smlutil.cpp

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 

// system
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
// include
#include "hxtypes.h"
#include "hxcom.h"
#include "ihxpckts.h"
#include "hxprefs.h"
// rmasmil
#include "smlutil.h"


HX_RESULT getPreference(IUnknown*        pContext,
                        const char*      pszKey,
                        REF(IHXBuffer*) rpValue)
{
    HX_RESULT retVal = HXR_FAIL;

    if (pContext && pszKey)
    {
        IHXPreferences* pPreferences = NULL;
        retVal = pContext->QueryInterface(IID_IHXPreferences,
                                          (void**) &pPreferences);
        if (SUCCEEDED(retVal))
        {
            IHXBuffer* pBuf = NULL;
            retVal = pPreferences->ReadPref(pszKey, pBuf);
            if (SUCCEEDED(retVal))
            {
                HX_RELEASE(rpValue);
                rpValue = pBuf;
                rpValue->AddRef();
            }
            HX_RELEASE(pBuf);

        }
        HX_RELEASE(pPreferences);
    }

    return retVal;
}

HX_RESULT getBooleanPreference(IUnknown*   pContext,
                               const char* pszKey,
                               REF(BOOL)   rbValue)
{
    HX_RESULT retVal = HXR_FAIL;

    if (pContext && pszKey)
    {
        IHXBuffer* pBuf = NULL;
        retVal = getPreference(pContext, pszKey, pBuf);
        if (SUCCEEDED(retVal))
        {
            INT32 lValue = ::atoi((const char*) pBuf->GetBuffer());
            if (lValue == 1)
            {
                rbValue = TRUE;
            }
        }
        HX_RELEASE(pBuf);
    }

    return retVal;
}