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/*
* vdr-scripting - A plugin for the Linux Video Disk Recorder
* Copyright (c) 2009 Tobias Grimm <vdr@e-tobi.net>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "RubyObjectTracker.h"
#ifdef DEBUG_RUBY_OBJECT_TRACKER
#include <iostream>
#endif
using namespace std;
TrackedRubyObject::TrackedRubyObject()
:_rubyObject(Qnil), _keepAlive(false)
{
}
TrackedRubyObject::TrackedRubyObject(VALUE rubyObject, bool keepAlive)
:_rubyObject(rubyObject), _keepAlive(keepAlive)
{
}
VALUE TrackedRubyObject::RubyObject()
{
return _rubyObject;
}
void TrackedRubyObject::KeepAlive(bool keepAlive)
{
_keepAlive = keepAlive;
}
void TrackedRubyObject::Mark()
{
if (_keepAlive)
{
#ifdef DEBUG_RUBY_OBJECT_TRACKER
cerr << "RubyObjectTracker::Mark(" << _rubyObject << ")" << endl;
#endif
rb_gc_mark(_rubyObject);
}
}
void RubyObjectTracker::Track(void* cppPointer, VALUE rubyObject)
{
#ifdef DEBUG_RUBY_OBJECT_TRACKER
cerr << "RubyObjectTracker::Track(" << rubyObject << ")" << endl;
#endif
_map[cppPointer] = TrackedRubyObject(rubyObject, false);
}
void RubyObjectTracker::Untrack(void* cppPointer)
{
#ifdef DEBUG_RUBY_OBJECT_TRACKER
map<void*, TrackedRubyObject>::iterator i = _map.find(cppPointer);
if (i != _map.end())
{
cerr << "RubyObjectTracker::Untrack(" << i->second.RubyObject() << ")" << endl;
}
#endif
_map.erase(cppPointer);
}
VALUE RubyObjectTracker::GetTrackedRubyObject(void* cppPointer)
{
if (_map.find(cppPointer) == _map.end())
{
return Qnil;
}
else
{
return _map.find(cppPointer)->second.RubyObject();
}
}
void RubyObjectTracker::KeepRubyObjectAlive(void* cppPointer)
{
map<void*, TrackedRubyObject>::iterator i = _map.find(cppPointer);
if (i != _map.end())
{
i->second.KeepAlive(true);
}
}
void RubyObjectTracker::MarkTrackedRubyObjects()
{
for ( map<void*, TrackedRubyObject>::iterator i = _map.begin() ; i != _map.end(); i++ )
{
i->second.Mark();
}
}
void RubyObjectTracker::MarkTrackedRubyObjects(void* self)
{
((RubyObjectTracker*) self)->MarkTrackedRubyObjects();
}
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