wxWidgets/include/wx/msw/ole/uuid.h
2003-08-09 12:38:21 +00:00

92 lines
2.9 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: ole/uuid.h
// Purpose: encapsulates an UUID with some added helper functions
// Author: Vadim Zeitlin
// Modified by:
// Created: 11.07.97
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
//
// Notes: you should link your project with RPCRT4.LIB!
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_OLEUUID_H
#define _WX_OLEUUID_H
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "uuid.h"
#endif
#include "wx/wxchar.h"
// ------------------------------------------------------------------
// UUID (Universally Unique IDentifier) definition
// ------------------------------------------------------------------
// ----- taken from RPC.H
#ifndef UUID_DEFINED // in some cases RPC.H will be already
#ifdef __WIN32__ // included, so avoid redefinition
typedef struct
{
unsigned long Data1;
unsigned short Data2;
unsigned short Data3;
unsigned char Data4[8];
} UUID; // UUID = GUID = CLSID = LIBID = IID
#else // WIN16
#error "Don't know about UUIDs on this platform"
#endif // WIN32
#endif // UUID_DEFINED
#ifndef GUID_DEFINED
typedef UUID GUID;
#define UUID_DEFINED // prevent redefinition
#endif // GUID_DEFINED
typedef unsigned char uchar;
// ------------------------------------------------------------------
// a class to store UUID and it's string representation
// ------------------------------------------------------------------
// uses RPC functions to create/convert Universally Unique Identifiers
class WXDLLEXPORT Uuid
{
private:
UUID m_uuid;
wxUChar *m_pszUuid; // this string is alloc'd and freed by RPC
wxChar *m_pszCForm; // this string is allocated in Set/Create
void UuidToCForm();
// function used to set initial state by all ctors
void Init() { m_pszUuid = NULL; m_pszCForm = NULL; }
public:
// ctors & dtor
Uuid() { Init(); }
Uuid(const wxChar *pc) { Init(); Set(pc); }
Uuid(const UUID &uuid) { Init(); Set(uuid); }
~Uuid();
// copy ctor and assignment operator needed for this class
Uuid(const Uuid& uuid);
Uuid& operator=(const Uuid& uuid);
// create a brand new UUID
void Create();
// set value of UUID
bool Set(const wxChar *pc); // from a string, returns true if ok
void Set(const UUID& uuid); // from another UUID (never fails)
// accessors
operator const UUID*() const { return &m_uuid; }
operator const wxChar*() const { return (wxChar *)(m_pszUuid); }
// return string representation of the UUID in the C form
// (as in DEFINE_GUID macro)
const wxChar *CForm() const { return m_pszCForm; }
};
#endif //_WX_OLEUUID_H