Create some modifiers and handle match properties inside ROST.

21 files changed, 2154 insertions, 4 deletions

diff --git a/plugins/pychrysalide/analysis/scan/Makefile.am b/plugins/pychrysalide/analysis/scan/Makefile.am
index 565ce82..32bf1e3 100644
--- a/plugins/pychrysalide/analysis/scan/Makefile.am
+++ b/plugins/pychrysalide/analysis/scan/Makefile.am
@@ -4,6 +4,7 @@ noinst_LTLIBRARIES = libpychrysaanalysisscan.la
 libpychrysaanalysisscan_la_SOURCES =		\
 	constants.h constants.c					\
 	context.h context.c						\
+	core.h core.c							\
 	expr.h expr.c							\
 	item.h item.c							\
 	module.h module.c						\
diff --git a/plugins/pychrysalide/analysis/scan/context.c b/plugins/pychrysalide/analysis/scan/context.c
index 524ec46..8f29457 100644
--- a/plugins/pychrysalide/analysis/scan/context.c
+++ b/plugins/pychrysalide/analysis/scan/context.c
@@ -44,9 +44,15 @@ CREATE_DYN_CONSTRUCTOR(scan_context, G_TYPE_SCAN_CONTEXT);
 /* Initialise une instance sur la base du dérivé de GObject. */
 static int py_scan_context_init(PyObject *, PyObject *, PyObject *);
 
+/* Note que la phase d'analyse de contenu est terminée. */
+static PyObject *py_scan_context_mark_scan_as_done(PyObject *, PyObject *);
+
 /* Indique si une correspondance globale a pu être établie. */
 static PyObject *py_scan_context_has_match_for_rule(PyObject *, PyObject *);
 
+/* Indique si la phase d'analyse de contenu est terminée. */
+static PyObject *py_scan_context_is_scan_done(PyObject *, void *);
+
 
 
 /******************************************************************************
@@ -95,6 +101,43 @@ static int py_scan_context_init(PyObject *self, PyObject *args, PyObject *kwds)
 *  Paramètres  : self = classe représentant un format.                        *
 *                args = arguments fournis à l'appel.                          *
 *                                                                             *
+*  Description : Note que la phase d'analyse de contenu est terminée.         *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_scan_context_mark_scan_as_done(PyObject *self, PyObject *args)
+{
+    PyObject *result;                       /* Contexte de suivi à renvoyer*/
+    GScanContext *context;                  /* Contexte de suivi d'analyse */
+
+#define SCAN_CONTEXT_MARK_SCAN_AS_DONE_METHOD PYTHON_METHOD_DEF \
+(                                                               \
+    mark_scan_as_done, "$self",                                 \
+    METH_NOARGS, py_scan_context,                               \
+    "Note that the analysis operations are finished."           \
+)
+
+    context = G_SCAN_CONTEXT(pygobject_get(self));
+
+    g_scan_context_mark_scan_as_done(context);
+
+    result = Py_None;
+    Py_INCREF(result);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = classe représentant un format.                        *
+*                args = arguments fournis à l'appel.                          *
+*                                                                             *
 *  Description : Indique si une correspondance globale a pu être établie.     *
 *                                                                             *
 *  Retour      : Bilan final d'une analyse (False par défaut).                *
@@ -140,6 +183,46 @@ static PyObject *py_scan_context_has_match_for_rule(PyObject *self, PyObject *ar
 
 /******************************************************************************
 *                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Indique si la phase d'analyse de contenu est terminée.       *
+*                                                                             *
+*  Retour      : True si la phase de scan est terminée, False sinon.          *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_scan_context_is_scan_done(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Instance Python à retourner */
+    GScanContext *context;                  /* Contexte de suivi d'analyse */
+    bool status;                            /* Bilan de consultation       */
+
+#define SCAN_CONTEXT_IS_SCAN_DONE_ATTRIB PYTHON_IS_DEF_FULL     \
+(                                                               \
+    scan_done, py_scan_context,                                 \
+    "Tell if the analysis operations are finished.\n"           \
+    "\n"                                                        \
+    "The result is a boolean: *True* if the scan is marked as"  \
+    " done, *False* otherwise."                                 \
+)
+
+    context = G_SCAN_CONTEXT(pygobject_get(self));
+
+    status = g_scan_context_is_scan_done(context);
+
+    result = status ? Py_True : Py_False;
+    Py_INCREF(result);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
 *  Paramètres  : -                                                            *
 *                                                                             *
 *  Description : Fournit un accès à une définition de type à diffuser.        *
@@ -153,11 +236,13 @@ static PyObject *py_scan_context_has_match_for_rule(PyObject *self, PyObject *ar
 PyTypeObject *get_python_scan_context_type(void)
 {
     static PyMethodDef py_scan_context_methods[] = {
+        SCAN_CONTEXT_MARK_SCAN_AS_DONE_METHOD,
         SCAN_CONTEXT_HAS_MATCH_FOR_RULE_METHOD,
         { NULL }
     };
 
     static PyGetSetDef py_scan_context_getseters[] = {
+        SCAN_CONTEXT_IS_SCAN_DONE_ATTRIB,
         { NULL }
     };
 
diff --git a/plugins/pychrysalide/analysis/scan/core.c b/plugins/pychrysalide/analysis/scan/core.c
new file mode 100644
index 0000000..f609f7d
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/core.c
@@ -0,0 +1,188 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * core.c - équivalent Python du fichier "analysis/scan/core.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 "core.h"
+
+
+#include <pygobject.h>
+
+
+#include <analysis/scan/core.h>
+
+
+#include "patterns/modifier.h"
+#include "../../access.h"
+#include "../../helpers.h"
+
+
+
+/* #include <malloc.h> */
+
+/* #include <i18n.h> */
+/* #include <arch/processor.h> */
+/* #include <core/processors.h> */
+
+/* #include "../core.h" */
+
+/* #include "../arch/processor.h" */
+
+
+
+/* Inscrit un modificateur dans la liste des disponibles. */
+static PyObject *py_scan_register_token_modifier(PyObject *, PyObject *);
+
+/* Fournit le modificateur correspondant à un nom. */
+static PyObject *py_scan_find_token_modifiers_for_name(PyObject *, PyObject *);
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = objet Python concerné par l'appel.                    *
+*                args = arguments fournis à l'appel.                          *
+*                                                                             *
+*  Description : Inscrit un modificateur dans la liste des disponibles.       *
+*                                                                             *
+*  Retour      : Bilan des enregistrements effectués : True si nouveauté.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_scan_register_token_modifier(PyObject *self, PyObject *args)
+{
+    PyObject *result;                       /* Bilan à retourner           */
+    PyObject *instance;                     /* Instance Python fournie     */
+    GScanTokenModifier *modifier;           /* Version native              */
+    int ret;                                /* Bilan de lecture des args.  */
+    bool status;                            /* Bilan d'un enregistrement   */
+
+#define SCAN_REGISTER_TOKEN_MODIFIER_METHOD PYTHON_METHOD_DEF           \
+(                                                                       \
+    register_token_modifier, "inst, /",                                 \
+    METH_VARARGS, py_scan,                                              \
+    "Register a token modifier for byte patterns to scan.\n"            \
+    "\n"                                                                \
+    "This instance will be used as singleton and has to be a"           \
+    " subclass of pychrysalide.analysis.scan.patterns.TokenModifier."   \
+)
+
+    ret = PyArg_ParseTuple(args, "O!", get_python_scan_token_modifier_type(), &instance);
+    if (!ret) return NULL;
+
+    modifier = G_SCAN_TOKEN_MODIFIER(pygobject_get(instance));
+
+    status = register_scan_token_modifier(modifier);
+
+    result = status ? Py_True : Py_False;
+    Py_INCREF(result);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = objet Python concerné par l'appel.                    *
+*                args = arguments fournis à l'appel.                          *
+*                                                                             *
+*  Description : Fournit le modificateur correspondant à un nom.              *
+*                                                                             *
+*  Retour      : Instance du modificateur identifié ou None.                  *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_scan_find_token_modifiers_for_name(PyObject *self, PyObject *args)
+{
+    PyObject *result;                       /* Bilan à retourner           */
+    const char *name;                       /* Nom d'appel à rechercher    */
+    int ret;                                /* Bilan de lecture des args.  */
+    GScanTokenModifier *modifier;           /* Instance mise en place      */
+
+#define SCAN_FIND_TOKEN_MODIFIERS_FOR_NAME_METHOD PYTHON_METHOD_DEF \
+(                                                                   \
+    find_token_modifiers_for_name, "name, /",                       \
+    METH_VARARGS, py_scan,                                          \
+    "Provide the registered instance of a pattern modifier linked"  \
+    " to a given *name* provided as a key string.\n"                \
+    "\n"                                                            \
+    "The returned instance is an object inherited from"             \
+    " pychrysalide.analysis.scan.patterns.TokenModifier or *None*"  \
+    " if no instance was found for the provided name."              \
+)
+
+    ret = PyArg_ParseTuple(args, "s", &name);
+    if (!ret) return NULL;
+
+    modifier = find_scan_token_modifiers_for_name(name);
+
+    if (modifier != NULL)
+    {
+        result = pygobject_new(G_OBJECT(modifier));
+        g_object_unref(G_OBJECT(modifier));
+    }
+    else
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Définit une extension du module 'scan' à compléter.          *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool populate_scan_module_with_core_methods(void)
+{
+    bool result;                            /* Bilan à retourner           */
+    PyObject *module;                       /* Module à recompléter        */
+
+    static PyMethodDef py_core_methods[] = {
+        SCAN_REGISTER_TOKEN_MODIFIER_METHOD,
+        SCAN_FIND_TOKEN_MODIFIERS_FOR_NAME_METHOD,
+        { NULL }
+    };
+
+    module = get_access_to_python_module("pychrysalide.analysis.scan");
+
+    result = register_python_module_methods(module, py_core_methods);
+
+    return result;
+
+}
diff --git a/plugins/pychrysalide/analysis/scan/core.h b/plugins/pychrysalide/analysis/scan/core.h
new file mode 100644
index 0000000..e283f91
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/core.h
@@ -0,0 +1,39 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * core.h - prototypes pour l'équivalent Python du fichier "analysis/scan/core.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_CORE_CORE_H
+#define _PLUGINS_PYCHRYSALIDE_CORE_CORE_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Définit une extension du module 'scan' à compléter. */
+bool populate_scan_module_with_core_methods(void);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_CORE_CORE_H */
diff --git a/plugins/pychrysalide/analysis/scan/module.c b/plugins/pychrysalide/analysis/scan/module.c
index d56e44a..ff19d92 100644
--- a/plugins/pychrysalide/analysis/scan/module.c
+++ b/plugins/pychrysalide/analysis/scan/module.c
@@ -29,6 +29,7 @@
 
 
 #include "context.h"
+#include "core.h"
 #include "expr.h"
 #include "item.h"
 #include "options.h"
@@ -110,6 +111,8 @@ bool populate_analysis_scan_module(void)
     if (result) result = ensure_python_scan_options_is_registered();
     if (result) result = ensure_python_scan_namespace_is_registered();
 
+    if (result) result = populate_scan_module_with_core_methods();
+
     if (result) result = populate_analysis_scan_patterns_module();
 
     assert(result);
diff --git a/plugins/pychrysalide/analysis/scan/options.c b/plugins/pychrysalide/analysis/scan/options.c
index 30c3f18..84c1784 100644
--- a/plugins/pychrysalide/analysis/scan/options.c
+++ b/plugins/pychrysalide/analysis/scan/options.c
@@ -46,6 +46,18 @@ static PyObject *py_scan_options_get_backend_for_data(PyObject *, void *);
 /* Sélectionne un type de moteur d'analyse pour données brutes. */
 static int py_scan_options_set_backend_for_data(PyObject *, PyObject *, void *);
 
+/* Impose le format JSON comme type de sortie. */
+static PyObject *py_scan_options_get_print_json(PyObject *, void *);
+
+/* Mémorise le format JSON comme type de sortie. */
+static int py_scan_options_set_print_json(PyObject *, PyObject *, void *);
+
+/* Indique un besoin d'affichage des correspondances finales. */
+static PyObject *py_scan_options_get_print_strings(PyObject *, void *);
+
+/* Mémorise un besoin d'affichage des correspondances finales. */
+static int py_scan_options_set_print_strings(PyObject *, PyObject *, void *);
+
 /* Indique un besoin de statistiques en fin de compilation. */
 static PyObject *py_scan_options_get_print_stats(PyObject *, void *);
 
@@ -161,6 +173,148 @@ static int py_scan_options_set_backend_for_data(PyObject *self, PyObject *value,
 *  Paramètres  : self    = classe représentant un format Axml.                *
 *                closure = adresse non utilisée ici.                          *
 *                                                                             *
+*  Description : Impose le format JSON comme type de sortie.                  *
+*                                                                             *
+*  Retour      : Etat de l'option visée à conservé.                           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_scan_options_get_print_json(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Liste éventuelle à renvoyer */
+    GScanOptions *options;                  /* Version native              */
+    bool state;                             /* Etat courant à consulter    */
+
+#define SCAN_OPTIONS_PRINT_JSON_ATTRIB PYTHON_GETSET_DEF_FULL   \
+(                                                               \
+    print_json, py_scan_options,                                \
+    "Define if the process summary is output into a JSON"       \
+    " format at the end of the scan or not."                    \
+)
+
+    options = G_SCAN_OPTIONS(pygobject_get(self));
+
+    state = g_scan_options_get_print_json(options);
+
+    result = state ? Py_True : Py_False;
+    Py_INCREF(result);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                value   = valeur fournie à intégrer ou prendre en compte.    *
+*                closure = adresse non utilisée ici.                          *
+*                                                                             *
+*  Description : Mémorise le format JSON comme type de sortie.                *
+*                                                                             *
+*  Retour      : Bilan de l'opération pour Python.                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static int py_scan_options_set_print_json(PyObject *self, PyObject *value, void *closure)
+{
+    bool state;                             /* Nouvel état à définir       */
+    GScanOptions *options;                  /* Version native              */
+
+    if (value != Py_True && value != Py_False)
+        return -1;
+
+    state = (value == Py_True);
+
+    options = G_SCAN_OPTIONS(pygobject_get(self));
+
+    g_scan_options_set_print_json(options, state);
+
+    return 0;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = classe représentant un format Axml.                *
+*                closure = adresse non utilisée ici.                          *
+*                                                                             *
+*  Description : Indique un besoin d'affichage des correspondances finales.   *
+*                                                                             *
+*  Retour      : Etat de l'option visée à conservé.                           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_scan_options_get_print_strings(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Liste éventuelle à renvoyer */
+    GScanOptions *options;                  /* Version native              */
+    bool state;                             /* Etat courant à consulter    */
+
+#define SCAN_OPTIONS_PRINT_STRINGS_ATTRIB PYTHON_GETSET_DEF_FULL    \
+(                                                                   \
+    print_strings, py_scan_options,                                 \
+    "Define if the matching patterns are printed with found"        \
+    " offset at the end of the scan or not."                        \
+)
+
+    options = G_SCAN_OPTIONS(pygobject_get(self));
+
+    state = g_scan_options_get_print_strings(options);
+
+    result = state ? Py_True : Py_False;
+    Py_INCREF(result);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                value   = valeur fournie à intégrer ou prendre en compte.    *
+*                closure = adresse non utilisée ici.                          *
+*                                                                             *
+*  Description : Mémorise un besoin d'affichage des correspondances finales.  *
+*                                                                             *
+*  Retour      : Bilan de l'opération pour Python.                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static int py_scan_options_set_print_strings(PyObject *self, PyObject *value, void *closure)
+{
+    bool state;                             /* Nouvel état à définir       */
+    GScanOptions *options;                  /* Version native              */
+
+    if (value != Py_True && value != Py_False)
+        return -1;
+
+    state = (value == Py_True);
+
+    options = G_SCAN_OPTIONS(pygobject_get(self));
+
+    g_scan_options_set_print_strings(options, state);
+
+    return 0;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = classe représentant un format Axml.                *
+*                closure = adresse non utilisée ici.                          *
+*                                                                             *
 *  Description : Indique un besoin de statistiques en fin de compilation.     *
 *                                                                             *
 *  Retour      : Etat de l'option visée à conservé.                           *
@@ -246,6 +400,8 @@ PyTypeObject *get_python_scan_options_type(void)
 
     static PyGetSetDef py_scan_options_getseters[] = {
         SCAN_OPTIONS_BACKEND_FOR_DATA_ATTRIB,
+        SCAN_OPTIONS_PRINT_JSON_ATTRIB,
+        SCAN_OPTIONS_PRINT_STRINGS_ATTRIB,
         SCAN_OPTIONS_PRINT_STATS_ATTRIB,
         { NULL }
     };
diff --git a/plugins/pychrysalide/analysis/scan/patterns/Makefile.am b/plugins/pychrysalide/analysis/scan/patterns/Makefile.am
index 612f34b..dd26fa5 100644
--- a/plugins/pychrysalide/analysis/scan/patterns/Makefile.am
+++ b/plugins/pychrysalide/analysis/scan/patterns/Makefile.am
@@ -3,13 +3,15 @@ noinst_LTLIBRARIES = libpychrysaanalysisscanpatterns.la
 
 libpychrysaanalysisscanpatterns_la_SOURCES = \
 	backend.h backend.c						\
+	modifier.h modifier.c					\
 	module.h module.c
 
 libpychrysaanalysisscanpatterns_la_LIBADD = \
-	backends/libpychrysaanalysisscanpatternsbackends.la
+	backends/libpychrysaanalysisscanpatternsbackends.la \
+	modifiers/libpychrysaanalysisscanpatternsmodifiers.la
 
-libpychrysaanalysisscanpatterns_la_CFLAGS = $(LIBPYTHON_CFLAGS) $(LIBPYGOBJECT_CFLAGS) $(TOOLKIT_CFLAGS) \
-	-I$(top_srcdir)/src -DNO_IMPORT_PYGOBJECT
+libpychrysaanalysisscanpatterns_la_CFLAGS = $(LIBPYTHON_INTERPRETER_CFLAGS) $(LIBPYGOBJECT_CFLAGS) \
+    $(TOOLKIT_CFLAGS) -I$(top_srcdir)/src -DNO_IMPORT_PYGOBJECT
 
 
 devdir = $(includedir)/chrysalide/$(subdir)
@@ -17,4 +19,4 @@ devdir = $(includedir)/chrysalide/$(subdir)
 dev_HEADERS = $(libpychrysaanalysisscanpatterns_la_SOURCES:%c=)
 
 
-SUBDIRS = backends
+SUBDIRS = backends modifiers
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifier.c b/plugins/pychrysalide/analysis/scan/patterns/modifier.c
new file mode 100644
index 0000000..4cae011
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifier.c
@@ -0,0 +1,324 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * modifier.c - équivalent Python du fichier "analysis/scan/modifier.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 "modifier.h"
+
+
+#include <pygobject.h>
+
+
+#include <analysis/scan/patterns/modifier-int.h>
+
+
+#include "../../../access.h"
+#include "../../../helpers.h"
+
+
+
+CREATE_DYN_ABSTRACT_CONSTRUCTOR(scan_token_modifier, G_TYPE_SCAN_TOKEN_MODIFIER, NULL);
+
+/* Initialise une instance sur la base du dérivé de GObject. */
+static int py_scan_token_modifier_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_scan_token_modifier_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+    int ret;                                /* Bilan de lecture des args.  */
+
+#define SCAN_TOKEN_MODIFIER_DOC                                     \
+    "An *TokenModifier* object is the root class of all modifiers"  \
+    " for byte patterns."
+
+    /* Initialisation d'un objet GLib */
+
+    ret = forward_pygobjet_init(self);
+    if (ret == -1) return -1;
+
+    return 0;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = tampon de données à consulter.                        *
+*                args = arguments fournis pour la conduite de l'opération.    *
+*                                                                             *
+*  Description : Transforme une séquence d'octets pour motif de recherche.    *
+*                                                                             *
+*  Retour      : Liste des nouvelle(s) séquence(s) d'octets obtenue(s).       *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_scan_token_modifier_transform(PyObject *self, PyObject *args)
+{
+    PyObject *result;                       /* Bilan à faire remonter      */
+    const char *data;                       /* Séquence d'octets à traiter */
+    Py_ssize_t len;                         /* Quantité de ces données     */
+    int ret;                                /* Bilan de lecture des args.  */
+    sized_binary_t src;                     /* Entrée au format adapté     */
+    GScanTokenModifier *modifier;           /* Version native de l'instance*/
+    sized_binary_t *dest;                   /* Liste des nouvelles chaînes */
+    size_t count;                           /* Taille de cette liste       */
+    bool status;                            /* Bilan de l'opération        */
+    size_t i;                               /* Boucle de parcours          */
+
+#define SCAN_TOKEN_MODIFIER_TRANSFORM_METHOD PYTHON_METHOD_DEF      \
+(                                                                   \
+    transform, "$self, data",                                       \
+    METH_VARARGS, py_scan_token_modifier,                           \
+    "Transform data from a byte pattern for an incoming scan.\n"    \
+    "\n"                                                            \
+    "The data has to be provided as bytes.\n"                       \
+    "\n"                                                            \
+    "The method returns a tuple of transformed data as bytes, or"   \
+    " *None* in case of error."                                     \
+)
+
+    ret = PyArg_ParseTuple(args, "s#", &data, &len);
+    if (!ret) return NULL;
+
+    src.data = (char *)data;
+    src.len = len;
+
+    modifier = G_SCAN_TOKEN_MODIFIER(pygobject_get(self));
+
+    status = g_scan_token_modifier_transform(modifier, &src, &dest, &count);
+
+    if (status)
+    {
+        result = PyTuple_New(count);
+
+        for (i = 0; i < count; i++)
+        {
+            PyTuple_SetItem(result, i, PyBytes_FromStringAndSize(dest[i].data, dest[i].len));
+            exit_szstr(&dest[i]);
+        }
+
+        free(dest);
+
+    }
+
+    else
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = classe représentant un composant nommé à manipuler.*
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit le désignation associée à un composant nommé.        *
+*                                                                             *
+*  Retour      : Description courante.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_scan_token_modifier_get_name(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Décompte à retourner        */
+    GScanTokenModifier *modifier;           /* Version native              */
+    char *name;                             /* Désignation à convertir     */
+
+#define SCAN_TOKEN_MODIFIER_NAME_ATTRIB PYTHON_GET_DEF_FULL \
+(                                                           \
+    name, py_scan_token_modifier,                           \
+    "Call name for the modifier.\n"                         \
+    "\n"                                                    \
+    "The result is a string."                               \
+)
+
+    modifier = G_SCAN_TOKEN_MODIFIER(pygobject_get(self));
+
+    name = g_scan_token_modifier_get_name(modifier);
+
+    if (name == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+    else
+    {
+        result = PyUnicode_FromString(name);
+        free(name);
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Fournit un accès à une définition de type à diffuser.        *
+*                                                                             *
+*  Retour      : Définition d'objet pour Python.                              *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+PyTypeObject *get_python_scan_token_modifier_type(void)
+{
+    static PyMethodDef py_scan_token_modifier_methods[] = {
+        SCAN_TOKEN_MODIFIER_TRANSFORM_METHOD,
+        { NULL }
+    };
+
+    static PyGetSetDef py_scan_token_modifier_getseters[] = {
+        SCAN_TOKEN_MODIFIER_NAME_ATTRIB,
+        { NULL }
+    };
+
+    static PyTypeObject py_scan_token_modifier_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.analysis.scan.patterns.TokenModifier",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT,
+
+        .tp_doc         = SCAN_TOKEN_MODIFIER_DOC,
+
+        .tp_methods     = py_scan_token_modifier_methods,
+        .tp_getset      = py_scan_token_modifier_getseters,
+
+        .tp_init        = py_scan_token_modifier_init,
+        .tp_new         = py_scan_token_modifier_new,
+
+    };
+
+    return &py_scan_token_modifier_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide....TokenModifier'.     *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool ensure_python_scan_token_modifier_is_registered(void)
+{
+    PyTypeObject *type;                     /* Type Python 'TokenModifier' */
+    PyObject *module;                       /* Module à recompléter        */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_scan_token_modifier_type();
+
+    if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+    {
+        module = get_access_to_python_module("pychrysalide.analysis.scan");
+
+        dict = PyModule_GetDict(module);
+
+        if (!register_class_for_pygobject(dict, G_TYPE_SCAN_TOKEN_MODIFIER, 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 transformation de séquence d'octets.   *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_scan_token_modifier(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_token_modifier_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 token modifier");
+            break;
+
+        case 1:
+            *((GScanTokenModifier **)dst) = G_SCAN_TOKEN_MODIFIER(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifier.h b/plugins/pychrysalide/analysis/scan/patterns/modifier.h
new file mode 100644
index 0000000..770b2c1
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifier.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * modifier.h - prototypes pour l'équivalent Python du fichier "analysis/scan/modifier.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_ANALYSIS_SCAN_MODIFIER_H
+#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_MODIFIER_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_scan_token_modifier_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.TokenModifier'. */
+bool ensure_python_scan_token_modifier_is_registered(void);
+
+/* Tente de convertir en transformation de séquence d'octets. */
+int convert_to_scan_token_modifier(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_MODIFIER_H */
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/Makefile.am b/plugins/pychrysalide/analysis/scan/patterns/modifiers/Makefile.am
new file mode 100644
index 0000000..baf7ed5
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/Makefile.am
@@ -0,0 +1,17 @@
+
+noinst_LTLIBRARIES = libpychrysaanalysisscanpatternsmodifiers.la
+
+libpychrysaanalysisscanpatternsmodifiers_la_SOURCES = \
+	hex.h hex.c								\
+	list.h list.c							\
+	module.h module.c						\
+	plain.h plain.c							\
+	rev.h rev.c
+
+libpychrysaanalysisscanpatternsmodifiers_la_CFLAGS = $(LIBPYTHON_CFLAGS) $(LIBPYGOBJECT_CFLAGS) $(TOOLKIT_CFLAGS) \
+	-I$(top_srcdir)/src -DNO_IMPORT_PYGOBJECT
+
+
+devdir = $(includedir)/chrysalide/$(subdir)
+
+dev_HEADERS = $(libpychrysaanalysisscanpatternsmodifiers_la_SOURCES:%c=)
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.c b/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.c
new file mode 100644
index 0000000..d0d1e1f
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.c
@@ -0,0 +1,211 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * hex.c - équivalent Python du fichier "analysis/scan/patterns/modifiers/hex.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 "hex.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <analysis/scan/patterns/modifiers/hex.h>
+
+
+#include "../modifier.h"
+#include "../../../../access.h"
+#include "../../../../helpers.h"
+
+
+
+CREATE_DYN_CONSTRUCTOR(scan_hex_modifier, G_TYPE_SCAN_HEX_MODIFIER);
+
+/* Initialise une instance sur la base du dérivé de GObject. */
+static int py_scan_hex_modifier_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_scan_hex_modifier_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+    int ret;                                /* Bilan de lecture des args.  */
+
+#define SCAN_HEX_MODIFIER_DOC                                               \
+    "The *HexModifier* class transforms a byte pattern into its"            \
+    " corresponding byte sequence in lower case."                           \
+    "\n"                                                                    \
+    "Instances can be created using the following constructor:\n"           \
+    "\n"                                                                    \
+    "    HexModifier()"
+
+    /* 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_scan_hex_modifier_type(void)
+{
+    static PyMethodDef py_scan_hex_modifier_methods[] = {
+        { NULL }
+    };
+
+    static PyGetSetDef py_scan_hex_modifier_getseters[] = {
+        { NULL }
+    };
+
+    static PyTypeObject py_scan_hex_modifier_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.analysis.scan.patterns.modifiers.HexModifier",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+        .tp_doc         = SCAN_HEX_MODIFIER_DOC,
+
+        .tp_methods     = py_scan_hex_modifier_methods,
+        .tp_getset      = py_scan_hex_modifier_getseters,
+
+        .tp_init        = py_scan_hex_modifier_init,
+        .tp_new         = py_scan_hex_modifier_new,
+
+    };
+
+    return &py_scan_hex_modifier_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide....HexModifier'.     *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool ensure_python_scan_hex_modifier_is_registered(void)
+{
+    PyTypeObject *type;                     /* Type Python 'HexModifier' */
+    PyObject *module;                       /* Module à recompléter        */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_scan_hex_modifier_type();
+
+    if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+    {
+        module = get_access_to_python_module("pychrysalide.analysis.scan.patterns.modifiers");
+
+        dict = PyModule_GetDict(module);
+
+        if (!ensure_python_scan_token_modifier_is_registered())
+            return false;
+
+        if (!register_class_for_pygobject(dict, G_TYPE_SCAN_HEX_MODIFIER, 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 transmission d'octets à l'identique.   *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_scan_hex_modifier(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_hex_modifier_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 hex modifier");
+            break;
+
+        case 1:
+            *((GScanHexModifier **)dst) = G_SCAN_HEX_MODIFIER(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.h b/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.h
new file mode 100644
index 0000000..5d70a01
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * hex.h - équivalent Python du fichier "analysis/scan/patterns/modifiers/hex.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_ANALYSIS_SCAN_PATTERNS_MODIFIERS_HEX_H
+#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_HEX_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_scan_hex_modifier_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.modifiers.HexModifier'. */
+bool ensure_python_scan_hex_modifier_is_registered(void);
+
+/* Tente de convertir en transmission d'octets à l'identique. */
+int convert_to_scan_hex_modifier(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_HEX_H */
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.c b/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.c
new file mode 100644
index 0000000..7c77d63
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.c
@@ -0,0 +1,320 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * list.c - équivalent Python du fichier "analysis/scan/patterns/modifiers/list.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 "list.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <analysis/scan/patterns/modifiers/list.h>
+
+
+#include "../modifier.h"
+#include "../../../../access.h"
+#include "../../../../helpers.h"
+
+
+
+CREATE_DYN_CONSTRUCTOR(scan_modifier_list, G_TYPE_SCAN_MODIFIER_LIST);
+
+/* Initialise une instance sur la base du dérivé de GObject. */
+static int py_scan_modifier_list_init(PyObject *, PyObject *, PyObject *);
+
+/* Intègre un nouveau transformateur dans une liste. */
+static PyObject *py_scan_modifier_list_add(PyObject *, PyObject *);
+
+/* Fournit les transformateurs associés à la liste. */
+static PyObject *py_scan_modifier_list_get_modifiers(PyObject *, void *);
+
+
+
+/******************************************************************************
+*                                                                             *
+*  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_scan_modifier_list_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+    int ret;                                /* Bilan de lecture des args.  */
+
+#define SCAN_MODIFIER_LIST_DOC                                              \
+    "The *ModifierList* class is a special modifier which groups a list of" \
+    " modifiers for byte patterns."                                         \
+    "\n"                                                                    \
+    "Instances can be created using the following constructor:\n"           \
+    "\n"                                                                    \
+    "    ModifierList()"                                                    \
+    "\n"                                                                    \
+    "The keyword for such a modifier is *(list)*."
+
+    /* Initialisation d'un objet GLib */
+
+    ret = forward_pygobjet_init(self);
+    if (ret == -1) return -1;
+
+    return 0;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = projet d'étude à manipuler.                           *
+*                args = arguments accompagnant l'appel.                       *
+*                                                                             *
+*  Description : Intègre un nouveau transformateur dans une liste.            *
+*                                                                             *
+*  Retour      : Bilan de l'ajout : False si un élément similaire est déjà là.*
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_scan_modifier_list_add(PyObject *self, PyObject *args)
+{
+    PyObject *result;                       /* Absence de retour Python    */
+    GScanTokenModifier *modifier;           /* Modificateur à intégrer     */
+    int ret;                                /* Bilan de lecture des args.  */
+    GScanModifierList *list;                /* Version GLib du type        */
+    bool status;                            /* Bilan de l'opération        */
+
+#define SCAN_MODIFIER_LIST_ADD_METHOD PYTHON_METHOD_DEF                     \
+(                                                                           \
+    add, "$self, modifier, /",                                              \
+    METH_VARARGS, py_scan_modifier_list,                                    \
+    "Add an extra modifier to the list.\n"                                  \
+    "\n"                                                                    \
+    "This *modifier* parameter has to be a"                                 \
+    " pychrysalide.analysis.scan.patterns.TokenModifier instance."          \
+    "\n"                                                                    \
+    "The function returns *True* if the provided modifier did not already"  \
+    " exist in the list, *False* otherwise."                                \
+)
+
+    ret = PyArg_ParseTuple(args, "O&", convert_to_scan_token_modifier, &modifier);
+    if (!ret) return NULL;
+
+    list = G_SCAN_MODIFIER_LIST(pygobject_get(self));
+
+    status = g_scan_modifier_list_add(list, modifier);
+
+    result = status ? Py_True : Py_False;
+    Py_INCREF(result);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit les transformateurs associés à la liste.             *
+*                                                                             *
+*  Retour      : Liste de modificateurs de séquence d'octets.                 *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_scan_modifier_list_get_modifiers(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GScanModifierList *list;                /* Version GLib du type        */
+    size_t count;                           /* Nombre de transformateurs   */
+    size_t i;                               /* Boucle de parcours          */
+    GScanTokenModifier *modifier;           /* Modificateur de la liste    */
+
+#define SCAN_MODIFIER_LIST_MODIFIERS_ATTRIB PYTHON_GET_DEF_FULL                             \
+(                                                                                           \
+    modifiers, py_scan_modifier_list,                                                       \
+    "List of all modifiers contained in a list.\n"                                          \
+    "\n"                                                                                    \
+    "The returned value is a tuple of pychrysalide.analysis.scan.patterns.TokenModifier"    \
+    " instances."                                                                           \
+)
+
+    list = G_SCAN_MODIFIER_LIST(pygobject_get(self));
+
+    count = g_scan_modifier_list_count(list);
+
+    result = PyTuple_New(count);
+
+    for (i = 0; i < count; i++)
+    {
+        modifier = g_scan_modifier_list_get(list, i);
+
+        PyTuple_SetItem(result, i, pygobject_new(G_OBJECT(modifier)));
+
+        g_object_unref(modifier);
+
+    }
+
+    return result;
+
+}
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Fournit un accès à une définition de type à diffuser.        *
+*                                                                             *
+*  Retour      : Définition d'objet pour Python.                              *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+PyTypeObject *get_python_scan_modifier_list_type(void)
+{
+    static PyMethodDef py_scan_modifier_list_methods[] = {
+        SCAN_MODIFIER_LIST_ADD_METHOD,
+        { NULL }
+    };
+
+    static PyGetSetDef py_scan_modifier_list_getseters[] = {
+        SCAN_MODIFIER_LIST_MODIFIERS_ATTRIB,
+        { NULL }
+    };
+
+    static PyTypeObject py_scan_modifier_list_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.analysis.scan.patterns.modifiers.ModifierList",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+        .tp_doc         = SCAN_MODIFIER_LIST_DOC,
+
+        .tp_methods     = py_scan_modifier_list_methods,
+        .tp_getset      = py_scan_modifier_list_getseters,
+
+        .tp_init        = py_scan_modifier_list_init,
+        .tp_new         = py_scan_modifier_list_new,
+
+    };
+
+    return &py_scan_modifier_list_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide....ModifierList'.      *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool ensure_python_scan_modifier_list_is_registered(void)
+{
+    PyTypeObject *type;                     /* Type Python 'ModifierList'  */
+    PyObject *module;                       /* Module à recompléter        */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_scan_modifier_list_type();
+
+    if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+    {
+        module = get_access_to_python_module("pychrysalide.analysis.scan.patterns.modifiers");
+
+        dict = PyModule_GetDict(module);
+
+        if (!ensure_python_scan_token_modifier_is_registered())
+            return false;
+
+        if (!register_class_for_pygobject(dict, G_TYPE_SCAN_MODIFIER_LIST, 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 liste de transormations d'octets.      *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_scan_modifier_list(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_modifier_list_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 modifier list");
+            break;
+
+        case 1:
+            *((GScanModifierList **)dst) = G_SCAN_MODIFIER_LIST(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.h b/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.h
new file mode 100644
index 0000000..133de8d
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * list.h - équivalent Python du fichier "analysis/scan/patterns/modifiers/list.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_ANALYSIS_SCAN_PATTERNS_MODIFIERS_LIST_H
+#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_LIST_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_scan_modifier_list_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.modifiers.ModifierList'. */
+bool ensure_python_scan_modifier_list_is_registered(void);
+
+/* Tente de convertir en liste de transormations d'octets. */
+int convert_to_scan_modifier_list(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_LIST_H */
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.c b/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.c
new file mode 100644
index 0000000..1e9bda7
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.c
@@ -0,0 +1,110 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * module.c - intégration du répertoire modifiers en tant que module
+ *
+ * Copyright (C) 2022 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 "module.h"
+
+
+#include <assert.h>
+
+
+#include "hex.h"
+#include "list.h"
+#include "plain.h"
+#include "rev.h"
+#include "../../../../helpers.h"
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : super = module dont la définition est à compléter.           *
+*                                                                             *
+*  Description : Ajoute le module 'analysis....modifiers' à un module Python. *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool add_analysis_scan_patterns_modifiers_module(PyObject *super)
+{
+    bool result;                            /* Bilan à retourner           */
+    PyObject *module;                       /* Sous-module mis en place    */
+
+#define PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_MODULE_DOC    \
+    "This module provide all the features useful for scanning"      \
+    " binary contents."
+
+    static PyModuleDef py_chrysalide_analysis_scan_patterns_modifiers_module = {
+
+        .m_base = PyModuleDef_HEAD_INIT,
+
+        .m_name = "pychrysalide.analysis.scan.patterns.modifiers",
+        .m_doc = PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_MODULE_DOC,
+
+        .m_size = -1,
+
+    };
+
+    module = build_python_module(super, &py_chrysalide_analysis_scan_patterns_modifiers_module);
+
+    result = (module != NULL);
+
+    if (!result)
+        Py_XDECREF(module);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Intègre les objets du module 'analysis...patterns.modifiers'.*
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool populate_analysis_scan_patterns_modifiers_module(void)
+{
+    bool result;                            /* Bilan à retourner           */
+
+    result = true;
+
+    if (result) result = ensure_python_scan_hex_modifier_is_registered();
+    if (result) result = ensure_python_scan_modifier_list_is_registered();
+    if (result) result = ensure_python_scan_plain_modifier_is_registered();
+    if (result) result = ensure_python_scan_reverse_modifier_is_registered();
+
+    assert(result);
+
+    return result;
+
+}
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.h b/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.h
new file mode 100644
index 0000000..8094efc
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.h
@@ -0,0 +1,42 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * module.h - prototypes pour l'intégration du répertoire modifiers en tant que module
+ *
+ * Copyright (C) 2022 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_ANALYSIS_SCAN_PATTERNS_MODIFIERS_MODULE_H
+#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_MODULE_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Ajoute le module 'analysis.scan.patterns.modifiers' à un module Python. */
+bool add_analysis_scan_patterns_modifiers_module(PyObject *);
+
+/* Intègre les objets du module 'analysis.scan.patterns.modifiers'. */
+bool populate_analysis_scan_patterns_modifiers_module(void);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_MODULE_H */
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.c b/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.c
new file mode 100644
index 0000000..7a260c1
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.c
@@ -0,0 +1,211 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * plain.c - équivalent Python du fichier "analysis/scan/patterns/modifiers/plain.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 "plain.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <analysis/scan/patterns/modifiers/plain.h>
+
+
+#include "../modifier.h"
+#include "../../../../access.h"
+#include "../../../../helpers.h"
+
+
+
+CREATE_DYN_CONSTRUCTOR(scan_plain_modifier, G_TYPE_SCAN_PLAIN_MODIFIER);
+
+/* Initialise une instance sur la base du dérivé de GObject. */
+static int py_scan_plain_modifier_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_scan_plain_modifier_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+    int ret;                                /* Bilan de lecture des args.  */
+
+#define SCAN_PLAIN_MODIFIER_DOC                                             \
+    "The *PlainModifier* class provide an transmision of a byte pattern"    \
+    " without any modification."                                            \
+    "\n"                                                                    \
+    "Instances can be created using the following constructor:\n"           \
+    "\n"                                                                    \
+    "    PlainModifier()"
+
+    /* 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_scan_plain_modifier_type(void)
+{
+    static PyMethodDef py_scan_plain_modifier_methods[] = {
+        { NULL }
+    };
+
+    static PyGetSetDef py_scan_plain_modifier_getseters[] = {
+        { NULL }
+    };
+
+    static PyTypeObject py_scan_plain_modifier_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.analysis.scan.patterns.modifiers.PlainModifier",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+        .tp_doc         = SCAN_PLAIN_MODIFIER_DOC,
+
+        .tp_methods     = py_scan_plain_modifier_methods,
+        .tp_getset      = py_scan_plain_modifier_getseters,
+
+        .tp_init        = py_scan_plain_modifier_init,
+        .tp_new         = py_scan_plain_modifier_new,
+
+    };
+
+    return &py_scan_plain_modifier_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide....PlainModifier'.     *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool ensure_python_scan_plain_modifier_is_registered(void)
+{
+    PyTypeObject *type;                     /* Type Python 'PlainModifier' */
+    PyObject *module;                       /* Module à recompléter        */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_scan_plain_modifier_type();
+
+    if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+    {
+        module = get_access_to_python_module("pychrysalide.analysis.scan.patterns.modifiers");
+
+        dict = PyModule_GetDict(module);
+
+        if (!ensure_python_scan_token_modifier_is_registered())
+            return false;
+
+        if (!register_class_for_pygobject(dict, G_TYPE_SCAN_PLAIN_MODIFIER, 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 transmission d'octets à l'identique.   *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_scan_plain_modifier(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_plain_modifier_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 plain modifier");
+            break;
+
+        case 1:
+            *((GScanPlainModifier **)dst) = G_SCAN_PLAIN_MODIFIER(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.h b/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.h
new file mode 100644
index 0000000..03949d8
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * plain.h - équivalent Python du fichier "analysis/scan/patterns/modifiers/plain.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_ANALYSIS_SCAN_PATTERNS_MODIFIERS_PLAIN_H
+#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_PLAIN_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_scan_plain_modifier_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.modifiers.PlainModifier'. */
+bool ensure_python_scan_plain_modifier_is_registered(void);
+
+/* Tente de convertir en transmission d'octets à l'identique. */
+int convert_to_scan_plain_modifier(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_PLAIN_H */
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.c b/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.c
new file mode 100644
index 0000000..6ee350c
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.c
@@ -0,0 +1,211 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * hex.c - équivalent Python du fichier "analysis/scan/patterns/modifiers/hex.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 "rev.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <analysis/scan/patterns/modifiers/rev.h>
+
+
+#include "../modifier.h"
+#include "../../../../access.h"
+#include "../../../../helpers.h"
+
+
+
+CREATE_DYN_CONSTRUCTOR(scan_reverse_modifier, G_TYPE_SCAN_REVERSE_MODIFIER);
+
+/* Initialise une instance sur la base du dérivé de GObject. */
+static int py_scan_reverse_modifier_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_scan_reverse_modifier_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+    int ret;                                /* Bilan de lecture des args.  */
+
+#define SCAN_HEX_MODIFIER_DOC                                               \
+    "The *ReverseModifier* class transforms a byte pattern by reversing"    \
+    " the order of each bytes."                                             \
+    "\n"                                                                    \
+    "Instances can be created using the following constructor:\n"           \
+    "\n"                                                                    \
+    "    ReverseModifier()"
+
+    /* 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_scan_reverse_modifier_type(void)
+{
+    static PyMethodDef py_scan_reverse_modifier_methods[] = {
+        { NULL }
+    };
+
+    static PyGetSetDef py_scan_reverse_modifier_getseters[] = {
+        { NULL }
+    };
+
+    static PyTypeObject py_scan_reverse_modifier_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.analysis.scan.patterns.modifiers.ReverseModifier",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+        .tp_doc         = SCAN_HEX_MODIFIER_DOC,
+
+        .tp_methods     = py_scan_reverse_modifier_methods,
+        .tp_getset      = py_scan_reverse_modifier_getseters,
+
+        .tp_init        = py_scan_reverse_modifier_init,
+        .tp_new         = py_scan_reverse_modifier_new,
+
+    };
+
+    return &py_scan_reverse_modifier_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide....ReverseModifier'.   *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool ensure_python_scan_reverse_modifier_is_registered(void)
+{
+    PyTypeObject *type;                     /* Type Python 'HexModifier' */
+    PyObject *module;                       /* Module à recompléter        */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_scan_reverse_modifier_type();
+
+    if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+    {
+        module = get_access_to_python_module("pychrysalide.analysis.scan.patterns.modifiers");
+
+        dict = PyModule_GetDict(module);
+
+        if (!ensure_python_scan_token_modifier_is_registered())
+            return false;
+
+        if (!register_class_for_pygobject(dict, G_TYPE_SCAN_REVERSE_MODIFIER, 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 transformation d'octets par inverse.   *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_scan_reverse_modifier(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_reverse_modifier_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 reverse modifier");
+            break;
+
+        case 1:
+            *((GScanReverseModifier **)dst) = G_SCAN_REVERSE_MODIFIER(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.h b/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.h
new file mode 100644
index 0000000..fe10e1e
--- /dev/null
+++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * rev.h - équivalent Python du fichier "analysis/scan/patterns/modifiers/rev.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_ANALYSIS_SCAN_PATTERNS_MODIFIERS_REV_H
+#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_REV_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_scan_reverse_modifier_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.modifiers.ReverseModifier'. */
+bool ensure_python_scan_reverse_modifier_is_registered(void);
+
+/* Tente de convertir en transformation d'octets par inverse. */
+int convert_to_scan_reverse_modifier(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_REV_H */
diff --git a/plugins/pychrysalide/analysis/scan/patterns/module.c b/plugins/pychrysalide/analysis/scan/patterns/module.c
index f8db49e..123b23a 100644
--- a/plugins/pychrysalide/analysis/scan/patterns/module.c
+++ b/plugins/pychrysalide/analysis/scan/patterns/module.c
@@ -29,7 +29,9 @@
 
 
 #include "backend.h"
+#include "modifier.h"
 #include "backends/module.h"
+#include "modifiers/module.h"
 #include "../../../helpers.h"
 
 
@@ -71,6 +73,7 @@ bool add_analysis_scan_patterns_module(PyObject *super)
     result = (module != NULL);
 
     if (result) result = add_analysis_scan_patterns_backends_module(module);
+    if (result) result = add_analysis_scan_patterns_modifiers_module(module);
 
     if (!result)
         Py_XDECREF(module);
@@ -99,8 +102,10 @@ bool populate_analysis_scan_patterns_module(void)
     result = true;
 
     if (result) result = ensure_python_engine_backend_is_registered();
+    if (result) result = ensure_python_scan_token_modifier_is_registered();
 
     if (result) result = populate_analysis_scan_patterns_backends_module();
+    if (result) result = populate_analysis_scan_patterns_modifiers_module();
 
     assert(result);