//Copyright (c) 1998 - 1999 Microsoft Corporation

/*--------------------------------------------------------------------------------------------------------
*
*  Module Name:
*
*      Registry.h
*
*  Abstract:
*
*      declaration of a simple registry class CRegistry.
*
*
*
*  Author:
*
*      Makarand Patwardhan  - April 9, 1997
*
* -------------------------------------------------------------------------------------------------------*/

#if !defined(AFX_REGISTRY_H__AA7047C5_B519_11D1_B05F_00C04FA35813__INCLUDED_)
#define AFX_REGISTRY_H__AA7047C5_B519_11D1_B05F_00C04FA35813__INCLUDED_

#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000


#include <winreg.h>


class CRegistry
{
private:

    LPBYTE      m_pMemBlock;
    HKEY        m_hKey;
    int         m_iEnumIndex;
    int         m_iEnumValueIndex;

    DWORD       ReadReg             (LPCTSTR lpValue, LPBYTE *lppbyte, DWORD *pdw, DWORD dwDatatype);
    void *      Allocate            (DWORD dwSize);



    //
    // This class is not designed to allow copy constructors, = assignments,
    // therefore we should ensure that copy ctor, assignment operator are not
    // generated by compiler. we do that by declaring these functions private
    // and not implementing them. This will ensure that these functions are
    // not generated by compilers, and caller will get error if he tries to
    // use them.
    //

                CRegistry           (const CRegistry &reg);     // copy ctor
  CRegistry &   operator=           (const CRegistry &reg);     // = oprerator



#ifdef DBG
    DWORD       m_dwSizeDebugOnly;
#endif

public:
                CRegistry           ();
                CRegistry           (HKEY hKey);

    virtual     ~CRegistry          ();

    void        Release             ();

    operator    HKEY                ()    {return m_hKey;}


    DWORD       OpenKey             (HKEY hKey, LPCTSTR lpSubKey, REGSAM access = KEY_ALL_ACCESS, LPCTSTR lpMachineName = NULL);
    DWORD       CreateKey           (HKEY hKey, LPCTSTR lpSubKey, REGSAM access = KEY_ALL_ACCESS, DWORD *pDisposition = NULL, LPSECURITY_ATTRIBUTES lpSecAttr  = NULL );

    DWORD       DeleteValue         (LPCTSTR lpValue);
    DWORD       RecurseDeleteKey    (LPCTSTR lpSubKey);
    DWORD       CopyTree            (CRegistry &regSrc);

    DWORD       ReadRegString       (LPCTSTR lpValue, LPTSTR *lppStr, DWORD *pdw);
    DWORD       ReadRegDWord        (LPCTSTR lpValue, DWORD *pdw);
    DWORD       ReadRegMultiString  (LPCTSTR lpValue, LPTSTR *lppStr, DWORD *pdw);
    DWORD       ReadRegBinary       (LPCTSTR lpValue, LPBYTE *lppByte, DWORD *pdw);

    DWORD       WriteRegString      (LPCTSTR lpValueName, LPCTSTR lpStr);
    DWORD       WriteRegExpString      (LPCTSTR lpValueName, LPCTSTR lpStr);
    DWORD       WriteRegDWord       (LPCTSTR lpValueName, DWORD dwValue);
    DWORD       WriteRegDWordNoOverWrite (LPCTSTR lpValueName, DWORD dwValue);      // if value exists, do not overwrite
    DWORD       WriteRegMultiString (LPCTSTR lpValueName, LPCTSTR lpStr, DWORD dwSize);
	DWORD		WriteRegBinary		(LPCTSTR lpValueName, LPBYTE lpData, DWORD dwSize);
	DWORD		ExistInMultiString  (LPCTSTR lpValueName, LPCTSTR lpCheckForStr, BOOL *pbExists);
	DWORD		AppendToMultiString (LPCTSTR lpValueName, LPCTSTR lpStr);


    DWORD       GetFirstSubKey      (LPTSTR *lppStr, DWORD *pdw);
    DWORD       GetNextSubKey       (LPTSTR *lppStr, DWORD *pdw);

    DWORD       GetFirstValue       (LPTSTR *lppStr, DWORD *pdw, DWORD *pDataType);
    DWORD       GetNextValue        (LPTSTR *lppStr, DWORD *pdw, DWORD *pDataType);

    DWORD       GetSecurity         (PSECURITY_DESCRIPTOR *ppSec, SECURITY_INFORMATION SecurityInformation, DWORD *pdwSize);
    DWORD       SetSecurity         (PSECURITY_DESCRIPTOR pSec, SECURITY_INFORMATION SecurityInformation);

};

#endif // !defined(AFX_REGISTRY_H__AA7047C5_B519_11D1_B05F_00C04FA35813__INCLUDED_)

//EOF