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 <utils/Atomic.h> 21 #include <utils/ByteOrder.h> 22 #include <utils/Debug.h> 23 #include <utils/ResourceTypes.h> 24 #include <utils/String16.h> 25 #include <utils/String8.h> 26 #include <utils/TextOutput.h> 27 #include <utils/Log.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 static void printToLogFunc(void* cookie, const char* txt) 67 { 68 LOGV("%s", txt); 69 } 70 71 // Standard C isspace() is only required to look at the low byte of its input, so 72 // produces incorrect results for UTF-16 characters. For safety's sake, assume that 73 // any high-byte UTF-16 code point is not whitespace. 74 inline int isspace16(char16_t c) { 75 return (c < 0x0080 && isspace(c)); 76 } 77 78 // range checked; guaranteed to NUL-terminate within the stated number of available slots 79 // NOTE: if this truncates the dst string due to running out of space, no attempt is 80 // made to avoid splitting surrogate pairs. 81 static void strcpy16_dtoh(uint16_t* dst, const uint16_t* src, size_t avail) 82 { 83 uint16_t* last = dst + avail - 1; 84 while (*src && (dst < last)) { 85 char16_t s = dtohs(*src); 86 *dst++ = s; 87 src++; 88 } 89 *dst = 0; 90 } 91 92 static status_t validate_chunk(const ResChunk_header* chunk, 93 size_t minSize, 94 const uint8_t* dataEnd, 95 const char* name) 96 { 97 const uint16_t headerSize = dtohs(chunk->headerSize); 98 const uint32_t size = dtohl(chunk->size); 99 100 if (headerSize >= minSize) { 101 if (headerSize <= size) { 102 if (((headerSize|size)&0x3) == 0) { 103 if ((ssize_t)size <= (dataEnd-((const uint8_t*)chunk))) { 104 return NO_ERROR; 105 } 106 LOGW("%s data size %p extends beyond resource end %p.", 107 name, (void*)size, 108 (void*)(dataEnd-((const uint8_t*)chunk))); 109 return BAD_TYPE; 110 } 111 LOGW("%s size 0x%x or headerSize 0x%x is not on an integer boundary.", 112 name, (int)size, (int)headerSize); 113 return BAD_TYPE; 114 } 115 LOGW("%s size %p is smaller than header size %p.", 116 name, (void*)size, (void*)(int)headerSize); 117 return BAD_TYPE; 118 } 119 LOGW("%s header size %p is too small.", 120 name, (void*)(int)headerSize); 121 return BAD_TYPE; 122 } 123 124 inline void Res_value::copyFrom_dtoh(const Res_value& src) 125 { 126 size = dtohs(src.size); 127 res0 = src.res0; 128 dataType = src.dataType; 129 data = dtohl(src.data); 130 } 131 132 void Res_png_9patch::deviceToFile() 133 { 134 for (int i = 0; i < numXDivs; i++) { 135 xDivs[i] = htonl(xDivs[i]); 136 } 137 for (int i = 0; i < numYDivs; i++) { 138 yDivs[i] = htonl(yDivs[i]); 139 } 140 paddingLeft = htonl(paddingLeft); 141 paddingRight = htonl(paddingRight); 142 paddingTop = htonl(paddingTop); 143 paddingBottom = htonl(paddingBottom); 144 for (int i=0; i<numColors; i++) { 145 colors[i] = htonl(colors[i]); 146 } 147 } 148 149 void Res_png_9patch::fileToDevice() 150 { 151 for (int i = 0; i < numXDivs; i++) { 152 xDivs[i] = ntohl(xDivs[i]); 153 } 154 for (int i = 0; i < numYDivs; i++) { 155 yDivs[i] = ntohl(yDivs[i]); 156 } 157 paddingLeft = ntohl(paddingLeft); 158 paddingRight = ntohl(paddingRight); 159 paddingTop = ntohl(paddingTop); 160 paddingBottom = ntohl(paddingBottom); 161 for (int i=0; i<numColors; i++) { 162 colors[i] = ntohl(colors[i]); 163 } 164 } 165 166 size_t Res_png_9patch::serializedSize() 167 { 168 // The size of this struct is 32 bytes on the 32-bit target system 169 // 4 * int8_t 170 // 4 * int32_t 171 // 3 * pointer 172 return 32 173 + numXDivs * sizeof(int32_t) 174 + numYDivs * sizeof(int32_t) 175 + numColors * sizeof(uint32_t); 176 } 177 178 void* Res_png_9patch::serialize() 179 { 180 // Use calloc since we're going to leave a few holes in the data 181 // and want this to run cleanly under valgrind 182 void* newData = calloc(1, serializedSize()); 183 serialize(newData); 184 return newData; 185 } 186 187 void Res_png_9patch::serialize(void * outData) 188 { 189 char* data = (char*) outData; 190 memmove(data, &wasDeserialized, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 191 memmove(data + 12, &paddingLeft, 16); // copy paddingXXXX 192 data += 32; 193 194 memmove(data, this->xDivs, numXDivs * sizeof(int32_t)); 195 data += numXDivs * sizeof(int32_t); 196 memmove(data, this->yDivs, numYDivs * sizeof(int32_t)); 197 data += numYDivs * sizeof(int32_t); 198 memmove(data, this->colors, numColors * sizeof(uint32_t)); 199 } 200 201 static void deserializeInternal(const void* inData, Res_png_9patch* outData) { 202 char* patch = (char*) inData; 203 if (inData != outData) { 204 memmove(&outData->wasDeserialized, patch, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 205 memmove(&outData->paddingLeft, patch + 12, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 206 } 207 outData->wasDeserialized = true; 208 char* data = (char*)outData; 209 data += sizeof(Res_png_9patch); 210 outData->xDivs = (int32_t*) data; 211 data += outData->numXDivs * sizeof(int32_t); 212 outData->yDivs = (int32_t*) data; 213 data += outData->numYDivs * sizeof(int32_t); 214 outData->colors = (uint32_t*) data; 215 } 216 217 Res_png_9patch* Res_png_9patch::deserialize(const void* inData) 218 { 219 if (sizeof(void*) != sizeof(int32_t)) { 220 LOGE("Cannot deserialize on non 32-bit system\n"); 221 return NULL; 222 } 223 deserializeInternal(inData, (Res_png_9patch*) inData); 224 return (Res_png_9patch*) inData; 225 } 226 227 // -------------------------------------------------------------------- 228 // -------------------------------------------------------------------- 229 // -------------------------------------------------------------------- 230 231 ResStringPool::ResStringPool() 232 : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) 233 { 234 } 235 236 ResStringPool::ResStringPool(const void* data, size_t size, bool copyData) 237 : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) 238 { 239 setTo(data, size, copyData); 240 } 241 242 ResStringPool::~ResStringPool() 243 { 244 uninit(); 245 } 246 247 status_t ResStringPool::setTo(const void* data, size_t size, bool copyData) 248 { 249 if (!data || !size) { 250 return (mError=BAD_TYPE); 251 } 252 253 uninit(); 254 255 const bool notDeviceEndian = htods(0xf0) != 0xf0; 256 257 if (copyData || notDeviceEndian) { 258 mOwnedData = malloc(size); 259 if (mOwnedData == NULL) { 260 return (mError=NO_MEMORY); 261 } 262 memcpy(mOwnedData, data, size); 263 data = mOwnedData; 264 } 265 266 mHeader = (const ResStringPool_header*)data; 267 268 if (notDeviceEndian) { 269 ResStringPool_header* h = const_cast<ResStringPool_header*>(mHeader); 270 h->header.headerSize = dtohs(mHeader->header.headerSize); 271 h->header.type = dtohs(mHeader->header.type); 272 h->header.size = dtohl(mHeader->header.size); 273 h->stringCount = dtohl(mHeader->stringCount); 274 h->styleCount = dtohl(mHeader->styleCount); 275 h->flags = dtohl(mHeader->flags); 276 h->stringsStart = dtohl(mHeader->stringsStart); 277 h->stylesStart = dtohl(mHeader->stylesStart); 278 } 279 280 if (mHeader->header.headerSize > mHeader->header.size 281 || mHeader->header.size > size) { 282 LOGW("Bad string block: header size %d or total size %d is larger than data size %d\n", 283 (int)mHeader->header.headerSize, (int)mHeader->header.size, (int)size); 284 return (mError=BAD_TYPE); 285 } 286 mSize = mHeader->header.size; 287 mEntries = (const uint32_t*) 288 (((const uint8_t*)data)+mHeader->header.headerSize); 289 290 if (mHeader->stringCount > 0) { 291 if ((mHeader->stringCount*sizeof(uint32_t) < mHeader->stringCount) // uint32 overflow? 292 || (mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))) 293 > size) { 294 LOGW("Bad string block: entry of %d items extends past data size %d\n", 295 (int)(mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))), 296 (int)size); 297 return (mError=BAD_TYPE); 298 } 299 300 size_t charSize; 301 if (mHeader->flags&ResStringPool_header::UTF8_FLAG) { 302 charSize = sizeof(uint8_t); 303 mCache = (char16_t**)malloc(sizeof(char16_t**)*mHeader->stringCount); 304 memset(mCache, 0, sizeof(char16_t**)*mHeader->stringCount); 305 } else { 306 charSize = sizeof(char16_t); 307 } 308 309 mStrings = (const void*) 310 (((const uint8_t*)data)+mHeader->stringsStart); 311 if (mHeader->stringsStart >= (mHeader->header.size-sizeof(uint16_t))) { 312 LOGW("Bad string block: string pool starts at %d, after total size %d\n", 313 (int)mHeader->stringsStart, (int)mHeader->header.size); 314 return (mError=BAD_TYPE); 315 } 316 if (mHeader->styleCount == 0) { 317 mStringPoolSize = 318 (mHeader->header.size-mHeader->stringsStart)/charSize; 319 } else { 320 // check invariant: styles follow the strings 321 if (mHeader->stylesStart <= mHeader->stringsStart) { 322 LOGW("Bad style block: style block starts at %d, before strings at %d\n", 323 (int)mHeader->stylesStart, (int)mHeader->stringsStart); 324 return (mError=BAD_TYPE); 325 } 326 mStringPoolSize = 327 (mHeader->stylesStart-mHeader->stringsStart)/charSize; 328 } 329 330 // check invariant: stringCount > 0 requires a string pool to exist 331 if (mStringPoolSize == 0) { 332 LOGW("Bad string block: stringCount is %d but pool size is 0\n", (int)mHeader->stringCount); 333 return (mError=BAD_TYPE); 334 } 335 336 if (notDeviceEndian) { 337 size_t i; 338 uint32_t* e = const_cast<uint32_t*>(mEntries); 339 for (i=0; i<mHeader->stringCount; i++) { 340 e[i] = dtohl(mEntries[i]); 341 } 342 if (!(mHeader->flags&ResStringPool_header::UTF8_FLAG)) { 343 const char16_t* strings = (const char16_t*)mStrings; 344 char16_t* s = const_cast<char16_t*>(strings); 345 for (i=0; i<mStringPoolSize; i++) { 346 s[i] = dtohs(strings[i]); 347 } 348 } 349 } 350 351 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG && 352 ((uint8_t*)mStrings)[mStringPoolSize-1] != 0) || 353 (!mHeader->flags&ResStringPool_header::UTF8_FLAG && 354 ((char16_t*)mStrings)[mStringPoolSize-1] != 0)) { 355 LOGW("Bad string block: last string is not 0-terminated\n"); 356 return (mError=BAD_TYPE); 357 } 358 } else { 359 mStrings = NULL; 360 mStringPoolSize = 0; 361 } 362 363 if (mHeader->styleCount > 0) { 364 mEntryStyles = mEntries + mHeader->stringCount; 365 // invariant: integer overflow in calculating mEntryStyles 366 if (mEntryStyles < mEntries) { 367 LOGW("Bad string block: integer overflow finding styles\n"); 368 return (mError=BAD_TYPE); 369 } 370 371 if (((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader) > (int)size) { 372 LOGW("Bad string block: entry of %d styles extends past data size %d\n", 373 (int)((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader), 374 (int)size); 375 return (mError=BAD_TYPE); 376 } 377 mStyles = (const uint32_t*) 378 (((const uint8_t*)data)+mHeader->stylesStart); 379 if (mHeader->stylesStart >= mHeader->header.size) { 380 LOGW("Bad string block: style pool starts %d, after total size %d\n", 381 (int)mHeader->stylesStart, (int)mHeader->header.size); 382 return (mError=BAD_TYPE); 383 } 384 mStylePoolSize = 385 (mHeader->header.size-mHeader->stylesStart)/sizeof(uint32_t); 386 387 if (notDeviceEndian) { 388 size_t i; 389 uint32_t* e = const_cast<uint32_t*>(mEntryStyles); 390 for (i=0; i<mHeader->styleCount; i++) { 391 e[i] = dtohl(mEntryStyles[i]); 392 } 393 uint32_t* s = const_cast<uint32_t*>(mStyles); 394 for (i=0; i<mStylePoolSize; i++) { 395 s[i] = dtohl(mStyles[i]); 396 } 397 } 398 399 const ResStringPool_span endSpan = { 400 { htodl(ResStringPool_span::END) }, 401 htodl(ResStringPool_span::END), htodl(ResStringPool_span::END) 402 }; 403 if (memcmp(&mStyles[mStylePoolSize-(sizeof(endSpan)/sizeof(uint32_t))], 404 &endSpan, sizeof(endSpan)) != 0) { 405 LOGW("Bad string block: last style is not 0xFFFFFFFF-terminated\n"); 406 return (mError=BAD_TYPE); 407 } 408 } else { 409 mEntryStyles = NULL; 410 mStyles = NULL; 411 mStylePoolSize = 0; 412 } 413 414 return (mError=NO_ERROR); 415 } 416 417 status_t ResStringPool::getError() const 418 { 419 return mError; 420 } 421 422 void ResStringPool::uninit() 423 { 424 mError = NO_INIT; 425 if (mOwnedData) { 426 free(mOwnedData); 427 mOwnedData = NULL; 428 } 429 if (mHeader != NULL && mCache != NULL) { 430 for (size_t x = 0; x < mHeader->stringCount; x++) { 431 if (mCache[x] != NULL) { 432 free(mCache[x]); 433 mCache[x] = NULL; 434 } 435 } 436 free(mCache); 437 mCache = NULL; 438 } 439 } 440 441 #define DECODE_LENGTH(str, chrsz, len) \ 442 len = *(str); \ 443 if (*(str)&(1<<(chrsz*8-1))) { \ 444 (str)++; \ 445 len = (((len)&((1<<(chrsz*8-1))-1))<<(chrsz*8)) + *(str); \ 446 } \ 447 (str)++; 448 449 const uint16_t* ResStringPool::stringAt(size_t idx, size_t* outLen) const 450 { 451 if (mError == NO_ERROR && idx < mHeader->stringCount) { 452 const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; 453 const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); 454 if (off < (mStringPoolSize-1)) { 455 if (!isUTF8) { 456 const char16_t* strings = (char16_t*)mStrings; 457 const char16_t* str = strings+off; 458 DECODE_LENGTH(str, sizeof(char16_t), *outLen) 459 if ((uint32_t)(str+*outLen-strings) < mStringPoolSize) { 460 return str; 461 } else { 462 LOGW("Bad string block: string #%d extends to %d, past end at %d\n", 463 (int)idx, (int)(str+*outLen-strings), (int)mStringPoolSize); 464 } 465 } else { 466 const uint8_t* strings = (uint8_t*)mStrings; 467 const uint8_t* str = strings+off; 468 DECODE_LENGTH(str, sizeof(uint8_t), *outLen) 469 size_t encLen; 470 DECODE_LENGTH(str, sizeof(uint8_t), encLen) 471 if ((uint32_t)(str+encLen-strings) < mStringPoolSize) { 472 AutoMutex lock(mDecodeLock); 473 if (mCache[idx] != NULL) { 474 return mCache[idx]; 475 } 476 char16_t *u16str = (char16_t *)calloc(*outLen+1, sizeof(char16_t)); 477 if (!u16str) { 478 LOGW("No memory when trying to allocate decode cache for string #%d\n", 479 (int)idx); 480 return NULL; 481 } 482 const unsigned char *u8src = reinterpret_cast<const unsigned char *>(str); 483 utf8_to_utf16(u8src, encLen, u16str, *outLen); 484 mCache[idx] = u16str; 485 return u16str; 486 } else { 487 LOGW("Bad string block: string #%d extends to %d, past end at %d\n", 488 (int)idx, (int)(str+encLen-strings), (int)mStringPoolSize); 489 } 490 } 491 } else { 492 LOGW("Bad string block: string #%d entry is at %d, past end at %d\n", 493 (int)idx, (int)(off*sizeof(uint16_t)), 494 (int)(mStringPoolSize*sizeof(uint16_t))); 495 } 496 } 497 return NULL; 498 } 499 500 const char* ResStringPool::string8At(size_t idx, size_t* outLen) const 501 { 502 if (mError == NO_ERROR && idx < mHeader->stringCount) { 503 const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; 504 const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); 505 if (off < (mStringPoolSize-1)) { 506 if (isUTF8) { 507 const uint8_t* strings = (uint8_t*)mStrings; 508 const uint8_t* str = strings+off; 509 DECODE_LENGTH(str, sizeof(uint8_t), *outLen) 510 size_t encLen; 511 DECODE_LENGTH(str, sizeof(uint8_t), encLen) 512 if ((uint32_t)(str+encLen-strings) < mStringPoolSize) { 513 return (const char*)str; 514 } else { 515 LOGW("Bad string block: string #%d extends to %d, past end at %d\n", 516 (int)idx, (int)(str+encLen-strings), (int)mStringPoolSize); 517 } 518 } 519 } else { 520 LOGW("Bad string block: string #%d entry is at %d, past end at %d\n", 521 (int)idx, (int)(off*sizeof(uint16_t)), 522 (int)(mStringPoolSize*sizeof(uint16_t))); 523 } 524 } 525 return NULL; 526 } 527 528 const ResStringPool_span* ResStringPool::styleAt(const ResStringPool_ref& ref) const 529 { 530 return styleAt(ref.index); 531 } 532 533 const ResStringPool_span* ResStringPool::styleAt(size_t idx) const 534 { 535 if (mError == NO_ERROR && idx < mHeader->styleCount) { 536 const uint32_t off = (mEntryStyles[idx]/sizeof(uint32_t)); 537 if (off < mStylePoolSize) { 538 return (const ResStringPool_span*)(mStyles+off); 539 } else { 540 LOGW("Bad string block: style #%d entry is at %d, past end at %d\n", 541 (int)idx, (int)(off*sizeof(uint32_t)), 542 (int)(mStylePoolSize*sizeof(uint32_t))); 543 } 544 } 545 return NULL; 546 } 547 548 ssize_t ResStringPool::indexOfString(const char16_t* str, size_t strLen) const 549 { 550 if (mError != NO_ERROR) { 551 return mError; 552 } 553 554 size_t len; 555 556 // TODO optimize searching for UTF-8 strings taking into account 557 // the cache fill to determine when to convert the searched-for 558 // string key to UTF-8. 559 560 if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { 561 // Do a binary search for the string... 562 ssize_t l = 0; 563 ssize_t h = mHeader->stringCount-1; 564 565 ssize_t mid; 566 while (l <= h) { 567 mid = l + (h - l)/2; 568 const char16_t* s = stringAt(mid, &len); 569 int c = s ? strzcmp16(s, len, str, strLen) : -1; 570 POOL_NOISY(printf("Looking for %s, at %s, cmp=%d, l/mid/h=%d/%d/%d\n", 571 String8(str).string(), 572 String8(s).string(), 573 c, (int)l, (int)mid, (int)h)); 574 if (c == 0) { 575 return mid; 576 } else if (c < 0) { 577 l = mid + 1; 578 } else { 579 h = mid - 1; 580 } 581 } 582 } else { 583 // It is unusual to get the ID from an unsorted string block... 584 // most often this happens because we want to get IDs for style 585 // span tags; since those always appear at the end of the string 586 // block, start searching at the back. 587 for (int i=mHeader->stringCount-1; i>=0; i--) { 588 const char16_t* s = stringAt(i, &len); 589 POOL_NOISY(printf("Looking for %s, at %s, i=%d\n", 590 String8(str, strLen).string(), 591 String8(s).string(), 592 i)); 593 if (s && strzcmp16(s, len, str, strLen) == 0) { 594 return i; 595 } 596 } 597 } 598 599 return NAME_NOT_FOUND; 600 } 601 602 size_t ResStringPool::size() const 603 { 604 return (mError == NO_ERROR) ? mHeader->stringCount : 0; 605 } 606 607 #ifndef HAVE_ANDROID_OS 608 bool ResStringPool::isUTF8() const 609 { 610 return (mHeader->flags&ResStringPool_header::UTF8_FLAG)!=0; 611 } 612 #endif 613 614 // -------------------------------------------------------------------- 615 // -------------------------------------------------------------------- 616 // -------------------------------------------------------------------- 617 618 ResXMLParser::ResXMLParser(const ResXMLTree& tree) 619 : mTree(tree), mEventCode(BAD_DOCUMENT) 620 { 621 } 622 623 void ResXMLParser::restart() 624 { 625 mCurNode = NULL; 626 mEventCode = mTree.mError == NO_ERROR ? START_DOCUMENT : BAD_DOCUMENT; 627 } 628 const ResStringPool& ResXMLParser::getStrings() const 629 { 630 return mTree.mStrings; 631 } 632 633 ResXMLParser::event_code_t ResXMLParser::getEventType() const 634 { 635 return mEventCode; 636 } 637 638 ResXMLParser::event_code_t ResXMLParser::next() 639 { 640 if (mEventCode == START_DOCUMENT) { 641 mCurNode = mTree.mRootNode; 642 mCurExt = mTree.mRootExt; 643 return (mEventCode=mTree.mRootCode); 644 } else if (mEventCode >= FIRST_CHUNK_CODE) { 645 return nextNode(); 646 } 647 return mEventCode; 648 } 649 650 int32_t ResXMLParser::getCommentID() const 651 { 652 return mCurNode != NULL ? dtohl(mCurNode->comment.index) : -1; 653 } 654 655 const uint16_t* ResXMLParser::getComment(size_t* outLen) const 656 { 657 int32_t id = getCommentID(); 658 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 659 } 660 661 uint32_t ResXMLParser::getLineNumber() const 662 { 663 return mCurNode != NULL ? dtohl(mCurNode->lineNumber) : -1; 664 } 665 666 int32_t ResXMLParser::getTextID() const 667 { 668 if (mEventCode == TEXT) { 669 return dtohl(((const ResXMLTree_cdataExt*)mCurExt)->data.index); 670 } 671 return -1; 672 } 673 674 const uint16_t* ResXMLParser::getText(size_t* outLen) const 675 { 676 int32_t id = getTextID(); 677 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 678 } 679 680 ssize_t ResXMLParser::getTextValue(Res_value* outValue) const 681 { 682 if (mEventCode == TEXT) { 683 outValue->copyFrom_dtoh(((const ResXMLTree_cdataExt*)mCurExt)->typedData); 684 return sizeof(Res_value); 685 } 686 return BAD_TYPE; 687 } 688 689 int32_t ResXMLParser::getNamespacePrefixID() const 690 { 691 if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { 692 return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->prefix.index); 693 } 694 return -1; 695 } 696 697 const uint16_t* ResXMLParser::getNamespacePrefix(size_t* outLen) const 698 { 699 int32_t id = getNamespacePrefixID(); 700 //printf("prefix=%d event=%p\n", id, mEventCode); 701 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 702 } 703 704 int32_t ResXMLParser::getNamespaceUriID() const 705 { 706 if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { 707 return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->uri.index); 708 } 709 return -1; 710 } 711 712 const uint16_t* ResXMLParser::getNamespaceUri(size_t* outLen) const 713 { 714 int32_t id = getNamespaceUriID(); 715 //printf("uri=%d event=%p\n", id, mEventCode); 716 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 717 } 718 719 int32_t ResXMLParser::getElementNamespaceID() const 720 { 721 if (mEventCode == START_TAG) { 722 return dtohl(((const ResXMLTree_attrExt*)mCurExt)->ns.index); 723 } 724 if (mEventCode == END_TAG) { 725 return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->ns.index); 726 } 727 return -1; 728 } 729 730 const uint16_t* ResXMLParser::getElementNamespace(size_t* outLen) const 731 { 732 int32_t id = getElementNamespaceID(); 733 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 734 } 735 736 int32_t ResXMLParser::getElementNameID() const 737 { 738 if (mEventCode == START_TAG) { 739 return dtohl(((const ResXMLTree_attrExt*)mCurExt)->name.index); 740 } 741 if (mEventCode == END_TAG) { 742 return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->name.index); 743 } 744 return -1; 745 } 746 747 const uint16_t* ResXMLParser::getElementName(size_t* outLen) const 748 { 749 int32_t id = getElementNameID(); 750 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 751 } 752 753 size_t ResXMLParser::getAttributeCount() const 754 { 755 if (mEventCode == START_TAG) { 756 return dtohs(((const ResXMLTree_attrExt*)mCurExt)->attributeCount); 757 } 758 return 0; 759 } 760 761 int32_t ResXMLParser::getAttributeNamespaceID(size_t idx) const 762 { 763 if (mEventCode == START_TAG) { 764 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 765 if (idx < dtohs(tag->attributeCount)) { 766 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 767 (((const uint8_t*)tag) 768 + dtohs(tag->attributeStart) 769 + (dtohs(tag->attributeSize)*idx)); 770 return dtohl(attr->ns.index); 771 } 772 } 773 return -2; 774 } 775 776 const uint16_t* ResXMLParser::getAttributeNamespace(size_t idx, size_t* outLen) const 777 { 778 int32_t id = getAttributeNamespaceID(idx); 779 //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); 780 //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id)); 781 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 782 } 783 784 int32_t ResXMLParser::getAttributeNameID(size_t idx) const 785 { 786 if (mEventCode == START_TAG) { 787 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 788 if (idx < dtohs(tag->attributeCount)) { 789 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 790 (((const uint8_t*)tag) 791 + dtohs(tag->attributeStart) 792 + (dtohs(tag->attributeSize)*idx)); 793 return dtohl(attr->name.index); 794 } 795 } 796 return -1; 797 } 798 799 const uint16_t* ResXMLParser::getAttributeName(size_t idx, size_t* outLen) const 800 { 801 int32_t id = getAttributeNameID(idx); 802 //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); 803 //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id)); 804 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 805 } 806 807 uint32_t ResXMLParser::getAttributeNameResID(size_t idx) const 808 { 809 int32_t id = getAttributeNameID(idx); 810 if (id >= 0 && (size_t)id < mTree.mNumResIds) { 811 return dtohl(mTree.mResIds[id]); 812 } 813 return 0; 814 } 815 816 int32_t ResXMLParser::getAttributeValueStringID(size_t idx) const 817 { 818 if (mEventCode == START_TAG) { 819 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 820 if (idx < dtohs(tag->attributeCount)) { 821 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 822 (((const uint8_t*)tag) 823 + dtohs(tag->attributeStart) 824 + (dtohs(tag->attributeSize)*idx)); 825 return dtohl(attr->rawValue.index); 826 } 827 } 828 return -1; 829 } 830 831 const uint16_t* ResXMLParser::getAttributeStringValue(size_t idx, size_t* outLen) const 832 { 833 int32_t id = getAttributeValueStringID(idx); 834 //XML_NOISY(printf("getAttributeValue 0x%x=0x%x\n", idx, id)); 835 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 836 } 837 838 int32_t ResXMLParser::getAttributeDataType(size_t idx) const 839 { 840 if (mEventCode == START_TAG) { 841 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 842 if (idx < dtohs(tag->attributeCount)) { 843 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 844 (((const uint8_t*)tag) 845 + dtohs(tag->attributeStart) 846 + (dtohs(tag->attributeSize)*idx)); 847 return attr->typedValue.dataType; 848 } 849 } 850 return Res_value::TYPE_NULL; 851 } 852 853 int32_t ResXMLParser::getAttributeData(size_t idx) const 854 { 855 if (mEventCode == START_TAG) { 856 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 857 if (idx < dtohs(tag->attributeCount)) { 858 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 859 (((const uint8_t*)tag) 860 + dtohs(tag->attributeStart) 861 + (dtohs(tag->attributeSize)*idx)); 862 return dtohl(attr->typedValue.data); 863 } 864 } 865 return 0; 866 } 867 868 ssize_t ResXMLParser::getAttributeValue(size_t idx, Res_value* outValue) const 869 { 870 if (mEventCode == START_TAG) { 871 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 872 if (idx < dtohs(tag->attributeCount)) { 873 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 874 (((const uint8_t*)tag) 875 + dtohs(tag->attributeStart) 876 + (dtohs(tag->attributeSize)*idx)); 877 outValue->copyFrom_dtoh(attr->typedValue); 878 return sizeof(Res_value); 879 } 880 } 881 return BAD_TYPE; 882 } 883 884 ssize_t ResXMLParser::indexOfAttribute(const char* ns, const char* attr) const 885 { 886 String16 nsStr(ns != NULL ? ns : ""); 887 String16 attrStr(attr); 888 return indexOfAttribute(ns ? nsStr.string() : NULL, ns ? nsStr.size() : 0, 889 attrStr.string(), attrStr.size()); 890 } 891 892 ssize_t ResXMLParser::indexOfAttribute(const char16_t* ns, size_t nsLen, 893 const char16_t* attr, size_t attrLen) const 894 { 895 if (mEventCode == START_TAG) { 896 const size_t N = getAttributeCount(); 897 for (size_t i=0; i<N; i++) { 898 size_t curNsLen, curAttrLen; 899 const char16_t* curNs = getAttributeNamespace(i, &curNsLen); 900 const char16_t* curAttr = getAttributeName(i, &curAttrLen); 901 //printf("%d: ns=%p attr=%p curNs=%p curAttr=%p\n", 902 // i, ns, attr, curNs, curAttr); 903 //printf(" --> attr=%s, curAttr=%s\n", 904 // String8(attr).string(), String8(curAttr).string()); 905 if (attr && curAttr && (strzcmp16(attr, attrLen, curAttr, curAttrLen) == 0)) { 906 if (ns == NULL) { 907 if (curNs == NULL) return i; 908 } else if (curNs != NULL) { 909 //printf(" --> ns=%s, curNs=%s\n", 910 // String8(ns).string(), String8(curNs).string()); 911 if (strzcmp16(ns, nsLen, curNs, curNsLen) == 0) return i; 912 } 913 } 914 } 915 } 916 917 return NAME_NOT_FOUND; 918 } 919 920 ssize_t ResXMLParser::indexOfID() const 921 { 922 if (mEventCode == START_TAG) { 923 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->idIndex); 924 if (idx > 0) return (idx-1); 925 } 926 return NAME_NOT_FOUND; 927 } 928 929 ssize_t ResXMLParser::indexOfClass() const 930 { 931 if (mEventCode == START_TAG) { 932 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->classIndex); 933 if (idx > 0) return (idx-1); 934 } 935 return NAME_NOT_FOUND; 936 } 937 938 ssize_t ResXMLParser::indexOfStyle() const 939 { 940 if (mEventCode == START_TAG) { 941 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->styleIndex); 942 if (idx > 0) return (idx-1); 943 } 944 return NAME_NOT_FOUND; 945 } 946 947 ResXMLParser::event_code_t ResXMLParser::nextNode() 948 { 949 if (mEventCode < 0) { 950 return mEventCode; 951 } 952 953 do { 954 const ResXMLTree_node* next = (const ResXMLTree_node*) 955 (((const uint8_t*)mCurNode) + dtohl(mCurNode->header.size)); 956 //LOGW("Next node: prev=%p, next=%p\n", mCurNode, next); 957 958 if (((const uint8_t*)next) >= mTree.mDataEnd) { 959 mCurNode = NULL; 960 return (mEventCode=END_DOCUMENT); 961 } 962 963 if (mTree.validateNode(next) != NO_ERROR) { 964 mCurNode = NULL; 965 return (mEventCode=BAD_DOCUMENT); 966 } 967 968 mCurNode = next; 969 const uint16_t headerSize = dtohs(next->header.headerSize); 970 const uint32_t totalSize = dtohl(next->header.size); 971 mCurExt = ((const uint8_t*)next) + headerSize; 972 size_t minExtSize = 0; 973 event_code_t eventCode = (event_code_t)dtohs(next->header.type); 974 switch ((mEventCode=eventCode)) { 975 case RES_XML_START_NAMESPACE_TYPE: 976 case RES_XML_END_NAMESPACE_TYPE: 977 minExtSize = sizeof(ResXMLTree_namespaceExt); 978 break; 979 case RES_XML_START_ELEMENT_TYPE: 980 minExtSize = sizeof(ResXMLTree_attrExt); 981 break; 982 case RES_XML_END_ELEMENT_TYPE: 983 minExtSize = sizeof(ResXMLTree_endElementExt); 984 break; 985 case RES_XML_CDATA_TYPE: 986 minExtSize = sizeof(ResXMLTree_cdataExt); 987 break; 988 default: 989 LOGW("Unknown XML block: header type %d in node at %d\n", 990 (int)dtohs(next->header.type), 991 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader))); 992 continue; 993 } 994 995 if ((totalSize-headerSize) < minExtSize) { 996 LOGW("Bad XML block: header type 0x%x in node at 0x%x has size %d, need %d\n", 997 (int)dtohs(next->header.type), 998 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader)), 999 (int)(totalSize-headerSize), (int)minExtSize); 1000 return (mEventCode=BAD_DOCUMENT); 1001 } 1002 1003 //printf("CurNode=%p, CurExt=%p, headerSize=%d, minExtSize=%d\n", 1004 // mCurNode, mCurExt, headerSize, minExtSize); 1005 1006 return eventCode; 1007 } while (true); 1008 } 1009 1010 void ResXMLParser::getPosition(ResXMLParser::ResXMLPosition* pos) const 1011 { 1012 pos->eventCode = mEventCode; 1013 pos->curNode = mCurNode; 1014 pos->curExt = mCurExt; 1015 } 1016 1017 void ResXMLParser::setPosition(const ResXMLParser::ResXMLPosition& pos) 1018 { 1019 mEventCode = pos.eventCode; 1020 mCurNode = pos.curNode; 1021 mCurExt = pos.curExt; 1022 } 1023 1024 1025 // -------------------------------------------------------------------- 1026 1027 static volatile int32_t gCount = 0; 1028 1029 ResXMLTree::ResXMLTree() 1030 : ResXMLParser(*this) 1031 , mError(NO_INIT), mOwnedData(NULL) 1032 { 1033 //LOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); 1034 restart(); 1035 } 1036 1037 ResXMLTree::ResXMLTree(const void* data, size_t size, bool copyData) 1038 : ResXMLParser(*this) 1039 , mError(NO_INIT), mOwnedData(NULL) 1040 { 1041 //LOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); 1042 setTo(data, size, copyData); 1043 } 1044 1045 ResXMLTree::~ResXMLTree() 1046 { 1047 //LOGI("Destroying ResXMLTree in %p #%d\n", this, android_atomic_dec(&gCount)-1); 1048 uninit(); 1049 } 1050 1051 status_t ResXMLTree::setTo(const void* data, size_t size, bool copyData) 1052 { 1053 uninit(); 1054 mEventCode = START_DOCUMENT; 1055 1056 if (copyData) { 1057 mOwnedData = malloc(size); 1058 if (mOwnedData == NULL) { 1059 return (mError=NO_MEMORY); 1060 } 1061 memcpy(mOwnedData, data, size); 1062 data = mOwnedData; 1063 } 1064 1065 mHeader = (const ResXMLTree_header*)data; 1066 mSize = dtohl(mHeader->header.size); 1067 if (dtohs(mHeader->header.headerSize) > mSize || mSize > size) { 1068 LOGW("Bad XML block: header size %d or total size %d is larger than data size %d\n", 1069 (int)dtohs(mHeader->header.headerSize), 1070 (int)dtohl(mHeader->header.size), (int)size); 1071 mError = BAD_TYPE; 1072 restart(); 1073 return mError; 1074 } 1075 mDataEnd = ((const uint8_t*)mHeader) + mSize; 1076 1077 mStrings.uninit(); 1078 mRootNode = NULL; 1079 mResIds = NULL; 1080 mNumResIds = 0; 1081 1082 // First look for a couple interesting chunks: the string block 1083 // and first XML node. 1084 const ResChunk_header* chunk = 1085 (const ResChunk_header*)(((const uint8_t*)mHeader) + dtohs(mHeader->header.headerSize)); 1086 const ResChunk_header* lastChunk = chunk; 1087 while (((const uint8_t*)chunk) < (mDataEnd-sizeof(ResChunk_header)) && 1088 ((const uint8_t*)chunk) < (mDataEnd-dtohl(chunk->size))) { 1089 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), mDataEnd, "XML"); 1090 if (err != NO_ERROR) { 1091 mError = err; 1092 goto done; 1093 } 1094 const uint16_t type = dtohs(chunk->type); 1095 const size_t size = dtohl(chunk->size); 1096 XML_NOISY(printf("Scanning @ %p: type=0x%x, size=0x%x\n", 1097 (void*)(((uint32_t)chunk)-((uint32_t)mHeader)), type, size)); 1098 if (type == RES_STRING_POOL_TYPE) { 1099 mStrings.setTo(chunk, size); 1100 } else if (type == RES_XML_RESOURCE_MAP_TYPE) { 1101 mResIds = (const uint32_t*) 1102 (((const uint8_t*)chunk)+dtohs(chunk->headerSize)); 1103 mNumResIds = (dtohl(chunk->size)-dtohs(chunk->headerSize))/sizeof(uint32_t); 1104 } else if (type >= RES_XML_FIRST_CHUNK_TYPE 1105 && type <= RES_XML_LAST_CHUNK_TYPE) { 1106 if (validateNode((const ResXMLTree_node*)chunk) != NO_ERROR) { 1107 mError = BAD_TYPE; 1108 goto done; 1109 } 1110 mCurNode = (const ResXMLTree_node*)lastChunk; 1111 if (nextNode() == BAD_DOCUMENT) { 1112 mError = BAD_TYPE; 1113 goto done; 1114 } 1115 mRootNode = mCurNode; 1116 mRootExt = mCurExt; 1117 mRootCode = mEventCode; 1118 break; 1119 } else { 1120 XML_NOISY(printf("Skipping unknown chunk!\n")); 1121 } 1122 lastChunk = chunk; 1123 chunk = (const ResChunk_header*) 1124 (((const uint8_t*)chunk) + size); 1125 } 1126 1127 if (mRootNode == NULL) { 1128 LOGW("Bad XML block: no root element node found\n"); 1129 mError = BAD_TYPE; 1130 goto done; 1131 } 1132 1133 mError = mStrings.getError(); 1134 1135 done: 1136 restart(); 1137 return mError; 1138 } 1139 1140 status_t ResXMLTree::getError() const 1141 { 1142 return mError; 1143 } 1144 1145 void ResXMLTree::uninit() 1146 { 1147 mError = NO_INIT; 1148 mStrings.uninit(); 1149 if (mOwnedData) { 1150 free(mOwnedData); 1151 mOwnedData = NULL; 1152 } 1153 restart(); 1154 } 1155 1156 status_t ResXMLTree::validateNode(const ResXMLTree_node* node) const 1157 { 1158 const uint16_t eventCode = dtohs(node->header.type); 1159 1160 status_t err = validate_chunk( 1161 &node->header, sizeof(ResXMLTree_node), 1162 mDataEnd, "ResXMLTree_node"); 1163 1164 if (err >= NO_ERROR) { 1165 // Only perform additional validation on START nodes 1166 if (eventCode != RES_XML_START_ELEMENT_TYPE) { 1167 return NO_ERROR; 1168 } 1169 1170 const uint16_t headerSize = dtohs(node->header.headerSize); 1171 const uint32_t size = dtohl(node->header.size); 1172 const ResXMLTree_attrExt* attrExt = (const ResXMLTree_attrExt*) 1173 (((const uint8_t*)node) + headerSize); 1174 // check for sensical values pulled out of the stream so far... 1175 if ((size >= headerSize + sizeof(ResXMLTree_attrExt)) 1176 && ((void*)attrExt > (void*)node)) { 1177 const size_t attrSize = ((size_t)dtohs(attrExt->attributeSize)) 1178 * dtohs(attrExt->attributeCount); 1179 if ((dtohs(attrExt->attributeStart)+attrSize) <= (size-headerSize)) { 1180 return NO_ERROR; 1181 } 1182 LOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1183 (unsigned int)(dtohs(attrExt->attributeStart)+attrSize), 1184 (unsigned int)(size-headerSize)); 1185 } 1186 else { 1187 LOGW("Bad XML start block: node header size 0x%x, size 0x%x\n", 1188 (unsigned int)headerSize, (unsigned int)size); 1189 } 1190 return BAD_TYPE; 1191 } 1192 1193 return err; 1194 1195 #if 0 1196 const bool isStart = dtohs(node->header.type) == RES_XML_START_ELEMENT_TYPE; 1197 1198 const uint16_t headerSize = dtohs(node->header.headerSize); 1199 const uint32_t size = dtohl(node->header.size); 1200 1201 if (headerSize >= (isStart ? sizeof(ResXMLTree_attrNode) : sizeof(ResXMLTree_node))) { 1202 if (size >= headerSize) { 1203 if (((const uint8_t*)node) <= (mDataEnd-size)) { 1204 if (!isStart) { 1205 return NO_ERROR; 1206 } 1207 if ((((size_t)dtohs(node->attributeSize))*dtohs(node->attributeCount)) 1208 <= (size-headerSize)) { 1209 return NO_ERROR; 1210 } 1211 LOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1212 ((int)dtohs(node->attributeSize))*dtohs(node->attributeCount), 1213 (int)(size-headerSize)); 1214 return BAD_TYPE; 1215 } 1216 LOGW("Bad XML block: node at 0x%x extends beyond data end 0x%x\n", 1217 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), (int)mSize); 1218 return BAD_TYPE; 1219 } 1220 LOGW("Bad XML block: node at 0x%x header size 0x%x smaller than total size 0x%x\n", 1221 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1222 (int)headerSize, (int)size); 1223 return BAD_TYPE; 1224 } 1225 LOGW("Bad XML block: node at 0x%x header size 0x%x too small\n", 1226 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1227 (int)headerSize); 1228 return BAD_TYPE; 1229 #endif 1230 } 1231 1232 // -------------------------------------------------------------------- 1233 // -------------------------------------------------------------------- 1234 // -------------------------------------------------------------------- 1235 1236 struct ResTable::Header 1237 { 1238 Header(ResTable* _owner) : owner(_owner), ownedData(NULL), header(NULL) { } 1239 1240 ResTable* const owner; 1241 void* ownedData; 1242 const ResTable_header* header; 1243 size_t size; 1244 const uint8_t* dataEnd; 1245 size_t index; 1246 void* cookie; 1247 1248 ResStringPool values; 1249 }; 1250 1251 struct ResTable::Type 1252 { 1253 Type(const Header* _header, const Package* _package, size_t count) 1254 : header(_header), package(_package), entryCount(count), 1255 typeSpec(NULL), typeSpecFlags(NULL) { } 1256 const Header* const header; 1257 const Package* const package; 1258 const size_t entryCount; 1259 const ResTable_typeSpec* typeSpec; 1260 const uint32_t* typeSpecFlags; 1261 Vector<const ResTable_type*> configs; 1262 }; 1263 1264 struct ResTable::Package 1265 { 1266 Package(ResTable* _owner, const Header* _header, const ResTable_package* _package) 1267 : owner(_owner), header(_header), package(_package) { } 1268 ~Package() 1269 { 1270 size_t i = types.size(); 1271 while (i > 0) { 1272 i--; 1273 delete types[i]; 1274 } 1275 } 1276 1277 ResTable* const owner; 1278 const Header* const header; 1279 const ResTable_package* const package; 1280 Vector<Type*> types; 1281 1282 ResStringPool typeStrings; 1283 ResStringPool keyStrings; 1284 1285 const Type* getType(size_t idx) const { 1286 return idx < types.size() ? types[idx] : NULL; 1287 } 1288 }; 1289 1290 // A group of objects describing a particular resource package. 1291 // The first in 'package' is always the root object (from the resource 1292 // table that defined the package); the ones after are skins on top of it. 1293 struct ResTable::PackageGroup 1294 { 1295 PackageGroup(ResTable* _owner, const String16& _name, uint32_t _id) 1296 : owner(_owner), name(_name), id(_id), typeCount(0), bags(NULL) { } 1297 ~PackageGroup() { 1298 clearBagCache(); 1299 const size_t N = packages.size(); 1300 for (size_t i=0; i<N; i++) { 1301 Package* pkg = packages[i]; 1302 if (pkg->owner == owner) { 1303 delete pkg; 1304 } 1305 } 1306 } 1307 1308 void clearBagCache() { 1309 if (bags) { 1310 TABLE_NOISY(printf("bags=%p\n", bags)); 1311 Package* pkg = packages[0]; 1312 TABLE_NOISY(printf("typeCount=%x\n", typeCount)); 1313 for (size_t i=0; i<typeCount; i++) { 1314 TABLE_NOISY(printf("type=%d\n", i)); 1315 const Type* type = pkg->getType(i); 1316 if (type != NULL) { 1317 bag_set** typeBags = bags[i]; 1318 TABLE_NOISY(printf("typeBags=%p\n", typeBags)); 1319 if (typeBags) { 1320 TABLE_NOISY(printf("type->entryCount=%x\n", type->entryCount)); 1321 const size_t N = type->entryCount; 1322 for (size_t j=0; j<N; j++) { 1323 if (typeBags[j] && typeBags[j] != (bag_set*)0xFFFFFFFF) 1324 free(typeBags[j]); 1325 } 1326 free(typeBags); 1327 } 1328 } 1329 } 1330 free(bags); 1331 bags = NULL; 1332 } 1333 } 1334 1335 ResTable* const owner; 1336 String16 const name; 1337 uint32_t const id; 1338 Vector<Package*> packages; 1339 1340 // This is for finding typeStrings and other common package stuff. 1341 Package* basePackage; 1342 1343 // For quick access. 1344 size_t typeCount; 1345 1346 // Computed attribute bags, first indexed by the type and second 1347 // by the entry in that type. 1348 bag_set*** bags; 1349 }; 1350 1351 struct ResTable::bag_set 1352 { 1353 size_t numAttrs; // number in array 1354 size_t availAttrs; // total space in array 1355 uint32_t typeSpecFlags; 1356 // Followed by 'numAttr' bag_entry structures. 1357 }; 1358 1359 ResTable::Theme::Theme(const ResTable& table) 1360 : mTable(table) 1361 { 1362 memset(mPackages, 0, sizeof(mPackages)); 1363 } 1364 1365 ResTable::Theme::~Theme() 1366 { 1367 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 1368 package_info* pi = mPackages[i]; 1369 if (pi != NULL) { 1370 free_package(pi); 1371 } 1372 } 1373 } 1374 1375 void ResTable::Theme::free_package(package_info* pi) 1376 { 1377 for (size_t j=0; j<pi->numTypes; j++) { 1378 theme_entry* te = pi->types[j].entries; 1379 if (te != NULL) { 1380 free(te); 1381 } 1382 } 1383 free(pi); 1384 } 1385 1386 ResTable::Theme::package_info* ResTable::Theme::copy_package(package_info* pi) 1387 { 1388 package_info* newpi = (package_info*)malloc( 1389 sizeof(package_info) + (pi->numTypes*sizeof(type_info))); 1390 newpi->numTypes = pi->numTypes; 1391 for (size_t j=0; j<newpi->numTypes; j++) { 1392 size_t cnt = pi->types[j].numEntries; 1393 newpi->types[j].numEntries = cnt; 1394 theme_entry* te = pi->types[j].entries; 1395 if (te != NULL) { 1396 theme_entry* newte = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 1397 newpi->types[j].entries = newte; 1398 memcpy(newte, te, cnt*sizeof(theme_entry)); 1399 } else { 1400 newpi->types[j].entries = NULL; 1401 } 1402 } 1403 return newpi; 1404 } 1405 1406 status_t ResTable::Theme::applyStyle(uint32_t resID, bool force) 1407 { 1408 const bag_entry* bag; 1409 uint32_t bagTypeSpecFlags = 0; 1410 mTable.lock(); 1411 const ssize_t N = mTable.getBagLocked(resID, &bag, &bagTypeSpecFlags); 1412 TABLE_NOISY(LOGV("Applying style 0x%08x to theme %p, count=%d", resID, this, N)); 1413 if (N < 0) { 1414 mTable.unlock(); 1415 return N; 1416 } 1417 1418 uint32_t curPackage = 0xffffffff; 1419 ssize_t curPackageIndex = 0; 1420 package_info* curPI = NULL; 1421 uint32_t curType = 0xffffffff; 1422 size_t numEntries = 0; 1423 theme_entry* curEntries = NULL; 1424 1425 const bag_entry* end = bag + N; 1426 while (bag < end) { 1427 const uint32_t attrRes = bag->map.name.ident; 1428 const uint32_t p = Res_GETPACKAGE(attrRes); 1429 const uint32_t t = Res_GETTYPE(attrRes); 1430 const uint32_t e = Res_GETENTRY(attrRes); 1431 1432 if (curPackage != p) { 1433 const ssize_t pidx = mTable.getResourcePackageIndex(attrRes); 1434 if (pidx < 0) { 1435 LOGE("Style contains key with bad package: 0x%08x\n", attrRes); 1436 bag++; 1437 continue; 1438 } 1439 curPackage = p; 1440 curPackageIndex = pidx; 1441 curPI = mPackages[pidx]; 1442 if (curPI == NULL) { 1443 PackageGroup* const grp = mTable.mPackageGroups[pidx]; 1444 int cnt = grp->typeCount; 1445 curPI = (package_info*)malloc( 1446 sizeof(package_info) + (cnt*sizeof(type_info))); 1447 curPI->numTypes = cnt; 1448 memset(curPI->types, 0, cnt*sizeof(type_info)); 1449 mPackages[pidx] = curPI; 1450 } 1451 curType = 0xffffffff; 1452 } 1453 if (curType != t) { 1454 if (t >= curPI->numTypes) { 1455 LOGE("Style contains key with bad type: 0x%08x\n", attrRes); 1456 bag++; 1457 continue; 1458 } 1459 curType = t; 1460 curEntries = curPI->types[t].entries; 1461 if (curEntries == NULL) { 1462 PackageGroup* const grp = mTable.mPackageGroups[curPackageIndex]; 1463 const Type* type = grp->packages[0]->getType(t); 1464 int cnt = type != NULL ? type->entryCount : 0; 1465 curEntries = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 1466 memset(curEntries, Res_value::TYPE_NULL, cnt*sizeof(theme_entry)); 1467 curPI->types[t].numEntries = cnt; 1468 curPI->types[t].entries = curEntries; 1469 } 1470 numEntries = curPI->types[t].numEntries; 1471 } 1472 if (e >= numEntries) { 1473 LOGE("Style contains key with bad entry: 0x%08x\n", attrRes); 1474 bag++; 1475 continue; 1476 } 1477 theme_entry* curEntry = curEntries + e; 1478 TABLE_NOISY(LOGV("Attr 0x%08x: type=0x%x, data=0x%08x; curType=0x%x", 1479 attrRes, bag->map.value.dataType, bag->map.value.data, 1480 curEntry->value.dataType)); 1481 if (force || curEntry->value.dataType == Res_value::TYPE_NULL) { 1482 curEntry->stringBlock = bag->stringBlock; 1483 curEntry->typeSpecFlags |= bagTypeSpecFlags; 1484 curEntry->value = bag->map.value; 1485 } 1486 1487 bag++; 1488 } 1489 1490 mTable.unlock(); 1491 1492 //LOGI("Applying style 0x%08x (force=%d) theme %p...\n", resID, force, this); 1493 //dumpToLog(); 1494 1495 return NO_ERROR; 1496 } 1497 1498 status_t ResTable::Theme::setTo(const Theme& other) 1499 { 1500 //LOGI("Setting theme %p from theme %p...\n", this, &other); 1501 //dumpToLog(); 1502 //other.dumpToLog(); 1503 1504 if (&mTable == &other.mTable) { 1505 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 1506 if (mPackages[i] != NULL) { 1507 free_package(mPackages[i]); 1508 } 1509 if (other.mPackages[i] != NULL) { 1510 mPackages[i] = copy_package(other.mPackages[i]); 1511 } else { 1512 mPackages[i] = NULL; 1513 } 1514 } 1515 } else { 1516 // @todo: need to really implement this, not just copy 1517 // the system package (which is still wrong because it isn't 1518 // fixing up resource references). 1519 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 1520 if (mPackages[i] != NULL) { 1521 free_package(mPackages[i]); 1522 } 1523 if (i == 0 && other.mPackages[i] != NULL) { 1524 mPackages[i] = copy_package(other.mPackages[i]); 1525 } else { 1526 mPackages[i] = NULL; 1527 } 1528 } 1529 } 1530 1531 //LOGI("Final theme:"); 1532 //dumpToLog(); 1533 1534 return NO_ERROR; 1535 } 1536 1537 ssize_t ResTable::Theme::getAttribute(uint32_t resID, Res_value* outValue, 1538 uint32_t* outTypeSpecFlags) const 1539 { 1540 int cnt = 20; 1541 1542 if (outTypeSpecFlags != NULL) *outTypeSpecFlags = 0; 1543 1544 do { 1545 const ssize_t p = mTable.getResourcePackageIndex(resID); 1546 const uint32_t t = Res_GETTYPE(resID); 1547 const uint32_t e = Res_GETENTRY(resID); 1548 1549 TABLE_THEME(LOGI("Looking up attr 0x%08x in theme %p", resID, this)); 1550 1551 if (p >= 0) { 1552 const package_info* const pi = mPackages[p]; 1553 TABLE_THEME(LOGI("Found package: %p", pi)); 1554 if (pi != NULL) { 1555 TABLE_THEME(LOGI("Desired type index is %ld in avail %d", t, pi->numTypes)); 1556 if (t < pi->numTypes) { 1557 const type_info& ti = pi->types[t]; 1558 TABLE_THEME(LOGI("Desired entry index is %ld in avail %d", e, ti.numEntries)); 1559 if (e < ti.numEntries) { 1560 const theme_entry& te = ti.entries[e]; 1561 if (outTypeSpecFlags != NULL) { 1562 *outTypeSpecFlags |= te.typeSpecFlags; 1563 } 1564 TABLE_THEME(LOGI("Theme value: type=0x%x, data=0x%08x", 1565 te.value.dataType, te.value.data)); 1566 const uint8_t type = te.value.dataType; 1567 if (type == Res_value::TYPE_ATTRIBUTE) { 1568 if (cnt > 0) { 1569 cnt--; 1570 resID = te.value.data; 1571 continue; 1572 } 1573 LOGW("Too many attribute references, stopped at: 0x%08x\n", resID); 1574 return BAD_INDEX; 1575 } else if (type != Res_value::TYPE_NULL) { 1576 *outValue = te.value; 1577 return te.stringBlock; 1578 } 1579 return BAD_INDEX; 1580 } 1581 } 1582 } 1583 } 1584 break; 1585 1586 } while (true); 1587 1588 return BAD_INDEX; 1589 } 1590 1591 ssize_t ResTable::Theme::resolveAttributeReference(Res_value* inOutValue, 1592 ssize_t blockIndex, uint32_t* outLastRef, 1593 uint32_t* inoutTypeSpecFlags, ResTable_config* inoutConfig) const 1594 { 1595 //printf("Resolving type=0x%x\n", inOutValue->dataType); 1596 if (inOutValue->dataType == Res_value::TYPE_ATTRIBUTE) { 1597 uint32_t newTypeSpecFlags; 1598 blockIndex = getAttribute(inOutValue->data, inOutValue, &newTypeSpecFlags); 1599 TABLE_THEME(LOGI("Resolving attr reference: blockIndex=%d, type=0x%x, data=%p\n", 1600 (int)blockIndex, (int)inOutValue->dataType, (void*)inOutValue->data)); 1601 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newTypeSpecFlags; 1602 //printf("Retrieved attribute new type=0x%x\n", inOutValue->dataType); 1603 if (blockIndex < 0) { 1604 return blockIndex; 1605 } 1606 } 1607 return mTable.resolveReference(inOutValue, blockIndex, outLastRef, 1608 inoutTypeSpecFlags, inoutConfig); 1609 } 1610 1611 void ResTable::Theme::dumpToLog() const 1612 { 1613 LOGI("Theme %p:\n", this); 1614 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 1615 package_info* pi = mPackages[i]; 1616 if (pi == NULL) continue; 1617 1618 LOGI(" Package #0x%02x:\n", (int)(i+1)); 1619 for (size_t j=0; j<pi->numTypes; j++) { 1620 type_info& ti = pi->types[j]; 1621 if (ti.numEntries == 0) continue; 1622 1623 LOGI(" Type #0x%02x:\n", (int)(j+1)); 1624 for (size_t k=0; k<ti.numEntries; k++) { 1625 theme_entry& te = ti.entries[k]; 1626 if (te.value.dataType == Res_value::TYPE_NULL) continue; 1627 LOGI(" 0x%08x: t=0x%x, d=0x%08x (block=%d)\n", 1628 (int)Res_MAKEID(i, j, k), 1629 te.value.dataType, (int)te.value.data, (int)te.stringBlock); 1630 } 1631 } 1632 } 1633 } 1634 1635 ResTable::ResTable() 1636 : mError(NO_INIT) 1637 { 1638 memset(&mParams, 0, sizeof(mParams)); 1639 memset(mPackageMap, 0, sizeof(mPackageMap)); 1640 //LOGI("Creating ResTable %p\n", this); 1641 } 1642 1643 ResTable::ResTable(const void* data, size_t size, void* cookie, bool copyData) 1644 : mError(NO_INIT) 1645 { 1646 memset(&mParams, 0, sizeof(mParams)); 1647 memset(mPackageMap, 0, sizeof(mPackageMap)); 1648 add(data, size, cookie, copyData); 1649 LOG_FATAL_IF(mError != NO_ERROR, "Error parsing resource table"); 1650 //LOGI("Creating ResTable %p\n", this); 1651 } 1652 1653 ResTable::~ResTable() 1654 { 1655 //LOGI("Destroying ResTable in %p\n", this); 1656 uninit(); 1657 } 1658 1659 inline ssize_t ResTable::getResourcePackageIndex(uint32_t resID) const 1660 { 1661 return ((ssize_t)mPackageMap[Res_GETPACKAGE(resID)+1])-1; 1662 } 1663 1664 status_t ResTable::add(const void* data, size_t size, void* cookie, bool copyData) 1665 { 1666 return add(data, size, cookie, NULL, copyData); 1667 } 1668 1669 status_t ResTable::add(Asset* asset, void* cookie, bool copyData) 1670 { 1671 const void* data = asset->getBuffer(true); 1672 if (data == NULL) { 1673 LOGW("Unable to get buffer of resource asset file"); 1674 return UNKNOWN_ERROR; 1675 } 1676 size_t size = (size_t)asset->getLength(); 1677 return add(data, size, cookie, asset, copyData); 1678 } 1679 1680 status_t ResTable::add(ResTable* src) 1681 { 1682 mError = src->mError; 1683 1684 for (size_t i=0; i<src->mHeaders.size(); i++) { 1685 mHeaders.add(src->mHeaders[i]); 1686 } 1687 1688 for (size_t i=0; i<src->mPackageGroups.size(); i++) { 1689 PackageGroup* srcPg = src->mPackageGroups[i]; 1690 PackageGroup* pg = new PackageGroup(this, srcPg->name, srcPg->id); 1691 for (size_t j=0; j<srcPg->packages.size(); j++) { 1692 pg->packages.add(srcPg->packages[j]); 1693 } 1694 pg->basePackage = srcPg->basePackage; 1695 pg->typeCount = srcPg->typeCount; 1696 mPackageGroups.add(pg); 1697 } 1698 1699 memcpy(mPackageMap, src->mPackageMap, sizeof(mPackageMap)); 1700 1701 return mError; 1702 } 1703 1704 status_t ResTable::add(const void* data, size_t size, void* cookie, 1705 Asset* asset, bool copyData) 1706 { 1707 if (!data) return NO_ERROR; 1708 Header* header = new Header(this); 1709 header->index = mHeaders.size(); 1710 header->cookie = cookie; 1711 mHeaders.add(header); 1712 1713 const bool notDeviceEndian = htods(0xf0) != 0xf0; 1714 1715 LOAD_TABLE_NOISY( 1716 LOGV("Adding resources to ResTable: data=%p, size=0x%x, cookie=%p, asset=%p, copy=%d\n", 1717 data, size, cookie, asset, copyData)); 1718 1719 if (copyData || notDeviceEndian) { 1720 header->ownedData = malloc(size); 1721 if (header->ownedData == NULL) { 1722 return (mError=NO_MEMORY); 1723 } 1724 memcpy(header->ownedData, data, size); 1725 data = header->ownedData; 1726 } 1727 1728 header->header = (const ResTable_header*)data; 1729 header->size = dtohl(header->header->header.size); 1730 //LOGI("Got size 0x%x, again size 0x%x, raw size 0x%x\n", header->size, 1731 // dtohl(header->header->header.size), header->header->header.size); 1732 LOAD_TABLE_NOISY(LOGV("Loading ResTable @%p:\n", header->header)); 1733 LOAD_TABLE_NOISY(printHexData(2, header->header, header->size < 256 ? header->size : 256, 1734 16, 16, 0, false, printToLogFunc)); 1735 if (dtohs(header->header->header.headerSize) > header->size 1736 || header->size > size) { 1737 LOGW("Bad resource table: header size 0x%x or total size 0x%x is larger than data size 0x%x\n", 1738 (int)dtohs(header->header->header.headerSize), 1739 (int)header->size, (int)size); 1740 return (mError=BAD_TYPE); 1741 } 1742 if (((dtohs(header->header->header.headerSize)|header->size)&0x3) != 0) { 1743 LOGW("Bad resource table: header size 0x%x or total size 0x%x is not on an integer boundary\n", 1744 (int)dtohs(header->header->header.headerSize), 1745 (int)header->size); 1746 return (mError=BAD_TYPE); 1747 } 1748 header->dataEnd = ((const uint8_t*)header->header) + header->size; 1749 1750 // Iterate through all chunks. 1751 size_t curPackage = 0; 1752 1753 const ResChunk_header* chunk = 1754 (const ResChunk_header*)(((const uint8_t*)header->header) 1755 + dtohs(header->header->header.headerSize)); 1756 while (((const uint8_t*)chunk) <= (header->dataEnd-sizeof(ResChunk_header)) && 1757 ((const uint8_t*)chunk) <= (header->dataEnd-dtohl(chunk->size))) { 1758 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), header->dataEnd, "ResTable"); 1759 if (err != NO_ERROR) { 1760 return (mError=err); 1761 } 1762 TABLE_NOISY(LOGV("Chunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 1763 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 1764 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 1765 const size_t csize = dtohl(chunk->size); 1766 const uint16_t ctype = dtohs(chunk->type); 1767 if (ctype == RES_STRING_POOL_TYPE) { 1768 if (header->values.getError() != NO_ERROR) { 1769 // Only use the first string chunk; ignore any others that 1770 // may appear. 1771 status_t err = header->values.setTo(chunk, csize); 1772 if (err != NO_ERROR) { 1773 return (mError=err); 1774 } 1775 } else { 1776 LOGW("Multiple string chunks found in resource table."); 1777 } 1778 } else if (ctype == RES_TABLE_PACKAGE_TYPE) { 1779 if (curPackage >= dtohl(header->header->packageCount)) { 1780 LOGW("More package chunks were found than the %d declared in the header.", 1781 dtohl(header->header->packageCount)); 1782 return (mError=BAD_TYPE); 1783 } 1784 if (parsePackage((ResTable_package*)chunk, header) != NO_ERROR) { 1785 return mError; 1786 } 1787 curPackage++; 1788 } else { 1789 LOGW("Unknown chunk type %p in table at %p.\n", 1790 (void*)(int)(ctype), 1791 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header))); 1792 } 1793 chunk = (const ResChunk_header*) 1794 (((const uint8_t*)chunk) + csize); 1795 } 1796 1797 if (curPackage < dtohl(header->header->packageCount)) { 1798 LOGW("Fewer package chunks (%d) were found than the %d declared in the header.", 1799 (int)curPackage, dtohl(header->header->packageCount)); 1800 return (mError=BAD_TYPE); 1801 } 1802 mError = header->values.getError(); 1803 if (mError != NO_ERROR) { 1804 LOGW("No string values found in resource table!"); 1805 } 1806 TABLE_NOISY(LOGV("Returning from add with mError=%d\n", mError)); 1807 return mError; 1808 } 1809 1810 status_t ResTable::getError() const 1811 { 1812 return mError; 1813 } 1814 1815 void ResTable::uninit() 1816 { 1817 mError = NO_INIT; 1818 size_t N = mPackageGroups.size(); 1819 for (size_t i=0; i<N; i++) { 1820 PackageGroup* g = mPackageGroups[i]; 1821 delete g; 1822 } 1823 N = mHeaders.size(); 1824 for (size_t i=0; i<N; i++) { 1825 Header* header = mHeaders[i]; 1826 if (header->owner == this) { 1827 if (header->ownedData) { 1828 free(header->ownedData); 1829 } 1830 delete header; 1831 } 1832 } 1833 1834 mPackageGroups.clear(); 1835 mHeaders.clear(); 1836 } 1837 1838 bool ResTable::getResourceName(uint32_t resID, resource_name* outName) const 1839 { 1840 if (mError != NO_ERROR) { 1841 return false; 1842 } 1843 1844 const ssize_t p = getResourcePackageIndex(resID); 1845 const int t = Res_GETTYPE(resID); 1846 const int e = Res_GETENTRY(resID); 1847 1848 if (p < 0) { 1849 if (Res_GETPACKAGE(resID)+1 == 0) { 1850 LOGW("No package identifier when getting name for resource number 0x%08x", resID); 1851 } else { 1852 LOGW("No known package when getting name for resource number 0x%08x", resID); 1853 } 1854 return false; 1855 } 1856 if (t < 0) { 1857 LOGW("No type identifier when getting name for resource number 0x%08x", resID); 1858 return false; 1859 } 1860 1861 const PackageGroup* const grp = mPackageGroups[p]; 1862 if (grp == NULL) { 1863 LOGW("Bad identifier when getting name for resource number 0x%08x", resID); 1864 return false; 1865 } 1866 if (grp->packages.size() > 0) { 1867 const Package* const package = grp->packages[0]; 1868 1869 const ResTable_type* type; 1870 const ResTable_entry* entry; 1871 ssize_t offset = getEntry(package, t, e, NULL, &type, &entry, NULL); 1872 if (offset <= 0) { 1873 return false; 1874 } 1875 1876 outName->package = grp->name.string(); 1877 outName->packageLen = grp->name.size(); 1878 outName->type = grp->basePackage->typeStrings.stringAt(t, &outName->typeLen); 1879 outName->name = grp->basePackage->keyStrings.stringAt( 1880 dtohl(entry->key.index), &outName->nameLen); 1881 return true; 1882 } 1883 1884 return false; 1885 } 1886 1887 ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag, 1888 uint32_t* outSpecFlags, ResTable_config* outConfig) const 1889 { 1890 if (mError != NO_ERROR) { 1891 return mError; 1892 } 1893 1894 const ssize_t p = getResourcePackageIndex(resID); 1895 const int t = Res_GETTYPE(resID); 1896 const int e = Res_GETENTRY(resID); 1897 1898 if (p < 0) { 1899 if (Res_GETPACKAGE(resID)+1 == 0) { 1900 LOGW("No package identifier when getting value for resource number 0x%08x", resID); 1901 } else { 1902 LOGW("No known package when getting value for resource number 0x%08x", resID); 1903 } 1904 return BAD_INDEX; 1905 } 1906 if (t < 0) { 1907 LOGW("No type identifier when getting value for resource number 0x%08x", resID); 1908 return BAD_INDEX; 1909 } 1910 1911 const Res_value* bestValue = NULL; 1912 const Package* bestPackage = NULL; 1913 ResTable_config bestItem; 1914 memset(&bestItem, 0, sizeof(bestItem)); // make the compiler shut up 1915 1916 if (outSpecFlags != NULL) *outSpecFlags = 0; 1917 1918 // Look through all resource packages, starting with the most 1919 // recently added. 1920 const PackageGroup* const grp = mPackageGroups[p]; 1921 if (grp == NULL) { 1922 LOGW("Bad identifier when getting value for resource number 0x%08x", resID); 1923 return BAD_INDEX; 1924 } 1925 size_t ip = grp->packages.size(); 1926 while (ip > 0) { 1927 ip--; 1928 1929 const Package* const package = grp->packages[ip]; 1930 1931 const ResTable_type* type; 1932 const ResTable_entry* entry; 1933 const Type* typeClass; 1934 ssize_t offset = getEntry(package, t, e, &mParams, &type, &entry, &typeClass); 1935 if (offset <= 0) { 1936 if (offset < 0) { 1937 LOGW("Failure getting entry for 0x%08x (t=%d e=%d) in package %zd (error %d)\n", 1938 resID, t, e, ip, (int)offset); 1939 return offset; 1940 } 1941 continue; 1942 } 1943 1944 if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) != 0) { 1945 if (!mayBeBag) { 1946 LOGW("Requesting resource %p failed because it is complex\n", 1947 (void*)resID); 1948 } 1949 continue; 1950 } 1951 1952 TABLE_NOISY(aout << "Resource type data: " 1953 << HexDump(type, dtohl(type->header.size)) << endl); 1954 1955 if ((size_t)offset > (dtohl(type->header.size)-sizeof(Res_value))) { 1956 LOGW("ResTable_item at %d is beyond type chunk data %d", 1957 (int)offset, dtohl(type->header.size)); 1958 return BAD_TYPE; 1959 } 1960 1961 const Res_value* item = 1962 (const Res_value*)(((const uint8_t*)type) + offset); 1963 ResTable_config thisConfig; 1964 thisConfig.copyFromDtoH(type->config); 1965 1966 if (outSpecFlags != NULL) { 1967 if (typeClass->typeSpecFlags != NULL) { 1968 *outSpecFlags |= dtohl(typeClass->typeSpecFlags[e]); 1969 } else { 1970 *outSpecFlags = -1; 1971 } 1972 } 1973 1974 if (bestPackage != NULL && bestItem.isMoreSpecificThan(thisConfig)) { 1975 continue; 1976 } 1977 1978 bestItem = thisConfig; 1979 bestValue = item; 1980 bestPackage = package; 1981 } 1982 1983 TABLE_NOISY(printf("Found result: package %p\n", bestPackage)); 1984 1985 if (bestValue) { 1986 outValue->size = dtohs(bestValue->size); 1987 outValue->res0 = bestValue->res0; 1988 outValue->dataType = bestValue->dataType; 1989 outValue->data = dtohl(bestValue->data); 1990 if (outConfig != NULL) { 1991 *outConfig = bestItem; 1992 } 1993 TABLE_NOISY(size_t len; 1994 printf("Found value: pkg=%d, type=%d, str=%s, int=%d\n", 1995 bestPackage->header->index, 1996 outValue->dataType, 1997 outValue->dataType == bestValue->TYPE_STRING 1998 ? String8(bestPackage->header->values.stringAt( 1999 outValue->data, &len)).string() 2000 : "", 2001 outValue->data)); 2002 return bestPackage->header->index; 2003 } 2004 2005 return BAD_VALUE; 2006 } 2007 2008 ssize_t ResTable::resolveReference(Res_value* value, ssize_t blockIndex, 2009 uint32_t* outLastRef, uint32_t* inoutTypeSpecFlags, 2010 ResTable_config* outConfig) const 2011 { 2012 int count=0; 2013 while (blockIndex >= 0 && value->dataType == value->TYPE_REFERENCE 2014 && value->data != 0 && count < 20) { 2015 if (outLastRef) *outLastRef = value->data; 2016 uint32_t lastRef = value->data; 2017 uint32_t newFlags = 0; 2018 const ssize_t newIndex = getResource(value->data, value, true, &newFlags, 2019 outConfig); 2020 if (newIndex == BAD_INDEX) { 2021 return BAD_INDEX; 2022 } 2023 TABLE_THEME(LOGI("Resolving reference %p: newIndex=%d, type=0x%x, data=%p\n", 2024 (void*)lastRef, (int)newIndex, (int)value->dataType, (void*)value->data)); 2025 //printf("Getting reference 0x%08x: newIndex=%d\n", value->data, newIndex); 2026 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newFlags; 2027 if (newIndex < 0) { 2028 // This can fail if the resource being referenced is a style... 2029 // in this case, just return the reference, and expect the 2030 // caller to deal with. 2031 return blockIndex; 2032 } 2033 blockIndex = newIndex; 2034 count++; 2035 } 2036 return blockIndex; 2037 } 2038 2039 const char16_t* ResTable::valueToString( 2040 const Res_value* value, size_t stringBlock, 2041 char16_t tmpBuffer[TMP_BUFFER_SIZE], size_t* outLen) 2042 { 2043 if (!value) { 2044 return NULL; 2045 } 2046 if (value->dataType == value->TYPE_STRING) { 2047 return getTableStringBlock(stringBlock)->stringAt(value->data, outLen); 2048 } 2049 // XXX do int to string conversions. 2050 return NULL; 2051 } 2052 2053 ssize_t ResTable::lockBag(uint32_t resID, const bag_entry** outBag) const 2054 { 2055 mLock.lock(); 2056 ssize_t err = getBagLocked(resID, outBag); 2057 if (err < NO_ERROR) { 2058 //printf("*** get failed! unlocking\n"); 2059 mLock.unlock(); 2060 } 2061 return err; 2062 } 2063 2064 void ResTable::unlockBag(const bag_entry* bag) const 2065 { 2066 //printf("<<< unlockBag %p\n", this); 2067 mLock.unlock(); 2068 } 2069 2070 void ResTable::lock() const 2071 { 2072 mLock.lock(); 2073 } 2074 2075 void ResTable::unlock() const 2076 { 2077 mLock.unlock(); 2078 } 2079 2080 ssize_t ResTable::getBagLocked(uint32_t resID, const bag_entry** outBag, 2081 uint32_t* outTypeSpecFlags) const 2082 { 2083 if (mError != NO_ERROR) { 2084 return mError; 2085 } 2086 2087 const ssize_t p = getResourcePackageIndex(resID); 2088 const int t = Res_GETTYPE(resID); 2089 const int e = Res_GETENTRY(resID); 2090 2091 if (p < 0) { 2092 LOGW("Invalid package identifier when getting bag for resource number 0x%08x", resID); 2093 return BAD_INDEX; 2094 } 2095 if (t < 0) { 2096 LOGW("No type identifier when getting bag for resource number 0x%08x", resID); 2097 return BAD_INDEX; 2098 } 2099 2100 //printf("Get bag: id=0x%08x, p=%d, t=%d\n", resID, p, t); 2101 PackageGroup* const grp = mPackageGroups[p]; 2102 if (grp == NULL) { 2103 LOGW("Bad identifier when getting bag for resource number 0x%08x", resID); 2104 return false; 2105 } 2106 2107 if (t >= (int)grp->typeCount) { 2108 LOGW("Type identifier 0x%x is larger than type count 0x%x", 2109 t+1, (int)grp->typeCount); 2110 return BAD_INDEX; 2111 } 2112 2113 const Package* const basePackage = grp->packages[0]; 2114 2115 const Type* const typeConfigs = basePackage->getType(t); 2116 2117 const size_t NENTRY = typeConfigs->entryCount; 2118 if (e >= (int)NENTRY) { 2119 LOGW("Entry identifier 0x%x is larger than entry count 0x%x", 2120 e, (int)typeConfigs->entryCount); 2121 return BAD_INDEX; 2122 } 2123 2124 // First see if we've already computed this bag... 2125 if (grp->bags) { 2126 bag_set** typeSet = grp->bags[t]; 2127 if (typeSet) { 2128 bag_set* set = typeSet[e]; 2129 if (set) { 2130 if (set != (bag_set*)0xFFFFFFFF) { 2131 if (outTypeSpecFlags != NULL) { 2132 *outTypeSpecFlags = set->typeSpecFlags; 2133 } 2134 *outBag = (bag_entry*)(set+1); 2135 //LOGI("Found existing bag for: %p\n", (void*)resID); 2136 return set->numAttrs; 2137 } 2138 LOGW("Attempt to retrieve bag 0x%08x which is invalid or in a cycle.", 2139 resID); 2140 return BAD_INDEX; 2141 } 2142 } 2143 } 2144 2145 // Bag not found, we need to compute it! 2146 if (!grp->bags) { 2147 grp->bags = (bag_set***)malloc(sizeof(bag_set*)*grp->typeCount); 2148 if (!grp->bags) return NO_MEMORY; 2149 memset(grp->bags, 0, sizeof(bag_set*)*grp->typeCount); 2150 } 2151 2152 bag_set** typeSet = grp->bags[t]; 2153 if (!typeSet) { 2154 typeSet = (bag_set**)malloc(sizeof(bag_set*)*NENTRY); 2155 if (!typeSet) return NO_MEMORY; 2156 memset(typeSet, 0, sizeof(bag_set*)*NENTRY); 2157 grp->bags[t] = typeSet; 2158 } 2159 2160 // Mark that we are currently working on this one. 2161 typeSet[e] = (bag_set*)0xFFFFFFFF; 2162 2163 // This is what we are building. 2164 bag_set* set = NULL; 2165 2166 TABLE_NOISY(LOGI("Building bag: %p\n", (void*)resID)); 2167 2168 // Now collect all bag attributes from all packages. 2169 size_t ip = grp->packages.size(); 2170 while (ip > 0) { 2171 ip--; 2172 2173 const Package* const package = grp->packages[ip]; 2174 2175 const ResTable_type* type; 2176 const ResTable_entry* entry; 2177 const Type* typeClass; 2178 LOGV("Getting entry pkg=%p, t=%d, e=%d\n", package, t, e); 2179 ssize_t offset = getEntry(package, t, e, &mParams, &type, &entry, &typeClass); 2180 LOGV("Resulting offset=%d\n", offset); 2181 if (offset <= 0) { 2182 if (offset < 0) { 2183 if (set) free(set); 2184 return offset; 2185 } 2186 continue; 2187 } 2188 2189 if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) == 0) { 2190 LOGW("Skipping entry %p in package table %d because it is not complex!\n", 2191 (void*)resID, (int)ip); 2192 continue; 2193 } 2194 2195 const uint16_t entrySize = dtohs(entry->size); 2196 const uint32_t parent = entrySize >= sizeof(ResTable_map_entry) 2197 ? dtohl(((const ResTable_map_entry*)entry)->parent.ident) : 0; 2198 const uint32_t count = entrySize >= sizeof(ResTable_map_entry) 2199 ? dtohl(((const ResTable_map_entry*)entry)->count) : 0; 2200 2201 size_t N = count; 2202 2203 TABLE_NOISY(LOGI("Found map: size=%p parent=%p count=%d\n", 2204 entrySize, parent, count)); 2205 2206 if (set == NULL) { 2207 // If this map inherits from another, we need to start 2208 // with its parent's values. Otherwise start out empty. 2209 TABLE_NOISY(printf("Creating new bag, entrySize=0x%08x, parent=0x%08x\n", 2210 entrySize, parent)); 2211 if (parent) { 2212 const bag_entry* parentBag; 2213 uint32_t parentTypeSpecFlags = 0; 2214 const ssize_t NP = getBagLocked(parent, &parentBag, &parentTypeSpecFlags); 2215 const size_t NT = ((NP >= 0) ? NP : 0) + N; 2216 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*NT); 2217 if (set == NULL) { 2218 return NO_MEMORY; 2219 } 2220 if (NP > 0) { 2221 memcpy(set+1, parentBag, NP*sizeof(bag_entry)); 2222 set->numAttrs = NP; 2223 TABLE_NOISY(LOGI("Initialized new bag with %d inherited attributes.\n", NP)); 2224 } else { 2225 TABLE_NOISY(LOGI("Initialized new bag with no inherited attributes.\n")); 2226 set->numAttrs = 0; 2227 } 2228 set->availAttrs = NT; 2229 set->typeSpecFlags = parentTypeSpecFlags; 2230 } else { 2231 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*N); 2232 if (set == NULL) { 2233 return NO_MEMORY; 2234 } 2235 set->numAttrs = 0; 2236 set->availAttrs = N; 2237 set->typeSpecFlags = 0; 2238 } 2239 } 2240 2241 if (typeClass->typeSpecFlags != NULL) { 2242 set->typeSpecFlags |= dtohl(typeClass->typeSpecFlags[e]); 2243 } else { 2244 set->typeSpecFlags = -1; 2245 } 2246 2247 // Now merge in the new attributes... 2248 ssize_t curOff = offset; 2249 const ResTable_map* map; 2250 bag_entry* entries = (bag_entry*)(set+1); 2251 size_t curEntry = 0; 2252 uint32_t pos = 0; 2253 TABLE_NOISY(LOGI("Starting with set %p, entries=%p, avail=%d\n", 2254 set, entries, set->availAttrs)); 2255 while (pos < count) { 2256 TABLE_NOISY(printf("Now at %p\n", (void*)curOff)); 2257 2258 if ((size_t)curOff > (dtohl(type->header.size)-sizeof(ResTable_map))) { 2259 LOGW("ResTable_map at %d is beyond type chunk data %d", 2260 (int)curOff, dtohl(type->header.size)); 2261 return BAD_TYPE; 2262 } 2263 map = (const ResTable_map*)(((const uint8_t*)type) + curOff); 2264 N++; 2265 2266 const uint32_t newName = htodl(map->name.ident); 2267 bool isInside; 2268 uint32_t oldName = 0; 2269 while ((isInside=(curEntry < set->numAttrs)) 2270 && (oldName=entries[curEntry].map.name.ident) < newName) { 2271 TABLE_NOISY(printf("#%d: Keeping existing attribute: 0x%08x\n", 2272 curEntry, entries[curEntry].map.name.ident)); 2273 curEntry++; 2274 } 2275 2276 if ((!isInside) || oldName != newName) { 2277 // This is a new attribute... figure out what to do with it. 2278 if (set->numAttrs >= set->availAttrs) { 2279 // Need to alloc more memory... 2280 const size_t newAvail = set->availAttrs+N; 2281 set = (bag_set*)realloc(set, 2282 sizeof(bag_set) 2283 + sizeof(bag_entry)*newAvail); 2284 if (set == NULL) { 2285 return NO_MEMORY; 2286 } 2287 set->availAttrs = newAvail; 2288 entries = (bag_entry*)(set+1); 2289 TABLE_NOISY(printf("Reallocated set %p, entries=%p, avail=%d\n", 2290 set, entries, set->availAttrs)); 2291 } 2292 if (isInside) { 2293 // Going in the middle, need to make space. 2294 memmove(entries+curEntry+1, entries+curEntry, 2295 sizeof(bag_entry)*(set->numAttrs-curEntry)); 2296 set->numAttrs++; 2297 } 2298 TABLE_NOISY(printf("#%d: Inserting new attribute: 0x%08x\n", 2299 curEntry, newName)); 2300 } else { 2301 TABLE_NOISY(printf("#%d: Replacing existing attribute: 0x%08x\n", 2302 curEntry, oldName)); 2303 } 2304 2305 bag_entry* cur = entries+curEntry; 2306 2307 cur->stringBlock = package->header->index; 2308 cur->map.name.ident = newName; 2309 cur->map.value.copyFrom_dtoh(map->value); 2310 TABLE_NOISY(printf("Setting entry #%d %p: block=%d, name=0x%08x, type=%d, data=0x%08x\n", 2311 curEntry, cur, cur->stringBlock, cur->map.name.ident, 2312 cur->map.value.dataType, cur->map.value.data)); 2313 2314 // On to the next! 2315 curEntry++; 2316 pos++; 2317 const size_t size = dtohs(map->value.size); 2318 curOff += size + sizeof(*map)-sizeof(map->value); 2319 }; 2320 if (curEntry > set->numAttrs) { 2321 set->numAttrs = curEntry; 2322 } 2323 } 2324 2325 // And this is it... 2326 typeSet[e] = set; 2327 if (set) { 2328 if (outTypeSpecFlags != NULL) { 2329 *outTypeSpecFlags = set->typeSpecFlags; 2330 } 2331 *outBag = (bag_entry*)(set+1); 2332 TABLE_NOISY(LOGI("Returning %d attrs\n", set->numAttrs)); 2333 return set->numAttrs; 2334 } 2335 return BAD_INDEX; 2336 } 2337 2338 void ResTable::setParameters(const ResTable_config* params) 2339 { 2340 mLock.lock(); 2341 TABLE_GETENTRY(LOGI("Setting parameters: imsi:%d/%d lang:%c%c cnt:%c%c " 2342 "orien:%d touch:%d density:%d key:%d inp:%d nav:%d w:%d h:%d\n", 2343 params->mcc, params->mnc, 2344 params->language[0] ? params->language[0] : '-', 2345 params->language[1] ? params->language[1] : '-', 2346 params->country[0] ? params->country[0] : '-', 2347 params->country[1] ? params->country[1] : '-', 2348 params->orientation, 2349 params->touchscreen, 2350 params->density, 2351 params->keyboard, 2352 params->inputFlags, 2353 params->navigation, 2354 params->screenWidth, 2355 params->screenHeight)); 2356 mParams = *params; 2357 for (size_t i=0; i<mPackageGroups.size(); i++) { 2358 TABLE_NOISY(LOGI("CLEARING BAGS FOR GROUP %d!", i)); 2359 mPackageGroups[i]->clearBagCache(); 2360 } 2361 mLock.unlock(); 2362 } 2363 2364 void ResTable::getParameters(ResTable_config* params) const 2365 { 2366 mLock.lock(); 2367 *params = mParams; 2368 mLock.unlock(); 2369 } 2370 2371 struct id_name_map { 2372 uint32_t id; 2373 size_t len; 2374 char16_t name[6]; 2375 }; 2376 2377 const static id_name_map ID_NAMES[] = { 2378 { ResTable_map::ATTR_TYPE, 5, { '^', 't', 'y', 'p', 'e' } }, 2379 { ResTable_map::ATTR_L10N, 5, { '^', 'l', '1', '0', 'n' } }, 2380 { ResTable_map::ATTR_MIN, 4, { '^', 'm', 'i', 'n' } }, 2381 { ResTable_map::ATTR_MAX, 4, { '^', 'm', 'a', 'x' } }, 2382 { ResTable_map::ATTR_OTHER, 6, { '^', 'o', 't', 'h', 'e', 'r' } }, 2383 { ResTable_map::ATTR_ZERO, 5, { '^', 'z', 'e', 'r', 'o' } }, 2384 { ResTable_map::ATTR_ONE, 4, { '^', 'o', 'n', 'e' } }, 2385 { ResTable_map::ATTR_TWO, 4, { '^', 't', 'w', 'o' } }, 2386 { ResTable_map::ATTR_FEW, 4, { '^', 'f', 'e', 'w' } }, 2387 { ResTable_map::ATTR_MANY, 5, { '^', 'm', 'a', 'n', 'y' } }, 2388 }; 2389 2390 uint32_t ResTable::identifierForName(const char16_t* name, size_t nameLen, 2391 const char16_t* type, size_t typeLen, 2392 const char16_t* package, 2393 size_t packageLen, 2394 uint32_t* outTypeSpecFlags) const 2395 { 2396 TABLE_SUPER_NOISY(printf("Identifier for name: error=%d\n", mError)); 2397 2398 // Check for internal resource identifier as the very first thing, so 2399 // that we will always find them even when there are no resources. 2400 if (name[0] == '^') { 2401 const int N = (sizeof(ID_NAMES)/sizeof(ID_NAMES[0])); 2402 size_t len; 2403 for (int i=0; i<N; i++) { 2404 const id_name_map* m = ID_NAMES + i; 2405 len = m->len; 2406 if (len != nameLen) { 2407 continue; 2408 } 2409 for (size_t j=1; j<len; j++) { 2410 if (m->name[j] != name[j]) { 2411 goto nope; 2412 } 2413 } 2414 return m->id; 2415 nope: 2416 ; 2417 } 2418 if (nameLen > 7) { 2419 if (name[1] == 'i' && name[2] == 'n' 2420 && name[3] == 'd' && name[4] == 'e' && name[5] == 'x' 2421 && name[6] == '_') { 2422 int index = atoi(String8(name + 7, nameLen - 7).string()); 2423 if (Res_CHECKID(index)) { 2424 LOGW("Array resource index: %d is too large.", 2425 index); 2426 return 0; 2427 } 2428 return Res_MAKEARRAY(index); 2429 } 2430 } 2431 return 0; 2432 } 2433 2434 if (mError != NO_ERROR) { 2435 return 0; 2436 } 2437 2438 // Figure out the package and type we are looking in... 2439 2440 const char16_t* packageEnd = NULL; 2441 const char16_t* typeEnd = NULL; 2442 const char16_t* const nameEnd = name+nameLen; 2443 const char16_t* p = name; 2444 while (p < nameEnd) { 2445 if (*p == ':') packageEnd = p; 2446 else if (*p == '/') typeEnd = p; 2447 p++; 2448 } 2449 if (*name == '@') name++; 2450 if (name >= nameEnd) { 2451 return 0; 2452 } 2453 2454 if (packageEnd) { 2455 package = name; 2456 packageLen = packageEnd-name; 2457 name = packageEnd+1; 2458 } else if (!package) { 2459 return 0; 2460 } 2461 2462 if (typeEnd) { 2463 type = name; 2464 typeLen = typeEnd-name; 2465 name = typeEnd+1; 2466 } else if (!type) { 2467 return 0; 2468 } 2469 2470 if (name >= nameEnd) { 2471 return 0; 2472 } 2473 nameLen = nameEnd-name; 2474 2475 TABLE_NOISY(printf("Looking for identifier: type=%s, name=%s, package=%s\n", 2476 String8(type, typeLen).string(), 2477 String8(name, nameLen).string(), 2478 String8(package, packageLen).string())); 2479 2480 const size_t NG = mPackageGroups.size(); 2481 for (size_t ig=0; ig<NG; ig++) { 2482 const PackageGroup* group = mPackageGroups[ig]; 2483 2484 if (strzcmp16(package, packageLen, 2485 group->name.string(), group->name.size())) { 2486 TABLE_NOISY(printf("Skipping package group: %s\n", String8(group->name).string())); 2487 continue; 2488 } 2489 2490 const ssize_t ti = group->basePackage->typeStrings.indexOfString(type, typeLen); 2491 if (ti < 0) { 2492 TABLE_NOISY(printf("Type not found in package %s\n", String8(group->name).string())); 2493 continue; 2494 } 2495 2496 const ssize_t ei = group->basePackage->keyStrings.indexOfString(name, nameLen); 2497 if (ei < 0) { 2498 TABLE_NOISY(printf("Name not found in package %s\n", String8(group->name).string())); 2499 continue; 2500 } 2501 2502 TABLE_NOISY(printf("Search indices: type=%d, name=%d\n", ti, ei)); 2503 2504 const Type* const typeConfigs = group->packages[0]->getType(ti); 2505 if (typeConfigs == NULL || typeConfigs->configs.size() <= 0) { 2506 TABLE_NOISY(printf("Expected type structure not found in package %s for idnex %d\n", 2507 String8(group->name).string(), ti)); 2508 } 2509 2510 size_t NTC = typeConfigs->configs.size(); 2511 for (size_t tci=0; tci<NTC; tci++) { 2512 const ResTable_type* const ty = typeConfigs->configs[tci]; 2513 const uint32_t typeOffset = dtohl(ty->entriesStart); 2514 2515 const uint8_t* const end = ((const uint8_t*)ty) + dtohl(ty->header.size); 2516 const uint32_t* const eindex = (const uint32_t*) 2517 (((const uint8_t*)ty) + dtohs(ty->header.headerSize)); 2518 2519 const size_t NE = dtohl(ty->entryCount); 2520 for (size_t i=0; i<NE; i++) { 2521 uint32_t offset = dtohl(eindex[i]); 2522 if (offset == ResTable_type::NO_ENTRY) { 2523 continue; 2524 } 2525 2526 offset += typeOffset; 2527 2528 if (offset > (dtohl(ty->header.size)-sizeof(ResTable_entry))) { 2529 LOGW("ResTable_entry at %d is beyond type chunk data %d", 2530 offset, dtohl(ty->header.size)); 2531 return 0; 2532 } 2533 if ((offset&0x3) != 0) { 2534 LOGW("ResTable_entry at %d (pkg=%d type=%d ent=%d) is not on an integer boundary when looking for %s:%s/%s", 2535 (int)offset, (int)group->id, (int)ti+1, (int)i, 2536 String8(package, packageLen).string(), 2537 String8(type, typeLen).string(), 2538 String8(name, nameLen).string()); 2539 return 0; 2540 } 2541 2542 const ResTable_entry* const entry = (const ResTable_entry*) 2543 (((const uint8_t*)ty) + offset); 2544 if (dtohs(entry->size) < sizeof(*entry)) { 2545 LOGW("ResTable_entry size %d is too small", dtohs(entry->size)); 2546 return BAD_TYPE; 2547 } 2548 2549 TABLE_SUPER_NOISY(printf("Looking at entry #%d: want str %d, have %d\n", 2550 i, ei, dtohl(entry->key.index))); 2551 if (dtohl(entry->key.index) == (size_t)ei) { 2552 if (outTypeSpecFlags) { 2553 *outTypeSpecFlags = typeConfigs->typeSpecFlags[i]; 2554 } 2555 return Res_MAKEID(group->id-1, ti, i); 2556 } 2557 } 2558 } 2559 } 2560 2561 return 0; 2562 } 2563 2564 bool ResTable::expandResourceRef(const uint16_t* refStr, size_t refLen, 2565 String16* outPackage, 2566 String16* outType, 2567 String16* outName, 2568 const String16* defType, 2569 const String16* defPackage, 2570 const char** outErrorMsg) 2571 { 2572 const char16_t* packageEnd = NULL; 2573 const char16_t* typeEnd = NULL; 2574 const char16_t* p = refStr; 2575 const char16_t* const end = p + refLen; 2576 while (p < end) { 2577 if (*p == ':') packageEnd = p; 2578 else if (*p == '/') { 2579 typeEnd = p; 2580 break; 2581 } 2582 p++; 2583 } 2584 p = refStr; 2585 if (*p == '@') p++; 2586 2587 if (packageEnd) { 2588 *outPackage = String16(p, packageEnd-p); 2589 p = packageEnd+1; 2590 } else { 2591 if (!defPackage) { 2592 if (outErrorMsg) { 2593 *outErrorMsg = "No resource package specified"; 2594 } 2595 return false; 2596 } 2597 *outPackage = *defPackage; 2598 } 2599 if (typeEnd) { 2600 *outType = String16(p, typeEnd-p); 2601 p = typeEnd+1; 2602 } else { 2603 if (!defType) { 2604 if (outErrorMsg) { 2605 *outErrorMsg = "No resource type specified"; 2606 } 2607 return false; 2608 } 2609 *outType = *defType; 2610 } 2611 *outName = String16(p, end-p); 2612 return true; 2613 } 2614 2615 static uint32_t get_hex(char c, bool* outError) 2616 { 2617 if (c >= '0' && c <= '9') { 2618 return c - '0'; 2619 } else if (c >= 'a' && c <= 'f') { 2620 return c - 'a' + 0xa; 2621 } else if (c >= 'A' && c <= 'F') { 2622 return c - 'A' + 0xa; 2623 } 2624 *outError = true; 2625 return 0; 2626 } 2627 2628 struct unit_entry 2629 { 2630 const char* name; 2631 size_t len; 2632 uint8_t type; 2633 uint32_t unit; 2634 float scale; 2635 }; 2636 2637 static const unit_entry unitNames[] = { 2638 { "px", strlen("px"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PX, 1.0f }, 2639 { "dip", strlen("dip"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 2640 { "dp", strlen("dp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 2641 { "sp", strlen("sp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_SP, 1.0f }, 2642 { "pt", strlen("pt"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PT, 1.0f }, 2643 { "in", strlen("in"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_IN, 1.0f }, 2644 { "mm", strlen("mm"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_MM, 1.0f }, 2645 { "%", strlen("%"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION, 1.0f/100 }, 2646 { "%p", strlen("%p"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION_PARENT, 1.0f/100 }, 2647 { NULL, 0, 0, 0, 0 } 2648 }; 2649 2650 static bool parse_unit(const char* str, Res_value* outValue, 2651 float* outScale, const char** outEnd) 2652 { 2653 const char* end = str; 2654 while (*end != 0 && !isspace((unsigned char)*end)) { 2655 end++; 2656 } 2657 const size_t len = end-str; 2658 2659 const char* realEnd = end; 2660 while (*realEnd != 0 && isspace((unsigned char)*realEnd)) { 2661 realEnd++; 2662 } 2663 if (*realEnd != 0) { 2664 return false; 2665 } 2666 2667 const unit_entry* cur = unitNames; 2668 while (cur->name) { 2669 if (len == cur->len && strncmp(cur->name, str, len) == 0) { 2670 outValue->dataType = cur->type; 2671 outValue->data = cur->unit << Res_value::COMPLEX_UNIT_SHIFT; 2672 *outScale = cur->scale; 2673 *outEnd = end; 2674 //printf("Found unit %s for %s\n", cur->name, str); 2675 return true; 2676 } 2677 cur++; 2678 } 2679 2680 return false; 2681 } 2682 2683 2684 bool ResTable::stringToInt(const char16_t* s, size_t len, Res_value* outValue) 2685 { 2686 while (len > 0 && isspace16(*s)) { 2687 s++; 2688 len--; 2689 } 2690 2691 if (len <= 0) { 2692 return false; 2693 } 2694 2695 size_t i = 0; 2696 int32_t val = 0; 2697 bool neg = false; 2698 2699 if (*s == '-') { 2700 neg = true; 2701 i++; 2702 } 2703 2704 if (s[i] < '0' || s[i] > '9') { 2705 return false; 2706 } 2707 2708 // Decimal or hex? 2709 if (s[i] == '0' && s[i+1] == 'x') { 2710 if (outValue) 2711 outValue->dataType = outValue->TYPE_INT_HEX; 2712 i += 2; 2713 bool error = false; 2714 while (i < len && !error) { 2715 val = (val*16) + get_hex(s[i], &error); 2716 i++; 2717 } 2718 if (error) { 2719 return false; 2720 } 2721 } else { 2722 if (outValue) 2723 outValue->dataType = outValue->TYPE_INT_DEC; 2724 while (i < len) { 2725 if (s[i] < '0' || s[i] > '9') { 2726 return false; 2727 } 2728 val = (val*10) + s[i]-'0'; 2729 i++; 2730 } 2731 } 2732 2733 if (neg) val = -val; 2734 2735 while (i < len && isspace16(s[i])) { 2736 i++; 2737 } 2738 2739 if (i == len) { 2740 if (outValue) 2741 outValue->data = val; 2742 return true; 2743 } 2744 2745 return false; 2746 } 2747 2748 bool ResTable::stringToFloat(const char16_t* s, size_t len, Res_value* outValue) 2749 { 2750 while (len > 0 && isspace16(*s)) { 2751 s++; 2752 len--; 2753 } 2754 2755 if (len <= 0) { 2756 return false; 2757 } 2758 2759 char buf[128]; 2760 int i=0; 2761 while (len > 0 && *s != 0 && i < 126) { 2762 if (*s > 255) { 2763 return false; 2764 } 2765 buf[i++] = *s++; 2766 len--; 2767 } 2768 2769 if (len > 0) { 2770 return false; 2771 } 2772 if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') { 2773 return false; 2774 } 2775 2776 buf[i] = 0; 2777 const char* end; 2778 float f = strtof(buf, (char**)&end); 2779 2780 if (*end != 0 && !isspace((unsigned char)*end)) { 2781 // Might be a unit... 2782 float scale; 2783 if (parse_unit(end, outValue, &scale, &end)) { 2784 f *= scale; 2785 const bool neg = f < 0; 2786 if (neg) f = -f; 2787 uint64_t bits = (uint64_t)(f*(1<<23)+.5f); 2788 uint32_t radix; 2789 uint32_t shift; 2790 if ((bits&0x7fffff) == 0) { 2791 // Always use 23p0 if there is no fraction, just to make 2792 // things easier to read. 2793 radix = Res_value::COMPLEX_RADIX_23p0; 2794 shift = 23; 2795 } else if ((bits&0xffffffffff800000LL) == 0) { 2796 // Magnitude is zero -- can fit in 0 bits of precision. 2797 radix = Res_value::COMPLEX_RADIX_0p23; 2798 shift = 0; 2799 } else if ((bits&0xffffffff80000000LL) == 0) { 2800 // Magnitude can fit in 8 bits of precision. 2801 radix = Res_value::COMPLEX_RADIX_8p15; 2802 shift = 8; 2803 } else if ((bits&0xffffff8000000000LL) == 0) { 2804 // Magnitude can fit in 16 bits of precision. 2805 radix = Res_value::COMPLEX_RADIX_16p7; 2806 shift = 16; 2807 } else { 2808 // Magnitude needs entire range, so no fractional part. 2809 radix = Res_value::COMPLEX_RADIX_23p0; 2810 shift = 23; 2811 } 2812 int32_t mantissa = (int32_t)( 2813 (bits>>shift) & Res_value::COMPLEX_MANTISSA_MASK); 2814 if (neg) { 2815 mantissa = (-mantissa) & Res_value::COMPLEX_MANTISSA_MASK; 2816 } 2817 outValue->data |= 2818 (radix<<Res_value::COMPLEX_RADIX_SHIFT) 2819 | (mantissa<<Res_value::COMPLEX_MANTISSA_SHIFT); 2820 //printf("Input value: %f 0x%016Lx, mult: %f, radix: %d, shift: %d, final: 0x%08x\n", 2821 // f * (neg ? -1 : 1), bits, f*(1<<23), 2822 // radix, shift, outValue->data); 2823 return true; 2824 } 2825 return false; 2826 } 2827 2828 while (*end != 0 && isspace((unsigned char)*end)) { 2829 end++; 2830 } 2831 2832 if (*end == 0) { 2833 if (outValue) { 2834 outValue->dataType = outValue->TYPE_FLOAT; 2835 *(float*)(&outValue->data) = f; 2836 return true; 2837 } 2838 } 2839 2840 return false; 2841 } 2842 2843 bool ResTable::stringToValue(Res_value* outValue, String16* outString, 2844 const char16_t* s, size_t len, 2845 bool preserveSpaces, bool coerceType, 2846 uint32_t attrID, 2847 const String16* defType, 2848 const String16* defPackage, 2849 Accessor* accessor, 2850 void* accessorCookie, 2851 uint32_t attrType, 2852 bool enforcePrivate) const 2853 { 2854 bool localizationSetting = accessor != NULL && accessor->getLocalizationSetting(); 2855 const char* errorMsg = NULL; 2856 2857 outValue->size = sizeof(Res_value); 2858 outValue->res0 = 0; 2859 2860 // First strip leading/trailing whitespace. Do this before handling 2861 // escapes, so they can be used to force whitespace into the string. 2862 if (!preserveSpaces) { 2863 while (len > 0 && isspace16(*s)) { 2864 s++; 2865 len--; 2866 } 2867 while (len > 0 && isspace16(s[len-1])) { 2868 len--; 2869 } 2870 // If the string ends with '\', then we keep the space after it. 2871 if (len > 0 && s[len-1] == '\\' && s[len] != 0) { 2872 len++; 2873 } 2874 } 2875 2876 //printf("Value for: %s\n", String8(s, len).string()); 2877 2878 uint32_t l10nReq = ResTable_map::L10N_NOT_REQUIRED; 2879 uint32_t attrMin = 0x80000000, attrMax = 0x7fffffff; 2880 bool fromAccessor = false; 2881 if (attrID != 0 && !Res_INTERNALID(attrID)) { 2882 const ssize_t p = getResourcePackageIndex(attrID); 2883 const bag_entry* bag; 2884 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 2885 //printf("For attr 0x%08x got bag of %d\n", attrID, cnt); 2886 if (cnt >= 0) { 2887 while (cnt > 0) { 2888 //printf("Entry 0x%08x = 0x%08x\n", bag->map.name.ident, bag->map.value.data); 2889 switch (bag->map.name.ident) { 2890 case ResTable_map::ATTR_TYPE: 2891 attrType = bag->map.value.data; 2892 break; 2893 case ResTable_map::ATTR_MIN: 2894 attrMin = bag->map.value.data; 2895 break; 2896 case ResTable_map::ATTR_MAX: 2897 attrMax = bag->map.value.data; 2898 break; 2899 case ResTable_map::ATTR_L10N: 2900 l10nReq = bag->map.value.data; 2901 break; 2902 } 2903 bag++; 2904 cnt--; 2905 } 2906 unlockBag(bag); 2907 } else if (accessor && accessor->getAttributeType(attrID, &attrType)) { 2908 fromAccessor = true; 2909 if (attrType == ResTable_map::TYPE_ENUM 2910 || attrType == ResTable_map::TYPE_FLAGS 2911 || attrType == ResTable_map::TYPE_INTEGER) { 2912 accessor->getAttributeMin(attrID, &attrMin); 2913 accessor->getAttributeMax(attrID, &attrMax); 2914 } 2915 if (localizationSetting) { 2916 l10nReq = accessor->getAttributeL10N(attrID); 2917 } 2918 } 2919 } 2920 2921 const bool canStringCoerce = 2922 coerceType && (attrType&ResTable_map::TYPE_STRING) != 0; 2923 2924 if (*s == '@') { 2925 outValue->dataType = outValue->TYPE_REFERENCE; 2926 2927 // Note: we don't check attrType here because the reference can 2928 // be to any other type; we just need to count on the client making 2929 // sure the referenced type is correct. 2930 2931 //printf("Looking up ref: %s\n", String8(s, len).string()); 2932 2933 // It's a reference! 2934 if (len == 5 && s[1]=='n' && s[2]=='u' && s[3]=='l' && s[4]=='l') { 2935 outValue->data = 0; 2936 return true; 2937 } else { 2938 bool createIfNotFound = false; 2939 const char16_t* resourceRefName; 2940 int resourceNameLen; 2941 if (len > 2 && s[1] == '+') { 2942 createIfNotFound = true; 2943 resourceRefName = s + 2; 2944 resourceNameLen = len - 2; 2945 } else if (len > 2 && s[1] == '*') { 2946 enforcePrivate = false; 2947 resourceRefName = s + 2; 2948 resourceNameLen = len - 2; 2949 } else { 2950 createIfNotFound = false; 2951 resourceRefName = s + 1; 2952 resourceNameLen = len - 1; 2953 } 2954 String16 package, type, name; 2955 if (!expandResourceRef(resourceRefName,resourceNameLen, &package, &type, &name, 2956 defType, defPackage, &errorMsg)) { 2957 if (accessor != NULL) { 2958 accessor->reportError(accessorCookie, errorMsg); 2959 } 2960 return false; 2961 } 2962 2963 uint32_t specFlags = 0; 2964 uint32_t rid = identifierForName(name.string(), name.size(), type.string(), 2965 type.size(), package.string(), package.size(), &specFlags); 2966 if (rid != 0) { 2967 if (enforcePrivate) { 2968 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 2969 if (accessor != NULL) { 2970 accessor->reportError(accessorCookie, "Resource is not public."); 2971 } 2972 return false; 2973 } 2974 } 2975 if (!accessor) { 2976 outValue->data = rid; 2977 return true; 2978 } 2979 rid = Res_MAKEID( 2980 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 2981 Res_GETTYPE(rid), Res_GETENTRY(rid)); 2982 TABLE_NOISY(printf("Incl %s:%s/%s: 0x%08x\n", 2983 String8(package).string(), String8(type).string(), 2984 String8(name).string(), rid)); 2985 outValue->data = rid; 2986 return true; 2987 } 2988 2989 if (accessor) { 2990 uint32_t rid = accessor->getCustomResourceWithCreation(package, type, name, 2991 createIfNotFound); 2992 if (rid != 0) { 2993 TABLE_NOISY(printf("Pckg %s:%s/%s: 0x%08x\n", 2994 String8(package).string(), String8(type).string(), 2995 String8(name).string(), rid)); 2996 outValue->data = rid; 2997 return true; 2998 } 2999 } 3000 } 3001 3002 if (accessor != NULL) { 3003 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 3004 } 3005 return false; 3006 } 3007 3008 // if we got to here, and localization is required and it's not a reference, 3009 // complain and bail. 3010 if (l10nReq == ResTable_map::L10N_SUGGESTED) { 3011 if (localizationSetting) { 3012 if (accessor != NULL) { 3013 accessor->reportError(accessorCookie, "This attribute must be localized."); 3014 } 3015 } 3016 } 3017 3018 if (*s == '#') { 3019 // It's a color! Convert to an integer of the form 0xaarrggbb. 3020 uint32_t color = 0; 3021 bool error = false; 3022 if (len == 4) { 3023 outValue->dataType = outValue->TYPE_INT_COLOR_RGB4; 3024 color |= 0xFF000000; 3025 color |= get_hex(s[1], &error) << 20; 3026 color |= get_hex(s[1], &error) << 16; 3027 color |= get_hex(s[2], &error) << 12; 3028 color |= get_hex(s[2], &error) << 8; 3029 color |= get_hex(s[3], &error) << 4; 3030 color |= get_hex(s[3], &error); 3031 } else if (len == 5) { 3032 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB4; 3033 color |= get_hex(s[1], &error) << 28; 3034 color |= get_hex(s[1], &error) << 24; 3035 color |= get_hex(s[2], &error) << 20; 3036 color |= get_hex(s[2], &error) << 16; 3037 color |= get_hex(s[3], &error) << 12; 3038 color |= get_hex(s[3], &error) << 8; 3039 color |= get_hex(s[4], &error) << 4; 3040 color |= get_hex(s[4], &error); 3041 } else if (len == 7) { 3042 outValue->dataType = outValue->TYPE_INT_COLOR_RGB8; 3043 color |= 0xFF000000; 3044 color |= get_hex(s[1], &error) << 20; 3045 color |= get_hex(s[2], &error) << 16; 3046 color |= get_hex(s[3], &error) << 12; 3047 color |= get_hex(s[4], &error) << 8; 3048 color |= get_hex(s[5], &error) << 4; 3049 color |= get_hex(s[6], &error); 3050 } else if (len == 9) { 3051 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB8; 3052 color |= get_hex(s[1], &error) << 28; 3053 color |= get_hex(s[2], &error) << 24; 3054 color |= get_hex(s[3], &error) << 20; 3055 color |= get_hex(s[4], &error) << 16; 3056 color |= get_hex(s[5], &error) << 12; 3057 color |= get_hex(s[6], &error) << 8; 3058 color |= get_hex(s[7], &error) << 4; 3059 color |= get_hex(s[8], &error); 3060 } else { 3061 error = true; 3062 } 3063 if (!error) { 3064 if ((attrType&ResTable_map::TYPE_COLOR) == 0) { 3065 if (!canStringCoerce) { 3066 if (accessor != NULL) { 3067 accessor->reportError(accessorCookie, 3068 "Color types not allowed"); 3069 } 3070 return false; 3071 } 3072 } else { 3073 outValue->data = color; 3074 //printf("Color input=%s, output=0x%x\n", String8(s, len).string(), color); 3075 return true; 3076 } 3077 } else { 3078 if ((attrType&ResTable_map::TYPE_COLOR) != 0) { 3079 if (accessor != NULL) { 3080 accessor->reportError(accessorCookie, "Color value not valid --" 3081 " must be #rgb, #argb, #rrggbb, or #aarrggbb"); 3082 } 3083 #if 0 3084 fprintf(stderr, "%s: Color ID %s value %s is not valid\n", 3085 "Resource File", //(const char*)in->getPrintableSource(), 3086 String8(*curTag).string(), 3087 String8(s, len).string()); 3088 #endif 3089 return false; 3090 } 3091 } 3092 } 3093 3094 if (*s == '?') { 3095 outValue->dataType = outValue->TYPE_ATTRIBUTE; 3096 3097 // Note: we don't check attrType here because the reference can 3098 // be to any other type; we just need to count on the client making 3099 // sure the referenced type is correct. 3100 3101 //printf("Looking up attr: %s\n", String8(s, len).string()); 3102 3103 static const String16 attr16("attr"); 3104 String16 package, type, name; 3105 if (!expandResourceRef(s+1, len-1, &package, &type, &name, 3106 &attr16, defPackage, &errorMsg)) { 3107 if (accessor != NULL) { 3108 accessor->reportError(accessorCookie, errorMsg); 3109 } 3110 return false; 3111 } 3112 3113 //printf("Pkg: %s, Type: %s, Name: %s\n", 3114 // String8(package).string(), String8(type).string(), 3115 // String8(name).string()); 3116 uint32_t specFlags = 0; 3117 uint32_t rid = 3118 identifierForName(name.string(), name.size(), 3119 type.string(), type.size(), 3120 package.string(), package.size(), &specFlags); 3121 if (rid != 0) { 3122 if (enforcePrivate) { 3123 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 3124 if (accessor != NULL) { 3125 accessor->reportError(accessorCookie, "Attribute is not public."); 3126 } 3127 return false; 3128 } 3129 } 3130 if (!accessor) { 3131 outValue->data = rid; 3132 return true; 3133 } 3134 rid = Res_MAKEID( 3135 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 3136 Res_GETTYPE(rid), Res_GETENTRY(rid)); 3137 //printf("Incl %s:%s/%s: 0x%08x\n", 3138 // String8(package).string(), String8(type).string(), 3139 // String8(name).string(), rid); 3140 outValue->data = rid; 3141 return true; 3142 } 3143 3144 if (accessor) { 3145 uint32_t rid = accessor->getCustomResource(package, type, name); 3146 if (rid != 0) { 3147 //printf("Mine %s:%s/%s: 0x%08x\n", 3148 // String8(package).string(), String8(type).string(), 3149 // String8(name).string(), rid); 3150 outValue->data = rid; 3151 return true; 3152 } 3153 } 3154 3155 if (accessor != NULL) { 3156 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 3157 } 3158 return false; 3159 } 3160 3161 if (stringToInt(s, len, outValue)) { 3162 if ((attrType&ResTable_map::TYPE_INTEGER) == 0) { 3163 // If this type does not allow integers, but does allow floats, 3164 // fall through on this error case because the float type should 3165 // be able to accept any integer value. 3166 if (!canStringCoerce && (attrType&ResTable_map::TYPE_FLOAT) == 0) { 3167 if (accessor != NULL) { 3168 accessor->reportError(accessorCookie, "Integer types not allowed"); 3169 } 3170 return false; 3171 } 3172 } else { 3173 if (((int32_t)outValue->data) < ((int32_t)attrMin) 3174 || ((int32_t)outValue->data) > ((int32_t)attrMax)) { 3175 if (accessor != NULL) { 3176 accessor->reportError(accessorCookie, "Integer value out of range"); 3177 } 3178 return false; 3179 } 3180 return true; 3181 } 3182 } 3183 3184 if (stringToFloat(s, len, outValue)) { 3185 if (outValue->dataType == Res_value::TYPE_DIMENSION) { 3186 if ((attrType&ResTable_map::TYPE_DIMENSION) != 0) { 3187 return true; 3188 } 3189 if (!canStringCoerce) { 3190 if (accessor != NULL) { 3191 accessor->reportError(accessorCookie, "Dimension types not allowed"); 3192 } 3193 return false; 3194 } 3195 } else if (outValue->dataType == Res_value::TYPE_FRACTION) { 3196 if ((attrType&ResTable_map::TYPE_FRACTION) != 0) { 3197 return true; 3198 } 3199 if (!canStringCoerce) { 3200 if (accessor != NULL) { 3201 accessor->reportError(accessorCookie, "Fraction types not allowed"); 3202 } 3203 return false; 3204 } 3205 } else if ((attrType&ResTable_map::TYPE_FLOAT) == 0) { 3206 if (!canStringCoerce) { 3207 if (accessor != NULL) { 3208 accessor->reportError(accessorCookie, "Float types not allowed"); 3209 } 3210 return false; 3211 } 3212 } else { 3213 return true; 3214 } 3215 } 3216 3217 if (len == 4) { 3218 if ((s[0] == 't' || s[0] == 'T') && 3219 (s[1] == 'r' || s[1] == 'R') && 3220 (s[2] == 'u' || s[2] == 'U') && 3221 (s[3] == 'e' || s[3] == 'E')) { 3222 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 3223 if (!canStringCoerce) { 3224 if (accessor != NULL) { 3225 accessor->reportError(accessorCookie, "Boolean types not allowed"); 3226 } 3227 return false; 3228 } 3229 } else { 3230 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 3231 outValue->data = (uint32_t)-1; 3232 return true; 3233 } 3234 } 3235 } 3236 3237 if (len == 5) { 3238 if ((s[0] == 'f' || s[0] == 'F') && 3239 (s[1] == 'a' || s[1] == 'A') && 3240 (s[2] == 'l' || s[2] == 'L') && 3241 (s[3] == 's' || s[3] == 'S') && 3242 (s[4] == 'e' || s[4] == 'E')) { 3243 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 3244 if (!canStringCoerce) { 3245 if (accessor != NULL) { 3246 accessor->reportError(accessorCookie, "Boolean types not allowed"); 3247 } 3248 return false; 3249 } 3250 } else { 3251 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 3252 outValue->data = 0; 3253 return true; 3254 } 3255 } 3256 } 3257 3258 if ((attrType&ResTable_map::TYPE_ENUM) != 0) { 3259 const ssize_t p = getResourcePackageIndex(attrID); 3260 const bag_entry* bag; 3261 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 3262 //printf("Got %d for enum\n", cnt); 3263 if (cnt >= 0) { 3264 resource_name rname; 3265 while (cnt > 0) { 3266 if (!Res_INTERNALID(bag->map.name.ident)) { 3267 //printf("Trying attr #%08x\n", bag->map.name.ident); 3268 if (getResourceName(bag->map.name.ident, &rname)) { 3269 #if 0 3270 printf("Matching %s against %s (0x%08x)\n", 3271 String8(s, len).string(), 3272 String8(rname.name, rname.nameLen).string(), 3273 bag->map.name.ident); 3274 #endif 3275 if (strzcmp16(s, len, rname.name, rname.nameLen) == 0) { 3276 outValue->dataType = bag->map.value.dataType; 3277 outValue->data = bag->map.value.data; 3278 unlockBag(bag); 3279 return true; 3280 } 3281 } 3282 3283 } 3284 bag++; 3285 cnt--; 3286 } 3287 unlockBag(bag); 3288 } 3289 3290 if (fromAccessor) { 3291 if (accessor->getAttributeEnum(attrID, s, len, outValue)) { 3292 return true; 3293 } 3294 } 3295 } 3296 3297 if ((attrType&ResTable_map::TYPE_FLAGS) != 0) { 3298 const ssize_t p = getResourcePackageIndex(attrID); 3299 const bag_entry* bag; 3300 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 3301 //printf("Got %d for flags\n", cnt); 3302 if (cnt >= 0) { 3303 bool failed = false; 3304 resource_name rname; 3305 outValue->dataType = Res_value::TYPE_INT_HEX; 3306 outValue->data = 0; 3307 const char16_t* end = s + len; 3308 const char16_t* pos = s; 3309 while (pos < end && !failed) { 3310 const char16_t* start = pos; 3311 pos++; 3312 while (pos < end && *pos != '|') { 3313 pos++; 3314 } 3315 //printf("Looking for: %s\n", String8(start, pos-start).string()); 3316 const bag_entry* bagi = bag; 3317 ssize_t i; 3318 for (i=0; i<cnt; i++, bagi++) { 3319 if (!Res_INTERNALID(bagi->map.name.ident)) { 3320 //printf("Trying attr #%08x\n", bagi->map.name.ident); 3321 if (getResourceName(bagi->map.name.ident, &rname)) { 3322 #if 0 3323 printf("Matching %s against %s (0x%08x)\n", 3324 String8(start,pos-start).string(), 3325 String8(rname.name, rname.nameLen).string(), 3326 bagi->map.name.ident); 3327 #endif 3328 if (strzcmp16(start, pos-start, rname.name, rname.nameLen) == 0) { 3329 outValue->data |= bagi->map.value.data; 3330 break; 3331 } 3332 } 3333 } 3334 } 3335 if (i >= cnt) { 3336 // Didn't find this flag identifier. 3337 failed = true; 3338 } 3339 if (pos < end) { 3340 pos++; 3341 } 3342 } 3343 unlockBag(bag); 3344 if (!failed) { 3345 //printf("Final flag value: 0x%lx\n", outValue->data); 3346 return true; 3347 } 3348 } 3349 3350 3351 if (fromAccessor) { 3352 if (accessor->getAttributeFlags(attrID, s, len, outValue)) { 3353 //printf("Final flag value: 0x%lx\n", outValue->data); 3354 return true; 3355 } 3356 } 3357 } 3358 3359 if ((attrType&ResTable_map::TYPE_STRING) == 0) { 3360 if (accessor != NULL) { 3361 accessor->reportError(accessorCookie, "String types not allowed"); 3362 } 3363 return false; 3364 } 3365 3366 // Generic string handling... 3367 outValue->dataType = outValue->TYPE_STRING; 3368 if (outString) { 3369 bool failed = collectString(outString, s, len, preserveSpaces, &errorMsg); 3370 if (accessor != NULL) { 3371 accessor->reportError(accessorCookie, errorMsg); 3372 } 3373 return failed; 3374 } 3375 3376 return true; 3377 } 3378 3379 bool ResTable::collectString(String16* outString, 3380 const char16_t* s, size_t len, 3381 bool preserveSpaces, 3382 const char** outErrorMsg, 3383 bool append) 3384 { 3385 String16 tmp; 3386 3387 char quoted = 0; 3388 const char16_t* p = s; 3389 while (p < (s+len)) { 3390 while (p < (s+len)) { 3391 const char16_t c = *p; 3392 if (c == '\\') { 3393 break; 3394 } 3395 if (!preserveSpaces) { 3396 if (quoted == 0 && isspace16(c) 3397 && (c != ' ' || isspace16(*(p+1)))) { 3398 break; 3399 } 3400 if (c == '"' && (quoted == 0 || quoted == '"')) { 3401 break; 3402 } 3403 if (c == '\'' && (quoted == 0 || quoted == '\'')) { 3404 /* 3405 * In practice, when people write ' instead of \' 3406 * in a string, they are doing it by accident 3407 * instead of really meaning to use ' as a quoting 3408 * character. Warn them so they don't lose it. 3409 */ 3410 if (outErrorMsg) { 3411 *outErrorMsg = "Apostrophe not preceded by \\"; 3412 } 3413 return false; 3414 } 3415 } 3416 p++; 3417 } 3418 if (p < (s+len)) { 3419 if (p > s) { 3420 tmp.append(String16(s, p-s)); 3421 } 3422 if (!preserveSpaces && (*p == '"' || *p == '\'')) { 3423 if (quoted == 0) { 3424 quoted = *p; 3425 } else { 3426 quoted = 0; 3427 } 3428 p++; 3429 } else if (!preserveSpaces && isspace16(*p)) { 3430 // Space outside of a quote -- consume all spaces and 3431 // leave a single plain space char. 3432 tmp.append(String16(" ")); 3433 p++; 3434 while (p < (s+len) && isspace16(*p)) { 3435 p++; 3436 } 3437 } else if (*p == '\\') { 3438 p++; 3439 if (p < (s+len)) { 3440 switch (*p) { 3441 case 't': 3442 tmp.append(String16("\t")); 3443 break; 3444 case 'n': 3445 tmp.append(String16("\n")); 3446 break; 3447 case '#': 3448 tmp.append(String16("#")); 3449 break; 3450 case '@': 3451 tmp.append(String16("@")); 3452 break; 3453 case '?': 3454 tmp.append(String16("?")); 3455 break; 3456 case '"': 3457 tmp.append(String16("\"")); 3458 break; 3459 case '\'': 3460 tmp.append(String16("'")); 3461 break; 3462 case '\\': 3463 tmp.append(String16("\\")); 3464 break; 3465 case 'u': 3466 { 3467 char16_t chr = 0; 3468 int i = 0; 3469 while (i < 4 && p[1] != 0) { 3470 p++; 3471 i++; 3472 int c; 3473 if (*p >= '0' && *p <= '9') { 3474 c = *p - '0'; 3475 } else if (*p >= 'a' && *p <= 'f') { 3476 c = *p - 'a' + 10; 3477 } else if (*p >= 'A' && *p <= 'F') { 3478 c = *p - 'A' + 10; 3479 } else { 3480 if (outErrorMsg) { 3481 *outErrorMsg = "Bad character in \\u unicode escape sequence"; 3482 } 3483 return false; 3484 } 3485 chr = (chr<<4) | c; 3486 } 3487 tmp.append(String16(&chr, 1)); 3488 } break; 3489 default: 3490 // ignore unknown escape chars. 3491 break; 3492 } 3493 p++; 3494 } 3495 } 3496 len -= (p-s); 3497 s = p; 3498 } 3499 } 3500 3501 if (tmp.size() != 0) { 3502 if (len > 0) { 3503 tmp.append(String16(s, len)); 3504 } 3505 if (append) { 3506 outString->append(tmp); 3507 } else { 3508 outString->setTo(tmp); 3509 } 3510 } else { 3511 if (append) { 3512 outString->append(String16(s, len)); 3513 } else { 3514 outString->setTo(s, len); 3515 } 3516 } 3517 3518 return true; 3519 } 3520 3521 size_t ResTable::getBasePackageCount() const 3522 { 3523 if (mError != NO_ERROR) { 3524 return 0; 3525 } 3526 return mPackageGroups.size(); 3527 } 3528 3529 const char16_t* ResTable::getBasePackageName(size_t idx) const 3530 { 3531 if (mError != NO_ERROR) { 3532 return 0; 3533 } 3534 LOG_FATAL_IF(idx >= mPackageGroups.size(), 3535 "Requested package index %d past package count %d", 3536 (int)idx, (int)mPackageGroups.size()); 3537 return mPackageGroups[idx]->name.string(); 3538 } 3539 3540 uint32_t ResTable::getBasePackageId(size_t idx) const 3541 { 3542 if (mError != NO_ERROR) { 3543 return 0; 3544 } 3545 LOG_FATAL_IF(idx >= mPackageGroups.size(), 3546 "Requested package index %d past package count %d", 3547 (int)idx, (int)mPackageGroups.size()); 3548 return mPackageGroups[idx]->id; 3549 } 3550 3551 size_t ResTable::getTableCount() const 3552 { 3553 return mHeaders.size(); 3554 } 3555 3556 const ResStringPool* ResTable::getTableStringBlock(size_t index) const 3557 { 3558 return &mHeaders[index]->values; 3559 } 3560 3561 void* ResTable::getTableCookie(size_t index) const 3562 { 3563 return mHeaders[index]->cookie; 3564 } 3565 3566 void ResTable::getConfigurations(Vector<ResTable_config>* configs) const 3567 { 3568 const size_t I = mPackageGroups.size(); 3569 for (size_t i=0; i<I; i++) { 3570 const PackageGroup* packageGroup = mPackageGroups[i]; 3571 const size_t J = packageGroup->packages.size(); 3572 for (size_t j=0; j<J; j++) { 3573 const Package* package = packageGroup->packages[j]; 3574 const size_t K = package->types.size(); 3575 for (size_t k=0; k<K; k++) { 3576 const Type* type = package->types[k]; 3577 if (type == NULL) continue; 3578 const size_t L = type->configs.size(); 3579 for (size_t l=0; l<L; l++) { 3580 const ResTable_type* config = type->configs[l]; 3581 const ResTable_config* cfg = &config->config; 3582 // only insert unique 3583 const size_t M = configs->size(); 3584 size_t m; 3585 for (m=0; m<M; m++) { 3586 if (0 == (*configs)[m].compare(*cfg)) { 3587 break; 3588 } 3589 } 3590 // if we didn't find it 3591 if (m == M) { 3592 configs->add(*cfg); 3593 } 3594 } 3595 } 3596 } 3597 } 3598 } 3599 3600 void ResTable::getLocales(Vector<String8>* locales) const 3601 { 3602 Vector<ResTable_config> configs; 3603 LOGD("calling getConfigurations"); 3604 getConfigurations(&configs); 3605 LOGD("called getConfigurations size=%d", (int)configs.size()); 3606 const size_t I = configs.size(); 3607 for (size_t i=0; i<I; i++) { 3608 char locale[6]; 3609 configs[i].getLocale(locale); 3610 const size_t J = locales->size(); 3611 size_t j; 3612 for (j=0; j<J; j++) { 3613 if (0 == strcmp(locale, (*locales)[j].string())) { 3614 break; 3615 } 3616 } 3617 if (j == J) { 3618 locales->add(String8(locale)); 3619 } 3620 } 3621 } 3622 3623 ssize_t ResTable::getEntry( 3624 const Package* package, int typeIndex, int entryIndex, 3625 const ResTable_config* config, 3626 const ResTable_type** outType, const ResTable_entry** outEntry, 3627 const Type** outTypeClass) const 3628 { 3629 LOGV("Getting entry from package %p\n", package); 3630 const ResTable_package* const pkg = package->package; 3631 3632 const Type* allTypes = package->getType(typeIndex); 3633 LOGV("allTypes=%p\n", allTypes); 3634 if (allTypes == NULL) { 3635 LOGV("Skipping entry type index 0x%02x because type is NULL!\n", typeIndex); 3636 return 0; 3637 } 3638 3639 if ((size_t)entryIndex >= allTypes->entryCount) { 3640 LOGW("getEntry failing because entryIndex %d is beyond type entryCount %d", 3641 entryIndex, (int)allTypes->entryCount); 3642 return BAD_TYPE; 3643 } 3644 3645 const ResTable_type* type = NULL; 3646 uint32_t offset = ResTable_type::NO_ENTRY; 3647 ResTable_config bestConfig; 3648 memset(&bestConfig, 0, sizeof(bestConfig)); // make the compiler shut up 3649 3650 const size_t NT = allTypes->configs.size(); 3651 for (size_t i=0; i<NT; i++) { 3652 const ResTable_type* const thisType = allTypes->configs[i]; 3653 if (thisType == NULL) continue; 3654 3655 ResTable_config thisConfig; 3656 thisConfig.copyFromDtoH(thisType->config); 3657 3658 TABLE_GETENTRY(LOGI("Match entry 0x%x in type 0x%x (sz 0x%x): imsi:%d/%d=%d/%d lang:%c%c=%c%c cnt:%c%c=%c%c " 3659 "orien:%d=%d touch:%d=%d density:%d=%d key:%d=%d inp:%d=%d nav:%d=%d w:%d=%d h:%d=%d\n", 3660 entryIndex, typeIndex+1, dtohl(thisType->config.size), 3661 thisConfig.mcc, thisConfig.mnc, 3662 config ? config->mcc : 0, config ? config->mnc : 0, 3663 thisConfig.language[0] ? thisConfig.language[0] : '-', 3664 thisConfig.language[1] ? thisConfig.language[1] : '-', 3665 config && config->language[0] ? config->language[0] : '-', 3666 config && config->language[1] ? config->language[1] : '-', 3667 thisConfig.country[0] ? thisConfig.country[0] : '-', 3668 thisConfig.country[1] ? thisConfig.country[1] : '-', 3669 config && config->country[0] ? config->country[0] : '-', 3670 config && config->country[1] ? config->country[1] : '-', 3671 thisConfig.orientation, 3672 config ? config->orientation : 0, 3673 thisConfig.touchscreen, 3674 config ? config->touchscreen : 0, 3675 thisConfig.density, 3676 config ? config->density : 0, 3677 thisConfig.keyboard, 3678 config ? config->keyboard : 0, 3679 thisConfig.inputFlags, 3680 config ? config->inputFlags : 0, 3681 thisConfig.navigation, 3682 config ? config->navigation : 0, 3683 thisConfig.screenWidth, 3684 config ? config->screenWidth : 0, 3685 thisConfig.screenHeight, 3686 config ? config->screenHeight : 0)); 3687 3688 // Check to make sure this one is valid for the current parameters. 3689 if (config && !thisConfig.match(*config)) { 3690 TABLE_GETENTRY(LOGI("Does not match config!\n")); 3691 continue; 3692 } 3693 3694 // Check if there is the desired entry in this type. 3695 3696 const uint8_t* const end = ((const uint8_t*)thisType) 3697 + dtohl(thisType->header.size); 3698 const uint32_t* const eindex = (const uint32_t*) 3699 (((const uint8_t*)thisType) + dtohs(thisType->header.headerSize)); 3700 3701 uint32_t thisOffset = dtohl(eindex[entryIndex]); 3702 if (thisOffset == ResTable_type::NO_ENTRY) { 3703 TABLE_GETENTRY(LOGI("Skipping because it is not defined!\n")); 3704 continue; 3705 } 3706 3707 if (type != NULL) { 3708 // Check if this one is less specific than the last found. If so, 3709 // we will skip it. We check starting with things we most care 3710 // about to those we least care about. 3711 if (!thisConfig.isBetterThan(bestConfig, config)) { 3712 TABLE_GETENTRY(LOGI("This config is worse than last!\n")); 3713 continue; 3714 } 3715 } 3716 3717 type = thisType; 3718 offset = thisOffset; 3719 bestConfig = thisConfig; 3720 TABLE_GETENTRY(LOGI("Best entry so far -- using it!\n")); 3721 if (!config) break; 3722 } 3723 3724 if (type == NULL) { 3725 TABLE_GETENTRY(LOGI("No value found for requested entry!\n")); 3726 return BAD_INDEX; 3727 } 3728 3729 offset += dtohl(type->entriesStart); 3730 TABLE_NOISY(aout << "Looking in resource table " << package->header->header 3731 << ", typeOff=" 3732 << (void*)(((const char*)type)-((const char*)package->header->header)) 3733 << ", offset=" << (void*)offset << endl); 3734 3735 if (offset > (dtohl(type->header.size)-sizeof(ResTable_entry))) { 3736 LOGW("ResTable_entry at 0x%x is beyond type chunk data 0x%x", 3737 offset, dtohl(type->header.size)); 3738 return BAD_TYPE; 3739 } 3740 if ((offset&0x3) != 0) { 3741 LOGW("ResTable_entry at 0x%x is not on an integer boundary", 3742 offset); 3743 return BAD_TYPE; 3744 } 3745 3746 const ResTable_entry* const entry = (const ResTable_entry*) 3747 (((const uint8_t*)type) + offset); 3748 if (dtohs(entry->size) < sizeof(*entry)) { 3749 LOGW("ResTable_entry size 0x%x is too small", dtohs(entry->size)); 3750 return BAD_TYPE; 3751 } 3752 3753 *outType = type; 3754 *outEntry = entry; 3755 if (outTypeClass != NULL) { 3756 *outTypeClass = allTypes; 3757 } 3758 return offset + dtohs(entry->size); 3759 } 3760 3761 status_t ResTable::parsePackage(const ResTable_package* const pkg, 3762 const Header* const header) 3763 { 3764 const uint8_t* base = (const uint8_t*)pkg; 3765 status_t err = validate_chunk(&pkg->header, sizeof(*pkg), 3766 header->dataEnd, "ResTable_package"); 3767 if (err != NO_ERROR) { 3768 return (mError=err); 3769 } 3770 3771 const size_t pkgSize = dtohl(pkg->header.size); 3772 3773 if (dtohl(pkg->typeStrings) >= pkgSize) { 3774 LOGW("ResTable_package type strings at %p are past chunk size %p.", 3775 (void*)dtohl(pkg->typeStrings), (void*)pkgSize); 3776 return (mError=BAD_TYPE); 3777 } 3778 if ((dtohl(pkg->typeStrings)&0x3) != 0) { 3779 LOGW("ResTable_package type strings at %p is not on an integer boundary.", 3780 (void*)dtohl(pkg->typeStrings)); 3781 return (mError=BAD_TYPE); 3782 } 3783 if (dtohl(pkg->keyStrings) >= pkgSize) { 3784 LOGW("ResTable_package key strings at %p are past chunk size %p.", 3785 (void*)dtohl(pkg->keyStrings), (void*)pkgSize); 3786 return (mError=BAD_TYPE); 3787 } 3788 if ((dtohl(pkg->keyStrings)&0x3) != 0) { 3789 LOGW("ResTable_package key strings at %p is not on an integer boundary.", 3790 (void*)dtohl(pkg->keyStrings)); 3791 return (mError=BAD_TYPE); 3792 } 3793 3794 Package* package = NULL; 3795 PackageGroup* group = NULL; 3796 uint32_t id = dtohl(pkg->id); 3797 if (id != 0 && id < 256) { 3798 3799 package = new Package(this, header, pkg); 3800 if (package == NULL) { 3801 return (mError=NO_MEMORY); 3802 } 3803 3804 size_t idx = mPackageMap[id]; 3805 if (idx == 0) { 3806 idx = mPackageGroups.size()+1; 3807 3808 char16_t tmpName[sizeof(pkg->name)/sizeof(char16_t)]; 3809 strcpy16_dtoh(tmpName, pkg->name, sizeof(pkg->name)/sizeof(char16_t)); 3810 group = new PackageGroup(this, String16(tmpName), id); 3811 if (group == NULL) { 3812 delete package; 3813 return (mError=NO_MEMORY); 3814 } 3815 3816 err = package->typeStrings.setTo(base+dtohl(pkg->typeStrings), 3817 header->dataEnd-(base+dtohl(pkg->typeStrings))); 3818 if (err != NO_ERROR) { 3819 delete group; 3820 delete package; 3821 return (mError=err); 3822 } 3823 err = package->keyStrings.setTo(base+dtohl(pkg->keyStrings), 3824 header->dataEnd-(base+dtohl(pkg->keyStrings))); 3825 if (err != NO_ERROR) { 3826 delete group; 3827 delete package; 3828 return (mError=err); 3829 } 3830 3831 //printf("Adding new package id %d at index %d\n", id, idx); 3832 err = mPackageGroups.add(group); 3833 if (err < NO_ERROR) { 3834 return (mError=err); 3835 } 3836 group->basePackage = package; 3837 3838 mPackageMap[id] = (uint8_t)idx; 3839 } else { 3840 group = mPackageGroups.itemAt(idx-1); 3841 if (group == NULL) { 3842 return (mError=UNKNOWN_ERROR); 3843 } 3844 } 3845 err = group->packages.add(package); 3846 if (err < NO_ERROR) { 3847 return (mError=err); 3848 } 3849 } else { 3850 LOG_ALWAYS_FATAL("Skins not supported!"); 3851 return NO_ERROR; 3852 } 3853 3854 3855 // Iterate through all chunks. 3856 size_t curPackage = 0; 3857 3858 const ResChunk_header* chunk = 3859 (const ResChunk_header*)(((const uint8_t*)pkg) 3860 + dtohs(pkg->header.headerSize)); 3861 const uint8_t* endPos = ((const uint8_t*)pkg) + dtohs(pkg->header.size); 3862 while (((const uint8_t*)chunk) <= (endPos-sizeof(ResChunk_header)) && 3863 ((const uint8_t*)chunk) <= (endPos-dtohl(chunk->size))) { 3864 TABLE_NOISY(LOGV("PackageChunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 3865 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 3866 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 3867 const size_t csize = dtohl(chunk->size); 3868 const uint16_t ctype = dtohs(chunk->type); 3869 if (ctype == RES_TABLE_TYPE_SPEC_TYPE) { 3870 const ResTable_typeSpec* typeSpec = (const ResTable_typeSpec*)(chunk); 3871 err = validate_chunk(&typeSpec->header, sizeof(*typeSpec), 3872 endPos, "ResTable_typeSpec"); 3873 if (err != NO_ERROR) { 3874 return (mError=err); 3875 } 3876 3877 const size_t typeSpecSize = dtohl(typeSpec->header.size); 3878 3879 LOAD_TABLE_NOISY(printf("TypeSpec off %p: type=0x%x, headerSize=0x%x, size=%p\n", 3880 (void*)(base-(const uint8_t*)chunk), 3881 dtohs(typeSpec->header.type), 3882 dtohs(typeSpec->header.headerSize), 3883 (void*)typeSize)); 3884 // look for block overrun or int overflow when multiplying by 4 3885 if ((dtohl(typeSpec->entryCount) > (INT32_MAX/sizeof(uint32_t)) 3886 || dtohs(typeSpec->header.headerSize)+(sizeof(uint32_t)*dtohl(typeSpec->entryCount)) 3887 > typeSpecSize)) { 3888 LOGW("ResTable_typeSpec entry index to %p extends beyond chunk end %p.", 3889 (void*)(dtohs(typeSpec->header.headerSize) 3890 +(sizeof(uint32_t)*dtohl(typeSpec->entryCount))), 3891 (void*)typeSpecSize); 3892 return (mError=BAD_TYPE); 3893 } 3894 3895 if (typeSpec->id == 0) { 3896 LOGW("ResTable_type has an id of 0."); 3897 return (mError=BAD_TYPE); 3898 } 3899 3900 while (package->types.size() < typeSpec->id) { 3901 package->types.add(NULL); 3902 } 3903 Type* t = package->types[typeSpec->id-1]; 3904 if (t == NULL) { 3905 t = new Type(header, package, dtohl(typeSpec->entryCount)); 3906 package->types.editItemAt(typeSpec->id-1) = t; 3907 } else if (dtohl(typeSpec->entryCount) != t->entryCount) { 3908 LOGW("ResTable_typeSpec entry count inconsistent: given %d, previously %d", 3909 (int)dtohl(typeSpec->entryCount), (int)t->entryCount); 3910 return (mError=BAD_TYPE); 3911 } 3912 t->typeSpecFlags = (const uint32_t*)( 3913 ((const uint8_t*)typeSpec) + dtohs(typeSpec->header.headerSize)); 3914 t->typeSpec = typeSpec; 3915 3916 } else if (ctype == RES_TABLE_TYPE_TYPE) { 3917 const ResTable_type* type = (const ResTable_type*)(chunk); 3918 err = validate_chunk(&type->header, sizeof(*type)-sizeof(ResTable_config)+4, 3919 endPos, "ResTable_type"); 3920 if (err != NO_ERROR) { 3921 return (mError=err); 3922 } 3923 3924 const size_t typeSize = dtohl(type->header.size); 3925 3926 LOAD_TABLE_NOISY(printf("Type off %p: type=0x%x, headerSize=0x%x, size=%p\n", 3927 (void*)(base-(const uint8_t*)chunk), 3928 dtohs(type->header.type), 3929 dtohs(type->header.headerSize), 3930 (void*)typeSize)); 3931 if (dtohs(type->header.headerSize)+(sizeof(uint32_t)*dtohl(type->entryCount)) 3932 > typeSize) { 3933 LOGW("ResTable_type entry index to %p extends beyond chunk end %p.", 3934 (void*)(dtohs(type->header.headerSize) 3935 +(sizeof(uint32_t)*dtohl(type->entryCount))), 3936 (void*)typeSize); 3937 return (mError=BAD_TYPE); 3938 } 3939 if (dtohl(type->entryCount) != 0 3940 && dtohl(type->entriesStart) > (typeSize-sizeof(ResTable_entry))) { 3941 LOGW("ResTable_type entriesStart at %p extends beyond chunk end %p.", 3942 (void*)dtohl(type->entriesStart), (void*)typeSize); 3943 return (mError=BAD_TYPE); 3944 } 3945 if (type->id == 0) { 3946 LOGW("ResTable_type has an id of 0."); 3947 return (mError=BAD_TYPE); 3948 } 3949 3950 while (package->types.size() < type->id) { 3951 package->types.add(NULL); 3952 } 3953 Type* t = package->types[type->id-1]; 3954 if (t == NULL) { 3955 t = new Type(header, package, dtohl(type->entryCount)); 3956 package->types.editItemAt(type->id-1) = t; 3957 } else if (dtohl(type->entryCount) != t->entryCount) { 3958 LOGW("ResTable_type entry count inconsistent: given %d, previously %d", 3959 (int)dtohl(type->entryCount), (int)t->entryCount); 3960 return (mError=BAD_TYPE); 3961 } 3962 3963 TABLE_GETENTRY( 3964 ResTable_config thisConfig; 3965 thisConfig.copyFromDtoH(type->config); 3966 LOGI("Adding config to type %d: imsi:%d/%d lang:%c%c cnt:%c%c " 3967 "orien:%d touch:%d density:%d key:%d inp:%d nav:%d w:%d h:%d\n", 3968 type->id, 3969 thisConfig.mcc, thisConfig.mnc, 3970 thisConfig.language[0] ? thisConfig.language[0] : '-', 3971 thisConfig.language[1] ? thisConfig.language[1] : '-', 3972 thisConfig.country[0] ? thisConfig.country[0] : '-', 3973 thisConfig.country[1] ? thisConfig.country[1] : '-', 3974 thisConfig.orientation, 3975 thisConfig.touchscreen, 3976 thisConfig.density, 3977 thisConfig.keyboard, 3978 thisConfig.inputFlags, 3979 thisConfig.navigation, 3980 thisConfig.screenWidth, 3981 thisConfig.screenHeight)); 3982 t->configs.add(type); 3983 } else { 3984 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), 3985 endPos, "ResTable_package:unknown"); 3986 if (err != NO_ERROR) { 3987 return (mError=err); 3988 } 3989 } 3990 chunk = (const ResChunk_header*) 3991 (((const uint8_t*)chunk) + csize); 3992 } 3993 3994 if (group->typeCount == 0) { 3995 group->typeCount = package->types.size(); 3996 } 3997 3998 return NO_ERROR; 3999 } 4000 4001 #ifndef HAVE_ANDROID_OS 4002 #define CHAR16_TO_CSTR(c16, len) (String8(String16(c16,len)).string()) 4003 4004 #define CHAR16_ARRAY_EQ(constant, var, len) \ 4005 ((len == (sizeof(constant)/sizeof(constant[0]))) && (0 == memcmp((var), (constant), (len)))) 4006 4007 void print_complex(uint32_t complex, bool isFraction) 4008 { 4009 const float MANTISSA_MULT = 4010 1.0f / (1<<Res_value::COMPLEX_MANTISSA_SHIFT); 4011 const float RADIX_MULTS[] = { 4012 1.0f*MANTISSA_MULT, 1.0f/(1<<7)*MANTISSA_MULT, 4013 1.0f/(1<<15)*MANTISSA_MULT, 1.0f/(1<<23)*MANTISSA_MULT 4014 }; 4015 4016 float value = (complex&(Res_value::COMPLEX_MANTISSA_MASK 4017 <<Res_value::COMPLEX_MANTISSA_SHIFT)) 4018 * RADIX_MULTS[(complex>>Res_value::COMPLEX_RADIX_SHIFT) 4019 & Res_value::COMPLEX_RADIX_MASK]; 4020 printf("%f", value); 4021 4022 if (!isFraction) { 4023 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 4024 case Res_value::COMPLEX_UNIT_PX: printf("px"); break; 4025 case Res_value::COMPLEX_UNIT_DIP: printf("dp"); break; 4026 case Res_value::COMPLEX_UNIT_SP: printf("sp"); break; 4027 case Res_value::COMPLEX_UNIT_PT: printf("pt"); break; 4028 case Res_value::COMPLEX_UNIT_IN: printf("in"); break; 4029 case Res_value::COMPLEX_UNIT_MM: printf("mm"); break; 4030 default: printf(" (unknown unit)"); break; 4031 } 4032 } else { 4033 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 4034 case Res_value::COMPLEX_UNIT_FRACTION: printf("%%"); break; 4035 case Res_value::COMPLEX_UNIT_FRACTION_PARENT: printf("%%p"); break; 4036 default: printf(" (unknown unit)"); break; 4037 } 4038 } 4039 } 4040 4041 void ResTable::print_value(const Package* pkg, const Res_value& value) const 4042 { 4043 if (value.dataType == Res_value::TYPE_NULL) { 4044 printf("(null)\n"); 4045 } else if (value.dataType == Res_value::TYPE_REFERENCE) { 4046 printf("(reference) 0x%08x\n", value.data); 4047 } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) { 4048 printf("(attribute) 0x%08x\n", value.data); 4049 } else if (value.dataType == Res_value::TYPE_STRING) { 4050 size_t len; 4051 const char* str8 = pkg->header->values.string8At( 4052 value.data, &len); 4053 if (str8 != NULL) { 4054 printf("(string8) \"%s\"\n", str8); 4055 } else { 4056 const char16_t* str16 = pkg->header->values.stringAt( 4057 value.data, &len); 4058 if (str16 != NULL) { 4059 printf("(string16) \"%s\"\n", 4060 String8(str16, len).string()); 4061 } else { 4062 printf("(string) null\n"); 4063 } 4064 } 4065 } else if (value.dataType == Res_value::TYPE_FLOAT) { 4066 printf("(float) %g\n", *(const float*)&value.data); 4067 } else if (value.dataType == Res_value::TYPE_DIMENSION) { 4068 printf("(dimension) "); 4069 print_complex(value.data, false); 4070 printf("\n"); 4071 } else if (value.dataType == Res_value::TYPE_FRACTION) { 4072 printf("(fraction) "); 4073 print_complex(value.data, true); 4074 printf("\n"); 4075 } else if (value.dataType >= Res_value::TYPE_FIRST_COLOR_INT 4076 || value.dataType <= Res_value::TYPE_LAST_COLOR_INT) { 4077 printf("(color) #%08x\n", value.data); 4078 } else if (value.dataType == Res_value::TYPE_INT_BOOLEAN) { 4079 printf("(boolean) %s\n", value.data ? "true" : "false"); 4080 } else if (value.dataType >= Res_value::TYPE_FIRST_INT 4081 || value.dataType <= Res_value::TYPE_LAST_INT) { 4082 printf("(int) 0x%08x or %d\n", value.data, value.data); 4083 } else { 4084 printf("(unknown type) t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)\n", 4085 (int)value.dataType, (int)value.data, 4086 (int)value.size, (int)value.res0); 4087 } 4088 } 4089 4090 void ResTable::print(bool inclValues) const 4091 { 4092 if (mError != 0) { 4093 printf("mError=0x%x (%s)\n", mError, strerror(mError)); 4094 } 4095 #if 0 4096 printf("mParams=%c%c-%c%c,\n", 4097 mParams.language[0], mParams.language[1], 4098 mParams.country[0], mParams.country[1]); 4099 #endif 4100 size_t pgCount = mPackageGroups.size(); 4101 printf("Package Groups (%d)\n", (int)pgCount); 4102 for (size_t pgIndex=0; pgIndex<pgCount; pgIndex++) { 4103 const PackageGroup* pg = mPackageGroups[pgIndex]; 4104 printf("Package Group %d id=%d packageCount=%d name=%s\n", 4105 (int)pgIndex, pg->id, (int)pg->packages.size(), 4106 String8(pg->name).string()); 4107 4108 size_t pkgCount = pg->packages.size(); 4109 for (size_t pkgIndex=0; pkgIndex<pkgCount; pkgIndex++) { 4110 const Package* pkg = pg->packages[pkgIndex]; 4111 size_t typeCount = pkg->types.size(); 4112 printf(" Package %d id=%d name=%s typeCount=%d\n", (int)pkgIndex, 4113 pkg->package->id, String8(String16(pkg->package->name)).string(), 4114 (int)typeCount); 4115 for (size_t typeIndex=0; typeIndex<typeCount; typeIndex++) { 4116 const Type* typeConfigs = pkg->getType(typeIndex); 4117 if (typeConfigs == NULL) { 4118 printf(" type %d NULL\n", (int)typeIndex); 4119 continue; 4120 } 4121 const size_t NTC = typeConfigs->configs.size(); 4122 printf(" type %d configCount=%d entryCount=%d\n", 4123 (int)typeIndex, (int)NTC, (int)typeConfigs->entryCount); 4124 if (typeConfigs->typeSpecFlags != NULL) { 4125 for (size_t entryIndex=0; entryIndex<typeConfigs->entryCount; entryIndex++) { 4126 uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) 4127 | (0x00ff0000 & ((typeIndex+1)<<16)) 4128 | (0x0000ffff & (entryIndex)); 4129 resource_name resName; 4130 this->getResourceName(resID, &resName); 4131 printf(" spec resource 0x%08x %s:%s/%s: flags=0x%08x\n", 4132 resID, 4133 CHAR16_TO_CSTR(resName.package, resName.packageLen), 4134 CHAR16_TO_CSTR(resName.type, resName.typeLen), 4135 CHAR16_TO_CSTR(resName.name, resName.nameLen), 4136 dtohl(typeConfigs->typeSpecFlags[entryIndex])); 4137 } 4138 } 4139 for (size_t configIndex=0; configIndex<NTC; configIndex++) { 4140 const ResTable_type* type = typeConfigs->configs[configIndex]; 4141 if ((((uint64_t)type)&0x3) != 0) { 4142 printf(" NON-INTEGER ResTable_type ADDRESS: %p\n", type); 4143 continue; 4144 } 4145 char density[16]; 4146 uint16_t dval = dtohs(type->config.density); 4147 if (dval == ResTable_config::DENSITY_DEFAULT) { 4148 strcpy(density, "def"); 4149 } else if (dval == ResTable_config::DENSITY_NONE) { 4150 strcpy(density, "no"); 4151 } else { 4152 sprintf(density, "%d", (int)dval); 4153 } 4154 printf(" config %d", (int)configIndex); 4155 if (type->config.mcc != 0) { 4156 printf(" mcc=%d", dtohs(type->config.mcc)); 4157 } 4158 if (type->config.mnc != 0) { 4159 printf(" mnc=%d", dtohs(type->config.mnc)); 4160 } 4161 if (type->config.locale != 0) { 4162 printf(" lang=%c%c cnt=%c%c", 4163 type->config.language[0] ? type->config.language[0] : '-', 4164 type->config.language[1] ? type->config.language[1] : '-', 4165 type->config.country[0] ? type->config.country[0] : '-', 4166 type->config.country[1] ? type->config.country[1] : '-'); 4167 } 4168 if (type->config.screenLayout != 0) { 4169 printf(" sz=%d", 4170 type->config.screenLayout&ResTable_config::MASK_SCREENSIZE); 4171 switch (type->config.screenLayout&ResTable_config::MASK_SCREENSIZE) { 4172 case ResTable_config::SCREENSIZE_SMALL: 4173 printf(" (small)"); 4174 break; 4175 case ResTable_config::SCREENSIZE_NORMAL: 4176 printf(" (normal)"); 4177 break; 4178 case ResTable_config::SCREENSIZE_LARGE: 4179 printf(" (large)"); 4180 break; 4181 case ResTable_config::SCREENSIZE_XLARGE: 4182 printf(" (xlarge)"); 4183 break; 4184 } 4185 printf(" lng=%d", 4186 type->config.screenLayout&ResTable_config::MASK_SCREENLONG); 4187 switch (type->config.screenLayout&ResTable_config::MASK_SCREENLONG) { 4188 case ResTable_config::SCREENLONG_NO: 4189 printf(" (notlong)"); 4190 break; 4191 case ResTable_config::SCREENLONG_YES: 4192 printf(" (long)"); 4193 break; 4194 } 4195 } 4196 if (type->config.orientation != 0) { 4197 printf(" orient=%d", type->config.orientation); 4198 switch (type->config.orientation) { 4199 case ResTable_config::ORIENTATION_PORT: 4200 printf(" (port)"); 4201 break; 4202 case ResTable_config::ORIENTATION_LAND: 4203 printf(" (land)"); 4204 break; 4205 case ResTable_config::ORIENTATION_SQUARE: 4206 printf(" (square)"); 4207 break; 4208 } 4209 } 4210 if (type->config.uiMode != 0) { 4211 printf(" type=%d", 4212 type->config.uiMode&ResTable_config::MASK_UI_MODE_TYPE); 4213 switch (type->config.uiMode&ResTable_config::MASK_UI_MODE_TYPE) { 4214 case ResTable_config::UI_MODE_TYPE_NORMAL: 4215 printf(" (normal)"); 4216 break; 4217 case ResTable_config::UI_MODE_TYPE_CAR: 4218 printf(" (car)"); 4219 break; 4220 } 4221 printf(" night=%d", 4222 type->config.uiMode&ResTable_config::MASK_UI_MODE_NIGHT); 4223 switch (type->config.uiMode&ResTable_config::MASK_UI_MODE_NIGHT) { 4224 case ResTable_config::UI_MODE_NIGHT_NO: 4225 printf(" (no)"); 4226 break; 4227 case ResTable_config::UI_MODE_NIGHT_YES: 4228 printf(" (yes)"); 4229 break; 4230 } 4231 } 4232 if (dval != 0) { 4233 printf(" density=%s", density); 4234 } 4235 if (type->config.touchscreen != 0) { 4236 printf(" touch=%d", type->config.touchscreen); 4237 switch (type->config.touchscreen) { 4238 case ResTable_config::TOUCHSCREEN_NOTOUCH: 4239 printf(" (notouch)"); 4240 break; 4241 case ResTable_config::TOUCHSCREEN_STYLUS: 4242 printf(" (stylus)"); 4243 break; 4244 case ResTable_config::TOUCHSCREEN_FINGER: 4245 printf(" (finger)"); 4246 break; 4247 } 4248 } 4249 if (type->config.inputFlags != 0) { 4250 printf(" keyhid=%d", type->config.inputFlags&ResTable_config::MASK_KEYSHIDDEN); 4251 switch (type->config.inputFlags&ResTable_config::MASK_KEYSHIDDEN) { 4252 case ResTable_config::KEYSHIDDEN_NO: 4253 printf(" (no)"); 4254 break; 4255 case ResTable_config::KEYSHIDDEN_YES: 4256 printf(" (yes)"); 4257 break; 4258 case ResTable_config::KEYSHIDDEN_SOFT: 4259 printf(" (soft)"); 4260 break; 4261 } 4262 printf(" navhid=%d", type->config.inputFlags&ResTable_config::MASK_NAVHIDDEN); 4263 switch (type->config.inputFlags&ResTable_config::MASK_NAVHIDDEN) { 4264 case ResTable_config::NAVHIDDEN_NO: 4265 printf(" (no)"); 4266 break; 4267 case ResTable_config::NAVHIDDEN_YES: 4268 printf(" (yes)"); 4269 break; 4270 } 4271 } 4272 if (type->config.keyboard != 0) { 4273 printf(" kbd=%d", type->config.keyboard); 4274 switch (type->config.keyboard) { 4275 case ResTable_config::KEYBOARD_NOKEYS: 4276 printf(" (nokeys)"); 4277 break; 4278 case ResTable_config::KEYBOARD_QWERTY: 4279 printf(" (qwerty)"); 4280 break; 4281 case ResTable_config::KEYBOARD_12KEY: 4282 printf(" (12key)"); 4283 break; 4284 } 4285 } 4286 if (type->config.navigation != 0) { 4287 printf(" nav=%d", type->config.navigation); 4288 switch (type->config.navigation) { 4289 case ResTable_config::NAVIGATION_NONAV: 4290 printf(" (nonav)"); 4291 break; 4292 case ResTable_config::NAVIGATION_DPAD: 4293 printf(" (dpad)"); 4294 break; 4295 case ResTable_config::NAVIGATION_TRACKBALL: 4296 printf(" (trackball)"); 4297 break; 4298 case ResTable_config::NAVIGATION_WHEEL: 4299 printf(" (wheel)"); 4300 break; 4301 } 4302 } 4303 if (type->config.screenWidth != 0) { 4304 printf(" w=%d", dtohs(type->config.screenWidth)); 4305 } 4306 if (type->config.screenHeight != 0) { 4307 printf(" h=%d", dtohs(type->config.screenHeight)); 4308 } 4309 if (type->config.sdkVersion != 0) { 4310 printf(" sdk=%d", dtohs(type->config.sdkVersion)); 4311 } 4312 if (type->config.minorVersion != 0) { 4313 printf(" mver=%d", dtohs(type->config.minorVersion)); 4314 } 4315 printf("\n"); 4316 size_t entryCount = dtohl(type->entryCount); 4317 uint32_t entriesStart = dtohl(type->entriesStart); 4318 if ((entriesStart&0x3) != 0) { 4319 printf(" NON-INTEGER ResTable_type entriesStart OFFSET: %p\n", (void*)entriesStart); 4320 continue; 4321 } 4322 uint32_t typeSize = dtohl(type->header.size); 4323 if ((typeSize&0x3) != 0) { 4324 printf(" NON-INTEGER ResTable_type header.size: %p\n", (void*)typeSize); 4325 continue; 4326 } 4327 for (size_t entryIndex=0; entryIndex<entryCount; entryIndex++) { 4328 4329 const uint8_t* const end = ((const uint8_t*)type) 4330 + dtohl(type->header.size); 4331 const uint32_t* const eindex = (const uint32_t*) 4332 (((const uint8_t*)type) + dtohs(type->header.headerSize)); 4333 4334 uint32_t thisOffset = dtohl(eindex[entryIndex]); 4335 if (thisOffset == ResTable_type::NO_ENTRY) { 4336 continue; 4337 } 4338 4339 uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) 4340 | (0x00ff0000 & ((typeIndex+1)<<16)) 4341 | (0x0000ffff & (entryIndex)); 4342 resource_name resName; 4343 this->getResourceName(resID, &resName); 4344 printf(" resource 0x%08x %s:%s/%s: ", resID, 4345 CHAR16_TO_CSTR(resName.package, resName.packageLen), 4346 CHAR16_TO_CSTR(resName.type, resName.typeLen), 4347 CHAR16_TO_CSTR(resName.name, resName.nameLen)); 4348 if ((thisOffset&0x3) != 0) { 4349 printf("NON-INTEGER OFFSET: %p\n", (void*)thisOffset); 4350 continue; 4351 } 4352 if ((thisOffset+sizeof(ResTable_entry)) > typeSize) { 4353 printf("OFFSET OUT OF BOUNDS: %p+%p (size is %p)\n", 4354 (void*)entriesStart, (void*)thisOffset, 4355 (void*)typeSize); 4356 continue; 4357 } 4358 4359 const ResTable_entry* ent = (const ResTable_entry*) 4360 (((const uint8_t*)type) + entriesStart + thisOffset); 4361 if (((entriesStart + thisOffset)&0x3) != 0) { 4362 printf("NON-INTEGER ResTable_entry OFFSET: %p\n", 4363 (void*)(entriesStart + thisOffset)); 4364 continue; 4365 } 4366 4367 uint16_t esize = dtohs(ent->size); 4368 if ((esize&0x3) != 0) { 4369 printf("NON-INTEGER ResTable_entry SIZE: %p\n", (void*)esize); 4370 continue; 4371 } 4372 if ((thisOffset+esize) > typeSize) { 4373 printf("ResTable_entry OUT OF BOUNDS: %p+%p+%p (size is %p)\n", 4374 (void*)entriesStart, (void*)thisOffset, 4375 (void*)esize, (void*)typeSize); 4376 continue; 4377 } 4378 4379 const Res_value* valuePtr = NULL; 4380 const ResTable_map_entry* bagPtr = NULL; 4381 Res_value value; 4382 if ((dtohs(ent->flags)&ResTable_entry::FLAG_COMPLEX) != 0) { 4383 printf("<bag>"); 4384 bagPtr = (const ResTable_map_entry*)ent; 4385 } else { 4386 valuePtr = (const Res_value*) 4387 (((const uint8_t*)ent) + esize); 4388 value.copyFrom_dtoh(*valuePtr); 4389 printf("t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)", 4390 (int)value.dataType, (int)value.data, 4391 (int)value.size, (int)value.res0); 4392 } 4393 4394 if ((dtohs(ent->flags)&ResTable_entry::FLAG_PUBLIC) != 0) { 4395 printf(" (PUBLIC)"); 4396 } 4397 printf("\n"); 4398 4399 if (inclValues) { 4400 if (valuePtr != NULL) { 4401 printf(" "); 4402 print_value(pkg, value); 4403 } else if (bagPtr != NULL) { 4404 const int N = dtohl(bagPtr->count); 4405 const ResTable_map* mapPtr = (const ResTable_map*) 4406 (((const uint8_t*)ent) + esize); 4407 printf(" Parent=0x%08x, Count=%d\n", 4408 dtohl(bagPtr->parent.ident), N); 4409 for (int i=0; i<N; i++) { 4410 printf(" #%i (Key=0x%08x): ", 4411 i, dtohl(mapPtr->name.ident)); 4412 value.copyFrom_dtoh(mapPtr->value); 4413 print_value(pkg, value); 4414 const size_t size = dtohs(mapPtr->value.size); 4415 mapPtr = (ResTable_map*)(((const uint8_t*)mapPtr) 4416 + size + sizeof(*mapPtr)-sizeof(mapPtr->value)); 4417 } 4418 } 4419 } 4420 } 4421 } 4422 } 4423 } 4424 } 4425 } 4426 4427 #endif // HAVE_ANDROID_OS 4428 4429 } // namespace android 4430