Source code of Windows XP (NT5)
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// Uuid.h -- Universally Unique IDentifier functor wrapper implementation to
// create and manage UUIDs
// (c) Copyright Schlumberger Technology Corp., unpublished work, created
// 1999. This computer program includes Confidential, Proprietary
// Information and is a Trade Secret of Schlumberger Technology Corp. All
// use, disclosure, and/or reproduction is prohibited unless authorized
// in writing. All Rights Reserved.
#if defined(_UNICODE)
#if !defined(UNICODE)
#define UNICODE
#endif //!UNICODE
#endif //_UNICODE
#if defined(UNICODE)
#if !defined(_UNICODE)
#define _UNICODE
#endif //!_UNICODE
#endif //UNICODE
#include <scuOsExc.h>
#include "Uuid.h"
using namespace std;
/////////////////////////// HELPER /////////////////////////////////
typedef LPTSTR *SLB_PLPTSTR;
struct RpcString // to help manage deallocation
{
public:
RpcString()
: m_psz(0)
{};
~RpcString()
{
if (m_psz)
#if defined(UNICODE)
RpcStringFree((SLB_PLPTSTR)&m_psz);
#else
RpcStringFree(&m_psz);
#endif
};
unsigned char *m_psz;
};
/////////////////////////// PUBLIC /////////////////////////////////
// Types
// C'tors/D'tors
Uuid::Uuid(bool fNilValued)
{
RPC_STATUS rpcstatus;
if (fNilValued)
rpcstatus = UuidCreateNil(&m_uuid);
else
{
rpcstatus = UuidCreate(&m_uuid);
if (RPC_S_UUID_LOCAL_ONLY == rpcstatus)
rpcstatus = RPC_S_OK;
}
if (RPC_S_OK != rpcstatus)
throw scu::OsException(rpcstatus);
}
Uuid::Uuid(basic_string<unsigned char> const &rusUuid)
{
RPC_STATUS rpcstatus =
#if defined(UNICODE)
UuidFromString((LPTSTR)rusUuid.c_str(), &m_uuid);
#else
UuidFromString(const_cast<unsigned char *>(rusUuid.c_str()), &m_uuid);
#endif
if (RPC_S_OK != rpcstatus)
throw scu::OsException(rpcstatus);
}
Uuid::Uuid(UUID const *puuid)
{
m_uuid = *puuid;
}
// Operators
Uuid::operator==(Uuid &ruuid)
{
RPC_STATUS rpcstatus;
int fResult = UuidEqual(&m_uuid, &ruuid.m_uuid, &rpcstatus);
if (RPC_S_OK != rpcstatus)
throw scu::OsException(rpcstatus);
return fResult;
}
// Operations
// Access
basic_string<unsigned char>
Uuid::AsUString()
{
RpcString rpcsUuid;
#if defined(UNICODE)
RPC_STATUS rpcstatus = UuidToString(&m_uuid, (SLB_PLPTSTR)&rpcsUuid.m_psz);
#else
RPC_STATUS rpcstatus = UuidToString(&m_uuid, &rpcsUuid.m_psz);
#endif
if (RPC_S_OK != rpcstatus)
throw scu::OsException(rpcstatus);
return basic_string<unsigned char>(rpcsUuid.m_psz);
}
unsigned short
Uuid::HashValue()
{
RPC_STATUS rpcstatus;
unsigned short usValue = UuidHash(&m_uuid, &rpcstatus);
if (RPC_S_OK != rpcstatus)
throw scu::OsException(rpcstatus);
return usValue;
}
// Predicates
bool
Uuid::IsNil()
{
RPC_STATUS rpcstatus;
int fResult = UuidIsNil(&m_uuid, &rpcstatus);
if (RPC_S_OK != rpcstatus)
throw scu::OsException(rpcstatus);
return fResult == TRUE;
}
/////////////////////////// PROTECTED /////////////////////////////////
// C'tors/D'tors
// Operators
// Operations
// Access
// Predicates
// Static Variables
/////////////////////////// PRIVATE /////////////////////////////////
// C'tors/D'tors
// Operators
// Operations
// Access
// Predicates
// Static Variables