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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
|
/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
/*
* Copyright (c) 2010 Collabora Ltd. <http://www.collabora.co.uk/>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "pygi-private.h"
#include <girepository.h>
/* Copied from glib */
static void
canonicalize_key (gchar *key)
{
gchar *p;
for (p = key; *p != 0; p++)
{
gchar c = *p;
if (c != '-' &&
(c < '0' || c > '9') &&
(c < 'A' || c > 'Z') &&
(c < 'a' || c > 'z'))
*p = '-';
}
}
static GIPropertyInfo *
_pygi_lookup_property_from_g_type (GType g_type, const gchar *attr_name)
{
GIRepository *repository;
GIBaseInfo *info;
gssize n_infos;
gssize i;
GType parent;
repository = g_irepository_get_default();
info = g_irepository_find_by_gtype (repository, g_type);
if (info == NULL) {
return NULL;
}
n_infos = g_object_info_get_n_properties ( (GIObjectInfo *) info);
for (i = 0; i < n_infos; i++) {
GIPropertyInfo *property_info;
property_info = g_object_info_get_property ( (GIObjectInfo *) info, i);
g_assert (info != NULL);
if (strcmp (attr_name, g_base_info_get_name (property_info)) == 0) {
g_base_info_unref (info);
return property_info;
}
g_base_info_unref (property_info);
}
g_base_info_unref (info);
parent = g_type_parent (g_type);
if (parent > 0)
return _pygi_lookup_property_from_g_type (parent, attr_name);
return NULL;
}
PyObject *
pygi_get_property_value_real (PyGObject *instance,
const gchar *attr_name)
{
GType g_type;
GIPropertyInfo *property_info = NULL;
char *property_name = g_strdup (attr_name);
GParamSpec *pspec = NULL;
GValue value = { 0, };
GIArgument arg = { 0, };
PyObject *py_value = NULL;
GITypeInfo *type_info = NULL;
GITransfer transfer;
canonicalize_key (property_name);
g_type = pyg_type_from_object ((PyObject *)instance);
property_info = _pygi_lookup_property_from_g_type (g_type, property_name);
if (property_info == NULL)
goto out;
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (instance->obj),
attr_name);
if (pspec == NULL)
goto out;
g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
g_object_get_property (instance->obj, attr_name, &value);
type_info = g_property_info_get_type (property_info);
transfer = g_property_info_get_ownership_transfer (property_info);
GITypeTag type_tag = g_type_info_get_tag (type_info);
switch (type_tag) {
case GI_TYPE_TAG_BOOLEAN:
arg.v_boolean = g_value_get_boolean (&value);
break;
case GI_TYPE_TAG_INT8:
case GI_TYPE_TAG_INT16:
case GI_TYPE_TAG_INT32:
case GI_TYPE_TAG_INT64:
arg.v_int = g_value_get_int (&value);
break;
case GI_TYPE_TAG_UINT8:
case GI_TYPE_TAG_UINT16:
case GI_TYPE_TAG_UINT32:
case GI_TYPE_TAG_UINT64:
arg.v_uint = g_value_get_uint (&value);
break;
case GI_TYPE_TAG_FLOAT:
arg.v_float = g_value_get_float (&value);
break;
case GI_TYPE_TAG_DOUBLE:
arg.v_double = g_value_get_double (&value);
break;
case GI_TYPE_TAG_GTYPE:
arg.v_size = g_value_get_uint (&value);
break;
case GI_TYPE_TAG_UTF8:
case GI_TYPE_TAG_FILENAME:
arg.v_string = g_value_dup_string (&value);
break;
case GI_TYPE_TAG_INTERFACE:
{
GIBaseInfo *info;
GIInfoType info_type;
GType type;
info = g_type_info_get_interface (type_info);
type = g_registered_type_info_get_g_type (info);
info_type = g_base_info_get_type (info);
switch (info_type) {
case GI_INFO_TYPE_ENUM:
arg.v_int32 = g_value_get_enum (&value);
break;
case GI_INFO_TYPE_INTERFACE:
case GI_INFO_TYPE_OBJECT:
arg.v_pointer = g_value_get_object (&value);
break;
case GI_INFO_TYPE_BOXED:
case GI_INFO_TYPE_STRUCT:
case GI_INFO_TYPE_UNION:
if (g_type_is_a (type, G_TYPE_BOXED)) {
arg.v_pointer = g_value_get_boxed (&value);
} else if (g_type_is_a (type, G_TYPE_POINTER)) {
arg.v_pointer = g_value_get_pointer (&value);
} else {
PyErr_Format (PyExc_NotImplementedError,
"Retrieving properties of type '%s' is not implemented",
g_type_name (type));
}
break;
default:
PyErr_Format (PyExc_NotImplementedError,
"Retrieving properties of type '%s' is not implemented",
g_type_name (type));
goto out;
}
break;
}
case GI_TYPE_TAG_GHASH:
arg.v_pointer = g_value_get_boxed (&value);
break;
case GI_TYPE_TAG_GLIST:
arg.v_pointer = g_value_get_pointer (&value);
break;
default:
PyErr_Format (PyExc_NotImplementedError,
"Retrieving properties of type %s is not implemented",
g_type_tag_to_string (g_type_info_get_tag (type_info)));
goto out;
}
py_value = _pygi_argument_to_object (&arg, type_info, transfer);
out:
g_free (property_name);
if (property_info != NULL)
g_base_info_unref (property_info);
if (type_info != NULL)
g_base_info_unref (type_info);
return py_value;
}
gint
pygi_set_property_value_real (PyGObject *instance,
const gchar *attr_name,
PyObject *py_value)
{
GType g_type;
GIPropertyInfo *property_info = NULL;
char *property_name = g_strdup (attr_name);
GITypeInfo *type_info = NULL;
GITypeTag type_tag;
GITransfer transfer;
GValue value = { 0, };
GIArgument arg = { 0, };
GParamSpec *pspec = NULL;
gint ret_value = -1;
canonicalize_key (property_name);
g_type = pyg_type_from_object ((PyObject *)instance);
property_info = _pygi_lookup_property_from_g_type (g_type, property_name);
if (property_info == NULL)
goto out;
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (instance->obj),
attr_name);
if (pspec == NULL)
goto out;
if (! (pspec->flags & G_PARAM_WRITABLE))
goto out;
type_info = g_property_info_get_type (property_info);
transfer = g_property_info_get_ownership_transfer (property_info);
arg = _pygi_argument_from_object (py_value, type_info, transfer);
g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
// FIXME: Lots of types still unhandled
type_tag = g_type_info_get_tag (type_info);
switch (type_tag) {
case GI_TYPE_TAG_INTERFACE:
{
GIBaseInfo *info;
GIInfoType info_type;
GType type;
info = g_type_info_get_interface (type_info);
type = g_registered_type_info_get_g_type (info);
info_type = g_base_info_get_type (info);
switch (info_type) {
case GI_INFO_TYPE_ENUM:
g_value_set_enum (&value, arg.v_int32);
break;
case GI_INFO_TYPE_INTERFACE:
case GI_INFO_TYPE_OBJECT:
g_value_set_object (&value, arg.v_pointer);
break;
case GI_INFO_TYPE_BOXED:
case GI_INFO_TYPE_STRUCT:
case GI_INFO_TYPE_UNION:
if (g_type_is_a (type, G_TYPE_BOXED)) {
g_value_set_boxed (&value, arg.v_pointer);
} else {
PyErr_Format (PyExc_NotImplementedError,
"Setting properties of type '%s' is not implemented",
g_type_name (type));
}
break;
default:
PyErr_Format (PyExc_NotImplementedError,
"Setting properties of type '%s' is not implemented",
g_type_name (type));
goto out;
}
break;
}
case GI_TYPE_TAG_BOOLEAN:
g_value_set_boolean (&value, arg.v_boolean);
break;
case GI_TYPE_TAG_INT8:
case GI_TYPE_TAG_INT16:
case GI_TYPE_TAG_INT32:
case GI_TYPE_TAG_INT64:
g_value_set_int (&value, arg.v_int);
break;
case GI_TYPE_TAG_UINT8:
case GI_TYPE_TAG_UINT16:
case GI_TYPE_TAG_UINT32:
case GI_TYPE_TAG_UINT64:
g_value_set_uint (&value, arg.v_uint);
break;
case GI_TYPE_TAG_FLOAT:
g_value_set_float (&value, arg.v_float);
break;
case GI_TYPE_TAG_DOUBLE:
g_value_set_double (&value, arg.v_double);
break;
case GI_TYPE_TAG_GTYPE:
g_value_set_uint (&value, arg.v_size);
break;
case GI_TYPE_TAG_UTF8:
case GI_TYPE_TAG_FILENAME:
g_value_set_string (&value, arg.v_string);
break;
case GI_TYPE_TAG_GHASH:
g_value_set_boxed (&value, arg.v_pointer);
break;
case GI_TYPE_TAG_GLIST:
g_value_set_pointer (&value, arg.v_pointer);
break;
default:
PyErr_Format (PyExc_NotImplementedError,
"Setting properties of type %s is not implemented",
g_type_tag_to_string (g_type_info_get_tag (type_info)));
goto out;
}
g_object_set_property (instance->obj, attr_name, &value);
ret_value = 0;
out:
g_free (property_name);
if (property_info != NULL)
g_base_info_unref (property_info);
if (type_info != NULL)
g_base_info_unref (type_info);
return ret_value;
}
|