Register the preload information class in the Python bindings.

5 files changed, 260 insertions, 1 deletions

diff --git a/plugins/pychrysalide/arch/context.c b/plugins/pychrysalide/arch/context.c
index ce1ef01..b1803a4 100644
--- a/plugins/pychrysalide/arch/context.c
+++ b/plugins/pychrysalide/arch/context.c
@@ -1,6 +1,6 @@
 
 /* Chrysalide - Outil d'analyse de fichiers binaires
- * context.c - équivalent Python du fichier "arch/context.h"
+ * context.c - équivalent Python du fichier "arch/context.c"
  *
  * Copyright (C) 2018 Cyrille Bagard
  *
@@ -39,6 +39,7 @@
 #include "../helpers.h"
 #include "../analysis/db/item.h"
 #include "../arch/vmpa.h"
+#include "../format/preload.h"
 
 
 
@@ -518,6 +519,9 @@ bool ensure_python_proc_context_is_registered(void)
 
         dict = PyModule_GetDict(module);
 
+        if (!ensure_python_preload_info_is_registered())
+            return false;
+
         if (!register_class_for_pygobject(dict, G_TYPE_PROC_CONTEXT, type, &PyGObject_Type))
             return false;
 
diff --git a/plugins/pychrysalide/format/Makefile.am b/plugins/pychrysalide/format/Makefile.am
index 2d691e7..337265d 100644
--- a/plugins/pychrysalide/format/Makefile.am
+++ b/plugins/pychrysalide/format/Makefile.am
@@ -8,6 +8,7 @@ libpychrysaformat_la_SOURCES =				\
 	format.h format.c						\
 	known.h known.c							\
 	module.h module.c						\
+	preload.h preload.c						\
 	strsym.h strsym.c						\
 	symbol.h symbol.c						\
 	symiter.h symiter.c
diff --git a/plugins/pychrysalide/format/module.c b/plugins/pychrysalide/format/module.c
index 52dc58b..62c15ed 100644
--- a/plugins/pychrysalide/format/module.c
+++ b/plugins/pychrysalide/format/module.c
@@ -32,6 +32,7 @@
 #include "flat.h"
 #include "format.h"
 #include "known.h"
+#include "preload.h"
 #include "strsym.h"
 #include "symbol.h"
 #include "symiter.h"
@@ -105,6 +106,7 @@ bool populate_format_module(void)
     if (result) result = ensure_python_flat_format_is_registered();
     if (result) result = ensure_python_known_format_is_registered();
     if (result) result = ensure_python_binary_format_is_registered();
+    if (result) result = ensure_python_preload_info_is_registered();
     if (result) result = ensure_python_string_symbol_is_registered();
     if (result) result = ensure_python_binary_symbol_is_registered();
     if (result) result = ensure_python_sym_iterator_is_registered();
diff --git a/plugins/pychrysalide/format/preload.c b/plugins/pychrysalide/format/preload.c
new file mode 100644
index 0000000..65e2ed0
--- /dev/null
+++ b/plugins/pychrysalide/format/preload.c
@@ -0,0 +1,207 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * preload.c - équivalent Python du fichier "format/preload.c"
+ *
+ * Copyright (C) 2023 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 "preload.h"
+
+
+#include <pygobject.h>
+
+
+#include <format/preload-int.h>
+
+
+#include "../access.h"
+#include "../helpers.h"
+
+
+
+CREATE_DYN_CONSTRUCTOR(preload_info, G_TYPE_PRELOAD_INFO);
+
+/* Initialise une instance sur la base du dérivé de GObject. */
+static int py_preload_info_init(PyObject *, PyObject *, PyObject *);
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = objet à initialiser (théoriquement).                  *
+*                args = arguments fournis à l'appel.                          *
+*                kwds = arguments de type key=val fournis.                    *
+*                                                                             *
+*  Description : Initialise une instance sur la base du dérivé de GObject.    *
+*                                                                             *
+*  Retour      : 0.                                                           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static int py_preload_info_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+    int ret;                                /* Bilan d'initialisation      */
+
+#define PRELOAD_INFO_DOC                                                \
+    "The PreloadInfo object stores all kinds of disassembling"          \
+    " information available from the analysis of a file format"         \
+    " itsself.\n"                                                       \
+    "\n"                                                                \
+    "Instances can be created using the following constructor:\n"       \
+    "\n"                                                                \
+    "    PreloadInfo()"
+
+    /* Initialisation d'un objet GLib */
+
+    ret = forward_pygobjet_init(self);
+    if (ret == -1) return -1;
+
+    return 0;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Fournit un accès à une définition de type à diffuser.        *
+*                                                                             *
+*  Retour      : Définition d'objet pour Python.                              *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+PyTypeObject *get_python_preload_info_type(void)
+{
+    static PyMethodDef py_preload_info_methods[] = {
+        { NULL }
+    };
+
+    static PyGetSetDef py_preload_info_getseters[] = {
+        { NULL }
+    };
+
+    static PyTypeObject py_preload_info_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.format.PreloadInfo",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+        .tp_doc         = PRELOAD_INFO_DOC,
+
+        .tp_methods     = py_preload_info_methods,
+        .tp_getset      = py_preload_info_getseters,
+
+        .tp_init        = py_preload_info_init,
+        .tp_new         = py_preload_info_new,
+
+    };
+
+    return &py_preload_info_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : module = module dont la définition est à compléter.          *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide.format.PreloadInfo'.   *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool ensure_python_preload_info_is_registered(void)
+{
+    PyTypeObject *type;                     /* Type Python 'ArchContext'   */
+    PyObject *module;                       /* Module à recompléter        */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_preload_info_type();
+
+    if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+    {
+        module = get_access_to_python_module("pychrysalide.format");
+
+        dict = PyModule_GetDict(module);
+
+        if (!register_class_for_pygobject(dict, G_TYPE_PRELOAD_INFO, type, &PyGObject_Type))
+            return false;
+
+    }
+
+    return true;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : arg = argument quelconque à tenter de convertir.             *
+*                dst = destination des valeurs récupérées en cas de succès.   *
+*                                                                             *
+*  Description : Tente de convertir en espace de préchargement.               *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_preload_info(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_preload_info_type());
+
+    switch (result)
+    {
+        case -1:
+            /* L'exception est déjà fixée par Python */
+            result = 0;
+            break;
+
+        case 0:
+            PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to disassembly context");
+            break;
+
+        case 1:
+            *((GPreloadInfo **)dst) = G_PRELOAD_INFO(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/pychrysalide/format/preload.h b/plugins/pychrysalide/format/preload.h
new file mode 100644
index 0000000..bf33e82
--- /dev/null
+++ b/plugins/pychrysalide/format/preload.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * preload.h - prototypes pour l'équivalent Python du fichier "format/preload.h"
+ *
+ * Copyright (C) 2023 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
+ */
+
+
+#ifndef _PLUGINS_PYCHRYSALIDE_FORMAT_PRELOAD_H
+#define _PLUGINS_PYCHRYSALIDE_FORMAT_PRELOAD_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_preload_info_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.format.PreloadInfo'. */
+bool ensure_python_preload_info_is_registered(void);
+
+/* Tente de convertir en espace de préchargement. */
+int convert_to_preload_info(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_FORMAT_PRELOAD_H */