6 static void *attribute_table;
7 static int greatest_att_bitnum;
9 static int char_compare(const struct osl_object *obj1, const struct osl_object *obj2)
11 const unsigned char *c1 = (const unsigned char*)obj1->data;
12 const unsigned char *c2 = (const unsigned char*)obj2->data;
20 enum attribute_table_columns {ATTCOL_BITNUM, ATTCOL_NAME, NUM_ATT_COLUMNS};
22 static struct osl_column_description att_cols[] = {
24 .storage_type = OSL_MAPPED_STORAGE,
25 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
27 .compare_function = char_compare,
31 .storage_type = OSL_MAPPED_STORAGE,
32 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
34 .compare_function = string_compare,
38 static const struct osl_table_description attribute_table_desc = {
41 .num_columns = NUM_ATT_COLUMNS,
43 .column_descriptions = att_cols
46 static void find_greatest_att_bitnum(void)
51 struct osl_object obj = {.data = &c, .size = 1};
52 if (osl_get_row(attribute_table, ATTCOL_BITNUM, &obj,
54 greatest_att_bitnum = c;
58 PARA_INFO_LOG("%s\n", "no attributes");
59 greatest_att_bitnum = -E_NO_ATTRIBUTES;
62 int get_attribute_bitnum_by_name(const char *att_name, unsigned char *bitnum)
64 struct osl_object obj = {.data = (char *)att_name,
65 .size = strlen(att_name) + 1};
67 int ret = osl_get_row(attribute_table, ATTCOL_NAME, &obj, &row);
71 ret = osl_get_object(attribute_table, row, ATTCOL_BITNUM, &obj);
74 *bitnum = *(unsigned char *)obj.data;
78 #define LAA_FLAG_ALPHA 1
79 #define LAA_FLAG_LONG 2
81 struct private_laa_data {
86 static int log_attribute(struct osl_row *row, void *private_data)
88 struct private_laa_data *pld = private_data;
90 struct osl_object name_obj, bitnum_obj;
92 ret = osl_get_object(attribute_table, row, ATTCOL_NAME, &name_obj);
95 if (!(pld->flags & LAA_FLAG_LONG)) {
96 printf("%s\n", (char *)name_obj.data);
99 ret = osl_get_object(attribute_table, row, ATTCOL_BITNUM, &bitnum_obj);
102 printf("%u\t%s\n", *(unsigned char*)bitnum_obj.data,
103 (char *)name_obj.data);
107 int com_lsatt(int fd, int argc, const char **argv)
109 struct private_laa_data pld = {.fd = fd, .flags = 0};
112 for (i = 1; i < argc; i++) {
113 const char *arg = argv[i];
116 if (!strcmp(arg, "--")) {
120 if (!strcmp(arg, "-a")) {
121 pld.flags |= LAA_FLAG_ALPHA;
124 if (!strcmp(arg, "-l")) {
125 pld.flags |= LAA_FLAG_LONG;
130 return -E_ATTR_SYNTAX;
131 if (pld.flags & LAA_FLAG_ALPHA)
132 return osl_rbtree_loop(attribute_table, ATTCOL_NAME,
133 &pld, log_attribute);
134 return osl_rbtree_loop(attribute_table, ATTCOL_BITNUM,
135 &pld, log_attribute);
138 static int com_setatt_callback(const struct osl_object *query,
139 __a_unused struct osl_object *result)
142 uint64_t add_mask = 0, del_mask = 0;
145 struct osl_object obj;
148 for (p = query->data; p < (char *)query->data + query->size; p += len + 1) {
153 return -E_ATTR_SYNTAX;
155 if (c != '+' && c != '-')
160 ret = osl_get_row(attribute_table, ATTCOL_NAME, &obj, &row);
163 ret = osl_get_object(attribute_table, row, ATTCOL_BITNUM,
168 add_mask |= (1UL << *(unsigned char *)obj.data);
170 del_mask |= (1UL << *(unsigned char *)obj.data);
172 if (!add_mask && !del_mask)
173 return -E_ATTR_SYNTAX;
174 PARA_DEBUG_LOG("masks: %llx:%llx\n", add_mask, del_mask);
175 for (; p < (char *)query->data + query->size; p += len + 1) { /* TODO: fnmatch */
176 struct afs_info old_afsi, new_afsi;
177 struct osl_row *aft_row;
180 ret = aft_get_row_of_path(p, &aft_row);
183 ret = get_afsi_object_of_row(p, &obj);
186 ret = load_afsi(&old_afsi, &obj);
190 new_afsi.attributes |= add_mask;
191 new_afsi.attributes &= ~del_mask;
192 save_afsi(&new_afsi, &obj); /* in-place update */
193 ret = mood_update_audio_file(aft_row, &old_afsi);
200 int com_setatt(__a_unused int fd, int argc, const char **argv)
203 return -E_ATTR_SYNTAX;
204 return send_standard_callback_request(argc, argv, com_setatt_callback,
208 /* TODO: make it faster by only extracting the attribute member from afsi */
209 static int logical_and_attribute(struct osl_row *aft_row, void *attribute_ptr)
211 struct afs_info afsi;
212 uint64_t *att = attribute_ptr;
213 struct osl_object obj;
214 int ret = get_afsi_object_of_row(aft_row, &obj);
217 ret = load_afsi(&afsi, &obj);
220 afsi.attributes &= *att;
221 save_afsi(&afsi, &obj);
225 static int com_addatt_callback(const struct osl_object *query,
226 __a_unused struct osl_object *result)
228 char *p = query->data;
229 uint64_t atts_added = 0;
232 while (p < (char *)query->data + query->size) {
233 struct osl_object objs[NUM_ATT_COLUMNS];
235 unsigned char bitnum;
237 objs[ATTCOL_BITNUM].size = 1;
238 objs[ATTCOL_NAME].data = p;
239 objs[ATTCOL_NAME].size = strlen(p) + 1;
240 ret = osl_get_row(attribute_table, ATTCOL_NAME,
241 &objs[ATTCOL_NAME], &row); /* expected to fail */
243 return -E_ATTR_EXISTS;
244 if (ret != -E_RB_KEY_NOT_FOUND) /* error */
246 /* find smallest non-used attribute */
247 for (bitnum = 0; bitnum < 64; bitnum++) {
248 objs[ATTCOL_BITNUM].data = &bitnum;
249 ret = osl_get_row(attribute_table, ATTCOL_BITNUM,
250 &objs[ATTCOL_BITNUM], &row);
251 if (ret == -E_RB_KEY_NOT_FOUND)
252 break; /* this bitnum is unused, use it */
253 if (ret < 0) /* error */
255 /* this bit is already in use, try next bit */
258 return -E_ATTR_TABLE_FULL;
259 ret = osl_add_row(attribute_table, objs);
262 greatest_att_bitnum = PARA_MAX(greatest_att_bitnum, bitnum);
263 atts_added |= 1 << bitnum;
268 atts_added = ~atts_added;
269 ret = audio_file_loop(&atts_added, logical_and_attribute);
272 find_greatest_att_bitnum();
273 return mood_reload();
276 int com_addatt(__a_unused int fd, int argc, const char **argv)
279 return -E_ATTR_SYNTAX;
280 return send_standard_callback_request(argc, argv, com_addatt_callback,
284 static int com_rmatt_callback(const struct osl_object *query,
285 __a_unused struct osl_object *result)
287 char *p = query->data;
288 int ret, atts_removed = 0;
289 while (p < (char *)query->data + query->size) {
290 struct osl_object obj = {
292 .size = strlen(p) + 1
295 ret = osl_get_row(attribute_table, ATTCOL_NAME,
299 ret = osl_del_row(attribute_table, row);
305 find_greatest_att_bitnum();
308 return mood_reload();
311 int com_rmatt(__a_unused int fd, int argc, const char **argv)
314 return -E_ATTR_SYNTAX;
315 return send_standard_callback_request(argc, argv, com_rmatt_callback,
319 void get_attribute_bitmap(uint64_t *atts, char *buf)
322 const uint64_t one = 1;
324 for (i = 0; i <= greatest_att_bitnum; i++)
325 buf[greatest_att_bitnum - i] = (*atts & (one << i))? 'x' : '-';
329 * Get a string containing the set attributes in text form.
331 * \param atts The attribute bitmap.
332 * \param delim The delimiter to separate matching attribute names.
333 * \param text Result pointer.
335 * \return Positive on success, negative on errors. If no attributes have
336 * been defined, \a *text is NULL.
338 int get_attribute_text(uint64_t *atts, const char *delim, char **text)
341 const uint64_t one = 1;
344 if (greatest_att_bitnum < 0) /* no attributes available */
346 for (i = 0; i <= greatest_att_bitnum; i++) {
347 unsigned char bn = i;
348 struct osl_object obj = {.data = &bn, .size = 1};
351 if (!(*atts & (one << i)))
353 ret = osl_get_row(attribute_table, ATTCOL_BITNUM, &obj, &row);
356 ret = osl_get_object(attribute_table, row, ATTCOL_NAME, &obj);
360 char *tmp = make_message("%s%s%s", *text, delim, (char *)obj.data);
364 *text = para_strdup(obj.data);
366 if (!*text) /* no attributes set */
367 *text = para_strdup("");
374 void attribute_shutdown(enum osl_close_flags flags)
376 osl_close_table(attribute_table, flags);
379 int attribute_init(struct table_info *ti)
383 ti->desc = &attribute_table_desc;
384 ret = osl_open_table(ti->desc, &ti->table);
385 greatest_att_bitnum = -1; /* no atts available */
387 attribute_table = ti->table;
388 find_greatest_att_bitnum();
391 attribute_table = NULL;