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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
* GObject introspection: Registered Type implementation
*
* Copyright (C) 2005 Matthias Clasen
* Copyright (C) 2008,2009 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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.
*/
#include "config.h"
#include <string.h>
#include <glib.h>
#include <girepository/girepository.h>
#include "gibaseinfo-private.h"
#include "girepository-private.h"
#include "gitypelib-internal.h"
#include "giregisteredtypeinfo.h"
/**
* GIRegisteredTypeInfo:
*
* `GIRegisteredTypeInfo` represents an entity with a [type@GObject.Type]
* associated.
*
* Could be either a [class@GIRepository.EnumInfo],
* [class@GIRepository.InterfaceInfo], [class@GIRepository.ObjectInfo],
* [class@GIRepository.StructInfo] or a [class@GIRepository.UnionInfo].
*
* A registered type info struct has a name and a type function.
*
* To get the name call [method@GIRepository.RegisteredTypeInfo.get_type_name].
* Most users want to call [method@GIRepository.RegisteredTypeInfo.get_g_type]
* and don’t worry about the rest of the details.
*
* Since: 2.80
*/
/**
* gi_registered_type_info_get_type_name:
* @info: a #GIRegisteredTypeInfo
*
* Obtain the type name of the struct within the GObject type system.
*
* This type can be passed to [func@GObject.type_name] to get a
* [type@GObject.Type].
*
* Returns: (nullable): the type name, or `NULL` if unknown
* Since: 2.80
*/
const char *
gi_registered_type_info_get_type_name (GIRegisteredTypeInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
RegisteredTypeBlob *blob;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (GI_IS_REGISTERED_TYPE_INFO (info), NULL);
blob = (RegisteredTypeBlob *)&rinfo->typelib->data[rinfo->offset];
if (blob->gtype_name)
return gi_typelib_get_string (rinfo->typelib, blob->gtype_name);
return NULL;
}
/**
* gi_registered_type_info_get_type_init_function_name:
* @info: a #GIRegisteredTypeInfo
*
* Obtain the type init function for @info.
*
* The type init function is the function which will register the
* [type@GObject.Type] within the GObject type system. Usually this is not
* called by language bindings or applications — use
* [method@GIRepository.RegisteredTypeInfo.get_g_type] directly instead.
*
* Returns: (nullable): the symbol name of the type init function, suitable for
* passing into [method@GModule.Module.symbol], or `NULL` if unknown
* Since: 2.80
*/
const char *
gi_registered_type_info_get_type_init_function_name (GIRegisteredTypeInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
RegisteredTypeBlob *blob;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (GI_IS_REGISTERED_TYPE_INFO (info), NULL);
blob = (RegisteredTypeBlob *)&rinfo->typelib->data[rinfo->offset];
if (blob->gtype_init)
return gi_typelib_get_string (rinfo->typelib, blob->gtype_init);
return NULL;
}
/**
* gi_registered_type_info_get_g_type:
* @info: a #GIRegisteredTypeInfo
*
* Obtain the [type@GObject.Type] for this registered type.
*
* If there is no type information associated with @info, or the shared library
* which provides the `type_init` function for @info cannot be called, then
* `G_TYPE_NONE` is returned.
*
* Returns: the [type@GObject.Type], or `G_TYPE_NONE` if unknown
* Since: 2.80
*/
GType
gi_registered_type_info_get_g_type (GIRegisteredTypeInfo *info)
{
const char *type_init;
GType (* get_type_func) (void);
GIRealInfo *rinfo = (GIRealInfo*)info;
g_return_val_if_fail (info != NULL, G_TYPE_INVALID);
g_return_val_if_fail (GI_IS_REGISTERED_TYPE_INFO (info), G_TYPE_INVALID);
type_init = gi_registered_type_info_get_type_init_function_name (info);
if (type_init == NULL)
return G_TYPE_NONE;
else if (!strcmp (type_init, "intern"))
/* The special string "intern" is used for some types exposed by libgobject
(that therefore should be always available) */
return g_type_from_name (gi_registered_type_info_get_type_name (info));
get_type_func = NULL;
if (!gi_typelib_symbol (rinfo->typelib,
type_init,
(void**) &get_type_func))
return G_TYPE_NONE;
return (* get_type_func) ();
}
void
gi_registered_type_info_class_init (gpointer g_class,
gpointer class_data)
{
GIBaseInfoClass *info_class = g_class;
info_class->info_type = GI_INFO_TYPE_REGISTERED_TYPE;
}
|
