/*++

Copyright (C) 1998-2001 Microsoft Corporation

Module Name:

    Converter.h

Abstract:

    interface for the CConverter class.

History:

	9/15/98 Created 
	9/22/98	Removed Convert(ULONG); Added Convert(CVar) & Convert(CVarVector)

--*/
#ifndef __CONVERTER_H
#define __CONVERTER_H

#define ERR_NOERROR					0x00000000
#define ERR_UNKNOWN					0x00000001
#define ERR_INVALID_SIGNED_VALUE	0x00000002
#define ERR_INVALID_TOKEN			0x00000003
#define ERR_OUT_OF_RANGE			0x00000004
#define ERR_NULL_CIMTYPE			0x00000005
#define ERR_INVALID_INPUT_STRING	0x00000006
#define ERR_NULL_TOKEN				0x00000007
#define ERR_UNKNOWN_BASE			0x00000008
#define ERR_UNMATCHED_BRACE			0x00000009

#define BASE_DEC	10
#define BASE_HEX	16

typedef long CIMType;

class CConverter  
{
	CIMType	m_ct;			// CIM type
	char*	m_szString;		// Input string
//	char*	m_szCurrent;	// Current token pointer

	CConverter(const char* szString, CIMType ct);
	virtual ~CConverter();

	UINT SetBoundary(BOOL bNeg, ULONG *uMaxSize);
	BOOL Done(char *ch);
	BOOL Separator();
	BOOL IsValidDec(char ch);
	BOOL IsValidHex(char ch);

	char PeekToken(char *ch);
	BOOL GetToken(char **ch);
	void ReplaceToken(char **ch);

	UINT Token_Sequence(CVarVector *pVarVec);
	UINT Token_Sequence(CVar *pVar);
	UINT Token_Number(char **ch, CVar *pVar);
	UINT Token_Digit(char **ch, ULONG *ulRes);
	UINT Token_Separator(char **ch);
	UINT Token_DecField(char **ch, BOOL bNeg, ULONG *pVal);
	UINT Token_HexField(char **ch, BOOL bNeg, ULONG *pVal);
	UINT Token_DecDigit(char **ch, ULONG *pVal);
	UINT Token_HexDigit(char **ch, ULONG *pVal);
	UINT Token_Comment(char **ch);
	UINT Token_WhiteSpace(char **ch);
public:
	static UINT Convert(const char* szString, CIMType ct, ULONG *ulRes);
	static UINT Convert(const char* szString, CIMType ct, CVar *pVar);
	static UINT Convert(const char* szString, CIMType ct, CVarVector *pVarVec);
};

#endif //__CONVERTER_H