hxprefutil.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 ***** */

#include "hxtypes.h"
#include "hxresult.h"
#include "hxcom.h"
#include "ihxpckts.h"
#include "hxprefs.h"
#include "hxprefutil.h"
#include "hxstring.h"
#include "hlxclib/stdlib.h"

#include "hxheap.h"
#ifdef _DEBUG
#undef HX_THIS_FILE
static const char HX_THIS_FILE[] = __FILE__;
#endif

HX_RESULT
ReadPrefINT32(IHXPreferences* pPreferences, const char* pszName, UINT32& ulValue)
{
    HX_RESULT   rc = HXR_OK;
    IHXBuffer*  pBuffer = NULL;

    if (pPreferences && HXR_OK == pPreferences->ReadPref(pszName, pBuffer))
    {
        ulValue = atol((const char*) pBuffer->GetBuffer());
        HX_RELEASE(pBuffer);
    }
    else
    {
        rc = HXR_FAILED;
    }

    return rc;
}

HX_RESULT
ReadPrefINT16(IHXPreferences* pPreferences, const char* pszName, UINT16& ulValue)
{
    HX_RESULT   rc = HXR_OK;
    IHXBuffer*  pBuffer = NULL;

    if (pPreferences && HXR_OK == pPreferences->ReadPref(pszName, pBuffer))
    {
        ulValue = atoi((const char*) pBuffer->GetBuffer());
        HX_RELEASE(pBuffer);
    }
    else
    {
        rc = HXR_FAILED;
    }

    return rc;
}

HX_RESULT
ReadPrefFLOAT(IHXPreferences* pPreferences, const char* pszName, HXFLOAT& fValue)
{
    HX_RESULT   rc = HXR_OK;
    IHXBuffer*  pBuffer = NULL;

    if (pPreferences && HXR_OK == pPreferences->ReadPref(pszName, pBuffer))
    {
        fValue = atof((const char*) pBuffer->GetBuffer());
        HX_RELEASE(pBuffer);
    }
    else
    {
        rc = HXR_FAILED;
    }

    return rc;
}

HX_RESULT   
ReadPrefBOOL(IHXPreferences* pPreferences, const char* pszName, BOOL& ulValue)
{
    HX_RESULT   rc = HXR_OK;
    IHXBuffer*  pBuffer = NULL;

    if (pPreferences && HXR_OK == pPreferences->ReadPref(pszName, pBuffer))
    {
        ulValue = (atol((const char*) pBuffer->GetBuffer()))? TRUE : FALSE;
        HX_RELEASE(pBuffer);
    }
    else
    {
        rc = HXR_FAILED;
    }

    return rc;
}

HX_RESULT   
ReadPrefCSTRING(IHXPreferences* pPreferences, const char* pszName, CHXString& strValue)
{
    HX_RESULT   rc = HXR_OK;
    IHXBuffer*  pBuffer = NULL;

    if (pPreferences && HXR_OK == pPreferences->ReadPref(pszName, pBuffer))
    {
        strValue = (const char*) pBuffer->GetBuffer();
        HX_RELEASE(pBuffer);
    }
    else
    {
        rc = HXR_FAILED;
    }

    return rc;
}