Leaked source code of windows server 2003
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/* Copyright (C) Microsoft Corporation, 1998. All rights reserved. */
#ifndef _GETSYM_H_
#define _GETSYM_H_
#define INPUT_BUFFER_SIZE 4096
#define OUTPUT_BUFFER_SIZE 4096
#define INVALID_CHAR ((char) 0)
class CInput
{
public:
CInput ( BOOL *pfRetCode, LPSTR pszPathName, UINT cbBufSize = INPUT_BUFFER_SIZE );
~CInput ( void );
void NextChar ( void );
void PeekChars ( UINT cChars, LPSTR pszChars );
void SkipChars ( UINT cChars );
char GetChar ( void ) { return (char)m_chCurr; }
BOOL IsEOF ( void )
{
return (m_fEndOfFile && (m_nCurrOffset >= m_cbValidData));
}
UINT GetFileSize ( void ) { return m_cbFileSize; }
BOOL Rewind ( void );
private:
BOOL CheckBuffer ( UINT cChars );
LPSTR m_pszPathName;
UINT m_chCurr;
UINT m_nCurrOffset;
BOOL m_fEndOfFile;
UINT m_cbBufSize;
LPBYTE m_pbDataBuf;
UINT m_cbValidData;
HANDLE m_hFile;
UINT m_cbFileSize;
};
typedef enum
{
SYMBOL_UNKNOWN, // initial value
SYMBOL_EOF,
SYMBOL_IDENTIFIER,
SYMBOL_KEYWORD,
SYMBOL_SPECIAL,
SYMBOL_NUMBER,
SYMBOL_DEFINITION, // "::="
SYMBOL_COMMENT, // "--"
SYMBOL_DOTDOTDOT, // "..."
SYMBOL_SPACE,
SYMBOL_SPACE_EOL,
SYMBOL_FIELD, // "&Type"
}
SYMBOL_ID;
class CSymbol
{
public:
CSymbol ( CInput *pInput );
~CSymbol ( void ) { }
BOOL NextSymbol ( void );
BOOL NextUsefulSymbol ( void );
SYMBOL_ID GetID ( void ) { return m_eSymbolID; }
UINT GetStrLen ( void ) { return m_cchSymbolStr; }
LPSTR GetStr ( void ) { return &m_szSymbolStr[0]; }
BOOL IsSpecial ( void ) { return (SYMBOL_SPECIAL == m_eSymbolID); }
BOOL IsSpecialChar ( char ch ) { return (IsSpecial() && ch == m_szSymbolStr[0]); }
BOOL IsLeftBigBracket ( void ) { return IsSpecialChar('{'); }
BOOL IsRightBigBracket ( void ) { return IsSpecialChar('}'); }
BOOL IsComma ( void ) { return IsSpecialChar(','); }
BOOL IsDot ( void ) { return IsSpecialChar('.'); }
BOOL IsLeftParenth ( void ) { return IsSpecialChar('('); }
BOOL IsRightParenth ( void ) { return IsSpecialChar(')'); }
BOOL IsSemicolon ( void ) { return IsSpecialChar(';'); }
BOOL IsComment ( void ) { return (SYMBOL_COMMENT == m_eSymbolID); }
private:
CInput *m_pInput;
SYMBOL_ID m_eSymbolID;
UINT m_cchSymbolStr;
char m_szSymbolStr[MAX_PATH];
};
class COutput
{
public:
COutput ( BOOL *pfRetCode, LPSTR pszPathName, UINT cbBufSize = OUTPUT_BUFFER_SIZE );
~COutput ( void );
void Flush ( void ) { ::FlushFileBuffers(m_hFile); }
BOOL Write ( LPBYTE pbDataBuf, UINT cbData );
BOOL Write ( LPSTR pszDataBuf, UINT cbData ) { return Write((LPBYTE) pszDataBuf, cbData); }
BOOL Write ( LPCSTR pszDataBuf, UINT cbData ) { return Write((LPBYTE) pszDataBuf, cbData); }
BOOL Write ( CSymbol *pSym ) { return Write(pSym->GetStr(), pSym->GetStrLen()); }
BOOL Writeln ( LPBYTE pbDataBuf, UINT cbData );
BOOL Writeln ( LPSTR pszDataBuf, UINT cbData ) { return Writeln((LPBYTE) pszDataBuf, cbData); }
BOOL Writeln ( LPCSTR pszDataBuf, UINT cbData ) { return Writeln((LPBYTE) pszDataBuf, cbData); }
private:
LPSTR m_pszPathName;
UINT m_cbBufSize;
LPBYTE m_pbDataBuf;
UINT m_cbValidData;
HANDLE m_hFile;
};
#endif // _GETSYM_H_