1 /* GObject - GLib Type, Object, Parameter and Signal Library
2 * Copyright (C) 1997-1999, 2000-2001 Tim Janik and Red Hat, Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General
15 * Public License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
17 * Boston, MA 02111-1307, USA.
19 * gvaluetypes.h: GLib default values
21 #if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
22 #error "Only <glib-object.h> can be included directly."
25 #ifndef __G_VALUETYPES_H__
26 #define __G_VALUETYPES_H__
28 #include <gobject/gvalue.h>
32 /* --- type macros --- */
35 * @value: a valid #GValue structure
37 * Checks whether the given #GValue can hold values of type %G_TYPE_CHAR.
39 * Returns: %TRUE on success.
41 #define G_VALUE_HOLDS_CHAR(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_CHAR))
43 * G_VALUE_HOLDS_UCHAR:
44 * @value: a valid #GValue structure
46 * Checks whether the given #GValue can hold values of type %G_TYPE_UCHAR.
48 * Returns: %TRUE on success.
50 #define G_VALUE_HOLDS_UCHAR(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_UCHAR))
52 * G_VALUE_HOLDS_BOOLEAN:
53 * @value: a valid #GValue structure
55 * Checks whether the given #GValue can hold values of type %G_TYPE_BOOLEAN.
57 * Returns: %TRUE on success.
59 #define G_VALUE_HOLDS_BOOLEAN(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_BOOLEAN))
62 * @value: a valid #GValue structure
64 * Checks whether the given #GValue can hold values of type %G_TYPE_INT.
66 * Returns: %TRUE on success.
68 #define G_VALUE_HOLDS_INT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_INT))
71 * @value: a valid #GValue structure
73 * Checks whether the given #GValue can hold values of type %G_TYPE_UINT.
75 * Returns: %TRUE on success.
77 #define G_VALUE_HOLDS_UINT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_UINT))
80 * @value: a valid #GValue structure
82 * Checks whether the given #GValue can hold values of type %G_TYPE_LONG.
84 * Returns: %TRUE on success.
86 #define G_VALUE_HOLDS_LONG(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_LONG))
88 * G_VALUE_HOLDS_ULONG:
89 * @value: a valid #GValue structure
91 * Checks whether the given #GValue can hold values of type %G_TYPE_ULONG.
93 * Returns: %TRUE on success.
95 #define G_VALUE_HOLDS_ULONG(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_ULONG))
97 * G_VALUE_HOLDS_INT64:
98 * @value: a valid #GValue structure
100 * Checks whether the given #GValue can hold values of type %G_TYPE_INT64.
102 * Returns: %TRUE on success.
104 #define G_VALUE_HOLDS_INT64(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_INT64))
106 * G_VALUE_HOLDS_UINT64:
107 * @value: a valid #GValue structure
109 * Checks whether the given #GValue can hold values of type %G_TYPE_UINT64.
111 * Returns: %TRUE on success.
113 #define G_VALUE_HOLDS_UINT64(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_UINT64))
115 * G_VALUE_HOLDS_FLOAT:
116 * @value: a valid #GValue structure
118 * Checks whether the given #GValue can hold values of type %G_TYPE_FLOAT.
120 * Returns: %TRUE on success.
122 #define G_VALUE_HOLDS_FLOAT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_FLOAT))
124 * G_VALUE_HOLDS_DOUBLE:
125 * @value: a valid #GValue structure
127 * Checks whether the given #GValue can hold values of type %G_TYPE_DOUBLE.
129 * Returns: %TRUE on success.
131 #define G_VALUE_HOLDS_DOUBLE(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_DOUBLE))
133 * G_VALUE_HOLDS_STRING:
134 * @value: a valid #GValue structure
136 * Checks whether the given #GValue can hold values of type %G_TYPE_STRING.
138 * Returns: %TRUE on success.
140 #define G_VALUE_HOLDS_STRING(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_STRING))
142 * G_VALUE_HOLDS_POINTER:
143 * @value: a valid #GValue structure
145 * Checks whether the given #GValue can hold values of type %G_TYPE_POINTER.
147 * Returns: %TRUE on success.
149 #define G_VALUE_HOLDS_POINTER(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_POINTER))
153 * The type for #GType.
155 #define G_TYPE_GTYPE (g_gtype_get_type())
157 * G_VALUE_HOLDS_GTYPE:
158 * @value: a valid #GValue structure
160 * Checks whether the given #GValue can hold values of type %G_TYPE_GTYPE.
163 * Returns: %TRUE on success.
165 #define G_VALUE_HOLDS_GTYPE(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_GTYPE))
167 * G_VALUE_HOLDS_VARIANT:
168 * @value: a valid #GValue structure
170 * Checks whether the given #GValue can hold values of type %G_TYPE_VARIANT.
172 * Returns: %TRUE on success.
176 #define G_VALUE_HOLDS_VARIANT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_VARIANT))
179 /* --- prototypes --- */
181 void g_value_set_char (GValue *value,
184 gchar g_value_get_char (const GValue *value);
185 void g_value_set_schar (GValue *value,
187 gint8 g_value_get_schar (const GValue *value);
188 void g_value_set_uchar (GValue *value,
190 guchar g_value_get_uchar (const GValue *value);
191 void g_value_set_boolean (GValue *value,
193 gboolean g_value_get_boolean (const GValue *value);
194 void g_value_set_int (GValue *value,
196 gint g_value_get_int (const GValue *value);
197 void g_value_set_uint (GValue *value,
199 guint g_value_get_uint (const GValue *value);
200 void g_value_set_long (GValue *value,
202 glong g_value_get_long (const GValue *value);
203 void g_value_set_ulong (GValue *value,
205 gulong g_value_get_ulong (const GValue *value);
206 void g_value_set_int64 (GValue *value,
208 gint64 g_value_get_int64 (const GValue *value);
209 void g_value_set_uint64 (GValue *value,
211 guint64 g_value_get_uint64 (const GValue *value);
212 void g_value_set_float (GValue *value,
214 gfloat g_value_get_float (const GValue *value);
215 void g_value_set_double (GValue *value,
217 gdouble g_value_get_double (const GValue *value);
218 void g_value_set_string (GValue *value,
219 const gchar *v_string);
220 void g_value_set_static_string (GValue *value,
221 const gchar *v_string);
222 const gchar * g_value_get_string (const GValue *value);
223 gchar* g_value_dup_string (const GValue *value);
224 void g_value_set_pointer (GValue *value,
226 gpointer g_value_get_pointer (const GValue *value);
227 GType g_gtype_get_type (void);
228 void g_value_set_gtype (GValue *value,
230 GType g_value_get_gtype (const GValue *value);
231 void g_value_set_variant (GValue *value,
233 void g_value_take_variant (GValue *value,
235 GVariant* g_value_get_variant (const GValue *value);
236 GVariant* g_value_dup_variant (const GValue *value);
239 /* Convenience for registering new pointer types */
240 GType g_pointer_type_register_static (const gchar *name);
242 /* debugging aid, describe value contents as string */
243 gchar* g_strdup_value_contents (const GValue *value);
246 void g_value_take_string (GValue *value,
248 GLIB_DEPRECATED_FOR(g_value_take_string)
249 void g_value_set_string_take_ownership (GValue *value,
253 /* humpf, need a C representable type name for G_TYPE_STRING */
257 * A C representable type name for #G_TYPE_STRING.
259 typedef gchar* gchararray;
264 #endif /* __G_VALUETYPES_H__ */