Source code of Windows XP (NT5)
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54 lines
1.2 KiB

//////////////////////////////////////////////////////////////////////
// Hash.h: interface for the CHash class.
//
// Created by JOEM 03-2000
// Copyright (C) 2000 Microsoft Corporation
// All Rights Reserved
//
/////////////////////////////////////////////////////// JOEM 3-2000 //
#if !defined(AFX_HASH_H__4D944890_12DA_4329_9B53_48B185627578__INCLUDED_)
#define AFX_HASH_H__4D944890_12DA_4329_9B53_48B185627578__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "common.h"
#include <spddkhlp.h>
#include <spcollec.h>
//This should be some large prime number
#define HASH_SIZE 36919
// The main variable within a CHash
class CHashNode
{
public:
CHashNode();
~CHashNode();
WCHAR* m_pszKey;
IUnknown* m_pValue;
CHashNode* m_pNext;
};
class CHash
{
public:
CHash();
~CHash();
STDMETHOD(BuildEntry)(const WCHAR* pszKey, IUnknown* pValue);
STDMETHOD(DeleteEntry)(const WCHAR* pszKey);
STDMETHOD(NextKey)(USHORT* punIdx1, USHORT* punIdx2, WCHAR** ppszKey );
IUnknown* Find(const WCHAR* pszKey);
private:
int HashValue(WCHAR* pszKey);
private:
CHashNode* m_heads[HASH_SIZE];
};
#endif // !defined(AFX_HASH_H__4D944890_12DA_4329_9B53_48B185627578__INCLUDED_)