1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 25 module glib.ArrayG; 26 27 private import glib.ConstructionException; 28 private import glib.Str; 29 private import glib.c.functions; 30 public import glib.c.types; 31 32 33 /** 34 * Contains the public fields of a GArray. 35 */ 36 public class ArrayG 37 { 38 /** the main Gtk struct */ 39 protected GArray* gArray; 40 protected bool ownedRef; 41 42 /** Get the main Gtk struct */ 43 public GArray* getArrayGStruct(bool transferOwnership = false) 44 { 45 if (transferOwnership) 46 ownedRef = false; 47 return gArray; 48 } 49 50 /** the main Gtk struct as a void* */ 51 protected void* getStruct() 52 { 53 return cast(void*)gArray; 54 } 55 56 /** 57 * Sets our main struct and passes it to the parent class. 58 */ 59 public this (GArray* gArray, bool ownedRef = false) 60 { 61 this.gArray = gArray; 62 this.ownedRef = ownedRef; 63 } 64 65 66 /** 67 * Adds @len elements onto the end of the array. 68 * 69 * Params: 70 * data = a pointer to the elements to append to the end of the array 71 * len = the number of elements to append 72 * 73 * Returns: the #GArray 74 */ 75 public ArrayG appendVals(void* data, uint len) 76 { 77 auto __p = g_array_append_vals(gArray, data, len); 78 79 if(__p is null) 80 { 81 return null; 82 } 83 84 return new ArrayG(cast(GArray*) __p); 85 } 86 87 /** 88 * Checks whether @target exists in @array by performing a binary 89 * search based on the given comparison function @compare_func which 90 * get pointers to items as arguments. If the element is found, %TRUE 91 * is returned and the element’s index is returned in @out_match_index 92 * (if non-%NULL). Otherwise, %FALSE is returned and @out_match_index 93 * is undefined. If @target exists multiple times in @array, the index 94 * of the first instance is returned. This search is using a binary 95 * search, so the @array must absolutely be sorted to return a correct 96 * result (if not, the function may produce false-negative). 97 * 98 * This example defines a comparison function and search an element in a #GArray: 99 * |[<!-- language="C" --> 100 * static gint* 101 * cmpint (gconstpointer a, gconstpointer b) 102 * { 103 * const gint *_a = a; 104 * const gint *_b = b; 105 * 106 * return *_a - *_b; 107 * } 108 * ... 109 * gint i = 424242; 110 * guint matched_index; 111 * gboolean result = g_array_binary_search (garray, &i, cmpint, &matched_index); 112 * ... 113 * ]| 114 * 115 * Params: 116 * target = a pointer to the item to look up. 117 * compareFunc = A #GCompareFunc used to locate @target. 118 * outMatchIndex = return location 119 * for the index of the element, if found. 120 * 121 * Returns: %TRUE if @target is one of the elements of @array, %FALSE otherwise. 122 * 123 * Since: 2.62 124 */ 125 public bool binarySearch(void* target, GCompareFunc compareFunc, out uint outMatchIndex) 126 { 127 return g_array_binary_search(gArray, target, compareFunc, &outMatchIndex) != 0; 128 } 129 130 /** 131 * Create a shallow copy of a #GArray. If the array elements consist of 132 * pointers to data, the pointers are copied but the actual data is not. 133 * 134 * Returns: A copy of @array. 135 * 136 * Since: 2.62 137 */ 138 public ArrayG copy() 139 { 140 auto __p = g_array_copy(gArray); 141 142 if(__p is null) 143 { 144 return null; 145 } 146 147 return new ArrayG(cast(GArray*) __p); 148 } 149 150 /** 151 * Frees the memory allocated for the #GArray. If @free_segment is 152 * %TRUE it frees the memory block holding the elements as well. Pass 153 * %FALSE if you want to free the #GArray wrapper but preserve the 154 * underlying array for use elsewhere. If the reference count of 155 * @array is greater than one, the #GArray wrapper is preserved but 156 * the size of @array will be set to zero. 157 * 158 * If array contents point to dynamically-allocated memory, they should 159 * be freed separately if @free_seg is %TRUE and no @clear_func 160 * function has been set for @array. 161 * 162 * This function is not thread-safe. If using a #GArray from multiple 163 * threads, use only the atomic g_array_ref() and g_array_unref() 164 * functions. 165 * 166 * Params: 167 * freeSegment = if %TRUE the actual element data is freed as well 168 * 169 * Returns: the element data if @free_segment is %FALSE, otherwise 170 * %NULL. The element data should be freed using g_free(). 171 */ 172 public string free(bool freeSegment) 173 { 174 auto retStr = g_array_free(gArray, freeSegment); 175 176 scope(exit) Str.freeString(retStr); 177 return Str.toString(retStr); 178 } 179 180 /** 181 * Gets the size of the elements in @array. 182 * 183 * Returns: Size of each element, in bytes 184 * 185 * Since: 2.22 186 */ 187 public uint getElementSize() 188 { 189 return g_array_get_element_size(gArray); 190 } 191 192 /** 193 * Inserts @len elements into a #GArray at the given index. 194 * 195 * If @index_ is greater than the array’s current length, the array is expanded. 196 * The elements between the old end of the array and the newly inserted elements 197 * will be initialised to zero if the array was configured to clear elements; 198 * otherwise their values will be undefined. 199 * 200 * If @index_ is less than the array’s current length, new entries will be 201 * inserted into the array, and the existing entries above @index_ will be moved 202 * upwards. 203 * 204 * @data may be %NULL if (and only if) @len is zero. If @len is zero, this 205 * function is a no-op. 206 * 207 * Params: 208 * index = the index to place the elements at 209 * data = a pointer to the elements to insert 210 * len = the number of elements to insert 211 * 212 * Returns: the #GArray 213 */ 214 public ArrayG insertVals(uint index, void* data, uint len) 215 { 216 auto __p = g_array_insert_vals(gArray, index, data, len); 217 218 if(__p is null) 219 { 220 return null; 221 } 222 223 return new ArrayG(cast(GArray*) __p); 224 } 225 226 /** 227 * Creates a new #GArray with a reference count of 1. 228 * 229 * Params: 230 * zeroTerminated = %TRUE if the array should have an extra element at 231 * the end which is set to 0 232 * clear = %TRUE if #GArray elements should be automatically cleared 233 * to 0 when they are allocated 234 * elementSize = the size of each element in bytes 235 * 236 * Returns: the new #GArray 237 * 238 * Throws: ConstructionException GTK+ fails to create the object. 239 */ 240 public this(bool zeroTerminated, bool clear, uint elementSize) 241 { 242 auto __p = g_array_new(zeroTerminated, clear, elementSize); 243 244 if(__p is null) 245 { 246 throw new ConstructionException("null returned by new"); 247 } 248 249 this(cast(GArray*) __p); 250 } 251 252 /** 253 * Adds @len elements onto the start of the array. 254 * 255 * @data may be %NULL if (and only if) @len is zero. If @len is zero, this 256 * function is a no-op. 257 * 258 * This operation is slower than g_array_append_vals() since the 259 * existing elements in the array have to be moved to make space for 260 * the new elements. 261 * 262 * Params: 263 * data = a pointer to the elements to prepend to the start of the array 264 * len = the number of elements to prepend, which may be zero 265 * 266 * Returns: the #GArray 267 */ 268 public ArrayG prependVals(void* data, uint len) 269 { 270 auto __p = g_array_prepend_vals(gArray, data, len); 271 272 if(__p is null) 273 { 274 return null; 275 } 276 277 return new ArrayG(cast(GArray*) __p); 278 } 279 280 alias doref = ref_; 281 /** 282 * Atomically increments the reference count of @array by one. 283 * This function is thread-safe and may be called from any thread. 284 * 285 * Returns: The passed in #GArray 286 * 287 * Since: 2.22 288 */ 289 public ArrayG ref_() 290 { 291 auto __p = g_array_ref(gArray); 292 293 if(__p is null) 294 { 295 return null; 296 } 297 298 return new ArrayG(cast(GArray*) __p); 299 } 300 301 /** 302 * Removes the element at the given index from a #GArray. The following 303 * elements are moved down one place. 304 * 305 * Params: 306 * index = the index of the element to remove 307 * 308 * Returns: the #GArray 309 */ 310 public ArrayG removeIndex(uint index) 311 { 312 auto __p = g_array_remove_index(gArray, index); 313 314 if(__p is null) 315 { 316 return null; 317 } 318 319 return new ArrayG(cast(GArray*) __p); 320 } 321 322 /** 323 * Removes the element at the given index from a #GArray. The last 324 * element in the array is used to fill in the space, so this function 325 * does not preserve the order of the #GArray. But it is faster than 326 * g_array_remove_index(). 327 * 328 * Params: 329 * index = the index of the element to remove 330 * 331 * Returns: the #GArray 332 */ 333 public ArrayG removeIndexFast(uint index) 334 { 335 auto __p = g_array_remove_index_fast(gArray, index); 336 337 if(__p is null) 338 { 339 return null; 340 } 341 342 return new ArrayG(cast(GArray*) __p); 343 } 344 345 /** 346 * Removes the given number of elements starting at the given index 347 * from a #GArray. The following elements are moved to close the gap. 348 * 349 * Params: 350 * index = the index of the first element to remove 351 * length = the number of elements to remove 352 * 353 * Returns: the #GArray 354 * 355 * Since: 2.4 356 */ 357 public ArrayG removeRange(uint index, uint length) 358 { 359 auto __p = g_array_remove_range(gArray, index, length); 360 361 if(__p is null) 362 { 363 return null; 364 } 365 366 return new ArrayG(cast(GArray*) __p); 367 } 368 369 /** 370 * Sets a function to clear an element of @array. 371 * 372 * The @clear_func will be called when an element in the array 373 * data segment is removed and when the array is freed and data 374 * segment is deallocated as well. @clear_func will be passed a 375 * pointer to the element to clear, rather than the element itself. 376 * 377 * Note that in contrast with other uses of #GDestroyNotify 378 * functions, @clear_func is expected to clear the contents of 379 * the array element it is given, but not free the element itself. 380 * 381 * Params: 382 * clearFunc = a function to clear an element of @array 383 * 384 * Since: 2.32 385 */ 386 public void setClearFunc(GDestroyNotify clearFunc) 387 { 388 g_array_set_clear_func(gArray, clearFunc); 389 } 390 391 /** 392 * Sets the size of the array, expanding it if necessary. If the array 393 * was created with @clear_ set to %TRUE, the new elements are set to 0. 394 * 395 * Params: 396 * length = the new size of the #GArray 397 * 398 * Returns: the #GArray 399 */ 400 public ArrayG setSize(uint length) 401 { 402 auto __p = g_array_set_size(gArray, length); 403 404 if(__p is null) 405 { 406 return null; 407 } 408 409 return new ArrayG(cast(GArray*) __p); 410 } 411 412 /** 413 * Creates a new #GArray with @reserved_size elements preallocated and 414 * a reference count of 1. This avoids frequent reallocation, if you 415 * are going to add many elements to the array. Note however that the 416 * size of the array is still 0. 417 * 418 * Params: 419 * zeroTerminated = %TRUE if the array should have an extra element at 420 * the end with all bits cleared 421 * clear = %TRUE if all bits in the array should be cleared to 0 on 422 * allocation 423 * elementSize = size of each element in the array 424 * reservedSize = number of elements preallocated 425 * 426 * Returns: the new #GArray 427 */ 428 public static ArrayG sizedNew(bool zeroTerminated, bool clear, uint elementSize, uint reservedSize) 429 { 430 auto __p = g_array_sized_new(zeroTerminated, clear, elementSize, reservedSize); 431 432 if(__p is null) 433 { 434 return null; 435 } 436 437 return new ArrayG(cast(GArray*) __p); 438 } 439 440 /** 441 * Sorts a #GArray using @compare_func which should be a qsort()-style 442 * comparison function (returns less than zero for first arg is less 443 * than second arg, zero for equal, greater zero if first arg is 444 * greater than second arg). 445 * 446 * This is guaranteed to be a stable sort since version 2.32. 447 * 448 * Params: 449 * compareFunc = comparison function 450 */ 451 public void sort(GCompareFunc compareFunc) 452 { 453 g_array_sort(gArray, compareFunc); 454 } 455 456 /** 457 * Like g_array_sort(), but the comparison function receives an extra 458 * user data argument. 459 * 460 * This is guaranteed to be a stable sort since version 2.32. 461 * 462 * There used to be a comment here about making the sort stable by 463 * using the addresses of the elements in the comparison function. 464 * This did not actually work, so any such code should be removed. 465 * 466 * Params: 467 * compareFunc = comparison function 468 * userData = data to pass to @compare_func 469 */ 470 public void sortWithData(GCompareDataFunc compareFunc, void* userData) 471 { 472 g_array_sort_with_data(gArray, compareFunc, userData); 473 } 474 475 /** 476 * Frees the data in the array and resets the size to zero, while 477 * the underlying array is preserved for use elsewhere and returned 478 * to the caller. 479 * 480 * If the array was created with the @zero_terminate property 481 * set to %TRUE, the returned data is zero terminated too. 482 * 483 * If array elements contain dynamically-allocated memory, 484 * the array elements should also be freed by the caller. 485 * 486 * A short example of use: 487 * |[<!-- language="C" --> 488 * ... 489 * gpointer data; 490 * gsize data_len; 491 * data = g_array_steal (some_array, &data_len); 492 * ... 493 * ]| 494 * 495 * Params: 496 * len = pointer to retrieve the number of 497 * elements of the original array 498 * 499 * Returns: the element data, which should be 500 * freed using g_free(). 501 * 502 * Since: 2.64 503 */ 504 public void* steal(out size_t len) 505 { 506 return g_array_steal(gArray, &len); 507 } 508 509 /** 510 * Atomically decrements the reference count of @array by one. If the 511 * reference count drops to 0, all memory allocated by the array is 512 * released. This function is thread-safe and may be called from any 513 * thread. 514 * 515 * Since: 2.22 516 */ 517 public void unref() 518 { 519 g_array_unref(gArray); 520 } 521 }