📄 gboxed.h
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/* GObject - GLib Type, Object, Parameter and Signal Library * Copyright (C) 2000-2001 Red Hat, Inc. * * This library 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 2 of the License, or (at your option) any later version. * * This library 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 library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. */#if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)#error "Only <glib-object.h> can be included directly."#endif#ifndef __G_BOXED_H__#define __G_BOXED_H__#include <gobject/gtype.h>G_BEGIN_DECLS/* --- type macros --- */#define G_TYPE_IS_BOXED(type) (G_TYPE_FUNDAMENTAL (type) == G_TYPE_BOXED)/** * G_VALUE_HOLDS_BOXED: * @value: a valid #GValue structure * * Checks whether the given #GValue can hold values derived from type %G_TYPE_BOXED. * * Returns: %TRUE on success. */#define G_VALUE_HOLDS_BOXED(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_BOXED))/* --- typedefs --- *//** * GBoxedCopyFunc: * @boxed: The boxed structure to be copied. * * This function is provided by the user and should produce a copy of the passed * in boxed structure. * * Returns: The newly created copy of the boxed structure. */typedef gpointer (*GBoxedCopyFunc) (gpointer boxed);/** * GBoxedFreeFunc: * @boxed: The boxed structure to be freed. * * This function is provided by the user and should free the boxed * structure passed. */typedef void (*GBoxedFreeFunc) (gpointer boxed);/* --- prototypes --- */gpointer g_boxed_copy (GType boxed_type, gconstpointer src_boxed);void g_boxed_free (GType boxed_type, gpointer boxed);void g_value_set_boxed (GValue *value, gconstpointer v_boxed);void g_value_set_static_boxed (GValue *value, gconstpointer v_boxed);gpointer g_value_get_boxed (const GValue *value);gpointer g_value_dup_boxed (const GValue *value);/* --- convenience --- */GType g_boxed_type_register_static (const gchar *name, GBoxedCopyFunc boxed_copy, GBoxedFreeFunc boxed_free);/* --- GLib boxed types --- *//** * G_TYPE_CLOSURE: * * The #GType for #GClosure. */#define G_TYPE_CLOSURE (g_closure_get_type ())/** * G_TYPE_VALUE: * * The type ID of the "GValue" type which is a boxed type, * used to pass around pointers to GValues. */#define G_TYPE_VALUE (g_value_get_type ())/** * G_TYPE_VALUE_ARRAY: * * The type ID of the "GValueArray" type which is a boxed type, * used to pass around pointers to GValueArrays. */#define G_TYPE_VALUE_ARRAY (g_value_array_get_type ())/** * G_TYPE_DATE: * * The #GType for #GDate. */#define G_TYPE_DATE (g_date_get_type ())/** * G_TYPE_STRV: * * The #GType for a boxed type holding a %NULL-terminated array of strings. * * The code fragments in the following example show the use of a property of * type #G_TYPE_STRV with g_object_class_install_property(), g_object_set() * and g_object_get(). * * |[ * g_object_class_install_property (object_class, * PROP_AUTHORS, * g_param_spec_boxed ("authors", * _("Authors"), * _("List of authors"), * G_TYPE_STRV, * G_PARAM_READWRITE)); * * * gchar *authors[] = { "Owen", "Tim", NULL }; * g_object_set (obj, "authors", authors, NULL); * * * gchar *writers[]; * g_object_get (obj, "authors", &writers, NULL); * // do something with writers * g_strfreev (writers); * ]| * * Since: 2.4 */#define G_TYPE_STRV (g_strv_get_type ())/** * G_TYPE_GSTRING: * * The #GType for #GString. */#define G_TYPE_GSTRING (g_gstring_get_type ())/** * G_TYPE_HASH_TABLE: * * The #GType for a boxed type holding a #GHashTable reference. * * Since: 2.10 */#define G_TYPE_HASH_TABLE (g_hash_table_get_type ())/** * G_TYPE_REGEX: * * The #GType for a boxed type holding a #GRegex reference. * * Since: 2.14 */#define G_TYPE_REGEX (g_regex_get_type ())void g_value_take_boxed (GValue *value, gconstpointer v_boxed);#ifndef G_DISABLE_DEPRECATEDvoid g_value_set_boxed_take_ownership (GValue *value, gconstpointer v_boxed);#endifGType g_closure_get_type (void) G_GNUC_CONST;GType g_value_get_type (void) G_GNUC_CONST;GType g_value_array_get_type (void) G_GNUC_CONST;GType g_date_get_type (void) G_GNUC_CONST;GType g_strv_get_type (void) G_GNUC_CONST;GType g_gstring_get_type (void) G_GNUC_CONST;GType g_hash_table_get_type (void) G_GNUC_CONST;GType g_regex_get_type (void) G_GNUC_CONST;/** * GStrv: * * A C representable type name for #G_TYPE_STRV. */typedef gchar** GStrv; G_END_DECLS#endif /* __G_BOXED_H__ */
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