Got access to external files thanks to new core functions.

4 files changed, 195 insertions, 4 deletions

diff --git a/src/core/Makefile.am b/src/core/Makefile.am
index 4dcf6e7..89dd345 100644
--- a/src/core/Makefile.am
+++ b/src/core/Makefile.am
@@ -10,6 +10,7 @@ libcore_la_SOURCES =					\
 	logs.h logs.c						\
 	nproc.h nproc.c						\
 	params.h params.c					\
+	paths.h paths.c						\
 	processors.h processors.c			\
 	queue.h queue.c
 
diff --git a/src/core/core.c b/src/core/core.c
index bc1a9dc..3f0d244 100644
--- a/src/core/core.c
+++ b/src/core/core.c
@@ -44,7 +44,6 @@
 #include "../common/io.h"
 #include "../common/xdg.h"
 #include "../glibext/linesegment.h"
-#include "../gtkext/support.h"
 
 
 
@@ -76,9 +75,6 @@ bool load_all_basic_components(void)
 
         srand(time(NULL) + getpid());
 
-        add_pixmap_directory(PIXMAPS_DIR);
-        add_pixmap_directory(PACKAGE_SOURCE_DIR G_DIR_SEPARATOR_S "pixmaps");
-
         cfgdir = get_xdg_config_dir("chrysalide" G_DIR_SEPARATOR_S "chrysalide");
         result &= (ensure_path_exists(cfgdir) == 0);
         free(cfgdir);
diff --git a/src/core/paths.c b/src/core/paths.c
new file mode 100644
index 0000000..13b9cbe
--- /dev/null
+++ b/src/core/paths.c
@@ -0,0 +1,157 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * paths.c - récupération de fichiers secondaires
+ *
+ * Copyright (C) 2018 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 Chrysalide.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "paths.h"
+
+
+#include <glib.h>
+#include <malloc.h>
+#include <stdio.h>
+#include <unistd.h>
+
+
+#include <config.h>
+
+
+
+/* Trouve le chemin d'accès complet à un fichier donné. */
+static char *find_file_in_directory(const char *, const char *);
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : dirname  = répertoire de travail à fouiller.                 *
+*                filename = nom de fichier seul comme indice.                 *
+*                                                                             *
+*  Description : Trouve le chemin d'accès complet à un fichier donné.         *
+*                                                                             *
+*  Retour      : Chemin trouvé à libérer de la mémoire ou NULL.               *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static char *find_file_in_directory(const char *dirname, const char *filename)
+{
+    char *result;                           /* Trouvaille à renvoyer       */
+    int ret;                                /* Bilan du test de présence   */
+
+    asprintf(&result, "%s%s%s", dirname, G_DIR_SEPARATOR_S, filename);
+
+    ret = access(result, F_OK);
+
+    if (ret != 0)
+    {
+        free(result);
+        result = NULL;
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : filename = nom de fichier seul comme indice.                 *
+*                                                                             *
+*  Description : Trouve le chemin d'accès complet à un fichier d'image.       *
+*                                                                             *
+*  Retour      : Chemin trouvé à libérer de la mémoire ou NULL.               *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+char *find_pixmap_file(const char *filename)
+{
+    char *result;                           /* Trouvaille à renvoyer       */
+
+    /**
+     * On privilégie si possible les sources fraiches.
+     */
+
+#ifndef DISCARD_LOCAL
+
+    result = find_file_in_directory(PACKAGE_SOURCE_DIR G_DIR_SEPARATOR_S "pixmaps", filename);
+
+#else
+
+    result = NULL;
+
+#endif
+
+    if (result == NULL)
+        result = find_file_in_directory(PIXMAPS_DIR, filename);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : pgname   = nom du greffon concerné.                          *
+*                filename = nom de fichier seul comme indice.                 *
+*                                                                             *
+*  Description : Trouve le chemin d'accès complet à un fichier de greffon.    *
+*                                                                             *
+*  Retour      : Chemin trouvé à libérer de la mémoire ou NULL.               *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+char *find_plugin_file(const char *pgname, const char *filename)
+{
+    char *result;                           /* Trouvaille à renvoyer       */
+#ifndef DISCARD_LOCAL
+    char *dirname;                          /* Répertoire à cibler         */
+#endif
+
+    /**
+     * On privilégie si possible les sources fraiches.
+     */
+
+#ifndef DISCARD_LOCAL
+
+    asprintf(&dirname, "%s%splugins%s%s%s%s",
+             PACKAGE_SOURCE_DIR, G_DIR_SEPARATOR_S, G_DIR_SEPARATOR_S, pgname, G_DIR_SEPARATOR_S, filename);
+
+    result = find_file_in_directory(dirname, filename);
+
+    free(dirname);
+
+#else
+
+    result = NULL;
+
+#endif
+
+    if (result == NULL)
+        result = find_file_in_directory(PLUGINS_DIR, filename);
+
+    return result;
+
+}
diff --git a/src/core/paths.h b/src/core/paths.h
new file mode 100644
index 0000000..c16a278
--- /dev/null
+++ b/src/core/paths.h
@@ -0,0 +1,37 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * paths.h - prototypes pour la récupération de fichiers secondaires
+ *
+ * Copyright (C) 2018 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 Chrysalide.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _CORE_PATHS_H
+#define _CORE_PATHS_H
+
+
+
+/* Trouve le chemin d'accès complet à un fichier d'image. */
+char *find_pixmap_file(const char *);
+
+/* Trouve le chemin d'accès complet à un fichier de greffon. */
+char *find_plugin_file(const char *, const char *);
+
+
+
+#endif  /* _CORE_PATHS_H */