| 1 | |
| 2 | #include <lttv/attribute.h> |
| 3 | #include <ltt/ltt.h> |
| 4 | |
| 5 | typedef union _AttributeValue { |
| 6 | int dv_int; |
| 7 | unsigned dv_uint; |
| 8 | long dv_long; |
| 9 | unsigned long dv_ulong; |
| 10 | float dv_float; |
| 11 | double dv_double; |
| 12 | LttvTime dv_time; |
| 13 | gpointer dv_pointer; |
| 14 | char *dv_string; |
| 15 | GObject *dv_gobject; |
| 16 | } AttributeValue; |
| 17 | |
| 18 | |
| 19 | typedef struct _Attribute { |
| 20 | LttvAttributeName name; |
| 21 | LttvAttributeType type; |
| 22 | AttributeValue value; |
| 23 | } Attribute; |
| 24 | |
| 25 | |
| 26 | LttvAttributeValue address_of_value(LttvAttributeType t, AttributeValue *v) |
| 27 | { |
| 28 | LttvAttributeValue va; |
| 29 | |
| 30 | switch(t) { |
| 31 | case LTTV_INT: va.v_int = &v->dv_int; break; |
| 32 | case LTTV_UINT: va.v_uint = &v->dv_uint; break; |
| 33 | case LTTV_LONG: va.v_long = &v->dv_long; break; |
| 34 | case LTTV_ULONG: va.v_ulong = &v->dv_ulong; break; |
| 35 | case LTTV_FLOAT: va.v_float = &v->dv_float; break; |
| 36 | case LTTV_DOUBLE: va.v_double = &v->dv_double; break; |
| 37 | case LTTV_TIME: va.v_time = &v->dv_time; break; |
| 38 | case LTTV_POINTER: va.v_pointer = &v->dv_pointer; break; |
| 39 | case LTTV_STRING: va.v_string = &v->dv_string; break; |
| 40 | case LTTV_GOBJECT: va.v_gobject = &v->dv_gobject; break; |
| 41 | } |
| 42 | return va; |
| 43 | } |
| 44 | |
| 45 | |
| 46 | AttributeValue init_value(LttvAttributeType t) |
| 47 | { |
| 48 | AttributeValue v; |
| 49 | |
| 50 | switch(t) { |
| 51 | case LTTV_INT: v.dv_int = 0; break; |
| 52 | case LTTV_UINT: v.dv_uint = 0; break; |
| 53 | case LTTV_LONG: v.dv_long = 0; break; |
| 54 | case LTTV_ULONG: v.dv_ulong = 0; break; |
| 55 | case LTTV_FLOAT: v.dv_float = 0; break; |
| 56 | case LTTV_DOUBLE: v.dv_double = 0; break; |
| 57 | case LTTV_TIME: v.dv_time.tv_sec = 0; v.dv_time.tv_nsec = 0; break; |
| 58 | case LTTV_POINTER: v.dv_pointer = NULL; break; |
| 59 | case LTTV_STRING: v.dv_string = NULL; break; |
| 60 | case LTTV_GOBJECT: v.dv_gobject = NULL; break; |
| 61 | } |
| 62 | return v; |
| 63 | } |
| 64 | |
| 65 | |
| 66 | unsigned int |
| 67 | lttv_attribute_get_number(LttvAttribute *self) |
| 68 | { |
| 69 | return self->attributes->len; |
| 70 | } |
| 71 | |
| 72 | |
| 73 | gboolean |
| 74 | lttv_attribute_named(LttvAttribute *self, gboolean *homogeneous) |
| 75 | { |
| 76 | *homogeneous = FALSE; |
| 77 | return TRUE; |
| 78 | } |
| 79 | |
| 80 | |
| 81 | LttvAttributeType |
| 82 | lttv_attribute_get(LttvAttribute *self, unsigned i, LttvAttributeName *name, |
| 83 | LttvAttributeValue *v) |
| 84 | { |
| 85 | Attribute *a; |
| 86 | |
| 87 | a = &g_array_index(self->attributes, Attribute, i); |
| 88 | *name = a->name; |
| 89 | *v = address_of_value(a->type, &(a->value)); |
| 90 | return a->type; |
| 91 | } |
| 92 | |
| 93 | |
| 94 | LttvAttributeType |
| 95 | lttv_attribute_get_by_name(LttvAttribute *self, LttvAttributeName name, |
| 96 | LttvAttributeValue *v) |
| 97 | { |
| 98 | Attribute *a; |
| 99 | |
| 100 | unsigned i; |
| 101 | |
| 102 | gpointer p; |
| 103 | |
| 104 | p = g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
| 105 | if(p == NULL) return LTTV_NONE; |
| 106 | |
| 107 | i = GPOINTER_TO_UINT(p); |
| 108 | i--; |
| 109 | a = &g_array_index(self->attributes, Attribute, i); |
| 110 | *v = address_of_value(a->type, &(a->value)); |
| 111 | return a->type; |
| 112 | } |
| 113 | |
| 114 | |
| 115 | LttvAttributeValue |
| 116 | lttv_attribute_add(LttvAttribute *self, LttvAttributeName name, |
| 117 | LttvAttributeType t) |
| 118 | { |
| 119 | unsigned i; |
| 120 | |
| 121 | Attribute a, *pa; |
| 122 | |
| 123 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
| 124 | if(i != 0) g_error("duplicate entry in attribute table"); |
| 125 | |
| 126 | a.name = name; |
| 127 | a.type = t; |
| 128 | a.value = init_value(t); |
| 129 | g_array_append_val(self->attributes, a); |
| 130 | i = self->attributes->len - 1; |
| 131 | pa = &g_array_index(self->attributes, Attribute, i); |
| 132 | g_hash_table_insert(self->names, GUINT_TO_POINTER(name), |
| 133 | GUINT_TO_POINTER(i + 1)); |
| 134 | return address_of_value(t, &(pa->value)); |
| 135 | } |
| 136 | |
| 137 | |
| 138 | /* Remove an attribute */ |
| 139 | |
| 140 | void |
| 141 | lttv_attribute_remove(LttvAttribute *self, unsigned i) |
| 142 | { |
| 143 | Attribute *a; |
| 144 | |
| 145 | a = &g_array_index(self->attributes, Attribute, i); |
| 146 | |
| 147 | /* Remove the array element and its entry in the name index */ |
| 148 | |
| 149 | g_hash_table_remove(self->names, GUINT_TO_POINTER(a->name)); |
| 150 | g_array_remove_index_fast(self->attributes, i); |
| 151 | |
| 152 | /* The element used to replace the removed element has its index entry |
| 153 | all wrong now. Reinsert it with its new position. */ |
| 154 | |
| 155 | if(self->attributes->len != i){ |
| 156 | g_hash_table_remove(self->names, GUINT_TO_POINTER(a->name)); |
| 157 | g_hash_table_insert(self->names, GUINT_TO_POINTER(a->name), GUINT_TO_POINTER(i + 1)); |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | void |
| 162 | lttv_attribute_remove_by_name(LttvAttribute *self, LttvAttributeName name) |
| 163 | { |
| 164 | unsigned i; |
| 165 | |
| 166 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
| 167 | if(i == 0) g_error("remove by name non existent attribute"); |
| 168 | |
| 169 | lttv_attribute_remove(self, i - 1); |
| 170 | } |
| 171 | |
| 172 | /* Create an empty iattribute object and add it as an attribute under the |
| 173 | specified name, or return an existing iattribute attribute. If an |
| 174 | attribute of that name already exists but is not a GObject supporting the |
| 175 | iattribute interface, return NULL. */ |
| 176 | |
| 177 | /*CHECK*/LttvAttribute* |
| 178 | lttv_attribute_find_subdir(LttvAttribute *self, LttvAttributeName name) |
| 179 | { |
| 180 | unsigned i; |
| 181 | |
| 182 | Attribute a; |
| 183 | |
| 184 | LttvAttribute *new; |
| 185 | |
| 186 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
| 187 | if(i != 0) { |
| 188 | a = g_array_index(self->attributes, Attribute, i - 1); |
| 189 | if(a.type == LTTV_GOBJECT && LTTV_IS_IATTRIBUTE(a.value.dv_gobject)) { |
| 190 | return LTTV_ATTRIBUTE(a.value.dv_gobject); |
| 191 | } |
| 192 | else return NULL; |
| 193 | } |
| 194 | new = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
| 195 | *(lttv_attribute_add(self, name, LTTV_GOBJECT).v_gobject) = G_OBJECT(new); |
| 196 | return (LttvAttribute *)new; |
| 197 | } |
| 198 | |
| 199 | gboolean |
| 200 | lttv_attribute_find(LttvAttribute *self, LttvAttributeName name, |
| 201 | LttvAttributeType t, LttvAttributeValue *v) |
| 202 | { |
| 203 | unsigned i; |
| 204 | |
| 205 | Attribute *a; |
| 206 | |
| 207 | i = (unsigned)g_hash_table_lookup(self->names, GUINT_TO_POINTER(name)); |
| 208 | if(i != 0) { |
| 209 | a = &g_array_index(self->attributes, Attribute, i - 1); |
| 210 | if(a->type != t) return FALSE; |
| 211 | *v = address_of_value(t, &(a->value)); |
| 212 | return TRUE; |
| 213 | } |
| 214 | |
| 215 | *v = lttv_attribute_add(self, name, t); |
| 216 | return TRUE; |
| 217 | } |
| 218 | |
| 219 | |
| 220 | void lttv_attribute_recursive_free(LttvAttribute *self) |
| 221 | { |
| 222 | int i, nb; |
| 223 | |
| 224 | Attribute *a; |
| 225 | |
| 226 | nb = self->attributes->len; |
| 227 | |
| 228 | for(i = 0 ; i < nb ; i++) { |
| 229 | a = &g_array_index(self->attributes, Attribute, i); |
| 230 | if(a->type == LTTV_GOBJECT && LTTV_IS_ATTRIBUTE(a->value.dv_gobject)) { |
| 231 | lttv_attribute_recursive_free((LttvAttribute *)(a->value.dv_gobject)); |
| 232 | } |
| 233 | } |
| 234 | g_object_unref(self); |
| 235 | } |
| 236 | |
| 237 | |
| 238 | void lttv_attribute_recursive_add(LttvAttribute *dest, LttvAttribute *src) |
| 239 | { |
| 240 | int i, nb; |
| 241 | |
| 242 | Attribute *a; |
| 243 | |
| 244 | LttvAttributeValue value; |
| 245 | |
| 246 | nb = src->attributes->len; |
| 247 | |
| 248 | for(i = 0 ; i < nb ; i++) { |
| 249 | a = &g_array_index(src->attributes, Attribute, i); |
| 250 | if(a->type == LTTV_GOBJECT && LTTV_IS_ATTRIBUTE(a->value.dv_gobject)) { |
| 251 | lttv_attribute_recursive_add( |
| 252 | /*CHECK*/(LttvAttribute *)lttv_attribute_find_subdir(dest, a->name), |
| 253 | (LttvAttribute *)(a->value.dv_gobject)); |
| 254 | } |
| 255 | else { |
| 256 | g_assert(lttv_attribute_find(dest, a->name, a->type, &value)); |
| 257 | switch(a->type) { |
| 258 | case LTTV_INT: |
| 259 | *value.v_int += a->value.dv_int; |
| 260 | break; |
| 261 | case LTTV_UINT: |
| 262 | *value.v_uint += a->value.dv_uint; |
| 263 | break; |
| 264 | case LTTV_LONG: |
| 265 | *value.v_long += a->value.dv_long; |
| 266 | break; |
| 267 | case LTTV_ULONG: |
| 268 | *value.v_ulong += a->value.dv_ulong; |
| 269 | break; |
| 270 | case LTTV_FLOAT: |
| 271 | *value.v_float += a->value.dv_float; |
| 272 | break; |
| 273 | case LTTV_DOUBLE: |
| 274 | *value.v_double += a->value.dv_double; |
| 275 | break; |
| 276 | case LTTV_TIME: |
| 277 | TimeAdd(*value.v_time, *value.v_time, a->value.dv_time); |
| 278 | break; |
| 279 | case LTTV_POINTER: |
| 280 | break; |
| 281 | case LTTV_STRING: |
| 282 | break; |
| 283 | case LTTV_GOBJECT: |
| 284 | break; |
| 285 | case LTTV_NONE: |
| 286 | break; |
| 287 | } |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | |
| 293 | static void |
| 294 | attribute_interface_init (gpointer g_iface, gpointer iface_data) |
| 295 | { |
| 296 | LttvIAttributeClass *klass = (LttvIAttributeClass *)g_iface; |
| 297 | |
| 298 | klass->get_number = (unsigned int (*) (LttvIAttribute *self)) |
| 299 | lttv_attribute_get_number; |
| 300 | |
| 301 | klass->named = (gboolean (*) (LttvIAttribute *self, gboolean *homogeneous)) |
| 302 | lttv_attribute_named; |
| 303 | |
| 304 | klass->get = (LttvAttributeType (*) (LttvIAttribute *self, unsigned i, |
| 305 | LttvAttributeName *name, LttvAttributeValue *v)) lttv_attribute_get; |
| 306 | |
| 307 | klass->get_by_name = (LttvAttributeType (*) (LttvIAttribute *self, |
| 308 | LttvAttributeName name, LttvAttributeValue *v)) |
| 309 | lttv_attribute_get_by_name; |
| 310 | |
| 311 | klass->add = (LttvAttributeValue (*) (LttvIAttribute *self, |
| 312 | LttvAttributeName name, LttvAttributeType t)) lttv_attribute_add; |
| 313 | |
| 314 | klass->remove = (void (*) (LttvIAttribute *self, unsigned i)) |
| 315 | lttv_attribute_remove; |
| 316 | |
| 317 | klass->remove_by_name = (void (*) (LttvIAttribute *self, |
| 318 | LttvAttributeName name)) lttv_attribute_remove_by_name; |
| 319 | |
| 320 | klass->find_subdir = (LttvIAttribute* (*) (LttvIAttribute *self, |
| 321 | LttvAttributeName name)) lttv_attribute_find_subdir; |
| 322 | } |
| 323 | |
| 324 | |
| 325 | static void |
| 326 | attribute_instance_init (GTypeInstance *instance, gpointer g_class) |
| 327 | { |
| 328 | LttvAttribute *self = (LttvAttribute *)instance; |
| 329 | self->names = g_hash_table_new(g_direct_hash, g_direct_equal); |
| 330 | self->attributes = g_array_new(FALSE, FALSE, sizeof(Attribute)); |
| 331 | } |
| 332 | |
| 333 | |
| 334 | static void |
| 335 | attribute_finalize (LttvAttribute *self) |
| 336 | { |
| 337 | g_hash_table_destroy(self->names); |
| 338 | g_critical("attribute_finalize()"); |
| 339 | g_array_free(self->attributes, TRUE); |
| 340 | G_OBJECT_CLASS(g_type_class_peek_parent( |
| 341 | g_type_class_peek(LTTV_ATTRIBUTE_TYPE)))->finalize(G_OBJECT(self)); |
| 342 | } |
| 343 | |
| 344 | |
| 345 | static void |
| 346 | attribute_class_init (LttvAttributeClass *klass) |
| 347 | { |
| 348 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 349 | |
| 350 | gobject_class->finalize = (void (*)(GObject *self))attribute_finalize; |
| 351 | } |
| 352 | |
| 353 | GType |
| 354 | lttv_attribute_get_type (void) |
| 355 | { |
| 356 | static GType type = 0; |
| 357 | if (type == 0) { |
| 358 | static const GTypeInfo info = { |
| 359 | sizeof (LttvAttributeClass), |
| 360 | NULL, /* base_init */ |
| 361 | NULL, /* base_finalize */ |
| 362 | (GClassInitFunc) attribute_class_init, /* class_init */ |
| 363 | NULL, /* class_finalize */ |
| 364 | NULL, /* class_data */ |
| 365 | sizeof (LttvAttribute), |
| 366 | 0, /* n_preallocs */ |
| 367 | (GInstanceInitFunc) attribute_instance_init /* instance_init */ |
| 368 | }; |
| 369 | |
| 370 | static const GInterfaceInfo iattribute_info = { |
| 371 | (GInterfaceInitFunc) attribute_interface_init, /* interface_init */ |
| 372 | NULL, /* interface_finalize */ |
| 373 | NULL /* interface_data */ |
| 374 | }; |
| 375 | |
| 376 | type = g_type_register_static (G_TYPE_OBJECT, "LttvAttributeType", &info, |
| 377 | 0); |
| 378 | g_type_add_interface_static (type, LTTV_IATTRIBUTE_TYPE, &iattribute_info); |
| 379 | } |
| 380 | return type; |
| 381 | } |
| 382 | |
| 383 | |