ResourceTypes.cpp revision 6381dd4ff212a95be30d2b445d40ff419ab076b4
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "ResourceType" 18//#define LOG_NDEBUG 0 19 20#include <androidfw/ResourceTypes.h> 21#include <utils/Atomic.h> 22#include <utils/ByteOrder.h> 23#include <utils/Debug.h> 24#include <utils/Log.h> 25#include <utils/String16.h> 26#include <utils/String8.h> 27 28#include <stdlib.h> 29#include <string.h> 30#include <memory.h> 31#include <ctype.h> 32#include <stdint.h> 33 34#ifndef INT32_MAX 35#define INT32_MAX ((int32_t)(2147483647)) 36#endif 37 38#define STRING_POOL_NOISY(x) //x 39#define XML_NOISY(x) //x 40#define TABLE_NOISY(x) //x 41#define TABLE_GETENTRY(x) //x 42#define TABLE_SUPER_NOISY(x) //x 43#define LOAD_TABLE_NOISY(x) //x 44#define TABLE_THEME(x) //x 45 46namespace android { 47 48#ifdef HAVE_WINSOCK 49#undef nhtol 50#undef htonl 51 52#ifdef HAVE_LITTLE_ENDIAN 53#define ntohl(x) ( ((x) << 24) | (((x) >> 24) & 255) | (((x) << 8) & 0xff0000) | (((x) >> 8) & 0xff00) ) 54#define htonl(x) ntohl(x) 55#define ntohs(x) ( (((x) << 8) & 0xff00) | (((x) >> 8) & 255) ) 56#define htons(x) ntohs(x) 57#else 58#define ntohl(x) (x) 59#define htonl(x) (x) 60#define ntohs(x) (x) 61#define htons(x) (x) 62#endif 63#endif 64 65#define IDMAP_MAGIC 0x706d6469 66// size measured in sizeof(uint32_t) 67#define IDMAP_HEADER_SIZE (ResTable::IDMAP_HEADER_SIZE_BYTES / sizeof(uint32_t)) 68 69// Standard C isspace() is only required to look at the low byte of its input, so 70// produces incorrect results for UTF-16 characters. For safety's sake, assume that 71// any high-byte UTF-16 code point is not whitespace. 72inline int isspace16(char16_t c) { 73 return (c < 0x0080 && isspace(c)); 74} 75 76// range checked; guaranteed to NUL-terminate within the stated number of available slots 77// NOTE: if this truncates the dst string due to running out of space, no attempt is 78// made to avoid splitting surrogate pairs. 79static void strcpy16_dtoh(uint16_t* dst, const uint16_t* src, size_t avail) 80{ 81 uint16_t* last = dst + avail - 1; 82 while (*src && (dst < last)) { 83 char16_t s = dtohs(*src); 84 *dst++ = s; 85 src++; 86 } 87 *dst = 0; 88} 89 90static status_t validate_chunk(const ResChunk_header* chunk, 91 size_t minSize, 92 const uint8_t* dataEnd, 93 const char* name) 94{ 95 const uint16_t headerSize = dtohs(chunk->headerSize); 96 const uint32_t size = dtohl(chunk->size); 97 98 if (headerSize >= minSize) { 99 if (headerSize <= size) { 100 if (((headerSize|size)&0x3) == 0) { 101 if ((ssize_t)size <= (dataEnd-((const uint8_t*)chunk))) { 102 return NO_ERROR; 103 } 104 ALOGW("%s data size 0x%x extends beyond resource end %p.", 105 name, size, (void*)(dataEnd-((const uint8_t*)chunk))); 106 return BAD_TYPE; 107 } 108 ALOGW("%s size 0x%x or headerSize 0x%x is not on an integer boundary.", 109 name, (int)size, (int)headerSize); 110 return BAD_TYPE; 111 } 112 ALOGW("%s size 0x%x is smaller than header size 0x%x.", 113 name, size, headerSize); 114 return BAD_TYPE; 115 } 116 ALOGW("%s header size 0x%x is too small.", 117 name, headerSize); 118 return BAD_TYPE; 119} 120 121static void fill9patchOffsets(Res_png_9patch* patch) { 122 patch->xDivsOffset = sizeof(Res_png_9patch); 123 patch->yDivsOffset = patch->xDivsOffset + (patch->numXDivs * sizeof(int32_t)); 124 patch->colorsOffset = patch->yDivsOffset + (patch->numYDivs * sizeof(int32_t)); 125} 126 127inline void Res_value::copyFrom_dtoh(const Res_value& src) 128{ 129 size = dtohs(src.size); 130 res0 = src.res0; 131 dataType = src.dataType; 132 data = dtohl(src.data); 133} 134 135void Res_png_9patch::deviceToFile() 136{ 137 int32_t* xDivs = getXDivs(); 138 for (int i = 0; i < numXDivs; i++) { 139 xDivs[i] = htonl(xDivs[i]); 140 } 141 int32_t* yDivs = getYDivs(); 142 for (int i = 0; i < numYDivs; i++) { 143 yDivs[i] = htonl(yDivs[i]); 144 } 145 paddingLeft = htonl(paddingLeft); 146 paddingRight = htonl(paddingRight); 147 paddingTop = htonl(paddingTop); 148 paddingBottom = htonl(paddingBottom); 149 uint32_t* colors = getColors(); 150 for (int i=0; i<numColors; i++) { 151 colors[i] = htonl(colors[i]); 152 } 153} 154 155void Res_png_9patch::fileToDevice() 156{ 157 int32_t* xDivs = getXDivs(); 158 for (int i = 0; i < numXDivs; i++) { 159 xDivs[i] = ntohl(xDivs[i]); 160 } 161 int32_t* yDivs = getYDivs(); 162 for (int i = 0; i < numYDivs; i++) { 163 yDivs[i] = ntohl(yDivs[i]); 164 } 165 paddingLeft = ntohl(paddingLeft); 166 paddingRight = ntohl(paddingRight); 167 paddingTop = ntohl(paddingTop); 168 paddingBottom = ntohl(paddingBottom); 169 uint32_t* colors = getColors(); 170 for (int i=0; i<numColors; i++) { 171 colors[i] = ntohl(colors[i]); 172 } 173} 174 175size_t Res_png_9patch::serializedSize() const 176{ 177 // The size of this struct is 32 bytes on the 32-bit target system 178 // 4 * int8_t 179 // 4 * int32_t 180 // 3 * uint32_t 181 return 32 182 + numXDivs * sizeof(int32_t) 183 + numYDivs * sizeof(int32_t) 184 + numColors * sizeof(uint32_t); 185} 186 187void* Res_png_9patch::serialize(const Res_png_9patch& patch, const int32_t* xDivs, 188 const int32_t* yDivs, const uint32_t* colors) 189{ 190 // Use calloc since we're going to leave a few holes in the data 191 // and want this to run cleanly under valgrind 192 void* newData = calloc(1, patch.serializedSize()); 193 serialize(patch, xDivs, yDivs, colors, newData); 194 return newData; 195} 196 197void Res_png_9patch::serialize(const Res_png_9patch& patch, const int32_t* xDivs, 198 const int32_t* yDivs, const uint32_t* colors, void* outData) 199{ 200 uint8_t* data = (uint8_t*) outData; 201 memcpy(data, &patch.wasDeserialized, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 202 memcpy(data + 12, &patch.paddingLeft, 16); // copy paddingXXXX 203 data += 32; 204 205 memcpy(data, xDivs, patch.numXDivs * sizeof(int32_t)); 206 data += patch.numXDivs * sizeof(int32_t); 207 memcpy(data, yDivs, patch.numYDivs * sizeof(int32_t)); 208 data += patch.numYDivs * sizeof(int32_t); 209 memcpy(data, colors, patch.numColors * sizeof(uint32_t)); 210 211 fill9patchOffsets(reinterpret_cast<Res_png_9patch*>(outData)); 212} 213 214static bool assertIdmapHeader(const uint32_t* map, size_t sizeBytes) 215{ 216 if (sizeBytes < ResTable::IDMAP_HEADER_SIZE_BYTES) { 217 ALOGW("idmap assertion failed: size=%d bytes\n", (int)sizeBytes); 218 return false; 219 } 220 if (*map != htodl(IDMAP_MAGIC)) { // htodl: map data expected to be in correct endianess 221 ALOGW("idmap assertion failed: invalid magic found (is 0x%08x, expected 0x%08x)\n", 222 *map, htodl(IDMAP_MAGIC)); 223 return false; 224 } 225 return true; 226} 227 228static status_t idmapLookup(const uint32_t* map, size_t sizeBytes, uint32_t key, uint32_t* outValue) 229{ 230 // see README for details on the format of map 231 if (!assertIdmapHeader(map, sizeBytes)) { 232 return UNKNOWN_ERROR; 233 } 234 map = map + IDMAP_HEADER_SIZE; // skip ahead to data segment 235 // size of data block, in uint32_t 236 const size_t size = (sizeBytes - ResTable::IDMAP_HEADER_SIZE_BYTES) / sizeof(uint32_t); 237 const uint32_t type = Res_GETTYPE(key) + 1; // add one, idmap stores "public" type id 238 const uint32_t entry = Res_GETENTRY(key); 239 const uint32_t typeCount = *map; 240 241 if (type > typeCount) { 242 ALOGW("Resource ID map: type=%d exceeds number of types=%d\n", type, typeCount); 243 return UNKNOWN_ERROR; 244 } 245 if (typeCount > size) { 246 ALOGW("Resource ID map: number of types=%d exceeds size of map=%d\n", typeCount, (int)size); 247 return UNKNOWN_ERROR; 248 } 249 const uint32_t typeOffset = map[type]; 250 if (typeOffset == 0) { 251 *outValue = 0; 252 return NO_ERROR; 253 } 254 if (typeOffset + 1 > size) { 255 ALOGW("Resource ID map: type offset=%d exceeds reasonable value, size of map=%d\n", 256 typeOffset, (int)size); 257 return UNKNOWN_ERROR; 258 } 259 const uint32_t entryCount = map[typeOffset]; 260 const uint32_t entryOffset = map[typeOffset + 1]; 261 if (entryCount == 0 || entry < entryOffset || entry - entryOffset > entryCount - 1) { 262 *outValue = 0; 263 return NO_ERROR; 264 } 265 const uint32_t index = typeOffset + 2 + entry - entryOffset; 266 if (index > size) { 267 ALOGW("Resource ID map: entry index=%d exceeds size of map=%d\n", index, (int)size); 268 *outValue = 0; 269 return NO_ERROR; 270 } 271 *outValue = map[index]; 272 273 return NO_ERROR; 274} 275 276static status_t getIdmapPackageId(const uint32_t* map, size_t mapSize, uint32_t *outId) 277{ 278 if (!assertIdmapHeader(map, mapSize)) { 279 return UNKNOWN_ERROR; 280 } 281 if (mapSize <= IDMAP_HEADER_SIZE + 1) { 282 ALOGW("corrupt idmap: map size %d too short\n", mapSize); 283 return UNKNOWN_ERROR; 284 } 285 uint32_t typeCount = *(map + IDMAP_HEADER_SIZE); 286 if (typeCount == 0) { 287 ALOGW("corrupt idmap: no types\n"); 288 return UNKNOWN_ERROR; 289 } 290 if (IDMAP_HEADER_SIZE + 1 + typeCount > mapSize) { 291 ALOGW("corrupt idmap: number of types %d extends past idmap size %d\n", typeCount, mapSize); 292 return UNKNOWN_ERROR; 293 } 294 const uint32_t* p = map + IDMAP_HEADER_SIZE + 1; 295 // find first defined type 296 while (*p == 0) { 297 ++p; 298 if (--typeCount == 0) { 299 ALOGW("corrupt idmap: types declared, none found\n"); 300 return UNKNOWN_ERROR; 301 } 302 } 303 304 // determine package id from first entry of first type 305 const uint32_t offset = *p + IDMAP_HEADER_SIZE + 2; 306 if (offset > mapSize) { 307 ALOGW("corrupt idmap: entry offset %d points outside map size %d\n", offset, mapSize); 308 return UNKNOWN_ERROR; 309 } 310 *outId = (map[offset] >> 24) & 0x000000ff; 311 312 return NO_ERROR; 313} 314 315Res_png_9patch* Res_png_9patch::deserialize(void* inData) 316{ 317 318 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(inData); 319 patch->wasDeserialized = true; 320 fill9patchOffsets(patch); 321 322 return patch; 323} 324 325// -------------------------------------------------------------------- 326// -------------------------------------------------------------------- 327// -------------------------------------------------------------------- 328 329ResStringPool::ResStringPool() 330 : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) 331{ 332} 333 334ResStringPool::ResStringPool(const void* data, size_t size, bool copyData) 335 : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) 336{ 337 setTo(data, size, copyData); 338} 339 340ResStringPool::~ResStringPool() 341{ 342 uninit(); 343} 344 345status_t ResStringPool::setTo(const void* data, size_t size, bool copyData) 346{ 347 if (!data || !size) { 348 return (mError=BAD_TYPE); 349 } 350 351 uninit(); 352 353 const bool notDeviceEndian = htods(0xf0) != 0xf0; 354 355 if (copyData || notDeviceEndian) { 356 mOwnedData = malloc(size); 357 if (mOwnedData == NULL) { 358 return (mError=NO_MEMORY); 359 } 360 memcpy(mOwnedData, data, size); 361 data = mOwnedData; 362 } 363 364 mHeader = (const ResStringPool_header*)data; 365 366 if (notDeviceEndian) { 367 ResStringPool_header* h = const_cast<ResStringPool_header*>(mHeader); 368 h->header.headerSize = dtohs(mHeader->header.headerSize); 369 h->header.type = dtohs(mHeader->header.type); 370 h->header.size = dtohl(mHeader->header.size); 371 h->stringCount = dtohl(mHeader->stringCount); 372 h->styleCount = dtohl(mHeader->styleCount); 373 h->flags = dtohl(mHeader->flags); 374 h->stringsStart = dtohl(mHeader->stringsStart); 375 h->stylesStart = dtohl(mHeader->stylesStart); 376 } 377 378 if (mHeader->header.headerSize > mHeader->header.size 379 || mHeader->header.size > size) { 380 ALOGW("Bad string block: header size %d or total size %d is larger than data size %d\n", 381 (int)mHeader->header.headerSize, (int)mHeader->header.size, (int)size); 382 return (mError=BAD_TYPE); 383 } 384 mSize = mHeader->header.size; 385 mEntries = (const uint32_t*) 386 (((const uint8_t*)data)+mHeader->header.headerSize); 387 388 if (mHeader->stringCount > 0) { 389 if ((mHeader->stringCount*sizeof(uint32_t) < mHeader->stringCount) // uint32 overflow? 390 || (mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))) 391 > size) { 392 ALOGW("Bad string block: entry of %d items extends past data size %d\n", 393 (int)(mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))), 394 (int)size); 395 return (mError=BAD_TYPE); 396 } 397 398 size_t charSize; 399 if (mHeader->flags&ResStringPool_header::UTF8_FLAG) { 400 charSize = sizeof(uint8_t); 401 } else { 402 charSize = sizeof(char16_t); 403 } 404 405 mStrings = (const void*) 406 (((const uint8_t*)data)+mHeader->stringsStart); 407 if (mHeader->stringsStart >= (mHeader->header.size-sizeof(uint16_t))) { 408 ALOGW("Bad string block: string pool starts at %d, after total size %d\n", 409 (int)mHeader->stringsStart, (int)mHeader->header.size); 410 return (mError=BAD_TYPE); 411 } 412 if (mHeader->styleCount == 0) { 413 mStringPoolSize = 414 (mHeader->header.size-mHeader->stringsStart)/charSize; 415 } else { 416 // check invariant: styles starts before end of data 417 if (mHeader->stylesStart >= (mHeader->header.size-sizeof(uint16_t))) { 418 ALOGW("Bad style block: style block starts at %d past data size of %d\n", 419 (int)mHeader->stylesStart, (int)mHeader->header.size); 420 return (mError=BAD_TYPE); 421 } 422 // check invariant: styles follow the strings 423 if (mHeader->stylesStart <= mHeader->stringsStart) { 424 ALOGW("Bad style block: style block starts at %d, before strings at %d\n", 425 (int)mHeader->stylesStart, (int)mHeader->stringsStart); 426 return (mError=BAD_TYPE); 427 } 428 mStringPoolSize = 429 (mHeader->stylesStart-mHeader->stringsStart)/charSize; 430 } 431 432 // check invariant: stringCount > 0 requires a string pool to exist 433 if (mStringPoolSize == 0) { 434 ALOGW("Bad string block: stringCount is %d but pool size is 0\n", (int)mHeader->stringCount); 435 return (mError=BAD_TYPE); 436 } 437 438 if (notDeviceEndian) { 439 size_t i; 440 uint32_t* e = const_cast<uint32_t*>(mEntries); 441 for (i=0; i<mHeader->stringCount; i++) { 442 e[i] = dtohl(mEntries[i]); 443 } 444 if (!(mHeader->flags&ResStringPool_header::UTF8_FLAG)) { 445 const char16_t* strings = (const char16_t*)mStrings; 446 char16_t* s = const_cast<char16_t*>(strings); 447 for (i=0; i<mStringPoolSize; i++) { 448 s[i] = dtohs(strings[i]); 449 } 450 } 451 } 452 453 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG && 454 ((uint8_t*)mStrings)[mStringPoolSize-1] != 0) || 455 (!mHeader->flags&ResStringPool_header::UTF8_FLAG && 456 ((char16_t*)mStrings)[mStringPoolSize-1] != 0)) { 457 ALOGW("Bad string block: last string is not 0-terminated\n"); 458 return (mError=BAD_TYPE); 459 } 460 } else { 461 mStrings = NULL; 462 mStringPoolSize = 0; 463 } 464 465 if (mHeader->styleCount > 0) { 466 mEntryStyles = mEntries + mHeader->stringCount; 467 // invariant: integer overflow in calculating mEntryStyles 468 if (mEntryStyles < mEntries) { 469 ALOGW("Bad string block: integer overflow finding styles\n"); 470 return (mError=BAD_TYPE); 471 } 472 473 if (((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader) > (int)size) { 474 ALOGW("Bad string block: entry of %d styles extends past data size %d\n", 475 (int)((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader), 476 (int)size); 477 return (mError=BAD_TYPE); 478 } 479 mStyles = (const uint32_t*) 480 (((const uint8_t*)data)+mHeader->stylesStart); 481 if (mHeader->stylesStart >= mHeader->header.size) { 482 ALOGW("Bad string block: style pool starts %d, after total size %d\n", 483 (int)mHeader->stylesStart, (int)mHeader->header.size); 484 return (mError=BAD_TYPE); 485 } 486 mStylePoolSize = 487 (mHeader->header.size-mHeader->stylesStart)/sizeof(uint32_t); 488 489 if (notDeviceEndian) { 490 size_t i; 491 uint32_t* e = const_cast<uint32_t*>(mEntryStyles); 492 for (i=0; i<mHeader->styleCount; i++) { 493 e[i] = dtohl(mEntryStyles[i]); 494 } 495 uint32_t* s = const_cast<uint32_t*>(mStyles); 496 for (i=0; i<mStylePoolSize; i++) { 497 s[i] = dtohl(mStyles[i]); 498 } 499 } 500 501 const ResStringPool_span endSpan = { 502 { htodl(ResStringPool_span::END) }, 503 htodl(ResStringPool_span::END), htodl(ResStringPool_span::END) 504 }; 505 if (memcmp(&mStyles[mStylePoolSize-(sizeof(endSpan)/sizeof(uint32_t))], 506 &endSpan, sizeof(endSpan)) != 0) { 507 ALOGW("Bad string block: last style is not 0xFFFFFFFF-terminated\n"); 508 return (mError=BAD_TYPE); 509 } 510 } else { 511 mEntryStyles = NULL; 512 mStyles = NULL; 513 mStylePoolSize = 0; 514 } 515 516 return (mError=NO_ERROR); 517} 518 519status_t ResStringPool::getError() const 520{ 521 return mError; 522} 523 524void ResStringPool::uninit() 525{ 526 mError = NO_INIT; 527 if (mHeader != NULL && mCache != NULL) { 528 for (size_t x = 0; x < mHeader->stringCount; x++) { 529 if (mCache[x] != NULL) { 530 free(mCache[x]); 531 mCache[x] = NULL; 532 } 533 } 534 free(mCache); 535 mCache = NULL; 536 } 537 if (mOwnedData) { 538 free(mOwnedData); 539 mOwnedData = NULL; 540 } 541} 542 543/** 544 * Strings in UTF-16 format have length indicated by a length encoded in the 545 * stored data. It is either 1 or 2 characters of length data. This allows a 546 * maximum length of 0x7FFFFFF (2147483647 bytes), but if you're storing that 547 * much data in a string, you're abusing them. 548 * 549 * If the high bit is set, then there are two characters or 4 bytes of length 550 * data encoded. In that case, drop the high bit of the first character and 551 * add it together with the next character. 552 */ 553static inline size_t 554decodeLength(const char16_t** str) 555{ 556 size_t len = **str; 557 if ((len & 0x8000) != 0) { 558 (*str)++; 559 len = ((len & 0x7FFF) << 16) | **str; 560 } 561 (*str)++; 562 return len; 563} 564 565/** 566 * Strings in UTF-8 format have length indicated by a length encoded in the 567 * stored data. It is either 1 or 2 characters of length data. This allows a 568 * maximum length of 0x7FFF (32767 bytes), but you should consider storing 569 * text in another way if you're using that much data in a single string. 570 * 571 * If the high bit is set, then there are two characters or 2 bytes of length 572 * data encoded. In that case, drop the high bit of the first character and 573 * add it together with the next character. 574 */ 575static inline size_t 576decodeLength(const uint8_t** str) 577{ 578 size_t len = **str; 579 if ((len & 0x80) != 0) { 580 (*str)++; 581 len = ((len & 0x7F) << 8) | **str; 582 } 583 (*str)++; 584 return len; 585} 586 587const uint16_t* ResStringPool::stringAt(size_t idx, size_t* u16len) const 588{ 589 if (mError == NO_ERROR && idx < mHeader->stringCount) { 590 const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; 591 const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); 592 if (off < (mStringPoolSize-1)) { 593 if (!isUTF8) { 594 const char16_t* strings = (char16_t*)mStrings; 595 const char16_t* str = strings+off; 596 597 *u16len = decodeLength(&str); 598 if ((uint32_t)(str+*u16len-strings) < mStringPoolSize) { 599 return str; 600 } else { 601 ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", 602 (int)idx, (int)(str+*u16len-strings), (int)mStringPoolSize); 603 } 604 } else { 605 const uint8_t* strings = (uint8_t*)mStrings; 606 const uint8_t* u8str = strings+off; 607 608 *u16len = decodeLength(&u8str); 609 size_t u8len = decodeLength(&u8str); 610 611 // encLen must be less than 0x7FFF due to encoding. 612 if ((uint32_t)(u8str+u8len-strings) < mStringPoolSize) { 613 AutoMutex lock(mDecodeLock); 614 615 if (mCache == NULL) { 616#ifndef HAVE_ANDROID_OS 617 STRING_POOL_NOISY(ALOGI("CREATING STRING CACHE OF %d bytes", 618 mHeader->stringCount*sizeof(char16_t**))); 619#else 620 // We do not want to be in this case when actually running Android. 621 ALOGW("CREATING STRING CACHE OF %d bytes", 622 mHeader->stringCount*sizeof(char16_t**)); 623#endif 624 mCache = (char16_t**)calloc(mHeader->stringCount, sizeof(char16_t**)); 625 if (mCache == NULL) { 626 ALOGW("No memory trying to allocate decode cache table of %d bytes\n", 627 (int)(mHeader->stringCount*sizeof(char16_t**))); 628 return NULL; 629 } 630 } 631 632 if (mCache[idx] != NULL) { 633 return mCache[idx]; 634 } 635 636 ssize_t actualLen = utf8_to_utf16_length(u8str, u8len); 637 if (actualLen < 0 || (size_t)actualLen != *u16len) { 638 ALOGW("Bad string block: string #%lld decoded length is not correct " 639 "%lld vs %llu\n", 640 (long long)idx, (long long)actualLen, (long long)*u16len); 641 return NULL; 642 } 643 644 char16_t *u16str = (char16_t *)calloc(*u16len+1, sizeof(char16_t)); 645 if (!u16str) { 646 ALOGW("No memory when trying to allocate decode cache for string #%d\n", 647 (int)idx); 648 return NULL; 649 } 650 651 STRING_POOL_NOISY(ALOGI("Caching UTF8 string: %s", u8str)); 652 utf8_to_utf16(u8str, u8len, u16str); 653 mCache[idx] = u16str; 654 return u16str; 655 } else { 656 ALOGW("Bad string block: string #%lld extends to %lld, past end at %lld\n", 657 (long long)idx, (long long)(u8str+u8len-strings), 658 (long long)mStringPoolSize); 659 } 660 } 661 } else { 662 ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", 663 (int)idx, (int)(off*sizeof(uint16_t)), 664 (int)(mStringPoolSize*sizeof(uint16_t))); 665 } 666 } 667 return NULL; 668} 669 670const char* ResStringPool::string8At(size_t idx, size_t* outLen) const 671{ 672 if (mError == NO_ERROR && idx < mHeader->stringCount) { 673 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG) == 0) { 674 return NULL; 675 } 676 const uint32_t off = mEntries[idx]/sizeof(char); 677 if (off < (mStringPoolSize-1)) { 678 const uint8_t* strings = (uint8_t*)mStrings; 679 const uint8_t* str = strings+off; 680 *outLen = decodeLength(&str); 681 size_t encLen = decodeLength(&str); 682 if ((uint32_t)(str+encLen-strings) < mStringPoolSize) { 683 return (const char*)str; 684 } else { 685 ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", 686 (int)idx, (int)(str+encLen-strings), (int)mStringPoolSize); 687 } 688 } else { 689 ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", 690 (int)idx, (int)(off*sizeof(uint16_t)), 691 (int)(mStringPoolSize*sizeof(uint16_t))); 692 } 693 } 694 return NULL; 695} 696 697const String8 ResStringPool::string8ObjectAt(size_t idx) const 698{ 699 size_t len; 700 const char *str = (const char*)string8At(idx, &len); 701 if (str != NULL) { 702 return String8(str); 703 } 704 return String8(stringAt(idx, &len)); 705} 706 707const ResStringPool_span* ResStringPool::styleAt(const ResStringPool_ref& ref) const 708{ 709 return styleAt(ref.index); 710} 711 712const ResStringPool_span* ResStringPool::styleAt(size_t idx) const 713{ 714 if (mError == NO_ERROR && idx < mHeader->styleCount) { 715 const uint32_t off = (mEntryStyles[idx]/sizeof(uint32_t)); 716 if (off < mStylePoolSize) { 717 return (const ResStringPool_span*)(mStyles+off); 718 } else { 719 ALOGW("Bad string block: style #%d entry is at %d, past end at %d\n", 720 (int)idx, (int)(off*sizeof(uint32_t)), 721 (int)(mStylePoolSize*sizeof(uint32_t))); 722 } 723 } 724 return NULL; 725} 726 727ssize_t ResStringPool::indexOfString(const char16_t* str, size_t strLen) const 728{ 729 if (mError != NO_ERROR) { 730 return mError; 731 } 732 733 size_t len; 734 735 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0) { 736 STRING_POOL_NOISY(ALOGI("indexOfString UTF-8: %s", String8(str, strLen).string())); 737 738 // The string pool contains UTF 8 strings; we don't want to cause 739 // temporary UTF-16 strings to be created as we search. 740 if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { 741 // Do a binary search for the string... this is a little tricky, 742 // because the strings are sorted with strzcmp16(). So to match 743 // the ordering, we need to convert strings in the pool to UTF-16. 744 // But we don't want to hit the cache, so instead we will have a 745 // local temporary allocation for the conversions. 746 char16_t* convBuffer = (char16_t*)malloc(strLen+4); 747 ssize_t l = 0; 748 ssize_t h = mHeader->stringCount-1; 749 750 ssize_t mid; 751 while (l <= h) { 752 mid = l + (h - l)/2; 753 const uint8_t* s = (const uint8_t*)string8At(mid, &len); 754 int c; 755 if (s != NULL) { 756 char16_t* end = utf8_to_utf16_n(s, len, convBuffer, strLen+3); 757 *end = 0; 758 c = strzcmp16(convBuffer, end-convBuffer, str, strLen); 759 } else { 760 c = -1; 761 } 762 STRING_POOL_NOISY(ALOGI("Looking at %s, cmp=%d, l/mid/h=%d/%d/%d\n", 763 (const char*)s, c, (int)l, (int)mid, (int)h)); 764 if (c == 0) { 765 STRING_POOL_NOISY(ALOGI("MATCH!")); 766 free(convBuffer); 767 return mid; 768 } else if (c < 0) { 769 l = mid + 1; 770 } else { 771 h = mid - 1; 772 } 773 } 774 free(convBuffer); 775 } else { 776 // It is unusual to get the ID from an unsorted string block... 777 // most often this happens because we want to get IDs for style 778 // span tags; since those always appear at the end of the string 779 // block, start searching at the back. 780 String8 str8(str, strLen); 781 const size_t str8Len = str8.size(); 782 for (int i=mHeader->stringCount-1; i>=0; i--) { 783 const char* s = string8At(i, &len); 784 STRING_POOL_NOISY(ALOGI("Looking at %s, i=%d\n", 785 String8(s).string(), 786 i)); 787 if (s && str8Len == len && memcmp(s, str8.string(), str8Len) == 0) { 788 STRING_POOL_NOISY(ALOGI("MATCH!")); 789 return i; 790 } 791 } 792 } 793 794 } else { 795 STRING_POOL_NOISY(ALOGI("indexOfString UTF-16: %s", String8(str, strLen).string())); 796 797 if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { 798 // Do a binary search for the string... 799 ssize_t l = 0; 800 ssize_t h = mHeader->stringCount-1; 801 802 ssize_t mid; 803 while (l <= h) { 804 mid = l + (h - l)/2; 805 const char16_t* s = stringAt(mid, &len); 806 int c = s ? strzcmp16(s, len, str, strLen) : -1; 807 STRING_POOL_NOISY(ALOGI("Looking at %s, cmp=%d, l/mid/h=%d/%d/%d\n", 808 String8(s).string(), 809 c, (int)l, (int)mid, (int)h)); 810 if (c == 0) { 811 STRING_POOL_NOISY(ALOGI("MATCH!")); 812 return mid; 813 } else if (c < 0) { 814 l = mid + 1; 815 } else { 816 h = mid - 1; 817 } 818 } 819 } else { 820 // It is unusual to get the ID from an unsorted string block... 821 // most often this happens because we want to get IDs for style 822 // span tags; since those always appear at the end of the string 823 // block, start searching at the back. 824 for (int i=mHeader->stringCount-1; i>=0; i--) { 825 const char16_t* s = stringAt(i, &len); 826 STRING_POOL_NOISY(ALOGI("Looking at %s, i=%d\n", 827 String8(s).string(), 828 i)); 829 if (s && strLen == len && strzcmp16(s, len, str, strLen) == 0) { 830 STRING_POOL_NOISY(ALOGI("MATCH!")); 831 return i; 832 } 833 } 834 } 835 } 836 837 return NAME_NOT_FOUND; 838} 839 840size_t ResStringPool::size() const 841{ 842 return (mError == NO_ERROR) ? mHeader->stringCount : 0; 843} 844 845size_t ResStringPool::styleCount() const 846{ 847 return (mError == NO_ERROR) ? mHeader->styleCount : 0; 848} 849 850size_t ResStringPool::bytes() const 851{ 852 return (mError == NO_ERROR) ? mHeader->header.size : 0; 853} 854 855bool ResStringPool::isSorted() const 856{ 857 return (mHeader->flags&ResStringPool_header::SORTED_FLAG)!=0; 858} 859 860bool ResStringPool::isUTF8() const 861{ 862 return (mHeader->flags&ResStringPool_header::UTF8_FLAG)!=0; 863} 864 865// -------------------------------------------------------------------- 866// -------------------------------------------------------------------- 867// -------------------------------------------------------------------- 868 869ResXMLParser::ResXMLParser(const ResXMLTree& tree) 870 : mTree(tree), mEventCode(BAD_DOCUMENT) 871{ 872} 873 874void ResXMLParser::restart() 875{ 876 mCurNode = NULL; 877 mEventCode = mTree.mError == NO_ERROR ? START_DOCUMENT : BAD_DOCUMENT; 878} 879const ResStringPool& ResXMLParser::getStrings() const 880{ 881 return mTree.mStrings; 882} 883 884ResXMLParser::event_code_t ResXMLParser::getEventType() const 885{ 886 return mEventCode; 887} 888 889ResXMLParser::event_code_t ResXMLParser::next() 890{ 891 if (mEventCode == START_DOCUMENT) { 892 mCurNode = mTree.mRootNode; 893 mCurExt = mTree.mRootExt; 894 return (mEventCode=mTree.mRootCode); 895 } else if (mEventCode >= FIRST_CHUNK_CODE) { 896 return nextNode(); 897 } 898 return mEventCode; 899} 900 901int32_t ResXMLParser::getCommentID() const 902{ 903 return mCurNode != NULL ? dtohl(mCurNode->comment.index) : -1; 904} 905 906const uint16_t* ResXMLParser::getComment(size_t* outLen) const 907{ 908 int32_t id = getCommentID(); 909 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 910} 911 912uint32_t ResXMLParser::getLineNumber() const 913{ 914 return mCurNode != NULL ? dtohl(mCurNode->lineNumber) : -1; 915} 916 917int32_t ResXMLParser::getTextID() const 918{ 919 if (mEventCode == TEXT) { 920 return dtohl(((const ResXMLTree_cdataExt*)mCurExt)->data.index); 921 } 922 return -1; 923} 924 925const uint16_t* ResXMLParser::getText(size_t* outLen) const 926{ 927 int32_t id = getTextID(); 928 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 929} 930 931ssize_t ResXMLParser::getTextValue(Res_value* outValue) const 932{ 933 if (mEventCode == TEXT) { 934 outValue->copyFrom_dtoh(((const ResXMLTree_cdataExt*)mCurExt)->typedData); 935 return sizeof(Res_value); 936 } 937 return BAD_TYPE; 938} 939 940int32_t ResXMLParser::getNamespacePrefixID() const 941{ 942 if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { 943 return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->prefix.index); 944 } 945 return -1; 946} 947 948const uint16_t* ResXMLParser::getNamespacePrefix(size_t* outLen) const 949{ 950 int32_t id = getNamespacePrefixID(); 951 //printf("prefix=%d event=%p\n", id, mEventCode); 952 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 953} 954 955int32_t ResXMLParser::getNamespaceUriID() const 956{ 957 if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { 958 return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->uri.index); 959 } 960 return -1; 961} 962 963const uint16_t* ResXMLParser::getNamespaceUri(size_t* outLen) const 964{ 965 int32_t id = getNamespaceUriID(); 966 //printf("uri=%d event=%p\n", id, mEventCode); 967 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 968} 969 970int32_t ResXMLParser::getElementNamespaceID() const 971{ 972 if (mEventCode == START_TAG) { 973 return dtohl(((const ResXMLTree_attrExt*)mCurExt)->ns.index); 974 } 975 if (mEventCode == END_TAG) { 976 return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->ns.index); 977 } 978 return -1; 979} 980 981const uint16_t* ResXMLParser::getElementNamespace(size_t* outLen) const 982{ 983 int32_t id = getElementNamespaceID(); 984 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 985} 986 987int32_t ResXMLParser::getElementNameID() const 988{ 989 if (mEventCode == START_TAG) { 990 return dtohl(((const ResXMLTree_attrExt*)mCurExt)->name.index); 991 } 992 if (mEventCode == END_TAG) { 993 return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->name.index); 994 } 995 return -1; 996} 997 998const uint16_t* ResXMLParser::getElementName(size_t* outLen) const 999{ 1000 int32_t id = getElementNameID(); 1001 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1002} 1003 1004size_t ResXMLParser::getAttributeCount() const 1005{ 1006 if (mEventCode == START_TAG) { 1007 return dtohs(((const ResXMLTree_attrExt*)mCurExt)->attributeCount); 1008 } 1009 return 0; 1010} 1011 1012int32_t ResXMLParser::getAttributeNamespaceID(size_t idx) const 1013{ 1014 if (mEventCode == START_TAG) { 1015 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1016 if (idx < dtohs(tag->attributeCount)) { 1017 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1018 (((const uint8_t*)tag) 1019 + dtohs(tag->attributeStart) 1020 + (dtohs(tag->attributeSize)*idx)); 1021 return dtohl(attr->ns.index); 1022 } 1023 } 1024 return -2; 1025} 1026 1027const uint16_t* ResXMLParser::getAttributeNamespace(size_t idx, size_t* outLen) const 1028{ 1029 int32_t id = getAttributeNamespaceID(idx); 1030 //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); 1031 //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id)); 1032 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1033} 1034 1035const char* ResXMLParser::getAttributeNamespace8(size_t idx, size_t* outLen) const 1036{ 1037 int32_t id = getAttributeNamespaceID(idx); 1038 //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); 1039 //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id)); 1040 return id >= 0 ? mTree.mStrings.string8At(id, outLen) : NULL; 1041} 1042 1043int32_t ResXMLParser::getAttributeNameID(size_t idx) const 1044{ 1045 if (mEventCode == START_TAG) { 1046 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1047 if (idx < dtohs(tag->attributeCount)) { 1048 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1049 (((const uint8_t*)tag) 1050 + dtohs(tag->attributeStart) 1051 + (dtohs(tag->attributeSize)*idx)); 1052 return dtohl(attr->name.index); 1053 } 1054 } 1055 return -1; 1056} 1057 1058const uint16_t* ResXMLParser::getAttributeName(size_t idx, size_t* outLen) const 1059{ 1060 int32_t id = getAttributeNameID(idx); 1061 //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); 1062 //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id)); 1063 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1064} 1065 1066const char* ResXMLParser::getAttributeName8(size_t idx, size_t* outLen) const 1067{ 1068 int32_t id = getAttributeNameID(idx); 1069 //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); 1070 //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id)); 1071 return id >= 0 ? mTree.mStrings.string8At(id, outLen) : NULL; 1072} 1073 1074uint32_t ResXMLParser::getAttributeNameResID(size_t idx) const 1075{ 1076 int32_t id = getAttributeNameID(idx); 1077 if (id >= 0 && (size_t)id < mTree.mNumResIds) { 1078 return dtohl(mTree.mResIds[id]); 1079 } 1080 return 0; 1081} 1082 1083int32_t ResXMLParser::getAttributeValueStringID(size_t idx) const 1084{ 1085 if (mEventCode == START_TAG) { 1086 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1087 if (idx < dtohs(tag->attributeCount)) { 1088 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1089 (((const uint8_t*)tag) 1090 + dtohs(tag->attributeStart) 1091 + (dtohs(tag->attributeSize)*idx)); 1092 return dtohl(attr->rawValue.index); 1093 } 1094 } 1095 return -1; 1096} 1097 1098const uint16_t* ResXMLParser::getAttributeStringValue(size_t idx, size_t* outLen) const 1099{ 1100 int32_t id = getAttributeValueStringID(idx); 1101 //XML_NOISY(printf("getAttributeValue 0x%x=0x%x\n", idx, id)); 1102 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1103} 1104 1105int32_t ResXMLParser::getAttributeDataType(size_t idx) const 1106{ 1107 if (mEventCode == START_TAG) { 1108 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1109 if (idx < dtohs(tag->attributeCount)) { 1110 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1111 (((const uint8_t*)tag) 1112 + dtohs(tag->attributeStart) 1113 + (dtohs(tag->attributeSize)*idx)); 1114 return attr->typedValue.dataType; 1115 } 1116 } 1117 return Res_value::TYPE_NULL; 1118} 1119 1120int32_t ResXMLParser::getAttributeData(size_t idx) const 1121{ 1122 if (mEventCode == START_TAG) { 1123 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1124 if (idx < dtohs(tag->attributeCount)) { 1125 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1126 (((const uint8_t*)tag) 1127 + dtohs(tag->attributeStart) 1128 + (dtohs(tag->attributeSize)*idx)); 1129 return dtohl(attr->typedValue.data); 1130 } 1131 } 1132 return 0; 1133} 1134 1135ssize_t ResXMLParser::getAttributeValue(size_t idx, Res_value* outValue) const 1136{ 1137 if (mEventCode == START_TAG) { 1138 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1139 if (idx < dtohs(tag->attributeCount)) { 1140 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1141 (((const uint8_t*)tag) 1142 + dtohs(tag->attributeStart) 1143 + (dtohs(tag->attributeSize)*idx)); 1144 outValue->copyFrom_dtoh(attr->typedValue); 1145 return sizeof(Res_value); 1146 } 1147 } 1148 return BAD_TYPE; 1149} 1150 1151ssize_t ResXMLParser::indexOfAttribute(const char* ns, const char* attr) const 1152{ 1153 String16 nsStr(ns != NULL ? ns : ""); 1154 String16 attrStr(attr); 1155 return indexOfAttribute(ns ? nsStr.string() : NULL, ns ? nsStr.size() : 0, 1156 attrStr.string(), attrStr.size()); 1157} 1158 1159ssize_t ResXMLParser::indexOfAttribute(const char16_t* ns, size_t nsLen, 1160 const char16_t* attr, size_t attrLen) const 1161{ 1162 if (mEventCode == START_TAG) { 1163 if (attr == NULL) { 1164 return NAME_NOT_FOUND; 1165 } 1166 const size_t N = getAttributeCount(); 1167 if (mTree.mStrings.isUTF8()) { 1168 String8 ns8, attr8; 1169 if (ns != NULL) { 1170 ns8 = String8(ns, nsLen); 1171 } 1172 attr8 = String8(attr, attrLen); 1173 STRING_POOL_NOISY(ALOGI("indexOfAttribute UTF8 %s (%d) / %s (%d)", ns8.string(), nsLen, 1174 attr8.string(), attrLen)); 1175 for (size_t i=0; i<N; i++) { 1176 size_t curNsLen = 0, curAttrLen = 0; 1177 const char* curNs = getAttributeNamespace8(i, &curNsLen); 1178 const char* curAttr = getAttributeName8(i, &curAttrLen); 1179 STRING_POOL_NOISY(ALOGI(" curNs=%s (%d), curAttr=%s (%d)", curNs, curNsLen, 1180 curAttr, curAttrLen)); 1181 if (curAttr != NULL && curNsLen == nsLen && curAttrLen == attrLen 1182 && memcmp(attr8.string(), curAttr, attrLen) == 0) { 1183 if (ns == NULL) { 1184 if (curNs == NULL) { 1185 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1186 return i; 1187 } 1188 } else if (curNs != NULL) { 1189 //printf(" --> ns=%s, curNs=%s\n", 1190 // String8(ns).string(), String8(curNs).string()); 1191 if (memcmp(ns8.string(), curNs, nsLen) == 0) { 1192 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1193 return i; 1194 } 1195 } 1196 } 1197 } 1198 } else { 1199 STRING_POOL_NOISY(ALOGI("indexOfAttribute UTF16 %s (%d) / %s (%d)", 1200 String8(ns, nsLen).string(), nsLen, 1201 String8(attr, attrLen).string(), attrLen)); 1202 for (size_t i=0; i<N; i++) { 1203 size_t curNsLen = 0, curAttrLen = 0; 1204 const char16_t* curNs = getAttributeNamespace(i, &curNsLen); 1205 const char16_t* curAttr = getAttributeName(i, &curAttrLen); 1206 STRING_POOL_NOISY(ALOGI(" curNs=%s (%d), curAttr=%s (%d)", 1207 String8(curNs, curNsLen).string(), curNsLen, 1208 String8(curAttr, curAttrLen).string(), curAttrLen)); 1209 if (curAttr != NULL && curNsLen == nsLen && curAttrLen == attrLen 1210 && (memcmp(attr, curAttr, attrLen*sizeof(char16_t)) == 0)) { 1211 if (ns == NULL) { 1212 if (curNs == NULL) { 1213 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1214 return i; 1215 } 1216 } else if (curNs != NULL) { 1217 //printf(" --> ns=%s, curNs=%s\n", 1218 // String8(ns).string(), String8(curNs).string()); 1219 if (memcmp(ns, curNs, nsLen*sizeof(char16_t)) == 0) { 1220 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1221 return i; 1222 } 1223 } 1224 } 1225 } 1226 } 1227 } 1228 1229 return NAME_NOT_FOUND; 1230} 1231 1232ssize_t ResXMLParser::indexOfID() const 1233{ 1234 if (mEventCode == START_TAG) { 1235 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->idIndex); 1236 if (idx > 0) return (idx-1); 1237 } 1238 return NAME_NOT_FOUND; 1239} 1240 1241ssize_t ResXMLParser::indexOfClass() const 1242{ 1243 if (mEventCode == START_TAG) { 1244 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->classIndex); 1245 if (idx > 0) return (idx-1); 1246 } 1247 return NAME_NOT_FOUND; 1248} 1249 1250ssize_t ResXMLParser::indexOfStyle() const 1251{ 1252 if (mEventCode == START_TAG) { 1253 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->styleIndex); 1254 if (idx > 0) return (idx-1); 1255 } 1256 return NAME_NOT_FOUND; 1257} 1258 1259ResXMLParser::event_code_t ResXMLParser::nextNode() 1260{ 1261 if (mEventCode < 0) { 1262 return mEventCode; 1263 } 1264 1265 do { 1266 const ResXMLTree_node* next = (const ResXMLTree_node*) 1267 (((const uint8_t*)mCurNode) + dtohl(mCurNode->header.size)); 1268 //ALOGW("Next node: prev=%p, next=%p\n", mCurNode, next); 1269 1270 if (((const uint8_t*)next) >= mTree.mDataEnd) { 1271 mCurNode = NULL; 1272 return (mEventCode=END_DOCUMENT); 1273 } 1274 1275 if (mTree.validateNode(next) != NO_ERROR) { 1276 mCurNode = NULL; 1277 return (mEventCode=BAD_DOCUMENT); 1278 } 1279 1280 mCurNode = next; 1281 const uint16_t headerSize = dtohs(next->header.headerSize); 1282 const uint32_t totalSize = dtohl(next->header.size); 1283 mCurExt = ((const uint8_t*)next) + headerSize; 1284 size_t minExtSize = 0; 1285 event_code_t eventCode = (event_code_t)dtohs(next->header.type); 1286 switch ((mEventCode=eventCode)) { 1287 case RES_XML_START_NAMESPACE_TYPE: 1288 case RES_XML_END_NAMESPACE_TYPE: 1289 minExtSize = sizeof(ResXMLTree_namespaceExt); 1290 break; 1291 case RES_XML_START_ELEMENT_TYPE: 1292 minExtSize = sizeof(ResXMLTree_attrExt); 1293 break; 1294 case RES_XML_END_ELEMENT_TYPE: 1295 minExtSize = sizeof(ResXMLTree_endElementExt); 1296 break; 1297 case RES_XML_CDATA_TYPE: 1298 minExtSize = sizeof(ResXMLTree_cdataExt); 1299 break; 1300 default: 1301 ALOGW("Unknown XML block: header type %d in node at %d\n", 1302 (int)dtohs(next->header.type), 1303 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader))); 1304 continue; 1305 } 1306 1307 if ((totalSize-headerSize) < minExtSize) { 1308 ALOGW("Bad XML block: header type 0x%x in node at 0x%x has size %d, need %d\n", 1309 (int)dtohs(next->header.type), 1310 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader)), 1311 (int)(totalSize-headerSize), (int)minExtSize); 1312 return (mEventCode=BAD_DOCUMENT); 1313 } 1314 1315 //printf("CurNode=%p, CurExt=%p, headerSize=%d, minExtSize=%d\n", 1316 // mCurNode, mCurExt, headerSize, minExtSize); 1317 1318 return eventCode; 1319 } while (true); 1320} 1321 1322void ResXMLParser::getPosition(ResXMLParser::ResXMLPosition* pos) const 1323{ 1324 pos->eventCode = mEventCode; 1325 pos->curNode = mCurNode; 1326 pos->curExt = mCurExt; 1327} 1328 1329void ResXMLParser::setPosition(const ResXMLParser::ResXMLPosition& pos) 1330{ 1331 mEventCode = pos.eventCode; 1332 mCurNode = pos.curNode; 1333 mCurExt = pos.curExt; 1334} 1335 1336 1337// -------------------------------------------------------------------- 1338 1339static volatile int32_t gCount = 0; 1340 1341ResXMLTree::ResXMLTree() 1342 : ResXMLParser(*this) 1343 , mError(NO_INIT), mOwnedData(NULL) 1344{ 1345 //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); 1346 restart(); 1347} 1348 1349ResXMLTree::ResXMLTree(const void* data, size_t size, bool copyData) 1350 : ResXMLParser(*this) 1351 , mError(NO_INIT), mOwnedData(NULL) 1352{ 1353 //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); 1354 setTo(data, size, copyData); 1355} 1356 1357ResXMLTree::~ResXMLTree() 1358{ 1359 //ALOGI("Destroying ResXMLTree in %p #%d\n", this, android_atomic_dec(&gCount)-1); 1360 uninit(); 1361} 1362 1363status_t ResXMLTree::setTo(const void* data, size_t size, bool copyData) 1364{ 1365 uninit(); 1366 mEventCode = START_DOCUMENT; 1367 1368 if (!data || !size) { 1369 return (mError=BAD_TYPE); 1370 } 1371 1372 if (copyData) { 1373 mOwnedData = malloc(size); 1374 if (mOwnedData == NULL) { 1375 return (mError=NO_MEMORY); 1376 } 1377 memcpy(mOwnedData, data, size); 1378 data = mOwnedData; 1379 } 1380 1381 mHeader = (const ResXMLTree_header*)data; 1382 mSize = dtohl(mHeader->header.size); 1383 if (dtohs(mHeader->header.headerSize) > mSize || mSize > size) { 1384 ALOGW("Bad XML block: header size %d or total size %d is larger than data size %d\n", 1385 (int)dtohs(mHeader->header.headerSize), 1386 (int)dtohl(mHeader->header.size), (int)size); 1387 mError = BAD_TYPE; 1388 restart(); 1389 return mError; 1390 } 1391 mDataEnd = ((const uint8_t*)mHeader) + mSize; 1392 1393 mStrings.uninit(); 1394 mRootNode = NULL; 1395 mResIds = NULL; 1396 mNumResIds = 0; 1397 1398 // First look for a couple interesting chunks: the string block 1399 // and first XML node. 1400 const ResChunk_header* chunk = 1401 (const ResChunk_header*)(((const uint8_t*)mHeader) + dtohs(mHeader->header.headerSize)); 1402 const ResChunk_header* lastChunk = chunk; 1403 while (((const uint8_t*)chunk) < (mDataEnd-sizeof(ResChunk_header)) && 1404 ((const uint8_t*)chunk) < (mDataEnd-dtohl(chunk->size))) { 1405 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), mDataEnd, "XML"); 1406 if (err != NO_ERROR) { 1407 mError = err; 1408 goto done; 1409 } 1410 const uint16_t type = dtohs(chunk->type); 1411 const size_t size = dtohl(chunk->size); 1412 XML_NOISY(printf("Scanning @ %p: type=0x%x, size=0x%x\n", 1413 (void*)(((uint32_t)chunk)-((uint32_t)mHeader)), type, size)); 1414 if (type == RES_STRING_POOL_TYPE) { 1415 mStrings.setTo(chunk, size); 1416 } else if (type == RES_XML_RESOURCE_MAP_TYPE) { 1417 mResIds = (const uint32_t*) 1418 (((const uint8_t*)chunk)+dtohs(chunk->headerSize)); 1419 mNumResIds = (dtohl(chunk->size)-dtohs(chunk->headerSize))/sizeof(uint32_t); 1420 } else if (type >= RES_XML_FIRST_CHUNK_TYPE 1421 && type <= RES_XML_LAST_CHUNK_TYPE) { 1422 if (validateNode((const ResXMLTree_node*)chunk) != NO_ERROR) { 1423 mError = BAD_TYPE; 1424 goto done; 1425 } 1426 mCurNode = (const ResXMLTree_node*)lastChunk; 1427 if (nextNode() == BAD_DOCUMENT) { 1428 mError = BAD_TYPE; 1429 goto done; 1430 } 1431 mRootNode = mCurNode; 1432 mRootExt = mCurExt; 1433 mRootCode = mEventCode; 1434 break; 1435 } else { 1436 XML_NOISY(printf("Skipping unknown chunk!\n")); 1437 } 1438 lastChunk = chunk; 1439 chunk = (const ResChunk_header*) 1440 (((const uint8_t*)chunk) + size); 1441 } 1442 1443 if (mRootNode == NULL) { 1444 ALOGW("Bad XML block: no root element node found\n"); 1445 mError = BAD_TYPE; 1446 goto done; 1447 } 1448 1449 mError = mStrings.getError(); 1450 1451done: 1452 restart(); 1453 return mError; 1454} 1455 1456status_t ResXMLTree::getError() const 1457{ 1458 return mError; 1459} 1460 1461void ResXMLTree::uninit() 1462{ 1463 mError = NO_INIT; 1464 mStrings.uninit(); 1465 if (mOwnedData) { 1466 free(mOwnedData); 1467 mOwnedData = NULL; 1468 } 1469 restart(); 1470} 1471 1472status_t ResXMLTree::validateNode(const ResXMLTree_node* node) const 1473{ 1474 const uint16_t eventCode = dtohs(node->header.type); 1475 1476 status_t err = validate_chunk( 1477 &node->header, sizeof(ResXMLTree_node), 1478 mDataEnd, "ResXMLTree_node"); 1479 1480 if (err >= NO_ERROR) { 1481 // Only perform additional validation on START nodes 1482 if (eventCode != RES_XML_START_ELEMENT_TYPE) { 1483 return NO_ERROR; 1484 } 1485 1486 const uint16_t headerSize = dtohs(node->header.headerSize); 1487 const uint32_t size = dtohl(node->header.size); 1488 const ResXMLTree_attrExt* attrExt = (const ResXMLTree_attrExt*) 1489 (((const uint8_t*)node) + headerSize); 1490 // check for sensical values pulled out of the stream so far... 1491 if ((size >= headerSize + sizeof(ResXMLTree_attrExt)) 1492 && ((void*)attrExt > (void*)node)) { 1493 const size_t attrSize = ((size_t)dtohs(attrExt->attributeSize)) 1494 * dtohs(attrExt->attributeCount); 1495 if ((dtohs(attrExt->attributeStart)+attrSize) <= (size-headerSize)) { 1496 return NO_ERROR; 1497 } 1498 ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1499 (unsigned int)(dtohs(attrExt->attributeStart)+attrSize), 1500 (unsigned int)(size-headerSize)); 1501 } 1502 else { 1503 ALOGW("Bad XML start block: node header size 0x%x, size 0x%x\n", 1504 (unsigned int)headerSize, (unsigned int)size); 1505 } 1506 return BAD_TYPE; 1507 } 1508 1509 return err; 1510 1511#if 0 1512 const bool isStart = dtohs(node->header.type) == RES_XML_START_ELEMENT_TYPE; 1513 1514 const uint16_t headerSize = dtohs(node->header.headerSize); 1515 const uint32_t size = dtohl(node->header.size); 1516 1517 if (headerSize >= (isStart ? sizeof(ResXMLTree_attrNode) : sizeof(ResXMLTree_node))) { 1518 if (size >= headerSize) { 1519 if (((const uint8_t*)node) <= (mDataEnd-size)) { 1520 if (!isStart) { 1521 return NO_ERROR; 1522 } 1523 if ((((size_t)dtohs(node->attributeSize))*dtohs(node->attributeCount)) 1524 <= (size-headerSize)) { 1525 return NO_ERROR; 1526 } 1527 ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1528 ((int)dtohs(node->attributeSize))*dtohs(node->attributeCount), 1529 (int)(size-headerSize)); 1530 return BAD_TYPE; 1531 } 1532 ALOGW("Bad XML block: node at 0x%x extends beyond data end 0x%x\n", 1533 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), (int)mSize); 1534 return BAD_TYPE; 1535 } 1536 ALOGW("Bad XML block: node at 0x%x header size 0x%x smaller than total size 0x%x\n", 1537 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1538 (int)headerSize, (int)size); 1539 return BAD_TYPE; 1540 } 1541 ALOGW("Bad XML block: node at 0x%x header size 0x%x too small\n", 1542 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1543 (int)headerSize); 1544 return BAD_TYPE; 1545#endif 1546} 1547 1548// -------------------------------------------------------------------- 1549// -------------------------------------------------------------------- 1550// -------------------------------------------------------------------- 1551 1552void ResTable_config::copyFromDeviceNoSwap(const ResTable_config& o) { 1553 const size_t size = dtohl(o.size); 1554 if (size >= sizeof(ResTable_config)) { 1555 *this = o; 1556 } else { 1557 memcpy(this, &o, size); 1558 memset(((uint8_t*)this)+size, 0, sizeof(ResTable_config)-size); 1559 } 1560} 1561 1562/* static */ size_t unpackLanguageOrRegion(const char in[2], const char base, 1563 char out[4]) { 1564 if (in[0] & 0x80) { 1565 // The high bit is "1", which means this is a packed three letter 1566 // language code. 1567 1568 // The smallest 5 bits of the second char are the first alphabet. 1569 const uint8_t first = in[1] & 0x1f; 1570 // The last three bits of the second char and the first two bits 1571 // of the first char are the second alphabet. 1572 const uint8_t second = ((in[1] & 0xe0) >> 5) + ((in[0] & 0x03) << 3); 1573 // Bits 3 to 7 (inclusive) of the first char are the third alphabet. 1574 const uint8_t third = (in[0] & 0x7c) >> 2; 1575 1576 out[0] = first + base; 1577 out[1] = second + base; 1578 out[2] = third + base; 1579 out[3] = 0; 1580 1581 return 3; 1582 } 1583 1584 if (in[0]) { 1585 memcpy(out, in, 2); 1586 memset(out + 2, 0, 2); 1587 return 2; 1588 } 1589 1590 memset(out, 0, 4); 1591 return 0; 1592} 1593 1594/* static */ void packLanguageOrRegion(const char* in, const char base, 1595 char out[2]) { 1596 if (in[2] == 0 || in[2] == '-') { 1597 out[0] = in[0]; 1598 out[1] = in[1]; 1599 } else { 1600 uint8_t first = (in[0] - base) & 0x00ef; 1601 uint8_t second = (in[1] - base) & 0x00ef; 1602 uint8_t third = (in[2] - base) & 0x00ef; 1603 1604 out[0] = (0x80 | (third << 2) | (second >> 3)); 1605 out[1] = ((second << 5) | first); 1606 } 1607} 1608 1609 1610void ResTable_config::packLanguage(const char* language) { 1611 packLanguageOrRegion(language, 'a', this->language); 1612} 1613 1614void ResTable_config::packRegion(const char* region) { 1615 packLanguageOrRegion(region, '0', this->country); 1616} 1617 1618size_t ResTable_config::unpackLanguage(char language[4]) const { 1619 return unpackLanguageOrRegion(this->language, 'a', language); 1620} 1621 1622size_t ResTable_config::unpackRegion(char region[4]) const { 1623 return unpackLanguageOrRegion(this->country, '0', region); 1624} 1625 1626 1627void ResTable_config::copyFromDtoH(const ResTable_config& o) { 1628 copyFromDeviceNoSwap(o); 1629 size = sizeof(ResTable_config); 1630 mcc = dtohs(mcc); 1631 mnc = dtohs(mnc); 1632 density = dtohs(density); 1633 screenWidth = dtohs(screenWidth); 1634 screenHeight = dtohs(screenHeight); 1635 sdkVersion = dtohs(sdkVersion); 1636 minorVersion = dtohs(minorVersion); 1637 smallestScreenWidthDp = dtohs(smallestScreenWidthDp); 1638 screenWidthDp = dtohs(screenWidthDp); 1639 screenHeightDp = dtohs(screenHeightDp); 1640} 1641 1642void ResTable_config::swapHtoD() { 1643 size = htodl(size); 1644 mcc = htods(mcc); 1645 mnc = htods(mnc); 1646 density = htods(density); 1647 screenWidth = htods(screenWidth); 1648 screenHeight = htods(screenHeight); 1649 sdkVersion = htods(sdkVersion); 1650 minorVersion = htods(minorVersion); 1651 smallestScreenWidthDp = htods(smallestScreenWidthDp); 1652 screenWidthDp = htods(screenWidthDp); 1653 screenHeightDp = htods(screenHeightDp); 1654} 1655 1656/* static */ inline int compareLocales(const ResTable_config &l, const ResTable_config &r) { 1657 if (l.locale != r.locale) { 1658 // NOTE: This is the old behaviour with respect to comparison orders. 1659 // The diff value here doesn't make much sense (given our bit packing scheme) 1660 // but it's stable, and that's all we need. 1661 return l.locale - r.locale; 1662 } 1663 1664 // The language & region are equal, so compare the scripts and variants. 1665 int script = memcmp(l.localeScript, r.localeScript, sizeof(l.localeScript)); 1666 if (script) { 1667 return script; 1668 } 1669 1670 // The language, region and script are equal, so compare variants. 1671 // 1672 // This should happen very infrequently (if at all.) 1673 return memcmp(l.localeVariant, r.localeVariant, sizeof(l.localeVariant)); 1674} 1675 1676int ResTable_config::compare(const ResTable_config& o) const { 1677 int32_t diff = (int32_t)(imsi - o.imsi); 1678 if (diff != 0) return diff; 1679 diff = compareLocales(*this, o); 1680 if (diff != 0) return diff; 1681 diff = (int32_t)(screenType - o.screenType); 1682 if (diff != 0) return diff; 1683 diff = (int32_t)(input - o.input); 1684 if (diff != 0) return diff; 1685 diff = (int32_t)(screenSize - o.screenSize); 1686 if (diff != 0) return diff; 1687 diff = (int32_t)(version - o.version); 1688 if (diff != 0) return diff; 1689 diff = (int32_t)(screenLayout - o.screenLayout); 1690 if (diff != 0) return diff; 1691 diff = (int32_t)(uiMode - o.uiMode); 1692 if (diff != 0) return diff; 1693 diff = (int32_t)(smallestScreenWidthDp - o.smallestScreenWidthDp); 1694 if (diff != 0) return diff; 1695 diff = (int32_t)(screenSizeDp - o.screenSizeDp); 1696 return (int)diff; 1697} 1698 1699int ResTable_config::compareLogical(const ResTable_config& o) const { 1700 if (mcc != o.mcc) { 1701 return mcc < o.mcc ? -1 : 1; 1702 } 1703 if (mnc != o.mnc) { 1704 return mnc < o.mnc ? -1 : 1; 1705 } 1706 1707 int diff = compareLocales(*this, o); 1708 if (diff < 0) { 1709 return -1; 1710 } 1711 if (diff > 0) { 1712 return 1; 1713 } 1714 1715 if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) { 1716 return (screenLayout & MASK_LAYOUTDIR) < (o.screenLayout & MASK_LAYOUTDIR) ? -1 : 1; 1717 } 1718 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1719 return smallestScreenWidthDp < o.smallestScreenWidthDp ? -1 : 1; 1720 } 1721 if (screenWidthDp != o.screenWidthDp) { 1722 return screenWidthDp < o.screenWidthDp ? -1 : 1; 1723 } 1724 if (screenHeightDp != o.screenHeightDp) { 1725 return screenHeightDp < o.screenHeightDp ? -1 : 1; 1726 } 1727 if (screenWidth != o.screenWidth) { 1728 return screenWidth < o.screenWidth ? -1 : 1; 1729 } 1730 if (screenHeight != o.screenHeight) { 1731 return screenHeight < o.screenHeight ? -1 : 1; 1732 } 1733 if (density != o.density) { 1734 return density < o.density ? -1 : 1; 1735 } 1736 if (orientation != o.orientation) { 1737 return orientation < o.orientation ? -1 : 1; 1738 } 1739 if (touchscreen != o.touchscreen) { 1740 return touchscreen < o.touchscreen ? -1 : 1; 1741 } 1742 if (input != o.input) { 1743 return input < o.input ? -1 : 1; 1744 } 1745 if (screenLayout != o.screenLayout) { 1746 return screenLayout < o.screenLayout ? -1 : 1; 1747 } 1748 if (uiMode != o.uiMode) { 1749 return uiMode < o.uiMode ? -1 : 1; 1750 } 1751 if (version != o.version) { 1752 return version < o.version ? -1 : 1; 1753 } 1754 return 0; 1755} 1756 1757int ResTable_config::diff(const ResTable_config& o) const { 1758 int diffs = 0; 1759 if (mcc != o.mcc) diffs |= CONFIG_MCC; 1760 if (mnc != o.mnc) diffs |= CONFIG_MNC; 1761 if (orientation != o.orientation) diffs |= CONFIG_ORIENTATION; 1762 if (density != o.density) diffs |= CONFIG_DENSITY; 1763 if (touchscreen != o.touchscreen) diffs |= CONFIG_TOUCHSCREEN; 1764 if (((inputFlags^o.inputFlags)&(MASK_KEYSHIDDEN|MASK_NAVHIDDEN)) != 0) 1765 diffs |= CONFIG_KEYBOARD_HIDDEN; 1766 if (keyboard != o.keyboard) diffs |= CONFIG_KEYBOARD; 1767 if (navigation != o.navigation) diffs |= CONFIG_NAVIGATION; 1768 if (screenSize != o.screenSize) diffs |= CONFIG_SCREEN_SIZE; 1769 if (version != o.version) diffs |= CONFIG_VERSION; 1770 if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) diffs |= CONFIG_LAYOUTDIR; 1771 if ((screenLayout & ~MASK_LAYOUTDIR) != (o.screenLayout & ~MASK_LAYOUTDIR)) diffs |= CONFIG_SCREEN_LAYOUT; 1772 if (uiMode != o.uiMode) diffs |= CONFIG_UI_MODE; 1773 if (smallestScreenWidthDp != o.smallestScreenWidthDp) diffs |= CONFIG_SMALLEST_SCREEN_SIZE; 1774 if (screenSizeDp != o.screenSizeDp) diffs |= CONFIG_SCREEN_SIZE; 1775 1776 const int diff = compareLocales(*this, o); 1777 if (diff) diffs |= CONFIG_LOCALE; 1778 1779 return diffs; 1780} 1781 1782int ResTable_config::isLocaleMoreSpecificThan(const ResTable_config& o) const { 1783 if (locale || o.locale) { 1784 if (language[0] != o.language[0]) { 1785 if (!language[0]) return -1; 1786 if (!o.language[0]) return 1; 1787 } 1788 1789 if (country[0] != o.country[0]) { 1790 if (!country[0]) return -1; 1791 if (!o.country[0]) return 1; 1792 } 1793 } 1794 1795 // There isn't a well specified "importance" order between variants and 1796 // scripts. We can't easily tell whether, say "en-Latn-US" is more or less 1797 // specific than "en-US-POSIX". 1798 // 1799 // We therefore arbitrarily decide to give priority to variants over 1800 // scripts since it seems more useful to do so. We will consider 1801 // "en-US-POSIX" to be more specific than "en-Latn-US". 1802 1803 const int score = ((localeScript[0] != 0) ? 1 : 0) + 1804 ((localeVariant[0] != 0) ? 2 : 0); 1805 1806 const int oScore = ((o.localeScript[0] != 0) ? 1 : 0) + 1807 ((o.localeVariant[0] != 0) ? 2 : 0); 1808 1809 return score - oScore; 1810 1811} 1812 1813bool ResTable_config::isMoreSpecificThan(const ResTable_config& o) const { 1814 // The order of the following tests defines the importance of one 1815 // configuration parameter over another. Those tests first are more 1816 // important, trumping any values in those following them. 1817 if (imsi || o.imsi) { 1818 if (mcc != o.mcc) { 1819 if (!mcc) return false; 1820 if (!o.mcc) return true; 1821 } 1822 1823 if (mnc != o.mnc) { 1824 if (!mnc) return false; 1825 if (!o.mnc) return true; 1826 } 1827 } 1828 1829 if (locale || o.locale) { 1830 const int diff = isLocaleMoreSpecificThan(o); 1831 if (diff < 0) { 1832 return false; 1833 } 1834 1835 if (diff > 0) { 1836 return true; 1837 } 1838 } 1839 1840 if (screenLayout || o.screenLayout) { 1841 if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0) { 1842 if (!(screenLayout & MASK_LAYOUTDIR)) return false; 1843 if (!(o.screenLayout & MASK_LAYOUTDIR)) return true; 1844 } 1845 } 1846 1847 if (smallestScreenWidthDp || o.smallestScreenWidthDp) { 1848 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1849 if (!smallestScreenWidthDp) return false; 1850 if (!o.smallestScreenWidthDp) return true; 1851 } 1852 } 1853 1854 if (screenSizeDp || o.screenSizeDp) { 1855 if (screenWidthDp != o.screenWidthDp) { 1856 if (!screenWidthDp) return false; 1857 if (!o.screenWidthDp) return true; 1858 } 1859 1860 if (screenHeightDp != o.screenHeightDp) { 1861 if (!screenHeightDp) return false; 1862 if (!o.screenHeightDp) return true; 1863 } 1864 } 1865 1866 if (screenLayout || o.screenLayout) { 1867 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0) { 1868 if (!(screenLayout & MASK_SCREENSIZE)) return false; 1869 if (!(o.screenLayout & MASK_SCREENSIZE)) return true; 1870 } 1871 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0) { 1872 if (!(screenLayout & MASK_SCREENLONG)) return false; 1873 if (!(o.screenLayout & MASK_SCREENLONG)) return true; 1874 } 1875 } 1876 1877 if (orientation != o.orientation) { 1878 if (!orientation) return false; 1879 if (!o.orientation) return true; 1880 } 1881 1882 if (uiMode || o.uiMode) { 1883 if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0) { 1884 if (!(uiMode & MASK_UI_MODE_TYPE)) return false; 1885 if (!(o.uiMode & MASK_UI_MODE_TYPE)) return true; 1886 } 1887 if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0) { 1888 if (!(uiMode & MASK_UI_MODE_NIGHT)) return false; 1889 if (!(o.uiMode & MASK_UI_MODE_NIGHT)) return true; 1890 } 1891 } 1892 1893 // density is never 'more specific' 1894 // as the default just equals 160 1895 1896 if (touchscreen != o.touchscreen) { 1897 if (!touchscreen) return false; 1898 if (!o.touchscreen) return true; 1899 } 1900 1901 if (input || o.input) { 1902 if (((inputFlags^o.inputFlags) & MASK_KEYSHIDDEN) != 0) { 1903 if (!(inputFlags & MASK_KEYSHIDDEN)) return false; 1904 if (!(o.inputFlags & MASK_KEYSHIDDEN)) return true; 1905 } 1906 1907 if (((inputFlags^o.inputFlags) & MASK_NAVHIDDEN) != 0) { 1908 if (!(inputFlags & MASK_NAVHIDDEN)) return false; 1909 if (!(o.inputFlags & MASK_NAVHIDDEN)) return true; 1910 } 1911 1912 if (keyboard != o.keyboard) { 1913 if (!keyboard) return false; 1914 if (!o.keyboard) return true; 1915 } 1916 1917 if (navigation != o.navigation) { 1918 if (!navigation) return false; 1919 if (!o.navigation) return true; 1920 } 1921 } 1922 1923 if (screenSize || o.screenSize) { 1924 if (screenWidth != o.screenWidth) { 1925 if (!screenWidth) return false; 1926 if (!o.screenWidth) return true; 1927 } 1928 1929 if (screenHeight != o.screenHeight) { 1930 if (!screenHeight) return false; 1931 if (!o.screenHeight) return true; 1932 } 1933 } 1934 1935 if (version || o.version) { 1936 if (sdkVersion != o.sdkVersion) { 1937 if (!sdkVersion) return false; 1938 if (!o.sdkVersion) return true; 1939 } 1940 1941 if (minorVersion != o.minorVersion) { 1942 if (!minorVersion) return false; 1943 if (!o.minorVersion) return true; 1944 } 1945 } 1946 return false; 1947} 1948 1949bool ResTable_config::isBetterThan(const ResTable_config& o, 1950 const ResTable_config* requested) const { 1951 if (requested) { 1952 if (imsi || o.imsi) { 1953 if ((mcc != o.mcc) && requested->mcc) { 1954 return (mcc); 1955 } 1956 1957 if ((mnc != o.mnc) && requested->mnc) { 1958 return (mnc); 1959 } 1960 } 1961 1962 if (locale || o.locale) { 1963 if ((language[0] != o.language[0]) && requested->language[0]) { 1964 return (language[0]); 1965 } 1966 1967 if ((country[0] != o.country[0]) && requested->country[0]) { 1968 return (country[0]); 1969 } 1970 } 1971 1972 if (localeScript[0] || o.localeScript[0]) { 1973 if (localeScript[0] != o.localeScript[0] && requested->localeScript[0]) { 1974 return localeScript[0]; 1975 } 1976 } 1977 1978 if (localeVariant[0] || o.localeVariant[0]) { 1979 if (localeVariant[0] != o.localeVariant[0] && requested->localeVariant[0]) { 1980 return localeVariant[0]; 1981 } 1982 } 1983 1984 if (screenLayout || o.screenLayout) { 1985 if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0 1986 && (requested->screenLayout & MASK_LAYOUTDIR)) { 1987 int myLayoutDir = screenLayout & MASK_LAYOUTDIR; 1988 int oLayoutDir = o.screenLayout & MASK_LAYOUTDIR; 1989 return (myLayoutDir > oLayoutDir); 1990 } 1991 } 1992 1993 if (smallestScreenWidthDp || o.smallestScreenWidthDp) { 1994 // The configuration closest to the actual size is best. 1995 // We assume that larger configs have already been filtered 1996 // out at this point. That means we just want the largest one. 1997 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1998 return smallestScreenWidthDp > o.smallestScreenWidthDp; 1999 } 2000 } 2001 2002 if (screenSizeDp || o.screenSizeDp) { 2003 // "Better" is based on the sum of the difference between both 2004 // width and height from the requested dimensions. We are 2005 // assuming the invalid configs (with smaller dimens) have 2006 // already been filtered. Note that if a particular dimension 2007 // is unspecified, we will end up with a large value (the 2008 // difference between 0 and the requested dimension), which is 2009 // good since we will prefer a config that has specified a 2010 // dimension value. 2011 int myDelta = 0, otherDelta = 0; 2012 if (requested->screenWidthDp) { 2013 myDelta += requested->screenWidthDp - screenWidthDp; 2014 otherDelta += requested->screenWidthDp - o.screenWidthDp; 2015 } 2016 if (requested->screenHeightDp) { 2017 myDelta += requested->screenHeightDp - screenHeightDp; 2018 otherDelta += requested->screenHeightDp - o.screenHeightDp; 2019 } 2020 //ALOGI("Comparing this %dx%d to other %dx%d in %dx%d: myDelta=%d otherDelta=%d", 2021 // screenWidthDp, screenHeightDp, o.screenWidthDp, o.screenHeightDp, 2022 // requested->screenWidthDp, requested->screenHeightDp, myDelta, otherDelta); 2023 if (myDelta != otherDelta) { 2024 return myDelta < otherDelta; 2025 } 2026 } 2027 2028 if (screenLayout || o.screenLayout) { 2029 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0 2030 && (requested->screenLayout & MASK_SCREENSIZE)) { 2031 // A little backwards compatibility here: undefined is 2032 // considered equivalent to normal. But only if the 2033 // requested size is at least normal; otherwise, small 2034 // is better than the default. 2035 int mySL = (screenLayout & MASK_SCREENSIZE); 2036 int oSL = (o.screenLayout & MASK_SCREENSIZE); 2037 int fixedMySL = mySL; 2038 int fixedOSL = oSL; 2039 if ((requested->screenLayout & MASK_SCREENSIZE) >= SCREENSIZE_NORMAL) { 2040 if (fixedMySL == 0) fixedMySL = SCREENSIZE_NORMAL; 2041 if (fixedOSL == 0) fixedOSL = SCREENSIZE_NORMAL; 2042 } 2043 // For screen size, the best match is the one that is 2044 // closest to the requested screen size, but not over 2045 // (the not over part is dealt with in match() below). 2046 if (fixedMySL == fixedOSL) { 2047 // If the two are the same, but 'this' is actually 2048 // undefined, then the other is really a better match. 2049 if (mySL == 0) return false; 2050 return true; 2051 } 2052 if (fixedMySL != fixedOSL) { 2053 return fixedMySL > fixedOSL; 2054 } 2055 } 2056 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0 2057 && (requested->screenLayout & MASK_SCREENLONG)) { 2058 return (screenLayout & MASK_SCREENLONG); 2059 } 2060 } 2061 2062 if ((orientation != o.orientation) && requested->orientation) { 2063 return (orientation); 2064 } 2065 2066 if (uiMode || o.uiMode) { 2067 if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0 2068 && (requested->uiMode & MASK_UI_MODE_TYPE)) { 2069 return (uiMode & MASK_UI_MODE_TYPE); 2070 } 2071 if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0 2072 && (requested->uiMode & MASK_UI_MODE_NIGHT)) { 2073 return (uiMode & MASK_UI_MODE_NIGHT); 2074 } 2075 } 2076 2077 if (screenType || o.screenType) { 2078 if (density != o.density) { 2079 // density is tough. Any density is potentially useful 2080 // because the system will scale it. Scaling down 2081 // is generally better than scaling up. 2082 // Default density counts as 160dpi (the system default) 2083 // TODO - remove 160 constants 2084 int h = (density?density:160); 2085 int l = (o.density?o.density:160); 2086 bool bImBigger = true; 2087 if (l > h) { 2088 int t = h; 2089 h = l; 2090 l = t; 2091 bImBigger = false; 2092 } 2093 2094 int reqValue = (requested->density?requested->density:160); 2095 if (reqValue >= h) { 2096 // requested value higher than both l and h, give h 2097 return bImBigger; 2098 } 2099 if (l >= reqValue) { 2100 // requested value lower than both l and h, give l 2101 return !bImBigger; 2102 } 2103 // saying that scaling down is 2x better than up 2104 if (((2 * l) - reqValue) * h > reqValue * reqValue) { 2105 return !bImBigger; 2106 } else { 2107 return bImBigger; 2108 } 2109 } 2110 2111 if ((touchscreen != o.touchscreen) && requested->touchscreen) { 2112 return (touchscreen); 2113 } 2114 } 2115 2116 if (input || o.input) { 2117 const int keysHidden = inputFlags & MASK_KEYSHIDDEN; 2118 const int oKeysHidden = o.inputFlags & MASK_KEYSHIDDEN; 2119 if (keysHidden != oKeysHidden) { 2120 const int reqKeysHidden = 2121 requested->inputFlags & MASK_KEYSHIDDEN; 2122 if (reqKeysHidden) { 2123 2124 if (!keysHidden) return false; 2125 if (!oKeysHidden) return true; 2126 // For compatibility, we count KEYSHIDDEN_NO as being 2127 // the same as KEYSHIDDEN_SOFT. Here we disambiguate 2128 // these by making an exact match more specific. 2129 if (reqKeysHidden == keysHidden) return true; 2130 if (reqKeysHidden == oKeysHidden) return false; 2131 } 2132 } 2133 2134 const int navHidden = inputFlags & MASK_NAVHIDDEN; 2135 const int oNavHidden = o.inputFlags & MASK_NAVHIDDEN; 2136 if (navHidden != oNavHidden) { 2137 const int reqNavHidden = 2138 requested->inputFlags & MASK_NAVHIDDEN; 2139 if (reqNavHidden) { 2140 2141 if (!navHidden) return false; 2142 if (!oNavHidden) return true; 2143 } 2144 } 2145 2146 if ((keyboard != o.keyboard) && requested->keyboard) { 2147 return (keyboard); 2148 } 2149 2150 if ((navigation != o.navigation) && requested->navigation) { 2151 return (navigation); 2152 } 2153 } 2154 2155 if (screenSize || o.screenSize) { 2156 // "Better" is based on the sum of the difference between both 2157 // width and height from the requested dimensions. We are 2158 // assuming the invalid configs (with smaller sizes) have 2159 // already been filtered. Note that if a particular dimension 2160 // is unspecified, we will end up with a large value (the 2161 // difference between 0 and the requested dimension), which is 2162 // good since we will prefer a config that has specified a 2163 // size value. 2164 int myDelta = 0, otherDelta = 0; 2165 if (requested->screenWidth) { 2166 myDelta += requested->screenWidth - screenWidth; 2167 otherDelta += requested->screenWidth - o.screenWidth; 2168 } 2169 if (requested->screenHeight) { 2170 myDelta += requested->screenHeight - screenHeight; 2171 otherDelta += requested->screenHeight - o.screenHeight; 2172 } 2173 if (myDelta != otherDelta) { 2174 return myDelta < otherDelta; 2175 } 2176 } 2177 2178 if (version || o.version) { 2179 if ((sdkVersion != o.sdkVersion) && requested->sdkVersion) { 2180 return (sdkVersion > o.sdkVersion); 2181 } 2182 2183 if ((minorVersion != o.minorVersion) && 2184 requested->minorVersion) { 2185 return (minorVersion); 2186 } 2187 } 2188 2189 return false; 2190 } 2191 return isMoreSpecificThan(o); 2192} 2193 2194bool ResTable_config::match(const ResTable_config& settings) const { 2195 if (imsi != 0) { 2196 if (mcc != 0 && mcc != settings.mcc) { 2197 return false; 2198 } 2199 if (mnc != 0 && mnc != settings.mnc) { 2200 return false; 2201 } 2202 } 2203 if (locale != 0) { 2204 // Don't consider the script & variants when deciding matches. 2205 // 2206 // If we two configs differ only in their script or language, they 2207 // can be weeded out in the isMoreSpecificThan test. 2208 if (language[0] != 0 2209 && (language[0] != settings.language[0] 2210 || language[1] != settings.language[1])) { 2211 return false; 2212 } 2213 2214 if (country[0] != 0 2215 && (country[0] != settings.country[0] 2216 || country[1] != settings.country[1])) { 2217 return false; 2218 } 2219 } 2220 2221 if (screenConfig != 0) { 2222 const int layoutDir = screenLayout&MASK_LAYOUTDIR; 2223 const int setLayoutDir = settings.screenLayout&MASK_LAYOUTDIR; 2224 if (layoutDir != 0 && layoutDir != setLayoutDir) { 2225 return false; 2226 } 2227 2228 const int screenSize = screenLayout&MASK_SCREENSIZE; 2229 const int setScreenSize = settings.screenLayout&MASK_SCREENSIZE; 2230 // Any screen sizes for larger screens than the setting do not 2231 // match. 2232 if (screenSize != 0 && screenSize > setScreenSize) { 2233 return false; 2234 } 2235 2236 const int screenLong = screenLayout&MASK_SCREENLONG; 2237 const int setScreenLong = settings.screenLayout&MASK_SCREENLONG; 2238 if (screenLong != 0 && screenLong != setScreenLong) { 2239 return false; 2240 } 2241 2242 const int uiModeType = uiMode&MASK_UI_MODE_TYPE; 2243 const int setUiModeType = settings.uiMode&MASK_UI_MODE_TYPE; 2244 if (uiModeType != 0 && uiModeType != setUiModeType) { 2245 return false; 2246 } 2247 2248 const int uiModeNight = uiMode&MASK_UI_MODE_NIGHT; 2249 const int setUiModeNight = settings.uiMode&MASK_UI_MODE_NIGHT; 2250 if (uiModeNight != 0 && uiModeNight != setUiModeNight) { 2251 return false; 2252 } 2253 2254 if (smallestScreenWidthDp != 0 2255 && smallestScreenWidthDp > settings.smallestScreenWidthDp) { 2256 return false; 2257 } 2258 } 2259 if (screenSizeDp != 0) { 2260 if (screenWidthDp != 0 && screenWidthDp > settings.screenWidthDp) { 2261 //ALOGI("Filtering out width %d in requested %d", screenWidthDp, settings.screenWidthDp); 2262 return false; 2263 } 2264 if (screenHeightDp != 0 && screenHeightDp > settings.screenHeightDp) { 2265 //ALOGI("Filtering out height %d in requested %d", screenHeightDp, settings.screenHeightDp); 2266 return false; 2267 } 2268 } 2269 if (screenType != 0) { 2270 if (orientation != 0 && orientation != settings.orientation) { 2271 return false; 2272 } 2273 // density always matches - we can scale it. See isBetterThan 2274 if (touchscreen != 0 && touchscreen != settings.touchscreen) { 2275 return false; 2276 } 2277 } 2278 if (input != 0) { 2279 const int keysHidden = inputFlags&MASK_KEYSHIDDEN; 2280 const int setKeysHidden = settings.inputFlags&MASK_KEYSHIDDEN; 2281 if (keysHidden != 0 && keysHidden != setKeysHidden) { 2282 // For compatibility, we count a request for KEYSHIDDEN_NO as also 2283 // matching the more recent KEYSHIDDEN_SOFT. Basically 2284 // KEYSHIDDEN_NO means there is some kind of keyboard available. 2285 //ALOGI("Matching keysHidden: have=%d, config=%d\n", keysHidden, setKeysHidden); 2286 if (keysHidden != KEYSHIDDEN_NO || setKeysHidden != KEYSHIDDEN_SOFT) { 2287 //ALOGI("No match!"); 2288 return false; 2289 } 2290 } 2291 const int navHidden = inputFlags&MASK_NAVHIDDEN; 2292 const int setNavHidden = settings.inputFlags&MASK_NAVHIDDEN; 2293 if (navHidden != 0 && navHidden != setNavHidden) { 2294 return false; 2295 } 2296 if (keyboard != 0 && keyboard != settings.keyboard) { 2297 return false; 2298 } 2299 if (navigation != 0 && navigation != settings.navigation) { 2300 return false; 2301 } 2302 } 2303 if (screenSize != 0) { 2304 if (screenWidth != 0 && screenWidth > settings.screenWidth) { 2305 return false; 2306 } 2307 if (screenHeight != 0 && screenHeight > settings.screenHeight) { 2308 return false; 2309 } 2310 } 2311 if (version != 0) { 2312 if (sdkVersion != 0 && sdkVersion > settings.sdkVersion) { 2313 return false; 2314 } 2315 if (minorVersion != 0 && minorVersion != settings.minorVersion) { 2316 return false; 2317 } 2318 } 2319 return true; 2320} 2321 2322void ResTable_config::getBcp47Locale(char str[RESTABLE_MAX_LOCALE_LEN]) const { 2323 memset(str, 0, RESTABLE_MAX_LOCALE_LEN); 2324 2325 // This represents the "any" locale value, which has traditionally been 2326 // represented by the empty string. 2327 if (!language[0] && !country[0]) { 2328 return; 2329 } 2330 2331 size_t charsWritten = 0; 2332 if (language[0]) { 2333 charsWritten += unpackLanguage(str); 2334 } 2335 2336 if (localeScript[0]) { 2337 if (charsWritten) { 2338 str[charsWritten++] = '-'; 2339 } 2340 memcpy(str + charsWritten, localeScript, sizeof(localeScript)); 2341 charsWritten += sizeof(localeScript); 2342 } 2343 2344 if (country[0]) { 2345 if (charsWritten) { 2346 str[charsWritten++] = '-'; 2347 } 2348 charsWritten += unpackRegion(str + charsWritten); 2349 } 2350 2351 if (localeVariant[0]) { 2352 if (charsWritten) { 2353 str[charsWritten++] = '-'; 2354 } 2355 memcpy(str + charsWritten, localeVariant, sizeof(localeVariant)); 2356 } 2357} 2358 2359/* static */ inline bool assignLocaleComponent(ResTable_config* config, 2360 const char* start, size_t size) { 2361 2362 switch (size) { 2363 case 0: 2364 return false; 2365 case 2: 2366 case 3: 2367 config->language[0] ? config->packRegion(start) : config->packLanguage(start); 2368 break; 2369 case 4: 2370 config->localeScript[0] = toupper(start[0]); 2371 for (size_t i = 1; i < 4; ++i) { 2372 config->localeScript[i] = tolower(start[i]); 2373 } 2374 break; 2375 case 5: 2376 case 6: 2377 case 7: 2378 case 8: 2379 for (size_t i = 0; i < size; ++i) { 2380 config->localeVariant[i] = tolower(start[i]); 2381 } 2382 break; 2383 default: 2384 return false; 2385 } 2386 2387 return true; 2388} 2389 2390void ResTable_config::setBcp47Locale(const char* in) { 2391 locale = 0; 2392 memset(localeScript, 0, sizeof(localeScript)); 2393 memset(localeVariant, 0, sizeof(localeVariant)); 2394 2395 const char* separator = in; 2396 const char* start = in; 2397 while ((separator = strchr(start, '-')) != NULL) { 2398 const size_t size = separator - start; 2399 if (!assignLocaleComponent(this, start, size)) { 2400 fprintf(stderr, "Invalid BCP-47 locale string: %s", in); 2401 } 2402 2403 start = (separator + 1); 2404 } 2405 2406 const size_t size = in + strlen(in) - start; 2407 assignLocaleComponent(this, start, size); 2408} 2409 2410String8 ResTable_config::toString() const { 2411 String8 res; 2412 2413 if (mcc != 0) { 2414 if (res.size() > 0) res.append("-"); 2415 res.appendFormat("%dmcc", dtohs(mcc)); 2416 } 2417 if (mnc != 0) { 2418 if (res.size() > 0) res.append("-"); 2419 res.appendFormat("%dmnc", dtohs(mnc)); 2420 } 2421 char localeStr[RESTABLE_MAX_LOCALE_LEN]; 2422 getBcp47Locale(localeStr); 2423 res.append(localeStr); 2424 2425 if ((screenLayout&MASK_LAYOUTDIR) != 0) { 2426 if (res.size() > 0) res.append("-"); 2427 switch (screenLayout&ResTable_config::MASK_LAYOUTDIR) { 2428 case ResTable_config::LAYOUTDIR_LTR: 2429 res.append("ldltr"); 2430 break; 2431 case ResTable_config::LAYOUTDIR_RTL: 2432 res.append("ldrtl"); 2433 break; 2434 default: 2435 res.appendFormat("layoutDir=%d", 2436 dtohs(screenLayout&ResTable_config::MASK_LAYOUTDIR)); 2437 break; 2438 } 2439 } 2440 if (smallestScreenWidthDp != 0) { 2441 if (res.size() > 0) res.append("-"); 2442 res.appendFormat("sw%ddp", dtohs(smallestScreenWidthDp)); 2443 } 2444 if (screenWidthDp != 0) { 2445 if (res.size() > 0) res.append("-"); 2446 res.appendFormat("w%ddp", dtohs(screenWidthDp)); 2447 } 2448 if (screenHeightDp != 0) { 2449 if (res.size() > 0) res.append("-"); 2450 res.appendFormat("h%ddp", dtohs(screenHeightDp)); 2451 } 2452 if ((screenLayout&MASK_SCREENSIZE) != SCREENSIZE_ANY) { 2453 if (res.size() > 0) res.append("-"); 2454 switch (screenLayout&ResTable_config::MASK_SCREENSIZE) { 2455 case ResTable_config::SCREENSIZE_SMALL: 2456 res.append("small"); 2457 break; 2458 case ResTable_config::SCREENSIZE_NORMAL: 2459 res.append("normal"); 2460 break; 2461 case ResTable_config::SCREENSIZE_LARGE: 2462 res.append("large"); 2463 break; 2464 case ResTable_config::SCREENSIZE_XLARGE: 2465 res.append("xlarge"); 2466 break; 2467 default: 2468 res.appendFormat("screenLayoutSize=%d", 2469 dtohs(screenLayout&ResTable_config::MASK_SCREENSIZE)); 2470 break; 2471 } 2472 } 2473 if ((screenLayout&MASK_SCREENLONG) != 0) { 2474 if (res.size() > 0) res.append("-"); 2475 switch (screenLayout&ResTable_config::MASK_SCREENLONG) { 2476 case ResTable_config::SCREENLONG_NO: 2477 res.append("notlong"); 2478 break; 2479 case ResTable_config::SCREENLONG_YES: 2480 res.append("long"); 2481 break; 2482 default: 2483 res.appendFormat("screenLayoutLong=%d", 2484 dtohs(screenLayout&ResTable_config::MASK_SCREENLONG)); 2485 break; 2486 } 2487 } 2488 if (orientation != ORIENTATION_ANY) { 2489 if (res.size() > 0) res.append("-"); 2490 switch (orientation) { 2491 case ResTable_config::ORIENTATION_PORT: 2492 res.append("port"); 2493 break; 2494 case ResTable_config::ORIENTATION_LAND: 2495 res.append("land"); 2496 break; 2497 case ResTable_config::ORIENTATION_SQUARE: 2498 res.append("square"); 2499 break; 2500 default: 2501 res.appendFormat("orientation=%d", dtohs(orientation)); 2502 break; 2503 } 2504 } 2505 if ((uiMode&MASK_UI_MODE_TYPE) != UI_MODE_TYPE_ANY) { 2506 if (res.size() > 0) res.append("-"); 2507 switch (uiMode&ResTable_config::MASK_UI_MODE_TYPE) { 2508 case ResTable_config::UI_MODE_TYPE_DESK: 2509 res.append("desk"); 2510 break; 2511 case ResTable_config::UI_MODE_TYPE_CAR: 2512 res.append("car"); 2513 break; 2514 case ResTable_config::UI_MODE_TYPE_TELEVISION: 2515 res.append("television"); 2516 break; 2517 case ResTable_config::UI_MODE_TYPE_APPLIANCE: 2518 res.append("appliance"); 2519 break; 2520 default: 2521 res.appendFormat("uiModeType=%d", 2522 dtohs(screenLayout&ResTable_config::MASK_UI_MODE_TYPE)); 2523 break; 2524 } 2525 } 2526 if ((uiMode&MASK_UI_MODE_NIGHT) != 0) { 2527 if (res.size() > 0) res.append("-"); 2528 switch (uiMode&ResTable_config::MASK_UI_MODE_NIGHT) { 2529 case ResTable_config::UI_MODE_NIGHT_NO: 2530 res.append("notnight"); 2531 break; 2532 case ResTable_config::UI_MODE_NIGHT_YES: 2533 res.append("night"); 2534 break; 2535 default: 2536 res.appendFormat("uiModeNight=%d", 2537 dtohs(uiMode&MASK_UI_MODE_NIGHT)); 2538 break; 2539 } 2540 } 2541 if (density != DENSITY_DEFAULT) { 2542 if (res.size() > 0) res.append("-"); 2543 switch (density) { 2544 case ResTable_config::DENSITY_LOW: 2545 res.append("ldpi"); 2546 break; 2547 case ResTable_config::DENSITY_MEDIUM: 2548 res.append("mdpi"); 2549 break; 2550 case ResTable_config::DENSITY_TV: 2551 res.append("tvdpi"); 2552 break; 2553 case ResTable_config::DENSITY_HIGH: 2554 res.append("hdpi"); 2555 break; 2556 case ResTable_config::DENSITY_XHIGH: 2557 res.append("xhdpi"); 2558 break; 2559 case ResTable_config::DENSITY_XXHIGH: 2560 res.append("xxhdpi"); 2561 break; 2562 case ResTable_config::DENSITY_NONE: 2563 res.append("nodpi"); 2564 break; 2565 default: 2566 res.appendFormat("%ddpi", dtohs(density)); 2567 break; 2568 } 2569 } 2570 if (touchscreen != TOUCHSCREEN_ANY) { 2571 if (res.size() > 0) res.append("-"); 2572 switch (touchscreen) { 2573 case ResTable_config::TOUCHSCREEN_NOTOUCH: 2574 res.append("notouch"); 2575 break; 2576 case ResTable_config::TOUCHSCREEN_FINGER: 2577 res.append("finger"); 2578 break; 2579 case ResTable_config::TOUCHSCREEN_STYLUS: 2580 res.append("stylus"); 2581 break; 2582 default: 2583 res.appendFormat("touchscreen=%d", dtohs(touchscreen)); 2584 break; 2585 } 2586 } 2587 if (keyboard != KEYBOARD_ANY) { 2588 if (res.size() > 0) res.append("-"); 2589 switch (keyboard) { 2590 case ResTable_config::KEYBOARD_NOKEYS: 2591 res.append("nokeys"); 2592 break; 2593 case ResTable_config::KEYBOARD_QWERTY: 2594 res.append("qwerty"); 2595 break; 2596 case ResTable_config::KEYBOARD_12KEY: 2597 res.append("12key"); 2598 break; 2599 default: 2600 res.appendFormat("keyboard=%d", dtohs(keyboard)); 2601 break; 2602 } 2603 } 2604 if ((inputFlags&MASK_KEYSHIDDEN) != 0) { 2605 if (res.size() > 0) res.append("-"); 2606 switch (inputFlags&MASK_KEYSHIDDEN) { 2607 case ResTable_config::KEYSHIDDEN_NO: 2608 res.append("keysexposed"); 2609 break; 2610 case ResTable_config::KEYSHIDDEN_YES: 2611 res.append("keyshidden"); 2612 break; 2613 case ResTable_config::KEYSHIDDEN_SOFT: 2614 res.append("keyssoft"); 2615 break; 2616 } 2617 } 2618 if (navigation != NAVIGATION_ANY) { 2619 if (res.size() > 0) res.append("-"); 2620 switch (navigation) { 2621 case ResTable_config::NAVIGATION_NONAV: 2622 res.append("nonav"); 2623 break; 2624 case ResTable_config::NAVIGATION_DPAD: 2625 res.append("dpad"); 2626 break; 2627 case ResTable_config::NAVIGATION_TRACKBALL: 2628 res.append("trackball"); 2629 break; 2630 case ResTable_config::NAVIGATION_WHEEL: 2631 res.append("wheel"); 2632 break; 2633 default: 2634 res.appendFormat("navigation=%d", dtohs(navigation)); 2635 break; 2636 } 2637 } 2638 if ((inputFlags&MASK_NAVHIDDEN) != 0) { 2639 if (res.size() > 0) res.append("-"); 2640 switch (inputFlags&MASK_NAVHIDDEN) { 2641 case ResTable_config::NAVHIDDEN_NO: 2642 res.append("navsexposed"); 2643 break; 2644 case ResTable_config::NAVHIDDEN_YES: 2645 res.append("navhidden"); 2646 break; 2647 default: 2648 res.appendFormat("inputFlagsNavHidden=%d", 2649 dtohs(inputFlags&MASK_NAVHIDDEN)); 2650 break; 2651 } 2652 } 2653 if (screenSize != 0) { 2654 if (res.size() > 0) res.append("-"); 2655 res.appendFormat("%dx%d", dtohs(screenWidth), dtohs(screenHeight)); 2656 } 2657 if (version != 0) { 2658 if (res.size() > 0) res.append("-"); 2659 res.appendFormat("v%d", dtohs(sdkVersion)); 2660 if (minorVersion != 0) { 2661 res.appendFormat(".%d", dtohs(minorVersion)); 2662 } 2663 } 2664 2665 return res; 2666} 2667 2668// -------------------------------------------------------------------- 2669// -------------------------------------------------------------------- 2670// -------------------------------------------------------------------- 2671 2672struct ResTable::Header 2673{ 2674 Header(ResTable* _owner) : owner(_owner), ownedData(NULL), header(NULL), 2675 resourceIDMap(NULL), resourceIDMapSize(0) { } 2676 2677 ~Header() 2678 { 2679 free(resourceIDMap); 2680 } 2681 2682 ResTable* const owner; 2683 void* ownedData; 2684 const ResTable_header* header; 2685 size_t size; 2686 const uint8_t* dataEnd; 2687 size_t index; 2688 int32_t cookie; 2689 2690 ResStringPool values; 2691 uint32_t* resourceIDMap; 2692 size_t resourceIDMapSize; 2693}; 2694 2695struct ResTable::Type 2696{ 2697 Type(const Header* _header, const Package* _package, size_t count) 2698 : header(_header), package(_package), entryCount(count), 2699 typeSpec(NULL), typeSpecFlags(NULL) { } 2700 const Header* const header; 2701 const Package* const package; 2702 const size_t entryCount; 2703 const ResTable_typeSpec* typeSpec; 2704 const uint32_t* typeSpecFlags; 2705 Vector<const ResTable_type*> configs; 2706}; 2707 2708struct ResTable::Package 2709{ 2710 Package(ResTable* _owner, const Header* _header, const ResTable_package* _package) 2711 : owner(_owner), header(_header), package(_package) { } 2712 ~Package() 2713 { 2714 size_t i = types.size(); 2715 while (i > 0) { 2716 i--; 2717 delete types[i]; 2718 } 2719 } 2720 2721 ResTable* const owner; 2722 const Header* const header; 2723 const ResTable_package* const package; 2724 Vector<Type*> types; 2725 2726 ResStringPool typeStrings; 2727 ResStringPool keyStrings; 2728 2729 const Type* getType(size_t idx) const { 2730 return idx < types.size() ? types[idx] : NULL; 2731 } 2732}; 2733 2734// A group of objects describing a particular resource package. 2735// The first in 'package' is always the root object (from the resource 2736// table that defined the package); the ones after are skins on top of it. 2737struct ResTable::PackageGroup 2738{ 2739 PackageGroup(ResTable* _owner, const String16& _name, uint32_t _id) 2740 : owner(_owner), name(_name), id(_id), typeCount(0), bags(NULL) { } 2741 ~PackageGroup() { 2742 clearBagCache(); 2743 const size_t N = packages.size(); 2744 for (size_t i=0; i<N; i++) { 2745 Package* pkg = packages[i]; 2746 if (pkg->owner == owner) { 2747 delete pkg; 2748 } 2749 } 2750 } 2751 2752 void clearBagCache() { 2753 if (bags) { 2754 TABLE_NOISY(printf("bags=%p\n", bags)); 2755 Package* pkg = packages[0]; 2756 TABLE_NOISY(printf("typeCount=%x\n", typeCount)); 2757 for (size_t i=0; i<typeCount; i++) { 2758 TABLE_NOISY(printf("type=%d\n", i)); 2759 const Type* type = pkg->getType(i); 2760 if (type != NULL) { 2761 bag_set** typeBags = bags[i]; 2762 TABLE_NOISY(printf("typeBags=%p\n", typeBags)); 2763 if (typeBags) { 2764 TABLE_NOISY(printf("type->entryCount=%x\n", type->entryCount)); 2765 const size_t N = type->entryCount; 2766 for (size_t j=0; j<N; j++) { 2767 if (typeBags[j] && typeBags[j] != (bag_set*)0xFFFFFFFF) 2768 free(typeBags[j]); 2769 } 2770 free(typeBags); 2771 } 2772 } 2773 } 2774 free(bags); 2775 bags = NULL; 2776 } 2777 } 2778 2779 ResTable* const owner; 2780 String16 const name; 2781 uint32_t const id; 2782 Vector<Package*> packages; 2783 2784 // This is for finding typeStrings and other common package stuff. 2785 Package* basePackage; 2786 2787 // For quick access. 2788 size_t typeCount; 2789 2790 // Computed attribute bags, first indexed by the type and second 2791 // by the entry in that type. 2792 bag_set*** bags; 2793}; 2794 2795struct ResTable::bag_set 2796{ 2797 size_t numAttrs; // number in array 2798 size_t availAttrs; // total space in array 2799 uint32_t typeSpecFlags; 2800 // Followed by 'numAttr' bag_entry structures. 2801}; 2802 2803ResTable::Theme::Theme(const ResTable& table) 2804 : mTable(table) 2805{ 2806 memset(mPackages, 0, sizeof(mPackages)); 2807} 2808 2809ResTable::Theme::~Theme() 2810{ 2811 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2812 package_info* pi = mPackages[i]; 2813 if (pi != NULL) { 2814 free_package(pi); 2815 } 2816 } 2817} 2818 2819void ResTable::Theme::free_package(package_info* pi) 2820{ 2821 for (size_t j=0; j<pi->numTypes; j++) { 2822 theme_entry* te = pi->types[j].entries; 2823 if (te != NULL) { 2824 free(te); 2825 } 2826 } 2827 free(pi); 2828} 2829 2830ResTable::Theme::package_info* ResTable::Theme::copy_package(package_info* pi) 2831{ 2832 package_info* newpi = (package_info*)malloc( 2833 sizeof(package_info) + (pi->numTypes*sizeof(type_info))); 2834 newpi->numTypes = pi->numTypes; 2835 for (size_t j=0; j<newpi->numTypes; j++) { 2836 size_t cnt = pi->types[j].numEntries; 2837 newpi->types[j].numEntries = cnt; 2838 theme_entry* te = pi->types[j].entries; 2839 if (te != NULL) { 2840 theme_entry* newte = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 2841 newpi->types[j].entries = newte; 2842 memcpy(newte, te, cnt*sizeof(theme_entry)); 2843 } else { 2844 newpi->types[j].entries = NULL; 2845 } 2846 } 2847 return newpi; 2848} 2849 2850status_t ResTable::Theme::applyStyle(uint32_t resID, bool force) 2851{ 2852 const bag_entry* bag; 2853 uint32_t bagTypeSpecFlags = 0; 2854 mTable.lock(); 2855 const ssize_t N = mTable.getBagLocked(resID, &bag, &bagTypeSpecFlags); 2856 TABLE_NOISY(ALOGV("Applying style 0x%08x to theme %p, count=%d", resID, this, N)); 2857 if (N < 0) { 2858 mTable.unlock(); 2859 return N; 2860 } 2861 2862 uint32_t curPackage = 0xffffffff; 2863 ssize_t curPackageIndex = 0; 2864 package_info* curPI = NULL; 2865 uint32_t curType = 0xffffffff; 2866 size_t numEntries = 0; 2867 theme_entry* curEntries = NULL; 2868 2869 const bag_entry* end = bag + N; 2870 while (bag < end) { 2871 const uint32_t attrRes = bag->map.name.ident; 2872 const uint32_t p = Res_GETPACKAGE(attrRes); 2873 const uint32_t t = Res_GETTYPE(attrRes); 2874 const uint32_t e = Res_GETENTRY(attrRes); 2875 2876 if (curPackage != p) { 2877 const ssize_t pidx = mTable.getResourcePackageIndex(attrRes); 2878 if (pidx < 0) { 2879 ALOGE("Style contains key with bad package: 0x%08x\n", attrRes); 2880 bag++; 2881 continue; 2882 } 2883 curPackage = p; 2884 curPackageIndex = pidx; 2885 curPI = mPackages[pidx]; 2886 if (curPI == NULL) { 2887 PackageGroup* const grp = mTable.mPackageGroups[pidx]; 2888 int cnt = grp->typeCount; 2889 curPI = (package_info*)malloc( 2890 sizeof(package_info) + (cnt*sizeof(type_info))); 2891 curPI->numTypes = cnt; 2892 memset(curPI->types, 0, cnt*sizeof(type_info)); 2893 mPackages[pidx] = curPI; 2894 } 2895 curType = 0xffffffff; 2896 } 2897 if (curType != t) { 2898 if (t >= curPI->numTypes) { 2899 ALOGE("Style contains key with bad type: 0x%08x\n", attrRes); 2900 bag++; 2901 continue; 2902 } 2903 curType = t; 2904 curEntries = curPI->types[t].entries; 2905 if (curEntries == NULL) { 2906 PackageGroup* const grp = mTable.mPackageGroups[curPackageIndex]; 2907 const Type* type = grp->packages[0]->getType(t); 2908 int cnt = type != NULL ? type->entryCount : 0; 2909 curEntries = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 2910 memset(curEntries, Res_value::TYPE_NULL, cnt*sizeof(theme_entry)); 2911 curPI->types[t].numEntries = cnt; 2912 curPI->types[t].entries = curEntries; 2913 } 2914 numEntries = curPI->types[t].numEntries; 2915 } 2916 if (e >= numEntries) { 2917 ALOGE("Style contains key with bad entry: 0x%08x\n", attrRes); 2918 bag++; 2919 continue; 2920 } 2921 theme_entry* curEntry = curEntries + e; 2922 TABLE_NOISY(ALOGV("Attr 0x%08x: type=0x%x, data=0x%08x; curType=0x%x", 2923 attrRes, bag->map.value.dataType, bag->map.value.data, 2924 curEntry->value.dataType)); 2925 if (force || curEntry->value.dataType == Res_value::TYPE_NULL) { 2926 curEntry->stringBlock = bag->stringBlock; 2927 curEntry->typeSpecFlags |= bagTypeSpecFlags; 2928 curEntry->value = bag->map.value; 2929 } 2930 2931 bag++; 2932 } 2933 2934 mTable.unlock(); 2935 2936 //ALOGI("Applying style 0x%08x (force=%d) theme %p...\n", resID, force, this); 2937 //dumpToLog(); 2938 2939 return NO_ERROR; 2940} 2941 2942status_t ResTable::Theme::setTo(const Theme& other) 2943{ 2944 //ALOGI("Setting theme %p from theme %p...\n", this, &other); 2945 //dumpToLog(); 2946 //other.dumpToLog(); 2947 2948 if (&mTable == &other.mTable) { 2949 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2950 if (mPackages[i] != NULL) { 2951 free_package(mPackages[i]); 2952 } 2953 if (other.mPackages[i] != NULL) { 2954 mPackages[i] = copy_package(other.mPackages[i]); 2955 } else { 2956 mPackages[i] = NULL; 2957 } 2958 } 2959 } else { 2960 // @todo: need to really implement this, not just copy 2961 // the system package (which is still wrong because it isn't 2962 // fixing up resource references). 2963 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2964 if (mPackages[i] != NULL) { 2965 free_package(mPackages[i]); 2966 } 2967 if (i == 0 && other.mPackages[i] != NULL) { 2968 mPackages[i] = copy_package(other.mPackages[i]); 2969 } else { 2970 mPackages[i] = NULL; 2971 } 2972 } 2973 } 2974 2975 //ALOGI("Final theme:"); 2976 //dumpToLog(); 2977 2978 return NO_ERROR; 2979} 2980 2981ssize_t ResTable::Theme::getAttribute(uint32_t resID, Res_value* outValue, 2982 uint32_t* outTypeSpecFlags) const 2983{ 2984 int cnt = 20; 2985 2986 if (outTypeSpecFlags != NULL) *outTypeSpecFlags = 0; 2987 2988 do { 2989 const ssize_t p = mTable.getResourcePackageIndex(resID); 2990 const uint32_t t = Res_GETTYPE(resID); 2991 const uint32_t e = Res_GETENTRY(resID); 2992 2993 TABLE_THEME(ALOGI("Looking up attr 0x%08x in theme %p", resID, this)); 2994 2995 if (p >= 0) { 2996 const package_info* const pi = mPackages[p]; 2997 TABLE_THEME(ALOGI("Found package: %p", pi)); 2998 if (pi != NULL) { 2999 TABLE_THEME(ALOGI("Desired type index is %ld in avail %d", t, pi->numTypes)); 3000 if (t < pi->numTypes) { 3001 const type_info& ti = pi->types[t]; 3002 TABLE_THEME(ALOGI("Desired entry index is %ld in avail %d", e, ti.numEntries)); 3003 if (e < ti.numEntries) { 3004 const theme_entry& te = ti.entries[e]; 3005 if (outTypeSpecFlags != NULL) { 3006 *outTypeSpecFlags |= te.typeSpecFlags; 3007 } 3008 TABLE_THEME(ALOGI("Theme value: type=0x%x, data=0x%08x", 3009 te.value.dataType, te.value.data)); 3010 const uint8_t type = te.value.dataType; 3011 if (type == Res_value::TYPE_ATTRIBUTE) { 3012 if (cnt > 0) { 3013 cnt--; 3014 resID = te.value.data; 3015 continue; 3016 } 3017 ALOGW("Too many attribute references, stopped at: 0x%08x\n", resID); 3018 return BAD_INDEX; 3019 } else if (type != Res_value::TYPE_NULL) { 3020 *outValue = te.value; 3021 return te.stringBlock; 3022 } 3023 return BAD_INDEX; 3024 } 3025 } 3026 } 3027 } 3028 break; 3029 3030 } while (true); 3031 3032 return BAD_INDEX; 3033} 3034 3035ssize_t ResTable::Theme::resolveAttributeReference(Res_value* inOutValue, 3036 ssize_t blockIndex, uint32_t* outLastRef, 3037 uint32_t* inoutTypeSpecFlags, ResTable_config* inoutConfig) const 3038{ 3039 //printf("Resolving type=0x%x\n", inOutValue->dataType); 3040 if (inOutValue->dataType == Res_value::TYPE_ATTRIBUTE) { 3041 uint32_t newTypeSpecFlags; 3042 blockIndex = getAttribute(inOutValue->data, inOutValue, &newTypeSpecFlags); 3043 TABLE_THEME(ALOGI("Resolving attr reference: blockIndex=%d, type=0x%x, data=%p\n", 3044 (int)blockIndex, (int)inOutValue->dataType, (void*)inOutValue->data)); 3045 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newTypeSpecFlags; 3046 //printf("Retrieved attribute new type=0x%x\n", inOutValue->dataType); 3047 if (blockIndex < 0) { 3048 return blockIndex; 3049 } 3050 } 3051 return mTable.resolveReference(inOutValue, blockIndex, outLastRef, 3052 inoutTypeSpecFlags, inoutConfig); 3053} 3054 3055void ResTable::Theme::dumpToLog() const 3056{ 3057 ALOGI("Theme %p:\n", this); 3058 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 3059 package_info* pi = mPackages[i]; 3060 if (pi == NULL) continue; 3061 3062 ALOGI(" Package #0x%02x:\n", (int)(i+1)); 3063 for (size_t j=0; j<pi->numTypes; j++) { 3064 type_info& ti = pi->types[j]; 3065 if (ti.numEntries == 0) continue; 3066 3067 ALOGI(" Type #0x%02x:\n", (int)(j+1)); 3068 for (size_t k=0; k<ti.numEntries; k++) { 3069 theme_entry& te = ti.entries[k]; 3070 if (te.value.dataType == Res_value::TYPE_NULL) continue; 3071 ALOGI(" 0x%08x: t=0x%x, d=0x%08x (block=%d)\n", 3072 (int)Res_MAKEID(i, j, k), 3073 te.value.dataType, (int)te.value.data, (int)te.stringBlock); 3074 } 3075 } 3076 } 3077} 3078 3079ResTable::ResTable() 3080 : mError(NO_INIT) 3081{ 3082 memset(&mParams, 0, sizeof(mParams)); 3083 memset(mPackageMap, 0, sizeof(mPackageMap)); 3084 //ALOGI("Creating ResTable %p\n", this); 3085} 3086 3087ResTable::ResTable(const void* data, size_t size, const int32_t cookie, bool copyData) 3088 : mError(NO_INIT) 3089{ 3090 memset(&mParams, 0, sizeof(mParams)); 3091 memset(mPackageMap, 0, sizeof(mPackageMap)); 3092 addInternal(data, size, cookie, NULL /* asset */, copyData, NULL /* idMap */); 3093 LOG_FATAL_IF(mError != NO_ERROR, "Error parsing resource table"); 3094 //ALOGI("Creating ResTable %p\n", this); 3095} 3096 3097ResTable::~ResTable() 3098{ 3099 //ALOGI("Destroying ResTable in %p\n", this); 3100 uninit(); 3101} 3102 3103inline ssize_t ResTable::getResourcePackageIndex(uint32_t resID) const 3104{ 3105 return ((ssize_t)mPackageMap[Res_GETPACKAGE(resID)+1])-1; 3106} 3107 3108status_t ResTable::add(const void* data, size_t size) { 3109 return addInternal(data, size, 0 /* cookie */, NULL /* asset */, 3110 false /* copyData */, NULL /* idMap */); 3111} 3112 3113status_t ResTable::add(Asset* asset, const int32_t cookie, bool copyData, const void* idmap) 3114{ 3115 const void* data = asset->getBuffer(true); 3116 if (data == NULL) { 3117 ALOGW("Unable to get buffer of resource asset file"); 3118 return UNKNOWN_ERROR; 3119 } 3120 size_t size = (size_t)asset->getLength(); 3121 return addInternal(data, size, cookie, asset, copyData, 3122 reinterpret_cast<const Asset*>(idmap)); 3123} 3124 3125status_t ResTable::add(ResTable* src) 3126{ 3127 mError = src->mError; 3128 3129 for (size_t i=0; i<src->mHeaders.size(); i++) { 3130 mHeaders.add(src->mHeaders[i]); 3131 } 3132 3133 for (size_t i=0; i<src->mPackageGroups.size(); i++) { 3134 PackageGroup* srcPg = src->mPackageGroups[i]; 3135 PackageGroup* pg = new PackageGroup(this, srcPg->name, srcPg->id); 3136 for (size_t j=0; j<srcPg->packages.size(); j++) { 3137 pg->packages.add(srcPg->packages[j]); 3138 } 3139 pg->basePackage = srcPg->basePackage; 3140 pg->typeCount = srcPg->typeCount; 3141 mPackageGroups.add(pg); 3142 } 3143 3144 memcpy(mPackageMap, src->mPackageMap, sizeof(mPackageMap)); 3145 3146 return mError; 3147} 3148 3149status_t ResTable::addInternal(const void* data, size_t size, const int32_t cookie, 3150 Asset* asset, bool copyData, const Asset* idmap) 3151{ 3152 if (!data) return NO_ERROR; 3153 Header* header = new Header(this); 3154 header->index = mHeaders.size(); 3155 header->cookie = cookie; 3156 if (idmap != NULL) { 3157 const size_t idmap_size = idmap->getLength(); 3158 const void* idmap_data = const_cast<Asset*>(idmap)->getBuffer(true); 3159 header->resourceIDMap = (uint32_t*)malloc(idmap_size); 3160 if (header->resourceIDMap == NULL) { 3161 delete header; 3162 return (mError = NO_MEMORY); 3163 } 3164 memcpy((void*)header->resourceIDMap, idmap_data, idmap_size); 3165 header->resourceIDMapSize = idmap_size; 3166 } 3167 mHeaders.add(header); 3168 3169 const bool notDeviceEndian = htods(0xf0) != 0xf0; 3170 3171 LOAD_TABLE_NOISY( 3172 ALOGV("Adding resources to ResTable: data=%p, size=0x%x, cookie=%d, asset=%p, copy=%d " 3173 "idmap=%p\n", data, size, cookie, asset, copyData, idmap)); 3174 3175 if (copyData || notDeviceEndian) { 3176 header->ownedData = malloc(size); 3177 if (header->ownedData == NULL) { 3178 return (mError=NO_MEMORY); 3179 } 3180 memcpy(header->ownedData, data, size); 3181 data = header->ownedData; 3182 } 3183 3184 header->header = (const ResTable_header*)data; 3185 header->size = dtohl(header->header->header.size); 3186 //ALOGI("Got size 0x%x, again size 0x%x, raw size 0x%x\n", header->size, 3187 // dtohl(header->header->header.size), header->header->header.size); 3188 LOAD_TABLE_NOISY(ALOGV("Loading ResTable @%p:\n", header->header)); 3189 LOAD_TABLE_NOISY(printHexData(2, header->header, header->size < 256 ? header->size : 256, 3190 16, 16, 0, false, printToLogFunc)); 3191 if (dtohs(header->header->header.headerSize) > header->size 3192 || header->size > size) { 3193 ALOGW("Bad resource table: header size 0x%x or total size 0x%x is larger than data size 0x%x\n", 3194 (int)dtohs(header->header->header.headerSize), 3195 (int)header->size, (int)size); 3196 return (mError=BAD_TYPE); 3197 } 3198 if (((dtohs(header->header->header.headerSize)|header->size)&0x3) != 0) { 3199 ALOGW("Bad resource table: header size 0x%x or total size 0x%x is not on an integer boundary\n", 3200 (int)dtohs(header->header->header.headerSize), 3201 (int)header->size); 3202 return (mError=BAD_TYPE); 3203 } 3204 header->dataEnd = ((const uint8_t*)header->header) + header->size; 3205 3206 // Iterate through all chunks. 3207 size_t curPackage = 0; 3208 3209 const ResChunk_header* chunk = 3210 (const ResChunk_header*)(((const uint8_t*)header->header) 3211 + dtohs(header->header->header.headerSize)); 3212 while (((const uint8_t*)chunk) <= (header->dataEnd-sizeof(ResChunk_header)) && 3213 ((const uint8_t*)chunk) <= (header->dataEnd-dtohl(chunk->size))) { 3214 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), header->dataEnd, "ResTable"); 3215 if (err != NO_ERROR) { 3216 return (mError=err); 3217 } 3218 TABLE_NOISY(ALOGV("Chunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 3219 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 3220 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 3221 const size_t csize = dtohl(chunk->size); 3222 const uint16_t ctype = dtohs(chunk->type); 3223 if (ctype == RES_STRING_POOL_TYPE) { 3224 if (header->values.getError() != NO_ERROR) { 3225 // Only use the first string chunk; ignore any others that 3226 // may appear. 3227 status_t err = header->values.setTo(chunk, csize); 3228 if (err != NO_ERROR) { 3229 return (mError=err); 3230 } 3231 } else { 3232 ALOGW("Multiple string chunks found in resource table."); 3233 } 3234 } else if (ctype == RES_TABLE_PACKAGE_TYPE) { 3235 if (curPackage >= dtohl(header->header->packageCount)) { 3236 ALOGW("More package chunks were found than the %d declared in the header.", 3237 dtohl(header->header->packageCount)); 3238 return (mError=BAD_TYPE); 3239 } 3240 uint32_t idmap_id = 0; 3241 if (idmap != NULL) { 3242 uint32_t tmp; 3243 if (getIdmapPackageId(header->resourceIDMap, 3244 header->resourceIDMapSize, 3245 &tmp) == NO_ERROR) { 3246 idmap_id = tmp; 3247 } 3248 } 3249 if (parsePackage((ResTable_package*)chunk, header, idmap_id) != NO_ERROR) { 3250 return mError; 3251 } 3252 curPackage++; 3253 } else { 3254 ALOGW("Unknown chunk type 0x%x in table at %p.\n", 3255 ctype, 3256 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header))); 3257 } 3258 chunk = (const ResChunk_header*) 3259 (((const uint8_t*)chunk) + csize); 3260 } 3261 3262 if (curPackage < dtohl(header->header->packageCount)) { 3263 ALOGW("Fewer package chunks (%d) were found than the %d declared in the header.", 3264 (int)curPackage, dtohl(header->header->packageCount)); 3265 return (mError=BAD_TYPE); 3266 } 3267 mError = header->values.getError(); 3268 if (mError != NO_ERROR) { 3269 ALOGW("No string values found in resource table!"); 3270 } 3271 3272 TABLE_NOISY(ALOGV("Returning from add with mError=%d\n", mError)); 3273 return mError; 3274} 3275 3276status_t ResTable::getError() const 3277{ 3278 return mError; 3279} 3280 3281void ResTable::uninit() 3282{ 3283 mError = NO_INIT; 3284 size_t N = mPackageGroups.size(); 3285 for (size_t i=0; i<N; i++) { 3286 PackageGroup* g = mPackageGroups[i]; 3287 delete g; 3288 } 3289 N = mHeaders.size(); 3290 for (size_t i=0; i<N; i++) { 3291 Header* header = mHeaders[i]; 3292 if (header->owner == this) { 3293 if (header->ownedData) { 3294 free(header->ownedData); 3295 } 3296 delete header; 3297 } 3298 } 3299 3300 mPackageGroups.clear(); 3301 mHeaders.clear(); 3302} 3303 3304bool ResTable::getResourceName(uint32_t resID, bool allowUtf8, resource_name* outName) const 3305{ 3306 if (mError != NO_ERROR) { 3307 return false; 3308 } 3309 3310 const ssize_t p = getResourcePackageIndex(resID); 3311 const int t = Res_GETTYPE(resID); 3312 const int e = Res_GETENTRY(resID); 3313 3314 if (p < 0) { 3315 if (Res_GETPACKAGE(resID)+1 == 0) { 3316 ALOGW("No package identifier when getting name for resource number 0x%08x", resID); 3317 } else { 3318 ALOGW("No known package when getting name for resource number 0x%08x", resID); 3319 } 3320 return false; 3321 } 3322 if (t < 0) { 3323 ALOGW("No type identifier when getting name for resource number 0x%08x", resID); 3324 return false; 3325 } 3326 3327 const PackageGroup* const grp = mPackageGroups[p]; 3328 if (grp == NULL) { 3329 ALOGW("Bad identifier when getting name for resource number 0x%08x", resID); 3330 return false; 3331 } 3332 if (grp->packages.size() > 0) { 3333 const Package* const package = grp->packages[0]; 3334 3335 const ResTable_type* type; 3336 const ResTable_entry* entry; 3337 ssize_t offset = getEntry(package, t, e, NULL, &type, &entry, NULL); 3338 if (offset <= 0) { 3339 return false; 3340 } 3341 3342 outName->package = grp->name.string(); 3343 outName->packageLen = grp->name.size(); 3344 if (allowUtf8) { 3345 outName->type8 = grp->basePackage->typeStrings.string8At(t, &outName->typeLen); 3346 outName->name8 = grp->basePackage->keyStrings.string8At( 3347 dtohl(entry->key.index), &outName->nameLen); 3348 } else { 3349 outName->type8 = NULL; 3350 outName->name8 = NULL; 3351 } 3352 if (outName->type8 == NULL) { 3353 outName->type = grp->basePackage->typeStrings.stringAt(t, &outName->typeLen); 3354 // If we have a bad index for some reason, we should abort. 3355 if (outName->type == NULL) { 3356 return false; 3357 } 3358 } 3359 if (outName->name8 == NULL) { 3360 outName->name = grp->basePackage->keyStrings.stringAt( 3361 dtohl(entry->key.index), &outName->nameLen); 3362 // If we have a bad index for some reason, we should abort. 3363 if (outName->name == NULL) { 3364 return false; 3365 } 3366 } 3367 3368 return true; 3369 } 3370 3371 return false; 3372} 3373 3374ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag, uint16_t density, 3375 uint32_t* outSpecFlags, ResTable_config* outConfig) const 3376{ 3377 if (mError != NO_ERROR) { 3378 return mError; 3379 } 3380 3381 const ssize_t p = getResourcePackageIndex(resID); 3382 const int t = Res_GETTYPE(resID); 3383 const int e = Res_GETENTRY(resID); 3384 3385 if (p < 0) { 3386 if (Res_GETPACKAGE(resID)+1 == 0) { 3387 ALOGW("No package identifier when getting value for resource number 0x%08x", resID); 3388 } else { 3389 ALOGW("No known package when getting value for resource number 0x%08x", resID); 3390 } 3391 return BAD_INDEX; 3392 } 3393 if (t < 0) { 3394 ALOGW("No type identifier when getting value for resource number 0x%08x", resID); 3395 return BAD_INDEX; 3396 } 3397 3398 const Res_value* bestValue = NULL; 3399 const Package* bestPackage = NULL; 3400 ResTable_config bestItem; 3401 memset(&bestItem, 0, sizeof(bestItem)); // make the compiler shut up 3402 3403 if (outSpecFlags != NULL) *outSpecFlags = 0; 3404 3405 // Look through all resource packages, starting with the most 3406 // recently added. 3407 const PackageGroup* const grp = mPackageGroups[p]; 3408 if (grp == NULL) { 3409 ALOGW("Bad identifier when getting value for resource number 0x%08x", resID); 3410 return BAD_INDEX; 3411 } 3412 3413 // Allow overriding density 3414 const ResTable_config* desiredConfig = &mParams; 3415 ResTable_config* overrideConfig = NULL; 3416 if (density > 0) { 3417 overrideConfig = (ResTable_config*) malloc(sizeof(ResTable_config)); 3418 if (overrideConfig == NULL) { 3419 ALOGE("Couldn't malloc ResTable_config for overrides: %s", strerror(errno)); 3420 return BAD_INDEX; 3421 } 3422 memcpy(overrideConfig, &mParams, sizeof(ResTable_config)); 3423 overrideConfig->density = density; 3424 desiredConfig = overrideConfig; 3425 } 3426 3427 ssize_t rc = BAD_VALUE; 3428 size_t ip = grp->packages.size(); 3429 while (ip > 0) { 3430 ip--; 3431 int T = t; 3432 int E = e; 3433 3434 const Package* const package = grp->packages[ip]; 3435 if (package->header->resourceIDMap) { 3436 uint32_t overlayResID = 0x0; 3437 status_t retval = idmapLookup(package->header->resourceIDMap, 3438 package->header->resourceIDMapSize, 3439 resID, &overlayResID); 3440 if (retval == NO_ERROR && overlayResID != 0x0) { 3441 // for this loop iteration, this is the type and entry we really want 3442 ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); 3443 T = Res_GETTYPE(overlayResID); 3444 E = Res_GETENTRY(overlayResID); 3445 } else { 3446 // resource not present in overlay package, continue with the next package 3447 continue; 3448 } 3449 } 3450 3451 const ResTable_type* type; 3452 const ResTable_entry* entry; 3453 const Type* typeClass; 3454 ssize_t offset = getEntry(package, T, E, desiredConfig, &type, &entry, &typeClass); 3455 if (offset <= 0) { 3456 // No {entry, appropriate config} pair found in package. If this 3457 // package is an overlay package (ip != 0), this simply means the 3458 // overlay package did not specify a default. 3459 // Non-overlay packages are still required to provide a default. 3460 if (offset < 0 && ip == 0) { 3461 ALOGW("Failure getting entry for 0x%08x (t=%d e=%d) in package %zd (error %d)\n", 3462 resID, T, E, ip, (int)offset); 3463 rc = offset; 3464 goto out; 3465 } 3466 continue; 3467 } 3468 3469 if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) != 0) { 3470 if (!mayBeBag) { 3471 ALOGW("Requesting resource 0x%x failed because it is complex\n", 3472 resID); 3473 } 3474 continue; 3475 } 3476 3477 TABLE_NOISY(aout << "Resource type data: " 3478 << HexDump(type, dtohl(type->header.size)) << endl); 3479 3480 if ((size_t)offset > (dtohl(type->header.size)-sizeof(Res_value))) { 3481 ALOGW("ResTable_item at %d is beyond type chunk data %d", 3482 (int)offset, dtohl(type->header.size)); 3483 rc = BAD_TYPE; 3484 goto out; 3485 } 3486 3487 const Res_value* item = 3488 (const Res_value*)(((const uint8_t*)type) + offset); 3489 ResTable_config thisConfig; 3490 thisConfig.copyFromDtoH(type->config); 3491 3492 if (outSpecFlags != NULL) { 3493 if (typeClass->typeSpecFlags != NULL) { 3494 *outSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); 3495 } else { 3496 *outSpecFlags = -1; 3497 } 3498 } 3499 3500 if (bestPackage != NULL && 3501 (bestItem.isMoreSpecificThan(thisConfig) || bestItem.diff(thisConfig) == 0)) { 3502 // Discard thisConfig not only if bestItem is more specific, but also if the two configs 3503 // are identical (diff == 0), or overlay packages will not take effect. 3504 continue; 3505 } 3506 3507 bestItem = thisConfig; 3508 bestValue = item; 3509 bestPackage = package; 3510 } 3511 3512 TABLE_NOISY(printf("Found result: package %p\n", bestPackage)); 3513 3514 if (bestValue) { 3515 outValue->size = dtohs(bestValue->size); 3516 outValue->res0 = bestValue->res0; 3517 outValue->dataType = bestValue->dataType; 3518 outValue->data = dtohl(bestValue->data); 3519 if (outConfig != NULL) { 3520 *outConfig = bestItem; 3521 } 3522 TABLE_NOISY(size_t len; 3523 printf("Found value: pkg=%d, type=%d, str=%s, int=%d\n", 3524 bestPackage->header->index, 3525 outValue->dataType, 3526 outValue->dataType == bestValue->TYPE_STRING 3527 ? String8(bestPackage->header->values.stringAt( 3528 outValue->data, &len)).string() 3529 : "", 3530 outValue->data)); 3531 rc = bestPackage->header->index; 3532 goto out; 3533 } 3534 3535out: 3536 if (overrideConfig != NULL) { 3537 free(overrideConfig); 3538 } 3539 3540 return rc; 3541} 3542 3543ssize_t ResTable::resolveReference(Res_value* value, ssize_t blockIndex, 3544 uint32_t* outLastRef, uint32_t* inoutTypeSpecFlags, 3545 ResTable_config* outConfig) const 3546{ 3547 int count=0; 3548 while (blockIndex >= 0 && value->dataType == value->TYPE_REFERENCE 3549 && value->data != 0 && count < 20) { 3550 if (outLastRef) *outLastRef = value->data; 3551 uint32_t lastRef = value->data; 3552 uint32_t newFlags = 0; 3553 const ssize_t newIndex = getResource(value->data, value, true, 0, &newFlags, 3554 outConfig); 3555 if (newIndex == BAD_INDEX) { 3556 return BAD_INDEX; 3557 } 3558 TABLE_THEME(ALOGI("Resolving reference %p: newIndex=%d, type=0x%x, data=%p\n", 3559 (void*)lastRef, (int)newIndex, (int)value->dataType, (void*)value->data)); 3560 //printf("Getting reference 0x%08x: newIndex=%d\n", value->data, newIndex); 3561 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newFlags; 3562 if (newIndex < 0) { 3563 // This can fail if the resource being referenced is a style... 3564 // in this case, just return the reference, and expect the 3565 // caller to deal with. 3566 return blockIndex; 3567 } 3568 blockIndex = newIndex; 3569 count++; 3570 } 3571 return blockIndex; 3572} 3573 3574const char16_t* ResTable::valueToString( 3575 const Res_value* value, size_t stringBlock, 3576 char16_t tmpBuffer[TMP_BUFFER_SIZE], size_t* outLen) 3577{ 3578 if (!value) { 3579 return NULL; 3580 } 3581 if (value->dataType == value->TYPE_STRING) { 3582 return getTableStringBlock(stringBlock)->stringAt(value->data, outLen); 3583 } 3584 // XXX do int to string conversions. 3585 return NULL; 3586} 3587 3588ssize_t ResTable::lockBag(uint32_t resID, const bag_entry** outBag) const 3589{ 3590 mLock.lock(); 3591 ssize_t err = getBagLocked(resID, outBag); 3592 if (err < NO_ERROR) { 3593 //printf("*** get failed! unlocking\n"); 3594 mLock.unlock(); 3595 } 3596 return err; 3597} 3598 3599void ResTable::unlockBag(const bag_entry* bag) const 3600{ 3601 //printf("<<< unlockBag %p\n", this); 3602 mLock.unlock(); 3603} 3604 3605void ResTable::lock() const 3606{ 3607 mLock.lock(); 3608} 3609 3610void ResTable::unlock() const 3611{ 3612 mLock.unlock(); 3613} 3614 3615ssize_t ResTable::getBagLocked(uint32_t resID, const bag_entry** outBag, 3616 uint32_t* outTypeSpecFlags) const 3617{ 3618 if (mError != NO_ERROR) { 3619 return mError; 3620 } 3621 3622 const ssize_t p = getResourcePackageIndex(resID); 3623 const int t = Res_GETTYPE(resID); 3624 const int e = Res_GETENTRY(resID); 3625 3626 if (p < 0) { 3627 ALOGW("Invalid package identifier when getting bag for resource number 0x%08x", resID); 3628 return BAD_INDEX; 3629 } 3630 if (t < 0) { 3631 ALOGW("No type identifier when getting bag for resource number 0x%08x", resID); 3632 return BAD_INDEX; 3633 } 3634 3635 //printf("Get bag: id=0x%08x, p=%d, t=%d\n", resID, p, t); 3636 PackageGroup* const grp = mPackageGroups[p]; 3637 if (grp == NULL) { 3638 ALOGW("Bad identifier when getting bag for resource number 0x%08x", resID); 3639 return false; 3640 } 3641 3642 if (t >= (int)grp->typeCount) { 3643 ALOGW("Type identifier 0x%x is larger than type count 0x%x", 3644 t+1, (int)grp->typeCount); 3645 return BAD_INDEX; 3646 } 3647 3648 const Package* const basePackage = grp->packages[0]; 3649 3650 const Type* const typeConfigs = basePackage->getType(t); 3651 3652 const size_t NENTRY = typeConfigs->entryCount; 3653 if (e >= (int)NENTRY) { 3654 ALOGW("Entry identifier 0x%x is larger than entry count 0x%x", 3655 e, (int)typeConfigs->entryCount); 3656 return BAD_INDEX; 3657 } 3658 3659 // First see if we've already computed this bag... 3660 if (grp->bags) { 3661 bag_set** typeSet = grp->bags[t]; 3662 if (typeSet) { 3663 bag_set* set = typeSet[e]; 3664 if (set) { 3665 if (set != (bag_set*)0xFFFFFFFF) { 3666 if (outTypeSpecFlags != NULL) { 3667 *outTypeSpecFlags = set->typeSpecFlags; 3668 } 3669 *outBag = (bag_entry*)(set+1); 3670 //ALOGI("Found existing bag for: %p\n", (void*)resID); 3671 return set->numAttrs; 3672 } 3673 ALOGW("Attempt to retrieve bag 0x%08x which is invalid or in a cycle.", 3674 resID); 3675 return BAD_INDEX; 3676 } 3677 } 3678 } 3679 3680 // Bag not found, we need to compute it! 3681 if (!grp->bags) { 3682 grp->bags = (bag_set***)calloc(grp->typeCount, sizeof(bag_set*)); 3683 if (!grp->bags) return NO_MEMORY; 3684 } 3685 3686 bag_set** typeSet = grp->bags[t]; 3687 if (!typeSet) { 3688 typeSet = (bag_set**)calloc(NENTRY, sizeof(bag_set*)); 3689 if (!typeSet) return NO_MEMORY; 3690 grp->bags[t] = typeSet; 3691 } 3692 3693 // Mark that we are currently working on this one. 3694 typeSet[e] = (bag_set*)0xFFFFFFFF; 3695 3696 // This is what we are building. 3697 bag_set* set = NULL; 3698 3699 TABLE_NOISY(ALOGI("Building bag: %p\n", (void*)resID)); 3700 3701 ResTable_config bestConfig; 3702 memset(&bestConfig, 0, sizeof(bestConfig)); 3703 3704 // Now collect all bag attributes from all packages. 3705 size_t ip = grp->packages.size(); 3706 while (ip > 0) { 3707 ip--; 3708 int T = t; 3709 int E = e; 3710 3711 const Package* const package = grp->packages[ip]; 3712 if (package->header->resourceIDMap) { 3713 uint32_t overlayResID = 0x0; 3714 status_t retval = idmapLookup(package->header->resourceIDMap, 3715 package->header->resourceIDMapSize, 3716 resID, &overlayResID); 3717 if (retval == NO_ERROR && overlayResID != 0x0) { 3718 // for this loop iteration, this is the type and entry we really want 3719 ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); 3720 T = Res_GETTYPE(overlayResID); 3721 E = Res_GETENTRY(overlayResID); 3722 } else { 3723 // resource not present in overlay package, continue with the next package 3724 continue; 3725 } 3726 } 3727 3728 const ResTable_type* type; 3729 const ResTable_entry* entry; 3730 const Type* typeClass; 3731 ALOGV("Getting entry pkg=%p, t=%d, e=%d\n", package, T, E); 3732 ssize_t offset = getEntry(package, T, E, &mParams, &type, &entry, &typeClass); 3733 ALOGV("Resulting offset=%d\n", offset); 3734 if (offset <= 0) { 3735 // No {entry, appropriate config} pair found in package. If this 3736 // package is an overlay package (ip != 0), this simply means the 3737 // overlay package did not specify a default. 3738 // Non-overlay packages are still required to provide a default. 3739 if (offset < 0 && ip == 0) { 3740 if (set) free(set); 3741 return offset; 3742 } 3743 continue; 3744 } 3745 3746 if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) == 0) { 3747 ALOGW("Skipping entry 0x%x in package table %zu because it is not complex!\n", 3748 resID, ip); 3749 continue; 3750 } 3751 3752 if (set != NULL && !type->config.isBetterThan(bestConfig, NULL)) { 3753 continue; 3754 } 3755 bestConfig = type->config; 3756 if (set) { 3757 free(set); 3758 set = NULL; 3759 } 3760 3761 const uint16_t entrySize = dtohs(entry->size); 3762 const uint32_t parent = entrySize >= sizeof(ResTable_map_entry) 3763 ? dtohl(((const ResTable_map_entry*)entry)->parent.ident) : 0; 3764 const uint32_t count = entrySize >= sizeof(ResTable_map_entry) 3765 ? dtohl(((const ResTable_map_entry*)entry)->count) : 0; 3766 3767 size_t N = count; 3768 3769 TABLE_NOISY(ALOGI("Found map: size=%p parent=%p count=%d\n", 3770 entrySize, parent, count)); 3771 3772 // If this map inherits from another, we need to start 3773 // with its parent's values. Otherwise start out empty. 3774 TABLE_NOISY(printf("Creating new bag, entrySize=0x%08x, parent=0x%08x\n", 3775 entrySize, parent)); 3776 if (parent) { 3777 const bag_entry* parentBag; 3778 uint32_t parentTypeSpecFlags = 0; 3779 const ssize_t NP = getBagLocked(parent, &parentBag, &parentTypeSpecFlags); 3780 const size_t NT = ((NP >= 0) ? NP : 0) + N; 3781 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*NT); 3782 if (set == NULL) { 3783 return NO_MEMORY; 3784 } 3785 if (NP > 0) { 3786 memcpy(set+1, parentBag, NP*sizeof(bag_entry)); 3787 set->numAttrs = NP; 3788 TABLE_NOISY(ALOGI("Initialized new bag with %d inherited attributes.\n", NP)); 3789 } else { 3790 TABLE_NOISY(ALOGI("Initialized new bag with no inherited attributes.\n")); 3791 set->numAttrs = 0; 3792 } 3793 set->availAttrs = NT; 3794 set->typeSpecFlags = parentTypeSpecFlags; 3795 } else { 3796 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*N); 3797 if (set == NULL) { 3798 return NO_MEMORY; 3799 } 3800 set->numAttrs = 0; 3801 set->availAttrs = N; 3802 set->typeSpecFlags = 0; 3803 } 3804 3805 if (typeClass->typeSpecFlags != NULL) { 3806 set->typeSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); 3807 } else { 3808 set->typeSpecFlags = -1; 3809 } 3810 3811 // Now merge in the new attributes... 3812 ssize_t curOff = offset; 3813 const ResTable_map* map; 3814 bag_entry* entries = (bag_entry*)(set+1); 3815 size_t curEntry = 0; 3816 uint32_t pos = 0; 3817 TABLE_NOISY(ALOGI("Starting with set %p, entries=%p, avail=%d\n", 3818 set, entries, set->availAttrs)); 3819 while (pos < count) { 3820 TABLE_NOISY(printf("Now at %p\n", (void*)curOff)); 3821 3822 if ((size_t)curOff > (dtohl(type->header.size)-sizeof(ResTable_map))) { 3823 ALOGW("ResTable_map at %d is beyond type chunk data %d", 3824 (int)curOff, dtohl(type->header.size)); 3825 return BAD_TYPE; 3826 } 3827 map = (const ResTable_map*)(((const uint8_t*)type) + curOff); 3828 N++; 3829 3830 const uint32_t newName = htodl(map->name.ident); 3831 bool isInside; 3832 uint32_t oldName = 0; 3833 while ((isInside=(curEntry < set->numAttrs)) 3834 && (oldName=entries[curEntry].map.name.ident) < newName) { 3835 TABLE_NOISY(printf("#%d: Keeping existing attribute: 0x%08x\n", 3836 curEntry, entries[curEntry].map.name.ident)); 3837 curEntry++; 3838 } 3839 3840 if ((!isInside) || oldName != newName) { 3841 // This is a new attribute... figure out what to do with it. 3842 if (set->numAttrs >= set->availAttrs) { 3843 // Need to alloc more memory... 3844 const size_t newAvail = set->availAttrs+N; 3845 set = (bag_set*)realloc(set, 3846 sizeof(bag_set) 3847 + sizeof(bag_entry)*newAvail); 3848 if (set == NULL) { 3849 return NO_MEMORY; 3850 } 3851 set->availAttrs = newAvail; 3852 entries = (bag_entry*)(set+1); 3853 TABLE_NOISY(printf("Reallocated set %p, entries=%p, avail=%d\n", 3854 set, entries, set->availAttrs)); 3855 } 3856 if (isInside) { 3857 // Going in the middle, need to make space. 3858 memmove(entries+curEntry+1, entries+curEntry, 3859 sizeof(bag_entry)*(set->numAttrs-curEntry)); 3860 set->numAttrs++; 3861 } 3862 TABLE_NOISY(printf("#%d: Inserting new attribute: 0x%08x\n", 3863 curEntry, newName)); 3864 } else { 3865 TABLE_NOISY(printf("#%d: Replacing existing attribute: 0x%08x\n", 3866 curEntry, oldName)); 3867 } 3868 3869 bag_entry* cur = entries+curEntry; 3870 3871 cur->stringBlock = package->header->index; 3872 cur->map.name.ident = newName; 3873 cur->map.value.copyFrom_dtoh(map->value); 3874 TABLE_NOISY(printf("Setting entry #%d %p: block=%d, name=0x%08x, type=%d, data=0x%08x\n", 3875 curEntry, cur, cur->stringBlock, cur->map.name.ident, 3876 cur->map.value.dataType, cur->map.value.data)); 3877 3878 // On to the next! 3879 curEntry++; 3880 pos++; 3881 const size_t size = dtohs(map->value.size); 3882 curOff += size + sizeof(*map)-sizeof(map->value); 3883 }; 3884 if (curEntry > set->numAttrs) { 3885 set->numAttrs = curEntry; 3886 } 3887 } 3888 3889 // And this is it... 3890 typeSet[e] = set; 3891 if (set) { 3892 if (outTypeSpecFlags != NULL) { 3893 *outTypeSpecFlags = set->typeSpecFlags; 3894 } 3895 *outBag = (bag_entry*)(set+1); 3896 TABLE_NOISY(ALOGI("Returning %d attrs\n", set->numAttrs)); 3897 return set->numAttrs; 3898 } 3899 return BAD_INDEX; 3900} 3901 3902void ResTable::setParameters(const ResTable_config* params) 3903{ 3904 mLock.lock(); 3905 TABLE_GETENTRY(ALOGI("Setting parameters: %s\n", params->toString().string())); 3906 mParams = *params; 3907 for (size_t i=0; i<mPackageGroups.size(); i++) { 3908 TABLE_NOISY(ALOGI("CLEARING BAGS FOR GROUP %d!", i)); 3909 mPackageGroups[i]->clearBagCache(); 3910 } 3911 mLock.unlock(); 3912} 3913 3914void ResTable::getParameters(ResTable_config* params) const 3915{ 3916 mLock.lock(); 3917 *params = mParams; 3918 mLock.unlock(); 3919} 3920 3921struct id_name_map { 3922 uint32_t id; 3923 size_t len; 3924 char16_t name[6]; 3925}; 3926 3927const static id_name_map ID_NAMES[] = { 3928 { ResTable_map::ATTR_TYPE, 5, { '^', 't', 'y', 'p', 'e' } }, 3929 { ResTable_map::ATTR_L10N, 5, { '^', 'l', '1', '0', 'n' } }, 3930 { ResTable_map::ATTR_MIN, 4, { '^', 'm', 'i', 'n' } }, 3931 { ResTable_map::ATTR_MAX, 4, { '^', 'm', 'a', 'x' } }, 3932 { ResTable_map::ATTR_OTHER, 6, { '^', 'o', 't', 'h', 'e', 'r' } }, 3933 { ResTable_map::ATTR_ZERO, 5, { '^', 'z', 'e', 'r', 'o' } }, 3934 { ResTable_map::ATTR_ONE, 4, { '^', 'o', 'n', 'e' } }, 3935 { ResTable_map::ATTR_TWO, 4, { '^', 't', 'w', 'o' } }, 3936 { ResTable_map::ATTR_FEW, 4, { '^', 'f', 'e', 'w' } }, 3937 { ResTable_map::ATTR_MANY, 5, { '^', 'm', 'a', 'n', 'y' } }, 3938}; 3939 3940uint32_t ResTable::identifierForName(const char16_t* name, size_t nameLen, 3941 const char16_t* type, size_t typeLen, 3942 const char16_t* package, 3943 size_t packageLen, 3944 uint32_t* outTypeSpecFlags) const 3945{ 3946 TABLE_SUPER_NOISY(printf("Identifier for name: error=%d\n", mError)); 3947 3948 // Check for internal resource identifier as the very first thing, so 3949 // that we will always find them even when there are no resources. 3950 if (name[0] == '^') { 3951 const int N = (sizeof(ID_NAMES)/sizeof(ID_NAMES[0])); 3952 size_t len; 3953 for (int i=0; i<N; i++) { 3954 const id_name_map* m = ID_NAMES + i; 3955 len = m->len; 3956 if (len != nameLen) { 3957 continue; 3958 } 3959 for (size_t j=1; j<len; j++) { 3960 if (m->name[j] != name[j]) { 3961 goto nope; 3962 } 3963 } 3964 if (outTypeSpecFlags) { 3965 *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; 3966 } 3967 return m->id; 3968nope: 3969 ; 3970 } 3971 if (nameLen > 7) { 3972 if (name[1] == 'i' && name[2] == 'n' 3973 && name[3] == 'd' && name[4] == 'e' && name[5] == 'x' 3974 && name[6] == '_') { 3975 int index = atoi(String8(name + 7, nameLen - 7).string()); 3976 if (Res_CHECKID(index)) { 3977 ALOGW("Array resource index: %d is too large.", 3978 index); 3979 return 0; 3980 } 3981 if (outTypeSpecFlags) { 3982 *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; 3983 } 3984 return Res_MAKEARRAY(index); 3985 } 3986 } 3987 return 0; 3988 } 3989 3990 if (mError != NO_ERROR) { 3991 return 0; 3992 } 3993 3994 bool fakePublic = false; 3995 3996 // Figure out the package and type we are looking in... 3997 3998 const char16_t* packageEnd = NULL; 3999 const char16_t* typeEnd = NULL; 4000 const char16_t* const nameEnd = name+nameLen; 4001 const char16_t* p = name; 4002 while (p < nameEnd) { 4003 if (*p == ':') packageEnd = p; 4004 else if (*p == '/') typeEnd = p; 4005 p++; 4006 } 4007 if (*name == '@') { 4008 name++; 4009 if (*name == '*') { 4010 fakePublic = true; 4011 name++; 4012 } 4013 } 4014 if (name >= nameEnd) { 4015 return 0; 4016 } 4017 4018 if (packageEnd) { 4019 package = name; 4020 packageLen = packageEnd-name; 4021 name = packageEnd+1; 4022 } else if (!package) { 4023 return 0; 4024 } 4025 4026 if (typeEnd) { 4027 type = name; 4028 typeLen = typeEnd-name; 4029 name = typeEnd+1; 4030 } else if (!type) { 4031 return 0; 4032 } 4033 4034 if (name >= nameEnd) { 4035 return 0; 4036 } 4037 nameLen = nameEnd-name; 4038 4039 TABLE_NOISY(printf("Looking for identifier: type=%s, name=%s, package=%s\n", 4040 String8(type, typeLen).string(), 4041 String8(name, nameLen).string(), 4042 String8(package, packageLen).string())); 4043 4044 const size_t NG = mPackageGroups.size(); 4045 for (size_t ig=0; ig<NG; ig++) { 4046 const PackageGroup* group = mPackageGroups[ig]; 4047 4048 if (strzcmp16(package, packageLen, 4049 group->name.string(), group->name.size())) { 4050 TABLE_NOISY(printf("Skipping package group: %s\n", String8(group->name).string())); 4051 continue; 4052 } 4053 4054 const ssize_t ti = group->basePackage->typeStrings.indexOfString(type, typeLen); 4055 if (ti < 0) { 4056 TABLE_NOISY(printf("Type not found in package %s\n", String8(group->name).string())); 4057 continue; 4058 } 4059 4060 const ssize_t ei = group->basePackage->keyStrings.indexOfString(name, nameLen); 4061 if (ei < 0) { 4062 TABLE_NOISY(printf("Name not found in package %s\n", String8(group->name).string())); 4063 continue; 4064 } 4065 4066 TABLE_NOISY(printf("Search indices: type=%d, name=%d\n", ti, ei)); 4067 4068 const Type* const typeConfigs = group->packages[0]->getType(ti); 4069 if (typeConfigs == NULL || typeConfigs->configs.size() <= 0) { 4070 TABLE_NOISY(printf("Expected type structure not found in package %s for idnex %d\n", 4071 String8(group->name).string(), ti)); 4072 } 4073 4074 size_t NTC = typeConfigs->configs.size(); 4075 for (size_t tci=0; tci<NTC; tci++) { 4076 const ResTable_type* const ty = typeConfigs->configs[tci]; 4077 const uint32_t typeOffset = dtohl(ty->entriesStart); 4078 4079 const uint8_t* const end = ((const uint8_t*)ty) + dtohl(ty->header.size); 4080 const uint32_t* const eindex = (const uint32_t*) 4081 (((const uint8_t*)ty) + dtohs(ty->header.headerSize)); 4082 4083 const size_t NE = dtohl(ty->entryCount); 4084 for (size_t i=0; i<NE; i++) { 4085 uint32_t offset = dtohl(eindex[i]); 4086 if (offset == ResTable_type::NO_ENTRY) { 4087 continue; 4088 } 4089 4090 offset += typeOffset; 4091 4092 if (offset > (dtohl(ty->header.size)-sizeof(ResTable_entry))) { 4093 ALOGW("ResTable_entry at %d is beyond type chunk data %d", 4094 offset, dtohl(ty->header.size)); 4095 return 0; 4096 } 4097 if ((offset&0x3) != 0) { 4098 ALOGW("ResTable_entry at %d (pkg=%d type=%d ent=%d) is not on an integer boundary when looking for %s:%s/%s", 4099 (int)offset, (int)group->id, (int)ti+1, (int)i, 4100 String8(package, packageLen).string(), 4101 String8(type, typeLen).string(), 4102 String8(name, nameLen).string()); 4103 return 0; 4104 } 4105 4106 const ResTable_entry* const entry = (const ResTable_entry*) 4107 (((const uint8_t*)ty) + offset); 4108 if (dtohs(entry->size) < sizeof(*entry)) { 4109 ALOGW("ResTable_entry size %d is too small", dtohs(entry->size)); 4110 return BAD_TYPE; 4111 } 4112 4113 TABLE_SUPER_NOISY(printf("Looking at entry #%d: want str %d, have %d\n", 4114 i, ei, dtohl(entry->key.index))); 4115 if (dtohl(entry->key.index) == (size_t)ei) { 4116 if (outTypeSpecFlags) { 4117 *outTypeSpecFlags = typeConfigs->typeSpecFlags[i]; 4118 if (fakePublic) { 4119 *outTypeSpecFlags |= ResTable_typeSpec::SPEC_PUBLIC; 4120 } 4121 } 4122 return Res_MAKEID(group->id-1, ti, i); 4123 } 4124 } 4125 } 4126 } 4127 4128 return 0; 4129} 4130 4131bool ResTable::expandResourceRef(const uint16_t* refStr, size_t refLen, 4132 String16* outPackage, 4133 String16* outType, 4134 String16* outName, 4135 const String16* defType, 4136 const String16* defPackage, 4137 const char** outErrorMsg, 4138 bool* outPublicOnly) 4139{ 4140 const char16_t* packageEnd = NULL; 4141 const char16_t* typeEnd = NULL; 4142 const char16_t* p = refStr; 4143 const char16_t* const end = p + refLen; 4144 while (p < end) { 4145 if (*p == ':') packageEnd = p; 4146 else if (*p == '/') { 4147 typeEnd = p; 4148 break; 4149 } 4150 p++; 4151 } 4152 p = refStr; 4153 if (*p == '@') p++; 4154 4155 if (outPublicOnly != NULL) { 4156 *outPublicOnly = true; 4157 } 4158 if (*p == '*') { 4159 p++; 4160 if (outPublicOnly != NULL) { 4161 *outPublicOnly = false; 4162 } 4163 } 4164 4165 if (packageEnd) { 4166 *outPackage = String16(p, packageEnd-p); 4167 p = packageEnd+1; 4168 } else { 4169 if (!defPackage) { 4170 if (outErrorMsg) { 4171 *outErrorMsg = "No resource package specified"; 4172 } 4173 return false; 4174 } 4175 *outPackage = *defPackage; 4176 } 4177 if (typeEnd) { 4178 *outType = String16(p, typeEnd-p); 4179 p = typeEnd+1; 4180 } else { 4181 if (!defType) { 4182 if (outErrorMsg) { 4183 *outErrorMsg = "No resource type specified"; 4184 } 4185 return false; 4186 } 4187 *outType = *defType; 4188 } 4189 *outName = String16(p, end-p); 4190 if(**outPackage == 0) { 4191 if(outErrorMsg) { 4192 *outErrorMsg = "Resource package cannot be an empty string"; 4193 } 4194 return false; 4195 } 4196 if(**outType == 0) { 4197 if(outErrorMsg) { 4198 *outErrorMsg = "Resource type cannot be an empty string"; 4199 } 4200 return false; 4201 } 4202 if(**outName == 0) { 4203 if(outErrorMsg) { 4204 *outErrorMsg = "Resource id cannot be an empty string"; 4205 } 4206 return false; 4207 } 4208 return true; 4209} 4210 4211static uint32_t get_hex(char c, bool* outError) 4212{ 4213 if (c >= '0' && c <= '9') { 4214 return c - '0'; 4215 } else if (c >= 'a' && c <= 'f') { 4216 return c - 'a' + 0xa; 4217 } else if (c >= 'A' && c <= 'F') { 4218 return c - 'A' + 0xa; 4219 } 4220 *outError = true; 4221 return 0; 4222} 4223 4224struct unit_entry 4225{ 4226 const char* name; 4227 size_t len; 4228 uint8_t type; 4229 uint32_t unit; 4230 float scale; 4231}; 4232 4233static const unit_entry unitNames[] = { 4234 { "px", strlen("px"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PX, 1.0f }, 4235 { "dip", strlen("dip"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 4236 { "dp", strlen("dp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 4237 { "sp", strlen("sp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_SP, 1.0f }, 4238 { "pt", strlen("pt"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PT, 1.0f }, 4239 { "in", strlen("in"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_IN, 1.0f }, 4240 { "mm", strlen("mm"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_MM, 1.0f }, 4241 { "%", strlen("%"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION, 1.0f/100 }, 4242 { "%p", strlen("%p"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION_PARENT, 1.0f/100 }, 4243 { NULL, 0, 0, 0, 0 } 4244}; 4245 4246static bool parse_unit(const char* str, Res_value* outValue, 4247 float* outScale, const char** outEnd) 4248{ 4249 const char* end = str; 4250 while (*end != 0 && !isspace((unsigned char)*end)) { 4251 end++; 4252 } 4253 const size_t len = end-str; 4254 4255 const char* realEnd = end; 4256 while (*realEnd != 0 && isspace((unsigned char)*realEnd)) { 4257 realEnd++; 4258 } 4259 if (*realEnd != 0) { 4260 return false; 4261 } 4262 4263 const unit_entry* cur = unitNames; 4264 while (cur->name) { 4265 if (len == cur->len && strncmp(cur->name, str, len) == 0) { 4266 outValue->dataType = cur->type; 4267 outValue->data = cur->unit << Res_value::COMPLEX_UNIT_SHIFT; 4268 *outScale = cur->scale; 4269 *outEnd = end; 4270 //printf("Found unit %s for %s\n", cur->name, str); 4271 return true; 4272 } 4273 cur++; 4274 } 4275 4276 return false; 4277} 4278 4279 4280bool ResTable::stringToInt(const char16_t* s, size_t len, Res_value* outValue) 4281{ 4282 while (len > 0 && isspace16(*s)) { 4283 s++; 4284 len--; 4285 } 4286 4287 if (len <= 0) { 4288 return false; 4289 } 4290 4291 size_t i = 0; 4292 int32_t val = 0; 4293 bool neg = false; 4294 4295 if (*s == '-') { 4296 neg = true; 4297 i++; 4298 } 4299 4300 if (s[i] < '0' || s[i] > '9') { 4301 return false; 4302 } 4303 4304 // Decimal or hex? 4305 if (s[i] == '0' && s[i+1] == 'x') { 4306 if (outValue) 4307 outValue->dataType = outValue->TYPE_INT_HEX; 4308 i += 2; 4309 bool error = false; 4310 while (i < len && !error) { 4311 val = (val*16) + get_hex(s[i], &error); 4312 i++; 4313 } 4314 if (error) { 4315 return false; 4316 } 4317 } else { 4318 if (outValue) 4319 outValue->dataType = outValue->TYPE_INT_DEC; 4320 while (i < len) { 4321 if (s[i] < '0' || s[i] > '9') { 4322 return false; 4323 } 4324 val = (val*10) + s[i]-'0'; 4325 i++; 4326 } 4327 } 4328 4329 if (neg) val = -val; 4330 4331 while (i < len && isspace16(s[i])) { 4332 i++; 4333 } 4334 4335 if (i == len) { 4336 if (outValue) 4337 outValue->data = val; 4338 return true; 4339 } 4340 4341 return false; 4342} 4343 4344bool ResTable::stringToFloat(const char16_t* s, size_t len, Res_value* outValue) 4345{ 4346 while (len > 0 && isspace16(*s)) { 4347 s++; 4348 len--; 4349 } 4350 4351 if (len <= 0) { 4352 return false; 4353 } 4354 4355 char buf[128]; 4356 int i=0; 4357 while (len > 0 && *s != 0 && i < 126) { 4358 if (*s > 255) { 4359 return false; 4360 } 4361 buf[i++] = *s++; 4362 len--; 4363 } 4364 4365 if (len > 0) { 4366 return false; 4367 } 4368 if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') { 4369 return false; 4370 } 4371 4372 buf[i] = 0; 4373 const char* end; 4374 float f = strtof(buf, (char**)&end); 4375 4376 if (*end != 0 && !isspace((unsigned char)*end)) { 4377 // Might be a unit... 4378 float scale; 4379 if (parse_unit(end, outValue, &scale, &end)) { 4380 f *= scale; 4381 const bool neg = f < 0; 4382 if (neg) f = -f; 4383 uint64_t bits = (uint64_t)(f*(1<<23)+.5f); 4384 uint32_t radix; 4385 uint32_t shift; 4386 if ((bits&0x7fffff) == 0) { 4387 // Always use 23p0 if there is no fraction, just to make 4388 // things easier to read. 4389 radix = Res_value::COMPLEX_RADIX_23p0; 4390 shift = 23; 4391 } else if ((bits&0xffffffffff800000LL) == 0) { 4392 // Magnitude is zero -- can fit in 0 bits of precision. 4393 radix = Res_value::COMPLEX_RADIX_0p23; 4394 shift = 0; 4395 } else if ((bits&0xffffffff80000000LL) == 0) { 4396 // Magnitude can fit in 8 bits of precision. 4397 radix = Res_value::COMPLEX_RADIX_8p15; 4398 shift = 8; 4399 } else if ((bits&0xffffff8000000000LL) == 0) { 4400 // Magnitude can fit in 16 bits of precision. 4401 radix = Res_value::COMPLEX_RADIX_16p7; 4402 shift = 16; 4403 } else { 4404 // Magnitude needs entire range, so no fractional part. 4405 radix = Res_value::COMPLEX_RADIX_23p0; 4406 shift = 23; 4407 } 4408 int32_t mantissa = (int32_t)( 4409 (bits>>shift) & Res_value::COMPLEX_MANTISSA_MASK); 4410 if (neg) { 4411 mantissa = (-mantissa) & Res_value::COMPLEX_MANTISSA_MASK; 4412 } 4413 outValue->data |= 4414 (radix<<Res_value::COMPLEX_RADIX_SHIFT) 4415 | (mantissa<<Res_value::COMPLEX_MANTISSA_SHIFT); 4416 //printf("Input value: %f 0x%016Lx, mult: %f, radix: %d, shift: %d, final: 0x%08x\n", 4417 // f * (neg ? -1 : 1), bits, f*(1<<23), 4418 // radix, shift, outValue->data); 4419 return true; 4420 } 4421 return false; 4422 } 4423 4424 while (*end != 0 && isspace((unsigned char)*end)) { 4425 end++; 4426 } 4427 4428 if (*end == 0) { 4429 if (outValue) { 4430 outValue->dataType = outValue->TYPE_FLOAT; 4431 *(float*)(&outValue->data) = f; 4432 return true; 4433 } 4434 } 4435 4436 return false; 4437} 4438 4439bool ResTable::stringToValue(Res_value* outValue, String16* outString, 4440 const char16_t* s, size_t len, 4441 bool preserveSpaces, bool coerceType, 4442 uint32_t attrID, 4443 const String16* defType, 4444 const String16* defPackage, 4445 Accessor* accessor, 4446 void* accessorCookie, 4447 uint32_t attrType, 4448 bool enforcePrivate) const 4449{ 4450 bool localizationSetting = accessor != NULL && accessor->getLocalizationSetting(); 4451 const char* errorMsg = NULL; 4452 4453 outValue->size = sizeof(Res_value); 4454 outValue->res0 = 0; 4455 4456 // First strip leading/trailing whitespace. Do this before handling 4457 // escapes, so they can be used to force whitespace into the string. 4458 if (!preserveSpaces) { 4459 while (len > 0 && isspace16(*s)) { 4460 s++; 4461 len--; 4462 } 4463 while (len > 0 && isspace16(s[len-1])) { 4464 len--; 4465 } 4466 // If the string ends with '\', then we keep the space after it. 4467 if (len > 0 && s[len-1] == '\\' && s[len] != 0) { 4468 len++; 4469 } 4470 } 4471 4472 //printf("Value for: %s\n", String8(s, len).string()); 4473 4474 uint32_t l10nReq = ResTable_map::L10N_NOT_REQUIRED; 4475 uint32_t attrMin = 0x80000000, attrMax = 0x7fffffff; 4476 bool fromAccessor = false; 4477 if (attrID != 0 && !Res_INTERNALID(attrID)) { 4478 const ssize_t p = getResourcePackageIndex(attrID); 4479 const bag_entry* bag; 4480 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4481 //printf("For attr 0x%08x got bag of %d\n", attrID, cnt); 4482 if (cnt >= 0) { 4483 while (cnt > 0) { 4484 //printf("Entry 0x%08x = 0x%08x\n", bag->map.name.ident, bag->map.value.data); 4485 switch (bag->map.name.ident) { 4486 case ResTable_map::ATTR_TYPE: 4487 attrType = bag->map.value.data; 4488 break; 4489 case ResTable_map::ATTR_MIN: 4490 attrMin = bag->map.value.data; 4491 break; 4492 case ResTable_map::ATTR_MAX: 4493 attrMax = bag->map.value.data; 4494 break; 4495 case ResTable_map::ATTR_L10N: 4496 l10nReq = bag->map.value.data; 4497 break; 4498 } 4499 bag++; 4500 cnt--; 4501 } 4502 unlockBag(bag); 4503 } else if (accessor && accessor->getAttributeType(attrID, &attrType)) { 4504 fromAccessor = true; 4505 if (attrType == ResTable_map::TYPE_ENUM 4506 || attrType == ResTable_map::TYPE_FLAGS 4507 || attrType == ResTable_map::TYPE_INTEGER) { 4508 accessor->getAttributeMin(attrID, &attrMin); 4509 accessor->getAttributeMax(attrID, &attrMax); 4510 } 4511 if (localizationSetting) { 4512 l10nReq = accessor->getAttributeL10N(attrID); 4513 } 4514 } 4515 } 4516 4517 const bool canStringCoerce = 4518 coerceType && (attrType&ResTable_map::TYPE_STRING) != 0; 4519 4520 if (*s == '@') { 4521 outValue->dataType = outValue->TYPE_REFERENCE; 4522 4523 // Note: we don't check attrType here because the reference can 4524 // be to any other type; we just need to count on the client making 4525 // sure the referenced type is correct. 4526 4527 //printf("Looking up ref: %s\n", String8(s, len).string()); 4528 4529 // It's a reference! 4530 if (len == 5 && s[1]=='n' && s[2]=='u' && s[3]=='l' && s[4]=='l') { 4531 outValue->data = 0; 4532 return true; 4533 } else { 4534 bool createIfNotFound = false; 4535 const char16_t* resourceRefName; 4536 int resourceNameLen; 4537 if (len > 2 && s[1] == '+') { 4538 createIfNotFound = true; 4539 resourceRefName = s + 2; 4540 resourceNameLen = len - 2; 4541 } else if (len > 2 && s[1] == '*') { 4542 enforcePrivate = false; 4543 resourceRefName = s + 2; 4544 resourceNameLen = len - 2; 4545 } else { 4546 createIfNotFound = false; 4547 resourceRefName = s + 1; 4548 resourceNameLen = len - 1; 4549 } 4550 String16 package, type, name; 4551 if (!expandResourceRef(resourceRefName,resourceNameLen, &package, &type, &name, 4552 defType, defPackage, &errorMsg)) { 4553 if (accessor != NULL) { 4554 accessor->reportError(accessorCookie, errorMsg); 4555 } 4556 return false; 4557 } 4558 4559 uint32_t specFlags = 0; 4560 uint32_t rid = identifierForName(name.string(), name.size(), type.string(), 4561 type.size(), package.string(), package.size(), &specFlags); 4562 if (rid != 0) { 4563 if (enforcePrivate) { 4564 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 4565 if (accessor != NULL) { 4566 accessor->reportError(accessorCookie, "Resource is not public."); 4567 } 4568 return false; 4569 } 4570 } 4571 if (!accessor) { 4572 outValue->data = rid; 4573 return true; 4574 } 4575 rid = Res_MAKEID( 4576 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 4577 Res_GETTYPE(rid), Res_GETENTRY(rid)); 4578 TABLE_NOISY(printf("Incl %s:%s/%s: 0x%08x\n", 4579 String8(package).string(), String8(type).string(), 4580 String8(name).string(), rid)); 4581 outValue->data = rid; 4582 return true; 4583 } 4584 4585 if (accessor) { 4586 uint32_t rid = accessor->getCustomResourceWithCreation(package, type, name, 4587 createIfNotFound); 4588 if (rid != 0) { 4589 TABLE_NOISY(printf("Pckg %s:%s/%s: 0x%08x\n", 4590 String8(package).string(), String8(type).string(), 4591 String8(name).string(), rid)); 4592 outValue->data = rid; 4593 return true; 4594 } 4595 } 4596 } 4597 4598 if (accessor != NULL) { 4599 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 4600 } 4601 return false; 4602 } 4603 4604 // if we got to here, and localization is required and it's not a reference, 4605 // complain and bail. 4606 if (l10nReq == ResTable_map::L10N_SUGGESTED) { 4607 if (localizationSetting) { 4608 if (accessor != NULL) { 4609 accessor->reportError(accessorCookie, "This attribute must be localized."); 4610 } 4611 } 4612 } 4613 4614 if (*s == '#') { 4615 // It's a color! Convert to an integer of the form 0xaarrggbb. 4616 uint32_t color = 0; 4617 bool error = false; 4618 if (len == 4) { 4619 outValue->dataType = outValue->TYPE_INT_COLOR_RGB4; 4620 color |= 0xFF000000; 4621 color |= get_hex(s[1], &error) << 20; 4622 color |= get_hex(s[1], &error) << 16; 4623 color |= get_hex(s[2], &error) << 12; 4624 color |= get_hex(s[2], &error) << 8; 4625 color |= get_hex(s[3], &error) << 4; 4626 color |= get_hex(s[3], &error); 4627 } else if (len == 5) { 4628 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB4; 4629 color |= get_hex(s[1], &error) << 28; 4630 color |= get_hex(s[1], &error) << 24; 4631 color |= get_hex(s[2], &error) << 20; 4632 color |= get_hex(s[2], &error) << 16; 4633 color |= get_hex(s[3], &error) << 12; 4634 color |= get_hex(s[3], &error) << 8; 4635 color |= get_hex(s[4], &error) << 4; 4636 color |= get_hex(s[4], &error); 4637 } else if (len == 7) { 4638 outValue->dataType = outValue->TYPE_INT_COLOR_RGB8; 4639 color |= 0xFF000000; 4640 color |= get_hex(s[1], &error) << 20; 4641 color |= get_hex(s[2], &error) << 16; 4642 color |= get_hex(s[3], &error) << 12; 4643 color |= get_hex(s[4], &error) << 8; 4644 color |= get_hex(s[5], &error) << 4; 4645 color |= get_hex(s[6], &error); 4646 } else if (len == 9) { 4647 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB8; 4648 color |= get_hex(s[1], &error) << 28; 4649 color |= get_hex(s[2], &error) << 24; 4650 color |= get_hex(s[3], &error) << 20; 4651 color |= get_hex(s[4], &error) << 16; 4652 color |= get_hex(s[5], &error) << 12; 4653 color |= get_hex(s[6], &error) << 8; 4654 color |= get_hex(s[7], &error) << 4; 4655 color |= get_hex(s[8], &error); 4656 } else { 4657 error = true; 4658 } 4659 if (!error) { 4660 if ((attrType&ResTable_map::TYPE_COLOR) == 0) { 4661 if (!canStringCoerce) { 4662 if (accessor != NULL) { 4663 accessor->reportError(accessorCookie, 4664 "Color types not allowed"); 4665 } 4666 return false; 4667 } 4668 } else { 4669 outValue->data = color; 4670 //printf("Color input=%s, output=0x%x\n", String8(s, len).string(), color); 4671 return true; 4672 } 4673 } else { 4674 if ((attrType&ResTable_map::TYPE_COLOR) != 0) { 4675 if (accessor != NULL) { 4676 accessor->reportError(accessorCookie, "Color value not valid --" 4677 " must be #rgb, #argb, #rrggbb, or #aarrggbb"); 4678 } 4679 #if 0 4680 fprintf(stderr, "%s: Color ID %s value %s is not valid\n", 4681 "Resource File", //(const char*)in->getPrintableSource(), 4682 String8(*curTag).string(), 4683 String8(s, len).string()); 4684 #endif 4685 return false; 4686 } 4687 } 4688 } 4689 4690 if (*s == '?') { 4691 outValue->dataType = outValue->TYPE_ATTRIBUTE; 4692 4693 // Note: we don't check attrType here because the reference can 4694 // be to any other type; we just need to count on the client making 4695 // sure the referenced type is correct. 4696 4697 //printf("Looking up attr: %s\n", String8(s, len).string()); 4698 4699 static const String16 attr16("attr"); 4700 String16 package, type, name; 4701 if (!expandResourceRef(s+1, len-1, &package, &type, &name, 4702 &attr16, defPackage, &errorMsg)) { 4703 if (accessor != NULL) { 4704 accessor->reportError(accessorCookie, errorMsg); 4705 } 4706 return false; 4707 } 4708 4709 //printf("Pkg: %s, Type: %s, Name: %s\n", 4710 // String8(package).string(), String8(type).string(), 4711 // String8(name).string()); 4712 uint32_t specFlags = 0; 4713 uint32_t rid = 4714 identifierForName(name.string(), name.size(), 4715 type.string(), type.size(), 4716 package.string(), package.size(), &specFlags); 4717 if (rid != 0) { 4718 if (enforcePrivate) { 4719 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 4720 if (accessor != NULL) { 4721 accessor->reportError(accessorCookie, "Attribute is not public."); 4722 } 4723 return false; 4724 } 4725 } 4726 if (!accessor) { 4727 outValue->data = rid; 4728 return true; 4729 } 4730 rid = Res_MAKEID( 4731 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 4732 Res_GETTYPE(rid), Res_GETENTRY(rid)); 4733 //printf("Incl %s:%s/%s: 0x%08x\n", 4734 // String8(package).string(), String8(type).string(), 4735 // String8(name).string(), rid); 4736 outValue->data = rid; 4737 return true; 4738 } 4739 4740 if (accessor) { 4741 uint32_t rid = accessor->getCustomResource(package, type, name); 4742 if (rid != 0) { 4743 //printf("Mine %s:%s/%s: 0x%08x\n", 4744 // String8(package).string(), String8(type).string(), 4745 // String8(name).string(), rid); 4746 outValue->data = rid; 4747 return true; 4748 } 4749 } 4750 4751 if (accessor != NULL) { 4752 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 4753 } 4754 return false; 4755 } 4756 4757 if (stringToInt(s, len, outValue)) { 4758 if ((attrType&ResTable_map::TYPE_INTEGER) == 0) { 4759 // If this type does not allow integers, but does allow floats, 4760 // fall through on this error case because the float type should 4761 // be able to accept any integer value. 4762 if (!canStringCoerce && (attrType&ResTable_map::TYPE_FLOAT) == 0) { 4763 if (accessor != NULL) { 4764 accessor->reportError(accessorCookie, "Integer types not allowed"); 4765 } 4766 return false; 4767 } 4768 } else { 4769 if (((int32_t)outValue->data) < ((int32_t)attrMin) 4770 || ((int32_t)outValue->data) > ((int32_t)attrMax)) { 4771 if (accessor != NULL) { 4772 accessor->reportError(accessorCookie, "Integer value out of range"); 4773 } 4774 return false; 4775 } 4776 return true; 4777 } 4778 } 4779 4780 if (stringToFloat(s, len, outValue)) { 4781 if (outValue->dataType == Res_value::TYPE_DIMENSION) { 4782 if ((attrType&ResTable_map::TYPE_DIMENSION) != 0) { 4783 return true; 4784 } 4785 if (!canStringCoerce) { 4786 if (accessor != NULL) { 4787 accessor->reportError(accessorCookie, "Dimension types not allowed"); 4788 } 4789 return false; 4790 } 4791 } else if (outValue->dataType == Res_value::TYPE_FRACTION) { 4792 if ((attrType&ResTable_map::TYPE_FRACTION) != 0) { 4793 return true; 4794 } 4795 if (!canStringCoerce) { 4796 if (accessor != NULL) { 4797 accessor->reportError(accessorCookie, "Fraction types not allowed"); 4798 } 4799 return false; 4800 } 4801 } else if ((attrType&ResTable_map::TYPE_FLOAT) == 0) { 4802 if (!canStringCoerce) { 4803 if (accessor != NULL) { 4804 accessor->reportError(accessorCookie, "Float types not allowed"); 4805 } 4806 return false; 4807 } 4808 } else { 4809 return true; 4810 } 4811 } 4812 4813 if (len == 4) { 4814 if ((s[0] == 't' || s[0] == 'T') && 4815 (s[1] == 'r' || s[1] == 'R') && 4816 (s[2] == 'u' || s[2] == 'U') && 4817 (s[3] == 'e' || s[3] == 'E')) { 4818 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 4819 if (!canStringCoerce) { 4820 if (accessor != NULL) { 4821 accessor->reportError(accessorCookie, "Boolean types not allowed"); 4822 } 4823 return false; 4824 } 4825 } else { 4826 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 4827 outValue->data = (uint32_t)-1; 4828 return true; 4829 } 4830 } 4831 } 4832 4833 if (len == 5) { 4834 if ((s[0] == 'f' || s[0] == 'F') && 4835 (s[1] == 'a' || s[1] == 'A') && 4836 (s[2] == 'l' || s[2] == 'L') && 4837 (s[3] == 's' || s[3] == 'S') && 4838 (s[4] == 'e' || s[4] == 'E')) { 4839 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 4840 if (!canStringCoerce) { 4841 if (accessor != NULL) { 4842 accessor->reportError(accessorCookie, "Boolean types not allowed"); 4843 } 4844 return false; 4845 } 4846 } else { 4847 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 4848 outValue->data = 0; 4849 return true; 4850 } 4851 } 4852 } 4853 4854 if ((attrType&ResTable_map::TYPE_ENUM) != 0) { 4855 const ssize_t p = getResourcePackageIndex(attrID); 4856 const bag_entry* bag; 4857 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4858 //printf("Got %d for enum\n", cnt); 4859 if (cnt >= 0) { 4860 resource_name rname; 4861 while (cnt > 0) { 4862 if (!Res_INTERNALID(bag->map.name.ident)) { 4863 //printf("Trying attr #%08x\n", bag->map.name.ident); 4864 if (getResourceName(bag->map.name.ident, false, &rname)) { 4865 #if 0 4866 printf("Matching %s against %s (0x%08x)\n", 4867 String8(s, len).string(), 4868 String8(rname.name, rname.nameLen).string(), 4869 bag->map.name.ident); 4870 #endif 4871 if (strzcmp16(s, len, rname.name, rname.nameLen) == 0) { 4872 outValue->dataType = bag->map.value.dataType; 4873 outValue->data = bag->map.value.data; 4874 unlockBag(bag); 4875 return true; 4876 } 4877 } 4878 4879 } 4880 bag++; 4881 cnt--; 4882 } 4883 unlockBag(bag); 4884 } 4885 4886 if (fromAccessor) { 4887 if (accessor->getAttributeEnum(attrID, s, len, outValue)) { 4888 return true; 4889 } 4890 } 4891 } 4892 4893 if ((attrType&ResTable_map::TYPE_FLAGS) != 0) { 4894 const ssize_t p = getResourcePackageIndex(attrID); 4895 const bag_entry* bag; 4896 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4897 //printf("Got %d for flags\n", cnt); 4898 if (cnt >= 0) { 4899 bool failed = false; 4900 resource_name rname; 4901 outValue->dataType = Res_value::TYPE_INT_HEX; 4902 outValue->data = 0; 4903 const char16_t* end = s + len; 4904 const char16_t* pos = s; 4905 while (pos < end && !failed) { 4906 const char16_t* start = pos; 4907 pos++; 4908 while (pos < end && *pos != '|') { 4909 pos++; 4910 } 4911 //printf("Looking for: %s\n", String8(start, pos-start).string()); 4912 const bag_entry* bagi = bag; 4913 ssize_t i; 4914 for (i=0; i<cnt; i++, bagi++) { 4915 if (!Res_INTERNALID(bagi->map.name.ident)) { 4916 //printf("Trying attr #%08x\n", bagi->map.name.ident); 4917 if (getResourceName(bagi->map.name.ident, false, &rname)) { 4918 #if 0 4919 printf("Matching %s against %s (0x%08x)\n", 4920 String8(start,pos-start).string(), 4921 String8(rname.name, rname.nameLen).string(), 4922 bagi->map.name.ident); 4923 #endif 4924 if (strzcmp16(start, pos-start, rname.name, rname.nameLen) == 0) { 4925 outValue->data |= bagi->map.value.data; 4926 break; 4927 } 4928 } 4929 } 4930 } 4931 if (i >= cnt) { 4932 // Didn't find this flag identifier. 4933 failed = true; 4934 } 4935 if (pos < end) { 4936 pos++; 4937 } 4938 } 4939 unlockBag(bag); 4940 if (!failed) { 4941 //printf("Final flag value: 0x%lx\n", outValue->data); 4942 return true; 4943 } 4944 } 4945 4946 4947 if (fromAccessor) { 4948 if (accessor->getAttributeFlags(attrID, s, len, outValue)) { 4949 //printf("Final flag value: 0x%lx\n", outValue->data); 4950 return true; 4951 } 4952 } 4953 } 4954 4955 if ((attrType&ResTable_map::TYPE_STRING) == 0) { 4956 if (accessor != NULL) { 4957 accessor->reportError(accessorCookie, "String types not allowed"); 4958 } 4959 return false; 4960 } 4961 4962 // Generic string handling... 4963 outValue->dataType = outValue->TYPE_STRING; 4964 if (outString) { 4965 bool failed = collectString(outString, s, len, preserveSpaces, &errorMsg); 4966 if (accessor != NULL) { 4967 accessor->reportError(accessorCookie, errorMsg); 4968 } 4969 return failed; 4970 } 4971 4972 return true; 4973} 4974 4975bool ResTable::collectString(String16* outString, 4976 const char16_t* s, size_t len, 4977 bool preserveSpaces, 4978 const char** outErrorMsg, 4979 bool append) 4980{ 4981 String16 tmp; 4982 4983 char quoted = 0; 4984 const char16_t* p = s; 4985 while (p < (s+len)) { 4986 while (p < (s+len)) { 4987 const char16_t c = *p; 4988 if (c == '\\') { 4989 break; 4990 } 4991 if (!preserveSpaces) { 4992 if (quoted == 0 && isspace16(c) 4993 && (c != ' ' || isspace16(*(p+1)))) { 4994 break; 4995 } 4996 if (c == '"' && (quoted == 0 || quoted == '"')) { 4997 break; 4998 } 4999 if (c == '\'' && (quoted == 0 || quoted == '\'')) { 5000 /* 5001 * In practice, when people write ' instead of \' 5002 * in a string, they are doing it by accident 5003 * instead of really meaning to use ' as a quoting 5004 * character. Warn them so they don't lose it. 5005 */ 5006 if (outErrorMsg) { 5007 *outErrorMsg = "Apostrophe not preceded by \\"; 5008 } 5009 return false; 5010 } 5011 } 5012 p++; 5013 } 5014 if (p < (s+len)) { 5015 if (p > s) { 5016 tmp.append(String16(s, p-s)); 5017 } 5018 if (!preserveSpaces && (*p == '"' || *p == '\'')) { 5019 if (quoted == 0) { 5020 quoted = *p; 5021 } else { 5022 quoted = 0; 5023 } 5024 p++; 5025 } else if (!preserveSpaces && isspace16(*p)) { 5026 // Space outside of a quote -- consume all spaces and 5027 // leave a single plain space char. 5028 tmp.append(String16(" ")); 5029 p++; 5030 while (p < (s+len) && isspace16(*p)) { 5031 p++; 5032 } 5033 } else if (*p == '\\') { 5034 p++; 5035 if (p < (s+len)) { 5036 switch (*p) { 5037 case 't': 5038 tmp.append(String16("\t")); 5039 break; 5040 case 'n': 5041 tmp.append(String16("\n")); 5042 break; 5043 case '#': 5044 tmp.append(String16("#")); 5045 break; 5046 case '@': 5047 tmp.append(String16("@")); 5048 break; 5049 case '?': 5050 tmp.append(String16("?")); 5051 break; 5052 case '"': 5053 tmp.append(String16("\"")); 5054 break; 5055 case '\'': 5056 tmp.append(String16("'")); 5057 break; 5058 case '\\': 5059 tmp.append(String16("\\")); 5060 break; 5061 case 'u': 5062 { 5063 char16_t chr = 0; 5064 int i = 0; 5065 while (i < 4 && p[1] != 0) { 5066 p++; 5067 i++; 5068 int c; 5069 if (*p >= '0' && *p <= '9') { 5070 c = *p - '0'; 5071 } else if (*p >= 'a' && *p <= 'f') { 5072 c = *p - 'a' + 10; 5073 } else if (*p >= 'A' && *p <= 'F') { 5074 c = *p - 'A' + 10; 5075 } else { 5076 if (outErrorMsg) { 5077 *outErrorMsg = "Bad character in \\u unicode escape sequence"; 5078 } 5079 return false; 5080 } 5081 chr = (chr<<4) | c; 5082 } 5083 tmp.append(String16(&chr, 1)); 5084 } break; 5085 default: 5086 // ignore unknown escape chars. 5087 break; 5088 } 5089 p++; 5090 } 5091 } 5092 len -= (p-s); 5093 s = p; 5094 } 5095 } 5096 5097 if (tmp.size() != 0) { 5098 if (len > 0) { 5099 tmp.append(String16(s, len)); 5100 } 5101 if (append) { 5102 outString->append(tmp); 5103 } else { 5104 outString->setTo(tmp); 5105 } 5106 } else { 5107 if (append) { 5108 outString->append(String16(s, len)); 5109 } else { 5110 outString->setTo(s, len); 5111 } 5112 } 5113 5114 return true; 5115} 5116 5117size_t ResTable::getBasePackageCount() const 5118{ 5119 if (mError != NO_ERROR) { 5120 return 0; 5121 } 5122 return mPackageGroups.size(); 5123} 5124 5125const char16_t* ResTable::getBasePackageName(size_t idx) const 5126{ 5127 if (mError != NO_ERROR) { 5128 return 0; 5129 } 5130 LOG_FATAL_IF(idx >= mPackageGroups.size(), 5131 "Requested package index %d past package count %d", 5132 (int)idx, (int)mPackageGroups.size()); 5133 return mPackageGroups[idx]->name.string(); 5134} 5135 5136uint32_t ResTable::getBasePackageId(size_t idx) const 5137{ 5138 if (mError != NO_ERROR) { 5139 return 0; 5140 } 5141 LOG_FATAL_IF(idx >= mPackageGroups.size(), 5142 "Requested package index %d past package count %d", 5143 (int)idx, (int)mPackageGroups.size()); 5144 return mPackageGroups[idx]->id; 5145} 5146 5147size_t ResTable::getTableCount() const 5148{ 5149 return mHeaders.size(); 5150} 5151 5152const ResStringPool* ResTable::getTableStringBlock(size_t index) const 5153{ 5154 return &mHeaders[index]->values; 5155} 5156 5157int32_t ResTable::getTableCookie(size_t index) const 5158{ 5159 return mHeaders[index]->cookie; 5160} 5161 5162void ResTable::getConfigurations(Vector<ResTable_config>* configs) const 5163{ 5164 const size_t I = mPackageGroups.size(); 5165 for (size_t i=0; i<I; i++) { 5166 const PackageGroup* packageGroup = mPackageGroups[i]; 5167 const size_t J = packageGroup->packages.size(); 5168 for (size_t j=0; j<J; j++) { 5169 const Package* package = packageGroup->packages[j]; 5170 const size_t K = package->types.size(); 5171 for (size_t k=0; k<K; k++) { 5172 const Type* type = package->types[k]; 5173 if (type == NULL) continue; 5174 const size_t L = type->configs.size(); 5175 for (size_t l=0; l<L; l++) { 5176 const ResTable_type* config = type->configs[l]; 5177 ResTable_config cfg; 5178 memset(&cfg, 0, sizeof(ResTable_config)); 5179 cfg.copyFromDtoH(config->config); 5180 // only insert unique 5181 const size_t M = configs->size(); 5182 size_t m; 5183 for (m=0; m<M; m++) { 5184 if (0 == (*configs)[m].compare(cfg)) { 5185 break; 5186 } 5187 } 5188 // if we didn't find it 5189 if (m == M) { 5190 configs->add(cfg); 5191 } 5192 } 5193 } 5194 } 5195 } 5196} 5197 5198void ResTable::getLocales(Vector<String8>* locales) const 5199{ 5200 Vector<ResTable_config> configs; 5201 ALOGV("calling getConfigurations"); 5202 getConfigurations(&configs); 5203 ALOGV("called getConfigurations size=%d", (int)configs.size()); 5204 const size_t I = configs.size(); 5205 5206 char locale[RESTABLE_MAX_LOCALE_LEN]; 5207 for (size_t i=0; i<I; i++) { 5208 configs[i].getBcp47Locale(locale); 5209 const size_t J = locales->size(); 5210 size_t j; 5211 for (j=0; j<J; j++) { 5212 if (0 == strcmp(locale, (*locales)[j].string())) { 5213 break; 5214 } 5215 } 5216 if (j == J) { 5217 locales->add(String8(locale)); 5218 } 5219 } 5220} 5221 5222ssize_t ResTable::getEntry( 5223 const Package* package, int typeIndex, int entryIndex, 5224 const ResTable_config* config, 5225 const ResTable_type** outType, const ResTable_entry** outEntry, 5226 const Type** outTypeClass) const 5227{ 5228 ALOGV("Getting entry from package %p\n", package); 5229 const ResTable_package* const pkg = package->package; 5230 5231 const Type* allTypes = package->getType(typeIndex); 5232 ALOGV("allTypes=%p\n", allTypes); 5233 if (allTypes == NULL) { 5234 ALOGV("Skipping entry type index 0x%02x because type is NULL!\n", typeIndex); 5235 return 0; 5236 } 5237 5238 if ((size_t)entryIndex >= allTypes->entryCount) { 5239 ALOGW("getEntry failing because entryIndex %d is beyond type entryCount %d", 5240 entryIndex, (int)allTypes->entryCount); 5241 return BAD_TYPE; 5242 } 5243 5244 const ResTable_type* type = NULL; 5245 uint32_t offset = ResTable_type::NO_ENTRY; 5246 ResTable_config bestConfig; 5247 memset(&bestConfig, 0, sizeof(bestConfig)); // make the compiler shut up 5248 5249 const size_t NT = allTypes->configs.size(); 5250 for (size_t i=0; i<NT; i++) { 5251 const ResTable_type* const thisType = allTypes->configs[i]; 5252 if (thisType == NULL) continue; 5253 5254 ResTable_config thisConfig; 5255 thisConfig.copyFromDtoH(thisType->config); 5256 5257 TABLE_GETENTRY(ALOGI("Match entry 0x%x in type 0x%x (sz 0x%x): %s\n", 5258 entryIndex, typeIndex+1, dtohl(thisType->config.size), 5259 thisConfig.toString().string())); 5260 5261 // Check to make sure this one is valid for the current parameters. 5262 if (config && !thisConfig.match(*config)) { 5263 TABLE_GETENTRY(ALOGI("Does not match config!\n")); 5264 continue; 5265 } 5266 5267 // Check if there is the desired entry in this type. 5268 5269 const uint8_t* const end = ((const uint8_t*)thisType) 5270 + dtohl(thisType->header.size); 5271 const uint32_t* const eindex = (const uint32_t*) 5272 (((const uint8_t*)thisType) + dtohs(thisType->header.headerSize)); 5273 5274 uint32_t thisOffset = dtohl(eindex[entryIndex]); 5275 if (thisOffset == ResTable_type::NO_ENTRY) { 5276 TABLE_GETENTRY(ALOGI("Skipping because it is not defined!\n")); 5277 continue; 5278 } 5279 5280 if (type != NULL) { 5281 // Check if this one is less specific than the last found. If so, 5282 // we will skip it. We check starting with things we most care 5283 // about to those we least care about. 5284 if (!thisConfig.isBetterThan(bestConfig, config)) { 5285 TABLE_GETENTRY(ALOGI("This config is worse than last!\n")); 5286 continue; 5287 } 5288 } 5289 5290 type = thisType; 5291 offset = thisOffset; 5292 bestConfig = thisConfig; 5293 TABLE_GETENTRY(ALOGI("Best entry so far -- using it!\n")); 5294 if (!config) break; 5295 } 5296 5297 if (type == NULL) { 5298 TABLE_GETENTRY(ALOGI("No value found for requested entry!\n")); 5299 return BAD_INDEX; 5300 } 5301 5302 offset += dtohl(type->entriesStart); 5303 TABLE_NOISY(aout << "Looking in resource table " << package->header->header 5304 << ", typeOff=" 5305 << (void*)(((const char*)type)-((const char*)package->header->header)) 5306 << ", offset=" << (void*)offset << endl); 5307 5308 if (offset > (dtohl(type->header.size)-sizeof(ResTable_entry))) { 5309 ALOGW("ResTable_entry at 0x%x is beyond type chunk data 0x%x", 5310 offset, dtohl(type->header.size)); 5311 return BAD_TYPE; 5312 } 5313 if ((offset&0x3) != 0) { 5314 ALOGW("ResTable_entry at 0x%x is not on an integer boundary", 5315 offset); 5316 return BAD_TYPE; 5317 } 5318 5319 const ResTable_entry* const entry = (const ResTable_entry*) 5320 (((const uint8_t*)type) + offset); 5321 if (dtohs(entry->size) < sizeof(*entry)) { 5322 ALOGW("ResTable_entry size 0x%x is too small", dtohs(entry->size)); 5323 return BAD_TYPE; 5324 } 5325 5326 *outType = type; 5327 *outEntry = entry; 5328 if (outTypeClass != NULL) { 5329 *outTypeClass = allTypes; 5330 } 5331 return offset + dtohs(entry->size); 5332} 5333 5334status_t ResTable::parsePackage(const ResTable_package* const pkg, 5335 const Header* const header, uint32_t idmap_id) 5336{ 5337 const uint8_t* base = (const uint8_t*)pkg; 5338 status_t err = validate_chunk(&pkg->header, sizeof(*pkg), 5339 header->dataEnd, "ResTable_package"); 5340 if (err != NO_ERROR) { 5341 return (mError=err); 5342 } 5343 5344 const uint32_t pkgSize = dtohl(pkg->header.size); 5345 5346 if (dtohl(pkg->typeStrings) >= pkgSize) { 5347 ALOGW("ResTable_package type strings at 0x%x are past chunk size 0x%x.", 5348 dtohl(pkg->typeStrings), pkgSize); 5349 return (mError=BAD_TYPE); 5350 } 5351 if ((dtohl(pkg->typeStrings)&0x3) != 0) { 5352 ALOGW("ResTable_package type strings at 0x%x is not on an integer boundary.", 5353 dtohl(pkg->typeStrings)); 5354 return (mError=BAD_TYPE); 5355 } 5356 if (dtohl(pkg->keyStrings) >= pkgSize) { 5357 ALOGW("ResTable_package key strings at 0x%x are past chunk size 0x%x.", 5358 dtohl(pkg->keyStrings), pkgSize); 5359 return (mError=BAD_TYPE); 5360 } 5361 if ((dtohl(pkg->keyStrings)&0x3) != 0) { 5362 ALOGW("ResTable_package key strings at 0x%x is not on an integer boundary.", 5363 dtohl(pkg->keyStrings)); 5364 return (mError=BAD_TYPE); 5365 } 5366 5367 Package* package = NULL; 5368 PackageGroup* group = NULL; 5369 uint32_t id = idmap_id != 0 ? idmap_id : dtohl(pkg->id); 5370 // If at this point id == 0, pkg is an overlay package without a 5371 // corresponding idmap. During regular usage, overlay packages are 5372 // always loaded alongside their idmaps, but during idmap creation 5373 // the package is temporarily loaded by itself. 5374 if (id < 256) { 5375 5376 package = new Package(this, header, pkg); 5377 if (package == NULL) { 5378 return (mError=NO_MEMORY); 5379 } 5380 5381 size_t idx = mPackageMap[id]; 5382 if (idx == 0) { 5383 idx = mPackageGroups.size()+1; 5384 5385 char16_t tmpName[sizeof(pkg->name)/sizeof(char16_t)]; 5386 strcpy16_dtoh(tmpName, pkg->name, sizeof(pkg->name)/sizeof(char16_t)); 5387 group = new PackageGroup(this, String16(tmpName), id); 5388 if (group == NULL) { 5389 delete package; 5390 return (mError=NO_MEMORY); 5391 } 5392 5393 err = package->typeStrings.setTo(base+dtohl(pkg->typeStrings), 5394 header->dataEnd-(base+dtohl(pkg->typeStrings))); 5395 if (err != NO_ERROR) { 5396 delete group; 5397 delete package; 5398 return (mError=err); 5399 } 5400 err = package->keyStrings.setTo(base+dtohl(pkg->keyStrings), 5401 header->dataEnd-(base+dtohl(pkg->keyStrings))); 5402 if (err != NO_ERROR) { 5403 delete group; 5404 delete package; 5405 return (mError=err); 5406 } 5407 5408 //printf("Adding new package id %d at index %d\n", id, idx); 5409 err = mPackageGroups.add(group); 5410 if (err < NO_ERROR) { 5411 return (mError=err); 5412 } 5413 group->basePackage = package; 5414 5415 mPackageMap[id] = (uint8_t)idx; 5416 } else { 5417 group = mPackageGroups.itemAt(idx-1); 5418 if (group == NULL) { 5419 return (mError=UNKNOWN_ERROR); 5420 } 5421 } 5422 err = group->packages.add(package); 5423 if (err < NO_ERROR) { 5424 return (mError=err); 5425 } 5426 } else { 5427 LOG_ALWAYS_FATAL("Package id out of range"); 5428 return NO_ERROR; 5429 } 5430 5431 5432 // Iterate through all chunks. 5433 size_t curPackage = 0; 5434 5435 const ResChunk_header* chunk = 5436 (const ResChunk_header*)(((const uint8_t*)pkg) 5437 + dtohs(pkg->header.headerSize)); 5438 const uint8_t* endPos = ((const uint8_t*)pkg) + dtohs(pkg->header.size); 5439 while (((const uint8_t*)chunk) <= (endPos-sizeof(ResChunk_header)) && 5440 ((const uint8_t*)chunk) <= (endPos-dtohl(chunk->size))) { 5441 TABLE_NOISY(ALOGV("PackageChunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 5442 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 5443 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 5444 const size_t csize = dtohl(chunk->size); 5445 const uint16_t ctype = dtohs(chunk->type); 5446 if (ctype == RES_TABLE_TYPE_SPEC_TYPE) { 5447 const ResTable_typeSpec* typeSpec = (const ResTable_typeSpec*)(chunk); 5448 err = validate_chunk(&typeSpec->header, sizeof(*typeSpec), 5449 endPos, "ResTable_typeSpec"); 5450 if (err != NO_ERROR) { 5451 return (mError=err); 5452 } 5453 5454 const size_t typeSpecSize = dtohl(typeSpec->header.size); 5455 5456 LOAD_TABLE_NOISY(printf("TypeSpec off %p: type=0x%x, headerSize=0x%x, size=%p\n", 5457 (void*)(base-(const uint8_t*)chunk), 5458 dtohs(typeSpec->header.type), 5459 dtohs(typeSpec->header.headerSize), 5460 (void*)typeSize)); 5461 // look for block overrun or int overflow when multiplying by 4 5462 if ((dtohl(typeSpec->entryCount) > (INT32_MAX/sizeof(uint32_t)) 5463 || dtohs(typeSpec->header.headerSize)+(sizeof(uint32_t)*dtohl(typeSpec->entryCount)) 5464 > typeSpecSize)) { 5465 ALOGW("ResTable_typeSpec entry index to %p extends beyond chunk end %p.", 5466 (void*)(dtohs(typeSpec->header.headerSize) 5467 +(sizeof(uint32_t)*dtohl(typeSpec->entryCount))), 5468 (void*)typeSpecSize); 5469 return (mError=BAD_TYPE); 5470 } 5471 5472 if (typeSpec->id == 0) { 5473 ALOGW("ResTable_type has an id of 0."); 5474 return (mError=BAD_TYPE); 5475 } 5476 5477 while (package->types.size() < typeSpec->id) { 5478 package->types.add(NULL); 5479 } 5480 Type* t = package->types[typeSpec->id-1]; 5481 if (t == NULL) { 5482 t = new Type(header, package, dtohl(typeSpec->entryCount)); 5483 package->types.editItemAt(typeSpec->id-1) = t; 5484 } else if (dtohl(typeSpec->entryCount) != t->entryCount) { 5485 ALOGW("ResTable_typeSpec entry count inconsistent: given %d, previously %d", 5486 (int)dtohl(typeSpec->entryCount), (int)t->entryCount); 5487 return (mError=BAD_TYPE); 5488 } 5489 t->typeSpecFlags = (const uint32_t*)( 5490 ((const uint8_t*)typeSpec) + dtohs(typeSpec->header.headerSize)); 5491 t->typeSpec = typeSpec; 5492 5493 } else if (ctype == RES_TABLE_TYPE_TYPE) { 5494 const ResTable_type* type = (const ResTable_type*)(chunk); 5495 err = validate_chunk(&type->header, sizeof(*type)-sizeof(ResTable_config)+4, 5496 endPos, "ResTable_type"); 5497 if (err != NO_ERROR) { 5498 return (mError=err); 5499 } 5500 5501 const uint32_t typeSize = dtohl(type->header.size); 5502 5503 LOAD_TABLE_NOISY(printf("Type off %p: type=0x%x, headerSize=0x%x, size=%p\n", 5504 (void*)(base-(const uint8_t*)chunk), 5505 dtohs(type->header.type), 5506 dtohs(type->header.headerSize), 5507 (void*)typeSize)); 5508 if (dtohs(type->header.headerSize)+(sizeof(uint32_t)*dtohl(type->entryCount)) 5509 > typeSize) { 5510 ALOGW("ResTable_type entry index to %p extends beyond chunk end 0x%x.", 5511 (void*)(dtohs(type->header.headerSize) 5512 +(sizeof(uint32_t)*dtohl(type->entryCount))), 5513 typeSize); 5514 return (mError=BAD_TYPE); 5515 } 5516 if (dtohl(type->entryCount) != 0 5517 && dtohl(type->entriesStart) > (typeSize-sizeof(ResTable_entry))) { 5518 ALOGW("ResTable_type entriesStart at 0x%x extends beyond chunk end 0x%x.", 5519 dtohl(type->entriesStart), typeSize); 5520 return (mError=BAD_TYPE); 5521 } 5522 if (type->id == 0) { 5523 ALOGW("ResTable_type has an id of 0."); 5524 return (mError=BAD_TYPE); 5525 } 5526 5527 while (package->types.size() < type->id) { 5528 package->types.add(NULL); 5529 } 5530 Type* t = package->types[type->id-1]; 5531 if (t == NULL) { 5532 t = new Type(header, package, dtohl(type->entryCount)); 5533 package->types.editItemAt(type->id-1) = t; 5534 } else if (dtohl(type->entryCount) != t->entryCount) { 5535 ALOGW("ResTable_type entry count inconsistent: given %d, previously %d", 5536 (int)dtohl(type->entryCount), (int)t->entryCount); 5537 return (mError=BAD_TYPE); 5538 } 5539 5540 TABLE_GETENTRY( 5541 ResTable_config thisConfig; 5542 thisConfig.copyFromDtoH(type->config); 5543 ALOGI("Adding config to type %d: %s\n", 5544 type->id, thisConfig.toString().string())); 5545 t->configs.add(type); 5546 } else { 5547 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), 5548 endPos, "ResTable_package:unknown"); 5549 if (err != NO_ERROR) { 5550 return (mError=err); 5551 } 5552 } 5553 chunk = (const ResChunk_header*) 5554 (((const uint8_t*)chunk) + csize); 5555 } 5556 5557 if (group->typeCount == 0) { 5558 group->typeCount = package->types.size(); 5559 } 5560 5561 return NO_ERROR; 5562} 5563 5564status_t ResTable::createIdmap(const ResTable& overlay, 5565 uint32_t targetCrc, uint32_t overlayCrc, 5566 const char* targetPath, const char* overlayPath, 5567 void** outData, size_t* outSize) const 5568{ 5569 // see README for details on the format of map 5570 if (mPackageGroups.size() == 0) { 5571 ALOGW("idmap: target package has no package groups, cannot create idmap\n"); 5572 return UNKNOWN_ERROR; 5573 } 5574 if (mPackageGroups[0]->packages.size() == 0) { 5575 ALOGW("idmap: target package has no packages in its first package group, " 5576 "cannot create idmap\n"); 5577 return UNKNOWN_ERROR; 5578 } 5579 5580 Vector<Vector<uint32_t> > map; 5581 // overlaid packages are assumed to contain only one package group 5582 const PackageGroup* pg = mPackageGroups[0]; 5583 const Package* pkg = pg->packages[0]; 5584 size_t typeCount = pkg->types.size(); 5585 // starting size is header + first item (number of types in map) 5586 *outSize = (IDMAP_HEADER_SIZE + 1) * sizeof(uint32_t); 5587 // overlay packages are assumed to contain only one package group 5588 const String16 overlayPackage(overlay.mPackageGroups[0]->packages[0]->package->name); 5589 const uint32_t pkg_id = pkg->package->id << 24; 5590 5591 for (size_t typeIndex = 0; typeIndex < typeCount; ++typeIndex) { 5592 ssize_t first = -1; 5593 ssize_t last = -1; 5594 const Type* typeConfigs = pkg->getType(typeIndex); 5595 ssize_t mapIndex = map.add(); 5596 if (mapIndex < 0) { 5597 return NO_MEMORY; 5598 } 5599 Vector<uint32_t>& vector = map.editItemAt(mapIndex); 5600 for (size_t entryIndex = 0; entryIndex < typeConfigs->entryCount; ++entryIndex) { 5601 uint32_t resID = pkg_id 5602 | (0x00ff0000 & ((typeIndex+1)<<16)) 5603 | (0x0000ffff & (entryIndex)); 5604 resource_name resName; 5605 if (!this->getResourceName(resID, false, &resName)) { 5606 ALOGW("idmap: resource 0x%08x has spec but lacks values, skipping\n", resID); 5607 // add dummy value, or trimming leading/trailing zeroes later will fail 5608 vector.push(0); 5609 continue; 5610 } 5611 5612 const String16 overlayType(resName.type, resName.typeLen); 5613 const String16 overlayName(resName.name, resName.nameLen); 5614 uint32_t overlayResID = overlay.identifierForName(overlayName.string(), 5615 overlayName.size(), 5616 overlayType.string(), 5617 overlayType.size(), 5618 overlayPackage.string(), 5619 overlayPackage.size()); 5620 if (overlayResID != 0) { 5621 overlayResID = pkg_id | (0x00ffffff & overlayResID); 5622 last = Res_GETENTRY(resID); 5623 if (first == -1) { 5624 first = Res_GETENTRY(resID); 5625 } 5626 } 5627 vector.push(overlayResID); 5628#if 0 5629 if (overlayResID != 0) { 5630 ALOGD("%s/%s 0x%08x -> 0x%08x\n", 5631 String8(String16(resName.type)).string(), 5632 String8(String16(resName.name)).string(), 5633 resID, overlayResID); 5634 } 5635#endif 5636 } 5637 5638 if (first != -1) { 5639 // shave off trailing entries which lack overlay values 5640 const size_t last_past_one = last + 1; 5641 if (last_past_one < vector.size()) { 5642 vector.removeItemsAt(last_past_one, vector.size() - last_past_one); 5643 } 5644 // shave off leading entries which lack overlay values 5645 vector.removeItemsAt(0, first); 5646 // store offset to first overlaid resource ID of this type 5647 vector.insertAt((uint32_t)first, 0, 1); 5648 // reserve space for number and offset of entries, and the actual entries 5649 *outSize += (2 + vector.size()) * sizeof(uint32_t); 5650 } else { 5651 // no entries of current type defined in overlay package 5652 vector.clear(); 5653 // reserve space for type offset 5654 *outSize += 1 * sizeof(uint32_t); 5655 } 5656 } 5657 5658 if ((*outData = malloc(*outSize)) == NULL) { 5659 return NO_MEMORY; 5660 } 5661 uint32_t* data = (uint32_t*)*outData; 5662 *data++ = htodl(IDMAP_MAGIC); 5663 *data++ = htodl(targetCrc); 5664 *data++ = htodl(overlayCrc); 5665 const char* paths[] = { targetPath, overlayPath }; 5666 for (int j = 0; j < 2; ++j) { 5667 char* p = (char*)data; 5668 const char* path = paths[j]; 5669 const size_t I = strlen(path); 5670 if (I > 255) { 5671 ALOGV("path exceeds expected 255 characters: %s\n", path); 5672 return UNKNOWN_ERROR; 5673 } 5674 for (size_t i = 0; i < 256; ++i) { 5675 *p++ = i < I ? path[i] : '\0'; 5676 } 5677 data += 256 / sizeof(uint32_t); 5678 } 5679 const size_t mapSize = map.size(); 5680 *data++ = htodl(mapSize); 5681 size_t offset = mapSize; 5682 for (size_t i = 0; i < mapSize; ++i) { 5683 const Vector<uint32_t>& vector = map.itemAt(i); 5684 const size_t N = vector.size(); 5685 if (N == 0) { 5686 *data++ = htodl(0); 5687 } else { 5688 offset++; 5689 *data++ = htodl(offset); 5690 offset += N; 5691 } 5692 } 5693 if (offset == mapSize) { 5694 ALOGW("idmap: no resources in overlay package present in base package\n"); 5695 return UNKNOWN_ERROR; 5696 } 5697 for (size_t i = 0; i < mapSize; ++i) { 5698 const Vector<uint32_t>& vector = map.itemAt(i); 5699 const size_t N = vector.size(); 5700 if (N == 0) { 5701 continue; 5702 } 5703 if (N == 1) { // vector expected to hold (offset) + (N > 0 entries) 5704 ALOGW("idmap: type %d supposedly has entries, but no entries found\n", i); 5705 return UNKNOWN_ERROR; 5706 } 5707 *data++ = htodl(N - 1); // do not count the offset (which is vector's first element) 5708 for (size_t j = 0; j < N; ++j) { 5709 const uint32_t& overlayResID = vector.itemAt(j); 5710 *data++ = htodl(overlayResID); 5711 } 5712 } 5713 5714 return NO_ERROR; 5715} 5716 5717bool ResTable::getIdmapInfo(const void* idmap, size_t sizeBytes, 5718 uint32_t* pTargetCrc, uint32_t* pOverlayCrc, 5719 String8* pTargetPath, String8* pOverlayPath) 5720{ 5721 const uint32_t* map = (const uint32_t*)idmap; 5722 if (!assertIdmapHeader(map, sizeBytes)) { 5723 return false; 5724 } 5725 if (pTargetCrc) { 5726 *pTargetCrc = map[1]; 5727 } 5728 if (pOverlayCrc) { 5729 *pOverlayCrc = map[2]; 5730 } 5731 if (pTargetPath) { 5732 pTargetPath->setTo(reinterpret_cast<const char*>(map + 3)); 5733 } 5734 if (pOverlayPath) { 5735 pOverlayPath->setTo(reinterpret_cast<const char*>(map + 3 + 256 / sizeof(uint32_t))); 5736 } 5737 return true; 5738} 5739 5740 5741#define CHAR16_TO_CSTR(c16, len) (String8(String16(c16,len)).string()) 5742 5743#define CHAR16_ARRAY_EQ(constant, var, len) \ 5744 ((len == (sizeof(constant)/sizeof(constant[0]))) && (0 == memcmp((var), (constant), (len)))) 5745 5746static void print_complex(uint32_t complex, bool isFraction) 5747{ 5748 const float MANTISSA_MULT = 5749 1.0f / (1<<Res_value::COMPLEX_MANTISSA_SHIFT); 5750 const float RADIX_MULTS[] = { 5751 1.0f*MANTISSA_MULT, 1.0f/(1<<7)*MANTISSA_MULT, 5752 1.0f/(1<<15)*MANTISSA_MULT, 1.0f/(1<<23)*MANTISSA_MULT 5753 }; 5754 5755 float value = (complex&(Res_value::COMPLEX_MANTISSA_MASK 5756 <<Res_value::COMPLEX_MANTISSA_SHIFT)) 5757 * RADIX_MULTS[(complex>>Res_value::COMPLEX_RADIX_SHIFT) 5758 & Res_value::COMPLEX_RADIX_MASK]; 5759 printf("%f", value); 5760 5761 if (!isFraction) { 5762 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 5763 case Res_value::COMPLEX_UNIT_PX: printf("px"); break; 5764 case Res_value::COMPLEX_UNIT_DIP: printf("dp"); break; 5765 case Res_value::COMPLEX_UNIT_SP: printf("sp"); break; 5766 case Res_value::COMPLEX_UNIT_PT: printf("pt"); break; 5767 case Res_value::COMPLEX_UNIT_IN: printf("in"); break; 5768 case Res_value::COMPLEX_UNIT_MM: printf("mm"); break; 5769 default: printf(" (unknown unit)"); break; 5770 } 5771 } else { 5772 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 5773 case Res_value::COMPLEX_UNIT_FRACTION: printf("%%"); break; 5774 case Res_value::COMPLEX_UNIT_FRACTION_PARENT: printf("%%p"); break; 5775 default: printf(" (unknown unit)"); break; 5776 } 5777 } 5778} 5779 5780// Normalize a string for output 5781String8 ResTable::normalizeForOutput( const char *input ) 5782{ 5783 String8 ret; 5784 char buff[2]; 5785 buff[1] = '\0'; 5786 5787 while (*input != '\0') { 5788 switch (*input) { 5789 // All interesting characters are in the ASCII zone, so we are making our own lives 5790 // easier by scanning the string one byte at a time. 5791 case '\\': 5792 ret += "\\\\"; 5793 break; 5794 case '\n': 5795 ret += "\\n"; 5796 break; 5797 case '"': 5798 ret += "\\\""; 5799 break; 5800 default: 5801 buff[0] = *input; 5802 ret += buff; 5803 break; 5804 } 5805 5806 input++; 5807 } 5808 5809 return ret; 5810} 5811 5812void ResTable::print_value(const Package* pkg, const Res_value& value) const 5813{ 5814 if (value.dataType == Res_value::TYPE_NULL) { 5815 printf("(null)\n"); 5816 } else if (value.dataType == Res_value::TYPE_REFERENCE) { 5817 printf("(reference) 0x%08x\n", value.data); 5818 } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) { 5819 printf("(attribute) 0x%08x\n", value.data); 5820 } else if (value.dataType == Res_value::TYPE_STRING) { 5821 size_t len; 5822 const char* str8 = pkg->header->values.string8At( 5823 value.data, &len); 5824 if (str8 != NULL) { 5825 printf("(string8) \"%s\"\n", normalizeForOutput(str8).string()); 5826 } else { 5827 const char16_t* str16 = pkg->header->values.stringAt( 5828 value.data, &len); 5829 if (str16 != NULL) { 5830 printf("(string16) \"%s\"\n", 5831 normalizeForOutput(String8(str16, len).string()).string()); 5832 } else { 5833 printf("(string) null\n"); 5834 } 5835 } 5836 } else if (value.dataType == Res_value::TYPE_FLOAT) { 5837 printf("(float) %g\n", *(const float*)&value.data); 5838 } else if (value.dataType == Res_value::TYPE_DIMENSION) { 5839 printf("(dimension) "); 5840 print_complex(value.data, false); 5841 printf("\n"); 5842 } else if (value.dataType == Res_value::TYPE_FRACTION) { 5843 printf("(fraction) "); 5844 print_complex(value.data, true); 5845 printf("\n"); 5846 } else if (value.dataType >= Res_value::TYPE_FIRST_COLOR_INT 5847 || value.dataType <= Res_value::TYPE_LAST_COLOR_INT) { 5848 printf("(color) #%08x\n", value.data); 5849 } else if (value.dataType == Res_value::TYPE_INT_BOOLEAN) { 5850 printf("(boolean) %s\n", value.data ? "true" : "false"); 5851 } else if (value.dataType >= Res_value::TYPE_FIRST_INT 5852 || value.dataType <= Res_value::TYPE_LAST_INT) { 5853 printf("(int) 0x%08x or %d\n", value.data, value.data); 5854 } else { 5855 printf("(unknown type) t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)\n", 5856 (int)value.dataType, (int)value.data, 5857 (int)value.size, (int)value.res0); 5858 } 5859} 5860 5861void ResTable::print(bool inclValues) const 5862{ 5863 if (mError != 0) { 5864 printf("mError=0x%x (%s)\n", mError, strerror(mError)); 5865 } 5866#if 0 5867 char localeStr[RESTABLE_MAX_LOCALE_LEN]; 5868 mParams.getBcp47Locale(localeStr); 5869 printf("mParams=%s,\n" localeStr); 5870#endif 5871 size_t pgCount = mPackageGroups.size(); 5872 printf("Package Groups (%d)\n", (int)pgCount); 5873 for (size_t pgIndex=0; pgIndex<pgCount; pgIndex++) { 5874 const PackageGroup* pg = mPackageGroups[pgIndex]; 5875 printf("Package Group %d id=%d packageCount=%d name=%s\n", 5876 (int)pgIndex, pg->id, (int)pg->packages.size(), 5877 String8(pg->name).string()); 5878 5879 size_t pkgCount = pg->packages.size(); 5880 for (size_t pkgIndex=0; pkgIndex<pkgCount; pkgIndex++) { 5881 const Package* pkg = pg->packages[pkgIndex]; 5882 size_t typeCount = pkg->types.size(); 5883 printf(" Package %d id=%d name=%s typeCount=%d\n", (int)pkgIndex, 5884 pkg->package->id, String8(String16(pkg->package->name)).string(), 5885 (int)typeCount); 5886 for (size_t typeIndex=0; typeIndex<typeCount; typeIndex++) { 5887 const Type* typeConfigs = pkg->getType(typeIndex); 5888 if (typeConfigs == NULL) { 5889 printf(" type %d NULL\n", (int)typeIndex); 5890 continue; 5891 } 5892 const size_t NTC = typeConfigs->configs.size(); 5893 printf(" type %d configCount=%d entryCount=%d\n", 5894 (int)typeIndex, (int)NTC, (int)typeConfigs->entryCount); 5895 if (typeConfigs->typeSpecFlags != NULL) { 5896 for (size_t entryIndex=0; entryIndex<typeConfigs->entryCount; entryIndex++) { 5897 uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) 5898 | (0x00ff0000 & ((typeIndex+1)<<16)) 5899 | (0x0000ffff & (entryIndex)); 5900 resource_name resName; 5901 if (this->getResourceName(resID, true, &resName)) { 5902 String8 type8; 5903 String8 name8; 5904 if (resName.type8 != NULL) { 5905 type8 = String8(resName.type8, resName.typeLen); 5906 } else { 5907 type8 = String8(resName.type, resName.typeLen); 5908 } 5909 if (resName.name8 != NULL) { 5910 name8 = String8(resName.name8, resName.nameLen); 5911 } else { 5912 name8 = String8(resName.name, resName.nameLen); 5913 } 5914 printf(" spec resource 0x%08x %s:%s/%s: flags=0x%08x\n", 5915 resID, 5916 CHAR16_TO_CSTR(resName.package, resName.packageLen), 5917 type8.string(), name8.string(), 5918 dtohl(typeConfigs->typeSpecFlags[entryIndex])); 5919 } else { 5920 printf(" INVALID TYPE CONFIG FOR RESOURCE 0x%08x\n", resID); 5921 } 5922 } 5923 } 5924 for (size_t configIndex=0; configIndex<NTC; configIndex++) { 5925 const ResTable_type* type = typeConfigs->configs[configIndex]; 5926 if ((((uint64_t)type)&0x3) != 0) { 5927 printf(" NON-INTEGER ResTable_type ADDRESS: %p\n", type); 5928 continue; 5929 } 5930 String8 configStr = type->config.toString(); 5931 printf(" config %s:\n", configStr.size() > 0 5932 ? configStr.string() : "(default)"); 5933 size_t entryCount = dtohl(type->entryCount); 5934 uint32_t entriesStart = dtohl(type->entriesStart); 5935 if ((entriesStart&0x3) != 0) { 5936 printf(" NON-INTEGER ResTable_type entriesStart OFFSET: 0x%x\n", entriesStart); 5937 continue; 5938 } 5939 uint32_t typeSize = dtohl(type->header.size); 5940 if ((typeSize&0x3) != 0) { 5941 printf(" NON-INTEGER ResTable_type header.size: 0x%x\n", typeSize); 5942 continue; 5943 } 5944 for (size_t entryIndex=0; entryIndex<entryCount; entryIndex++) { 5945 5946 const uint8_t* const end = ((const uint8_t*)type) 5947 + dtohl(type->header.size); 5948 const uint32_t* const eindex = (const uint32_t*) 5949 (((const uint8_t*)type) + dtohs(type->header.headerSize)); 5950 5951 uint32_t thisOffset = dtohl(eindex[entryIndex]); 5952 if (thisOffset == ResTable_type::NO_ENTRY) { 5953 continue; 5954 } 5955 5956 uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) 5957 | (0x00ff0000 & ((typeIndex+1)<<16)) 5958 | (0x0000ffff & (entryIndex)); 5959 resource_name resName; 5960 if (this->getResourceName(resID, true, &resName)) { 5961 String8 type8; 5962 String8 name8; 5963 if (resName.type8 != NULL) { 5964 type8 = String8(resName.type8, resName.typeLen); 5965 } else { 5966 type8 = String8(resName.type, resName.typeLen); 5967 } 5968 if (resName.name8 != NULL) { 5969 name8 = String8(resName.name8, resName.nameLen); 5970 } else { 5971 name8 = String8(resName.name, resName.nameLen); 5972 } 5973 printf(" resource 0x%08x %s:%s/%s: ", resID, 5974 CHAR16_TO_CSTR(resName.package, resName.packageLen), 5975 type8.string(), name8.string()); 5976 } else { 5977 printf(" INVALID RESOURCE 0x%08x: ", resID); 5978 } 5979 if ((thisOffset&0x3) != 0) { 5980 printf("NON-INTEGER OFFSET: 0x%x\n", thisOffset); 5981 continue; 5982 } 5983 if ((thisOffset+sizeof(ResTable_entry)) > typeSize) { 5984 printf("OFFSET OUT OF BOUNDS: 0x%x+0x%x (size is 0x%x)\n", 5985 entriesStart, thisOffset, typeSize); 5986 continue; 5987 } 5988 5989 const ResTable_entry* ent = (const ResTable_entry*) 5990 (((const uint8_t*)type) + entriesStart + thisOffset); 5991 if (((entriesStart + thisOffset)&0x3) != 0) { 5992 printf("NON-INTEGER ResTable_entry OFFSET: 0x%x\n", 5993 (entriesStart + thisOffset)); 5994 continue; 5995 } 5996 5997 uintptr_t esize = dtohs(ent->size); 5998 if ((esize&0x3) != 0) { 5999 printf("NON-INTEGER ResTable_entry SIZE: 0x%x\n", esize); 6000 continue; 6001 } 6002 if ((thisOffset+esize) > typeSize) { 6003 printf("ResTable_entry OUT OF BOUNDS: 0x%x+0x%x+0x%x (size is 0x%x)\n", 6004 entriesStart, thisOffset, esize, typeSize); 6005 continue; 6006 } 6007 6008 const Res_value* valuePtr = NULL; 6009 const ResTable_map_entry* bagPtr = NULL; 6010 Res_value value; 6011 if ((dtohs(ent->flags)&ResTable_entry::FLAG_COMPLEX) != 0) { 6012 printf("<bag>"); 6013 bagPtr = (const ResTable_map_entry*)ent; 6014 } else { 6015 valuePtr = (const Res_value*) 6016 (((const uint8_t*)ent) + esize); 6017 value.copyFrom_dtoh(*valuePtr); 6018 printf("t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)", 6019 (int)value.dataType, (int)value.data, 6020 (int)value.size, (int)value.res0); 6021 } 6022 6023 if ((dtohs(ent->flags)&ResTable_entry::FLAG_PUBLIC) != 0) { 6024 printf(" (PUBLIC)"); 6025 } 6026 printf("\n"); 6027 6028 if (inclValues) { 6029 if (valuePtr != NULL) { 6030 printf(" "); 6031 print_value(pkg, value); 6032 } else if (bagPtr != NULL) { 6033 const int N = dtohl(bagPtr->count); 6034 const uint8_t* baseMapPtr = (const uint8_t*)ent; 6035 size_t mapOffset = esize; 6036 const ResTable_map* mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); 6037 printf(" Parent=0x%08x, Count=%d\n", 6038 dtohl(bagPtr->parent.ident), N); 6039 for (int i=0; i<N && mapOffset < (typeSize-sizeof(ResTable_map)); i++) { 6040 printf(" #%i (Key=0x%08x): ", 6041 i, dtohl(mapPtr->name.ident)); 6042 value.copyFrom_dtoh(mapPtr->value); 6043 print_value(pkg, value); 6044 const size_t size = dtohs(mapPtr->value.size); 6045 mapOffset += size + sizeof(*mapPtr)-sizeof(mapPtr->value); 6046 mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); 6047 } 6048 } 6049 } 6050 } 6051 } 6052 } 6053 } 6054 } 6055} 6056 6057} // namespace android 6058