#ifndef STR_FILTER_H
#define STR_FILTER_H

#include "bu/string.h"
#include "bu/membuf.h"

namespace Bu
{
	//
	// Encoders
	//
	template<typename tFilter>
	Bu::String encodeStr( const Bu::String &sIn )
	{
		Bu::MemBuf mb;
		{
			tFilter fEnc( mb );
			fEnc.write( sIn.getStr(), sIn.getSize() );
		}
		return mb.getString();
	}

	template<typename tFilter, typename p1t>
	Bu::String encodeStr( const Bu::String &sIn, p1t p1 )
	{
		Bu::MemBuf mb;
		{
			tFilter fEnc( mb, p1 );
			fEnc.write( sIn.getStr(), sIn.getSize() );
		}
		return mb.getString();
	}

	template<typename tFilter, typename p1t, typename p2t>
	Bu::String encodeStr( const Bu::String &sIn, p1t p1, p2t p2 )
	{
		Bu::MemBuf mb;
		{
			tFilter fEnc( mb, p1, p2 );
			fEnc.write( sIn.getStr(), sIn.getSize() );
		}
		return mb.getString();
	}

	template<typename tFilter, typename p1t, typename p2t, typename p3t>
	Bu::String encodeStr( const Bu::String &sIn, p1t p1, p2t p2, p3t p3 )
	{
		Bu::MemBuf mb;
		{
			tFilter fEnc( mb, p1, p2 );
			fEnc.write( sIn.getStr(), sIn.getSize() );
		}
		return mb.getString();
	}

	//
	// Decoders
	//
	template<typename tFilter>
	Bu::String decodeStr( const Bu::String &sIn )
	{
		Bu::MemBuf mb( sIn );
		tFilter fDec( mb );
		char buf[1024];
		String sRet;
		for(;;)
		{
			int iRead = fDec.read( buf, 1024 );
			if( iRead == 0 )
				return sRet;
			sRet.append( buf, iRead );
		}
	}
	
	template<typename tFilter, typename p1t>
	Bu::String decodeStr( const Bu::String &sIn, p1t p1 )
	{
		Bu::MemBuf mb( sIn );
		tFilter fDec( mb, p1 );
		char buf[1024];
		String sRet;
		for(;;)
		{
			int iRead = fDec.read( buf, 1024 );
			if( iRead == 0 )
				return sRet;
			sRet.append( buf, iRead );
		}
	}
	
	template<typename tFilter, typename p1t, typename p2t>
	Bu::String decodeStr( const Bu::String &sIn, p1t p1, p2t p2 )
	{
		Bu::MemBuf mb( sIn );
		tFilter fDec( mb, p1, p2 );
		char buf[1024];
		String sRet;
		for(;;)
		{
			int iRead = fDec.read( buf, 1024 );
			if( iRead == 0 )
				return sRet;
			sRet.append( buf, iRead );
		}
	}
	
	template<typename tFilter, typename p1t, typename p2t, typename p3t>
	Bu::String decodeStr( const Bu::String &sIn, p1t p1, p2t p2, p3t p3 )
	{
		Bu::MemBuf mb( sIn );
		tFilter fDec( mb, p1, p2, p3 );
		char buf[1024];
		String sRet;
		for(;;)
		{
			int iRead = fDec.read( buf, 1024 );
			if( iRead == 0 )
				return sRet;
			sRet.append( buf, iRead );
		}
	}
};

#endif