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// ==============================================================
// This file is part of Glest Shared Library (www.glest.org)
//
// Copyright (C) 2001-2008 Martiño Figueroa
//
// You can redistribute this code 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
// ==============================================================
#ifndef _SHARED_UTIL_CHECKSUM_H_
#define _SHARED_UTIL_CHECKSUM_H_
#include <string>
#include <map>
#include "data_types.h"
#include "thread.h"
#include "leak_dumper.h"
using std::string;
using namespace Shared::Platform;
namespace Shared{ namespace Util{
// =====================================================
// class Checksum
// =====================================================
class Checksum {
private:
uint32 sum;
int32 r;
int32 c1;
int32 c2;
std::map<string,uint32> fileList;
static Mutex fileListCacheSynchAccessor;
static std::map<string,uint32> fileListCache;
void addSum(uint32 value);
bool addFileToSum(const string &path);
public:
Checksum();
uint32 getSum();
uint32 getFinalFileListSum();
uint32 getFileCount();
//uint32 addByte(int8 value);
uint32 addByte(const char value);
uint32 addBytes(const void *_data, size_t _size);
void addString(const string &value);
uint32 addInt(const int32 &value);
uint32 addUInt(const uint32 &value);
uint32 addInt64(const int64 &value);
void addFile(const string &path);
static void removeFileFromCache(const string file);
static void clearFileCache();
};
}}//end namespace
#endif
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