83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
/*
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* Copyright (C) 2006-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2006 Hans Fugal <hans@fugal.net>
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* Copyright (C) 2015-2016 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __pbd_id_h__
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#define __pbd_id_h__
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#include <stdint.h>
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#include <string>
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#include <glibmm/threads.h>
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#include "pbd/libpbd_visibility.h"
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namespace PBD {
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/** a unique ID to identify objects numerically */
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class LIBPBD_API ID {
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public:
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ID ();
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ID (std::string);
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ID (const ID&);
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ID (uint64_t);
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void reset ();
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bool operator== (const ID& other) const {
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return _id == other._id;
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}
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bool operator!= (const ID& other) const {
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return _id != other._id;
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}
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bool operator== (const std::string&) const;
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bool operator== (uint64_t n) const {
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return _id == n;
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}
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ID& operator= (std::string);
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ID& operator= (const ID&);
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bool operator< (const ID& other) const {
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return _id < other._id;
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}
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std::string to_s () const;
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static uint64_t counter() { return _counter; }
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static void init_counter (uint64_t val) { _counter = val; }
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static void init ();
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private:
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uint64_t _id;
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bool string_assign (std::string);
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static Glib::Threads::Mutex* counter_lock;
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static uint64_t _counter;
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};
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}
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LIBPBD_API std::ostream& operator<< (std::ostream& ostr, const PBD::ID&);
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#endif /* __pbd_id_h__ */
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