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