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Telegram/ThirdParty/nimf/libnimf/nimf-module.c

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+/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 2; tab-width: 2 -*-  */
+/*
+ * nimf-module.c
+ * This file is part of Nimf.
+ *
+ * Copyright (C) 2015-2019 Hodong Kim <cogniti@gmail.com>
+ *
+ * Nimf is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Nimf 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program;  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+#include "nimf-module-private.h"
+#include <gio/gio.h>
+
+G_DEFINE_TYPE (NimfModule, nimf_module, G_TYPE_TYPE_MODULE);
+
+NimfModule *
+nimf_module_new (const gchar *path)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+
+  g_return_val_if_fail (path != NULL, NULL);
+
+  NimfModule *module = g_object_new (NIMF_TYPE_MODULE, NULL);
+
+  module->path = g_strdup (path);
+
+  return module;
+}
+
+static gboolean
+nimf_module_load (GTypeModule *gmodule)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+
+  NimfModule *module = NIMF_MODULE (gmodule);
+  void  (* module_register_type) (GTypeModule *module);
+  GType (* module_get_type)      (void);
+
+  module->library = g_module_open (module->path, G_MODULE_BIND_LAZY |
+                                                 G_MODULE_BIND_LOCAL);
+
+  if (!module->library)
+  {
+    g_warning (G_STRLOC ": %s", g_module_error ());
+    return FALSE;
+  }
+
+  if (!g_module_symbol (module->library, "module_register_type",
+                        (gpointer *) &module_register_type) ||
+      !g_module_symbol (module->library, "module_get_type",
+                        (gpointer *) &module_get_type))
+  {
+    g_warning (G_STRLOC ": %s", g_module_error ());
+    g_module_close (module->library);
+
+    return FALSE;
+  }
+
+  module_register_type (gmodule);
+  module->type = module_get_type ();
+
+  return TRUE;
+}
+
+static void
+nimf_module_unload (GTypeModule *gmodule)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+
+  g_module_close (NIMF_MODULE (gmodule)->library);
+}
+
+static void
+nimf_module_init (NimfModule *module)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+}
+
+static void
+nimf_module_class_init (NimfModuleClass *class)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+
+  GTypeModuleClass *module_class = G_TYPE_MODULE_CLASS (class);
+
+  module_class->load   = nimf_module_load;
+  module_class->unload = nimf_module_unload;
+}