X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=libs%2Fpbd%2Fid.cc;h=24cf02ab2ea6f2a0d9591355cb04e2d452a969d4;hb=e3329000557015ce54691235769db8821e75666b;hp=57ddb5b1282d2a54a3e40e1bfb41b2fda013d8fa;hpb=8b46567e0677eb25c965ed46b80da8808fa33b2b;p=ardour.git diff --git a/libs/pbd/id.cc b/libs/pbd/id.cc index 57ddb5b128..24cf02ab2e 100644 --- a/libs/pbd/id.cc +++ b/libs/pbd/id.cc @@ -1,17 +1,54 @@ +/* + 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 -#include +#include -#include -#include +#ifndef __STDC_FORMAT_MACROS +#define __STDC_FORMAT_MACROS +#endif +#include -#include +#include "pbd/id.h" +#include using namespace std; using namespace PBD; +Glib::Threads::Mutex* ID::counter_lock = 0; +uint64_t ID::_counter = 0; + +void +ID::init () +{ + if (!counter_lock) + counter_lock = new Glib::Threads::Mutex; +} + ID::ID () { - uuid_generate (id); + reset (); +} + +ID::ID (const ID& other) +{ + _id = other._id; } ID::ID (string str) @@ -19,36 +56,36 @@ ID::ID (string str) string_assign (str); } +void +ID::reset () +{ + Glib::Threads::Mutex::Lock lm (*counter_lock); + _id = _counter++; +} + int ID::string_assign (string str) { - /* first check for old-style all-numeric ID's */ - - if (strcspn (str.c_str(), "0123456789") == 0) { - /* all chars are numeric. just render the existing ID into the space in - which we would otherwise store a UUID. - */ - - memset (id, ' ', sizeof (id)); - snprintf ((char*) id, sizeof (id), str.c_str()); - - } else { - - /* OK, its UUID, probably */ + return sscanf (str.c_str(), "%" PRIu64, &_id) != 0; +} - if (uuid_parse (str.c_str(), id)) { - /* XXX error */ - return -1; - } - } +void +ID::print (char* buf, uint32_t bufsize) const +{ + snprintf (buf, bufsize, "%" PRIu64, _id); +} - return 0; +string ID::to_s() const +{ + char buf[32]; // see print() + print(buf, sizeof (buf)); + return string(buf); } -void -ID::print (char* buf) const +bool +ID::operator== (const string& str) const { - uuid_unparse (id, buf); + return to_s() == str; } ID& @@ -58,17 +95,20 @@ ID::operator= (string str) return *this; } -bool -ID::operator== (const ID& other) const +ID& +ID::operator= (const ID& other) { - return memcmp (id, other.id, sizeof (id)) == 0; + if (&other != this) { + _id = other._id; + } + return *this; } ostream& -operator<< (ostream& ostr, const ID& id) +operator<< (ostream& ostr, const ID& _id) { - char buf[37]; - id.print (buf); + char buf[32]; + _id.print (buf, sizeof (buf)); ostr << buf; return ostr; }