www.pudn.com > DCPlusPlus-src.zip > HashValue.h

/*  
 * Copyright (C) 2001-2004 Jacek Sieka, j_s at telia com 
 * 
 * This program is free software; you can redistribute it and/or modify 
 * it under the terms of the GNU General Public License as published by 
 * the Free Software Foundation; either version 2 of the License, or 
 * (at your option) any later version. 
 * 
 * This program is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 * GNU General Public License for more details. 
 * 
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, write to the Free Software 
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
 */ 
 
#ifndef _HASH_VALUE 
#define _HASH_VALUE 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
#include "FastAlloc.h" 
 
template 
struct HashValue : FastAlloc >{ 
	static const size_t SIZE = Hasher::HASH_SIZE; 
 
	typedef HashValue* Ptr; 
	struct PtrHash { 
		size_t operator()(const Ptr rhs) const { return *(size_t*)rhs; }; 
		bool operator()(const Ptr lhs, const Ptr rhs) const { return (*lhs) == (*rhs); }; 
	}; 
	struct PtrLess { 
		int operator()(const Ptr lhs, const Ptr rhs) { return (*lhs) < (*rhs); }; 
	}; 
 
	HashValue() { }; 
	HashValue(u_int8_t* aData) { memcpy(data, aData, SIZE); } 
	HashValue(const string& base32) { Encoder::fromBase32(base32.c_str(), data, SIZE); }; 
	HashValue(const HashValue& rhs) { memcpy(data, rhs.data, SIZE); } 
	HashValue& operator=(const HashValue& rhs) { memcpy(data, rhs.data, SIZE); return *this; } 
	bool operator!=(const HashValue& rhs) const { return !(*this == rhs); } 
	bool operator==(const HashValue& rhs) const { return memcmp(data, rhs.data, SIZE) == 0; } 
	bool operator<(const HashValue& rhs) const { return memcmp(data, rhs.data, SIZE) < 0; } 
 
	string toBase32() const { return Encoder::toBase32(data, SIZE); }; 
	string& toBase32(string& tmp) const { return Encoder::toBase32(data, SIZE, tmp); }; 
 
	u_int8_t data[SIZE]; 
}; 
 
#endif // _HASH_VALUE 
 
/** 
* @file 
* $Id: HashValue.h,v 1.8 2004/09/23 09:06:26 arnetheduck Exp $ 
*/