+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file guid.h
-** \brief Template Header
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === S T A R T =========================================================== */
-
-#ifndef __SYNFIG_GUID_H
-#define __SYNFIG_GUID_H
-
-/* === H E A D E R S ======================================================= */
-
-#include "string.h"
-#include <stdint.h>
-#include <cassert>
-
-/* === M A C R O S ========================================================= */
-
-/* === T Y P E D E F S ===================================================== */
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-namespace synfig {
-
-class GUID
-{
- union {
- struct {
- unsigned int a;
- unsigned int b;
- unsigned int c;
- unsigned int d;
- } u_32;
- struct {
- uint64_t a;
- uint64_t b;
- } u_64;
-
- } data;
-
-public:
- GUID()
- { make_unique(); }
- GUID(const GUID& x):data(x.data)
- { }
- GUID(const int i __attribute__ ((unused))){assert(!i); data.u_64.a=0;data.u_64.b=0;}
-
- GUID(const String& str);
-
- static GUID zero() { return GUID(0); }
- static GUID hasher(const String& str);
- static GUID hasher(int i);
-
- operator bool()const { return data.u_32.a||data.u_32.b||data.u_32.c||data.u_32.d; }
-
- uint64_t get_hi()const { return data.u_64.a; }
- uint64_t get_lo()const { return data.u_64.b; }
-
- uint64_t get_hi_hi()const { return data.u_32.a; }
- uint64_t get_hi_lo()const { return data.u_32.b; }
- uint64_t get_lo_hi()const { return data.u_32.c; }
- uint64_t get_lo_lo()const { return data.u_32.d; }
-
- void make_unique();
- String get_string()const;
-
- bool operator==(const GUID& rhs)const
- { return data.u_64.a==rhs.data.u_64.a && data.u_64.b==rhs.data.u_64.b; }
- bool operator!=(const GUID& rhs)const
- { return data.u_64.a!=rhs.data.u_64.a || data.u_64.b!=rhs.data.u_64.b; }
- bool operator<(const GUID& rhs)const
- { return (data.u_64.a==rhs.data.u_64.a)?(data.u_64.b<rhs.data.u_64.b):(data.u_64.a<rhs.data.u_64.a); }
- bool operator>(const GUID& rhs)const
- { return (data.u_64.a==rhs.data.u_64.a)?(data.u_64.b>rhs.data.u_64.b):(data.u_64.a>rhs.data.u_64.a); }
- bool operator<=(const GUID& rhs)const
- { return operator<(rhs) || operator==(rhs); }
- bool operator>=(const GUID& rhs)const
- { return operator>(rhs) || operator==(rhs); }
-
- //! Operator '^' (xor)
- /*! If A ^ B == C, then C ^ B == A and B ^ A == C.
- ** Also keep in mind that A ^ A == 0 and A ^ B ^ B = A. */
- GUID& operator^=(const GUID& rhs)
- {
- data.u_32.a^=rhs.data.u_32.a;
- data.u_32.b^=rhs.data.u_32.b;
- data.u_32.c^=rhs.data.u_32.c;
- data.u_32.d^=rhs.data.u_32.d;
- return *this;
- }
- GUID operator^(const GUID& rhs)const { return GUID(*this)^=rhs; }
-
- //! Operator '%' (alt-xor)
- /*! A % B != B % A. */
- GUID& operator%=(const GUID& rhs)
- {
- data.u_32.a^=rhs.data.u_32.b;
- data.u_32.b^=rhs.data.u_32.c;
- data.u_32.c^=rhs.data.u_32.d;
- data.u_32.d^=rhs.data.u_32.a;
- return *this;
- }
- GUID operator%(const GUID& rhs)const { return GUID(*this)%=rhs; }
-
-};
-
-class GUIDHash
-{
-public:
- size_t operator()(const GUID& guid)const
- {
- return
- guid.get_hi_hi()+
- guid.get_hi_lo()+
- guid.get_lo_hi()+
- guid.get_lo_lo();
- }
-};
-
-};
-
-/* === E N D =============================================================== */
-
-#endif