WIP - add extractor, generate snippet_data

node_modules/sharp/vendor/include/gsf/gsf-impl-utils.h

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+/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * gsf-impl-utils.h:
+ *
+ * Copyright (C) 2002-2006 Jody Goldberg (jody@gnome.org)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2.1 of the GNU Lesser General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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 Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
+ * USA
+ */
+
+#ifndef GSF_IMPL_UTILS_H
+#define GSF_IMPL_UTILS_H
+
+#include <gsf/gsf.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+/* We need to do this with a version check as this header gets installed.
+ *
+ * DEPRECATED in favour of G_PARAM_STATIC_STRINGS
+ **/
+#if GLIB_CHECK_VERSION(2,7,0)
+#define GSF_PARAM_STATIC (G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB)
+#else
+#define GSF_PARAM_STATIC 0
+#endif
+
+/*************************************************************************/
+
+#define	GSF_CLASS_FULL(name, prefix, base_init, base_finalize, \
+		       class_init, class_finalize, instance_init, parent_type, \
+		       abstract, interface_decl) \
+GType									\
+prefix ## _get_type (void)						\
+{									\
+	static GType type = 0;						\
+	if (G_UNLIKELY  (type == 0)) {					\
+		static GTypeInfo const object_info = {			\
+			sizeof (name ## Class),				\
+			(GBaseInitFunc) base_init,			\
+			(GBaseFinalizeFunc) base_finalize,		\
+			(GClassInitFunc) class_init,			\
+			(GClassFinalizeFunc) class_finalize,		\
+			NULL,	/* class_data */			\
+			sizeof (name),					\
+			0,	/* n_preallocs */			\
+			(GInstanceInitFunc) instance_init,		\
+			NULL						\
+		};							\
+		type = g_type_register_static (parent_type, #name,	\
+			&object_info, (GTypeFlags) abstract);		\
+		interface_decl						\
+	}								\
+	return type;							\
+}
+
+/**
+ * GSF_CLASS:
+ * @name: Name of the class.
+ * @prefix: Symbol prefix designating the namespace to be used for
+ * implementing the class.
+ * @class_init: Initialisation function of type #GClassInitFunc for the class.
+ * @instance_init: Initialisation function of type #GInstanceInitFunc
+ * for an instance of the class.
+ * @parent: Parent class to this class.
+ *
+ * Set up a GSF class.
+ *
+ */
+#define	GSF_CLASS(name, prefix, class_init, instance_init, parent) \
+	GSF_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \
+				instance_init, parent, 0, {})
+#define	GSF_CLASS_ABSTRACT(name, prefix, class_init, instance_init, parent) \
+	GSF_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \
+		       instance_init, parent, G_TYPE_FLAG_ABSTRACT, {})
+
+#define GSF_INTERFACE_FULL(type, init_func, iface_type) {	\
+	static GInterfaceInfo const iface = {			\
+		(GInterfaceInitFunc) init_func, NULL, NULL };	\
+	g_type_add_interface_static (type, iface_type, &iface);	\
+}
+
+#define GSF_INTERFACE(init_func, iface_type)			\
+	GSF_INTERFACE_FULL(type, init_func, iface_type)
+
+/*************************************************************************/
+
+#define	GSF_DYNAMIC_CLASS_FULL(name, prefix, base_init, base_finalize, \
+				   class_init,  class_finalize, instance_init, parent_type, \
+			       abstract, interface_decl) 		\
+static GType prefix ## _type; 						\
+									\
+GType prefix ## _get_type (void);					\
+void  prefix ## _register_type (GTypeModule *module);			\
+									\
+GType									\
+prefix ## _get_type (void)						\
+{									\
+	g_return_val_if_fail (prefix ## _type != 0, 0); 		\
+	return prefix ## _type;						\
+}									\
+void									\
+prefix ## _register_type (GTypeModule *module)				\
+{									\
+	GTypeInfo const type_info = {					\
+		sizeof (name ## Class),					\
+		(GBaseInitFunc) base_init,				\
+		(GBaseFinalizeFunc) base_finalize,			\
+		(GClassInitFunc) class_init,				\
+		(GClassFinalizeFunc) class_finalize,			\
+		NULL,	/* class_data */				\
+		sizeof (name),						\
+		0,	/* n_preallocs */				\
+		(GInstanceInitFunc) instance_init,			\
+		NULL							\
+	};								\
+	GType type;							\
+									\
+	g_return_if_fail (prefix ## _type == 0); 			\
+									\
+	prefix ## _type = type = g_type_module_register_type (module,	\
+		parent_type, #name, &type_info, (GTypeFlags) abstract);	\
+	interface_decl							\
+}
+
+#define	GSF_DYNAMIC_CLASS(name, prefix, class_init, instance_init, parent)	\
+	GSF_DYNAMIC_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, 	\
+				   instance_init, parent, 0, {})
+#define	GSF_DYNAMIC_CLASS_ABSTRACT(name, prefix, class_init, instance_init, parent) \
+	GSF_DYNAMIC_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, 	\
+		       instance_init, parent, G_TYPE_FLAG_ABSTRACT, {})
+
+#define GSF_DYNAMIC_INTERFACE_FULL(type, init_func, iface_type, module) {	\
+	GInterfaceInfo const iface = {						\
+		(GInterfaceInitFunc) init_func, NULL, NULL };			\
+	g_type_module_add_interface (module, type, iface_type, &iface);		\
+}
+
+#define GSF_DYNAMIC_INTERFACE(init_func, iface_type, module)			\
+	GSF_DYNAMIC_INTERFACE_FULL(type, init_func, iface_type, module)
+
+G_END_DECLS
+
+#endif /* GSF_IMPL_UTILS_H */