else
		return NULL;
}

sal_Int64 SAL_CALL SvUnoAttributeContainer::getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw(::com::sun::star::uno::RuntimeException)
{
	if( rId.getLength() == 16 && 0 == rtl_compareMemory( getUnoTunnelId().getConstArray(),
														 rId.getConstArray(), 16 ) )
	{
		return sal::static_int_cast<sal_Int64>(reinterpret_cast<sal_uIntPtr>(this));
	}
	return 0;
}

// container::XNameAccess
uno::Any SAL_CALL SvUnoAttributeContainer::getByName(const OUString& aName)
	throw( container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException )
{
	sal_uInt16 nAttr = getIndexByName(aName );

	if( nAttr == USHRT_MAX )
		throw container::NoSuchElementException();

	xml::AttributeData aData;
	aData.Namespace = mpContainer->GetAttrNamespace(nAttr);
	aData.Type = OUString::createFromAscii("CDATA");
	aData.Value = mpContainer->GetAttrValue(nAttr);

	uno::Any aAny;
	aAny <<= aData;
	return aAny;
}

uno::Sequence< OUString > SAL_CALL SvUnoAttributeContainer::getElementNames(void) throw( uno::RuntimeException )
{
	const sal_uInt16 nAttrCount = mpContainer->GetAttrCount();

	uno::Sequence< OUString > aElementNames( (sal_Int32)nAttrCount );
	OUString *pNames = aElementNames.getArray();

	for( sal_uInt16 nAttr = 0; nAttr < nAttrCount; nAttr++ )
	{
		OUStringBuffer sBuffer( mpContainer->GetAttrPrefix(nAttr) );
		if( sBuffer.getLength() != 0L )
			sBuffer.append( (sal_Unicode)':' );
		sBuffer.append( mpContainer->GetAttrLName(nAttr) );
		*pNames++ = sBuffer.makeStringAndClear();
	}

	return aElementNames;
}

sal_Bool SAL_CALL SvUnoAttributeContainer::hasByName(const OUString& aName) throw( uno::RuntimeException )
{
	return getIndexByName(aName ) != USHRT_MAX;
}

// container::XNameReplace
void SAL_CALL SvUnoAttributeContainer::replaceByName(const OUString& aName, const uno::Any& aElement)
	throw( lang::IllegalArgumentException, container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException )
{
	if( aElement.hasValue() && aElement.getValueType() == ::getCppuType((const xml::AttributeData*)0) )
	{
		sal_uInt16 nAttr = getIndexByName(aName );
		if( nAttr == USHRT_MAX )
			throw container::NoSuchElementException();

		xml::AttributeData* pData = (xml::AttributeData*)aElement.getValue();

		sal_Int32 nPos = aName.indexOf( sal_Unicode(':') );
		if( nPos != -1L )
		{
			const OUString aPrefix( aName.copy( 0L, nPos ));
			const OUString aLName( aName.copy( nPos+1L ));

			if( pData->Namespace.getLength() == 0L )
			{
				if( mpContainer->SetAt( nAttr, aPrefix, aLName, pData->Value ) )
					return;
			}
			else
			{
				if( mpContainer->SetAt( nAttr, aPrefix, pData->Namespace, aLName, pData->Value ) )
					return;
			}
		}
		else
		{
			if( pData->Namespace.getLength() == 0L )
			{
				if( mpContainer->SetAt( nAttr, aName, pData->Value ) )
					return;
			}
		}
	}

	throw lang::IllegalArgumentException();
}

// container::XNameContainer
void SAL_CALL SvUnoAttributeContainer::insertByName(const OUString& aName, const uno::Any& aElement)
throw( lang::IllegalArgumentException, container::ElementExistException, lang::WrappedTargetException, uno::RuntimeException )
{
	if( !aElement.hasValue() || aElement.getValueType() != ::getCppuType((const xml::AttributeData*)0) )
		throw lang::IllegalArgumentException();

	sal_uInt16 nAttr = getIndexByName(aName );
	if( nAttr != USHRT_MAX )
		throw container::ElementExistException();

	xml::AttributeData* pData = (xml::AttributeData*)aElement.getValue();

	sal_Int32 nPos = aName.indexOf( sal_Unicode(':') );
	if( nPos != -1L )
	{
		const OUString aPrefix( aName.copy( 0L, nPos ));
		const OUString aLName( aName.copy( nPos+1L ));

		if( pData->Namespace.getLength() == 0L )
		{
			if( mpContainer->AddAttr( aPrefix, aLName, pData->Value ) )
				return;
		}
		else
		{
			if( mpContainer->AddAttr( aPrefix, pData->Namespace, aLName, pData->Value ) )
				return;
		}
	}
	else
	{
		if( pData->Namespace.getLength() == 0L )
		{
			if( mpContainer->AddAttr( aName, pData->Value ) )
				return;
		}
	}
}

void SAL_CALL SvUnoAttributeContainer::removeByName(const OUString& Name)
	throw( container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException )
{
	sal_uInt16 nAttr = getIndexByName(Name);
	if( nAttr == USHRT_MAX )
		throw container::NoSuchElementException();

	mpContainer->Remove( nAttr );
}

//XServiceInfo
OUString SAL_CALL SvUnoAttributeContainer::getImplementationName(void) throw( uno::RuntimeException )
{
	return OUString::createFromAscii( "SvUnoAttributeContainer" );
}

uno::Sequence< OUString > SvUnoAttributeContainer::getSupportedServiceNames(void)
	throw( uno::RuntimeException )
{
	OUString aSN( OUString::createFromAscii( "com.sun.star.xml.AttributeContainer" ) );
	uno::Sequence< OUString > aNS( &aSN, 1L );
	return aNS;
}

sal_Bool SvUnoAttributeContainer::supportsService(const OUString& ServiceName)
	throw( uno::RuntimeException )
{
	const uno::Sequence < OUString > aServiceNames( getSupportedServiceNames() );
	const OUString* pNames = aServiceNames.getConstArray();
	sal_Int32 nCount = aServiceNames.getLength();
	while( nCount-- )
	{
		if( *pNames++ == ServiceName )
			return sal_True;
	}

	return sal_False;
}