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 (mHeader != NULL && mCache != NULL) { 510 for (size_t x = 0; x < mHeader->stringCount; x++) { 511 if (mCache[x] != NULL) { 512 free(mCache[x]); 513 mCache[x] = NULL; 514 } 515 } 516 free(mCache); 517 mCache = NULL; 518 } 519 if (mOwnedData) { 520 free(mOwnedData); 521 mOwnedData = 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 (!data || !size) { 1213 return (mError=BAD_TYPE); 1214 } 1215 1216 if (copyData) { 1217 mOwnedData = malloc(size); 1218 if (mOwnedData == NULL) { 1219 return (mError=NO_MEMORY); 1220 } 1221 memcpy(mOwnedData, data, size); 1222 data = mOwnedData; 1223 } 1224 1225 mHeader = (const ResXMLTree_header*)data; 1226 mSize = dtohl(mHeader->header.size); 1227 if (dtohs(mHeader->header.headerSize) > mSize || mSize > size) { 1228 ALOGW("Bad XML block: header size %d or total size %d is larger than data size %d\n", 1229 (int)dtohs(mHeader->header.headerSize), 1230 (int)dtohl(mHeader->header.size), (int)size); 1231 mError = BAD_TYPE; 1232 restart(); 1233 return mError; 1234 } 1235 mDataEnd = ((const uint8_t*)mHeader) + mSize; 1236 1237 mStrings.uninit(); 1238 mRootNode = NULL; 1239 mResIds = NULL; 1240 mNumResIds = 0; 1241 1242 // First look for a couple interesting chunks: the string block 1243 // and first XML node. 1244 const ResChunk_header* chunk = 1245 (const ResChunk_header*)(((const uint8_t*)mHeader) + dtohs(mHeader->header.headerSize)); 1246 const ResChunk_header* lastChunk = chunk; 1247 while (((const uint8_t*)chunk) < (mDataEnd-sizeof(ResChunk_header)) && 1248 ((const uint8_t*)chunk) < (mDataEnd-dtohl(chunk->size))) { 1249 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), mDataEnd, "XML"); 1250 if (err != NO_ERROR) { 1251 mError = err; 1252 goto done; 1253 } 1254 const uint16_t type = dtohs(chunk->type); 1255 const size_t size = dtohl(chunk->size); 1256 XML_NOISY(printf("Scanning @ %p: type=0x%x, size=0x%x\n", 1257 (void*)(((uint32_t)chunk)-((uint32_t)mHeader)), type, size)); 1258 if (type == RES_STRING_POOL_TYPE) { 1259 mStrings.setTo(chunk, size); 1260 } else if (type == RES_XML_RESOURCE_MAP_TYPE) { 1261 mResIds = (const uint32_t*) 1262 (((const uint8_t*)chunk)+dtohs(chunk->headerSize)); 1263 mNumResIds = (dtohl(chunk->size)-dtohs(chunk->headerSize))/sizeof(uint32_t); 1264 } else if (type >= RES_XML_FIRST_CHUNK_TYPE 1265 && type <= RES_XML_LAST_CHUNK_TYPE) { 1266 if (validateNode((const ResXMLTree_node*)chunk) != NO_ERROR) { 1267 mError = BAD_TYPE; 1268 goto done; 1269 } 1270 mCurNode = (const ResXMLTree_node*)lastChunk; 1271 if (nextNode() == BAD_DOCUMENT) { 1272 mError = BAD_TYPE; 1273 goto done; 1274 } 1275 mRootNode = mCurNode; 1276 mRootExt = mCurExt; 1277 mRootCode = mEventCode; 1278 break; 1279 } else { 1280 XML_NOISY(printf("Skipping unknown chunk!\n")); 1281 } 1282 lastChunk = chunk; 1283 chunk = (const ResChunk_header*) 1284 (((const uint8_t*)chunk) + size); 1285 } 1286 1287 if (mRootNode == NULL) { 1288 ALOGW("Bad XML block: no root element node found\n"); 1289 mError = BAD_TYPE; 1290 goto done; 1291 } 1292 1293 mError = mStrings.getError(); 1294 1295 done: 1296 restart(); 1297 return mError; 1298 } 1299 1300 status_t ResXMLTree::getError() const 1301 { 1302 return mError; 1303 } 1304 1305 void ResXMLTree::uninit() 1306 { 1307 mError = NO_INIT; 1308 mStrings.uninit(); 1309 if (mOwnedData) { 1310 free(mOwnedData); 1311 mOwnedData = NULL; 1312 } 1313 restart(); 1314 } 1315 1316 status_t ResXMLTree::validateNode(const ResXMLTree_node* node) const 1317 { 1318 const uint16_t eventCode = dtohs(node->header.type); 1319 1320 status_t err = validate_chunk( 1321 &node->header, sizeof(ResXMLTree_node), 1322 mDataEnd, "ResXMLTree_node"); 1323 1324 if (err >= NO_ERROR) { 1325 // Only perform additional validation on START nodes 1326 if (eventCode != RES_XML_START_ELEMENT_TYPE) { 1327 return NO_ERROR; 1328 } 1329 1330 const uint16_t headerSize = dtohs(node->header.headerSize); 1331 const uint32_t size = dtohl(node->header.size); 1332 const ResXMLTree_attrExt* attrExt = (const ResXMLTree_attrExt*) 1333 (((const uint8_t*)node) + headerSize); 1334 // check for sensical values pulled out of the stream so far... 1335 if ((size >= headerSize + sizeof(ResXMLTree_attrExt)) 1336 && ((void*)attrExt > (void*)node)) { 1337 const size_t attrSize = ((size_t)dtohs(attrExt->attributeSize)) 1338 * dtohs(attrExt->attributeCount); 1339 if ((dtohs(attrExt->attributeStart)+attrSize) <= (size-headerSize)) { 1340 return NO_ERROR; 1341 } 1342 ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1343 (unsigned int)(dtohs(attrExt->attributeStart)+attrSize), 1344 (unsigned int)(size-headerSize)); 1345 } 1346 else { 1347 ALOGW("Bad XML start block: node header size 0x%x, size 0x%x\n", 1348 (unsigned int)headerSize, (unsigned int)size); 1349 } 1350 return BAD_TYPE; 1351 } 1352 1353 return err; 1354 1355 #if 0 1356 const bool isStart = dtohs(node->header.type) == RES_XML_START_ELEMENT_TYPE; 1357 1358 const uint16_t headerSize = dtohs(node->header.headerSize); 1359 const uint32_t size = dtohl(node->header.size); 1360 1361 if (headerSize >= (isStart ? sizeof(ResXMLTree_attrNode) : sizeof(ResXMLTree_node))) { 1362 if (size >= headerSize) { 1363 if (((const uint8_t*)node) <= (mDataEnd-size)) { 1364 if (!isStart) { 1365 return NO_ERROR; 1366 } 1367 if ((((size_t)dtohs(node->attributeSize))*dtohs(node->attributeCount)) 1368 <= (size-headerSize)) { 1369 return NO_ERROR; 1370 } 1371 ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1372 ((int)dtohs(node->attributeSize))*dtohs(node->attributeCount), 1373 (int)(size-headerSize)); 1374 return BAD_TYPE; 1375 } 1376 ALOGW("Bad XML block: node at 0x%x extends beyond data end 0x%x\n", 1377 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), (int)mSize); 1378 return BAD_TYPE; 1379 } 1380 ALOGW("Bad XML block: node at 0x%x header size 0x%x smaller than total size 0x%x\n", 1381 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1382 (int)headerSize, (int)size); 1383 return BAD_TYPE; 1384 } 1385 ALOGW("Bad XML block: node at 0x%x header size 0x%x too small\n", 1386 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1387 (int)headerSize); 1388 return BAD_TYPE; 1389 #endif 1390 } 1391 1392 // -------------------------------------------------------------------- 1393 // -------------------------------------------------------------------- 1394 // -------------------------------------------------------------------- 1395 1396 void ResTable_config::copyFromDeviceNoSwap(const ResTable_config& o) { 1397 const size_t size = dtohl(o.size); 1398 if (size >= sizeof(ResTable_config)) { 1399 *this = o; 1400 } else { 1401 memcpy(this, &o, size); 1402 memset(((uint8_t*)this)+size, 0, sizeof(ResTable_config)-size); 1403 } 1404 } 1405 1406 void ResTable_config::copyFromDtoH(const ResTable_config& o) { 1407 copyFromDeviceNoSwap(o); 1408 size = sizeof(ResTable_config); 1409 mcc = dtohs(mcc); 1410 mnc = dtohs(mnc); 1411 density = dtohs(density); 1412 screenWidth = dtohs(screenWidth); 1413 screenHeight = dtohs(screenHeight); 1414 sdkVersion = dtohs(sdkVersion); 1415 minorVersion = dtohs(minorVersion); 1416 smallestScreenWidthDp = dtohs(smallestScreenWidthDp); 1417 screenWidthDp = dtohs(screenWidthDp); 1418 screenHeightDp = dtohs(screenHeightDp); 1419 } 1420 1421 void ResTable_config::swapHtoD() { 1422 size = htodl(size); 1423 mcc = htods(mcc); 1424 mnc = htods(mnc); 1425 density = htods(density); 1426 screenWidth = htods(screenWidth); 1427 screenHeight = htods(screenHeight); 1428 sdkVersion = htods(sdkVersion); 1429 minorVersion = htods(minorVersion); 1430 smallestScreenWidthDp = htods(smallestScreenWidthDp); 1431 screenWidthDp = htods(screenWidthDp); 1432 screenHeightDp = htods(screenHeightDp); 1433 } 1434 1435 int ResTable_config::compare(const ResTable_config& o) const { 1436 int32_t diff = (int32_t)(imsi - o.imsi); 1437 if (diff != 0) return diff; 1438 diff = (int32_t)(locale - o.locale); 1439 if (diff != 0) return diff; 1440 diff = (int32_t)(screenType - o.screenType); 1441 if (diff != 0) return diff; 1442 diff = (int32_t)(input - o.input); 1443 if (diff != 0) return diff; 1444 diff = (int32_t)(screenSize - o.screenSize); 1445 if (diff != 0) return diff; 1446 diff = (int32_t)(version - o.version); 1447 if (diff != 0) return diff; 1448 diff = (int32_t)(screenLayout - o.screenLayout); 1449 if (diff != 0) return diff; 1450 diff = (int32_t)(uiMode - o.uiMode); 1451 if (diff != 0) return diff; 1452 diff = (int32_t)(smallestScreenWidthDp - o.smallestScreenWidthDp); 1453 if (diff != 0) return diff; 1454 diff = (int32_t)(screenSizeDp - o.screenSizeDp); 1455 return (int)diff; 1456 } 1457 1458 int ResTable_config::compareLogical(const ResTable_config& o) const { 1459 if (mcc != o.mcc) { 1460 return mcc < o.mcc ? -1 : 1; 1461 } 1462 if (mnc != o.mnc) { 1463 return mnc < o.mnc ? -1 : 1; 1464 } 1465 if (language[0] != o.language[0]) { 1466 return language[0] < o.language[0] ? -1 : 1; 1467 } 1468 if (language[1] != o.language[1]) { 1469 return language[1] < o.language[1] ? -1 : 1; 1470 } 1471 if (country[0] != o.country[0]) { 1472 return country[0] < o.country[0] ? -1 : 1; 1473 } 1474 if (country[1] != o.country[1]) { 1475 return country[1] < o.country[1] ? -1 : 1; 1476 } 1477 if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) { 1478 return (screenLayout & MASK_LAYOUTDIR) < (o.screenLayout & MASK_LAYOUTDIR) ? -1 : 1; 1479 } 1480 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1481 return smallestScreenWidthDp < o.smallestScreenWidthDp ? -1 : 1; 1482 } 1483 if (screenWidthDp != o.screenWidthDp) { 1484 return screenWidthDp < o.screenWidthDp ? -1 : 1; 1485 } 1486 if (screenHeightDp != o.screenHeightDp) { 1487 return screenHeightDp < o.screenHeightDp ? -1 : 1; 1488 } 1489 if (screenWidth != o.screenWidth) { 1490 return screenWidth < o.screenWidth ? -1 : 1; 1491 } 1492 if (screenHeight != o.screenHeight) { 1493 return screenHeight < o.screenHeight ? -1 : 1; 1494 } 1495 if (density != o.density) { 1496 return density < o.density ? -1 : 1; 1497 } 1498 if (orientation != o.orientation) { 1499 return orientation < o.orientation ? -1 : 1; 1500 } 1501 if (touchscreen != o.touchscreen) { 1502 return touchscreen < o.touchscreen ? -1 : 1; 1503 } 1504 if (input != o.input) { 1505 return input < o.input ? -1 : 1; 1506 } 1507 if (screenLayout != o.screenLayout) { 1508 return screenLayout < o.screenLayout ? -1 : 1; 1509 } 1510 if (uiMode != o.uiMode) { 1511 return uiMode < o.uiMode ? -1 : 1; 1512 } 1513 if (version != o.version) { 1514 return version < o.version ? -1 : 1; 1515 } 1516 return 0; 1517 } 1518 1519 int ResTable_config::diff(const ResTable_config& o) const { 1520 int diffs = 0; 1521 if (mcc != o.mcc) diffs |= CONFIG_MCC; 1522 if (mnc != o.mnc) diffs |= CONFIG_MNC; 1523 if (locale != o.locale) diffs |= CONFIG_LOCALE; 1524 if (orientation != o.orientation) diffs |= CONFIG_ORIENTATION; 1525 if (density != o.density) diffs |= CONFIG_DENSITY; 1526 if (touchscreen != o.touchscreen) diffs |= CONFIG_TOUCHSCREEN; 1527 if (((inputFlags^o.inputFlags)&(MASK_KEYSHIDDEN|MASK_NAVHIDDEN)) != 0) 1528 diffs |= CONFIG_KEYBOARD_HIDDEN; 1529 if (keyboard != o.keyboard) diffs |= CONFIG_KEYBOARD; 1530 if (navigation != o.navigation) diffs |= CONFIG_NAVIGATION; 1531 if (screenSize != o.screenSize) diffs |= CONFIG_SCREEN_SIZE; 1532 if (version != o.version) diffs |= CONFIG_VERSION; 1533 if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) diffs |= CONFIG_LAYOUTDIR; 1534 if ((screenLayout & ~MASK_LAYOUTDIR) != (o.screenLayout & ~MASK_LAYOUTDIR)) diffs |= CONFIG_SCREEN_LAYOUT; 1535 if (uiMode != o.uiMode) diffs |= CONFIG_UI_MODE; 1536 if (smallestScreenWidthDp != o.smallestScreenWidthDp) diffs |= CONFIG_SMALLEST_SCREEN_SIZE; 1537 if (screenSizeDp != o.screenSizeDp) diffs |= CONFIG_SCREEN_SIZE; 1538 return diffs; 1539 } 1540 1541 bool ResTable_config::isMoreSpecificThan(const ResTable_config& o) const { 1542 // The order of the following tests defines the importance of one 1543 // configuration parameter over another. Those tests first are more 1544 // important, trumping any values in those following them. 1545 if (imsi || o.imsi) { 1546 if (mcc != o.mcc) { 1547 if (!mcc) return false; 1548 if (!o.mcc) return true; 1549 } 1550 1551 if (mnc != o.mnc) { 1552 if (!mnc) return false; 1553 if (!o.mnc) return true; 1554 } 1555 } 1556 1557 if (locale || o.locale) { 1558 if (language[0] != o.language[0]) { 1559 if (!language[0]) return false; 1560 if (!o.language[0]) return true; 1561 } 1562 1563 if (country[0] != o.country[0]) { 1564 if (!country[0]) return false; 1565 if (!o.country[0]) return true; 1566 } 1567 } 1568 1569 if (screenLayout || o.screenLayout) { 1570 if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0) { 1571 if (!(screenLayout & MASK_LAYOUTDIR)) return false; 1572 if (!(o.screenLayout & MASK_LAYOUTDIR)) return true; 1573 } 1574 } 1575 1576 if (smallestScreenWidthDp || o.smallestScreenWidthDp) { 1577 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1578 if (!smallestScreenWidthDp) return false; 1579 if (!o.smallestScreenWidthDp) return true; 1580 } 1581 } 1582 1583 if (screenSizeDp || o.screenSizeDp) { 1584 if (screenWidthDp != o.screenWidthDp) { 1585 if (!screenWidthDp) return false; 1586 if (!o.screenWidthDp) return true; 1587 } 1588 1589 if (screenHeightDp != o.screenHeightDp) { 1590 if (!screenHeightDp) return false; 1591 if (!o.screenHeightDp) return true; 1592 } 1593 } 1594 1595 if (screenLayout || o.screenLayout) { 1596 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0) { 1597 if (!(screenLayout & MASK_SCREENSIZE)) return false; 1598 if (!(o.screenLayout & MASK_SCREENSIZE)) return true; 1599 } 1600 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0) { 1601 if (!(screenLayout & MASK_SCREENLONG)) return false; 1602 if (!(o.screenLayout & MASK_SCREENLONG)) return true; 1603 } 1604 } 1605 1606 if (orientation != o.orientation) { 1607 if (!orientation) return false; 1608 if (!o.orientation) return true; 1609 } 1610 1611 if (uiMode || o.uiMode) { 1612 if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0) { 1613 if (!(uiMode & MASK_UI_MODE_TYPE)) return false; 1614 if (!(o.uiMode & MASK_UI_MODE_TYPE)) return true; 1615 } 1616 if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0) { 1617 if (!(uiMode & MASK_UI_MODE_NIGHT)) return false; 1618 if (!(o.uiMode & MASK_UI_MODE_NIGHT)) return true; 1619 } 1620 } 1621 1622 // density is never 'more specific' 1623 // as the default just equals 160 1624 1625 if (touchscreen != o.touchscreen) { 1626 if (!touchscreen) return false; 1627 if (!o.touchscreen) return true; 1628 } 1629 1630 if (input || o.input) { 1631 if (((inputFlags^o.inputFlags) & MASK_KEYSHIDDEN) != 0) { 1632 if (!(inputFlags & MASK_KEYSHIDDEN)) return false; 1633 if (!(o.inputFlags & MASK_KEYSHIDDEN)) return true; 1634 } 1635 1636 if (((inputFlags^o.inputFlags) & MASK_NAVHIDDEN) != 0) { 1637 if (!(inputFlags & MASK_NAVHIDDEN)) return false; 1638 if (!(o.inputFlags & MASK_NAVHIDDEN)) return true; 1639 } 1640 1641 if (keyboard != o.keyboard) { 1642 if (!keyboard) return false; 1643 if (!o.keyboard) return true; 1644 } 1645 1646 if (navigation != o.navigation) { 1647 if (!navigation) return false; 1648 if (!o.navigation) return true; 1649 } 1650 } 1651 1652 if (screenSize || o.screenSize) { 1653 if (screenWidth != o.screenWidth) { 1654 if (!screenWidth) return false; 1655 if (!o.screenWidth) return true; 1656 } 1657 1658 if (screenHeight != o.screenHeight) { 1659 if (!screenHeight) return false; 1660 if (!o.screenHeight) return true; 1661 } 1662 } 1663 1664 if (version || o.version) { 1665 if (sdkVersion != o.sdkVersion) { 1666 if (!sdkVersion) return false; 1667 if (!o.sdkVersion) return true; 1668 } 1669 1670 if (minorVersion != o.minorVersion) { 1671 if (!minorVersion) return false; 1672 if (!o.minorVersion) return true; 1673 } 1674 } 1675 return false; 1676 } 1677 1678 bool ResTable_config::isBetterThan(const ResTable_config& o, 1679 const ResTable_config* requested) const { 1680 if (requested) { 1681 if (imsi || o.imsi) { 1682 if ((mcc != o.mcc) && requested->mcc) { 1683 return (mcc); 1684 } 1685 1686 if ((mnc != o.mnc) && requested->mnc) { 1687 return (mnc); 1688 } 1689 } 1690 1691 if (locale || o.locale) { 1692 if ((language[0] != o.language[0]) && requested->language[0]) { 1693 return (language[0]); 1694 } 1695 1696 if ((country[0] != o.country[0]) && requested->country[0]) { 1697 return (country[0]); 1698 } 1699 } 1700 1701 if (screenLayout || o.screenLayout) { 1702 if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0 1703 && (requested->screenLayout & MASK_LAYOUTDIR)) { 1704 int myLayoutDir = screenLayout & MASK_LAYOUTDIR; 1705 int oLayoutDir = o.screenLayout & MASK_LAYOUTDIR; 1706 return (myLayoutDir > oLayoutDir); 1707 } 1708 } 1709 1710 if (smallestScreenWidthDp || o.smallestScreenWidthDp) { 1711 // The configuration closest to the actual size is best. 1712 // We assume that larger configs have already been filtered 1713 // out at this point. That means we just want the largest one. 1714 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1715 return smallestScreenWidthDp > o.smallestScreenWidthDp; 1716 } 1717 } 1718 1719 if (screenSizeDp || o.screenSizeDp) { 1720 // "Better" is based on the sum of the difference between both 1721 // width and height from the requested dimensions. We are 1722 // assuming the invalid configs (with smaller dimens) have 1723 // already been filtered. Note that if a particular dimension 1724 // is unspecified, we will end up with a large value (the 1725 // difference between 0 and the requested dimension), which is 1726 // good since we will prefer a config that has specified a 1727 // dimension value. 1728 int myDelta = 0, otherDelta = 0; 1729 if (requested->screenWidthDp) { 1730 myDelta += requested->screenWidthDp - screenWidthDp; 1731 otherDelta += requested->screenWidthDp - o.screenWidthDp; 1732 } 1733 if (requested->screenHeightDp) { 1734 myDelta += requested->screenHeightDp - screenHeightDp; 1735 otherDelta += requested->screenHeightDp - o.screenHeightDp; 1736 } 1737 //ALOGI("Comparing this %dx%d to other %dx%d in %dx%d: myDelta=%d otherDelta=%d", 1738 // screenWidthDp, screenHeightDp, o.screenWidthDp, o.screenHeightDp, 1739 // requested->screenWidthDp, requested->screenHeightDp, myDelta, otherDelta); 1740 if (myDelta != otherDelta) { 1741 return myDelta < otherDelta; 1742 } 1743 } 1744 1745 if (screenLayout || o.screenLayout) { 1746 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0 1747 && (requested->screenLayout & MASK_SCREENSIZE)) { 1748 // A little backwards compatibility here: undefined is 1749 // considered equivalent to normal. But only if the 1750 // requested size is at least normal; otherwise, small 1751 // is better than the default. 1752 int mySL = (screenLayout & MASK_SCREENSIZE); 1753 int oSL = (o.screenLayout & MASK_SCREENSIZE); 1754 int fixedMySL = mySL; 1755 int fixedOSL = oSL; 1756 if ((requested->screenLayout & MASK_SCREENSIZE) >= SCREENSIZE_NORMAL) { 1757 if (fixedMySL == 0) fixedMySL = SCREENSIZE_NORMAL; 1758 if (fixedOSL == 0) fixedOSL = SCREENSIZE_NORMAL; 1759 } 1760 // For screen size, the best match is the one that is 1761 // closest to the requested screen size, but not over 1762 // (the not over part is dealt with in match() below). 1763 if (fixedMySL == fixedOSL) { 1764 // If the two are the same, but 'this' is actually 1765 // undefined, then the other is really a better match. 1766 if (mySL == 0) return false; 1767 return true; 1768 } 1769 if (fixedMySL != fixedOSL) { 1770 return fixedMySL > fixedOSL; 1771 } 1772 } 1773 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0 1774 && (requested->screenLayout & MASK_SCREENLONG)) { 1775 return (screenLayout & MASK_SCREENLONG); 1776 } 1777 } 1778 1779 if ((orientation != o.orientation) && requested->orientation) { 1780 return (orientation); 1781 } 1782 1783 if (uiMode || o.uiMode) { 1784 if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0 1785 && (requested->uiMode & MASK_UI_MODE_TYPE)) { 1786 return (uiMode & MASK_UI_MODE_TYPE); 1787 } 1788 if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0 1789 && (requested->uiMode & MASK_UI_MODE_NIGHT)) { 1790 return (uiMode & MASK_UI_MODE_NIGHT); 1791 } 1792 } 1793 1794 if (screenType || o.screenType) { 1795 if (density != o.density) { 1796 // density is tough. Any density is potentially useful 1797 // because the system will scale it. Scaling down 1798 // is generally better than scaling up. 1799 // Default density counts as 160dpi (the system default) 1800 // TODO - remove 160 constants 1801 int h = (density?density:160); 1802 int l = (o.density?o.density:160); 1803 bool bImBigger = true; 1804 if (l > h) { 1805 int t = h; 1806 h = l; 1807 l = t; 1808 bImBigger = false; 1809 } 1810 1811 int reqValue = (requested->density?requested->density:160); 1812 if (reqValue >= h) { 1813 // requested value higher than both l and h, give h 1814 return bImBigger; 1815 } 1816 if (l >= reqValue) { 1817 // requested value lower than both l and h, give l 1818 return !bImBigger; 1819 } 1820 // saying that scaling down is 2x better than up 1821 if (((2 * l) - reqValue) * h > reqValue * reqValue) { 1822 return !bImBigger; 1823 } else { 1824 return bImBigger; 1825 } 1826 } 1827 1828 if ((touchscreen != o.touchscreen) && requested->touchscreen) { 1829 return (touchscreen); 1830 } 1831 } 1832 1833 if (input || o.input) { 1834 const int keysHidden = inputFlags & MASK_KEYSHIDDEN; 1835 const int oKeysHidden = o.inputFlags & MASK_KEYSHIDDEN; 1836 if (keysHidden != oKeysHidden) { 1837 const int reqKeysHidden = 1838 requested->inputFlags & MASK_KEYSHIDDEN; 1839 if (reqKeysHidden) { 1840 1841 if (!keysHidden) return false; 1842 if (!oKeysHidden) return true; 1843 // For compatibility, we count KEYSHIDDEN_NO as being 1844 // the same as KEYSHIDDEN_SOFT. Here we disambiguate 1845 // these by making an exact match more specific. 1846 if (reqKeysHidden == keysHidden) return true; 1847 if (reqKeysHidden == oKeysHidden) return false; 1848 } 1849 } 1850 1851 const int navHidden = inputFlags & MASK_NAVHIDDEN; 1852 const int oNavHidden = o.inputFlags & MASK_NAVHIDDEN; 1853 if (navHidden != oNavHidden) { 1854 const int reqNavHidden = 1855 requested->inputFlags & MASK_NAVHIDDEN; 1856 if (reqNavHidden) { 1857 1858 if (!navHidden) return false; 1859 if (!oNavHidden) return true; 1860 } 1861 } 1862 1863 if ((keyboard != o.keyboard) && requested->keyboard) { 1864 return (keyboard); 1865 } 1866 1867 if ((navigation != o.navigation) && requested->navigation) { 1868 return (navigation); 1869 } 1870 } 1871 1872 if (screenSize || o.screenSize) { 1873 // "Better" is based on the sum of the difference between both 1874 // width and height from the requested dimensions. We are 1875 // assuming the invalid configs (with smaller sizes) have 1876 // already been filtered. Note that if a particular dimension 1877 // is unspecified, we will end up with a large value (the 1878 // difference between 0 and the requested dimension), which is 1879 // good since we will prefer a config that has specified a 1880 // size value. 1881 int myDelta = 0, otherDelta = 0; 1882 if (requested->screenWidth) { 1883 myDelta += requested->screenWidth - screenWidth; 1884 otherDelta += requested->screenWidth - o.screenWidth; 1885 } 1886 if (requested->screenHeight) { 1887 myDelta += requested->screenHeight - screenHeight; 1888 otherDelta += requested->screenHeight - o.screenHeight; 1889 } 1890 if (myDelta != otherDelta) { 1891 return myDelta < otherDelta; 1892 } 1893 } 1894 1895 if (version || o.version) { 1896 if ((sdkVersion != o.sdkVersion) && requested->sdkVersion) { 1897 return (sdkVersion > o.sdkVersion); 1898 } 1899 1900 if ((minorVersion != o.minorVersion) && 1901 requested->minorVersion) { 1902 return (minorVersion); 1903 } 1904 } 1905 1906 return false; 1907 } 1908 return isMoreSpecificThan(o); 1909 } 1910 1911 bool ResTable_config::match(const ResTable_config& settings) const { 1912 if (imsi != 0) { 1913 if (mcc != 0 && mcc != settings.mcc) { 1914 return false; 1915 } 1916 if (mnc != 0 && mnc != settings.mnc) { 1917 return false; 1918 } 1919 } 1920 if (locale != 0) { 1921 if (language[0] != 0 1922 && (language[0] != settings.language[0] 1923 || language[1] != settings.language[1])) { 1924 return false; 1925 } 1926 if (country[0] != 0 1927 && (country[0] != settings.country[0] 1928 || country[1] != settings.country[1])) { 1929 return false; 1930 } 1931 } 1932 if (screenConfig != 0) { 1933 const int layoutDir = screenLayout&MASK_LAYOUTDIR; 1934 const int setLayoutDir = settings.screenLayout&MASK_LAYOUTDIR; 1935 if (layoutDir != 0 && layoutDir != setLayoutDir) { 1936 return false; 1937 } 1938 1939 const int screenSize = screenLayout&MASK_SCREENSIZE; 1940 const int setScreenSize = settings.screenLayout&MASK_SCREENSIZE; 1941 // Any screen sizes for larger screens than the setting do not 1942 // match. 1943 if (screenSize != 0 && screenSize > setScreenSize) { 1944 return false; 1945 } 1946 1947 const int screenLong = screenLayout&MASK_SCREENLONG; 1948 const int setScreenLong = settings.screenLayout&MASK_SCREENLONG; 1949 if (screenLong != 0 && screenLong != setScreenLong) { 1950 return false; 1951 } 1952 1953 const int uiModeType = uiMode&MASK_UI_MODE_TYPE; 1954 const int setUiModeType = settings.uiMode&MASK_UI_MODE_TYPE; 1955 if (uiModeType != 0 && uiModeType != setUiModeType) { 1956 return false; 1957 } 1958 1959 const int uiModeNight = uiMode&MASK_UI_MODE_NIGHT; 1960 const int setUiModeNight = settings.uiMode&MASK_UI_MODE_NIGHT; 1961 if (uiModeNight != 0 && uiModeNight != setUiModeNight) { 1962 return false; 1963 } 1964 1965 if (smallestScreenWidthDp != 0 1966 && smallestScreenWidthDp > settings.smallestScreenWidthDp) { 1967 return false; 1968 } 1969 } 1970 if (screenSizeDp != 0) { 1971 if (screenWidthDp != 0 && screenWidthDp > settings.screenWidthDp) { 1972 //ALOGI("Filtering out width %d in requested %d", screenWidthDp, settings.screenWidthDp); 1973 return false; 1974 } 1975 if (screenHeightDp != 0 && screenHeightDp > settings.screenHeightDp) { 1976 //ALOGI("Filtering out height %d in requested %d", screenHeightDp, settings.screenHeightDp); 1977 return false; 1978 } 1979 } 1980 if (screenType != 0) { 1981 if (orientation != 0 && orientation != settings.orientation) { 1982 return false; 1983 } 1984 // density always matches - we can scale it. See isBetterThan 1985 if (touchscreen != 0 && touchscreen != settings.touchscreen) { 1986 return false; 1987 } 1988 } 1989 if (input != 0) { 1990 const int keysHidden = inputFlags&MASK_KEYSHIDDEN; 1991 const int setKeysHidden = settings.inputFlags&MASK_KEYSHIDDEN; 1992 if (keysHidden != 0 && keysHidden != setKeysHidden) { 1993 // For compatibility, we count a request for KEYSHIDDEN_NO as also 1994 // matching the more recent KEYSHIDDEN_SOFT. Basically 1995 // KEYSHIDDEN_NO means there is some kind of keyboard available. 1996 //ALOGI("Matching keysHidden: have=%d, config=%d\n", keysHidden, setKeysHidden); 1997 if (keysHidden != KEYSHIDDEN_NO || setKeysHidden != KEYSHIDDEN_SOFT) { 1998 //ALOGI("No match!"); 1999 return false; 2000 } 2001 } 2002 const int navHidden = inputFlags&MASK_NAVHIDDEN; 2003 const int setNavHidden = settings.inputFlags&MASK_NAVHIDDEN; 2004 if (navHidden != 0 && navHidden != setNavHidden) { 2005 return false; 2006 } 2007 if (keyboard != 0 && keyboard != settings.keyboard) { 2008 return false; 2009 } 2010 if (navigation != 0 && navigation != settings.navigation) { 2011 return false; 2012 } 2013 } 2014 if (screenSize != 0) { 2015 if (screenWidth != 0 && screenWidth > settings.screenWidth) { 2016 return false; 2017 } 2018 if (screenHeight != 0 && screenHeight > settings.screenHeight) { 2019 return false; 2020 } 2021 } 2022 if (version != 0) { 2023 if (sdkVersion != 0 && sdkVersion > settings.sdkVersion) { 2024 return false; 2025 } 2026 if (minorVersion != 0 && minorVersion != settings.minorVersion) { 2027 return false; 2028 } 2029 } 2030 return true; 2031 } 2032 2033 void ResTable_config::getLocale(char str[6]) const { 2034 memset(str, 0, 6); 2035 if (language[0]) { 2036 str[0] = language[0]; 2037 str[1] = language[1]; 2038 if (country[0]) { 2039 str[2] = '_'; 2040 str[3] = country[0]; 2041 str[4] = country[1]; 2042 } 2043 } 2044 } 2045 2046 String8 ResTable_config::toString() const { 2047 String8 res; 2048 2049 if (mcc != 0) { 2050 if (res.size() > 0) res.append("-"); 2051 res.appendFormat("%dmcc", dtohs(mcc)); 2052 } 2053 if (mnc != 0) { 2054 if (res.size() > 0) res.append("-"); 2055 res.appendFormat("%dmnc", dtohs(mnc)); 2056 } 2057 if (language[0] != 0) { 2058 if (res.size() > 0) res.append("-"); 2059 res.append(language, 2); 2060 } 2061 if (country[0] != 0) { 2062 if (res.size() > 0) res.append("-"); 2063 res.append(country, 2); 2064 } 2065 if ((screenLayout&MASK_LAYOUTDIR) != 0) { 2066 if (res.size() > 0) res.append("-"); 2067 switch (screenLayout&ResTable_config::MASK_LAYOUTDIR) { 2068 case ResTable_config::LAYOUTDIR_LTR: 2069 res.append("ldltr"); 2070 break; 2071 case ResTable_config::LAYOUTDIR_RTL: 2072 res.append("ldrtl"); 2073 break; 2074 default: 2075 res.appendFormat("layoutDir=%d", 2076 dtohs(screenLayout&ResTable_config::MASK_LAYOUTDIR)); 2077 break; 2078 } 2079 } 2080 if (smallestScreenWidthDp != 0) { 2081 if (res.size() > 0) res.append("-"); 2082 res.appendFormat("sw%ddp", dtohs(smallestScreenWidthDp)); 2083 } 2084 if (screenWidthDp != 0) { 2085 if (res.size() > 0) res.append("-"); 2086 res.appendFormat("w%ddp", dtohs(screenWidthDp)); 2087 } 2088 if (screenHeightDp != 0) { 2089 if (res.size() > 0) res.append("-"); 2090 res.appendFormat("h%ddp", dtohs(screenHeightDp)); 2091 } 2092 if ((screenLayout&MASK_SCREENSIZE) != SCREENSIZE_ANY) { 2093 if (res.size() > 0) res.append("-"); 2094 switch (screenLayout&ResTable_config::MASK_SCREENSIZE) { 2095 case ResTable_config::SCREENSIZE_SMALL: 2096 res.append("small"); 2097 break; 2098 case ResTable_config::SCREENSIZE_NORMAL: 2099 res.append("normal"); 2100 break; 2101 case ResTable_config::SCREENSIZE_LARGE: 2102 res.append("large"); 2103 break; 2104 case ResTable_config::SCREENSIZE_XLARGE: 2105 res.append("xlarge"); 2106 break; 2107 default: 2108 res.appendFormat("screenLayoutSize=%d", 2109 dtohs(screenLayout&ResTable_config::MASK_SCREENSIZE)); 2110 break; 2111 } 2112 } 2113 if ((screenLayout&MASK_SCREENLONG) != 0) { 2114 if (res.size() > 0) res.append("-"); 2115 switch (screenLayout&ResTable_config::MASK_SCREENLONG) { 2116 case ResTable_config::SCREENLONG_NO: 2117 res.append("notlong"); 2118 break; 2119 case ResTable_config::SCREENLONG_YES: 2120 res.append("long"); 2121 break; 2122 default: 2123 res.appendFormat("screenLayoutLong=%d", 2124 dtohs(screenLayout&ResTable_config::MASK_SCREENLONG)); 2125 break; 2126 } 2127 } 2128 if (orientation != ORIENTATION_ANY) { 2129 if (res.size() > 0) res.append("-"); 2130 switch (orientation) { 2131 case ResTable_config::ORIENTATION_PORT: 2132 res.append("port"); 2133 break; 2134 case ResTable_config::ORIENTATION_LAND: 2135 res.append("land"); 2136 break; 2137 case ResTable_config::ORIENTATION_SQUARE: 2138 res.append("square"); 2139 break; 2140 default: 2141 res.appendFormat("orientation=%d", dtohs(orientation)); 2142 break; 2143 } 2144 } 2145 if ((uiMode&MASK_UI_MODE_TYPE) != UI_MODE_TYPE_ANY) { 2146 if (res.size() > 0) res.append("-"); 2147 switch (uiMode&ResTable_config::MASK_UI_MODE_TYPE) { 2148 case ResTable_config::UI_MODE_TYPE_DESK: 2149 res.append("desk"); 2150 break; 2151 case ResTable_config::UI_MODE_TYPE_CAR: 2152 res.append("car"); 2153 break; 2154 case ResTable_config::UI_MODE_TYPE_TELEVISION: 2155 res.append("television"); 2156 break; 2157 case ResTable_config::UI_MODE_TYPE_APPLIANCE: 2158 res.append("appliance"); 2159 break; 2160 default: 2161 res.appendFormat("uiModeType=%d", 2162 dtohs(screenLayout&ResTable_config::MASK_UI_MODE_TYPE)); 2163 break; 2164 } 2165 } 2166 if ((uiMode&MASK_UI_MODE_NIGHT) != 0) { 2167 if (res.size() > 0) res.append("-"); 2168 switch (uiMode&ResTable_config::MASK_UI_MODE_NIGHT) { 2169 case ResTable_config::UI_MODE_NIGHT_NO: 2170 res.append("notnight"); 2171 break; 2172 case ResTable_config::UI_MODE_NIGHT_YES: 2173 res.append("night"); 2174 break; 2175 default: 2176 res.appendFormat("uiModeNight=%d", 2177 dtohs(uiMode&MASK_UI_MODE_NIGHT)); 2178 break; 2179 } 2180 } 2181 if (density != DENSITY_DEFAULT) { 2182 if (res.size() > 0) res.append("-"); 2183 switch (density) { 2184 case ResTable_config::DENSITY_LOW: 2185 res.append("ldpi"); 2186 break; 2187 case ResTable_config::DENSITY_MEDIUM: 2188 res.append("mdpi"); 2189 break; 2190 case ResTable_config::DENSITY_TV: 2191 res.append("tvdpi"); 2192 break; 2193 case ResTable_config::DENSITY_HIGH: 2194 res.append("hdpi"); 2195 break; 2196 case ResTable_config::DENSITY_XHIGH: 2197 res.append("xhdpi"); 2198 break; 2199 case ResTable_config::DENSITY_XXHIGH: 2200 res.append("xxhdpi"); 2201 break; 2202 case ResTable_config::DENSITY_NONE: 2203 res.append("nodpi"); 2204 break; 2205 default: 2206 res.appendFormat("%ddpi", dtohs(density)); 2207 break; 2208 } 2209 } 2210 if (touchscreen != TOUCHSCREEN_ANY) { 2211 if (res.size() > 0) res.append("-"); 2212 switch (touchscreen) { 2213 case ResTable_config::TOUCHSCREEN_NOTOUCH: 2214 res.append("notouch"); 2215 break; 2216 case ResTable_config::TOUCHSCREEN_FINGER: 2217 res.append("finger"); 2218 break; 2219 case ResTable_config::TOUCHSCREEN_STYLUS: 2220 res.append("stylus"); 2221 break; 2222 default: 2223 res.appendFormat("touchscreen=%d", dtohs(touchscreen)); 2224 break; 2225 } 2226 } 2227 if (keyboard != KEYBOARD_ANY) { 2228 if (res.size() > 0) res.append("-"); 2229 switch (keyboard) { 2230 case ResTable_config::KEYBOARD_NOKEYS: 2231 res.append("nokeys"); 2232 break; 2233 case ResTable_config::KEYBOARD_QWERTY: 2234 res.append("qwerty"); 2235 break; 2236 case ResTable_config::KEYBOARD_12KEY: 2237 res.append("12key"); 2238 break; 2239 default: 2240 res.appendFormat("keyboard=%d", dtohs(keyboard)); 2241 break; 2242 } 2243 } 2244 if ((inputFlags&MASK_KEYSHIDDEN) != 0) { 2245 if (res.size() > 0) res.append("-"); 2246 switch (inputFlags&MASK_KEYSHIDDEN) { 2247 case ResTable_config::KEYSHIDDEN_NO: 2248 res.append("keysexposed"); 2249 break; 2250 case ResTable_config::KEYSHIDDEN_YES: 2251 res.append("keyshidden"); 2252 break; 2253 case ResTable_config::KEYSHIDDEN_SOFT: 2254 res.append("keyssoft"); 2255 break; 2256 } 2257 } 2258 if (navigation != NAVIGATION_ANY) { 2259 if (res.size() > 0) res.append("-"); 2260 switch (navigation) { 2261 case ResTable_config::NAVIGATION_NONAV: 2262 res.append("nonav"); 2263 break; 2264 case ResTable_config::NAVIGATION_DPAD: 2265 res.append("dpad"); 2266 break; 2267 case ResTable_config::NAVIGATION_TRACKBALL: 2268 res.append("trackball"); 2269 break; 2270 case ResTable_config::NAVIGATION_WHEEL: 2271 res.append("wheel"); 2272 break; 2273 default: 2274 res.appendFormat("navigation=%d", dtohs(navigation)); 2275 break; 2276 } 2277 } 2278 if ((inputFlags&MASK_NAVHIDDEN) != 0) { 2279 if (res.size() > 0) res.append("-"); 2280 switch (inputFlags&MASK_NAVHIDDEN) { 2281 case ResTable_config::NAVHIDDEN_NO: 2282 res.append("navsexposed"); 2283 break; 2284 case ResTable_config::NAVHIDDEN_YES: 2285 res.append("navhidden"); 2286 break; 2287 default: 2288 res.appendFormat("inputFlagsNavHidden=%d", 2289 dtohs(inputFlags&MASK_NAVHIDDEN)); 2290 break; 2291 } 2292 } 2293 if (screenSize != 0) { 2294 if (res.size() > 0) res.append("-"); 2295 res.appendFormat("%dx%d", dtohs(screenWidth), dtohs(screenHeight)); 2296 } 2297 if (version != 0) { 2298 if (res.size() > 0) res.append("-"); 2299 res.appendFormat("v%d", dtohs(sdkVersion)); 2300 if (minorVersion != 0) { 2301 res.appendFormat(".%d", dtohs(minorVersion)); 2302 } 2303 } 2304 2305 return res; 2306 } 2307 2308 // -------------------------------------------------------------------- 2309 // -------------------------------------------------------------------- 2310 // -------------------------------------------------------------------- 2311 2312 struct ResTable::Header 2313 { 2314 Header(ResTable* _owner) : owner(_owner), ownedData(NULL), header(NULL), 2315 resourceIDMap(NULL), resourceIDMapSize(0) { } 2316 2317 ~Header() 2318 { 2319 free(resourceIDMap); 2320 } 2321 2322 ResTable* const owner; 2323 void* ownedData; 2324 const ResTable_header* header; 2325 size_t size; 2326 const uint8_t* dataEnd; 2327 size_t index; 2328 void* cookie; 2329 2330 ResStringPool values; 2331 uint32_t* resourceIDMap; 2332 size_t resourceIDMapSize; 2333 }; 2334 2335 struct ResTable::Type 2336 { 2337 Type(const Header* _header, const Package* _package, size_t count) 2338 : header(_header), package(_package), entryCount(count), 2339 typeSpec(NULL), typeSpecFlags(NULL) { } 2340 const Header* const header; 2341 const Package* const package; 2342 const size_t entryCount; 2343 const ResTable_typeSpec* typeSpec; 2344 const uint32_t* typeSpecFlags; 2345 Vector<const ResTable_type*> configs; 2346 }; 2347 2348 struct ResTable::Package 2349 { 2350 Package(ResTable* _owner, const Header* _header, const ResTable_package* _package) 2351 : owner(_owner), header(_header), package(_package) { } 2352 ~Package() 2353 { 2354 size_t i = types.size(); 2355 while (i > 0) { 2356 i--; 2357 delete types[i]; 2358 } 2359 } 2360 2361 ResTable* const owner; 2362 const Header* const header; 2363 const ResTable_package* const package; 2364 Vector<Type*> types; 2365 2366 ResStringPool typeStrings; 2367 ResStringPool keyStrings; 2368 2369 const Type* getType(size_t idx) const { 2370 return idx < types.size() ? types[idx] : NULL; 2371 } 2372 }; 2373 2374 // A group of objects describing a particular resource package. 2375 // The first in 'package' is always the root object (from the resource 2376 // table that defined the package); the ones after are skins on top of it. 2377 struct ResTable::PackageGroup 2378 { 2379 PackageGroup(ResTable* _owner, const String16& _name, uint32_t _id) 2380 : owner(_owner), name(_name), id(_id), typeCount(0), bags(NULL) { } 2381 ~PackageGroup() { 2382 clearBagCache(); 2383 const size_t N = packages.size(); 2384 for (size_t i=0; i<N; i++) { 2385 Package* pkg = packages[i]; 2386 if (pkg->owner == owner) { 2387 delete pkg; 2388 } 2389 } 2390 } 2391 2392 void clearBagCache() { 2393 if (bags) { 2394 TABLE_NOISY(printf("bags=%p\n", bags)); 2395 Package* pkg = packages[0]; 2396 TABLE_NOISY(printf("typeCount=%x\n", typeCount)); 2397 for (size_t i=0; i<typeCount; i++) { 2398 TABLE_NOISY(printf("type=%d\n", i)); 2399 const Type* type = pkg->getType(i); 2400 if (type != NULL) { 2401 bag_set** typeBags = bags[i]; 2402 TABLE_NOISY(printf("typeBags=%p\n", typeBags)); 2403 if (typeBags) { 2404 TABLE_NOISY(printf("type->entryCount=%x\n", type->entryCount)); 2405 const size_t N = type->entryCount; 2406 for (size_t j=0; j<N; j++) { 2407 if (typeBags[j] && typeBags[j] != (bag_set*)0xFFFFFFFF) 2408 free(typeBags[j]); 2409 } 2410 free(typeBags); 2411 } 2412 } 2413 } 2414 free(bags); 2415 bags = NULL; 2416 } 2417 } 2418 2419 ResTable* const owner; 2420 String16 const name; 2421 uint32_t const id; 2422 Vector<Package*> packages; 2423 2424 // This is for finding typeStrings and other common package stuff. 2425 Package* basePackage; 2426 2427 // For quick access. 2428 size_t typeCount; 2429 2430 // Computed attribute bags, first indexed by the type and second 2431 // by the entry in that type. 2432 bag_set*** bags; 2433 }; 2434 2435 struct ResTable::bag_set 2436 { 2437 size_t numAttrs; // number in array 2438 size_t availAttrs; // total space in array 2439 uint32_t typeSpecFlags; 2440 // Followed by 'numAttr' bag_entry structures. 2441 }; 2442 2443 ResTable::Theme::Theme(const ResTable& table) 2444 : mTable(table) 2445 { 2446 memset(mPackages, 0, sizeof(mPackages)); 2447 } 2448 2449 ResTable::Theme::~Theme() 2450 { 2451 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2452 package_info* pi = mPackages[i]; 2453 if (pi != NULL) { 2454 free_package(pi); 2455 } 2456 } 2457 } 2458 2459 void ResTable::Theme::free_package(package_info* pi) 2460 { 2461 for (size_t j=0; j<pi->numTypes; j++) { 2462 theme_entry* te = pi->types[j].entries; 2463 if (te != NULL) { 2464 free(te); 2465 } 2466 } 2467 free(pi); 2468 } 2469 2470 ResTable::Theme::package_info* ResTable::Theme::copy_package(package_info* pi) 2471 { 2472 package_info* newpi = (package_info*)malloc( 2473 sizeof(package_info) + (pi->numTypes*sizeof(type_info))); 2474 newpi->numTypes = pi->numTypes; 2475 for (size_t j=0; j<newpi->numTypes; j++) { 2476 size_t cnt = pi->types[j].numEntries; 2477 newpi->types[j].numEntries = cnt; 2478 theme_entry* te = pi->types[j].entries; 2479 if (te != NULL) { 2480 theme_entry* newte = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 2481 newpi->types[j].entries = newte; 2482 memcpy(newte, te, cnt*sizeof(theme_entry)); 2483 } else { 2484 newpi->types[j].entries = NULL; 2485 } 2486 } 2487 return newpi; 2488 } 2489 2490 status_t ResTable::Theme::applyStyle(uint32_t resID, bool force) 2491 { 2492 const bag_entry* bag; 2493 uint32_t bagTypeSpecFlags = 0; 2494 mTable.lock(); 2495 const ssize_t N = mTable.getBagLocked(resID, &bag, &bagTypeSpecFlags); 2496 TABLE_NOISY(ALOGV("Applying style 0x%08x to theme %p, count=%d", resID, this, N)); 2497 if (N < 0) { 2498 mTable.unlock(); 2499 return N; 2500 } 2501 2502 uint32_t curPackage = 0xffffffff; 2503 ssize_t curPackageIndex = 0; 2504 package_info* curPI = NULL; 2505 uint32_t curType = 0xffffffff; 2506 size_t numEntries = 0; 2507 theme_entry* curEntries = NULL; 2508 2509 const bag_entry* end = bag + N; 2510 while (bag < end) { 2511 const uint32_t attrRes = bag->map.name.ident; 2512 const uint32_t p = Res_GETPACKAGE(attrRes); 2513 const uint32_t t = Res_GETTYPE(attrRes); 2514 const uint32_t e = Res_GETENTRY(attrRes); 2515 2516 if (curPackage != p) { 2517 const ssize_t pidx = mTable.getResourcePackageIndex(attrRes); 2518 if (pidx < 0) { 2519 ALOGE("Style contains key with bad package: 0x%08x\n", attrRes); 2520 bag++; 2521 continue; 2522 } 2523 curPackage = p; 2524 curPackageIndex = pidx; 2525 curPI = mPackages[pidx]; 2526 if (curPI == NULL) { 2527 PackageGroup* const grp = mTable.mPackageGroups[pidx]; 2528 int cnt = grp->typeCount; 2529 curPI = (package_info*)malloc( 2530 sizeof(package_info) + (cnt*sizeof(type_info))); 2531 curPI->numTypes = cnt; 2532 memset(curPI->types, 0, cnt*sizeof(type_info)); 2533 mPackages[pidx] = curPI; 2534 } 2535 curType = 0xffffffff; 2536 } 2537 if (curType != t) { 2538 if (t >= curPI->numTypes) { 2539 ALOGE("Style contains key with bad type: 0x%08x\n", attrRes); 2540 bag++; 2541 continue; 2542 } 2543 curType = t; 2544 curEntries = curPI->types[t].entries; 2545 if (curEntries == NULL) { 2546 PackageGroup* const grp = mTable.mPackageGroups[curPackageIndex]; 2547 const Type* type = grp->packages[0]->getType(t); 2548 int cnt = type != NULL ? type->entryCount : 0; 2549 curEntries = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 2550 memset(curEntries, Res_value::TYPE_NULL, cnt*sizeof(theme_entry)); 2551 curPI->types[t].numEntries = cnt; 2552 curPI->types[t].entries = curEntries; 2553 } 2554 numEntries = curPI->types[t].numEntries; 2555 } 2556 if (e >= numEntries) { 2557 ALOGE("Style contains key with bad entry: 0x%08x\n", attrRes); 2558 bag++; 2559 continue; 2560 } 2561 theme_entry* curEntry = curEntries + e; 2562 TABLE_NOISY(ALOGV("Attr 0x%08x: type=0x%x, data=0x%08x; curType=0x%x", 2563 attrRes, bag->map.value.dataType, bag->map.value.data, 2564 curEntry->value.dataType)); 2565 if (force || curEntry->value.dataType == Res_value::TYPE_NULL) { 2566 curEntry->stringBlock = bag->stringBlock; 2567 curEntry->typeSpecFlags |= bagTypeSpecFlags; 2568 curEntry->value = bag->map.value; 2569 } 2570 2571 bag++; 2572 } 2573 2574 mTable.unlock(); 2575 2576 //ALOGI("Applying style 0x%08x (force=%d) theme %p...\n", resID, force, this); 2577 //dumpToLog(); 2578 2579 return NO_ERROR; 2580 } 2581 2582 status_t ResTable::Theme::setTo(const Theme& other) 2583 { 2584 //ALOGI("Setting theme %p from theme %p...\n", this, &other); 2585 //dumpToLog(); 2586 //other.dumpToLog(); 2587 2588 if (&mTable == &other.mTable) { 2589 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2590 if (mPackages[i] != NULL) { 2591 free_package(mPackages[i]); 2592 } 2593 if (other.mPackages[i] != NULL) { 2594 mPackages[i] = copy_package(other.mPackages[i]); 2595 } else { 2596 mPackages[i] = NULL; 2597 } 2598 } 2599 } else { 2600 // @todo: need to really implement this, not just copy 2601 // the system package (which is still wrong because it isn't 2602 // fixing up resource references). 2603 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2604 if (mPackages[i] != NULL) { 2605 free_package(mPackages[i]); 2606 } 2607 if (i == 0 && other.mPackages[i] != NULL) { 2608 mPackages[i] = copy_package(other.mPackages[i]); 2609 } else { 2610 mPackages[i] = NULL; 2611 } 2612 } 2613 } 2614 2615 //ALOGI("Final theme:"); 2616 //dumpToLog(); 2617 2618 return NO_ERROR; 2619 } 2620 2621 ssize_t ResTable::Theme::getAttribute(uint32_t resID, Res_value* outValue, 2622 uint32_t* outTypeSpecFlags) const 2623 { 2624 int cnt = 20; 2625 2626 if (outTypeSpecFlags != NULL) *outTypeSpecFlags = 0; 2627 2628 do { 2629 const ssize_t p = mTable.getResourcePackageIndex(resID); 2630 const uint32_t t = Res_GETTYPE(resID); 2631 const uint32_t e = Res_GETENTRY(resID); 2632 2633 TABLE_THEME(ALOGI("Looking up attr 0x%08x in theme %p", resID, this)); 2634 2635 if (p >= 0) { 2636 const package_info* const pi = mPackages[p]; 2637 TABLE_THEME(ALOGI("Found package: %p", pi)); 2638 if (pi != NULL) { 2639 TABLE_THEME(ALOGI("Desired type index is %ld in avail %d", t, pi->numTypes)); 2640 if (t < pi->numTypes) { 2641 const type_info& ti = pi->types[t]; 2642 TABLE_THEME(ALOGI("Desired entry index is %ld in avail %d", e, ti.numEntries)); 2643 if (e < ti.numEntries) { 2644 const theme_entry& te = ti.entries[e]; 2645 if (outTypeSpecFlags != NULL) { 2646 *outTypeSpecFlags |= te.typeSpecFlags; 2647 } 2648 TABLE_THEME(ALOGI("Theme value: type=0x%x, data=0x%08x", 2649 te.value.dataType, te.value.data)); 2650 const uint8_t type = te.value.dataType; 2651 if (type == Res_value::TYPE_ATTRIBUTE) { 2652 if (cnt > 0) { 2653 cnt--; 2654 resID = te.value.data; 2655 continue; 2656 } 2657 ALOGW("Too many attribute references, stopped at: 0x%08x\n", resID); 2658 return BAD_INDEX; 2659 } else if (type != Res_value::TYPE_NULL) { 2660 *outValue = te.value; 2661 return te.stringBlock; 2662 } 2663 return BAD_INDEX; 2664 } 2665 } 2666 } 2667 } 2668 break; 2669 2670 } while (true); 2671 2672 return BAD_INDEX; 2673 } 2674 2675 ssize_t ResTable::Theme::resolveAttributeReference(Res_value* inOutValue, 2676 ssize_t blockIndex, uint32_t* outLastRef, 2677 uint32_t* inoutTypeSpecFlags, ResTable_config* inoutConfig) const 2678 { 2679 //printf("Resolving type=0x%x\n", inOutValue->dataType); 2680 if (inOutValue->dataType == Res_value::TYPE_ATTRIBUTE) { 2681 uint32_t newTypeSpecFlags; 2682 blockIndex = getAttribute(inOutValue->data, inOutValue, &newTypeSpecFlags); 2683 TABLE_THEME(ALOGI("Resolving attr reference: blockIndex=%d, type=0x%x, data=%p\n", 2684 (int)blockIndex, (int)inOutValue->dataType, (void*)inOutValue->data)); 2685 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newTypeSpecFlags; 2686 //printf("Retrieved attribute new type=0x%x\n", inOutValue->dataType); 2687 if (blockIndex < 0) { 2688 return blockIndex; 2689 } 2690 } 2691 return mTable.resolveReference(inOutValue, blockIndex, outLastRef, 2692 inoutTypeSpecFlags, inoutConfig); 2693 } 2694 2695 void ResTable::Theme::dumpToLog() const 2696 { 2697 ALOGI("Theme %p:\n", this); 2698 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2699 package_info* pi = mPackages[i]; 2700 if (pi == NULL) continue; 2701 2702 ALOGI(" Package #0x%02x:\n", (int)(i+1)); 2703 for (size_t j=0; j<pi->numTypes; j++) { 2704 type_info& ti = pi->types[j]; 2705 if (ti.numEntries == 0) continue; 2706 2707 ALOGI(" Type #0x%02x:\n", (int)(j+1)); 2708 for (size_t k=0; k<ti.numEntries; k++) { 2709 theme_entry& te = ti.entries[k]; 2710 if (te.value.dataType == Res_value::TYPE_NULL) continue; 2711 ALOGI(" 0x%08x: t=0x%x, d=0x%08x (block=%d)\n", 2712 (int)Res_MAKEID(i, j, k), 2713 te.value.dataType, (int)te.value.data, (int)te.stringBlock); 2714 } 2715 } 2716 } 2717 } 2718 2719 ResTable::ResTable() 2720 : mError(NO_INIT) 2721 { 2722 memset(&mParams, 0, sizeof(mParams)); 2723 memset(mPackageMap, 0, sizeof(mPackageMap)); 2724 //ALOGI("Creating ResTable %p\n", this); 2725 } 2726 2727 ResTable::ResTable(const void* data, size_t size, void* cookie, bool copyData) 2728 : mError(NO_INIT) 2729 { 2730 memset(&mParams, 0, sizeof(mParams)); 2731 memset(mPackageMap, 0, sizeof(mPackageMap)); 2732 add(data, size, cookie, copyData); 2733 LOG_FATAL_IF(mError != NO_ERROR, "Error parsing resource table"); 2734 //ALOGI("Creating ResTable %p\n", this); 2735 } 2736 2737 ResTable::~ResTable() 2738 { 2739 //ALOGI("Destroying ResTable in %p\n", this); 2740 uninit(); 2741 } 2742 2743 inline ssize_t ResTable::getResourcePackageIndex(uint32_t resID) const 2744 { 2745 return ((ssize_t)mPackageMap[Res_GETPACKAGE(resID)+1])-1; 2746 } 2747 2748 status_t ResTable::add(const void* data, size_t size, void* cookie, bool copyData, 2749 const void* idmap) 2750 { 2751 return add(data, size, cookie, NULL, copyData, reinterpret_cast<const Asset*>(idmap)); 2752 } 2753 2754 status_t ResTable::add(Asset* asset, void* cookie, bool copyData, const void* idmap) 2755 { 2756 const void* data = asset->getBuffer(true); 2757 if (data == NULL) { 2758 ALOGW("Unable to get buffer of resource asset file"); 2759 return UNKNOWN_ERROR; 2760 } 2761 size_t size = (size_t)asset->getLength(); 2762 return add(data, size, cookie, asset, copyData, reinterpret_cast<const Asset*>(idmap)); 2763 } 2764 2765 status_t ResTable::add(ResTable* src) 2766 { 2767 mError = src->mError; 2768 2769 for (size_t i=0; i<src->mHeaders.size(); i++) { 2770 mHeaders.add(src->mHeaders[i]); 2771 } 2772 2773 for (size_t i=0; i<src->mPackageGroups.size(); i++) { 2774 PackageGroup* srcPg = src->mPackageGroups[i]; 2775 PackageGroup* pg = new PackageGroup(this, srcPg->name, srcPg->id); 2776 for (size_t j=0; j<srcPg->packages.size(); j++) { 2777 pg->packages.add(srcPg->packages[j]); 2778 } 2779 pg->basePackage = srcPg->basePackage; 2780 pg->typeCount = srcPg->typeCount; 2781 mPackageGroups.add(pg); 2782 } 2783 2784 memcpy(mPackageMap, src->mPackageMap, sizeof(mPackageMap)); 2785 2786 return mError; 2787 } 2788 2789 status_t ResTable::add(const void* data, size_t size, void* cookie, 2790 Asset* asset, bool copyData, const Asset* idmap) 2791 { 2792 if (!data) return NO_ERROR; 2793 Header* header = new Header(this); 2794 header->index = mHeaders.size(); 2795 header->cookie = cookie; 2796 if (idmap != NULL) { 2797 const size_t idmap_size = idmap->getLength(); 2798 const void* idmap_data = const_cast<Asset*>(idmap)->getBuffer(true); 2799 header->resourceIDMap = (uint32_t*)malloc(idmap_size); 2800 if (header->resourceIDMap == NULL) { 2801 delete header; 2802 return (mError = NO_MEMORY); 2803 } 2804 memcpy((void*)header->resourceIDMap, idmap_data, idmap_size); 2805 header->resourceIDMapSize = idmap_size; 2806 } 2807 mHeaders.add(header); 2808 2809 const bool notDeviceEndian = htods(0xf0) != 0xf0; 2810 2811 LOAD_TABLE_NOISY( 2812 ALOGV("Adding resources to ResTable: data=%p, size=0x%x, cookie=%p, asset=%p, copy=%d " 2813 "idmap=%p\n", data, size, cookie, asset, copyData, idmap)); 2814 2815 if (copyData || notDeviceEndian) { 2816 header->ownedData = malloc(size); 2817 if (header->ownedData == NULL) { 2818 return (mError=NO_MEMORY); 2819 } 2820 memcpy(header->ownedData, data, size); 2821 data = header->ownedData; 2822 } 2823 2824 header->header = (const ResTable_header*)data; 2825 header->size = dtohl(header->header->header.size); 2826 //ALOGI("Got size 0x%x, again size 0x%x, raw size 0x%x\n", header->size, 2827 // dtohl(header->header->header.size), header->header->header.size); 2828 LOAD_TABLE_NOISY(ALOGV("Loading ResTable @%p:\n", header->header)); 2829 LOAD_TABLE_NOISY(printHexData(2, header->header, header->size < 256 ? header->size : 256, 2830 16, 16, 0, false, printToLogFunc)); 2831 if (dtohs(header->header->header.headerSize) > header->size 2832 || header->size > size) { 2833 ALOGW("Bad resource table: header size 0x%x or total size 0x%x is larger than data size 0x%x\n", 2834 (int)dtohs(header->header->header.headerSize), 2835 (int)header->size, (int)size); 2836 return (mError=BAD_TYPE); 2837 } 2838 if (((dtohs(header->header->header.headerSize)|header->size)&0x3) != 0) { 2839 ALOGW("Bad resource table: header size 0x%x or total size 0x%x is not on an integer boundary\n", 2840 (int)dtohs(header->header->header.headerSize), 2841 (int)header->size); 2842 return (mError=BAD_TYPE); 2843 } 2844 header->dataEnd = ((const uint8_t*)header->header) + header->size; 2845 2846 // Iterate through all chunks. 2847 size_t curPackage = 0; 2848 2849 const ResChunk_header* chunk = 2850 (const ResChunk_header*)(((const uint8_t*)header->header) 2851 + dtohs(header->header->header.headerSize)); 2852 while (((const uint8_t*)chunk) <= (header->dataEnd-sizeof(ResChunk_header)) && 2853 ((const uint8_t*)chunk) <= (header->dataEnd-dtohl(chunk->size))) { 2854 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), header->dataEnd, "ResTable"); 2855 if (err != NO_ERROR) { 2856 return (mError=err); 2857 } 2858 TABLE_NOISY(ALOGV("Chunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 2859 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 2860 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 2861 const size_t csize = dtohl(chunk->size); 2862 const uint16_t ctype = dtohs(chunk->type); 2863 if (ctype == RES_STRING_POOL_TYPE) { 2864 if (header->values.getError() != NO_ERROR) { 2865 // Only use the first string chunk; ignore any others that 2866 // may appear. 2867 status_t err = header->values.setTo(chunk, csize); 2868 if (err != NO_ERROR) { 2869 return (mError=err); 2870 } 2871 } else { 2872 ALOGW("Multiple string chunks found in resource table."); 2873 } 2874 } else if (ctype == RES_TABLE_PACKAGE_TYPE) { 2875 if (curPackage >= dtohl(header->header->packageCount)) { 2876 ALOGW("More package chunks were found than the %d declared in the header.", 2877 dtohl(header->header->packageCount)); 2878 return (mError=BAD_TYPE); 2879 } 2880 uint32_t idmap_id = 0; 2881 if (idmap != NULL) { 2882 uint32_t tmp; 2883 if (getIdmapPackageId(header->resourceIDMap, 2884 header->resourceIDMapSize, 2885 &tmp) == NO_ERROR) { 2886 idmap_id = tmp; 2887 } 2888 } 2889 if (parsePackage((ResTable_package*)chunk, header, idmap_id) != NO_ERROR) { 2890 return mError; 2891 } 2892 curPackage++; 2893 } else { 2894 ALOGW("Unknown chunk type %p in table at %p.\n", 2895 (void*)(int)(ctype), 2896 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header))); 2897 } 2898 chunk = (const ResChunk_header*) 2899 (((const uint8_t*)chunk) + csize); 2900 } 2901 2902 if (curPackage < dtohl(header->header->packageCount)) { 2903 ALOGW("Fewer package chunks (%d) were found than the %d declared in the header.", 2904 (int)curPackage, dtohl(header->header->packageCount)); 2905 return (mError=BAD_TYPE); 2906 } 2907 mError = header->values.getError(); 2908 if (mError != NO_ERROR) { 2909 ALOGW("No string values found in resource table!"); 2910 } 2911 2912 TABLE_NOISY(ALOGV("Returning from add with mError=%d\n", mError)); 2913 return mError; 2914 } 2915 2916 status_t ResTable::getError() const 2917 { 2918 return mError; 2919 } 2920 2921 void ResTable::uninit() 2922 { 2923 mError = NO_INIT; 2924 size_t N = mPackageGroups.size(); 2925 for (size_t i=0; i<N; i++) { 2926 PackageGroup* g = mPackageGroups[i]; 2927 delete g; 2928 } 2929 N = mHeaders.size(); 2930 for (size_t i=0; i<N; i++) { 2931 Header* header = mHeaders[i]; 2932 if (header->owner == this) { 2933 if (header->ownedData) { 2934 free(header->ownedData); 2935 } 2936 delete header; 2937 } 2938 } 2939 2940 mPackageGroups.clear(); 2941 mHeaders.clear(); 2942 } 2943 2944 bool ResTable::getResourceName(uint32_t resID, resource_name* outName) const 2945 { 2946 if (mError != NO_ERROR) { 2947 return false; 2948 } 2949 2950 const ssize_t p = getResourcePackageIndex(resID); 2951 const int t = Res_GETTYPE(resID); 2952 const int e = Res_GETENTRY(resID); 2953 2954 if (p < 0) { 2955 if (Res_GETPACKAGE(resID)+1 == 0) { 2956 ALOGW("No package identifier when getting name for resource number 0x%08x", resID); 2957 } else { 2958 ALOGW("No known package when getting name for resource number 0x%08x", resID); 2959 } 2960 return false; 2961 } 2962 if (t < 0) { 2963 ALOGW("No type identifier when getting name for resource number 0x%08x", resID); 2964 return false; 2965 } 2966 2967 const PackageGroup* const grp = mPackageGroups[p]; 2968 if (grp == NULL) { 2969 ALOGW("Bad identifier when getting name for resource number 0x%08x", resID); 2970 return false; 2971 } 2972 if (grp->packages.size() > 0) { 2973 const Package* const package = grp->packages[0]; 2974 2975 const ResTable_type* type; 2976 const ResTable_entry* entry; 2977 ssize_t offset = getEntry(package, t, e, NULL, &type, &entry, NULL); 2978 if (offset <= 0) { 2979 return false; 2980 } 2981 2982 outName->package = grp->name.string(); 2983 outName->packageLen = grp->name.size(); 2984 outName->type = grp->basePackage->typeStrings.stringAt(t, &outName->typeLen); 2985 outName->name = grp->basePackage->keyStrings.stringAt( 2986 dtohl(entry->key.index), &outName->nameLen); 2987 2988 // If we have a bad index for some reason, we should abort. 2989 if (outName->type == NULL || outName->name == NULL) { 2990 return false; 2991 } 2992 2993 return true; 2994 } 2995 2996 return false; 2997 } 2998 2999 ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag, uint16_t density, 3000 uint32_t* outSpecFlags, ResTable_config* outConfig) const 3001 { 3002 if (mError != NO_ERROR) { 3003 return mError; 3004 } 3005 3006 const ssize_t p = getResourcePackageIndex(resID); 3007 const int t = Res_GETTYPE(resID); 3008 const int e = Res_GETENTRY(resID); 3009 3010 if (p < 0) { 3011 if (Res_GETPACKAGE(resID)+1 == 0) { 3012 ALOGW("No package identifier when getting value for resource number 0x%08x", resID); 3013 } else { 3014 ALOGW("No known package when getting value for resource number 0x%08x", resID); 3015 } 3016 return BAD_INDEX; 3017 } 3018 if (t < 0) { 3019 ALOGW("No type identifier when getting value for resource number 0x%08x", resID); 3020 return BAD_INDEX; 3021 } 3022 3023 const Res_value* bestValue = NULL; 3024 const Package* bestPackage = NULL; 3025 ResTable_config bestItem; 3026 memset(&bestItem, 0, sizeof(bestItem)); // make the compiler shut up 3027 3028 if (outSpecFlags != NULL) *outSpecFlags = 0; 3029 3030 // Look through all resource packages, starting with the most 3031 // recently added. 3032 const PackageGroup* const grp = mPackageGroups[p]; 3033 if (grp == NULL) { 3034 ALOGW("Bad identifier when getting value for resource number 0x%08x", resID); 3035 return BAD_INDEX; 3036 } 3037 3038 // Allow overriding density 3039 const ResTable_config* desiredConfig = &mParams; 3040 ResTable_config* overrideConfig = NULL; 3041 if (density > 0) { 3042 overrideConfig = (ResTable_config*) malloc(sizeof(ResTable_config)); 3043 if (overrideConfig == NULL) { 3044 ALOGE("Couldn't malloc ResTable_config for overrides: %s", strerror(errno)); 3045 return BAD_INDEX; 3046 } 3047 memcpy(overrideConfig, &mParams, sizeof(ResTable_config)); 3048 overrideConfig->density = density; 3049 desiredConfig = overrideConfig; 3050 } 3051 3052 ssize_t rc = BAD_VALUE; 3053 size_t ip = grp->packages.size(); 3054 while (ip > 0) { 3055 ip--; 3056 int T = t; 3057 int E = e; 3058 3059 const Package* const package = grp->packages[ip]; 3060 if (package->header->resourceIDMap) { 3061 uint32_t overlayResID = 0x0; 3062 status_t retval = idmapLookup(package->header->resourceIDMap, 3063 package->header->resourceIDMapSize, 3064 resID, &overlayResID); 3065 if (retval == NO_ERROR && overlayResID != 0x0) { 3066 // for this loop iteration, this is the type and entry we really want 3067 ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); 3068 T = Res_GETTYPE(overlayResID); 3069 E = Res_GETENTRY(overlayResID); 3070 } else { 3071 // resource not present in overlay package, continue with the next package 3072 continue; 3073 } 3074 } 3075 3076 const ResTable_type* type; 3077 const ResTable_entry* entry; 3078 const Type* typeClass; 3079 ssize_t offset = getEntry(package, T, E, desiredConfig, &type, &entry, &typeClass); 3080 if (offset <= 0) { 3081 // No {entry, appropriate config} pair found in package. If this 3082 // package is an overlay package (ip != 0), this simply means the 3083 // overlay package did not specify a default. 3084 // Non-overlay packages are still required to provide a default. 3085 if (offset < 0 && ip == 0) { 3086 ALOGW("Failure getting entry for 0x%08x (t=%d e=%d) in package %zd (error %d)\n", 3087 resID, T, E, ip, (int)offset); 3088 rc = offset; 3089 goto out; 3090 } 3091 continue; 3092 } 3093 3094 if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) != 0) { 3095 if (!mayBeBag) { 3096 ALOGW("Requesting resource %p failed because it is complex\n", 3097 (void*)resID); 3098 } 3099 continue; 3100 } 3101 3102 TABLE_NOISY(aout << "Resource type data: " 3103 << HexDump(type, dtohl(type->header.size)) << endl); 3104 3105 if ((size_t)offset > (dtohl(type->header.size)-sizeof(Res_value))) { 3106 ALOGW("ResTable_item at %d is beyond type chunk data %d", 3107 (int)offset, dtohl(type->header.size)); 3108 rc = BAD_TYPE; 3109 goto out; 3110 } 3111 3112 const Res_value* item = 3113 (const Res_value*)(((const uint8_t*)type) + offset); 3114 ResTable_config thisConfig; 3115 thisConfig.copyFromDtoH(type->config); 3116 3117 if (outSpecFlags != NULL) { 3118 if (typeClass->typeSpecFlags != NULL) { 3119 *outSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); 3120 } else { 3121 *outSpecFlags = -1; 3122 } 3123 } 3124 3125 if (bestPackage != NULL && 3126 (bestItem.isMoreSpecificThan(thisConfig) || bestItem.diff(thisConfig) == 0)) { 3127 // Discard thisConfig not only if bestItem is more specific, but also if the two configs 3128 // are identical (diff == 0), or overlay packages will not take effect. 3129 continue; 3130 } 3131 3132 bestItem = thisConfig; 3133 bestValue = item; 3134 bestPackage = package; 3135 } 3136 3137 TABLE_NOISY(printf("Found result: package %p\n", bestPackage)); 3138 3139 if (bestValue) { 3140 outValue->size = dtohs(bestValue->size); 3141 outValue->res0 = bestValue->res0; 3142 outValue->dataType = bestValue->dataType; 3143 outValue->data = dtohl(bestValue->data); 3144 if (outConfig != NULL) { 3145 *outConfig = bestItem; 3146 } 3147 TABLE_NOISY(size_t len; 3148 printf("Found value: pkg=%d, type=%d, str=%s, int=%d\n", 3149 bestPackage->header->index, 3150 outValue->dataType, 3151 outValue->dataType == bestValue->TYPE_STRING 3152 ? String8(bestPackage->header->values.stringAt( 3153 outValue->data, &len)).string() 3154 : "", 3155 outValue->data)); 3156 rc = bestPackage->header->index; 3157 goto out; 3158 } 3159 3160 out: 3161 if (overrideConfig != NULL) { 3162 free(overrideConfig); 3163 } 3164 3165 return rc; 3166 } 3167 3168 ssize_t ResTable::resolveReference(Res_value* value, ssize_t blockIndex, 3169 uint32_t* outLastRef, uint32_t* inoutTypeSpecFlags, 3170 ResTable_config* outConfig) const 3171 { 3172 int count=0; 3173 while (blockIndex >= 0 && value->dataType == value->TYPE_REFERENCE 3174 && value->data != 0 && count < 20) { 3175 if (outLastRef) *outLastRef = value->data; 3176 uint32_t lastRef = value->data; 3177 uint32_t newFlags = 0; 3178 const ssize_t newIndex = getResource(value->data, value, true, 0, &newFlags, 3179 outConfig); 3180 if (newIndex == BAD_INDEX) { 3181 return BAD_INDEX; 3182 } 3183 TABLE_THEME(ALOGI("Resolving reference %p: newIndex=%d, type=0x%x, data=%p\n", 3184 (void*)lastRef, (int)newIndex, (int)value->dataType, (void*)value->data)); 3185 //printf("Getting reference 0x%08x: newIndex=%d\n", value->data, newIndex); 3186 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newFlags; 3187 if (newIndex < 0) { 3188 // This can fail if the resource being referenced is a style... 3189 // in this case, just return the reference, and expect the 3190 // caller to deal with. 3191 return blockIndex; 3192 } 3193 blockIndex = newIndex; 3194 count++; 3195 } 3196 return blockIndex; 3197 } 3198 3199 const char16_t* ResTable::valueToString( 3200 const Res_value* value, size_t stringBlock, 3201 char16_t tmpBuffer[TMP_BUFFER_SIZE], size_t* outLen) 3202 { 3203 if (!value) { 3204 return NULL; 3205 } 3206 if (value->dataType == value->TYPE_STRING) { 3207 return getTableStringBlock(stringBlock)->stringAt(value->data, outLen); 3208 } 3209 // XXX do int to string conversions. 3210 return NULL; 3211 } 3212 3213 ssize_t ResTable::lockBag(uint32_t resID, const bag_entry** outBag) const 3214 { 3215 mLock.lock(); 3216 ssize_t err = getBagLocked(resID, outBag); 3217 if (err < NO_ERROR) { 3218 //printf("*** get failed! unlocking\n"); 3219 mLock.unlock(); 3220 } 3221 return err; 3222 } 3223 3224 void ResTable::unlockBag(const bag_entry* bag) const 3225 { 3226 //printf("<<< unlockBag %p\n", this); 3227 mLock.unlock(); 3228 } 3229 3230 void ResTable::lock() const 3231 { 3232 mLock.lock(); 3233 } 3234 3235 void ResTable::unlock() const 3236 { 3237 mLock.unlock(); 3238 } 3239 3240 ssize_t ResTable::getBagLocked(uint32_t resID, const bag_entry** outBag, 3241 uint32_t* outTypeSpecFlags) const 3242 { 3243 if (mError != NO_ERROR) { 3244 return mError; 3245 } 3246 3247 const ssize_t p = getResourcePackageIndex(resID); 3248 const int t = Res_GETTYPE(resID); 3249 const int e = Res_GETENTRY(resID); 3250 3251 if (p < 0) { 3252 ALOGW("Invalid package identifier when getting bag for resource number 0x%08x", resID); 3253 return BAD_INDEX; 3254 } 3255 if (t < 0) { 3256 ALOGW("No type identifier when getting bag for resource number 0x%08x", resID); 3257 return BAD_INDEX; 3258 } 3259 3260 //printf("Get bag: id=0x%08x, p=%d, t=%d\n", resID, p, t); 3261 PackageGroup* const grp = mPackageGroups[p]; 3262 if (grp == NULL) { 3263 ALOGW("Bad identifier when getting bag for resource number 0x%08x", resID); 3264 return false; 3265 } 3266 3267 if (t >= (int)grp->typeCount) { 3268 ALOGW("Type identifier 0x%x is larger than type count 0x%x", 3269 t+1, (int)grp->typeCount); 3270 return BAD_INDEX; 3271 } 3272 3273 const Package* const basePackage = grp->packages[0]; 3274 3275 const Type* const typeConfigs = basePackage->getType(t); 3276 3277 const size_t NENTRY = typeConfigs->entryCount; 3278 if (e >= (int)NENTRY) { 3279 ALOGW("Entry identifier 0x%x is larger than entry count 0x%x", 3280 e, (int)typeConfigs->entryCount); 3281 return BAD_INDEX; 3282 } 3283 3284 // First see if we've already computed this bag... 3285 if (grp->bags) { 3286 bag_set** typeSet = grp->bags[t]; 3287 if (typeSet) { 3288 bag_set* set = typeSet[e]; 3289 if (set) { 3290 if (set != (bag_set*)0xFFFFFFFF) { 3291 if (outTypeSpecFlags != NULL) { 3292 *outTypeSpecFlags = set->typeSpecFlags; 3293 } 3294 *outBag = (bag_entry*)(set+1); 3295 //ALOGI("Found existing bag for: %p\n", (void*)resID); 3296 return set->numAttrs; 3297 } 3298 ALOGW("Attempt to retrieve bag 0x%08x which is invalid or in a cycle.", 3299 resID); 3300 return BAD_INDEX; 3301 } 3302 } 3303 } 3304 3305 // Bag not found, we need to compute it! 3306 if (!grp->bags) { 3307 grp->bags = (bag_set***)calloc(grp->typeCount, sizeof(bag_set*)); 3308 if (!grp->bags) return NO_MEMORY; 3309 } 3310 3311 bag_set** typeSet = grp->bags[t]; 3312 if (!typeSet) { 3313 typeSet = (bag_set**)calloc(NENTRY, sizeof(bag_set*)); 3314 if (!typeSet) return NO_MEMORY; 3315 grp->bags[t] = typeSet; 3316 } 3317 3318 // Mark that we are currently working on this one. 3319 typeSet[e] = (bag_set*)0xFFFFFFFF; 3320 3321 // This is what we are building. 3322 bag_set* set = NULL; 3323 3324 TABLE_NOISY(ALOGI("Building bag: %p\n", (void*)resID)); 3325 3326 ResTable_config bestConfig; 3327 memset(&bestConfig, 0, sizeof(bestConfig)); 3328 3329 // Now collect all bag attributes from all packages. 3330 size_t ip = grp->packages.size(); 3331 while (ip > 0) { 3332 ip--; 3333 int T = t; 3334 int E = e; 3335 3336 const Package* const package = grp->packages[ip]; 3337 if (package->header->resourceIDMap) { 3338 uint32_t overlayResID = 0x0; 3339 status_t retval = idmapLookup(package->header->resourceIDMap, 3340 package->header->resourceIDMapSize, 3341 resID, &overlayResID); 3342 if (retval == NO_ERROR && overlayResID != 0x0) { 3343 // for this loop iteration, this is the type and entry we really want 3344 ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); 3345 T = Res_GETTYPE(overlayResID); 3346 E = Res_GETENTRY(overlayResID); 3347 } else { 3348 // resource not present in overlay package, continue with the next package 3349 continue; 3350 } 3351 } 3352 3353 const ResTable_type* type; 3354 const ResTable_entry* entry; 3355 const Type* typeClass; 3356 ALOGV("Getting entry pkg=%p, t=%d, e=%d\n", package, T, E); 3357 ssize_t offset = getEntry(package, T, E, &mParams, &type, &entry, &typeClass); 3358 ALOGV("Resulting offset=%d\n", offset); 3359 if (offset <= 0) { 3360 // No {entry, appropriate config} pair found in package. If this 3361 // package is an overlay package (ip != 0), this simply means the 3362 // overlay package did not specify a default. 3363 // Non-overlay packages are still required to provide a default. 3364 if (offset < 0 && ip == 0) { 3365 if (set) free(set); 3366 return offset; 3367 } 3368 continue; 3369 } 3370 3371 if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) == 0) { 3372 ALOGW("Skipping entry %p in package table %d because it is not complex!\n", 3373 (void*)resID, (int)ip); 3374 continue; 3375 } 3376 3377 if (set != NULL && !type->config.isBetterThan(bestConfig, NULL)) { 3378 continue; 3379 } 3380 bestConfig = type->config; 3381 if (set) { 3382 free(set); 3383 set = NULL; 3384 } 3385 3386 const uint16_t entrySize = dtohs(entry->size); 3387 const uint32_t parent = entrySize >= sizeof(ResTable_map_entry) 3388 ? dtohl(((const ResTable_map_entry*)entry)->parent.ident) : 0; 3389 const uint32_t count = entrySize >= sizeof(ResTable_map_entry) 3390 ? dtohl(((const ResTable_map_entry*)entry)->count) : 0; 3391 3392 size_t N = count; 3393 3394 TABLE_NOISY(ALOGI("Found map: size=%p parent=%p count=%d\n", 3395 entrySize, parent, count)); 3396 3397 // If this map inherits from another, we need to start 3398 // with its parent's values. Otherwise start out empty. 3399 TABLE_NOISY(printf("Creating new bag, entrySize=0x%08x, parent=0x%08x\n", 3400 entrySize, parent)); 3401 if (parent) { 3402 const bag_entry* parentBag; 3403 uint32_t parentTypeSpecFlags = 0; 3404 const ssize_t NP = getBagLocked(parent, &parentBag, &parentTypeSpecFlags); 3405 const size_t NT = ((NP >= 0) ? NP : 0) + N; 3406 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*NT); 3407 if (set == NULL) { 3408 return NO_MEMORY; 3409 } 3410 if (NP > 0) { 3411 memcpy(set+1, parentBag, NP*sizeof(bag_entry)); 3412 set->numAttrs = NP; 3413 TABLE_NOISY(ALOGI("Initialized new bag with %d inherited attributes.\n", NP)); 3414 } else { 3415 TABLE_NOISY(ALOGI("Initialized new bag with no inherited attributes.\n")); 3416 set->numAttrs = 0; 3417 } 3418 set->availAttrs = NT; 3419 set->typeSpecFlags = parentTypeSpecFlags; 3420 } else { 3421 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*N); 3422 if (set == NULL) { 3423 return NO_MEMORY; 3424 } 3425 set->numAttrs = 0; 3426 set->availAttrs = N; 3427 set->typeSpecFlags = 0; 3428 } 3429 3430 if (typeClass->typeSpecFlags != NULL) { 3431 set->typeSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); 3432 } else { 3433 set->typeSpecFlags = -1; 3434 } 3435 3436 // Now merge in the new attributes... 3437 ssize_t curOff = offset; 3438 const ResTable_map* map; 3439 bag_entry* entries = (bag_entry*)(set+1); 3440 size_t curEntry = 0; 3441 uint32_t pos = 0; 3442 TABLE_NOISY(ALOGI("Starting with set %p, entries=%p, avail=%d\n", 3443 set, entries, set->availAttrs)); 3444 while (pos < count) { 3445 TABLE_NOISY(printf("Now at %p\n", (void*)curOff)); 3446 3447 if ((size_t)curOff > (dtohl(type->header.size)-sizeof(ResTable_map))) { 3448 ALOGW("ResTable_map at %d is beyond type chunk data %d", 3449 (int)curOff, dtohl(type->header.size)); 3450 return BAD_TYPE; 3451 } 3452 map = (const ResTable_map*)(((const uint8_t*)type) + curOff); 3453 N++; 3454 3455 const uint32_t newName = htodl(map->name.ident); 3456 bool isInside; 3457 uint32_t oldName = 0; 3458 while ((isInside=(curEntry < set->numAttrs)) 3459 && (oldName=entries[curEntry].map.name.ident) < newName) { 3460 TABLE_NOISY(printf("#%d: Keeping existing attribute: 0x%08x\n", 3461 curEntry, entries[curEntry].map.name.ident)); 3462 curEntry++; 3463 } 3464 3465 if ((!isInside) || oldName != newName) { 3466 // This is a new attribute... figure out what to do with it. 3467 if (set->numAttrs >= set->availAttrs) { 3468 // Need to alloc more memory... 3469 const size_t newAvail = set->availAttrs+N; 3470 set = (bag_set*)realloc(set, 3471 sizeof(bag_set) 3472 + sizeof(bag_entry)*newAvail); 3473 if (set == NULL) { 3474 return NO_MEMORY; 3475 } 3476 set->availAttrs = newAvail; 3477 entries = (bag_entry*)(set+1); 3478 TABLE_NOISY(printf("Reallocated set %p, entries=%p, avail=%d\n", 3479 set, entries, set->availAttrs)); 3480 } 3481 if (isInside) { 3482 // Going in the middle, need to make space. 3483 memmove(entries+curEntry+1, entries+curEntry, 3484 sizeof(bag_entry)*(set->numAttrs-curEntry)); 3485 set->numAttrs++; 3486 } 3487 TABLE_NOISY(printf("#%d: Inserting new attribute: 0x%08x\n", 3488 curEntry, newName)); 3489 } else { 3490 TABLE_NOISY(printf("#%d: Replacing existing attribute: 0x%08x\n", 3491 curEntry, oldName)); 3492 } 3493 3494 bag_entry* cur = entries+curEntry; 3495 3496 cur->stringBlock = package->header->index; 3497 cur->map.name.ident = newName; 3498 cur->map.value.copyFrom_dtoh(map->value); 3499 TABLE_NOISY(printf("Setting entry #%d %p: block=%d, name=0x%08x, type=%d, data=0x%08x\n", 3500 curEntry, cur, cur->stringBlock, cur->map.name.ident, 3501 cur->map.value.dataType, cur->map.value.data)); 3502 3503 // On to the next! 3504 curEntry++; 3505 pos++; 3506 const size_t size = dtohs(map->value.size); 3507 curOff += size + sizeof(*map)-sizeof(map->value); 3508 }; 3509 if (curEntry > set->numAttrs) { 3510 set->numAttrs = curEntry; 3511 } 3512 } 3513 3514 // And this is it... 3515 typeSet[e] = set; 3516 if (set) { 3517 if (outTypeSpecFlags != NULL) { 3518 *outTypeSpecFlags = set->typeSpecFlags; 3519 } 3520 *outBag = (bag_entry*)(set+1); 3521 TABLE_NOISY(ALOGI("Returning %d attrs\n", set->numAttrs)); 3522 return set->numAttrs; 3523 } 3524 return BAD_INDEX; 3525 } 3526 3527 void ResTable::setParameters(const ResTable_config* params) 3528 { 3529 mLock.lock(); 3530 TABLE_GETENTRY(ALOGI("Setting parameters: %s\n", params->toString().string())); 3531 mParams = *params; 3532 for (size_t i=0; i<mPackageGroups.size(); i++) { 3533 TABLE_NOISY(ALOGI("CLEARING BAGS FOR GROUP %d!", i)); 3534 mPackageGroups[i]->clearBagCache(); 3535 } 3536 mLock.unlock(); 3537 } 3538 3539 void ResTable::getParameters(ResTable_config* params) const 3540 { 3541 mLock.lock(); 3542 *params = mParams; 3543 mLock.unlock(); 3544 } 3545 3546 struct id_name_map { 3547 uint32_t id; 3548 size_t len; 3549 char16_t name[6]; 3550 }; 3551 3552 const static id_name_map ID_NAMES[] = { 3553 { ResTable_map::ATTR_TYPE, 5, { '^', 't', 'y', 'p', 'e' } }, 3554 { ResTable_map::ATTR_L10N, 5, { '^', 'l', '1', '0', 'n' } }, 3555 { ResTable_map::ATTR_MIN, 4, { '^', 'm', 'i', 'n' } }, 3556 { ResTable_map::ATTR_MAX, 4, { '^', 'm', 'a', 'x' } }, 3557 { ResTable_map::ATTR_OTHER, 6, { '^', 'o', 't', 'h', 'e', 'r' } }, 3558 { ResTable_map::ATTR_ZERO, 5, { '^', 'z', 'e', 'r', 'o' } }, 3559 { ResTable_map::ATTR_ONE, 4, { '^', 'o', 'n', 'e' } }, 3560 { ResTable_map::ATTR_TWO, 4, { '^', 't', 'w', 'o' } }, 3561 { ResTable_map::ATTR_FEW, 4, { '^', 'f', 'e', 'w' } }, 3562 { ResTable_map::ATTR_MANY, 5, { '^', 'm', 'a', 'n', 'y' } }, 3563 }; 3564 3565 uint32_t ResTable::identifierForName(const char16_t* name, size_t nameLen, 3566 const char16_t* type, size_t typeLen, 3567 const char16_t* package, 3568 size_t packageLen, 3569 uint32_t* outTypeSpecFlags) const 3570 { 3571 TABLE_SUPER_NOISY(printf("Identifier for name: error=%d\n", mError)); 3572 3573 // Check for internal resource identifier as the very first thing, so 3574 // that we will always find them even when there are no resources. 3575 if (name[0] == '^') { 3576 const int N = (sizeof(ID_NAMES)/sizeof(ID_NAMES[0])); 3577 size_t len; 3578 for (int i=0; i<N; i++) { 3579 const id_name_map* m = ID_NAMES + i; 3580 len = m->len; 3581 if (len != nameLen) { 3582 continue; 3583 } 3584 for (size_t j=1; j<len; j++) { 3585 if (m->name[j] != name[j]) { 3586 goto nope; 3587 } 3588 } 3589 if (outTypeSpecFlags) { 3590 *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; 3591 } 3592 return m->id; 3593 nope: 3594 ; 3595 } 3596 if (nameLen > 7) { 3597 if (name[1] == 'i' && name[2] == 'n' 3598 && name[3] == 'd' && name[4] == 'e' && name[5] == 'x' 3599 && name[6] == '_') { 3600 int index = atoi(String8(name + 7, nameLen - 7).string()); 3601 if (Res_CHECKID(index)) { 3602 ALOGW("Array resource index: %d is too large.", 3603 index); 3604 return 0; 3605 } 3606 if (outTypeSpecFlags) { 3607 *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; 3608 } 3609 return Res_MAKEARRAY(index); 3610 } 3611 } 3612 return 0; 3613 } 3614 3615 if (mError != NO_ERROR) { 3616 return 0; 3617 } 3618 3619 bool fakePublic = false; 3620 3621 // Figure out the package and type we are looking in... 3622 3623 const char16_t* packageEnd = NULL; 3624 const char16_t* typeEnd = NULL; 3625 const char16_t* const nameEnd = name+nameLen; 3626 const char16_t* p = name; 3627 while (p < nameEnd) { 3628 if (*p == ':') packageEnd = p; 3629 else if (*p == '/') typeEnd = p; 3630 p++; 3631 } 3632 if (*name == '@') { 3633 name++; 3634 if (*name == '*') { 3635 fakePublic = true; 3636 name++; 3637 } 3638 } 3639 if (name >= nameEnd) { 3640 return 0; 3641 } 3642 3643 if (packageEnd) { 3644 package = name; 3645 packageLen = packageEnd-name; 3646 name = packageEnd+1; 3647 } else if (!package) { 3648 return 0; 3649 } 3650 3651 if (typeEnd) { 3652 type = name; 3653 typeLen = typeEnd-name; 3654 name = typeEnd+1; 3655 } else if (!type) { 3656 return 0; 3657 } 3658 3659 if (name >= nameEnd) { 3660 return 0; 3661 } 3662 nameLen = nameEnd-name; 3663 3664 TABLE_NOISY(printf("Looking for identifier: type=%s, name=%s, package=%s\n", 3665 String8(type, typeLen).string(), 3666 String8(name, nameLen).string(), 3667 String8(package, packageLen).string())); 3668 3669 const size_t NG = mPackageGroups.size(); 3670 for (size_t ig=0; ig<NG; ig++) { 3671 const PackageGroup* group = mPackageGroups[ig]; 3672 3673 if (strzcmp16(package, packageLen, 3674 group->name.string(), group->name.size())) { 3675 TABLE_NOISY(printf("Skipping package group: %s\n", String8(group->name).string())); 3676 continue; 3677 } 3678 3679 const ssize_t ti = group->basePackage->typeStrings.indexOfString(type, typeLen); 3680 if (ti < 0) { 3681 TABLE_NOISY(printf("Type not found in package %s\n", String8(group->name).string())); 3682 continue; 3683 } 3684 3685 const ssize_t ei = group->basePackage->keyStrings.indexOfString(name, nameLen); 3686 if (ei < 0) { 3687 TABLE_NOISY(printf("Name not found in package %s\n", String8(group->name).string())); 3688 continue; 3689 } 3690 3691 TABLE_NOISY(printf("Search indices: type=%d, name=%d\n", ti, ei)); 3692 3693 const Type* const typeConfigs = group->packages[0]->getType(ti); 3694 if (typeConfigs == NULL || typeConfigs->configs.size() <= 0) { 3695 TABLE_NOISY(printf("Expected type structure not found in package %s for idnex %d\n", 3696 String8(group->name).string(), ti)); 3697 } 3698 3699 size_t NTC = typeConfigs->configs.size(); 3700 for (size_t tci=0; tci<NTC; tci++) { 3701 const ResTable_type* const ty = typeConfigs->configs[tci]; 3702 const uint32_t typeOffset = dtohl(ty->entriesStart); 3703 3704 const uint8_t* const end = ((const uint8_t*)ty) + dtohl(ty->header.size); 3705 const uint32_t* const eindex = (const uint32_t*) 3706 (((const uint8_t*)ty) + dtohs(ty->header.headerSize)); 3707 3708 const size_t NE = dtohl(ty->entryCount); 3709 for (size_t i=0; i<NE; i++) { 3710 uint32_t offset = dtohl(eindex[i]); 3711 if (offset == ResTable_type::NO_ENTRY) { 3712 continue; 3713 } 3714 3715 offset += typeOffset; 3716 3717 if (offset > (dtohl(ty->header.size)-sizeof(ResTable_entry))) { 3718 ALOGW("ResTable_entry at %d is beyond type chunk data %d", 3719 offset, dtohl(ty->header.size)); 3720 return 0; 3721 } 3722 if ((offset&0x3) != 0) { 3723 ALOGW("ResTable_entry at %d (pkg=%d type=%d ent=%d) is not on an integer boundary when looking for %s:%s/%s", 3724 (int)offset, (int)group->id, (int)ti+1, (int)i, 3725 String8(package, packageLen).string(), 3726 String8(type, typeLen).string(), 3727 String8(name, nameLen).string()); 3728 return 0; 3729 } 3730 3731 const ResTable_entry* const entry = (const ResTable_entry*) 3732 (((const uint8_t*)ty) + offset); 3733 if (dtohs(entry->size) < sizeof(*entry)) { 3734 ALOGW("ResTable_entry size %d is too small", dtohs(entry->size)); 3735 return BAD_TYPE; 3736 } 3737 3738 TABLE_SUPER_NOISY(printf("Looking at entry #%d: want str %d, have %d\n", 3739 i, ei, dtohl(entry->key.index))); 3740 if (dtohl(entry->key.index) == (size_t)ei) { 3741 if (outTypeSpecFlags) { 3742 *outTypeSpecFlags = typeConfigs->typeSpecFlags[i]; 3743 if (fakePublic) { 3744 *outTypeSpecFlags |= ResTable_typeSpec::SPEC_PUBLIC; 3745 } 3746 } 3747 return Res_MAKEID(group->id-1, ti, i); 3748 } 3749 } 3750 } 3751 } 3752 3753 return 0; 3754 } 3755 3756 bool ResTable::expandResourceRef(const uint16_t* refStr, size_t refLen, 3757 String16* outPackage, 3758 String16* outType, 3759 String16* outName, 3760 const String16* defType, 3761 const String16* defPackage, 3762 const char** outErrorMsg, 3763 bool* outPublicOnly) 3764 { 3765 const char16_t* packageEnd = NULL; 3766 const char16_t* typeEnd = NULL; 3767 const char16_t* p = refStr; 3768 const char16_t* const end = p + refLen; 3769 while (p < end) { 3770 if (*p == ':') packageEnd = p; 3771 else if (*p == '/') { 3772 typeEnd = p; 3773 break; 3774 } 3775 p++; 3776 } 3777 p = refStr; 3778 if (*p == '@') p++; 3779 3780 if (outPublicOnly != NULL) { 3781 *outPublicOnly = true; 3782 } 3783 if (*p == '*') { 3784 p++; 3785 if (outPublicOnly != NULL) { 3786 *outPublicOnly = false; 3787 } 3788 } 3789 3790 if (packageEnd) { 3791 *outPackage = String16(p, packageEnd-p); 3792 p = packageEnd+1; 3793 } else { 3794 if (!defPackage) { 3795 if (outErrorMsg) { 3796 *outErrorMsg = "No resource package specified"; 3797 } 3798 return false; 3799 } 3800 *outPackage = *defPackage; 3801 } 3802 if (typeEnd) { 3803 *outType = String16(p, typeEnd-p); 3804 p = typeEnd+1; 3805 } else { 3806 if (!defType) { 3807 if (outErrorMsg) { 3808 *outErrorMsg = "No resource type specified"; 3809 } 3810 return false; 3811 } 3812 *outType = *defType; 3813 } 3814 *outName = String16(p, end-p); 3815 if(**outPackage == 0) { 3816 if(outErrorMsg) { 3817 *outErrorMsg = "Resource package cannot be an empty string"; 3818 } 3819 return false; 3820 } 3821 if(**outType == 0) { 3822 if(outErrorMsg) { 3823 *outErrorMsg = "Resource type cannot be an empty string"; 3824 } 3825 return false; 3826 } 3827 if(**outName == 0) { 3828 if(outErrorMsg) { 3829 *outErrorMsg = "Resource id cannot be an empty string"; 3830 } 3831 return false; 3832 } 3833 return true; 3834 } 3835 3836 static uint32_t get_hex(char c, bool* outError) 3837 { 3838 if (c >= '0' && c <= '9') { 3839 return c - '0'; 3840 } else if (c >= 'a' && c <= 'f') { 3841 return c - 'a' + 0xa; 3842 } else if (c >= 'A' && c <= 'F') { 3843 return c - 'A' + 0xa; 3844 } 3845 *outError = true; 3846 return 0; 3847 } 3848 3849 struct unit_entry 3850 { 3851 const char* name; 3852 size_t len; 3853 uint8_t type; 3854 uint32_t unit; 3855 float scale; 3856 }; 3857 3858 static const unit_entry unitNames[] = { 3859 { "px", strlen("px"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PX, 1.0f }, 3860 { "dip", strlen("dip"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 3861 { "dp", strlen("dp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 3862 { "sp", strlen("sp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_SP, 1.0f }, 3863 { "pt", strlen("pt"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PT, 1.0f }, 3864 { "in", strlen("in"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_IN, 1.0f }, 3865 { "mm", strlen("mm"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_MM, 1.0f }, 3866 { "%", strlen("%"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION, 1.0f/100 }, 3867 { "%p", strlen("%p"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION_PARENT, 1.0f/100 }, 3868 { NULL, 0, 0, 0, 0 } 3869 }; 3870 3871 static bool parse_unit(const char* str, Res_value* outValue, 3872 float* outScale, const char** outEnd) 3873 { 3874 const char* end = str; 3875 while (*end != 0 && !isspace((unsigned char)*end)) { 3876 end++; 3877 } 3878 const size_t len = end-str; 3879 3880 const char* realEnd = end; 3881 while (*realEnd != 0 && isspace((unsigned char)*realEnd)) { 3882 realEnd++; 3883 } 3884 if (*realEnd != 0) { 3885 return false; 3886 } 3887 3888 const unit_entry* cur = unitNames; 3889 while (cur->name) { 3890 if (len == cur->len && strncmp(cur->name, str, len) == 0) { 3891 outValue->dataType = cur->type; 3892 outValue->data = cur->unit << Res_value::COMPLEX_UNIT_SHIFT; 3893 *outScale = cur->scale; 3894 *outEnd = end; 3895 //printf("Found unit %s for %s\n", cur->name, str); 3896 return true; 3897 } 3898 cur++; 3899 } 3900 3901 return false; 3902 } 3903 3904 3905 bool ResTable::stringToInt(const char16_t* s, size_t len, Res_value* outValue) 3906 { 3907 while (len > 0 && isspace16(*s)) { 3908 s++; 3909 len--; 3910 } 3911 3912 if (len <= 0) { 3913 return false; 3914 } 3915 3916 size_t i = 0; 3917 int32_t val = 0; 3918 bool neg = false; 3919 3920 if (*s == '-') { 3921 neg = true; 3922 i++; 3923 } 3924 3925 if (s[i] < '0' || s[i] > '9') { 3926 return false; 3927 } 3928 3929 // Decimal or hex? 3930 if (s[i] == '0' && s[i+1] == 'x') { 3931 if (outValue) 3932 outValue->dataType = outValue->TYPE_INT_HEX; 3933 i += 2; 3934 bool error = false; 3935 while (i < len && !error) { 3936 val = (val*16) + get_hex(s[i], &error); 3937 i++; 3938 } 3939 if (error) { 3940 return false; 3941 } 3942 } else { 3943 if (outValue) 3944 outValue->dataType = outValue->TYPE_INT_DEC; 3945 while (i < len) { 3946 if (s[i] < '0' || s[i] > '9') { 3947 return false; 3948 } 3949 val = (val*10) + s[i]-'0'; 3950 i++; 3951 } 3952 } 3953 3954 if (neg) val = -val; 3955 3956 while (i < len && isspace16(s[i])) { 3957 i++; 3958 } 3959 3960 if (i == len) { 3961 if (outValue) 3962 outValue->data = val; 3963 return true; 3964 } 3965 3966 return false; 3967 } 3968 3969 bool ResTable::stringToFloat(const char16_t* s, size_t len, Res_value* outValue) 3970 { 3971 while (len > 0 && isspace16(*s)) { 3972 s++; 3973 len--; 3974 } 3975 3976 if (len <= 0) { 3977 return false; 3978 } 3979 3980 char buf[128]; 3981 int i=0; 3982 while (len > 0 && *s != 0 && i < 126) { 3983 if (*s > 255) { 3984 return false; 3985 } 3986 buf[i++] = *s++; 3987 len--; 3988 } 3989 3990 if (len > 0) { 3991 return false; 3992 } 3993 if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') { 3994 return false; 3995 } 3996 3997 buf[i] = 0; 3998 const char* end; 3999 float f = strtof(buf, (char**)&end); 4000 4001 if (*end != 0 && !isspace((unsigned char)*end)) { 4002 // Might be a unit... 4003 float scale; 4004 if (parse_unit(end, outValue, &scale, &end)) { 4005 f *= scale; 4006 const bool neg = f < 0; 4007 if (neg) f = -f; 4008 uint64_t bits = (uint64_t)(f*(1<<23)+.5f); 4009 uint32_t radix; 4010 uint32_t shift; 4011 if ((bits&0x7fffff) == 0) { 4012 // Always use 23p0 if there is no fraction, just to make 4013 // things easier to read. 4014 radix = Res_value::COMPLEX_RADIX_23p0; 4015 shift = 23; 4016 } else if ((bits&0xffffffffff800000LL) == 0) { 4017 // Magnitude is zero -- can fit in 0 bits of precision. 4018 radix = Res_value::COMPLEX_RADIX_0p23; 4019 shift = 0; 4020 } else if ((bits&0xffffffff80000000LL) == 0) { 4021 // Magnitude can fit in 8 bits of precision. 4022 radix = Res_value::COMPLEX_RADIX_8p15; 4023 shift = 8; 4024 } else if ((bits&0xffffff8000000000LL) == 0) { 4025 // Magnitude can fit in 16 bits of precision. 4026 radix = Res_value::COMPLEX_RADIX_16p7; 4027 shift = 16; 4028 } else { 4029 // Magnitude needs entire range, so no fractional part. 4030 radix = Res_value::COMPLEX_RADIX_23p0; 4031 shift = 23; 4032 } 4033 int32_t mantissa = (int32_t)( 4034 (bits>>shift) & Res_value::COMPLEX_MANTISSA_MASK); 4035 if (neg) { 4036 mantissa = (-mantissa) & Res_value::COMPLEX_MANTISSA_MASK; 4037 } 4038 outValue->data |= 4039 (radix<<Res_value::COMPLEX_RADIX_SHIFT) 4040 | (mantissa<<Res_value::COMPLEX_MANTISSA_SHIFT); 4041 //printf("Input value: %f 0x%016Lx, mult: %f, radix: %d, shift: %d, final: 0x%08x\n", 4042 // f * (neg ? -1 : 1), bits, f*(1<<23), 4043 // radix, shift, outValue->data); 4044 return true; 4045 } 4046 return false; 4047 } 4048 4049 while (*end != 0 && isspace((unsigned char)*end)) { 4050 end++; 4051 } 4052 4053 if (*end == 0) { 4054 if (outValue) { 4055 outValue->dataType = outValue->TYPE_FLOAT; 4056 *(float*)(&outValue->data) = f; 4057 return true; 4058 } 4059 } 4060 4061 return false; 4062 } 4063 4064 bool ResTable::stringToValue(Res_value* outValue, String16* outString, 4065 const char16_t* s, size_t len, 4066 bool preserveSpaces, bool coerceType, 4067 uint32_t attrID, 4068 const String16* defType, 4069 const String16* defPackage, 4070 Accessor* accessor, 4071 void* accessorCookie, 4072 uint32_t attrType, 4073 bool enforcePrivate) const 4074 { 4075 bool localizationSetting = accessor != NULL && accessor->getLocalizationSetting(); 4076 const char* errorMsg = NULL; 4077 4078 outValue->size = sizeof(Res_value); 4079 outValue->res0 = 0; 4080 4081 // First strip leading/trailing whitespace. Do this before handling 4082 // escapes, so they can be used to force whitespace into the string. 4083 if (!preserveSpaces) { 4084 while (len > 0 && isspace16(*s)) { 4085 s++; 4086 len--; 4087 } 4088 while (len > 0 && isspace16(s[len-1])) { 4089 len--; 4090 } 4091 // If the string ends with '\', then we keep the space after it. 4092 if (len > 0 && s[len-1] == '\\' && s[len] != 0) { 4093 len++; 4094 } 4095 } 4096 4097 //printf("Value for: %s\n", String8(s, len).string()); 4098 4099 uint32_t l10nReq = ResTable_map::L10N_NOT_REQUIRED; 4100 uint32_t attrMin = 0x80000000, attrMax = 0x7fffffff; 4101 bool fromAccessor = false; 4102 if (attrID != 0 && !Res_INTERNALID(attrID)) { 4103 const ssize_t p = getResourcePackageIndex(attrID); 4104 const bag_entry* bag; 4105 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4106 //printf("For attr 0x%08x got bag of %d\n", attrID, cnt); 4107 if (cnt >= 0) { 4108 while (cnt > 0) { 4109 //printf("Entry 0x%08x = 0x%08x\n", bag->map.name.ident, bag->map.value.data); 4110 switch (bag->map.name.ident) { 4111 case ResTable_map::ATTR_TYPE: 4112 attrType = bag->map.value.data; 4113 break; 4114 case ResTable_map::ATTR_MIN: 4115 attrMin = bag->map.value.data; 4116 break; 4117 case ResTable_map::ATTR_MAX: 4118 attrMax = bag->map.value.data; 4119 break; 4120 case ResTable_map::ATTR_L10N: 4121 l10nReq = bag->map.value.data; 4122 break; 4123 } 4124 bag++; 4125 cnt--; 4126 } 4127 unlockBag(bag); 4128 } else if (accessor && accessor->getAttributeType(attrID, &attrType)) { 4129 fromAccessor = true; 4130 if (attrType == ResTable_map::TYPE_ENUM 4131 || attrType == ResTable_map::TYPE_FLAGS 4132 || attrType == ResTable_map::TYPE_INTEGER) { 4133 accessor->getAttributeMin(attrID, &attrMin); 4134 accessor->getAttributeMax(attrID, &attrMax); 4135 } 4136 if (localizationSetting) { 4137 l10nReq = accessor->getAttributeL10N(attrID); 4138 } 4139 } 4140 } 4141 4142 const bool canStringCoerce = 4143 coerceType && (attrType&ResTable_map::TYPE_STRING) != 0; 4144 4145 if (*s == '@') { 4146 outValue->dataType = outValue->TYPE_REFERENCE; 4147 4148 // Note: we don't check attrType here because the reference can 4149 // be to any other type; we just need to count on the client making 4150 // sure the referenced type is correct. 4151 4152 //printf("Looking up ref: %s\n", String8(s, len).string()); 4153 4154 // It's a reference! 4155 if (len == 5 && s[1]=='n' && s[2]=='u' && s[3]=='l' && s[4]=='l') { 4156 outValue->data = 0; 4157 return true; 4158 } else { 4159 bool createIfNotFound = false; 4160 const char16_t* resourceRefName; 4161 int resourceNameLen; 4162 if (len > 2 && s[1] == '+') { 4163 createIfNotFound = true; 4164 resourceRefName = s + 2; 4165 resourceNameLen = len - 2; 4166 } else if (len > 2 && s[1] == '*') { 4167 enforcePrivate = false; 4168 resourceRefName = s + 2; 4169 resourceNameLen = len - 2; 4170 } else { 4171 createIfNotFound = false; 4172 resourceRefName = s + 1; 4173 resourceNameLen = len - 1; 4174 } 4175 String16 package, type, name; 4176 if (!expandResourceRef(resourceRefName,resourceNameLen, &package, &type, &name, 4177 defType, defPackage, &errorMsg)) { 4178 if (accessor != NULL) { 4179 accessor->reportError(accessorCookie, errorMsg); 4180 } 4181 return false; 4182 } 4183 4184 uint32_t specFlags = 0; 4185 uint32_t rid = identifierForName(name.string(), name.size(), type.string(), 4186 type.size(), package.string(), package.size(), &specFlags); 4187 if (rid != 0) { 4188 if (enforcePrivate) { 4189 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 4190 if (accessor != NULL) { 4191 accessor->reportError(accessorCookie, "Resource is not public."); 4192 } 4193 return false; 4194 } 4195 } 4196 if (!accessor) { 4197 outValue->data = rid; 4198 return true; 4199 } 4200 rid = Res_MAKEID( 4201 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 4202 Res_GETTYPE(rid), Res_GETENTRY(rid)); 4203 TABLE_NOISY(printf("Incl %s:%s/%s: 0x%08x\n", 4204 String8(package).string(), String8(type).string(), 4205 String8(name).string(), rid)); 4206 outValue->data = rid; 4207 return true; 4208 } 4209 4210 if (accessor) { 4211 uint32_t rid = accessor->getCustomResourceWithCreation(package, type, name, 4212 createIfNotFound); 4213 if (rid != 0) { 4214 TABLE_NOISY(printf("Pckg %s:%s/%s: 0x%08x\n", 4215 String8(package).string(), String8(type).string(), 4216 String8(name).string(), rid)); 4217 outValue->data = rid; 4218 return true; 4219 } 4220 } 4221 } 4222 4223 if (accessor != NULL) { 4224 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 4225 } 4226 return false; 4227 } 4228 4229 // if we got to here, and localization is required and it's not a reference, 4230 // complain and bail. 4231 if (l10nReq == ResTable_map::L10N_SUGGESTED) { 4232 if (localizationSetting) { 4233 if (accessor != NULL) { 4234 accessor->reportError(accessorCookie, "This attribute must be localized."); 4235 } 4236 } 4237 } 4238 4239 if (*s == '#') { 4240 // It's a color! Convert to an integer of the form 0xaarrggbb. 4241 uint32_t color = 0; 4242 bool error = false; 4243 if (len == 4) { 4244 outValue->dataType = outValue->TYPE_INT_COLOR_RGB4; 4245 color |= 0xFF000000; 4246 color |= get_hex(s[1], &error) << 20; 4247 color |= get_hex(s[1], &error) << 16; 4248 color |= get_hex(s[2], &error) << 12; 4249 color |= get_hex(s[2], &error) << 8; 4250 color |= get_hex(s[3], &error) << 4; 4251 color |= get_hex(s[3], &error); 4252 } else if (len == 5) { 4253 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB4; 4254 color |= get_hex(s[1], &error) << 28; 4255 color |= get_hex(s[1], &error) << 24; 4256 color |= get_hex(s[2], &error) << 20; 4257 color |= get_hex(s[2], &error) << 16; 4258 color |= get_hex(s[3], &error) << 12; 4259 color |= get_hex(s[3], &error) << 8; 4260 color |= get_hex(s[4], &error) << 4; 4261 color |= get_hex(s[4], &error); 4262 } else if (len == 7) { 4263 outValue->dataType = outValue->TYPE_INT_COLOR_RGB8; 4264 color |= 0xFF000000; 4265 color |= get_hex(s[1], &error) << 20; 4266 color |= get_hex(s[2], &error) << 16; 4267 color |= get_hex(s[3], &error) << 12; 4268 color |= get_hex(s[4], &error) << 8; 4269 color |= get_hex(s[5], &error) << 4; 4270 color |= get_hex(s[6], &error); 4271 } else if (len == 9) { 4272 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB8; 4273 color |= get_hex(s[1], &error) << 28; 4274 color |= get_hex(s[2], &error) << 24; 4275 color |= get_hex(s[3], &error) << 20; 4276 color |= get_hex(s[4], &error) << 16; 4277 color |= get_hex(s[5], &error) << 12; 4278 color |= get_hex(s[6], &error) << 8; 4279 color |= get_hex(s[7], &error) << 4; 4280 color |= get_hex(s[8], &error); 4281 } else { 4282 error = true; 4283 } 4284 if (!error) { 4285 if ((attrType&ResTable_map::TYPE_COLOR) == 0) { 4286 if (!canStringCoerce) { 4287 if (accessor != NULL) { 4288 accessor->reportError(accessorCookie, 4289 "Color types not allowed"); 4290 } 4291 return false; 4292 } 4293 } else { 4294 outValue->data = color; 4295 //printf("Color input=%s, output=0x%x\n", String8(s, len).string(), color); 4296 return true; 4297 } 4298 } else { 4299 if ((attrType&ResTable_map::TYPE_COLOR) != 0) { 4300 if (accessor != NULL) { 4301 accessor->reportError(accessorCookie, "Color value not valid --" 4302 " must be #rgb, #argb, #rrggbb, or #aarrggbb"); 4303 } 4304 #if 0 4305 fprintf(stderr, "%s: Color ID %s value %s is not valid\n", 4306 "Resource File", //(const char*)in->getPrintableSource(), 4307 String8(*curTag).string(), 4308 String8(s, len).string()); 4309 #endif 4310 return false; 4311 } 4312 } 4313 } 4314 4315 if (*s == '?') { 4316 outValue->dataType = outValue->TYPE_ATTRIBUTE; 4317 4318 // Note: we don't check attrType here because the reference can 4319 // be to any other type; we just need to count on the client making 4320 // sure the referenced type is correct. 4321 4322 //printf("Looking up attr: %s\n", String8(s, len).string()); 4323 4324 static const String16 attr16("attr"); 4325 String16 package, type, name; 4326 if (!expandResourceRef(s+1, len-1, &package, &type, &name, 4327 &attr16, defPackage, &errorMsg)) { 4328 if (accessor != NULL) { 4329 accessor->reportError(accessorCookie, errorMsg); 4330 } 4331 return false; 4332 } 4333 4334 //printf("Pkg: %s, Type: %s, Name: %s\n", 4335 // String8(package).string(), String8(type).string(), 4336 // String8(name).string()); 4337 uint32_t specFlags = 0; 4338 uint32_t rid = 4339 identifierForName(name.string(), name.size(), 4340 type.string(), type.size(), 4341 package.string(), package.size(), &specFlags); 4342 if (rid != 0) { 4343 if (enforcePrivate) { 4344 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 4345 if (accessor != NULL) { 4346 accessor->reportError(accessorCookie, "Attribute is not public."); 4347 } 4348 return false; 4349 } 4350 } 4351 if (!accessor) { 4352 outValue->data = rid; 4353 return true; 4354 } 4355 rid = Res_MAKEID( 4356 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 4357 Res_GETTYPE(rid), Res_GETENTRY(rid)); 4358 //printf("Incl %s:%s/%s: 0x%08x\n", 4359 // String8(package).string(), String8(type).string(), 4360 // String8(name).string(), rid); 4361 outValue->data = rid; 4362 return true; 4363 } 4364 4365 if (accessor) { 4366 uint32_t rid = accessor->getCustomResource(package, type, name); 4367 if (rid != 0) { 4368 //printf("Mine %s:%s/%s: 0x%08x\n", 4369 // String8(package).string(), String8(type).string(), 4370 // String8(name).string(), rid); 4371 outValue->data = rid; 4372 return true; 4373 } 4374 } 4375 4376 if (accessor != NULL) { 4377 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 4378 } 4379 return false; 4380 } 4381 4382 if (stringToInt(s, len, outValue)) { 4383 if ((attrType&ResTable_map::TYPE_INTEGER) == 0) { 4384 // If this type does not allow integers, but does allow floats, 4385 // fall through on this error case because the float type should 4386 // be able to accept any integer value. 4387 if (!canStringCoerce && (attrType&ResTable_map::TYPE_FLOAT) == 0) { 4388 if (accessor != NULL) { 4389 accessor->reportError(accessorCookie, "Integer types not allowed"); 4390 } 4391 return false; 4392 } 4393 } else { 4394 if (((int32_t)outValue->data) < ((int32_t)attrMin) 4395 || ((int32_t)outValue->data) > ((int32_t)attrMax)) { 4396 if (accessor != NULL) { 4397 accessor->reportError(accessorCookie, "Integer value out of range"); 4398 } 4399 return false; 4400 } 4401 return true; 4402 } 4403 } 4404 4405 if (stringToFloat(s, len, outValue)) { 4406 if (outValue->dataType == Res_value::TYPE_DIMENSION) { 4407 if ((attrType&ResTable_map::TYPE_DIMENSION) != 0) { 4408 return true; 4409 } 4410 if (!canStringCoerce) { 4411 if (accessor != NULL) { 4412 accessor->reportError(accessorCookie, "Dimension types not allowed"); 4413 } 4414 return false; 4415 } 4416 } else if (outValue->dataType == Res_value::TYPE_FRACTION) { 4417 if ((attrType&ResTable_map::TYPE_FRACTION) != 0) { 4418 return true; 4419 } 4420 if (!canStringCoerce) { 4421 if (accessor != NULL) { 4422 accessor->reportError(accessorCookie, "Fraction types not allowed"); 4423 } 4424 return false; 4425 } 4426 } else if ((attrType&ResTable_map::TYPE_FLOAT) == 0) { 4427 if (!canStringCoerce) { 4428 if (accessor != NULL) { 4429 accessor->reportError(accessorCookie, "Float types not allowed"); 4430 } 4431 return false; 4432 } 4433 } else { 4434 return true; 4435 } 4436 } 4437 4438 if (len == 4) { 4439 if ((s[0] == 't' || s[0] == 'T') && 4440 (s[1] == 'r' || s[1] == 'R') && 4441 (s[2] == 'u' || s[2] == 'U') && 4442 (s[3] == 'e' || s[3] == 'E')) { 4443 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 4444 if (!canStringCoerce) { 4445 if (accessor != NULL) { 4446 accessor->reportError(accessorCookie, "Boolean types not allowed"); 4447 } 4448 return false; 4449 } 4450 } else { 4451 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 4452 outValue->data = (uint32_t)-1; 4453 return true; 4454 } 4455 } 4456 } 4457 4458 if (len == 5) { 4459 if ((s[0] == 'f' || s[0] == 'F') && 4460 (s[1] == 'a' || s[1] == 'A') && 4461 (s[2] == 'l' || s[2] == 'L') && 4462 (s[3] == 's' || s[3] == 'S') && 4463 (s[4] == 'e' || s[4] == 'E')) { 4464 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 4465 if (!canStringCoerce) { 4466 if (accessor != NULL) { 4467 accessor->reportError(accessorCookie, "Boolean types not allowed"); 4468 } 4469 return false; 4470 } 4471 } else { 4472 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 4473 outValue->data = 0; 4474 return true; 4475 } 4476 } 4477 } 4478 4479 if ((attrType&ResTable_map::TYPE_ENUM) != 0) { 4480 const ssize_t p = getResourcePackageIndex(attrID); 4481 const bag_entry* bag; 4482 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4483 //printf("Got %d for enum\n", cnt); 4484 if (cnt >= 0) { 4485 resource_name rname; 4486 while (cnt > 0) { 4487 if (!Res_INTERNALID(bag->map.name.ident)) { 4488 //printf("Trying attr #%08x\n", bag->map.name.ident); 4489 if (getResourceName(bag->map.name.ident, &rname)) { 4490 #if 0 4491 printf("Matching %s against %s (0x%08x)\n", 4492 String8(s, len).string(), 4493 String8(rname.name, rname.nameLen).string(), 4494 bag->map.name.ident); 4495 #endif 4496 if (strzcmp16(s, len, rname.name, rname.nameLen) == 0) { 4497 outValue->dataType = bag->map.value.dataType; 4498 outValue->data = bag->map.value.data; 4499 unlockBag(bag); 4500 return true; 4501 } 4502 } 4503 4504 } 4505 bag++; 4506 cnt--; 4507 } 4508 unlockBag(bag); 4509 } 4510 4511 if (fromAccessor) { 4512 if (accessor->getAttributeEnum(attrID, s, len, outValue)) { 4513 return true; 4514 } 4515 } 4516 } 4517 4518 if ((attrType&ResTable_map::TYPE_FLAGS) != 0) { 4519 const ssize_t p = getResourcePackageIndex(attrID); 4520 const bag_entry* bag; 4521 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4522 //printf("Got %d for flags\n", cnt); 4523 if (cnt >= 0) { 4524 bool failed = false; 4525 resource_name rname; 4526 outValue->dataType = Res_value::TYPE_INT_HEX; 4527 outValue->data = 0; 4528 const char16_t* end = s + len; 4529 const char16_t* pos = s; 4530 while (pos < end && !failed) { 4531 const char16_t* start = pos; 4532 pos++; 4533 while (pos < end && *pos != '|') { 4534 pos++; 4535 } 4536 //printf("Looking for: %s\n", String8(start, pos-start).string()); 4537 const bag_entry* bagi = bag; 4538 ssize_t i; 4539 for (i=0; i<cnt; i++, bagi++) { 4540 if (!Res_INTERNALID(bagi->map.name.ident)) { 4541 //printf("Trying attr #%08x\n", bagi->map.name.ident); 4542 if (getResourceName(bagi->map.name.ident, &rname)) { 4543 #if 0 4544 printf("Matching %s against %s (0x%08x)\n", 4545 String8(start,pos-start).string(), 4546 String8(rname.name, rname.nameLen).string(), 4547 bagi->map.name.ident); 4548 #endif 4549 if (strzcmp16(start, pos-start, rname.name, rname.nameLen) == 0) { 4550 outValue->data |= bagi->map.value.data; 4551 break; 4552 } 4553 } 4554 } 4555 } 4556 if (i >= cnt) { 4557 // Didn't find this flag identifier. 4558 failed = true; 4559 } 4560 if (pos < end) { 4561 pos++; 4562 } 4563 } 4564 unlockBag(bag); 4565 if (!failed) { 4566 //printf("Final flag value: 0x%lx\n", outValue->data); 4567 return true; 4568 } 4569 } 4570 4571 4572 if (fromAccessor) { 4573 if (accessor->getAttributeFlags(attrID, s, len, outValue)) { 4574 //printf("Final flag value: 0x%lx\n", outValue->data); 4575 return true; 4576 } 4577 } 4578 } 4579 4580 if ((attrType&ResTable_map::TYPE_STRING) == 0) { 4581 if (accessor != NULL) { 4582 accessor->reportError(accessorCookie, "String types not allowed"); 4583 } 4584 return false; 4585 } 4586 4587 // Generic string handling... 4588 outValue->dataType = outValue->TYPE_STRING; 4589 if (outString) { 4590 bool failed = collectString(outString, s, len, preserveSpaces, &errorMsg); 4591 if (accessor != NULL) { 4592 accessor->reportError(accessorCookie, errorMsg); 4593 } 4594 return failed; 4595 } 4596 4597 return true; 4598 } 4599 4600 bool ResTable::collectString(String16* outString, 4601 const char16_t* s, size_t len, 4602 bool preserveSpaces, 4603 const char** outErrorMsg, 4604 bool append) 4605 { 4606 String16 tmp; 4607 4608 char quoted = 0; 4609 const char16_t* p = s; 4610 while (p < (s+len)) { 4611 while (p < (s+len)) { 4612 const char16_t c = *p; 4613 if (c == '\\') { 4614 break; 4615 } 4616 if (!preserveSpaces) { 4617 if (quoted == 0 && isspace16(c) 4618 && (c != ' ' || isspace16(*(p+1)))) { 4619 break; 4620 } 4621 if (c == '"' && (quoted == 0 || quoted == '"')) { 4622 break; 4623 } 4624 if (c == '\'' && (quoted == 0 || quoted == '\'')) { 4625 /* 4626 * In practice, when people write ' instead of \' 4627 * in a string, they are doing it by accident 4628 * instead of really meaning to use ' as a quoting 4629 * character. Warn them so they don't lose it. 4630 */ 4631 if (outErrorMsg) { 4632 *outErrorMsg = "Apostrophe not preceded by \\"; 4633 } 4634 return false; 4635 } 4636 } 4637 p++; 4638 } 4639 if (p < (s+len)) { 4640 if (p > s) { 4641 tmp.append(String16(s, p-s)); 4642 } 4643 if (!preserveSpaces && (*p == '"' || *p == '\'')) { 4644 if (quoted == 0) { 4645 quoted = *p; 4646 } else { 4647 quoted = 0; 4648 } 4649 p++; 4650 } else if (!preserveSpaces && isspace16(*p)) { 4651 // Space outside of a quote -- consume all spaces and 4652 // leave a single plain space char. 4653 tmp.append(String16(" ")); 4654 p++; 4655 while (p < (s+len) && isspace16(*p)) { 4656 p++; 4657 } 4658 } else if (*p == '\\') { 4659 p++; 4660 if (p < (s+len)) { 4661 switch (*p) { 4662 case 't': 4663 tmp.append(String16("\t")); 4664 break; 4665 case 'n': 4666 tmp.append(String16("\n")); 4667 break; 4668 case '#': 4669 tmp.append(String16("#")); 4670 break; 4671 case '@': 4672 tmp.append(String16("@")); 4673 break; 4674 case '?': 4675 tmp.append(String16("?")); 4676 break; 4677 case '"': 4678 tmp.append(String16("\"")); 4679 break; 4680 case '\'': 4681 tmp.append(String16("'")); 4682 break; 4683 case '\\': 4684 tmp.append(String16("\\")); 4685 break; 4686 case 'u': 4687 { 4688 char16_t chr = 0; 4689 int i = 0; 4690 while (i < 4 && p[1] != 0) { 4691 p++; 4692 i++; 4693 int c; 4694 if (*p >= '0' && *p <= '9') { 4695 c = *p - '0'; 4696 } else if (*p >= 'a' && *p <= 'f') { 4697 c = *p - 'a' + 10; 4698 } else if (*p >= 'A' && *p <= 'F') { 4699 c = *p - 'A' + 10; 4700 } else { 4701 if (outErrorMsg) { 4702 *outErrorMsg = "Bad character in \\u unicode escape sequence"; 4703 } 4704 return false; 4705 } 4706 chr = (chr<<4) | c; 4707 } 4708 tmp.append(String16(&chr, 1)); 4709 } break; 4710 default: 4711 // ignore unknown escape chars. 4712 break; 4713 } 4714 p++; 4715 } 4716 } 4717 len -= (p-s); 4718 s = p; 4719 } 4720 } 4721 4722 if (tmp.size() != 0) { 4723 if (len > 0) { 4724 tmp.append(String16(s, len)); 4725 } 4726 if (append) { 4727 outString->append(tmp); 4728 } else { 4729 outString->setTo(tmp); 4730 } 4731 } else { 4732 if (append) { 4733 outString->append(String16(s, len)); 4734 } else { 4735 outString->setTo(s, len); 4736 } 4737 } 4738 4739 return true; 4740 } 4741 4742 size_t ResTable::getBasePackageCount() const 4743 { 4744 if (mError != NO_ERROR) { 4745 return 0; 4746 } 4747 return mPackageGroups.size(); 4748 } 4749 4750 const char16_t* ResTable::getBasePackageName(size_t idx) const 4751 { 4752 if (mError != NO_ERROR) { 4753 return 0; 4754 } 4755 LOG_FATAL_IF(idx >= mPackageGroups.size(), 4756 "Requested package index %d past package count %d", 4757 (int)idx, (int)mPackageGroups.size()); 4758 return mPackageGroups[idx]->name.string(); 4759 } 4760 4761 uint32_t ResTable::getBasePackageId(size_t idx) const 4762 { 4763 if (mError != NO_ERROR) { 4764 return 0; 4765 } 4766 LOG_FATAL_IF(idx >= mPackageGroups.size(), 4767 "Requested package index %d past package count %d", 4768 (int)idx, (int)mPackageGroups.size()); 4769 return mPackageGroups[idx]->id; 4770 } 4771 4772 size_t ResTable::getTableCount() const 4773 { 4774 return mHeaders.size(); 4775 } 4776 4777 const ResStringPool* ResTable::getTableStringBlock(size_t index) const 4778 { 4779 return &mHeaders[index]->values; 4780 } 4781 4782 void* ResTable::getTableCookie(size_t index) const 4783 { 4784 return mHeaders[index]->cookie; 4785 } 4786 4787 void ResTable::getConfigurations(Vector<ResTable_config>* configs) const 4788 { 4789 const size_t I = mPackageGroups.size(); 4790 for (size_t i=0; i<I; i++) { 4791 const PackageGroup* packageGroup = mPackageGroups[i]; 4792 const size_t J = packageGroup->packages.size(); 4793 for (size_t j=0; j<J; j++) { 4794 const Package* package = packageGroup->packages[j]; 4795 const size_t K = package->types.size(); 4796 for (size_t k=0; k<K; k++) { 4797 const Type* type = package->types[k]; 4798 if (type == NULL) continue; 4799 const size_t L = type->configs.size(); 4800 for (size_t l=0; l<L; l++) { 4801 const ResTable_type* config = type->configs[l]; 4802 const ResTable_config* cfg = &config->config; 4803 // only insert unique 4804 const size_t M = configs->size(); 4805 size_t m; 4806 for (m=0; m<M; m++) { 4807 if (0 == (*configs)[m].compare(*cfg)) { 4808 break; 4809 } 4810 } 4811 // if we didn't find it 4812 if (m == M) { 4813 configs->add(*cfg); 4814 } 4815 } 4816 } 4817 } 4818 } 4819 } 4820 4821 void ResTable::getLocales(Vector<String8>* locales) const 4822 { 4823 Vector<ResTable_config> configs; 4824 ALOGV("calling getConfigurations"); 4825 getConfigurations(&configs); 4826 ALOGV("called getConfigurations size=%d", (int)configs.size()); 4827 const size_t I = configs.size(); 4828 for (size_t i=0; i<I; i++) { 4829 char locale[6]; 4830 configs[i].getLocale(locale); 4831 const size_t J = locales->size(); 4832 size_t j; 4833 for (j=0; j<J; j++) { 4834 if (0 == strcmp(locale, (*locales)[j].string())) { 4835 break; 4836 } 4837 } 4838 if (j == J) { 4839 locales->add(String8(locale)); 4840 } 4841 } 4842 } 4843 4844 ssize_t ResTable::getEntry( 4845 const Package* package, int typeIndex, int entryIndex, 4846 const ResTable_config* config, 4847 const ResTable_type** outType, const ResTable_entry** outEntry, 4848 const Type** outTypeClass) const 4849 { 4850 ALOGV("Getting entry from package %p\n", package); 4851 const ResTable_package* const pkg = package->package; 4852 4853 const Type* allTypes = package->getType(typeIndex); 4854 ALOGV("allTypes=%p\n", allTypes); 4855 if (allTypes == NULL) { 4856 ALOGV("Skipping entry type index 0x%02x because type is NULL!\n", typeIndex); 4857 return 0; 4858 } 4859 4860 if ((size_t)entryIndex >= allTypes->entryCount) { 4861 ALOGW("getEntry failing because entryIndex %d is beyond type entryCount %d", 4862 entryIndex, (int)allTypes->entryCount); 4863 return BAD_TYPE; 4864 } 4865 4866 const ResTable_type* type = NULL; 4867 uint32_t offset = ResTable_type::NO_ENTRY; 4868 ResTable_config bestConfig; 4869 memset(&bestConfig, 0, sizeof(bestConfig)); // make the compiler shut up 4870 4871 const size_t NT = allTypes->configs.size(); 4872 for (size_t i=0; i<NT; i++) { 4873 const ResTable_type* const thisType = allTypes->configs[i]; 4874 if (thisType == NULL) continue; 4875 4876 ResTable_config thisConfig; 4877 thisConfig.copyFromDtoH(thisType->config); 4878 4879 TABLE_GETENTRY(ALOGI("Match entry 0x%x in type 0x%x (sz 0x%x): %s\n", 4880 entryIndex, typeIndex+1, dtohl(thisType->config.size), 4881 thisConfig.toString().string())); 4882 4883 // Check to make sure this one is valid for the current parameters. 4884 if (config && !thisConfig.match(*config)) { 4885 TABLE_GETENTRY(ALOGI("Does not match config!\n")); 4886 continue; 4887 } 4888 4889 // Check if there is the desired entry in this type. 4890 4891 const uint8_t* const end = ((const uint8_t*)thisType) 4892 + dtohl(thisType->header.size); 4893 const uint32_t* const eindex = (const uint32_t*) 4894 (((const uint8_t*)thisType) + dtohs(thisType->header.headerSize)); 4895 4896 uint32_t thisOffset = dtohl(eindex[entryIndex]); 4897 if (thisOffset == ResTable_type::NO_ENTRY) { 4898 TABLE_GETENTRY(ALOGI("Skipping because it is not defined!\n")); 4899 continue; 4900 } 4901 4902 if (type != NULL) { 4903 // Check if this one is less specific than the last found. If so, 4904 // we will skip it. We check starting with things we most care 4905 // about to those we least care about. 4906 if (!thisConfig.isBetterThan(bestConfig, config)) { 4907 TABLE_GETENTRY(ALOGI("This config is worse than last!\n")); 4908 continue; 4909 } 4910 } 4911 4912 type = thisType; 4913 offset = thisOffset; 4914 bestConfig = thisConfig; 4915 TABLE_GETENTRY(ALOGI("Best entry so far -- using it!\n")); 4916 if (!config) break; 4917 } 4918 4919 if (type == NULL) { 4920 TABLE_GETENTRY(ALOGI("No value found for requested entry!\n")); 4921 return BAD_INDEX; 4922 } 4923 4924 offset += dtohl(type->entriesStart); 4925 TABLE_NOISY(aout << "Looking in resource table " << package->header->header 4926 << ", typeOff=" 4927 << (void*)(((const char*)type)-((const char*)package->header->header)) 4928 << ", offset=" << (void*)offset << endl); 4929 4930 if (offset > (dtohl(type->header.size)-sizeof(ResTable_entry))) { 4931 ALOGW("ResTable_entry at 0x%x is beyond type chunk data 0x%x", 4932 offset, dtohl(type->header.size)); 4933 return BAD_TYPE; 4934 } 4935 if ((offset&0x3) != 0) { 4936 ALOGW("ResTable_entry at 0x%x is not on an integer boundary", 4937 offset); 4938 return BAD_TYPE; 4939 } 4940 4941 const ResTable_entry* const entry = (const ResTable_entry*) 4942 (((const uint8_t*)type) + offset); 4943 if (dtohs(entry->size) < sizeof(*entry)) { 4944 ALOGW("ResTable_entry size 0x%x is too small", dtohs(entry->size)); 4945 return BAD_TYPE; 4946 } 4947 4948 *outType = type; 4949 *outEntry = entry; 4950 if (outTypeClass != NULL) { 4951 *outTypeClass = allTypes; 4952 } 4953 return offset + dtohs(entry->size); 4954 } 4955 4956 status_t ResTable::parsePackage(const ResTable_package* const pkg, 4957 const Header* const header, uint32_t idmap_id) 4958 { 4959 const uint8_t* base = (const uint8_t*)pkg; 4960 status_t err = validate_chunk(&pkg->header, sizeof(*pkg), 4961 header->dataEnd, "ResTable_package"); 4962 if (err != NO_ERROR) { 4963 return (mError=err); 4964 } 4965 4966 const size_t pkgSize = dtohl(pkg->header.size); 4967 4968 if (dtohl(pkg->typeStrings) >= pkgSize) { 4969 ALOGW("ResTable_package type strings at %p are past chunk size %p.", 4970 (void*)dtohl(pkg->typeStrings), (void*)pkgSize); 4971 return (mError=BAD_TYPE); 4972 } 4973 if ((dtohl(pkg->typeStrings)&0x3) != 0) { 4974 ALOGW("ResTable_package type strings at %p is not on an integer boundary.", 4975 (void*)dtohl(pkg->typeStrings)); 4976 return (mError=BAD_TYPE); 4977 } 4978 if (dtohl(pkg->keyStrings) >= pkgSize) { 4979 ALOGW("ResTable_package key strings at %p are past chunk size %p.", 4980 (void*)dtohl(pkg->keyStrings), (void*)pkgSize); 4981 return (mError=BAD_TYPE); 4982 } 4983 if ((dtohl(pkg->keyStrings)&0x3) != 0) { 4984 ALOGW("ResTable_package key strings at %p is not on an integer boundary.", 4985 (void*)dtohl(pkg->keyStrings)); 4986 return (mError=BAD_TYPE); 4987 } 4988 4989 Package* package = NULL; 4990 PackageGroup* group = NULL; 4991 uint32_t id = idmap_id != 0 ? idmap_id : dtohl(pkg->id); 4992 // If at this point id == 0, pkg is an overlay package without a 4993 // corresponding idmap. During regular usage, overlay packages are 4994 // always loaded alongside their idmaps, but during idmap creation 4995 // the package is temporarily loaded by itself. 4996 if (id < 256) { 4997 4998 package = new Package(this, header, pkg); 4999 if (package == NULL) { 5000 return (mError=NO_MEMORY); 5001 } 5002 5003 size_t idx = mPackageMap[id]; 5004 if (idx == 0) { 5005 idx = mPackageGroups.size()+1; 5006 5007 char16_t tmpName[sizeof(pkg->name)/sizeof(char16_t)]; 5008 strcpy16_dtoh(tmpName, pkg->name, sizeof(pkg->name)/sizeof(char16_t)); 5009 group = new PackageGroup(this, String16(tmpName), id); 5010 if (group == NULL) { 5011 delete package; 5012 return (mError=NO_MEMORY); 5013 } 5014 5015 err = package->typeStrings.setTo(base+dtohl(pkg->typeStrings), 5016 header->dataEnd-(base+dtohl(pkg->typeStrings))); 5017 if (err != NO_ERROR) { 5018 delete group; 5019 delete package; 5020 return (mError=err); 5021 } 5022 err = package->keyStrings.setTo(base+dtohl(pkg->keyStrings), 5023 header->dataEnd-(base+dtohl(pkg->keyStrings))); 5024 if (err != NO_ERROR) { 5025 delete group; 5026 delete package; 5027 return (mError=err); 5028 } 5029 5030 //printf("Adding new package id %d at index %d\n", id, idx); 5031 err = mPackageGroups.add(group); 5032 if (err < NO_ERROR) { 5033 return (mError=err); 5034 } 5035 group->basePackage = package; 5036 5037 mPackageMap[id] = (uint8_t)idx; 5038 } else { 5039 group = mPackageGroups.itemAt(idx-1); 5040 if (group == NULL) { 5041 return (mError=UNKNOWN_ERROR); 5042 } 5043 } 5044 err = group->packages.add(package); 5045 if (err < NO_ERROR) { 5046 return (mError=err); 5047 } 5048 } else { 5049 LOG_ALWAYS_FATAL("Package id out of range"); 5050 return NO_ERROR; 5051 } 5052 5053 5054 // Iterate through all chunks. 5055 size_t curPackage = 0; 5056 5057 const ResChunk_header* chunk = 5058 (const ResChunk_header*)(((const uint8_t*)pkg) 5059 + dtohs(pkg->header.headerSize)); 5060 const uint8_t* endPos = ((const uint8_t*)pkg) + dtohs(pkg->header.size); 5061 while (((const uint8_t*)chunk) <= (endPos-sizeof(ResChunk_header)) && 5062 ((const uint8_t*)chunk) <= (endPos-dtohl(chunk->size))) { 5063 TABLE_NOISY(ALOGV("PackageChunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 5064 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 5065 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 5066 const size_t csize = dtohl(chunk->size); 5067 const uint16_t ctype = dtohs(chunk->type); 5068 if (ctype == RES_TABLE_TYPE_SPEC_TYPE) { 5069 const ResTable_typeSpec* typeSpec = (const ResTable_typeSpec*)(chunk); 5070 err = validate_chunk(&typeSpec->header, sizeof(*typeSpec), 5071 endPos, "ResTable_typeSpec"); 5072 if (err != NO_ERROR) { 5073 return (mError=err); 5074 } 5075 5076 const size_t typeSpecSize = dtohl(typeSpec->header.size); 5077 5078 LOAD_TABLE_NOISY(printf("TypeSpec off %p: type=0x%x, headerSize=0x%x, size=%p\n", 5079 (void*)(base-(const uint8_t*)chunk), 5080 dtohs(typeSpec->header.type), 5081 dtohs(typeSpec->header.headerSize), 5082 (void*)typeSize)); 5083 // look for block overrun or int overflow when multiplying by 4 5084 if ((dtohl(typeSpec->entryCount) > (INT32_MAX/sizeof(uint32_t)) 5085 || dtohs(typeSpec->header.headerSize)+(sizeof(uint32_t)*dtohl(typeSpec->entryCount)) 5086 > typeSpecSize)) { 5087 ALOGW("ResTable_typeSpec entry index to %p extends beyond chunk end %p.", 5088 (void*)(dtohs(typeSpec->header.headerSize) 5089 +(sizeof(uint32_t)*dtohl(typeSpec->entryCount))), 5090 (void*)typeSpecSize); 5091 return (mError=BAD_TYPE); 5092 } 5093 5094 if (typeSpec->id == 0) { 5095 ALOGW("ResTable_type has an id of 0."); 5096 return (mError=BAD_TYPE); 5097 } 5098 5099 while (package->types.size() < typeSpec->id) { 5100 package->types.add(NULL); 5101 } 5102 Type* t = package->types[typeSpec->id-1]; 5103 if (t == NULL) { 5104 t = new Type(header, package, dtohl(typeSpec->entryCount)); 5105 package->types.editItemAt(typeSpec->id-1) = t; 5106 } else if (dtohl(typeSpec->entryCount) != t->entryCount) { 5107 ALOGW("ResTable_typeSpec entry count inconsistent: given %d, previously %d", 5108 (int)dtohl(typeSpec->entryCount), (int)t->entryCount); 5109 return (mError=BAD_TYPE); 5110 } 5111 t->typeSpecFlags = (const uint32_t*)( 5112 ((const uint8_t*)typeSpec) + dtohs(typeSpec->header.headerSize)); 5113 t->typeSpec = typeSpec; 5114 5115 } else if (ctype == RES_TABLE_TYPE_TYPE) { 5116 const ResTable_type* type = (const ResTable_type*)(chunk); 5117 err = validate_chunk(&type->header, sizeof(*type)-sizeof(ResTable_config)+4, 5118 endPos, "ResTable_type"); 5119 if (err != NO_ERROR) { 5120 return (mError=err); 5121 } 5122 5123 const size_t typeSize = dtohl(type->header.size); 5124 5125 LOAD_TABLE_NOISY(printf("Type off %p: type=0x%x, headerSize=0x%x, size=%p\n", 5126 (void*)(base-(const uint8_t*)chunk), 5127 dtohs(type->header.type), 5128 dtohs(type->header.headerSize), 5129 (void*)typeSize)); 5130 if (dtohs(type->header.headerSize)+(sizeof(uint32_t)*dtohl(type->entryCount)) 5131 > typeSize) { 5132 ALOGW("ResTable_type entry index to %p extends beyond chunk end %p.", 5133 (void*)(dtohs(type->header.headerSize) 5134 +(sizeof(uint32_t)*dtohl(type->entryCount))), 5135 (void*)typeSize); 5136 return (mError=BAD_TYPE); 5137 } 5138 if (dtohl(type->entryCount) != 0 5139 && dtohl(type->entriesStart) > (typeSize-sizeof(ResTable_entry))) { 5140 ALOGW("ResTable_type entriesStart at %p extends beyond chunk end %p.", 5141 (void*)dtohl(type->entriesStart), (void*)typeSize); 5142 return (mError=BAD_TYPE); 5143 } 5144 if (type->id == 0) { 5145 ALOGW("ResTable_type has an id of 0."); 5146 return (mError=BAD_TYPE); 5147 } 5148 5149 while (package->types.size() < type->id) { 5150 package->types.add(NULL); 5151 } 5152 Type* t = package->types[type->id-1]; 5153 if (t == NULL) { 5154 t = new Type(header, package, dtohl(type->entryCount)); 5155 package->types.editItemAt(type->id-1) = t; 5156 } else if (dtohl(type->entryCount) != t->entryCount) { 5157 ALOGW("ResTable_type entry count inconsistent: given %d, previously %d", 5158 (int)dtohl(type->entryCount), (int)t->entryCount); 5159 return (mError=BAD_TYPE); 5160 } 5161 5162 TABLE_GETENTRY( 5163 ResTable_config thisConfig; 5164 thisConfig.copyFromDtoH(type->config); 5165 ALOGI("Adding config to type %d: %s\n", 5166 type->id, thisConfig.toString().string())); 5167 t->configs.add(type); 5168 } else { 5169 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), 5170 endPos, "ResTable_package:unknown"); 5171 if (err != NO_ERROR) { 5172 return (mError=err); 5173 } 5174 } 5175 chunk = (const ResChunk_header*) 5176 (((const uint8_t*)chunk) + csize); 5177 } 5178 5179 if (group->typeCount == 0) { 5180 group->typeCount = package->types.size(); 5181 } 5182 5183 return NO_ERROR; 5184 } 5185 5186 status_t ResTable::createIdmap(const ResTable& overlay, uint32_t originalCrc, uint32_t overlayCrc, 5187 void** outData, size_t* outSize) const 5188 { 5189 // see README for details on the format of map 5190 if (mPackageGroups.size() == 0) { 5191 return UNKNOWN_ERROR; 5192 } 5193 if (mPackageGroups[0]->packages.size() == 0) { 5194 return UNKNOWN_ERROR; 5195 } 5196 5197 Vector<Vector<uint32_t> > map; 5198 const PackageGroup* pg = mPackageGroups[0]; 5199 const Package* pkg = pg->packages[0]; 5200 size_t typeCount = pkg->types.size(); 5201 // starting size is header + first item (number of types in map) 5202 *outSize = (IDMAP_HEADER_SIZE + 1) * sizeof(uint32_t); 5203 const String16 overlayPackage(overlay.mPackageGroups[0]->packages[0]->package->name); 5204 const uint32_t pkg_id = pkg->package->id << 24; 5205 5206 for (size_t typeIndex = 0; typeIndex < typeCount; ++typeIndex) { 5207 ssize_t first = -1; 5208 ssize_t last = -1; 5209 const Type* typeConfigs = pkg->getType(typeIndex); 5210 ssize_t mapIndex = map.add(); 5211 if (mapIndex < 0) { 5212 return NO_MEMORY; 5213 } 5214 Vector<uint32_t>& vector = map.editItemAt(mapIndex); 5215 for (size_t entryIndex = 0; entryIndex < typeConfigs->entryCount; ++entryIndex) { 5216 uint32_t resID = pkg_id 5217 | (0x00ff0000 & ((typeIndex+1)<<16)) 5218 | (0x0000ffff & (entryIndex)); 5219 resource_name resName; 5220 if (!this->getResourceName(resID, &resName)) { 5221 ALOGW("idmap: resource 0x%08x has spec but lacks values, skipping\n", resID); 5222 // add dummy value, or trimming leading/trailing zeroes later will fail 5223 vector.push(0); 5224 continue; 5225 } 5226 5227 const String16 overlayType(resName.type, resName.typeLen); 5228 const String16 overlayName(resName.name, resName.nameLen); 5229 uint32_t overlayResID = overlay.identifierForName(overlayName.string(), 5230 overlayName.size(), 5231 overlayType.string(), 5232 overlayType.size(), 5233 overlayPackage.string(), 5234 overlayPackage.size()); 5235 if (overlayResID != 0) { 5236 overlayResID = pkg_id | (0x00ffffff & overlayResID); 5237 last = Res_GETENTRY(resID); 5238 if (first == -1) { 5239 first = Res_GETENTRY(resID); 5240 } 5241 } 5242 vector.push(overlayResID); 5243 #if 0 5244 if (overlayResID != 0) { 5245 ALOGD("%s/%s 0x%08x -> 0x%08x\n", 5246 String8(String16(resName.type)).string(), 5247 String8(String16(resName.name)).string(), 5248 resID, overlayResID); 5249 } 5250 #endif 5251 } 5252 5253 if (first != -1) { 5254 // shave off trailing entries which lack overlay values 5255 const size_t last_past_one = last + 1; 5256 if (last_past_one < vector.size()) { 5257 vector.removeItemsAt(last_past_one, vector.size() - last_past_one); 5258 } 5259 // shave off leading entries which lack overlay values 5260 vector.removeItemsAt(0, first); 5261 // store offset to first overlaid resource ID of this type 5262 vector.insertAt((uint32_t)first, 0, 1); 5263 // reserve space for number and offset of entries, and the actual entries 5264 *outSize += (2 + vector.size()) * sizeof(uint32_t); 5265 } else { 5266 // no entries of current type defined in overlay package 5267 vector.clear(); 5268 // reserve space for type offset 5269 *outSize += 1 * sizeof(uint32_t); 5270 } 5271 } 5272 5273 if ((*outData = malloc(*outSize)) == NULL) { 5274 return NO_MEMORY; 5275 } 5276 uint32_t* data = (uint32_t*)*outData; 5277 *data++ = htodl(IDMAP_MAGIC); 5278 *data++ = htodl(originalCrc); 5279 *data++ = htodl(overlayCrc); 5280 const size_t mapSize = map.size(); 5281 *data++ = htodl(mapSize); 5282 size_t offset = mapSize; 5283 for (size_t i = 0; i < mapSize; ++i) { 5284 const Vector<uint32_t>& vector = map.itemAt(i); 5285 const size_t N = vector.size(); 5286 if (N == 0) { 5287 *data++ = htodl(0); 5288 } else { 5289 offset++; 5290 *data++ = htodl(offset); 5291 offset += N; 5292 } 5293 } 5294 for (size_t i = 0; i < mapSize; ++i) { 5295 const Vector<uint32_t>& vector = map.itemAt(i); 5296 const size_t N = vector.size(); 5297 if (N == 0) { 5298 continue; 5299 } 5300 if (N == 1) { // vector expected to hold (offset) + (N > 0 entries) 5301 ALOGW("idmap: type %d supposedly has entries, but no entries found\n", i); 5302 return UNKNOWN_ERROR; 5303 } 5304 *data++ = htodl(N - 1); // do not count the offset (which is vector's first element) 5305 for (size_t j = 0; j < N; ++j) { 5306 const uint32_t& overlayResID = vector.itemAt(j); 5307 *data++ = htodl(overlayResID); 5308 } 5309 } 5310 5311 return NO_ERROR; 5312 } 5313 5314 bool ResTable::getIdmapInfo(const void* idmap, size_t sizeBytes, 5315 uint32_t* pOriginalCrc, uint32_t* pOverlayCrc) 5316 { 5317 const uint32_t* map = (const uint32_t*)idmap; 5318 if (!assertIdmapHeader(map, sizeBytes)) { 5319 return false; 5320 } 5321 *pOriginalCrc = map[1]; 5322 *pOverlayCrc = map[2]; 5323 return true; 5324 } 5325 5326 5327 #ifndef HAVE_ANDROID_OS 5328 #define CHAR16_TO_CSTR(c16, len) (String8(String16(c16,len)).string()) 5329 5330 #define CHAR16_ARRAY_EQ(constant, var, len) \ 5331 ((len == (sizeof(constant)/sizeof(constant[0]))) && (0 == memcmp((var), (constant), (len)))) 5332 5333 void print_complex(uint32_t complex, bool isFraction) 5334 { 5335 const float MANTISSA_MULT = 5336 1.0f / (1<<Res_value::COMPLEX_MANTISSA_SHIFT); 5337 const float RADIX_MULTS[] = { 5338 1.0f*MANTISSA_MULT, 1.0f/(1<<7)*MANTISSA_MULT, 5339 1.0f/(1<<15)*MANTISSA_MULT, 1.0f/(1<<23)*MANTISSA_MULT 5340 }; 5341 5342 float value = (complex&(Res_value::COMPLEX_MANTISSA_MASK 5343 <<Res_value::COMPLEX_MANTISSA_SHIFT)) 5344 * RADIX_MULTS[(complex>>Res_value::COMPLEX_RADIX_SHIFT) 5345 & Res_value::COMPLEX_RADIX_MASK]; 5346 printf("%f", value); 5347 5348 if (!isFraction) { 5349 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 5350 case Res_value::COMPLEX_UNIT_PX: printf("px"); break; 5351 case Res_value::COMPLEX_UNIT_DIP: printf("dp"); break; 5352 case Res_value::COMPLEX_UNIT_SP: printf("sp"); break; 5353 case Res_value::COMPLEX_UNIT_PT: printf("pt"); break; 5354 case Res_value::COMPLEX_UNIT_IN: printf("in"); break; 5355 case Res_value::COMPLEX_UNIT_MM: printf("mm"); break; 5356 default: printf(" (unknown unit)"); break; 5357 } 5358 } else { 5359 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 5360 case Res_value::COMPLEX_UNIT_FRACTION: printf("%%"); break; 5361 case Res_value::COMPLEX_UNIT_FRACTION_PARENT: printf("%%p"); break; 5362 default: printf(" (unknown unit)"); break; 5363 } 5364 } 5365 } 5366 5367 // Normalize a string for output 5368 String8 ResTable::normalizeForOutput( const char *input ) 5369 { 5370 String8 ret; 5371 char buff[2]; 5372 buff[1] = '\0'; 5373 5374 while (*input != '\0') { 5375 switch (*input) { 5376 // All interesting characters are in the ASCII zone, so we are making our own lives 5377 // easier by scanning the string one byte at a time. 5378 case '\\': 5379 ret += "\\\\"; 5380 break; 5381 case '\n': 5382 ret += "\\n"; 5383 break; 5384 case '"': 5385 ret += "\\\""; 5386 break; 5387 default: 5388 buff[0] = *input; 5389 ret += buff; 5390 break; 5391 } 5392 5393 input++; 5394 } 5395 5396 return ret; 5397 } 5398 5399 void ResTable::print_value(const Package* pkg, const Res_value& value) const 5400 { 5401 if (value.dataType == Res_value::TYPE_NULL) { 5402 printf("(null)\n"); 5403 } else if (value.dataType == Res_value::TYPE_REFERENCE) { 5404 printf("(reference) 0x%08x\n", value.data); 5405 } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) { 5406 printf("(attribute) 0x%08x\n", value.data); 5407 } else if (value.dataType == Res_value::TYPE_STRING) { 5408 size_t len; 5409 const char* str8 = pkg->header->values.string8At( 5410 value.data, &len); 5411 if (str8 != NULL) { 5412 printf("(string8) \"%s\"\n", normalizeForOutput(str8).string()); 5413 } else { 5414 const char16_t* str16 = pkg->header->values.stringAt( 5415 value.data, &len); 5416 if (str16 != NULL) { 5417 printf("(string16) \"%s\"\n", 5418 normalizeForOutput(String8(str16, len).string()).string()); 5419 } else { 5420 printf("(string) null\n"); 5421 } 5422 } 5423 } else if (value.dataType == Res_value::TYPE_FLOAT) { 5424 printf("(float) %g\n", *(const float*)&value.data); 5425 } else if (value.dataType == Res_value::TYPE_DIMENSION) { 5426 printf("(dimension) "); 5427 print_complex(value.data, false); 5428 printf("\n"); 5429 } else if (value.dataType == Res_value::TYPE_FRACTION) { 5430 printf("(fraction) "); 5431 print_complex(value.data, true); 5432 printf("\n"); 5433 } else if (value.dataType >= Res_value::TYPE_FIRST_COLOR_INT 5434 || value.dataType <= Res_value::TYPE_LAST_COLOR_INT) { 5435 printf("(color) #%08x\n", value.data); 5436 } else if (value.dataType == Res_value::TYPE_INT_BOOLEAN) { 5437 printf("(boolean) %s\n", value.data ? "true" : "false"); 5438 } else if (value.dataType >= Res_value::TYPE_FIRST_INT 5439 || value.dataType <= Res_value::TYPE_LAST_INT) { 5440 printf("(int) 0x%08x or %d\n", value.data, value.data); 5441 } else { 5442 printf("(unknown type) t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)\n", 5443 (int)value.dataType, (int)value.data, 5444 (int)value.size, (int)value.res0); 5445 } 5446 } 5447 5448 void ResTable::print(bool inclValues) const 5449 { 5450 if (mError != 0) { 5451 printf("mError=0x%x (%s)\n", mError, strerror(mError)); 5452 } 5453 #if 0 5454 printf("mParams=%c%c-%c%c,\n", 5455 mParams.language[0], mParams.language[1], 5456 mParams.country[0], mParams.country[1]); 5457 #endif 5458 size_t pgCount = mPackageGroups.size(); 5459 printf("Package Groups (%d)\n", (int)pgCount); 5460 for (size_t pgIndex=0; pgIndex<pgCount; pgIndex++) { 5461 const PackageGroup* pg = mPackageGroups[pgIndex]; 5462 printf("Package Group %d id=%d packageCount=%d name=%s\n", 5463 (int)pgIndex, pg->id, (int)pg->packages.size(), 5464 String8(pg->name).string()); 5465 5466 size_t pkgCount = pg->packages.size(); 5467 for (size_t pkgIndex=0; pkgIndex<pkgCount; pkgIndex++) { 5468 const Package* pkg = pg->packages[pkgIndex]; 5469 size_t typeCount = pkg->types.size(); 5470 printf(" Package %d id=%d name=%s typeCount=%d\n", (int)pkgIndex, 5471 pkg->package->id, String8(String16(pkg->package->name)).string(), 5472 (int)typeCount); 5473 for (size_t typeIndex=0; typeIndex<typeCount; typeIndex++) { 5474 const Type* typeConfigs = pkg->getType(typeIndex); 5475 if (typeConfigs == NULL) { 5476 printf(" type %d NULL\n", (int)typeIndex); 5477 continue; 5478 } 5479 const size_t NTC = typeConfigs->configs.size(); 5480 printf(" type %d configCount=%d entryCount=%d\n", 5481 (int)typeIndex, (int)NTC, (int)typeConfigs->entryCount); 5482 if (typeConfigs->typeSpecFlags != NULL) { 5483 for (size_t entryIndex=0; entryIndex<typeConfigs->entryCount; entryIndex++) { 5484 uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) 5485 | (0x00ff0000 & ((typeIndex+1)<<16)) 5486 | (0x0000ffff & (entryIndex)); 5487 resource_name resName; 5488 if (this->getResourceName(resID, &resName)) { 5489 printf(" spec resource 0x%08x %s:%s/%s: flags=0x%08x\n", 5490 resID, 5491 CHAR16_TO_CSTR(resName.package, resName.packageLen), 5492 CHAR16_TO_CSTR(resName.type, resName.typeLen), 5493 CHAR16_TO_CSTR(resName.name, resName.nameLen), 5494 dtohl(typeConfigs->typeSpecFlags[entryIndex])); 5495 } else { 5496 printf(" INVALID TYPE CONFIG FOR RESOURCE 0x%08x\n", resID); 5497 } 5498 } 5499 } 5500 for (size_t configIndex=0; configIndex<NTC; configIndex++) { 5501 const ResTable_type* type = typeConfigs->configs[configIndex]; 5502 if ((((uint64_t)type)&0x3) != 0) { 5503 printf(" NON-INTEGER ResTable_type ADDRESS: %p\n", type); 5504 continue; 5505 } 5506 String8 configStr = type->config.toString(); 5507 printf(" config %s:\n", configStr.size() > 0 5508 ? configStr.string() : "(default)"); 5509 size_t entryCount = dtohl(type->entryCount); 5510 uint32_t entriesStart = dtohl(type->entriesStart); 5511 if ((entriesStart&0x3) != 0) { 5512 printf(" NON-INTEGER ResTable_type entriesStart OFFSET: %p\n", (void*)entriesStart); 5513 continue; 5514 } 5515 uint32_t typeSize = dtohl(type->header.size); 5516 if ((typeSize&0x3) != 0) { 5517 printf(" NON-INTEGER ResTable_type header.size: %p\n", (void*)typeSize); 5518 continue; 5519 } 5520 for (size_t entryIndex=0; entryIndex<entryCount; entryIndex++) { 5521 5522 const uint8_t* const end = ((const uint8_t*)type) 5523 + dtohl(type->header.size); 5524 const uint32_t* const eindex = (const uint32_t*) 5525 (((const uint8_t*)type) + dtohs(type->header.headerSize)); 5526 5527 uint32_t thisOffset = dtohl(eindex[entryIndex]); 5528 if (thisOffset == ResTable_type::NO_ENTRY) { 5529 continue; 5530 } 5531 5532 uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) 5533 | (0x00ff0000 & ((typeIndex+1)<<16)) 5534 | (0x0000ffff & (entryIndex)); 5535 resource_name resName; 5536 if (this->getResourceName(resID, &resName)) { 5537 printf(" resource 0x%08x %s:%s/%s: ", resID, 5538 CHAR16_TO_CSTR(resName.package, resName.packageLen), 5539 CHAR16_TO_CSTR(resName.type, resName.typeLen), 5540 CHAR16_TO_CSTR(resName.name, resName.nameLen)); 5541 } else { 5542 printf(" INVALID RESOURCE 0x%08x: ", resID); 5543 } 5544 if ((thisOffset&0x3) != 0) { 5545 printf("NON-INTEGER OFFSET: %p\n", (void*)thisOffset); 5546 continue; 5547 } 5548 if ((thisOffset+sizeof(ResTable_entry)) > typeSize) { 5549 printf("OFFSET OUT OF BOUNDS: %p+%p (size is %p)\n", 5550 (void*)entriesStart, (void*)thisOffset, 5551 (void*)typeSize); 5552 continue; 5553 } 5554 5555 const ResTable_entry* ent = (const ResTable_entry*) 5556 (((const uint8_t*)type) + entriesStart + thisOffset); 5557 if (((entriesStart + thisOffset)&0x3) != 0) { 5558 printf("NON-INTEGER ResTable_entry OFFSET: %p\n", 5559 (void*)(entriesStart + thisOffset)); 5560 continue; 5561 } 5562 5563 uint16_t esize = dtohs(ent->size); 5564 if ((esize&0x3) != 0) { 5565 printf("NON-INTEGER ResTable_entry SIZE: %p\n", (void*)esize); 5566 continue; 5567 } 5568 if ((thisOffset+esize) > typeSize) { 5569 printf("ResTable_entry OUT OF BOUNDS: %p+%p+%p (size is %p)\n", 5570 (void*)entriesStart, (void*)thisOffset, 5571 (void*)esize, (void*)typeSize); 5572 continue; 5573 } 5574 5575 const Res_value* valuePtr = NULL; 5576 const ResTable_map_entry* bagPtr = NULL; 5577 Res_value value; 5578 if ((dtohs(ent->flags)&ResTable_entry::FLAG_COMPLEX) != 0) { 5579 printf("<bag>"); 5580 bagPtr = (const ResTable_map_entry*)ent; 5581 } else { 5582 valuePtr = (const Res_value*) 5583 (((const uint8_t*)ent) + esize); 5584 value.copyFrom_dtoh(*valuePtr); 5585 printf("t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)", 5586 (int)value.dataType, (int)value.data, 5587 (int)value.size, (int)value.res0); 5588 } 5589 5590 if ((dtohs(ent->flags)&ResTable_entry::FLAG_PUBLIC) != 0) { 5591 printf(" (PUBLIC)"); 5592 } 5593 printf("\n"); 5594 5595 if (inclValues) { 5596 if (valuePtr != NULL) { 5597 printf(" "); 5598 print_value(pkg, value); 5599 } else if (bagPtr != NULL) { 5600 const int N = dtohl(bagPtr->count); 5601 const uint8_t* baseMapPtr = (const uint8_t*)ent; 5602 size_t mapOffset = esize; 5603 const ResTable_map* mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); 5604 printf(" Parent=0x%08x, Count=%d\n", 5605 dtohl(bagPtr->parent.ident), N); 5606 for (int i=0; i<N && mapOffset < (typeSize-sizeof(ResTable_map)); i++) { 5607 printf(" #%i (Key=0x%08x): ", 5608 i, dtohl(mapPtr->name.ident)); 5609 value.copyFrom_dtoh(mapPtr->value); 5610 print_value(pkg, value); 5611 const size_t size = dtohs(mapPtr->value.size); 5612 mapOffset += size + sizeof(*mapPtr)-sizeof(mapPtr->value); 5613 mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); 5614 } 5615 } 5616 } 5617 } 5618 } 5619 } 5620 } 5621 } 5622 } 5623 5624 #endif // HAVE_ANDROID_OS 5625 5626 } // namespace android 5627