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/* OpenIDA - Outil d'analyse de fichiers binaires
 * py_log.c - intermédiaire du panneau de messages pour Python
 *
 * Copyright (C) 2009-2012 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 "py_log.h"

#include <structmember.h>


#include "../../src/gui/panels/log.h"


typedef struct {
    PyObject_HEAD
    PyObject *first;
    PyObject *last;
    int number;
} pylog;


#define _(str) str




/* Définit les constantes pour les types de message. */
bool pylog_define_constants(PyObject *);

/* Affiche un message dans le journal des messages système. */
PyObject *pylog_simple_message(PyObject *, PyObject *);




/******************************************************************************
*                                                                             *
*  Paramètres  : dict = dictionnaire à compléter.                             *
*                                                                             *
*  Description : Définit les constantes pour les types de message.            *
*                                                                             *
*  Retour      : -                                                            *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

bool pylog_define_constants(PyObject *dict)
{
    int ret;                                /* Bilan d'un ajout            */

    ret = PyDict_SetItemString(dict, "LMT_INFO", PyInt_FromLong(LMT_INFO));
    if (ret == -1) return false;

    ret = PyDict_SetItemString(dict, "LMT_BAD_BINARY", PyInt_FromLong(LMT_BAD_BINARY));
    if (ret == -1) return false;

    ret = PyDict_SetItemString(dict, "LMT_PROCESS", PyInt_FromLong(LMT_PROCESS));
    if (ret == -1) return false;

    return true;

}


/******************************************************************************
*                                                                             *
*  Paramètres  : self = classe assurant le lien avec l'éditeur de messages.   *
*                args = arguments fournis à l'appel.                          *
*                                                                             *
*  Description : Affiche un message dans le journal des messages système.     *
*                                                                             *
*  Retour      : Rien en équivalent Python.                                   *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

PyObject *pylog_simple_message(PyObject *self, PyObject *args)
{
    PyObject *result;                       /* Bilan à retourner           */
    LogMessageType type;                    /* Espèce du message           */
    const char *msg;                        /* Contenu du message          */

    if (!PyArg_ParseTuple(args, "is", &type, &msg))
        return NULL;

    switch (type)
    {
        case LMT_INFO:
        case LMT_BAD_BINARY:
        case LMT_PROCESS:
            log_simple_message(type, msg);
            result = Py_None;
            break;

        default:
            PyErr_SetString(PyExc_ValueError, 
                            _("Invalid type of message"));
            result = NULL;
            break;

    }

    return result;

}










static void
pylog_dealloc(pylog* self)
{
    Py_XDECREF(self->first);
    Py_XDECREF(self->last);


    //printf("dealloc\n");

#if PY_VERSION_HEX < 0x03000000
    self->ob_type->tp_free((PyObject*)self);
#else
    Py_TYPE(self)->tp_free((PyObject*)self);
#endif

    //printf("dealloc::end\n");

}

static PyObject *
pylog_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
    pylog *self;

    self = (pylog *)type->tp_alloc(type, 0);
    if (self != NULL) {
        self->first = PyString_FromString("");//PyUnicode_FromString("");
        if (self->first == NULL)
          {
            Py_DECREF(self);
            return NULL;
          }
        
        self->last = PyString_FromString("");//PyUnicode_FromString("");
        if (self->last == NULL)
          {
            Py_DECREF(self);
            return NULL;
          }

        self->number = 0;
    }

    return (PyObject *)self;
}

static int
pylog_init(pylog *self, PyObject *args, PyObject *kwds)
{
    PyObject *first=NULL, *last=NULL, *tmp;

    static char *kwlist[] = {"first", "last", "number", NULL};

    printf("pylog_init\n");

    if (! PyArg_ParseTupleAndKeywords(args, kwds, "|SSi", kwlist, 
                                      &first, &last, 
                                      &self->number))
        return -1; 

    if (first) {
        tmp = self->first;
        Py_INCREF(first);
        self->first = first;
        Py_DECREF(tmp);
    }

    if (last) {
        tmp = self->last;
        Py_INCREF(last);
        self->last = last;
        Py_DECREF(tmp);
    }

    return 0;
}

static PyMemberDef pylog_members[] = {
    {"number", T_INT, offsetof(pylog, number), 0,
     "noddy number"},
    {NULL}  /* Sentinel */
};










static PyObject *
pylog_name(pylog* self)
{
    static PyObject *format = NULL;
    PyObject *args, *result;

    if (format == NULL) {
        format = PyString_FromString("%s %s");//PyUnicode_FromString("%s %s");
        if (format == NULL)
            return NULL;
    }

    args = Py_BuildValue("OO", self->first, self->last);
    if (args == NULL)
        return NULL;

    result = PyUnicode_Format(format, args);
    Py_DECREF(args);
    
    return result;
}

static PyMethodDef pylog_methods[] = {
    {"name", (PyCFunction)pylog_name, METH_NOARGS,
     "Return the name, combining the first and last name"
    },
    { "log_simple_message", (PyCFunction)pylog_simple_message, METH_VARARGS | METH_STATIC,
     "Return the name, combining the first and last name"
    },
    {NULL}  /* Sentinel */
};


static PyTypeObject pylog_type = {

    PyObject_HEAD_INIT(NULL)

#if PY_VERSION_HEX < 0x03000000
    0,                         /*ob_size*/
#endif

    "noddy.pylog",             /* tp_name */
    sizeof(pylog),             /* tp_basicsize */
    0,                         /* tp_itemsize */
    (destructor)pylog_dealloc, /* tp_dealloc */
    0,                         /* tp_print */
    0,                         /* tp_getattr */
    0,                         /* tp_setattr */
    0,                         /* tp_reserved / tp_compare */
    0,                         /* tp_repr */
    0,                         /* tp_as_number */
    0,                         /* tp_as_sequence */
    0,                         /* tp_as_mapping */
    0,                         /* tp_hash  */
    0,                         /* tp_call */
    0,                         /* tp_str */
    0,                         /* tp_getattro */
    0,                         /* tp_setattro */
    0,                         /* tp_as_buffer */
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
    "pylog objects",           /* tp_doc */
    0,		               /* tp_traverse */
    0,		               /* tp_clear */
    0,		               /* tp_richcompare */
    0,		               /* tp_weaklistoffset */
    0,		               /* tp_iter */
    0,		               /* tp_iternext */
    pylog_methods,             /* tp_methods */
    pylog_members,             /* tp_members */
    0,                         /* tp_getset */
    0,                         /* tp_base */
    0,                         /* tp_dict */
    0,                         /* tp_descr_get */
    0,                         /* tp_descr_set */
    0,                         /* tp_dictoffset */
    (initproc)pylog_init,      /* tp_init */
    0,                         /* tp_alloc */
    pylog_new,                 /* tp_new */
};


/******************************************************************************
*                                                                             *
*  Paramètres  : module = module dont la définition est à compléter.          *
*                                                                             *
*  Description : Ajoute l'objet 'log' au module Python.                       *
*                                                                             *
*  Retour      : -                                                            *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

bool add_log_to_python_module(PyObject *module)
{
    int ret;                                /* Bilan d'un appel            */

    if (PyType_Ready(&pylog_type) < 0)
        return;

    printf("Adding log type\n");


    pylog_define_constants(pylog_type.tp_dict);




    Py_INCREF(&pylog_type);
    PyModule_AddObject(module, "logger", (PyObject *)&pylog_type);


    return true;    /* FIXME */


}