-
Notifications
You must be signed in to change notification settings - Fork 115
/
asc-globals.c
516 lines (457 loc) · 13.5 KB
/
asc-globals.c
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
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2016-2024 Matthias Klumpp <matthias@tenstral.net>
*
* Licensed under the GNU Lesser General Public License Version 2.1
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
/**
* SECTION:asc-globals
* @short_description: Set and read a bunch of global settings used across appstream-compose
* @include: appstream-compose.h
*/
#include "config.h"
#include "asc-globals-private.h"
#include "as-utils-private.h"
#include "as-validator-issue-tag.h"
#include "asc-resources.h"
#define ASC_TYPE_GLOBALS (asc_globals_get_type ())
G_DECLARE_DERIVABLE_TYPE (AscGlobals, asc_globals, ASC, GLOBALS, GObject)
struct _AscGlobalsClass {
GObjectClass parent_class;
};
typedef struct {
gboolean use_optipng;
gchar *optipng_bin;
gchar *ffprobe_bin;
gchar *tmp_dir;
GMutex pangrams_mutex;
GPtrArray *pangrams_en;
GMutex hint_tags_mutex;
GHashTable *hint_tags;
} AscGlobalsPrivate;
G_DEFINE_TYPE_WITH_PRIVATE (AscGlobals, asc_globals, G_TYPE_OBJECT)
#define GET_PRIVATE(o) (asc_globals_get_instance_private (o))
static AscGlobals *g_globals = NULL;
static GMutex g_globals_mutex;
/**
* asc_compose_error_quark:
*
* Return value: An error quark.
**/
GQuark
asc_compose_error_quark (void)
{
static GQuark quark = 0;
if (!quark)
quark = g_quark_from_static_string ("AscComposeError");
return quark;
}
static GObject *
asc_globals_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&g_globals_mutex);
if (g_globals != NULL)
return G_OBJECT (g_globals);
else
return G_OBJECT_CLASS (asc_globals_parent_class)
->constructor (type, n_construct_properties, construct_properties);
}
static void
asc_globals_finalize (GObject *object)
{
AscGlobals *globals = ASC_GLOBALS (object);
AscGlobalsPrivate *priv = GET_PRIVATE (globals);
g_free (priv->tmp_dir);
g_free (priv->optipng_bin);
g_free (priv->ffprobe_bin);
g_mutex_clear (&priv->pangrams_mutex);
if (priv->pangrams_en != NULL)
g_ptr_array_unref (priv->pangrams_en);
g_mutex_clear (&priv->hint_tags_mutex);
if (priv->hint_tags != NULL)
g_hash_table_unref (priv->hint_tags);
G_OBJECT_CLASS (asc_globals_parent_class)->finalize (object);
}
static void
asc_globals_init (AscGlobals *globals)
{
AscGlobalsPrivate *priv = GET_PRIVATE (globals);
g_autofree gchar *tmp_str1 = NULL;
g_autofree gchar *tmp_str2 = NULL;
g_assert (g_globals == NULL);
g_globals = globals;
tmp_str1 = as_random_alnum_string (6);
tmp_str2 = g_strconcat ("as-compose_", tmp_str1, NULL);
priv->tmp_dir = g_build_filename (g_get_tmp_dir (), tmp_str2, NULL);
priv->optipng_bin = g_find_program_in_path ("optipng");
if (priv->optipng_bin != NULL)
priv->use_optipng = TRUE;
priv->ffprobe_bin = g_find_program_in_path ("ffprobe");
g_mutex_init (&priv->hint_tags_mutex);
g_mutex_init (&priv->pangrams_mutex);
}
static void
asc_globals_class_init (AscGlobalsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructor = asc_globals_constructor;
object_class->finalize = asc_globals_finalize;
}
static AscGlobalsPrivate *
asc_globals_get_priv (void)
{
return GET_PRIVATE (g_object_new (ASC_TYPE_GLOBALS, NULL));
}
/**
* asc_globals_clear:
*
* Clear all global state and restore defaults.
*/
void
asc_globals_clear (void)
{
g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&g_globals_mutex);
if (g_globals == NULL)
return;
g_object_unref (g_globals);
g_globals = NULL;
}
/**
* asc_globals_get_tmp_dir:
*
* Get temporary directory used by appstream-compose.
**/
const gchar *
asc_globals_get_tmp_dir (void)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
return priv->tmp_dir;
}
/**
* asc_globals_get_tmp_dir_create:
*
* Get temporary directory used by appstream-compose
* and try to create it if it does not exist.
**/
const gchar *
asc_globals_get_tmp_dir_create (void)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
g_mkdir_with_parents (priv->tmp_dir, 0700);
return priv->tmp_dir;
}
/**
* asc_globals_set_tmp_dir:
*
* Set temporary directory used by appstream-compose.
**/
void
asc_globals_set_tmp_dir (const gchar *path)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
g_free (priv->tmp_dir);
priv->tmp_dir = g_strdup (path);
}
/**
* asc_globals_get_use_optipng:
*
* Get whether images should be optimized using optipng.
**/
gboolean
asc_globals_get_use_optipng (void)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
return priv->use_optipng;
}
/**
* asc_globals_set_use_optipng:
*
* Set whether images should be optimized using optipng.
**/
void
asc_globals_set_use_optipng (gboolean enabled)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
if (enabled && priv->optipng_bin == NULL) {
g_critical ("Refusing to enable optipng: not found in $PATH");
priv->use_optipng = FALSE;
return;
}
priv->use_optipng = enabled;
}
/**
* asc_globals_get_optipng_binary:
*
* Get path to the "optipng" binary we should use.
**/
const gchar *
asc_globals_get_optipng_binary (void)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
return priv->optipng_bin;
}
/**
* asc_globals_set_optipng_binary:
*
* Set path to the "optipng" binary we should use.
**/
void
asc_globals_set_optipng_binary (const gchar *path)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
g_free (priv->optipng_bin);
priv->optipng_bin = g_strdup (path);
if (priv->optipng_bin == NULL)
priv->use_optipng = FALSE;
}
/**
* asc_globals_get_ffprobe_binary:
*
* Get path to the "ffprobe" binary we should use.
**/
const gchar *
asc_globals_get_ffprobe_binary (void)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
return priv->ffprobe_bin;
}
/**
* asc_globals_set_ffprobe_binary:
*
* Set path to the "ffprobe" binary we should use.
**/
void
asc_globals_set_ffprobe_binary (const gchar *path)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
g_free (priv->ffprobe_bin);
priv->ffprobe_bin = g_strdup (path);
}
/**
* asc_globals_get_pangrams_for:
*
* Obtain a list of pangrams for the given language, currently
* only "en" is supported.
*
* Returns: (transfer none) (element-type utf8): List of pangrams.
*/
GPtrArray *
asc_globals_get_pangrams_for (const gchar *lang)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
if ((lang != NULL) && (g_strcmp0 (lang, "en") != 0))
return NULL;
/* return cached value if possible */
if (priv->pangrams_en != NULL)
return priv->pangrams_en;
{
g_autoptr(GBytes) data = NULL;
g_auto(GStrv) strv = NULL;
g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&priv->pangrams_mutex);
/* race protection, just to be sure */
if (priv->pangrams_en != NULL)
return priv->pangrams_en;
/* load array from resources */
data = g_resource_lookup_data (asc_get_resource (),
"/org/freedesktop/appstream-compose/pangrams/en.txt",
G_RESOURCE_LOOKUP_FLAGS_NONE,
NULL);
if (data == NULL)
return NULL;
strv = g_strsplit (g_bytes_get_data (data, NULL), "\n", -1);
if (strv == NULL)
return NULL;
priv->pangrams_en = g_ptr_array_new_full (g_strv_length (strv), g_free);
for (guint i = 0; strv[i] != NULL; i++)
g_ptr_array_add (priv->pangrams_en, g_strdup (strv[i]));
}
return priv->pangrams_en;
}
/**
* asc_globals_create_hint_tag_table:
*
* Create hint tag cache.
* IMPORTANT: This function may only be called while a lock is held
* on the hint tag table mutex.
*/
static void
asc_globals_create_hint_tag_table (void)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
g_return_if_fail (priv->hint_tags == NULL);
priv->hint_tags = g_hash_table_new_full (g_str_hash,
g_str_equal,
(GDestroyNotify) as_ref_string_release,
(GDestroyNotify) asc_hint_tag_free);
/* add compose issue hint tags */
for (guint i = 0; asc_hint_tag_list[i].tag != NULL; i++) {
AscHintTag *htag;
gboolean r;
const AscHintTagStatic s = asc_hint_tag_list[i];
htag = asc_hint_tag_new (s.tag, s.severity, s.explanation);
r = g_hash_table_insert (priv->hint_tags,
g_ref_string_new_intern (asc_hint_tag_list[i].tag),
htag);
if (G_UNLIKELY (!r))
g_critical ("Duplicate compose-hint tag '%s' found in tag list. This is a "
"bug in appstream-compose.",
asc_hint_tag_list[i].tag);
}
/* add validator issue hint tags */
for (guint i = 0; as_validator_issue_tag_list[i].tag != NULL; i++) {
AscHintTag *htag;
gboolean r;
AsIssueSeverity severity;
g_autofree gchar *compose_tag = g_strconcat ("asv-",
as_validator_issue_tag_list[i].tag,
NULL);
g_autofree gchar *explanation = g_markup_printf_escaped (
"<code>{{location}}</code> - <em>{{hint}}</em><br/>%s",
as_validator_issue_tag_list[i].explanation);
/* any validator issue can not be of type error in as-compose - if the validation issue
* is so severe that it renders the compose process impossible, we will throw another issue
* of type "error" which will immediately terminate the data genertaion. */
severity = as_validator_issue_tag_list[i].severity;
if (severity == AS_ISSUE_SEVERITY_ERROR)
severity = AS_ISSUE_SEVERITY_WARNING;
htag = asc_hint_tag_new (compose_tag, severity, explanation);
r = g_hash_table_insert (priv->hint_tags,
g_ref_string_new_intern (compose_tag),
htag);
if (G_UNLIKELY (!r))
g_critical ("Duplicate issue-tag '%s' found in tag list. This is a bug in "
"appstream-compose.",
as_validator_issue_tag_list[i].tag);
}
}
/**
* asc_globals_add_hint_tag:
* @tag: the tag-ID to add
* @severity: the tag severity as #AsIssueSeverity
* @explanation: the tag explanatory message
* @overrideExisting: whether an existing tag should be replaced
*
* Register a new hint tag. If a previous tag with the given name
* already existed, the existing tag will not be replaced unless
* @overrideExisting is set to %TRUE.
* Please be careful when overriding tags! Tag severities can not
* be lowered by overriding a tag.
*
* Returns: %TRUE if the tag was registered and did not exist previously.
*/
gboolean
asc_globals_add_hint_tag (const gchar *tag,
AsIssueSeverity severity,
const gchar *explanation,
gboolean overrideExisting)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
AscHintTag *htag;
AscHintTag *e_htag;
g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&priv->hint_tags_mutex);
g_return_val_if_fail (tag != NULL, FALSE);
if (priv->hint_tags == NULL)
asc_globals_create_hint_tag_table ();
e_htag = g_hash_table_lookup (priv->hint_tags, tag);
if (e_htag != NULL) {
if (overrideExisting) {
/* make sure we don't permit lowering severities */
if (severity > e_htag->severity)
severity = e_htag->severity;
} else {
/* don't allow the override */
return FALSE;
}
}
htag = asc_hint_tag_new (tag, severity, explanation);
g_hash_table_insert (priv->hint_tags, g_ref_string_new_intern (tag), htag);
return TRUE;
}
/**
* asc_globals_get_hint_info:
*
* Return details for a given hint tag.
*
* Returns: (transfer none): Hint tag details.
*/
AscHintTag *
asc_globals_get_hint_tag_details (const gchar *tag)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&priv->hint_tags_mutex);
g_return_val_if_fail (tag != NULL, NULL);
if (priv->hint_tags == NULL)
asc_globals_create_hint_tag_table ();
return g_hash_table_lookup (priv->hint_tags, tag);
}
/**
* asc_globals_get_hint_tags:
*
* Retrieve all hint tags that we know.
*
* Returns: (transfer full): A list of valid hint tags. Free with %g_strfreev
*/
gchar **
asc_globals_get_hint_tags (void)
{
AscGlobalsPrivate *priv = asc_globals_get_priv ();
GHashTableIter iter;
gpointer key;
gchar **strv;
guint i = 0;
g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&priv->hint_tags_mutex);
if (priv->hint_tags == NULL)
asc_globals_create_hint_tag_table ();
/* deep-copy the table keys to a strv */
strv = g_new0 (gchar *, g_hash_table_size (priv->hint_tags) + 1);
g_hash_table_iter_init (&iter, priv->hint_tags);
while (g_hash_table_iter_next (&iter, &key, NULL))
strv[i++] = g_strdup ((const gchar *) key);
return strv;
}
/**
* asc_globals_hint_tag_severity:
*
* Retrieve the severity of the given hint tag.
*
* Returns: An #AsIssueSeverity or %AS_ISSUE_SEVERITY_UNKNOWN if the tag did not exist
* or has an unknown severity.
*/
AsIssueSeverity
asc_globals_hint_tag_severity (const gchar *tag)
{
AscHintTag *htag = asc_globals_get_hint_tag_details (tag);
if (htag == NULL)
return AS_ISSUE_SEVERITY_UNKNOWN;
return htag->severity;
}
/**
* asc_globals_hint_tag_explanation:
*
* Retrieve the explanation template of the given hint tag.
*
* Returns: An explanation template, or %NULL if the tag was not found.
*/
const gchar *
asc_globals_hint_tag_explanation (const gchar *tag)
{
AscHintTag *htag = asc_globals_get_hint_tag_details (tag);
if (htag == NULL)
return NULL;
return htag->explanation;
}