filestore.hpp

来自「一个WinCE6。0下的IP phone的源代码」· HPP 代码 · 共 87 行

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this sample source code is subject to the terms of the Microsoft
// license agreement under which you licensed this sample source code. If
// you did not accept the terms of the license agreement, you are not
// authorized to use this sample source code. For the terms of the license,
// please see the license agreement between you and Microsoft or, if applicable,
// see the LICENSE.RTF on your install media or the root of your tools installation.
// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
//
#pragma once 

#ifndef __INCLUDE_FILESTORE_HPP__
#define __INCLUDE_FILESTORE_HPP__

#include <windows.h>
#include <string.hxx>
#include "StoreBase.hpp"

/*------------------------------------------------------------------------------
    FileStore_t
    
    class represents the file store that used to save provision setting
------------------------------------------------------------------------------*/
class FileStore_t : public Store_t
{
public:
    static 
    HRESULT
    DoPreparation(
        void
        ); 
        
    
public:
    FileStore_t(
        const WCHAR*    c_pFileName
        ); 

    ~FileStore_t(
        void
        ); 

    HRESULT
    SetValue(
        SettingCategory_e   OperationCategory,     
        const BYTE*         pValue, 
        DWORD               ValueSize
        ); 

    HRESULT
    GetValue(
        SettingCategory_e   OperationCategory,     
        BYTE**              ppValue, 
        DWORD*              pValueSize
        ); 
        
    
    HRESULT
    Delete(
        SettingCategory_e   OperationCategory, 
        bool*               pNotExist = NULL
        ); 

    HRESULT
    CheckOldValueExists(
        SettingCategory_e   CheckCategory, 
        bool*               pNotExist
        ); 
    

private:

    static const WCHAR  sc_FileDirectory[];     
    static const WCHAR* sc_FilePrefixes[]; 

    ce::wstring m_Name; 

}; 

#endif