/**************************************************************
 * 
 * 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_comphelper.hxx"
#include <comphelper/attributelist.hxx>
#include <vos/diagnose.hxx>

#include <vector>

using namespace rtl;
using namespace osl;
using namespace com::sun::star;

namespace comphelper {

struct TagAttribute_Impl
{
	TagAttribute_Impl(){}
	TagAttribute_Impl( const OUString &aName, const OUString &aType,
						 const OUString &aValue )
	{
		this->sName 	= aName;
		this->sType 	= aType;
		this->sValue 	= aValue;
	}

	OUString sName;
	OUString sType;
	OUString sValue;
};

struct AttributeList_Impl
{
	AttributeList_Impl()
	{
		// performance improvement during adding
		vecAttribute.reserve(20);
	}
	::std::vector<struct TagAttribute_Impl> vecAttribute;
};

sal_Int16 SAL_CALL AttributeList::getLength(void) throw( ::com::sun::star::uno::RuntimeException )
{
	return (sal_Int16)(m_pImpl->vecAttribute.size());
}

OUString SAL_CALL AttributeList::getNameByIndex(sal_Int16 i) throw( ::com::sun::star::uno::RuntimeException )
{
    return ( i < static_cast < sal_Int16 > (m_pImpl->vecAttribute.size()) ) ? m_pImpl->vecAttribute[i].sName : OUString();
}

OUString SAL_CALL AttributeList::getTypeByIndex(sal_Int16 i) throw( ::com::sun::star::uno::RuntimeException )
{
	if( i < static_cast < sal_Int16 > (m_pImpl->vecAttribute.size() ) ) {
		return m_pImpl->vecAttribute[i].sType;
	}
	return OUString();
}

OUString SAL_CALL  AttributeList::getValueByIndex(sal_Int16 i) throw( ::com::sun::star::uno::RuntimeException )
{
    return ( i < static_cast < sal_Int16 > (m_pImpl->vecAttribute.size() ) ) ? m_pImpl->vecAttribute[i].sValue : OUString();
}

OUString SAL_CALL AttributeList::getTypeByName( const OUString& sName ) throw( ::com::sun::star::uno::RuntimeException )
{
	::std::vector<struct TagAttribute_Impl>::iterator ii = m_pImpl->vecAttribute.begin();

	for( ; ii != m_pImpl->vecAttribute.end() ; ii ++ ) {
		if( (*ii).sName == sName ) {
			return (*ii).sType;
		}
	}
	return OUString();
}

OUString SAL_CALL AttributeList::getValueByName(const OUString& sName) throw( ::com::sun::star::uno::RuntimeException )
{
	::std::vector<struct TagAttribute_Impl>::iterator ii = m_pImpl->vecAttribute.begin();

	for( ; ii != m_pImpl->vecAttribute.end() ; ii ++ ) {
		if( (*ii).sName == sName ) {
			return (*ii).sValue;
		}
	}
	return OUString();
}


AttributeList::AttributeList()
{
	m_pImpl = new AttributeList_Impl;
}


AttributeList::~AttributeList()
{
	delete m_pImpl;
}

void AttributeList::AddAttribute( 	const OUString &sName ,
										const OUString &sType ,
										const OUString &sValue )
{
	m_pImpl->vecAttribute.push_back( TagAttribute_Impl( sName , sType , sValue ) );
}

void AttributeList::Clear()
{
	m_pImpl->vecAttribute.clear();

	VOS_ENSURE( ! getLength(), "Length > 0 after AttributeList::Clear!");
}

void AttributeList::RemoveAttribute( const OUString sName )
{
	::std::vector<struct TagAttribute_Impl>::iterator ii = m_pImpl->vecAttribute.begin();

	for( ; ii != m_pImpl->vecAttribute.end() ; ii ++ ) {
		if( (*ii).sName == sName ) {
			m_pImpl->vecAttribute.erase( ii );
			break;
		}
	}
}


void AttributeList::SetAttributeList( const uno::Reference< ::com::sun::star::xml::sax::XAttributeList >  &r )
{
	Clear();
	AppendAttributeList( r );
}

void AttributeList::AppendAttributeList( const uno::Reference< ::com::sun::star::xml::sax::XAttributeList >  &r )
{
	VOS_ENSURE( r.is(), "r isn't!" );

	sal_Int32 nMax = r->getLength();
	sal_Int32 nTotalSize = m_pImpl->vecAttribute.size() + nMax;
	m_pImpl->vecAttribute.reserve( nTotalSize );

	for( sal_Int16 i = 0 ; i < nMax ; i ++ ) {
		m_pImpl->vecAttribute.push_back( TagAttribute_Impl(
			r->getNameByIndex( i ) ,
			r->getTypeByIndex( i ) ,
			r->getValueByIndex( i )));
	}

	VOS_ENSURE( nTotalSize == getLength(), "nTotalSize != getLength()");
}

} // namespace comphelper