#ifndef CRYPTOPP_BASECODE_H#define CRYPTOPP_BASECODE_H#include "filters.h"#include "algparam.h"NAMESPACE_BEGIN(CryptoPP)class BaseN_Encoder : public Unflushable<Filter>{public:	BaseN_Encoder(BufferedTransformation *attachment=NULL)		: Unflushable<Filter>(attachment) {}	BaseN_Encoder(const byte *alphabet, int log2base, BufferedTransformation *attachment=NULL, int padding=-1)		: Unflushable<Filter>(attachment)	{		IsolatedInitialize(MakeParameters("EncodingLookupArray", alphabet)			("Log2Base", log2base)			("Pad", padding != -1)			("PaddingByte", byte(padding)));	}	void IsolatedInitialize(const NameValuePairs &parameters);	unsigned int Put2(const byte *begin, unsigned int length, int messageEnd, bool blocking);private:	const byte *m_alphabet;	int m_padding, m_bitsPerChar, m_outputBlockSize;	int m_bytePos, m_bitPos;	SecByteBlock m_outBuf;};class BaseN_Decoder : public Unflushable<Filter>{public:	BaseN_Decoder(BufferedTransformation *attachment=NULL)		: Unflushable<Filter>(attachment) {}	BaseN_Decoder(const int *lookup, int log2base, BufferedTransformation *attachment=NULL)		: Unflushable<Filter>(attachment)	{		IsolatedInitialize(MakeParameters("DecodingLookupArray", lookup)("Log2Base", log2base));	}	void IsolatedInitialize(const NameValuePairs &parameters);	unsigned int Put2(const byte *begin, unsigned int length, int messageEnd, bool blocking);	static void InitializeDecodingLookupArray(int *lookup, const byte *alphabet, unsigned int log2base, bool caseInsensitive);private:	const int *m_lookup;	int m_padding, m_bitsPerChar, m_outputBlockSize;	int m_bytePos, m_bitPos;	SecByteBlock m_outBuf;};class Grouper : public Bufferless<Filter>{public:	Grouper(BufferedTransformation *attachment=NULL)		: Bufferless<Filter>(attachment) {}	Grouper(int groupSize, const std::string &separator, const std::string &terminator, BufferedTransformation *attachment=NULL)		: Bufferless<Filter>(attachment)	{		IsolatedInitialize(MakeParameters("GroupSize", groupSize)			("Separator", ConstByteArrayParameter(separator))			("Terminator", ConstByteArrayParameter(terminator)));	}	void IsolatedInitialize(const NameValuePairs &parameters);	unsigned int Put2(const byte *begin, unsigned int length, int messageEnd, bool blocking);private:	SecByteBlock m_separator, m_terminator;	unsigned int m_groupSize, m_counter;};NAMESPACE_END#endif