03d7fdf3 |
1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2003-2004 Michel Dagenais |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License Version 2 as |
6 | * published by the Free Software Foundation; |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License |
14 | * along with this program; if not, write to the Free Software |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
16 | * MA 02111-1307, USA. |
17 | */ |
18 | |
19 | #ifdef HAVE_CONFIG_H |
20 | #include <config.h> |
21 | #endif |
22 | |
23 | #include <string.h> |
24 | #include <lttv/attribute.h> |
25 | #include <ltt/ltt.h> |
26 | #include <ltt/compiler.h> |
27 | |
28 | typedef union _AttributeValue { |
29 | int dv_int; |
30 | unsigned dv_uint; |
31 | long dv_long; |
32 | unsigned long dv_ulong; |
33 | float dv_float; |
34 | double dv_double; |
35 | LttTime dv_time; |
36 | gpointer dv_pointer; |
37 | char *dv_string; |
38 | GObject *dv_gobject; |
39 | } AttributeValue; |
40 | |
41 | |
42 | typedef struct _Attribute { |
43 | LttvAttributeName name; |
44 | LttvAttributeType type; |
45 | AttributeValue value; |
46 | gboolean is_named; |
47 | } Attribute; |
48 | |
49 | |
50 | static __inline__ LttvAttributeValue address_of_value(LttvAttributeType t, |
51 | AttributeValue *v) |
52 | { |
53 | LttvAttributeValue va; |
54 | |
55 | switch(t) { |
56 | case LTTV_INT: va.v_int = &v->dv_int; break; |
57 | case LTTV_UINT: va.v_uint = &v->dv_uint; break; |
58 | case LTTV_LONG: va.v_long = &v->dv_long; break; |
59 | case LTTV_ULONG: va.v_ulong = &v->dv_ulong; break; |
60 | case LTTV_FLOAT: va.v_float = &v->dv_float; break; |
61 | case LTTV_DOUBLE: va.v_double = &v->dv_double; break; |
62 | case LTTV_TIME: va.v_time = &v->dv_time; break; |
63 | case LTTV_POINTER: va.v_pointer = &v->dv_pointer; break; |
64 | case LTTV_STRING: va.v_string = &v->dv_string; break; |
65 | case LTTV_GOBJECT: va.v_gobject = &v->dv_gobject; break; |
66 | case LTTV_NONE: break; |
67 | } |
68 | return va; |
69 | } |
70 | |
71 | |
72 | AttributeValue init_value(LttvAttributeType t) |
73 | { |
74 | AttributeValue v; |
75 | |
76 | switch(t) { |
77 | case LTTV_INT: v.dv_int = 0; break; |
78 | case LTTV_UINT: v.dv_uint = 0; break; |
79 | case LTTV_LONG: v.dv_long = 0; break; |
80 | case LTTV_ULONG: v.dv_ulong = 0; break; |
81 | case LTTV_FLOAT: v.dv_float = 0; break; |
82 | case LTTV_DOUBLE: v.dv_double = 0; break; |
83 | case LTTV_TIME: v.dv_time.tv_sec = 0; v.dv_time.tv_nsec = 0; break; |
84 | case LTTV_POINTER: v.dv_pointer = NULL; break; |
85 | case LTTV_STRING: v.dv_string = NULL; break; |
86 | case LTTV_GOBJECT: v.dv_gobject = NULL; break; |
87 | case LTTV_NONE: break; |
88 | } |
89 | return v; |
90 | } |
91 | |
92 | |
93 | unsigned int |
94 | lttv_attribute_get_number(LttvAttribute *self) |
95 | { |
96 | return self->attributes->len; |
97 | } |
98 | |
99 | gboolean |
100 | lttv_attribute_named(LttvAttribute *self, gboolean *homogeneous) |
101 | { |
102 | *homogeneous = FALSE; |
103 | return TRUE; |
104 | } |
105 | |
106 | LttvAttributeType |
107 | lttv_attribute_get(LttvAttribute *self, unsigned i, LttvAttributeName *name, |
108 | LttvAttributeValue *v, gboolean *is_named) |
109 | { |
110 | Attribute *a; |
111 | |
112 | a = &g_array_index(self->attributes, Attribute, i); |
113 | *name = a->name; |
114 | *v = address_of_value(a->type, &(a->value)); |
115 | *is_named = a->is_named; |
116 | return a->type; |
117 | } |
118 | |
119 | |
120 | LttvAttributeType |
121 | lttv_attribute_get_by_name(LttvAttribute *self, LttvAttributeName name, |
122 | LttvAttributeValue *v) |
123 | { |
124 | Attribute *a; |
125 | |
126 | unsigned i; |
127 | |
128 | gpointer p; |
129 | |
130 | p = g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
131 | if(p == NULL) return LTTV_NONE; |
132 | |
133 | i = GPOINTER_TO_UINT(p); |
134 | i--; |
135 | a = &g_array_index(self->attributes, Attribute, i); |
136 | *v = address_of_value(a->type, &(a->value)); |
137 | return a->type; |
138 | } |
139 | |
140 | |
141 | LttvAttributeValue |
142 | lttv_attribute_add(LttvAttribute *self, LttvAttributeName name, |
143 | LttvAttributeType t) |
144 | { |
145 | unsigned i; |
146 | |
147 | Attribute a, *pa; |
148 | |
149 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
150 | if(i != 0) g_error("duplicate entry in attribute table"); |
151 | |
152 | a.name = name; |
153 | a.is_named = 1; |
154 | a.type = t; |
155 | a.value = init_value(t); |
156 | g_array_append_val(self->attributes, a); |
157 | i = self->attributes->len - 1; |
158 | pa = &g_array_index(self->attributes, Attribute, i); |
159 | g_hash_table_insert(self->names, GUINT_TO_POINTER(name), |
160 | GUINT_TO_POINTER(i + 1)); |
161 | return address_of_value(t, &(pa->value)); |
162 | } |
163 | |
164 | LttvAttributeValue |
165 | lttv_attribute_add_unnamed(LttvAttribute *self, LttvAttributeName name, |
166 | LttvAttributeType t) |
167 | { |
168 | unsigned i; |
169 | |
170 | Attribute a, *pa; |
171 | |
172 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
173 | if(i != 0) g_error("duplicate entry in attribute table"); |
174 | |
175 | a.name = name; |
176 | a.is_named = 0; |
177 | a.type = t; |
178 | a.value = init_value(t); |
179 | g_array_append_val(self->attributes, a); |
180 | i = self->attributes->len - 1; |
181 | pa = &g_array_index(self->attributes, Attribute, i); |
182 | g_hash_table_insert(self->names, GUINT_TO_POINTER(name), |
183 | GUINT_TO_POINTER(i + 1)); |
184 | return address_of_value(t, &(pa->value)); |
185 | } |
186 | |
187 | |
188 | /* Remove an attribute */ |
189 | |
190 | void |
191 | lttv_attribute_remove(LttvAttribute *self, unsigned i) |
192 | { |
193 | Attribute *a; |
194 | |
195 | a = &g_array_index(self->attributes, Attribute, i); |
196 | |
197 | /* If the element is a gobject, unreference it. */ |
198 | if(a->type == LTTV_GOBJECT && a->value.dv_gobject != NULL) |
199 | g_object_unref(a->value.dv_gobject); |
200 | |
201 | /* Remove the array element and its entry in the name index */ |
202 | |
203 | g_hash_table_remove(self->names, GUINT_TO_POINTER(a->name)); |
204 | g_array_remove_index_fast(self->attributes, i); |
205 | |
206 | /* The element used to replace the removed element has its index entry |
207 | all wrong now. Reinsert it with its new position. */ |
208 | |
209 | if(likely(self->attributes->len != i)){ |
210 | g_hash_table_remove(self->names, GUINT_TO_POINTER(a->name)); |
211 | g_hash_table_insert(self->names, GUINT_TO_POINTER(a->name), GUINT_TO_POINTER(i + 1)); |
212 | } |
213 | } |
214 | |
215 | void |
216 | lttv_attribute_remove_by_name(LttvAttribute *self, LttvAttributeName name) |
217 | { |
218 | unsigned i; |
219 | |
220 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
221 | if(unlikely(i == 0)) g_error("remove by name non existent attribute"); |
222 | |
223 | lttv_attribute_remove(self, i - 1); |
224 | } |
225 | |
226 | /* Create an empty iattribute object and add it as an attribute under the |
227 | specified name, or return an existing iattribute attribute. If an |
228 | attribute of that name already exists but is not a GObject supporting the |
229 | iattribute interface, return NULL. */ |
230 | |
231 | /*CHECK*/LttvAttribute* |
232 | lttv_attribute_find_subdir(LttvAttribute *self, LttvAttributeName name) |
233 | { |
234 | unsigned i; |
235 | |
236 | Attribute a; |
237 | |
238 | LttvAttribute *new; |
239 | |
240 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
241 | if(likely(i != 0)) { |
242 | a = g_array_index(self->attributes, Attribute, i - 1); |
243 | if(likely(a.type == LTTV_GOBJECT && LTTV_IS_IATTRIBUTE(a.value.dv_gobject))) { |
244 | return LTTV_ATTRIBUTE(a.value.dv_gobject); |
245 | } |
246 | else return NULL; |
247 | } |
248 | new = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
249 | *(lttv_attribute_add(self, name, LTTV_GOBJECT).v_gobject) = G_OBJECT(new); |
250 | return (LttvAttribute *)new; |
251 | } |
252 | |
253 | /*CHECK*/LttvAttribute* |
254 | lttv_attribute_find_subdir_unnamed(LttvAttribute *self, LttvAttributeName name) |
255 | { |
256 | unsigned i; |
257 | |
258 | Attribute a; |
259 | |
260 | LttvAttribute *new; |
261 | |
262 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
263 | if(likely(i != 0)) { |
264 | a = g_array_index(self->attributes, Attribute, i - 1); |
265 | if(likely(a.type == LTTV_GOBJECT && LTTV_IS_IATTRIBUTE(a.value.dv_gobject))) { |
266 | return LTTV_ATTRIBUTE(a.value.dv_gobject); |
267 | } |
268 | else return NULL; |
269 | } |
270 | new = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
271 | *(lttv_attribute_add_unnamed(self, name, LTTV_GOBJECT).v_gobject) |
272 | = G_OBJECT(new); |
273 | return (LttvAttribute *)new; |
274 | } |
275 | |
276 | gboolean |
277 | lttv_attribute_find(LttvAttribute *self, LttvAttributeName name, |
278 | LttvAttributeType t, LttvAttributeValue *v) |
279 | { |
280 | unsigned i; |
281 | |
282 | Attribute *a; |
283 | |
284 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
285 | if(likely(i != 0)) { |
286 | a = &g_array_index(self->attributes, Attribute, i - 1); |
287 | if(unlikely(a->type != t)) return FALSE; |
288 | *v = address_of_value(t, &(a->value)); |
289 | return TRUE; |
290 | } |
291 | |
292 | *v = lttv_attribute_add(self, name, t); |
293 | return TRUE; |
294 | } |
295 | |
296 | gboolean |
297 | lttv_attribute_find_unnamed(LttvAttribute *self, LttvAttributeName name, |
298 | LttvAttributeType t, LttvAttributeValue *v) |
299 | { |
300 | unsigned i; |
301 | |
302 | Attribute *a; |
303 | |
304 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
305 | if(likely(i != 0)) { |
306 | a = &g_array_index(self->attributes, Attribute, i - 1); |
307 | if(unlikely(a->type != t)) return FALSE; |
308 | *v = address_of_value(t, &(a->value)); |
309 | return TRUE; |
310 | } |
311 | |
312 | *v = lttv_attribute_add_unnamed(self, name, t); |
313 | return TRUE; |
314 | } |
315 | |
316 | |
317 | /*void lttv_attribute_recursive_free(LttvAttribute *self) |
318 | { |
319 | int i, nb; |
320 | |
321 | Attribute *a; |
322 | |
323 | nb = self->attributes->len; |
324 | |
325 | for(i = 0 ; i < nb ; i++) { |
326 | a = &g_array_index(self->attributes, Attribute, i); |
327 | if(a->type == LTTV_GOBJECT && LTTV_IS_ATTRIBUTE(a->value.dv_gobject)) { |
328 | lttv_attribute_recursive_free((LttvAttribute *)(a->value.dv_gobject)); |
329 | } |
330 | } |
331 | g_object_unref(self); |
332 | }*/ |
333 | |
334 | |
335 | void lttv_attribute_recursive_add(LttvAttribute *dest, LttvAttribute *src) |
336 | { |
337 | int i, nb; |
338 | |
339 | Attribute *a; |
340 | |
341 | LttvAttributeValue value; |
342 | |
343 | nb = src->attributes->len; |
344 | |
345 | for(i = 0 ; i < nb ; i++) { |
346 | a = &g_array_index(src->attributes, Attribute, i); |
347 | if(a->type == LTTV_GOBJECT && LTTV_IS_ATTRIBUTE(a->value.dv_gobject)) { |
348 | if(a->is_named) |
349 | lttv_attribute_recursive_add( |
350 | /*CHECK*/(LttvAttribute *)lttv_attribute_find_subdir(dest, a->name), |
351 | (LttvAttribute *)(a->value.dv_gobject)); |
352 | else |
353 | lttv_attribute_recursive_add( |
354 | /*CHECK*/(LttvAttribute *)lttv_attribute_find_subdir_unnamed( |
355 | dest, a->name), (LttvAttribute *)(a->value.dv_gobject)); |
356 | } |
357 | else { |
358 | if(a->is_named) |
359 | g_assert(lttv_attribute_find(dest, a->name, a->type, &value)); |
360 | else |
361 | g_assert(lttv_attribute_find_unnamed(dest, a->name, a->type, &value)); |
362 | switch(a->type) { |
363 | case LTTV_INT: |
364 | *value.v_int += a->value.dv_int; |
365 | break; |
366 | case LTTV_UINT: |
367 | *value.v_uint += a->value.dv_uint; |
368 | break; |
369 | case LTTV_LONG: |
370 | *value.v_long += a->value.dv_long; |
371 | break; |
372 | case LTTV_ULONG: |
373 | *value.v_ulong += a->value.dv_ulong; |
374 | break; |
375 | case LTTV_FLOAT: |
376 | *value.v_float += a->value.dv_float; |
377 | break; |
378 | case LTTV_DOUBLE: |
379 | *value.v_double += a->value.dv_double; |
380 | break; |
381 | case LTTV_TIME: |
382 | *value.v_time = ltt_time_add(*value.v_time, a->value.dv_time); |
383 | break; |
384 | case LTTV_POINTER: |
385 | break; |
386 | case LTTV_STRING: |
387 | break; |
388 | case LTTV_GOBJECT: |
389 | break; |
390 | case LTTV_NONE: |
391 | break; |
392 | } |
393 | } |
394 | } |
395 | } |
396 | |
397 | |
398 | static void |
399 | print_indent(FILE *fp, int pos) |
400 | { |
401 | int i; |
402 | |
403 | for(i = 0 ; i < pos ; i++) putc(' ', fp); |
404 | } |
405 | |
406 | |
407 | void |
408 | lttv_attribute_write_xml(LttvAttribute *self, FILE *fp, int pos, int indent) |
409 | { |
410 | int i, nb; |
411 | |
412 | Attribute *a; |
413 | |
414 | nb = self->attributes->len; |
415 | |
416 | fprintf(fp,"<ATTRS>\n"); |
417 | for(i = 0 ; i < nb ; i++) { |
418 | a = &g_array_index(self->attributes, Attribute, i); |
419 | print_indent(fp, pos); |
420 | fprintf(fp, "<ATTR NAME=\"%s\" ", g_quark_to_string(a->name)); |
421 | if(a->type == LTTV_GOBJECT && LTTV_IS_ATTRIBUTE(a->value.dv_gobject)) { |
422 | fprintf(fp, "TYPE=ATTRS>"); |
423 | lttv_attribute_write_xml((LttvAttribute *)(a->value.dv_gobject), fp, |
424 | pos + indent, indent); |
425 | } |
426 | else { |
427 | switch(a->type) { |
428 | case LTTV_INT: |
429 | fprintf(fp, "TYPE=INT VALUE=%d/>\n", a->value.dv_int); |
430 | break; |
431 | case LTTV_UINT: |
432 | fprintf(fp, "TYPE=UINT VALUE=%u/>\n", a->value.dv_uint); |
433 | break; |
434 | case LTTV_LONG: |
435 | fprintf(fp, "TYPE=LONG VALUE=%ld/>\n", a->value.dv_long); |
436 | break; |
437 | case LTTV_ULONG: |
438 | fprintf(fp, "TYPE=ULONG VALUE=%lu/>\n", a->value.dv_ulong); |
439 | break; |
440 | case LTTV_FLOAT: |
441 | fprintf(fp, "TYPE=FLOAT VALUE=%f/>\n", a->value.dv_float); |
442 | break; |
443 | case LTTV_DOUBLE: |
444 | fprintf(fp, "TYPE=DOUBLE VALUE=%f/>\n", a->value.dv_double); |
445 | break; |
446 | case LTTV_TIME: |
447 | fprintf(fp, "TYPE=TIME SEC=%lu NSEC=%lu/>\n", a->value.dv_time.tv_sec, |
448 | a->value.dv_time.tv_nsec); |
449 | break; |
450 | case LTTV_POINTER: |
451 | fprintf(fp, "TYPE=POINTER VALUE=%p/>\n", a->value.dv_pointer); |
452 | break; |
453 | case LTTV_STRING: |
454 | fprintf(fp, "TYPE=STRING VALUE=\"%s\"/>\n", a->value.dv_string); |
455 | break; |
456 | case LTTV_GOBJECT: |
457 | fprintf(fp, "TYPE=GOBJECT VALUE=%p/>\n", a->value.dv_gobject); |
458 | break; |
459 | case LTTV_NONE: |
460 | fprintf(fp, "TYPE=NONE/>\n"); |
461 | break; |
462 | } |
463 | } |
464 | } |
465 | print_indent(fp, pos); |
466 | fprintf(fp,"</ATTRS>\n"); |
467 | } |
468 | |
469 | |
470 | void |
471 | lttv_attribute_read_xml(LttvAttribute *self, FILE *fp) |
472 | { |
473 | int res; |
474 | |
475 | char buffer[256], type[10]; |
476 | |
477 | LttvAttributeName name; |
478 | |
479 | LttvAttributeValue value; |
480 | |
481 | LttvAttribute *subtree; |
482 | |
483 | fscanf(fp,"<ATTRS>"); |
484 | while(1) { |
485 | res = fscanf(fp, "<ATTR NAME=\"%256[^\"]\" TYPE=%10[^ >]", buffer, type); |
486 | g_assert(res == 2); |
487 | name = g_quark_from_string(buffer); |
488 | if(strcmp(type, "ATTRS") == 0) { |
489 | fscanf(fp, ">"); |
490 | subtree = lttv_attribute_find_subdir(self, name); |
491 | lttv_attribute_read_xml(subtree, fp); |
492 | } |
493 | else if(strcmp(type, "INT") == 0) { |
494 | value = lttv_attribute_add(self, name, LTTV_INT); |
495 | res = fscanf(fp, " VALUE=%d/>", value.v_int); |
496 | g_assert(res == 1); |
497 | } |
498 | else if(strcmp(type, "UINT") == 0) { |
499 | value = lttv_attribute_add(self, name, LTTV_UINT); |
500 | res = fscanf(fp, " VALUE=%u/>", value.v_uint); |
501 | g_assert(res == 1); |
502 | } |
503 | else if(strcmp(type, "LONG") == 0) { |
504 | value = lttv_attribute_add(self, name, LTTV_LONG); |
505 | res = fscanf(fp, " VALUE=%ld/>", value.v_long); |
506 | g_assert(res == 1); |
507 | } |
508 | else if(strcmp(type, "ULONG") == 0) { |
509 | value = lttv_attribute_add(self, name, LTTV_ULONG); |
510 | res = fscanf(fp, " VALUE=%lu/>", value.v_ulong); |
511 | g_assert(res == 1); |
512 | } |
513 | else if(strcmp(type, "FLOAT") == 0) { |
514 | float d; |
515 | value = lttv_attribute_add(self, name, LTTV_FLOAT); |
516 | res = fscanf(fp, " VALUE=%f/>", &d); |
517 | *(value.v_float) = d; |
518 | g_assert(res == 1); |
519 | } |
520 | else if(strcmp(type, "DOUBLE") == 0) { |
521 | value = lttv_attribute_add(self, name, LTTV_DOUBLE); |
522 | res = fscanf(fp, " VALUE=%lf/>", value.v_double); |
523 | g_assert(res == 1); |
524 | } |
525 | else if(strcmp(type, "TIME") == 0) { |
526 | value = lttv_attribute_add(self, name, LTTV_TIME); |
527 | res = fscanf(fp, " SEC=%lu NSEC=%lu/>", &(value.v_time->tv_sec), |
528 | &(value.v_time->tv_nsec)); |
529 | g_assert(res == 2); |
530 | } |
531 | else if(strcmp(type, "POINTER") == 0) { |
532 | value = lttv_attribute_add(self, name, LTTV_POINTER); |
533 | res = fscanf(fp, " VALUE=%p/>", value.v_pointer); |
534 | g_error("Cannot read a pointer"); |
535 | } |
536 | else if(strcmp(type, "STRING") == 0) { |
537 | value = lttv_attribute_add(self, name, LTTV_STRING); |
538 | res = fscanf(fp, " VALUE=\"%256[^\"]\"/>", buffer); |
539 | *(value.v_string) = g_strdup(buffer); |
540 | g_assert(res == 1); |
541 | } |
542 | else if(strcmp(type, "GOBJECT") == 0) { |
543 | value = lttv_attribute_add(self, name, LTTV_GOBJECT); |
544 | res = fscanf(fp, " VALUE=%p/>", value.v_gobject); |
545 | g_error("Cannot read a pointer"); |
546 | } |
547 | else if(strcmp(type, "NONE") == 0) { |
548 | value = lttv_attribute_add(self, name, LTTV_NONE); |
549 | fscanf(fp, "/>"); |
550 | } |
551 | else g_error("Unknown type to read"); |
552 | } |
553 | fscanf(fp,"</ATTRS>"); |
554 | } |
555 | |
556 | static LttvAttribute * |
557 | new_attribute (LttvAttribute *self) |
558 | { |
559 | return g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
560 | } |
561 | |
562 | |
563 | static void |
564 | attribute_interface_init (gpointer g_iface, gpointer iface_data) |
565 | { |
566 | LttvIAttributeClass *klass = (LttvIAttributeClass *)g_iface; |
567 | |
568 | klass->new_attribute = (LttvIAttribute* (*) (LttvIAttribute *self)) |
569 | new_attribute; |
570 | |
571 | klass->get_number = (unsigned int (*) (LttvIAttribute *self)) |
572 | lttv_attribute_get_number; |
573 | |
574 | klass->named = (gboolean (*) (LttvIAttribute *self, gboolean *homogeneous)) |
575 | lttv_attribute_named; |
576 | |
577 | klass->get = (LttvAttributeType (*) (LttvIAttribute *self, unsigned i, |
578 | LttvAttributeName *name, LttvAttributeValue *v, gboolean *is_named)) |
579 | lttv_attribute_get; |
580 | |
581 | klass->get_by_name = (LttvAttributeType (*) (LttvIAttribute *self, |
582 | LttvAttributeName name, LttvAttributeValue *v)) |
583 | lttv_attribute_get_by_name; |
584 | |
585 | klass->add = (LttvAttributeValue (*) (LttvIAttribute *self, |
586 | LttvAttributeName name, LttvAttributeType t)) lttv_attribute_add; |
587 | |
588 | klass->add_unnamed = (LttvAttributeValue (*) (LttvIAttribute *self, |
589 | LttvAttributeName name, LttvAttributeType t)) lttv_attribute_add_unnamed; |
590 | |
591 | klass->remove = (void (*) (LttvIAttribute *self, unsigned i)) |
592 | lttv_attribute_remove; |
593 | |
594 | klass->remove_by_name = (void (*) (LttvIAttribute *self, |
595 | LttvAttributeName name)) lttv_attribute_remove_by_name; |
596 | |
597 | klass->find_subdir = (LttvIAttribute* (*) (LttvIAttribute *self, |
598 | LttvAttributeName name)) lttv_attribute_find_subdir; |
599 | |
600 | klass->find_subdir = (LttvIAttribute* (*) (LttvIAttribute *self, |
601 | LttvAttributeName name)) lttv_attribute_find_subdir_unnamed; |
602 | } |
603 | |
604 | static void |
605 | attribute_instance_init (GTypeInstance *instance, gpointer g_class) |
606 | { |
607 | LttvAttribute *self = (LttvAttribute *)instance; |
608 | self->names = g_hash_table_new(g_direct_hash, |
609 | g_direct_equal); |
610 | self->attributes = g_array_new(FALSE, FALSE, sizeof(Attribute)); |
611 | } |
612 | |
613 | |
614 | static void |
615 | attribute_finalize (LttvAttribute *self) |
616 | { |
617 | guint i; |
618 | g_log(G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "attribute_finalize()"); |
619 | |
620 | for(i=0;i<self->attributes->len;i++) { |
621 | lttv_attribute_remove(self, i); |
622 | } |
623 | |
624 | g_hash_table_destroy(self->names); |
625 | g_array_free(self->attributes, TRUE); |
626 | } |
627 | |
628 | |
629 | static void |
630 | attribute_class_init (LttvAttributeClass *klass) |
631 | { |
632 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
633 | |
634 | gobject_class->finalize = (void (*)(GObject *self))attribute_finalize; |
635 | } |
636 | |
637 | GType |
638 | lttv_attribute_get_type (void) |
639 | { |
640 | static GType type = 0; |
641 | if (type == 0) { |
642 | static const GTypeInfo info = { |
643 | sizeof (LttvAttributeClass), |
644 | NULL, /* base_init */ |
645 | NULL, /* base_finalize */ |
646 | (GClassInitFunc) attribute_class_init, /* class_init */ |
647 | NULL, /* class_finalize */ |
648 | NULL, /* class_data */ |
649 | sizeof (LttvAttribute), |
650 | 0, /* n_preallocs */ |
651 | (GInstanceInitFunc) attribute_instance_init, /* instance_init */ |
652 | NULL /* value handling */ |
653 | }; |
654 | |
655 | static const GInterfaceInfo iattribute_info = { |
656 | (GInterfaceInitFunc) attribute_interface_init, /* interface_init */ |
657 | NULL, /* interface_finalize */ |
658 | NULL /* interface_data */ |
659 | }; |
660 | |
661 | type = g_type_register_static (G_TYPE_OBJECT, "LttvAttributeType", &info, |
662 | 0); |
663 | g_type_add_interface_static (type, LTTV_IATTRIBUTE_TYPE, &iattribute_info); |
664 | } |
665 | return type; |
666 | } |
667 | |
668 | |