hxguid.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:5k
- /* ***** 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 "hlxclib/string.h"
- #include "hxguid.h"
- #include "hxstring.h"
- #include "hxstrutl.h"
- #if defined(HELIX_FEATURE_FULLGUID)
- #if defined _MACINTOSH || defined _UNIX || defined _SYMBIAN
- const GUID GUID_NULL = {0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0}};
- #endif
- #endif
- #define CHARS_FOR_GUID_DATA4 8
- CHXGUID::CHXGUID(void)
- {
- ::SetGUID(m_guid, GUID_NULL);
- }
- CHXGUID::~CHXGUID(void)
- {
- }
- CHXGUID::CHXGUID(REFGUID guid)
- {
- ::SetGUID(m_guid, guid);
- }
- CHXGUID::CHXGUID(const char* pString)
- {
- ::SetGUID(m_guid, GUID_NULL);
- Set(pString);
- }
- BOOL CHXGUID::Set(REFGUID guid)
- {
- ::SetGUID(m_guid, guid);
- return(TRUE);
- }
- BOOL CHXGUID::Set(const char* pString)
- {
- #if defined(HELIX_FEATURE_FULLGUID)
- CHXString t1, t2;
- t1 = pString;
- t2 = t1.NthField('-', 1);
- m_guid.Data1 = ::strtoul(t2, NULL, 16);
- t2 = t1.NthField('-', 2);
- m_guid.Data2 = (UINT16)(::strtoul(t2, NULL, 16));
- t2 = t1.NthField('-', 3);
- m_guid.Data3 = (UINT16)(::strtoul(t2, NULL, 16));
- t2 = t1.NthField('-', 4);
- char d4str[3]; /* Flawfinder: ignore */
- d4str[2] = 0;
- // Loop through the characters in the 4th data field printing them into the buffer
- for (int i=0; i < CHARS_FOR_GUID_DATA4; i++)
- {
- d4str[0] = t2[i * 2];
- d4str[1] = t2[(i * 2) + 1];
- m_guid.Data4[i] = (UCHAR)::strtoul(d4str, NULL, 16);
- }
- return(TRUE);
- #else
- // In this case, GUID is an enum
- BOOL bRet = FALSE;
- if (pString && strlen(pString) > 0)
- {
- UINT32 ulVal = ::strtoul(pString, NULL, 16);
- if (ulVal < NUM_GUIDS)
- {
- m_guid = (GUID) ulVal;
- }
- }
- return bRet;
- #endif
- }
- BOOL CHXGUID::Get(CHXString& string)
- {
- INT32 length = sizeof(GUID)*2+4;
- // Allocate a buffer big enough to store the string representation of a GUID. Size of GUID in bytes * 2 hex digits
- // for one byte + 4 Dashes
- char* szGUID = string.GetBuffer(length);
- CHXGUID::Get(szGUID, length);
- // Null terminate and release buffer
- string.ReleaseBuffer();
- return(TRUE);
- }
- BOOL CHXGUID::Get(char* pBuffer, INT32 bufLen)
- {
- #if !defined(HELIX_FEATURE_FULLGUID)
- BOOL bRet = FALSE;
- if (pBuffer && strlen(pBuffer) > 8)
- {
- // GUID is an enum
- SafeSprintf(pBuffer, bufLen,"%.8lX",m_guid);
- }
- return bRet;
- #else /* #if defined(_STATICALLY_LINKED) && !defined(HELIX_FEATURE_FULLGUID) */
- if (bufLen < sizeof(GUID) * 2 + 4)
- return(FALSE);
- // Write out the first 3 Data fields seperated by dashes and then move to the end of the buffer
- SafeSprintf(pBuffer, bufLen,"%.8lX-%.4hX-%.4hX-",m_guid.Data1,m_guid.Data2,m_guid.Data3);
- bufLen -= strlen(pBuffer); pBuffer += strlen(pBuffer);
- // Loop through the characters in the 4th data field printing them into the buffer
- for (int i=0; i < CHARS_FOR_GUID_DATA4; i++)
- {
- SafeSprintf(pBuffer, bufLen,"%.2lX",(UINT32)m_guid.Data4[i]);
- pBuffer += 2;
- }
- return(TRUE);
- #endif /* #if defined(_STATICALLY_LINKED) && !defined(HELIX_FEATURE_FULLGUID) #else */
- }
- BOOL CHXGUID::IsNull(void)
- {
- return(::IsEqualGUID(m_guid, GUID_NULL));
- }