AOO410/main/xmloff/source/forms/attriblistmerge.cxx

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 * 
 * 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 "attriblistmerge.hxx"

//.........................................................................
namespace xmloff
{
//.........................................................................

	using namespace ::com::sun::star::uno;
	using namespace ::com::sun::star::xml;

	//=====================================================================
	//= OAttribListMerger
	//=====================================================================
	//---------------------------------------------------------------------
	void OAttribListMerger::addList(const Reference< sax::XAttributeList >& _rxList)
	{
		OSL_ENSURE(_rxList.is(), "OAttribListMerger::addList: invalid list!");
		if (_rxList.is())
			m_aLists.push_back(_rxList);
	}

	//---------------------------------------------------------------------
	sal_Bool OAttribListMerger::seekToIndex(sal_Int16 _nGlobalIndex, Reference< sax::XAttributeList >& _rSubList, sal_Int16& _rLocalIndex)
	{
		sal_Int16 nLeftOver = _nGlobalIndex;
		ConstAttributeListArrayIterator aLookupSublist = m_aLists.begin();

		for ( ; (aLookupSublist != m_aLists.end()) && (nLeftOver >= (*aLookupSublist)->getLength());
				++aLookupSublist
			)
			nLeftOver = nLeftOver - (*aLookupSublist)->getLength();

		if (aLookupSublist == m_aLists.end())
		{
			OSL_ENSURE(sal_False, "OAttribListMerger::seekToIndex: invalid index!");
			return sal_False;
		}
		_rSubList = *aLookupSublist;
		_rLocalIndex = nLeftOver;
		return sal_True;
	}

	//---------------------------------------------------------------------
	sal_Bool OAttribListMerger::seekToName(const ::rtl::OUString& _rName, Reference< sax::XAttributeList >& _rSubList, sal_Int16& _rLocalIndex)
	{
		for (	ConstAttributeListArrayIterator aLookupSublist = m_aLists.begin();
				aLookupSublist != m_aLists.end();
				++aLookupSublist
			)
			for	(sal_Int16 i=0; i<(*aLookupSublist)->getLength(); ++i)
				if ((*aLookupSublist)->getNameByIndex(i) == _rName)
				{
					_rSubList = *aLookupSublist;
					_rLocalIndex = i;
					return sal_True;
				}

		OSL_ENSURE(sal_False, "OAttribListMerger::seekToName: did not find the name!");
		return sal_False;
	}

	//---------------------------------------------------------------------
	sal_Int16 SAL_CALL OAttribListMerger::getLength(  ) throw(RuntimeException)
	{
		sal_Int16 nCount = 0;
		for (	ConstAttributeListArrayIterator aAccumulate = m_aLists.begin();
				aAccumulate != m_aLists.end();
				++aAccumulate
			)
			nCount = nCount + (*aAccumulate)->getLength();
		return nCount;
	}

	//---------------------------------------------------------------------
	::rtl::OUString SAL_CALL OAttribListMerger::getNameByIndex( sal_Int16 i ) throw(RuntimeException)
	{
		Reference< sax::XAttributeList > xSubList;
		sal_Int16 nLocalIndex;

		if (!seekToIndex(i, xSubList, nLocalIndex))
			return ::rtl::OUString();

		return xSubList->getNameByIndex(nLocalIndex);
	}

	//---------------------------------------------------------------------
	::rtl::OUString SAL_CALL OAttribListMerger::getTypeByIndex( sal_Int16 i ) throw(RuntimeException)
	{
		Reference< sax::XAttributeList > xSubList;
		sal_Int16 nLocalIndex;

		if (!seekToIndex(i, xSubList, nLocalIndex))
			return ::rtl::OUString();

		return xSubList->getTypeByIndex(nLocalIndex);
	}

	//---------------------------------------------------------------------
	::rtl::OUString SAL_CALL OAttribListMerger::getTypeByName( const ::rtl::OUString& _rName ) throw(RuntimeException)
	{
		Reference< sax::XAttributeList > xSubList;
		sal_Int16 nLocalIndex;

		if (!seekToName(_rName, xSubList, nLocalIndex))
			return ::rtl::OUString();

		// though we're in getTypeByName here, we reroute this to the getTypeByIndex of the sub list,
		// assuming that this is faster
		return xSubList->getTypeByIndex(nLocalIndex);
	}

	//---------------------------------------------------------------------
	::rtl::OUString SAL_CALL OAttribListMerger::getValueByIndex( sal_Int16 i ) throw(RuntimeException)
	{
		Reference< sax::XAttributeList > xSubList;
		sal_Int16 nLocalIndex;

		if (!seekToIndex(i, xSubList, nLocalIndex))
			return ::rtl::OUString();

		return xSubList->getValueByIndex(nLocalIndex);
	}

	//---------------------------------------------------------------------
	::rtl::OUString SAL_CALL OAttribListMerger::getValueByName( const ::rtl::OUString& _rName ) throw(RuntimeException)
	{
		Reference< sax::XAttributeList > xSubList;
		sal_Int16 nLocalIndex;

		if (!seekToName(_rName, xSubList, nLocalIndex))
			return ::rtl::OUString();

		// though we're in getValueByName here, we reroute this to the getValueByIndex of the sub list,
		// assuming that this is faster
		return xSubList->getValueByIndex(nLocalIndex);
	}

//.........................................................................
}	// namespace xmloff
//.........................................................................