/*
	Copyright 2006 - 2008
	ZhangLuduo <zhangluduo@msn.com>
	All Rights Reserved.
							
	Base64 編碼及解碼

	作者	- 張魯奪(zhangluduo)
	MSN		- zhangluduo@msn.com
	QQ群	- 34064264

	為所有愛我的人和我愛的人努力!
*/

#ifndef _BASE64EX_H
#define _BASE64EX_H

#include "Base64.h"
#include "MemberFxn.h"

#define ENCODE_BUFFER_SIZE	570 // 編碼緩沖區大小,這個值必須是57的整數倍!
#define DECODE_BUFFER_SIZE	780 // 解碼緩沖區大小,這個值必須是76 + 2("\r\n")的整數倍!

class Base64Ex : public Base64
{
private:

	void OnEncodProcessing(int nProgress, MemberFxn addr);
	void OnDecodProcessing(int nProgress, MemberFxn addr);
	unsigned long GetFileSize(const char* FileName);

private:

	bool	m_bEncodeTerminate;
	bool	m_bDecodeTerminate;

	string	m_strEncodeErr;
	string	m_strDecodeErr;

public:

	bool FileEncode(const char* inFileName, const char* outFileName, MemberFxn addr = 0);
	bool FileDecode(const char* inFileName, const char* outFileName, MemberFxn addr = 0);

	void EncodeTerminate();
	void DecodeTerminate();

	string GetEncodeError();
	string GetDecodeError();

};

#endif