windows-nt/Source/XPSP1/NT/enduser/stuff/hhctrl/cinput.h

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2020-09-26 03:20:57 -05:00
// Copyright (C) 1994-1997 Microsoft Corporation. All rights reserved.
#if _MSC_VER > 1000
#pragma once
#endif
#ifndef __CINPUT_H__
#define __CINPUT_H__
#include "cstr.h"
class CHmData; // forward reference
class CFSClient; // forward reference
class CInput
{
public:
CInput();
CInput(LPCSTR pszFileName);
~CInput(void);
BOOL Open(PCSTR pszFile, CHmData* phmData = NULL);
void Close();
HANDLE GetFileHandle() { return m_hfile; }
BOOL isInitialized() ;
BOOL getline(CStr* pcsz);
protected:
BOOL ReadNextBuffer(void);
CFSClient* m_pfsClient;
HANDLE m_hfile; // this will be non-NULL but invalid if m_pfsClient is used
PBYTE m_pbuf; // allocated buffer for reading
PBYTE m_pCurBuf; // current buffer location
PBYTE m_pEndBuf; // buffer end position
BOOL fFastRead; // TRUE if we can search for /r in getline
};
typedef struct {
CInput* pin;
PSTR pszBaseName;
} AINPUT;
const int MAX_NEST_INPUT = 20; // maximum nested include file
class CAInput
{
public:
CAInput() { m_curInput = -1; }
~CAInput() {
while (m_curInput >= 0)
Remove();
}
BOOL Add(PCSTR pszFile);
BOOL Remove(void) {
if (m_curInput >= 0) {
lcFree(m_ainput[m_curInput].pszBaseName);
delete m_ainput[m_curInput].pin;
--m_curInput;
}
return (m_curInput >= 0);
}
BOOL getline(CStr* pcsz) { return m_ainput[m_curInput].pin->getline(pcsz); }
PSTR GetBaseName(void) const { return m_ainput[m_curInput].pszBaseName; }
protected:
int m_curInput;
AINPUT m_ainput[MAX_NEST_INPUT + 1];
};
#endif // __CINPUT_H__