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livetrax/libs/pbd/id.cc

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/*
Copyright (C) 2000-2007 Paul Davis
This program 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 program 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <ostream>
#include <iostream>
#include <stdio.h>
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include <inttypes.h>
#include "pbd/id.h"
#include <string>
using namespace std;
using namespace PBD;
Glib::Mutex* ID::counter_lock = 0;
uint64_t ID::_counter = 0;
void
ID::init ()
{
if (!counter_lock)
counter_lock = new Glib::Mutex;
}
ID::ID ()
{
Glib::Mutex::Lock lm (*counter_lock);
_id = _counter++;
}
ID::ID (string str)
{
string_assign (str);
}
int
ID::string_assign (string str)
{
return sscanf (str.c_str(), "%" PRIu64, &_id) != 0;
}
void
ID::print (char* buf, uint32_t bufsize) const
{
snprintf (buf, bufsize, "%" PRIu64, _id);
}
string ID::to_s() const
{
char buf[32]; // see print()
print(buf, sizeof (buf));
return string(buf);
}
bool
ID::operator== (const string& str) const
{
return to_s() == str;
}
ID&
ID::operator= (string str)
{
string_assign (str);
return *this;
}
ostream&
operator<< (ostream& ostr, const ID& _id)
{
char buf[32];
_id.print (buf, sizeof (buf));
ostr << buf;
return ostr;
}