The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 1 | /* |
Mathias Agopian | 9857d99 | 2013-04-01 15:17:55 -0700 | [diff] [blame] | 2 | * Copyright 2005 The Android Open Source Project |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 3 | * |
Mathias Agopian | 9857d99 | 2013-04-01 15:17:55 -0700 | [diff] [blame] | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 7 | * |
Mathias Agopian | 9857d99 | 2013-04-01 15:17:55 -0700 | [diff] [blame] | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 15 | */ |
| 16 | |
| 17 | #define LOG_TAG "Vector" |
| 18 | |
| 19 | #include <string.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <stdio.h> |
| 22 | #include <errno.h> |
| 23 | |
| 24 | #include <cutils/log.h> |
| 25 | |
Mathias Agopian | 9857d99 | 2013-04-01 15:17:55 -0700 | [diff] [blame] | 26 | #include "Errors.h" |
| 27 | #include "SharedBuffer.h" |
| 28 | #include "VectorImpl.h" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 29 | |
| 30 | /*****************************************************************************/ |
| 31 | |
| 32 | |
| 33 | namespace android { |
Mathias Agopian | 9857d99 | 2013-04-01 15:17:55 -0700 | [diff] [blame] | 34 | namespace tinyutils { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 35 | |
| 36 | // ---------------------------------------------------------------------------- |
| 37 | |
| 38 | const size_t kMinVectorCapacity = 4; |
| 39 | |
| 40 | static inline size_t max(size_t a, size_t b) { |
| 41 | return a>b ? a : b; |
| 42 | } |
| 43 | |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | |
| 46 | VectorImpl::VectorImpl(size_t itemSize, uint32_t flags) |
| 47 | : mStorage(0), mCount(0), mFlags(flags), mItemSize(itemSize) |
| 48 | { |
| 49 | } |
| 50 | |
| 51 | VectorImpl::VectorImpl(const VectorImpl& rhs) |
| 52 | : mStorage(rhs.mStorage), mCount(rhs.mCount), |
| 53 | mFlags(rhs.mFlags), mItemSize(rhs.mItemSize) |
| 54 | { |
| 55 | if (mStorage) { |
| 56 | SharedBuffer::sharedBuffer(mStorage)->acquire(); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | VectorImpl::~VectorImpl() |
| 61 | { |
Steve Block | ceabb17 | 2012-01-09 18:31:54 +0000 | [diff] [blame] | 62 | ALOG_ASSERT(!mCount, |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 63 | "[%p] " |
| 64 | "subclasses of VectorImpl must call finish_vector()" |
| 65 | " in their destructor. Leaking %d bytes.", |
| 66 | this, (int)(mCount*mItemSize)); |
| 67 | // We can't call _do_destroy() here because the vtable is already gone. |
| 68 | } |
| 69 | |
| 70 | VectorImpl& VectorImpl::operator = (const VectorImpl& rhs) |
| 71 | { |
Steve Block | ceabb17 | 2012-01-09 18:31:54 +0000 | [diff] [blame] | 72 | ALOG_ASSERT(mItemSize == rhs.mItemSize, |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 73 | "Vector<> have different types (this=%p, rhs=%p)", this, &rhs); |
| 74 | if (this != &rhs) { |
| 75 | release_storage(); |
| 76 | if (rhs.mCount) { |
| 77 | mStorage = rhs.mStorage; |
| 78 | mCount = rhs.mCount; |
| 79 | SharedBuffer::sharedBuffer(mStorage)->acquire(); |
| 80 | } else { |
| 81 | mStorage = 0; |
| 82 | mCount = 0; |
| 83 | } |
| 84 | } |
| 85 | return *this; |
| 86 | } |
| 87 | |
| 88 | void* VectorImpl::editArrayImpl() |
| 89 | { |
| 90 | if (mStorage) { |
| 91 | SharedBuffer* sb = SharedBuffer::sharedBuffer(mStorage)->attemptEdit(); |
| 92 | if (sb == 0) { |
| 93 | sb = SharedBuffer::alloc(capacity() * mItemSize); |
| 94 | if (sb) { |
| 95 | _do_copy(sb->data(), mStorage, mCount); |
| 96 | release_storage(); |
| 97 | mStorage = sb->data(); |
| 98 | } |
| 99 | } |
| 100 | } |
| 101 | return mStorage; |
| 102 | } |
| 103 | |
| 104 | size_t VectorImpl::capacity() const |
| 105 | { |
| 106 | if (mStorage) { |
| 107 | return SharedBuffer::sharedBuffer(mStorage)->size() / mItemSize; |
| 108 | } |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | ssize_t VectorImpl::insertVectorAt(const VectorImpl& vector, size_t index) |
| 113 | { |
| 114 | if (index > size()) |
| 115 | return BAD_INDEX; |
| 116 | void* where = _grow(index, vector.size()); |
| 117 | if (where) { |
| 118 | _do_copy(where, vector.arrayImpl(), vector.size()); |
| 119 | } |
| 120 | return where ? index : (ssize_t)NO_MEMORY; |
| 121 | } |
| 122 | |
| 123 | ssize_t VectorImpl::appendVector(const VectorImpl& vector) |
| 124 | { |
| 125 | return insertVectorAt(vector, size()); |
| 126 | } |
| 127 | |
| 128 | ssize_t VectorImpl::insertAt(size_t index, size_t numItems) |
| 129 | { |
| 130 | return insertAt(0, index, numItems); |
| 131 | } |
| 132 | |
| 133 | ssize_t VectorImpl::insertAt(const void* item, size_t index, size_t numItems) |
| 134 | { |
| 135 | if (index > size()) |
| 136 | return BAD_INDEX; |
| 137 | void* where = _grow(index, numItems); |
| 138 | if (where) { |
| 139 | if (item) { |
| 140 | _do_splat(where, item, numItems); |
| 141 | } else { |
| 142 | _do_construct(where, numItems); |
| 143 | } |
| 144 | } |
| 145 | return where ? index : (ssize_t)NO_MEMORY; |
| 146 | } |
| 147 | |
| 148 | void VectorImpl::pop() |
| 149 | { |
| 150 | if (size()) |
| 151 | removeItemsAt(size()-1, 1); |
| 152 | } |
| 153 | |
| 154 | void VectorImpl::push() |
| 155 | { |
| 156 | push(0); |
| 157 | } |
| 158 | |
| 159 | void VectorImpl::push(const void* item) |
| 160 | { |
| 161 | insertAt(item, size()); |
| 162 | } |
| 163 | |
| 164 | ssize_t VectorImpl::add() |
| 165 | { |
| 166 | return add(0); |
| 167 | } |
| 168 | |
| 169 | ssize_t VectorImpl::add(const void* item) |
| 170 | { |
| 171 | return insertAt(item, size()); |
| 172 | } |
| 173 | |
| 174 | ssize_t VectorImpl::replaceAt(size_t index) |
| 175 | { |
| 176 | return replaceAt(0, index); |
| 177 | } |
| 178 | |
| 179 | ssize_t VectorImpl::replaceAt(const void* prototype, size_t index) |
| 180 | { |
Steve Block | ceabb17 | 2012-01-09 18:31:54 +0000 | [diff] [blame] | 181 | ALOG_ASSERT(index<size(), |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 182 | "[%p] replace: index=%d, size=%d", this, (int)index, (int)size()); |
| 183 | |
| 184 | void* item = editItemLocation(index); |
| 185 | if (item == 0) |
| 186 | return NO_MEMORY; |
| 187 | _do_destroy(item, 1); |
| 188 | if (prototype == 0) { |
| 189 | _do_construct(item, 1); |
| 190 | } else { |
| 191 | _do_copy(item, prototype, 1); |
| 192 | } |
| 193 | return ssize_t(index); |
| 194 | } |
| 195 | |
| 196 | ssize_t VectorImpl::removeItemsAt(size_t index, size_t count) |
| 197 | { |
Steve Block | ceabb17 | 2012-01-09 18:31:54 +0000 | [diff] [blame] | 198 | ALOG_ASSERT((index+count)<=size(), |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 199 | "[%p] remove: index=%d, count=%d, size=%d", |
| 200 | this, (int)index, (int)count, (int)size()); |
| 201 | |
| 202 | if ((index+count) > size()) |
| 203 | return BAD_VALUE; |
| 204 | _shrink(index, count); |
| 205 | return index; |
| 206 | } |
| 207 | |
| 208 | void VectorImpl::finish_vector() |
| 209 | { |
| 210 | release_storage(); |
| 211 | mStorage = 0; |
| 212 | mCount = 0; |
| 213 | } |
| 214 | |
| 215 | void VectorImpl::clear() |
| 216 | { |
| 217 | _shrink(0, mCount); |
| 218 | } |
| 219 | |
| 220 | void* VectorImpl::editItemLocation(size_t index) |
| 221 | { |
Steve Block | ceabb17 | 2012-01-09 18:31:54 +0000 | [diff] [blame] | 222 | ALOG_ASSERT(index<capacity(), |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 223 | "[%p] itemLocation: index=%d, capacity=%d, count=%d", |
| 224 | this, (int)index, (int)capacity(), (int)mCount); |
| 225 | |
| 226 | void* buffer = editArrayImpl(); |
| 227 | if (buffer) |
| 228 | return reinterpret_cast<char*>(buffer) + index*mItemSize; |
| 229 | return 0; |
| 230 | } |
| 231 | |
| 232 | const void* VectorImpl::itemLocation(size_t index) const |
| 233 | { |
Steve Block | ceabb17 | 2012-01-09 18:31:54 +0000 | [diff] [blame] | 234 | ALOG_ASSERT(index<capacity(), |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 235 | "[%p] editItemLocation: index=%d, capacity=%d, count=%d", |
| 236 | this, (int)index, (int)capacity(), (int)mCount); |
| 237 | |
| 238 | const void* buffer = arrayImpl(); |
| 239 | if (buffer) |
| 240 | return reinterpret_cast<const char*>(buffer) + index*mItemSize; |
| 241 | return 0; |
| 242 | } |
| 243 | |
| 244 | ssize_t VectorImpl::setCapacity(size_t new_capacity) |
| 245 | { |
| 246 | size_t current_capacity = capacity(); |
| 247 | ssize_t amount = new_capacity - size(); |
| 248 | if (amount <= 0) { |
| 249 | // we can't reduce the capacity |
| 250 | return current_capacity; |
| 251 | } |
| 252 | SharedBuffer* sb = SharedBuffer::alloc(new_capacity * mItemSize); |
| 253 | if (sb) { |
| 254 | void* array = sb->data(); |
| 255 | _do_copy(array, mStorage, size()); |
| 256 | release_storage(); |
| 257 | mStorage = const_cast<void*>(array); |
| 258 | } else { |
| 259 | return NO_MEMORY; |
| 260 | } |
| 261 | return new_capacity; |
| 262 | } |
| 263 | |
| 264 | void VectorImpl::release_storage() |
| 265 | { |
| 266 | if (mStorage) { |
| 267 | const SharedBuffer* sb = SharedBuffer::sharedBuffer(mStorage); |
| 268 | if (sb->release(SharedBuffer::eKeepStorage) == 1) { |
| 269 | _do_destroy(mStorage, mCount); |
| 270 | SharedBuffer::dealloc(sb); |
| 271 | } |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | void* VectorImpl::_grow(size_t where, size_t amount) |
| 276 | { |
Steve Block | 69f4cd7 | 2011-10-20 11:54:09 +0100 | [diff] [blame] | 277 | // ALOGV("_grow(this=%p, where=%d, amount=%d) count=%d, capacity=%d", |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 278 | // this, (int)where, (int)amount, (int)mCount, (int)capacity()); |
| 279 | |
| 280 | if (where > mCount) |
| 281 | where = mCount; |
| 282 | |
| 283 | const size_t new_size = mCount + amount; |
| 284 | if (capacity() < new_size) { |
| 285 | const size_t new_capacity = max(kMinVectorCapacity, ((new_size*3)+1)/2); |
Steve Block | 69f4cd7 | 2011-10-20 11:54:09 +0100 | [diff] [blame] | 286 | // ALOGV("grow vector %p, new_capacity=%d", this, (int)new_capacity); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 287 | if ((mStorage) && |
| 288 | (mCount==where) && |
| 289 | (mFlags & HAS_TRIVIAL_COPY) && |
| 290 | (mFlags & HAS_TRIVIAL_DTOR)) |
| 291 | { |
| 292 | const SharedBuffer* cur_sb = SharedBuffer::sharedBuffer(mStorage); |
| 293 | SharedBuffer* sb = cur_sb->editResize(new_capacity * mItemSize); |
| 294 | mStorage = sb->data(); |
| 295 | } else { |
| 296 | SharedBuffer* sb = SharedBuffer::alloc(new_capacity * mItemSize); |
| 297 | if (sb) { |
| 298 | void* array = sb->data(); |
| 299 | if (where>0) { |
| 300 | _do_copy(array, mStorage, where); |
| 301 | } |
| 302 | if (mCount>where) { |
| 303 | const void* from = reinterpret_cast<const uint8_t *>(mStorage) + where*mItemSize; |
| 304 | void* dest = reinterpret_cast<uint8_t *>(array) + (where+amount)*mItemSize; |
| 305 | _do_copy(dest, from, mCount-where); |
| 306 | } |
| 307 | release_storage(); |
| 308 | mStorage = const_cast<void*>(array); |
| 309 | } |
| 310 | } |
| 311 | } else { |
| 312 | ssize_t s = mCount-where; |
| 313 | if (s>0) { |
| 314 | void* array = editArrayImpl(); |
| 315 | void* to = reinterpret_cast<uint8_t *>(array) + (where+amount)*mItemSize; |
| 316 | const void* from = reinterpret_cast<const uint8_t *>(array) + where*mItemSize; |
| 317 | _do_move_forward(to, from, s); |
| 318 | } |
| 319 | } |
| 320 | mCount += amount; |
| 321 | void* free_space = const_cast<void*>(itemLocation(where)); |
| 322 | return free_space; |
| 323 | } |
| 324 | |
| 325 | void VectorImpl::_shrink(size_t where, size_t amount) |
| 326 | { |
| 327 | if (!mStorage) |
| 328 | return; |
| 329 | |
Steve Block | 69f4cd7 | 2011-10-20 11:54:09 +0100 | [diff] [blame] | 330 | // ALOGV("_shrink(this=%p, where=%d, amount=%d) count=%d, capacity=%d", |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 331 | // this, (int)where, (int)amount, (int)mCount, (int)capacity()); |
| 332 | |
| 333 | if (where >= mCount) |
| 334 | where = mCount - amount; |
| 335 | |
| 336 | const size_t new_size = mCount - amount; |
| 337 | if (new_size*3 < capacity()) { |
| 338 | const size_t new_capacity = max(kMinVectorCapacity, new_size*2); |
Steve Block | 69f4cd7 | 2011-10-20 11:54:09 +0100 | [diff] [blame] | 339 | // ALOGV("shrink vector %p, new_capacity=%d", this, (int)new_capacity); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 340 | if ((where == mCount-amount) && |
| 341 | (mFlags & HAS_TRIVIAL_COPY) && |
| 342 | (mFlags & HAS_TRIVIAL_DTOR)) |
| 343 | { |
| 344 | const SharedBuffer* cur_sb = SharedBuffer::sharedBuffer(mStorage); |
| 345 | SharedBuffer* sb = cur_sb->editResize(new_capacity * mItemSize); |
| 346 | mStorage = sb->data(); |
| 347 | } else { |
| 348 | SharedBuffer* sb = SharedBuffer::alloc(new_capacity * mItemSize); |
| 349 | if (sb) { |
| 350 | void* array = sb->data(); |
| 351 | if (where>0) { |
| 352 | _do_copy(array, mStorage, where); |
| 353 | } |
| 354 | if (mCount > where+amount) { |
| 355 | const void* from = reinterpret_cast<const uint8_t *>(mStorage) + (where+amount)*mItemSize; |
| 356 | void* dest = reinterpret_cast<uint8_t *>(array) + where*mItemSize; |
| 357 | _do_copy(dest, from, mCount-(where+amount)); |
| 358 | } |
| 359 | release_storage(); |
| 360 | mStorage = const_cast<void*>(array); |
| 361 | } |
| 362 | } |
| 363 | } else { |
| 364 | void* array = editArrayImpl(); |
| 365 | void* to = reinterpret_cast<uint8_t *>(array) + where*mItemSize; |
| 366 | _do_destroy(to, amount); |
| 367 | ssize_t s = mCount-(where+amount); |
| 368 | if (s>0) { |
| 369 | const void* from = reinterpret_cast<uint8_t *>(array) + (where+amount)*mItemSize; |
| 370 | _do_move_backward(to, from, s); |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | // adjust the number of items... |
| 375 | mCount -= amount; |
| 376 | } |
| 377 | |
| 378 | size_t VectorImpl::itemSize() const { |
| 379 | return mItemSize; |
| 380 | } |
| 381 | |
| 382 | void VectorImpl::_do_construct(void* storage, size_t num) const |
| 383 | { |
| 384 | if (!(mFlags & HAS_TRIVIAL_CTOR)) { |
| 385 | do_construct(storage, num); |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | void VectorImpl::_do_destroy(void* storage, size_t num) const |
| 390 | { |
| 391 | if (!(mFlags & HAS_TRIVIAL_DTOR)) { |
| 392 | do_destroy(storage, num); |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | void VectorImpl::_do_copy(void* dest, const void* from, size_t num) const |
| 397 | { |
| 398 | if (!(mFlags & HAS_TRIVIAL_COPY)) { |
| 399 | do_copy(dest, from, num); |
| 400 | } else { |
| 401 | memcpy(dest, from, num*itemSize()); |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | void VectorImpl::_do_splat(void* dest, const void* item, size_t num) const { |
| 406 | do_splat(dest, item, num); |
| 407 | } |
| 408 | |
| 409 | void VectorImpl::_do_move_forward(void* dest, const void* from, size_t num) const { |
| 410 | do_move_forward(dest, from, num); |
| 411 | } |
| 412 | |
| 413 | void VectorImpl::_do_move_backward(void* dest, const void* from, size_t num) const { |
| 414 | do_move_backward(dest, from, num); |
| 415 | } |
| 416 | |
| 417 | void VectorImpl::reservedVectorImpl1() { } |
| 418 | void VectorImpl::reservedVectorImpl2() { } |
| 419 | void VectorImpl::reservedVectorImpl3() { } |
| 420 | void VectorImpl::reservedVectorImpl4() { } |
| 421 | void VectorImpl::reservedVectorImpl5() { } |
| 422 | void VectorImpl::reservedVectorImpl6() { } |
| 423 | void VectorImpl::reservedVectorImpl7() { } |
| 424 | void VectorImpl::reservedVectorImpl8() { } |
| 425 | |
| 426 | /*****************************************************************************/ |
| 427 | |
| 428 | SortedVectorImpl::SortedVectorImpl(size_t itemSize, uint32_t flags) |
| 429 | : VectorImpl(itemSize, flags) |
| 430 | { |
| 431 | } |
| 432 | |
| 433 | SortedVectorImpl::SortedVectorImpl(const VectorImpl& rhs) |
| 434 | : VectorImpl(rhs) |
| 435 | { |
| 436 | } |
| 437 | |
| 438 | SortedVectorImpl::~SortedVectorImpl() |
| 439 | { |
| 440 | } |
| 441 | |
| 442 | SortedVectorImpl& SortedVectorImpl::operator = (const SortedVectorImpl& rhs) |
| 443 | { |
| 444 | return static_cast<SortedVectorImpl&>( VectorImpl::operator = (static_cast<const VectorImpl&>(rhs)) ); |
| 445 | } |
| 446 | |
| 447 | ssize_t SortedVectorImpl::indexOf(const void* item) const |
| 448 | { |
| 449 | return _indexOrderOf(item); |
| 450 | } |
| 451 | |
| 452 | size_t SortedVectorImpl::orderOf(const void* item) const |
| 453 | { |
| 454 | size_t o; |
| 455 | _indexOrderOf(item, &o); |
| 456 | return o; |
| 457 | } |
| 458 | |
| 459 | ssize_t SortedVectorImpl::_indexOrderOf(const void* item, size_t* order) const |
| 460 | { |
| 461 | // binary search |
| 462 | ssize_t err = NAME_NOT_FOUND; |
| 463 | ssize_t l = 0; |
| 464 | ssize_t h = size()-1; |
| 465 | ssize_t mid; |
| 466 | const void* a = arrayImpl(); |
| 467 | const size_t s = itemSize(); |
| 468 | while (l <= h) { |
| 469 | mid = l + (h - l)/2; |
| 470 | const void* const curr = reinterpret_cast<const char *>(a) + (mid*s); |
| 471 | const int c = do_compare(curr, item); |
| 472 | if (c == 0) { |
| 473 | err = l = mid; |
| 474 | break; |
| 475 | } else if (c < 0) { |
| 476 | l = mid + 1; |
| 477 | } else { |
| 478 | h = mid - 1; |
| 479 | } |
| 480 | } |
| 481 | if (order) *order = l; |
| 482 | return err; |
| 483 | } |
| 484 | |
| 485 | ssize_t SortedVectorImpl::add(const void* item) |
| 486 | { |
| 487 | size_t order; |
| 488 | ssize_t index = _indexOrderOf(item, &order); |
| 489 | if (index < 0) { |
| 490 | index = VectorImpl::insertAt(item, order, 1); |
| 491 | } else { |
| 492 | index = VectorImpl::replaceAt(item, index); |
| 493 | } |
| 494 | return index; |
| 495 | } |
| 496 | |
| 497 | ssize_t SortedVectorImpl::merge(const VectorImpl& vector) |
| 498 | { |
| 499 | // naive merge... |
| 500 | if (!vector.isEmpty()) { |
| 501 | const void* buffer = vector.arrayImpl(); |
| 502 | const size_t is = itemSize(); |
| 503 | size_t s = vector.size(); |
| 504 | for (size_t i=0 ; i<s ; i++) { |
| 505 | ssize_t err = add( reinterpret_cast<const char*>(buffer) + i*is ); |
| 506 | if (err<0) { |
| 507 | return err; |
| 508 | } |
| 509 | } |
| 510 | } |
| 511 | return NO_ERROR; |
| 512 | } |
| 513 | |
| 514 | ssize_t SortedVectorImpl::merge(const SortedVectorImpl& vector) |
| 515 | { |
| 516 | // we've merging a sorted vector... nice! |
| 517 | ssize_t err = NO_ERROR; |
| 518 | if (!vector.isEmpty()) { |
| 519 | // first take care of the case where the vectors are sorted together |
| 520 | if (do_compare(vector.itemLocation(vector.size()-1), arrayImpl()) <= 0) { |
| 521 | err = VectorImpl::insertVectorAt(static_cast<const VectorImpl&>(vector), 0); |
| 522 | } else if (do_compare(vector.arrayImpl(), itemLocation(size()-1)) >= 0) { |
| 523 | err = VectorImpl::appendVector(static_cast<const VectorImpl&>(vector)); |
| 524 | } else { |
| 525 | // this could be made a little better |
| 526 | err = merge(static_cast<const VectorImpl&>(vector)); |
| 527 | } |
| 528 | } |
| 529 | return err; |
| 530 | } |
| 531 | |
| 532 | ssize_t SortedVectorImpl::remove(const void* item) |
| 533 | { |
| 534 | ssize_t i = indexOf(item); |
| 535 | if (i>=0) { |
| 536 | VectorImpl::removeItemsAt(i, 1); |
| 537 | } |
| 538 | return i; |
| 539 | } |
| 540 | |
| 541 | void SortedVectorImpl::reservedSortedVectorImpl1() { }; |
| 542 | void SortedVectorImpl::reservedSortedVectorImpl2() { }; |
| 543 | void SortedVectorImpl::reservedSortedVectorImpl3() { }; |
| 544 | void SortedVectorImpl::reservedSortedVectorImpl4() { }; |
| 545 | void SortedVectorImpl::reservedSortedVectorImpl5() { }; |
| 546 | void SortedVectorImpl::reservedSortedVectorImpl6() { }; |
| 547 | void SortedVectorImpl::reservedSortedVectorImpl7() { }; |
| 548 | void SortedVectorImpl::reservedSortedVectorImpl8() { }; |
| 549 | |
| 550 | |
| 551 | /*****************************************************************************/ |
| 552 | |
Mathias Agopian | 9857d99 | 2013-04-01 15:17:55 -0700 | [diff] [blame] | 553 | } // namespace tinyutils |
| 554 | } // namespace android |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 555 | |