| 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 | } Attribute; |
| 47 | |
| 48 | |
| 49 | static __inline__ LttvAttributeValue address_of_value(LttvAttributeType t, |
| 50 | AttributeValue *v) |
| 51 | { |
| 52 | LttvAttributeValue va; |
| 53 | |
| 54 | switch(t) { |
| 55 | case LTTV_INT: va.v_int = &v->dv_int; break; |
| 56 | case LTTV_UINT: va.v_uint = &v->dv_uint; break; |
| 57 | case LTTV_LONG: va.v_long = &v->dv_long; break; |
| 58 | case LTTV_ULONG: va.v_ulong = &v->dv_ulong; break; |
| 59 | case LTTV_FLOAT: va.v_float = &v->dv_float; break; |
| 60 | case LTTV_DOUBLE: va.v_double = &v->dv_double; break; |
| 61 | case LTTV_TIME: va.v_time = &v->dv_time; break; |
| 62 | case LTTV_POINTER: va.v_pointer = &v->dv_pointer; break; |
| 63 | case LTTV_STRING: va.v_string = &v->dv_string; break; |
| 64 | case LTTV_GOBJECT: va.v_gobject = &v->dv_gobject; break; |
| 65 | case LTTV_NONE: break; |
| 66 | } |
| 67 | return va; |
| 68 | } |
| 69 | |
| 70 | |
| 71 | AttributeValue init_value(LttvAttributeType t) |
| 72 | { |
| 73 | AttributeValue v; |
| 74 | |
| 75 | switch(t) { |
| 76 | case LTTV_INT: v.dv_int = 0; break; |
| 77 | case LTTV_UINT: v.dv_uint = 0; break; |
| 78 | case LTTV_LONG: v.dv_long = 0; break; |
| 79 | case LTTV_ULONG: v.dv_ulong = 0; break; |
| 80 | case LTTV_FLOAT: v.dv_float = 0; break; |
| 81 | case LTTV_DOUBLE: v.dv_double = 0; break; |
| 82 | case LTTV_TIME: v.dv_time.tv_sec = 0; v.dv_time.tv_nsec = 0; break; |
| 83 | case LTTV_POINTER: v.dv_pointer = NULL; break; |
| 84 | case LTTV_STRING: v.dv_string = NULL; break; |
| 85 | case LTTV_GOBJECT: v.dv_gobject = NULL; break; |
| 86 | case LTTV_NONE: break; |
| 87 | } |
| 88 | return v; |
| 89 | } |
| 90 | |
| 91 | |
| 92 | unsigned int |
| 93 | lttv_attribute_get_number(LttvAttribute *self) |
| 94 | { |
| 95 | return self->attributes->len; |
| 96 | } |
| 97 | |
| 98 | |
| 99 | gboolean |
| 100 | lttv_attribute_named(LttvAttribute *self, gboolean *homogeneous) |
| 101 | { |
| 102 | *homogeneous = FALSE; |
| 103 | return TRUE; |
| 104 | } |
| 105 | |
| 106 | |
| 107 | LttvAttributeType |
| 108 | lttv_attribute_get(LttvAttribute *self, unsigned i, LttvAttributeName *name, |
| 109 | LttvAttributeValue *v) |
| 110 | { |
| 111 | Attribute *a; |
| 112 | |
| 113 | a = &g_array_index(self->attributes, Attribute, i); |
| 114 | *name = a->name; |
| 115 | *v = address_of_value(a->type, &(a->value)); |
| 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.type = t; |
| 154 | a.value = init_value(t); |
| 155 | g_array_append_val(self->attributes, a); |
| 156 | i = self->attributes->len - 1; |
| 157 | pa = &g_array_index(self->attributes, Attribute, i); |
| 158 | g_hash_table_insert(self->names, GUINT_TO_POINTER(name), |
| 159 | GUINT_TO_POINTER(i + 1)); |
| 160 | return address_of_value(t, &(pa->value)); |
| 161 | } |
| 162 | |
| 163 | |
| 164 | /* Remove an attribute */ |
| 165 | |
| 166 | void |
| 167 | lttv_attribute_remove(LttvAttribute *self, unsigned i) |
| 168 | { |
| 169 | Attribute *a; |
| 170 | |
| 171 | a = &g_array_index(self->attributes, Attribute, i); |
| 172 | |
| 173 | /* If the element is a gobject, unreference it. */ |
| 174 | if(a->type == LTTV_GOBJECT && a->value.dv_gobject != NULL) |
| 175 | g_object_unref(a->value.dv_gobject); |
| 176 | |
| 177 | /* Remove the array element and its entry in the name index */ |
| 178 | |
| 179 | g_hash_table_remove(self->names, GUINT_TO_POINTER(a->name)); |
| 180 | g_array_remove_index_fast(self->attributes, i); |
| 181 | |
| 182 | /* The element used to replace the removed element has its index entry |
| 183 | all wrong now. Reinsert it with its new position. */ |
| 184 | |
| 185 | if(likely(self->attributes->len != i)){ |
| 186 | g_hash_table_remove(self->names, GUINT_TO_POINTER(a->name)); |
| 187 | g_hash_table_insert(self->names, GUINT_TO_POINTER(a->name), GUINT_TO_POINTER(i + 1)); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | void |
| 192 | lttv_attribute_remove_by_name(LttvAttribute *self, LttvAttributeName name) |
| 193 | { |
| 194 | unsigned i; |
| 195 | |
| 196 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
| 197 | if(unlikely(i == 0)) g_error("remove by name non existent attribute"); |
| 198 | |
| 199 | lttv_attribute_remove(self, i - 1); |
| 200 | } |
| 201 | |
| 202 | /* Create an empty iattribute object and add it as an attribute under the |
| 203 | specified name, or return an existing iattribute attribute. If an |
| 204 | attribute of that name already exists but is not a GObject supporting the |
| 205 | iattribute interface, return NULL. */ |
| 206 | |
| 207 | /*CHECK*/LttvAttribute* |
| 208 | lttv_attribute_find_subdir(LttvAttribute *self, LttvAttributeName name) |
| 209 | { |
| 210 | unsigned i; |
| 211 | |
| 212 | Attribute a; |
| 213 | |
| 214 | LttvAttribute *new; |
| 215 | |
| 216 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
| 217 | if(likely(i != 0)) { |
| 218 | a = g_array_index(self->attributes, Attribute, i - 1); |
| 219 | if(likely(a.type == LTTV_GOBJECT && LTTV_IS_IATTRIBUTE(a.value.dv_gobject))) { |
| 220 | return LTTV_ATTRIBUTE(a.value.dv_gobject); |
| 221 | } |
| 222 | else return NULL; |
| 223 | } |
| 224 | new = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
| 225 | *(lttv_attribute_add(self, name, LTTV_GOBJECT).v_gobject) = G_OBJECT(new); |
| 226 | return (LttvAttribute *)new; |
| 227 | } |
| 228 | |
| 229 | gboolean |
| 230 | lttv_attribute_find(LttvAttribute *self, LttvAttributeName name, |
| 231 | LttvAttributeType t, LttvAttributeValue *v) |
| 232 | { |
| 233 | unsigned i; |
| 234 | |
| 235 | Attribute *a; |
| 236 | |
| 237 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
| 238 | if(likely(i != 0)) { |
| 239 | a = &g_array_index(self->attributes, Attribute, i - 1); |
| 240 | if(unlikely(a->type != t)) return FALSE; |
| 241 | *v = address_of_value(t, &(a->value)); |
| 242 | return TRUE; |
| 243 | } |
| 244 | |
| 245 | *v = lttv_attribute_add(self, name, t); |
| 246 | return TRUE; |
| 247 | } |
| 248 | |
| 249 | |
| 250 | /*void lttv_attribute_recursive_free(LttvAttribute *self) |
| 251 | { |
| 252 | int i, nb; |
| 253 | |
| 254 | Attribute *a; |
| 255 | |
| 256 | nb = self->attributes->len; |
| 257 | |
| 258 | for(i = 0 ; i < nb ; i++) { |
| 259 | a = &g_array_index(self->attributes, Attribute, i); |
| 260 | if(a->type == LTTV_GOBJECT && LTTV_IS_ATTRIBUTE(a->value.dv_gobject)) { |
| 261 | lttv_attribute_recursive_free((LttvAttribute *)(a->value.dv_gobject)); |
| 262 | } |
| 263 | } |
| 264 | g_object_unref(self); |
| 265 | }*/ |
| 266 | |
| 267 | |
| 268 | void lttv_attribute_recursive_add(LttvAttribute *dest, LttvAttribute *src) |
| 269 | { |
| 270 | int i, nb; |
| 271 | |
| 272 | Attribute *a; |
| 273 | |
| 274 | LttvAttributeValue value; |
| 275 | |
| 276 | nb = src->attributes->len; |
| 277 | |
| 278 | for(i = 0 ; i < nb ; i++) { |
| 279 | a = &g_array_index(src->attributes, Attribute, i); |
| 280 | if(a->type == LTTV_GOBJECT && LTTV_IS_ATTRIBUTE(a->value.dv_gobject)) { |
| 281 | lttv_attribute_recursive_add( |
| 282 | /*CHECK*/(LttvAttribute *)lttv_attribute_find_subdir(dest, a->name), |
| 283 | (LttvAttribute *)(a->value.dv_gobject)); |
| 284 | } |
| 285 | else { |
| 286 | g_assert(lttv_attribute_find(dest, a->name, a->type, &value)); |
| 287 | switch(a->type) { |
| 288 | case LTTV_INT: |
| 289 | *value.v_int += a->value.dv_int; |
| 290 | break; |
| 291 | case LTTV_UINT: |
| 292 | *value.v_uint += a->value.dv_uint; |
| 293 | break; |
| 294 | case LTTV_LONG: |
| 295 | *value.v_long += a->value.dv_long; |
| 296 | break; |
| 297 | case LTTV_ULONG: |
| 298 | *value.v_ulong += a->value.dv_ulong; |
| 299 | break; |
| 300 | case LTTV_FLOAT: |
| 301 | *value.v_float += a->value.dv_float; |
| 302 | break; |
| 303 | case LTTV_DOUBLE: |
| 304 | *value.v_double += a->value.dv_double; |
| 305 | break; |
| 306 | case LTTV_TIME: |
| 307 | *value.v_time = ltt_time_add(*value.v_time, a->value.dv_time); |
| 308 | break; |
| 309 | case LTTV_POINTER: |
| 310 | break; |
| 311 | case LTTV_STRING: |
| 312 | break; |
| 313 | case LTTV_GOBJECT: |
| 314 | break; |
| 315 | case LTTV_NONE: |
| 316 | break; |
| 317 | } |
| 318 | } |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | |
| 323 | static void |
| 324 | print_indent(FILE *fp, int pos) |
| 325 | { |
| 326 | int i; |
| 327 | |
| 328 | for(i = 0 ; i < pos ; i++) putc(' ', fp); |
| 329 | } |
| 330 | |
| 331 | |
| 332 | void |
| 333 | lttv_attribute_write_xml(LttvAttribute *self, FILE *fp, int pos, int indent) |
| 334 | { |
| 335 | int i, nb; |
| 336 | |
| 337 | Attribute *a; |
| 338 | |
| 339 | nb = self->attributes->len; |
| 340 | |
| 341 | fprintf(fp,"<ATTRS>\n"); |
| 342 | for(i = 0 ; i < nb ; i++) { |
| 343 | a = &g_array_index(self->attributes, Attribute, i); |
| 344 | print_indent(fp, pos); |
| 345 | fprintf(fp, "<ATTR NAME=\"%s\" ", g_quark_to_string(a->name)); |
| 346 | if(a->type == LTTV_GOBJECT && LTTV_IS_ATTRIBUTE(a->value.dv_gobject)) { |
| 347 | fprintf(fp, "TYPE=ATTRS>"); |
| 348 | lttv_attribute_write_xml((LttvAttribute *)(a->value.dv_gobject), fp, |
| 349 | pos + indent, indent); |
| 350 | } |
| 351 | else { |
| 352 | switch(a->type) { |
| 353 | case LTTV_INT: |
| 354 | fprintf(fp, "TYPE=INT VALUE=%d/>\n", a->value.dv_int); |
| 355 | break; |
| 356 | case LTTV_UINT: |
| 357 | fprintf(fp, "TYPE=UINT VALUE=%u/>\n", a->value.dv_uint); |
| 358 | break; |
| 359 | case LTTV_LONG: |
| 360 | fprintf(fp, "TYPE=LONG VALUE=%ld/>\n", a->value.dv_long); |
| 361 | break; |
| 362 | case LTTV_ULONG: |
| 363 | fprintf(fp, "TYPE=ULONG VALUE=%lu/>\n", a->value.dv_ulong); |
| 364 | break; |
| 365 | case LTTV_FLOAT: |
| 366 | fprintf(fp, "TYPE=FLOAT VALUE=%f/>\n", a->value.dv_float); |
| 367 | break; |
| 368 | case LTTV_DOUBLE: |
| 369 | fprintf(fp, "TYPE=DOUBLE VALUE=%f/>\n", a->value.dv_double); |
| 370 | break; |
| 371 | case LTTV_TIME: |
| 372 | fprintf(fp, "TYPE=TIME SEC=%lu NSEC=%lu/>\n", a->value.dv_time.tv_sec, |
| 373 | a->value.dv_time.tv_nsec); |
| 374 | break; |
| 375 | case LTTV_POINTER: |
| 376 | fprintf(fp, "TYPE=POINTER VALUE=%p/>\n", a->value.dv_pointer); |
| 377 | break; |
| 378 | case LTTV_STRING: |
| 379 | fprintf(fp, "TYPE=STRING VALUE=\"%s\"/>\n", a->value.dv_string); |
| 380 | break; |
| 381 | case LTTV_GOBJECT: |
| 382 | fprintf(fp, "TYPE=GOBJECT VALUE=%p/>\n", a->value.dv_gobject); |
| 383 | break; |
| 384 | case LTTV_NONE: |
| 385 | fprintf(fp, "TYPE=NONE/>\n"); |
| 386 | break; |
| 387 | } |
| 388 | } |
| 389 | } |
| 390 | print_indent(fp, pos); |
| 391 | fprintf(fp,"</ATTRS>\n"); |
| 392 | } |
| 393 | |
| 394 | |
| 395 | void |
| 396 | lttv_attribute_read_xml(LttvAttribute *self, FILE *fp) |
| 397 | { |
| 398 | int res; |
| 399 | |
| 400 | char buffer[256], type[10]; |
| 401 | |
| 402 | LttvAttributeName name; |
| 403 | |
| 404 | LttvAttributeValue value; |
| 405 | |
| 406 | LttvAttribute *subtree; |
| 407 | |
| 408 | fscanf(fp,"<ATTRS>"); |
| 409 | while(1) { |
| 410 | res = fscanf(fp, "<ATTR NAME=\"%256[^\"]\" TYPE=%10[^ >]", buffer, type); |
| 411 | g_assert(res == 2); |
| 412 | name = g_quark_from_string(buffer); |
| 413 | if(strcmp(type, "ATTRS") == 0) { |
| 414 | fscanf(fp, ">"); |
| 415 | subtree = lttv_attribute_find_subdir(self, name); |
| 416 | lttv_attribute_read_xml(subtree, fp); |
| 417 | } |
| 418 | else if(strcmp(type, "INT") == 0) { |
| 419 | value = lttv_attribute_add(self, name, LTTV_INT); |
| 420 | res = fscanf(fp, " VALUE=%d/>", value.v_int); |
| 421 | g_assert(res == 1); |
| 422 | } |
| 423 | else if(strcmp(type, "UINT") == 0) { |
| 424 | value = lttv_attribute_add(self, name, LTTV_UINT); |
| 425 | res = fscanf(fp, " VALUE=%u/>", value.v_uint); |
| 426 | g_assert(res == 1); |
| 427 | } |
| 428 | else if(strcmp(type, "LONG") == 0) { |
| 429 | value = lttv_attribute_add(self, name, LTTV_LONG); |
| 430 | res = fscanf(fp, " VALUE=%ld/>", value.v_long); |
| 431 | g_assert(res == 1); |
| 432 | } |
| 433 | else if(strcmp(type, "ULONG") == 0) { |
| 434 | value = lttv_attribute_add(self, name, LTTV_ULONG); |
| 435 | res = fscanf(fp, " VALUE=%lu/>", value.v_ulong); |
| 436 | g_assert(res == 1); |
| 437 | } |
| 438 | else if(strcmp(type, "FLOAT") == 0) { |
| 439 | float d; |
| 440 | value = lttv_attribute_add(self, name, LTTV_FLOAT); |
| 441 | res = fscanf(fp, " VALUE=%f/>", &d); |
| 442 | *(value.v_float) = d; |
| 443 | g_assert(res == 1); |
| 444 | } |
| 445 | else if(strcmp(type, "DOUBLE") == 0) { |
| 446 | value = lttv_attribute_add(self, name, LTTV_DOUBLE); |
| 447 | res = fscanf(fp, " VALUE=%lf/>", value.v_double); |
| 448 | g_assert(res == 1); |
| 449 | } |
| 450 | else if(strcmp(type, "TIME") == 0) { |
| 451 | value = lttv_attribute_add(self, name, LTTV_TIME); |
| 452 | res = fscanf(fp, " SEC=%lu NSEC=%lu/>", &(value.v_time->tv_sec), |
| 453 | &(value.v_time->tv_nsec)); |
| 454 | g_assert(res == 2); |
| 455 | } |
| 456 | else if(strcmp(type, "POINTER") == 0) { |
| 457 | value = lttv_attribute_add(self, name, LTTV_POINTER); |
| 458 | res = fscanf(fp, " VALUE=%p/>", value.v_pointer); |
| 459 | g_error("Cannot read a pointer"); |
| 460 | } |
| 461 | else if(strcmp(type, "STRING") == 0) { |
| 462 | value = lttv_attribute_add(self, name, LTTV_STRING); |
| 463 | res = fscanf(fp, " VALUE=\"%256[^\"]\"/>", buffer); |
| 464 | *(value.v_string) = g_strdup(buffer); |
| 465 | g_assert(res == 1); |
| 466 | } |
| 467 | else if(strcmp(type, "GOBJECT") == 0) { |
| 468 | value = lttv_attribute_add(self, name, LTTV_GOBJECT); |
| 469 | res = fscanf(fp, " VALUE=%p/>", value.v_gobject); |
| 470 | g_error("Cannot read a pointer"); |
| 471 | } |
| 472 | else if(strcmp(type, "NONE") == 0) { |
| 473 | value = lttv_attribute_add(self, name, LTTV_NONE); |
| 474 | fscanf(fp, "/>"); |
| 475 | } |
| 476 | else g_error("Unknown type to read"); |
| 477 | } |
| 478 | fscanf(fp,"</ATTRS>"); |
| 479 | } |
| 480 | |
| 481 | static LttvAttribute * |
| 482 | new_attribute (LttvAttribute *self) |
| 483 | { |
| 484 | return g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
| 485 | } |
| 486 | |
| 487 | |
| 488 | static void |
| 489 | attribute_interface_init (gpointer g_iface, gpointer iface_data) |
| 490 | { |
| 491 | LttvIAttributeClass *klass = (LttvIAttributeClass *)g_iface; |
| 492 | |
| 493 | klass->new_attribute = (LttvIAttribute* (*) (LttvIAttribute *self)) |
| 494 | new_attribute; |
| 495 | |
| 496 | klass->get_number = (unsigned int (*) (LttvIAttribute *self)) |
| 497 | lttv_attribute_get_number; |
| 498 | |
| 499 | klass->named = (gboolean (*) (LttvIAttribute *self, gboolean *homogeneous)) |
| 500 | lttv_attribute_named; |
| 501 | |
| 502 | klass->get = (LttvAttributeType (*) (LttvIAttribute *self, unsigned i, |
| 503 | LttvAttributeName *name, LttvAttributeValue *v)) lttv_attribute_get; |
| 504 | |
| 505 | klass->get_by_name = (LttvAttributeType (*) (LttvIAttribute *self, |
| 506 | LttvAttributeName name, LttvAttributeValue *v)) |
| 507 | lttv_attribute_get_by_name; |
| 508 | |
| 509 | klass->add = (LttvAttributeValue (*) (LttvIAttribute *self, |
| 510 | LttvAttributeName name, LttvAttributeType t)) lttv_attribute_add; |
| 511 | |
| 512 | klass->remove = (void (*) (LttvIAttribute *self, unsigned i)) |
| 513 | lttv_attribute_remove; |
| 514 | |
| 515 | klass->remove_by_name = (void (*) (LttvIAttribute *self, |
| 516 | LttvAttributeName name)) lttv_attribute_remove_by_name; |
| 517 | |
| 518 | klass->find_subdir = (LttvIAttribute* (*) (LttvIAttribute *self, |
| 519 | LttvAttributeName name)) lttv_attribute_find_subdir; |
| 520 | |
| 521 | } |
| 522 | |
| 523 | static void |
| 524 | attribute_instance_init (GTypeInstance *instance, gpointer g_class) |
| 525 | { |
| 526 | LttvAttribute *self = (LttvAttribute *)instance; |
| 527 | self->names = g_hash_table_new(g_direct_hash, |
| 528 | g_direct_equal); |
| 529 | self->attributes = g_array_new(FALSE, FALSE, sizeof(Attribute)); |
| 530 | } |
| 531 | |
| 532 | |
| 533 | static void |
| 534 | attribute_finalize (LttvAttribute *self) |
| 535 | { |
| 536 | guint i; |
| 537 | g_log(G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "attribute_finalize()"); |
| 538 | |
| 539 | for(i=0;i<self->attributes->len;i++) { |
| 540 | lttv_attribute_remove(self, i); |
| 541 | } |
| 542 | |
| 543 | g_hash_table_destroy(self->names); |
| 544 | g_array_free(self->attributes, TRUE); |
| 545 | } |
| 546 | |
| 547 | |
| 548 | static void |
| 549 | attribute_class_init (LttvAttributeClass *klass) |
| 550 | { |
| 551 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 552 | |
| 553 | gobject_class->finalize = (void (*)(GObject *self))attribute_finalize; |
| 554 | } |
| 555 | |
| 556 | GType |
| 557 | lttv_attribute_get_type (void) |
| 558 | { |
| 559 | static GType type = 0; |
| 560 | if (type == 0) { |
| 561 | static const GTypeInfo info = { |
| 562 | sizeof (LttvAttributeClass), |
| 563 | NULL, /* base_init */ |
| 564 | NULL, /* base_finalize */ |
| 565 | (GClassInitFunc) attribute_class_init, /* class_init */ |
| 566 | NULL, /* class_finalize */ |
| 567 | NULL, /* class_data */ |
| 568 | sizeof (LttvAttribute), |
| 569 | 0, /* n_preallocs */ |
| 570 | (GInstanceInitFunc) attribute_instance_init, /* instance_init */ |
| 571 | NULL /* value handling */ |
| 572 | }; |
| 573 | |
| 574 | static const GInterfaceInfo iattribute_info = { |
| 575 | (GInterfaceInitFunc) attribute_interface_init, /* interface_init */ |
| 576 | NULL, /* interface_finalize */ |
| 577 | NULL /* interface_data */ |
| 578 | }; |
| 579 | |
| 580 | type = g_type_register_static (G_TYPE_OBJECT, "LttvAttributeType", &info, |
| 581 | 0); |
| 582 | g_type_add_interface_static (type, LTTV_IATTRIBUTE_TYPE, &iattribute_info); |
| 583 | } |
| 584 | return type; |
| 585 | } |
| 586 | |
| 587 | |