/**************************************************************
 * 
 * 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
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#include <precomp.h>
#include <tokens/tkp.hxx>

// NOT FULLY DECLARED SERVICES
#include <tools/tkpchars.hxx>
#include <tokens/tkpcontx.hxx>


TokenParser::TokenParser()
	:	pChars(0),
		bHasMore(false)
{
}

void
TokenParser::Start( CharacterSource & i_rSource )
{
    InitSource(i_rSource);
}

void
TokenParser::GetNextToken()
{
	csv_assert(pChars != 0);

	bHasMore = NOT pChars->IsFinished();

	for ( bool bDone = NOT bHasMore; NOT bDone; )
	{
		CurrentContext().ReadCharChain(*pChars);
		bDone = CurrentContext().PassNewToken();
		SetCurrentContext(CurrentContext().FollowUpContext());
	}
}

void
TokenParser::InitSource( CharacterSource & i_rSource )
{
	pChars = &i_rSource;
	bHasMore = true;
	SetStartContext();
}