rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 89 insertions, 0 deletions

diff --git a/libs/pbd/id.cc b/libs/pbd/id.cc
new file mode 100644
index 0000000000..642243a36a
--- /dev/null
+++ b/libs/pbd/id.cc
@@ -0,0 +1,89 @@
+/*
+    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 ()
+{
+	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);
+}
+
+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;
+}
+