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/* tagmap.c
Python wrapper for librfxswf.
Part of the swftools package.
Copyright (c) 2003 Matthias Kramm <kramm@quiss.org>
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <Python.h>
#undef HAVE_STAT
#include "pyutils.h"
#include "tagmap.h"
typedef struct {
PyObject_HEAD
PyObject* obj2id;
PyObject* id2obj;
PyObject* objlist;
int currentID;
} TagMapObject;
//----------------------------------------------------------------------------
PyObject* tagmap_new()
{
PyObject* self = (PyObject*)PyObject_New(TagMapObject, &TagMapClass);
TagMapObject*tagmap = (TagMapObject*)self;
tagmap->obj2id = PyDict_New();
tagmap->id2obj = PyDict_New();
tagmap->objlist = PyList_New(0);
tagmap->currentID = 0; //IDs start at 1
/* mylog("+%08x(%d) tagmap_new %08x(%d) %08x(%d), %08x(%d)", (int)self, self->ob_refcnt,
tagmap->obj2id, tagmap->obj2id->ob_refcnt ,
tagmap->id2obj, tagmap->id2obj->ob_refcnt ,
tagmap->objlist, tagmap->objlist->ob_refcnt);*/
return self;
}
//----------------------------------------------------------------------------
int tagmap_obj2id(PyObject* self, PyObject* obj)
{
TagMapObject*tagmap = (TagMapObject*)self;
PyObject*id = PyDict_GetItem(tagmap->obj2id, obj);
if(id == 0)
return -1;
int _id = PyLong_AsLong(id);
return _id;
}
//----------------------------------------------------------------------------
PyObject* tagmap_id2obj(PyObject* self, int _id)
{
TagMapObject*tagmap = (TagMapObject*)self;
PyObject*id = PyLong_FromLong(_id);
PyObject*obj = PyDict_GetItem(tagmap->id2obj, id);
Py_DECREF(id);
return obj;
}
//----------------------------------------------------------------------------
int tagmap_getFreeID(PyObject*self)
{
TagMapObject*tagmap = (TagMapObject*)self;
int last = tagmap->currentID;
do {
tagmap->currentID++;
PyObject*id = PyLong_FromLong(tagmap->currentID);
PyObject*test = PyDict_GetItem(tagmap->id2obj,id);
Py_DECREF(id);
if(test == 0) {
PyErr_Clear();
mylog(" %08x(%d) tagmap_getFreeID -> %d", (int)self, self->ob_refcnt, tagmap->currentID);
return tagmap->currentID;
}
} while(last != tagmap->currentID);
mylog(" %08x(%d) tagmap_getFreeID -> -1", (int)self, self->ob_refcnt);
return -1;
}
//----------------------------------------------------------------------------
static void tagmap_add_mapping(PyObject*self, int id, PyObject* obj)
{
TagMapObject*tagmap = (TagMapObject*)self;
PyList_Append(tagmap->objlist, obj);//Py_INCREF(obj); done by PyList_Append
PyObject*id_obj = PyLong_FromLong(id);
PyDict_SetItem(tagmap->obj2id, obj, id_obj);//Py_INCREF(id_obj);Py_INCREF(obj); done by PyDict_SetItem
PyDict_SetItem(tagmap->id2obj, id_obj, obj);//Py_INCREF(id_obj);Py_INCREF(obj); done by PyDict_SetItem
Py_DECREF(id_obj);
}
//----------------------------------------------------------------------------
void tagmap_addMapping(PyObject*self, int id, PyObject* obj)
{
TagMapObject*tagmap = (TagMapObject*)self;
int id2 = tagmap_obj2id(self, obj);
if(id2>=0) {
assert(id==id2);
return;
}
tagmap_add_mapping(self, id, obj);
}
//----------------------------------------------------------------------------
int tagmap_add(PyObject* self, PyObject* obj)
{
TagMapObject*tagmap = (TagMapObject*)self;
int id = tagmap_obj2id(self, obj);
if(id>=0) {
mylog(" %08x(%d) tagmap_add %08x->%d (again)", (int)self, self->ob_refcnt, (int)obj, id);
return id;
}
id = tagmap_getFreeID(self);
tagmap_add_mapping(self, id, obj);
mylog(" %08x(%d) tagmap_add %08x->%d", (int)self, self->ob_refcnt, (int)obj, id);
return id;
}
//----------------------------------------------------------------------------
void tagmap_dealloc(PyObject* self)
{
TagMapObject*tagmap = (TagMapObject*)self;
mylog("-%08x(%d) tagmap_dealloc %08x(%d) %08x(%d), %08x(%d)", (int)self, self->ob_refcnt,
tagmap->obj2id, tagmap->obj2id->ob_refcnt ,
tagmap->id2obj, tagmap->id2obj->ob_refcnt ,
tagmap->objlist, tagmap->objlist->ob_refcnt);
Py_DECREF(tagmap->obj2id);
tagmap->obj2id = 0;
Py_DECREF(tagmap->id2obj);
tagmap->id2obj = 0;
Py_DECREF(tagmap->objlist);
tagmap->objlist = 0;
PyObject_Del(self);
}
//----------------------------------------------------------------------------
PyObject* tagmap_getObjectList(PyObject* self)
{
mylog(" %08x(%d) tagmap_getObjectList", (int)self, self->ob_refcnt);
TagMapObject*tagmap = (TagMapObject*)self;
return tagmap->objlist;
}
//----------------------------------------------------------------------------
PyTypeObject TagMapClass =
{
PyObject_HEAD_INIT(NULL)
0,
tp_name: "TagMap",
tp_basicsize: sizeof(TagMapObject),
tp_itemsize: 0,
tp_dealloc: tagmap_dealloc,
tp_print: 0,
tp_getattr: 0,
tp_setattr: 0,
};
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