mirror of https://github.com/lianthony/NT4.0
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
1.7 KiB
98 lines
1.7 KiB
/************************************************************************
|
|
* *
|
|
* HALL.H *
|
|
* *
|
|
* Copyright (C) Microsoft Corporation 1994 *
|
|
* All Rights reserved. *
|
|
* *
|
|
************************************************************************/
|
|
|
|
// HALL.h -- CCompressTable class definition
|
|
|
|
#ifndef __HALL_H__
|
|
|
|
#define __HALL_H__
|
|
|
|
typedef void *PVOID;
|
|
|
|
|
|
#define NDX_LOW_CLASS 0x00
|
|
#define NDX_MEDIUM_CLASS 0x01
|
|
#define LITERAL_CLASS 0x02
|
|
#define SPACES_CLASS 0x03
|
|
#define NULL_CLASS 0x04
|
|
#define SPACE_TOKEN_LIMIT 17
|
|
|
|
#define SYMBOL_CHAR 1
|
|
|
|
typedef struct _ENCODE // JOHN
|
|
{
|
|
BYTE fClass;
|
|
BYTE abCode[3];
|
|
} ENCODE;
|
|
typedef ENCODE *PENCODE;
|
|
|
|
typedef struct _WEIGHT // JOHN
|
|
{
|
|
BOOL bSymbol;
|
|
int cb;
|
|
PSTR pb;
|
|
} WEIGHT;
|
|
typedef WEIGHT FAR *PWEIGHTS;
|
|
|
|
typedef struct _JIndexHdr
|
|
{
|
|
DWORD cBits : 5;
|
|
DWORD cCount : 19;
|
|
DWORD Magic : 8;
|
|
} JBITHDR;
|
|
|
|
|
|
#define ENCODE_LIMIT 1024
|
|
#ifdef _DEBUG
|
|
extern int iNumLiterals;
|
|
extern int iNumLiteralBytes;
|
|
#endif
|
|
|
|
class CCompressTable
|
|
{
|
|
public:
|
|
|
|
static CCompressTable* STDCALL NewCompressTable(PBYTE pbImage, LONG cbImage, PBYTE pbIndex, LONG cbIndex);
|
|
|
|
~CCompressTable();
|
|
|
|
int STDCALL DeCompressString(PSTR pbComp, PSTR pbDecomp, int cbComp); // JOHN
|
|
|
|
private:
|
|
|
|
|
|
PWEIGHTS m_pWeights; // JOHN
|
|
PBYTE m_pTableImage;
|
|
};
|
|
|
|
|
|
#define BITS_AVAIL (sizeof(DWORD) * 8)
|
|
|
|
class CJCode
|
|
{
|
|
public:
|
|
CJCode(int base, int cCount, PSTR pv);
|
|
int GetNextDelta(void);
|
|
BOOL IsSymbol();
|
|
void NextFlagBits();
|
|
|
|
private:
|
|
int GetBits(void);
|
|
|
|
DWORD *m_pData;
|
|
DWORD *m_pDataCurrent;
|
|
int m_cCount;
|
|
int m_cCurrent;
|
|
int m_base;
|
|
DWORD m_fBasisMask;
|
|
int m_iLeft;
|
|
};
|
|
|
|
|
|
#endif __HALL_H__
|