/* OpenIDA - Outil d'analyse de fichiers binaires
 * format.c - équivalent Python du fichier "format/format.c"
 *
 * Copyright (C) 2012 Cyrille Bagard
 *
 *  This file is part of OpenIDA.
 *
 *  OpenIDA 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  OpenIDA 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 "format.h"


#include <pygobject.h>


#include <format/format.h>


#include "dex/dex.h"
#include "../quirks.h"



/* Crée un nouvel objet Python de type 'BinFormat'. */
static PyObject *py_binary_format_new(PyTypeObject *, PyObject *, PyObject *);

/* Recherche une position dans une routine selon une adresse. */
static PyObject *py_binary_format_resolve_relative_routine(PyObject *, PyObject *);



/******************************************************************************
*                                                                             *
*  Paramètres  : type = type de l'objet à instancier.                         *
*                args = arguments fournis à l'appel.                          *
*                kwds = arguments de type key=val fournis.                    *
*                                                                             *
*  Description : Crée un nouvel objet Python de type 'BinFormat'.             *
*                                                                             *
*  Retour      : Instance Python mise en place.                               *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

static PyObject *py_binary_format_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
    Py_RETURN_NONE;

}







/******************************************************************************
*                                                                             *
*  Paramètres  : self = classe représentant un binaire.                       *
*                args = arguments fournis à l'appel.                          *
*                                                                             *
*  Description : Recherche une position dans une routine selon une adresse.   *
*                                                                             *
*  Retour      : Tuple (nom, décallage) ou Py_None.                           *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

static PyObject *py_binary_format_resolve_relative_routine(PyObject *self, PyObject *args)
{
    PyObject *result;                       /* Tuple à retourner           */
    GBinFormat *format;                     /* Format à manipuler          */
    vmpa_t addr;                            /* Adresse demandée en visuel  */
    int ret;                                /* Bilan de lecture des args.  */
    bool found;                             /* Bilan de la résolution      */
    const char *label;                      /* Désignation de la trouvaille*/

    format = G_BIN_FORMAT(pygobject_get(self));

    ret = PyArg_ParseTuple(args, "K", &addr);
    if (!ret) Py_RETURN_NONE;

    found = g_binary_format_resolve_relative_routine(format, &label, &addr);
    if (!found) Py_RETURN_NONE;

    result = PyTuple_New(2);
    PyTuple_SetItem(result, 0, PyString_FromString(label));
    PyTuple_SetItem(result, 1, PyLong_FromLongLong(addr));

    return result;

}









/******************************************************************************
*                                                                             *
*  Paramètres  : module = module dont la définition est à compléter.          *
*                                                                             *
*  Description : Prend en charge l'objet 'pychrysalide.gui.panels.BinFormat'. *
*                                                                             *
*  Retour      : Bilan de l'opération.                                        *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

bool register_python_binary_format(PyObject *module)
{
    PyObject *parent_mod;                   /* Module Python-GObject       */
    int ret;                                /* Bilan d'un appel            */

    static PyMethodDef py_binary_format_methods[] = {
        {
            "resolve_relative_routine", (PyCFunction)py_binary_format_resolve_relative_routine,
            METH_VARARGS,
            "Search a position inside a routine by a given address."
        },
        { NULL }
    };

    static PyGetSetDef py_binary_format_getseters[] = {
        { NULL }
    };

    static PyTypeObject py_binary_format_type = {

        PyObject_HEAD_INIT(NULL)

        .tp_name        = "pychrysalide.format.BinFormat",
        .tp_basicsize   = sizeof(PyGObject),

        .tp_flags       = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,

        .tp_doc         = "PyChrysalide binary format",

        .tp_methods     = py_binary_format_methods,
        .tp_getset      = py_binary_format_getseters,
        .tp_new         = (newfunc)py_binary_format_new

    };

    parent_mod = PyImport_ImportModule("gobject");
    if (parent_mod == NULL) return false;

    py_binary_format_type.tp_base = (PyTypeObject *)PyObject_GetAttrString(parent_mod, "GObject");
    Py_DECREF(parent_mod);

    if (PyType_Ready(&py_binary_format_type) < 0)
        return false;

    Py_INCREF(&py_binary_format_type);
    ret = PyModule_AddObject(module, "BinFormat", (PyObject *)&py_binary_format_type);

    return (ret == 0);

}