Leaked source code of windows server 2003
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//+---------------------------------------------------------------------------
//
//
// CTrie - class CTrie encapsulation for Trie data structure.
//
// History:
// created 6/99 aarayas
//
// ©1999 Microsoft Corporation
//----------------------------------------------------------------------------
#ifndef _CTRIE_H_
#define _CTRIE_H_
#include <windows.h>
#include <assert.h>
#include <memory.h>
#include "lexheader.h"
#include "trie.h"
//#include "NLGlib.h"
#include "ProofBase.h"
#include "thwbdef.hpp"
#include "CFileManager.h"
#define lidThai 0x41e
#define lidViet 0x42a
// 1111 0000 0000 0000 0000 0000 0000 0000 -- Alt Mask
// 0000 1111 1111 1111 1111 0000 0000 0000 -- Pos Mas
const int iDialectMask = 1;
const int iRestrictedMask = 16;
const int iPosMask = 268431360; // 0x0FFFF000
const int iAltMask = 4026531840; // 0xF0000000
const int iFrqShift = 8;
const int iPosShift = 12;
const int iAltShift = 28;
class CTrie;
class CTrieIter {
public:
// Initialization functions.
CTrieIter();
CTrieIter(const CTrieIter& trieIter);
virtual void Init(CTrie*);
virtual void Init(TRIECTRL*);
// Interation functions.
virtual void Reset();
virtual BOOL Down();
virtual BOOL Right();
virtual void GetNode();
// Local variables.
WCHAR wc;
BOOL fWordEnd;
BOOL fRestricted;
BYTE frq;
DWORD posTag;
DWORD dwTag; // Uncompress word tags.
protected:
//Trie
TRIECTRL* pTrieCtrl;
// Trie Iterator.
TRIESCAN trieScan;
};
class CTrie {
friend class CTrieIter;
public:
CTrie();
~CTrie();
static PTEC retcode(int mjr, int mnr) { return MAKELONG(mjr, mnr); }
bool Init(const WCHAR* szFileName);
PTEC InitRc(LPBYTE lpMap, BOOL fSkipHeader);
void UnInit();
BOOL Find(const WCHAR* szWord, DWORD* pdwPOS);
protected:
// PMFILE pMapFile;
TRIECTRL *pTrieCtrl;
CTrieIter* pTrieScan;
CFileManager* pFileManager;
BYTE *m_pMap;
// TRIECTRL * m_pTrieCtrl;
};
#endif