1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/* GObject - GLib Type, Object, Parameter and Signal Library
* Copyright (C) 1997-1999, 2000-2001 Tim Janik and 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.
*
* gvalue.h: generic GValue functions
*/
#if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
#error "Only <glib-object.h> can be included directly."
#endif
#ifndef __G_VALUE_H__
#define __G_VALUE_H__
#include <gobject/gtype.h>
G_BEGIN_DECLS
/* --- type macros --- */
#define G_TYPE_IS_VALUE(type) (g_type_check_is_value_type (type))
#define G_IS_VALUE(value) (G_TYPE_CHECK_VALUE (value))
#define G_VALUE_TYPE(value) (((GValue*) (value))->g_type)
#define G_VALUE_TYPE_NAME(value) (g_type_name (G_VALUE_TYPE (value)))
#define G_VALUE_HOLDS(value,type) (G_TYPE_CHECK_VALUE_TYPE ((value), (type)))
/* --- typedefs & structures --- */
typedef void (*GValueTransform) (const GValue *src_value,
GValue *dest_value);
struct _GValue
{
/*< private >*/
GType g_type;
/* public for GTypeValueTable methods */
union {
gint v_int;
guint v_uint;
glong v_long;
gulong v_ulong;
gint64 v_int64;
guint64 v_uint64;
gfloat v_float;
gdouble v_double;
gpointer v_pointer;
} data[2];
};
/* --- prototypes --- */
GValue* g_value_init (GValue *value,
GType g_type);
void g_value_copy (const GValue *src_value,
GValue *dest_value);
GValue* g_value_reset (GValue *value);
void g_value_unset (GValue *value);
void g_value_set_instance (GValue *value,
gpointer instance);
/* --- private --- */
gboolean g_value_fits_pointer (const GValue *value);
gpointer g_value_peek_pointer (const GValue *value);
/* --- implementation details --- */
gboolean g_value_type_compatible (GType src_type,
GType dest_type);
gboolean g_value_type_transformable (GType src_type,
GType dest_type);
gboolean g_value_transform (const GValue *src_value,
GValue *dest_value);
void g_value_register_transform_func (GType src_type,
GType dest_type,
GValueTransform transform_func);
#define G_VALUE_NOCOPY_CONTENTS (1 << 27)
G_END_DECLS
#endif /* __G_VALUE_H__ */
|
