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diff --git a/src/analysis/scan/patterns/tokens/node.h b/src/analysis/scan/patterns/tokens/node.h
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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * node.h - prototypes pour la décomposition d'un motif de recherche en atomes assemblés
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _ANALYSIS_SCAN_PATTERNS_TOKENS_NODE_H
+#define _ANALYSIS_SCAN_PATTERNS_TOKENS_NODE_H
+
+
+#include <glib-object.h>
+#include <stdbool.h>
+
+
+#include "../backend.h"
+#include "../../context.h"
+#include "../../matches/pending.h"
+
+
+#define G_TYPE_SCAN_TOKEN_NODE            g_scan_token_node_get_type()
+#define G_SCAN_TOKEN_NODE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_TOKEN_NODE, GScanTokenNode))
+#define G_IS_SCAN_TOKEN_NODE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_TOKEN_NODE))
+#define G_SCAN_TOKEN_NODE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_TOKEN_NODE, GScanTokenNodeClass))
+#define G_IS_SCAN_TOKEN_NODE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_TOKEN_NODE))
+#define G_SCAN_TOKEN_NODE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_TOKEN_NODE, GScanTokenNodeClass))
+
+
+/* Décomposition d'un motif de recherche en atomes (instance) */
+typedef struct _GScanTokenNode GScanTokenNode;
+
+/* Décomposition d'un motif de recherche en atomes (classe) */
+typedef struct _GScanTokenNodeClass GScanTokenNodeClass;
+
+
+/* Indique le type défini pour un élément décomposant un motif d'octets à rechercher. */
+GType g_scan_token_node_get_type(void);
+
+
+// TODO
+// validate
+// force_plain_registration // set begin/end
+
+
+/* Inscrit la définition d'un motif dans un moteur de recherche. */
+bool g_scan_token_node_enroll(GScanTokenNode *, GScanContext *, GEngineBackend *, size_t);
+
+/* Mémorisation d'une souplesse dans les positions visées */
+typedef struct _node_search_offset_t
+{
+    phys_t min;                             /* Position minimale           */
+    phys_t max;                             /* Position maxnimale           */
+
+} node_search_offset_t;
+
+/* Transforme les correspondances locales en trouvailles. */
+void g_scan_token_node_check(const GScanTokenNode *, GScanContext *, GBinContent *, pending_matches_t *, const node_search_offset_t *);
+
+
+
+#endif  /* _ANALYSIS_SCAN_PATTERNS_TOKENS_NODE_H */