1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 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 7 * 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. 15 */ 16 17 #define LOG_TAG "ResourceType" 18 //#define LOG_NDEBUG 0 19 20 #include <androidfw/ResourceTypes.h> 21 #include <utils/Atomic.h> 22 #include <utils/ByteOrder.h> 23 #include <utils/Debug.h> 24 #include <utils/Log.h> 25 #include <utils/String16.h> 26 #include <utils/String8.h> 27 #include <utils/TextOutput.h> 28 29 #include <stdlib.h> 30 #include <string.h> 31 #include <memory.h> 32 #include <ctype.h> 33 #include <stdint.h> 34 35 #ifndef INT32_MAX 36 #define INT32_MAX ((int32_t)(2147483647)) 37 #endif 38 39 #define POOL_NOISY(x) //x 40 #define XML_NOISY(x) //x 41 #define TABLE_NOISY(x) //x 42 #define TABLE_GETENTRY(x) //x 43 #define TABLE_SUPER_NOISY(x) //x 44 #define LOAD_TABLE_NOISY(x) //x 45 #define TABLE_THEME(x) //x 46 47 namespace android { 48 49 #ifdef HAVE_WINSOCK 50 #undef nhtol 51 #undef htonl 52 53 #ifdef HAVE_LITTLE_ENDIAN 54 #define ntohl(x) ( ((x) << 24) | (((x) >> 24) & 255) | (((x) << 8) & 0xff0000) | (((x) >> 8) & 0xff00) ) 55 #define htonl(x) ntohl(x) 56 #define ntohs(x) ( (((x) << 8) & 0xff00) | (((x) >> 8) & 255) ) 57 #define htons(x) ntohs(x) 58 #else 59 #define ntohl(x) (x) 60 #define htonl(x) (x) 61 #define ntohs(x) (x) 62 #define htons(x) (x) 63 #endif 64 #endif 65 66 #define IDMAP_MAGIC 0x706d6469 67 // size measured in sizeof(uint32_t) 68 #define IDMAP_HEADER_SIZE (ResTable::IDMAP_HEADER_SIZE_BYTES / sizeof(uint32_t)) 69 70 static void printToLogFunc(void* cookie, const char* txt) 71 { 72 ALOGV("%s", txt); 73 } 74 75 // Standard C isspace() is only required to look at the low byte of its input, so 76 // produces incorrect results for UTF-16 characters. For safety's sake, assume that 77 // any high-byte UTF-16 code point is not whitespace. 78 inline int isspace16(char16_t c) { 79 return (c < 0x0080 && isspace(c)); 80 } 81 82 // range checked; guaranteed to NUL-terminate within the stated number of available slots 83 // NOTE: if this truncates the dst string due to running out of space, no attempt is 84 // made to avoid splitting surrogate pairs. 85 static void strcpy16_dtoh(uint16_t* dst, const uint16_t* src, size_t avail) 86 { 87 uint16_t* last = dst + avail - 1; 88 while (*src && (dst < last)) { 89 char16_t s = dtohs(*src); 90 *dst++ = s; 91 src++; 92 } 93 *dst = 0; 94 } 95 96 static status_t validate_chunk(const ResChunk_header* chunk, 97 size_t minSize, 98 const uint8_t* dataEnd, 99 const char* name) 100 { 101 const uint16_t headerSize = dtohs(chunk->headerSize); 102 const uint32_t size = dtohl(chunk->size); 103 104 if (headerSize >= minSize) { 105 if (headerSize <= size) { 106 if (((headerSize|size)&0x3) == 0) { 107 if ((ssize_t)size <= (dataEnd-((const uint8_t*)chunk))) { 108 return NO_ERROR; 109 } 110 ALOGW("%s data size %p extends beyond resource end %p.", 111 name, (void*)size, 112 (void*)(dataEnd-((const uint8_t*)chunk))); 113 return BAD_TYPE; 114 } 115 ALOGW("%s size 0x%x or headerSize 0x%x is not on an integer boundary.", 116 name, (int)size, (int)headerSize); 117 return BAD_TYPE; 118 } 119 ALOGW("%s size %p is smaller than header size %p.", 120 name, (void*)size, (void*)(int)headerSize); 121 return BAD_TYPE; 122 } 123 ALOGW("%s header size %p is too small.", 124 name, (void*)(int)headerSize); 125 return BAD_TYPE; 126 } 127 128 inline void Res_value::copyFrom_dtoh(const Res_value& src) 129 { 130 size = dtohs(src.size); 131 res0 = src.res0; 132 dataType = src.dataType; 133 data = dtohl(src.data); 134 } 135 136 void Res_png_9patch::deviceToFile() 137 { 138 for (int i = 0; i < numXDivs; i++) { 139 xDivs[i] = htonl(xDivs[i]); 140 } 141 for (int i = 0; i < numYDivs; i++) { 142 yDivs[i] = htonl(yDivs[i]); 143 } 144 paddingLeft = htonl(paddingLeft); 145 paddingRight = htonl(paddingRight); 146 paddingTop = htonl(paddingTop); 147 paddingBottom = htonl(paddingBottom); 148 for (int i=0; i<numColors; i++) { 149 colors[i] = htonl(colors[i]); 150 } 151 } 152 153 void Res_png_9patch::fileToDevice() 154 { 155 for (int i = 0; i < numXDivs; i++) { 156 xDivs[i] = ntohl(xDivs[i]); 157 } 158 for (int i = 0; i < numYDivs; i++) { 159 yDivs[i] = ntohl(yDivs[i]); 160 } 161 paddingLeft = ntohl(paddingLeft); 162 paddingRight = ntohl(paddingRight); 163 paddingTop = ntohl(paddingTop); 164 paddingBottom = ntohl(paddingBottom); 165 for (int i=0; i<numColors; i++) { 166 colors[i] = ntohl(colors[i]); 167 } 168 } 169 170 size_t Res_png_9patch::serializedSize() 171 { 172 // The size of this struct is 32 bytes on the 32-bit target system 173 // 4 * int8_t 174 // 4 * int32_t 175 // 3 * pointer 176 return 32 177 + numXDivs * sizeof(int32_t) 178 + numYDivs * sizeof(int32_t) 179 + numColors * sizeof(uint32_t); 180 } 181 182 void* Res_png_9patch::serialize() 183 { 184 // Use calloc since we're going to leave a few holes in the data 185 // and want this to run cleanly under valgrind 186 void* newData = calloc(1, serializedSize()); 187 serialize(newData); 188 return newData; 189 } 190 191 void Res_png_9patch::serialize(void * outData) 192 { 193 char* data = (char*) outData; 194 memmove(data, &wasDeserialized, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 195 memmove(data + 12, &paddingLeft, 16); // copy paddingXXXX 196 data += 32; 197 198 memmove(data, this->xDivs, numXDivs * sizeof(int32_t)); 199 data += numXDivs * sizeof(int32_t); 200 memmove(data, this->yDivs, numYDivs * sizeof(int32_t)); 201 data += numYDivs * sizeof(int32_t); 202 memmove(data, this->colors, numColors * sizeof(uint32_t)); 203 } 204 205 static void deserializeInternal(const void* inData, Res_png_9patch* outData) { 206 char* patch = (char*) inData; 207 if (inData != outData) { 208 memmove(&outData->wasDeserialized, patch, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 209 memmove(&outData->paddingLeft, patch + 12, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 210 } 211 outData->wasDeserialized = true; 212 char* data = (char*)outData; 213 data += sizeof(Res_png_9patch); 214 outData->xDivs = (int32_t*) data; 215 data += outData->numXDivs * sizeof(int32_t); 216 outData->yDivs = (int32_t*) data; 217 data += outData->numYDivs * sizeof(int32_t); 218 outData->colors = (uint32_t*) data; 219 } 220 221 static bool assertIdmapHeader(const uint32_t* map, size_t sizeBytes) 222 { 223 if (sizeBytes < ResTable::IDMAP_HEADER_SIZE_BYTES) { 224 ALOGW("idmap assertion failed: size=%d bytes\n", (int)sizeBytes); 225 return false; 226 } 227 if (*map != htodl(IDMAP_MAGIC)) { // htodl: map data expected to be in correct endianess 228 ALOGW("idmap assertion failed: invalid magic found (is 0x%08x, expected 0x%08x)\n", 229 *map, htodl(IDMAP_MAGIC)); 230 return false; 231 } 232 return true; 233 } 234 235 static status_t idmapLookup(const uint32_t* map, size_t sizeBytes, uint32_t key, uint32_t* outValue) 236 { 237 // see README for details on the format of map 238 if (!assertIdmapHeader(map, sizeBytes)) { 239 return UNKNOWN_ERROR; 240 } 241 map = map + IDMAP_HEADER_SIZE; // skip ahead to data segment 242 // size of data block, in uint32_t 243 const size_t size = (sizeBytes - ResTable::IDMAP_HEADER_SIZE_BYTES) / sizeof(uint32_t); 244 const uint32_t type = Res_GETTYPE(key) + 1; // add one, idmap stores "public" type id 245 const uint32_t entry = Res_GETENTRY(key); 246 const uint32_t typeCount = *map; 247 248 if (type > typeCount) { 249 ALOGW("Resource ID map: type=%d exceeds number of types=%d\n", type, typeCount); 250 return UNKNOWN_ERROR; 251 } 252 if (typeCount > size) { 253 ALOGW("Resource ID map: number of types=%d exceeds size of map=%d\n", typeCount, (int)size); 254 return UNKNOWN_ERROR; 255 } 256 const uint32_t typeOffset = map[type]; 257 if (typeOffset == 0) { 258 *outValue = 0; 259 return NO_ERROR; 260 } 261 if (typeOffset + 1 > size) { 262 ALOGW("Resource ID map: type offset=%d exceeds reasonable value, size of map=%d\n", 263 typeOffset, (int)size); 264 return UNKNOWN_ERROR; 265 } 266 const uint32_t entryCount = map[typeOffset]; 267 const uint32_t entryOffset = map[typeOffset + 1]; 268 if (entryCount == 0 || entry < entryOffset || entry - entryOffset > entryCount - 1) { 269 *outValue = 0; 270 return NO_ERROR; 271 } 272 const uint32_t index = typeOffset + 2 + entry - entryOffset; 273 if (index > size) { 274 ALOGW("Resource ID map: entry index=%d exceeds size of map=%d\n", index, (int)size); 275 *outValue = 0; 276 return NO_ERROR; 277 } 278 *outValue = map[index]; 279 280 return NO_ERROR; 281 } 282 283 static status_t getIdmapPackageId(const uint32_t* map, size_t mapSize, uint32_t *outId) 284 { 285 if (!assertIdmapHeader(map, mapSize)) { 286 return UNKNOWN_ERROR; 287 } 288 const uint32_t* p = map + IDMAP_HEADER_SIZE + 1; 289 while (*p == 0) { 290 ++p; 291 } 292 *outId = (map[*p + IDMAP_HEADER_SIZE + 2] >> 24) & 0x000000ff; 293 return NO_ERROR; 294 } 295 296 Res_png_9patch* Res_png_9patch::deserialize(const void* inData) 297 { 298 if (sizeof(void*) != sizeof(int32_t)) { 299 ALOGE("Cannot deserialize on non 32-bit system\n"); 300 return NULL; 301 } 302 deserializeInternal(inData, (Res_png_9patch*) inData); 303 return (Res_png_9patch*) inData; 304 } 305 306 // -------------------------------------------------------------------- 307 // -------------------------------------------------------------------- 308 // -------------------------------------------------------------------- 309 310 ResStringPool::ResStringPool() 311 : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) 312 { 313 } 314 315 ResStringPool::ResStringPool(const void* data, size_t size, bool copyData) 316 : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) 317 { 318 setTo(data, size, copyData); 319 } 320 321 ResStringPool::~ResStringPool() 322 { 323 uninit(); 324 } 325 326 status_t ResStringPool::setTo(const void* data, size_t size, bool copyData) 327 { 328 if (!data || !size) { 329 return (mError=BAD_TYPE); 330 } 331 332 uninit(); 333 334 const bool notDeviceEndian = htods(0xf0) != 0xf0; 335 336 if (copyData || notDeviceEndian) { 337 mOwnedData = malloc(size); 338 if (mOwnedData == NULL) { 339 return (mError=NO_MEMORY); 340 } 341 memcpy(mOwnedData, data, size); 342 data = mOwnedData; 343 } 344 345 mHeader = (const ResStringPool_header*)data; 346 347 if (notDeviceEndian) { 348 ResStringPool_header* h = const_cast<ResStringPool_header*>(mHeader); 349 h->header.headerSize = dtohs(mHeader->header.headerSize); 350 h->header.type = dtohs(mHeader->header.type); 351 h->header.size = dtohl(mHeader->header.size); 352 h->stringCount = dtohl(mHeader->stringCount); 353 h->styleCount = dtohl(mHeader->styleCount); 354 h->flags = dtohl(mHeader->flags); 355 h->stringsStart = dtohl(mHeader->stringsStart); 356 h->stylesStart = dtohl(mHeader->stylesStart); 357 } 358 359 if (mHeader->header.headerSize > mHeader->header.size 360 || mHeader->header.size > size) { 361 ALOGW("Bad string block: header size %d or total size %d is larger than data size %d\n", 362 (int)mHeader->header.headerSize, (int)mHeader->header.size, (int)size); 363 return (mError=BAD_TYPE); 364 } 365 mSize = mHeader->header.size; 366 mEntries = (const uint32_t*) 367 (((const uint8_t*)data)+mHeader->header.headerSize); 368 369 if (mHeader->stringCount > 0) { 370 if ((mHeader->stringCount*sizeof(uint32_t) < mHeader->stringCount) // uint32 overflow? 371 || (mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))) 372 > size) { 373 ALOGW("Bad string block: entry of %d items extends past data size %d\n", 374 (int)(mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))), 375 (int)size); 376 return (mError=BAD_TYPE); 377 } 378 379 size_t charSize; 380 if (mHeader->flags&ResStringPool_header::UTF8_FLAG) { 381 charSize = sizeof(uint8_t); 382 mCache = (char16_t**)calloc(mHeader->stringCount, sizeof(char16_t**)); 383 } else { 384 charSize = sizeof(char16_t); 385 } 386 387 mStrings = (const void*) 388 (((const uint8_t*)data)+mHeader->stringsStart); 389 if (mHeader->stringsStart >= (mHeader->header.size-sizeof(uint16_t))) { 390 ALOGW("Bad string block: string pool starts at %d, after total size %d\n", 391 (int)mHeader->stringsStart, (int)mHeader->header.size); 392 return (mError=BAD_TYPE); 393 } 394 if (mHeader->styleCount == 0) { 395 mStringPoolSize = 396 (mHeader->header.size-mHeader->stringsStart)/charSize; 397 } else { 398 // check invariant: styles starts before end of data 399 if (mHeader->stylesStart >= (mHeader->header.size-sizeof(uint16_t))) { 400 ALOGW("Bad style block: style block starts at %d past data size of %d\n", 401 (int)mHeader->stylesStart, (int)mHeader->header.size); 402 return (mError=BAD_TYPE); 403 } 404 // check invariant: styles follow the strings 405 if (mHeader->stylesStart <= mHeader->stringsStart) { 406 ALOGW("Bad style block: style block starts at %d, before strings at %d\n", 407 (int)mHeader->stylesStart, (int)mHeader->stringsStart); 408 return (mError=BAD_TYPE); 409 } 410 mStringPoolSize = 411 (mHeader->stylesStart-mHeader->stringsStart)/charSize; 412 } 413 414 // check invariant: stringCount > 0 requires a string pool to exist 415 if (mStringPoolSize == 0) { 416 ALOGW("Bad string block: stringCount is %d but pool size is 0\n", (int)mHeader->stringCount); 417 return (mError=BAD_TYPE); 418 } 419 420 if (notDeviceEndian) { 421 size_t i; 422 uint32_t* e = const_cast<uint32_t*>(mEntries); 423 for (i=0; i<mHeader->stringCount; i++) { 424 e[i] = dtohl(mEntries[i]); 425 } 426 if (!(mHeader->flags&ResStringPool_header::UTF8_FLAG)) { 427 const char16_t* strings = (const char16_t*)mStrings; 428 char16_t* s = const_cast<char16_t*>(strings); 429 for (i=0; i<mStringPoolSize; i++) { 430 s[i] = dtohs(strings[i]); 431 } 432 } 433 } 434 435 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG && 436 ((uint8_t*)mStrings)[mStringPoolSize-1] != 0) || 437 (!mHeader->flags&ResStringPool_header::UTF8_FLAG && 438 ((char16_t*)mStrings)[mStringPoolSize-1] != 0)) { 439 ALOGW("Bad string block: last string is not 0-terminated\n"); 440 return (mError=BAD_TYPE); 441 } 442 } else { 443 mStrings = NULL; 444 mStringPoolSize = 0; 445 } 446 447 if (mHeader->styleCount > 0) { 448 mEntryStyles = mEntries + mHeader->stringCount; 449 // invariant: integer overflow in calculating mEntryStyles 450 if (mEntryStyles < mEntries) { 451 ALOGW("Bad string block: integer overflow finding styles\n"); 452 return (mError=BAD_TYPE); 453 } 454 455 if (((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader) > (int)size) { 456 ALOGW("Bad string block: entry of %d styles extends past data size %d\n", 457 (int)((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader), 458 (int)size); 459 return (mError=BAD_TYPE); 460 } 461 mStyles = (const uint32_t*) 462 (((const uint8_t*)data)+mHeader->stylesStart); 463 if (mHeader->stylesStart >= mHeader->header.size) { 464 ALOGW("Bad string block: style pool starts %d, after total size %d\n", 465 (int)mHeader->stylesStart, (int)mHeader->header.size); 466 return (mError=BAD_TYPE); 467 } 468 mStylePoolSize = 469 (mHeader->header.size-mHeader->stylesStart)/sizeof(uint32_t); 470 471 if (notDeviceEndian) { 472 size_t i; 473 uint32_t* e = const_cast<uint32_t*>(mEntryStyles); 474 for (i=0; i<mHeader->styleCount; i++) { 475 e[i] = dtohl(mEntryStyles[i]); 476 } 477 uint32_t* s = const_cast<uint32_t*>(mStyles); 478 for (i=0; i<mStylePoolSize; i++) { 479 s[i] = dtohl(mStyles[i]); 480 } 481 } 482 483 const ResStringPool_span endSpan = { 484 { htodl(ResStringPool_span::END) }, 485 htodl(ResStringPool_span::END), htodl(ResStringPool_span::END) 486 }; 487 if (memcmp(&mStyles[mStylePoolSize-(sizeof(endSpan)/sizeof(uint32_t))], 488 &endSpan, sizeof(endSpan)) != 0) { 489 ALOGW("Bad string block: last style is not 0xFFFFFFFF-terminated\n"); 490 return (mError=BAD_TYPE); 491 } 492 } else { 493 mEntryStyles = NULL; 494 mStyles = NULL; 495 mStylePoolSize = 0; 496 } 497 498 return (mError=NO_ERROR); 499 } 500 501 status_t ResStringPool::getError() const 502 { 503 return mError; 504 } 505 506 void ResStringPool::uninit() 507 { 508 mError = NO_INIT; 509 if (mOwnedData) { 510 free(mOwnedData); 511 mOwnedData = NULL; 512 } 513 if (mHeader != NULL && mCache != NULL) { 514 for (size_t x = 0; x < mHeader->stringCount; x++) { 515 if (mCache[x] != NULL) { 516 free(mCache[x]); 517 mCache[x] = NULL; 518 } 519 } 520 free(mCache); 521 mCache = NULL; 522 } 523 } 524 525 /** 526 * Strings in UTF-16 format have length indicated by a length encoded in the 527 * stored data. It is either 1 or 2 characters of length data. This allows a 528 * maximum length of 0x7FFFFFF (2147483647 bytes), but if you're storing that 529 * much data in a string, you're abusing them. 530 * 531 * If the high bit is set, then there are two characters or 4 bytes of length 532 * data encoded. In that case, drop the high bit of the first character and 533 * add it together with the next character. 534 */ 535 static inline size_t 536 decodeLength(const char16_t** str) 537 { 538 size_t len = **str; 539 if ((len & 0x8000) != 0) { 540 (*str)++; 541 len = ((len & 0x7FFF) << 16) | **str; 542 } 543 (*str)++; 544 return len; 545 } 546 547 /** 548 * Strings in UTF-8 format have length indicated by a length encoded in the 549 * stored data. It is either 1 or 2 characters of length data. This allows a 550 * maximum length of 0x7FFF (32767 bytes), but you should consider storing 551 * text in another way if you're using that much data in a single string. 552 * 553 * If the high bit is set, then there are two characters or 2 bytes of length 554 * data encoded. In that case, drop the high bit of the first character and 555 * add it together with the next character. 556 */ 557 static inline size_t 558 decodeLength(const uint8_t** str) 559 { 560 size_t len = **str; 561 if ((len & 0x80) != 0) { 562 (*str)++; 563 len = ((len & 0x7F) << 8) | **str; 564 } 565 (*str)++; 566 return len; 567 } 568 569 const uint16_t* ResStringPool::stringAt(size_t idx, size_t* u16len) const 570 { 571 if (mError == NO_ERROR && idx < mHeader->stringCount) { 572 const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; 573 const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); 574 if (off < (mStringPoolSize-1)) { 575 if (!isUTF8) { 576 const char16_t* strings = (char16_t*)mStrings; 577 const char16_t* str = strings+off; 578 579 *u16len = decodeLength(&str); 580 if ((uint32_t)(str+*u16len-strings) < mStringPoolSize) { 581 return str; 582 } else { 583 ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", 584 (int)idx, (int)(str+*u16len-strings), (int)mStringPoolSize); 585 } 586 } else { 587 const uint8_t* strings = (uint8_t*)mStrings; 588 const uint8_t* u8str = strings+off; 589 590 *u16len = decodeLength(&u8str); 591 size_t u8len = decodeLength(&u8str); 592 593 // encLen must be less than 0x7FFF due to encoding. 594 if ((uint32_t)(u8str+u8len-strings) < mStringPoolSize) { 595 AutoMutex lock(mDecodeLock); 596 597 if (mCache[idx] != NULL) { 598 return mCache[idx]; 599 } 600 601 ssize_t actualLen = utf8_to_utf16_length(u8str, u8len); 602 if (actualLen < 0 || (size_t)actualLen != *u16len) { 603 ALOGW("Bad string block: string #%lld decoded length is not correct " 604 "%lld vs %llu\n", 605 (long long)idx, (long long)actualLen, (long long)*u16len); 606 return NULL; 607 } 608 609 char16_t *u16str = (char16_t *)calloc(*u16len+1, sizeof(char16_t)); 610 if (!u16str) { 611 ALOGW("No memory when trying to allocate decode cache for string #%d\n", 612 (int)idx); 613 return NULL; 614 } 615 616 utf8_to_utf16(u8str, u8len, u16str); 617 mCache[idx] = u16str; 618 return u16str; 619 } else { 620 ALOGW("Bad string block: string #%lld extends to %lld, past end at %lld\n", 621 (long long)idx, (long long)(u8str+u8len-strings), 622 (long long)mStringPoolSize); 623 } 624 } 625 } else { 626 ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", 627 (int)idx, (int)(off*sizeof(uint16_t)), 628 (int)(mStringPoolSize*sizeof(uint16_t))); 629 } 630 } 631 return NULL; 632 } 633 634 const char* ResStringPool::string8At(size_t idx, size_t* outLen) const 635 { 636 if (mError == NO_ERROR && idx < mHeader->stringCount) { 637 const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; 638 const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); 639 if (off < (mStringPoolSize-1)) { 640 if (isUTF8) { 641 const uint8_t* strings = (uint8_t*)mStrings; 642 const uint8_t* str = strings+off; 643 *outLen = decodeLength(&str); 644 size_t encLen = decodeLength(&str); 645 if ((uint32_t)(str+encLen-strings) < mStringPoolSize) { 646 return (const char*)str; 647 } else { 648 ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", 649 (int)idx, (int)(str+encLen-strings), (int)mStringPoolSize); 650 } 651 } 652 } else { 653 ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", 654 (int)idx, (int)(off*sizeof(uint16_t)), 655 (int)(mStringPoolSize*sizeof(uint16_t))); 656 } 657 } 658 return NULL; 659 } 660 661 const String8 ResStringPool::string8ObjectAt(size_t idx) const 662 { 663 size_t len; 664 const char *str = (const char*)string8At(idx, &len); 665 if (str != NULL) { 666 return String8(str); 667 } 668 return String8(stringAt(idx, &len)); 669 } 670 671 const ResStringPool_span* ResStringPool::styleAt(const ResStringPool_ref& ref) const 672 { 673 return styleAt(ref.index); 674 } 675 676 const ResStringPool_span* ResStringPool::styleAt(size_t idx) const 677 { 678 if (mError == NO_ERROR && idx < mHeader->styleCount) { 679 const uint32_t off = (mEntryStyles[idx]/sizeof(uint32_t)); 680 if (off < mStylePoolSize) { 681 return (const ResStringPool_span*)(mStyles+off); 682 } else { 683 ALOGW("Bad string block: style #%d entry is at %d, past end at %d\n", 684 (int)idx, (int)(off*sizeof(uint32_t)), 685 (int)(mStylePoolSize*sizeof(uint32_t))); 686 } 687 } 688 return NULL; 689 } 690 691 ssize_t ResStringPool::indexOfString(const char16_t* str, size_t strLen) const 692 { 693 if (mError != NO_ERROR) { 694 return mError; 695 } 696 697 size_t len; 698 699 // TODO optimize searching for UTF-8 strings taking into account 700 // the cache fill to determine when to convert the searched-for 701 // string key to UTF-8. 702 703 if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { 704 // Do a binary search for the string... 705 ssize_t l = 0; 706 ssize_t h = mHeader->stringCount-1; 707 708 ssize_t mid; 709 while (l <= h) { 710 mid = l + (h - l)/2; 711 const char16_t* s = stringAt(mid, &len); 712 int c = s ? strzcmp16(s, len, str, strLen) : -1; 713 POOL_NOISY(printf("Looking for %s, at %s, cmp=%d, l/mid/h=%d/%d/%d\n", 714 String8(str).string(), 715 String8(s).string(), 716 c, (int)l, (int)mid, (int)h)); 717 if (c == 0) { 718 return mid; 719 } else if (c < 0) { 720 l = mid + 1; 721 } else { 722 h = mid - 1; 723 } 724 } 725 } else { 726 // It is unusual to get the ID from an unsorted string block... 727 // most often this happens because we want to get IDs for style 728 // span tags; since those always appear at the end of the string 729 // block, start searching at the back. 730 for (int i=mHeader->stringCount-1; i>=0; i--) { 731 const char16_t* s = stringAt(i, &len); 732 POOL_NOISY(printf("Looking for %s, at %s, i=%d\n", 733 String8(str, strLen).string(), 734 String8(s).string(), 735 i)); 736 if (s && strzcmp16(s, len, str, strLen) == 0) { 737 return i; 738 } 739 } 740 } 741 742 return NAME_NOT_FOUND; 743 } 744 745 size_t ResStringPool::size() const 746 { 747 return (mError == NO_ERROR) ? mHeader->stringCount : 0; 748 } 749 750 size_t ResStringPool::styleCount() const 751 { 752 return (mError == NO_ERROR) ? mHeader->styleCount : 0; 753 } 754 755 size_t ResStringPool::bytes() const 756 { 757 return (mError == NO_ERROR) ? mHeader->header.size : 0; 758 } 759 760 bool ResStringPool::isSorted() const 761 { 762 return (mHeader->flags&ResStringPool_header::SORTED_FLAG)!=0; 763 } 764 765 bool ResStringPool::isUTF8() const 766 { 767 return (mHeader->flags&ResStringPool_header::UTF8_FLAG)!=0; 768 } 769 770 // -------------------------------------------------------------------- 771 // -------------------------------------------------------------------- 772 // -------------------------------------------------------------------- 773 774 ResXMLParser::ResXMLParser(const ResXMLTree& tree) 775 : mTree(tree), mEventCode(BAD_DOCUMENT) 776 { 777 } 778 779 void ResXMLParser::restart() 780 { 781 mCurNode = NULL; 782 mEventCode = mTree.mError == NO_ERROR ? START_DOCUMENT : BAD_DOCUMENT; 783 } 784 const ResStringPool& ResXMLParser::getStrings() const 785 { 786 return mTree.mStrings; 787 } 788 789 ResXMLParser::event_code_t ResXMLParser::getEventType() const 790 { 791 return mEventCode; 792 } 793 794 ResXMLParser::event_code_t ResXMLParser::next() 795 { 796 if (mEventCode == START_DOCUMENT) { 797 mCurNode = mTree.mRootNode; 798 mCurExt = mTree.mRootExt; 799 return (mEventCode=mTree.mRootCode); 800 } else if (mEventCode >= FIRST_CHUNK_CODE) { 801 return nextNode(); 802 } 803 return mEventCode; 804 } 805 806 int32_t ResXMLParser::getCommentID() const 807 { 808 return mCurNode != NULL ? dtohl(mCurNode->comment.index) : -1; 809 } 810 811 const uint16_t* ResXMLParser::getComment(size_t* outLen) const 812 { 813 int32_t id = getCommentID(); 814 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 815 } 816 817 uint32_t ResXMLParser::getLineNumber() const 818 { 819 return mCurNode != NULL ? dtohl(mCurNode->lineNumber) : -1; 820 } 821 822 int32_t ResXMLParser::getTextID() const 823 { 824 if (mEventCode == TEXT) { 825 return dtohl(((const ResXMLTree_cdataExt*)mCurExt)->data.index); 826 } 827 return -1; 828 } 829 830 const uint16_t* ResXMLParser::getText(size_t* outLen) const 831 { 832 int32_t id = getTextID(); 833 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 834 } 835 836 ssize_t ResXMLParser::getTextValue(Res_value* outValue) const 837 { 838 if (mEventCode == TEXT) { 839 outValue->copyFrom_dtoh(((const ResXMLTree_cdataExt*)mCurExt)->typedData); 840 return sizeof(Res_value); 841 } 842 return BAD_TYPE; 843 } 844 845 int32_t ResXMLParser::getNamespacePrefixID() const 846 { 847 if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { 848 return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->prefix.index); 849 } 850 return -1; 851 } 852 853 const uint16_t* ResXMLParser::getNamespacePrefix(size_t* outLen) const 854 { 855 int32_t id = getNamespacePrefixID(); 856 //printf("prefix=%d event=%p\n", id, mEventCode); 857 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 858 } 859 860 int32_t ResXMLParser::getNamespaceUriID() const 861 { 862 if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { 863 return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->uri.index); 864 } 865 return -1; 866 } 867 868 const uint16_t* ResXMLParser::getNamespaceUri(size_t* outLen) const 869 { 870 int32_t id = getNamespaceUriID(); 871 //printf("uri=%d event=%p\n", id, mEventCode); 872 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 873 } 874 875 int32_t ResXMLParser::getElementNamespaceID() const 876 { 877 if (mEventCode == START_TAG) { 878 return dtohl(((const ResXMLTree_attrExt*)mCurExt)->ns.index); 879 } 880 if (mEventCode == END_TAG) { 881 return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->ns.index); 882 } 883 return -1; 884 } 885 886 const uint16_t* ResXMLParser::getElementNamespace(size_t* outLen) const 887 { 888 int32_t id = getElementNamespaceID(); 889 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 890 } 891 892 int32_t ResXMLParser::getElementNameID() const 893 { 894 if (mEventCode == START_TAG) { 895 return dtohl(((const ResXMLTree_attrExt*)mCurExt)->name.index); 896 } 897 if (mEventCode == END_TAG) { 898 return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->name.index); 899 } 900 return -1; 901 } 902 903 const uint16_t* ResXMLParser::getElementName(size_t* outLen) const 904 { 905 int32_t id = getElementNameID(); 906 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 907 } 908 909 size_t ResXMLParser::getAttributeCount() const 910 { 911 if (mEventCode == START_TAG) { 912 return dtohs(((const ResXMLTree_attrExt*)mCurExt)->attributeCount); 913 } 914 return 0; 915 } 916 917 int32_t ResXMLParser::getAttributeNamespaceID(size_t idx) const 918 { 919 if (mEventCode == START_TAG) { 920 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 921 if (idx < dtohs(tag->attributeCount)) { 922 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 923 (((const uint8_t*)tag) 924 + dtohs(tag->attributeStart) 925 + (dtohs(tag->attributeSize)*idx)); 926 return dtohl(attr->ns.index); 927 } 928 } 929 return -2; 930 } 931 932 const uint16_t* ResXMLParser::getAttributeNamespace(size_t idx, size_t* outLen) const 933 { 934 int32_t id = getAttributeNamespaceID(idx); 935 //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); 936 //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id)); 937 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 938 } 939 940 int32_t ResXMLParser::getAttributeNameID(size_t idx) const 941 { 942 if (mEventCode == START_TAG) { 943 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 944 if (idx < dtohs(tag->attributeCount)) { 945 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 946 (((const uint8_t*)tag) 947 + dtohs(tag->attributeStart) 948 + (dtohs(tag->attributeSize)*idx)); 949 return dtohl(attr->name.index); 950 } 951 } 952 return -1; 953 } 954 955 const uint16_t* ResXMLParser::getAttributeName(size_t idx, size_t* outLen) const 956 { 957 int32_t id = getAttributeNameID(idx); 958 //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); 959 //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id)); 960 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 961 } 962 963 uint32_t ResXMLParser::getAttributeNameResID(size_t idx) const 964 { 965 int32_t id = getAttributeNameID(idx); 966 if (id >= 0 && (size_t)id < mTree.mNumResIds) { 967 return dtohl(mTree.mResIds[id]); 968 } 969 return 0; 970 } 971 972 int32_t ResXMLParser::getAttributeValueStringID(size_t idx) const 973 { 974 if (mEventCode == START_TAG) { 975 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 976 if (idx < dtohs(tag->attributeCount)) { 977 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 978 (((const uint8_t*)tag) 979 + dtohs(tag->attributeStart) 980 + (dtohs(tag->attributeSize)*idx)); 981 return dtohl(attr->rawValue.index); 982 } 983 } 984 return -1; 985 } 986 987 const uint16_t* ResXMLParser::getAttributeStringValue(size_t idx, size_t* outLen) const 988 { 989 int32_t id = getAttributeValueStringID(idx); 990 //XML_NOISY(printf("getAttributeValue 0x%x=0x%x\n", idx, id)); 991 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 992 } 993 994 int32_t ResXMLParser::getAttributeDataType(size_t idx) const 995 { 996 if (mEventCode == START_TAG) { 997 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 998 if (idx < dtohs(tag->attributeCount)) { 999 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1000 (((const uint8_t*)tag) 1001 + dtohs(tag->attributeStart) 1002 + (dtohs(tag->attributeSize)*idx)); 1003 return attr->typedValue.dataType; 1004 } 1005 } 1006 return Res_value::TYPE_NULL; 1007 } 1008 1009 int32_t ResXMLParser::getAttributeData(size_t idx) const 1010 { 1011 if (mEventCode == START_TAG) { 1012 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1013 if (idx < dtohs(tag->attributeCount)) { 1014 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1015 (((const uint8_t*)tag) 1016 + dtohs(tag->attributeStart) 1017 + (dtohs(tag->attributeSize)*idx)); 1018 return dtohl(attr->typedValue.data); 1019 } 1020 } 1021 return 0; 1022 } 1023 1024 ssize_t ResXMLParser::getAttributeValue(size_t idx, Res_value* outValue) const 1025 { 1026 if (mEventCode == START_TAG) { 1027 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1028 if (idx < dtohs(tag->attributeCount)) { 1029 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1030 (((const uint8_t*)tag) 1031 + dtohs(tag->attributeStart) 1032 + (dtohs(tag->attributeSize)*idx)); 1033 outValue->copyFrom_dtoh(attr->typedValue); 1034 return sizeof(Res_value); 1035 } 1036 } 1037 return BAD_TYPE; 1038 } 1039 1040 ssize_t ResXMLParser::indexOfAttribute(const char* ns, const char* attr) const 1041 { 1042 String16 nsStr(ns != NULL ? ns : ""); 1043 String16 attrStr(attr); 1044 return indexOfAttribute(ns ? nsStr.string() : NULL, ns ? nsStr.size() : 0, 1045 attrStr.string(), attrStr.size()); 1046 } 1047 1048 ssize_t ResXMLParser::indexOfAttribute(const char16_t* ns, size_t nsLen, 1049 const char16_t* attr, size_t attrLen) const 1050 { 1051 if (mEventCode == START_TAG) { 1052 const size_t N = getAttributeCount(); 1053 for (size_t i=0; i<N; i++) { 1054 size_t curNsLen, curAttrLen; 1055 const char16_t* curNs = getAttributeNamespace(i, &curNsLen); 1056 const char16_t* curAttr = getAttributeName(i, &curAttrLen); 1057 //printf("%d: ns=%p attr=%p curNs=%p curAttr=%p\n", 1058 // i, ns, attr, curNs, curAttr); 1059 //printf(" --> attr=%s, curAttr=%s\n", 1060 // String8(attr).string(), String8(curAttr).string()); 1061 if (attr && curAttr && (strzcmp16(attr, attrLen, curAttr, curAttrLen) == 0)) { 1062 if (ns == NULL) { 1063 if (curNs == NULL) return i; 1064 } else if (curNs != NULL) { 1065 //printf(" --> ns=%s, curNs=%s\n", 1066 // String8(ns).string(), String8(curNs).string()); 1067 if (strzcmp16(ns, nsLen, curNs, curNsLen) == 0) return i; 1068 } 1069 } 1070 } 1071 } 1072 1073 return NAME_NOT_FOUND; 1074 } 1075 1076 ssize_t ResXMLParser::indexOfID() const 1077 { 1078 if (mEventCode == START_TAG) { 1079 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->idIndex); 1080 if (idx > 0) return (idx-1); 1081 } 1082 return NAME_NOT_FOUND; 1083 } 1084 1085 ssize_t ResXMLParser::indexOfClass() const 1086 { 1087 if (mEventCode == START_TAG) { 1088 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->classIndex); 1089 if (idx > 0) return (idx-1); 1090 } 1091 return NAME_NOT_FOUND; 1092 } 1093 1094 ssize_t ResXMLParser::indexOfStyle() const 1095 { 1096 if (mEventCode == START_TAG) { 1097 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->styleIndex); 1098 if (idx > 0) return (idx-1); 1099 } 1100 return NAME_NOT_FOUND; 1101 } 1102 1103 ResXMLParser::event_code_t ResXMLParser::nextNode() 1104 { 1105 if (mEventCode < 0) { 1106 return mEventCode; 1107 } 1108 1109 do { 1110 const ResXMLTree_node* next = (const ResXMLTree_node*) 1111 (((const uint8_t*)mCurNode) + dtohl(mCurNode->header.size)); 1112 //ALOGW("Next node: prev=%p, next=%p\n", mCurNode, next); 1113 1114 if (((const uint8_t*)next) >= mTree.mDataEnd) { 1115 mCurNode = NULL; 1116 return (mEventCode=END_DOCUMENT); 1117 } 1118 1119 if (mTree.validateNode(next) != NO_ERROR) { 1120 mCurNode = NULL; 1121 return (mEventCode=BAD_DOCUMENT); 1122 } 1123 1124 mCurNode = next; 1125 const uint16_t headerSize = dtohs(next->header.headerSize); 1126 const uint32_t totalSize = dtohl(next->header.size); 1127 mCurExt = ((const uint8_t*)next) + headerSize; 1128 size_t minExtSize = 0; 1129 event_code_t eventCode = (event_code_t)dtohs(next->header.type); 1130 switch ((mEventCode=eventCode)) { 1131 case RES_XML_START_NAMESPACE_TYPE: 1132 case RES_XML_END_NAMESPACE_TYPE: 1133 minExtSize = sizeof(ResXMLTree_namespaceExt); 1134 break; 1135 case RES_XML_START_ELEMENT_TYPE: 1136 minExtSize = sizeof(ResXMLTree_attrExt); 1137 break; 1138 case RES_XML_END_ELEMENT_TYPE: 1139 minExtSize = sizeof(ResXMLTree_endElementExt); 1140 break; 1141 case RES_XML_CDATA_TYPE: 1142 minExtSize = sizeof(ResXMLTree_cdataExt); 1143 break; 1144 default: 1145 ALOGW("Unknown XML block: header type %d in node at %d\n", 1146 (int)dtohs(next->header.type), 1147 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader))); 1148 continue; 1149 } 1150 1151 if ((totalSize-headerSize) < minExtSize) { 1152 ALOGW("Bad XML block: header type 0x%x in node at 0x%x has size %d, need %d\n", 1153 (int)dtohs(next->header.type), 1154 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader)), 1155 (int)(totalSize-headerSize), (int)minExtSize); 1156 return (mEventCode=BAD_DOCUMENT); 1157 } 1158 1159 //printf("CurNode=%p, CurExt=%p, headerSize=%d, minExtSize=%d\n", 1160 // mCurNode, mCurExt, headerSize, minExtSize); 1161 1162 return eventCode; 1163 } while (true); 1164 } 1165 1166 void ResXMLParser::getPosition(ResXMLParser::ResXMLPosition* pos) const 1167 { 1168 pos->eventCode = mEventCode; 1169 pos->curNode = mCurNode; 1170 pos->curExt = mCurExt; 1171 } 1172 1173 void ResXMLParser::setPosition(const ResXMLParser::ResXMLPosition& pos) 1174 { 1175 mEventCode = pos.eventCode; 1176 mCurNode = pos.curNode; 1177 mCurExt = pos.curExt; 1178 } 1179 1180 1181 // -------------------------------------------------------------------- 1182 1183 static volatile int32_t gCount = 0; 1184 1185 ResXMLTree::ResXMLTree() 1186 : ResXMLParser(*this) 1187 , mError(NO_INIT), mOwnedData(NULL) 1188 { 1189 //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); 1190 restart(); 1191 } 1192 1193 ResXMLTree::ResXMLTree(const void* data, size_t size, bool copyData) 1194 : ResXMLParser(*this) 1195 , mError(NO_INIT), mOwnedData(NULL) 1196 { 1197 //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); 1198 setTo(data, size, copyData); 1199 } 1200 1201 ResXMLTree::~ResXMLTree() 1202 { 1203 //ALOGI("Destroying ResXMLTree in %p #%d\n", this, android_atomic_dec(&gCount)-1); 1204 uninit(); 1205 } 1206 1207 status_t ResXMLTree::setTo(const void* data, size_t size, bool copyData) 1208 { 1209 uninit(); 1210 mEventCode = START_DOCUMENT; 1211 1212 if (copyData) { 1213 mOwnedData = malloc(size); 1214 if (mOwnedData == NULL) { 1215 return (mError=NO_MEMORY); 1216 } 1217 memcpy(mOwnedData, data, size); 1218 data = mOwnedData; 1219 } 1220 1221 mHeader = (const ResXMLTree_header*)data; 1222 mSize = dtohl(mHeader->header.size); 1223 if (dtohs(mHeader->header.headerSize) > mSize || mSize > size) { 1224 ALOGW("Bad XML block: header size %d or total size %d is larger than data size %d\n", 1225 (int)dtohs(mHeader->header.headerSize), 1226 (int)dtohl(mHeader->header.size), (int)size); 1227 mError = BAD_TYPE; 1228 restart(); 1229 return mError; 1230 } 1231 mDataEnd = ((const uint8_t*)mHeader) + mSize; 1232 1233 mStrings.uninit(); 1234 mRootNode = NULL; 1235 mResIds = NULL; 1236 mNumResIds = 0; 1237 1238 // First look for a couple interesting chunks: the string block 1239 // and first XML node. 1240 const ResChunk_header* chunk = 1241 (const ResChunk_header*)(((const uint8_t*)mHeader) + dtohs(mHeader->header.headerSize)); 1242 const ResChunk_header* lastChunk = chunk; 1243 while (((const uint8_t*)chunk) < (mDataEnd-sizeof(ResChunk_header)) && 1244 ((const uint8_t*)chunk) < (mDataEnd-dtohl(chunk->size))) { 1245 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), mDataEnd, "XML"); 1246 if (err != NO_ERROR) { 1247 mError = err; 1248 goto done; 1249 } 1250 const uint16_t type = dtohs(chunk->type); 1251 const size_t size = dtohl(chunk->size); 1252 XML_NOISY(printf("Scanning @ %p: type=0x%x, size=0x%x\n", 1253 (void*)(((uint32_t)chunk)-((uint32_t)mHeader)), type, size)); 1254 if (type == RES_STRING_POOL_TYPE) { 1255 mStrings.setTo(chunk, size); 1256 } else if (type == RES_XML_RESOURCE_MAP_TYPE) { 1257 mResIds = (const uint32_t*) 1258 (((const uint8_t*)chunk)+dtohs(chunk->headerSize)); 1259 mNumResIds = (dtohl(chunk->size)-dtohs(chunk->headerSize))/sizeof(uint32_t); 1260 } else if (type >= RES_XML_FIRST_CHUNK_TYPE 1261 && type <= RES_XML_LAST_CHUNK_TYPE) { 1262 if (validateNode((const ResXMLTree_node*)chunk) != NO_ERROR) { 1263 mError = BAD_TYPE; 1264 goto done; 1265 } 1266 mCurNode = (const ResXMLTree_node*)lastChunk; 1267 if (nextNode() == BAD_DOCUMENT) { 1268 mError = BAD_TYPE; 1269 goto done; 1270 } 1271 mRootNode = mCurNode; 1272 mRootExt = mCurExt; 1273 mRootCode = mEventCode; 1274 break; 1275 } else { 1276 XML_NOISY(printf("Skipping unknown chunk!\n")); 1277 } 1278 lastChunk = chunk; 1279 chunk = (const ResChunk_header*) 1280 (((const uint8_t*)chunk) + size); 1281 } 1282 1283 if (mRootNode == NULL) { 1284 ALOGW("Bad XML block: no root element node found\n"); 1285 mError = BAD_TYPE; 1286 goto done; 1287 } 1288 1289 mError = mStrings.getError(); 1290 1291 done: 1292 restart(); 1293 return mError; 1294 } 1295 1296 status_t ResXMLTree::getError() const 1297 { 1298 return mError; 1299 } 1300 1301 void ResXMLTree::uninit() 1302 { 1303 mError = NO_INIT; 1304 mStrings.uninit(); 1305 if (mOwnedData) { 1306 free(mOwnedData); 1307 mOwnedData = NULL; 1308 } 1309 restart(); 1310 } 1311 1312 status_t ResXMLTree::validateNode(const ResXMLTree_node* node) const 1313 { 1314 const uint16_t eventCode = dtohs(node->header.type); 1315 1316 status_t err = validate_chunk( 1317 &node->header, sizeof(ResXMLTree_node), 1318 mDataEnd, "ResXMLTree_node"); 1319 1320 if (err >= NO_ERROR) { 1321 // Only perform additional validation on START nodes 1322 if (eventCode != RES_XML_START_ELEMENT_TYPE) { 1323 return NO_ERROR; 1324 } 1325 1326 const uint16_t headerSize = dtohs(node->header.headerSize); 1327 const uint32_t size = dtohl(node->header.size); 1328 const ResXMLTree_attrExt* attrExt = (const ResXMLTree_attrExt*) 1329 (((const uint8_t*)node) + headerSize); 1330 // check for sensical values pulled out of the stream so far... 1331 if ((size >= headerSize + sizeof(ResXMLTree_attrExt)) 1332 && ((void*)attrExt > (void*)node)) { 1333 const size_t attrSize = ((size_t)dtohs(attrExt->attributeSize)) 1334 * dtohs(attrExt->attributeCount); 1335 if ((dtohs(attrExt->attributeStart)+attrSize) <= (size-headerSize)) { 1336 return NO_ERROR; 1337 } 1338 ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1339 (unsigned int)(dtohs(attrExt->attributeStart)+attrSize), 1340 (unsigned int)(size-headerSize)); 1341 } 1342 else { 1343 ALOGW("Bad XML start block: node header size 0x%x, size 0x%x\n", 1344 (unsigned int)headerSize, (unsigned int)size); 1345 } 1346 return BAD_TYPE; 1347 } 1348 1349 return err; 1350 1351 #if 0 1352 const bool isStart = dtohs(node->header.type) == RES_XML_START_ELEMENT_TYPE; 1353 1354 const uint16_t headerSize = dtohs(node->header.headerSize); 1355 const uint32_t size = dtohl(node->header.size); 1356 1357 if (headerSize >= (isStart ? sizeof(ResXMLTree_attrNode) : sizeof(ResXMLTree_node))) { 1358 if (size >= headerSize) { 1359 if (((const uint8_t*)node) <= (mDataEnd-size)) { 1360 if (!isStart) { 1361 return NO_ERROR; 1362 } 1363 if ((((size_t)dtohs(node->attributeSize))*dtohs(node->attributeCount)) 1364 <= (size-headerSize)) { 1365 return NO_ERROR; 1366 } 1367 ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1368 ((int)dtohs(node->attributeSize))*dtohs(node->attributeCount), 1369 (int)(size-headerSize)); 1370 return BAD_TYPE; 1371 } 1372 ALOGW("Bad XML block: node at 0x%x extends beyond data end 0x%x\n", 1373 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), (int)mSize); 1374 return BAD_TYPE; 1375 } 1376 ALOGW("Bad XML block: node at 0x%x header size 0x%x smaller than total size 0x%x\n", 1377 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1378 (int)headerSize, (int)size); 1379 return BAD_TYPE; 1380 } 1381 ALOGW("Bad XML block: node at 0x%x header size 0x%x too small\n", 1382 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1383 (int)headerSize); 1384 return BAD_TYPE; 1385 #endif 1386 } 1387 1388 // -------------------------------------------------------------------- 1389 // -------------------------------------------------------------------- 1390 // -------------------------------------------------------------------- 1391 1392 void ResTable_config::copyFromDeviceNoSwap(const ResTable_config& o) { 1393 const size_t size = dtohl(o.size); 1394 if (size >= sizeof(ResTable_config)) { 1395 *this = o; 1396 } else { 1397 memcpy(this, &o, size); 1398 memset(((uint8_t*)this)+size, 0, sizeof(ResTable_config)-size); 1399 } 1400 } 1401 1402 void ResTable_config::copyFromDtoH(const ResTable_config& o) { 1403 copyFromDeviceNoSwap(o); 1404 size = sizeof(ResTable_config); 1405 mcc = dtohs(mcc); 1406 mnc = dtohs(mnc); 1407 density = dtohs(density); 1408 screenWidth = dtohs(screenWidth); 1409 screenHeight = dtohs(screenHeight); 1410 sdkVersion = dtohs(sdkVersion); 1411 minorVersion = dtohs(minorVersion); 1412 smallestScreenWidthDp = dtohs(smallestScreenWidthDp); 1413 screenWidthDp = dtohs(screenWidthDp); 1414 screenHeightDp = dtohs(screenHeightDp); 1415 } 1416 1417 void ResTable_config::swapHtoD() { 1418 size = htodl(size); 1419 mcc = htods(mcc); 1420 mnc = htods(mnc); 1421 density = htods(density); 1422 screenWidth = htods(screenWidth); 1423 screenHeight = htods(screenHeight); 1424 sdkVersion = htods(sdkVersion); 1425 minorVersion = htods(minorVersion); 1426 smallestScreenWidthDp = htods(smallestScreenWidthDp); 1427 screenWidthDp = htods(screenWidthDp); 1428 screenHeightDp = htods(screenHeightDp); 1429 } 1430 1431 int ResTable_config::compare(const ResTable_config& o) const { 1432 int32_t diff = (int32_t)(imsi - o.imsi); 1433 if (diff != 0) return diff; 1434 diff = (int32_t)(locale - o.locale); 1435 if (diff != 0) return diff; 1436 diff = (int32_t)(screenType - o.screenType); 1437 if (diff != 0) return diff; 1438 diff = (int32_t)(input - o.input); 1439 if (diff != 0) return diff; 1440 diff = (int32_t)(screenSize - o.screenSize); 1441 if (diff != 0) return diff; 1442 diff = (int32_t)(version - o.version); 1443 if (diff != 0) return diff; 1444 diff = (int32_t)(screenLayout - o.screenLayout); 1445 if (diff != 0) return diff; 1446 diff = (int32_t)(uiMode - o.uiMode); 1447 if (diff != 0) return diff; 1448 diff = (int32_t)(smallestScreenWidthDp - o.smallestScreenWidthDp); 1449 if (diff != 0) return diff; 1450 diff = (int32_t)(screenSizeDp - o.screenSizeDp); 1451 return (int)diff; 1452 } 1453 1454 int ResTable_config::compareLogical(const ResTable_config& o) const { 1455 if (mcc != o.mcc) { 1456 return mcc < o.mcc ? -1 : 1; 1457 } 1458 if (mnc != o.mnc) { 1459 return mnc < o.mnc ? -1 : 1; 1460 } 1461 if (language[0] != o.language[0]) { 1462 return language[0] < o.language[0] ? -1 : 1; 1463 } 1464 if (language[1] != o.language[1]) { 1465 return language[1] < o.language[1] ? -1 : 1; 1466 } 1467 if (country[0] != o.country[0]) { 1468 return country[0] < o.country[0] ? -1 : 1; 1469 } 1470 if (country[1] != o.country[1]) { 1471 return country[1] < o.country[1] ? -1 : 1; 1472 } 1473 if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) { 1474 return (screenLayout & MASK_LAYOUTDIR) < (o.screenLayout & MASK_LAYOUTDIR) ? -1 : 1; 1475 } 1476 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1477 return smallestScreenWidthDp < o.smallestScreenWidthDp ? -1 : 1; 1478 } 1479 if (screenWidthDp != o.screenWidthDp) { 1480 return screenWidthDp < o.screenWidthDp ? -1 : 1; 1481 } 1482 if (screenHeightDp != o.screenHeightDp) { 1483 return screenHeightDp < o.screenHeightDp ? -1 : 1; 1484 } 1485 if (screenWidth != o.screenWidth) { 1486 return screenWidth < o.screenWidth ? -1 : 1; 1487 } 1488 if (screenHeight != o.screenHeight) { 1489 return screenHeight < o.screenHeight ? -1 : 1; 1490 } 1491 if (density != o.density) { 1492 return density < o.density ? -1 : 1; 1493 } 1494 if (orientation != o.orientation) { 1495 return orientation < o.orientation ? -1 : 1; 1496 } 1497 if (touchscreen != o.touchscreen) { 1498 return touchscreen < o.touchscreen ? -1 : 1; 1499 } 1500 if (input != o.input) { 1501 return input < o.input ? -1 : 1; 1502 } 1503 if (screenLayout != o.screenLayout) { 1504 return screenLayout < o.screenLayout ? -1 : 1; 1505 } 1506 if (uiMode != o.uiMode) { 1507 return uiMode < o.uiMode ? -1 : 1; 1508 } 1509 if (version != o.version) { 1510 return version < o.version ? -1 : 1; 1511 } 1512 return 0; 1513 } 1514 1515 int ResTable_config::diff(const ResTable_config& o) const { 1516 int diffs = 0; 1517 if (mcc != o.mcc) diffs |= CONFIG_MCC; 1518 if (mnc != o.mnc) diffs |= CONFIG_MNC; 1519 if (locale != o.locale) diffs |= CONFIG_LOCALE; 1520 if (orientation != o.orientation) diffs |= CONFIG_ORIENTATION; 1521 if (density != o.density) diffs |= CONFIG_DENSITY; 1522 if (touchscreen != o.touchscreen) diffs |= CONFIG_TOUCHSCREEN; 1523 if (((inputFlags^o.inputFlags)&(MASK_KEYSHIDDEN|MASK_NAVHIDDEN)) != 0) 1524 diffs |= CONFIG_KEYBOARD_HIDDEN; 1525 if (keyboard != o.keyboard) diffs |= CONFIG_KEYBOARD; 1526 if (navigation != o.navigation) diffs |= CONFIG_NAVIGATION; 1527 if (screenSize != o.screenSize) diffs |= CONFIG_SCREEN_SIZE; 1528 if (version != o.version) diffs |= CONFIG_VERSION; 1529 if (screenLayout != o.screenLayout) diffs |= CONFIG_SCREEN_LAYOUT; 1530 if (uiMode != o.uiMode) diffs |= CONFIG_UI_MODE; 1531 if (smallestScreenWidthDp != o.smallestScreenWidthDp) diffs |= CONFIG_SMALLEST_SCREEN_SIZE; 1532 if (screenSizeDp != o.screenSizeDp) diffs |= CONFIG_SCREEN_SIZE; 1533 return diffs; 1534 } 1535 1536 bool ResTable_config::isMoreSpecificThan(const ResTable_config& o) const { 1537 // The order of the following tests defines the importance of one 1538 // configuration parameter over another. Those tests first are more 1539 // important, trumping any values in those following them. 1540 if (imsi || o.imsi) { 1541 if (mcc != o.mcc) { 1542 if (!mcc) return false; 1543 if (!o.mcc) return true; 1544 } 1545 1546 if (mnc != o.mnc) { 1547 if (!mnc) return false; 1548 if (!o.mnc) return true; 1549 } 1550 } 1551 1552 if (locale || o.locale) { 1553 if (language[0] != o.language[0]) { 1554 if (!language[0]) return false; 1555 if (!o.language[0]) return true; 1556 } 1557 1558 if (country[0] != o.country[0]) { 1559 if (!country[0]) return false; 1560 if (!o.country[0]) return true; 1561 } 1562 } 1563 1564 if (screenLayout || o.screenLayout) { 1565 if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0) { 1566 if (!(screenLayout & MASK_LAYOUTDIR)) return false; 1567 if (!(o.screenLayout & MASK_LAYOUTDIR)) return true; 1568 } 1569 } 1570 1571 if (smallestScreenWidthDp || o.smallestScreenWidthDp) { 1572 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1573 if (!smallestScreenWidthDp) return false; 1574 if (!o.smallestScreenWidthDp) return true; 1575 } 1576 } 1577 1578 if (screenSizeDp || o.screenSizeDp) { 1579 if (screenWidthDp != o.screenWidthDp) { 1580 if (!screenWidthDp) return false; 1581 if (!o.screenWidthDp) return true; 1582 } 1583 1584 if (screenHeightDp != o.screenHeightDp) { 1585 if (!screenHeightDp) return false; 1586 if (!o.screenHeightDp) return true; 1587 } 1588 } 1589 1590 if (screenLayout || o.screenLayout) { 1591 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0) { 1592 if (!(screenLayout & MASK_SCREENSIZE)) return false; 1593 if (!(o.screenLayout & MASK_SCREENSIZE)) return true; 1594 } 1595 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0) { 1596 if (!(screenLayout & MASK_SCREENLONG)) return false; 1597 if (!(o.screenLayout & MASK_SCREENLONG)) return true; 1598 } 1599 } 1600 1601 if (orientation != o.orientation) { 1602 if (!orientation) return false; 1603 if (!o.orientation) return true; 1604 } 1605 1606 if (uiMode || o.uiMode) { 1607 if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0) { 1608 if (!(uiMode & MASK_UI_MODE_TYPE)) return false; 1609 if (!(o.uiMode & MASK_UI_MODE_TYPE)) return true; 1610 } 1611 if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0) { 1612 if (!(uiMode & MASK_UI_MODE_NIGHT)) return false; 1613 if (!(o.uiMode & MASK_UI_MODE_NIGHT)) return true; 1614 } 1615 } 1616 1617 // density is never 'more specific' 1618 // as the default just equals 160 1619 1620 if (touchscreen != o.touchscreen) { 1621 if (!touchscreen) return false; 1622 if (!o.touchscreen) return true; 1623 } 1624 1625 if (input || o.input) { 1626 if (((inputFlags^o.inputFlags) & MASK_KEYSHIDDEN) != 0) { 1627 if (!(inputFlags & MASK_KEYSHIDDEN)) return false; 1628 if (!(o.inputFlags & MASK_KEYSHIDDEN)) return true; 1629 } 1630 1631 if (((inputFlags^o.inputFlags) & MASK_NAVHIDDEN) != 0) { 1632 if (!(inputFlags & MASK_NAVHIDDEN)) return false; 1633 if (!(o.inputFlags & MASK_NAVHIDDEN)) return true; 1634 } 1635 1636 if (keyboard != o.keyboard) { 1637 if (!keyboard) return false; 1638 if (!o.keyboard) return true; 1639 } 1640 1641 if (navigation != o.navigation) { 1642 if (!navigation) return false; 1643 if (!o.navigation) return true; 1644 } 1645 } 1646 1647 if (screenSize || o.screenSize) { 1648 if (screenWidth != o.screenWidth) { 1649 if (!screenWidth) return false; 1650 if (!o.screenWidth) return true; 1651 } 1652 1653 if (screenHeight != o.screenHeight) { 1654 if (!screenHeight) return false; 1655 if (!o.screenHeight) return true; 1656 } 1657 } 1658 1659 if (version || o.version) { 1660 if (sdkVersion != o.sdkVersion) { 1661 if (!sdkVersion) return false; 1662 if (!o.sdkVersion) return true; 1663 } 1664 1665 if (minorVersion != o.minorVersion) { 1666 if (!minorVersion) return false; 1667 if (!o.minorVersion) return true; 1668 } 1669 } 1670 return false; 1671 } 1672 1673 bool ResTable_config::isBetterThan(const ResTable_config& o, 1674 const ResTable_config* requested) const { 1675 if (requested) { 1676 if (imsi || o.imsi) { 1677 if ((mcc != o.mcc) && requested->mcc) { 1678 return (mcc); 1679 } 1680 1681 if ((mnc != o.mnc) && requested->mnc) { 1682 return (mnc); 1683 } 1684 } 1685 1686 if (locale || o.locale) { 1687 if ((language[0] != o.language[0]) && requested->language[0]) { 1688 return (language[0]); 1689 } 1690 1691 if ((country[0] != o.country[0]) && requested->country[0]) { 1692 return (country[0]); 1693 } 1694 } 1695 1696 if (screenLayout || o.screenLayout) { 1697 if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0 1698 && (requested->screenLayout & MASK_LAYOUTDIR)) { 1699 int myLayoutDir = screenLayout & MASK_LAYOUTDIR; 1700 int oLayoutDir = o.screenLayout & MASK_LAYOUTDIR; 1701 return (myLayoutDir > oLayoutDir); 1702 } 1703 } 1704 1705 if (smallestScreenWidthDp || o.smallestScreenWidthDp) { 1706 // The configuration closest to the actual size is best. 1707 // We assume that larger configs have already been filtered 1708 // out at this point. That means we just want the largest one. 1709 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1710 return smallestScreenWidthDp > o.smallestScreenWidthDp; 1711 } 1712 } 1713 1714 if (screenSizeDp || o.screenSizeDp) { 1715 // "Better" is based on the sum of the difference between both 1716 // width and height from the requested dimensions. We are 1717 // assuming the invalid configs (with smaller dimens) have 1718 // already been filtered. Note that if a particular dimension 1719 // is unspecified, we will end up with a large value (the 1720 // difference between 0 and the requested dimension), which is 1721 // good since we will prefer a config that has specified a 1722 // dimension value. 1723 int myDelta = 0, otherDelta = 0; 1724 if (requested->screenWidthDp) { 1725 myDelta += requested->screenWidthDp - screenWidthDp; 1726 otherDelta += requested->screenWidthDp - o.screenWidthDp; 1727 } 1728 if (requested->screenHeightDp) { 1729 myDelta += requested->screenHeightDp - screenHeightDp; 1730 otherDelta += requested->screenHeightDp - o.screenHeightDp; 1731 } 1732 //ALOGI("Comparing this %dx%d to other %dx%d in %dx%d: myDelta=%d otherDelta=%d", 1733 // screenWidthDp, screenHeightDp, o.screenWidthDp, o.screenHeightDp, 1734 // requested->screenWidthDp, requested->screenHeightDp, myDelta, otherDelta); 1735 if (myDelta != otherDelta) { 1736 return myDelta < otherDelta; 1737 } 1738 } 1739 1740 if (screenLayout || o.screenLayout) { 1741 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0 1742 && (requested->screenLayout & MASK_SCREENSIZE)) { 1743 // A little backwards compatibility here: undefined is 1744 // considered equivalent to normal. But only if the 1745 // requested size is at least normal; otherwise, small 1746 // is better than the default. 1747 int mySL = (screenLayout & MASK_SCREENSIZE); 1748 int oSL = (o.screenLayout & MASK_SCREENSIZE); 1749 int fixedMySL = mySL; 1750 int fixedOSL = oSL; 1751 if ((requested->screenLayout & MASK_SCREENSIZE) >= SCREENSIZE_NORMAL) { 1752 if (fixedMySL == 0) fixedMySL = SCREENSIZE_NORMAL; 1753 if (fixedOSL == 0) fixedOSL = SCREENSIZE_NORMAL; 1754 } 1755 // For screen size, the best match is the one that is 1756 // closest to the requested screen size, but not over 1757 // (the not over part is dealt with in match() below). 1758 if (fixedMySL == fixedOSL) { 1759 // If the two are the same, but 'this' is actually 1760 // undefined, then the other is really a better match. 1761 if (mySL == 0) return false; 1762 return true; 1763 } 1764 if (fixedMySL != fixedOSL) { 1765 return fixedMySL > fixedOSL; 1766 } 1767 } 1768 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0 1769 && (requested->screenLayout & MASK_SCREENLONG)) { 1770 return (screenLayout & MASK_SCREENLONG); 1771 } 1772 } 1773 1774 if ((orientation != o.orientation) && requested->orientation) { 1775 return (orientation); 1776 } 1777 1778 if (uiMode || o.uiMode) { 1779 if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0 1780 && (requested->uiMode & MASK_UI_MODE_TYPE)) { 1781 return (uiMode & MASK_UI_MODE_TYPE); 1782 } 1783 if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0 1784 && (requested->uiMode & MASK_UI_MODE_NIGHT)) { 1785 return (uiMode & MASK_UI_MODE_NIGHT); 1786 } 1787 } 1788 1789 if (screenType || o.screenType) { 1790 if (density != o.density) { 1791 // density is tough. Any density is potentially useful 1792 // because the system will scale it. Scaling down 1793 // is generally better than scaling up. 1794 // Default density counts as 160dpi (the system default) 1795 // TODO - remove 160 constants 1796 int h = (density?density:160); 1797 int l = (o.density?o.density:160); 1798 bool bImBigger = true; 1799 if (l > h) { 1800 int t = h; 1801 h = l; 1802 l = t; 1803 bImBigger = false; 1804 } 1805 1806 int reqValue = (requested->density?requested->density:160); 1807 if (reqValue >= h) { 1808 // requested value higher than both l and h, give h 1809 return bImBigger; 1810 } 1811 if (l >= reqValue) { 1812 // requested value lower than both l and h, give l 1813 return !bImBigger; 1814 } 1815 // saying that scaling down is 2x better than up 1816 if (((2 * l) - reqValue) * h > reqValue * reqValue) { 1817 return !bImBigger; 1818 } else { 1819 return bImBigger; 1820 } 1821 } 1822 1823 if ((touchscreen != o.touchscreen) && requested->touchscreen) { 1824 return (touchscreen); 1825 } 1826 } 1827 1828 if (input || o.input) { 1829 const int keysHidden = inputFlags & MASK_KEYSHIDDEN; 1830 const int oKeysHidden = o.inputFlags & MASK_KEYSHIDDEN; 1831 if (keysHidden != oKeysHidden) { 1832 const int reqKeysHidden = 1833 requested->inputFlags & MASK_KEYSHIDDEN; 1834 if (reqKeysHidden) { 1835 1836 if (!keysHidden) return false; 1837 if (!oKeysHidden) return true; 1838 // For compatibility, we count KEYSHIDDEN_NO as being 1839 // the same as KEYSHIDDEN_SOFT. Here we disambiguate 1840 // these by making an exact match more specific. 1841 if (reqKeysHidden == keysHidden) return true; 1842 if (reqKeysHidden == oKeysHidden) return false; 1843 } 1844 } 1845 1846 const int navHidden = inputFlags & MASK_NAVHIDDEN; 1847 const int oNavHidden = o.inputFlags & MASK_NAVHIDDEN; 1848 if (navHidden != oNavHidden) { 1849 const int reqNavHidden = 1850 requested->inputFlags & MASK_NAVHIDDEN; 1851 if (reqNavHidden) { 1852 1853 if (!navHidden) return false; 1854 if (!oNavHidden) return true; 1855 } 1856 } 1857 1858 if ((keyboard != o.keyboard) && requested->keyboard) { 1859 return (keyboard); 1860 } 1861 1862 if ((navigation != o.navigation) && requested->navigation) { 1863 return (navigation); 1864 } 1865 } 1866 1867 if (screenSize || o.screenSize) { 1868 // "Better" is based on the sum of the difference between both 1869 // width and height from the requested dimensions. We are 1870 // assuming the invalid configs (with smaller sizes) have 1871 // already been filtered. Note that if a particular dimension 1872 // is unspecified, we will end up with a large value (the 1873 // difference between 0 and the requested dimension), which is 1874 // good since we will prefer a config that has specified a 1875 // size value. 1876 int myDelta = 0, otherDelta = 0; 1877 if (requested->screenWidth) { 1878 myDelta += requested->screenWidth - screenWidth; 1879 otherDelta += requested->screenWidth - o.screenWidth; 1880 } 1881 if (requested->screenHeight) { 1882 myDelta += requested->screenHeight - screenHeight; 1883 otherDelta += requested->screenHeight - o.screenHeight; 1884 } 1885 if (myDelta != otherDelta) { 1886 return myDelta < otherDelta; 1887 } 1888 } 1889 1890 if (version || o.version) { 1891 if ((sdkVersion != o.sdkVersion) && requested->sdkVersion) { 1892 return (sdkVersion > o.sdkVersion); 1893 } 1894 1895 if ((minorVersion != o.minorVersion) && 1896 requested->minorVersion) { 1897 return (minorVersion); 1898 } 1899 } 1900 1901 return false; 1902 } 1903 return isMoreSpecificThan(o); 1904 } 1905 1906 bool ResTable_config::match(const ResTable_config& settings) const { 1907 if (imsi != 0) { 1908 if (mcc != 0 && mcc != settings.mcc) { 1909 return false; 1910 } 1911 if (mnc != 0 && mnc != settings.mnc) { 1912 return false; 1913 } 1914 } 1915 if (locale != 0) { 1916 if (language[0] != 0 1917 && (language[0] != settings.language[0] 1918 || language[1] != settings.language[1])) { 1919 return false; 1920 } 1921 if (country[0] != 0 1922 && (country[0] != settings.country[0] 1923 || country[1] != settings.country[1])) { 1924 return false; 1925 } 1926 } 1927 if (screenConfig != 0) { 1928 const int layoutDir = screenLayout&MASK_LAYOUTDIR; 1929 const int setLayoutDir = settings.screenLayout&MASK_LAYOUTDIR; 1930 if (layoutDir != 0 && layoutDir != setLayoutDir) { 1931 return false; 1932 } 1933 1934 const int screenSize = screenLayout&MASK_SCREENSIZE; 1935 const int setScreenSize = settings.screenLayout&MASK_SCREENSIZE; 1936 // Any screen sizes for larger screens than the setting do not 1937 // match. 1938 if (screenSize != 0 && screenSize > setScreenSize) { 1939 return false; 1940 } 1941 1942 const int screenLong = screenLayout&MASK_SCREENLONG; 1943 const int setScreenLong = settings.screenLayout&MASK_SCREENLONG; 1944 if (screenLong != 0 && screenLong != setScreenLong) { 1945 return false; 1946 } 1947 1948 const int uiModeType = uiMode&MASK_UI_MODE_TYPE; 1949 const int setUiModeType = settings.uiMode&MASK_UI_MODE_TYPE; 1950 if (uiModeType != 0 && uiModeType != setUiModeType) { 1951 return false; 1952 } 1953 1954 const int uiModeNight = uiMode&MASK_UI_MODE_NIGHT; 1955 const int setUiModeNight = settings.uiMode&MASK_UI_MODE_NIGHT; 1956 if (uiModeNight != 0 && uiModeNight != setUiModeNight) { 1957 return false; 1958 } 1959 1960 if (smallestScreenWidthDp != 0 1961 && smallestScreenWidthDp > settings.smallestScreenWidthDp) { 1962 return false; 1963 } 1964 } 1965 if (screenSizeDp != 0) { 1966 if (screenWidthDp != 0 && screenWidthDp > settings.screenWidthDp) { 1967 //ALOGI("Filtering out width %d in requested %d", screenWidthDp, settings.screenWidthDp); 1968 return false; 1969 } 1970 if (screenHeightDp != 0 && screenHeightDp > settings.screenHeightDp) { 1971 //ALOGI("Filtering out height %d in requested %d", screenHeightDp, settings.screenHeightDp); 1972 return false; 1973 } 1974 } 1975 if (screenType != 0) { 1976 if (orientation != 0 && orientation != settings.orientation) { 1977 return false; 1978 } 1979 // density always matches - we can scale it. See isBetterThan 1980 if (touchscreen != 0 && touchscreen != settings.touchscreen) { 1981 return false; 1982 } 1983 } 1984 if (input != 0) { 1985 const int keysHidden = inputFlags&MASK_KEYSHIDDEN; 1986 const int setKeysHidden = settings.inputFlags&MASK_KEYSHIDDEN; 1987 if (keysHidden != 0 && keysHidden != setKeysHidden) { 1988 // For compatibility, we count a request for KEYSHIDDEN_NO as also 1989 // matching the more recent KEYSHIDDEN_SOFT. Basically 1990 // KEYSHIDDEN_NO means there is some kind of keyboard available. 1991 //ALOGI("Matching keysHidden: have=%d, config=%d\n", keysHidden, setKeysHidden); 1992 if (keysHidden != KEYSHIDDEN_NO || setKeysHidden != KEYSHIDDEN_SOFT) { 1993 //ALOGI("No match!"); 1994 return false; 1995 } 1996 } 1997 const int navHidden = inputFlags&MASK_NAVHIDDEN; 1998 const int setNavHidden = settings.inputFlags&MASK_NAVHIDDEN; 1999 if (navHidden != 0 && navHidden != setNavHidden) { 2000 return false; 2001 } 2002 if (keyboard != 0 && keyboard != settings.keyboard) { 2003 return false; 2004 } 2005 if (navigation != 0 && navigation != settings.navigation) { 2006 return false; 2007 } 2008 } 2009 if (screenSize != 0) { 2010 if (screenWidth != 0 && screenWidth > settings.screenWidth) { 2011 return false; 2012 } 2013 if (screenHeight != 0 && screenHeight > settings.screenHeight) { 2014 return false; 2015 } 2016 } 2017 if (version != 0) { 2018 if (sdkVersion != 0 && sdkVersion > settings.sdkVersion) { 2019 return false; 2020 } 2021 if (minorVersion != 0 && minorVersion != settings.minorVersion) { 2022 return false; 2023 } 2024 } 2025 return true; 2026 } 2027 2028 void ResTable_config::getLocale(char str[6]) const { 2029 memset(str, 0, 6); 2030 if (language[0]) { 2031 str[0] = language[0]; 2032 str[1] = language[1]; 2033 if (country[0]) { 2034 str[2] = '_'; 2035 str[3] = country[0]; 2036 str[4] = country[1]; 2037 } 2038 } 2039 } 2040 2041 String8 ResTable_config::toString() const { 2042 String8 res; 2043 2044 if (mcc != 0) { 2045 if (res.size() > 0) res.append("-"); 2046 res.appendFormat("%dmcc", dtohs(mcc)); 2047 } 2048 if (mnc != 0) { 2049 if (res.size() > 0) res.append("-"); 2050 res.appendFormat("%dmnc", dtohs(mnc)); 2051 } 2052 if (language[0] != 0) { 2053 if (res.size() > 0) res.append("-"); 2054 res.append(language, 2); 2055 } 2056 if (country[0] != 0) { 2057 if (res.size() > 0) res.append("-"); 2058 res.append(country, 2); 2059 } 2060 if ((screenLayout&MASK_LAYOUTDIR) != 0) { 2061 if (res.size() > 0) res.append("-"); 2062 switch (screenLayout&ResTable_config::MASK_LAYOUTDIR) { 2063 case ResTable_config::LAYOUTDIR_LTR: 2064 res.append("ldltr"); 2065 break; 2066 case ResTable_config::LAYOUTDIR_RTL: 2067 res.append("ldrtl"); 2068 break; 2069 default: 2070 res.appendFormat("layoutDir=%d", 2071 dtohs(screenLayout&ResTable_config::MASK_LAYOUTDIR)); 2072 break; 2073 } 2074 } 2075 if (smallestScreenWidthDp != 0) { 2076 if (res.size() > 0) res.append("-"); 2077 res.appendFormat("sw%ddp", dtohs(smallestScreenWidthDp)); 2078 } 2079 if (screenWidthDp != 0) { 2080 if (res.size() > 0) res.append("-"); 2081 res.appendFormat("w%ddp", dtohs(screenWidthDp)); 2082 } 2083 if (screenHeightDp != 0) { 2084 if (res.size() > 0) res.append("-"); 2085 res.appendFormat("h%ddp", dtohs(screenHeightDp)); 2086 } 2087 if ((screenLayout&MASK_SCREENSIZE) != SCREENSIZE_ANY) { 2088 if (res.size() > 0) res.append("-"); 2089 switch (screenLayout&ResTable_config::MASK_SCREENSIZE) { 2090 case ResTable_config::SCREENSIZE_SMALL: 2091 res.append("small"); 2092 break; 2093 case ResTable_config::SCREENSIZE_NORMAL: 2094 res.append("normal"); 2095 break; 2096 case ResTable_config::SCREENSIZE_LARGE: 2097 res.append("large"); 2098 break; 2099 case ResTable_config::SCREENSIZE_XLARGE: 2100 res.append("xlarge"); 2101 break; 2102 default: 2103 res.appendFormat("screenLayoutSize=%d", 2104 dtohs(screenLayout&ResTable_config::MASK_SCREENSIZE)); 2105 break; 2106 } 2107 } 2108 if ((screenLayout&MASK_SCREENLONG) != 0) { 2109 if (res.size() > 0) res.append("-"); 2110 switch (screenLayout&ResTable_config::MASK_SCREENLONG) { 2111 case ResTable_config::SCREENLONG_NO: 2112 res.append("notlong"); 2113 break; 2114 case ResTable_config::SCREENLONG_YES: 2115 res.append("long"); 2116 break; 2117 default: 2118 res.appendFormat("screenLayoutLong=%d", 2119 dtohs(screenLayout&ResTable_config::MASK_SCREENLONG)); 2120 break; 2121 } 2122 } 2123 if (orientation != ORIENTATION_ANY) { 2124 if (res.size() > 0) res.append("-"); 2125 switch (orientation) { 2126 case ResTable_config::ORIENTATION_PORT: 2127 res.append("port"); 2128 break; 2129 case ResTable_config::ORIENTATION_LAND: 2130 res.append("land"); 2131 break; 2132 case ResTable_config::ORIENTATION_SQUARE: 2133 res.append("square"); 2134 break; 2135 default: 2136 res.appendFormat("orientation=%d", dtohs(orientation)); 2137 break; 2138 } 2139 } 2140 if ((uiMode&MASK_UI_MODE_TYPE) != UI_MODE_TYPE_ANY) { 2141 if (res.size() > 0) res.append("-"); 2142 switch (uiMode&ResTable_config::MASK_UI_MODE_TYPE) { 2143 case ResTable_config::UI_MODE_TYPE_DESK: 2144 res.append("desk"); 2145 break; 2146 case ResTable_config::UI_MODE_TYPE_CAR: 2147 res.append("car"); 2148 break; 2149 case ResTable_config::UI_MODE_TYPE_TELEVISION: 2150 res.append("television"); 2151 break; 2152 case ResTable_config::UI_MODE_TYPE_APPLIANCE: 2153 res.append("appliance"); 2154 break; 2155 default: 2156 res.appendFormat("uiModeType=%d", 2157 dtohs(screenLayout&ResTable_config::MASK_UI_MODE_TYPE)); 2158 break; 2159 } 2160 } 2161 if ((uiMode&MASK_UI_MODE_NIGHT) != 0) { 2162 if (res.size() > 0) res.append("-"); 2163 switch (uiMode&ResTable_config::MASK_UI_MODE_NIGHT) { 2164 case ResTable_config::UI_MODE_NIGHT_NO: 2165 res.append("notnight"); 2166 break; 2167 case ResTable_config::UI_MODE_NIGHT_YES: 2168 res.append("night"); 2169 break; 2170 default: 2171 res.appendFormat("uiModeNight=%d", 2172 dtohs(uiMode&MASK_UI_MODE_NIGHT)); 2173 break; 2174 } 2175 } 2176 if (density != DENSITY_DEFAULT) { 2177 if (res.size() > 0) res.append("-"); 2178 switch (density) { 2179 case ResTable_config::DENSITY_LOW: 2180 res.append("ldpi"); 2181 break; 2182 case ResTable_config::DENSITY_MEDIUM: 2183 res.append("mdpi"); 2184 break; 2185 case ResTable_config::DENSITY_TV: 2186 res.append("tvdpi"); 2187 break; 2188 case ResTable_config::DENSITY_HIGH: 2189 res.append("hdpi"); 2190 break; 2191 case ResTable_config::DENSITY_XHIGH: 2192 res.append("xhdpi"); 2193 break; 2194 case ResTable_config::DENSITY_XXHIGH: 2195 res.append("xxhdpi"); 2196 break; 2197 case ResTable_config::DENSITY_NONE: 2198 res.append("nodpi"); 2199 break; 2200 default: 2201 res.appendFormat("%ddpi", dtohs(density)); 2202 break; 2203 } 2204 } 2205 if (touchscreen != TOUCHSCREEN_ANY) { 2206 if (res.size() > 0) res.append("-"); 2207 switch (touchscreen) { 2208 case ResTable_config::TOUCHSCREEN_NOTOUCH: 2209 res.append("notouch"); 2210 break; 2211 case ResTable_config::TOUCHSCREEN_FINGER: 2212 res.append("finger"); 2213 break; 2214 case ResTable_config::TOUCHSCREEN_STYLUS: 2215 res.append("stylus"); 2216 break; 2217 default: 2218 res.appendFormat("touchscreen=%d", dtohs(touchscreen)); 2219 break; 2220 } 2221 } 2222 if (keyboard != KEYBOARD_ANY) { 2223 if (res.size() > 0) res.append("-"); 2224 switch (keyboard) { 2225 case ResTable_config::KEYBOARD_NOKEYS: 2226 res.append("nokeys"); 2227 break; 2228 case ResTable_config::KEYBOARD_QWERTY: 2229 res.append("qwerty"); 2230 break; 2231 case ResTable_config::KEYBOARD_12KEY: 2232 res.append("12key"); 2233 break; 2234 default: 2235 res.appendFormat("keyboard=%d", dtohs(keyboard)); 2236 break; 2237 } 2238 } 2239 if ((inputFlags&MASK_KEYSHIDDEN) != 0) { 2240 if (res.size() > 0) res.append("-"); 2241 switch (inputFlags&MASK_KEYSHIDDEN) { 2242 case ResTable_config::KEYSHIDDEN_NO: 2243 res.append("keysexposed"); 2244 break; 2245 case ResTable_config::KEYSHIDDEN_YES: 2246 res.append("keyshidden"); 2247 break; 2248 case ResTable_config::KEYSHIDDEN_SOFT: 2249 res.append("keyssoft"); 2250 break; 2251 } 2252 } 2253 if (navigation != NAVIGATION_ANY) { 2254 if (res.size() > 0) res.append("-"); 2255 switch (navigation) { 2256 case ResTable_config::NAVIGATION_NONAV: 2257 res.append("nonav"); 2258 break; 2259 case ResTable_config::NAVIGATION_DPAD: 2260 res.append("dpad"); 2261 break; 2262 case ResTable_config::NAVIGATION_TRACKBALL: 2263 res.append("trackball"); 2264 break; 2265 case ResTable_config::NAVIGATION_WHEEL: 2266 res.append("wheel"); 2267 break; 2268 default: 2269 res.appendFormat("navigation=%d", dtohs(navigation)); 2270 break; 2271 } 2272 } 2273 if ((inputFlags&MASK_NAVHIDDEN) != 0) { 2274 if (res.size() > 0) res.append("-"); 2275 switch (inputFlags&MASK_NAVHIDDEN) { 2276 case ResTable_config::NAVHIDDEN_NO: 2277 res.append("navsexposed"); 2278 break; 2279 case ResTable_config::NAVHIDDEN_YES: 2280 res.append("navhidden"); 2281 break; 2282 default: 2283 res.appendFormat("inputFlagsNavHidden=%d", 2284 dtohs(inputFlags&MASK_NAVHIDDEN)); 2285 break; 2286 } 2287 } 2288 if (screenSize != 0) { 2289 if (res.size() > 0) res.append("-"); 2290 res.appendFormat("%dx%d", dtohs(screenWidth), dtohs(screenHeight)); 2291 } 2292 if (version != 0) { 2293 if (res.size() > 0) res.append("-"); 2294 res.appendFormat("v%d", dtohs(sdkVersion)); 2295 if (minorVersion != 0) { 2296 res.appendFormat(".%d", dtohs(minorVersion)); 2297 } 2298 } 2299 2300 return res; 2301 } 2302 2303 // -------------------------------------------------------------------- 2304 // -------------------------------------------------------------------- 2305 // -------------------------------------------------------------------- 2306 2307 struct ResTable::Header 2308 { 2309 Header(ResTable* _owner) : owner(_owner), ownedData(NULL), header(NULL), 2310 resourceIDMap(NULL), resourceIDMapSize(0) { } 2311 2312 ~Header() 2313 { 2314 free(resourceIDMap); 2315 } 2316 2317 ResTable* const owner; 2318 void* ownedData; 2319 const ResTable_header* header; 2320 size_t size; 2321 const uint8_t* dataEnd; 2322 size_t index; 2323 void* cookie; 2324 2325 ResStringPool values; 2326 uint32_t* resourceIDMap; 2327 size_t resourceIDMapSize; 2328 }; 2329 2330 struct ResTable::Type 2331 { 2332 Type(const Header* _header, const Package* _package, size_t count) 2333 : header(_header), package(_package), entryCount(count), 2334 typeSpec(NULL), typeSpecFlags(NULL) { } 2335 const Header* const header; 2336 const Package* const package; 2337 const size_t entryCount; 2338 const ResTable_typeSpec* typeSpec; 2339 const uint32_t* typeSpecFlags; 2340 Vector<const ResTable_type*> configs; 2341 }; 2342 2343 struct ResTable::Package 2344 { 2345 Package(ResTable* _owner, const Header* _header, const ResTable_package* _package) 2346 : owner(_owner), header(_header), package(_package) { } 2347 ~Package() 2348 { 2349 size_t i = types.size(); 2350 while (i > 0) { 2351 i--; 2352 delete types[i]; 2353 } 2354 } 2355 2356 ResTable* const owner; 2357 const Header* const header; 2358 const ResTable_package* const package; 2359 Vector<Type*> types; 2360 2361 ResStringPool typeStrings; 2362 ResStringPool keyStrings; 2363 2364 const Type* getType(size_t idx) const { 2365 return idx < types.size() ? types[idx] : NULL; 2366 } 2367 }; 2368 2369 // A group of objects describing a particular resource package. 2370 // The first in 'package' is always the root object (from the resource 2371 // table that defined the package); the ones after are skins on top of it. 2372 struct ResTable::PackageGroup 2373 { 2374 PackageGroup(ResTable* _owner, const String16& _name, uint32_t _id) 2375 : owner(_owner), name(_name), id(_id), typeCount(0), bags(NULL) { } 2376 ~PackageGroup() { 2377 clearBagCache(); 2378 const size_t N = packages.size(); 2379 for (size_t i=0; i<N; i++) { 2380 Package* pkg = packages[i]; 2381 if (pkg->owner == owner) { 2382 delete pkg; 2383 } 2384 } 2385 } 2386 2387 void clearBagCache() { 2388 if (bags) { 2389 TABLE_NOISY(printf("bags=%p\n", bags)); 2390 Package* pkg = packages[0]; 2391 TABLE_NOISY(printf("typeCount=%x\n", typeCount)); 2392 for (size_t i=0; i<typeCount; i++) { 2393 TABLE_NOISY(printf("type=%d\n", i)); 2394 const Type* type = pkg->getType(i); 2395 if (type != NULL) { 2396 bag_set** typeBags = bags[i]; 2397 TABLE_NOISY(printf("typeBags=%p\n", typeBags)); 2398 if (typeBags) { 2399 TABLE_NOISY(printf("type->entryCount=%x\n", type->entryCount)); 2400 const size_t N = type->entryCount; 2401 for (size_t j=0; j<N; j++) { 2402 if (typeBags[j] && typeBags[j] != (bag_set*)0xFFFFFFFF) 2403 free(typeBags[j]); 2404 } 2405 free(typeBags); 2406 } 2407 } 2408 } 2409 free(bags); 2410 bags = NULL; 2411 } 2412 } 2413 2414 ResTable* const owner; 2415 String16 const name; 2416 uint32_t const id; 2417 Vector<Package*> packages; 2418 2419 // This is for finding typeStrings and other common package stuff. 2420 Package* basePackage; 2421 2422 // For quick access. 2423 size_t typeCount; 2424 2425 // Computed attribute bags, first indexed by the type and second 2426 // by the entry in that type. 2427 bag_set*** bags; 2428 }; 2429 2430 struct ResTable::bag_set 2431 { 2432 size_t numAttrs; // number in array 2433 size_t availAttrs; // total space in array 2434 uint32_t typeSpecFlags; 2435 // Followed by 'numAttr' bag_entry structures. 2436 }; 2437 2438 ResTable::Theme::Theme(const ResTable& table) 2439 : mTable(table) 2440 { 2441 memset(mPackages, 0, sizeof(mPackages)); 2442 } 2443 2444 ResTable::Theme::~Theme() 2445 { 2446 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2447 package_info* pi = mPackages[i]; 2448 if (pi != NULL) { 2449 free_package(pi); 2450 } 2451 } 2452 } 2453 2454 void ResTable::Theme::free_package(package_info* pi) 2455 { 2456 for (size_t j=0; j<pi->numTypes; j++) { 2457 theme_entry* te = pi->types[j].entries; 2458 if (te != NULL) { 2459 free(te); 2460 } 2461 } 2462 free(pi); 2463 } 2464 2465 ResTable::Theme::package_info* ResTable::Theme::copy_package(package_info* pi) 2466 { 2467 package_info* newpi = (package_info*)malloc( 2468 sizeof(package_info) + (pi->numTypes*sizeof(type_info))); 2469 newpi->numTypes = pi->numTypes; 2470 for (size_t j=0; j<newpi->numTypes; j++) { 2471 size_t cnt = pi->types[j].numEntries; 2472 newpi->types[j].numEntries = cnt; 2473 theme_entry* te = pi->types[j].entries; 2474 if (te != NULL) { 2475 theme_entry* newte = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 2476 newpi->types[j].entries = newte; 2477 memcpy(newte, te, cnt*sizeof(theme_entry)); 2478 } else { 2479 newpi->types[j].entries = NULL; 2480 } 2481 } 2482 return newpi; 2483 } 2484 2485 status_t ResTable::Theme::applyStyle(uint32_t resID, bool force) 2486 { 2487 const bag_entry* bag; 2488 uint32_t bagTypeSpecFlags = 0; 2489 mTable.lock(); 2490 const ssize_t N = mTable.getBagLocked(resID, &bag, &bagTypeSpecFlags); 2491 TABLE_NOISY(ALOGV("Applying style 0x%08x to theme %p, count=%d", resID, this, N)); 2492 if (N < 0) { 2493 mTable.unlock(); 2494 return N; 2495 } 2496 2497 uint32_t curPackage = 0xffffffff; 2498 ssize_t curPackageIndex = 0; 2499 package_info* curPI = NULL; 2500 uint32_t curType = 0xffffffff; 2501 size_t numEntries = 0; 2502 theme_entry* curEntries = NULL; 2503 2504 const bag_entry* end = bag + N; 2505 while (bag < end) { 2506 const uint32_t attrRes = bag->map.name.ident; 2507 const uint32_t p = Res_GETPACKAGE(attrRes); 2508 const uint32_t t = Res_GETTYPE(attrRes); 2509 const uint32_t e = Res_GETENTRY(attrRes); 2510 2511 if (curPackage != p) { 2512 const ssize_t pidx = mTable.getResourcePackageIndex(attrRes); 2513 if (pidx < 0) { 2514 ALOGE("Style contains key with bad package: 0x%08x\n", attrRes); 2515 bag++; 2516 continue; 2517 } 2518 curPackage = p; 2519 curPackageIndex = pidx; 2520 curPI = mPackages[pidx]; 2521 if (curPI == NULL) { 2522 PackageGroup* const grp = mTable.mPackageGroups[pidx]; 2523 int cnt = grp->typeCount; 2524 curPI = (package_info*)malloc( 2525 sizeof(package_info) + (cnt*sizeof(type_info))); 2526 curPI->numTypes = cnt; 2527 memset(curPI->types, 0, cnt*sizeof(type_info)); 2528 mPackages[pidx] = curPI; 2529 } 2530 curType = 0xffffffff; 2531 } 2532 if (curType != t) { 2533 if (t >= curPI->numTypes) { 2534 ALOGE("Style contains key with bad type: 0x%08x\n", attrRes); 2535 bag++; 2536 continue; 2537 } 2538 curType = t; 2539 curEntries = curPI->types[t].entries; 2540 if (curEntries == NULL) { 2541 PackageGroup* const grp = mTable.mPackageGroups[curPackageIndex]; 2542 const Type* type = grp->packages[0]->getType(t); 2543 int cnt = type != NULL ? type->entryCount : 0; 2544 curEntries = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 2545 memset(curEntries, Res_value::TYPE_NULL, cnt*sizeof(theme_entry)); 2546 curPI->types[t].numEntries = cnt; 2547 curPI->types[t].entries = curEntries; 2548 } 2549 numEntries = curPI->types[t].numEntries; 2550 } 2551 if (e >= numEntries) { 2552 ALOGE("Style contains key with bad entry: 0x%08x\n", attrRes); 2553 bag++; 2554 continue; 2555 } 2556 theme_entry* curEntry = curEntries + e; 2557 TABLE_NOISY(ALOGV("Attr 0x%08x: type=0x%x, data=0x%08x; curType=0x%x", 2558 attrRes, bag->map.value.dataType, bag->map.value.data, 2559 curEntry->value.dataType)); 2560 if (force || curEntry->value.dataType == Res_value::TYPE_NULL) { 2561 curEntry->stringBlock = bag->stringBlock; 2562 curEntry->typeSpecFlags |= bagTypeSpecFlags; 2563 curEntry->value = bag->map.value; 2564 } 2565 2566 bag++; 2567 } 2568 2569 mTable.unlock(); 2570 2571 //ALOGI("Applying style 0x%08x (force=%d) theme %p...\n", resID, force, this); 2572 //dumpToLog(); 2573 2574 return NO_ERROR; 2575 } 2576 2577 status_t ResTable::Theme::setTo(const Theme& other) 2578 { 2579 //ALOGI("Setting theme %p from theme %p...\n", this, &other); 2580 //dumpToLog(); 2581 //other.dumpToLog(); 2582 2583 if (&mTable == &other.mTable) { 2584 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2585 if (mPackages[i] != NULL) { 2586 free_package(mPackages[i]); 2587 } 2588 if (other.mPackages[i] != NULL) { 2589 mPackages[i] = copy_package(other.mPackages[i]); 2590 } else { 2591 mPackages[i] = NULL; 2592 } 2593 } 2594 } else { 2595 // @todo: need to really implement this, not just copy 2596 // the system package (which is still wrong because it isn't 2597 // fixing up resource references). 2598 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2599 if (mPackages[i] != NULL) { 2600 free_package(mPackages[i]); 2601 } 2602 if (i == 0 && other.mPackages[i] != NULL) { 2603 mPackages[i] = copy_package(other.mPackages[i]); 2604 } else { 2605 mPackages[i] = NULL; 2606 } 2607 } 2608 } 2609 2610 //ALOGI("Final theme:"); 2611 //dumpToLog(); 2612 2613 return NO_ERROR; 2614 } 2615 2616 ssize_t ResTable::Theme::getAttribute(uint32_t resID, Res_value* outValue, 2617 uint32_t* outTypeSpecFlags) const 2618 { 2619 int cnt = 20; 2620 2621 if (outTypeSpecFlags != NULL) *outTypeSpecFlags = 0; 2622 2623 do { 2624 const ssize_t p = mTable.getResourcePackageIndex(resID); 2625 const uint32_t t = Res_GETTYPE(resID); 2626 const uint32_t e = Res_GETENTRY(resID); 2627 2628 TABLE_THEME(ALOGI("Looking up attr 0x%08x in theme %p", resID, this)); 2629 2630 if (p >= 0) { 2631 const package_info* const pi = mPackages[p]; 2632 TABLE_THEME(ALOGI("Found package: %p", pi)); 2633 if (pi != NULL) { 2634 TABLE_THEME(ALOGI("Desired type index is %ld in avail %d", t, pi->numTypes)); 2635 if (t < pi->numTypes) { 2636 const type_info& ti = pi->types[t]; 2637 TABLE_THEME(ALOGI("Desired entry index is %ld in avail %d", e, ti.numEntries)); 2638 if (e < ti.numEntries) { 2639 const theme_entry& te = ti.entries[e]; 2640 if (outTypeSpecFlags != NULL) { 2641 *outTypeSpecFlags |= te.typeSpecFlags; 2642 } 2643 TABLE_THEME(ALOGI("Theme value: type=0x%x, data=0x%08x", 2644 te.value.dataType, te.value.data)); 2645 const uint8_t type = te.value.dataType; 2646 if (type == Res_value::TYPE_ATTRIBUTE) { 2647 if (cnt > 0) { 2648 cnt--; 2649 resID = te.value.data; 2650 continue; 2651 } 2652 ALOGW("Too many attribute references, stopped at: 0x%08x\n", resID); 2653 return BAD_INDEX; 2654 } else if (type != Res_value::TYPE_NULL) { 2655 *outValue = te.value; 2656 return te.stringBlock; 2657 } 2658 return BAD_INDEX; 2659 } 2660 } 2661 } 2662 } 2663 break; 2664 2665 } while (true); 2666 2667 return BAD_INDEX; 2668 } 2669 2670 ssize_t ResTable::Theme::resolveAttributeReference(Res_value* inOutValue, 2671 ssize_t blockIndex, uint32_t* outLastRef, 2672 uint32_t* inoutTypeSpecFlags, ResTable_config* inoutConfig) const 2673 { 2674 //printf("Resolving type=0x%x\n", inOutValue->dataType); 2675 if (inOutValue->dataType == Res_value::TYPE_ATTRIBUTE) { 2676 uint32_t newTypeSpecFlags; 2677 blockIndex = getAttribute(inOutValue->data, inOutValue, &newTypeSpecFlags); 2678 TABLE_THEME(ALOGI("Resolving attr reference: blockIndex=%d, type=0x%x, data=%p\n", 2679 (int)blockIndex, (int)inOutValue->dataType, (void*)inOutValue->data)); 2680 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newTypeSpecFlags; 2681 //printf("Retrieved attribute new type=0x%x\n", inOutValue->dataType); 2682 if (blockIndex < 0) { 2683 return blockIndex; 2684 } 2685 } 2686 return mTable.resolveReference(inOutValue, blockIndex, outLastRef, 2687 inoutTypeSpecFlags, inoutConfig); 2688 } 2689 2690 void ResTable::Theme::dumpToLog() const 2691 { 2692 ALOGI("Theme %p:\n", this); 2693 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2694 package_info* pi = mPackages[i]; 2695 if (pi == NULL) continue; 2696 2697 ALOGI(" Package #0x%02x:\n", (int)(i+1)); 2698 for (size_t j=0; j<pi->numTypes; j++) { 2699 type_info& ti = pi->types[j]; 2700 if (ti.numEntries == 0) continue; 2701 2702 ALOGI(" Type #0x%02x:\n", (int)(j+1)); 2703 for (size_t k=0; k<ti.numEntries; k++) { 2704 theme_entry& te = ti.entries[k]; 2705 if (te.value.dataType == Res_value::TYPE_NULL) continue; 2706 ALOGI(" 0x%08x: t=0x%x, d=0x%08x (block=%d)\n", 2707 (int)Res_MAKEID(i, j, k), 2708 te.value.dataType, (int)te.value.data, (int)te.stringBlock); 2709 } 2710 } 2711 } 2712 } 2713 2714 ResTable::ResTable() 2715 : mError(NO_INIT) 2716 { 2717 memset(&mParams, 0, sizeof(mParams)); 2718 memset(mPackageMap, 0, sizeof(mPackageMap)); 2719 //ALOGI("Creating ResTable %p\n", this); 2720 } 2721 2722 ResTable::ResTable(const void* data, size_t size, void* cookie, bool copyData) 2723 : mError(NO_INIT) 2724 { 2725 memset(&mParams, 0, sizeof(mParams)); 2726 memset(mPackageMap, 0, sizeof(mPackageMap)); 2727 add(data, size, cookie, copyData); 2728 LOG_FATAL_IF(mError != NO_ERROR, "Error parsing resource table"); 2729 //ALOGI("Creating ResTable %p\n", this); 2730 } 2731 2732 ResTable::~ResTable() 2733 { 2734 //ALOGI("Destroying ResTable in %p\n", this); 2735 uninit(); 2736 } 2737 2738 inline ssize_t ResTable::getResourcePackageIndex(uint32_t resID) const 2739 { 2740 return ((ssize_t)mPackageMap[Res_GETPACKAGE(resID)+1])-1; 2741 } 2742 2743 status_t ResTable::add(const void* data, size_t size, void* cookie, bool copyData, 2744 const void* idmap) 2745 { 2746 return add(data, size, cookie, NULL, copyData, reinterpret_cast<const Asset*>(idmap)); 2747 } 2748 2749 status_t ResTable::add(Asset* asset, void* cookie, bool copyData, const void* idmap) 2750 { 2751 const void* data = asset->getBuffer(true); 2752 if (data == NULL) { 2753 ALOGW("Unable to get buffer of resource asset file"); 2754 return UNKNOWN_ERROR; 2755 } 2756 size_t size = (size_t)asset->getLength(); 2757 return add(data, size, cookie, asset, copyData, reinterpret_cast<const Asset*>(idmap)); 2758 } 2759 2760 status_t ResTable::add(ResTable* src) 2761 { 2762 mError = src->mError; 2763 2764 for (size_t i=0; i<src->mHeaders.size(); i++) { 2765 mHeaders.add(src->mHeaders[i]); 2766 } 2767 2768 for (size_t i=0; i<src->mPackageGroups.size(); i++) { 2769 PackageGroup* srcPg = src->mPackageGroups[i]; 2770 PackageGroup* pg = new PackageGroup(this, srcPg->name, srcPg->id); 2771 for (size_t j=0; j<srcPg->packages.size(); j++) { 2772 pg->packages.add(srcPg->packages[j]); 2773 } 2774 pg->basePackage = srcPg->basePackage; 2775 pg->typeCount = srcPg->typeCount; 2776 mPackageGroups.add(pg); 2777 } 2778 2779 memcpy(mPackageMap, src->mPackageMap, sizeof(mPackageMap)); 2780 2781 return mError; 2782 } 2783 2784 status_t ResTable::add(const void* data, size_t size, void* cookie, 2785 Asset* asset, bool copyData, const Asset* idmap) 2786 { 2787 if (!data) return NO_ERROR; 2788 Header* header = new Header(this); 2789 header->index = mHeaders.size(); 2790 header->cookie = cookie; 2791 if (idmap != NULL) { 2792 const size_t idmap_size = idmap->getLength(); 2793 const void* idmap_data = const_cast<Asset*>(idmap)->getBuffer(true); 2794 header->resourceIDMap = (uint32_t*)malloc(idmap_size); 2795 if (header->resourceIDMap == NULL) { 2796 delete header; 2797 return (mError = NO_MEMORY); 2798 } 2799 memcpy((void*)header->resourceIDMap, idmap_data, idmap_size); 2800 header->resourceIDMapSize = idmap_size; 2801 } 2802 mHeaders.add(header); 2803 2804 const bool notDeviceEndian = htods(0xf0) != 0xf0; 2805 2806 LOAD_TABLE_NOISY( 2807 ALOGV("Adding resources to ResTable: data=%p, size=0x%x, cookie=%p, asset=%p, copy=%d " 2808 "idmap=%p\n", data, size, cookie, asset, copyData, idmap)); 2809 2810 if (copyData || notDeviceEndian) { 2811 header->ownedData = malloc(size); 2812 if (header->ownedData == NULL) { 2813 return (mError=NO_MEMORY); 2814 } 2815 memcpy(header->ownedData, data, size); 2816 data = header->ownedData; 2817 } 2818 2819 header->header = (const ResTable_header*)data; 2820 header->size = dtohl(header->header->header.size); 2821 //ALOGI("Got size 0x%x, again size 0x%x, raw size 0x%x\n", header->size, 2822 // dtohl(header->header->header.size), header->header->header.size); 2823 LOAD_TABLE_NOISY(ALOGV("Loading ResTable @%p:\n", header->header)); 2824 LOAD_TABLE_NOISY(printHexData(2, header->header, header->size < 256 ? header->size : 256, 2825 16, 16, 0, false, printToLogFunc)); 2826 if (dtohs(header->header->header.headerSize) > header->size 2827 || header->size > size) { 2828 ALOGW("Bad resource table: header size 0x%x or total size 0x%x is larger than data size 0x%x\n", 2829 (int)dtohs(header->header->header.headerSize), 2830 (int)header->size, (int)size); 2831 return (mError=BAD_TYPE); 2832 } 2833 if (((dtohs(header->header->header.headerSize)|header->size)&0x3) != 0) { 2834 ALOGW("Bad resource table: header size 0x%x or total size 0x%x is not on an integer boundary\n", 2835 (int)dtohs(header->header->header.headerSize), 2836 (int)header->size); 2837 return (mError=BAD_TYPE); 2838 } 2839 header->dataEnd = ((const uint8_t*)header->header) + header->size; 2840 2841 // Iterate through all chunks. 2842 size_t curPackage = 0; 2843 2844 const ResChunk_header* chunk = 2845 (const ResChunk_header*)(((const uint8_t*)header->header) 2846 + dtohs(header->header->header.headerSize)); 2847 while (((const uint8_t*)chunk) <= (header->dataEnd-sizeof(ResChunk_header)) && 2848 ((const uint8_t*)chunk) <= (header->dataEnd-dtohl(chunk->size))) { 2849 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), header->dataEnd, "ResTable"); 2850 if (err != NO_ERROR) { 2851 return (mError=err); 2852 } 2853 TABLE_NOISY(ALOGV("Chunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 2854 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 2855 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 2856 const size_t csize = dtohl(chunk->size); 2857 const uint16_t ctype = dtohs(chunk->type); 2858 if (ctype == RES_STRING_POOL_TYPE) { 2859 if (header->values.getError() != NO_ERROR) { 2860 // Only use the first string chunk; ignore any others that 2861 // may appear. 2862 status_t err = header->values.setTo(chunk, csize); 2863 if (err != NO_ERROR) { 2864 return (mError=err); 2865 } 2866 } else { 2867 ALOGW("Multiple string chunks found in resource table."); 2868 } 2869 } else if (ctype == RES_TABLE_PACKAGE_TYPE) { 2870 if (curPackage >= dtohl(header->header->packageCount)) { 2871 ALOGW("More package chunks were found than the %d declared in the header.", 2872 dtohl(header->header->packageCount)); 2873 return (mError=BAD_TYPE); 2874 } 2875 uint32_t idmap_id = 0; 2876 if (idmap != NULL) { 2877 uint32_t tmp; 2878 if (getIdmapPackageId(header->resourceIDMap, 2879 header->resourceIDMapSize, 2880 &tmp) == NO_ERROR) { 2881 idmap_id = tmp; 2882 } 2883 } 2884 if (parsePackage((ResTable_package*)chunk, header, idmap_id) != NO_ERROR) { 2885 return mError; 2886 } 2887 curPackage++; 2888 } else { 2889 ALOGW("Unknown chunk type %p in table at %p.\n", 2890 (void*)(int)(ctype), 2891 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header))); 2892 } 2893 chunk = (const ResChunk_header*) 2894 (((const uint8_t*)chunk) + csize); 2895 } 2896 2897 if (curPackage < dtohl(header->header->packageCount)) { 2898 ALOGW("Fewer package chunks (%d) were found than the %d declared in the header.", 2899 (int)curPackage, dtohl(header->header->packageCount)); 2900 return (mError=BAD_TYPE); 2901 } 2902 mError = header->values.getError(); 2903 if (mError != NO_ERROR) { 2904 ALOGW("No string values found in resource table!"); 2905 } 2906 2907 TABLE_NOISY(ALOGV("Returning from add with mError=%d\n", mError)); 2908 return mError; 2909 } 2910 2911 status_t ResTable::getError() const 2912 { 2913 return mError; 2914 } 2915 2916 void ResTable::uninit() 2917 { 2918 mError = NO_INIT; 2919 size_t N = mPackageGroups.size(); 2920 for (size_t i=0; i<N; i++) { 2921 PackageGroup* g = mPackageGroups[i]; 2922 delete g; 2923 } 2924 N = mHeaders.size(); 2925 for (size_t i=0; i<N; i++) { 2926 Header* header = mHeaders[i]; 2927 if (header->owner == this) { 2928 if (header->ownedData) { 2929 free(header->ownedData); 2930 } 2931 delete header; 2932 } 2933 } 2934 2935 mPackageGroups.clear(); 2936 mHeaders.clear(); 2937 } 2938 2939 bool ResTable::getResourceName(uint32_t resID, resource_name* outName) const 2940 { 2941 if (mError != NO_ERROR) { 2942 return false; 2943 } 2944 2945 const ssize_t p = getResourcePackageIndex(resID); 2946 const int t = Res_GETTYPE(resID); 2947 const int e = Res_GETENTRY(resID); 2948 2949 if (p < 0) { 2950 if (Res_GETPACKAGE(resID)+1 == 0) { 2951 ALOGW("No package identifier when getting name for resource number 0x%08x", resID); 2952 } else { 2953 ALOGW("No known package when getting name for resource number 0x%08x", resID); 2954 } 2955 return false; 2956 } 2957 if (t < 0) { 2958 ALOGW("No type identifier when getting name for resource number 0x%08x", resID); 2959 return false; 2960 } 2961 2962 const PackageGroup* const grp = mPackageGroups[p]; 2963 if (grp == NULL) { 2964 ALOGW("Bad identifier when getting name for resource number 0x%08x", resID); 2965 return false; 2966 } 2967 if (grp->packages.size() > 0) { 2968 const Package* const package = grp->packages[0]; 2969 2970 const ResTable_type* type; 2971 const ResTable_entry* entry; 2972 ssize_t offset = getEntry(package, t, e, NULL, &type, &entry, NULL); 2973 if (offset <= 0) { 2974 return false; 2975 } 2976 2977 outName->package = grp->name.string(); 2978 outName->packageLen = grp->name.size(); 2979 outName->type = grp->basePackage->typeStrings.stringAt(t, &outName->typeLen); 2980 outName->name = grp->basePackage->keyStrings.stringAt( 2981 dtohl(entry->key.index), &outName->nameLen); 2982 2983 // If we have a bad index for some reason, we should abort. 2984 if (outName->type == NULL || outName->name == NULL) { 2985 return false; 2986 } 2987 2988 return true; 2989 } 2990 2991 return false; 2992 } 2993 2994 ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag, uint16_t density, 2995 uint32_t* outSpecFlags, ResTable_config* outConfig) const 2996 { 2997 if (mError != NO_ERROR) { 2998 return mError; 2999 } 3000 3001 const ssize_t p = getResourcePackageIndex(resID); 3002 const int t = Res_GETTYPE(resID); 3003 const int e = Res_GETENTRY(resID); 3004 3005 if (p < 0) { 3006 if (Res_GETPACKAGE(resID)+1 == 0) { 3007 ALOGW("No package identifier when getting value for resource number 0x%08x", resID); 3008 } else { 3009 ALOGW("No known package when getting value for resource number 0x%08x", resID); 3010 } 3011 return BAD_INDEX; 3012 } 3013 if (t < 0) { 3014 ALOGW("No type identifier when getting value for resource number 0x%08x", resID); 3015 return BAD_INDEX; 3016 } 3017 3018 const Res_value* bestValue = NULL; 3019 const Package* bestPackage = NULL; 3020 ResTable_config bestItem; 3021 memset(&bestItem, 0, sizeof(bestItem)); // make the compiler shut up 3022 3023 if (outSpecFlags != NULL) *outSpecFlags = 0; 3024 3025 // Look through all resource packages, starting with the most 3026 // recently added. 3027 const PackageGroup* const grp = mPackageGroups[p]; 3028 if (grp == NULL) { 3029 ALOGW("Bad identifier when getting value for resource number 0x%08x", resID); 3030 return BAD_INDEX; 3031 } 3032 3033 // Allow overriding density 3034 const ResTable_config* desiredConfig = &mParams; 3035 ResTable_config* overrideConfig = NULL; 3036 if (density > 0) { 3037 overrideConfig = (ResTable_config*) malloc(sizeof(ResTable_config)); 3038 if (overrideConfig == NULL) { 3039 ALOGE("Couldn't malloc ResTable_config for overrides: %s", strerror(errno)); 3040 return BAD_INDEX; 3041 } 3042 memcpy(overrideConfig, &mParams, sizeof(ResTable_config)); 3043 overrideConfig->density = density; 3044 desiredConfig = overrideConfig; 3045 } 3046 3047 ssize_t rc = BAD_VALUE; 3048 size_t ip = grp->packages.size(); 3049 while (ip > 0) { 3050 ip--; 3051 int T = t; 3052 int E = e; 3053 3054 const Package* const package = grp->packages[ip]; 3055 if (package->header->resourceIDMap) { 3056 uint32_t overlayResID = 0x0; 3057 status_t retval = idmapLookup(package->header->resourceIDMap, 3058 package->header->resourceIDMapSize, 3059 resID, &overlayResID); 3060 if (retval == NO_ERROR && overlayResID != 0x0) { 3061 // for this loop iteration, this is the type and entry we really want 3062 ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); 3063 T = Res_GETTYPE(overlayResID); 3064 E = Res_GETENTRY(overlayResID); 3065 } else { 3066 // resource not present in overlay package, continue with the next package 3067 continue; 3068 } 3069 } 3070 3071 const ResTable_type* type; 3072 const ResTable_entry* entry; 3073 const Type* typeClass; 3074 ssize_t offset = getEntry(package, T, E, desiredConfig, &type, &entry, &typeClass); 3075 if (offset <= 0) { 3076 // No {entry, appropriate config} pair found in package. If this 3077 // package is an overlay package (ip != 0), this simply means the 3078 // overlay package did not specify a default. 3079 // Non-overlay packages are still required to provide a default. 3080 if (offset < 0 && ip == 0) { 3081 ALOGW("Failure getting entry for 0x%08x (t=%d e=%d) in package %zd (error %d)\n", 3082 resID, T, E, ip, (int)offset); 3083 rc = offset; 3084 goto out; 3085 } 3086 continue; 3087 } 3088 3089 if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) != 0) { 3090 if (!mayBeBag) { 3091 ALOGW("Requesting resource %p failed because it is complex\n", 3092 (void*)resID); 3093 } 3094 continue; 3095 } 3096 3097 TABLE_NOISY(aout << "Resource type data: " 3098 << HexDump(type, dtohl(type->header.size)) << endl); 3099 3100 if ((size_t)offset > (dtohl(type->header.size)-sizeof(Res_value))) { 3101 ALOGW("ResTable_item at %d is beyond type chunk data %d", 3102 (int)offset, dtohl(type->header.size)); 3103 rc = BAD_TYPE; 3104 goto out; 3105 } 3106 3107 const Res_value* item = 3108 (const Res_value*)(((const uint8_t*)type) + offset); 3109 ResTable_config thisConfig; 3110 thisConfig.copyFromDtoH(type->config); 3111 3112 if (outSpecFlags != NULL) { 3113 if (typeClass->typeSpecFlags != NULL) { 3114 *outSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); 3115 } else { 3116 *outSpecFlags = -1; 3117 } 3118 } 3119 3120 if (bestPackage != NULL && 3121 (bestItem.isMoreSpecificThan(thisConfig) || bestItem.diff(thisConfig) == 0)) { 3122 // Discard thisConfig not only if bestItem is more specific, but also if the two configs 3123 // are identical (diff == 0), or overlay packages will not take effect. 3124 continue; 3125 } 3126 3127 bestItem = thisConfig; 3128 bestValue = item; 3129 bestPackage = package; 3130 } 3131 3132 TABLE_NOISY(printf("Found result: package %p\n", bestPackage)); 3133 3134 if (bestValue) { 3135 outValue->size = dtohs(bestValue->size); 3136 outValue->res0 = bestValue->res0; 3137 outValue->dataType = bestValue->dataType; 3138 outValue->data = dtohl(bestValue->data); 3139 if (outConfig != NULL) { 3140 *outConfig = bestItem; 3141 } 3142 TABLE_NOISY(size_t len; 3143 printf("Found value: pkg=%d, type=%d, str=%s, int=%d\n", 3144 bestPackage->header->index, 3145 outValue->dataType, 3146 outValue->dataType == bestValue->TYPE_STRING 3147 ? String8(bestPackage->header->values.stringAt( 3148 outValue->data, &len)).string() 3149 : "", 3150 outValue->data)); 3151 rc = bestPackage->header->index; 3152 goto out; 3153 } 3154 3155 out: 3156 if (overrideConfig != NULL) { 3157 free(overrideConfig); 3158 } 3159 3160 return rc; 3161 } 3162 3163 ssize_t ResTable::resolveReference(Res_value* value, ssize_t blockIndex, 3164 uint32_t* outLastRef, uint32_t* inoutTypeSpecFlags, 3165 ResTable_config* outConfig) const 3166 { 3167 int count=0; 3168 while (blockIndex >= 0 && value->dataType == value->TYPE_REFERENCE 3169 && value->data != 0 && count < 20) { 3170 if (outLastRef) *outLastRef = value->data; 3171 uint32_t lastRef = value->data; 3172 uint32_t newFlags = 0; 3173 const ssize_t newIndex = getResource(value->data, value, true, 0, &newFlags, 3174 outConfig); 3175 if (newIndex == BAD_INDEX) { 3176 return BAD_INDEX; 3177 } 3178 TABLE_THEME(ALOGI("Resolving reference %p: newIndex=%d, type=0x%x, data=%p\n", 3179 (void*)lastRef, (int)newIndex, (int)value->dataType, (void*)value->data)); 3180 //printf("Getting reference 0x%08x: newIndex=%d\n", value->data, newIndex); 3181 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newFlags; 3182 if (newIndex < 0) { 3183 // This can fail if the resource being referenced is a style... 3184 // in this case, just return the reference, and expect the 3185 // caller to deal with. 3186 return blockIndex; 3187 } 3188 blockIndex = newIndex; 3189 count++; 3190 } 3191 return blockIndex; 3192 } 3193 3194 const char16_t* ResTable::valueToString( 3195 const Res_value* value, size_t stringBlock, 3196 char16_t tmpBuffer[TMP_BUFFER_SIZE], size_t* outLen) 3197 { 3198 if (!value) { 3199 return NULL; 3200 } 3201 if (value->dataType == value->TYPE_STRING) { 3202 return getTableStringBlock(stringBlock)->stringAt(value->data, outLen); 3203 } 3204 // XXX do int to string conversions. 3205 return NULL; 3206 } 3207 3208 ssize_t ResTable::lockBag(uint32_t resID, const bag_entry** outBag) const 3209 { 3210 mLock.lock(); 3211 ssize_t err = getBagLocked(resID, outBag); 3212 if (err < NO_ERROR) { 3213 //printf("*** get failed! unlocking\n"); 3214 mLock.unlock(); 3215 } 3216 return err; 3217 } 3218 3219 void ResTable::unlockBag(const bag_entry* bag) const 3220 { 3221 //printf("<<< unlockBag %p\n", this); 3222 mLock.unlock(); 3223 } 3224 3225 void ResTable::lock() const 3226 { 3227 mLock.lock(); 3228 } 3229 3230 void ResTable::unlock() const 3231 { 3232 mLock.unlock(); 3233 } 3234 3235 ssize_t ResTable::getBagLocked(uint32_t resID, const bag_entry** outBag, 3236 uint32_t* outTypeSpecFlags) const 3237 { 3238 if (mError != NO_ERROR) { 3239 return mError; 3240 } 3241 3242 const ssize_t p = getResourcePackageIndex(resID); 3243 const int t = Res_GETTYPE(resID); 3244 const int e = Res_GETENTRY(resID); 3245 3246 if (p < 0) { 3247 ALOGW("Invalid package identifier when getting bag for resource number 0x%08x", resID); 3248 return BAD_INDEX; 3249 } 3250 if (t < 0) { 3251 ALOGW("No type identifier when getting bag for resource number 0x%08x", resID); 3252 return BAD_INDEX; 3253 } 3254 3255 //printf("Get bag: id=0x%08x, p=%d, t=%d\n", resID, p, t); 3256 PackageGroup* const grp = mPackageGroups[p]; 3257 if (grp == NULL) { 3258 ALOGW("Bad identifier when getting bag for resource number 0x%08x", resID); 3259 return false; 3260 } 3261 3262 if (t >= (int)grp->typeCount) { 3263 ALOGW("Type identifier 0x%x is larger than type count 0x%x", 3264 t+1, (int)grp->typeCount); 3265 return BAD_INDEX; 3266 } 3267 3268 const Package* const basePackage = grp->packages[0]; 3269 3270 const Type* const typeConfigs = basePackage->getType(t); 3271 3272 const size_t NENTRY = typeConfigs->entryCount; 3273 if (e >= (int)NENTRY) { 3274 ALOGW("Entry identifier 0x%x is larger than entry count 0x%x", 3275 e, (int)typeConfigs->entryCount); 3276 return BAD_INDEX; 3277 } 3278 3279 // First see if we've already computed this bag... 3280 if (grp->bags) { 3281 bag_set** typeSet = grp->bags[t]; 3282 if (typeSet) { 3283 bag_set* set = typeSet[e]; 3284 if (set) { 3285 if (set != (bag_set*)0xFFFFFFFF) { 3286 if (outTypeSpecFlags != NULL) { 3287 *outTypeSpecFlags = set->typeSpecFlags; 3288 } 3289 *outBag = (bag_entry*)(set+1); 3290 //ALOGI("Found existing bag for: %p\n", (void*)resID); 3291 return set->numAttrs; 3292 } 3293 ALOGW("Attempt to retrieve bag 0x%08x which is invalid or in a cycle.", 3294 resID); 3295 return BAD_INDEX; 3296 } 3297 } 3298 } 3299 3300 // Bag not found, we need to compute it! 3301 if (!grp->bags) { 3302 grp->bags = (bag_set***)calloc(grp->typeCount, sizeof(bag_set*)); 3303 if (!grp->bags) return NO_MEMORY; 3304 } 3305 3306 bag_set** typeSet = grp->bags[t]; 3307 if (!typeSet) { 3308 typeSet = (bag_set**)calloc(NENTRY, sizeof(bag_set*)); 3309 if (!typeSet) return NO_MEMORY; 3310 grp->bags[t] = typeSet; 3311 } 3312 3313 // Mark that we are currently working on this one. 3314 typeSet[e] = (bag_set*)0xFFFFFFFF; 3315 3316 // This is what we are building. 3317 bag_set* set = NULL; 3318 3319 TABLE_NOISY(ALOGI("Building bag: %p\n", (void*)resID)); 3320 3321 ResTable_config bestConfig; 3322 memset(&bestConfig, 0, sizeof(bestConfig)); 3323 3324 // Now collect all bag attributes from all packages. 3325 size_t ip = grp->packages.size(); 3326 while (ip > 0) { 3327 ip--; 3328 int T = t; 3329 int E = e; 3330 3331 const Package* const package = grp->packages[ip]; 3332 if (package->header->resourceIDMap) { 3333 uint32_t overlayResID = 0x0; 3334 status_t retval = idmapLookup(package->header->resourceIDMap, 3335 package->header->resourceIDMapSize, 3336 resID, &overlayResID); 3337 if (retval == NO_ERROR && overlayResID != 0x0) { 3338 // for this loop iteration, this is the type and entry we really want 3339 ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); 3340 T = Res_GETTYPE(overlayResID); 3341 E = Res_GETENTRY(overlayResID); 3342 } else { 3343 // resource not present in overlay package, continue with the next package 3344 continue; 3345 } 3346 } 3347 3348 const ResTable_type* type; 3349 const ResTable_entry* entry; 3350 const Type* typeClass; 3351 ALOGV("Getting entry pkg=%p, t=%d, e=%d\n", package, T, E); 3352 ssize_t offset = getEntry(package, T, E, &mParams, &type, &entry, &typeClass); 3353 ALOGV("Resulting offset=%d\n", offset); 3354 if (offset <= 0) { 3355 // No {entry, appropriate config} pair found in package. If this 3356 // package is an overlay package (ip != 0), this simply means the 3357 // overlay package did not specify a default. 3358 // Non-overlay packages are still required to provide a default. 3359 if (offset < 0 && ip == 0) { 3360 if (set) free(set); 3361 return offset; 3362 } 3363 continue; 3364 } 3365 3366 if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) == 0) { 3367 ALOGW("Skipping entry %p in package table %d because it is not complex!\n", 3368 (void*)resID, (int)ip); 3369 continue; 3370 } 3371 3372 if (set != NULL && !type->config.isBetterThan(bestConfig, NULL)) { 3373 continue; 3374 } 3375 bestConfig = type->config; 3376 if (set) { 3377 free(set); 3378 set = NULL; 3379 } 3380 3381 const uint16_t entrySize = dtohs(entry->size); 3382 const uint32_t parent = entrySize >= sizeof(ResTable_map_entry) 3383 ? dtohl(((const ResTable_map_entry*)entry)->parent.ident) : 0; 3384 const uint32_t count = entrySize >= sizeof(ResTable_map_entry) 3385 ? dtohl(((const ResTable_map_entry*)entry)->count) : 0; 3386 3387 size_t N = count; 3388 3389 TABLE_NOISY(ALOGI("Found map: size=%p parent=%p count=%d\n", 3390 entrySize, parent, count)); 3391 3392 // If this map inherits from another, we need to start 3393 // with its parent's values. Otherwise start out empty. 3394 TABLE_NOISY(printf("Creating new bag, entrySize=0x%08x, parent=0x%08x\n", 3395 entrySize, parent)); 3396 if (parent) { 3397 const bag_entry* parentBag; 3398 uint32_t parentTypeSpecFlags = 0; 3399 const ssize_t NP = getBagLocked(parent, &parentBag, &parentTypeSpecFlags); 3400 const size_t NT = ((NP >= 0) ? NP : 0) + N; 3401 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*NT); 3402 if (set == NULL) { 3403 return NO_MEMORY; 3404 } 3405 if (NP > 0) { 3406 memcpy(set+1, parentBag, NP*sizeof(bag_entry)); 3407 set->numAttrs = NP; 3408 TABLE_NOISY(ALOGI("Initialized new bag with %d inherited attributes.\n", NP)); 3409 } else { 3410 TABLE_NOISY(ALOGI("Initialized new bag with no inherited attributes.\n")); 3411 set->numAttrs = 0; 3412 } 3413 set->availAttrs = NT; 3414 set->typeSpecFlags = parentTypeSpecFlags; 3415 } else { 3416 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*N); 3417 if (set == NULL) { 3418 return NO_MEMORY; 3419 } 3420 set->numAttrs = 0; 3421 set->availAttrs = N; 3422 set->typeSpecFlags = 0; 3423 } 3424 3425 if (typeClass->typeSpecFlags != NULL) { 3426 set->typeSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); 3427 } else { 3428 set->typeSpecFlags = -1; 3429 } 3430 3431 // Now merge in the new attributes... 3432 ssize_t curOff = offset; 3433 const ResTable_map* map; 3434 bag_entry* entries = (bag_entry*)(set+1); 3435 size_t curEntry = 0; 3436 uint32_t pos = 0; 3437 TABLE_NOISY(ALOGI("Starting with set %p, entries=%p, avail=%d\n", 3438 set, entries, set->availAttrs)); 3439 while (pos < count) { 3440 TABLE_NOISY(printf("Now at %p\n", (void*)curOff)); 3441 3442 if ((size_t)curOff > (dtohl(type->header.size)-sizeof(ResTable_map))) { 3443 ALOGW("ResTable_map at %d is beyond type chunk data %d", 3444 (int)curOff, dtohl(type->header.size)); 3445 return BAD_TYPE; 3446 } 3447 map = (const ResTable_map*)(((const uint8_t*)type) + curOff); 3448 N++; 3449 3450 const uint32_t newName = htodl(map->name.ident); 3451 bool isInside; 3452 uint32_t oldName = 0; 3453 while ((isInside=(curEntry < set->numAttrs)) 3454 && (oldName=entries[curEntry].map.name.ident) < newName) { 3455 TABLE_NOISY(printf("#%d: Keeping existing attribute: 0x%08x\n", 3456 curEntry, entries[curEntry].map.name.ident)); 3457 curEntry++; 3458 } 3459 3460 if ((!isInside) || oldName != newName) { 3461 // This is a new attribute... figure out what to do with it. 3462 if (set->numAttrs >= set->availAttrs) { 3463 // Need to alloc more memory... 3464 const size_t newAvail = set->availAttrs+N; 3465 set = (bag_set*)realloc(set, 3466 sizeof(bag_set) 3467 + sizeof(bag_entry)*newAvail); 3468 if (set == NULL) { 3469 return NO_MEMORY; 3470 } 3471 set->availAttrs = newAvail; 3472 entries = (bag_entry*)(set+1); 3473 TABLE_NOISY(printf("Reallocated set %p, entries=%p, avail=%d\n", 3474 set, entries, set->availAttrs)); 3475 } 3476 if (isInside) { 3477 // Going in the middle, need to make space. 3478 memmove(entries+curEntry+1, entries+curEntry, 3479 sizeof(bag_entry)*(set->numAttrs-curEntry)); 3480 set->numAttrs++; 3481 } 3482 TABLE_NOISY(printf("#%d: Inserting new attribute: 0x%08x\n", 3483 curEntry, newName)); 3484 } else { 3485 TABLE_NOISY(printf("#%d: Replacing existing attribute: 0x%08x\n", 3486 curEntry, oldName)); 3487 } 3488 3489 bag_entry* cur = entries+curEntry; 3490 3491 cur->stringBlock = package->header->index; 3492 cur->map.name.ident = newName; 3493 cur->map.value.copyFrom_dtoh(map->value); 3494 TABLE_NOISY(printf("Setting entry #%d %p: block=%d, name=0x%08x, type=%d, data=0x%08x\n", 3495 curEntry, cur, cur->stringBlock, cur->map.name.ident, 3496 cur->map.value.dataType, cur->map.value.data)); 3497 3498 // On to the next! 3499 curEntry++; 3500 pos++; 3501 const size_t size = dtohs(map->value.size); 3502 curOff += size + sizeof(*map)-sizeof(map->value); 3503 }; 3504 if (curEntry > set->numAttrs) { 3505 set->numAttrs = curEntry; 3506 } 3507 } 3508 3509 // And this is it... 3510 typeSet[e] = set; 3511 if (set) { 3512 if (outTypeSpecFlags != NULL) { 3513 *outTypeSpecFlags = set->typeSpecFlags; 3514 } 3515 *outBag = (bag_entry*)(set+1); 3516 TABLE_NOISY(ALOGI("Returning %d attrs\n", set->numAttrs)); 3517 return set->numAttrs; 3518 } 3519 return BAD_INDEX; 3520 } 3521 3522 void ResTable::setParameters(const ResTable_config* params) 3523 { 3524 mLock.lock(); 3525 TABLE_GETENTRY(ALOGI("Setting parameters: %s\n", params->toString().string())); 3526 mParams = *params; 3527 for (size_t i=0; i<mPackageGroups.size(); i++) { 3528 TABLE_NOISY(ALOGI("CLEARING BAGS FOR GROUP %d!", i)); 3529 mPackageGroups[i]->clearBagCache(); 3530 } 3531 mLock.unlock(); 3532 } 3533 3534 void ResTable::getParameters(ResTable_config* params) const 3535 { 3536 mLock.lock(); 3537 *params = mParams; 3538 mLock.unlock(); 3539 } 3540 3541 struct id_name_map { 3542 uint32_t id; 3543 size_t len; 3544 char16_t name[6]; 3545 }; 3546 3547 const static id_name_map ID_NAMES[] = { 3548 { ResTable_map::ATTR_TYPE, 5, { '^', 't', 'y', 'p', 'e' } }, 3549 { ResTable_map::ATTR_L10N, 5, { '^', 'l', '1', '0', 'n' } }, 3550 { ResTable_map::ATTR_MIN, 4, { '^', 'm', 'i', 'n' } }, 3551 { ResTable_map::ATTR_MAX, 4, { '^', 'm', 'a', 'x' } }, 3552 { ResTable_map::ATTR_OTHER, 6, { '^', 'o', 't', 'h', 'e', 'r' } }, 3553 { ResTable_map::ATTR_ZERO, 5, { '^', 'z', 'e', 'r', 'o' } }, 3554 { ResTable_map::ATTR_ONE, 4, { '^', 'o', 'n', 'e' } }, 3555 { ResTable_map::ATTR_TWO, 4, { '^', 't', 'w', 'o' } }, 3556 { ResTable_map::ATTR_FEW, 4, { '^', 'f', 'e', 'w' } }, 3557 { ResTable_map::ATTR_MANY, 5, { '^', 'm', 'a', 'n', 'y' } }, 3558 }; 3559 3560 uint32_t ResTable::identifierForName(const char16_t* name, size_t nameLen, 3561 const char16_t* type, size_t typeLen, 3562 const char16_t* package, 3563 size_t packageLen, 3564 uint32_t* outTypeSpecFlags) const 3565 { 3566 TABLE_SUPER_NOISY(printf("Identifier for name: error=%d\n", mError)); 3567 3568 // Check for internal resource identifier as the very first thing, so 3569 // that we will always find them even when there are no resources. 3570 if (name[0] == '^') { 3571 const int N = (sizeof(ID_NAMES)/sizeof(ID_NAMES[0])); 3572 size_t len; 3573 for (int i=0; i<N; i++) { 3574 const id_name_map* m = ID_NAMES + i; 3575 len = m->len; 3576 if (len != nameLen) { 3577 continue; 3578 } 3579 for (size_t j=1; j<len; j++) { 3580 if (m->name[j] != name[j]) { 3581 goto nope; 3582 } 3583 } 3584 if (outTypeSpecFlags) { 3585 *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; 3586 } 3587 return m->id; 3588 nope: 3589 ; 3590 } 3591 if (nameLen > 7) { 3592 if (name[1] == 'i' && name[2] == 'n' 3593 && name[3] == 'd' && name[4] == 'e' && name[5] == 'x' 3594 && name[6] == '_') { 3595 int index = atoi(String8(name + 7, nameLen - 7).string()); 3596 if (Res_CHECKID(index)) { 3597 ALOGW("Array resource index: %d is too large.", 3598 index); 3599 return 0; 3600 } 3601 if (outTypeSpecFlags) { 3602 *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; 3603 } 3604 return Res_MAKEARRAY(index); 3605 } 3606 } 3607 return 0; 3608 } 3609 3610 if (mError != NO_ERROR) { 3611 return 0; 3612 } 3613 3614 bool fakePublic = false; 3615 3616 // Figure out the package and type we are looking in... 3617 3618 const char16_t* packageEnd = NULL; 3619 const char16_t* typeEnd = NULL; 3620 const char16_t* const nameEnd = name+nameLen; 3621 const char16_t* p = name; 3622 while (p < nameEnd) { 3623 if (*p == ':') packageEnd = p; 3624 else if (*p == '/') typeEnd = p; 3625 p++; 3626 } 3627 if (*name == '@') { 3628 name++; 3629 if (*name == '*') { 3630 fakePublic = true; 3631 name++; 3632 } 3633 } 3634 if (name >= nameEnd) { 3635 return 0; 3636 } 3637 3638 if (packageEnd) { 3639 package = name; 3640 packageLen = packageEnd-name; 3641 name = packageEnd+1; 3642 } else if (!package) { 3643 return 0; 3644 } 3645 3646 if (typeEnd) { 3647 type = name; 3648 typeLen = typeEnd-name; 3649 name = typeEnd+1; 3650 } else if (!type) { 3651 return 0; 3652 } 3653 3654 if (name >= nameEnd) { 3655 return 0; 3656 } 3657 nameLen = nameEnd-name; 3658 3659 TABLE_NOISY(printf("Looking for identifier: type=%s, name=%s, package=%s\n", 3660 String8(type, typeLen).string(), 3661 String8(name, nameLen).string(), 3662 String8(package, packageLen).string())); 3663 3664 const size_t NG = mPackageGroups.size(); 3665 for (size_t ig=0; ig<NG; ig++) { 3666 const PackageGroup* group = mPackageGroups[ig]; 3667 3668 if (strzcmp16(package, packageLen, 3669 group->name.string(), group->name.size())) { 3670 TABLE_NOISY(printf("Skipping package group: %s\n", String8(group->name).string())); 3671 continue; 3672 } 3673 3674 const ssize_t ti = group->basePackage->typeStrings.indexOfString(type, typeLen); 3675 if (ti < 0) { 3676 TABLE_NOISY(printf("Type not found in package %s\n", String8(group->name).string())); 3677 continue; 3678 } 3679 3680 const ssize_t ei = group->basePackage->keyStrings.indexOfString(name, nameLen); 3681 if (ei < 0) { 3682 TABLE_NOISY(printf("Name not found in package %s\n", String8(group->name).string())); 3683 continue; 3684 } 3685 3686 TABLE_NOISY(printf("Search indices: type=%d, name=%d\n", ti, ei)); 3687 3688 const Type* const typeConfigs = group->packages[0]->getType(ti); 3689 if (typeConfigs == NULL || typeConfigs->configs.size() <= 0) { 3690 TABLE_NOISY(printf("Expected type structure not found in package %s for idnex %d\n", 3691 String8(group->name).string(), ti)); 3692 } 3693 3694 size_t NTC = typeConfigs->configs.size(); 3695 for (size_t tci=0; tci<NTC; tci++) { 3696 const ResTable_type* const ty = typeConfigs->configs[tci]; 3697 const uint32_t typeOffset = dtohl(ty->entriesStart); 3698 3699 const uint8_t* const end = ((const uint8_t*)ty) + dtohl(ty->header.size); 3700 const uint32_t* const eindex = (const uint32_t*) 3701 (((const uint8_t*)ty) + dtohs(ty->header.headerSize)); 3702 3703 const size_t NE = dtohl(ty->entryCount); 3704 for (size_t i=0; i<NE; i++) { 3705 uint32_t offset = dtohl(eindex[i]); 3706 if (offset == ResTable_type::NO_ENTRY) { 3707 continue; 3708 } 3709 3710 offset += typeOffset; 3711 3712 if (offset > (dtohl(ty->header.size)-sizeof(ResTable_entry))) { 3713 ALOGW("ResTable_entry at %d is beyond type chunk data %d", 3714 offset, dtohl(ty->header.size)); 3715 return 0; 3716 } 3717 if ((offset&0x3) != 0) { 3718 ALOGW("ResTable_entry at %d (pkg=%d type=%d ent=%d) is not on an integer boundary when looking for %s:%s/%s", 3719 (int)offset, (int)group->id, (int)ti+1, (int)i, 3720 String8(package, packageLen).string(), 3721 String8(type, typeLen).string(), 3722 String8(name, nameLen).string()); 3723 return 0; 3724 } 3725 3726 const ResTable_entry* const entry = (const ResTable_entry*) 3727 (((const uint8_t*)ty) + offset); 3728 if (dtohs(entry->size) < sizeof(*entry)) { 3729 ALOGW("ResTable_entry size %d is too small", dtohs(entry->size)); 3730 return BAD_TYPE; 3731 } 3732 3733 TABLE_SUPER_NOISY(printf("Looking at entry #%d: want str %d, have %d\n", 3734 i, ei, dtohl(entry->key.index))); 3735 if (dtohl(entry->key.index) == (size_t)ei) { 3736 if (outTypeSpecFlags) { 3737 *outTypeSpecFlags = typeConfigs->typeSpecFlags[i]; 3738 if (fakePublic) { 3739 *outTypeSpecFlags |= ResTable_typeSpec::SPEC_PUBLIC; 3740 } 3741 } 3742 return Res_MAKEID(group->id-1, ti, i); 3743 } 3744 } 3745 } 3746 } 3747 3748 return 0; 3749 } 3750 3751 bool ResTable::expandResourceRef(const uint16_t* refStr, size_t refLen, 3752 String16* outPackage, 3753 String16* outType, 3754 String16* outName, 3755 const String16* defType, 3756 const String16* defPackage, 3757 const char** outErrorMsg, 3758 bool* outPublicOnly) 3759 { 3760 const char16_t* packageEnd = NULL; 3761 const char16_t* typeEnd = NULL; 3762 const char16_t* p = refStr; 3763 const char16_t* const end = p + refLen; 3764 while (p < end) { 3765 if (*p == ':') packageEnd = p; 3766 else if (*p == '/') { 3767 typeEnd = p; 3768 break; 3769 } 3770 p++; 3771 } 3772 p = refStr; 3773 if (*p == '@') p++; 3774 3775 if (outPublicOnly != NULL) { 3776 *outPublicOnly = true; 3777 } 3778 if (*p == '*') { 3779 p++; 3780 if (outPublicOnly != NULL) { 3781 *outPublicOnly = false; 3782 } 3783 } 3784 3785 if (packageEnd) { 3786 *outPackage = String16(p, packageEnd-p); 3787 p = packageEnd+1; 3788 } else { 3789 if (!defPackage) { 3790 if (outErrorMsg) { 3791 *outErrorMsg = "No resource package specified"; 3792 } 3793 return false; 3794 } 3795 *outPackage = *defPackage; 3796 } 3797 if (typeEnd) { 3798 *outType = String16(p, typeEnd-p); 3799 p = typeEnd+1; 3800 } else { 3801 if (!defType) { 3802 if (outErrorMsg) { 3803 *outErrorMsg = "No resource type specified"; 3804 } 3805 return false; 3806 } 3807 *outType = *defType; 3808 } 3809 *outName = String16(p, end-p); 3810 if(**outPackage == 0) { 3811 if(outErrorMsg) { 3812 *outErrorMsg = "Resource package cannot be an empty string"; 3813 } 3814 return false; 3815 } 3816 if(**outType == 0) { 3817 if(outErrorMsg) { 3818 *outErrorMsg = "Resource type cannot be an empty string"; 3819 } 3820 return false; 3821 } 3822 if(**outName == 0) { 3823 if(outErrorMsg) { 3824 *outErrorMsg = "Resource id cannot be an empty string"; 3825 } 3826 return false; 3827 } 3828 return true; 3829 } 3830 3831 static uint32_t get_hex(char c, bool* outError) 3832 { 3833 if (c >= '0' && c <= '9') { 3834 return c - '0'; 3835 } else if (c >= 'a' && c <= 'f') { 3836 return c - 'a' + 0xa; 3837 } else if (c >= 'A' && c <= 'F') { 3838 return c - 'A' + 0xa; 3839 } 3840 *outError = true; 3841 return 0; 3842 } 3843 3844 struct unit_entry 3845 { 3846 const char* name; 3847 size_t len; 3848 uint8_t type; 3849 uint32_t unit; 3850 float scale; 3851 }; 3852 3853 static const unit_entry unitNames[] = { 3854 { "px", strlen("px"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PX, 1.0f }, 3855 { "dip", strlen("dip"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 3856 { "dp", strlen("dp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 3857 { "sp", strlen("sp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_SP, 1.0f }, 3858 { "pt", strlen("pt"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PT, 1.0f }, 3859 { "in", strlen("in"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_IN, 1.0f }, 3860 { "mm", strlen("mm"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_MM, 1.0f }, 3861 { "%", strlen("%"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION, 1.0f/100 }, 3862 { "%p", strlen("%p"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION_PARENT, 1.0f/100 }, 3863 { NULL, 0, 0, 0, 0 } 3864 }; 3865 3866 static bool parse_unit(const char* str, Res_value* outValue, 3867 float* outScale, const char** outEnd) 3868 { 3869 const char* end = str; 3870 while (*end != 0 && !isspace((unsigned char)*end)) { 3871 end++; 3872 } 3873 const size_t len = end-str; 3874 3875 const char* realEnd = end; 3876 while (*realEnd != 0 && isspace((unsigned char)*realEnd)) { 3877 realEnd++; 3878 } 3879 if (*realEnd != 0) { 3880 return false; 3881 } 3882 3883 const unit_entry* cur = unitNames; 3884 while (cur->name) { 3885 if (len == cur->len && strncmp(cur->name, str, len) == 0) { 3886 outValue->dataType = cur->type; 3887 outValue->data = cur->unit << Res_value::COMPLEX_UNIT_SHIFT; 3888 *outScale = cur->scale; 3889 *outEnd = end; 3890 //printf("Found unit %s for %s\n", cur->name, str); 3891 return true; 3892 } 3893 cur++; 3894 } 3895 3896 return false; 3897 } 3898 3899 3900 bool ResTable::stringToInt(const char16_t* s, size_t len, Res_value* outValue) 3901 { 3902 while (len > 0 && isspace16(*s)) { 3903 s++; 3904 len--; 3905 } 3906 3907 if (len <= 0) { 3908 return false; 3909 } 3910 3911 size_t i = 0; 3912 int32_t val = 0; 3913 bool neg = false; 3914 3915 if (*s == '-') { 3916 neg = true; 3917 i++; 3918 } 3919 3920 if (s[i] < '0' || s[i] > '9') { 3921 return false; 3922 } 3923 3924 // Decimal or hex? 3925 if (s[i] == '0' && s[i+1] == 'x') { 3926 if (outValue) 3927 outValue->dataType = outValue->TYPE_INT_HEX; 3928 i += 2; 3929 bool error = false; 3930 while (i < len && !error) { 3931 val = (val*16) + get_hex(s[i], &error); 3932 i++; 3933 } 3934 if (error) { 3935 return false; 3936 } 3937 } else { 3938 if (outValue) 3939 outValue->dataType = outValue->TYPE_INT_DEC; 3940 while (i < len) { 3941 if (s[i] < '0' || s[i] > '9') { 3942 return false; 3943 } 3944 val = (val*10) + s[i]-'0'; 3945 i++; 3946 } 3947 } 3948 3949 if (neg) val = -val; 3950 3951 while (i < len && isspace16(s[i])) { 3952 i++; 3953 } 3954 3955 if (i == len) { 3956 if (outValue) 3957 outValue->data = val; 3958 return true; 3959 } 3960 3961 return false; 3962 } 3963 3964 bool ResTable::stringToFloat(const char16_t* s, size_t len, Res_value* outValue) 3965 { 3966 while (len > 0 && isspace16(*s)) { 3967 s++; 3968 len--; 3969 } 3970 3971 if (len <= 0) { 3972 return false; 3973 } 3974 3975 char buf[128]; 3976 int i=0; 3977 while (len > 0 && *s != 0 && i < 126) { 3978 if (*s > 255) { 3979 return false; 3980 } 3981 buf[i++] = *s++; 3982 len--; 3983 } 3984 3985 if (len > 0) { 3986 return false; 3987 } 3988 if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') { 3989 return false; 3990 } 3991 3992 buf[i] = 0; 3993 const char* end; 3994 float f = strtof(buf, (char**)&end); 3995 3996 if (*end != 0 && !isspace((unsigned char)*end)) { 3997 // Might be a unit... 3998 float scale; 3999 if (parse_unit(end, outValue, &scale, &end)) { 4000 f *= scale; 4001 const bool neg = f < 0; 4002 if (neg) f = -f; 4003 uint64_t bits = (uint64_t)(f*(1<<23)+.5f); 4004 uint32_t radix; 4005 uint32_t shift; 4006 if ((bits&0x7fffff) == 0) { 4007 // Always use 23p0 if there is no fraction, just to make 4008 // things easier to read. 4009 radix = Res_value::COMPLEX_RADIX_23p0; 4010 shift = 23; 4011 } else if ((bits&0xffffffffff800000LL) == 0) { 4012 // Magnitude is zero -- can fit in 0 bits of precision. 4013 radix = Res_value::COMPLEX_RADIX_0p23; 4014 shift = 0; 4015 } else if ((bits&0xffffffff80000000LL) == 0) { 4016 // Magnitude can fit in 8 bits of precision. 4017 radix = Res_value::COMPLEX_RADIX_8p15; 4018 shift = 8; 4019 } else if ((bits&0xffffff8000000000LL) == 0) { 4020 // Magnitude can fit in 16 bits of precision. 4021 radix = Res_value::COMPLEX_RADIX_16p7; 4022 shift = 16; 4023 } else { 4024 // Magnitude needs entire range, so no fractional part. 4025 radix = Res_value::COMPLEX_RADIX_23p0; 4026 shift = 23; 4027 } 4028 int32_t mantissa = (int32_t)( 4029 (bits>>shift) & Res_value::COMPLEX_MANTISSA_MASK); 4030 if (neg) { 4031 mantissa = (-mantissa) & Res_value::COMPLEX_MANTISSA_MASK; 4032 } 4033 outValue->data |= 4034 (radix<<Res_value::COMPLEX_RADIX_SHIFT) 4035 | (mantissa<<Res_value::COMPLEX_MANTISSA_SHIFT); 4036 //printf("Input value: %f 0x%016Lx, mult: %f, radix: %d, shift: %d, final: 0x%08x\n", 4037 // f * (neg ? -1 : 1), bits, f*(1<<23), 4038 // radix, shift, outValue->data); 4039 return true; 4040 } 4041 return false; 4042 } 4043 4044 while (*end != 0 && isspace((unsigned char)*end)) { 4045 end++; 4046 } 4047 4048 if (*end == 0) { 4049 if (outValue) { 4050 outValue->dataType = outValue->TYPE_FLOAT; 4051 *(float*)(&outValue->data) = f; 4052 return true; 4053 } 4054 } 4055 4056 return false; 4057 } 4058 4059 bool ResTable::stringToValue(Res_value* outValue, String16* outString, 4060 const char16_t* s, size_t len, 4061 bool preserveSpaces, bool coerceType, 4062 uint32_t attrID, 4063 const String16* defType, 4064 const String16* defPackage, 4065 Accessor* accessor, 4066 void* accessorCookie, 4067 uint32_t attrType, 4068 bool enforcePrivate) const 4069 { 4070 bool localizationSetting = accessor != NULL && accessor->getLocalizationSetting(); 4071 const char* errorMsg = NULL; 4072 4073 outValue->size = sizeof(Res_value); 4074 outValue->res0 = 0; 4075 4076 // First strip leading/trailing whitespace. Do this before handling 4077 // escapes, so they can be used to force whitespace into the string. 4078 if (!preserveSpaces) { 4079 while (len > 0 && isspace16(*s)) { 4080 s++; 4081 len--; 4082 } 4083 while (len > 0 && isspace16(s[len-1])) { 4084 len--; 4085 } 4086 // If the string ends with '\', then we keep the space after it. 4087 if (len > 0 && s[len-1] == '\\' && s[len] != 0) { 4088 len++; 4089 } 4090 } 4091 4092 //printf("Value for: %s\n", String8(s, len).string()); 4093 4094 uint32_t l10nReq = ResTable_map::L10N_NOT_REQUIRED; 4095 uint32_t attrMin = 0x80000000, attrMax = 0x7fffffff; 4096 bool fromAccessor = false; 4097 if (attrID != 0 && !Res_INTERNALID(attrID)) { 4098 const ssize_t p = getResourcePackageIndex(attrID); 4099 const bag_entry* bag; 4100 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4101 //printf("For attr 0x%08x got bag of %d\n", attrID, cnt); 4102 if (cnt >= 0) { 4103 while (cnt > 0) { 4104 //printf("Entry 0x%08x = 0x%08x\n", bag->map.name.ident, bag->map.value.data); 4105 switch (bag->map.name.ident) { 4106 case ResTable_map::ATTR_TYPE: 4107 attrType = bag->map.value.data; 4108 break; 4109 case ResTable_map::ATTR_MIN: 4110 attrMin = bag->map.value.data; 4111 break; 4112 case ResTable_map::ATTR_MAX: 4113 attrMax = bag->map.value.data; 4114 break; 4115 case ResTable_map::ATTR_L10N: 4116 l10nReq = bag->map.value.data; 4117 break; 4118 } 4119 bag++; 4120 cnt--; 4121 } 4122 unlockBag(bag); 4123 } else if (accessor && accessor->getAttributeType(attrID, &attrType)) { 4124 fromAccessor = true; 4125 if (attrType == ResTable_map::TYPE_ENUM 4126 || attrType == ResTable_map::TYPE_FLAGS 4127 || attrType == ResTable_map::TYPE_INTEGER) { 4128 accessor->getAttributeMin(attrID, &attrMin); 4129 accessor->getAttributeMax(attrID, &attrMax); 4130 } 4131 if (localizationSetting) { 4132 l10nReq = accessor->getAttributeL10N(attrID); 4133 } 4134 } 4135 } 4136 4137 const bool canStringCoerce = 4138 coerceType && (attrType&ResTable_map::TYPE_STRING) != 0; 4139 4140 if (*s == '@') { 4141 outValue->dataType = outValue->TYPE_REFERENCE; 4142 4143 // Note: we don't check attrType here because the reference can 4144 // be to any other type; we just need to count on the client making 4145 // sure the referenced type is correct. 4146 4147 //printf("Looking up ref: %s\n", String8(s, len).string()); 4148 4149 // It's a reference! 4150 if (len == 5 && s[1]=='n' && s[2]=='u' && s[3]=='l' && s[4]=='l') { 4151 outValue->data = 0; 4152 return true; 4153 } else { 4154 bool createIfNotFound = false; 4155 const char16_t* resourceRefName; 4156 int resourceNameLen; 4157 if (len > 2 && s[1] == '+') { 4158 createIfNotFound = true; 4159 resourceRefName = s + 2; 4160 resourceNameLen = len - 2; 4161 } else if (len > 2 && s[1] == '*') { 4162 enforcePrivate = false; 4163 resourceRefName = s + 2; 4164 resourceNameLen = len - 2; 4165 } else { 4166 createIfNotFound = false; 4167 resourceRefName = s + 1; 4168 resourceNameLen = len - 1; 4169 } 4170 String16 package, type, name; 4171 if (!expandResourceRef(resourceRefName,resourceNameLen, &package, &type, &name, 4172 defType, defPackage, &errorMsg)) { 4173 if (accessor != NULL) { 4174 accessor->reportError(accessorCookie, errorMsg); 4175 } 4176 return false; 4177 } 4178 4179 uint32_t specFlags = 0; 4180 uint32_t rid = identifierForName(name.string(), name.size(), type.string(), 4181 type.size(), package.string(), package.size(), &specFlags); 4182 if (rid != 0) { 4183 if (enforcePrivate) { 4184 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 4185 if (accessor != NULL) { 4186 accessor->reportError(accessorCookie, "Resource is not public."); 4187 } 4188 return false; 4189 } 4190 } 4191 if (!accessor) { 4192 outValue->data = rid; 4193 return true; 4194 } 4195 rid = Res_MAKEID( 4196 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 4197 Res_GETTYPE(rid), Res_GETENTRY(rid)); 4198 TABLE_NOISY(printf("Incl %s:%s/%s: 0x%08x\n", 4199 String8(package).string(), String8(type).string(), 4200 String8(name).string(), rid)); 4201 outValue->data = rid; 4202 return true; 4203 } 4204 4205 if (accessor) { 4206 uint32_t rid = accessor->getCustomResourceWithCreation(package, type, name, 4207 createIfNotFound); 4208 if (rid != 0) { 4209 TABLE_NOISY(printf("Pckg %s:%s/%s: 0x%08x\n", 4210 String8(package).string(), String8(type).string(), 4211 String8(name).string(), rid)); 4212 outValue->data = rid; 4213 return true; 4214 } 4215 } 4216 } 4217 4218 if (accessor != NULL) { 4219 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 4220 } 4221 return false; 4222 } 4223 4224 // if we got to here, and localization is required and it's not a reference, 4225 // complain and bail. 4226 if (l10nReq == ResTable_map::L10N_SUGGESTED) { 4227 if (localizationSetting) { 4228 if (accessor != NULL) { 4229 accessor->reportError(accessorCookie, "This attribute must be localized."); 4230 } 4231 } 4232 } 4233 4234 if (*s == '#') { 4235 // It's a color! Convert to an integer of the form 0xaarrggbb. 4236 uint32_t color = 0; 4237 bool error = false; 4238 if (len == 4) { 4239 outValue->dataType = outValue->TYPE_INT_COLOR_RGB4; 4240 color |= 0xFF000000; 4241 color |= get_hex(s[1], &error) << 20; 4242 color |= get_hex(s[1], &error) << 16; 4243 color |= get_hex(s[2], &error) << 12; 4244 color |= get_hex(s[2], &error) << 8; 4245 color |= get_hex(s[3], &error) << 4; 4246 color |= get_hex(s[3], &error); 4247 } else if (len == 5) { 4248 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB4; 4249 color |= get_hex(s[1], &error) << 28; 4250 color |= get_hex(s[1], &error) << 24; 4251 color |= get_hex(s[2], &error) << 20; 4252 color |= get_hex(s[2], &error) << 16; 4253 color |= get_hex(s[3], &error) << 12; 4254 color |= get_hex(s[3], &error) << 8; 4255 color |= get_hex(s[4], &error) << 4; 4256 color |= get_hex(s[4], &error); 4257 } else if (len == 7) { 4258 outValue->dataType = outValue->TYPE_INT_COLOR_RGB8; 4259 color |= 0xFF000000; 4260 color |= get_hex(s[1], &error) << 20; 4261 color |= get_hex(s[2], &error) << 16; 4262 color |= get_hex(s[3], &error) << 12; 4263 color |= get_hex(s[4], &error) << 8; 4264 color |= get_hex(s[5], &error) << 4; 4265 color |= get_hex(s[6], &error); 4266 } else if (len == 9) { 4267 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB8; 4268 color |= get_hex(s[1], &error) << 28; 4269 color |= get_hex(s[2], &error) << 24; 4270 color |= get_hex(s[3], &error) << 20; 4271 color |= get_hex(s[4], &error) << 16; 4272 color |= get_hex(s[5], &error) << 12; 4273 color |= get_hex(s[6], &error) << 8; 4274 color |= get_hex(s[7], &error) << 4; 4275 color |= get_hex(s[8], &error); 4276 } else { 4277 error = true; 4278 } 4279 if (!error) { 4280 if ((attrType&ResTable_map::TYPE_COLOR) == 0) { 4281 if (!canStringCoerce) { 4282 if (accessor != NULL) { 4283 accessor->reportError(accessorCookie, 4284 "Color types not allowed"); 4285 } 4286 return false; 4287 } 4288 } else { 4289 outValue->data = color; 4290 //printf("Color input=%s, output=0x%x\n", String8(s, len).string(), color); 4291 return true; 4292 } 4293 } else { 4294 if ((attrType&ResTable_map::TYPE_COLOR) != 0) { 4295 if (accessor != NULL) { 4296 accessor->reportError(accessorCookie, "Color value not valid --" 4297 " must be #rgb, #argb, #rrggbb, or #aarrggbb"); 4298 } 4299 #if 0 4300 fprintf(stderr, "%s: Color ID %s value %s is not valid\n", 4301 "Resource File", //(const char*)in->getPrintableSource(), 4302 String8(*curTag).string(), 4303 String8(s, len).string()); 4304 #endif 4305 return false; 4306 } 4307 } 4308 } 4309 4310 if (*s == '?') { 4311 outValue->dataType = outValue->TYPE_ATTRIBUTE; 4312 4313 // Note: we don't check attrType here because the reference can 4314 // be to any other type; we just need to count on the client making 4315 // sure the referenced type is correct. 4316 4317 //printf("Looking up attr: %s\n", String8(s, len).string()); 4318 4319 static const String16 attr16("attr"); 4320 String16 package, type, name; 4321 if (!expandResourceRef(s+1, len-1, &package, &type, &name, 4322 &attr16, defPackage, &errorMsg)) { 4323 if (accessor != NULL) { 4324 accessor->reportError(accessorCookie, errorMsg); 4325 } 4326 return false; 4327 } 4328 4329 //printf("Pkg: %s, Type: %s, Name: %s\n", 4330 // String8(package).string(), String8(type).string(), 4331 // String8(name).string()); 4332 uint32_t specFlags = 0; 4333 uint32_t rid = 4334 identifierForName(name.string(), name.size(), 4335 type.string(), type.size(), 4336 package.string(), package.size(), &specFlags); 4337 if (rid != 0) { 4338 if (enforcePrivate) { 4339 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 4340 if (accessor != NULL) { 4341 accessor->reportError(accessorCookie, "Attribute is not public."); 4342 } 4343 return false; 4344 } 4345 } 4346 if (!accessor) { 4347 outValue->data = rid; 4348 return true; 4349 } 4350 rid = Res_MAKEID( 4351 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 4352 Res_GETTYPE(rid), Res_GETENTRY(rid)); 4353 //printf("Incl %s:%s/%s: 0x%08x\n", 4354 // String8(package).string(), String8(type).string(), 4355 // String8(name).string(), rid); 4356 outValue->data = rid; 4357 return true; 4358 } 4359 4360 if (accessor) { 4361 uint32_t rid = accessor->getCustomResource(package, type, name); 4362 if (rid != 0) { 4363 //printf("Mine %s:%s/%s: 0x%08x\n", 4364 // String8(package).string(), String8(type).string(), 4365 // String8(name).string(), rid); 4366 outValue->data = rid; 4367 return true; 4368 } 4369 } 4370 4371 if (accessor != NULL) { 4372 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 4373 } 4374 return false; 4375 } 4376 4377 if (stringToInt(s, len, outValue)) { 4378 if ((attrType&ResTable_map::TYPE_INTEGER) == 0) { 4379 // If this type does not allow integers, but does allow floats, 4380 // fall through on this error case because the float type should 4381 // be able to accept any integer value. 4382 if (!canStringCoerce && (attrType&ResTable_map::TYPE_FLOAT) == 0) { 4383 if (accessor != NULL) { 4384 accessor->reportError(accessorCookie, "Integer types not allowed"); 4385 } 4386 return false; 4387 } 4388 } else { 4389 if (((int32_t)outValue->data) < ((int32_t)attrMin) 4390 || ((int32_t)outValue->data) > ((int32_t)attrMax)) { 4391 if (accessor != NULL) { 4392 accessor->reportError(accessorCookie, "Integer value out of range"); 4393 } 4394 return false; 4395 } 4396 return true; 4397 } 4398 } 4399 4400 if (stringToFloat(s, len, outValue)) { 4401 if (outValue->dataType == Res_value::TYPE_DIMENSION) { 4402 if ((attrType&ResTable_map::TYPE_DIMENSION) != 0) { 4403 return true; 4404 } 4405 if (!canStringCoerce) { 4406 if (accessor != NULL) { 4407 accessor->reportError(accessorCookie, "Dimension types not allowed"); 4408 } 4409 return false; 4410 } 4411 } else if (outValue->dataType == Res_value::TYPE_FRACTION) { 4412 if ((attrType&ResTable_map::TYPE_FRACTION) != 0) { 4413 return true; 4414 } 4415 if (!canStringCoerce) { 4416 if (accessor != NULL) { 4417 accessor->reportError(accessorCookie, "Fraction types not allowed"); 4418 } 4419 return false; 4420 } 4421 } else if ((attrType&ResTable_map::TYPE_FLOAT) == 0) { 4422 if (!canStringCoerce) { 4423 if (accessor != NULL) { 4424 accessor->reportError(accessorCookie, "Float types not allowed"); 4425 } 4426 return false; 4427 } 4428 } else { 4429 return true; 4430 } 4431 } 4432 4433 if (len == 4) { 4434 if ((s[0] == 't' || s[0] == 'T') && 4435 (s[1] == 'r' || s[1] == 'R') && 4436 (s[2] == 'u' || s[2] == 'U') && 4437 (s[3] == 'e' || s[3] == 'E')) { 4438 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 4439 if (!canStringCoerce) { 4440 if (accessor != NULL) { 4441 accessor->reportError(accessorCookie, "Boolean types not allowed"); 4442 } 4443 return false; 4444 } 4445 } else { 4446 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 4447 outValue->data = (uint32_t)-1; 4448 return true; 4449 } 4450 } 4451 } 4452 4453 if (len == 5) { 4454 if ((s[0] == 'f' || s[0] == 'F') && 4455 (s[1] == 'a' || s[1] == 'A') && 4456 (s[2] == 'l' || s[2] == 'L') && 4457 (s[3] == 's' || s[3] == 'S') && 4458 (s[4] == 'e' || s[4] == 'E')) { 4459 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 4460 if (!canStringCoerce) { 4461 if (accessor != NULL) { 4462 accessor->reportError(accessorCookie, "Boolean types not allowed"); 4463 } 4464 return false; 4465 } 4466 } else { 4467 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 4468 outValue->data = 0; 4469 return true; 4470 } 4471 } 4472 } 4473 4474 if ((attrType&ResTable_map::TYPE_ENUM) != 0) { 4475 const ssize_t p = getResourcePackageIndex(attrID); 4476 const bag_entry* bag; 4477 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4478 //printf("Got %d for enum\n", cnt); 4479 if (cnt >= 0) { 4480 resource_name rname; 4481 while (cnt > 0) { 4482 if (!Res_INTERNALID(bag->map.name.ident)) { 4483 //printf("Trying attr #%08x\n", bag->map.name.ident); 4484 if (getResourceName(bag->map.name.ident, &rname)) { 4485 #if 0 4486 printf("Matching %s against %s (0x%08x)\n", 4487 String8(s, len).string(), 4488 String8(rname.name, rname.nameLen).string(), 4489 bag->map.name.ident); 4490 #endif 4491 if (strzcmp16(s, len, rname.name, rname.nameLen) == 0) { 4492 outValue->dataType = bag->map.value.dataType; 4493 outValue->data = bag->map.value.data; 4494 unlockBag(bag); 4495 return true; 4496 } 4497 } 4498 4499 } 4500 bag++; 4501 cnt--; 4502 } 4503 unlockBag(bag); 4504 } 4505 4506 if (fromAccessor) { 4507 if (accessor->getAttributeEnum(attrID, s, len, outValue)) { 4508 return true; 4509 } 4510 } 4511 } 4512 4513 if ((attrType&ResTable_map::TYPE_FLAGS) != 0) { 4514 const ssize_t p = getResourcePackageIndex(attrID); 4515 const bag_entry* bag; 4516 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4517 //printf("Got %d for flags\n", cnt); 4518 if (cnt >= 0) { 4519 bool failed = false; 4520 resource_name rname; 4521 outValue->dataType = Res_value::TYPE_INT_HEX; 4522 outValue->data = 0; 4523 const char16_t* end = s + len; 4524 const char16_t* pos = s; 4525 while (pos < end && !failed) { 4526 const char16_t* start = pos; 4527 pos++; 4528 while (pos < end && *pos != '|') { 4529 pos++; 4530 } 4531 //printf("Looking for: %s\n", String8(start, pos-start).string()); 4532 const bag_entry* bagi = bag; 4533 ssize_t i; 4534 for (i=0; i<cnt; i++, bagi++) { 4535 if (!Res_INTERNALID(bagi->map.name.ident)) { 4536 //printf("Trying attr #%08x\n", bagi->map.name.ident); 4537 if (getResourceName(bagi->map.name.ident, &rname)) { 4538 #if 0 4539 printf("Matching %s against %s (0x%08x)\n", 4540 String8(start,pos-start).string(), 4541 String8(rname.name, rname.nameLen).string(), 4542 bagi->map.name.ident); 4543 #endif 4544 if (strzcmp16(start, pos-start, rname.name, rname.nameLen) == 0) { 4545 outValue->data |= bagi->map.value.data; 4546 break; 4547 } 4548 } 4549 } 4550 } 4551 if (i >= cnt) { 4552 // Didn't find this flag identifier. 4553 failed = true; 4554 } 4555 if (pos < end) { 4556 pos++; 4557 } 4558 } 4559 unlockBag(bag); 4560 if (!failed) { 4561 //printf("Final flag value: 0x%lx\n", outValue->data); 4562 return true; 4563 } 4564 } 4565 4566 4567 if (fromAccessor) { 4568 if (accessor->getAttributeFlags(attrID, s, len, outValue)) { 4569 //printf("Final flag value: 0x%lx\n", outValue->data); 4570 return true; 4571 } 4572 } 4573 } 4574 4575 if ((attrType&ResTable_map::TYPE_STRING) == 0) { 4576 if (accessor != NULL) { 4577 accessor->reportError(accessorCookie, "String types not allowed"); 4578 } 4579 return false; 4580 } 4581 4582 // Generic string handling... 4583 outValue->dataType = outValue->TYPE_STRING; 4584 if (outString) { 4585 bool failed = collectString(outString, s, len, preserveSpaces, &errorMsg); 4586 if (accessor != NULL) { 4587 accessor->reportError(accessorCookie, errorMsg); 4588 } 4589 return failed; 4590 } 4591 4592 return true; 4593 } 4594 4595 bool ResTable::collectString(String16* outString, 4596 const char16_t* s, size_t len, 4597 bool preserveSpaces, 4598 const char** outErrorMsg, 4599 bool append) 4600 { 4601 String16 tmp; 4602 4603 char quoted = 0; 4604 const char16_t* p = s; 4605 while (p < (s+len)) { 4606 while (p < (s+len)) { 4607 const char16_t c = *p; 4608 if (c == '\\') { 4609 break; 4610 } 4611 if (!preserveSpaces) { 4612 if (quoted == 0 && isspace16(c) 4613 && (c != ' ' || isspace16(*(p+1)))) { 4614 break; 4615 } 4616 if (c == '"' && (quoted == 0 || quoted == '"')) { 4617 break; 4618 } 4619 if (c == '\'' && (quoted == 0 || quoted == '\'')) { 4620 /* 4621 * In practice, when people write ' instead of \' 4622 * in a string, they are doing it by accident 4623 * instead of really meaning to use ' as a quoting 4624 * character. Warn them so they don't lose it. 4625 */ 4626 if (outErrorMsg) { 4627 *outErrorMsg = "Apostrophe not preceded by \\"; 4628 } 4629 return false; 4630 } 4631 } 4632 p++; 4633 } 4634 if (p < (s+len)) { 4635 if (p > s) { 4636 tmp.append(String16(s, p-s)); 4637 } 4638 if (!preserveSpaces && (*p == '"' || *p == '\'')) { 4639 if (quoted == 0) { 4640 quoted = *p; 4641 } else { 4642 quoted = 0; 4643 } 4644 p++; 4645 } else if (!preserveSpaces && isspace16(*p)) { 4646 // Space outside of a quote -- consume all spaces and 4647 // leave a single plain space char. 4648 tmp.append(String16(" ")); 4649 p++; 4650 while (p < (s+len) && isspace16(*p)) { 4651 p++; 4652 } 4653 } else if (*p == '\\') { 4654 p++; 4655 if (p < (s+len)) { 4656 switch (*p) { 4657 case 't': 4658 tmp.append(String16("\t")); 4659 break; 4660 case 'n': 4661 tmp.append(String16("\n")); 4662 break; 4663 case '#': 4664 tmp.append(String16("#")); 4665 break; 4666 case '@': 4667 tmp.append(String16("@")); 4668 break; 4669 case '?': 4670 tmp.append(String16("?")); 4671 break; 4672 case '"': 4673 tmp.append(String16("\"")); 4674 break; 4675 case '\'': 4676 tmp.append(String16("'")); 4677 break; 4678 case '\\': 4679 tmp.append(String16("\\")); 4680 break; 4681 case 'u': 4682 { 4683 char16_t chr = 0; 4684 int i = 0; 4685 while (i < 4 && p[1] != 0) { 4686 p++; 4687 i++; 4688 int c; 4689 if (*p >= '0' && *p <= '9') { 4690 c = *p - '0'; 4691 } else if (*p >= 'a' && *p <= 'f') { 4692 c = *p - 'a' + 10; 4693 } else if (*p >= 'A' && *p <= 'F') { 4694 c = *p - 'A' + 10; 4695 } else { 4696 if (outErrorMsg) { 4697 *outErrorMsg = "Bad character in \\u unicode escape sequence"; 4698 } 4699 return false; 4700 } 4701 chr = (chr<<4) | c; 4702 } 4703 tmp.append(String16(&chr, 1)); 4704 } break; 4705 default: 4706 // ignore unknown escape chars. 4707 break; 4708 } 4709 p++; 4710 } 4711 } 4712 len -= (p-s); 4713 s = p; 4714 } 4715 } 4716 4717 if (tmp.size() != 0) { 4718 if (len > 0) { 4719 tmp.append(String16(s, len)); 4720 } 4721 if (append) { 4722 outString->append(tmp); 4723 } else { 4724 outString->setTo(tmp); 4725 } 4726 } else { 4727 if (append) { 4728 outString->append(String16(s, len)); 4729 } else { 4730 outString->setTo(s, len); 4731 } 4732 } 4733 4734 return true; 4735 } 4736 4737 size_t ResTable::getBasePackageCount() const 4738 { 4739 if (mError != NO_ERROR) { 4740 return 0; 4741 } 4742 return mPackageGroups.size(); 4743 } 4744 4745 const char16_t* ResTable::getBasePackageName(size_t idx) const 4746 { 4747 if (mError != NO_ERROR) { 4748 return 0; 4749 } 4750 LOG_FATAL_IF(idx >= mPackageGroups.size(), 4751 "Requested package index %d past package count %d", 4752 (int)idx, (int)mPackageGroups.size()); 4753 return mPackageGroups[idx]->name.string(); 4754 } 4755 4756 uint32_t ResTable::getBasePackageId(size_t idx) const 4757 { 4758 if (mError != NO_ERROR) { 4759 return 0; 4760 } 4761 LOG_FATAL_IF(idx >= mPackageGroups.size(), 4762 "Requested package index %d past package count %d", 4763 (int)idx, (int)mPackageGroups.size()); 4764 return mPackageGroups[idx]->id; 4765 } 4766 4767 size_t ResTable::getTableCount() const 4768 { 4769 return mHeaders.size(); 4770 } 4771 4772 const ResStringPool* ResTable::getTableStringBlock(size_t index) const 4773 { 4774 return &mHeaders[index]->values; 4775 } 4776 4777 void* ResTable::getTableCookie(size_t index) const 4778 { 4779 return mHeaders[index]->cookie; 4780 } 4781 4782 void ResTable::getConfigurations(Vector<ResTable_config>* configs) const 4783 { 4784 const size_t I = mPackageGroups.size(); 4785 for (size_t i=0; i<I; i++) { 4786 const PackageGroup* packageGroup = mPackageGroups[i]; 4787 const size_t J = packageGroup->packages.size(); 4788 for (size_t j=0; j<J; j++) { 4789 const Package* package = packageGroup->packages[j]; 4790 const size_t K = package->types.size(); 4791 for (size_t k=0; k<K; k++) { 4792 const Type* type = package->types[k]; 4793 if (type == NULL) continue; 4794 const size_t L = type->configs.size(); 4795 for (size_t l=0; l<L; l++) { 4796 const ResTable_type* config = type->configs[l]; 4797 const ResTable_config* cfg = &config->config; 4798 // only insert unique 4799 const size_t M = configs->size(); 4800 size_t m; 4801 for (m=0; m<M; m++) { 4802 if (0 == (*configs)[m].compare(*cfg)) { 4803 break; 4804 } 4805 } 4806 // if we didn't find it 4807 if (m == M) { 4808 configs->add(*cfg); 4809 } 4810 } 4811 } 4812 } 4813 } 4814 } 4815 4816 void ResTable::getLocales(Vector<String8>* locales) const 4817 { 4818 Vector<ResTable_config> configs; 4819 ALOGV("calling getConfigurations"); 4820 getConfigurations(&configs); 4821 ALOGV("called getConfigurations size=%d", (int)configs.size()); 4822 const size_t I = configs.size(); 4823 for (size_t i=0; i<I; i++) { 4824 char locale[6]; 4825 configs[i].getLocale(locale); 4826 const size_t J = locales->size(); 4827 size_t j; 4828 for (j=0; j<J; j++) { 4829 if (0 == strcmp(locale, (*locales)[j].string())) { 4830 break; 4831 } 4832 } 4833 if (j == J) { 4834 locales->add(String8(locale)); 4835 } 4836 } 4837 } 4838 4839 ssize_t ResTable::getEntry( 4840 const Package* package, int typeIndex, int entryIndex, 4841 const ResTable_config* config, 4842 const ResTable_type** outType, const ResTable_entry** outEntry, 4843 const Type** outTypeClass) const 4844 { 4845 ALOGV("Getting entry from package %p\n", package); 4846 const ResTable_package* const pkg = package->package; 4847 4848 const Type* allTypes = package->getType(typeIndex); 4849 ALOGV("allTypes=%p\n", allTypes); 4850 if (allTypes == NULL) { 4851 ALOGV("Skipping entry type index 0x%02x because type is NULL!\n", typeIndex); 4852 return 0; 4853 } 4854 4855 if ((size_t)entryIndex >= allTypes->entryCount) { 4856 ALOGW("getEntry failing because entryIndex %d is beyond type entryCount %d", 4857 entryIndex, (int)allTypes->entryCount); 4858 return BAD_TYPE; 4859 } 4860 4861 const ResTable_type* type = NULL; 4862 uint32_t offset = ResTable_type::NO_ENTRY; 4863 ResTable_config bestConfig; 4864 memset(&bestConfig, 0, sizeof(bestConfig)); // make the compiler shut up 4865 4866 const size_t NT = allTypes->configs.size(); 4867 for (size_t i=0; i<NT; i++) { 4868 const ResTable_type* const thisType = allTypes->configs[i]; 4869 if (thisType == NULL) continue; 4870 4871 ResTable_config thisConfig; 4872 thisConfig.copyFromDtoH(thisType->config); 4873 4874 TABLE_GETENTRY(ALOGI("Match entry 0x%x in type 0x%x (sz 0x%x): %s\n", 4875 entryIndex, typeIndex+1, dtohl(thisType->config.size), 4876 thisConfig.toString().string())); 4877 4878 // Check to make sure this one is valid for the current parameters. 4879 if (config && !thisConfig.match(*config)) { 4880 TABLE_GETENTRY(ALOGI("Does not match config!\n")); 4881 continue; 4882 } 4883 4884 // Check if there is the desired entry in this type. 4885 4886 const uint8_t* const end = ((const uint8_t*)thisType) 4887 + dtohl(thisType->header.size); 4888 const uint32_t* const eindex = (const uint32_t*) 4889 (((const uint8_t*)thisType) + dtohs(thisType->header.headerSize)); 4890 4891 uint32_t thisOffset = dtohl(eindex[entryIndex]); 4892 if (thisOffset == ResTable_type::NO_ENTRY) { 4893 TABLE_GETENTRY(ALOGI("Skipping because it is not defined!\n")); 4894 continue; 4895 } 4896 4897 if (type != NULL) { 4898 // Check if this one is less specific than the last found. If so, 4899 // we will skip it. We check starting with things we most care 4900 // about to those we least care about. 4901 if (!thisConfig.isBetterThan(bestConfig, config)) { 4902 TABLE_GETENTRY(ALOGI("This config is worse than last!\n")); 4903 continue; 4904 } 4905 } 4906 4907 type = thisType; 4908 offset = thisOffset; 4909 bestConfig = thisConfig; 4910 TABLE_GETENTRY(ALOGI("Best entry so far -- using it!\n")); 4911 if (!config) break; 4912 } 4913 4914 if (type == NULL) { 4915 TABLE_GETENTRY(ALOGI("No value found for requested entry!\n")); 4916 return BAD_INDEX; 4917 } 4918 4919 offset += dtohl(type->entriesStart); 4920 TABLE_NOISY(aout << "Looking in resource table " << package->header->header 4921 << ", typeOff=" 4922 << (void*)(((const char*)type)-((const char*)package->header->header)) 4923 << ", offset=" << (void*)offset << endl); 4924 4925 if (offset > (dtohl(type->header.size)-sizeof(ResTable_entry))) { 4926 ALOGW("ResTable_entry at 0x%x is beyond type chunk data 0x%x", 4927 offset, dtohl(type->header.size)); 4928 return BAD_TYPE; 4929 } 4930 if ((offset&0x3) != 0) { 4931 ALOGW("ResTable_entry at 0x%x is not on an integer boundary", 4932 offset); 4933 return BAD_TYPE; 4934 } 4935 4936 const ResTable_entry* const entry = (const ResTable_entry*) 4937 (((const uint8_t*)type) + offset); 4938 if (dtohs(entry->size) < sizeof(*entry)) { 4939 ALOGW("ResTable_entry size 0x%x is too small", dtohs(entry->size)); 4940 return BAD_TYPE; 4941 } 4942 4943 *outType = type; 4944 *outEntry = entry; 4945 if (outTypeClass != NULL) { 4946 *outTypeClass = allTypes; 4947 } 4948 return offset + dtohs(entry->size); 4949 } 4950 4951 status_t ResTable::parsePackage(const ResTable_package* const pkg, 4952 const Header* const header, uint32_t idmap_id) 4953 { 4954 const uint8_t* base = (const uint8_t*)pkg; 4955 status_t err = validate_chunk(&pkg->header, sizeof(*pkg), 4956 header->dataEnd, "ResTable_package"); 4957 if (err != NO_ERROR) { 4958 return (mError=err); 4959 } 4960 4961 const size_t pkgSize = dtohl(pkg->header.size); 4962 4963 if (dtohl(pkg->typeStrings) >= pkgSize) { 4964 ALOGW("ResTable_package type strings at %p are past chunk size %p.", 4965 (void*)dtohl(pkg->typeStrings), (void*)pkgSize); 4966 return (mError=BAD_TYPE); 4967 } 4968 if ((dtohl(pkg->typeStrings)&0x3) != 0) { 4969 ALOGW("ResTable_package type strings at %p is not on an integer boundary.", 4970 (void*)dtohl(pkg->typeStrings)); 4971 return (mError=BAD_TYPE); 4972 } 4973 if (dtohl(pkg->keyStrings) >= pkgSize) { 4974 ALOGW("ResTable_package key strings at %p are past chunk size %p.", 4975 (void*)dtohl(pkg->keyStrings), (void*)pkgSize); 4976 return (mError=BAD_TYPE); 4977 } 4978 if ((dtohl(pkg->keyStrings)&0x3) != 0) { 4979 ALOGW("ResTable_package key strings at %p is not on an integer boundary.", 4980 (void*)dtohl(pkg->keyStrings)); 4981 return (mError=BAD_TYPE); 4982 } 4983 4984 Package* package = NULL; 4985 PackageGroup* group = NULL; 4986 uint32_t id = idmap_id != 0 ? idmap_id : dtohl(pkg->id); 4987 // If at this point id == 0, pkg is an overlay package without a 4988 // corresponding idmap. During regular usage, overlay packages are 4989 // always loaded alongside their idmaps, but during idmap creation 4990 // the package is temporarily loaded by itself. 4991 if (id < 256) { 4992 4993 package = new Package(this, header, pkg); 4994 if (package == NULL) { 4995 return (mError=NO_MEMORY); 4996 } 4997 4998 size_t idx = mPackageMap[id]; 4999 if (idx == 0) { 5000 idx = mPackageGroups.size()+1; 5001 5002 char16_t tmpName[sizeof(pkg->name)/sizeof(char16_t)]; 5003 strcpy16_dtoh(tmpName, pkg->name, sizeof(pkg->name)/sizeof(char16_t)); 5004 group = new PackageGroup(this, String16(tmpName), id); 5005 if (group == NULL) { 5006 delete package; 5007 return (mError=NO_MEMORY); 5008 } 5009 5010 err = package->typeStrings.setTo(base+dtohl(pkg->typeStrings), 5011 header->dataEnd-(base+dtohl(pkg->typeStrings))); 5012 if (err != NO_ERROR) { 5013 delete group; 5014 delete package; 5015 return (mError=err); 5016 } 5017 err = package->keyStrings.setTo(base+dtohl(pkg->keyStrings), 5018 header->dataEnd-(base+dtohl(pkg->keyStrings))); 5019 if (err != NO_ERROR) { 5020 delete group; 5021 delete package; 5022 return (mError=err); 5023 } 5024 5025 //printf("Adding new package id %d at index %d\n", id, idx); 5026 err = mPackageGroups.add(group); 5027 if (err < NO_ERROR) { 5028 return (mError=err); 5029 } 5030 group->basePackage = package; 5031 5032 mPackageMap[id] = (uint8_t)idx; 5033 } else { 5034 group = mPackageGroups.itemAt(idx-1); 5035 if (group == NULL) { 5036 return (mError=UNKNOWN_ERROR); 5037 } 5038 } 5039 err = group->packages.add(package); 5040 if (err < NO_ERROR) { 5041 return (mError=err); 5042 } 5043 } else { 5044 LOG_ALWAYS_FATAL("Package id out of range"); 5045 return NO_ERROR; 5046 } 5047 5048 5049 // Iterate through all chunks. 5050 size_t curPackage = 0; 5051 5052 const ResChunk_header* chunk = 5053 (const ResChunk_header*)(((const uint8_t*)pkg) 5054 + dtohs(pkg->header.headerSize)); 5055 const uint8_t* endPos = ((const uint8_t*)pkg) + dtohs(pkg->header.size); 5056 while (((const uint8_t*)chunk) <= (endPos-sizeof(ResChunk_header)) && 5057 ((const uint8_t*)chunk) <= (endPos-dtohl(chunk->size))) { 5058 TABLE_NOISY(ALOGV("PackageChunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 5059 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 5060 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 5061 const size_t csize = dtohl(chunk->size); 5062 const uint16_t ctype = dtohs(chunk->type); 5063 if (ctype == RES_TABLE_TYPE_SPEC_TYPE) { 5064 const ResTable_typeSpec* typeSpec = (const ResTable_typeSpec*)(chunk); 5065 err = validate_chunk(&typeSpec->header, sizeof(*typeSpec), 5066 endPos, "ResTable_typeSpec"); 5067 if (err != NO_ERROR) { 5068 return (mError=err); 5069 } 5070 5071 const size_t typeSpecSize = dtohl(typeSpec->header.size); 5072 5073 LOAD_TABLE_NOISY(printf("TypeSpec off %p: type=0x%x, headerSize=0x%x, size=%p\n", 5074 (void*)(base-(const uint8_t*)chunk), 5075 dtohs(typeSpec->header.type), 5076 dtohs(typeSpec->header.headerSize), 5077 (void*)typeSize)); 5078 // look for block overrun or int overflow when multiplying by 4 5079 if ((dtohl(typeSpec->entryCount) > (INT32_MAX/sizeof(uint32_t)) 5080 || dtohs(typeSpec->header.headerSize)+(sizeof(uint32_t)*dtohl(typeSpec->entryCount)) 5081 > typeSpecSize)) { 5082 ALOGW("ResTable_typeSpec entry index to %p extends beyond chunk end %p.", 5083 (void*)(dtohs(typeSpec->header.headerSize) 5084 +(sizeof(uint32_t)*dtohl(typeSpec->entryCount))), 5085 (void*)typeSpecSize); 5086 return (mError=BAD_TYPE); 5087 } 5088 5089 if (typeSpec->id == 0) { 5090 ALOGW("ResTable_type has an id of 0."); 5091 return (mError=BAD_TYPE); 5092 } 5093 5094 while (package->types.size() < typeSpec->id) { 5095 package->types.add(NULL); 5096 } 5097 Type* t = package->types[typeSpec->id-1]; 5098 if (t == NULL) { 5099 t = new Type(header, package, dtohl(typeSpec->entryCount)); 5100 package->types.editItemAt(typeSpec->id-1) = t; 5101 } else if (dtohl(typeSpec->entryCount) != t->entryCount) { 5102 ALOGW("ResTable_typeSpec entry count inconsistent: given %d, previously %d", 5103 (int)dtohl(typeSpec->entryCount), (int)t->entryCount); 5104 return (mError=BAD_TYPE); 5105 } 5106 t->typeSpecFlags = (const uint32_t*)( 5107 ((const uint8_t*)typeSpec) + dtohs(typeSpec->header.headerSize)); 5108 t->typeSpec = typeSpec; 5109 5110 } else if (ctype == RES_TABLE_TYPE_TYPE) { 5111 const ResTable_type* type = (const ResTable_type*)(chunk); 5112 err = validate_chunk(&type->header, sizeof(*type)-sizeof(ResTable_config)+4, 5113 endPos, "ResTable_type"); 5114 if (err != NO_ERROR) { 5115 return (mError=err); 5116 } 5117 5118 const size_t typeSize = dtohl(type->header.size); 5119 5120 LOAD_TABLE_NOISY(printf("Type off %p: type=0x%x, headerSize=0x%x, size=%p\n", 5121 (void*)(base-(const uint8_t*)chunk), 5122 dtohs(type->header.type), 5123 dtohs(type->header.headerSize), 5124 (void*)typeSize)); 5125 if (dtohs(type->header.headerSize)+(sizeof(uint32_t)*dtohl(type->entryCount)) 5126 > typeSize) { 5127 ALOGW("ResTable_type entry index to %p extends beyond chunk end %p.", 5128 (void*)(dtohs(type->header.headerSize) 5129 +(sizeof(uint32_t)*dtohl(type->entryCount))), 5130 (void*)typeSize); 5131 return (mError=BAD_TYPE); 5132 } 5133 if (dtohl(type->entryCount) != 0 5134 && dtohl(type->entriesStart) > (typeSize-sizeof(ResTable_entry))) { 5135 ALOGW("ResTable_type entriesStart at %p extends beyond chunk end %p.", 5136 (void*)dtohl(type->entriesStart), (void*)typeSize); 5137 return (mError=BAD_TYPE); 5138 } 5139 if (type->id == 0) { 5140 ALOGW("ResTable_type has an id of 0."); 5141 return (mError=BAD_TYPE); 5142 } 5143 5144 while (package->types.size() < type->id) { 5145 package->types.add(NULL); 5146 } 5147 Type* t = package->types[type->id-1]; 5148 if (t == NULL) { 5149 t = new Type(header, package, dtohl(type->entryCount)); 5150 package->types.editItemAt(type->id-1) = t; 5151 } else if (dtohl(type->entryCount) != t->entryCount) { 5152 ALOGW("ResTable_type entry count inconsistent: given %d, previously %d", 5153 (int)dtohl(type->entryCount), (int)t->entryCount); 5154 return (mError=BAD_TYPE); 5155 } 5156 5157 TABLE_GETENTRY( 5158 ResTable_config thisConfig; 5159 thisConfig.copyFromDtoH(type->config); 5160 ALOGI("Adding config to type %d: %s\n", 5161 type->id, thisConfig.toString().string())); 5162 t->configs.add(type); 5163 } else { 5164 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), 5165 endPos, "ResTable_package:unknown"); 5166 if (err != NO_ERROR) { 5167 return (mError=err); 5168 } 5169 } 5170 chunk = (const ResChunk_header*) 5171 (((const uint8_t*)chunk) + csize); 5172 } 5173 5174 if (group->typeCount == 0) { 5175 group->typeCount = package->types.size(); 5176 } 5177 5178 return NO_ERROR; 5179 } 5180 5181 status_t ResTable::createIdmap(const ResTable& overlay, uint32_t originalCrc, uint32_t overlayCrc, 5182 void** outData, size_t* outSize) const 5183 { 5184 // see README for details on the format of map 5185 if (mPackageGroups.size() == 0) { 5186 return UNKNOWN_ERROR; 5187 } 5188 if (mPackageGroups[0]->packages.size() == 0) { 5189 return UNKNOWN_ERROR; 5190 } 5191 5192 Vector<Vector<uint32_t> > map; 5193 const PackageGroup* pg = mPackageGroups[0]; 5194 const Package* pkg = pg->packages[0]; 5195 size_t typeCount = pkg->types.size(); 5196 // starting size is header + first item (number of types in map) 5197 *outSize = (IDMAP_HEADER_SIZE + 1) * sizeof(uint32_t); 5198 const String16 overlayPackage(overlay.mPackageGroups[0]->packages[0]->package->name); 5199 const uint32_t pkg_id = pkg->package->id << 24; 5200 5201 for (size_t typeIndex = 0; typeIndex < typeCount; ++typeIndex) { 5202 ssize_t first = -1; 5203 ssize_t last = -1; 5204 const Type* typeConfigs = pkg->getType(typeIndex); 5205 ssize_t mapIndex = map.add(); 5206 if (mapIndex < 0) { 5207 return NO_MEMORY; 5208 } 5209 Vector<uint32_t>& vector = map.editItemAt(mapIndex); 5210 for (size_t entryIndex = 0; entryIndex < typeConfigs->entryCount; ++entryIndex) { 5211 uint32_t resID = pkg_id 5212 | (0x00ff0000 & ((typeIndex+1)<<16)) 5213 | (0x0000ffff & (entryIndex)); 5214 resource_name resName; 5215 if (!this->getResourceName(resID, &resName)) { 5216 ALOGW("idmap: resource 0x%08x has spec but lacks values, skipping\n", resID); 5217 // add dummy value, or trimming leading/trailing zeroes later will fail 5218 vector.push(0); 5219 continue; 5220 } 5221 5222 const String16 overlayType(resName.type, resName.typeLen); 5223 const String16 overlayName(resName.name, resName.nameLen); 5224 uint32_t overlayResID = overlay.identifierForName(overlayName.string(), 5225 overlayName.size(), 5226 overlayType.string(), 5227 overlayType.size(), 5228 overlayPackage.string(), 5229 overlayPackage.size()); 5230 if (overlayResID != 0) { 5231 overlayResID = pkg_id | (0x00ffffff & overlayResID); 5232 last = Res_GETENTRY(resID); 5233 if (first == -1) { 5234 first = Res_GETENTRY(resID); 5235 } 5236 } 5237 vector.push(overlayResID); 5238 #if 0 5239 if (overlayResID != 0) { 5240 ALOGD("%s/%s 0x%08x -> 0x%08x\n", 5241 String8(String16(resName.type)).string(), 5242 String8(String16(resName.name)).string(), 5243 resID, overlayResID); 5244 } 5245 #endif 5246 } 5247 5248 if (first != -1) { 5249 // shave off trailing entries which lack overlay values 5250 const size_t last_past_one = last + 1; 5251 if (last_past_one < vector.size()) { 5252 vector.removeItemsAt(last_past_one, vector.size() - last_past_one); 5253 } 5254 // shave off leading entries which lack overlay values 5255 vector.removeItemsAt(0, first); 5256 // store offset to first overlaid resource ID of this type 5257 vector.insertAt((uint32_t)first, 0, 1); 5258 // reserve space for number and offset of entries, and the actual entries 5259 *outSize += (2 + vector.size()) * sizeof(uint32_t); 5260 } else { 5261 // no entries of current type defined in overlay package 5262 vector.clear(); 5263 // reserve space for type offset 5264 *outSize += 1 * sizeof(uint32_t); 5265 } 5266 } 5267 5268 if ((*outData = malloc(*outSize)) == NULL) { 5269 return NO_MEMORY; 5270 } 5271 uint32_t* data = (uint32_t*)*outData; 5272 *data++ = htodl(IDMAP_MAGIC); 5273 *data++ = htodl(originalCrc); 5274 *data++ = htodl(overlayCrc); 5275 const size_t mapSize = map.size(); 5276 *data++ = htodl(mapSize); 5277 size_t offset = mapSize; 5278 for (size_t i = 0; i < mapSize; ++i) { 5279 const Vector<uint32_t>& vector = map.itemAt(i); 5280 const size_t N = vector.size(); 5281 if (N == 0) { 5282 *data++ = htodl(0); 5283 } else { 5284 offset++; 5285 *data++ = htodl(offset); 5286 offset += N; 5287 } 5288 } 5289 for (size_t i = 0; i < mapSize; ++i) { 5290 const Vector<uint32_t>& vector = map.itemAt(i); 5291 const size_t N = vector.size(); 5292 if (N == 0) { 5293 continue; 5294 } 5295 if (N == 1) { // vector expected to hold (offset) + (N > 0 entries) 5296 ALOGW("idmap: type %d supposedly has entries, but no entries found\n", i); 5297 return UNKNOWN_ERROR; 5298 } 5299 *data++ = htodl(N - 1); // do not count the offset (which is vector's first element) 5300 for (size_t j = 0; j < N; ++j) { 5301 const uint32_t& overlayResID = vector.itemAt(j); 5302 *data++ = htodl(overlayResID); 5303 } 5304 } 5305 5306 return NO_ERROR; 5307 } 5308 5309 bool ResTable::getIdmapInfo(const void* idmap, size_t sizeBytes, 5310 uint32_t* pOriginalCrc, uint32_t* pOverlayCrc) 5311 { 5312 const uint32_t* map = (const uint32_t*)idmap; 5313 if (!assertIdmapHeader(map, sizeBytes)) { 5314 return false; 5315 } 5316 *pOriginalCrc = map[1]; 5317 *pOverlayCrc = map[2]; 5318 return true; 5319 } 5320 5321 5322 #ifndef HAVE_ANDROID_OS 5323 #define CHAR16_TO_CSTR(c16, len) (String8(String16(c16,len)).string()) 5324 5325 #define CHAR16_ARRAY_EQ(constant, var, len) \ 5326 ((len == (sizeof(constant)/sizeof(constant[0]))) && (0 == memcmp((var), (constant), (len)))) 5327 5328 void print_complex(uint32_t complex, bool isFraction) 5329 { 5330 const float MANTISSA_MULT = 5331 1.0f / (1<<Res_value::COMPLEX_MANTISSA_SHIFT); 5332 const float RADIX_MULTS[] = { 5333 1.0f*MANTISSA_MULT, 1.0f/(1<<7)*MANTISSA_MULT, 5334 1.0f/(1<<15)*MANTISSA_MULT, 1.0f/(1<<23)*MANTISSA_MULT 5335 }; 5336 5337 float value = (complex&(Res_value::COMPLEX_MANTISSA_MASK 5338 <<Res_value::COMPLEX_MANTISSA_SHIFT)) 5339 * RADIX_MULTS[(complex>>Res_value::COMPLEX_RADIX_SHIFT) 5340 & Res_value::COMPLEX_RADIX_MASK]; 5341 printf("%f", value); 5342 5343 if (!isFraction) { 5344 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 5345 case Res_value::COMPLEX_UNIT_PX: printf("px"); break; 5346 case Res_value::COMPLEX_UNIT_DIP: printf("dp"); break; 5347 case Res_value::COMPLEX_UNIT_SP: printf("sp"); break; 5348 case Res_value::COMPLEX_UNIT_PT: printf("pt"); break; 5349 case Res_value::COMPLEX_UNIT_IN: printf("in"); break; 5350 case Res_value::COMPLEX_UNIT_MM: printf("mm"); break; 5351 default: printf(" (unknown unit)"); break; 5352 } 5353 } else { 5354 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 5355 case Res_value::COMPLEX_UNIT_FRACTION: printf("%%"); break; 5356 case Res_value::COMPLEX_UNIT_FRACTION_PARENT: printf("%%p"); break; 5357 default: printf(" (unknown unit)"); break; 5358 } 5359 } 5360 } 5361 5362 // Normalize a string for output 5363 String8 ResTable::normalizeForOutput( const char *input ) 5364 { 5365 String8 ret; 5366 char buff[2]; 5367 buff[1] = '\0'; 5368 5369 while (*input != '\0') { 5370 switch (*input) { 5371 // All interesting characters are in the ASCII zone, so we are making our own lives 5372 // easier by scanning the string one byte at a time. 5373 case '\\': 5374 ret += "\\\\"; 5375 break; 5376 case '\n': 5377 ret += "\\n"; 5378 break; 5379 case '"': 5380 ret += "\\\""; 5381 break; 5382 default: 5383 buff[0] = *input; 5384 ret += buff; 5385 break; 5386 } 5387 5388 input++; 5389 } 5390 5391 return ret; 5392 } 5393 5394 void ResTable::print_value(const Package* pkg, const Res_value& value) const 5395 { 5396 if (value.dataType == Res_value::TYPE_NULL) { 5397 printf("(null)\n"); 5398 } else if (value.dataType == Res_value::TYPE_REFERENCE) { 5399 printf("(reference) 0x%08x\n", value.data); 5400 } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) { 5401 printf("(attribute) 0x%08x\n", value.data); 5402 } else if (value.dataType == Res_value::TYPE_STRING) { 5403 size_t len; 5404 const char* str8 = pkg->header->values.string8At( 5405 value.data, &len); 5406 if (str8 != NULL) { 5407 printf("(string8) \"%s\"\n", normalizeForOutput(str8).string()); 5408 } else { 5409 const char16_t* str16 = pkg->header->values.stringAt( 5410 value.data, &len); 5411 if (str16 != NULL) { 5412 printf("(string16) \"%s\"\n", 5413 normalizeForOutput(String8(str16, len).string()).string()); 5414 } else { 5415 printf("(string) null\n"); 5416 } 5417 } 5418 } else if (value.dataType == Res_value::TYPE_FLOAT) { 5419 printf("(float) %g\n", *(const float*)&value.data); 5420 } else if (value.dataType == Res_value::TYPE_DIMENSION) { 5421 printf("(dimension) "); 5422 print_complex(value.data, false); 5423 printf("\n"); 5424 } else if (value.dataType == Res_value::TYPE_FRACTION) { 5425 printf("(fraction) "); 5426 print_complex(value.data, true); 5427 printf("\n"); 5428 } else if (value.dataType >= Res_value::TYPE_FIRST_COLOR_INT 5429 || value.dataType <= Res_value::TYPE_LAST_COLOR_INT) { 5430 printf("(color) #%08x\n", value.data); 5431 } else if (value.dataType == Res_value::TYPE_INT_BOOLEAN) { 5432 printf("(boolean) %s\n", value.data ? "true" : "false"); 5433 } else if (value.dataType >= Res_value::TYPE_FIRST_INT 5434 || value.dataType <= Res_value::TYPE_LAST_INT) { 5435 printf("(int) 0x%08x or %d\n", value.data, value.data); 5436 } else { 5437 printf("(unknown type) t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)\n", 5438 (int)value.dataType, (int)value.data, 5439 (int)value.size, (int)value.res0); 5440 } 5441 } 5442 5443 void ResTable::print(bool inclValues) const 5444 { 5445 if (mError != 0) { 5446 printf("mError=0x%x (%s)\n", mError, strerror(mError)); 5447 } 5448 #if 0 5449 printf("mParams=%c%c-%c%c,\n", 5450 mParams.language[0], mParams.language[1], 5451 mParams.country[0], mParams.country[1]); 5452 #endif 5453 size_t pgCount = mPackageGroups.size(); 5454 printf("Package Groups (%d)\n", (int)pgCount); 5455 for (size_t pgIndex=0; pgIndex<pgCount; pgIndex++) { 5456 const PackageGroup* pg = mPackageGroups[pgIndex]; 5457 printf("Package Group %d id=%d packageCount=%d name=%s\n", 5458 (int)pgIndex, pg->id, (int)pg->packages.size(), 5459 String8(pg->name).string()); 5460 5461 size_t pkgCount = pg->packages.size(); 5462 for (size_t pkgIndex=0; pkgIndex<pkgCount; pkgIndex++) { 5463 const Package* pkg = pg->packages[pkgIndex]; 5464 size_t typeCount = pkg->types.size(); 5465 printf(" Package %d id=%d name=%s typeCount=%d\n", (int)pkgIndex, 5466 pkg->package->id, String8(String16(pkg->package->name)).string(), 5467 (int)typeCount); 5468 for (size_t typeIndex=0; typeIndex<typeCount; typeIndex++) { 5469 const Type* typeConfigs = pkg->getType(typeIndex); 5470 if (typeConfigs == NULL) { 5471 printf(" type %d NULL\n", (int)typeIndex); 5472 continue; 5473 } 5474 const size_t NTC = typeConfigs->configs.size(); 5475 printf(" type %d configCount=%d entryCount=%d\n", 5476 (int)typeIndex, (int)NTC, (int)typeConfigs->entryCount); 5477 if (typeConfigs->typeSpecFlags != NULL) { 5478 for (size_t entryIndex=0; entryIndex<typeConfigs->entryCount; entryIndex++) { 5479 uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) 5480 | (0x00ff0000 & ((typeIndex+1)<<16)) 5481 | (0x0000ffff & (entryIndex)); 5482 resource_name resName; 5483 if (this->getResourceName(resID, &resName)) { 5484 printf(" spec resource 0x%08x %s:%s/%s: flags=0x%08x\n", 5485 resID, 5486 CHAR16_TO_CSTR(resName.package, resName.packageLen), 5487 CHAR16_TO_CSTR(resName.type, resName.typeLen), 5488 CHAR16_TO_CSTR(resName.name, resName.nameLen), 5489 dtohl(typeConfigs->typeSpecFlags[entryIndex])); 5490 } else { 5491 printf(" INVALID TYPE CONFIG FOR RESOURCE 0x%08x\n", resID); 5492 } 5493 } 5494 } 5495 for (size_t configIndex=0; configIndex<NTC; configIndex++) { 5496 const ResTable_type* type = typeConfigs->configs[configIndex]; 5497 if ((((uint64_t)type)&0x3) != 0) { 5498 printf(" NON-INTEGER ResTable_type ADDRESS: %p\n", type); 5499 continue; 5500 } 5501 String8 configStr = type->config.toString(); 5502 printf(" config %s:\n", configStr.size() > 0 5503 ? configStr.string() : "(default)"); 5504 size_t entryCount = dtohl(type->entryCount); 5505 uint32_t entriesStart = dtohl(type->entriesStart); 5506 if ((entriesStart&0x3) != 0) { 5507 printf(" NON-INTEGER ResTable_type entriesStart OFFSET: %p\n", (void*)entriesStart); 5508 continue; 5509 } 5510 uint32_t typeSize = dtohl(type->header.size); 5511 if ((typeSize&0x3) != 0) { 5512 printf(" NON-INTEGER ResTable_type header.size: %p\n", (void*)typeSize); 5513 continue; 5514 } 5515 for (size_t entryIndex=0; entryIndex<entryCount; entryIndex++) { 5516 5517 const uint8_t* const end = ((const uint8_t*)type) 5518 + dtohl(type->header.size); 5519 const uint32_t* const eindex = (const uint32_t*) 5520 (((const uint8_t*)type) + dtohs(type->header.headerSize)); 5521 5522 uint32_t thisOffset = dtohl(eindex[entryIndex]); 5523 if (thisOffset == ResTable_type::NO_ENTRY) { 5524 continue; 5525 } 5526 5527 uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) 5528 | (0x00ff0000 & ((typeIndex+1)<<16)) 5529 | (0x0000ffff & (entryIndex)); 5530 resource_name resName; 5531 if (this->getResourceName(resID, &resName)) { 5532 printf(" resource 0x%08x %s:%s/%s: ", resID, 5533 CHAR16_TO_CSTR(resName.package, resName.packageLen), 5534 CHAR16_TO_CSTR(resName.type, resName.typeLen), 5535 CHAR16_TO_CSTR(resName.name, resName.nameLen)); 5536 } else { 5537 printf(" INVALID RESOURCE 0x%08x: ", resID); 5538 } 5539 if ((thisOffset&0x3) != 0) { 5540 printf("NON-INTEGER OFFSET: %p\n", (void*)thisOffset); 5541 continue; 5542 } 5543 if ((thisOffset+sizeof(ResTable_entry)) > typeSize) { 5544 printf("OFFSET OUT OF BOUNDS: %p+%p (size is %p)\n", 5545 (void*)entriesStart, (void*)thisOffset, 5546 (void*)typeSize); 5547 continue; 5548 } 5549 5550 const ResTable_entry* ent = (const ResTable_entry*) 5551 (((const uint8_t*)type) + entriesStart + thisOffset); 5552 if (((entriesStart + thisOffset)&0x3) != 0) { 5553 printf("NON-INTEGER ResTable_entry OFFSET: %p\n", 5554 (void*)(entriesStart + thisOffset)); 5555 continue; 5556 } 5557 5558 uint16_t esize = dtohs(ent->size); 5559 if ((esize&0x3) != 0) { 5560 printf("NON-INTEGER ResTable_entry SIZE: %p\n", (void*)esize); 5561 continue; 5562 } 5563 if ((thisOffset+esize) > typeSize) { 5564 printf("ResTable_entry OUT OF BOUNDS: %p+%p+%p (size is %p)\n", 5565 (void*)entriesStart, (void*)thisOffset, 5566 (void*)esize, (void*)typeSize); 5567 continue; 5568 } 5569 5570 const Res_value* valuePtr = NULL; 5571 const ResTable_map_entry* bagPtr = NULL; 5572 Res_value value; 5573 if ((dtohs(ent->flags)&ResTable_entry::FLAG_COMPLEX) != 0) { 5574 printf("<bag>"); 5575 bagPtr = (const ResTable_map_entry*)ent; 5576 } else { 5577 valuePtr = (const Res_value*) 5578 (((const uint8_t*)ent) + esize); 5579 value.copyFrom_dtoh(*valuePtr); 5580 printf("t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)", 5581 (int)value.dataType, (int)value.data, 5582 (int)value.size, (int)value.res0); 5583 } 5584 5585 if ((dtohs(ent->flags)&ResTable_entry::FLAG_PUBLIC) != 0) { 5586 printf(" (PUBLIC)"); 5587 } 5588 printf("\n"); 5589 5590 if (inclValues) { 5591 if (valuePtr != NULL) { 5592 printf(" "); 5593 print_value(pkg, value); 5594 } else if (bagPtr != NULL) { 5595 const int N = dtohl(bagPtr->count); 5596 const uint8_t* baseMapPtr = (const uint8_t*)ent; 5597 size_t mapOffset = esize; 5598 const ResTable_map* mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); 5599 printf(" Parent=0x%08x, Count=%d\n", 5600 dtohl(bagPtr->parent.ident), N); 5601 for (int i=0; i<N && mapOffset < (typeSize-sizeof(ResTable_map)); i++) { 5602 printf(" #%i (Key=0x%08x): ", 5603 i, dtohl(mapPtr->name.ident)); 5604 value.copyFrom_dtoh(mapPtr->value); 5605 print_value(pkg, value); 5606 const size_t size = dtohs(mapPtr->value.size); 5607 mapOffset += size + sizeof(*mapPtr)-sizeof(mapPtr->value); 5608 mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); 5609 } 5610 } 5611 } 5612 } 5613 } 5614 } 5615 } 5616 } 5617 } 5618 5619 #endif // HAVE_ANDROID_OS 5620 5621 } // namespace android 5622