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diff --git a/src/analysis/scan/exprs/setcounter.h b/src/analysis/scan/exprs/setcounter.h
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+++ b/src/analysis/scan/exprs/setcounter.h
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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * setcounter.h - prototypes pour le décompte global de correspondances locales
+ *
+ * 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_EXPRS_SETCOUNTER_H
+#define _ANALYSIS_SCAN_EXPRS_SETCOUNTER_H
+
+
+#include <glib-object.h>
+
+
+#include "../expr.h"
+#include "../pattern.h"
+
+
+
+#define G_TYPE_SCAN_SET_MATCH_COUNTER            g_scan_set_match_counter_get_type()
+#define G_SCAN_SET_MATCH_COUNTER(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_SET_MATCH_COUNTER, GScanSetMatchCounter))
+#define G_IS_SCAN_SET_MATCH_COUNTER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_SET_MATCH_COUNTER))
+#define G_SCAN_SET_MATCH_COUNTER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_SET_MATCH_COUNTER, GScanSetMatchCounterClass))
+#define G_IS_SCAN_SET_MATCH_COUNTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_SET_MATCH_COUNTER))
+#define G_SCAN_SET_MATCH_COUNTER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_SET_MATCH_COUNTER, GScanSetMatchCounterClass))
+
+
+/* Décompte global de correspondances locales (instance) */
+typedef struct _GScanSetMatchCounter GScanSetMatchCounter;
+
+/* Décompte global de correspondances locales (classe) */
+typedef struct _GScanSetMatchCounterClass GScanSetMatchCounterClass;
+
+
+/* Indique le type défini pour un décompte de résultats lors d'une recherche de motifs. */
+GType g_scan_set_match_counter_get_type(void);
+
+/* Met en place un décompte de correspondances obtenues. */
+GScanExpression *g_scan_set_match_counter_new_shared(const GSearchPattern ** const, size_t);
+
+/* Met en place un décompte de correspondances obtenues. */
+GScanExpression *g_scan_set_match_counter_new(GSearchPattern ** const, size_t);
+
+/* Ajoute de nouveaux motifs à un ensemble à décompter. */
+void g_scan_set_match_counter_add_extra_shared_patterns(GScanSetMatchCounter *, const GSearchPattern ** const, size_t);
+
+/* Ajoute de nouveaux motifs à un ensemble à décompter. */
+void g_scan_set_match_counter_add_and_ref_extra_patterns(GScanSetMatchCounter *, GSearchPattern ** const, size_t);
+
+/* Formes de volume de correspondances */
+typedef enum _ScanSetCounterType
+{
+    SSCT_NONE,                              /* Aucun motif avec résultats  */
+    SSCT_ANY,                               /* Au moins un motif trouvé    */
+    SSCT_ALL,                               /* Tous les motifs présents    */
+    SSCT_NUMBER,                            /* Au moins n motifs avec rés. */
+
+} ScanSetCounterType;
+
+/* Précise le volume de motifs avec correspondances à retrouver. */
+bool g_scan_set_match_counter_define_expected_matches(GScanSetMatchCounter *, ScanSetCounterType, size_t *);
+
+
+
+#endif  /* _ANALYSIS_SCAN_EXPRS_SETCOUNTER_H */