/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/


#ifndef CONTENTREADER_HXX_INCLUDED
#define CONTENTREADER_HXX_INCLUDED

#include "internal/basereader.hxx"

class ITag;

class CContentReader : public CBaseReader
{
public:
	virtual ~CContentReader();

	//CContentReader( const std::string& DocumentName );
	CContentReader( const std::string& DocumentName, LocaleSet_t const & DocumentLocale );

	CContentReader( void* stream, LocaleSet_t const & DocumentLocale, zlib_filefunc_def* fa );


	/** Get the chunkbuffer.

		@return 
		the chunkbuffer of the document.
	*/
	inline ChunkBuffer_t const & getChunkBuffer( ) const{ return m_ChunkBuffer; };

protected: // protected because its only an implementation relevant class

	/** start_element occurs when a tag is start.

		@param raw_name
		raw name of the tag.
		@param local_name
		local name of the tag.
		@param attributes
		attribute structure.
	*/
	virtual void start_element(
		const std::wstring& raw_name, 
		const std::wstring& local_name, 
		const XmlTagAttributes_t& attributes);

	/** end_element occurs when a tag is closed

		@param raw_name
		raw name of the tag.
		@param local_name
		local name of the tag.
	*/
	virtual void end_element(
		const std::wstring& raw_name, const std::wstring& local_name);

	/** characters occurs when receiving characters

		@param character
		content of the information received.
	*/
	virtual void characters(const std::wstring& character);

protected: 
	/** choose an appropriate tag reader to handle the tag.

		@param tag_name
		the name of the tag.
		@param XmlAttributes
		attribute structure of the tag to save in.
	*/
	ITag* chooseTagReader( 
		const std::wstring& tag_name, const XmlTagAttributes_t& XmlAttributes );

	/** Get the list of style locale pair.

		@return 
		the Style-Locale map 
	*/
	inline StyleLocaleMap_t const & getStyleMap( ) const{ return m_StyleMap; };

	/** get style of the current content.

		@return style of the current content.
	*/
	::std::wstring getCurrentContentStyle( void );

	/** add chunk into Chunk Buffer.
	*/
	void addChunk( LocaleSet_t const & Locale, Content_t const & Content );

	/** get a style's locale field.
	*/
	LocaleSet_t const & getLocale( const StyleName_t Style );

private:
    std::stack<ITag*> m_TagBuilderStack;

	ChunkBuffer_t   m_ChunkBuffer;
	StyleLocaleMap_t      m_StyleMap;
	LocaleSet_t m_DefaultLocale;
}; 

#endif