wrvstrng.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:3k
- /* ***** 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 "hxcom.h"
- #include "hxtypes.h"
- #include "hxresult.h"
- #include "hxstring.h"
- #include "hxwinreg.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- CWinRegStringValue::CWinRegStringValue(const char* szName, HKEY hkParent)
- : AWinRegValue(szName, hkParent)
- {
- }
- CWinRegStringValue::~CWinRegStringValue()
- {
- }
- CWinRegStringValue&
- CWinRegStringValue::operator=(const char* szNewValue)
- {
- FromString(szNewValue);
- return *this;
- }
- BOOL
- CWinRegStringValue::IsString()
- {
- UINT32 ulType;
- if
- (
- RegQueryValueEx
- (
- m_hkParent,
- OS_STRING(m_sName),
- NULL,
- &ulType,
- NULL,
- NULL
- ) == ERROR_SUCCESS
- &&
- ulType == REG_SZ
- )
- {
- return TRUE;
- }
- return FALSE;
- }
- BOOL
- CWinRegStringValue::AsString(CHXString& rsValue)
- {
- UINT32 ulType;
- UINT32 ulSize;
-
- rsValue.Empty();
-
- if
- (
- RegQueryValueEx
- (
- m_hkParent,
- OS_STRING(m_sName),
- NULL,
- &ulType,
- NULL,
- &ulSize
- ) == ERROR_SUCCESS
- &&
- ulType == REG_SZ
- )
- {
- if (!ulSize)
- {
- return TRUE;
- }
- ++ulSize;
- if
- (
- RegQueryValueEx
- (
- m_hkParent,
- OS_STRING(m_sName),
- NULL,
- &ulType,
- (unsigned char*)rsValue.GetBufferSetLength(ulSize),
- &ulSize
- ) == ERROR_SUCCESS
- )
- {
- return TRUE;
- }
- }
- return FALSE;
- }
- BOOL
- CWinRegStringValue::FromString(const char* szNew)
- {
- if
- (
- RegSetValueEx
- (
- m_hkParent,
- OS_STRING(m_sName),
- NULL,
- REG_SZ,
- (unsigned char*)szNew,
- strlen(szNew)
- ) == ERROR_SUCCESS
- )
- {
- return TRUE;
- }
- return FALSE;
- }
- BOOL
- CWinRegStringValue::DoesExist()
- {
- return IsString();
- }