/* Chrysalide - Outil d'analyse de fichiers binaires * known.c - équivalent Python du fichier "format/known.c" * * Copyright (C) 2019 Cyrille Bagard * * This file is part of Chrysalide. * * Chrysalide 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. * * Chrysalide 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 "known.h" #include #include #include "../access.h" #include "../helpers.h" /* Assure l'interprétation d'un format en différé. */ static PyObject *py_known_format_analyze(PyObject *, PyObject *); /* Indique la désignation interne du format. */ static PyObject *py_known_format_get_name(PyObject *, void *); /* Indique la désignation humaine du format. */ static PyObject *py_known_format_get_description(PyObject *, void *); /* Fournit une référence vers le contenu binaire analysé. */ static PyObject *py_known_format_get_content(PyObject *, void *); #define KNOWN_FORMAT_DOC \ "KnownFormat is a small class providing basic features for recognized formats." /****************************************************************************** * * * Paramètres : self = objet représentant un format connu. * * args = arguments fournis pour l'opération. * * * * Description : Assure l'interprétation d'un format en différé. * * * * Retour : Bilan de l'opération. * * * * Remarques : - * * * ******************************************************************************/ static PyObject *py_known_format_analyze(PyObject *self, PyObject *args) { PyObject *result; /* Bilan à retourner */ int ret; /* Bilan de lecture des args. */ GKnownFormat *format; /* Format connu manipulé */ bool status; /* Bilan de l'opération */ #define KNOWN_FORMAT_ANALYZE_METHOD PYTHON_METHOD_DEF \ ( \ analyze, "$self, /, gid, status", \ METH_VARARGS, py_known_format, \ "Start the analysis of the known format and return its status." \ ) ret = PyArg_ParseTuple(args, "");//|KO!", &gid, &status); if (!ret) return NULL; format = G_KNOWN_FORMAT(pygobject_get(self)); status = g_known_format_analyze(format, 0, NULL); result = status ? Py_True : Py_False; Py_INCREF(result); return result; } /****************************************************************************** * * * Paramètres : self = objet Python concerné par l'appel. * * closure = non utilisé ici. * * * * Description : Indique la désignation interne du format. * * * * Retour : Description du format. * * * * Remarques : - * * * ******************************************************************************/ static PyObject *py_known_format_get_name(PyObject *self, void *closure) { PyObject *result; /* Trouvailles à retourner */ GKnownFormat *format; /* Format de binaire manipulé */ const char *name; /* Description interne */ #define KNOWN_FORMAT_NAME_ATTRIB PYTHON_GET_DEF_FULL \ ( \ name, py_known_format, \ "Internal name of the known format." \ ) format = G_KNOWN_FORMAT(pygobject_get(self)); name = g_known_format_get_name(format); result = PyUnicode_FromString(name); return result; } /****************************************************************************** * * * Paramètres : self = objet Python concerné par l'appel. * * closure = non utilisé ici. * * * * Description : Indique la désignation humaine du format. * * * * Retour : Description du format. * * * * Remarques : - * * * ******************************************************************************/ static PyObject *py_known_format_get_description(PyObject *self, void *closure) { PyObject *result; /* Trouvailles à retourner */ GKnownFormat *format; /* Format de binaire manipulé */ const char *desc; /* Description humaine */ #define KNOWN_FORMAT_DESCRIPTION_ATTRIB PYTHON_GET_DEF_FULL \ ( \ description, py_known_format, \ "Human description of the known format." \ ) format = G_KNOWN_FORMAT(pygobject_get(self)); desc = g_known_format_get_description(format); result = PyUnicode_FromString(desc); return result; } /****************************************************************************** * * * Paramètres : self = objet Python concerné par l'appel. * * closure = non utilisé ici. * * * * Description : Fournit une référence vers le contenu binaire analysé. * * * * Retour : Gestionnaire de contenu binaire en place. * * * * Remarques : - * * * ******************************************************************************/ static PyObject *py_known_format_get_content(PyObject *self, void *closure) { PyObject *result; /* Trouvailles à retourner */ GKnownFormat *format; /* Format de binaire manipulé */ GBinContent *content; /* Instance GLib correspondante*/ #define KNOWN_FORMAT_CONTENT_ATTRIB PYTHON_GET_DEF_FULL \ ( \ content, py_known_format, \ "Binary content linked to the known format." \ ) format = G_KNOWN_FORMAT(pygobject_get(self)); content = g_known_format_get_content(format); result = pygobject_new(G_OBJECT(content)); g_object_unref(content); return result; } /****************************************************************************** * * * Paramètres : - * * * * Description : Fournit un accès à une définition de type à diffuser. * * * * Retour : Définition d'objet pour Python. * * * * Remarques : - * * * ******************************************************************************/ PyTypeObject *get_python_known_format_type(void) { static PyMethodDef py_known_format_methods[] = { KNOWN_FORMAT_ANALYZE_METHOD, { NULL } }; static PyGetSetDef py_known_format_getseters[] = { KNOWN_FORMAT_NAME_ATTRIB, KNOWN_FORMAT_DESCRIPTION_ATTRIB, KNOWN_FORMAT_CONTENT_ATTRIB, { NULL } }; static PyTypeObject py_known_format_type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "pychrysalide.format.KnownFormat", .tp_basicsize = sizeof(PyGObject), .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_IS_ABSTRACT | Py_TPFLAGS_BASETYPE, .tp_doc = KNOWN_FORMAT_DOC, .tp_methods = py_known_format_methods, .tp_getset = py_known_format_getseters }; return &py_known_format_type; } /****************************************************************************** * * * Paramètres : module = module dont la définition est à compléter. * * * * Description : Prend en charge l'objet 'pychrysalide.format.BinFormat'. * * * * Retour : Bilan de l'opération. * * * * Remarques : - * * * ******************************************************************************/ bool ensure_python_known_format_is_registered(void) { PyTypeObject *type; /* Type Python 'BinFormat' */ PyObject *module; /* Module à recompléter */ PyObject *dict; /* Dictionnaire du module */ type = get_python_known_format_type(); if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) { module = get_access_to_python_module("pychrysalide.format"); APPLY_ABSTRACT_FLAG(type); dict = PyModule_GetDict(module); if (!register_class_for_pygobject(dict, G_TYPE_KNOWN_FORMAT, type, &PyGObject_Type)) return false; } return true; }