ResourceTypes.cpp revision 82a2dd8efe48d3a4e04655f01329da857ace4b7d
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "ResourceType" 18//#define LOG_NDEBUG 0 19 20#include <androidfw/ByteBucketArray.h> 21#include <androidfw/ResourceTypes.h> 22#include <androidfw/TypeWrappers.h> 23#include <utils/Atomic.h> 24#include <utils/ByteOrder.h> 25#include <utils/Debug.h> 26#include <utils/Log.h> 27#include <utils/String16.h> 28#include <utils/String8.h> 29 30#include <stdlib.h> 31#include <string.h> 32#include <memory.h> 33#include <ctype.h> 34#include <stdint.h> 35#include <stddef.h> 36 37#ifndef INT32_MAX 38#define INT32_MAX ((int32_t)(2147483647)) 39#endif 40 41#define STRING_POOL_NOISY(x) //x 42#define XML_NOISY(x) //x 43#define TABLE_NOISY(x) //x 44#define TABLE_GETENTRY(x) //x 45#define TABLE_SUPER_NOISY(x) //x 46#define LOAD_TABLE_NOISY(x) //x 47#define TABLE_THEME(x) //x 48#define LIB_NOISY(x) //x 49 50namespace android { 51 52#ifdef HAVE_WINSOCK 53#undef nhtol 54#undef htonl 55 56#ifdef HAVE_LITTLE_ENDIAN 57#define ntohl(x) ( ((x) << 24) | (((x) >> 24) & 255) | (((x) << 8) & 0xff0000) | (((x) >> 8) & 0xff00) ) 58#define htonl(x) ntohl(x) 59#define ntohs(x) ( (((x) << 8) & 0xff00) | (((x) >> 8) & 255) ) 60#define htons(x) ntohs(x) 61#else 62#define ntohl(x) (x) 63#define htonl(x) (x) 64#define ntohs(x) (x) 65#define htons(x) (x) 66#endif 67#endif 68 69#define IDMAP_MAGIC 0x504D4449 70#define IDMAP_CURRENT_VERSION 0x00000001 71 72#define APP_PACKAGE_ID 0x7f 73#define SYS_PACKAGE_ID 0x01 74 75// Standard C isspace() is only required to look at the low byte of its input, so 76// produces incorrect results for UTF-16 characters. For safety's sake, assume that 77// any high-byte UTF-16 code point is not whitespace. 78inline int isspace16(char16_t c) { 79 return (c < 0x0080 && isspace(c)); 80} 81 82template<typename T> 83inline static T max(T a, T b) { 84 return a > b ? a : b; 85} 86 87// range checked; guaranteed to NUL-terminate within the stated number of available slots 88// NOTE: if this truncates the dst string due to running out of space, no attempt is 89// made to avoid splitting surrogate pairs. 90static void strcpy16_dtoh(uint16_t* dst, const uint16_t* src, size_t avail) 91{ 92 uint16_t* last = dst + avail - 1; 93 while (*src && (dst < last)) { 94 char16_t s = dtohs(*src); 95 *dst++ = s; 96 src++; 97 } 98 *dst = 0; 99} 100 101static status_t validate_chunk(const ResChunk_header* chunk, 102 size_t minSize, 103 const uint8_t* dataEnd, 104 const char* name) 105{ 106 const uint16_t headerSize = dtohs(chunk->headerSize); 107 const uint32_t size = dtohl(chunk->size); 108 109 if (headerSize >= minSize) { 110 if (headerSize <= size) { 111 if (((headerSize|size)&0x3) == 0) { 112 if ((size_t)size <= (size_t)(dataEnd-((const uint8_t*)chunk))) { 113 return NO_ERROR; 114 } 115 ALOGW("%s data size 0x%x extends beyond resource end %p.", 116 name, size, (void*)(dataEnd-((const uint8_t*)chunk))); 117 return BAD_TYPE; 118 } 119 ALOGW("%s size 0x%x or headerSize 0x%x is not on an integer boundary.", 120 name, (int)size, (int)headerSize); 121 return BAD_TYPE; 122 } 123 ALOGW("%s size 0x%x is smaller than header size 0x%x.", 124 name, size, headerSize); 125 return BAD_TYPE; 126 } 127 ALOGW("%s header size 0x%04x is too small.", 128 name, headerSize); 129 return BAD_TYPE; 130} 131 132static void fill9patchOffsets(Res_png_9patch* patch) { 133 patch->xDivsOffset = sizeof(Res_png_9patch); 134 patch->yDivsOffset = patch->xDivsOffset + (patch->numXDivs * sizeof(int32_t)); 135 patch->colorsOffset = patch->yDivsOffset + (patch->numYDivs * sizeof(int32_t)); 136} 137 138inline void Res_value::copyFrom_dtoh(const Res_value& src) 139{ 140 size = dtohs(src.size); 141 res0 = src.res0; 142 dataType = src.dataType; 143 data = dtohl(src.data); 144} 145 146void Res_png_9patch::deviceToFile() 147{ 148 int32_t* xDivs = getXDivs(); 149 for (int i = 0; i < numXDivs; i++) { 150 xDivs[i] = htonl(xDivs[i]); 151 } 152 int32_t* yDivs = getYDivs(); 153 for (int i = 0; i < numYDivs; i++) { 154 yDivs[i] = htonl(yDivs[i]); 155 } 156 paddingLeft = htonl(paddingLeft); 157 paddingRight = htonl(paddingRight); 158 paddingTop = htonl(paddingTop); 159 paddingBottom = htonl(paddingBottom); 160 uint32_t* colors = getColors(); 161 for (int i=0; i<numColors; i++) { 162 colors[i] = htonl(colors[i]); 163 } 164} 165 166void Res_png_9patch::fileToDevice() 167{ 168 int32_t* xDivs = getXDivs(); 169 for (int i = 0; i < numXDivs; i++) { 170 xDivs[i] = ntohl(xDivs[i]); 171 } 172 int32_t* yDivs = getYDivs(); 173 for (int i = 0; i < numYDivs; i++) { 174 yDivs[i] = ntohl(yDivs[i]); 175 } 176 paddingLeft = ntohl(paddingLeft); 177 paddingRight = ntohl(paddingRight); 178 paddingTop = ntohl(paddingTop); 179 paddingBottom = ntohl(paddingBottom); 180 uint32_t* colors = getColors(); 181 for (int i=0; i<numColors; i++) { 182 colors[i] = ntohl(colors[i]); 183 } 184} 185 186size_t Res_png_9patch::serializedSize() const 187{ 188 // The size of this struct is 32 bytes on the 32-bit target system 189 // 4 * int8_t 190 // 4 * int32_t 191 // 3 * uint32_t 192 return 32 193 + numXDivs * sizeof(int32_t) 194 + numYDivs * sizeof(int32_t) 195 + numColors * sizeof(uint32_t); 196} 197 198void* Res_png_9patch::serialize(const Res_png_9patch& patch, const int32_t* xDivs, 199 const int32_t* yDivs, const uint32_t* colors) 200{ 201 // Use calloc since we're going to leave a few holes in the data 202 // and want this to run cleanly under valgrind 203 void* newData = calloc(1, patch.serializedSize()); 204 serialize(patch, xDivs, yDivs, colors, newData); 205 return newData; 206} 207 208void Res_png_9patch::serialize(const Res_png_9patch& patch, const int32_t* xDivs, 209 const int32_t* yDivs, const uint32_t* colors, void* outData) 210{ 211 uint8_t* data = (uint8_t*) outData; 212 memcpy(data, &patch.wasDeserialized, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 213 memcpy(data + 12, &patch.paddingLeft, 16); // copy paddingXXXX 214 data += 32; 215 216 memcpy(data, xDivs, patch.numXDivs * sizeof(int32_t)); 217 data += patch.numXDivs * sizeof(int32_t); 218 memcpy(data, yDivs, patch.numYDivs * sizeof(int32_t)); 219 data += patch.numYDivs * sizeof(int32_t); 220 memcpy(data, colors, patch.numColors * sizeof(uint32_t)); 221 222 fill9patchOffsets(reinterpret_cast<Res_png_9patch*>(outData)); 223} 224 225static bool assertIdmapHeader(const void* idmap, size_t size) { 226 if (reinterpret_cast<uintptr_t>(idmap) & 0x03) { 227 ALOGE("idmap: header is not word aligned"); 228 return false; 229 } 230 231 if (size < ResTable::IDMAP_HEADER_SIZE_BYTES) { 232 ALOGW("idmap: header too small (%d bytes)", (uint32_t) size); 233 return false; 234 } 235 236 const uint32_t magic = htodl(*reinterpret_cast<const uint32_t*>(idmap)); 237 if (magic != IDMAP_MAGIC) { 238 ALOGW("idmap: no magic found in header (is 0x%08x, expected 0x%08x)", 239 magic, IDMAP_MAGIC); 240 return false; 241 } 242 243 const uint32_t version = htodl(*(reinterpret_cast<const uint32_t*>(idmap) + 1)); 244 if (version != IDMAP_CURRENT_VERSION) { 245 // We are strict about versions because files with this format are 246 // auto-generated and don't need backwards compatibility. 247 ALOGW("idmap: version mismatch in header (is 0x%08x, expected 0x%08x)", 248 version, IDMAP_CURRENT_VERSION); 249 return false; 250 } 251 return true; 252} 253 254class IdmapEntries { 255public: 256 IdmapEntries() : mData(NULL) {} 257 258 bool hasEntries() const { 259 if (mData == NULL) { 260 return false; 261 } 262 263 return (dtohs(*mData) > 0); 264 } 265 266 size_t byteSize() const { 267 if (mData == NULL) { 268 return 0; 269 } 270 uint16_t entryCount = dtohs(mData[2]); 271 return (sizeof(uint16_t) * 4) + (sizeof(uint32_t) * static_cast<size_t>(entryCount)); 272 } 273 274 uint8_t targetTypeId() const { 275 if (mData == NULL) { 276 return 0; 277 } 278 return dtohs(mData[0]); 279 } 280 281 uint8_t overlayTypeId() const { 282 if (mData == NULL) { 283 return 0; 284 } 285 return dtohs(mData[1]); 286 } 287 288 status_t setTo(const void* entryHeader, size_t size) { 289 if (reinterpret_cast<uintptr_t>(entryHeader) & 0x03) { 290 ALOGE("idmap: entry header is not word aligned"); 291 return UNKNOWN_ERROR; 292 } 293 294 if (size < sizeof(uint16_t) * 4) { 295 ALOGE("idmap: entry header is too small (%u bytes)", (uint32_t) size); 296 return UNKNOWN_ERROR; 297 } 298 299 const uint16_t* header = reinterpret_cast<const uint16_t*>(entryHeader); 300 const uint16_t targetTypeId = dtohs(header[0]); 301 const uint16_t overlayTypeId = dtohs(header[1]); 302 if (targetTypeId == 0 || overlayTypeId == 0 || targetTypeId > 255 || overlayTypeId > 255) { 303 ALOGE("idmap: invalid type map (%u -> %u)", targetTypeId, overlayTypeId); 304 return UNKNOWN_ERROR; 305 } 306 307 uint16_t entryCount = dtohs(header[2]); 308 if (size < sizeof(uint32_t) * (entryCount + 2)) { 309 ALOGE("idmap: too small (%u bytes) for the number of entries (%u)", 310 (uint32_t) size, (uint32_t) entryCount); 311 return UNKNOWN_ERROR; 312 } 313 mData = header; 314 return NO_ERROR; 315 } 316 317 status_t lookup(uint16_t entryId, uint16_t* outEntryId) const { 318 uint16_t entryCount = dtohs(mData[2]); 319 uint16_t offset = dtohs(mData[3]); 320 321 if (entryId < offset) { 322 // The entry is not present in this idmap 323 return BAD_INDEX; 324 } 325 326 entryId -= offset; 327 328 if (entryId >= entryCount) { 329 // The entry is not present in this idmap 330 return BAD_INDEX; 331 } 332 333 // It is safe to access the type here without checking the size because 334 // we have checked this when it was first loaded. 335 const uint32_t* entries = reinterpret_cast<const uint32_t*>(mData) + 2; 336 uint32_t mappedEntry = dtohl(entries[entryId]); 337 if (mappedEntry == 0xffffffff) { 338 // This entry is not present in this idmap 339 return BAD_INDEX; 340 } 341 *outEntryId = static_cast<uint16_t>(mappedEntry); 342 return NO_ERROR; 343 } 344 345private: 346 const uint16_t* mData; 347}; 348 349status_t parseIdmap(const void* idmap, size_t size, uint8_t* outPackageId, KeyedVector<uint8_t, IdmapEntries>* outMap) { 350 if (!assertIdmapHeader(idmap, size)) { 351 return UNKNOWN_ERROR; 352 } 353 354 size -= ResTable::IDMAP_HEADER_SIZE_BYTES; 355 if (size < sizeof(uint16_t) * 2) { 356 ALOGE("idmap: too small to contain any mapping"); 357 return UNKNOWN_ERROR; 358 } 359 360 const uint16_t* data = reinterpret_cast<const uint16_t*>( 361 reinterpret_cast<const uint8_t*>(idmap) + ResTable::IDMAP_HEADER_SIZE_BYTES); 362 363 uint16_t targetPackageId = dtohs(*(data++)); 364 if (targetPackageId == 0 || targetPackageId > 255) { 365 ALOGE("idmap: target package ID is invalid (%02x)", targetPackageId); 366 return UNKNOWN_ERROR; 367 } 368 369 uint16_t mapCount = dtohs(*(data++)); 370 if (mapCount == 0) { 371 ALOGE("idmap: no mappings"); 372 return UNKNOWN_ERROR; 373 } 374 375 if (mapCount > 255) { 376 ALOGW("idmap: too many mappings. Only 255 are possible but %u are present", (uint32_t) mapCount); 377 } 378 379 while (size > sizeof(uint16_t) * 4) { 380 IdmapEntries entries; 381 status_t err = entries.setTo(data, size); 382 if (err != NO_ERROR) { 383 return err; 384 } 385 386 ssize_t index = outMap->add(entries.overlayTypeId(), entries); 387 if (index < 0) { 388 return NO_MEMORY; 389 } 390 391 data += entries.byteSize() / sizeof(uint16_t); 392 size -= entries.byteSize(); 393 } 394 395 if (outPackageId != NULL) { 396 *outPackageId = static_cast<uint8_t>(targetPackageId); 397 } 398 return NO_ERROR; 399} 400 401Res_png_9patch* Res_png_9patch::deserialize(void* inData) 402{ 403 404 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(inData); 405 patch->wasDeserialized = true; 406 fill9patchOffsets(patch); 407 408 return patch; 409} 410 411// -------------------------------------------------------------------- 412// -------------------------------------------------------------------- 413// -------------------------------------------------------------------- 414 415ResStringPool::ResStringPool() 416 : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) 417{ 418} 419 420ResStringPool::ResStringPool(const void* data, size_t size, bool copyData) 421 : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) 422{ 423 setTo(data, size, copyData); 424} 425 426ResStringPool::~ResStringPool() 427{ 428 uninit(); 429} 430 431void ResStringPool::setToEmpty() 432{ 433 uninit(); 434 435 mOwnedData = calloc(1, sizeof(ResStringPool_header)); 436 ResStringPool_header* header = (ResStringPool_header*) mOwnedData; 437 mSize = 0; 438 mEntries = NULL; 439 mStrings = NULL; 440 mStringPoolSize = 0; 441 mEntryStyles = NULL; 442 mStyles = NULL; 443 mStylePoolSize = 0; 444 mHeader = (const ResStringPool_header*) header; 445} 446 447status_t ResStringPool::setTo(const void* data, size_t size, bool copyData) 448{ 449 if (!data || !size) { 450 return (mError=BAD_TYPE); 451 } 452 453 uninit(); 454 455 const bool notDeviceEndian = htods(0xf0) != 0xf0; 456 457 if (copyData || notDeviceEndian) { 458 mOwnedData = malloc(size); 459 if (mOwnedData == NULL) { 460 return (mError=NO_MEMORY); 461 } 462 memcpy(mOwnedData, data, size); 463 data = mOwnedData; 464 } 465 466 mHeader = (const ResStringPool_header*)data; 467 468 if (notDeviceEndian) { 469 ResStringPool_header* h = const_cast<ResStringPool_header*>(mHeader); 470 h->header.headerSize = dtohs(mHeader->header.headerSize); 471 h->header.type = dtohs(mHeader->header.type); 472 h->header.size = dtohl(mHeader->header.size); 473 h->stringCount = dtohl(mHeader->stringCount); 474 h->styleCount = dtohl(mHeader->styleCount); 475 h->flags = dtohl(mHeader->flags); 476 h->stringsStart = dtohl(mHeader->stringsStart); 477 h->stylesStart = dtohl(mHeader->stylesStart); 478 } 479 480 if (mHeader->header.headerSize > mHeader->header.size 481 || mHeader->header.size > size) { 482 ALOGW("Bad string block: header size %d or total size %d is larger than data size %d\n", 483 (int)mHeader->header.headerSize, (int)mHeader->header.size, (int)size); 484 return (mError=BAD_TYPE); 485 } 486 mSize = mHeader->header.size; 487 mEntries = (const uint32_t*) 488 (((const uint8_t*)data)+mHeader->header.headerSize); 489 490 if (mHeader->stringCount > 0) { 491 if ((mHeader->stringCount*sizeof(uint32_t) < mHeader->stringCount) // uint32 overflow? 492 || (mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))) 493 > size) { 494 ALOGW("Bad string block: entry of %d items extends past data size %d\n", 495 (int)(mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))), 496 (int)size); 497 return (mError=BAD_TYPE); 498 } 499 500 size_t charSize; 501 if (mHeader->flags&ResStringPool_header::UTF8_FLAG) { 502 charSize = sizeof(uint8_t); 503 } else { 504 charSize = sizeof(char16_t); 505 } 506 507 // There should be at least space for the smallest string 508 // (2 bytes length, null terminator). 509 if (mHeader->stringsStart >= (mSize - sizeof(uint16_t))) { 510 ALOGW("Bad string block: string pool starts at %d, after total size %d\n", 511 (int)mHeader->stringsStart, (int)mHeader->header.size); 512 return (mError=BAD_TYPE); 513 } 514 515 mStrings = (const void*) 516 (((const uint8_t*)data) + mHeader->stringsStart); 517 518 if (mHeader->styleCount == 0) { 519 mStringPoolSize = (mSize - mHeader->stringsStart) / charSize; 520 } else { 521 // check invariant: styles starts before end of data 522 if (mHeader->stylesStart >= (mSize - sizeof(uint16_t))) { 523 ALOGW("Bad style block: style block starts at %d past data size of %d\n", 524 (int)mHeader->stylesStart, (int)mHeader->header.size); 525 return (mError=BAD_TYPE); 526 } 527 // check invariant: styles follow the strings 528 if (mHeader->stylesStart <= mHeader->stringsStart) { 529 ALOGW("Bad style block: style block starts at %d, before strings at %d\n", 530 (int)mHeader->stylesStart, (int)mHeader->stringsStart); 531 return (mError=BAD_TYPE); 532 } 533 mStringPoolSize = 534 (mHeader->stylesStart-mHeader->stringsStart)/charSize; 535 } 536 537 // check invariant: stringCount > 0 requires a string pool to exist 538 if (mStringPoolSize == 0) { 539 ALOGW("Bad string block: stringCount is %d but pool size is 0\n", (int)mHeader->stringCount); 540 return (mError=BAD_TYPE); 541 } 542 543 if (notDeviceEndian) { 544 size_t i; 545 uint32_t* e = const_cast<uint32_t*>(mEntries); 546 for (i=0; i<mHeader->stringCount; i++) { 547 e[i] = dtohl(mEntries[i]); 548 } 549 if (!(mHeader->flags&ResStringPool_header::UTF8_FLAG)) { 550 const char16_t* strings = (const char16_t*)mStrings; 551 char16_t* s = const_cast<char16_t*>(strings); 552 for (i=0; i<mStringPoolSize; i++) { 553 s[i] = dtohs(strings[i]); 554 } 555 } 556 } 557 558 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG && 559 ((uint8_t*)mStrings)[mStringPoolSize-1] != 0) || 560 (!mHeader->flags&ResStringPool_header::UTF8_FLAG && 561 ((char16_t*)mStrings)[mStringPoolSize-1] != 0)) { 562 ALOGW("Bad string block: last string is not 0-terminated\n"); 563 return (mError=BAD_TYPE); 564 } 565 } else { 566 mStrings = NULL; 567 mStringPoolSize = 0; 568 } 569 570 if (mHeader->styleCount > 0) { 571 mEntryStyles = mEntries + mHeader->stringCount; 572 // invariant: integer overflow in calculating mEntryStyles 573 if (mEntryStyles < mEntries) { 574 ALOGW("Bad string block: integer overflow finding styles\n"); 575 return (mError=BAD_TYPE); 576 } 577 578 if (((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader) > (int)size) { 579 ALOGW("Bad string block: entry of %d styles extends past data size %d\n", 580 (int)((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader), 581 (int)size); 582 return (mError=BAD_TYPE); 583 } 584 mStyles = (const uint32_t*) 585 (((const uint8_t*)data)+mHeader->stylesStart); 586 if (mHeader->stylesStart >= mHeader->header.size) { 587 ALOGW("Bad string block: style pool starts %d, after total size %d\n", 588 (int)mHeader->stylesStart, (int)mHeader->header.size); 589 return (mError=BAD_TYPE); 590 } 591 mStylePoolSize = 592 (mHeader->header.size-mHeader->stylesStart)/sizeof(uint32_t); 593 594 if (notDeviceEndian) { 595 size_t i; 596 uint32_t* e = const_cast<uint32_t*>(mEntryStyles); 597 for (i=0; i<mHeader->styleCount; i++) { 598 e[i] = dtohl(mEntryStyles[i]); 599 } 600 uint32_t* s = const_cast<uint32_t*>(mStyles); 601 for (i=0; i<mStylePoolSize; i++) { 602 s[i] = dtohl(mStyles[i]); 603 } 604 } 605 606 const ResStringPool_span endSpan = { 607 { htodl(ResStringPool_span::END) }, 608 htodl(ResStringPool_span::END), htodl(ResStringPool_span::END) 609 }; 610 if (memcmp(&mStyles[mStylePoolSize-(sizeof(endSpan)/sizeof(uint32_t))], 611 &endSpan, sizeof(endSpan)) != 0) { 612 ALOGW("Bad string block: last style is not 0xFFFFFFFF-terminated\n"); 613 return (mError=BAD_TYPE); 614 } 615 } else { 616 mEntryStyles = NULL; 617 mStyles = NULL; 618 mStylePoolSize = 0; 619 } 620 621 return (mError=NO_ERROR); 622} 623 624status_t ResStringPool::getError() const 625{ 626 return mError; 627} 628 629void ResStringPool::uninit() 630{ 631 mError = NO_INIT; 632 if (mHeader != NULL && mCache != NULL) { 633 for (size_t x = 0; x < mHeader->stringCount; x++) { 634 if (mCache[x] != NULL) { 635 free(mCache[x]); 636 mCache[x] = NULL; 637 } 638 } 639 free(mCache); 640 mCache = NULL; 641 } 642 if (mOwnedData) { 643 free(mOwnedData); 644 mOwnedData = NULL; 645 } 646} 647 648/** 649 * Strings in UTF-16 format have length indicated by a length encoded in the 650 * stored data. It is either 1 or 2 characters of length data. This allows a 651 * maximum length of 0x7FFFFFF (2147483647 bytes), but if you're storing that 652 * much data in a string, you're abusing them. 653 * 654 * If the high bit is set, then there are two characters or 4 bytes of length 655 * data encoded. In that case, drop the high bit of the first character and 656 * add it together with the next character. 657 */ 658static inline size_t 659decodeLength(const char16_t** str) 660{ 661 size_t len = **str; 662 if ((len & 0x8000) != 0) { 663 (*str)++; 664 len = ((len & 0x7FFF) << 16) | **str; 665 } 666 (*str)++; 667 return len; 668} 669 670/** 671 * Strings in UTF-8 format have length indicated by a length encoded in the 672 * stored data. It is either 1 or 2 characters of length data. This allows a 673 * maximum length of 0x7FFF (32767 bytes), but you should consider storing 674 * text in another way if you're using that much data in a single string. 675 * 676 * If the high bit is set, then there are two characters or 2 bytes of length 677 * data encoded. In that case, drop the high bit of the first character and 678 * add it together with the next character. 679 */ 680static inline size_t 681decodeLength(const uint8_t** str) 682{ 683 size_t len = **str; 684 if ((len & 0x80) != 0) { 685 (*str)++; 686 len = ((len & 0x7F) << 8) | **str; 687 } 688 (*str)++; 689 return len; 690} 691 692const uint16_t* ResStringPool::stringAt(size_t idx, size_t* u16len) const 693{ 694 if (mError == NO_ERROR && idx < mHeader->stringCount) { 695 const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; 696 const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); 697 if (off < (mStringPoolSize-1)) { 698 if (!isUTF8) { 699 const char16_t* strings = (char16_t*)mStrings; 700 const char16_t* str = strings+off; 701 702 *u16len = decodeLength(&str); 703 if ((uint32_t)(str+*u16len-strings) < mStringPoolSize) { 704 return str; 705 } else { 706 ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", 707 (int)idx, (int)(str+*u16len-strings), (int)mStringPoolSize); 708 } 709 } else { 710 const uint8_t* strings = (uint8_t*)mStrings; 711 const uint8_t* u8str = strings+off; 712 713 *u16len = decodeLength(&u8str); 714 size_t u8len = decodeLength(&u8str); 715 716 // encLen must be less than 0x7FFF due to encoding. 717 if ((uint32_t)(u8str+u8len-strings) < mStringPoolSize) { 718 AutoMutex lock(mDecodeLock); 719 720 if (mCache == NULL) { 721#ifndef HAVE_ANDROID_OS 722 STRING_POOL_NOISY(ALOGI("CREATING STRING CACHE OF %d bytes", 723 mHeader->stringCount*sizeof(char16_t**))); 724#else 725 // We do not want to be in this case when actually running Android. 726 ALOGW("CREATING STRING CACHE OF %d bytes", 727 mHeader->stringCount*sizeof(char16_t**)); 728#endif 729 mCache = (char16_t**)calloc(mHeader->stringCount, sizeof(char16_t**)); 730 if (mCache == NULL) { 731 ALOGW("No memory trying to allocate decode cache table of %d bytes\n", 732 (int)(mHeader->stringCount*sizeof(char16_t**))); 733 return NULL; 734 } 735 } 736 737 if (mCache[idx] != NULL) { 738 return mCache[idx]; 739 } 740 741 ssize_t actualLen = utf8_to_utf16_length(u8str, u8len); 742 if (actualLen < 0 || (size_t)actualLen != *u16len) { 743 ALOGW("Bad string block: string #%lld decoded length is not correct " 744 "%lld vs %llu\n", 745 (long long)idx, (long long)actualLen, (long long)*u16len); 746 return NULL; 747 } 748 749 char16_t *u16str = (char16_t *)calloc(*u16len+1, sizeof(char16_t)); 750 if (!u16str) { 751 ALOGW("No memory when trying to allocate decode cache for string #%d\n", 752 (int)idx); 753 return NULL; 754 } 755 756 STRING_POOL_NOISY(ALOGI("Caching UTF8 string: %s", u8str)); 757 utf8_to_utf16(u8str, u8len, u16str); 758 mCache[idx] = u16str; 759 return u16str; 760 } else { 761 ALOGW("Bad string block: string #%lld extends to %lld, past end at %lld\n", 762 (long long)idx, (long long)(u8str+u8len-strings), 763 (long long)mStringPoolSize); 764 } 765 } 766 } else { 767 ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", 768 (int)idx, (int)(off*sizeof(uint16_t)), 769 (int)(mStringPoolSize*sizeof(uint16_t))); 770 } 771 } 772 return NULL; 773} 774 775const char* ResStringPool::string8At(size_t idx, size_t* outLen) const 776{ 777 if (mError == NO_ERROR && idx < mHeader->stringCount) { 778 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG) == 0) { 779 return NULL; 780 } 781 const uint32_t off = mEntries[idx]/sizeof(char); 782 if (off < (mStringPoolSize-1)) { 783 const uint8_t* strings = (uint8_t*)mStrings; 784 const uint8_t* str = strings+off; 785 *outLen = decodeLength(&str); 786 size_t encLen = decodeLength(&str); 787 if ((uint32_t)(str+encLen-strings) < mStringPoolSize) { 788 return (const char*)str; 789 } else { 790 ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", 791 (int)idx, (int)(str+encLen-strings), (int)mStringPoolSize); 792 } 793 } else { 794 ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", 795 (int)idx, (int)(off*sizeof(uint16_t)), 796 (int)(mStringPoolSize*sizeof(uint16_t))); 797 } 798 } 799 return NULL; 800} 801 802const String8 ResStringPool::string8ObjectAt(size_t idx) const 803{ 804 size_t len; 805 const char *str = string8At(idx, &len); 806 if (str != NULL) { 807 return String8(str, len); 808 } 809 810 const char16_t *str16 = stringAt(idx, &len); 811 if (str16 != NULL) { 812 return String8(str16, len); 813 } 814 return String8(); 815} 816 817const ResStringPool_span* ResStringPool::styleAt(const ResStringPool_ref& ref) const 818{ 819 return styleAt(ref.index); 820} 821 822const ResStringPool_span* ResStringPool::styleAt(size_t idx) const 823{ 824 if (mError == NO_ERROR && idx < mHeader->styleCount) { 825 const uint32_t off = (mEntryStyles[idx]/sizeof(uint32_t)); 826 if (off < mStylePoolSize) { 827 return (const ResStringPool_span*)(mStyles+off); 828 } else { 829 ALOGW("Bad string block: style #%d entry is at %d, past end at %d\n", 830 (int)idx, (int)(off*sizeof(uint32_t)), 831 (int)(mStylePoolSize*sizeof(uint32_t))); 832 } 833 } 834 return NULL; 835} 836 837ssize_t ResStringPool::indexOfString(const char16_t* str, size_t strLen) const 838{ 839 if (mError != NO_ERROR) { 840 return mError; 841 } 842 843 size_t len; 844 845 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0) { 846 STRING_POOL_NOISY(ALOGI("indexOfString UTF-8: %s", String8(str, strLen).string())); 847 848 // The string pool contains UTF 8 strings; we don't want to cause 849 // temporary UTF-16 strings to be created as we search. 850 if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { 851 // Do a binary search for the string... this is a little tricky, 852 // because the strings are sorted with strzcmp16(). So to match 853 // the ordering, we need to convert strings in the pool to UTF-16. 854 // But we don't want to hit the cache, so instead we will have a 855 // local temporary allocation for the conversions. 856 char16_t* convBuffer = (char16_t*)malloc(strLen+4); 857 ssize_t l = 0; 858 ssize_t h = mHeader->stringCount-1; 859 860 ssize_t mid; 861 while (l <= h) { 862 mid = l + (h - l)/2; 863 const uint8_t* s = (const uint8_t*)string8At(mid, &len); 864 int c; 865 if (s != NULL) { 866 char16_t* end = utf8_to_utf16_n(s, len, convBuffer, strLen+3); 867 *end = 0; 868 c = strzcmp16(convBuffer, end-convBuffer, str, strLen); 869 } else { 870 c = -1; 871 } 872 STRING_POOL_NOISY(ALOGI("Looking at %s, cmp=%d, l/mid/h=%d/%d/%d\n", 873 (const char*)s, c, (int)l, (int)mid, (int)h)); 874 if (c == 0) { 875 STRING_POOL_NOISY(ALOGI("MATCH!")); 876 free(convBuffer); 877 return mid; 878 } else if (c < 0) { 879 l = mid + 1; 880 } else { 881 h = mid - 1; 882 } 883 } 884 free(convBuffer); 885 } else { 886 // It is unusual to get the ID from an unsorted string block... 887 // most often this happens because we want to get IDs for style 888 // span tags; since those always appear at the end of the string 889 // block, start searching at the back. 890 String8 str8(str, strLen); 891 const size_t str8Len = str8.size(); 892 for (int i=mHeader->stringCount-1; i>=0; i--) { 893 const char* s = string8At(i, &len); 894 STRING_POOL_NOISY(ALOGI("Looking at %s, i=%d\n", 895 String8(s).string(), 896 i)); 897 if (s && str8Len == len && memcmp(s, str8.string(), str8Len) == 0) { 898 STRING_POOL_NOISY(ALOGI("MATCH!")); 899 return i; 900 } 901 } 902 } 903 904 } else { 905 STRING_POOL_NOISY(ALOGI("indexOfString UTF-16: %s", String8(str, strLen).string())); 906 907 if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { 908 // Do a binary search for the string... 909 ssize_t l = 0; 910 ssize_t h = mHeader->stringCount-1; 911 912 ssize_t mid; 913 while (l <= h) { 914 mid = l + (h - l)/2; 915 const char16_t* s = stringAt(mid, &len); 916 int c = s ? strzcmp16(s, len, str, strLen) : -1; 917 STRING_POOL_NOISY(ALOGI("Looking at %s, cmp=%d, l/mid/h=%d/%d/%d\n", 918 String8(s).string(), 919 c, (int)l, (int)mid, (int)h)); 920 if (c == 0) { 921 STRING_POOL_NOISY(ALOGI("MATCH!")); 922 return mid; 923 } else if (c < 0) { 924 l = mid + 1; 925 } else { 926 h = mid - 1; 927 } 928 } 929 } else { 930 // It is unusual to get the ID from an unsorted string block... 931 // most often this happens because we want to get IDs for style 932 // span tags; since those always appear at the end of the string 933 // block, start searching at the back. 934 for (int i=mHeader->stringCount-1; i>=0; i--) { 935 const char16_t* s = stringAt(i, &len); 936 STRING_POOL_NOISY(ALOGI("Looking at %s, i=%d\n", 937 String8(s).string(), 938 i)); 939 if (s && strLen == len && strzcmp16(s, len, str, strLen) == 0) { 940 STRING_POOL_NOISY(ALOGI("MATCH!")); 941 return i; 942 } 943 } 944 } 945 } 946 947 return NAME_NOT_FOUND; 948} 949 950size_t ResStringPool::size() const 951{ 952 return (mError == NO_ERROR) ? mHeader->stringCount : 0; 953} 954 955size_t ResStringPool::styleCount() const 956{ 957 return (mError == NO_ERROR) ? mHeader->styleCount : 0; 958} 959 960size_t ResStringPool::bytes() const 961{ 962 return (mError == NO_ERROR) ? mHeader->header.size : 0; 963} 964 965bool ResStringPool::isSorted() const 966{ 967 return (mHeader->flags&ResStringPool_header::SORTED_FLAG)!=0; 968} 969 970bool ResStringPool::isUTF8() const 971{ 972 return (mHeader->flags&ResStringPool_header::UTF8_FLAG)!=0; 973} 974 975// -------------------------------------------------------------------- 976// -------------------------------------------------------------------- 977// -------------------------------------------------------------------- 978 979ResXMLParser::ResXMLParser(const ResXMLTree& tree) 980 : mTree(tree), mEventCode(BAD_DOCUMENT) 981{ 982} 983 984void ResXMLParser::restart() 985{ 986 mCurNode = NULL; 987 mEventCode = mTree.mError == NO_ERROR ? START_DOCUMENT : BAD_DOCUMENT; 988} 989const ResStringPool& ResXMLParser::getStrings() const 990{ 991 return mTree.mStrings; 992} 993 994ResXMLParser::event_code_t ResXMLParser::getEventType() const 995{ 996 return mEventCode; 997} 998 999ResXMLParser::event_code_t ResXMLParser::next() 1000{ 1001 if (mEventCode == START_DOCUMENT) { 1002 mCurNode = mTree.mRootNode; 1003 mCurExt = mTree.mRootExt; 1004 return (mEventCode=mTree.mRootCode); 1005 } else if (mEventCode >= FIRST_CHUNK_CODE) { 1006 return nextNode(); 1007 } 1008 return mEventCode; 1009} 1010 1011int32_t ResXMLParser::getCommentID() const 1012{ 1013 return mCurNode != NULL ? dtohl(mCurNode->comment.index) : -1; 1014} 1015 1016const uint16_t* ResXMLParser::getComment(size_t* outLen) const 1017{ 1018 int32_t id = getCommentID(); 1019 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1020} 1021 1022uint32_t ResXMLParser::getLineNumber() const 1023{ 1024 return mCurNode != NULL ? dtohl(mCurNode->lineNumber) : -1; 1025} 1026 1027int32_t ResXMLParser::getTextID() const 1028{ 1029 if (mEventCode == TEXT) { 1030 return dtohl(((const ResXMLTree_cdataExt*)mCurExt)->data.index); 1031 } 1032 return -1; 1033} 1034 1035const uint16_t* ResXMLParser::getText(size_t* outLen) const 1036{ 1037 int32_t id = getTextID(); 1038 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1039} 1040 1041ssize_t ResXMLParser::getTextValue(Res_value* outValue) const 1042{ 1043 if (mEventCode == TEXT) { 1044 outValue->copyFrom_dtoh(((const ResXMLTree_cdataExt*)mCurExt)->typedData); 1045 return sizeof(Res_value); 1046 } 1047 return BAD_TYPE; 1048} 1049 1050int32_t ResXMLParser::getNamespacePrefixID() const 1051{ 1052 if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { 1053 return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->prefix.index); 1054 } 1055 return -1; 1056} 1057 1058const uint16_t* ResXMLParser::getNamespacePrefix(size_t* outLen) const 1059{ 1060 int32_t id = getNamespacePrefixID(); 1061 //printf("prefix=%d event=%p\n", id, mEventCode); 1062 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1063} 1064 1065int32_t ResXMLParser::getNamespaceUriID() const 1066{ 1067 if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { 1068 return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->uri.index); 1069 } 1070 return -1; 1071} 1072 1073const uint16_t* ResXMLParser::getNamespaceUri(size_t* outLen) const 1074{ 1075 int32_t id = getNamespaceUriID(); 1076 //printf("uri=%d event=%p\n", id, mEventCode); 1077 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1078} 1079 1080int32_t ResXMLParser::getElementNamespaceID() const 1081{ 1082 if (mEventCode == START_TAG) { 1083 return dtohl(((const ResXMLTree_attrExt*)mCurExt)->ns.index); 1084 } 1085 if (mEventCode == END_TAG) { 1086 return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->ns.index); 1087 } 1088 return -1; 1089} 1090 1091const uint16_t* ResXMLParser::getElementNamespace(size_t* outLen) const 1092{ 1093 int32_t id = getElementNamespaceID(); 1094 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1095} 1096 1097int32_t ResXMLParser::getElementNameID() const 1098{ 1099 if (mEventCode == START_TAG) { 1100 return dtohl(((const ResXMLTree_attrExt*)mCurExt)->name.index); 1101 } 1102 if (mEventCode == END_TAG) { 1103 return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->name.index); 1104 } 1105 return -1; 1106} 1107 1108const uint16_t* ResXMLParser::getElementName(size_t* outLen) const 1109{ 1110 int32_t id = getElementNameID(); 1111 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1112} 1113 1114size_t ResXMLParser::getAttributeCount() const 1115{ 1116 if (mEventCode == START_TAG) { 1117 return dtohs(((const ResXMLTree_attrExt*)mCurExt)->attributeCount); 1118 } 1119 return 0; 1120} 1121 1122int32_t ResXMLParser::getAttributeNamespaceID(size_t idx) const 1123{ 1124 if (mEventCode == START_TAG) { 1125 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1126 if (idx < dtohs(tag->attributeCount)) { 1127 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1128 (((const uint8_t*)tag) 1129 + dtohs(tag->attributeStart) 1130 + (dtohs(tag->attributeSize)*idx)); 1131 return dtohl(attr->ns.index); 1132 } 1133 } 1134 return -2; 1135} 1136 1137const uint16_t* ResXMLParser::getAttributeNamespace(size_t idx, size_t* outLen) const 1138{ 1139 int32_t id = getAttributeNamespaceID(idx); 1140 //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); 1141 //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id)); 1142 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1143} 1144 1145const char* ResXMLParser::getAttributeNamespace8(size_t idx, size_t* outLen) const 1146{ 1147 int32_t id = getAttributeNamespaceID(idx); 1148 //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); 1149 //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id)); 1150 return id >= 0 ? mTree.mStrings.string8At(id, outLen) : NULL; 1151} 1152 1153int32_t ResXMLParser::getAttributeNameID(size_t idx) const 1154{ 1155 if (mEventCode == START_TAG) { 1156 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1157 if (idx < dtohs(tag->attributeCount)) { 1158 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1159 (((const uint8_t*)tag) 1160 + dtohs(tag->attributeStart) 1161 + (dtohs(tag->attributeSize)*idx)); 1162 return dtohl(attr->name.index); 1163 } 1164 } 1165 return -1; 1166} 1167 1168const uint16_t* ResXMLParser::getAttributeName(size_t idx, size_t* outLen) const 1169{ 1170 int32_t id = getAttributeNameID(idx); 1171 //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); 1172 //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id)); 1173 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1174} 1175 1176const char* ResXMLParser::getAttributeName8(size_t idx, size_t* outLen) const 1177{ 1178 int32_t id = getAttributeNameID(idx); 1179 //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); 1180 //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id)); 1181 return id >= 0 ? mTree.mStrings.string8At(id, outLen) : NULL; 1182} 1183 1184uint32_t ResXMLParser::getAttributeNameResID(size_t idx) const 1185{ 1186 int32_t id = getAttributeNameID(idx); 1187 if (id >= 0 && (size_t)id < mTree.mNumResIds) { 1188 return dtohl(mTree.mResIds[id]); 1189 } 1190 return 0; 1191} 1192 1193int32_t ResXMLParser::getAttributeValueStringID(size_t idx) const 1194{ 1195 if (mEventCode == START_TAG) { 1196 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1197 if (idx < dtohs(tag->attributeCount)) { 1198 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1199 (((const uint8_t*)tag) 1200 + dtohs(tag->attributeStart) 1201 + (dtohs(tag->attributeSize)*idx)); 1202 return dtohl(attr->rawValue.index); 1203 } 1204 } 1205 return -1; 1206} 1207 1208const uint16_t* ResXMLParser::getAttributeStringValue(size_t idx, size_t* outLen) const 1209{ 1210 int32_t id = getAttributeValueStringID(idx); 1211 //XML_NOISY(printf("getAttributeValue 0x%x=0x%x\n", idx, id)); 1212 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1213} 1214 1215int32_t ResXMLParser::getAttributeDataType(size_t idx) const 1216{ 1217 if (mEventCode == START_TAG) { 1218 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1219 if (idx < dtohs(tag->attributeCount)) { 1220 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1221 (((const uint8_t*)tag) 1222 + dtohs(tag->attributeStart) 1223 + (dtohs(tag->attributeSize)*idx)); 1224 uint8_t type = attr->typedValue.dataType; 1225 if (type != Res_value::TYPE_DYNAMIC_REFERENCE) { 1226 return type; 1227 } 1228 1229 // This is a dynamic reference. We adjust those references 1230 // to regular references at this level, so lie to the caller. 1231 return Res_value::TYPE_REFERENCE; 1232 } 1233 } 1234 return Res_value::TYPE_NULL; 1235} 1236 1237int32_t ResXMLParser::getAttributeData(size_t idx) const 1238{ 1239 if (mEventCode == START_TAG) { 1240 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1241 if (idx < dtohs(tag->attributeCount)) { 1242 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1243 (((const uint8_t*)tag) 1244 + dtohs(tag->attributeStart) 1245 + (dtohs(tag->attributeSize)*idx)); 1246 if (attr->typedValue.dataType != Res_value::TYPE_DYNAMIC_REFERENCE || 1247 mTree.mDynamicRefTable == NULL) { 1248 return dtohl(attr->typedValue.data); 1249 } 1250 1251 uint32_t data = dtohl(attr->typedValue.data); 1252 if (mTree.mDynamicRefTable->lookupResourceId(&data) == NO_ERROR) { 1253 return data; 1254 } 1255 } 1256 } 1257 return 0; 1258} 1259 1260ssize_t ResXMLParser::getAttributeValue(size_t idx, Res_value* outValue) const 1261{ 1262 if (mEventCode == START_TAG) { 1263 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1264 if (idx < dtohs(tag->attributeCount)) { 1265 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1266 (((const uint8_t*)tag) 1267 + dtohs(tag->attributeStart) 1268 + (dtohs(tag->attributeSize)*idx)); 1269 outValue->copyFrom_dtoh(attr->typedValue); 1270 if (mTree.mDynamicRefTable != NULL && 1271 mTree.mDynamicRefTable->lookupResourceValue(outValue) != NO_ERROR) { 1272 return BAD_TYPE; 1273 } 1274 return sizeof(Res_value); 1275 } 1276 } 1277 return BAD_TYPE; 1278} 1279 1280ssize_t ResXMLParser::indexOfAttribute(const char* ns, const char* attr) const 1281{ 1282 String16 nsStr(ns != NULL ? ns : ""); 1283 String16 attrStr(attr); 1284 return indexOfAttribute(ns ? nsStr.string() : NULL, ns ? nsStr.size() : 0, 1285 attrStr.string(), attrStr.size()); 1286} 1287 1288ssize_t ResXMLParser::indexOfAttribute(const char16_t* ns, size_t nsLen, 1289 const char16_t* attr, size_t attrLen) const 1290{ 1291 if (mEventCode == START_TAG) { 1292 if (attr == NULL) { 1293 return NAME_NOT_FOUND; 1294 } 1295 const size_t N = getAttributeCount(); 1296 if (mTree.mStrings.isUTF8()) { 1297 String8 ns8, attr8; 1298 if (ns != NULL) { 1299 ns8 = String8(ns, nsLen); 1300 } 1301 attr8 = String8(attr, attrLen); 1302 STRING_POOL_NOISY(ALOGI("indexOfAttribute UTF8 %s (%d) / %s (%d)", ns8.string(), nsLen, 1303 attr8.string(), attrLen)); 1304 for (size_t i=0; i<N; i++) { 1305 size_t curNsLen = 0, curAttrLen = 0; 1306 const char* curNs = getAttributeNamespace8(i, &curNsLen); 1307 const char* curAttr = getAttributeName8(i, &curAttrLen); 1308 STRING_POOL_NOISY(ALOGI(" curNs=%s (%d), curAttr=%s (%d)", curNs, curNsLen, 1309 curAttr, curAttrLen)); 1310 if (curAttr != NULL && curNsLen == nsLen && curAttrLen == attrLen 1311 && memcmp(attr8.string(), curAttr, attrLen) == 0) { 1312 if (ns == NULL) { 1313 if (curNs == NULL) { 1314 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1315 return i; 1316 } 1317 } else if (curNs != NULL) { 1318 //printf(" --> ns=%s, curNs=%s\n", 1319 // String8(ns).string(), String8(curNs).string()); 1320 if (memcmp(ns8.string(), curNs, nsLen) == 0) { 1321 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1322 return i; 1323 } 1324 } 1325 } 1326 } 1327 } else { 1328 STRING_POOL_NOISY(ALOGI("indexOfAttribute UTF16 %s (%d) / %s (%d)", 1329 String8(ns, nsLen).string(), nsLen, 1330 String8(attr, attrLen).string(), attrLen)); 1331 for (size_t i=0; i<N; i++) { 1332 size_t curNsLen = 0, curAttrLen = 0; 1333 const char16_t* curNs = getAttributeNamespace(i, &curNsLen); 1334 const char16_t* curAttr = getAttributeName(i, &curAttrLen); 1335 STRING_POOL_NOISY(ALOGI(" curNs=%s (%d), curAttr=%s (%d)", 1336 String8(curNs, curNsLen).string(), curNsLen, 1337 String8(curAttr, curAttrLen).string(), curAttrLen)); 1338 if (curAttr != NULL && curNsLen == nsLen && curAttrLen == attrLen 1339 && (memcmp(attr, curAttr, attrLen*sizeof(char16_t)) == 0)) { 1340 if (ns == NULL) { 1341 if (curNs == NULL) { 1342 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1343 return i; 1344 } 1345 } else if (curNs != NULL) { 1346 //printf(" --> ns=%s, curNs=%s\n", 1347 // String8(ns).string(), String8(curNs).string()); 1348 if (memcmp(ns, curNs, nsLen*sizeof(char16_t)) == 0) { 1349 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1350 return i; 1351 } 1352 } 1353 } 1354 } 1355 } 1356 } 1357 1358 return NAME_NOT_FOUND; 1359} 1360 1361ssize_t ResXMLParser::indexOfID() const 1362{ 1363 if (mEventCode == START_TAG) { 1364 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->idIndex); 1365 if (idx > 0) return (idx-1); 1366 } 1367 return NAME_NOT_FOUND; 1368} 1369 1370ssize_t ResXMLParser::indexOfClass() const 1371{ 1372 if (mEventCode == START_TAG) { 1373 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->classIndex); 1374 if (idx > 0) return (idx-1); 1375 } 1376 return NAME_NOT_FOUND; 1377} 1378 1379ssize_t ResXMLParser::indexOfStyle() const 1380{ 1381 if (mEventCode == START_TAG) { 1382 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->styleIndex); 1383 if (idx > 0) return (idx-1); 1384 } 1385 return NAME_NOT_FOUND; 1386} 1387 1388ResXMLParser::event_code_t ResXMLParser::nextNode() 1389{ 1390 if (mEventCode < 0) { 1391 return mEventCode; 1392 } 1393 1394 do { 1395 const ResXMLTree_node* next = (const ResXMLTree_node*) 1396 (((const uint8_t*)mCurNode) + dtohl(mCurNode->header.size)); 1397 //ALOGW("Next node: prev=%p, next=%p\n", mCurNode, next); 1398 1399 if (((const uint8_t*)next) >= mTree.mDataEnd) { 1400 mCurNode = NULL; 1401 return (mEventCode=END_DOCUMENT); 1402 } 1403 1404 if (mTree.validateNode(next) != NO_ERROR) { 1405 mCurNode = NULL; 1406 return (mEventCode=BAD_DOCUMENT); 1407 } 1408 1409 mCurNode = next; 1410 const uint16_t headerSize = dtohs(next->header.headerSize); 1411 const uint32_t totalSize = dtohl(next->header.size); 1412 mCurExt = ((const uint8_t*)next) + headerSize; 1413 size_t minExtSize = 0; 1414 event_code_t eventCode = (event_code_t)dtohs(next->header.type); 1415 switch ((mEventCode=eventCode)) { 1416 case RES_XML_START_NAMESPACE_TYPE: 1417 case RES_XML_END_NAMESPACE_TYPE: 1418 minExtSize = sizeof(ResXMLTree_namespaceExt); 1419 break; 1420 case RES_XML_START_ELEMENT_TYPE: 1421 minExtSize = sizeof(ResXMLTree_attrExt); 1422 break; 1423 case RES_XML_END_ELEMENT_TYPE: 1424 minExtSize = sizeof(ResXMLTree_endElementExt); 1425 break; 1426 case RES_XML_CDATA_TYPE: 1427 minExtSize = sizeof(ResXMLTree_cdataExt); 1428 break; 1429 default: 1430 ALOGW("Unknown XML block: header type %d in node at %d\n", 1431 (int)dtohs(next->header.type), 1432 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader))); 1433 continue; 1434 } 1435 1436 if ((totalSize-headerSize) < minExtSize) { 1437 ALOGW("Bad XML block: header type 0x%x in node at 0x%x has size %d, need %d\n", 1438 (int)dtohs(next->header.type), 1439 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader)), 1440 (int)(totalSize-headerSize), (int)minExtSize); 1441 return (mEventCode=BAD_DOCUMENT); 1442 } 1443 1444 //printf("CurNode=%p, CurExt=%p, headerSize=%d, minExtSize=%d\n", 1445 // mCurNode, mCurExt, headerSize, minExtSize); 1446 1447 return eventCode; 1448 } while (true); 1449} 1450 1451void ResXMLParser::getPosition(ResXMLParser::ResXMLPosition* pos) const 1452{ 1453 pos->eventCode = mEventCode; 1454 pos->curNode = mCurNode; 1455 pos->curExt = mCurExt; 1456} 1457 1458void ResXMLParser::setPosition(const ResXMLParser::ResXMLPosition& pos) 1459{ 1460 mEventCode = pos.eventCode; 1461 mCurNode = pos.curNode; 1462 mCurExt = pos.curExt; 1463} 1464 1465// -------------------------------------------------------------------- 1466 1467static volatile int32_t gCount = 0; 1468 1469ResXMLTree::ResXMLTree(const DynamicRefTable* dynamicRefTable) 1470 : ResXMLParser(*this) 1471 , mDynamicRefTable(dynamicRefTable) 1472 , mError(NO_INIT), mOwnedData(NULL) 1473{ 1474 //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); 1475 restart(); 1476} 1477 1478ResXMLTree::ResXMLTree() 1479 : ResXMLParser(*this) 1480 , mDynamicRefTable(NULL) 1481 , mError(NO_INIT), mOwnedData(NULL) 1482{ 1483 //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); 1484 restart(); 1485} 1486 1487ResXMLTree::~ResXMLTree() 1488{ 1489 //ALOGI("Destroying ResXMLTree in %p #%d\n", this, android_atomic_dec(&gCount)-1); 1490 uninit(); 1491} 1492 1493status_t ResXMLTree::setTo(const void* data, size_t size, bool copyData) 1494{ 1495 uninit(); 1496 mEventCode = START_DOCUMENT; 1497 1498 if (!data || !size) { 1499 return (mError=BAD_TYPE); 1500 } 1501 1502 if (copyData) { 1503 mOwnedData = malloc(size); 1504 if (mOwnedData == NULL) { 1505 return (mError=NO_MEMORY); 1506 } 1507 memcpy(mOwnedData, data, size); 1508 data = mOwnedData; 1509 } 1510 1511 mHeader = (const ResXMLTree_header*)data; 1512 mSize = dtohl(mHeader->header.size); 1513 if (dtohs(mHeader->header.headerSize) > mSize || mSize > size) { 1514 ALOGW("Bad XML block: header size %d or total size %d is larger than data size %d\n", 1515 (int)dtohs(mHeader->header.headerSize), 1516 (int)dtohl(mHeader->header.size), (int)size); 1517 mError = BAD_TYPE; 1518 restart(); 1519 return mError; 1520 } 1521 mDataEnd = ((const uint8_t*)mHeader) + mSize; 1522 1523 mStrings.uninit(); 1524 mRootNode = NULL; 1525 mResIds = NULL; 1526 mNumResIds = 0; 1527 1528 // First look for a couple interesting chunks: the string block 1529 // and first XML node. 1530 const ResChunk_header* chunk = 1531 (const ResChunk_header*)(((const uint8_t*)mHeader) + dtohs(mHeader->header.headerSize)); 1532 const ResChunk_header* lastChunk = chunk; 1533 while (((const uint8_t*)chunk) < (mDataEnd-sizeof(ResChunk_header)) && 1534 ((const uint8_t*)chunk) < (mDataEnd-dtohl(chunk->size))) { 1535 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), mDataEnd, "XML"); 1536 if (err != NO_ERROR) { 1537 mError = err; 1538 goto done; 1539 } 1540 const uint16_t type = dtohs(chunk->type); 1541 const size_t size = dtohl(chunk->size); 1542 XML_NOISY(printf("Scanning @ %p: type=0x%x, size=0x%x\n", 1543 (void*)(((uint32_t)chunk)-((uint32_t)mHeader)), type, size)); 1544 if (type == RES_STRING_POOL_TYPE) { 1545 mStrings.setTo(chunk, size); 1546 } else if (type == RES_XML_RESOURCE_MAP_TYPE) { 1547 mResIds = (const uint32_t*) 1548 (((const uint8_t*)chunk)+dtohs(chunk->headerSize)); 1549 mNumResIds = (dtohl(chunk->size)-dtohs(chunk->headerSize))/sizeof(uint32_t); 1550 } else if (type >= RES_XML_FIRST_CHUNK_TYPE 1551 && type <= RES_XML_LAST_CHUNK_TYPE) { 1552 if (validateNode((const ResXMLTree_node*)chunk) != NO_ERROR) { 1553 mError = BAD_TYPE; 1554 goto done; 1555 } 1556 mCurNode = (const ResXMLTree_node*)lastChunk; 1557 if (nextNode() == BAD_DOCUMENT) { 1558 mError = BAD_TYPE; 1559 goto done; 1560 } 1561 mRootNode = mCurNode; 1562 mRootExt = mCurExt; 1563 mRootCode = mEventCode; 1564 break; 1565 } else { 1566 XML_NOISY(printf("Skipping unknown chunk!\n")); 1567 } 1568 lastChunk = chunk; 1569 chunk = (const ResChunk_header*) 1570 (((const uint8_t*)chunk) + size); 1571 } 1572 1573 if (mRootNode == NULL) { 1574 ALOGW("Bad XML block: no root element node found\n"); 1575 mError = BAD_TYPE; 1576 goto done; 1577 } 1578 1579 mError = mStrings.getError(); 1580 1581done: 1582 restart(); 1583 return mError; 1584} 1585 1586status_t ResXMLTree::getError() const 1587{ 1588 return mError; 1589} 1590 1591void ResXMLTree::uninit() 1592{ 1593 mError = NO_INIT; 1594 mStrings.uninit(); 1595 if (mOwnedData) { 1596 free(mOwnedData); 1597 mOwnedData = NULL; 1598 } 1599 restart(); 1600} 1601 1602status_t ResXMLTree::validateNode(const ResXMLTree_node* node) const 1603{ 1604 const uint16_t eventCode = dtohs(node->header.type); 1605 1606 status_t err = validate_chunk( 1607 &node->header, sizeof(ResXMLTree_node), 1608 mDataEnd, "ResXMLTree_node"); 1609 1610 if (err >= NO_ERROR) { 1611 // Only perform additional validation on START nodes 1612 if (eventCode != RES_XML_START_ELEMENT_TYPE) { 1613 return NO_ERROR; 1614 } 1615 1616 const uint16_t headerSize = dtohs(node->header.headerSize); 1617 const uint32_t size = dtohl(node->header.size); 1618 const ResXMLTree_attrExt* attrExt = (const ResXMLTree_attrExt*) 1619 (((const uint8_t*)node) + headerSize); 1620 // check for sensical values pulled out of the stream so far... 1621 if ((size >= headerSize + sizeof(ResXMLTree_attrExt)) 1622 && ((void*)attrExt > (void*)node)) { 1623 const size_t attrSize = ((size_t)dtohs(attrExt->attributeSize)) 1624 * dtohs(attrExt->attributeCount); 1625 if ((dtohs(attrExt->attributeStart)+attrSize) <= (size-headerSize)) { 1626 return NO_ERROR; 1627 } 1628 ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1629 (unsigned int)(dtohs(attrExt->attributeStart)+attrSize), 1630 (unsigned int)(size-headerSize)); 1631 } 1632 else { 1633 ALOGW("Bad XML start block: node header size 0x%x, size 0x%x\n", 1634 (unsigned int)headerSize, (unsigned int)size); 1635 } 1636 return BAD_TYPE; 1637 } 1638 1639 return err; 1640 1641#if 0 1642 const bool isStart = dtohs(node->header.type) == RES_XML_START_ELEMENT_TYPE; 1643 1644 const uint16_t headerSize = dtohs(node->header.headerSize); 1645 const uint32_t size = dtohl(node->header.size); 1646 1647 if (headerSize >= (isStart ? sizeof(ResXMLTree_attrNode) : sizeof(ResXMLTree_node))) { 1648 if (size >= headerSize) { 1649 if (((const uint8_t*)node) <= (mDataEnd-size)) { 1650 if (!isStart) { 1651 return NO_ERROR; 1652 } 1653 if ((((size_t)dtohs(node->attributeSize))*dtohs(node->attributeCount)) 1654 <= (size-headerSize)) { 1655 return NO_ERROR; 1656 } 1657 ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1658 ((int)dtohs(node->attributeSize))*dtohs(node->attributeCount), 1659 (int)(size-headerSize)); 1660 return BAD_TYPE; 1661 } 1662 ALOGW("Bad XML block: node at 0x%x extends beyond data end 0x%x\n", 1663 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), (int)mSize); 1664 return BAD_TYPE; 1665 } 1666 ALOGW("Bad XML block: node at 0x%x header size 0x%x smaller than total size 0x%x\n", 1667 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1668 (int)headerSize, (int)size); 1669 return BAD_TYPE; 1670 } 1671 ALOGW("Bad XML block: node at 0x%x header size 0x%x too small\n", 1672 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1673 (int)headerSize); 1674 return BAD_TYPE; 1675#endif 1676} 1677 1678// -------------------------------------------------------------------- 1679// -------------------------------------------------------------------- 1680// -------------------------------------------------------------------- 1681 1682void ResTable_config::copyFromDeviceNoSwap(const ResTable_config& o) { 1683 const size_t size = dtohl(o.size); 1684 if (size >= sizeof(ResTable_config)) { 1685 *this = o; 1686 } else { 1687 memcpy(this, &o, size); 1688 memset(((uint8_t*)this)+size, 0, sizeof(ResTable_config)-size); 1689 } 1690} 1691 1692/* static */ size_t unpackLanguageOrRegion(const char in[2], const char base, 1693 char out[4]) { 1694 if (in[0] & 0x80) { 1695 // The high bit is "1", which means this is a packed three letter 1696 // language code. 1697 1698 // The smallest 5 bits of the second char are the first alphabet. 1699 const uint8_t first = in[1] & 0x1f; 1700 // The last three bits of the second char and the first two bits 1701 // of the first char are the second alphabet. 1702 const uint8_t second = ((in[1] & 0xe0) >> 5) + ((in[0] & 0x03) << 3); 1703 // Bits 3 to 7 (inclusive) of the first char are the third alphabet. 1704 const uint8_t third = (in[0] & 0x7c) >> 2; 1705 1706 out[0] = first + base; 1707 out[1] = second + base; 1708 out[2] = third + base; 1709 out[3] = 0; 1710 1711 return 3; 1712 } 1713 1714 if (in[0]) { 1715 memcpy(out, in, 2); 1716 memset(out + 2, 0, 2); 1717 return 2; 1718 } 1719 1720 memset(out, 0, 4); 1721 return 0; 1722} 1723 1724/* static */ void packLanguageOrRegion(const char* in, const char base, 1725 char out[2]) { 1726 if (in[2] == 0 || in[2] == '-') { 1727 out[0] = in[0]; 1728 out[1] = in[1]; 1729 } else { 1730 uint8_t first = (in[0] - base) & 0x007f; 1731 uint8_t second = (in[1] - base) & 0x007f; 1732 uint8_t third = (in[2] - base) & 0x007f; 1733 1734 out[0] = (0x80 | (third << 2) | (second >> 3)); 1735 out[1] = ((second << 5) | first); 1736 } 1737} 1738 1739 1740void ResTable_config::packLanguage(const char* language) { 1741 packLanguageOrRegion(language, 'a', this->language); 1742} 1743 1744void ResTable_config::packRegion(const char* region) { 1745 packLanguageOrRegion(region, '0', this->country); 1746} 1747 1748size_t ResTable_config::unpackLanguage(char language[4]) const { 1749 return unpackLanguageOrRegion(this->language, 'a', language); 1750} 1751 1752size_t ResTable_config::unpackRegion(char region[4]) const { 1753 return unpackLanguageOrRegion(this->country, '0', region); 1754} 1755 1756 1757void ResTable_config::copyFromDtoH(const ResTable_config& o) { 1758 copyFromDeviceNoSwap(o); 1759 size = sizeof(ResTable_config); 1760 mcc = dtohs(mcc); 1761 mnc = dtohs(mnc); 1762 density = dtohs(density); 1763 screenWidth = dtohs(screenWidth); 1764 screenHeight = dtohs(screenHeight); 1765 sdkVersion = dtohs(sdkVersion); 1766 minorVersion = dtohs(minorVersion); 1767 smallestScreenWidthDp = dtohs(smallestScreenWidthDp); 1768 screenWidthDp = dtohs(screenWidthDp); 1769 screenHeightDp = dtohs(screenHeightDp); 1770} 1771 1772void ResTable_config::swapHtoD() { 1773 size = htodl(size); 1774 mcc = htods(mcc); 1775 mnc = htods(mnc); 1776 density = htods(density); 1777 screenWidth = htods(screenWidth); 1778 screenHeight = htods(screenHeight); 1779 sdkVersion = htods(sdkVersion); 1780 minorVersion = htods(minorVersion); 1781 smallestScreenWidthDp = htods(smallestScreenWidthDp); 1782 screenWidthDp = htods(screenWidthDp); 1783 screenHeightDp = htods(screenHeightDp); 1784} 1785 1786/* static */ inline int compareLocales(const ResTable_config &l, const ResTable_config &r) { 1787 if (l.locale != r.locale) { 1788 // NOTE: This is the old behaviour with respect to comparison orders. 1789 // The diff value here doesn't make much sense (given our bit packing scheme) 1790 // but it's stable, and that's all we need. 1791 return l.locale - r.locale; 1792 } 1793 1794 // The language & region are equal, so compare the scripts and variants. 1795 int script = memcmp(l.localeScript, r.localeScript, sizeof(l.localeScript)); 1796 if (script) { 1797 return script; 1798 } 1799 1800 // The language, region and script are equal, so compare variants. 1801 // 1802 // This should happen very infrequently (if at all.) 1803 return memcmp(l.localeVariant, r.localeVariant, sizeof(l.localeVariant)); 1804} 1805 1806int ResTable_config::compare(const ResTable_config& o) const { 1807 int32_t diff = (int32_t)(imsi - o.imsi); 1808 if (diff != 0) return diff; 1809 diff = compareLocales(*this, o); 1810 if (diff != 0) return diff; 1811 diff = (int32_t)(screenType - o.screenType); 1812 if (diff != 0) return diff; 1813 diff = (int32_t)(input - o.input); 1814 if (diff != 0) return diff; 1815 diff = (int32_t)(screenSize - o.screenSize); 1816 if (diff != 0) return diff; 1817 diff = (int32_t)(version - o.version); 1818 if (diff != 0) return diff; 1819 diff = (int32_t)(screenLayout - o.screenLayout); 1820 if (diff != 0) return diff; 1821 diff = (int32_t)(uiMode - o.uiMode); 1822 if (diff != 0) return diff; 1823 diff = (int32_t)(smallestScreenWidthDp - o.smallestScreenWidthDp); 1824 if (diff != 0) return diff; 1825 diff = (int32_t)(screenSizeDp - o.screenSizeDp); 1826 return (int)diff; 1827} 1828 1829int ResTable_config::compareLogical(const ResTable_config& o) const { 1830 if (mcc != o.mcc) { 1831 return mcc < o.mcc ? -1 : 1; 1832 } 1833 if (mnc != o.mnc) { 1834 return mnc < o.mnc ? -1 : 1; 1835 } 1836 1837 int diff = compareLocales(*this, o); 1838 if (diff < 0) { 1839 return -1; 1840 } 1841 if (diff > 0) { 1842 return 1; 1843 } 1844 1845 if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) { 1846 return (screenLayout & MASK_LAYOUTDIR) < (o.screenLayout & MASK_LAYOUTDIR) ? -1 : 1; 1847 } 1848 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1849 return smallestScreenWidthDp < o.smallestScreenWidthDp ? -1 : 1; 1850 } 1851 if (screenWidthDp != o.screenWidthDp) { 1852 return screenWidthDp < o.screenWidthDp ? -1 : 1; 1853 } 1854 if (screenHeightDp != o.screenHeightDp) { 1855 return screenHeightDp < o.screenHeightDp ? -1 : 1; 1856 } 1857 if (screenWidth != o.screenWidth) { 1858 return screenWidth < o.screenWidth ? -1 : 1; 1859 } 1860 if (screenHeight != o.screenHeight) { 1861 return screenHeight < o.screenHeight ? -1 : 1; 1862 } 1863 if (density != o.density) { 1864 return density < o.density ? -1 : 1; 1865 } 1866 if (orientation != o.orientation) { 1867 return orientation < o.orientation ? -1 : 1; 1868 } 1869 if (touchscreen != o.touchscreen) { 1870 return touchscreen < o.touchscreen ? -1 : 1; 1871 } 1872 if (input != o.input) { 1873 return input < o.input ? -1 : 1; 1874 } 1875 if (screenLayout != o.screenLayout) { 1876 return screenLayout < o.screenLayout ? -1 : 1; 1877 } 1878 if (uiMode != o.uiMode) { 1879 return uiMode < o.uiMode ? -1 : 1; 1880 } 1881 if (version != o.version) { 1882 return version < o.version ? -1 : 1; 1883 } 1884 return 0; 1885} 1886 1887int ResTable_config::diff(const ResTable_config& o) const { 1888 int diffs = 0; 1889 if (mcc != o.mcc) diffs |= CONFIG_MCC; 1890 if (mnc != o.mnc) diffs |= CONFIG_MNC; 1891 if (orientation != o.orientation) diffs |= CONFIG_ORIENTATION; 1892 if (density != o.density) diffs |= CONFIG_DENSITY; 1893 if (touchscreen != o.touchscreen) diffs |= CONFIG_TOUCHSCREEN; 1894 if (((inputFlags^o.inputFlags)&(MASK_KEYSHIDDEN|MASK_NAVHIDDEN)) != 0) 1895 diffs |= CONFIG_KEYBOARD_HIDDEN; 1896 if (keyboard != o.keyboard) diffs |= CONFIG_KEYBOARD; 1897 if (navigation != o.navigation) diffs |= CONFIG_NAVIGATION; 1898 if (screenSize != o.screenSize) diffs |= CONFIG_SCREEN_SIZE; 1899 if (version != o.version) diffs |= CONFIG_VERSION; 1900 if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) diffs |= CONFIG_LAYOUTDIR; 1901 if ((screenLayout & ~MASK_LAYOUTDIR) != (o.screenLayout & ~MASK_LAYOUTDIR)) diffs |= CONFIG_SCREEN_LAYOUT; 1902 if (uiMode != o.uiMode) diffs |= CONFIG_UI_MODE; 1903 if (smallestScreenWidthDp != o.smallestScreenWidthDp) diffs |= CONFIG_SMALLEST_SCREEN_SIZE; 1904 if (screenSizeDp != o.screenSizeDp) diffs |= CONFIG_SCREEN_SIZE; 1905 1906 const int diff = compareLocales(*this, o); 1907 if (diff) diffs |= CONFIG_LOCALE; 1908 1909 return diffs; 1910} 1911 1912int ResTable_config::isLocaleMoreSpecificThan(const ResTable_config& o) const { 1913 if (locale || o.locale) { 1914 if (language[0] != o.language[0]) { 1915 if (!language[0]) return -1; 1916 if (!o.language[0]) return 1; 1917 } 1918 1919 if (country[0] != o.country[0]) { 1920 if (!country[0]) return -1; 1921 if (!o.country[0]) return 1; 1922 } 1923 } 1924 1925 // There isn't a well specified "importance" order between variants and 1926 // scripts. We can't easily tell whether, say "en-Latn-US" is more or less 1927 // specific than "en-US-POSIX". 1928 // 1929 // We therefore arbitrarily decide to give priority to variants over 1930 // scripts since it seems more useful to do so. We will consider 1931 // "en-US-POSIX" to be more specific than "en-Latn-US". 1932 1933 const int score = ((localeScript[0] != 0) ? 1 : 0) + 1934 ((localeVariant[0] != 0) ? 2 : 0); 1935 1936 const int oScore = ((o.localeScript[0] != 0) ? 1 : 0) + 1937 ((o.localeVariant[0] != 0) ? 2 : 0); 1938 1939 return score - oScore; 1940 1941} 1942 1943bool ResTable_config::isMoreSpecificThan(const ResTable_config& o) const { 1944 // The order of the following tests defines the importance of one 1945 // configuration parameter over another. Those tests first are more 1946 // important, trumping any values in those following them. 1947 if (imsi || o.imsi) { 1948 if (mcc != o.mcc) { 1949 if (!mcc) return false; 1950 if (!o.mcc) return true; 1951 } 1952 1953 if (mnc != o.mnc) { 1954 if (!mnc) return false; 1955 if (!o.mnc) return true; 1956 } 1957 } 1958 1959 if (locale || o.locale) { 1960 const int diff = isLocaleMoreSpecificThan(o); 1961 if (diff < 0) { 1962 return false; 1963 } 1964 1965 if (diff > 0) { 1966 return true; 1967 } 1968 } 1969 1970 if (screenLayout || o.screenLayout) { 1971 if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0) { 1972 if (!(screenLayout & MASK_LAYOUTDIR)) return false; 1973 if (!(o.screenLayout & MASK_LAYOUTDIR)) return true; 1974 } 1975 } 1976 1977 if (smallestScreenWidthDp || o.smallestScreenWidthDp) { 1978 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1979 if (!smallestScreenWidthDp) return false; 1980 if (!o.smallestScreenWidthDp) return true; 1981 } 1982 } 1983 1984 if (screenSizeDp || o.screenSizeDp) { 1985 if (screenWidthDp != o.screenWidthDp) { 1986 if (!screenWidthDp) return false; 1987 if (!o.screenWidthDp) return true; 1988 } 1989 1990 if (screenHeightDp != o.screenHeightDp) { 1991 if (!screenHeightDp) return false; 1992 if (!o.screenHeightDp) return true; 1993 } 1994 } 1995 1996 if (screenLayout || o.screenLayout) { 1997 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0) { 1998 if (!(screenLayout & MASK_SCREENSIZE)) return false; 1999 if (!(o.screenLayout & MASK_SCREENSIZE)) return true; 2000 } 2001 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0) { 2002 if (!(screenLayout & MASK_SCREENLONG)) return false; 2003 if (!(o.screenLayout & MASK_SCREENLONG)) return true; 2004 } 2005 } 2006 2007 if (orientation != o.orientation) { 2008 if (!orientation) return false; 2009 if (!o.orientation) return true; 2010 } 2011 2012 if (uiMode || o.uiMode) { 2013 if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0) { 2014 if (!(uiMode & MASK_UI_MODE_TYPE)) return false; 2015 if (!(o.uiMode & MASK_UI_MODE_TYPE)) return true; 2016 } 2017 if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0) { 2018 if (!(uiMode & MASK_UI_MODE_NIGHT)) return false; 2019 if (!(o.uiMode & MASK_UI_MODE_NIGHT)) return true; 2020 } 2021 } 2022 2023 // density is never 'more specific' 2024 // as the default just equals 160 2025 2026 if (touchscreen != o.touchscreen) { 2027 if (!touchscreen) return false; 2028 if (!o.touchscreen) return true; 2029 } 2030 2031 if (input || o.input) { 2032 if (((inputFlags^o.inputFlags) & MASK_KEYSHIDDEN) != 0) { 2033 if (!(inputFlags & MASK_KEYSHIDDEN)) return false; 2034 if (!(o.inputFlags & MASK_KEYSHIDDEN)) return true; 2035 } 2036 2037 if (((inputFlags^o.inputFlags) & MASK_NAVHIDDEN) != 0) { 2038 if (!(inputFlags & MASK_NAVHIDDEN)) return false; 2039 if (!(o.inputFlags & MASK_NAVHIDDEN)) return true; 2040 } 2041 2042 if (keyboard != o.keyboard) { 2043 if (!keyboard) return false; 2044 if (!o.keyboard) return true; 2045 } 2046 2047 if (navigation != o.navigation) { 2048 if (!navigation) return false; 2049 if (!o.navigation) return true; 2050 } 2051 } 2052 2053 if (screenSize || o.screenSize) { 2054 if (screenWidth != o.screenWidth) { 2055 if (!screenWidth) return false; 2056 if (!o.screenWidth) return true; 2057 } 2058 2059 if (screenHeight != o.screenHeight) { 2060 if (!screenHeight) return false; 2061 if (!o.screenHeight) return true; 2062 } 2063 } 2064 2065 if (version || o.version) { 2066 if (sdkVersion != o.sdkVersion) { 2067 if (!sdkVersion) return false; 2068 if (!o.sdkVersion) return true; 2069 } 2070 2071 if (minorVersion != o.minorVersion) { 2072 if (!minorVersion) return false; 2073 if (!o.minorVersion) return true; 2074 } 2075 } 2076 return false; 2077} 2078 2079bool ResTable_config::isBetterThan(const ResTable_config& o, 2080 const ResTable_config* requested) const { 2081 if (requested) { 2082 if (imsi || o.imsi) { 2083 if ((mcc != o.mcc) && requested->mcc) { 2084 return (mcc); 2085 } 2086 2087 if ((mnc != o.mnc) && requested->mnc) { 2088 return (mnc); 2089 } 2090 } 2091 2092 if (locale || o.locale) { 2093 if ((language[0] != o.language[0]) && requested->language[0]) { 2094 return (language[0]); 2095 } 2096 2097 if ((country[0] != o.country[0]) && requested->country[0]) { 2098 return (country[0]); 2099 } 2100 } 2101 2102 if (localeScript[0] || o.localeScript[0]) { 2103 if (localeScript[0] != o.localeScript[0] && requested->localeScript[0]) { 2104 return localeScript[0]; 2105 } 2106 } 2107 2108 if (localeVariant[0] || o.localeVariant[0]) { 2109 if (localeVariant[0] != o.localeVariant[0] && requested->localeVariant[0]) { 2110 return localeVariant[0]; 2111 } 2112 } 2113 2114 if (screenLayout || o.screenLayout) { 2115 if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0 2116 && (requested->screenLayout & MASK_LAYOUTDIR)) { 2117 int myLayoutDir = screenLayout & MASK_LAYOUTDIR; 2118 int oLayoutDir = o.screenLayout & MASK_LAYOUTDIR; 2119 return (myLayoutDir > oLayoutDir); 2120 } 2121 } 2122 2123 if (smallestScreenWidthDp || o.smallestScreenWidthDp) { 2124 // The configuration closest to the actual size is best. 2125 // We assume that larger configs have already been filtered 2126 // out at this point. That means we just want the largest one. 2127 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 2128 return smallestScreenWidthDp > o.smallestScreenWidthDp; 2129 } 2130 } 2131 2132 if (screenSizeDp || o.screenSizeDp) { 2133 // "Better" is based on the sum of the difference between both 2134 // width and height from the requested dimensions. We are 2135 // assuming the invalid configs (with smaller dimens) have 2136 // already been filtered. Note that if a particular dimension 2137 // is unspecified, we will end up with a large value (the 2138 // difference between 0 and the requested dimension), which is 2139 // good since we will prefer a config that has specified a 2140 // dimension value. 2141 int myDelta = 0, otherDelta = 0; 2142 if (requested->screenWidthDp) { 2143 myDelta += requested->screenWidthDp - screenWidthDp; 2144 otherDelta += requested->screenWidthDp - o.screenWidthDp; 2145 } 2146 if (requested->screenHeightDp) { 2147 myDelta += requested->screenHeightDp - screenHeightDp; 2148 otherDelta += requested->screenHeightDp - o.screenHeightDp; 2149 } 2150 //ALOGI("Comparing this %dx%d to other %dx%d in %dx%d: myDelta=%d otherDelta=%d", 2151 // screenWidthDp, screenHeightDp, o.screenWidthDp, o.screenHeightDp, 2152 // requested->screenWidthDp, requested->screenHeightDp, myDelta, otherDelta); 2153 if (myDelta != otherDelta) { 2154 return myDelta < otherDelta; 2155 } 2156 } 2157 2158 if (screenLayout || o.screenLayout) { 2159 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0 2160 && (requested->screenLayout & MASK_SCREENSIZE)) { 2161 // A little backwards compatibility here: undefined is 2162 // considered equivalent to normal. But only if the 2163 // requested size is at least normal; otherwise, small 2164 // is better than the default. 2165 int mySL = (screenLayout & MASK_SCREENSIZE); 2166 int oSL = (o.screenLayout & MASK_SCREENSIZE); 2167 int fixedMySL = mySL; 2168 int fixedOSL = oSL; 2169 if ((requested->screenLayout & MASK_SCREENSIZE) >= SCREENSIZE_NORMAL) { 2170 if (fixedMySL == 0) fixedMySL = SCREENSIZE_NORMAL; 2171 if (fixedOSL == 0) fixedOSL = SCREENSIZE_NORMAL; 2172 } 2173 // For screen size, the best match is the one that is 2174 // closest to the requested screen size, but not over 2175 // (the not over part is dealt with in match() below). 2176 if (fixedMySL == fixedOSL) { 2177 // If the two are the same, but 'this' is actually 2178 // undefined, then the other is really a better match. 2179 if (mySL == 0) return false; 2180 return true; 2181 } 2182 if (fixedMySL != fixedOSL) { 2183 return fixedMySL > fixedOSL; 2184 } 2185 } 2186 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0 2187 && (requested->screenLayout & MASK_SCREENLONG)) { 2188 return (screenLayout & MASK_SCREENLONG); 2189 } 2190 } 2191 2192 if ((orientation != o.orientation) && requested->orientation) { 2193 return (orientation); 2194 } 2195 2196 if (uiMode || o.uiMode) { 2197 if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0 2198 && (requested->uiMode & MASK_UI_MODE_TYPE)) { 2199 return (uiMode & MASK_UI_MODE_TYPE); 2200 } 2201 if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0 2202 && (requested->uiMode & MASK_UI_MODE_NIGHT)) { 2203 return (uiMode & MASK_UI_MODE_NIGHT); 2204 } 2205 } 2206 2207 if (screenType || o.screenType) { 2208 if (density != o.density) { 2209 // Use the system default density (DENSITY_MEDIUM, 160dpi) if none specified. 2210 const int thisDensity = density ? density : int(ResTable_config::DENSITY_MEDIUM); 2211 const int otherDensity = o.density ? o.density : int(ResTable_config::DENSITY_MEDIUM); 2212 2213 // We always prefer DENSITY_ANY over scaling a density bucket. 2214 if (thisDensity == ResTable_config::DENSITY_ANY) { 2215 return true; 2216 } else if (otherDensity == ResTable_config::DENSITY_ANY) { 2217 return false; 2218 } 2219 2220 int requestedDensity = requested->density; 2221 if (requested->density == 0 || 2222 requested->density == ResTable_config::DENSITY_ANY) { 2223 requestedDensity = ResTable_config::DENSITY_MEDIUM; 2224 } 2225 2226 // DENSITY_ANY is now dealt with. We should look to 2227 // pick a density bucket and potentially scale it. 2228 // Any density is potentially useful 2229 // because the system will scale it. Scaling down 2230 // is generally better than scaling up. 2231 int h = thisDensity; 2232 int l = otherDensity; 2233 bool bImBigger = true; 2234 if (l > h) { 2235 int t = h; 2236 h = l; 2237 l = t; 2238 bImBigger = false; 2239 } 2240 2241 if (requestedDensity >= h) { 2242 // requested value higher than both l and h, give h 2243 return bImBigger; 2244 } 2245 if (l >= requestedDensity) { 2246 // requested value lower than both l and h, give l 2247 return !bImBigger; 2248 } 2249 // saying that scaling down is 2x better than up 2250 if (((2 * l) - requestedDensity) * h > requestedDensity * requestedDensity) { 2251 return !bImBigger; 2252 } else { 2253 return bImBigger; 2254 } 2255 } 2256 2257 if ((touchscreen != o.touchscreen) && requested->touchscreen) { 2258 return (touchscreen); 2259 } 2260 } 2261 2262 if (input || o.input) { 2263 const int keysHidden = inputFlags & MASK_KEYSHIDDEN; 2264 const int oKeysHidden = o.inputFlags & MASK_KEYSHIDDEN; 2265 if (keysHidden != oKeysHidden) { 2266 const int reqKeysHidden = 2267 requested->inputFlags & MASK_KEYSHIDDEN; 2268 if (reqKeysHidden) { 2269 2270 if (!keysHidden) return false; 2271 if (!oKeysHidden) return true; 2272 // For compatibility, we count KEYSHIDDEN_NO as being 2273 // the same as KEYSHIDDEN_SOFT. Here we disambiguate 2274 // these by making an exact match more specific. 2275 if (reqKeysHidden == keysHidden) return true; 2276 if (reqKeysHidden == oKeysHidden) return false; 2277 } 2278 } 2279 2280 const int navHidden = inputFlags & MASK_NAVHIDDEN; 2281 const int oNavHidden = o.inputFlags & MASK_NAVHIDDEN; 2282 if (navHidden != oNavHidden) { 2283 const int reqNavHidden = 2284 requested->inputFlags & MASK_NAVHIDDEN; 2285 if (reqNavHidden) { 2286 2287 if (!navHidden) return false; 2288 if (!oNavHidden) return true; 2289 } 2290 } 2291 2292 if ((keyboard != o.keyboard) && requested->keyboard) { 2293 return (keyboard); 2294 } 2295 2296 if ((navigation != o.navigation) && requested->navigation) { 2297 return (navigation); 2298 } 2299 } 2300 2301 if (screenSize || o.screenSize) { 2302 // "Better" is based on the sum of the difference between both 2303 // width and height from the requested dimensions. We are 2304 // assuming the invalid configs (with smaller sizes) have 2305 // already been filtered. Note that if a particular dimension 2306 // is unspecified, we will end up with a large value (the 2307 // difference between 0 and the requested dimension), which is 2308 // good since we will prefer a config that has specified a 2309 // size value. 2310 int myDelta = 0, otherDelta = 0; 2311 if (requested->screenWidth) { 2312 myDelta += requested->screenWidth - screenWidth; 2313 otherDelta += requested->screenWidth - o.screenWidth; 2314 } 2315 if (requested->screenHeight) { 2316 myDelta += requested->screenHeight - screenHeight; 2317 otherDelta += requested->screenHeight - o.screenHeight; 2318 } 2319 if (myDelta != otherDelta) { 2320 return myDelta < otherDelta; 2321 } 2322 } 2323 2324 if (version || o.version) { 2325 if ((sdkVersion != o.sdkVersion) && requested->sdkVersion) { 2326 return (sdkVersion > o.sdkVersion); 2327 } 2328 2329 if ((minorVersion != o.minorVersion) && 2330 requested->minorVersion) { 2331 return (minorVersion); 2332 } 2333 } 2334 2335 return false; 2336 } 2337 return isMoreSpecificThan(o); 2338} 2339 2340bool ResTable_config::match(const ResTable_config& settings) const { 2341 if (imsi != 0) { 2342 if (mcc != 0 && mcc != settings.mcc) { 2343 return false; 2344 } 2345 if (mnc != 0 && mnc != settings.mnc) { 2346 return false; 2347 } 2348 } 2349 if (locale != 0) { 2350 // Don't consider the script & variants when deciding matches. 2351 // 2352 // If we two configs differ only in their script or language, they 2353 // can be weeded out in the isMoreSpecificThan test. 2354 if (language[0] != 0 2355 && (language[0] != settings.language[0] 2356 || language[1] != settings.language[1])) { 2357 return false; 2358 } 2359 2360 if (country[0] != 0 2361 && (country[0] != settings.country[0] 2362 || country[1] != settings.country[1])) { 2363 return false; 2364 } 2365 } 2366 2367 if (screenConfig != 0) { 2368 const int layoutDir = screenLayout&MASK_LAYOUTDIR; 2369 const int setLayoutDir = settings.screenLayout&MASK_LAYOUTDIR; 2370 if (layoutDir != 0 && layoutDir != setLayoutDir) { 2371 return false; 2372 } 2373 2374 const int screenSize = screenLayout&MASK_SCREENSIZE; 2375 const int setScreenSize = settings.screenLayout&MASK_SCREENSIZE; 2376 // Any screen sizes for larger screens than the setting do not 2377 // match. 2378 if (screenSize != 0 && screenSize > setScreenSize) { 2379 return false; 2380 } 2381 2382 const int screenLong = screenLayout&MASK_SCREENLONG; 2383 const int setScreenLong = settings.screenLayout&MASK_SCREENLONG; 2384 if (screenLong != 0 && screenLong != setScreenLong) { 2385 return false; 2386 } 2387 2388 const int uiModeType = uiMode&MASK_UI_MODE_TYPE; 2389 const int setUiModeType = settings.uiMode&MASK_UI_MODE_TYPE; 2390 if (uiModeType != 0 && uiModeType != setUiModeType) { 2391 return false; 2392 } 2393 2394 const int uiModeNight = uiMode&MASK_UI_MODE_NIGHT; 2395 const int setUiModeNight = settings.uiMode&MASK_UI_MODE_NIGHT; 2396 if (uiModeNight != 0 && uiModeNight != setUiModeNight) { 2397 return false; 2398 } 2399 2400 if (smallestScreenWidthDp != 0 2401 && smallestScreenWidthDp > settings.smallestScreenWidthDp) { 2402 return false; 2403 } 2404 } 2405 if (screenSizeDp != 0) { 2406 if (screenWidthDp != 0 && screenWidthDp > settings.screenWidthDp) { 2407 //ALOGI("Filtering out width %d in requested %d", screenWidthDp, settings.screenWidthDp); 2408 return false; 2409 } 2410 if (screenHeightDp != 0 && screenHeightDp > settings.screenHeightDp) { 2411 //ALOGI("Filtering out height %d in requested %d", screenHeightDp, settings.screenHeightDp); 2412 return false; 2413 } 2414 } 2415 if (screenType != 0) { 2416 if (orientation != 0 && orientation != settings.orientation) { 2417 return false; 2418 } 2419 // density always matches - we can scale it. See isBetterThan 2420 if (touchscreen != 0 && touchscreen != settings.touchscreen) { 2421 return false; 2422 } 2423 } 2424 if (input != 0) { 2425 const int keysHidden = inputFlags&MASK_KEYSHIDDEN; 2426 const int setKeysHidden = settings.inputFlags&MASK_KEYSHIDDEN; 2427 if (keysHidden != 0 && keysHidden != setKeysHidden) { 2428 // For compatibility, we count a request for KEYSHIDDEN_NO as also 2429 // matching the more recent KEYSHIDDEN_SOFT. Basically 2430 // KEYSHIDDEN_NO means there is some kind of keyboard available. 2431 //ALOGI("Matching keysHidden: have=%d, config=%d\n", keysHidden, setKeysHidden); 2432 if (keysHidden != KEYSHIDDEN_NO || setKeysHidden != KEYSHIDDEN_SOFT) { 2433 //ALOGI("No match!"); 2434 return false; 2435 } 2436 } 2437 const int navHidden = inputFlags&MASK_NAVHIDDEN; 2438 const int setNavHidden = settings.inputFlags&MASK_NAVHIDDEN; 2439 if (navHidden != 0 && navHidden != setNavHidden) { 2440 return false; 2441 } 2442 if (keyboard != 0 && keyboard != settings.keyboard) { 2443 return false; 2444 } 2445 if (navigation != 0 && navigation != settings.navigation) { 2446 return false; 2447 } 2448 } 2449 if (screenSize != 0) { 2450 if (screenWidth != 0 && screenWidth > settings.screenWidth) { 2451 return false; 2452 } 2453 if (screenHeight != 0 && screenHeight > settings.screenHeight) { 2454 return false; 2455 } 2456 } 2457 if (version != 0) { 2458 if (sdkVersion != 0 && sdkVersion > settings.sdkVersion) { 2459 return false; 2460 } 2461 if (minorVersion != 0 && minorVersion != settings.minorVersion) { 2462 return false; 2463 } 2464 } 2465 return true; 2466} 2467 2468void ResTable_config::getBcp47Locale(char str[RESTABLE_MAX_LOCALE_LEN]) const { 2469 memset(str, 0, RESTABLE_MAX_LOCALE_LEN); 2470 2471 // This represents the "any" locale value, which has traditionally been 2472 // represented by the empty string. 2473 if (!language[0] && !country[0]) { 2474 return; 2475 } 2476 2477 size_t charsWritten = 0; 2478 if (language[0]) { 2479 charsWritten += unpackLanguage(str); 2480 } 2481 2482 if (localeScript[0]) { 2483 if (charsWritten) { 2484 str[charsWritten++] = '-'; 2485 } 2486 memcpy(str + charsWritten, localeScript, sizeof(localeScript)); 2487 charsWritten += sizeof(localeScript); 2488 } 2489 2490 if (country[0]) { 2491 if (charsWritten) { 2492 str[charsWritten++] = '-'; 2493 } 2494 charsWritten += unpackRegion(str + charsWritten); 2495 } 2496 2497 if (localeVariant[0]) { 2498 if (charsWritten) { 2499 str[charsWritten++] = '-'; 2500 } 2501 memcpy(str + charsWritten, localeVariant, sizeof(localeVariant)); 2502 } 2503} 2504 2505/* static */ inline bool assignLocaleComponent(ResTable_config* config, 2506 const char* start, size_t size) { 2507 2508 switch (size) { 2509 case 0: 2510 return false; 2511 case 2: 2512 case 3: 2513 config->language[0] ? config->packRegion(start) : config->packLanguage(start); 2514 break; 2515 case 4: 2516 config->localeScript[0] = toupper(start[0]); 2517 for (size_t i = 1; i < 4; ++i) { 2518 config->localeScript[i] = tolower(start[i]); 2519 } 2520 break; 2521 case 5: 2522 case 6: 2523 case 7: 2524 case 8: 2525 for (size_t i = 0; i < size; ++i) { 2526 config->localeVariant[i] = tolower(start[i]); 2527 } 2528 break; 2529 default: 2530 return false; 2531 } 2532 2533 return true; 2534} 2535 2536void ResTable_config::setBcp47Locale(const char* in) { 2537 locale = 0; 2538 memset(localeScript, 0, sizeof(localeScript)); 2539 memset(localeVariant, 0, sizeof(localeVariant)); 2540 2541 const char* separator = in; 2542 const char* start = in; 2543 while ((separator = strchr(start, '-')) != NULL) { 2544 const size_t size = separator - start; 2545 if (!assignLocaleComponent(this, start, size)) { 2546 fprintf(stderr, "Invalid BCP-47 locale string: %s", in); 2547 } 2548 2549 start = (separator + 1); 2550 } 2551 2552 const size_t size = in + strlen(in) - start; 2553 assignLocaleComponent(this, start, size); 2554} 2555 2556String8 ResTable_config::toString() const { 2557 String8 res; 2558 2559 if (mcc != 0) { 2560 if (res.size() > 0) res.append("-"); 2561 res.appendFormat("mcc%d", dtohs(mcc)); 2562 } 2563 if (mnc != 0) { 2564 if (res.size() > 0) res.append("-"); 2565 res.appendFormat("mnc%d", dtohs(mnc)); 2566 } 2567 2568 char localeStr[RESTABLE_MAX_LOCALE_LEN]; 2569 getBcp47Locale(localeStr); 2570 if (strlen(localeStr) > 0) { 2571 if (res.size() > 0) res.append("-"); 2572 res.append(localeStr); 2573 } 2574 2575 if ((screenLayout&MASK_LAYOUTDIR) != 0) { 2576 if (res.size() > 0) res.append("-"); 2577 switch (screenLayout&ResTable_config::MASK_LAYOUTDIR) { 2578 case ResTable_config::LAYOUTDIR_LTR: 2579 res.append("ldltr"); 2580 break; 2581 case ResTable_config::LAYOUTDIR_RTL: 2582 res.append("ldrtl"); 2583 break; 2584 default: 2585 res.appendFormat("layoutDir=%d", 2586 dtohs(screenLayout&ResTable_config::MASK_LAYOUTDIR)); 2587 break; 2588 } 2589 } 2590 if (smallestScreenWidthDp != 0) { 2591 if (res.size() > 0) res.append("-"); 2592 res.appendFormat("sw%ddp", dtohs(smallestScreenWidthDp)); 2593 } 2594 if (screenWidthDp != 0) { 2595 if (res.size() > 0) res.append("-"); 2596 res.appendFormat("w%ddp", dtohs(screenWidthDp)); 2597 } 2598 if (screenHeightDp != 0) { 2599 if (res.size() > 0) res.append("-"); 2600 res.appendFormat("h%ddp", dtohs(screenHeightDp)); 2601 } 2602 if ((screenLayout&MASK_SCREENSIZE) != SCREENSIZE_ANY) { 2603 if (res.size() > 0) res.append("-"); 2604 switch (screenLayout&ResTable_config::MASK_SCREENSIZE) { 2605 case ResTable_config::SCREENSIZE_SMALL: 2606 res.append("small"); 2607 break; 2608 case ResTable_config::SCREENSIZE_NORMAL: 2609 res.append("normal"); 2610 break; 2611 case ResTable_config::SCREENSIZE_LARGE: 2612 res.append("large"); 2613 break; 2614 case ResTable_config::SCREENSIZE_XLARGE: 2615 res.append("xlarge"); 2616 break; 2617 default: 2618 res.appendFormat("screenLayoutSize=%d", 2619 dtohs(screenLayout&ResTable_config::MASK_SCREENSIZE)); 2620 break; 2621 } 2622 } 2623 if ((screenLayout&MASK_SCREENLONG) != 0) { 2624 if (res.size() > 0) res.append("-"); 2625 switch (screenLayout&ResTable_config::MASK_SCREENLONG) { 2626 case ResTable_config::SCREENLONG_NO: 2627 res.append("notlong"); 2628 break; 2629 case ResTable_config::SCREENLONG_YES: 2630 res.append("long"); 2631 break; 2632 default: 2633 res.appendFormat("screenLayoutLong=%d", 2634 dtohs(screenLayout&ResTable_config::MASK_SCREENLONG)); 2635 break; 2636 } 2637 } 2638 if (orientation != ORIENTATION_ANY) { 2639 if (res.size() > 0) res.append("-"); 2640 switch (orientation) { 2641 case ResTable_config::ORIENTATION_PORT: 2642 res.append("port"); 2643 break; 2644 case ResTable_config::ORIENTATION_LAND: 2645 res.append("land"); 2646 break; 2647 case ResTable_config::ORIENTATION_SQUARE: 2648 res.append("square"); 2649 break; 2650 default: 2651 res.appendFormat("orientation=%d", dtohs(orientation)); 2652 break; 2653 } 2654 } 2655 if ((uiMode&MASK_UI_MODE_TYPE) != UI_MODE_TYPE_ANY) { 2656 if (res.size() > 0) res.append("-"); 2657 switch (uiMode&ResTable_config::MASK_UI_MODE_TYPE) { 2658 case ResTable_config::UI_MODE_TYPE_DESK: 2659 res.append("desk"); 2660 break; 2661 case ResTable_config::UI_MODE_TYPE_CAR: 2662 res.append("car"); 2663 break; 2664 case ResTable_config::UI_MODE_TYPE_TELEVISION: 2665 res.append("television"); 2666 break; 2667 case ResTable_config::UI_MODE_TYPE_APPLIANCE: 2668 res.append("appliance"); 2669 break; 2670 case ResTable_config::UI_MODE_TYPE_WATCH: 2671 res.append("watch"); 2672 break; 2673 default: 2674 res.appendFormat("uiModeType=%d", 2675 dtohs(screenLayout&ResTable_config::MASK_UI_MODE_TYPE)); 2676 break; 2677 } 2678 } 2679 if ((uiMode&MASK_UI_MODE_NIGHT) != 0) { 2680 if (res.size() > 0) res.append("-"); 2681 switch (uiMode&ResTable_config::MASK_UI_MODE_NIGHT) { 2682 case ResTable_config::UI_MODE_NIGHT_NO: 2683 res.append("notnight"); 2684 break; 2685 case ResTable_config::UI_MODE_NIGHT_YES: 2686 res.append("night"); 2687 break; 2688 default: 2689 res.appendFormat("uiModeNight=%d", 2690 dtohs(uiMode&MASK_UI_MODE_NIGHT)); 2691 break; 2692 } 2693 } 2694 if (density != DENSITY_DEFAULT) { 2695 if (res.size() > 0) res.append("-"); 2696 switch (density) { 2697 case ResTable_config::DENSITY_LOW: 2698 res.append("ldpi"); 2699 break; 2700 case ResTable_config::DENSITY_MEDIUM: 2701 res.append("mdpi"); 2702 break; 2703 case ResTable_config::DENSITY_TV: 2704 res.append("tvdpi"); 2705 break; 2706 case ResTable_config::DENSITY_HIGH: 2707 res.append("hdpi"); 2708 break; 2709 case ResTable_config::DENSITY_XHIGH: 2710 res.append("xhdpi"); 2711 break; 2712 case ResTable_config::DENSITY_XXHIGH: 2713 res.append("xxhdpi"); 2714 break; 2715 case ResTable_config::DENSITY_XXXHIGH: 2716 res.append("xxxhdpi"); 2717 break; 2718 case ResTable_config::DENSITY_NONE: 2719 res.append("nodpi"); 2720 break; 2721 case ResTable_config::DENSITY_ANY: 2722 res.append("anydpi"); 2723 break; 2724 default: 2725 res.appendFormat("%ddpi", dtohs(density)); 2726 break; 2727 } 2728 } 2729 if (touchscreen != TOUCHSCREEN_ANY) { 2730 if (res.size() > 0) res.append("-"); 2731 switch (touchscreen) { 2732 case ResTable_config::TOUCHSCREEN_NOTOUCH: 2733 res.append("notouch"); 2734 break; 2735 case ResTable_config::TOUCHSCREEN_FINGER: 2736 res.append("finger"); 2737 break; 2738 case ResTable_config::TOUCHSCREEN_STYLUS: 2739 res.append("stylus"); 2740 break; 2741 default: 2742 res.appendFormat("touchscreen=%d", dtohs(touchscreen)); 2743 break; 2744 } 2745 } 2746 if ((inputFlags&MASK_KEYSHIDDEN) != 0) { 2747 if (res.size() > 0) res.append("-"); 2748 switch (inputFlags&MASK_KEYSHIDDEN) { 2749 case ResTable_config::KEYSHIDDEN_NO: 2750 res.append("keysexposed"); 2751 break; 2752 case ResTable_config::KEYSHIDDEN_YES: 2753 res.append("keyshidden"); 2754 break; 2755 case ResTable_config::KEYSHIDDEN_SOFT: 2756 res.append("keyssoft"); 2757 break; 2758 } 2759 } 2760 if (keyboard != KEYBOARD_ANY) { 2761 if (res.size() > 0) res.append("-"); 2762 switch (keyboard) { 2763 case ResTable_config::KEYBOARD_NOKEYS: 2764 res.append("nokeys"); 2765 break; 2766 case ResTable_config::KEYBOARD_QWERTY: 2767 res.append("qwerty"); 2768 break; 2769 case ResTable_config::KEYBOARD_12KEY: 2770 res.append("12key"); 2771 break; 2772 default: 2773 res.appendFormat("keyboard=%d", dtohs(keyboard)); 2774 break; 2775 } 2776 } 2777 if ((inputFlags&MASK_NAVHIDDEN) != 0) { 2778 if (res.size() > 0) res.append("-"); 2779 switch (inputFlags&MASK_NAVHIDDEN) { 2780 case ResTable_config::NAVHIDDEN_NO: 2781 res.append("navexposed"); 2782 break; 2783 case ResTable_config::NAVHIDDEN_YES: 2784 res.append("navhidden"); 2785 break; 2786 default: 2787 res.appendFormat("inputFlagsNavHidden=%d", 2788 dtohs(inputFlags&MASK_NAVHIDDEN)); 2789 break; 2790 } 2791 } 2792 if (navigation != NAVIGATION_ANY) { 2793 if (res.size() > 0) res.append("-"); 2794 switch (navigation) { 2795 case ResTable_config::NAVIGATION_NONAV: 2796 res.append("nonav"); 2797 break; 2798 case ResTable_config::NAVIGATION_DPAD: 2799 res.append("dpad"); 2800 break; 2801 case ResTable_config::NAVIGATION_TRACKBALL: 2802 res.append("trackball"); 2803 break; 2804 case ResTable_config::NAVIGATION_WHEEL: 2805 res.append("wheel"); 2806 break; 2807 default: 2808 res.appendFormat("navigation=%d", dtohs(navigation)); 2809 break; 2810 } 2811 } 2812 if (screenSize != 0) { 2813 if (res.size() > 0) res.append("-"); 2814 res.appendFormat("%dx%d", dtohs(screenWidth), dtohs(screenHeight)); 2815 } 2816 if (version != 0) { 2817 if (res.size() > 0) res.append("-"); 2818 res.appendFormat("v%d", dtohs(sdkVersion)); 2819 if (minorVersion != 0) { 2820 res.appendFormat(".%d", dtohs(minorVersion)); 2821 } 2822 } 2823 2824 return res; 2825} 2826 2827// -------------------------------------------------------------------- 2828// -------------------------------------------------------------------- 2829// -------------------------------------------------------------------- 2830 2831struct ResTable::Header 2832{ 2833 Header(ResTable* _owner) : owner(_owner), ownedData(NULL), header(NULL), 2834 resourceIDMap(NULL), resourceIDMapSize(0) { } 2835 2836 ~Header() 2837 { 2838 free(resourceIDMap); 2839 } 2840 2841 const ResTable* const owner; 2842 void* ownedData; 2843 const ResTable_header* header; 2844 size_t size; 2845 const uint8_t* dataEnd; 2846 size_t index; 2847 int32_t cookie; 2848 2849 ResStringPool values; 2850 uint32_t* resourceIDMap; 2851 size_t resourceIDMapSize; 2852}; 2853 2854struct ResTable::Entry { 2855 ResTable_config config; 2856 const ResTable_entry* entry; 2857 const ResTable_type* type; 2858 uint32_t specFlags; 2859 const Package* package; 2860 2861 StringPoolRef typeStr; 2862 StringPoolRef keyStr; 2863}; 2864 2865struct ResTable::Type 2866{ 2867 Type(const Header* _header, const Package* _package, size_t count) 2868 : header(_header), package(_package), entryCount(count), 2869 typeSpec(NULL), typeSpecFlags(NULL) { } 2870 const Header* const header; 2871 const Package* const package; 2872 const size_t entryCount; 2873 const ResTable_typeSpec* typeSpec; 2874 const uint32_t* typeSpecFlags; 2875 IdmapEntries idmapEntries; 2876 Vector<const ResTable_type*> configs; 2877}; 2878 2879struct ResTable::Package 2880{ 2881 Package(ResTable* _owner, const Header* _header, const ResTable_package* _package) 2882 : owner(_owner), header(_header), package(_package), typeIdOffset(0) { 2883 if (dtohs(package->header.headerSize) == sizeof(package)) { 2884 // The package structure is the same size as the definition. 2885 // This means it contains the typeIdOffset field. 2886 typeIdOffset = package->typeIdOffset; 2887 } 2888 } 2889 2890 const ResTable* const owner; 2891 const Header* const header; 2892 const ResTable_package* const package; 2893 2894 ResStringPool typeStrings; 2895 ResStringPool keyStrings; 2896 2897 size_t typeIdOffset; 2898}; 2899 2900// A group of objects describing a particular resource package. 2901// The first in 'package' is always the root object (from the resource 2902// table that defined the package); the ones after are skins on top of it. 2903struct ResTable::PackageGroup 2904{ 2905 PackageGroup(ResTable* _owner, const String16& _name, uint32_t _id) 2906 : owner(_owner) 2907 , name(_name) 2908 , id(_id) 2909 , largestTypeId(0) 2910 , bags(NULL) 2911 , dynamicRefTable(static_cast<uint8_t>(_id)) 2912 { } 2913 2914 ~PackageGroup() { 2915 clearBagCache(); 2916 const size_t numTypes = types.size(); 2917 for (size_t i = 0; i < numTypes; i++) { 2918 const TypeList& typeList = types[i]; 2919 const size_t numInnerTypes = typeList.size(); 2920 for (size_t j = 0; j < numInnerTypes; j++) { 2921 if (typeList[j]->package->owner == owner) { 2922 delete typeList[j]; 2923 } 2924 } 2925 } 2926 2927 const size_t N = packages.size(); 2928 for (size_t i=0; i<N; i++) { 2929 Package* pkg = packages[i]; 2930 if (pkg->owner == owner) { 2931 delete pkg; 2932 } 2933 } 2934 } 2935 2936 void clearBagCache() { 2937 if (bags) { 2938 TABLE_NOISY(printf("bags=%p\n", bags)); 2939 for (size_t i = 0; i < bags->size(); i++) { 2940 TABLE_NOISY(printf("type=%d\n", i)); 2941 const TypeList& typeList = types[i]; 2942 if (!typeList.isEmpty()) { 2943 bag_set** typeBags = bags->get(i); 2944 TABLE_NOISY(printf("typeBags=%p\n", typeBags)); 2945 if (typeBags) { 2946 const size_t N = typeList[0]->entryCount; 2947 TABLE_NOISY(printf("type->entryCount=%x\n", N)); 2948 for (size_t j=0; j<N; j++) { 2949 if (typeBags[j] && typeBags[j] != (bag_set*)0xFFFFFFFF) 2950 free(typeBags[j]); 2951 } 2952 free(typeBags); 2953 } 2954 } 2955 } 2956 delete bags; 2957 bags = NULL; 2958 } 2959 } 2960 2961 ssize_t findType16(const char16_t* type, size_t len) const { 2962 const size_t N = packages.size(); 2963 for (size_t i = 0; i < N; i++) { 2964 ssize_t index = packages[i]->typeStrings.indexOfString(type, len); 2965 if (index >= 0) { 2966 return index + packages[i]->typeIdOffset; 2967 } 2968 } 2969 return -1; 2970 } 2971 2972 const ResTable* const owner; 2973 String16 const name; 2974 uint32_t const id; 2975 2976 // This is mainly used to keep track of the loaded packages 2977 // and to clean them up properly. Accessing resources happens from 2978 // the 'types' array. 2979 Vector<Package*> packages; 2980 2981 ByteBucketArray<TypeList> types; 2982 2983 uint8_t largestTypeId; 2984 2985 // Computed attribute bags, first indexed by the type and second 2986 // by the entry in that type. 2987 ByteBucketArray<bag_set**>* bags; 2988 2989 // The table mapping dynamic references to resolved references for 2990 // this package group. 2991 // TODO: We may be able to support dynamic references in overlays 2992 // by having these tables in a per-package scope rather than 2993 // per-package-group. 2994 DynamicRefTable dynamicRefTable; 2995}; 2996 2997struct ResTable::bag_set 2998{ 2999 size_t numAttrs; // number in array 3000 size_t availAttrs; // total space in array 3001 uint32_t typeSpecFlags; 3002 // Followed by 'numAttr' bag_entry structures. 3003}; 3004 3005ResTable::Theme::Theme(const ResTable& table) 3006 : mTable(table) 3007{ 3008 memset(mPackages, 0, sizeof(mPackages)); 3009} 3010 3011ResTable::Theme::~Theme() 3012{ 3013 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 3014 package_info* pi = mPackages[i]; 3015 if (pi != NULL) { 3016 free_package(pi); 3017 } 3018 } 3019} 3020 3021void ResTable::Theme::free_package(package_info* pi) 3022{ 3023 for (size_t j = 0; j <= Res_MAXTYPE; j++) { 3024 theme_entry* te = pi->types[j].entries; 3025 if (te != NULL) { 3026 free(te); 3027 } 3028 } 3029 free(pi); 3030} 3031 3032ResTable::Theme::package_info* ResTable::Theme::copy_package(package_info* pi) 3033{ 3034 package_info* newpi = (package_info*)malloc(sizeof(package_info)); 3035 for (size_t j = 0; j <= Res_MAXTYPE; j++) { 3036 size_t cnt = pi->types[j].numEntries; 3037 newpi->types[j].numEntries = cnt; 3038 theme_entry* te = pi->types[j].entries; 3039 if (te != NULL) { 3040 theme_entry* newte = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 3041 newpi->types[j].entries = newte; 3042 memcpy(newte, te, cnt*sizeof(theme_entry)); 3043 } else { 3044 newpi->types[j].entries = NULL; 3045 } 3046 } 3047 return newpi; 3048} 3049 3050status_t ResTable::Theme::applyStyle(uint32_t resID, bool force) 3051{ 3052 const bag_entry* bag; 3053 uint32_t bagTypeSpecFlags = 0; 3054 mTable.lock(); 3055 const ssize_t N = mTable.getBagLocked(resID, &bag, &bagTypeSpecFlags); 3056 TABLE_NOISY(ALOGV("Applying style 0x%08x to theme %p, count=%d", resID, this, N)); 3057 if (N < 0) { 3058 mTable.unlock(); 3059 return N; 3060 } 3061 3062 uint32_t curPackage = 0xffffffff; 3063 ssize_t curPackageIndex = 0; 3064 package_info* curPI = NULL; 3065 uint32_t curType = 0xffffffff; 3066 size_t numEntries = 0; 3067 theme_entry* curEntries = NULL; 3068 3069 const bag_entry* end = bag + N; 3070 while (bag < end) { 3071 const uint32_t attrRes = bag->map.name.ident; 3072 const uint32_t p = Res_GETPACKAGE(attrRes); 3073 const uint32_t t = Res_GETTYPE(attrRes); 3074 const uint32_t e = Res_GETENTRY(attrRes); 3075 3076 if (curPackage != p) { 3077 const ssize_t pidx = mTable.getResourcePackageIndex(attrRes); 3078 if (pidx < 0) { 3079 ALOGE("Style contains key with bad package: 0x%08x\n", attrRes); 3080 bag++; 3081 continue; 3082 } 3083 curPackage = p; 3084 curPackageIndex = pidx; 3085 curPI = mPackages[pidx]; 3086 if (curPI == NULL) { 3087 PackageGroup* const grp = mTable.mPackageGroups[pidx]; 3088 curPI = (package_info*)malloc(sizeof(package_info)); 3089 memset(curPI, 0, sizeof(*curPI)); 3090 mPackages[pidx] = curPI; 3091 } 3092 curType = 0xffffffff; 3093 } 3094 if (curType != t) { 3095 if (t > Res_MAXTYPE) { 3096 ALOGE("Style contains key with bad type: 0x%08x\n", attrRes); 3097 bag++; 3098 continue; 3099 } 3100 curType = t; 3101 curEntries = curPI->types[t].entries; 3102 if (curEntries == NULL) { 3103 PackageGroup* const grp = mTable.mPackageGroups[curPackageIndex]; 3104 const TypeList& typeList = grp->types[t]; 3105 int cnt = typeList.isEmpty() ? 0 : typeList[0]->entryCount; 3106 curEntries = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 3107 memset(curEntries, Res_value::TYPE_NULL, cnt*sizeof(theme_entry)); 3108 curPI->types[t].numEntries = cnt; 3109 curPI->types[t].entries = curEntries; 3110 } 3111 numEntries = curPI->types[t].numEntries; 3112 } 3113 if (e >= numEntries) { 3114 ALOGE("Style contains key with bad entry: 0x%08x\n", attrRes); 3115 bag++; 3116 continue; 3117 } 3118 theme_entry* curEntry = curEntries + e; 3119 TABLE_NOISY(ALOGV("Attr 0x%08x: type=0x%x, data=0x%08x; curType=0x%x", 3120 attrRes, bag->map.value.dataType, bag->map.value.data, 3121 curEntry->value.dataType)); 3122 if (force || curEntry->value.dataType == Res_value::TYPE_NULL) { 3123 curEntry->stringBlock = bag->stringBlock; 3124 curEntry->typeSpecFlags |= bagTypeSpecFlags; 3125 curEntry->value = bag->map.value; 3126 } 3127 3128 bag++; 3129 } 3130 3131 mTable.unlock(); 3132 3133 //ALOGI("Applying style 0x%08x (force=%d) theme %p...\n", resID, force, this); 3134 //dumpToLog(); 3135 3136 return NO_ERROR; 3137} 3138 3139status_t ResTable::Theme::setTo(const Theme& other) 3140{ 3141 //ALOGI("Setting theme %p from theme %p...\n", this, &other); 3142 //dumpToLog(); 3143 //other.dumpToLog(); 3144 3145 if (&mTable == &other.mTable) { 3146 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 3147 if (mPackages[i] != NULL) { 3148 free_package(mPackages[i]); 3149 } 3150 if (other.mPackages[i] != NULL) { 3151 mPackages[i] = copy_package(other.mPackages[i]); 3152 } else { 3153 mPackages[i] = NULL; 3154 } 3155 } 3156 } else { 3157 // @todo: need to really implement this, not just copy 3158 // the system package (which is still wrong because it isn't 3159 // fixing up resource references). 3160 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 3161 if (mPackages[i] != NULL) { 3162 free_package(mPackages[i]); 3163 } 3164 if (i == 0 && other.mPackages[i] != NULL) { 3165 mPackages[i] = copy_package(other.mPackages[i]); 3166 } else { 3167 mPackages[i] = NULL; 3168 } 3169 } 3170 } 3171 3172 //ALOGI("Final theme:"); 3173 //dumpToLog(); 3174 3175 return NO_ERROR; 3176} 3177 3178ssize_t ResTable::Theme::getAttribute(uint32_t resID, Res_value* outValue, 3179 uint32_t* outTypeSpecFlags) const 3180{ 3181 int cnt = 20; 3182 3183 if (outTypeSpecFlags != NULL) *outTypeSpecFlags = 0; 3184 3185 do { 3186 const ssize_t p = mTable.getResourcePackageIndex(resID); 3187 const uint32_t t = Res_GETTYPE(resID); 3188 const uint32_t e = Res_GETENTRY(resID); 3189 3190 TABLE_THEME(ALOGI("Looking up attr 0x%08x in theme %p", resID, this)); 3191 3192 if (p >= 0) { 3193 const package_info* const pi = mPackages[p]; 3194 TABLE_THEME(ALOGI("Found package: %p", pi)); 3195 if (pi != NULL) { 3196 TABLE_THEME(ALOGI("Desired type index is %ld in avail %d", t, Res_MAXTYPE + 1)); 3197 if (t <= Res_MAXTYPE) { 3198 const type_info& ti = pi->types[t]; 3199 TABLE_THEME(ALOGI("Desired entry index is %ld in avail %d", e, ti.numEntries)); 3200 if (e < ti.numEntries) { 3201 const theme_entry& te = ti.entries[e]; 3202 if (outTypeSpecFlags != NULL) { 3203 *outTypeSpecFlags |= te.typeSpecFlags; 3204 } 3205 TABLE_THEME(ALOGI("Theme value: type=0x%x, data=0x%08x", 3206 te.value.dataType, te.value.data)); 3207 const uint8_t type = te.value.dataType; 3208 if (type == Res_value::TYPE_ATTRIBUTE) { 3209 if (cnt > 0) { 3210 cnt--; 3211 resID = te.value.data; 3212 continue; 3213 } 3214 ALOGW("Too many attribute references, stopped at: 0x%08x\n", resID); 3215 return BAD_INDEX; 3216 } else if (type != Res_value::TYPE_NULL) { 3217 *outValue = te.value; 3218 return te.stringBlock; 3219 } 3220 return BAD_INDEX; 3221 } 3222 } 3223 } 3224 } 3225 break; 3226 3227 } while (true); 3228 3229 return BAD_INDEX; 3230} 3231 3232ssize_t ResTable::Theme::resolveAttributeReference(Res_value* inOutValue, 3233 ssize_t blockIndex, uint32_t* outLastRef, 3234 uint32_t* inoutTypeSpecFlags, ResTable_config* inoutConfig) const 3235{ 3236 //printf("Resolving type=0x%x\n", inOutValue->dataType); 3237 if (inOutValue->dataType == Res_value::TYPE_ATTRIBUTE) { 3238 uint32_t newTypeSpecFlags; 3239 blockIndex = getAttribute(inOutValue->data, inOutValue, &newTypeSpecFlags); 3240 TABLE_THEME(ALOGI("Resolving attr reference: blockIndex=%d, type=0x%x, data=%p\n", 3241 (int)blockIndex, (int)inOutValue->dataType, (void*)inOutValue->data)); 3242 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newTypeSpecFlags; 3243 //printf("Retrieved attribute new type=0x%x\n", inOutValue->dataType); 3244 if (blockIndex < 0) { 3245 return blockIndex; 3246 } 3247 } 3248 return mTable.resolveReference(inOutValue, blockIndex, outLastRef, 3249 inoutTypeSpecFlags, inoutConfig); 3250} 3251 3252void ResTable::Theme::dumpToLog() const 3253{ 3254 ALOGI("Theme %p:\n", this); 3255 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 3256 package_info* pi = mPackages[i]; 3257 if (pi == NULL) continue; 3258 3259 ALOGI(" Package #0x%02x:\n", (int)(i + 1)); 3260 for (size_t j = 0; j <= Res_MAXTYPE; j++) { 3261 type_info& ti = pi->types[j]; 3262 if (ti.numEntries == 0) continue; 3263 ALOGI(" Type #0x%02x:\n", (int)(j + 1)); 3264 for (size_t k = 0; k < ti.numEntries; k++) { 3265 const theme_entry& te = ti.entries[k]; 3266 if (te.value.dataType == Res_value::TYPE_NULL) continue; 3267 ALOGI(" 0x%08x: t=0x%x, d=0x%08x (block=%d)\n", 3268 (int)Res_MAKEID(i, j, k), 3269 te.value.dataType, (int)te.value.data, (int)te.stringBlock); 3270 } 3271 } 3272 } 3273} 3274 3275ResTable::ResTable() 3276 : mError(NO_INIT), mNextPackageId(2) 3277{ 3278 memset(&mParams, 0, sizeof(mParams)); 3279 memset(mPackageMap, 0, sizeof(mPackageMap)); 3280 //ALOGI("Creating ResTable %p\n", this); 3281} 3282 3283ResTable::ResTable(const void* data, size_t size, const int32_t cookie, bool copyData) 3284 : mError(NO_INIT), mNextPackageId(2) 3285{ 3286 memset(&mParams, 0, sizeof(mParams)); 3287 memset(mPackageMap, 0, sizeof(mPackageMap)); 3288 addInternal(data, size, NULL, 0, cookie, copyData); 3289 LOG_FATAL_IF(mError != NO_ERROR, "Error parsing resource table"); 3290 //ALOGI("Creating ResTable %p\n", this); 3291} 3292 3293ResTable::~ResTable() 3294{ 3295 //ALOGI("Destroying ResTable in %p\n", this); 3296 uninit(); 3297} 3298 3299inline ssize_t ResTable::getResourcePackageIndex(uint32_t resID) const 3300{ 3301 return ((ssize_t)mPackageMap[Res_GETPACKAGE(resID)+1])-1; 3302} 3303 3304status_t ResTable::add(const void* data, size_t size, const int32_t cookie, bool copyData) { 3305 return addInternal(data, size, NULL, 0, cookie, copyData); 3306} 3307 3308status_t ResTable::add(const void* data, size_t size, const void* idmapData, size_t idmapDataSize, 3309 const int32_t cookie, bool copyData) { 3310 return addInternal(data, size, idmapData, idmapDataSize, cookie, copyData); 3311} 3312 3313status_t ResTable::add(Asset* asset, const int32_t cookie, bool copyData) { 3314 const void* data = asset->getBuffer(true); 3315 if (data == NULL) { 3316 ALOGW("Unable to get buffer of resource asset file"); 3317 return UNKNOWN_ERROR; 3318 } 3319 3320 return addInternal(data, static_cast<size_t>(asset->getLength()), NULL, 0, cookie, copyData); 3321} 3322 3323status_t ResTable::add(Asset* asset, Asset* idmapAsset, const int32_t cookie, bool copyData) { 3324 const void* data = asset->getBuffer(true); 3325 if (data == NULL) { 3326 ALOGW("Unable to get buffer of resource asset file"); 3327 return UNKNOWN_ERROR; 3328 } 3329 3330 size_t idmapSize = 0; 3331 const void* idmapData = NULL; 3332 if (idmapAsset != NULL) { 3333 idmapData = idmapAsset->getBuffer(true); 3334 if (idmapData == NULL) { 3335 ALOGW("Unable to get buffer of idmap asset file"); 3336 return UNKNOWN_ERROR; 3337 } 3338 idmapSize = static_cast<size_t>(idmapAsset->getLength()); 3339 } 3340 3341 return addInternal(data, static_cast<size_t>(asset->getLength()), 3342 idmapData, idmapSize, cookie, copyData); 3343} 3344 3345status_t ResTable::add(ResTable* src) 3346{ 3347 mError = src->mError; 3348 3349 for (size_t i=0; i<src->mHeaders.size(); i++) { 3350 mHeaders.add(src->mHeaders[i]); 3351 } 3352 3353 for (size_t i=0; i<src->mPackageGroups.size(); i++) { 3354 PackageGroup* srcPg = src->mPackageGroups[i]; 3355 PackageGroup* pg = new PackageGroup(this, srcPg->name, srcPg->id); 3356 for (size_t j=0; j<srcPg->packages.size(); j++) { 3357 pg->packages.add(srcPg->packages[j]); 3358 } 3359 3360 for (size_t j = 0; j < srcPg->types.size(); j++) { 3361 if (srcPg->types[j].isEmpty()) { 3362 continue; 3363 } 3364 3365 TypeList& typeList = pg->types.editItemAt(j); 3366 typeList.appendVector(srcPg->types[j]); 3367 } 3368 pg->dynamicRefTable.addMappings(srcPg->dynamicRefTable); 3369 pg->largestTypeId = max(pg->largestTypeId, srcPg->largestTypeId); 3370 mPackageGroups.add(pg); 3371 } 3372 3373 memcpy(mPackageMap, src->mPackageMap, sizeof(mPackageMap)); 3374 3375 return mError; 3376} 3377 3378status_t ResTable::addEmpty(const int32_t cookie) { 3379 Header* header = new Header(this); 3380 header->index = mHeaders.size(); 3381 header->cookie = cookie; 3382 header->values.setToEmpty(); 3383 header->ownedData = calloc(1, sizeof(ResTable_header)); 3384 3385 ResTable_header* resHeader = (ResTable_header*) header->ownedData; 3386 resHeader->header.type = RES_TABLE_TYPE; 3387 resHeader->header.headerSize = sizeof(ResTable_header); 3388 resHeader->header.size = sizeof(ResTable_header); 3389 3390 header->header = (const ResTable_header*) resHeader; 3391 mHeaders.add(header); 3392 return (mError=NO_ERROR); 3393} 3394 3395status_t ResTable::addInternal(const void* data, size_t dataSize, const void* idmapData, size_t idmapDataSize, 3396 const int32_t cookie, bool copyData) 3397{ 3398 if (!data) { 3399 return NO_ERROR; 3400 } 3401 3402 if (dataSize < sizeof(ResTable_header)) { 3403 ALOGE("Invalid data. Size(%d) is smaller than a ResTable_header(%d).", 3404 (int) dataSize, (int) sizeof(ResTable_header)); 3405 return UNKNOWN_ERROR; 3406 } 3407 3408 Header* header = new Header(this); 3409 header->index = mHeaders.size(); 3410 header->cookie = cookie; 3411 if (idmapData != NULL) { 3412 header->resourceIDMap = (uint32_t*) malloc(idmapDataSize); 3413 if (header->resourceIDMap == NULL) { 3414 delete header; 3415 return (mError = NO_MEMORY); 3416 } 3417 memcpy(header->resourceIDMap, idmapData, idmapDataSize); 3418 header->resourceIDMapSize = idmapDataSize; 3419 } 3420 mHeaders.add(header); 3421 3422 const bool notDeviceEndian = htods(0xf0) != 0xf0; 3423 3424 LOAD_TABLE_NOISY( 3425 ALOGV("Adding resources to ResTable: data=%p, size=0x%x, cookie=%d, copy=%d " 3426 "idmap=%p\n", data, dataSize, cookie, copyData, idmap)); 3427 3428 if (copyData || notDeviceEndian) { 3429 header->ownedData = malloc(dataSize); 3430 if (header->ownedData == NULL) { 3431 return (mError=NO_MEMORY); 3432 } 3433 memcpy(header->ownedData, data, dataSize); 3434 data = header->ownedData; 3435 } 3436 3437 header->header = (const ResTable_header*)data; 3438 header->size = dtohl(header->header->header.size); 3439 //ALOGI("Got size 0x%x, again size 0x%x, raw size 0x%x\n", header->size, 3440 // dtohl(header->header->header.size), header->header->header.size); 3441 LOAD_TABLE_NOISY(ALOGV("Loading ResTable @%p:\n", header->header)); 3442 if (dtohs(header->header->header.headerSize) > header->size 3443 || header->size > dataSize) { 3444 ALOGW("Bad resource table: header size 0x%x or total size 0x%x is larger than data size 0x%x\n", 3445 (int)dtohs(header->header->header.headerSize), 3446 (int)header->size, (int)dataSize); 3447 return (mError=BAD_TYPE); 3448 } 3449 if (((dtohs(header->header->header.headerSize)|header->size)&0x3) != 0) { 3450 ALOGW("Bad resource table: header size 0x%x or total size 0x%x is not on an integer boundary\n", 3451 (int)dtohs(header->header->header.headerSize), 3452 (int)header->size); 3453 return (mError=BAD_TYPE); 3454 } 3455 header->dataEnd = ((const uint8_t*)header->header) + header->size; 3456 3457 // Iterate through all chunks. 3458 size_t curPackage = 0; 3459 3460 const ResChunk_header* chunk = 3461 (const ResChunk_header*)(((const uint8_t*)header->header) 3462 + dtohs(header->header->header.headerSize)); 3463 while (((const uint8_t*)chunk) <= (header->dataEnd-sizeof(ResChunk_header)) && 3464 ((const uint8_t*)chunk) <= (header->dataEnd-dtohl(chunk->size))) { 3465 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), header->dataEnd, "ResTable"); 3466 if (err != NO_ERROR) { 3467 return (mError=err); 3468 } 3469 TABLE_NOISY(ALOGV("Chunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 3470 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 3471 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 3472 const size_t csize = dtohl(chunk->size); 3473 const uint16_t ctype = dtohs(chunk->type); 3474 if (ctype == RES_STRING_POOL_TYPE) { 3475 if (header->values.getError() != NO_ERROR) { 3476 // Only use the first string chunk; ignore any others that 3477 // may appear. 3478 status_t err = header->values.setTo(chunk, csize); 3479 if (err != NO_ERROR) { 3480 return (mError=err); 3481 } 3482 } else { 3483 ALOGW("Multiple string chunks found in resource table."); 3484 } 3485 } else if (ctype == RES_TABLE_PACKAGE_TYPE) { 3486 if (curPackage >= dtohl(header->header->packageCount)) { 3487 ALOGW("More package chunks were found than the %d declared in the header.", 3488 dtohl(header->header->packageCount)); 3489 return (mError=BAD_TYPE); 3490 } 3491 3492 if (parsePackage((ResTable_package*)chunk, header) != NO_ERROR) { 3493 return mError; 3494 } 3495 curPackage++; 3496 } else { 3497 ALOGW("Unknown chunk type 0x%x in table at %p.\n", 3498 ctype, 3499 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header))); 3500 } 3501 chunk = (const ResChunk_header*) 3502 (((const uint8_t*)chunk) + csize); 3503 } 3504 3505 if (curPackage < dtohl(header->header->packageCount)) { 3506 ALOGW("Fewer package chunks (%d) were found than the %d declared in the header.", 3507 (int)curPackage, dtohl(header->header->packageCount)); 3508 return (mError=BAD_TYPE); 3509 } 3510 mError = header->values.getError(); 3511 if (mError != NO_ERROR) { 3512 ALOGW("No string values found in resource table!"); 3513 } 3514 3515 TABLE_NOISY(ALOGV("Returning from add with mError=%d\n", mError)); 3516 return mError; 3517} 3518 3519status_t ResTable::getError() const 3520{ 3521 return mError; 3522} 3523 3524void ResTable::uninit() 3525{ 3526 mError = NO_INIT; 3527 size_t N = mPackageGroups.size(); 3528 for (size_t i=0; i<N; i++) { 3529 PackageGroup* g = mPackageGroups[i]; 3530 delete g; 3531 } 3532 N = mHeaders.size(); 3533 for (size_t i=0; i<N; i++) { 3534 Header* header = mHeaders[i]; 3535 if (header->owner == this) { 3536 if (header->ownedData) { 3537 free(header->ownedData); 3538 } 3539 delete header; 3540 } 3541 } 3542 3543 mPackageGroups.clear(); 3544 mHeaders.clear(); 3545} 3546 3547bool ResTable::getResourceName(uint32_t resID, bool allowUtf8, resource_name* outName) const 3548{ 3549 if (mError != NO_ERROR) { 3550 return false; 3551 } 3552 3553 const ssize_t p = getResourcePackageIndex(resID); 3554 const int t = Res_GETTYPE(resID); 3555 const int e = Res_GETENTRY(resID); 3556 3557 if (p < 0) { 3558 if (Res_GETPACKAGE(resID)+1 == 0) { 3559 ALOGW("No package identifier when getting name for resource number 0x%08x", resID); 3560 } else { 3561 ALOGW("No known package when getting name for resource number 0x%08x", resID); 3562 } 3563 return false; 3564 } 3565 if (t < 0) { 3566 ALOGW("No type identifier when getting name for resource number 0x%08x", resID); 3567 return false; 3568 } 3569 3570 const PackageGroup* const grp = mPackageGroups[p]; 3571 if (grp == NULL) { 3572 ALOGW("Bad identifier when getting name for resource number 0x%08x", resID); 3573 return false; 3574 } 3575 3576 Entry entry; 3577 status_t err = getEntry(grp, t, e, NULL, &entry); 3578 if (err != NO_ERROR) { 3579 return false; 3580 } 3581 3582 outName->package = grp->name.string(); 3583 outName->packageLen = grp->name.size(); 3584 if (allowUtf8) { 3585 outName->type8 = entry.typeStr.string8(&outName->typeLen); 3586 outName->name8 = entry.keyStr.string8(&outName->nameLen); 3587 } else { 3588 outName->type8 = NULL; 3589 outName->name8 = NULL; 3590 } 3591 if (outName->type8 == NULL) { 3592 outName->type = entry.typeStr.string16(&outName->typeLen); 3593 // If we have a bad index for some reason, we should abort. 3594 if (outName->type == NULL) { 3595 return false; 3596 } 3597 } 3598 if (outName->name8 == NULL) { 3599 outName->name = entry.keyStr.string16(&outName->nameLen); 3600 // If we have a bad index for some reason, we should abort. 3601 if (outName->name == NULL) { 3602 return false; 3603 } 3604 } 3605 3606 return true; 3607} 3608 3609ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag, uint16_t density, 3610 uint32_t* outSpecFlags, ResTable_config* outConfig) const 3611{ 3612 if (mError != NO_ERROR) { 3613 return mError; 3614 } 3615 3616 const ssize_t p = getResourcePackageIndex(resID); 3617 const int t = Res_GETTYPE(resID); 3618 const int e = Res_GETENTRY(resID); 3619 3620 if (p < 0) { 3621 if (Res_GETPACKAGE(resID)+1 == 0) { 3622 ALOGW("No package identifier when getting value for resource number 0x%08x", resID); 3623 } else { 3624 ALOGW("No known package when getting value for resource number 0x%08x", resID); 3625 } 3626 return BAD_INDEX; 3627 } 3628 if (t < 0) { 3629 ALOGW("No type identifier when getting value for resource number 0x%08x", resID); 3630 return BAD_INDEX; 3631 } 3632 3633 const PackageGroup* const grp = mPackageGroups[p]; 3634 if (grp == NULL) { 3635 ALOGW("Bad identifier when getting value for resource number 0x%08x", resID); 3636 return BAD_INDEX; 3637 } 3638 3639 // Allow overriding density 3640 ResTable_config desiredConfig = mParams; 3641 if (density > 0) { 3642 desiredConfig.density = density; 3643 } 3644 3645 Entry entry; 3646 status_t err = getEntry(grp, t, e, &desiredConfig, &entry); 3647 if (err != NO_ERROR) { 3648 ALOGW("Failure getting entry for 0x%08x (t=%d e=%d) (error %d)\n", 3649 resID, t, e, err); 3650 return err; 3651 } 3652 3653 if ((dtohs(entry.entry->flags) & ResTable_entry::FLAG_COMPLEX) != 0) { 3654 if (!mayBeBag) { 3655 ALOGW("Requesting resource 0x%08x failed because it is complex\n", resID); 3656 } 3657 return BAD_VALUE; 3658 } 3659 3660 const Res_value* value = reinterpret_cast<const Res_value*>( 3661 reinterpret_cast<const uint8_t*>(entry.entry) + entry.entry->size); 3662 3663 outValue->size = dtohs(value->size); 3664 outValue->res0 = value->res0; 3665 outValue->dataType = value->dataType; 3666 outValue->data = dtohl(value->data); 3667 3668 // The reference may be pointing to a resource in a shared library. These 3669 // references have build-time generated package IDs. These ids may not match 3670 // the actual package IDs of the corresponding packages in this ResTable. 3671 // We need to fix the package ID based on a mapping. 3672 if (grp->dynamicRefTable.lookupResourceValue(outValue) != NO_ERROR) { 3673 ALOGW("Failed to resolve referenced package: 0x%08x", outValue->data); 3674 return BAD_VALUE; 3675 } 3676 3677 TABLE_NOISY(size_t len; 3678 printf("Found value: pkg=%d, type=%d, str=%s, int=%d\n", 3679 entry.package->header->index, 3680 outValue->dataType, 3681 outValue->dataType == Res_value::TYPE_STRING 3682 ? String8(entry.package->header->values.stringAt( 3683 outValue->data, &len)).string() 3684 : "", 3685 outValue->data)); 3686 3687 if (outSpecFlags != NULL) { 3688 *outSpecFlags = entry.specFlags; 3689 } 3690 3691 if (outConfig != NULL) { 3692 *outConfig = entry.config; 3693 } 3694 3695 return entry.package->header->index; 3696} 3697 3698ssize_t ResTable::resolveReference(Res_value* value, ssize_t blockIndex, 3699 uint32_t* outLastRef, uint32_t* inoutTypeSpecFlags, 3700 ResTable_config* outConfig) const 3701{ 3702 int count=0; 3703 while (blockIndex >= 0 && value->dataType == Res_value::TYPE_REFERENCE 3704 && value->data != 0 && count < 20) { 3705 if (outLastRef) *outLastRef = value->data; 3706 uint32_t lastRef = value->data; 3707 uint32_t newFlags = 0; 3708 const ssize_t newIndex = getResource(value->data, value, true, 0, &newFlags, 3709 outConfig); 3710 if (newIndex == BAD_INDEX) { 3711 return BAD_INDEX; 3712 } 3713 TABLE_THEME(ALOGI("Resolving reference %p: newIndex=%d, type=0x%x, data=%p\n", 3714 (void*)lastRef, (int)newIndex, (int)value->dataType, (void*)value->data)); 3715 //printf("Getting reference 0x%08x: newIndex=%d\n", value->data, newIndex); 3716 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newFlags; 3717 if (newIndex < 0) { 3718 // This can fail if the resource being referenced is a style... 3719 // in this case, just return the reference, and expect the 3720 // caller to deal with. 3721 return blockIndex; 3722 } 3723 blockIndex = newIndex; 3724 count++; 3725 } 3726 return blockIndex; 3727} 3728 3729const char16_t* ResTable::valueToString( 3730 const Res_value* value, size_t stringBlock, 3731 char16_t /*tmpBuffer*/ [TMP_BUFFER_SIZE], size_t* outLen) const 3732{ 3733 if (!value) { 3734 return NULL; 3735 } 3736 if (value->dataType == value->TYPE_STRING) { 3737 return getTableStringBlock(stringBlock)->stringAt(value->data, outLen); 3738 } 3739 // XXX do int to string conversions. 3740 return NULL; 3741} 3742 3743ssize_t ResTable::lockBag(uint32_t resID, const bag_entry** outBag) const 3744{ 3745 mLock.lock(); 3746 ssize_t err = getBagLocked(resID, outBag); 3747 if (err < NO_ERROR) { 3748 //printf("*** get failed! unlocking\n"); 3749 mLock.unlock(); 3750 } 3751 return err; 3752} 3753 3754void ResTable::unlockBag(const bag_entry* /*bag*/) const 3755{ 3756 //printf("<<< unlockBag %p\n", this); 3757 mLock.unlock(); 3758} 3759 3760void ResTable::lock() const 3761{ 3762 mLock.lock(); 3763} 3764 3765void ResTable::unlock() const 3766{ 3767 mLock.unlock(); 3768} 3769 3770ssize_t ResTable::getBagLocked(uint32_t resID, const bag_entry** outBag, 3771 uint32_t* outTypeSpecFlags) const 3772{ 3773 if (mError != NO_ERROR) { 3774 return mError; 3775 } 3776 3777 const ssize_t p = getResourcePackageIndex(resID); 3778 const int t = Res_GETTYPE(resID); 3779 const int e = Res_GETENTRY(resID); 3780 3781 if (p < 0) { 3782 ALOGW("Invalid package identifier when getting bag for resource number 0x%08x", resID); 3783 return BAD_INDEX; 3784 } 3785 if (t < 0) { 3786 ALOGW("No type identifier when getting bag for resource number 0x%08x", resID); 3787 return BAD_INDEX; 3788 } 3789 3790 //printf("Get bag: id=0x%08x, p=%d, t=%d\n", resID, p, t); 3791 PackageGroup* const grp = mPackageGroups[p]; 3792 if (grp == NULL) { 3793 ALOGW("Bad identifier when getting bag for resource number 0x%08x", resID); 3794 return BAD_INDEX; 3795 } 3796 3797 const TypeList& typeConfigs = grp->types[t]; 3798 if (typeConfigs.isEmpty()) { 3799 ALOGW("Type identifier 0x%x does not exist.", t+1); 3800 return BAD_INDEX; 3801 } 3802 3803 const size_t NENTRY = typeConfigs[0]->entryCount; 3804 if (e >= (int)NENTRY) { 3805 ALOGW("Entry identifier 0x%x is larger than entry count 0x%x", 3806 e, (int)typeConfigs[0]->entryCount); 3807 return BAD_INDEX; 3808 } 3809 3810 // First see if we've already computed this bag... 3811 if (grp->bags) { 3812 bag_set** typeSet = grp->bags->get(t); 3813 if (typeSet) { 3814 bag_set* set = typeSet[e]; 3815 if (set) { 3816 if (set != (bag_set*)0xFFFFFFFF) { 3817 if (outTypeSpecFlags != NULL) { 3818 *outTypeSpecFlags = set->typeSpecFlags; 3819 } 3820 *outBag = (bag_entry*)(set+1); 3821 //ALOGI("Found existing bag for: %p\n", (void*)resID); 3822 return set->numAttrs; 3823 } 3824 ALOGW("Attempt to retrieve bag 0x%08x which is invalid or in a cycle.", 3825 resID); 3826 return BAD_INDEX; 3827 } 3828 } 3829 } 3830 3831 // Bag not found, we need to compute it! 3832 if (!grp->bags) { 3833 grp->bags = new ByteBucketArray<bag_set**>(); 3834 if (!grp->bags) return NO_MEMORY; 3835 } 3836 3837 bag_set** typeSet = grp->bags->get(t); 3838 if (!typeSet) { 3839 typeSet = (bag_set**)calloc(NENTRY, sizeof(bag_set*)); 3840 if (!typeSet) return NO_MEMORY; 3841 grp->bags->set(t, typeSet); 3842 } 3843 3844 // Mark that we are currently working on this one. 3845 typeSet[e] = (bag_set*)0xFFFFFFFF; 3846 3847 TABLE_NOISY(ALOGI("Building bag: %p\n", (void*)resID)); 3848 3849 // Now collect all bag attributes 3850 Entry entry; 3851 status_t err = getEntry(grp, t, e, &mParams, &entry); 3852 if (err != NO_ERROR) { 3853 return err; 3854 } 3855 3856 const uint16_t entrySize = dtohs(entry.entry->size); 3857 const uint32_t parent = entrySize >= sizeof(ResTable_map_entry) 3858 ? dtohl(((const ResTable_map_entry*)entry.entry)->parent.ident) : 0; 3859 const uint32_t count = entrySize >= sizeof(ResTable_map_entry) 3860 ? dtohl(((const ResTable_map_entry*)entry.entry)->count) : 0; 3861 3862 size_t N = count; 3863 3864 TABLE_NOISY(ALOGI("Found map: size=%p parent=%p count=%d\n", 3865 entrySize, parent, count)); 3866 3867 // If this map inherits from another, we need to start 3868 // with its parent's values. Otherwise start out empty. 3869 TABLE_NOISY(printf("Creating new bag, entrySize=0x%08x, parent=0x%08x\n", 3870 entrySize, parent)); 3871 3872 // This is what we are building. 3873 bag_set* set = NULL; 3874 3875 if (parent) { 3876 uint32_t resolvedParent = parent; 3877 3878 // Bags encode a parent reference without using the standard 3879 // Res_value structure. That means we must always try to 3880 // resolve a parent reference in case it is actually a 3881 // TYPE_DYNAMIC_REFERENCE. 3882 status_t err = grp->dynamicRefTable.lookupResourceId(&resolvedParent); 3883 if (err != NO_ERROR) { 3884 ALOGE("Failed resolving bag parent id 0x%08x", parent); 3885 return UNKNOWN_ERROR; 3886 } 3887 3888 const bag_entry* parentBag; 3889 uint32_t parentTypeSpecFlags = 0; 3890 const ssize_t NP = getBagLocked(resolvedParent, &parentBag, &parentTypeSpecFlags); 3891 const size_t NT = ((NP >= 0) ? NP : 0) + N; 3892 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*NT); 3893 if (set == NULL) { 3894 return NO_MEMORY; 3895 } 3896 if (NP > 0) { 3897 memcpy(set+1, parentBag, NP*sizeof(bag_entry)); 3898 set->numAttrs = NP; 3899 TABLE_NOISY(ALOGI("Initialized new bag with %d inherited attributes.\n", NP)); 3900 } else { 3901 TABLE_NOISY(ALOGI("Initialized new bag with no inherited attributes.\n")); 3902 set->numAttrs = 0; 3903 } 3904 set->availAttrs = NT; 3905 set->typeSpecFlags = parentTypeSpecFlags; 3906 } else { 3907 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*N); 3908 if (set == NULL) { 3909 return NO_MEMORY; 3910 } 3911 set->numAttrs = 0; 3912 set->availAttrs = N; 3913 set->typeSpecFlags = 0; 3914 } 3915 3916 set->typeSpecFlags |= entry.specFlags; 3917 3918 // Now merge in the new attributes... 3919 size_t curOff = (reinterpret_cast<uintptr_t>(entry.entry) - reinterpret_cast<uintptr_t>(entry.type)) 3920 + dtohs(entry.entry->size); 3921 const ResTable_map* map; 3922 bag_entry* entries = (bag_entry*)(set+1); 3923 size_t curEntry = 0; 3924 uint32_t pos = 0; 3925 TABLE_NOISY(ALOGI("Starting with set %p, entries=%p, avail=%d\n", 3926 set, entries, set->availAttrs)); 3927 while (pos < count) { 3928 TABLE_NOISY(printf("Now at %p\n", (void*)curOff)); 3929 3930 if (curOff > (dtohl(entry.type->header.size)-sizeof(ResTable_map))) { 3931 ALOGW("ResTable_map at %d is beyond type chunk data %d", 3932 (int)curOff, dtohl(entry.type->header.size)); 3933 return BAD_TYPE; 3934 } 3935 map = (const ResTable_map*)(((const uint8_t*)entry.type) + curOff); 3936 N++; 3937 3938 uint32_t newName = htodl(map->name.ident); 3939 if (!Res_INTERNALID(newName)) { 3940 // Attributes don't have a resource id as the name. They specify 3941 // other data, which would be wrong to change via a lookup. 3942 if (grp->dynamicRefTable.lookupResourceId(&newName) != NO_ERROR) { 3943 ALOGE("Failed resolving ResTable_map name at %d with ident 0x%08x", 3944 (int) curOff, (int) newName); 3945 return UNKNOWN_ERROR; 3946 } 3947 } 3948 3949 bool isInside; 3950 uint32_t oldName = 0; 3951 while ((isInside=(curEntry < set->numAttrs)) 3952 && (oldName=entries[curEntry].map.name.ident) < newName) { 3953 TABLE_NOISY(printf("#%d: Keeping existing attribute: 0x%08x\n", 3954 curEntry, entries[curEntry].map.name.ident)); 3955 curEntry++; 3956 } 3957 3958 if ((!isInside) || oldName != newName) { 3959 // This is a new attribute... figure out what to do with it. 3960 if (set->numAttrs >= set->availAttrs) { 3961 // Need to alloc more memory... 3962 const size_t newAvail = set->availAttrs+N; 3963 set = (bag_set*)realloc(set, 3964 sizeof(bag_set) 3965 + sizeof(bag_entry)*newAvail); 3966 if (set == NULL) { 3967 return NO_MEMORY; 3968 } 3969 set->availAttrs = newAvail; 3970 entries = (bag_entry*)(set+1); 3971 TABLE_NOISY(printf("Reallocated set %p, entries=%p, avail=%d\n", 3972 set, entries, set->availAttrs)); 3973 } 3974 if (isInside) { 3975 // Going in the middle, need to make space. 3976 memmove(entries+curEntry+1, entries+curEntry, 3977 sizeof(bag_entry)*(set->numAttrs-curEntry)); 3978 set->numAttrs++; 3979 } 3980 TABLE_NOISY(printf("#%d: Inserting new attribute: 0x%08x\n", 3981 curEntry, newName)); 3982 } else { 3983 TABLE_NOISY(printf("#%d: Replacing existing attribute: 0x%08x\n", 3984 curEntry, oldName)); 3985 } 3986 3987 bag_entry* cur = entries+curEntry; 3988 3989 cur->stringBlock = entry.package->header->index; 3990 cur->map.name.ident = newName; 3991 cur->map.value.copyFrom_dtoh(map->value); 3992 status_t err = grp->dynamicRefTable.lookupResourceValue(&cur->map.value); 3993 if (err != NO_ERROR) { 3994 ALOGE("Reference item(0x%08x) in bag could not be resolved.", cur->map.value.data); 3995 return UNKNOWN_ERROR; 3996 } 3997 3998 TABLE_NOISY(printf("Setting entry #%d %p: block=%d, name=0x%08x, type=%d, data=0x%08x\n", 3999 curEntry, cur, cur->stringBlock, cur->map.name.ident, 4000 cur->map.value.dataType, cur->map.value.data)); 4001 4002 // On to the next! 4003 curEntry++; 4004 pos++; 4005 const size_t size = dtohs(map->value.size); 4006 curOff += size + sizeof(*map)-sizeof(map->value); 4007 }; 4008 4009 if (curEntry > set->numAttrs) { 4010 set->numAttrs = curEntry; 4011 } 4012 4013 // And this is it... 4014 typeSet[e] = set; 4015 if (set) { 4016 if (outTypeSpecFlags != NULL) { 4017 *outTypeSpecFlags = set->typeSpecFlags; 4018 } 4019 *outBag = (bag_entry*)(set+1); 4020 TABLE_NOISY(ALOGI("Returning %d attrs\n", set->numAttrs)); 4021 return set->numAttrs; 4022 } 4023 return BAD_INDEX; 4024} 4025 4026void ResTable::setParameters(const ResTable_config* params) 4027{ 4028 mLock.lock(); 4029 TABLE_GETENTRY(ALOGI("Setting parameters: %s\n", params->toString().string())); 4030 mParams = *params; 4031 for (size_t i=0; i<mPackageGroups.size(); i++) { 4032 TABLE_NOISY(ALOGI("CLEARING BAGS FOR GROUP %d!", i)); 4033 mPackageGroups[i]->clearBagCache(); 4034 } 4035 mLock.unlock(); 4036} 4037 4038void ResTable::getParameters(ResTable_config* params) const 4039{ 4040 mLock.lock(); 4041 *params = mParams; 4042 mLock.unlock(); 4043} 4044 4045struct id_name_map { 4046 uint32_t id; 4047 size_t len; 4048 char16_t name[6]; 4049}; 4050 4051const static id_name_map ID_NAMES[] = { 4052 { ResTable_map::ATTR_TYPE, 5, { '^', 't', 'y', 'p', 'e' } }, 4053 { ResTable_map::ATTR_L10N, 5, { '^', 'l', '1', '0', 'n' } }, 4054 { ResTable_map::ATTR_MIN, 4, { '^', 'm', 'i', 'n' } }, 4055 { ResTable_map::ATTR_MAX, 4, { '^', 'm', 'a', 'x' } }, 4056 { ResTable_map::ATTR_OTHER, 6, { '^', 'o', 't', 'h', 'e', 'r' } }, 4057 { ResTable_map::ATTR_ZERO, 5, { '^', 'z', 'e', 'r', 'o' } }, 4058 { ResTable_map::ATTR_ONE, 4, { '^', 'o', 'n', 'e' } }, 4059 { ResTable_map::ATTR_TWO, 4, { '^', 't', 'w', 'o' } }, 4060 { ResTable_map::ATTR_FEW, 4, { '^', 'f', 'e', 'w' } }, 4061 { ResTable_map::ATTR_MANY, 5, { '^', 'm', 'a', 'n', 'y' } }, 4062}; 4063 4064uint32_t ResTable::identifierForName(const char16_t* name, size_t nameLen, 4065 const char16_t* type, size_t typeLen, 4066 const char16_t* package, 4067 size_t packageLen, 4068 uint32_t* outTypeSpecFlags) const 4069{ 4070 TABLE_SUPER_NOISY(printf("Identifier for name: error=%d\n", mError)); 4071 4072 // Check for internal resource identifier as the very first thing, so 4073 // that we will always find them even when there are no resources. 4074 if (name[0] == '^') { 4075 const int N = (sizeof(ID_NAMES)/sizeof(ID_NAMES[0])); 4076 size_t len; 4077 for (int i=0; i<N; i++) { 4078 const id_name_map* m = ID_NAMES + i; 4079 len = m->len; 4080 if (len != nameLen) { 4081 continue; 4082 } 4083 for (size_t j=1; j<len; j++) { 4084 if (m->name[j] != name[j]) { 4085 goto nope; 4086 } 4087 } 4088 if (outTypeSpecFlags) { 4089 *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; 4090 } 4091 return m->id; 4092nope: 4093 ; 4094 } 4095 if (nameLen > 7) { 4096 if (name[1] == 'i' && name[2] == 'n' 4097 && name[3] == 'd' && name[4] == 'e' && name[5] == 'x' 4098 && name[6] == '_') { 4099 int index = atoi(String8(name + 7, nameLen - 7).string()); 4100 if (Res_CHECKID(index)) { 4101 ALOGW("Array resource index: %d is too large.", 4102 index); 4103 return 0; 4104 } 4105 if (outTypeSpecFlags) { 4106 *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; 4107 } 4108 return Res_MAKEARRAY(index); 4109 } 4110 } 4111 return 0; 4112 } 4113 4114 if (mError != NO_ERROR) { 4115 return 0; 4116 } 4117 4118 bool fakePublic = false; 4119 4120 // Figure out the package and type we are looking in... 4121 4122 const char16_t* packageEnd = NULL; 4123 const char16_t* typeEnd = NULL; 4124 const char16_t* const nameEnd = name+nameLen; 4125 const char16_t* p = name; 4126 while (p < nameEnd) { 4127 if (*p == ':') packageEnd = p; 4128 else if (*p == '/') typeEnd = p; 4129 p++; 4130 } 4131 if (*name == '@') { 4132 name++; 4133 if (*name == '*') { 4134 fakePublic = true; 4135 name++; 4136 } 4137 } 4138 if (name >= nameEnd) { 4139 return 0; 4140 } 4141 4142 if (packageEnd) { 4143 package = name; 4144 packageLen = packageEnd-name; 4145 name = packageEnd+1; 4146 } else if (!package) { 4147 return 0; 4148 } 4149 4150 if (typeEnd) { 4151 type = name; 4152 typeLen = typeEnd-name; 4153 name = typeEnd+1; 4154 } else if (!type) { 4155 return 0; 4156 } 4157 4158 if (name >= nameEnd) { 4159 return 0; 4160 } 4161 nameLen = nameEnd-name; 4162 4163 TABLE_NOISY(printf("Looking for identifier: type=%s, name=%s, package=%s\n", 4164 String8(type, typeLen).string(), 4165 String8(name, nameLen).string(), 4166 String8(package, packageLen).string())); 4167 4168 const size_t NG = mPackageGroups.size(); 4169 for (size_t ig=0; ig<NG; ig++) { 4170 const PackageGroup* group = mPackageGroups[ig]; 4171 4172 if (strzcmp16(package, packageLen, 4173 group->name.string(), group->name.size())) { 4174 TABLE_NOISY(printf("Skipping package group: %s\n", String8(group->name).string())); 4175 continue; 4176 } 4177 4178 const ssize_t ti = group->findType16(type, typeLen); 4179 if (ti < 0) { 4180 TABLE_NOISY(printf("Type not found in package %s\n", String8(group->name).string())); 4181 continue; 4182 } 4183 4184 const TypeList& typeList = group->types[ti]; 4185 if (typeList.isEmpty()) { 4186 TABLE_NOISY(printf("Expected type structure not found in package %s for index %d\n", 4187 String8(group->name).string(), ti)); 4188 continue; 4189 } 4190 4191 const size_t typeCount = typeList.size(); 4192 for (size_t i = 0; i < typeCount; i++) { 4193 const Type* t = typeList[i]; 4194 const ssize_t ei = t->package->keyStrings.indexOfString(name, nameLen); 4195 if (ei < 0) { 4196 continue; 4197 } 4198 4199 const size_t configCount = t->configs.size(); 4200 for (size_t j = 0; j < configCount; j++) { 4201 const TypeVariant tv(t->configs[j]); 4202 for (TypeVariant::iterator iter = tv.beginEntries(); 4203 iter != tv.endEntries(); 4204 iter++) { 4205 const ResTable_entry* entry = *iter; 4206 if (entry == NULL) { 4207 continue; 4208 } 4209 4210 if (dtohl(entry->key.index) == (size_t) ei) { 4211 uint32_t resId = Res_MAKEID(group->id - 1, ti, iter.index()); 4212 if (outTypeSpecFlags) { 4213 Entry result; 4214 if (getEntry(group, ti, iter.index(), NULL, &result) != NO_ERROR) { 4215 ALOGW("Failed to find spec flags for %s:%s/%s (0x%08x)", 4216 String8(group->name).string(), 4217 String8(String16(type, typeLen)).string(), 4218 String8(String16(name, nameLen)).string(), 4219 resId); 4220 return 0; 4221 } 4222 *outTypeSpecFlags = result.specFlags; 4223 4224 if (fakePublic) { 4225 *outTypeSpecFlags |= ResTable_typeSpec::SPEC_PUBLIC; 4226 } 4227 } 4228 return resId; 4229 } 4230 } 4231 } 4232 } 4233 break; 4234 } 4235 return 0; 4236} 4237 4238bool ResTable::expandResourceRef(const uint16_t* refStr, size_t refLen, 4239 String16* outPackage, 4240 String16* outType, 4241 String16* outName, 4242 const String16* defType, 4243 const String16* defPackage, 4244 const char** outErrorMsg, 4245 bool* outPublicOnly) 4246{ 4247 const char16_t* packageEnd = NULL; 4248 const char16_t* typeEnd = NULL; 4249 const char16_t* p = refStr; 4250 const char16_t* const end = p + refLen; 4251 while (p < end) { 4252 if (*p == ':') packageEnd = p; 4253 else if (*p == '/') { 4254 typeEnd = p; 4255 break; 4256 } 4257 p++; 4258 } 4259 p = refStr; 4260 if (*p == '@') p++; 4261 4262 if (outPublicOnly != NULL) { 4263 *outPublicOnly = true; 4264 } 4265 if (*p == '*') { 4266 p++; 4267 if (outPublicOnly != NULL) { 4268 *outPublicOnly = false; 4269 } 4270 } 4271 4272 if (packageEnd) { 4273 *outPackage = String16(p, packageEnd-p); 4274 p = packageEnd+1; 4275 } else { 4276 if (!defPackage) { 4277 if (outErrorMsg) { 4278 *outErrorMsg = "No resource package specified"; 4279 } 4280 return false; 4281 } 4282 *outPackage = *defPackage; 4283 } 4284 if (typeEnd) { 4285 *outType = String16(p, typeEnd-p); 4286 p = typeEnd+1; 4287 } else { 4288 if (!defType) { 4289 if (outErrorMsg) { 4290 *outErrorMsg = "No resource type specified"; 4291 } 4292 return false; 4293 } 4294 *outType = *defType; 4295 } 4296 *outName = String16(p, end-p); 4297 if(**outPackage == 0) { 4298 if(outErrorMsg) { 4299 *outErrorMsg = "Resource package cannot be an empty string"; 4300 } 4301 return false; 4302 } 4303 if(**outType == 0) { 4304 if(outErrorMsg) { 4305 *outErrorMsg = "Resource type cannot be an empty string"; 4306 } 4307 return false; 4308 } 4309 if(**outName == 0) { 4310 if(outErrorMsg) { 4311 *outErrorMsg = "Resource id cannot be an empty string"; 4312 } 4313 return false; 4314 } 4315 return true; 4316} 4317 4318static uint32_t get_hex(char c, bool* outError) 4319{ 4320 if (c >= '0' && c <= '9') { 4321 return c - '0'; 4322 } else if (c >= 'a' && c <= 'f') { 4323 return c - 'a' + 0xa; 4324 } else if (c >= 'A' && c <= 'F') { 4325 return c - 'A' + 0xa; 4326 } 4327 *outError = true; 4328 return 0; 4329} 4330 4331struct unit_entry 4332{ 4333 const char* name; 4334 size_t len; 4335 uint8_t type; 4336 uint32_t unit; 4337 float scale; 4338}; 4339 4340static const unit_entry unitNames[] = { 4341 { "px", strlen("px"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PX, 1.0f }, 4342 { "dip", strlen("dip"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 4343 { "dp", strlen("dp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 4344 { "sp", strlen("sp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_SP, 1.0f }, 4345 { "pt", strlen("pt"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PT, 1.0f }, 4346 { "in", strlen("in"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_IN, 1.0f }, 4347 { "mm", strlen("mm"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_MM, 1.0f }, 4348 { "%", strlen("%"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION, 1.0f/100 }, 4349 { "%p", strlen("%p"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION_PARENT, 1.0f/100 }, 4350 { NULL, 0, 0, 0, 0 } 4351}; 4352 4353static bool parse_unit(const char* str, Res_value* outValue, 4354 float* outScale, const char** outEnd) 4355{ 4356 const char* end = str; 4357 while (*end != 0 && !isspace((unsigned char)*end)) { 4358 end++; 4359 } 4360 const size_t len = end-str; 4361 4362 const char* realEnd = end; 4363 while (*realEnd != 0 && isspace((unsigned char)*realEnd)) { 4364 realEnd++; 4365 } 4366 if (*realEnd != 0) { 4367 return false; 4368 } 4369 4370 const unit_entry* cur = unitNames; 4371 while (cur->name) { 4372 if (len == cur->len && strncmp(cur->name, str, len) == 0) { 4373 outValue->dataType = cur->type; 4374 outValue->data = cur->unit << Res_value::COMPLEX_UNIT_SHIFT; 4375 *outScale = cur->scale; 4376 *outEnd = end; 4377 //printf("Found unit %s for %s\n", cur->name, str); 4378 return true; 4379 } 4380 cur++; 4381 } 4382 4383 return false; 4384} 4385 4386 4387bool ResTable::stringToInt(const char16_t* s, size_t len, Res_value* outValue) 4388{ 4389 while (len > 0 && isspace16(*s)) { 4390 s++; 4391 len--; 4392 } 4393 4394 if (len <= 0) { 4395 return false; 4396 } 4397 4398 size_t i = 0; 4399 int32_t val = 0; 4400 bool neg = false; 4401 4402 if (*s == '-') { 4403 neg = true; 4404 i++; 4405 } 4406 4407 if (s[i] < '0' || s[i] > '9') { 4408 return false; 4409 } 4410 4411 // Decimal or hex? 4412 if (s[i] == '0' && s[i+1] == 'x') { 4413 if (outValue) 4414 outValue->dataType = outValue->TYPE_INT_HEX; 4415 i += 2; 4416 bool error = false; 4417 while (i < len && !error) { 4418 val = (val*16) + get_hex(s[i], &error); 4419 i++; 4420 } 4421 if (error) { 4422 return false; 4423 } 4424 } else { 4425 if (outValue) 4426 outValue->dataType = outValue->TYPE_INT_DEC; 4427 while (i < len) { 4428 if (s[i] < '0' || s[i] > '9') { 4429 return false; 4430 } 4431 val = (val*10) + s[i]-'0'; 4432 i++; 4433 } 4434 } 4435 4436 if (neg) val = -val; 4437 4438 while (i < len && isspace16(s[i])) { 4439 i++; 4440 } 4441 4442 if (i == len) { 4443 if (outValue) 4444 outValue->data = val; 4445 return true; 4446 } 4447 4448 return false; 4449} 4450 4451bool ResTable::stringToFloat(const char16_t* s, size_t len, Res_value* outValue) 4452{ 4453 while (len > 0 && isspace16(*s)) { 4454 s++; 4455 len--; 4456 } 4457 4458 if (len <= 0) { 4459 return false; 4460 } 4461 4462 char buf[128]; 4463 int i=0; 4464 while (len > 0 && *s != 0 && i < 126) { 4465 if (*s > 255) { 4466 return false; 4467 } 4468 buf[i++] = *s++; 4469 len--; 4470 } 4471 4472 if (len > 0) { 4473 return false; 4474 } 4475 if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') { 4476 return false; 4477 } 4478 4479 buf[i] = 0; 4480 const char* end; 4481 float f = strtof(buf, (char**)&end); 4482 4483 if (*end != 0 && !isspace((unsigned char)*end)) { 4484 // Might be a unit... 4485 float scale; 4486 if (parse_unit(end, outValue, &scale, &end)) { 4487 f *= scale; 4488 const bool neg = f < 0; 4489 if (neg) f = -f; 4490 uint64_t bits = (uint64_t)(f*(1<<23)+.5f); 4491 uint32_t radix; 4492 uint32_t shift; 4493 if ((bits&0x7fffff) == 0) { 4494 // Always use 23p0 if there is no fraction, just to make 4495 // things easier to read. 4496 radix = Res_value::COMPLEX_RADIX_23p0; 4497 shift = 23; 4498 } else if ((bits&0xffffffffff800000LL) == 0) { 4499 // Magnitude is zero -- can fit in 0 bits of precision. 4500 radix = Res_value::COMPLEX_RADIX_0p23; 4501 shift = 0; 4502 } else if ((bits&0xffffffff80000000LL) == 0) { 4503 // Magnitude can fit in 8 bits of precision. 4504 radix = Res_value::COMPLEX_RADIX_8p15; 4505 shift = 8; 4506 } else if ((bits&0xffffff8000000000LL) == 0) { 4507 // Magnitude can fit in 16 bits of precision. 4508 radix = Res_value::COMPLEX_RADIX_16p7; 4509 shift = 16; 4510 } else { 4511 // Magnitude needs entire range, so no fractional part. 4512 radix = Res_value::COMPLEX_RADIX_23p0; 4513 shift = 23; 4514 } 4515 int32_t mantissa = (int32_t)( 4516 (bits>>shift) & Res_value::COMPLEX_MANTISSA_MASK); 4517 if (neg) { 4518 mantissa = (-mantissa) & Res_value::COMPLEX_MANTISSA_MASK; 4519 } 4520 outValue->data |= 4521 (radix<<Res_value::COMPLEX_RADIX_SHIFT) 4522 | (mantissa<<Res_value::COMPLEX_MANTISSA_SHIFT); 4523 //printf("Input value: %f 0x%016Lx, mult: %f, radix: %d, shift: %d, final: 0x%08x\n", 4524 // f * (neg ? -1 : 1), bits, f*(1<<23), 4525 // radix, shift, outValue->data); 4526 return true; 4527 } 4528 return false; 4529 } 4530 4531 while (*end != 0 && isspace((unsigned char)*end)) { 4532 end++; 4533 } 4534 4535 if (*end == 0) { 4536 if (outValue) { 4537 outValue->dataType = outValue->TYPE_FLOAT; 4538 *(float*)(&outValue->data) = f; 4539 return true; 4540 } 4541 } 4542 4543 return false; 4544} 4545 4546bool ResTable::stringToValue(Res_value* outValue, String16* outString, 4547 const char16_t* s, size_t len, 4548 bool preserveSpaces, bool coerceType, 4549 uint32_t attrID, 4550 const String16* defType, 4551 const String16* defPackage, 4552 Accessor* accessor, 4553 void* accessorCookie, 4554 uint32_t attrType, 4555 bool enforcePrivate) const 4556{ 4557 bool localizationSetting = accessor != NULL && accessor->getLocalizationSetting(); 4558 const char* errorMsg = NULL; 4559 4560 outValue->size = sizeof(Res_value); 4561 outValue->res0 = 0; 4562 4563 // First strip leading/trailing whitespace. Do this before handling 4564 // escapes, so they can be used to force whitespace into the string. 4565 if (!preserveSpaces) { 4566 while (len > 0 && isspace16(*s)) { 4567 s++; 4568 len--; 4569 } 4570 while (len > 0 && isspace16(s[len-1])) { 4571 len--; 4572 } 4573 // If the string ends with '\', then we keep the space after it. 4574 if (len > 0 && s[len-1] == '\\' && s[len] != 0) { 4575 len++; 4576 } 4577 } 4578 4579 //printf("Value for: %s\n", String8(s, len).string()); 4580 4581 uint32_t l10nReq = ResTable_map::L10N_NOT_REQUIRED; 4582 uint32_t attrMin = 0x80000000, attrMax = 0x7fffffff; 4583 bool fromAccessor = false; 4584 if (attrID != 0 && !Res_INTERNALID(attrID)) { 4585 const ssize_t p = getResourcePackageIndex(attrID); 4586 const bag_entry* bag; 4587 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4588 //printf("For attr 0x%08x got bag of %d\n", attrID, cnt); 4589 if (cnt >= 0) { 4590 while (cnt > 0) { 4591 //printf("Entry 0x%08x = 0x%08x\n", bag->map.name.ident, bag->map.value.data); 4592 switch (bag->map.name.ident) { 4593 case ResTable_map::ATTR_TYPE: 4594 attrType = bag->map.value.data; 4595 break; 4596 case ResTable_map::ATTR_MIN: 4597 attrMin = bag->map.value.data; 4598 break; 4599 case ResTable_map::ATTR_MAX: 4600 attrMax = bag->map.value.data; 4601 break; 4602 case ResTable_map::ATTR_L10N: 4603 l10nReq = bag->map.value.data; 4604 break; 4605 } 4606 bag++; 4607 cnt--; 4608 } 4609 unlockBag(bag); 4610 } else if (accessor && accessor->getAttributeType(attrID, &attrType)) { 4611 fromAccessor = true; 4612 if (attrType == ResTable_map::TYPE_ENUM 4613 || attrType == ResTable_map::TYPE_FLAGS 4614 || attrType == ResTable_map::TYPE_INTEGER) { 4615 accessor->getAttributeMin(attrID, &attrMin); 4616 accessor->getAttributeMax(attrID, &attrMax); 4617 } 4618 if (localizationSetting) { 4619 l10nReq = accessor->getAttributeL10N(attrID); 4620 } 4621 } 4622 } 4623 4624 const bool canStringCoerce = 4625 coerceType && (attrType&ResTable_map::TYPE_STRING) != 0; 4626 4627 if (*s == '@') { 4628 outValue->dataType = outValue->TYPE_REFERENCE; 4629 4630 // Note: we don't check attrType here because the reference can 4631 // be to any other type; we just need to count on the client making 4632 // sure the referenced type is correct. 4633 4634 //printf("Looking up ref: %s\n", String8(s, len).string()); 4635 4636 // It's a reference! 4637 if (len == 5 && s[1]=='n' && s[2]=='u' && s[3]=='l' && s[4]=='l') { 4638 outValue->data = 0; 4639 return true; 4640 } else { 4641 bool createIfNotFound = false; 4642 const char16_t* resourceRefName; 4643 int resourceNameLen; 4644 if (len > 2 && s[1] == '+') { 4645 createIfNotFound = true; 4646 resourceRefName = s + 2; 4647 resourceNameLen = len - 2; 4648 } else if (len > 2 && s[1] == '*') { 4649 enforcePrivate = false; 4650 resourceRefName = s + 2; 4651 resourceNameLen = len - 2; 4652 } else { 4653 createIfNotFound = false; 4654 resourceRefName = s + 1; 4655 resourceNameLen = len - 1; 4656 } 4657 String16 package, type, name; 4658 if (!expandResourceRef(resourceRefName,resourceNameLen, &package, &type, &name, 4659 defType, defPackage, &errorMsg)) { 4660 if (accessor != NULL) { 4661 accessor->reportError(accessorCookie, errorMsg); 4662 } 4663 return false; 4664 } 4665 4666 uint32_t specFlags = 0; 4667 uint32_t rid = identifierForName(name.string(), name.size(), type.string(), 4668 type.size(), package.string(), package.size(), &specFlags); 4669 if (rid != 0) { 4670 if (enforcePrivate) { 4671 if (accessor == NULL || accessor->getAssetsPackage() != package) { 4672 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 4673 if (accessor != NULL) { 4674 accessor->reportError(accessorCookie, "Resource is not public."); 4675 } 4676 return false; 4677 } 4678 } 4679 } 4680 4681 if (accessor) { 4682 rid = Res_MAKEID( 4683 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 4684 Res_GETTYPE(rid), Res_GETENTRY(rid)); 4685 TABLE_NOISY(printf("Incl %s:%s/%s: 0x%08x\n", 4686 String8(package).string(), String8(type).string(), 4687 String8(name).string(), rid)); 4688 } 4689 4690 uint32_t packageId = Res_GETPACKAGE(rid) + 1; 4691 if (packageId != APP_PACKAGE_ID && packageId != SYS_PACKAGE_ID) { 4692 outValue->dataType = Res_value::TYPE_DYNAMIC_REFERENCE; 4693 } 4694 outValue->data = rid; 4695 return true; 4696 } 4697 4698 if (accessor) { 4699 uint32_t rid = accessor->getCustomResourceWithCreation(package, type, name, 4700 createIfNotFound); 4701 if (rid != 0) { 4702 TABLE_NOISY(printf("Pckg %s:%s/%s: 0x%08x\n", 4703 String8(package).string(), String8(type).string(), 4704 String8(name).string(), rid)); 4705 uint32_t packageId = Res_GETPACKAGE(rid) + 1; 4706 if (packageId == 0x00) { 4707 outValue->data = rid; 4708 outValue->dataType = Res_value::TYPE_DYNAMIC_REFERENCE; 4709 return true; 4710 } else if (packageId == APP_PACKAGE_ID || packageId == SYS_PACKAGE_ID) { 4711 // We accept packageId's generated as 0x01 in order to support 4712 // building the android system resources 4713 outValue->data = rid; 4714 return true; 4715 } 4716 } 4717 } 4718 } 4719 4720 if (accessor != NULL) { 4721 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 4722 } 4723 return false; 4724 } 4725 4726 // if we got to here, and localization is required and it's not a reference, 4727 // complain and bail. 4728 if (l10nReq == ResTable_map::L10N_SUGGESTED) { 4729 if (localizationSetting) { 4730 if (accessor != NULL) { 4731 accessor->reportError(accessorCookie, "This attribute must be localized."); 4732 } 4733 } 4734 } 4735 4736 if (*s == '#') { 4737 // It's a color! Convert to an integer of the form 0xaarrggbb. 4738 uint32_t color = 0; 4739 bool error = false; 4740 if (len == 4) { 4741 outValue->dataType = outValue->TYPE_INT_COLOR_RGB4; 4742 color |= 0xFF000000; 4743 color |= get_hex(s[1], &error) << 20; 4744 color |= get_hex(s[1], &error) << 16; 4745 color |= get_hex(s[2], &error) << 12; 4746 color |= get_hex(s[2], &error) << 8; 4747 color |= get_hex(s[3], &error) << 4; 4748 color |= get_hex(s[3], &error); 4749 } else if (len == 5) { 4750 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB4; 4751 color |= get_hex(s[1], &error) << 28; 4752 color |= get_hex(s[1], &error) << 24; 4753 color |= get_hex(s[2], &error) << 20; 4754 color |= get_hex(s[2], &error) << 16; 4755 color |= get_hex(s[3], &error) << 12; 4756 color |= get_hex(s[3], &error) << 8; 4757 color |= get_hex(s[4], &error) << 4; 4758 color |= get_hex(s[4], &error); 4759 } else if (len == 7) { 4760 outValue->dataType = outValue->TYPE_INT_COLOR_RGB8; 4761 color |= 0xFF000000; 4762 color |= get_hex(s[1], &error) << 20; 4763 color |= get_hex(s[2], &error) << 16; 4764 color |= get_hex(s[3], &error) << 12; 4765 color |= get_hex(s[4], &error) << 8; 4766 color |= get_hex(s[5], &error) << 4; 4767 color |= get_hex(s[6], &error); 4768 } else if (len == 9) { 4769 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB8; 4770 color |= get_hex(s[1], &error) << 28; 4771 color |= get_hex(s[2], &error) << 24; 4772 color |= get_hex(s[3], &error) << 20; 4773 color |= get_hex(s[4], &error) << 16; 4774 color |= get_hex(s[5], &error) << 12; 4775 color |= get_hex(s[6], &error) << 8; 4776 color |= get_hex(s[7], &error) << 4; 4777 color |= get_hex(s[8], &error); 4778 } else { 4779 error = true; 4780 } 4781 if (!error) { 4782 if ((attrType&ResTable_map::TYPE_COLOR) == 0) { 4783 if (!canStringCoerce) { 4784 if (accessor != NULL) { 4785 accessor->reportError(accessorCookie, 4786 "Color types not allowed"); 4787 } 4788 return false; 4789 } 4790 } else { 4791 outValue->data = color; 4792 //printf("Color input=%s, output=0x%x\n", String8(s, len).string(), color); 4793 return true; 4794 } 4795 } else { 4796 if ((attrType&ResTable_map::TYPE_COLOR) != 0) { 4797 if (accessor != NULL) { 4798 accessor->reportError(accessorCookie, "Color value not valid --" 4799 " must be #rgb, #argb, #rrggbb, or #aarrggbb"); 4800 } 4801 #if 0 4802 fprintf(stderr, "%s: Color ID %s value %s is not valid\n", 4803 "Resource File", //(const char*)in->getPrintableSource(), 4804 String8(*curTag).string(), 4805 String8(s, len).string()); 4806 #endif 4807 return false; 4808 } 4809 } 4810 } 4811 4812 if (*s == '?') { 4813 outValue->dataType = outValue->TYPE_ATTRIBUTE; 4814 4815 // Note: we don't check attrType here because the reference can 4816 // be to any other type; we just need to count on the client making 4817 // sure the referenced type is correct. 4818 4819 //printf("Looking up attr: %s\n", String8(s, len).string()); 4820 4821 static const String16 attr16("attr"); 4822 String16 package, type, name; 4823 if (!expandResourceRef(s+1, len-1, &package, &type, &name, 4824 &attr16, defPackage, &errorMsg)) { 4825 if (accessor != NULL) { 4826 accessor->reportError(accessorCookie, errorMsg); 4827 } 4828 return false; 4829 } 4830 4831 //printf("Pkg: %s, Type: %s, Name: %s\n", 4832 // String8(package).string(), String8(type).string(), 4833 // String8(name).string()); 4834 uint32_t specFlags = 0; 4835 uint32_t rid = 4836 identifierForName(name.string(), name.size(), 4837 type.string(), type.size(), 4838 package.string(), package.size(), &specFlags); 4839 if (rid != 0) { 4840 if (enforcePrivate) { 4841 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 4842 if (accessor != NULL) { 4843 accessor->reportError(accessorCookie, "Attribute is not public."); 4844 } 4845 return false; 4846 } 4847 } 4848 if (!accessor) { 4849 outValue->data = rid; 4850 return true; 4851 } 4852 rid = Res_MAKEID( 4853 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 4854 Res_GETTYPE(rid), Res_GETENTRY(rid)); 4855 //printf("Incl %s:%s/%s: 0x%08x\n", 4856 // String8(package).string(), String8(type).string(), 4857 // String8(name).string(), rid); 4858 outValue->data = rid; 4859 return true; 4860 } 4861 4862 if (accessor) { 4863 uint32_t rid = accessor->getCustomResource(package, type, name); 4864 if (rid != 0) { 4865 //printf("Mine %s:%s/%s: 0x%08x\n", 4866 // String8(package).string(), String8(type).string(), 4867 // String8(name).string(), rid); 4868 outValue->data = rid; 4869 return true; 4870 } 4871 } 4872 4873 if (accessor != NULL) { 4874 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 4875 } 4876 return false; 4877 } 4878 4879 if (stringToInt(s, len, outValue)) { 4880 if ((attrType&ResTable_map::TYPE_INTEGER) == 0) { 4881 // If this type does not allow integers, but does allow floats, 4882 // fall through on this error case because the float type should 4883 // be able to accept any integer value. 4884 if (!canStringCoerce && (attrType&ResTable_map::TYPE_FLOAT) == 0) { 4885 if (accessor != NULL) { 4886 accessor->reportError(accessorCookie, "Integer types not allowed"); 4887 } 4888 return false; 4889 } 4890 } else { 4891 if (((int32_t)outValue->data) < ((int32_t)attrMin) 4892 || ((int32_t)outValue->data) > ((int32_t)attrMax)) { 4893 if (accessor != NULL) { 4894 accessor->reportError(accessorCookie, "Integer value out of range"); 4895 } 4896 return false; 4897 } 4898 return true; 4899 } 4900 } 4901 4902 if (stringToFloat(s, len, outValue)) { 4903 if (outValue->dataType == Res_value::TYPE_DIMENSION) { 4904 if ((attrType&ResTable_map::TYPE_DIMENSION) != 0) { 4905 return true; 4906 } 4907 if (!canStringCoerce) { 4908 if (accessor != NULL) { 4909 accessor->reportError(accessorCookie, "Dimension types not allowed"); 4910 } 4911 return false; 4912 } 4913 } else if (outValue->dataType == Res_value::TYPE_FRACTION) { 4914 if ((attrType&ResTable_map::TYPE_FRACTION) != 0) { 4915 return true; 4916 } 4917 if (!canStringCoerce) { 4918 if (accessor != NULL) { 4919 accessor->reportError(accessorCookie, "Fraction types not allowed"); 4920 } 4921 return false; 4922 } 4923 } else if ((attrType&ResTable_map::TYPE_FLOAT) == 0) { 4924 if (!canStringCoerce) { 4925 if (accessor != NULL) { 4926 accessor->reportError(accessorCookie, "Float types not allowed"); 4927 } 4928 return false; 4929 } 4930 } else { 4931 return true; 4932 } 4933 } 4934 4935 if (len == 4) { 4936 if ((s[0] == 't' || s[0] == 'T') && 4937 (s[1] == 'r' || s[1] == 'R') && 4938 (s[2] == 'u' || s[2] == 'U') && 4939 (s[3] == 'e' || s[3] == 'E')) { 4940 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 4941 if (!canStringCoerce) { 4942 if (accessor != NULL) { 4943 accessor->reportError(accessorCookie, "Boolean types not allowed"); 4944 } 4945 return false; 4946 } 4947 } else { 4948 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 4949 outValue->data = (uint32_t)-1; 4950 return true; 4951 } 4952 } 4953 } 4954 4955 if (len == 5) { 4956 if ((s[0] == 'f' || s[0] == 'F') && 4957 (s[1] == 'a' || s[1] == 'A') && 4958 (s[2] == 'l' || s[2] == 'L') && 4959 (s[3] == 's' || s[3] == 'S') && 4960 (s[4] == 'e' || s[4] == 'E')) { 4961 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 4962 if (!canStringCoerce) { 4963 if (accessor != NULL) { 4964 accessor->reportError(accessorCookie, "Boolean types not allowed"); 4965 } 4966 return false; 4967 } 4968 } else { 4969 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 4970 outValue->data = 0; 4971 return true; 4972 } 4973 } 4974 } 4975 4976 if ((attrType&ResTable_map::TYPE_ENUM) != 0) { 4977 const ssize_t p = getResourcePackageIndex(attrID); 4978 const bag_entry* bag; 4979 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4980 //printf("Got %d for enum\n", cnt); 4981 if (cnt >= 0) { 4982 resource_name rname; 4983 while (cnt > 0) { 4984 if (!Res_INTERNALID(bag->map.name.ident)) { 4985 //printf("Trying attr #%08x\n", bag->map.name.ident); 4986 if (getResourceName(bag->map.name.ident, false, &rname)) { 4987 #if 0 4988 printf("Matching %s against %s (0x%08x)\n", 4989 String8(s, len).string(), 4990 String8(rname.name, rname.nameLen).string(), 4991 bag->map.name.ident); 4992 #endif 4993 if (strzcmp16(s, len, rname.name, rname.nameLen) == 0) { 4994 outValue->dataType = bag->map.value.dataType; 4995 outValue->data = bag->map.value.data; 4996 unlockBag(bag); 4997 return true; 4998 } 4999 } 5000 5001 } 5002 bag++; 5003 cnt--; 5004 } 5005 unlockBag(bag); 5006 } 5007 5008 if (fromAccessor) { 5009 if (accessor->getAttributeEnum(attrID, s, len, outValue)) { 5010 return true; 5011 } 5012 } 5013 } 5014 5015 if ((attrType&ResTable_map::TYPE_FLAGS) != 0) { 5016 const ssize_t p = getResourcePackageIndex(attrID); 5017 const bag_entry* bag; 5018 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 5019 //printf("Got %d for flags\n", cnt); 5020 if (cnt >= 0) { 5021 bool failed = false; 5022 resource_name rname; 5023 outValue->dataType = Res_value::TYPE_INT_HEX; 5024 outValue->data = 0; 5025 const char16_t* end = s + len; 5026 const char16_t* pos = s; 5027 while (pos < end && !failed) { 5028 const char16_t* start = pos; 5029 pos++; 5030 while (pos < end && *pos != '|') { 5031 pos++; 5032 } 5033 //printf("Looking for: %s\n", String8(start, pos-start).string()); 5034 const bag_entry* bagi = bag; 5035 ssize_t i; 5036 for (i=0; i<cnt; i++, bagi++) { 5037 if (!Res_INTERNALID(bagi->map.name.ident)) { 5038 //printf("Trying attr #%08x\n", bagi->map.name.ident); 5039 if (getResourceName(bagi->map.name.ident, false, &rname)) { 5040 #if 0 5041 printf("Matching %s against %s (0x%08x)\n", 5042 String8(start,pos-start).string(), 5043 String8(rname.name, rname.nameLen).string(), 5044 bagi->map.name.ident); 5045 #endif 5046 if (strzcmp16(start, pos-start, rname.name, rname.nameLen) == 0) { 5047 outValue->data |= bagi->map.value.data; 5048 break; 5049 } 5050 } 5051 } 5052 } 5053 if (i >= cnt) { 5054 // Didn't find this flag identifier. 5055 failed = true; 5056 } 5057 if (pos < end) { 5058 pos++; 5059 } 5060 } 5061 unlockBag(bag); 5062 if (!failed) { 5063 //printf("Final flag value: 0x%lx\n", outValue->data); 5064 return true; 5065 } 5066 } 5067 5068 5069 if (fromAccessor) { 5070 if (accessor->getAttributeFlags(attrID, s, len, outValue)) { 5071 //printf("Final flag value: 0x%lx\n", outValue->data); 5072 return true; 5073 } 5074 } 5075 } 5076 5077 if ((attrType&ResTable_map::TYPE_STRING) == 0) { 5078 if (accessor != NULL) { 5079 accessor->reportError(accessorCookie, "String types not allowed"); 5080 } 5081 return false; 5082 } 5083 5084 // Generic string handling... 5085 outValue->dataType = outValue->TYPE_STRING; 5086 if (outString) { 5087 bool failed = collectString(outString, s, len, preserveSpaces, &errorMsg); 5088 if (accessor != NULL) { 5089 accessor->reportError(accessorCookie, errorMsg); 5090 } 5091 return failed; 5092 } 5093 5094 return true; 5095} 5096 5097bool ResTable::collectString(String16* outString, 5098 const char16_t* s, size_t len, 5099 bool preserveSpaces, 5100 const char** outErrorMsg, 5101 bool append) 5102{ 5103 String16 tmp; 5104 5105 char quoted = 0; 5106 const char16_t* p = s; 5107 while (p < (s+len)) { 5108 while (p < (s+len)) { 5109 const char16_t c = *p; 5110 if (c == '\\') { 5111 break; 5112 } 5113 if (!preserveSpaces) { 5114 if (quoted == 0 && isspace16(c) 5115 && (c != ' ' || isspace16(*(p+1)))) { 5116 break; 5117 } 5118 if (c == '"' && (quoted == 0 || quoted == '"')) { 5119 break; 5120 } 5121 if (c == '\'' && (quoted == 0 || quoted == '\'')) { 5122 /* 5123 * In practice, when people write ' instead of \' 5124 * in a string, they are doing it by accident 5125 * instead of really meaning to use ' as a quoting 5126 * character. Warn them so they don't lose it. 5127 */ 5128 if (outErrorMsg) { 5129 *outErrorMsg = "Apostrophe not preceded by \\"; 5130 } 5131 return false; 5132 } 5133 } 5134 p++; 5135 } 5136 if (p < (s+len)) { 5137 if (p > s) { 5138 tmp.append(String16(s, p-s)); 5139 } 5140 if (!preserveSpaces && (*p == '"' || *p == '\'')) { 5141 if (quoted == 0) { 5142 quoted = *p; 5143 } else { 5144 quoted = 0; 5145 } 5146 p++; 5147 } else if (!preserveSpaces && isspace16(*p)) { 5148 // Space outside of a quote -- consume all spaces and 5149 // leave a single plain space char. 5150 tmp.append(String16(" ")); 5151 p++; 5152 while (p < (s+len) && isspace16(*p)) { 5153 p++; 5154 } 5155 } else if (*p == '\\') { 5156 p++; 5157 if (p < (s+len)) { 5158 switch (*p) { 5159 case 't': 5160 tmp.append(String16("\t")); 5161 break; 5162 case 'n': 5163 tmp.append(String16("\n")); 5164 break; 5165 case '#': 5166 tmp.append(String16("#")); 5167 break; 5168 case '@': 5169 tmp.append(String16("@")); 5170 break; 5171 case '?': 5172 tmp.append(String16("?")); 5173 break; 5174 case '"': 5175 tmp.append(String16("\"")); 5176 break; 5177 case '\'': 5178 tmp.append(String16("'")); 5179 break; 5180 case '\\': 5181 tmp.append(String16("\\")); 5182 break; 5183 case 'u': 5184 { 5185 char16_t chr = 0; 5186 int i = 0; 5187 while (i < 4 && p[1] != 0) { 5188 p++; 5189 i++; 5190 int c; 5191 if (*p >= '0' && *p <= '9') { 5192 c = *p - '0'; 5193 } else if (*p >= 'a' && *p <= 'f') { 5194 c = *p - 'a' + 10; 5195 } else if (*p >= 'A' && *p <= 'F') { 5196 c = *p - 'A' + 10; 5197 } else { 5198 if (outErrorMsg) { 5199 *outErrorMsg = "Bad character in \\u unicode escape sequence"; 5200 } 5201 return false; 5202 } 5203 chr = (chr<<4) | c; 5204 } 5205 tmp.append(String16(&chr, 1)); 5206 } break; 5207 default: 5208 // ignore unknown escape chars. 5209 break; 5210 } 5211 p++; 5212 } 5213 } 5214 len -= (p-s); 5215 s = p; 5216 } 5217 } 5218 5219 if (tmp.size() != 0) { 5220 if (len > 0) { 5221 tmp.append(String16(s, len)); 5222 } 5223 if (append) { 5224 outString->append(tmp); 5225 } else { 5226 outString->setTo(tmp); 5227 } 5228 } else { 5229 if (append) { 5230 outString->append(String16(s, len)); 5231 } else { 5232 outString->setTo(s, len); 5233 } 5234 } 5235 5236 return true; 5237} 5238 5239size_t ResTable::getBasePackageCount() const 5240{ 5241 if (mError != NO_ERROR) { 5242 return 0; 5243 } 5244 return mPackageGroups.size(); 5245} 5246 5247const String16 ResTable::getBasePackageName(size_t idx) const 5248{ 5249 if (mError != NO_ERROR) { 5250 return String16(); 5251 } 5252 LOG_FATAL_IF(idx >= mPackageGroups.size(), 5253 "Requested package index %d past package count %d", 5254 (int)idx, (int)mPackageGroups.size()); 5255 return mPackageGroups[idx]->name; 5256} 5257 5258uint32_t ResTable::getBasePackageId(size_t idx) const 5259{ 5260 if (mError != NO_ERROR) { 5261 return 0; 5262 } 5263 LOG_FATAL_IF(idx >= mPackageGroups.size(), 5264 "Requested package index %d past package count %d", 5265 (int)idx, (int)mPackageGroups.size()); 5266 return mPackageGroups[idx]->id; 5267} 5268 5269uint32_t ResTable::getLastTypeIdForPackage(size_t idx) const 5270{ 5271 if (mError != NO_ERROR) { 5272 return 0; 5273 } 5274 LOG_FATAL_IF(idx >= mPackageGroups.size(), 5275 "Requested package index %d past package count %d", 5276 (int)idx, (int)mPackageGroups.size()); 5277 const PackageGroup* const group = mPackageGroups[idx]; 5278 return group->largestTypeId; 5279} 5280 5281size_t ResTable::getTableCount() const 5282{ 5283 return mHeaders.size(); 5284} 5285 5286const ResStringPool* ResTable::getTableStringBlock(size_t index) const 5287{ 5288 return &mHeaders[index]->values; 5289} 5290 5291int32_t ResTable::getTableCookie(size_t index) const 5292{ 5293 return mHeaders[index]->cookie; 5294} 5295 5296const DynamicRefTable* ResTable::getDynamicRefTableForCookie(int32_t cookie) const 5297{ 5298 const size_t N = mPackageGroups.size(); 5299 for (size_t i = 0; i < N; i++) { 5300 const PackageGroup* pg = mPackageGroups[i]; 5301 size_t M = pg->packages.size(); 5302 for (size_t j = 0; j < M; j++) { 5303 if (pg->packages[j]->header->cookie == cookie) { 5304 return &pg->dynamicRefTable; 5305 } 5306 } 5307 } 5308 return NULL; 5309} 5310 5311void ResTable::getConfigurations(Vector<ResTable_config>* configs) const 5312{ 5313 const size_t packageCount = mPackageGroups.size(); 5314 for (size_t i = 0; i < packageCount; i++) { 5315 const PackageGroup* packageGroup = mPackageGroups[i]; 5316 const size_t typeCount = packageGroup->types.size(); 5317 for (size_t j = 0; j < typeCount; j++) { 5318 const TypeList& typeList = packageGroup->types[j]; 5319 const size_t numTypes = typeList.size(); 5320 for (size_t k = 0; k < numTypes; k++) { 5321 const Type* type = typeList[k]; 5322 const size_t numConfigs = type->configs.size(); 5323 for (size_t m = 0; m < numConfigs; m++) { 5324 const ResTable_type* config = type->configs[m]; 5325 ResTable_config cfg; 5326 memset(&cfg, 0, sizeof(ResTable_config)); 5327 cfg.copyFromDtoH(config->config); 5328 // only insert unique 5329 const size_t N = configs->size(); 5330 size_t n; 5331 for (n = 0; n < N; n++) { 5332 if (0 == (*configs)[n].compare(cfg)) { 5333 break; 5334 } 5335 } 5336 // if we didn't find it 5337 if (n == N) { 5338 configs->add(cfg); 5339 } 5340 } 5341 } 5342 } 5343 } 5344} 5345 5346void ResTable::getLocales(Vector<String8>* locales) const 5347{ 5348 Vector<ResTable_config> configs; 5349 ALOGV("calling getConfigurations"); 5350 getConfigurations(&configs); 5351 ALOGV("called getConfigurations size=%d", (int)configs.size()); 5352 const size_t I = configs.size(); 5353 5354 char locale[RESTABLE_MAX_LOCALE_LEN]; 5355 for (size_t i=0; i<I; i++) { 5356 configs[i].getBcp47Locale(locale); 5357 const size_t J = locales->size(); 5358 size_t j; 5359 for (j=0; j<J; j++) { 5360 if (0 == strcmp(locale, (*locales)[j].string())) { 5361 break; 5362 } 5363 } 5364 if (j == J) { 5365 locales->add(String8(locale)); 5366 } 5367 } 5368} 5369 5370StringPoolRef::StringPoolRef(const ResStringPool* pool, uint32_t index) 5371 : mPool(pool), mIndex(index) {} 5372 5373StringPoolRef::StringPoolRef() 5374 : mPool(NULL), mIndex(0) {} 5375 5376const char* StringPoolRef::string8(size_t* outLen) const { 5377 if (mPool != NULL) { 5378 return mPool->string8At(mIndex, outLen); 5379 } 5380 if (outLen != NULL) { 5381 *outLen = 0; 5382 } 5383 return NULL; 5384} 5385 5386const char16_t* StringPoolRef::string16(size_t* outLen) const { 5387 if (mPool != NULL) { 5388 return mPool->stringAt(mIndex, outLen); 5389 } 5390 if (outLen != NULL) { 5391 *outLen = 0; 5392 } 5393 return NULL; 5394} 5395 5396bool ResTable::getResourceFlags(uint32_t resID, uint32_t* outFlags) const { 5397 if (mError != NO_ERROR) { 5398 return false; 5399 } 5400 5401 const ssize_t p = getResourcePackageIndex(resID); 5402 const int t = Res_GETTYPE(resID); 5403 const int e = Res_GETENTRY(resID); 5404 5405 if (p < 0) { 5406 if (Res_GETPACKAGE(resID)+1 == 0) { 5407 ALOGW("No package identifier when getting flags for resource number 0x%08x", resID); 5408 } else { 5409 ALOGW("No known package when getting flags for resource number 0x%08x", resID); 5410 } 5411 return false; 5412 } 5413 if (t < 0) { 5414 ALOGW("No type identifier when getting flags for resource number 0x%08x", resID); 5415 return false; 5416 } 5417 5418 const PackageGroup* const grp = mPackageGroups[p]; 5419 if (grp == NULL) { 5420 ALOGW("Bad identifier when getting flags for resource number 0x%08x", resID); 5421 return false; 5422 } 5423 5424 Entry entry; 5425 status_t err = getEntry(grp, t, e, NULL, &entry); 5426 if (err != NO_ERROR) { 5427 return false; 5428 } 5429 5430 *outFlags = entry.specFlags; 5431 return true; 5432} 5433 5434status_t ResTable::getEntry( 5435 const PackageGroup* packageGroup, int typeIndex, int entryIndex, 5436 const ResTable_config* config, 5437 Entry* outEntry) const 5438{ 5439 const TypeList& typeList = packageGroup->types[typeIndex]; 5440 if (typeList.isEmpty()) { 5441 ALOGV("Skipping entry type index 0x%02x because type is NULL!\n", typeIndex); 5442 return BAD_TYPE; 5443 } 5444 5445 const ResTable_type* bestType = NULL; 5446 uint32_t bestOffset = ResTable_type::NO_ENTRY; 5447 const Package* bestPackage = NULL; 5448 uint32_t specFlags = 0; 5449 uint8_t actualTypeIndex = typeIndex; 5450 ResTable_config bestConfig; 5451 memset(&bestConfig, 0, sizeof(bestConfig)); 5452 5453 // Iterate over the Types of each package. 5454 const size_t typeCount = typeList.size(); 5455 for (size_t i = 0; i < typeCount; i++) { 5456 const Type* const typeSpec = typeList[i]; 5457 5458 int realEntryIndex = entryIndex; 5459 int realTypeIndex = typeIndex; 5460 bool currentTypeIsOverlay = false; 5461 5462 // Runtime overlay packages provide a mapping of app resource 5463 // ID to package resource ID. 5464 if (typeSpec->idmapEntries.hasEntries()) { 5465 uint16_t overlayEntryIndex; 5466 if (typeSpec->idmapEntries.lookup(entryIndex, &overlayEntryIndex) != NO_ERROR) { 5467 // No such mapping exists 5468 continue; 5469 } 5470 realEntryIndex = overlayEntryIndex; 5471 realTypeIndex = typeSpec->idmapEntries.overlayTypeId() - 1; 5472 currentTypeIsOverlay = true; 5473 } 5474 5475 if (static_cast<size_t>(realEntryIndex) >= typeSpec->entryCount) { 5476 ALOGW("For resource 0x%08x, entry index(%d) is beyond type entryCount(%d)", 5477 Res_MAKEID(packageGroup->id - 1, typeIndex, entryIndex), 5478 entryIndex, static_cast<int>(typeSpec->entryCount)); 5479 // We should normally abort here, but some legacy apps declare 5480 // resources in the 'android' package (old bug in AAPT). 5481 continue; 5482 } 5483 5484 // Aggregate all the flags for each package that defines this entry. 5485 if (typeSpec->typeSpecFlags != NULL) { 5486 specFlags |= dtohl(typeSpec->typeSpecFlags[realEntryIndex]); 5487 } else { 5488 specFlags = -1; 5489 } 5490 5491 const size_t numConfigs = typeSpec->configs.size(); 5492 for (size_t c = 0; c < numConfigs; c++) { 5493 const ResTable_type* const thisType = typeSpec->configs[c]; 5494 if (thisType == NULL) { 5495 continue; 5496 } 5497 5498 ResTable_config thisConfig; 5499 thisConfig.copyFromDtoH(thisType->config); 5500 5501 // Check to make sure this one is valid for the current parameters. 5502 if (config != NULL && !thisConfig.match(*config)) { 5503 continue; 5504 } 5505 5506 // Check if there is the desired entry in this type. 5507 const uint8_t* const end = reinterpret_cast<const uint8_t*>(thisType) 5508 + dtohl(thisType->header.size); 5509 const uint32_t* const eindex = reinterpret_cast<const uint32_t*>( 5510 reinterpret_cast<const uint8_t*>(thisType) + dtohs(thisType->header.headerSize)); 5511 5512 uint32_t thisOffset = dtohl(eindex[realEntryIndex]); 5513 if (thisOffset == ResTable_type::NO_ENTRY) { 5514 // There is no entry for this index and configuration. 5515 continue; 5516 } 5517 5518 if (bestType != NULL) { 5519 // Check if this one is less specific than the last found. If so, 5520 // we will skip it. We check starting with things we most care 5521 // about to those we least care about. 5522 if (!thisConfig.isBetterThan(bestConfig, config)) { 5523 if (!currentTypeIsOverlay || thisConfig.compare(bestConfig) != 0) { 5524 continue; 5525 } 5526 } 5527 } 5528 5529 bestType = thisType; 5530 bestOffset = thisOffset; 5531 bestConfig = thisConfig; 5532 bestPackage = typeSpec->package; 5533 actualTypeIndex = realTypeIndex; 5534 5535 // If no config was specified, any type will do, so skip 5536 if (config == NULL) { 5537 break; 5538 } 5539 } 5540 } 5541 5542 if (bestType == NULL) { 5543 return BAD_INDEX; 5544 } 5545 5546 bestOffset += dtohl(bestType->entriesStart); 5547 5548 if (bestOffset > (dtohl(bestType->header.size)-sizeof(ResTable_entry))) { 5549 ALOGW("ResTable_entry at 0x%x is beyond type chunk data 0x%x", 5550 bestOffset, dtohl(bestType->header.size)); 5551 return BAD_TYPE; 5552 } 5553 if ((bestOffset & 0x3) != 0) { 5554 ALOGW("ResTable_entry at 0x%x is not on an integer boundary", bestOffset); 5555 return BAD_TYPE; 5556 } 5557 5558 const ResTable_entry* const entry = reinterpret_cast<const ResTable_entry*>( 5559 reinterpret_cast<const uint8_t*>(bestType) + bestOffset); 5560 if (dtohs(entry->size) < sizeof(*entry)) { 5561 ALOGW("ResTable_entry size 0x%x is too small", dtohs(entry->size)); 5562 return BAD_TYPE; 5563 } 5564 5565 if (outEntry != NULL) { 5566 outEntry->entry = entry; 5567 outEntry->config = bestConfig; 5568 outEntry->type = bestType; 5569 outEntry->specFlags = specFlags; 5570 outEntry->package = bestPackage; 5571 outEntry->typeStr = StringPoolRef(&bestPackage->typeStrings, actualTypeIndex - bestPackage->typeIdOffset); 5572 outEntry->keyStr = StringPoolRef(&bestPackage->keyStrings, dtohl(entry->key.index)); 5573 } 5574 return NO_ERROR; 5575} 5576 5577status_t ResTable::parsePackage(const ResTable_package* const pkg, 5578 const Header* const header) 5579{ 5580 const uint8_t* base = (const uint8_t*)pkg; 5581 status_t err = validate_chunk(&pkg->header, sizeof(*pkg) - sizeof(pkg->typeIdOffset), 5582 header->dataEnd, "ResTable_package"); 5583 if (err != NO_ERROR) { 5584 return (mError=err); 5585 } 5586 5587 const uint32_t pkgSize = dtohl(pkg->header.size); 5588 5589 if (dtohl(pkg->typeStrings) >= pkgSize) { 5590 ALOGW("ResTable_package type strings at 0x%x are past chunk size 0x%x.", 5591 dtohl(pkg->typeStrings), pkgSize); 5592 return (mError=BAD_TYPE); 5593 } 5594 if ((dtohl(pkg->typeStrings)&0x3) != 0) { 5595 ALOGW("ResTable_package type strings at 0x%x is not on an integer boundary.", 5596 dtohl(pkg->typeStrings)); 5597 return (mError=BAD_TYPE); 5598 } 5599 if (dtohl(pkg->keyStrings) >= pkgSize) { 5600 ALOGW("ResTable_package key strings at 0x%x are past chunk size 0x%x.", 5601 dtohl(pkg->keyStrings), pkgSize); 5602 return (mError=BAD_TYPE); 5603 } 5604 if ((dtohl(pkg->keyStrings)&0x3) != 0) { 5605 ALOGW("ResTable_package key strings at 0x%x is not on an integer boundary.", 5606 dtohl(pkg->keyStrings)); 5607 return (mError=BAD_TYPE); 5608 } 5609 5610 uint32_t id = dtohl(pkg->id); 5611 KeyedVector<uint8_t, IdmapEntries> idmapEntries; 5612 5613 if (header->resourceIDMap != NULL) { 5614 uint8_t targetPackageId = 0; 5615 status_t err = parseIdmap(header->resourceIDMap, header->resourceIDMapSize, &targetPackageId, &idmapEntries); 5616 if (err != NO_ERROR) { 5617 ALOGW("Overlay is broken"); 5618 return (mError=err); 5619 } 5620 id = targetPackageId; 5621 } 5622 5623 if (id >= 256) { 5624 LOG_ALWAYS_FATAL("Package id out of range"); 5625 return NO_ERROR; 5626 } else if (id == 0) { 5627 // This is a library so assign an ID 5628 id = mNextPackageId++; 5629 } 5630 5631 PackageGroup* group = NULL; 5632 Package* package = new Package(this, header, pkg); 5633 if (package == NULL) { 5634 return (mError=NO_MEMORY); 5635 } 5636 5637 err = package->typeStrings.setTo(base+dtohl(pkg->typeStrings), 5638 header->dataEnd-(base+dtohl(pkg->typeStrings))); 5639 if (err != NO_ERROR) { 5640 delete group; 5641 delete package; 5642 return (mError=err); 5643 } 5644 5645 err = package->keyStrings.setTo(base+dtohl(pkg->keyStrings), 5646 header->dataEnd-(base+dtohl(pkg->keyStrings))); 5647 if (err != NO_ERROR) { 5648 delete group; 5649 delete package; 5650 return (mError=err); 5651 } 5652 5653 size_t idx = mPackageMap[id]; 5654 if (idx == 0) { 5655 idx = mPackageGroups.size() + 1; 5656 5657 char16_t tmpName[sizeof(pkg->name)/sizeof(char16_t)]; 5658 strcpy16_dtoh(tmpName, pkg->name, sizeof(pkg->name)/sizeof(char16_t)); 5659 group = new PackageGroup(this, String16(tmpName), id); 5660 if (group == NULL) { 5661 delete package; 5662 return (mError=NO_MEMORY); 5663 } 5664 5665 err = mPackageGroups.add(group); 5666 if (err < NO_ERROR) { 5667 return (mError=err); 5668 } 5669 5670 mPackageMap[id] = static_cast<uint8_t>(idx); 5671 5672 // Find all packages that reference this package 5673 size_t N = mPackageGroups.size(); 5674 for (size_t i = 0; i < N; i++) { 5675 mPackageGroups[i]->dynamicRefTable.addMapping( 5676 group->name, static_cast<uint8_t>(group->id)); 5677 } 5678 } else { 5679 group = mPackageGroups.itemAt(idx - 1); 5680 if (group == NULL) { 5681 return (mError=UNKNOWN_ERROR); 5682 } 5683 } 5684 5685 err = group->packages.add(package); 5686 if (err < NO_ERROR) { 5687 return (mError=err); 5688 } 5689 5690 // Iterate through all chunks. 5691 const ResChunk_header* chunk = 5692 (const ResChunk_header*)(((const uint8_t*)pkg) 5693 + dtohs(pkg->header.headerSize)); 5694 const uint8_t* endPos = ((const uint8_t*)pkg) + dtohs(pkg->header.size); 5695 while (((const uint8_t*)chunk) <= (endPos-sizeof(ResChunk_header)) && 5696 ((const uint8_t*)chunk) <= (endPos-dtohl(chunk->size))) { 5697 TABLE_NOISY(ALOGV("PackageChunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 5698 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 5699 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 5700 const size_t csize = dtohl(chunk->size); 5701 const uint16_t ctype = dtohs(chunk->type); 5702 if (ctype == RES_TABLE_TYPE_SPEC_TYPE) { 5703 const ResTable_typeSpec* typeSpec = (const ResTable_typeSpec*)(chunk); 5704 err = validate_chunk(&typeSpec->header, sizeof(*typeSpec), 5705 endPos, "ResTable_typeSpec"); 5706 if (err != NO_ERROR) { 5707 return (mError=err); 5708 } 5709 5710 const size_t typeSpecSize = dtohl(typeSpec->header.size); 5711 const size_t newEntryCount = dtohl(typeSpec->entryCount); 5712 5713 LOAD_TABLE_NOISY(printf("TypeSpec off %p: type=0x%x, headerSize=0x%x, size=%p\n", 5714 (void*)(base-(const uint8_t*)chunk), 5715 dtohs(typeSpec->header.type), 5716 dtohs(typeSpec->header.headerSize), 5717 (void*)typeSpecSize)); 5718 // look for block overrun or int overflow when multiplying by 4 5719 if ((dtohl(typeSpec->entryCount) > (INT32_MAX/sizeof(uint32_t)) 5720 || dtohs(typeSpec->header.headerSize)+(sizeof(uint32_t)*newEntryCount) 5721 > typeSpecSize)) { 5722 ALOGW("ResTable_typeSpec entry index to %p extends beyond chunk end %p.", 5723 (void*)(dtohs(typeSpec->header.headerSize) + (sizeof(uint32_t)*newEntryCount)), 5724 (void*)typeSpecSize); 5725 return (mError=BAD_TYPE); 5726 } 5727 5728 if (typeSpec->id == 0) { 5729 ALOGW("ResTable_type has an id of 0."); 5730 return (mError=BAD_TYPE); 5731 } 5732 5733 if (newEntryCount > 0) { 5734 uint8_t typeIndex = typeSpec->id - 1; 5735 ssize_t idmapIndex = idmapEntries.indexOfKey(typeSpec->id); 5736 if (idmapIndex >= 0) { 5737 typeIndex = idmapEntries[idmapIndex].targetTypeId() - 1; 5738 } 5739 5740 TypeList& typeList = group->types.editItemAt(typeIndex); 5741 if (!typeList.isEmpty()) { 5742 const Type* existingType = typeList[0]; 5743 if (existingType->entryCount != newEntryCount && idmapIndex < 0) { 5744 ALOGW("ResTable_typeSpec entry count inconsistent: given %d, previously %d", 5745 (int) newEntryCount, (int) existingType->entryCount); 5746 // We should normally abort here, but some legacy apps declare 5747 // resources in the 'android' package (old bug in AAPT). 5748 } 5749 } 5750 5751 Type* t = new Type(header, package, newEntryCount); 5752 t->typeSpec = typeSpec; 5753 t->typeSpecFlags = (const uint32_t*)( 5754 ((const uint8_t*)typeSpec) + dtohs(typeSpec->header.headerSize)); 5755 if (idmapIndex >= 0) { 5756 t->idmapEntries = idmapEntries[idmapIndex]; 5757 } 5758 typeList.add(t); 5759 group->largestTypeId = max(group->largestTypeId, typeSpec->id); 5760 } else { 5761 ALOGV("Skipping empty ResTable_typeSpec for type %d", typeSpec->id); 5762 } 5763 5764 } else if (ctype == RES_TABLE_TYPE_TYPE) { 5765 const ResTable_type* type = (const ResTable_type*)(chunk); 5766 err = validate_chunk(&type->header, sizeof(*type)-sizeof(ResTable_config)+4, 5767 endPos, "ResTable_type"); 5768 if (err != NO_ERROR) { 5769 return (mError=err); 5770 } 5771 5772 const uint32_t typeSize = dtohl(type->header.size); 5773 const size_t newEntryCount = dtohl(type->entryCount); 5774 5775 LOAD_TABLE_NOISY(printf("Type off %p: type=0x%x, headerSize=0x%x, size=%p\n", 5776 (void*)(base-(const uint8_t*)chunk), 5777 dtohs(type->header.type), 5778 dtohs(type->header.headerSize), 5779 (void*)typeSize)); 5780 if (dtohs(type->header.headerSize)+(sizeof(uint32_t)*newEntryCount) 5781 > typeSize) { 5782 ALOGW("ResTable_type entry index to %p extends beyond chunk end 0x%x.", 5783 (void*)(dtohs(type->header.headerSize) + (sizeof(uint32_t)*newEntryCount)), 5784 typeSize); 5785 return (mError=BAD_TYPE); 5786 } 5787 5788 if (newEntryCount != 0 5789 && dtohl(type->entriesStart) > (typeSize-sizeof(ResTable_entry))) { 5790 ALOGW("ResTable_type entriesStart at 0x%x extends beyond chunk end 0x%x.", 5791 dtohl(type->entriesStart), typeSize); 5792 return (mError=BAD_TYPE); 5793 } 5794 5795 if (type->id == 0) { 5796 ALOGW("ResTable_type has an id of 0."); 5797 return (mError=BAD_TYPE); 5798 } 5799 5800 if (newEntryCount > 0) { 5801 uint8_t typeIndex = type->id - 1; 5802 ssize_t idmapIndex = idmapEntries.indexOfKey(type->id); 5803 if (idmapIndex >= 0) { 5804 typeIndex = idmapEntries[idmapIndex].targetTypeId() - 1; 5805 } 5806 5807 TypeList& typeList = group->types.editItemAt(typeIndex); 5808 if (typeList.isEmpty()) { 5809 ALOGE("No TypeSpec for type %d", type->id); 5810 return (mError=BAD_TYPE); 5811 } 5812 5813 Type* t = typeList.editItemAt(typeList.size() - 1); 5814 if (newEntryCount != t->entryCount) { 5815 ALOGE("ResTable_type entry count inconsistent: given %d, previously %d", 5816 (int)newEntryCount, (int)t->entryCount); 5817 return (mError=BAD_TYPE); 5818 } 5819 5820 if (t->package != package) { 5821 ALOGE("No TypeSpec for type %d", type->id); 5822 return (mError=BAD_TYPE); 5823 } 5824 5825 t->configs.add(type); 5826 5827 TABLE_GETENTRY( 5828 ResTable_config thisConfig; 5829 thisConfig.copyFromDtoH(type->config); 5830 ALOGI("Adding config to type %d: %s\n", 5831 type->id, thisConfig.toString().string())); 5832 } else { 5833 ALOGV("Skipping empty ResTable_type for type %d", type->id); 5834 } 5835 5836 } else if (ctype == RES_TABLE_LIBRARY_TYPE) { 5837 if (group->dynamicRefTable.entries().size() == 0) { 5838 status_t err = group->dynamicRefTable.load((const ResTable_lib_header*) chunk); 5839 if (err != NO_ERROR) { 5840 return (mError=err); 5841 } 5842 5843 // Fill in the reference table with the entries we already know about. 5844 size_t N = mPackageGroups.size(); 5845 for (size_t i = 0; i < N; i++) { 5846 group->dynamicRefTable.addMapping(mPackageGroups[i]->name, mPackageGroups[i]->id); 5847 } 5848 } else { 5849 ALOGW("Found multiple library tables, ignoring..."); 5850 } 5851 } else { 5852 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), 5853 endPos, "ResTable_package:unknown"); 5854 if (err != NO_ERROR) { 5855 return (mError=err); 5856 } 5857 } 5858 chunk = (const ResChunk_header*) 5859 (((const uint8_t*)chunk) + csize); 5860 } 5861 5862 return NO_ERROR; 5863} 5864 5865DynamicRefTable::DynamicRefTable(uint8_t packageId) 5866 : mAssignedPackageId(packageId) 5867{ 5868 memset(mLookupTable, 0, sizeof(mLookupTable)); 5869 5870 // Reserved package ids 5871 mLookupTable[APP_PACKAGE_ID] = APP_PACKAGE_ID; 5872 mLookupTable[SYS_PACKAGE_ID] = SYS_PACKAGE_ID; 5873} 5874 5875status_t DynamicRefTable::load(const ResTable_lib_header* const header) 5876{ 5877 const uint32_t entryCount = dtohl(header->count); 5878 const uint32_t sizeOfEntries = sizeof(ResTable_lib_entry) * entryCount; 5879 const uint32_t expectedSize = dtohl(header->header.size) - dtohl(header->header.headerSize); 5880 if (sizeOfEntries > expectedSize) { 5881 ALOGE("ResTable_lib_header size %u is too small to fit %u entries (x %u).", 5882 expectedSize, entryCount, (uint32_t)sizeof(ResTable_lib_entry)); 5883 return UNKNOWN_ERROR; 5884 } 5885 5886 const ResTable_lib_entry* entry = (const ResTable_lib_entry*)(((uint8_t*) header) + 5887 dtohl(header->header.headerSize)); 5888 for (uint32_t entryIndex = 0; entryIndex < entryCount; entryIndex++) { 5889 uint32_t packageId = dtohl(entry->packageId); 5890 char16_t tmpName[sizeof(entry->packageName) / sizeof(char16_t)]; 5891 strcpy16_dtoh(tmpName, entry->packageName, sizeof(entry->packageName) / sizeof(char16_t)); 5892 LIB_NOISY(ALOGV("Found lib entry %s with id %d\n", String8(tmpName).string(), 5893 dtohl(entry->packageId))); 5894 if (packageId >= 256) { 5895 ALOGE("Bad package id 0x%08x", packageId); 5896 return UNKNOWN_ERROR; 5897 } 5898 mEntries.replaceValueFor(String16(tmpName), (uint8_t) packageId); 5899 entry = entry + 1; 5900 } 5901 return NO_ERROR; 5902} 5903 5904status_t DynamicRefTable::addMappings(const DynamicRefTable& other) { 5905 if (mAssignedPackageId != other.mAssignedPackageId) { 5906 return UNKNOWN_ERROR; 5907 } 5908 5909 const size_t entryCount = other.mEntries.size(); 5910 for (size_t i = 0; i < entryCount; i++) { 5911 ssize_t index = mEntries.indexOfKey(other.mEntries.keyAt(i)); 5912 if (index < 0) { 5913 mEntries.add(other.mEntries.keyAt(i), other.mEntries[i]); 5914 } else { 5915 if (other.mEntries[i] != mEntries[index]) { 5916 return UNKNOWN_ERROR; 5917 } 5918 } 5919 } 5920 5921 // Merge the lookup table. No entry can conflict 5922 // (value of 0 means not set). 5923 for (size_t i = 0; i < 256; i++) { 5924 if (mLookupTable[i] != other.mLookupTable[i]) { 5925 if (mLookupTable[i] == 0) { 5926 mLookupTable[i] = other.mLookupTable[i]; 5927 } else if (other.mLookupTable[i] != 0) { 5928 return UNKNOWN_ERROR; 5929 } 5930 } 5931 } 5932 return NO_ERROR; 5933} 5934 5935status_t DynamicRefTable::addMapping(const String16& packageName, uint8_t packageId) 5936{ 5937 ssize_t index = mEntries.indexOfKey(packageName); 5938 if (index < 0) { 5939 return UNKNOWN_ERROR; 5940 } 5941 mLookupTable[mEntries.valueAt(index)] = packageId; 5942 return NO_ERROR; 5943} 5944 5945status_t DynamicRefTable::lookupResourceId(uint32_t* resId) const { 5946 uint32_t res = *resId; 5947 size_t packageId = Res_GETPACKAGE(res) + 1; 5948 5949 if (packageId == APP_PACKAGE_ID) { 5950 // No lookup needs to be done, app package IDs are absolute. 5951 return NO_ERROR; 5952 } 5953 5954 if (packageId == 0) { 5955 // The package ID is 0x00. That means that a shared library is accessing 5956 // its own local resource, so we fix up the resource with the calling 5957 // package ID. 5958 *resId |= ((uint32_t) mAssignedPackageId) << 24; 5959 return NO_ERROR; 5960 } 5961 5962 // Do a proper lookup. 5963 uint8_t translatedId = mLookupTable[packageId]; 5964 if (translatedId == 0) { 5965 ALOGE("DynamicRefTable(0x%02x): No mapping for build-time package ID 0x%02x.", 5966 (uint8_t)mAssignedPackageId, (uint8_t)packageId); 5967 for (size_t i = 0; i < 256; i++) { 5968 if (mLookupTable[i] != 0) { 5969 ALOGE("e[0x%02x] -> 0x%02x", (uint8_t)i, mLookupTable[i]); 5970 } 5971 } 5972 return UNKNOWN_ERROR; 5973 } 5974 5975 *resId = (res & 0x00ffffff) | (((uint32_t) translatedId) << 24); 5976 return NO_ERROR; 5977} 5978 5979status_t DynamicRefTable::lookupResourceValue(Res_value* value) const { 5980 if (value->dataType != Res_value::TYPE_DYNAMIC_REFERENCE) { 5981 return NO_ERROR; 5982 } 5983 5984 status_t err = lookupResourceId(&value->data); 5985 if (err != NO_ERROR) { 5986 return err; 5987 } 5988 5989 value->dataType = Res_value::TYPE_REFERENCE; 5990 return NO_ERROR; 5991} 5992 5993struct IdmapTypeMap { 5994 ssize_t overlayTypeId; 5995 size_t entryOffset; 5996 Vector<uint32_t> entryMap; 5997}; 5998 5999status_t ResTable::createIdmap(const ResTable& overlay, 6000 uint32_t targetCrc, uint32_t overlayCrc, 6001 const char* targetPath, const char* overlayPath, 6002 void** outData, size_t* outSize) const 6003{ 6004 // see README for details on the format of map 6005 if (mPackageGroups.size() == 0) { 6006 ALOGW("idmap: target package has no package groups, cannot create idmap\n"); 6007 return UNKNOWN_ERROR; 6008 } 6009 6010 if (mPackageGroups[0]->packages.size() == 0) { 6011 ALOGW("idmap: target package has no packages in its first package group, " 6012 "cannot create idmap\n"); 6013 return UNKNOWN_ERROR; 6014 } 6015 6016 KeyedVector<uint8_t, IdmapTypeMap> map; 6017 6018 // overlaid packages are assumed to contain only one package group 6019 const PackageGroup* pg = mPackageGroups[0]; 6020 6021 // starting size is header 6022 *outSize = ResTable::IDMAP_HEADER_SIZE_BYTES; 6023 6024 // target package id and number of types in map 6025 *outSize += 2 * sizeof(uint16_t); 6026 6027 // overlay packages are assumed to contain only one package group 6028 const String16 overlayPackage(overlay.mPackageGroups[0]->packages[0]->package->name); 6029 6030 for (size_t typeIndex = 0; typeIndex < pg->types.size(); ++typeIndex) { 6031 const TypeList& typeList = pg->types[typeIndex]; 6032 if (typeList.isEmpty()) { 6033 continue; 6034 } 6035 6036 const Type* typeConfigs = typeList[0]; 6037 6038 IdmapTypeMap typeMap; 6039 typeMap.overlayTypeId = -1; 6040 typeMap.entryOffset = 0; 6041 6042 for (size_t entryIndex = 0; entryIndex < typeConfigs->entryCount; ++entryIndex) { 6043 uint32_t resID = Res_MAKEID(pg->id - 1, typeIndex, entryIndex); 6044 resource_name resName; 6045 if (!this->getResourceName(resID, false, &resName)) { 6046 if (typeMap.entryMap.isEmpty()) { 6047 typeMap.entryOffset++; 6048 } 6049 continue; 6050 } 6051 6052 const String16 overlayType(resName.type, resName.typeLen); 6053 const String16 overlayName(resName.name, resName.nameLen); 6054 uint32_t overlayResID = overlay.identifierForName(overlayName.string(), 6055 overlayName.size(), 6056 overlayType.string(), 6057 overlayType.size(), 6058 overlayPackage.string(), 6059 overlayPackage.size()); 6060 if (overlayResID == 0) { 6061 if (typeMap.entryMap.isEmpty()) { 6062 typeMap.entryOffset++; 6063 } 6064 continue; 6065 } 6066 6067 if (typeMap.overlayTypeId == -1) { 6068 typeMap.overlayTypeId = Res_GETTYPE(overlayResID) + 1; 6069 } 6070 6071 if (Res_GETTYPE(overlayResID) + 1 != static_cast<size_t>(typeMap.overlayTypeId)) { 6072 ALOGE("idmap: can't mix type ids in entry map. Resource 0x%08x maps to 0x%08x" 6073 " but entries should map to resources of type %02x", 6074 resID, overlayResID, typeMap.overlayTypeId); 6075 return BAD_TYPE; 6076 } 6077 6078 if (typeMap.entryOffset + typeMap.entryMap.size() < entryIndex) { 6079 // Resize to accomodate this entry and the 0's in between. 6080 if (typeMap.entryMap.resize((entryIndex - typeMap.entryOffset) + 1) < 0) { 6081 return NO_MEMORY; 6082 } 6083 typeMap.entryMap.editTop() = Res_GETENTRY(overlayResID); 6084 } else { 6085 typeMap.entryMap.add(Res_GETENTRY(overlayResID)); 6086 } 6087 } 6088 6089 if (!typeMap.entryMap.isEmpty()) { 6090 if (map.add(static_cast<uint8_t>(typeIndex), typeMap) < 0) { 6091 return NO_MEMORY; 6092 } 6093 *outSize += (4 * sizeof(uint16_t)) + (typeMap.entryMap.size() * sizeof(uint32_t)); 6094 } 6095 } 6096 6097 if (map.isEmpty()) { 6098 ALOGW("idmap: no resources in overlay package present in base package"); 6099 return UNKNOWN_ERROR; 6100 } 6101 6102 if ((*outData = malloc(*outSize)) == NULL) { 6103 return NO_MEMORY; 6104 } 6105 6106 uint32_t* data = (uint32_t*)*outData; 6107 *data++ = htodl(IDMAP_MAGIC); 6108 *data++ = htodl(IDMAP_CURRENT_VERSION); 6109 *data++ = htodl(targetCrc); 6110 *data++ = htodl(overlayCrc); 6111 const char* paths[] = { targetPath, overlayPath }; 6112 for (int j = 0; j < 2; ++j) { 6113 char* p = (char*)data; 6114 const char* path = paths[j]; 6115 const size_t I = strlen(path); 6116 if (I > 255) { 6117 ALOGV("path exceeds expected 255 characters: %s\n", path); 6118 return UNKNOWN_ERROR; 6119 } 6120 for (size_t i = 0; i < 256; ++i) { 6121 *p++ = i < I ? path[i] : '\0'; 6122 } 6123 data += 256 / sizeof(uint32_t); 6124 } 6125 const size_t mapSize = map.size(); 6126 uint16_t* typeData = reinterpret_cast<uint16_t*>(data); 6127 *typeData++ = htods(pg->id); 6128 *typeData++ = htods(mapSize); 6129 for (size_t i = 0; i < mapSize; ++i) { 6130 uint8_t targetTypeId = map.keyAt(i); 6131 const IdmapTypeMap& typeMap = map[i]; 6132 *typeData++ = htods(targetTypeId + 1); 6133 *typeData++ = htods(typeMap.overlayTypeId); 6134 *typeData++ = htods(typeMap.entryMap.size()); 6135 *typeData++ = htods(typeMap.entryOffset); 6136 6137 const size_t entryCount = typeMap.entryMap.size(); 6138 uint32_t* entries = reinterpret_cast<uint32_t*>(typeData); 6139 for (size_t j = 0; j < entryCount; j++) { 6140 entries[j] = htodl(typeMap.entryMap[j]); 6141 } 6142 typeData += entryCount * 2; 6143 } 6144 6145 return NO_ERROR; 6146} 6147 6148bool ResTable::getIdmapInfo(const void* idmap, size_t sizeBytes, 6149 uint32_t* pVersion, 6150 uint32_t* pTargetCrc, uint32_t* pOverlayCrc, 6151 String8* pTargetPath, String8* pOverlayPath) 6152{ 6153 const uint32_t* map = (const uint32_t*)idmap; 6154 if (!assertIdmapHeader(map, sizeBytes)) { 6155 return false; 6156 } 6157 if (pVersion) { 6158 *pVersion = dtohl(map[1]); 6159 } 6160 if (pTargetCrc) { 6161 *pTargetCrc = dtohl(map[2]); 6162 } 6163 if (pOverlayCrc) { 6164 *pOverlayCrc = dtohl(map[3]); 6165 } 6166 if (pTargetPath) { 6167 pTargetPath->setTo(reinterpret_cast<const char*>(map + 4)); 6168 } 6169 if (pOverlayPath) { 6170 pOverlayPath->setTo(reinterpret_cast<const char*>(map + 4 + 256 / sizeof(uint32_t))); 6171 } 6172 return true; 6173} 6174 6175 6176#define CHAR16_TO_CSTR(c16, len) (String8(String16(c16,len)).string()) 6177 6178#define CHAR16_ARRAY_EQ(constant, var, len) \ 6179 ((len == (sizeof(constant)/sizeof(constant[0]))) && (0 == memcmp((var), (constant), (len)))) 6180 6181static void print_complex(uint32_t complex, bool isFraction) 6182{ 6183 const float MANTISSA_MULT = 6184 1.0f / (1<<Res_value::COMPLEX_MANTISSA_SHIFT); 6185 const float RADIX_MULTS[] = { 6186 1.0f*MANTISSA_MULT, 1.0f/(1<<7)*MANTISSA_MULT, 6187 1.0f/(1<<15)*MANTISSA_MULT, 1.0f/(1<<23)*MANTISSA_MULT 6188 }; 6189 6190 float value = (complex&(Res_value::COMPLEX_MANTISSA_MASK 6191 <<Res_value::COMPLEX_MANTISSA_SHIFT)) 6192 * RADIX_MULTS[(complex>>Res_value::COMPLEX_RADIX_SHIFT) 6193 & Res_value::COMPLEX_RADIX_MASK]; 6194 printf("%f", value); 6195 6196 if (!isFraction) { 6197 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 6198 case Res_value::COMPLEX_UNIT_PX: printf("px"); break; 6199 case Res_value::COMPLEX_UNIT_DIP: printf("dp"); break; 6200 case Res_value::COMPLEX_UNIT_SP: printf("sp"); break; 6201 case Res_value::COMPLEX_UNIT_PT: printf("pt"); break; 6202 case Res_value::COMPLEX_UNIT_IN: printf("in"); break; 6203 case Res_value::COMPLEX_UNIT_MM: printf("mm"); break; 6204 default: printf(" (unknown unit)"); break; 6205 } 6206 } else { 6207 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 6208 case Res_value::COMPLEX_UNIT_FRACTION: printf("%%"); break; 6209 case Res_value::COMPLEX_UNIT_FRACTION_PARENT: printf("%%p"); break; 6210 default: printf(" (unknown unit)"); break; 6211 } 6212 } 6213} 6214 6215// Normalize a string for output 6216String8 ResTable::normalizeForOutput( const char *input ) 6217{ 6218 String8 ret; 6219 char buff[2]; 6220 buff[1] = '\0'; 6221 6222 while (*input != '\0') { 6223 switch (*input) { 6224 // All interesting characters are in the ASCII zone, so we are making our own lives 6225 // easier by scanning the string one byte at a time. 6226 case '\\': 6227 ret += "\\\\"; 6228 break; 6229 case '\n': 6230 ret += "\\n"; 6231 break; 6232 case '"': 6233 ret += "\\\""; 6234 break; 6235 default: 6236 buff[0] = *input; 6237 ret += buff; 6238 break; 6239 } 6240 6241 input++; 6242 } 6243 6244 return ret; 6245} 6246 6247void ResTable::print_value(const Package* pkg, const Res_value& value) const 6248{ 6249 if (value.dataType == Res_value::TYPE_NULL) { 6250 printf("(null)\n"); 6251 } else if (value.dataType == Res_value::TYPE_REFERENCE) { 6252 printf("(reference) 0x%08x\n", value.data); 6253 } else if (value.dataType == Res_value::TYPE_DYNAMIC_REFERENCE) { 6254 printf("(dynamic reference) 0x%08x\n", value.data); 6255 } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) { 6256 printf("(attribute) 0x%08x\n", value.data); 6257 } else if (value.dataType == Res_value::TYPE_STRING) { 6258 size_t len; 6259 const char* str8 = pkg->header->values.string8At( 6260 value.data, &len); 6261 if (str8 != NULL) { 6262 printf("(string8) \"%s\"\n", normalizeForOutput(str8).string()); 6263 } else { 6264 const char16_t* str16 = pkg->header->values.stringAt( 6265 value.data, &len); 6266 if (str16 != NULL) { 6267 printf("(string16) \"%s\"\n", 6268 normalizeForOutput(String8(str16, len).string()).string()); 6269 } else { 6270 printf("(string) null\n"); 6271 } 6272 } 6273 } else if (value.dataType == Res_value::TYPE_FLOAT) { 6274 printf("(float) %g\n", *(const float*)&value.data); 6275 } else if (value.dataType == Res_value::TYPE_DIMENSION) { 6276 printf("(dimension) "); 6277 print_complex(value.data, false); 6278 printf("\n"); 6279 } else if (value.dataType == Res_value::TYPE_FRACTION) { 6280 printf("(fraction) "); 6281 print_complex(value.data, true); 6282 printf("\n"); 6283 } else if (value.dataType >= Res_value::TYPE_FIRST_COLOR_INT 6284 || value.dataType <= Res_value::TYPE_LAST_COLOR_INT) { 6285 printf("(color) #%08x\n", value.data); 6286 } else if (value.dataType == Res_value::TYPE_INT_BOOLEAN) { 6287 printf("(boolean) %s\n", value.data ? "true" : "false"); 6288 } else if (value.dataType >= Res_value::TYPE_FIRST_INT 6289 || value.dataType <= Res_value::TYPE_LAST_INT) { 6290 printf("(int) 0x%08x or %d\n", value.data, value.data); 6291 } else { 6292 printf("(unknown type) t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)\n", 6293 (int)value.dataType, (int)value.data, 6294 (int)value.size, (int)value.res0); 6295 } 6296} 6297 6298void ResTable::print(bool inclValues) const 6299{ 6300 if (mError != 0) { 6301 printf("mError=0x%x (%s)\n", mError, strerror(mError)); 6302 } 6303 size_t pgCount = mPackageGroups.size(); 6304 printf("Package Groups (%d)\n", (int)pgCount); 6305 for (size_t pgIndex=0; pgIndex<pgCount; pgIndex++) { 6306 const PackageGroup* pg = mPackageGroups[pgIndex]; 6307 printf("Package Group %d id=0x%02x packageCount=%d name=%s\n", 6308 (int)pgIndex, pg->id, (int)pg->packages.size(), 6309 String8(pg->name).string()); 6310 6311 const KeyedVector<String16, uint8_t>& refEntries = pg->dynamicRefTable.entries(); 6312 const size_t refEntryCount = refEntries.size(); 6313 if (refEntryCount > 0) { 6314 printf(" DynamicRefTable entryCount=%d:\n", (int) refEntryCount); 6315 for (size_t refIndex = 0; refIndex < refEntryCount; refIndex++) { 6316 printf(" 0x%02x -> %s\n", 6317 refEntries.valueAt(refIndex), 6318 String8(refEntries.keyAt(refIndex)).string()); 6319 } 6320 printf("\n"); 6321 } 6322 6323 int packageId = pg->id; 6324 size_t pkgCount = pg->packages.size(); 6325 for (size_t pkgIndex=0; pkgIndex<pkgCount; pkgIndex++) { 6326 const Package* pkg = pg->packages[pkgIndex]; 6327 // Use a package's real ID, since the ID may have been assigned 6328 // if this package is a shared library. 6329 packageId = pkg->package->id; 6330 printf(" Package %d id=0x%02x name=%s\n", (int)pkgIndex, 6331 pkg->package->id, String8(String16(pkg->package->name)).string()); 6332 } 6333 6334 for (size_t typeIndex=0; typeIndex < pg->types.size(); typeIndex++) { 6335 const TypeList& typeList = pg->types[typeIndex]; 6336 if (typeList.isEmpty()) { 6337 continue; 6338 } 6339 const Type* typeConfigs = typeList[0]; 6340 const size_t NTC = typeConfigs->configs.size(); 6341 printf(" type %d configCount=%d entryCount=%d\n", 6342 (int)typeIndex, (int)NTC, (int)typeConfigs->entryCount); 6343 if (typeConfigs->typeSpecFlags != NULL) { 6344 for (size_t entryIndex=0; entryIndex<typeConfigs->entryCount; entryIndex++) { 6345 uint32_t resID = (0xff000000 & ((packageId)<<24)) 6346 | (0x00ff0000 & ((typeIndex+1)<<16)) 6347 | (0x0000ffff & (entryIndex)); 6348 // Since we are creating resID without actually 6349 // iterating over them, we have no idea which is a 6350 // dynamic reference. We must check. 6351 if (packageId == 0) { 6352 pg->dynamicRefTable.lookupResourceId(&resID); 6353 } 6354 6355 resource_name resName; 6356 if (this->getResourceName(resID, true, &resName)) { 6357 String8 type8; 6358 String8 name8; 6359 if (resName.type8 != NULL) { 6360 type8 = String8(resName.type8, resName.typeLen); 6361 } else { 6362 type8 = String8(resName.type, resName.typeLen); 6363 } 6364 if (resName.name8 != NULL) { 6365 name8 = String8(resName.name8, resName.nameLen); 6366 } else { 6367 name8 = String8(resName.name, resName.nameLen); 6368 } 6369 printf(" spec resource 0x%08x %s:%s/%s: flags=0x%08x\n", 6370 resID, 6371 CHAR16_TO_CSTR(resName.package, resName.packageLen), 6372 type8.string(), name8.string(), 6373 dtohl(typeConfigs->typeSpecFlags[entryIndex])); 6374 } else { 6375 printf(" INVALID TYPE CONFIG FOR RESOURCE 0x%08x\n", resID); 6376 } 6377 } 6378 } 6379 for (size_t configIndex=0; configIndex<NTC; configIndex++) { 6380 const ResTable_type* type = typeConfigs->configs[configIndex]; 6381 if ((((uint64_t)type)&0x3) != 0) { 6382 printf(" NON-INTEGER ResTable_type ADDRESS: %p\n", type); 6383 continue; 6384 } 6385 String8 configStr = type->config.toString(); 6386 printf(" config %s:\n", configStr.size() > 0 6387 ? configStr.string() : "(default)"); 6388 size_t entryCount = dtohl(type->entryCount); 6389 uint32_t entriesStart = dtohl(type->entriesStart); 6390 if ((entriesStart&0x3) != 0) { 6391 printf(" NON-INTEGER ResTable_type entriesStart OFFSET: 0x%x\n", entriesStart); 6392 continue; 6393 } 6394 uint32_t typeSize = dtohl(type->header.size); 6395 if ((typeSize&0x3) != 0) { 6396 printf(" NON-INTEGER ResTable_type header.size: 0x%x\n", typeSize); 6397 continue; 6398 } 6399 for (size_t entryIndex=0; entryIndex<entryCount; entryIndex++) { 6400 6401 const uint8_t* const end = ((const uint8_t*)type) 6402 + dtohl(type->header.size); 6403 const uint32_t* const eindex = (const uint32_t*) 6404 (((const uint8_t*)type) + dtohs(type->header.headerSize)); 6405 6406 uint32_t thisOffset = dtohl(eindex[entryIndex]); 6407 if (thisOffset == ResTable_type::NO_ENTRY) { 6408 continue; 6409 } 6410 6411 uint32_t resID = (0xff000000 & ((packageId)<<24)) 6412 | (0x00ff0000 & ((typeIndex+1)<<16)) 6413 | (0x0000ffff & (entryIndex)); 6414 if (packageId == 0) { 6415 pg->dynamicRefTable.lookupResourceId(&resID); 6416 } 6417 resource_name resName; 6418 if (this->getResourceName(resID, true, &resName)) { 6419 String8 type8; 6420 String8 name8; 6421 if (resName.type8 != NULL) { 6422 type8 = String8(resName.type8, resName.typeLen); 6423 } else { 6424 type8 = String8(resName.type, resName.typeLen); 6425 } 6426 if (resName.name8 != NULL) { 6427 name8 = String8(resName.name8, resName.nameLen); 6428 } else { 6429 name8 = String8(resName.name, resName.nameLen); 6430 } 6431 printf(" resource 0x%08x %s:%s/%s: ", resID, 6432 CHAR16_TO_CSTR(resName.package, resName.packageLen), 6433 type8.string(), name8.string()); 6434 } else { 6435 printf(" INVALID RESOURCE 0x%08x: ", resID); 6436 } 6437 if ((thisOffset&0x3) != 0) { 6438 printf("NON-INTEGER OFFSET: 0x%x\n", thisOffset); 6439 continue; 6440 } 6441 if ((thisOffset+sizeof(ResTable_entry)) > typeSize) { 6442 printf("OFFSET OUT OF BOUNDS: 0x%x+0x%x (size is 0x%x)\n", 6443 entriesStart, thisOffset, typeSize); 6444 continue; 6445 } 6446 6447 const ResTable_entry* ent = (const ResTable_entry*) 6448 (((const uint8_t*)type) + entriesStart + thisOffset); 6449 if (((entriesStart + thisOffset)&0x3) != 0) { 6450 printf("NON-INTEGER ResTable_entry OFFSET: 0x%x\n", 6451 (entriesStart + thisOffset)); 6452 continue; 6453 } 6454 6455 uintptr_t esize = dtohs(ent->size); 6456 if ((esize&0x3) != 0) { 6457 printf("NON-INTEGER ResTable_entry SIZE: %p\n", (void *)esize); 6458 continue; 6459 } 6460 if ((thisOffset+esize) > typeSize) { 6461 printf("ResTable_entry OUT OF BOUNDS: 0x%x+0x%x+%p (size is 0x%x)\n", 6462 entriesStart, thisOffset, (void *)esize, typeSize); 6463 continue; 6464 } 6465 6466 const Res_value* valuePtr = NULL; 6467 const ResTable_map_entry* bagPtr = NULL; 6468 Res_value value; 6469 if ((dtohs(ent->flags)&ResTable_entry::FLAG_COMPLEX) != 0) { 6470 printf("<bag>"); 6471 bagPtr = (const ResTable_map_entry*)ent; 6472 } else { 6473 valuePtr = (const Res_value*) 6474 (((const uint8_t*)ent) + esize); 6475 value.copyFrom_dtoh(*valuePtr); 6476 printf("t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)", 6477 (int)value.dataType, (int)value.data, 6478 (int)value.size, (int)value.res0); 6479 } 6480 6481 if ((dtohs(ent->flags)&ResTable_entry::FLAG_PUBLIC) != 0) { 6482 printf(" (PUBLIC)"); 6483 } 6484 printf("\n"); 6485 6486 if (inclValues) { 6487 if (valuePtr != NULL) { 6488 printf(" "); 6489 print_value(typeConfigs->package, value); 6490 } else if (bagPtr != NULL) { 6491 const int N = dtohl(bagPtr->count); 6492 const uint8_t* baseMapPtr = (const uint8_t*)ent; 6493 size_t mapOffset = esize; 6494 const ResTable_map* mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); 6495 const uint32_t parent = dtohl(bagPtr->parent.ident); 6496 uint32_t resolvedParent = parent; 6497 if (Res_GETPACKAGE(resolvedParent) + 1 == 0) { 6498 status_t err = pg->dynamicRefTable.lookupResourceId(&resolvedParent); 6499 if (err != NO_ERROR) { 6500 resolvedParent = 0; 6501 } 6502 } 6503 printf(" Parent=0x%08x(Resolved=0x%08x), Count=%d\n", 6504 parent, resolvedParent, N); 6505 for (int i=0; i<N && mapOffset < (typeSize-sizeof(ResTable_map)); i++) { 6506 printf(" #%i (Key=0x%08x): ", 6507 i, dtohl(mapPtr->name.ident)); 6508 value.copyFrom_dtoh(mapPtr->value); 6509 print_value(typeConfigs->package, value); 6510 const size_t size = dtohs(mapPtr->value.size); 6511 mapOffset += size + sizeof(*mapPtr)-sizeof(mapPtr->value); 6512 mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); 6513 } 6514 } 6515 } 6516 } 6517 } 6518 } 6519 } 6520} 6521 6522} // namespace android 6523