ResourceTypes.cpp revision 788fa41482b9d398591b7db8b0b01839029611ad
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 %p extends beyond resource end %p.", 105 name, (void*)size, 106 (void*)(dataEnd-((const uint8_t*)chunk))); 107 return BAD_TYPE; 108 } 109 ALOGW("%s size 0x%x or headerSize 0x%x is not on an integer boundary.", 110 name, (int)size, (int)headerSize); 111 return BAD_TYPE; 112 } 113 ALOGW("%s size %p is smaller than header size %p.", 114 name, (void*)size, (void*)(int)headerSize); 115 return BAD_TYPE; 116 } 117 ALOGW("%s header size %p is too small.", 118 name, (void*)(int)headerSize); 119 return BAD_TYPE; 120} 121 122inline void Res_value::copyFrom_dtoh(const Res_value& src) 123{ 124 size = dtohs(src.size); 125 res0 = src.res0; 126 dataType = src.dataType; 127 data = dtohl(src.data); 128} 129 130void Res_png_9patch::deviceToFile() 131{ 132 for (int i = 0; i < numXDivs; i++) { 133 xDivs[i] = htonl(xDivs[i]); 134 } 135 for (int i = 0; i < numYDivs; i++) { 136 yDivs[i] = htonl(yDivs[i]); 137 } 138 paddingLeft = htonl(paddingLeft); 139 paddingRight = htonl(paddingRight); 140 paddingTop = htonl(paddingTop); 141 paddingBottom = htonl(paddingBottom); 142 for (int i=0; i<numColors; i++) { 143 colors[i] = htonl(colors[i]); 144 } 145} 146 147void Res_png_9patch::fileToDevice() 148{ 149 for (int i = 0; i < numXDivs; i++) { 150 xDivs[i] = ntohl(xDivs[i]); 151 } 152 for (int i = 0; i < numYDivs; i++) { 153 yDivs[i] = ntohl(yDivs[i]); 154 } 155 paddingLeft = ntohl(paddingLeft); 156 paddingRight = ntohl(paddingRight); 157 paddingTop = ntohl(paddingTop); 158 paddingBottom = ntohl(paddingBottom); 159 for (int i=0; i<numColors; i++) { 160 colors[i] = ntohl(colors[i]); 161 } 162} 163 164size_t Res_png_9patch::serializedSize() 165{ 166 // The size of this struct is 32 bytes on the 32-bit target system 167 // 4 * int8_t 168 // 4 * int32_t 169 // 3 * pointer 170 return 32 171 + numXDivs * sizeof(int32_t) 172 + numYDivs * sizeof(int32_t) 173 + numColors * sizeof(uint32_t); 174} 175 176void* Res_png_9patch::serialize() 177{ 178 // Use calloc since we're going to leave a few holes in the data 179 // and want this to run cleanly under valgrind 180 void* newData = calloc(1, serializedSize()); 181 serialize(newData); 182 return newData; 183} 184 185void Res_png_9patch::serialize(void * outData) 186{ 187 char* data = (char*) outData; 188 memmove(data, &wasDeserialized, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 189 memmove(data + 12, &paddingLeft, 16); // copy paddingXXXX 190 data += 32; 191 192 memmove(data, this->xDivs, numXDivs * sizeof(int32_t)); 193 data += numXDivs * sizeof(int32_t); 194 memmove(data, this->yDivs, numYDivs * sizeof(int32_t)); 195 data += numYDivs * sizeof(int32_t); 196 memmove(data, this->colors, numColors * sizeof(uint32_t)); 197} 198 199static void deserializeInternal(const void* inData, Res_png_9patch* outData) { 200 char* patch = (char*) inData; 201 if (inData != outData) { 202 memmove(&outData->wasDeserialized, patch, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 203 memmove(&outData->paddingLeft, patch + 12, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors 204 } 205 outData->wasDeserialized = true; 206 char* data = (char*)outData; 207 data += sizeof(Res_png_9patch); 208 outData->xDivs = (int32_t*) data; 209 data += outData->numXDivs * sizeof(int32_t); 210 outData->yDivs = (int32_t*) data; 211 data += outData->numYDivs * sizeof(int32_t); 212 outData->colors = (uint32_t*) data; 213} 214 215static bool assertIdmapHeader(const uint32_t* map, size_t sizeBytes) 216{ 217 if (sizeBytes < ResTable::IDMAP_HEADER_SIZE_BYTES) { 218 ALOGW("idmap assertion failed: size=%d bytes\n", (int)sizeBytes); 219 return false; 220 } 221 if (*map != htodl(IDMAP_MAGIC)) { // htodl: map data expected to be in correct endianess 222 ALOGW("idmap assertion failed: invalid magic found (is 0x%08x, expected 0x%08x)\n", 223 *map, htodl(IDMAP_MAGIC)); 224 return false; 225 } 226 return true; 227} 228 229static status_t idmapLookup(const uint32_t* map, size_t sizeBytes, uint32_t key, uint32_t* outValue) 230{ 231 // see README for details on the format of map 232 if (!assertIdmapHeader(map, sizeBytes)) { 233 return UNKNOWN_ERROR; 234 } 235 map = map + IDMAP_HEADER_SIZE; // skip ahead to data segment 236 // size of data block, in uint32_t 237 const size_t size = (sizeBytes - ResTable::IDMAP_HEADER_SIZE_BYTES) / sizeof(uint32_t); 238 const uint32_t type = Res_GETTYPE(key) + 1; // add one, idmap stores "public" type id 239 const uint32_t entry = Res_GETENTRY(key); 240 const uint32_t typeCount = *map; 241 242 if (type > typeCount) { 243 ALOGW("Resource ID map: type=%d exceeds number of types=%d\n", type, typeCount); 244 return UNKNOWN_ERROR; 245 } 246 if (typeCount > size) { 247 ALOGW("Resource ID map: number of types=%d exceeds size of map=%d\n", typeCount, (int)size); 248 return UNKNOWN_ERROR; 249 } 250 const uint32_t typeOffset = map[type]; 251 if (typeOffset == 0) { 252 *outValue = 0; 253 return NO_ERROR; 254 } 255 if (typeOffset + 1 > size) { 256 ALOGW("Resource ID map: type offset=%d exceeds reasonable value, size of map=%d\n", 257 typeOffset, (int)size); 258 return UNKNOWN_ERROR; 259 } 260 const uint32_t entryCount = map[typeOffset]; 261 const uint32_t entryOffset = map[typeOffset + 1]; 262 if (entryCount == 0 || entry < entryOffset || entry - entryOffset > entryCount - 1) { 263 *outValue = 0; 264 return NO_ERROR; 265 } 266 const uint32_t index = typeOffset + 2 + entry - entryOffset; 267 if (index > size) { 268 ALOGW("Resource ID map: entry index=%d exceeds size of map=%d\n", index, (int)size); 269 *outValue = 0; 270 return NO_ERROR; 271 } 272 *outValue = map[index]; 273 274 return NO_ERROR; 275} 276 277static status_t getIdmapPackageId(const uint32_t* map, size_t mapSize, uint32_t *outId) 278{ 279 if (!assertIdmapHeader(map, mapSize)) { 280 return UNKNOWN_ERROR; 281 } 282 if (mapSize <= IDMAP_HEADER_SIZE + 1) { 283 ALOGW("corrupt idmap: map size %d too short\n", mapSize); 284 return UNKNOWN_ERROR; 285 } 286 uint32_t typeCount = *(map + IDMAP_HEADER_SIZE); 287 if (typeCount == 0) { 288 ALOGW("corrupt idmap: no types\n"); 289 return UNKNOWN_ERROR; 290 } 291 if (IDMAP_HEADER_SIZE + 1 + typeCount > mapSize) { 292 ALOGW("corrupt idmap: number of types %d extends past idmap size %d\n", typeCount, mapSize); 293 return UNKNOWN_ERROR; 294 } 295 const uint32_t* p = map + IDMAP_HEADER_SIZE + 1; 296 // find first defined type 297 while (*p == 0) { 298 ++p; 299 if (--typeCount == 0) { 300 ALOGW("corrupt idmap: types declared, none found\n"); 301 return UNKNOWN_ERROR; 302 } 303 } 304 305 // determine package id from first entry of first type 306 const uint32_t offset = *p + IDMAP_HEADER_SIZE + 2; 307 if (offset > mapSize) { 308 ALOGW("corrupt idmap: entry offset %d points outside map size %d\n", offset, mapSize); 309 return UNKNOWN_ERROR; 310 } 311 *outId = (map[offset] >> 24) & 0x000000ff; 312 313 return NO_ERROR; 314} 315 316Res_png_9patch* Res_png_9patch::deserialize(const void* inData) 317{ 318 if (sizeof(void*) != sizeof(int32_t)) { 319 ALOGE("Cannot deserialize on non 32-bit system\n"); 320 return NULL; 321 } 322 deserializeInternal(inData, (Res_png_9patch*) inData); 323 return (Res_png_9patch*) inData; 324} 325 326// -------------------------------------------------------------------- 327// -------------------------------------------------------------------- 328// -------------------------------------------------------------------- 329 330ResStringPool::ResStringPool() 331 : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) 332{ 333} 334 335ResStringPool::ResStringPool(const void* data, size_t size, bool copyData) 336 : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) 337{ 338 setTo(data, size, copyData); 339} 340 341ResStringPool::~ResStringPool() 342{ 343 uninit(); 344} 345 346status_t ResStringPool::setTo(const void* data, size_t size, bool copyData) 347{ 348 if (!data || !size) { 349 return (mError=BAD_TYPE); 350 } 351 352 uninit(); 353 354 const bool notDeviceEndian = htods(0xf0) != 0xf0; 355 356 if (copyData || notDeviceEndian) { 357 mOwnedData = malloc(size); 358 if (mOwnedData == NULL) { 359 return (mError=NO_MEMORY); 360 } 361 memcpy(mOwnedData, data, size); 362 data = mOwnedData; 363 } 364 365 mHeader = (const ResStringPool_header*)data; 366 367 if (notDeviceEndian) { 368 ResStringPool_header* h = const_cast<ResStringPool_header*>(mHeader); 369 h->header.headerSize = dtohs(mHeader->header.headerSize); 370 h->header.type = dtohs(mHeader->header.type); 371 h->header.size = dtohl(mHeader->header.size); 372 h->stringCount = dtohl(mHeader->stringCount); 373 h->styleCount = dtohl(mHeader->styleCount); 374 h->flags = dtohl(mHeader->flags); 375 h->stringsStart = dtohl(mHeader->stringsStart); 376 h->stylesStart = dtohl(mHeader->stylesStart); 377 } 378 379 if (mHeader->header.headerSize > mHeader->header.size 380 || mHeader->header.size > size) { 381 ALOGW("Bad string block: header size %d or total size %d is larger than data size %d\n", 382 (int)mHeader->header.headerSize, (int)mHeader->header.size, (int)size); 383 return (mError=BAD_TYPE); 384 } 385 mSize = mHeader->header.size; 386 mEntries = (const uint32_t*) 387 (((const uint8_t*)data)+mHeader->header.headerSize); 388 389 if (mHeader->stringCount > 0) { 390 if ((mHeader->stringCount*sizeof(uint32_t) < mHeader->stringCount) // uint32 overflow? 391 || (mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))) 392 > size) { 393 ALOGW("Bad string block: entry of %d items extends past data size %d\n", 394 (int)(mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))), 395 (int)size); 396 return (mError=BAD_TYPE); 397 } 398 399 size_t charSize; 400 if (mHeader->flags&ResStringPool_header::UTF8_FLAG) { 401 charSize = sizeof(uint8_t); 402 } else { 403 charSize = sizeof(char16_t); 404 } 405 406 mStrings = (const void*) 407 (((const uint8_t*)data)+mHeader->stringsStart); 408 if (mHeader->stringsStart >= (mHeader->header.size-sizeof(uint16_t))) { 409 ALOGW("Bad string block: string pool starts at %d, after total size %d\n", 410 (int)mHeader->stringsStart, (int)mHeader->header.size); 411 return (mError=BAD_TYPE); 412 } 413 if (mHeader->styleCount == 0) { 414 mStringPoolSize = 415 (mHeader->header.size-mHeader->stringsStart)/charSize; 416 } else { 417 // check invariant: styles starts before end of data 418 if (mHeader->stylesStart >= (mHeader->header.size-sizeof(uint16_t))) { 419 ALOGW("Bad style block: style block starts at %d past data size of %d\n", 420 (int)mHeader->stylesStart, (int)mHeader->header.size); 421 return (mError=BAD_TYPE); 422 } 423 // check invariant: styles follow the strings 424 if (mHeader->stylesStart <= mHeader->stringsStart) { 425 ALOGW("Bad style block: style block starts at %d, before strings at %d\n", 426 (int)mHeader->stylesStart, (int)mHeader->stringsStart); 427 return (mError=BAD_TYPE); 428 } 429 mStringPoolSize = 430 (mHeader->stylesStart-mHeader->stringsStart)/charSize; 431 } 432 433 // check invariant: stringCount > 0 requires a string pool to exist 434 if (mStringPoolSize == 0) { 435 ALOGW("Bad string block: stringCount is %d but pool size is 0\n", (int)mHeader->stringCount); 436 return (mError=BAD_TYPE); 437 } 438 439 if (notDeviceEndian) { 440 size_t i; 441 uint32_t* e = const_cast<uint32_t*>(mEntries); 442 for (i=0; i<mHeader->stringCount; i++) { 443 e[i] = dtohl(mEntries[i]); 444 } 445 if (!(mHeader->flags&ResStringPool_header::UTF8_FLAG)) { 446 const char16_t* strings = (const char16_t*)mStrings; 447 char16_t* s = const_cast<char16_t*>(strings); 448 for (i=0; i<mStringPoolSize; i++) { 449 s[i] = dtohs(strings[i]); 450 } 451 } 452 } 453 454 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG && 455 ((uint8_t*)mStrings)[mStringPoolSize-1] != 0) || 456 (!mHeader->flags&ResStringPool_header::UTF8_FLAG && 457 ((char16_t*)mStrings)[mStringPoolSize-1] != 0)) { 458 ALOGW("Bad string block: last string is not 0-terminated\n"); 459 return (mError=BAD_TYPE); 460 } 461 } else { 462 mStrings = NULL; 463 mStringPoolSize = 0; 464 } 465 466 if (mHeader->styleCount > 0) { 467 mEntryStyles = mEntries + mHeader->stringCount; 468 // invariant: integer overflow in calculating mEntryStyles 469 if (mEntryStyles < mEntries) { 470 ALOGW("Bad string block: integer overflow finding styles\n"); 471 return (mError=BAD_TYPE); 472 } 473 474 if (((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader) > (int)size) { 475 ALOGW("Bad string block: entry of %d styles extends past data size %d\n", 476 (int)((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader), 477 (int)size); 478 return (mError=BAD_TYPE); 479 } 480 mStyles = (const uint32_t*) 481 (((const uint8_t*)data)+mHeader->stylesStart); 482 if (mHeader->stylesStart >= mHeader->header.size) { 483 ALOGW("Bad string block: style pool starts %d, after total size %d\n", 484 (int)mHeader->stylesStart, (int)mHeader->header.size); 485 return (mError=BAD_TYPE); 486 } 487 mStylePoolSize = 488 (mHeader->header.size-mHeader->stylesStart)/sizeof(uint32_t); 489 490 if (notDeviceEndian) { 491 size_t i; 492 uint32_t* e = const_cast<uint32_t*>(mEntryStyles); 493 for (i=0; i<mHeader->styleCount; i++) { 494 e[i] = dtohl(mEntryStyles[i]); 495 } 496 uint32_t* s = const_cast<uint32_t*>(mStyles); 497 for (i=0; i<mStylePoolSize; i++) { 498 s[i] = dtohl(mStyles[i]); 499 } 500 } 501 502 const ResStringPool_span endSpan = { 503 { htodl(ResStringPool_span::END) }, 504 htodl(ResStringPool_span::END), htodl(ResStringPool_span::END) 505 }; 506 if (memcmp(&mStyles[mStylePoolSize-(sizeof(endSpan)/sizeof(uint32_t))], 507 &endSpan, sizeof(endSpan)) != 0) { 508 ALOGW("Bad string block: last style is not 0xFFFFFFFF-terminated\n"); 509 return (mError=BAD_TYPE); 510 } 511 } else { 512 mEntryStyles = NULL; 513 mStyles = NULL; 514 mStylePoolSize = 0; 515 } 516 517 return (mError=NO_ERROR); 518} 519 520status_t ResStringPool::getError() const 521{ 522 return mError; 523} 524 525void ResStringPool::uninit() 526{ 527 mError = NO_INIT; 528 if (mHeader != NULL && mCache != NULL) { 529 for (size_t x = 0; x < mHeader->stringCount; x++) { 530 if (mCache[x] != NULL) { 531 free(mCache[x]); 532 mCache[x] = NULL; 533 } 534 } 535 free(mCache); 536 mCache = NULL; 537 } 538 if (mOwnedData) { 539 free(mOwnedData); 540 mOwnedData = NULL; 541 } 542} 543 544/** 545 * Strings in UTF-16 format have length indicated by a length encoded in the 546 * stored data. It is either 1 or 2 characters of length data. This allows a 547 * maximum length of 0x7FFFFFF (2147483647 bytes), but if you're storing that 548 * much data in a string, you're abusing them. 549 * 550 * If the high bit is set, then there are two characters or 4 bytes of length 551 * data encoded. In that case, drop the high bit of the first character and 552 * add it together with the next character. 553 */ 554static inline size_t 555decodeLength(const char16_t** str) 556{ 557 size_t len = **str; 558 if ((len & 0x8000) != 0) { 559 (*str)++; 560 len = ((len & 0x7FFF) << 16) | **str; 561 } 562 (*str)++; 563 return len; 564} 565 566/** 567 * Strings in UTF-8 format have length indicated by a length encoded in the 568 * stored data. It is either 1 or 2 characters of length data. This allows a 569 * maximum length of 0x7FFF (32767 bytes), but you should consider storing 570 * text in another way if you're using that much data in a single string. 571 * 572 * If the high bit is set, then there are two characters or 2 bytes of length 573 * data encoded. In that case, drop the high bit of the first character and 574 * add it together with the next character. 575 */ 576static inline size_t 577decodeLength(const uint8_t** str) 578{ 579 size_t len = **str; 580 if ((len & 0x80) != 0) { 581 (*str)++; 582 len = ((len & 0x7F) << 8) | **str; 583 } 584 (*str)++; 585 return len; 586} 587 588const uint16_t* ResStringPool::stringAt(size_t idx, size_t* u16len) const 589{ 590 if (mError == NO_ERROR && idx < mHeader->stringCount) { 591 const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; 592 const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); 593 if (off < (mStringPoolSize-1)) { 594 if (!isUTF8) { 595 const char16_t* strings = (char16_t*)mStrings; 596 const char16_t* str = strings+off; 597 598 *u16len = decodeLength(&str); 599 if ((uint32_t)(str+*u16len-strings) < mStringPoolSize) { 600 return str; 601 } else { 602 ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", 603 (int)idx, (int)(str+*u16len-strings), (int)mStringPoolSize); 604 } 605 } else { 606 const uint8_t* strings = (uint8_t*)mStrings; 607 const uint8_t* u8str = strings+off; 608 609 *u16len = decodeLength(&u8str); 610 size_t u8len = decodeLength(&u8str); 611 612 // encLen must be less than 0x7FFF due to encoding. 613 if ((uint32_t)(u8str+u8len-strings) < mStringPoolSize) { 614 AutoMutex lock(mDecodeLock); 615 616 if (mCache == NULL) { 617#ifndef HAVE_ANDROID_OS 618 STRING_POOL_NOISY(ALOGI("CREATING STRING CACHE OF %d bytes", 619 mHeader->stringCount*sizeof(char16_t**))); 620#else 621 // We do not want to be in this case when actually running Android. 622 ALOGW("CREATING STRING CACHE OF %d bytes", 623 mHeader->stringCount*sizeof(char16_t**)); 624#endif 625 mCache = (char16_t**)calloc(mHeader->stringCount, sizeof(char16_t**)); 626 if (mCache == NULL) { 627 ALOGW("No memory trying to allocate decode cache table of %d bytes\n", 628 (int)(mHeader->stringCount*sizeof(char16_t**))); 629 return NULL; 630 } 631 } 632 633 if (mCache[idx] != NULL) { 634 return mCache[idx]; 635 } 636 637 ssize_t actualLen = utf8_to_utf16_length(u8str, u8len); 638 if (actualLen < 0 || (size_t)actualLen != *u16len) { 639 ALOGW("Bad string block: string #%lld decoded length is not correct " 640 "%lld vs %llu\n", 641 (long long)idx, (long long)actualLen, (long long)*u16len); 642 return NULL; 643 } 644 645 char16_t *u16str = (char16_t *)calloc(*u16len+1, sizeof(char16_t)); 646 if (!u16str) { 647 ALOGW("No memory when trying to allocate decode cache for string #%d\n", 648 (int)idx); 649 return NULL; 650 } 651 652 STRING_POOL_NOISY(ALOGI("Caching UTF8 string: %s", u8str)); 653 utf8_to_utf16(u8str, u8len, u16str); 654 mCache[idx] = u16str; 655 return u16str; 656 } else { 657 ALOGW("Bad string block: string #%lld extends to %lld, past end at %lld\n", 658 (long long)idx, (long long)(u8str+u8len-strings), 659 (long long)mStringPoolSize); 660 } 661 } 662 } else { 663 ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", 664 (int)idx, (int)(off*sizeof(uint16_t)), 665 (int)(mStringPoolSize*sizeof(uint16_t))); 666 } 667 } 668 return NULL; 669} 670 671const char* ResStringPool::string8At(size_t idx, size_t* outLen) const 672{ 673 if (mError == NO_ERROR && idx < mHeader->stringCount) { 674 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG) == 0) { 675 return NULL; 676 } 677 const uint32_t off = mEntries[idx]/sizeof(char); 678 if (off < (mStringPoolSize-1)) { 679 const uint8_t* strings = (uint8_t*)mStrings; 680 const uint8_t* str = strings+off; 681 *outLen = decodeLength(&str); 682 size_t encLen = decodeLength(&str); 683 if ((uint32_t)(str+encLen-strings) < mStringPoolSize) { 684 return (const char*)str; 685 } else { 686 ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", 687 (int)idx, (int)(str+encLen-strings), (int)mStringPoolSize); 688 } 689 } else { 690 ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", 691 (int)idx, (int)(off*sizeof(uint16_t)), 692 (int)(mStringPoolSize*sizeof(uint16_t))); 693 } 694 } 695 return NULL; 696} 697 698const String8 ResStringPool::string8ObjectAt(size_t idx) const 699{ 700 size_t len; 701 const char *str = (const char*)string8At(idx, &len); 702 if (str != NULL) { 703 return String8(str); 704 } 705 return String8(stringAt(idx, &len)); 706} 707 708const ResStringPool_span* ResStringPool::styleAt(const ResStringPool_ref& ref) const 709{ 710 return styleAt(ref.index); 711} 712 713const ResStringPool_span* ResStringPool::styleAt(size_t idx) const 714{ 715 if (mError == NO_ERROR && idx < mHeader->styleCount) { 716 const uint32_t off = (mEntryStyles[idx]/sizeof(uint32_t)); 717 if (off < mStylePoolSize) { 718 return (const ResStringPool_span*)(mStyles+off); 719 } else { 720 ALOGW("Bad string block: style #%d entry is at %d, past end at %d\n", 721 (int)idx, (int)(off*sizeof(uint32_t)), 722 (int)(mStylePoolSize*sizeof(uint32_t))); 723 } 724 } 725 return NULL; 726} 727 728ssize_t ResStringPool::indexOfString(const char16_t* str, size_t strLen) const 729{ 730 if (mError != NO_ERROR) { 731 return mError; 732 } 733 734 size_t len; 735 736 if ((mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0) { 737 STRING_POOL_NOISY(ALOGI("indexOfString UTF-8: %s", String8(str, strLen).string())); 738 739 // The string pool contains UTF 8 strings; we don't want to cause 740 // temporary UTF-16 strings to be created as we search. 741 if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { 742 // Do a binary search for the string... this is a little tricky, 743 // because the strings are sorted with strzcmp16(). So to match 744 // the ordering, we need to convert strings in the pool to UTF-16. 745 // But we don't want to hit the cache, so instead we will have a 746 // local temporary allocation for the conversions. 747 char16_t* convBuffer = (char16_t*)malloc(strLen+4); 748 ssize_t l = 0; 749 ssize_t h = mHeader->stringCount-1; 750 751 ssize_t mid; 752 while (l <= h) { 753 mid = l + (h - l)/2; 754 const uint8_t* s = (const uint8_t*)string8At(mid, &len); 755 int c; 756 if (s != NULL) { 757 char16_t* end = utf8_to_utf16_n(s, len, convBuffer, strLen+3); 758 *end = 0; 759 c = strzcmp16(convBuffer, end-convBuffer, str, strLen); 760 } else { 761 c = -1; 762 } 763 STRING_POOL_NOISY(ALOGI("Looking at %s, cmp=%d, l/mid/h=%d/%d/%d\n", 764 (const char*)s, c, (int)l, (int)mid, (int)h)); 765 if (c == 0) { 766 STRING_POOL_NOISY(ALOGI("MATCH!")); 767 free(convBuffer); 768 return mid; 769 } else if (c < 0) { 770 l = mid + 1; 771 } else { 772 h = mid - 1; 773 } 774 } 775 free(convBuffer); 776 } else { 777 // It is unusual to get the ID from an unsorted string block... 778 // most often this happens because we want to get IDs for style 779 // span tags; since those always appear at the end of the string 780 // block, start searching at the back. 781 String8 str8(str, strLen); 782 const size_t str8Len = str8.size(); 783 for (int i=mHeader->stringCount-1; i>=0; i--) { 784 const char* s = string8At(i, &len); 785 STRING_POOL_NOISY(ALOGI("Looking at %s, i=%d\n", 786 String8(s).string(), 787 i)); 788 if (s && str8Len == len && memcmp(s, str8.string(), str8Len) == 0) { 789 STRING_POOL_NOISY(ALOGI("MATCH!")); 790 return i; 791 } 792 } 793 } 794 795 } else { 796 STRING_POOL_NOISY(ALOGI("indexOfString UTF-16: %s", String8(str, strLen).string())); 797 798 if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { 799 // Do a binary search for the string... 800 ssize_t l = 0; 801 ssize_t h = mHeader->stringCount-1; 802 803 ssize_t mid; 804 while (l <= h) { 805 mid = l + (h - l)/2; 806 const char16_t* s = stringAt(mid, &len); 807 int c = s ? strzcmp16(s, len, str, strLen) : -1; 808 STRING_POOL_NOISY(ALOGI("Looking at %s, cmp=%d, l/mid/h=%d/%d/%d\n", 809 String8(s).string(), 810 c, (int)l, (int)mid, (int)h)); 811 if (c == 0) { 812 STRING_POOL_NOISY(ALOGI("MATCH!")); 813 return mid; 814 } else if (c < 0) { 815 l = mid + 1; 816 } else { 817 h = mid - 1; 818 } 819 } 820 } else { 821 // It is unusual to get the ID from an unsorted string block... 822 // most often this happens because we want to get IDs for style 823 // span tags; since those always appear at the end of the string 824 // block, start searching at the back. 825 for (int i=mHeader->stringCount-1; i>=0; i--) { 826 const char16_t* s = stringAt(i, &len); 827 STRING_POOL_NOISY(ALOGI("Looking at %s, i=%d\n", 828 String8(s).string(), 829 i)); 830 if (s && strLen == len && strzcmp16(s, len, str, strLen) == 0) { 831 STRING_POOL_NOISY(ALOGI("MATCH!")); 832 return i; 833 } 834 } 835 } 836 } 837 838 return NAME_NOT_FOUND; 839} 840 841size_t ResStringPool::size() const 842{ 843 return (mError == NO_ERROR) ? mHeader->stringCount : 0; 844} 845 846size_t ResStringPool::styleCount() const 847{ 848 return (mError == NO_ERROR) ? mHeader->styleCount : 0; 849} 850 851size_t ResStringPool::bytes() const 852{ 853 return (mError == NO_ERROR) ? mHeader->header.size : 0; 854} 855 856bool ResStringPool::isSorted() const 857{ 858 return (mHeader->flags&ResStringPool_header::SORTED_FLAG)!=0; 859} 860 861bool ResStringPool::isUTF8() const 862{ 863 return (mHeader->flags&ResStringPool_header::UTF8_FLAG)!=0; 864} 865 866// -------------------------------------------------------------------- 867// -------------------------------------------------------------------- 868// -------------------------------------------------------------------- 869 870ResXMLParser::ResXMLParser(const ResXMLTree& tree) 871 : mTree(tree), mEventCode(BAD_DOCUMENT) 872{ 873} 874 875void ResXMLParser::restart() 876{ 877 mCurNode = NULL; 878 mEventCode = mTree.mError == NO_ERROR ? START_DOCUMENT : BAD_DOCUMENT; 879} 880const ResStringPool& ResXMLParser::getStrings() const 881{ 882 return mTree.mStrings; 883} 884 885ResXMLParser::event_code_t ResXMLParser::getEventType() const 886{ 887 return mEventCode; 888} 889 890ResXMLParser::event_code_t ResXMLParser::next() 891{ 892 if (mEventCode == START_DOCUMENT) { 893 mCurNode = mTree.mRootNode; 894 mCurExt = mTree.mRootExt; 895 return (mEventCode=mTree.mRootCode); 896 } else if (mEventCode >= FIRST_CHUNK_CODE) { 897 return nextNode(); 898 } 899 return mEventCode; 900} 901 902int32_t ResXMLParser::getCommentID() const 903{ 904 return mCurNode != NULL ? dtohl(mCurNode->comment.index) : -1; 905} 906 907const uint16_t* ResXMLParser::getComment(size_t* outLen) const 908{ 909 int32_t id = getCommentID(); 910 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 911} 912 913uint32_t ResXMLParser::getLineNumber() const 914{ 915 return mCurNode != NULL ? dtohl(mCurNode->lineNumber) : -1; 916} 917 918int32_t ResXMLParser::getTextID() const 919{ 920 if (mEventCode == TEXT) { 921 return dtohl(((const ResXMLTree_cdataExt*)mCurExt)->data.index); 922 } 923 return -1; 924} 925 926const uint16_t* ResXMLParser::getText(size_t* outLen) const 927{ 928 int32_t id = getTextID(); 929 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 930} 931 932ssize_t ResXMLParser::getTextValue(Res_value* outValue) const 933{ 934 if (mEventCode == TEXT) { 935 outValue->copyFrom_dtoh(((const ResXMLTree_cdataExt*)mCurExt)->typedData); 936 return sizeof(Res_value); 937 } 938 return BAD_TYPE; 939} 940 941int32_t ResXMLParser::getNamespacePrefixID() const 942{ 943 if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { 944 return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->prefix.index); 945 } 946 return -1; 947} 948 949const uint16_t* ResXMLParser::getNamespacePrefix(size_t* outLen) const 950{ 951 int32_t id = getNamespacePrefixID(); 952 //printf("prefix=%d event=%p\n", id, mEventCode); 953 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 954} 955 956int32_t ResXMLParser::getNamespaceUriID() const 957{ 958 if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { 959 return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->uri.index); 960 } 961 return -1; 962} 963 964const uint16_t* ResXMLParser::getNamespaceUri(size_t* outLen) const 965{ 966 int32_t id = getNamespaceUriID(); 967 //printf("uri=%d event=%p\n", id, mEventCode); 968 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 969} 970 971int32_t ResXMLParser::getElementNamespaceID() const 972{ 973 if (mEventCode == START_TAG) { 974 return dtohl(((const ResXMLTree_attrExt*)mCurExt)->ns.index); 975 } 976 if (mEventCode == END_TAG) { 977 return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->ns.index); 978 } 979 return -1; 980} 981 982const uint16_t* ResXMLParser::getElementNamespace(size_t* outLen) const 983{ 984 int32_t id = getElementNamespaceID(); 985 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 986} 987 988int32_t ResXMLParser::getElementNameID() const 989{ 990 if (mEventCode == START_TAG) { 991 return dtohl(((const ResXMLTree_attrExt*)mCurExt)->name.index); 992 } 993 if (mEventCode == END_TAG) { 994 return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->name.index); 995 } 996 return -1; 997} 998 999const uint16_t* ResXMLParser::getElementName(size_t* outLen) const 1000{ 1001 int32_t id = getElementNameID(); 1002 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1003} 1004 1005size_t ResXMLParser::getAttributeCount() const 1006{ 1007 if (mEventCode == START_TAG) { 1008 return dtohs(((const ResXMLTree_attrExt*)mCurExt)->attributeCount); 1009 } 1010 return 0; 1011} 1012 1013int32_t ResXMLParser::getAttributeNamespaceID(size_t idx) const 1014{ 1015 if (mEventCode == START_TAG) { 1016 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1017 if (idx < dtohs(tag->attributeCount)) { 1018 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1019 (((const uint8_t*)tag) 1020 + dtohs(tag->attributeStart) 1021 + (dtohs(tag->attributeSize)*idx)); 1022 return dtohl(attr->ns.index); 1023 } 1024 } 1025 return -2; 1026} 1027 1028const uint16_t* ResXMLParser::getAttributeNamespace(size_t idx, size_t* outLen) const 1029{ 1030 int32_t id = getAttributeNamespaceID(idx); 1031 //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); 1032 //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id)); 1033 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1034} 1035 1036const char* ResXMLParser::getAttributeNamespace8(size_t idx, size_t* outLen) const 1037{ 1038 int32_t id = getAttributeNamespaceID(idx); 1039 //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); 1040 //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id)); 1041 return id >= 0 ? mTree.mStrings.string8At(id, outLen) : NULL; 1042} 1043 1044int32_t ResXMLParser::getAttributeNameID(size_t idx) const 1045{ 1046 if (mEventCode == START_TAG) { 1047 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1048 if (idx < dtohs(tag->attributeCount)) { 1049 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1050 (((const uint8_t*)tag) 1051 + dtohs(tag->attributeStart) 1052 + (dtohs(tag->attributeSize)*idx)); 1053 return dtohl(attr->name.index); 1054 } 1055 } 1056 return -1; 1057} 1058 1059const uint16_t* ResXMLParser::getAttributeName(size_t idx, size_t* outLen) const 1060{ 1061 int32_t id = getAttributeNameID(idx); 1062 //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); 1063 //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id)); 1064 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1065} 1066 1067const char* ResXMLParser::getAttributeName8(size_t idx, size_t* outLen) const 1068{ 1069 int32_t id = getAttributeNameID(idx); 1070 //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); 1071 //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id)); 1072 return id >= 0 ? mTree.mStrings.string8At(id, outLen) : NULL; 1073} 1074 1075uint32_t ResXMLParser::getAttributeNameResID(size_t idx) const 1076{ 1077 int32_t id = getAttributeNameID(idx); 1078 if (id >= 0 && (size_t)id < mTree.mNumResIds) { 1079 return dtohl(mTree.mResIds[id]); 1080 } 1081 return 0; 1082} 1083 1084int32_t ResXMLParser::getAttributeValueStringID(size_t idx) const 1085{ 1086 if (mEventCode == START_TAG) { 1087 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1088 if (idx < dtohs(tag->attributeCount)) { 1089 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1090 (((const uint8_t*)tag) 1091 + dtohs(tag->attributeStart) 1092 + (dtohs(tag->attributeSize)*idx)); 1093 return dtohl(attr->rawValue.index); 1094 } 1095 } 1096 return -1; 1097} 1098 1099const uint16_t* ResXMLParser::getAttributeStringValue(size_t idx, size_t* outLen) const 1100{ 1101 int32_t id = getAttributeValueStringID(idx); 1102 //XML_NOISY(printf("getAttributeValue 0x%x=0x%x\n", idx, id)); 1103 return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; 1104} 1105 1106int32_t ResXMLParser::getAttributeDataType(size_t idx) const 1107{ 1108 if (mEventCode == START_TAG) { 1109 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1110 if (idx < dtohs(tag->attributeCount)) { 1111 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1112 (((const uint8_t*)tag) 1113 + dtohs(tag->attributeStart) 1114 + (dtohs(tag->attributeSize)*idx)); 1115 return attr->typedValue.dataType; 1116 } 1117 } 1118 return Res_value::TYPE_NULL; 1119} 1120 1121int32_t ResXMLParser::getAttributeData(size_t idx) const 1122{ 1123 if (mEventCode == START_TAG) { 1124 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1125 if (idx < dtohs(tag->attributeCount)) { 1126 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1127 (((const uint8_t*)tag) 1128 + dtohs(tag->attributeStart) 1129 + (dtohs(tag->attributeSize)*idx)); 1130 return dtohl(attr->typedValue.data); 1131 } 1132 } 1133 return 0; 1134} 1135 1136ssize_t ResXMLParser::getAttributeValue(size_t idx, Res_value* outValue) const 1137{ 1138 if (mEventCode == START_TAG) { 1139 const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; 1140 if (idx < dtohs(tag->attributeCount)) { 1141 const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) 1142 (((const uint8_t*)tag) 1143 + dtohs(tag->attributeStart) 1144 + (dtohs(tag->attributeSize)*idx)); 1145 outValue->copyFrom_dtoh(attr->typedValue); 1146 return sizeof(Res_value); 1147 } 1148 } 1149 return BAD_TYPE; 1150} 1151 1152ssize_t ResXMLParser::indexOfAttribute(const char* ns, const char* attr) const 1153{ 1154 String16 nsStr(ns != NULL ? ns : ""); 1155 String16 attrStr(attr); 1156 return indexOfAttribute(ns ? nsStr.string() : NULL, ns ? nsStr.size() : 0, 1157 attrStr.string(), attrStr.size()); 1158} 1159 1160ssize_t ResXMLParser::indexOfAttribute(const char16_t* ns, size_t nsLen, 1161 const char16_t* attr, size_t attrLen) const 1162{ 1163 if (mEventCode == START_TAG) { 1164 if (attr == NULL) { 1165 return NAME_NOT_FOUND; 1166 } 1167 const size_t N = getAttributeCount(); 1168 if (mTree.mStrings.isUTF8()) { 1169 String8 ns8, attr8; 1170 if (ns != NULL) { 1171 ns8 = String8(ns, nsLen); 1172 } 1173 attr8 = String8(attr, attrLen); 1174 STRING_POOL_NOISY(ALOGI("indexOfAttribute UTF8 %s (%d) / %s (%d)", ns8.string(), nsLen, 1175 attr8.string(), attrLen)); 1176 for (size_t i=0; i<N; i++) { 1177 size_t curNsLen = 0, curAttrLen = 0; 1178 const char* curNs = getAttributeNamespace8(i, &curNsLen); 1179 const char* curAttr = getAttributeName8(i, &curAttrLen); 1180 STRING_POOL_NOISY(ALOGI(" curNs=%s (%d), curAttr=%s (%d)", curNs, curNsLen, 1181 curAttr, curAttrLen)); 1182 if (curAttr != NULL && curNsLen == nsLen && curAttrLen == attrLen 1183 && memcmp(attr8.string(), curAttr, attrLen) == 0) { 1184 if (ns == NULL) { 1185 if (curNs == NULL) { 1186 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1187 return i; 1188 } 1189 } else if (curNs != NULL) { 1190 //printf(" --> ns=%s, curNs=%s\n", 1191 // String8(ns).string(), String8(curNs).string()); 1192 if (memcmp(ns8.string(), curNs, nsLen) == 0) { 1193 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1194 return i; 1195 } 1196 } 1197 } 1198 } 1199 } else { 1200 STRING_POOL_NOISY(ALOGI("indexOfAttribute UTF16 %s (%d) / %s (%d)", 1201 String8(ns, nsLen).string(), nsLen, 1202 String8(attr, attrLen).string(), attrLen)); 1203 for (size_t i=0; i<N; i++) { 1204 size_t curNsLen = 0, curAttrLen = 0; 1205 const char16_t* curNs = getAttributeNamespace(i, &curNsLen); 1206 const char16_t* curAttr = getAttributeName(i, &curAttrLen); 1207 STRING_POOL_NOISY(ALOGI(" curNs=%s (%d), curAttr=%s (%d)", 1208 String8(curNs, curNsLen).string(), curNsLen, 1209 String8(curAttr, curAttrLen).string(), curAttrLen)); 1210 if (curAttr != NULL && curNsLen == nsLen && curAttrLen == attrLen 1211 && (memcmp(attr, curAttr, attrLen*sizeof(char16_t)) == 0)) { 1212 if (ns == NULL) { 1213 if (curNs == NULL) { 1214 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1215 return i; 1216 } 1217 } else if (curNs != NULL) { 1218 //printf(" --> ns=%s, curNs=%s\n", 1219 // String8(ns).string(), String8(curNs).string()); 1220 if (memcmp(ns, curNs, nsLen*sizeof(char16_t)) == 0) { 1221 STRING_POOL_NOISY(ALOGI(" FOUND!")); 1222 return i; 1223 } 1224 } 1225 } 1226 } 1227 } 1228 } 1229 1230 return NAME_NOT_FOUND; 1231} 1232 1233ssize_t ResXMLParser::indexOfID() const 1234{ 1235 if (mEventCode == START_TAG) { 1236 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->idIndex); 1237 if (idx > 0) return (idx-1); 1238 } 1239 return NAME_NOT_FOUND; 1240} 1241 1242ssize_t ResXMLParser::indexOfClass() const 1243{ 1244 if (mEventCode == START_TAG) { 1245 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->classIndex); 1246 if (idx > 0) return (idx-1); 1247 } 1248 return NAME_NOT_FOUND; 1249} 1250 1251ssize_t ResXMLParser::indexOfStyle() const 1252{ 1253 if (mEventCode == START_TAG) { 1254 const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->styleIndex); 1255 if (idx > 0) return (idx-1); 1256 } 1257 return NAME_NOT_FOUND; 1258} 1259 1260ResXMLParser::event_code_t ResXMLParser::nextNode() 1261{ 1262 if (mEventCode < 0) { 1263 return mEventCode; 1264 } 1265 1266 do { 1267 const ResXMLTree_node* next = (const ResXMLTree_node*) 1268 (((const uint8_t*)mCurNode) + dtohl(mCurNode->header.size)); 1269 //ALOGW("Next node: prev=%p, next=%p\n", mCurNode, next); 1270 1271 if (((const uint8_t*)next) >= mTree.mDataEnd) { 1272 mCurNode = NULL; 1273 return (mEventCode=END_DOCUMENT); 1274 } 1275 1276 if (mTree.validateNode(next) != NO_ERROR) { 1277 mCurNode = NULL; 1278 return (mEventCode=BAD_DOCUMENT); 1279 } 1280 1281 mCurNode = next; 1282 const uint16_t headerSize = dtohs(next->header.headerSize); 1283 const uint32_t totalSize = dtohl(next->header.size); 1284 mCurExt = ((const uint8_t*)next) + headerSize; 1285 size_t minExtSize = 0; 1286 event_code_t eventCode = (event_code_t)dtohs(next->header.type); 1287 switch ((mEventCode=eventCode)) { 1288 case RES_XML_START_NAMESPACE_TYPE: 1289 case RES_XML_END_NAMESPACE_TYPE: 1290 minExtSize = sizeof(ResXMLTree_namespaceExt); 1291 break; 1292 case RES_XML_START_ELEMENT_TYPE: 1293 minExtSize = sizeof(ResXMLTree_attrExt); 1294 break; 1295 case RES_XML_END_ELEMENT_TYPE: 1296 minExtSize = sizeof(ResXMLTree_endElementExt); 1297 break; 1298 case RES_XML_CDATA_TYPE: 1299 minExtSize = sizeof(ResXMLTree_cdataExt); 1300 break; 1301 default: 1302 ALOGW("Unknown XML block: header type %d in node at %d\n", 1303 (int)dtohs(next->header.type), 1304 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader))); 1305 continue; 1306 } 1307 1308 if ((totalSize-headerSize) < minExtSize) { 1309 ALOGW("Bad XML block: header type 0x%x in node at 0x%x has size %d, need %d\n", 1310 (int)dtohs(next->header.type), 1311 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader)), 1312 (int)(totalSize-headerSize), (int)minExtSize); 1313 return (mEventCode=BAD_DOCUMENT); 1314 } 1315 1316 //printf("CurNode=%p, CurExt=%p, headerSize=%d, minExtSize=%d\n", 1317 // mCurNode, mCurExt, headerSize, minExtSize); 1318 1319 return eventCode; 1320 } while (true); 1321} 1322 1323void ResXMLParser::getPosition(ResXMLParser::ResXMLPosition* pos) const 1324{ 1325 pos->eventCode = mEventCode; 1326 pos->curNode = mCurNode; 1327 pos->curExt = mCurExt; 1328} 1329 1330void ResXMLParser::setPosition(const ResXMLParser::ResXMLPosition& pos) 1331{ 1332 mEventCode = pos.eventCode; 1333 mCurNode = pos.curNode; 1334 mCurExt = pos.curExt; 1335} 1336 1337 1338// -------------------------------------------------------------------- 1339 1340static volatile int32_t gCount = 0; 1341 1342ResXMLTree::ResXMLTree() 1343 : ResXMLParser(*this) 1344 , mError(NO_INIT), mOwnedData(NULL) 1345{ 1346 //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); 1347 restart(); 1348} 1349 1350ResXMLTree::ResXMLTree(const void* data, size_t size, bool copyData) 1351 : ResXMLParser(*this) 1352 , mError(NO_INIT), mOwnedData(NULL) 1353{ 1354 //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); 1355 setTo(data, size, copyData); 1356} 1357 1358ResXMLTree::~ResXMLTree() 1359{ 1360 //ALOGI("Destroying ResXMLTree in %p #%d\n", this, android_atomic_dec(&gCount)-1); 1361 uninit(); 1362} 1363 1364status_t ResXMLTree::setTo(const void* data, size_t size, bool copyData) 1365{ 1366 uninit(); 1367 mEventCode = START_DOCUMENT; 1368 1369 if (!data || !size) { 1370 return (mError=BAD_TYPE); 1371 } 1372 1373 if (copyData) { 1374 mOwnedData = malloc(size); 1375 if (mOwnedData == NULL) { 1376 return (mError=NO_MEMORY); 1377 } 1378 memcpy(mOwnedData, data, size); 1379 data = mOwnedData; 1380 } 1381 1382 mHeader = (const ResXMLTree_header*)data; 1383 mSize = dtohl(mHeader->header.size); 1384 if (dtohs(mHeader->header.headerSize) > mSize || mSize > size) { 1385 ALOGW("Bad XML block: header size %d or total size %d is larger than data size %d\n", 1386 (int)dtohs(mHeader->header.headerSize), 1387 (int)dtohl(mHeader->header.size), (int)size); 1388 mError = BAD_TYPE; 1389 restart(); 1390 return mError; 1391 } 1392 mDataEnd = ((const uint8_t*)mHeader) + mSize; 1393 1394 mStrings.uninit(); 1395 mRootNode = NULL; 1396 mResIds = NULL; 1397 mNumResIds = 0; 1398 1399 // First look for a couple interesting chunks: the string block 1400 // and first XML node. 1401 const ResChunk_header* chunk = 1402 (const ResChunk_header*)(((const uint8_t*)mHeader) + dtohs(mHeader->header.headerSize)); 1403 const ResChunk_header* lastChunk = chunk; 1404 while (((const uint8_t*)chunk) < (mDataEnd-sizeof(ResChunk_header)) && 1405 ((const uint8_t*)chunk) < (mDataEnd-dtohl(chunk->size))) { 1406 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), mDataEnd, "XML"); 1407 if (err != NO_ERROR) { 1408 mError = err; 1409 goto done; 1410 } 1411 const uint16_t type = dtohs(chunk->type); 1412 const size_t size = dtohl(chunk->size); 1413 XML_NOISY(printf("Scanning @ %p: type=0x%x, size=0x%x\n", 1414 (void*)(((uint32_t)chunk)-((uint32_t)mHeader)), type, size)); 1415 if (type == RES_STRING_POOL_TYPE) { 1416 mStrings.setTo(chunk, size); 1417 } else if (type == RES_XML_RESOURCE_MAP_TYPE) { 1418 mResIds = (const uint32_t*) 1419 (((const uint8_t*)chunk)+dtohs(chunk->headerSize)); 1420 mNumResIds = (dtohl(chunk->size)-dtohs(chunk->headerSize))/sizeof(uint32_t); 1421 } else if (type >= RES_XML_FIRST_CHUNK_TYPE 1422 && type <= RES_XML_LAST_CHUNK_TYPE) { 1423 if (validateNode((const ResXMLTree_node*)chunk) != NO_ERROR) { 1424 mError = BAD_TYPE; 1425 goto done; 1426 } 1427 mCurNode = (const ResXMLTree_node*)lastChunk; 1428 if (nextNode() == BAD_DOCUMENT) { 1429 mError = BAD_TYPE; 1430 goto done; 1431 } 1432 mRootNode = mCurNode; 1433 mRootExt = mCurExt; 1434 mRootCode = mEventCode; 1435 break; 1436 } else { 1437 XML_NOISY(printf("Skipping unknown chunk!\n")); 1438 } 1439 lastChunk = chunk; 1440 chunk = (const ResChunk_header*) 1441 (((const uint8_t*)chunk) + size); 1442 } 1443 1444 if (mRootNode == NULL) { 1445 ALOGW("Bad XML block: no root element node found\n"); 1446 mError = BAD_TYPE; 1447 goto done; 1448 } 1449 1450 mError = mStrings.getError(); 1451 1452done: 1453 restart(); 1454 return mError; 1455} 1456 1457status_t ResXMLTree::getError() const 1458{ 1459 return mError; 1460} 1461 1462void ResXMLTree::uninit() 1463{ 1464 mError = NO_INIT; 1465 mStrings.uninit(); 1466 if (mOwnedData) { 1467 free(mOwnedData); 1468 mOwnedData = NULL; 1469 } 1470 restart(); 1471} 1472 1473status_t ResXMLTree::validateNode(const ResXMLTree_node* node) const 1474{ 1475 const uint16_t eventCode = dtohs(node->header.type); 1476 1477 status_t err = validate_chunk( 1478 &node->header, sizeof(ResXMLTree_node), 1479 mDataEnd, "ResXMLTree_node"); 1480 1481 if (err >= NO_ERROR) { 1482 // Only perform additional validation on START nodes 1483 if (eventCode != RES_XML_START_ELEMENT_TYPE) { 1484 return NO_ERROR; 1485 } 1486 1487 const uint16_t headerSize = dtohs(node->header.headerSize); 1488 const uint32_t size = dtohl(node->header.size); 1489 const ResXMLTree_attrExt* attrExt = (const ResXMLTree_attrExt*) 1490 (((const uint8_t*)node) + headerSize); 1491 // check for sensical values pulled out of the stream so far... 1492 if ((size >= headerSize + sizeof(ResXMLTree_attrExt)) 1493 && ((void*)attrExt > (void*)node)) { 1494 const size_t attrSize = ((size_t)dtohs(attrExt->attributeSize)) 1495 * dtohs(attrExt->attributeCount); 1496 if ((dtohs(attrExt->attributeStart)+attrSize) <= (size-headerSize)) { 1497 return NO_ERROR; 1498 } 1499 ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1500 (unsigned int)(dtohs(attrExt->attributeStart)+attrSize), 1501 (unsigned int)(size-headerSize)); 1502 } 1503 else { 1504 ALOGW("Bad XML start block: node header size 0x%x, size 0x%x\n", 1505 (unsigned int)headerSize, (unsigned int)size); 1506 } 1507 return BAD_TYPE; 1508 } 1509 1510 return err; 1511 1512#if 0 1513 const bool isStart = dtohs(node->header.type) == RES_XML_START_ELEMENT_TYPE; 1514 1515 const uint16_t headerSize = dtohs(node->header.headerSize); 1516 const uint32_t size = dtohl(node->header.size); 1517 1518 if (headerSize >= (isStart ? sizeof(ResXMLTree_attrNode) : sizeof(ResXMLTree_node))) { 1519 if (size >= headerSize) { 1520 if (((const uint8_t*)node) <= (mDataEnd-size)) { 1521 if (!isStart) { 1522 return NO_ERROR; 1523 } 1524 if ((((size_t)dtohs(node->attributeSize))*dtohs(node->attributeCount)) 1525 <= (size-headerSize)) { 1526 return NO_ERROR; 1527 } 1528 ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", 1529 ((int)dtohs(node->attributeSize))*dtohs(node->attributeCount), 1530 (int)(size-headerSize)); 1531 return BAD_TYPE; 1532 } 1533 ALOGW("Bad XML block: node at 0x%x extends beyond data end 0x%x\n", 1534 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), (int)mSize); 1535 return BAD_TYPE; 1536 } 1537 ALOGW("Bad XML block: node at 0x%x header size 0x%x smaller than total size 0x%x\n", 1538 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1539 (int)headerSize, (int)size); 1540 return BAD_TYPE; 1541 } 1542 ALOGW("Bad XML block: node at 0x%x header size 0x%x too small\n", 1543 (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), 1544 (int)headerSize); 1545 return BAD_TYPE; 1546#endif 1547} 1548 1549// -------------------------------------------------------------------- 1550// -------------------------------------------------------------------- 1551// -------------------------------------------------------------------- 1552 1553void ResTable_config::copyFromDeviceNoSwap(const ResTable_config& o) { 1554 const size_t size = dtohl(o.size); 1555 if (size >= sizeof(ResTable_config)) { 1556 *this = o; 1557 } else { 1558 memcpy(this, &o, size); 1559 memset(((uint8_t*)this)+size, 0, sizeof(ResTable_config)-size); 1560 } 1561} 1562 1563/* static */ size_t unpackLanguageOrRegion(const char in[2], const char base, 1564 char out[4]) { 1565 if (in[0] & 0x80) { 1566 // The high bit is "1", which means this is a packed three letter 1567 // language code. 1568 1569 // The smallest 5 bits of the second char are the first alphabet. 1570 const uint8_t first = in[1] & 0x1f; 1571 // The last three bits of the second char and the first two bits 1572 // of the first char are the second alphabet. 1573 const uint8_t second = ((in[1] & 0xe0) >> 5) + ((in[0] & 0x03) << 3); 1574 // Bits 3 to 7 (inclusive) of the first char are the third alphabet. 1575 const uint8_t third = (in[0] & 0x7c) >> 2; 1576 1577 out[0] = first + base; 1578 out[1] = second + base; 1579 out[2] = third + base; 1580 out[3] = 0; 1581 1582 return 3; 1583 } 1584 1585 if (in[0]) { 1586 memcpy(out, in, 2); 1587 memset(out + 2, 0, 2); 1588 return 2; 1589 } 1590 1591 memset(out, 0, 4); 1592 return 0; 1593} 1594 1595/* static */ void packLanguageOrRegion(const char* in, const char base, 1596 char out[2]) { 1597 if (in[2] == 0 || in[2] == '-') { 1598 out[0] = in[0]; 1599 out[1] = in[1]; 1600 } else { 1601 uint8_t first = (in[0] - base) & 0x00ef; 1602 uint8_t second = (in[1] - base) & 0x00ef; 1603 uint8_t third = (in[2] - base) & 0x00ef; 1604 1605 out[0] = (0x80 | (third << 2) | (second >> 3)); 1606 out[1] = ((second << 5) | first); 1607 } 1608} 1609 1610 1611void ResTable_config::packLanguage(const char* language) { 1612 packLanguageOrRegion(language, 'a', this->language); 1613} 1614 1615void ResTable_config::packRegion(const char* region) { 1616 packLanguageOrRegion(region, '0', this->country); 1617} 1618 1619size_t ResTable_config::unpackLanguage(char language[4]) const { 1620 return unpackLanguageOrRegion(this->language, 'a', language); 1621} 1622 1623size_t ResTable_config::unpackRegion(char region[4]) const { 1624 return unpackLanguageOrRegion(this->country, '0', region); 1625} 1626 1627 1628void ResTable_config::copyFromDtoH(const ResTable_config& o) { 1629 copyFromDeviceNoSwap(o); 1630 size = sizeof(ResTable_config); 1631 mcc = dtohs(mcc); 1632 mnc = dtohs(mnc); 1633 density = dtohs(density); 1634 screenWidth = dtohs(screenWidth); 1635 screenHeight = dtohs(screenHeight); 1636 sdkVersion = dtohs(sdkVersion); 1637 minorVersion = dtohs(minorVersion); 1638 smallestScreenWidthDp = dtohs(smallestScreenWidthDp); 1639 screenWidthDp = dtohs(screenWidthDp); 1640 screenHeightDp = dtohs(screenHeightDp); 1641} 1642 1643void ResTable_config::swapHtoD() { 1644 size = htodl(size); 1645 mcc = htods(mcc); 1646 mnc = htods(mnc); 1647 density = htods(density); 1648 screenWidth = htods(screenWidth); 1649 screenHeight = htods(screenHeight); 1650 sdkVersion = htods(sdkVersion); 1651 minorVersion = htods(minorVersion); 1652 smallestScreenWidthDp = htods(smallestScreenWidthDp); 1653 screenWidthDp = htods(screenWidthDp); 1654 screenHeightDp = htods(screenHeightDp); 1655} 1656 1657/* static */ inline int compareLocales(const ResTable_config &l, const ResTable_config &r) { 1658 if (l.locale != r.locale) { 1659 // NOTE: This is the old behaviour with respect to comparison orders. 1660 // The diff value here doesn't make much sense (given our bit packing scheme) 1661 // but it's stable, and that's all we need. 1662 return l.locale - r.locale; 1663 } 1664 1665 // The language & region are equal, so compare the scripts and variants. 1666 int script = memcmp(l.localeScript, r.localeScript, sizeof(l.localeScript)); 1667 if (script) { 1668 return script; 1669 } 1670 1671 // The language, region and script are equal, so compare variants. 1672 // 1673 // This should happen very infrequently (if at all.) 1674 return memcmp(l.localeVariant, r.localeVariant, sizeof(l.localeVariant)); 1675} 1676 1677int ResTable_config::compare(const ResTable_config& o) const { 1678 int32_t diff = (int32_t)(imsi - o.imsi); 1679 if (diff != 0) return diff; 1680 diff = compareLocales(*this, o); 1681 if (diff != 0) return diff; 1682 diff = (int32_t)(screenType - o.screenType); 1683 if (diff != 0) return diff; 1684 diff = (int32_t)(input - o.input); 1685 if (diff != 0) return diff; 1686 diff = (int32_t)(screenSize - o.screenSize); 1687 if (diff != 0) return diff; 1688 diff = (int32_t)(version - o.version); 1689 if (diff != 0) return diff; 1690 diff = (int32_t)(screenLayout - o.screenLayout); 1691 if (diff != 0) return diff; 1692 diff = (int32_t)(uiMode - o.uiMode); 1693 if (diff != 0) return diff; 1694 diff = (int32_t)(smallestScreenWidthDp - o.smallestScreenWidthDp); 1695 if (diff != 0) return diff; 1696 diff = (int32_t)(screenSizeDp - o.screenSizeDp); 1697 return (int)diff; 1698} 1699 1700int ResTable_config::compareLogical(const ResTable_config& o) const { 1701 if (mcc != o.mcc) { 1702 return mcc < o.mcc ? -1 : 1; 1703 } 1704 if (mnc != o.mnc) { 1705 return mnc < o.mnc ? -1 : 1; 1706 } 1707 1708 int diff = compareLocales(*this, o); 1709 if (diff < 0) { 1710 return -1; 1711 } 1712 if (diff > 0) { 1713 return 1; 1714 } 1715 1716 if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) { 1717 return (screenLayout & MASK_LAYOUTDIR) < (o.screenLayout & MASK_LAYOUTDIR) ? -1 : 1; 1718 } 1719 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1720 return smallestScreenWidthDp < o.smallestScreenWidthDp ? -1 : 1; 1721 } 1722 if (screenWidthDp != o.screenWidthDp) { 1723 return screenWidthDp < o.screenWidthDp ? -1 : 1; 1724 } 1725 if (screenHeightDp != o.screenHeightDp) { 1726 return screenHeightDp < o.screenHeightDp ? -1 : 1; 1727 } 1728 if (screenWidth != o.screenWidth) { 1729 return screenWidth < o.screenWidth ? -1 : 1; 1730 } 1731 if (screenHeight != o.screenHeight) { 1732 return screenHeight < o.screenHeight ? -1 : 1; 1733 } 1734 if (density != o.density) { 1735 return density < o.density ? -1 : 1; 1736 } 1737 if (orientation != o.orientation) { 1738 return orientation < o.orientation ? -1 : 1; 1739 } 1740 if (touchscreen != o.touchscreen) { 1741 return touchscreen < o.touchscreen ? -1 : 1; 1742 } 1743 if (input != o.input) { 1744 return input < o.input ? -1 : 1; 1745 } 1746 if (screenLayout != o.screenLayout) { 1747 return screenLayout < o.screenLayout ? -1 : 1; 1748 } 1749 if (uiMode != o.uiMode) { 1750 return uiMode < o.uiMode ? -1 : 1; 1751 } 1752 if (version != o.version) { 1753 return version < o.version ? -1 : 1; 1754 } 1755 return 0; 1756} 1757 1758int ResTable_config::diff(const ResTable_config& o) const { 1759 int diffs = 0; 1760 if (mcc != o.mcc) diffs |= CONFIG_MCC; 1761 if (mnc != o.mnc) diffs |= CONFIG_MNC; 1762 if (orientation != o.orientation) diffs |= CONFIG_ORIENTATION; 1763 if (density != o.density) diffs |= CONFIG_DENSITY; 1764 if (touchscreen != o.touchscreen) diffs |= CONFIG_TOUCHSCREEN; 1765 if (((inputFlags^o.inputFlags)&(MASK_KEYSHIDDEN|MASK_NAVHIDDEN)) != 0) 1766 diffs |= CONFIG_KEYBOARD_HIDDEN; 1767 if (keyboard != o.keyboard) diffs |= CONFIG_KEYBOARD; 1768 if (navigation != o.navigation) diffs |= CONFIG_NAVIGATION; 1769 if (screenSize != o.screenSize) diffs |= CONFIG_SCREEN_SIZE; 1770 if (version != o.version) diffs |= CONFIG_VERSION; 1771 if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) diffs |= CONFIG_LAYOUTDIR; 1772 if ((screenLayout & ~MASK_LAYOUTDIR) != (o.screenLayout & ~MASK_LAYOUTDIR)) diffs |= CONFIG_SCREEN_LAYOUT; 1773 if (uiMode != o.uiMode) diffs |= CONFIG_UI_MODE; 1774 if (smallestScreenWidthDp != o.smallestScreenWidthDp) diffs |= CONFIG_SMALLEST_SCREEN_SIZE; 1775 if (screenSizeDp != o.screenSizeDp) diffs |= CONFIG_SCREEN_SIZE; 1776 1777 const int diff = compareLocales(*this, o); 1778 if (diff) diffs |= CONFIG_LOCALE; 1779 1780 return diffs; 1781} 1782 1783int ResTable_config::isLocaleMoreSpecificThan(const ResTable_config& o) const { 1784 if (locale || o.locale) { 1785 if (language[0] != o.language[0]) { 1786 if (!language[0]) return -1; 1787 if (!o.language[0]) return 1; 1788 } 1789 1790 if (country[0] != o.country[0]) { 1791 if (!country[0]) return -1; 1792 if (!o.country[0]) return 1; 1793 } 1794 } 1795 1796 // There isn't a well specified "importance" order between variants and 1797 // scripts. We can't easily tell whether, say "en-Latn-US" is more or less 1798 // specific than "en-US-POSIX". 1799 // 1800 // We therefore arbitrarily decide to give priority to variants over 1801 // scripts since it seems more useful to do so. We will consider 1802 // "en-US-POSIX" to be more specific than "en-Latn-US". 1803 1804 const int score = ((localeScript[0] != 0) ? 1 : 0) + 1805 ((localeVariant[0] != 0) ? 2 : 0); 1806 1807 const int oScore = ((o.localeScript[0] != 0) ? 1 : 0) + 1808 ((o.localeVariant[0] != 0) ? 2 : 0); 1809 1810 return score - oScore; 1811 1812} 1813 1814bool ResTable_config::isMoreSpecificThan(const ResTable_config& o) const { 1815 // The order of the following tests defines the importance of one 1816 // configuration parameter over another. Those tests first are more 1817 // important, trumping any values in those following them. 1818 if (imsi || o.imsi) { 1819 if (mcc != o.mcc) { 1820 if (!mcc) return false; 1821 if (!o.mcc) return true; 1822 } 1823 1824 if (mnc != o.mnc) { 1825 if (!mnc) return false; 1826 if (!o.mnc) return true; 1827 } 1828 } 1829 1830 if (locale || o.locale) { 1831 const int diff = isLocaleMoreSpecificThan(o); 1832 if (diff < 0) { 1833 return false; 1834 } 1835 1836 if (diff > 0) { 1837 return true; 1838 } 1839 } 1840 1841 if (screenLayout || o.screenLayout) { 1842 if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0) { 1843 if (!(screenLayout & MASK_LAYOUTDIR)) return false; 1844 if (!(o.screenLayout & MASK_LAYOUTDIR)) return true; 1845 } 1846 } 1847 1848 if (smallestScreenWidthDp || o.smallestScreenWidthDp) { 1849 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1850 if (!smallestScreenWidthDp) return false; 1851 if (!o.smallestScreenWidthDp) return true; 1852 } 1853 } 1854 1855 if (screenSizeDp || o.screenSizeDp) { 1856 if (screenWidthDp != o.screenWidthDp) { 1857 if (!screenWidthDp) return false; 1858 if (!o.screenWidthDp) return true; 1859 } 1860 1861 if (screenHeightDp != o.screenHeightDp) { 1862 if (!screenHeightDp) return false; 1863 if (!o.screenHeightDp) return true; 1864 } 1865 } 1866 1867 if (screenLayout || o.screenLayout) { 1868 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0) { 1869 if (!(screenLayout & MASK_SCREENSIZE)) return false; 1870 if (!(o.screenLayout & MASK_SCREENSIZE)) return true; 1871 } 1872 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0) { 1873 if (!(screenLayout & MASK_SCREENLONG)) return false; 1874 if (!(o.screenLayout & MASK_SCREENLONG)) return true; 1875 } 1876 } 1877 1878 if (orientation != o.orientation) { 1879 if (!orientation) return false; 1880 if (!o.orientation) return true; 1881 } 1882 1883 if (uiMode || o.uiMode) { 1884 if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0) { 1885 if (!(uiMode & MASK_UI_MODE_TYPE)) return false; 1886 if (!(o.uiMode & MASK_UI_MODE_TYPE)) return true; 1887 } 1888 if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0) { 1889 if (!(uiMode & MASK_UI_MODE_NIGHT)) return false; 1890 if (!(o.uiMode & MASK_UI_MODE_NIGHT)) return true; 1891 } 1892 } 1893 1894 // density is never 'more specific' 1895 // as the default just equals 160 1896 1897 if (touchscreen != o.touchscreen) { 1898 if (!touchscreen) return false; 1899 if (!o.touchscreen) return true; 1900 } 1901 1902 if (input || o.input) { 1903 if (((inputFlags^o.inputFlags) & MASK_KEYSHIDDEN) != 0) { 1904 if (!(inputFlags & MASK_KEYSHIDDEN)) return false; 1905 if (!(o.inputFlags & MASK_KEYSHIDDEN)) return true; 1906 } 1907 1908 if (((inputFlags^o.inputFlags) & MASK_NAVHIDDEN) != 0) { 1909 if (!(inputFlags & MASK_NAVHIDDEN)) return false; 1910 if (!(o.inputFlags & MASK_NAVHIDDEN)) return true; 1911 } 1912 1913 if (keyboard != o.keyboard) { 1914 if (!keyboard) return false; 1915 if (!o.keyboard) return true; 1916 } 1917 1918 if (navigation != o.navigation) { 1919 if (!navigation) return false; 1920 if (!o.navigation) return true; 1921 } 1922 } 1923 1924 if (screenSize || o.screenSize) { 1925 if (screenWidth != o.screenWidth) { 1926 if (!screenWidth) return false; 1927 if (!o.screenWidth) return true; 1928 } 1929 1930 if (screenHeight != o.screenHeight) { 1931 if (!screenHeight) return false; 1932 if (!o.screenHeight) return true; 1933 } 1934 } 1935 1936 if (version || o.version) { 1937 if (sdkVersion != o.sdkVersion) { 1938 if (!sdkVersion) return false; 1939 if (!o.sdkVersion) return true; 1940 } 1941 1942 if (minorVersion != o.minorVersion) { 1943 if (!minorVersion) return false; 1944 if (!o.minorVersion) return true; 1945 } 1946 } 1947 return false; 1948} 1949 1950bool ResTable_config::isBetterThan(const ResTable_config& o, 1951 const ResTable_config* requested) const { 1952 if (requested) { 1953 if (imsi || o.imsi) { 1954 if ((mcc != o.mcc) && requested->mcc) { 1955 return (mcc); 1956 } 1957 1958 if ((mnc != o.mnc) && requested->mnc) { 1959 return (mnc); 1960 } 1961 } 1962 1963 if (locale || o.locale) { 1964 if ((language[0] != o.language[0]) && requested->language[0]) { 1965 return (language[0]); 1966 } 1967 1968 if ((country[0] != o.country[0]) && requested->country[0]) { 1969 return (country[0]); 1970 } 1971 } 1972 1973 if (localeScript[0] || o.localeScript[0]) { 1974 if (localeScript[0] != o.localeScript[0] && requested->localeScript[0]) { 1975 return localeScript[0]; 1976 } 1977 } 1978 1979 if (localeVariant[0] || o.localeVariant[0]) { 1980 if (localeVariant[0] != o.localeVariant[0] && requested->localeVariant[0]) { 1981 return localeVariant[0]; 1982 } 1983 } 1984 1985 if (screenLayout || o.screenLayout) { 1986 if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0 1987 && (requested->screenLayout & MASK_LAYOUTDIR)) { 1988 int myLayoutDir = screenLayout & MASK_LAYOUTDIR; 1989 int oLayoutDir = o.screenLayout & MASK_LAYOUTDIR; 1990 return (myLayoutDir > oLayoutDir); 1991 } 1992 } 1993 1994 if (smallestScreenWidthDp || o.smallestScreenWidthDp) { 1995 // The configuration closest to the actual size is best. 1996 // We assume that larger configs have already been filtered 1997 // out at this point. That means we just want the largest one. 1998 if (smallestScreenWidthDp != o.smallestScreenWidthDp) { 1999 return smallestScreenWidthDp > o.smallestScreenWidthDp; 2000 } 2001 } 2002 2003 if (screenSizeDp || o.screenSizeDp) { 2004 // "Better" is based on the sum of the difference between both 2005 // width and height from the requested dimensions. We are 2006 // assuming the invalid configs (with smaller dimens) have 2007 // already been filtered. Note that if a particular dimension 2008 // is unspecified, we will end up with a large value (the 2009 // difference between 0 and the requested dimension), which is 2010 // good since we will prefer a config that has specified a 2011 // dimension value. 2012 int myDelta = 0, otherDelta = 0; 2013 if (requested->screenWidthDp) { 2014 myDelta += requested->screenWidthDp - screenWidthDp; 2015 otherDelta += requested->screenWidthDp - o.screenWidthDp; 2016 } 2017 if (requested->screenHeightDp) { 2018 myDelta += requested->screenHeightDp - screenHeightDp; 2019 otherDelta += requested->screenHeightDp - o.screenHeightDp; 2020 } 2021 //ALOGI("Comparing this %dx%d to other %dx%d in %dx%d: myDelta=%d otherDelta=%d", 2022 // screenWidthDp, screenHeightDp, o.screenWidthDp, o.screenHeightDp, 2023 // requested->screenWidthDp, requested->screenHeightDp, myDelta, otherDelta); 2024 if (myDelta != otherDelta) { 2025 return myDelta < otherDelta; 2026 } 2027 } 2028 2029 if (screenLayout || o.screenLayout) { 2030 if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0 2031 && (requested->screenLayout & MASK_SCREENSIZE)) { 2032 // A little backwards compatibility here: undefined is 2033 // considered equivalent to normal. But only if the 2034 // requested size is at least normal; otherwise, small 2035 // is better than the default. 2036 int mySL = (screenLayout & MASK_SCREENSIZE); 2037 int oSL = (o.screenLayout & MASK_SCREENSIZE); 2038 int fixedMySL = mySL; 2039 int fixedOSL = oSL; 2040 if ((requested->screenLayout & MASK_SCREENSIZE) >= SCREENSIZE_NORMAL) { 2041 if (fixedMySL == 0) fixedMySL = SCREENSIZE_NORMAL; 2042 if (fixedOSL == 0) fixedOSL = SCREENSIZE_NORMAL; 2043 } 2044 // For screen size, the best match is the one that is 2045 // closest to the requested screen size, but not over 2046 // (the not over part is dealt with in match() below). 2047 if (fixedMySL == fixedOSL) { 2048 // If the two are the same, but 'this' is actually 2049 // undefined, then the other is really a better match. 2050 if (mySL == 0) return false; 2051 return true; 2052 } 2053 if (fixedMySL != fixedOSL) { 2054 return fixedMySL > fixedOSL; 2055 } 2056 } 2057 if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0 2058 && (requested->screenLayout & MASK_SCREENLONG)) { 2059 return (screenLayout & MASK_SCREENLONG); 2060 } 2061 } 2062 2063 if ((orientation != o.orientation) && requested->orientation) { 2064 return (orientation); 2065 } 2066 2067 if (uiMode || o.uiMode) { 2068 if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0 2069 && (requested->uiMode & MASK_UI_MODE_TYPE)) { 2070 return (uiMode & MASK_UI_MODE_TYPE); 2071 } 2072 if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0 2073 && (requested->uiMode & MASK_UI_MODE_NIGHT)) { 2074 return (uiMode & MASK_UI_MODE_NIGHT); 2075 } 2076 } 2077 2078 if (screenType || o.screenType) { 2079 if (density != o.density) { 2080 // density is tough. Any density is potentially useful 2081 // because the system will scale it. Scaling down 2082 // is generally better than scaling up. 2083 // Default density counts as 160dpi (the system default) 2084 // TODO - remove 160 constants 2085 int h = (density?density:160); 2086 int l = (o.density?o.density:160); 2087 bool bImBigger = true; 2088 if (l > h) { 2089 int t = h; 2090 h = l; 2091 l = t; 2092 bImBigger = false; 2093 } 2094 2095 int reqValue = (requested->density?requested->density:160); 2096 if (reqValue >= h) { 2097 // requested value higher than both l and h, give h 2098 return bImBigger; 2099 } 2100 if (l >= reqValue) { 2101 // requested value lower than both l and h, give l 2102 return !bImBigger; 2103 } 2104 // saying that scaling down is 2x better than up 2105 if (((2 * l) - reqValue) * h > reqValue * reqValue) { 2106 return !bImBigger; 2107 } else { 2108 return bImBigger; 2109 } 2110 } 2111 2112 if ((touchscreen != o.touchscreen) && requested->touchscreen) { 2113 return (touchscreen); 2114 } 2115 } 2116 2117 if (input || o.input) { 2118 const int keysHidden = inputFlags & MASK_KEYSHIDDEN; 2119 const int oKeysHidden = o.inputFlags & MASK_KEYSHIDDEN; 2120 if (keysHidden != oKeysHidden) { 2121 const int reqKeysHidden = 2122 requested->inputFlags & MASK_KEYSHIDDEN; 2123 if (reqKeysHidden) { 2124 2125 if (!keysHidden) return false; 2126 if (!oKeysHidden) return true; 2127 // For compatibility, we count KEYSHIDDEN_NO as being 2128 // the same as KEYSHIDDEN_SOFT. Here we disambiguate 2129 // these by making an exact match more specific. 2130 if (reqKeysHidden == keysHidden) return true; 2131 if (reqKeysHidden == oKeysHidden) return false; 2132 } 2133 } 2134 2135 const int navHidden = inputFlags & MASK_NAVHIDDEN; 2136 const int oNavHidden = o.inputFlags & MASK_NAVHIDDEN; 2137 if (navHidden != oNavHidden) { 2138 const int reqNavHidden = 2139 requested->inputFlags & MASK_NAVHIDDEN; 2140 if (reqNavHidden) { 2141 2142 if (!navHidden) return false; 2143 if (!oNavHidden) return true; 2144 } 2145 } 2146 2147 if ((keyboard != o.keyboard) && requested->keyboard) { 2148 return (keyboard); 2149 } 2150 2151 if ((navigation != o.navigation) && requested->navigation) { 2152 return (navigation); 2153 } 2154 } 2155 2156 if (screenSize || o.screenSize) { 2157 // "Better" is based on the sum of the difference between both 2158 // width and height from the requested dimensions. We are 2159 // assuming the invalid configs (with smaller sizes) have 2160 // already been filtered. Note that if a particular dimension 2161 // is unspecified, we will end up with a large value (the 2162 // difference between 0 and the requested dimension), which is 2163 // good since we will prefer a config that has specified a 2164 // size value. 2165 int myDelta = 0, otherDelta = 0; 2166 if (requested->screenWidth) { 2167 myDelta += requested->screenWidth - screenWidth; 2168 otherDelta += requested->screenWidth - o.screenWidth; 2169 } 2170 if (requested->screenHeight) { 2171 myDelta += requested->screenHeight - screenHeight; 2172 otherDelta += requested->screenHeight - o.screenHeight; 2173 } 2174 if (myDelta != otherDelta) { 2175 return myDelta < otherDelta; 2176 } 2177 } 2178 2179 if (version || o.version) { 2180 if ((sdkVersion != o.sdkVersion) && requested->sdkVersion) { 2181 return (sdkVersion > o.sdkVersion); 2182 } 2183 2184 if ((minorVersion != o.minorVersion) && 2185 requested->minorVersion) { 2186 return (minorVersion); 2187 } 2188 } 2189 2190 return false; 2191 } 2192 return isMoreSpecificThan(o); 2193} 2194 2195bool ResTable_config::match(const ResTable_config& settings) const { 2196 if (imsi != 0) { 2197 if (mcc != 0 && mcc != settings.mcc) { 2198 return false; 2199 } 2200 if (mnc != 0 && mnc != settings.mnc) { 2201 return false; 2202 } 2203 } 2204 if (locale != 0) { 2205 // Don't consider the script & variants when deciding matches. 2206 // 2207 // If we two configs differ only in their script or language, they 2208 // can be weeded out in the isMoreSpecificThan test. 2209 if (language[0] != 0 2210 && (language[0] != settings.language[0] 2211 || language[1] != settings.language[1])) { 2212 return false; 2213 } 2214 2215 if (country[0] != 0 2216 && (country[0] != settings.country[0] 2217 || country[1] != settings.country[1])) { 2218 return false; 2219 } 2220 } 2221 2222 if (screenConfig != 0) { 2223 const int layoutDir = screenLayout&MASK_LAYOUTDIR; 2224 const int setLayoutDir = settings.screenLayout&MASK_LAYOUTDIR; 2225 if (layoutDir != 0 && layoutDir != setLayoutDir) { 2226 return false; 2227 } 2228 2229 const int screenSize = screenLayout&MASK_SCREENSIZE; 2230 const int setScreenSize = settings.screenLayout&MASK_SCREENSIZE; 2231 // Any screen sizes for larger screens than the setting do not 2232 // match. 2233 if (screenSize != 0 && screenSize > setScreenSize) { 2234 return false; 2235 } 2236 2237 const int screenLong = screenLayout&MASK_SCREENLONG; 2238 const int setScreenLong = settings.screenLayout&MASK_SCREENLONG; 2239 if (screenLong != 0 && screenLong != setScreenLong) { 2240 return false; 2241 } 2242 2243 const int uiModeType = uiMode&MASK_UI_MODE_TYPE; 2244 const int setUiModeType = settings.uiMode&MASK_UI_MODE_TYPE; 2245 if (uiModeType != 0 && uiModeType != setUiModeType) { 2246 return false; 2247 } 2248 2249 const int uiModeNight = uiMode&MASK_UI_MODE_NIGHT; 2250 const int setUiModeNight = settings.uiMode&MASK_UI_MODE_NIGHT; 2251 if (uiModeNight != 0 && uiModeNight != setUiModeNight) { 2252 return false; 2253 } 2254 2255 if (smallestScreenWidthDp != 0 2256 && smallestScreenWidthDp > settings.smallestScreenWidthDp) { 2257 return false; 2258 } 2259 } 2260 if (screenSizeDp != 0) { 2261 if (screenWidthDp != 0 && screenWidthDp > settings.screenWidthDp) { 2262 //ALOGI("Filtering out width %d in requested %d", screenWidthDp, settings.screenWidthDp); 2263 return false; 2264 } 2265 if (screenHeightDp != 0 && screenHeightDp > settings.screenHeightDp) { 2266 //ALOGI("Filtering out height %d in requested %d", screenHeightDp, settings.screenHeightDp); 2267 return false; 2268 } 2269 } 2270 if (screenType != 0) { 2271 if (orientation != 0 && orientation != settings.orientation) { 2272 return false; 2273 } 2274 // density always matches - we can scale it. See isBetterThan 2275 if (touchscreen != 0 && touchscreen != settings.touchscreen) { 2276 return false; 2277 } 2278 } 2279 if (input != 0) { 2280 const int keysHidden = inputFlags&MASK_KEYSHIDDEN; 2281 const int setKeysHidden = settings.inputFlags&MASK_KEYSHIDDEN; 2282 if (keysHidden != 0 && keysHidden != setKeysHidden) { 2283 // For compatibility, we count a request for KEYSHIDDEN_NO as also 2284 // matching the more recent KEYSHIDDEN_SOFT. Basically 2285 // KEYSHIDDEN_NO means there is some kind of keyboard available. 2286 //ALOGI("Matching keysHidden: have=%d, config=%d\n", keysHidden, setKeysHidden); 2287 if (keysHidden != KEYSHIDDEN_NO || setKeysHidden != KEYSHIDDEN_SOFT) { 2288 //ALOGI("No match!"); 2289 return false; 2290 } 2291 } 2292 const int navHidden = inputFlags&MASK_NAVHIDDEN; 2293 const int setNavHidden = settings.inputFlags&MASK_NAVHIDDEN; 2294 if (navHidden != 0 && navHidden != setNavHidden) { 2295 return false; 2296 } 2297 if (keyboard != 0 && keyboard != settings.keyboard) { 2298 return false; 2299 } 2300 if (navigation != 0 && navigation != settings.navigation) { 2301 return false; 2302 } 2303 } 2304 if (screenSize != 0) { 2305 if (screenWidth != 0 && screenWidth > settings.screenWidth) { 2306 return false; 2307 } 2308 if (screenHeight != 0 && screenHeight > settings.screenHeight) { 2309 return false; 2310 } 2311 } 2312 if (version != 0) { 2313 if (sdkVersion != 0 && sdkVersion > settings.sdkVersion) { 2314 return false; 2315 } 2316 if (minorVersion != 0 && minorVersion != settings.minorVersion) { 2317 return false; 2318 } 2319 } 2320 return true; 2321} 2322 2323void ResTable_config::getBcp47Locale(char str[RESTABLE_MAX_LOCALE_LEN]) const { 2324 memset(str, 0, RESTABLE_MAX_LOCALE_LEN); 2325 2326 // This represents the "any" locale value, which has traditionally been 2327 // represented by the empty string. 2328 if (!language[0] && !country[0]) { 2329 return; 2330 } 2331 2332 size_t charsWritten = 0; 2333 if (language[0]) { 2334 charsWritten += unpackLanguage(str); 2335 } 2336 2337 if (localeScript[0]) { 2338 if (charsWritten) { 2339 str[charsWritten++] = '-'; 2340 } 2341 memcpy(str + charsWritten, localeScript, sizeof(localeScript)); 2342 charsWritten += sizeof(localeScript); 2343 } 2344 2345 if (country[0]) { 2346 if (charsWritten) { 2347 str[charsWritten++] = '-'; 2348 } 2349 charsWritten += unpackRegion(str + charsWritten); 2350 } 2351 2352 if (localeVariant[0]) { 2353 if (charsWritten) { 2354 str[charsWritten++] = '-'; 2355 } 2356 memcpy(str + charsWritten, localeVariant, sizeof(localeVariant)); 2357 } 2358} 2359 2360/* static */ inline bool assignLocaleComponent(ResTable_config* config, 2361 const char* start, size_t size) { 2362 2363 switch (size) { 2364 case 0: 2365 return false; 2366 case 2: 2367 case 3: 2368 config->language[0] ? config->packRegion(start) : config->packLanguage(start); 2369 break; 2370 case 4: 2371 config->localeScript[0] = toupper(start[0]); 2372 for (size_t i = 1; i < 4; ++i) { 2373 config->localeScript[i] = tolower(start[i]); 2374 } 2375 break; 2376 case 5: 2377 case 6: 2378 case 7: 2379 case 8: 2380 for (size_t i = 0; i < size; ++i) { 2381 config->localeVariant[i] = tolower(start[i]); 2382 } 2383 break; 2384 default: 2385 return false; 2386 } 2387 2388 return true; 2389} 2390 2391void ResTable_config::setBcp47Locale(const char* in) { 2392 locale = 0; 2393 memset(localeScript, 0, sizeof(localeScript)); 2394 memset(localeVariant, 0, sizeof(localeVariant)); 2395 2396 const char* separator = in; 2397 const char* start = in; 2398 while ((separator = strchr(start, '-')) != NULL) { 2399 const size_t size = separator - start; 2400 if (!assignLocaleComponent(this, start, size)) { 2401 fprintf(stderr, "Invalid BCP-47 locale string: %s", in); 2402 } 2403 2404 start = (separator + 1); 2405 } 2406 2407 const size_t size = in + strlen(in) - start; 2408 assignLocaleComponent(this, start, size); 2409} 2410 2411String8 ResTable_config::toString() const { 2412 String8 res; 2413 2414 if (mcc != 0) { 2415 if (res.size() > 0) res.append("-"); 2416 res.appendFormat("%dmcc", dtohs(mcc)); 2417 } 2418 if (mnc != 0) { 2419 if (res.size() > 0) res.append("-"); 2420 res.appendFormat("%dmnc", dtohs(mnc)); 2421 } 2422 char localeStr[RESTABLE_MAX_LOCALE_LEN]; 2423 getBcp47Locale(localeStr); 2424 res.append(localeStr); 2425 2426 if ((screenLayout&MASK_LAYOUTDIR) != 0) { 2427 if (res.size() > 0) res.append("-"); 2428 switch (screenLayout&ResTable_config::MASK_LAYOUTDIR) { 2429 case ResTable_config::LAYOUTDIR_LTR: 2430 res.append("ldltr"); 2431 break; 2432 case ResTable_config::LAYOUTDIR_RTL: 2433 res.append("ldrtl"); 2434 break; 2435 default: 2436 res.appendFormat("layoutDir=%d", 2437 dtohs(screenLayout&ResTable_config::MASK_LAYOUTDIR)); 2438 break; 2439 } 2440 } 2441 if (smallestScreenWidthDp != 0) { 2442 if (res.size() > 0) res.append("-"); 2443 res.appendFormat("sw%ddp", dtohs(smallestScreenWidthDp)); 2444 } 2445 if (screenWidthDp != 0) { 2446 if (res.size() > 0) res.append("-"); 2447 res.appendFormat("w%ddp", dtohs(screenWidthDp)); 2448 } 2449 if (screenHeightDp != 0) { 2450 if (res.size() > 0) res.append("-"); 2451 res.appendFormat("h%ddp", dtohs(screenHeightDp)); 2452 } 2453 if ((screenLayout&MASK_SCREENSIZE) != SCREENSIZE_ANY) { 2454 if (res.size() > 0) res.append("-"); 2455 switch (screenLayout&ResTable_config::MASK_SCREENSIZE) { 2456 case ResTable_config::SCREENSIZE_SMALL: 2457 res.append("small"); 2458 break; 2459 case ResTable_config::SCREENSIZE_NORMAL: 2460 res.append("normal"); 2461 break; 2462 case ResTable_config::SCREENSIZE_LARGE: 2463 res.append("large"); 2464 break; 2465 case ResTable_config::SCREENSIZE_XLARGE: 2466 res.append("xlarge"); 2467 break; 2468 default: 2469 res.appendFormat("screenLayoutSize=%d", 2470 dtohs(screenLayout&ResTable_config::MASK_SCREENSIZE)); 2471 break; 2472 } 2473 } 2474 if ((screenLayout&MASK_SCREENLONG) != 0) { 2475 if (res.size() > 0) res.append("-"); 2476 switch (screenLayout&ResTable_config::MASK_SCREENLONG) { 2477 case ResTable_config::SCREENLONG_NO: 2478 res.append("notlong"); 2479 break; 2480 case ResTable_config::SCREENLONG_YES: 2481 res.append("long"); 2482 break; 2483 default: 2484 res.appendFormat("screenLayoutLong=%d", 2485 dtohs(screenLayout&ResTable_config::MASK_SCREENLONG)); 2486 break; 2487 } 2488 } 2489 if (orientation != ORIENTATION_ANY) { 2490 if (res.size() > 0) res.append("-"); 2491 switch (orientation) { 2492 case ResTable_config::ORIENTATION_PORT: 2493 res.append("port"); 2494 break; 2495 case ResTable_config::ORIENTATION_LAND: 2496 res.append("land"); 2497 break; 2498 case ResTable_config::ORIENTATION_SQUARE: 2499 res.append("square"); 2500 break; 2501 default: 2502 res.appendFormat("orientation=%d", dtohs(orientation)); 2503 break; 2504 } 2505 } 2506 if ((uiMode&MASK_UI_MODE_TYPE) != UI_MODE_TYPE_ANY) { 2507 if (res.size() > 0) res.append("-"); 2508 switch (uiMode&ResTable_config::MASK_UI_MODE_TYPE) { 2509 case ResTable_config::UI_MODE_TYPE_DESK: 2510 res.append("desk"); 2511 break; 2512 case ResTable_config::UI_MODE_TYPE_CAR: 2513 res.append("car"); 2514 break; 2515 case ResTable_config::UI_MODE_TYPE_TELEVISION: 2516 res.append("television"); 2517 break; 2518 case ResTable_config::UI_MODE_TYPE_APPLIANCE: 2519 res.append("appliance"); 2520 break; 2521 default: 2522 res.appendFormat("uiModeType=%d", 2523 dtohs(screenLayout&ResTable_config::MASK_UI_MODE_TYPE)); 2524 break; 2525 } 2526 } 2527 if ((uiMode&MASK_UI_MODE_NIGHT) != 0) { 2528 if (res.size() > 0) res.append("-"); 2529 switch (uiMode&ResTable_config::MASK_UI_MODE_NIGHT) { 2530 case ResTable_config::UI_MODE_NIGHT_NO: 2531 res.append("notnight"); 2532 break; 2533 case ResTable_config::UI_MODE_NIGHT_YES: 2534 res.append("night"); 2535 break; 2536 default: 2537 res.appendFormat("uiModeNight=%d", 2538 dtohs(uiMode&MASK_UI_MODE_NIGHT)); 2539 break; 2540 } 2541 } 2542 if (density != DENSITY_DEFAULT) { 2543 if (res.size() > 0) res.append("-"); 2544 switch (density) { 2545 case ResTable_config::DENSITY_LOW: 2546 res.append("ldpi"); 2547 break; 2548 case ResTable_config::DENSITY_MEDIUM: 2549 res.append("mdpi"); 2550 break; 2551 case ResTable_config::DENSITY_TV: 2552 res.append("tvdpi"); 2553 break; 2554 case ResTable_config::DENSITY_HIGH: 2555 res.append("hdpi"); 2556 break; 2557 case ResTable_config::DENSITY_XHIGH: 2558 res.append("xhdpi"); 2559 break; 2560 case ResTable_config::DENSITY_XXHIGH: 2561 res.append("xxhdpi"); 2562 break; 2563 case ResTable_config::DENSITY_NONE: 2564 res.append("nodpi"); 2565 break; 2566 default: 2567 res.appendFormat("%ddpi", dtohs(density)); 2568 break; 2569 } 2570 } 2571 if (touchscreen != TOUCHSCREEN_ANY) { 2572 if (res.size() > 0) res.append("-"); 2573 switch (touchscreen) { 2574 case ResTable_config::TOUCHSCREEN_NOTOUCH: 2575 res.append("notouch"); 2576 break; 2577 case ResTable_config::TOUCHSCREEN_FINGER: 2578 res.append("finger"); 2579 break; 2580 case ResTable_config::TOUCHSCREEN_STYLUS: 2581 res.append("stylus"); 2582 break; 2583 default: 2584 res.appendFormat("touchscreen=%d", dtohs(touchscreen)); 2585 break; 2586 } 2587 } 2588 if (keyboard != KEYBOARD_ANY) { 2589 if (res.size() > 0) res.append("-"); 2590 switch (keyboard) { 2591 case ResTable_config::KEYBOARD_NOKEYS: 2592 res.append("nokeys"); 2593 break; 2594 case ResTable_config::KEYBOARD_QWERTY: 2595 res.append("qwerty"); 2596 break; 2597 case ResTable_config::KEYBOARD_12KEY: 2598 res.append("12key"); 2599 break; 2600 default: 2601 res.appendFormat("keyboard=%d", dtohs(keyboard)); 2602 break; 2603 } 2604 } 2605 if ((inputFlags&MASK_KEYSHIDDEN) != 0) { 2606 if (res.size() > 0) res.append("-"); 2607 switch (inputFlags&MASK_KEYSHIDDEN) { 2608 case ResTable_config::KEYSHIDDEN_NO: 2609 res.append("keysexposed"); 2610 break; 2611 case ResTable_config::KEYSHIDDEN_YES: 2612 res.append("keyshidden"); 2613 break; 2614 case ResTable_config::KEYSHIDDEN_SOFT: 2615 res.append("keyssoft"); 2616 break; 2617 } 2618 } 2619 if (navigation != NAVIGATION_ANY) { 2620 if (res.size() > 0) res.append("-"); 2621 switch (navigation) { 2622 case ResTable_config::NAVIGATION_NONAV: 2623 res.append("nonav"); 2624 break; 2625 case ResTable_config::NAVIGATION_DPAD: 2626 res.append("dpad"); 2627 break; 2628 case ResTable_config::NAVIGATION_TRACKBALL: 2629 res.append("trackball"); 2630 break; 2631 case ResTable_config::NAVIGATION_WHEEL: 2632 res.append("wheel"); 2633 break; 2634 default: 2635 res.appendFormat("navigation=%d", dtohs(navigation)); 2636 break; 2637 } 2638 } 2639 if ((inputFlags&MASK_NAVHIDDEN) != 0) { 2640 if (res.size() > 0) res.append("-"); 2641 switch (inputFlags&MASK_NAVHIDDEN) { 2642 case ResTable_config::NAVHIDDEN_NO: 2643 res.append("navsexposed"); 2644 break; 2645 case ResTable_config::NAVHIDDEN_YES: 2646 res.append("navhidden"); 2647 break; 2648 default: 2649 res.appendFormat("inputFlagsNavHidden=%d", 2650 dtohs(inputFlags&MASK_NAVHIDDEN)); 2651 break; 2652 } 2653 } 2654 if (screenSize != 0) { 2655 if (res.size() > 0) res.append("-"); 2656 res.appendFormat("%dx%d", dtohs(screenWidth), dtohs(screenHeight)); 2657 } 2658 if (version != 0) { 2659 if (res.size() > 0) res.append("-"); 2660 res.appendFormat("v%d", dtohs(sdkVersion)); 2661 if (minorVersion != 0) { 2662 res.appendFormat(".%d", dtohs(minorVersion)); 2663 } 2664 } 2665 2666 return res; 2667} 2668 2669// -------------------------------------------------------------------- 2670// -------------------------------------------------------------------- 2671// -------------------------------------------------------------------- 2672 2673struct ResTable::Header 2674{ 2675 Header(ResTable* _owner) : owner(_owner), ownedData(NULL), header(NULL), 2676 resourceIDMap(NULL), resourceIDMapSize(0) { } 2677 2678 ~Header() 2679 { 2680 free(resourceIDMap); 2681 } 2682 2683 ResTable* const owner; 2684 void* ownedData; 2685 const ResTable_header* header; 2686 size_t size; 2687 const uint8_t* dataEnd; 2688 size_t index; 2689 int32_t cookie; 2690 2691 ResStringPool values; 2692 uint32_t* resourceIDMap; 2693 size_t resourceIDMapSize; 2694}; 2695 2696struct ResTable::Type 2697{ 2698 Type(const Header* _header, const Package* _package, size_t count) 2699 : header(_header), package(_package), entryCount(count), 2700 typeSpec(NULL), typeSpecFlags(NULL) { } 2701 const Header* const header; 2702 const Package* const package; 2703 const size_t entryCount; 2704 const ResTable_typeSpec* typeSpec; 2705 const uint32_t* typeSpecFlags; 2706 Vector<const ResTable_type*> configs; 2707}; 2708 2709struct ResTable::Package 2710{ 2711 Package(ResTable* _owner, const Header* _header, const ResTable_package* _package) 2712 : owner(_owner), header(_header), package(_package) { } 2713 ~Package() 2714 { 2715 size_t i = types.size(); 2716 while (i > 0) { 2717 i--; 2718 delete types[i]; 2719 } 2720 } 2721 2722 ResTable* const owner; 2723 const Header* const header; 2724 const ResTable_package* const package; 2725 Vector<Type*> types; 2726 2727 ResStringPool typeStrings; 2728 ResStringPool keyStrings; 2729 2730 const Type* getType(size_t idx) const { 2731 return idx < types.size() ? types[idx] : NULL; 2732 } 2733}; 2734 2735// A group of objects describing a particular resource package. 2736// The first in 'package' is always the root object (from the resource 2737// table that defined the package); the ones after are skins on top of it. 2738struct ResTable::PackageGroup 2739{ 2740 PackageGroup(ResTable* _owner, const String16& _name, uint32_t _id) 2741 : owner(_owner), name(_name), id(_id), typeCount(0), bags(NULL) { } 2742 ~PackageGroup() { 2743 clearBagCache(); 2744 const size_t N = packages.size(); 2745 for (size_t i=0; i<N; i++) { 2746 Package* pkg = packages[i]; 2747 if (pkg->owner == owner) { 2748 delete pkg; 2749 } 2750 } 2751 } 2752 2753 void clearBagCache() { 2754 if (bags) { 2755 TABLE_NOISY(printf("bags=%p\n", bags)); 2756 Package* pkg = packages[0]; 2757 TABLE_NOISY(printf("typeCount=%x\n", typeCount)); 2758 for (size_t i=0; i<typeCount; i++) { 2759 TABLE_NOISY(printf("type=%d\n", i)); 2760 const Type* type = pkg->getType(i); 2761 if (type != NULL) { 2762 bag_set** typeBags = bags[i]; 2763 TABLE_NOISY(printf("typeBags=%p\n", typeBags)); 2764 if (typeBags) { 2765 TABLE_NOISY(printf("type->entryCount=%x\n", type->entryCount)); 2766 const size_t N = type->entryCount; 2767 for (size_t j=0; j<N; j++) { 2768 if (typeBags[j] && typeBags[j] != (bag_set*)0xFFFFFFFF) 2769 free(typeBags[j]); 2770 } 2771 free(typeBags); 2772 } 2773 } 2774 } 2775 free(bags); 2776 bags = NULL; 2777 } 2778 } 2779 2780 ResTable* const owner; 2781 String16 const name; 2782 uint32_t const id; 2783 Vector<Package*> packages; 2784 2785 // This is for finding typeStrings and other common package stuff. 2786 Package* basePackage; 2787 2788 // For quick access. 2789 size_t typeCount; 2790 2791 // Computed attribute bags, first indexed by the type and second 2792 // by the entry in that type. 2793 bag_set*** bags; 2794}; 2795 2796struct ResTable::bag_set 2797{ 2798 size_t numAttrs; // number in array 2799 size_t availAttrs; // total space in array 2800 uint32_t typeSpecFlags; 2801 // Followed by 'numAttr' bag_entry structures. 2802}; 2803 2804ResTable::Theme::Theme(const ResTable& table) 2805 : mTable(table) 2806{ 2807 memset(mPackages, 0, sizeof(mPackages)); 2808} 2809 2810ResTable::Theme::~Theme() 2811{ 2812 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2813 package_info* pi = mPackages[i]; 2814 if (pi != NULL) { 2815 free_package(pi); 2816 } 2817 } 2818} 2819 2820void ResTable::Theme::free_package(package_info* pi) 2821{ 2822 for (size_t j=0; j<pi->numTypes; j++) { 2823 theme_entry* te = pi->types[j].entries; 2824 if (te != NULL) { 2825 free(te); 2826 } 2827 } 2828 free(pi); 2829} 2830 2831ResTable::Theme::package_info* ResTable::Theme::copy_package(package_info* pi) 2832{ 2833 package_info* newpi = (package_info*)malloc( 2834 sizeof(package_info) + (pi->numTypes*sizeof(type_info))); 2835 newpi->numTypes = pi->numTypes; 2836 for (size_t j=0; j<newpi->numTypes; j++) { 2837 size_t cnt = pi->types[j].numEntries; 2838 newpi->types[j].numEntries = cnt; 2839 theme_entry* te = pi->types[j].entries; 2840 if (te != NULL) { 2841 theme_entry* newte = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 2842 newpi->types[j].entries = newte; 2843 memcpy(newte, te, cnt*sizeof(theme_entry)); 2844 } else { 2845 newpi->types[j].entries = NULL; 2846 } 2847 } 2848 return newpi; 2849} 2850 2851status_t ResTable::Theme::applyStyle(uint32_t resID, bool force) 2852{ 2853 const bag_entry* bag; 2854 uint32_t bagTypeSpecFlags = 0; 2855 mTable.lock(); 2856 const ssize_t N = mTable.getBagLocked(resID, &bag, &bagTypeSpecFlags); 2857 TABLE_NOISY(ALOGV("Applying style 0x%08x to theme %p, count=%d", resID, this, N)); 2858 if (N < 0) { 2859 mTable.unlock(); 2860 return N; 2861 } 2862 2863 uint32_t curPackage = 0xffffffff; 2864 ssize_t curPackageIndex = 0; 2865 package_info* curPI = NULL; 2866 uint32_t curType = 0xffffffff; 2867 size_t numEntries = 0; 2868 theme_entry* curEntries = NULL; 2869 2870 const bag_entry* end = bag + N; 2871 while (bag < end) { 2872 const uint32_t attrRes = bag->map.name.ident; 2873 const uint32_t p = Res_GETPACKAGE(attrRes); 2874 const uint32_t t = Res_GETTYPE(attrRes); 2875 const uint32_t e = Res_GETENTRY(attrRes); 2876 2877 if (curPackage != p) { 2878 const ssize_t pidx = mTable.getResourcePackageIndex(attrRes); 2879 if (pidx < 0) { 2880 ALOGE("Style contains key with bad package: 0x%08x\n", attrRes); 2881 bag++; 2882 continue; 2883 } 2884 curPackage = p; 2885 curPackageIndex = pidx; 2886 curPI = mPackages[pidx]; 2887 if (curPI == NULL) { 2888 PackageGroup* const grp = mTable.mPackageGroups[pidx]; 2889 int cnt = grp->typeCount; 2890 curPI = (package_info*)malloc( 2891 sizeof(package_info) + (cnt*sizeof(type_info))); 2892 curPI->numTypes = cnt; 2893 memset(curPI->types, 0, cnt*sizeof(type_info)); 2894 mPackages[pidx] = curPI; 2895 } 2896 curType = 0xffffffff; 2897 } 2898 if (curType != t) { 2899 if (t >= curPI->numTypes) { 2900 ALOGE("Style contains key with bad type: 0x%08x\n", attrRes); 2901 bag++; 2902 continue; 2903 } 2904 curType = t; 2905 curEntries = curPI->types[t].entries; 2906 if (curEntries == NULL) { 2907 PackageGroup* const grp = mTable.mPackageGroups[curPackageIndex]; 2908 const Type* type = grp->packages[0]->getType(t); 2909 int cnt = type != NULL ? type->entryCount : 0; 2910 curEntries = (theme_entry*)malloc(cnt*sizeof(theme_entry)); 2911 memset(curEntries, Res_value::TYPE_NULL, cnt*sizeof(theme_entry)); 2912 curPI->types[t].numEntries = cnt; 2913 curPI->types[t].entries = curEntries; 2914 } 2915 numEntries = curPI->types[t].numEntries; 2916 } 2917 if (e >= numEntries) { 2918 ALOGE("Style contains key with bad entry: 0x%08x\n", attrRes); 2919 bag++; 2920 continue; 2921 } 2922 theme_entry* curEntry = curEntries + e; 2923 TABLE_NOISY(ALOGV("Attr 0x%08x: type=0x%x, data=0x%08x; curType=0x%x", 2924 attrRes, bag->map.value.dataType, bag->map.value.data, 2925 curEntry->value.dataType)); 2926 if (force || curEntry->value.dataType == Res_value::TYPE_NULL) { 2927 curEntry->stringBlock = bag->stringBlock; 2928 curEntry->typeSpecFlags |= bagTypeSpecFlags; 2929 curEntry->value = bag->map.value; 2930 } 2931 2932 bag++; 2933 } 2934 2935 mTable.unlock(); 2936 2937 //ALOGI("Applying style 0x%08x (force=%d) theme %p...\n", resID, force, this); 2938 //dumpToLog(); 2939 2940 return NO_ERROR; 2941} 2942 2943status_t ResTable::Theme::setTo(const Theme& other) 2944{ 2945 //ALOGI("Setting theme %p from theme %p...\n", this, &other); 2946 //dumpToLog(); 2947 //other.dumpToLog(); 2948 2949 if (&mTable == &other.mTable) { 2950 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2951 if (mPackages[i] != NULL) { 2952 free_package(mPackages[i]); 2953 } 2954 if (other.mPackages[i] != NULL) { 2955 mPackages[i] = copy_package(other.mPackages[i]); 2956 } else { 2957 mPackages[i] = NULL; 2958 } 2959 } 2960 } else { 2961 // @todo: need to really implement this, not just copy 2962 // the system package (which is still wrong because it isn't 2963 // fixing up resource references). 2964 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 2965 if (mPackages[i] != NULL) { 2966 free_package(mPackages[i]); 2967 } 2968 if (i == 0 && other.mPackages[i] != NULL) { 2969 mPackages[i] = copy_package(other.mPackages[i]); 2970 } else { 2971 mPackages[i] = NULL; 2972 } 2973 } 2974 } 2975 2976 //ALOGI("Final theme:"); 2977 //dumpToLog(); 2978 2979 return NO_ERROR; 2980} 2981 2982ssize_t ResTable::Theme::getAttribute(uint32_t resID, Res_value* outValue, 2983 uint32_t* outTypeSpecFlags) const 2984{ 2985 int cnt = 20; 2986 2987 if (outTypeSpecFlags != NULL) *outTypeSpecFlags = 0; 2988 2989 do { 2990 const ssize_t p = mTable.getResourcePackageIndex(resID); 2991 const uint32_t t = Res_GETTYPE(resID); 2992 const uint32_t e = Res_GETENTRY(resID); 2993 2994 TABLE_THEME(ALOGI("Looking up attr 0x%08x in theme %p", resID, this)); 2995 2996 if (p >= 0) { 2997 const package_info* const pi = mPackages[p]; 2998 TABLE_THEME(ALOGI("Found package: %p", pi)); 2999 if (pi != NULL) { 3000 TABLE_THEME(ALOGI("Desired type index is %ld in avail %d", t, pi->numTypes)); 3001 if (t < pi->numTypes) { 3002 const type_info& ti = pi->types[t]; 3003 TABLE_THEME(ALOGI("Desired entry index is %ld in avail %d", e, ti.numEntries)); 3004 if (e < ti.numEntries) { 3005 const theme_entry& te = ti.entries[e]; 3006 if (outTypeSpecFlags != NULL) { 3007 *outTypeSpecFlags |= te.typeSpecFlags; 3008 } 3009 TABLE_THEME(ALOGI("Theme value: type=0x%x, data=0x%08x", 3010 te.value.dataType, te.value.data)); 3011 const uint8_t type = te.value.dataType; 3012 if (type == Res_value::TYPE_ATTRIBUTE) { 3013 if (cnt > 0) { 3014 cnt--; 3015 resID = te.value.data; 3016 continue; 3017 } 3018 ALOGW("Too many attribute references, stopped at: 0x%08x\n", resID); 3019 return BAD_INDEX; 3020 } else if (type != Res_value::TYPE_NULL) { 3021 *outValue = te.value; 3022 return te.stringBlock; 3023 } 3024 return BAD_INDEX; 3025 } 3026 } 3027 } 3028 } 3029 break; 3030 3031 } while (true); 3032 3033 return BAD_INDEX; 3034} 3035 3036ssize_t ResTable::Theme::resolveAttributeReference(Res_value* inOutValue, 3037 ssize_t blockIndex, uint32_t* outLastRef, 3038 uint32_t* inoutTypeSpecFlags, ResTable_config* inoutConfig) const 3039{ 3040 //printf("Resolving type=0x%x\n", inOutValue->dataType); 3041 if (inOutValue->dataType == Res_value::TYPE_ATTRIBUTE) { 3042 uint32_t newTypeSpecFlags; 3043 blockIndex = getAttribute(inOutValue->data, inOutValue, &newTypeSpecFlags); 3044 TABLE_THEME(ALOGI("Resolving attr reference: blockIndex=%d, type=0x%x, data=%p\n", 3045 (int)blockIndex, (int)inOutValue->dataType, (void*)inOutValue->data)); 3046 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newTypeSpecFlags; 3047 //printf("Retrieved attribute new type=0x%x\n", inOutValue->dataType); 3048 if (blockIndex < 0) { 3049 return blockIndex; 3050 } 3051 } 3052 return mTable.resolveReference(inOutValue, blockIndex, outLastRef, 3053 inoutTypeSpecFlags, inoutConfig); 3054} 3055 3056void ResTable::Theme::dumpToLog() const 3057{ 3058 ALOGI("Theme %p:\n", this); 3059 for (size_t i=0; i<Res_MAXPACKAGE; i++) { 3060 package_info* pi = mPackages[i]; 3061 if (pi == NULL) continue; 3062 3063 ALOGI(" Package #0x%02x:\n", (int)(i+1)); 3064 for (size_t j=0; j<pi->numTypes; j++) { 3065 type_info& ti = pi->types[j]; 3066 if (ti.numEntries == 0) continue; 3067 3068 ALOGI(" Type #0x%02x:\n", (int)(j+1)); 3069 for (size_t k=0; k<ti.numEntries; k++) { 3070 theme_entry& te = ti.entries[k]; 3071 if (te.value.dataType == Res_value::TYPE_NULL) continue; 3072 ALOGI(" 0x%08x: t=0x%x, d=0x%08x (block=%d)\n", 3073 (int)Res_MAKEID(i, j, k), 3074 te.value.dataType, (int)te.value.data, (int)te.stringBlock); 3075 } 3076 } 3077 } 3078} 3079 3080ResTable::ResTable() 3081 : mError(NO_INIT) 3082{ 3083 memset(&mParams, 0, sizeof(mParams)); 3084 memset(mPackageMap, 0, sizeof(mPackageMap)); 3085 //ALOGI("Creating ResTable %p\n", this); 3086} 3087 3088ResTable::ResTable(const void* data, size_t size, const int32_t cookie, bool copyData) 3089 : mError(NO_INIT) 3090{ 3091 memset(&mParams, 0, sizeof(mParams)); 3092 memset(mPackageMap, 0, sizeof(mPackageMap)); 3093 addInternal(data, size, cookie, NULL /* asset */, copyData, NULL /* idMap */); 3094 LOG_FATAL_IF(mError != NO_ERROR, "Error parsing resource table"); 3095 //ALOGI("Creating ResTable %p\n", this); 3096} 3097 3098ResTable::~ResTable() 3099{ 3100 //ALOGI("Destroying ResTable in %p\n", this); 3101 uninit(); 3102} 3103 3104inline ssize_t ResTable::getResourcePackageIndex(uint32_t resID) const 3105{ 3106 return ((ssize_t)mPackageMap[Res_GETPACKAGE(resID)+1])-1; 3107} 3108 3109status_t ResTable::add(const void* data, size_t size) { 3110 return addInternal(data, size, 0 /* cookie */, NULL /* asset */, 3111 false /* copyData */, NULL /* idMap */); 3112} 3113 3114status_t ResTable::add(Asset* asset, const int32_t cookie, bool copyData, const void* idmap) 3115{ 3116 const void* data = asset->getBuffer(true); 3117 if (data == NULL) { 3118 ALOGW("Unable to get buffer of resource asset file"); 3119 return UNKNOWN_ERROR; 3120 } 3121 size_t size = (size_t)asset->getLength(); 3122 return addInternal(data, size, cookie, asset, copyData, 3123 reinterpret_cast<const Asset*>(idmap)); 3124} 3125 3126status_t ResTable::add(ResTable* src) 3127{ 3128 mError = src->mError; 3129 3130 for (size_t i=0; i<src->mHeaders.size(); i++) { 3131 mHeaders.add(src->mHeaders[i]); 3132 } 3133 3134 for (size_t i=0; i<src->mPackageGroups.size(); i++) { 3135 PackageGroup* srcPg = src->mPackageGroups[i]; 3136 PackageGroup* pg = new PackageGroup(this, srcPg->name, srcPg->id); 3137 for (size_t j=0; j<srcPg->packages.size(); j++) { 3138 pg->packages.add(srcPg->packages[j]); 3139 } 3140 pg->basePackage = srcPg->basePackage; 3141 pg->typeCount = srcPg->typeCount; 3142 mPackageGroups.add(pg); 3143 } 3144 3145 memcpy(mPackageMap, src->mPackageMap, sizeof(mPackageMap)); 3146 3147 return mError; 3148} 3149 3150status_t ResTable::addInternal(const void* data, size_t size, const int32_t cookie, 3151 Asset* asset, bool copyData, const Asset* idmap) 3152{ 3153 if (!data) return NO_ERROR; 3154 Header* header = new Header(this); 3155 header->index = mHeaders.size(); 3156 header->cookie = cookie; 3157 if (idmap != NULL) { 3158 const size_t idmap_size = idmap->getLength(); 3159 const void* idmap_data = const_cast<Asset*>(idmap)->getBuffer(true); 3160 header->resourceIDMap = (uint32_t*)malloc(idmap_size); 3161 if (header->resourceIDMap == NULL) { 3162 delete header; 3163 return (mError = NO_MEMORY); 3164 } 3165 memcpy((void*)header->resourceIDMap, idmap_data, idmap_size); 3166 header->resourceIDMapSize = idmap_size; 3167 } 3168 mHeaders.add(header); 3169 3170 const bool notDeviceEndian = htods(0xf0) != 0xf0; 3171 3172 LOAD_TABLE_NOISY( 3173 ALOGV("Adding resources to ResTable: data=%p, size=0x%x, cookie=%d, asset=%p, copy=%d " 3174 "idmap=%p\n", data, size, cookie, asset, copyData, idmap)); 3175 3176 if (copyData || notDeviceEndian) { 3177 header->ownedData = malloc(size); 3178 if (header->ownedData == NULL) { 3179 return (mError=NO_MEMORY); 3180 } 3181 memcpy(header->ownedData, data, size); 3182 data = header->ownedData; 3183 } 3184 3185 header->header = (const ResTable_header*)data; 3186 header->size = dtohl(header->header->header.size); 3187 //ALOGI("Got size 0x%x, again size 0x%x, raw size 0x%x\n", header->size, 3188 // dtohl(header->header->header.size), header->header->header.size); 3189 LOAD_TABLE_NOISY(ALOGV("Loading ResTable @%p:\n", header->header)); 3190 LOAD_TABLE_NOISY(printHexData(2, header->header, header->size < 256 ? header->size : 256, 3191 16, 16, 0, false, printToLogFunc)); 3192 if (dtohs(header->header->header.headerSize) > header->size 3193 || header->size > size) { 3194 ALOGW("Bad resource table: header size 0x%x or total size 0x%x is larger than data size 0x%x\n", 3195 (int)dtohs(header->header->header.headerSize), 3196 (int)header->size, (int)size); 3197 return (mError=BAD_TYPE); 3198 } 3199 if (((dtohs(header->header->header.headerSize)|header->size)&0x3) != 0) { 3200 ALOGW("Bad resource table: header size 0x%x or total size 0x%x is not on an integer boundary\n", 3201 (int)dtohs(header->header->header.headerSize), 3202 (int)header->size); 3203 return (mError=BAD_TYPE); 3204 } 3205 header->dataEnd = ((const uint8_t*)header->header) + header->size; 3206 3207 // Iterate through all chunks. 3208 size_t curPackage = 0; 3209 3210 const ResChunk_header* chunk = 3211 (const ResChunk_header*)(((const uint8_t*)header->header) 3212 + dtohs(header->header->header.headerSize)); 3213 while (((const uint8_t*)chunk) <= (header->dataEnd-sizeof(ResChunk_header)) && 3214 ((const uint8_t*)chunk) <= (header->dataEnd-dtohl(chunk->size))) { 3215 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), header->dataEnd, "ResTable"); 3216 if (err != NO_ERROR) { 3217 return (mError=err); 3218 } 3219 TABLE_NOISY(ALOGV("Chunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 3220 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 3221 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 3222 const size_t csize = dtohl(chunk->size); 3223 const uint16_t ctype = dtohs(chunk->type); 3224 if (ctype == RES_STRING_POOL_TYPE) { 3225 if (header->values.getError() != NO_ERROR) { 3226 // Only use the first string chunk; ignore any others that 3227 // may appear. 3228 status_t err = header->values.setTo(chunk, csize); 3229 if (err != NO_ERROR) { 3230 return (mError=err); 3231 } 3232 } else { 3233 ALOGW("Multiple string chunks found in resource table."); 3234 } 3235 } else if (ctype == RES_TABLE_PACKAGE_TYPE) { 3236 if (curPackage >= dtohl(header->header->packageCount)) { 3237 ALOGW("More package chunks were found than the %d declared in the header.", 3238 dtohl(header->header->packageCount)); 3239 return (mError=BAD_TYPE); 3240 } 3241 uint32_t idmap_id = 0; 3242 if (idmap != NULL) { 3243 uint32_t tmp; 3244 if (getIdmapPackageId(header->resourceIDMap, 3245 header->resourceIDMapSize, 3246 &tmp) == NO_ERROR) { 3247 idmap_id = tmp; 3248 } 3249 } 3250 if (parsePackage((ResTable_package*)chunk, header, idmap_id) != NO_ERROR) { 3251 return mError; 3252 } 3253 curPackage++; 3254 } else { 3255 ALOGW("Unknown chunk type %p in table at %p.\n", 3256 (void*)(int)(ctype), 3257 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header))); 3258 } 3259 chunk = (const ResChunk_header*) 3260 (((const uint8_t*)chunk) + csize); 3261 } 3262 3263 if (curPackage < dtohl(header->header->packageCount)) { 3264 ALOGW("Fewer package chunks (%d) were found than the %d declared in the header.", 3265 (int)curPackage, dtohl(header->header->packageCount)); 3266 return (mError=BAD_TYPE); 3267 } 3268 mError = header->values.getError(); 3269 if (mError != NO_ERROR) { 3270 ALOGW("No string values found in resource table!"); 3271 } 3272 3273 TABLE_NOISY(ALOGV("Returning from add with mError=%d\n", mError)); 3274 return mError; 3275} 3276 3277status_t ResTable::getError() const 3278{ 3279 return mError; 3280} 3281 3282void ResTable::uninit() 3283{ 3284 mError = NO_INIT; 3285 size_t N = mPackageGroups.size(); 3286 for (size_t i=0; i<N; i++) { 3287 PackageGroup* g = mPackageGroups[i]; 3288 delete g; 3289 } 3290 N = mHeaders.size(); 3291 for (size_t i=0; i<N; i++) { 3292 Header* header = mHeaders[i]; 3293 if (header->owner == this) { 3294 if (header->ownedData) { 3295 free(header->ownedData); 3296 } 3297 delete header; 3298 } 3299 } 3300 3301 mPackageGroups.clear(); 3302 mHeaders.clear(); 3303} 3304 3305bool ResTable::getResourceName(uint32_t resID, bool allowUtf8, resource_name* outName) const 3306{ 3307 if (mError != NO_ERROR) { 3308 return false; 3309 } 3310 3311 const ssize_t p = getResourcePackageIndex(resID); 3312 const int t = Res_GETTYPE(resID); 3313 const int e = Res_GETENTRY(resID); 3314 3315 if (p < 0) { 3316 if (Res_GETPACKAGE(resID)+1 == 0) { 3317 ALOGW("No package identifier when getting name for resource number 0x%08x", resID); 3318 } else { 3319 ALOGW("No known package when getting name for resource number 0x%08x", resID); 3320 } 3321 return false; 3322 } 3323 if (t < 0) { 3324 ALOGW("No type identifier when getting name for resource number 0x%08x", resID); 3325 return false; 3326 } 3327 3328 const PackageGroup* const grp = mPackageGroups[p]; 3329 if (grp == NULL) { 3330 ALOGW("Bad identifier when getting name for resource number 0x%08x", resID); 3331 return false; 3332 } 3333 if (grp->packages.size() > 0) { 3334 const Package* const package = grp->packages[0]; 3335 3336 const ResTable_type* type; 3337 const ResTable_entry* entry; 3338 ssize_t offset = getEntry(package, t, e, NULL, &type, &entry, NULL); 3339 if (offset <= 0) { 3340 return false; 3341 } 3342 3343 outName->package = grp->name.string(); 3344 outName->packageLen = grp->name.size(); 3345 if (allowUtf8) { 3346 outName->type8 = grp->basePackage->typeStrings.string8At(t, &outName->typeLen); 3347 outName->name8 = grp->basePackage->keyStrings.string8At( 3348 dtohl(entry->key.index), &outName->nameLen); 3349 } else { 3350 outName->type8 = NULL; 3351 outName->name8 = NULL; 3352 } 3353 if (outName->type8 == NULL) { 3354 outName->type = grp->basePackage->typeStrings.stringAt(t, &outName->typeLen); 3355 // If we have a bad index for some reason, we should abort. 3356 if (outName->type == NULL) { 3357 return false; 3358 } 3359 } 3360 if (outName->name8 == NULL) { 3361 outName->name = grp->basePackage->keyStrings.stringAt( 3362 dtohl(entry->key.index), &outName->nameLen); 3363 // If we have a bad index for some reason, we should abort. 3364 if (outName->name == NULL) { 3365 return false; 3366 } 3367 } 3368 3369 return true; 3370 } 3371 3372 return false; 3373} 3374 3375ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag, uint16_t density, 3376 uint32_t* outSpecFlags, ResTable_config* outConfig) const 3377{ 3378 if (mError != NO_ERROR) { 3379 return mError; 3380 } 3381 3382 const ssize_t p = getResourcePackageIndex(resID); 3383 const int t = Res_GETTYPE(resID); 3384 const int e = Res_GETENTRY(resID); 3385 3386 if (p < 0) { 3387 if (Res_GETPACKAGE(resID)+1 == 0) { 3388 ALOGW("No package identifier when getting value for resource number 0x%08x", resID); 3389 } else { 3390 ALOGW("No known package when getting value for resource number 0x%08x", resID); 3391 } 3392 return BAD_INDEX; 3393 } 3394 if (t < 0) { 3395 ALOGW("No type identifier when getting value for resource number 0x%08x", resID); 3396 return BAD_INDEX; 3397 } 3398 3399 const Res_value* bestValue = NULL; 3400 const Package* bestPackage = NULL; 3401 ResTable_config bestItem; 3402 memset(&bestItem, 0, sizeof(bestItem)); // make the compiler shut up 3403 3404 if (outSpecFlags != NULL) *outSpecFlags = 0; 3405 3406 // Look through all resource packages, starting with the most 3407 // recently added. 3408 const PackageGroup* const grp = mPackageGroups[p]; 3409 if (grp == NULL) { 3410 ALOGW("Bad identifier when getting value for resource number 0x%08x", resID); 3411 return BAD_INDEX; 3412 } 3413 3414 // Allow overriding density 3415 const ResTable_config* desiredConfig = &mParams; 3416 ResTable_config* overrideConfig = NULL; 3417 if (density > 0) { 3418 overrideConfig = (ResTable_config*) malloc(sizeof(ResTable_config)); 3419 if (overrideConfig == NULL) { 3420 ALOGE("Couldn't malloc ResTable_config for overrides: %s", strerror(errno)); 3421 return BAD_INDEX; 3422 } 3423 memcpy(overrideConfig, &mParams, sizeof(ResTable_config)); 3424 overrideConfig->density = density; 3425 desiredConfig = overrideConfig; 3426 } 3427 3428 ssize_t rc = BAD_VALUE; 3429 size_t ip = grp->packages.size(); 3430 while (ip > 0) { 3431 ip--; 3432 int T = t; 3433 int E = e; 3434 3435 const Package* const package = grp->packages[ip]; 3436 if (package->header->resourceIDMap) { 3437 uint32_t overlayResID = 0x0; 3438 status_t retval = idmapLookup(package->header->resourceIDMap, 3439 package->header->resourceIDMapSize, 3440 resID, &overlayResID); 3441 if (retval == NO_ERROR && overlayResID != 0x0) { 3442 // for this loop iteration, this is the type and entry we really want 3443 ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); 3444 T = Res_GETTYPE(overlayResID); 3445 E = Res_GETENTRY(overlayResID); 3446 } else { 3447 // resource not present in overlay package, continue with the next package 3448 continue; 3449 } 3450 } 3451 3452 const ResTable_type* type; 3453 const ResTable_entry* entry; 3454 const Type* typeClass; 3455 ssize_t offset = getEntry(package, T, E, desiredConfig, &type, &entry, &typeClass); 3456 if (offset <= 0) { 3457 // No {entry, appropriate config} pair found in package. If this 3458 // package is an overlay package (ip != 0), this simply means the 3459 // overlay package did not specify a default. 3460 // Non-overlay packages are still required to provide a default. 3461 if (offset < 0 && ip == 0) { 3462 ALOGW("Failure getting entry for 0x%08x (t=%d e=%d) in package %zd (error %d)\n", 3463 resID, T, E, ip, (int)offset); 3464 rc = offset; 3465 goto out; 3466 } 3467 continue; 3468 } 3469 3470 if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) != 0) { 3471 if (!mayBeBag) { 3472 ALOGW("Requesting resource %p failed because it is complex\n", 3473 (void*)resID); 3474 } 3475 continue; 3476 } 3477 3478 TABLE_NOISY(aout << "Resource type data: " 3479 << HexDump(type, dtohl(type->header.size)) << endl); 3480 3481 if ((size_t)offset > (dtohl(type->header.size)-sizeof(Res_value))) { 3482 ALOGW("ResTable_item at %d is beyond type chunk data %d", 3483 (int)offset, dtohl(type->header.size)); 3484 rc = BAD_TYPE; 3485 goto out; 3486 } 3487 3488 const Res_value* item = 3489 (const Res_value*)(((const uint8_t*)type) + offset); 3490 ResTable_config thisConfig; 3491 thisConfig.copyFromDtoH(type->config); 3492 3493 if (outSpecFlags != NULL) { 3494 if (typeClass->typeSpecFlags != NULL) { 3495 *outSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); 3496 } else { 3497 *outSpecFlags = -1; 3498 } 3499 } 3500 3501 if (bestPackage != NULL && 3502 (bestItem.isMoreSpecificThan(thisConfig) || bestItem.diff(thisConfig) == 0)) { 3503 // Discard thisConfig not only if bestItem is more specific, but also if the two configs 3504 // are identical (diff == 0), or overlay packages will not take effect. 3505 continue; 3506 } 3507 3508 bestItem = thisConfig; 3509 bestValue = item; 3510 bestPackage = package; 3511 } 3512 3513 TABLE_NOISY(printf("Found result: package %p\n", bestPackage)); 3514 3515 if (bestValue) { 3516 outValue->size = dtohs(bestValue->size); 3517 outValue->res0 = bestValue->res0; 3518 outValue->dataType = bestValue->dataType; 3519 outValue->data = dtohl(bestValue->data); 3520 if (outConfig != NULL) { 3521 *outConfig = bestItem; 3522 } 3523 TABLE_NOISY(size_t len; 3524 printf("Found value: pkg=%d, type=%d, str=%s, int=%d\n", 3525 bestPackage->header->index, 3526 outValue->dataType, 3527 outValue->dataType == bestValue->TYPE_STRING 3528 ? String8(bestPackage->header->values.stringAt( 3529 outValue->data, &len)).string() 3530 : "", 3531 outValue->data)); 3532 rc = bestPackage->header->index; 3533 goto out; 3534 } 3535 3536out: 3537 if (overrideConfig != NULL) { 3538 free(overrideConfig); 3539 } 3540 3541 return rc; 3542} 3543 3544ssize_t ResTable::resolveReference(Res_value* value, ssize_t blockIndex, 3545 uint32_t* outLastRef, uint32_t* inoutTypeSpecFlags, 3546 ResTable_config* outConfig) const 3547{ 3548 int count=0; 3549 while (blockIndex >= 0 && value->dataType == value->TYPE_REFERENCE 3550 && value->data != 0 && count < 20) { 3551 if (outLastRef) *outLastRef = value->data; 3552 uint32_t lastRef = value->data; 3553 uint32_t newFlags = 0; 3554 const ssize_t newIndex = getResource(value->data, value, true, 0, &newFlags, 3555 outConfig); 3556 if (newIndex == BAD_INDEX) { 3557 return BAD_INDEX; 3558 } 3559 TABLE_THEME(ALOGI("Resolving reference %p: newIndex=%d, type=0x%x, data=%p\n", 3560 (void*)lastRef, (int)newIndex, (int)value->dataType, (void*)value->data)); 3561 //printf("Getting reference 0x%08x: newIndex=%d\n", value->data, newIndex); 3562 if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newFlags; 3563 if (newIndex < 0) { 3564 // This can fail if the resource being referenced is a style... 3565 // in this case, just return the reference, and expect the 3566 // caller to deal with. 3567 return blockIndex; 3568 } 3569 blockIndex = newIndex; 3570 count++; 3571 } 3572 return blockIndex; 3573} 3574 3575const char16_t* ResTable::valueToString( 3576 const Res_value* value, size_t stringBlock, 3577 char16_t tmpBuffer[TMP_BUFFER_SIZE], size_t* outLen) 3578{ 3579 if (!value) { 3580 return NULL; 3581 } 3582 if (value->dataType == value->TYPE_STRING) { 3583 return getTableStringBlock(stringBlock)->stringAt(value->data, outLen); 3584 } 3585 // XXX do int to string conversions. 3586 return NULL; 3587} 3588 3589ssize_t ResTable::lockBag(uint32_t resID, const bag_entry** outBag) const 3590{ 3591 mLock.lock(); 3592 ssize_t err = getBagLocked(resID, outBag); 3593 if (err < NO_ERROR) { 3594 //printf("*** get failed! unlocking\n"); 3595 mLock.unlock(); 3596 } 3597 return err; 3598} 3599 3600void ResTable::unlockBag(const bag_entry* bag) const 3601{ 3602 //printf("<<< unlockBag %p\n", this); 3603 mLock.unlock(); 3604} 3605 3606void ResTable::lock() const 3607{ 3608 mLock.lock(); 3609} 3610 3611void ResTable::unlock() const 3612{ 3613 mLock.unlock(); 3614} 3615 3616ssize_t ResTable::getBagLocked(uint32_t resID, const bag_entry** outBag, 3617 uint32_t* outTypeSpecFlags) const 3618{ 3619 if (mError != NO_ERROR) { 3620 return mError; 3621 } 3622 3623 const ssize_t p = getResourcePackageIndex(resID); 3624 const int t = Res_GETTYPE(resID); 3625 const int e = Res_GETENTRY(resID); 3626 3627 if (p < 0) { 3628 ALOGW("Invalid package identifier when getting bag for resource number 0x%08x", resID); 3629 return BAD_INDEX; 3630 } 3631 if (t < 0) { 3632 ALOGW("No type identifier when getting bag for resource number 0x%08x", resID); 3633 return BAD_INDEX; 3634 } 3635 3636 //printf("Get bag: id=0x%08x, p=%d, t=%d\n", resID, p, t); 3637 PackageGroup* const grp = mPackageGroups[p]; 3638 if (grp == NULL) { 3639 ALOGW("Bad identifier when getting bag for resource number 0x%08x", resID); 3640 return false; 3641 } 3642 3643 if (t >= (int)grp->typeCount) { 3644 ALOGW("Type identifier 0x%x is larger than type count 0x%x", 3645 t+1, (int)grp->typeCount); 3646 return BAD_INDEX; 3647 } 3648 3649 const Package* const basePackage = grp->packages[0]; 3650 3651 const Type* const typeConfigs = basePackage->getType(t); 3652 3653 const size_t NENTRY = typeConfigs->entryCount; 3654 if (e >= (int)NENTRY) { 3655 ALOGW("Entry identifier 0x%x is larger than entry count 0x%x", 3656 e, (int)typeConfigs->entryCount); 3657 return BAD_INDEX; 3658 } 3659 3660 // First see if we've already computed this bag... 3661 if (grp->bags) { 3662 bag_set** typeSet = grp->bags[t]; 3663 if (typeSet) { 3664 bag_set* set = typeSet[e]; 3665 if (set) { 3666 if (set != (bag_set*)0xFFFFFFFF) { 3667 if (outTypeSpecFlags != NULL) { 3668 *outTypeSpecFlags = set->typeSpecFlags; 3669 } 3670 *outBag = (bag_entry*)(set+1); 3671 //ALOGI("Found existing bag for: %p\n", (void*)resID); 3672 return set->numAttrs; 3673 } 3674 ALOGW("Attempt to retrieve bag 0x%08x which is invalid or in a cycle.", 3675 resID); 3676 return BAD_INDEX; 3677 } 3678 } 3679 } 3680 3681 // Bag not found, we need to compute it! 3682 if (!grp->bags) { 3683 grp->bags = (bag_set***)calloc(grp->typeCount, sizeof(bag_set*)); 3684 if (!grp->bags) return NO_MEMORY; 3685 } 3686 3687 bag_set** typeSet = grp->bags[t]; 3688 if (!typeSet) { 3689 typeSet = (bag_set**)calloc(NENTRY, sizeof(bag_set*)); 3690 if (!typeSet) return NO_MEMORY; 3691 grp->bags[t] = typeSet; 3692 } 3693 3694 // Mark that we are currently working on this one. 3695 typeSet[e] = (bag_set*)0xFFFFFFFF; 3696 3697 // This is what we are building. 3698 bag_set* set = NULL; 3699 3700 TABLE_NOISY(ALOGI("Building bag: %p\n", (void*)resID)); 3701 3702 ResTable_config bestConfig; 3703 memset(&bestConfig, 0, sizeof(bestConfig)); 3704 3705 // Now collect all bag attributes from all packages. 3706 size_t ip = grp->packages.size(); 3707 while (ip > 0) { 3708 ip--; 3709 int T = t; 3710 int E = e; 3711 3712 const Package* const package = grp->packages[ip]; 3713 if (package->header->resourceIDMap) { 3714 uint32_t overlayResID = 0x0; 3715 status_t retval = idmapLookup(package->header->resourceIDMap, 3716 package->header->resourceIDMapSize, 3717 resID, &overlayResID); 3718 if (retval == NO_ERROR && overlayResID != 0x0) { 3719 // for this loop iteration, this is the type and entry we really want 3720 ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); 3721 T = Res_GETTYPE(overlayResID); 3722 E = Res_GETENTRY(overlayResID); 3723 } else { 3724 // resource not present in overlay package, continue with the next package 3725 continue; 3726 } 3727 } 3728 3729 const ResTable_type* type; 3730 const ResTable_entry* entry; 3731 const Type* typeClass; 3732 ALOGV("Getting entry pkg=%p, t=%d, e=%d\n", package, T, E); 3733 ssize_t offset = getEntry(package, T, E, &mParams, &type, &entry, &typeClass); 3734 ALOGV("Resulting offset=%d\n", offset); 3735 if (offset <= 0) { 3736 // No {entry, appropriate config} pair found in package. If this 3737 // package is an overlay package (ip != 0), this simply means the 3738 // overlay package did not specify a default. 3739 // Non-overlay packages are still required to provide a default. 3740 if (offset < 0 && ip == 0) { 3741 if (set) free(set); 3742 return offset; 3743 } 3744 continue; 3745 } 3746 3747 if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) == 0) { 3748 ALOGW("Skipping entry %p in package table %d because it is not complex!\n", 3749 (void*)resID, (int)ip); 3750 continue; 3751 } 3752 3753 if (set != NULL && !type->config.isBetterThan(bestConfig, NULL)) { 3754 continue; 3755 } 3756 bestConfig = type->config; 3757 if (set) { 3758 free(set); 3759 set = NULL; 3760 } 3761 3762 const uint16_t entrySize = dtohs(entry->size); 3763 const uint32_t parent = entrySize >= sizeof(ResTable_map_entry) 3764 ? dtohl(((const ResTable_map_entry*)entry)->parent.ident) : 0; 3765 const uint32_t count = entrySize >= sizeof(ResTable_map_entry) 3766 ? dtohl(((const ResTable_map_entry*)entry)->count) : 0; 3767 3768 size_t N = count; 3769 3770 TABLE_NOISY(ALOGI("Found map: size=%p parent=%p count=%d\n", 3771 entrySize, parent, count)); 3772 3773 // If this map inherits from another, we need to start 3774 // with its parent's values. Otherwise start out empty. 3775 TABLE_NOISY(printf("Creating new bag, entrySize=0x%08x, parent=0x%08x\n", 3776 entrySize, parent)); 3777 if (parent) { 3778 const bag_entry* parentBag; 3779 uint32_t parentTypeSpecFlags = 0; 3780 const ssize_t NP = getBagLocked(parent, &parentBag, &parentTypeSpecFlags); 3781 const size_t NT = ((NP >= 0) ? NP : 0) + N; 3782 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*NT); 3783 if (set == NULL) { 3784 return NO_MEMORY; 3785 } 3786 if (NP > 0) { 3787 memcpy(set+1, parentBag, NP*sizeof(bag_entry)); 3788 set->numAttrs = NP; 3789 TABLE_NOISY(ALOGI("Initialized new bag with %d inherited attributes.\n", NP)); 3790 } else { 3791 TABLE_NOISY(ALOGI("Initialized new bag with no inherited attributes.\n")); 3792 set->numAttrs = 0; 3793 } 3794 set->availAttrs = NT; 3795 set->typeSpecFlags = parentTypeSpecFlags; 3796 } else { 3797 set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*N); 3798 if (set == NULL) { 3799 return NO_MEMORY; 3800 } 3801 set->numAttrs = 0; 3802 set->availAttrs = N; 3803 set->typeSpecFlags = 0; 3804 } 3805 3806 if (typeClass->typeSpecFlags != NULL) { 3807 set->typeSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); 3808 } else { 3809 set->typeSpecFlags = -1; 3810 } 3811 3812 // Now merge in the new attributes... 3813 ssize_t curOff = offset; 3814 const ResTable_map* map; 3815 bag_entry* entries = (bag_entry*)(set+1); 3816 size_t curEntry = 0; 3817 uint32_t pos = 0; 3818 TABLE_NOISY(ALOGI("Starting with set %p, entries=%p, avail=%d\n", 3819 set, entries, set->availAttrs)); 3820 while (pos < count) { 3821 TABLE_NOISY(printf("Now at %p\n", (void*)curOff)); 3822 3823 if ((size_t)curOff > (dtohl(type->header.size)-sizeof(ResTable_map))) { 3824 ALOGW("ResTable_map at %d is beyond type chunk data %d", 3825 (int)curOff, dtohl(type->header.size)); 3826 return BAD_TYPE; 3827 } 3828 map = (const ResTable_map*)(((const uint8_t*)type) + curOff); 3829 N++; 3830 3831 const uint32_t newName = htodl(map->name.ident); 3832 bool isInside; 3833 uint32_t oldName = 0; 3834 while ((isInside=(curEntry < set->numAttrs)) 3835 && (oldName=entries[curEntry].map.name.ident) < newName) { 3836 TABLE_NOISY(printf("#%d: Keeping existing attribute: 0x%08x\n", 3837 curEntry, entries[curEntry].map.name.ident)); 3838 curEntry++; 3839 } 3840 3841 if ((!isInside) || oldName != newName) { 3842 // This is a new attribute... figure out what to do with it. 3843 if (set->numAttrs >= set->availAttrs) { 3844 // Need to alloc more memory... 3845 const size_t newAvail = set->availAttrs+N; 3846 set = (bag_set*)realloc(set, 3847 sizeof(bag_set) 3848 + sizeof(bag_entry)*newAvail); 3849 if (set == NULL) { 3850 return NO_MEMORY; 3851 } 3852 set->availAttrs = newAvail; 3853 entries = (bag_entry*)(set+1); 3854 TABLE_NOISY(printf("Reallocated set %p, entries=%p, avail=%d\n", 3855 set, entries, set->availAttrs)); 3856 } 3857 if (isInside) { 3858 // Going in the middle, need to make space. 3859 memmove(entries+curEntry+1, entries+curEntry, 3860 sizeof(bag_entry)*(set->numAttrs-curEntry)); 3861 set->numAttrs++; 3862 } 3863 TABLE_NOISY(printf("#%d: Inserting new attribute: 0x%08x\n", 3864 curEntry, newName)); 3865 } else { 3866 TABLE_NOISY(printf("#%d: Replacing existing attribute: 0x%08x\n", 3867 curEntry, oldName)); 3868 } 3869 3870 bag_entry* cur = entries+curEntry; 3871 3872 cur->stringBlock = package->header->index; 3873 cur->map.name.ident = newName; 3874 cur->map.value.copyFrom_dtoh(map->value); 3875 TABLE_NOISY(printf("Setting entry #%d %p: block=%d, name=0x%08x, type=%d, data=0x%08x\n", 3876 curEntry, cur, cur->stringBlock, cur->map.name.ident, 3877 cur->map.value.dataType, cur->map.value.data)); 3878 3879 // On to the next! 3880 curEntry++; 3881 pos++; 3882 const size_t size = dtohs(map->value.size); 3883 curOff += size + sizeof(*map)-sizeof(map->value); 3884 }; 3885 if (curEntry > set->numAttrs) { 3886 set->numAttrs = curEntry; 3887 } 3888 } 3889 3890 // And this is it... 3891 typeSet[e] = set; 3892 if (set) { 3893 if (outTypeSpecFlags != NULL) { 3894 *outTypeSpecFlags = set->typeSpecFlags; 3895 } 3896 *outBag = (bag_entry*)(set+1); 3897 TABLE_NOISY(ALOGI("Returning %d attrs\n", set->numAttrs)); 3898 return set->numAttrs; 3899 } 3900 return BAD_INDEX; 3901} 3902 3903void ResTable::setParameters(const ResTable_config* params) 3904{ 3905 mLock.lock(); 3906 TABLE_GETENTRY(ALOGI("Setting parameters: %s\n", params->toString().string())); 3907 mParams = *params; 3908 for (size_t i=0; i<mPackageGroups.size(); i++) { 3909 TABLE_NOISY(ALOGI("CLEARING BAGS FOR GROUP %d!", i)); 3910 mPackageGroups[i]->clearBagCache(); 3911 } 3912 mLock.unlock(); 3913} 3914 3915void ResTable::getParameters(ResTable_config* params) const 3916{ 3917 mLock.lock(); 3918 *params = mParams; 3919 mLock.unlock(); 3920} 3921 3922struct id_name_map { 3923 uint32_t id; 3924 size_t len; 3925 char16_t name[6]; 3926}; 3927 3928const static id_name_map ID_NAMES[] = { 3929 { ResTable_map::ATTR_TYPE, 5, { '^', 't', 'y', 'p', 'e' } }, 3930 { ResTable_map::ATTR_L10N, 5, { '^', 'l', '1', '0', 'n' } }, 3931 { ResTable_map::ATTR_MIN, 4, { '^', 'm', 'i', 'n' } }, 3932 { ResTable_map::ATTR_MAX, 4, { '^', 'm', 'a', 'x' } }, 3933 { ResTable_map::ATTR_OTHER, 6, { '^', 'o', 't', 'h', 'e', 'r' } }, 3934 { ResTable_map::ATTR_ZERO, 5, { '^', 'z', 'e', 'r', 'o' } }, 3935 { ResTable_map::ATTR_ONE, 4, { '^', 'o', 'n', 'e' } }, 3936 { ResTable_map::ATTR_TWO, 4, { '^', 't', 'w', 'o' } }, 3937 { ResTable_map::ATTR_FEW, 4, { '^', 'f', 'e', 'w' } }, 3938 { ResTable_map::ATTR_MANY, 5, { '^', 'm', 'a', 'n', 'y' } }, 3939}; 3940 3941uint32_t ResTable::identifierForName(const char16_t* name, size_t nameLen, 3942 const char16_t* type, size_t typeLen, 3943 const char16_t* package, 3944 size_t packageLen, 3945 uint32_t* outTypeSpecFlags) const 3946{ 3947 TABLE_SUPER_NOISY(printf("Identifier for name: error=%d\n", mError)); 3948 3949 // Check for internal resource identifier as the very first thing, so 3950 // that we will always find them even when there are no resources. 3951 if (name[0] == '^') { 3952 const int N = (sizeof(ID_NAMES)/sizeof(ID_NAMES[0])); 3953 size_t len; 3954 for (int i=0; i<N; i++) { 3955 const id_name_map* m = ID_NAMES + i; 3956 len = m->len; 3957 if (len != nameLen) { 3958 continue; 3959 } 3960 for (size_t j=1; j<len; j++) { 3961 if (m->name[j] != name[j]) { 3962 goto nope; 3963 } 3964 } 3965 if (outTypeSpecFlags) { 3966 *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; 3967 } 3968 return m->id; 3969nope: 3970 ; 3971 } 3972 if (nameLen > 7) { 3973 if (name[1] == 'i' && name[2] == 'n' 3974 && name[3] == 'd' && name[4] == 'e' && name[5] == 'x' 3975 && name[6] == '_') { 3976 int index = atoi(String8(name + 7, nameLen - 7).string()); 3977 if (Res_CHECKID(index)) { 3978 ALOGW("Array resource index: %d is too large.", 3979 index); 3980 return 0; 3981 } 3982 if (outTypeSpecFlags) { 3983 *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; 3984 } 3985 return Res_MAKEARRAY(index); 3986 } 3987 } 3988 return 0; 3989 } 3990 3991 if (mError != NO_ERROR) { 3992 return 0; 3993 } 3994 3995 bool fakePublic = false; 3996 3997 // Figure out the package and type we are looking in... 3998 3999 const char16_t* packageEnd = NULL; 4000 const char16_t* typeEnd = NULL; 4001 const char16_t* const nameEnd = name+nameLen; 4002 const char16_t* p = name; 4003 while (p < nameEnd) { 4004 if (*p == ':') packageEnd = p; 4005 else if (*p == '/') typeEnd = p; 4006 p++; 4007 } 4008 if (*name == '@') { 4009 name++; 4010 if (*name == '*') { 4011 fakePublic = true; 4012 name++; 4013 } 4014 } 4015 if (name >= nameEnd) { 4016 return 0; 4017 } 4018 4019 if (packageEnd) { 4020 package = name; 4021 packageLen = packageEnd-name; 4022 name = packageEnd+1; 4023 } else if (!package) { 4024 return 0; 4025 } 4026 4027 if (typeEnd) { 4028 type = name; 4029 typeLen = typeEnd-name; 4030 name = typeEnd+1; 4031 } else if (!type) { 4032 return 0; 4033 } 4034 4035 if (name >= nameEnd) { 4036 return 0; 4037 } 4038 nameLen = nameEnd-name; 4039 4040 TABLE_NOISY(printf("Looking for identifier: type=%s, name=%s, package=%s\n", 4041 String8(type, typeLen).string(), 4042 String8(name, nameLen).string(), 4043 String8(package, packageLen).string())); 4044 4045 const size_t NG = mPackageGroups.size(); 4046 for (size_t ig=0; ig<NG; ig++) { 4047 const PackageGroup* group = mPackageGroups[ig]; 4048 4049 if (strzcmp16(package, packageLen, 4050 group->name.string(), group->name.size())) { 4051 TABLE_NOISY(printf("Skipping package group: %s\n", String8(group->name).string())); 4052 continue; 4053 } 4054 4055 const ssize_t ti = group->basePackage->typeStrings.indexOfString(type, typeLen); 4056 if (ti < 0) { 4057 TABLE_NOISY(printf("Type not found in package %s\n", String8(group->name).string())); 4058 continue; 4059 } 4060 4061 const ssize_t ei = group->basePackage->keyStrings.indexOfString(name, nameLen); 4062 if (ei < 0) { 4063 TABLE_NOISY(printf("Name not found in package %s\n", String8(group->name).string())); 4064 continue; 4065 } 4066 4067 TABLE_NOISY(printf("Search indices: type=%d, name=%d\n", ti, ei)); 4068 4069 const Type* const typeConfigs = group->packages[0]->getType(ti); 4070 if (typeConfigs == NULL || typeConfigs->configs.size() <= 0) { 4071 TABLE_NOISY(printf("Expected type structure not found in package %s for idnex %d\n", 4072 String8(group->name).string(), ti)); 4073 } 4074 4075 size_t NTC = typeConfigs->configs.size(); 4076 for (size_t tci=0; tci<NTC; tci++) { 4077 const ResTable_type* const ty = typeConfigs->configs[tci]; 4078 const uint32_t typeOffset = dtohl(ty->entriesStart); 4079 4080 const uint8_t* const end = ((const uint8_t*)ty) + dtohl(ty->header.size); 4081 const uint32_t* const eindex = (const uint32_t*) 4082 (((const uint8_t*)ty) + dtohs(ty->header.headerSize)); 4083 4084 const size_t NE = dtohl(ty->entryCount); 4085 for (size_t i=0; i<NE; i++) { 4086 uint32_t offset = dtohl(eindex[i]); 4087 if (offset == ResTable_type::NO_ENTRY) { 4088 continue; 4089 } 4090 4091 offset += typeOffset; 4092 4093 if (offset > (dtohl(ty->header.size)-sizeof(ResTable_entry))) { 4094 ALOGW("ResTable_entry at %d is beyond type chunk data %d", 4095 offset, dtohl(ty->header.size)); 4096 return 0; 4097 } 4098 if ((offset&0x3) != 0) { 4099 ALOGW("ResTable_entry at %d (pkg=%d type=%d ent=%d) is not on an integer boundary when looking for %s:%s/%s", 4100 (int)offset, (int)group->id, (int)ti+1, (int)i, 4101 String8(package, packageLen).string(), 4102 String8(type, typeLen).string(), 4103 String8(name, nameLen).string()); 4104 return 0; 4105 } 4106 4107 const ResTable_entry* const entry = (const ResTable_entry*) 4108 (((const uint8_t*)ty) + offset); 4109 if (dtohs(entry->size) < sizeof(*entry)) { 4110 ALOGW("ResTable_entry size %d is too small", dtohs(entry->size)); 4111 return BAD_TYPE; 4112 } 4113 4114 TABLE_SUPER_NOISY(printf("Looking at entry #%d: want str %d, have %d\n", 4115 i, ei, dtohl(entry->key.index))); 4116 if (dtohl(entry->key.index) == (size_t)ei) { 4117 if (outTypeSpecFlags) { 4118 *outTypeSpecFlags = typeConfigs->typeSpecFlags[i]; 4119 if (fakePublic) { 4120 *outTypeSpecFlags |= ResTable_typeSpec::SPEC_PUBLIC; 4121 } 4122 } 4123 return Res_MAKEID(group->id-1, ti, i); 4124 } 4125 } 4126 } 4127 } 4128 4129 return 0; 4130} 4131 4132bool ResTable::expandResourceRef(const uint16_t* refStr, size_t refLen, 4133 String16* outPackage, 4134 String16* outType, 4135 String16* outName, 4136 const String16* defType, 4137 const String16* defPackage, 4138 const char** outErrorMsg, 4139 bool* outPublicOnly) 4140{ 4141 const char16_t* packageEnd = NULL; 4142 const char16_t* typeEnd = NULL; 4143 const char16_t* p = refStr; 4144 const char16_t* const end = p + refLen; 4145 while (p < end) { 4146 if (*p == ':') packageEnd = p; 4147 else if (*p == '/') { 4148 typeEnd = p; 4149 break; 4150 } 4151 p++; 4152 } 4153 p = refStr; 4154 if (*p == '@') p++; 4155 4156 if (outPublicOnly != NULL) { 4157 *outPublicOnly = true; 4158 } 4159 if (*p == '*') { 4160 p++; 4161 if (outPublicOnly != NULL) { 4162 *outPublicOnly = false; 4163 } 4164 } 4165 4166 if (packageEnd) { 4167 *outPackage = String16(p, packageEnd-p); 4168 p = packageEnd+1; 4169 } else { 4170 if (!defPackage) { 4171 if (outErrorMsg) { 4172 *outErrorMsg = "No resource package specified"; 4173 } 4174 return false; 4175 } 4176 *outPackage = *defPackage; 4177 } 4178 if (typeEnd) { 4179 *outType = String16(p, typeEnd-p); 4180 p = typeEnd+1; 4181 } else { 4182 if (!defType) { 4183 if (outErrorMsg) { 4184 *outErrorMsg = "No resource type specified"; 4185 } 4186 return false; 4187 } 4188 *outType = *defType; 4189 } 4190 *outName = String16(p, end-p); 4191 if(**outPackage == 0) { 4192 if(outErrorMsg) { 4193 *outErrorMsg = "Resource package cannot be an empty string"; 4194 } 4195 return false; 4196 } 4197 if(**outType == 0) { 4198 if(outErrorMsg) { 4199 *outErrorMsg = "Resource type cannot be an empty string"; 4200 } 4201 return false; 4202 } 4203 if(**outName == 0) { 4204 if(outErrorMsg) { 4205 *outErrorMsg = "Resource id cannot be an empty string"; 4206 } 4207 return false; 4208 } 4209 return true; 4210} 4211 4212static uint32_t get_hex(char c, bool* outError) 4213{ 4214 if (c >= '0' && c <= '9') { 4215 return c - '0'; 4216 } else if (c >= 'a' && c <= 'f') { 4217 return c - 'a' + 0xa; 4218 } else if (c >= 'A' && c <= 'F') { 4219 return c - 'A' + 0xa; 4220 } 4221 *outError = true; 4222 return 0; 4223} 4224 4225struct unit_entry 4226{ 4227 const char* name; 4228 size_t len; 4229 uint8_t type; 4230 uint32_t unit; 4231 float scale; 4232}; 4233 4234static const unit_entry unitNames[] = { 4235 { "px", strlen("px"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PX, 1.0f }, 4236 { "dip", strlen("dip"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 4237 { "dp", strlen("dp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, 4238 { "sp", strlen("sp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_SP, 1.0f }, 4239 { "pt", strlen("pt"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PT, 1.0f }, 4240 { "in", strlen("in"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_IN, 1.0f }, 4241 { "mm", strlen("mm"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_MM, 1.0f }, 4242 { "%", strlen("%"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION, 1.0f/100 }, 4243 { "%p", strlen("%p"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION_PARENT, 1.0f/100 }, 4244 { NULL, 0, 0, 0, 0 } 4245}; 4246 4247static bool parse_unit(const char* str, Res_value* outValue, 4248 float* outScale, const char** outEnd) 4249{ 4250 const char* end = str; 4251 while (*end != 0 && !isspace((unsigned char)*end)) { 4252 end++; 4253 } 4254 const size_t len = end-str; 4255 4256 const char* realEnd = end; 4257 while (*realEnd != 0 && isspace((unsigned char)*realEnd)) { 4258 realEnd++; 4259 } 4260 if (*realEnd != 0) { 4261 return false; 4262 } 4263 4264 const unit_entry* cur = unitNames; 4265 while (cur->name) { 4266 if (len == cur->len && strncmp(cur->name, str, len) == 0) { 4267 outValue->dataType = cur->type; 4268 outValue->data = cur->unit << Res_value::COMPLEX_UNIT_SHIFT; 4269 *outScale = cur->scale; 4270 *outEnd = end; 4271 //printf("Found unit %s for %s\n", cur->name, str); 4272 return true; 4273 } 4274 cur++; 4275 } 4276 4277 return false; 4278} 4279 4280 4281bool ResTable::stringToInt(const char16_t* s, size_t len, Res_value* outValue) 4282{ 4283 while (len > 0 && isspace16(*s)) { 4284 s++; 4285 len--; 4286 } 4287 4288 if (len <= 0) { 4289 return false; 4290 } 4291 4292 size_t i = 0; 4293 int32_t val = 0; 4294 bool neg = false; 4295 4296 if (*s == '-') { 4297 neg = true; 4298 i++; 4299 } 4300 4301 if (s[i] < '0' || s[i] > '9') { 4302 return false; 4303 } 4304 4305 // Decimal or hex? 4306 if (s[i] == '0' && s[i+1] == 'x') { 4307 if (outValue) 4308 outValue->dataType = outValue->TYPE_INT_HEX; 4309 i += 2; 4310 bool error = false; 4311 while (i < len && !error) { 4312 val = (val*16) + get_hex(s[i], &error); 4313 i++; 4314 } 4315 if (error) { 4316 return false; 4317 } 4318 } else { 4319 if (outValue) 4320 outValue->dataType = outValue->TYPE_INT_DEC; 4321 while (i < len) { 4322 if (s[i] < '0' || s[i] > '9') { 4323 return false; 4324 } 4325 val = (val*10) + s[i]-'0'; 4326 i++; 4327 } 4328 } 4329 4330 if (neg) val = -val; 4331 4332 while (i < len && isspace16(s[i])) { 4333 i++; 4334 } 4335 4336 if (i == len) { 4337 if (outValue) 4338 outValue->data = val; 4339 return true; 4340 } 4341 4342 return false; 4343} 4344 4345bool ResTable::stringToFloat(const char16_t* s, size_t len, Res_value* outValue) 4346{ 4347 while (len > 0 && isspace16(*s)) { 4348 s++; 4349 len--; 4350 } 4351 4352 if (len <= 0) { 4353 return false; 4354 } 4355 4356 char buf[128]; 4357 int i=0; 4358 while (len > 0 && *s != 0 && i < 126) { 4359 if (*s > 255) { 4360 return false; 4361 } 4362 buf[i++] = *s++; 4363 len--; 4364 } 4365 4366 if (len > 0) { 4367 return false; 4368 } 4369 if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') { 4370 return false; 4371 } 4372 4373 buf[i] = 0; 4374 const char* end; 4375 float f = strtof(buf, (char**)&end); 4376 4377 if (*end != 0 && !isspace((unsigned char)*end)) { 4378 // Might be a unit... 4379 float scale; 4380 if (parse_unit(end, outValue, &scale, &end)) { 4381 f *= scale; 4382 const bool neg = f < 0; 4383 if (neg) f = -f; 4384 uint64_t bits = (uint64_t)(f*(1<<23)+.5f); 4385 uint32_t radix; 4386 uint32_t shift; 4387 if ((bits&0x7fffff) == 0) { 4388 // Always use 23p0 if there is no fraction, just to make 4389 // things easier to read. 4390 radix = Res_value::COMPLEX_RADIX_23p0; 4391 shift = 23; 4392 } else if ((bits&0xffffffffff800000LL) == 0) { 4393 // Magnitude is zero -- can fit in 0 bits of precision. 4394 radix = Res_value::COMPLEX_RADIX_0p23; 4395 shift = 0; 4396 } else if ((bits&0xffffffff80000000LL) == 0) { 4397 // Magnitude can fit in 8 bits of precision. 4398 radix = Res_value::COMPLEX_RADIX_8p15; 4399 shift = 8; 4400 } else if ((bits&0xffffff8000000000LL) == 0) { 4401 // Magnitude can fit in 16 bits of precision. 4402 radix = Res_value::COMPLEX_RADIX_16p7; 4403 shift = 16; 4404 } else { 4405 // Magnitude needs entire range, so no fractional part. 4406 radix = Res_value::COMPLEX_RADIX_23p0; 4407 shift = 23; 4408 } 4409 int32_t mantissa = (int32_t)( 4410 (bits>>shift) & Res_value::COMPLEX_MANTISSA_MASK); 4411 if (neg) { 4412 mantissa = (-mantissa) & Res_value::COMPLEX_MANTISSA_MASK; 4413 } 4414 outValue->data |= 4415 (radix<<Res_value::COMPLEX_RADIX_SHIFT) 4416 | (mantissa<<Res_value::COMPLEX_MANTISSA_SHIFT); 4417 //printf("Input value: %f 0x%016Lx, mult: %f, radix: %d, shift: %d, final: 0x%08x\n", 4418 // f * (neg ? -1 : 1), bits, f*(1<<23), 4419 // radix, shift, outValue->data); 4420 return true; 4421 } 4422 return false; 4423 } 4424 4425 while (*end != 0 && isspace((unsigned char)*end)) { 4426 end++; 4427 } 4428 4429 if (*end == 0) { 4430 if (outValue) { 4431 outValue->dataType = outValue->TYPE_FLOAT; 4432 *(float*)(&outValue->data) = f; 4433 return true; 4434 } 4435 } 4436 4437 return false; 4438} 4439 4440bool ResTable::stringToValue(Res_value* outValue, String16* outString, 4441 const char16_t* s, size_t len, 4442 bool preserveSpaces, bool coerceType, 4443 uint32_t attrID, 4444 const String16* defType, 4445 const String16* defPackage, 4446 Accessor* accessor, 4447 void* accessorCookie, 4448 uint32_t attrType, 4449 bool enforcePrivate) const 4450{ 4451 bool localizationSetting = accessor != NULL && accessor->getLocalizationSetting(); 4452 const char* errorMsg = NULL; 4453 4454 outValue->size = sizeof(Res_value); 4455 outValue->res0 = 0; 4456 4457 // First strip leading/trailing whitespace. Do this before handling 4458 // escapes, so they can be used to force whitespace into the string. 4459 if (!preserveSpaces) { 4460 while (len > 0 && isspace16(*s)) { 4461 s++; 4462 len--; 4463 } 4464 while (len > 0 && isspace16(s[len-1])) { 4465 len--; 4466 } 4467 // If the string ends with '\', then we keep the space after it. 4468 if (len > 0 && s[len-1] == '\\' && s[len] != 0) { 4469 len++; 4470 } 4471 } 4472 4473 //printf("Value for: %s\n", String8(s, len).string()); 4474 4475 uint32_t l10nReq = ResTable_map::L10N_NOT_REQUIRED; 4476 uint32_t attrMin = 0x80000000, attrMax = 0x7fffffff; 4477 bool fromAccessor = false; 4478 if (attrID != 0 && !Res_INTERNALID(attrID)) { 4479 const ssize_t p = getResourcePackageIndex(attrID); 4480 const bag_entry* bag; 4481 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4482 //printf("For attr 0x%08x got bag of %d\n", attrID, cnt); 4483 if (cnt >= 0) { 4484 while (cnt > 0) { 4485 //printf("Entry 0x%08x = 0x%08x\n", bag->map.name.ident, bag->map.value.data); 4486 switch (bag->map.name.ident) { 4487 case ResTable_map::ATTR_TYPE: 4488 attrType = bag->map.value.data; 4489 break; 4490 case ResTable_map::ATTR_MIN: 4491 attrMin = bag->map.value.data; 4492 break; 4493 case ResTable_map::ATTR_MAX: 4494 attrMax = bag->map.value.data; 4495 break; 4496 case ResTable_map::ATTR_L10N: 4497 l10nReq = bag->map.value.data; 4498 break; 4499 } 4500 bag++; 4501 cnt--; 4502 } 4503 unlockBag(bag); 4504 } else if (accessor && accessor->getAttributeType(attrID, &attrType)) { 4505 fromAccessor = true; 4506 if (attrType == ResTable_map::TYPE_ENUM 4507 || attrType == ResTable_map::TYPE_FLAGS 4508 || attrType == ResTable_map::TYPE_INTEGER) { 4509 accessor->getAttributeMin(attrID, &attrMin); 4510 accessor->getAttributeMax(attrID, &attrMax); 4511 } 4512 if (localizationSetting) { 4513 l10nReq = accessor->getAttributeL10N(attrID); 4514 } 4515 } 4516 } 4517 4518 const bool canStringCoerce = 4519 coerceType && (attrType&ResTable_map::TYPE_STRING) != 0; 4520 4521 if (*s == '@') { 4522 outValue->dataType = outValue->TYPE_REFERENCE; 4523 4524 // Note: we don't check attrType here because the reference can 4525 // be to any other type; we just need to count on the client making 4526 // sure the referenced type is correct. 4527 4528 //printf("Looking up ref: %s\n", String8(s, len).string()); 4529 4530 // It's a reference! 4531 if (len == 5 && s[1]=='n' && s[2]=='u' && s[3]=='l' && s[4]=='l') { 4532 outValue->data = 0; 4533 return true; 4534 } else { 4535 bool createIfNotFound = false; 4536 const char16_t* resourceRefName; 4537 int resourceNameLen; 4538 if (len > 2 && s[1] == '+') { 4539 createIfNotFound = true; 4540 resourceRefName = s + 2; 4541 resourceNameLen = len - 2; 4542 } else if (len > 2 && s[1] == '*') { 4543 enforcePrivate = false; 4544 resourceRefName = s + 2; 4545 resourceNameLen = len - 2; 4546 } else { 4547 createIfNotFound = false; 4548 resourceRefName = s + 1; 4549 resourceNameLen = len - 1; 4550 } 4551 String16 package, type, name; 4552 if (!expandResourceRef(resourceRefName,resourceNameLen, &package, &type, &name, 4553 defType, defPackage, &errorMsg)) { 4554 if (accessor != NULL) { 4555 accessor->reportError(accessorCookie, errorMsg); 4556 } 4557 return false; 4558 } 4559 4560 uint32_t specFlags = 0; 4561 uint32_t rid = identifierForName(name.string(), name.size(), type.string(), 4562 type.size(), package.string(), package.size(), &specFlags); 4563 if (rid != 0) { 4564 if (enforcePrivate) { 4565 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 4566 if (accessor != NULL) { 4567 accessor->reportError(accessorCookie, "Resource is not public."); 4568 } 4569 return false; 4570 } 4571 } 4572 if (!accessor) { 4573 outValue->data = rid; 4574 return true; 4575 } 4576 rid = Res_MAKEID( 4577 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 4578 Res_GETTYPE(rid), Res_GETENTRY(rid)); 4579 TABLE_NOISY(printf("Incl %s:%s/%s: 0x%08x\n", 4580 String8(package).string(), String8(type).string(), 4581 String8(name).string(), rid)); 4582 outValue->data = rid; 4583 return true; 4584 } 4585 4586 if (accessor) { 4587 uint32_t rid = accessor->getCustomResourceWithCreation(package, type, name, 4588 createIfNotFound); 4589 if (rid != 0) { 4590 TABLE_NOISY(printf("Pckg %s:%s/%s: 0x%08x\n", 4591 String8(package).string(), String8(type).string(), 4592 String8(name).string(), rid)); 4593 outValue->data = rid; 4594 return true; 4595 } 4596 } 4597 } 4598 4599 if (accessor != NULL) { 4600 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 4601 } 4602 return false; 4603 } 4604 4605 // if we got to here, and localization is required and it's not a reference, 4606 // complain and bail. 4607 if (l10nReq == ResTable_map::L10N_SUGGESTED) { 4608 if (localizationSetting) { 4609 if (accessor != NULL) { 4610 accessor->reportError(accessorCookie, "This attribute must be localized."); 4611 } 4612 } 4613 } 4614 4615 if (*s == '#') { 4616 // It's a color! Convert to an integer of the form 0xaarrggbb. 4617 uint32_t color = 0; 4618 bool error = false; 4619 if (len == 4) { 4620 outValue->dataType = outValue->TYPE_INT_COLOR_RGB4; 4621 color |= 0xFF000000; 4622 color |= get_hex(s[1], &error) << 20; 4623 color |= get_hex(s[1], &error) << 16; 4624 color |= get_hex(s[2], &error) << 12; 4625 color |= get_hex(s[2], &error) << 8; 4626 color |= get_hex(s[3], &error) << 4; 4627 color |= get_hex(s[3], &error); 4628 } else if (len == 5) { 4629 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB4; 4630 color |= get_hex(s[1], &error) << 28; 4631 color |= get_hex(s[1], &error) << 24; 4632 color |= get_hex(s[2], &error) << 20; 4633 color |= get_hex(s[2], &error) << 16; 4634 color |= get_hex(s[3], &error) << 12; 4635 color |= get_hex(s[3], &error) << 8; 4636 color |= get_hex(s[4], &error) << 4; 4637 color |= get_hex(s[4], &error); 4638 } else if (len == 7) { 4639 outValue->dataType = outValue->TYPE_INT_COLOR_RGB8; 4640 color |= 0xFF000000; 4641 color |= get_hex(s[1], &error) << 20; 4642 color |= get_hex(s[2], &error) << 16; 4643 color |= get_hex(s[3], &error) << 12; 4644 color |= get_hex(s[4], &error) << 8; 4645 color |= get_hex(s[5], &error) << 4; 4646 color |= get_hex(s[6], &error); 4647 } else if (len == 9) { 4648 outValue->dataType = outValue->TYPE_INT_COLOR_ARGB8; 4649 color |= get_hex(s[1], &error) << 28; 4650 color |= get_hex(s[2], &error) << 24; 4651 color |= get_hex(s[3], &error) << 20; 4652 color |= get_hex(s[4], &error) << 16; 4653 color |= get_hex(s[5], &error) << 12; 4654 color |= get_hex(s[6], &error) << 8; 4655 color |= get_hex(s[7], &error) << 4; 4656 color |= get_hex(s[8], &error); 4657 } else { 4658 error = true; 4659 } 4660 if (!error) { 4661 if ((attrType&ResTable_map::TYPE_COLOR) == 0) { 4662 if (!canStringCoerce) { 4663 if (accessor != NULL) { 4664 accessor->reportError(accessorCookie, 4665 "Color types not allowed"); 4666 } 4667 return false; 4668 } 4669 } else { 4670 outValue->data = color; 4671 //printf("Color input=%s, output=0x%x\n", String8(s, len).string(), color); 4672 return true; 4673 } 4674 } else { 4675 if ((attrType&ResTable_map::TYPE_COLOR) != 0) { 4676 if (accessor != NULL) { 4677 accessor->reportError(accessorCookie, "Color value not valid --" 4678 " must be #rgb, #argb, #rrggbb, or #aarrggbb"); 4679 } 4680 #if 0 4681 fprintf(stderr, "%s: Color ID %s value %s is not valid\n", 4682 "Resource File", //(const char*)in->getPrintableSource(), 4683 String8(*curTag).string(), 4684 String8(s, len).string()); 4685 #endif 4686 return false; 4687 } 4688 } 4689 } 4690 4691 if (*s == '?') { 4692 outValue->dataType = outValue->TYPE_ATTRIBUTE; 4693 4694 // Note: we don't check attrType here because the reference can 4695 // be to any other type; we just need to count on the client making 4696 // sure the referenced type is correct. 4697 4698 //printf("Looking up attr: %s\n", String8(s, len).string()); 4699 4700 static const String16 attr16("attr"); 4701 String16 package, type, name; 4702 if (!expandResourceRef(s+1, len-1, &package, &type, &name, 4703 &attr16, defPackage, &errorMsg)) { 4704 if (accessor != NULL) { 4705 accessor->reportError(accessorCookie, errorMsg); 4706 } 4707 return false; 4708 } 4709 4710 //printf("Pkg: %s, Type: %s, Name: %s\n", 4711 // String8(package).string(), String8(type).string(), 4712 // String8(name).string()); 4713 uint32_t specFlags = 0; 4714 uint32_t rid = 4715 identifierForName(name.string(), name.size(), 4716 type.string(), type.size(), 4717 package.string(), package.size(), &specFlags); 4718 if (rid != 0) { 4719 if (enforcePrivate) { 4720 if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { 4721 if (accessor != NULL) { 4722 accessor->reportError(accessorCookie, "Attribute is not public."); 4723 } 4724 return false; 4725 } 4726 } 4727 if (!accessor) { 4728 outValue->data = rid; 4729 return true; 4730 } 4731 rid = Res_MAKEID( 4732 accessor->getRemappedPackage(Res_GETPACKAGE(rid)), 4733 Res_GETTYPE(rid), Res_GETENTRY(rid)); 4734 //printf("Incl %s:%s/%s: 0x%08x\n", 4735 // String8(package).string(), String8(type).string(), 4736 // String8(name).string(), rid); 4737 outValue->data = rid; 4738 return true; 4739 } 4740 4741 if (accessor) { 4742 uint32_t rid = accessor->getCustomResource(package, type, name); 4743 if (rid != 0) { 4744 //printf("Mine %s:%s/%s: 0x%08x\n", 4745 // String8(package).string(), String8(type).string(), 4746 // String8(name).string(), rid); 4747 outValue->data = rid; 4748 return true; 4749 } 4750 } 4751 4752 if (accessor != NULL) { 4753 accessor->reportError(accessorCookie, "No resource found that matches the given name"); 4754 } 4755 return false; 4756 } 4757 4758 if (stringToInt(s, len, outValue)) { 4759 if ((attrType&ResTable_map::TYPE_INTEGER) == 0) { 4760 // If this type does not allow integers, but does allow floats, 4761 // fall through on this error case because the float type should 4762 // be able to accept any integer value. 4763 if (!canStringCoerce && (attrType&ResTable_map::TYPE_FLOAT) == 0) { 4764 if (accessor != NULL) { 4765 accessor->reportError(accessorCookie, "Integer types not allowed"); 4766 } 4767 return false; 4768 } 4769 } else { 4770 if (((int32_t)outValue->data) < ((int32_t)attrMin) 4771 || ((int32_t)outValue->data) > ((int32_t)attrMax)) { 4772 if (accessor != NULL) { 4773 accessor->reportError(accessorCookie, "Integer value out of range"); 4774 } 4775 return false; 4776 } 4777 return true; 4778 } 4779 } 4780 4781 if (stringToFloat(s, len, outValue)) { 4782 if (outValue->dataType == Res_value::TYPE_DIMENSION) { 4783 if ((attrType&ResTable_map::TYPE_DIMENSION) != 0) { 4784 return true; 4785 } 4786 if (!canStringCoerce) { 4787 if (accessor != NULL) { 4788 accessor->reportError(accessorCookie, "Dimension types not allowed"); 4789 } 4790 return false; 4791 } 4792 } else if (outValue->dataType == Res_value::TYPE_FRACTION) { 4793 if ((attrType&ResTable_map::TYPE_FRACTION) != 0) { 4794 return true; 4795 } 4796 if (!canStringCoerce) { 4797 if (accessor != NULL) { 4798 accessor->reportError(accessorCookie, "Fraction types not allowed"); 4799 } 4800 return false; 4801 } 4802 } else if ((attrType&ResTable_map::TYPE_FLOAT) == 0) { 4803 if (!canStringCoerce) { 4804 if (accessor != NULL) { 4805 accessor->reportError(accessorCookie, "Float types not allowed"); 4806 } 4807 return false; 4808 } 4809 } else { 4810 return true; 4811 } 4812 } 4813 4814 if (len == 4) { 4815 if ((s[0] == 't' || s[0] == 'T') && 4816 (s[1] == 'r' || s[1] == 'R') && 4817 (s[2] == 'u' || s[2] == 'U') && 4818 (s[3] == 'e' || s[3] == 'E')) { 4819 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 4820 if (!canStringCoerce) { 4821 if (accessor != NULL) { 4822 accessor->reportError(accessorCookie, "Boolean types not allowed"); 4823 } 4824 return false; 4825 } 4826 } else { 4827 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 4828 outValue->data = (uint32_t)-1; 4829 return true; 4830 } 4831 } 4832 } 4833 4834 if (len == 5) { 4835 if ((s[0] == 'f' || s[0] == 'F') && 4836 (s[1] == 'a' || s[1] == 'A') && 4837 (s[2] == 'l' || s[2] == 'L') && 4838 (s[3] == 's' || s[3] == 'S') && 4839 (s[4] == 'e' || s[4] == 'E')) { 4840 if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { 4841 if (!canStringCoerce) { 4842 if (accessor != NULL) { 4843 accessor->reportError(accessorCookie, "Boolean types not allowed"); 4844 } 4845 return false; 4846 } 4847 } else { 4848 outValue->dataType = outValue->TYPE_INT_BOOLEAN; 4849 outValue->data = 0; 4850 return true; 4851 } 4852 } 4853 } 4854 4855 if ((attrType&ResTable_map::TYPE_ENUM) != 0) { 4856 const ssize_t p = getResourcePackageIndex(attrID); 4857 const bag_entry* bag; 4858 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4859 //printf("Got %d for enum\n", cnt); 4860 if (cnt >= 0) { 4861 resource_name rname; 4862 while (cnt > 0) { 4863 if (!Res_INTERNALID(bag->map.name.ident)) { 4864 //printf("Trying attr #%08x\n", bag->map.name.ident); 4865 if (getResourceName(bag->map.name.ident, false, &rname)) { 4866 #if 0 4867 printf("Matching %s against %s (0x%08x)\n", 4868 String8(s, len).string(), 4869 String8(rname.name, rname.nameLen).string(), 4870 bag->map.name.ident); 4871 #endif 4872 if (strzcmp16(s, len, rname.name, rname.nameLen) == 0) { 4873 outValue->dataType = bag->map.value.dataType; 4874 outValue->data = bag->map.value.data; 4875 unlockBag(bag); 4876 return true; 4877 } 4878 } 4879 4880 } 4881 bag++; 4882 cnt--; 4883 } 4884 unlockBag(bag); 4885 } 4886 4887 if (fromAccessor) { 4888 if (accessor->getAttributeEnum(attrID, s, len, outValue)) { 4889 return true; 4890 } 4891 } 4892 } 4893 4894 if ((attrType&ResTable_map::TYPE_FLAGS) != 0) { 4895 const ssize_t p = getResourcePackageIndex(attrID); 4896 const bag_entry* bag; 4897 ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; 4898 //printf("Got %d for flags\n", cnt); 4899 if (cnt >= 0) { 4900 bool failed = false; 4901 resource_name rname; 4902 outValue->dataType = Res_value::TYPE_INT_HEX; 4903 outValue->data = 0; 4904 const char16_t* end = s + len; 4905 const char16_t* pos = s; 4906 while (pos < end && !failed) { 4907 const char16_t* start = pos; 4908 pos++; 4909 while (pos < end && *pos != '|') { 4910 pos++; 4911 } 4912 //printf("Looking for: %s\n", String8(start, pos-start).string()); 4913 const bag_entry* bagi = bag; 4914 ssize_t i; 4915 for (i=0; i<cnt; i++, bagi++) { 4916 if (!Res_INTERNALID(bagi->map.name.ident)) { 4917 //printf("Trying attr #%08x\n", bagi->map.name.ident); 4918 if (getResourceName(bagi->map.name.ident, false, &rname)) { 4919 #if 0 4920 printf("Matching %s against %s (0x%08x)\n", 4921 String8(start,pos-start).string(), 4922 String8(rname.name, rname.nameLen).string(), 4923 bagi->map.name.ident); 4924 #endif 4925 if (strzcmp16(start, pos-start, rname.name, rname.nameLen) == 0) { 4926 outValue->data |= bagi->map.value.data; 4927 break; 4928 } 4929 } 4930 } 4931 } 4932 if (i >= cnt) { 4933 // Didn't find this flag identifier. 4934 failed = true; 4935 } 4936 if (pos < end) { 4937 pos++; 4938 } 4939 } 4940 unlockBag(bag); 4941 if (!failed) { 4942 //printf("Final flag value: 0x%lx\n", outValue->data); 4943 return true; 4944 } 4945 } 4946 4947 4948 if (fromAccessor) { 4949 if (accessor->getAttributeFlags(attrID, s, len, outValue)) { 4950 //printf("Final flag value: 0x%lx\n", outValue->data); 4951 return true; 4952 } 4953 } 4954 } 4955 4956 if ((attrType&ResTable_map::TYPE_STRING) == 0) { 4957 if (accessor != NULL) { 4958 accessor->reportError(accessorCookie, "String types not allowed"); 4959 } 4960 return false; 4961 } 4962 4963 // Generic string handling... 4964 outValue->dataType = outValue->TYPE_STRING; 4965 if (outString) { 4966 bool failed = collectString(outString, s, len, preserveSpaces, &errorMsg); 4967 if (accessor != NULL) { 4968 accessor->reportError(accessorCookie, errorMsg); 4969 } 4970 return failed; 4971 } 4972 4973 return true; 4974} 4975 4976bool ResTable::collectString(String16* outString, 4977 const char16_t* s, size_t len, 4978 bool preserveSpaces, 4979 const char** outErrorMsg, 4980 bool append) 4981{ 4982 String16 tmp; 4983 4984 char quoted = 0; 4985 const char16_t* p = s; 4986 while (p < (s+len)) { 4987 while (p < (s+len)) { 4988 const char16_t c = *p; 4989 if (c == '\\') { 4990 break; 4991 } 4992 if (!preserveSpaces) { 4993 if (quoted == 0 && isspace16(c) 4994 && (c != ' ' || isspace16(*(p+1)))) { 4995 break; 4996 } 4997 if (c == '"' && (quoted == 0 || quoted == '"')) { 4998 break; 4999 } 5000 if (c == '\'' && (quoted == 0 || quoted == '\'')) { 5001 /* 5002 * In practice, when people write ' instead of \' 5003 * in a string, they are doing it by accident 5004 * instead of really meaning to use ' as a quoting 5005 * character. Warn them so they don't lose it. 5006 */ 5007 if (outErrorMsg) { 5008 *outErrorMsg = "Apostrophe not preceded by \\"; 5009 } 5010 return false; 5011 } 5012 } 5013 p++; 5014 } 5015 if (p < (s+len)) { 5016 if (p > s) { 5017 tmp.append(String16(s, p-s)); 5018 } 5019 if (!preserveSpaces && (*p == '"' || *p == '\'')) { 5020 if (quoted == 0) { 5021 quoted = *p; 5022 } else { 5023 quoted = 0; 5024 } 5025 p++; 5026 } else if (!preserveSpaces && isspace16(*p)) { 5027 // Space outside of a quote -- consume all spaces and 5028 // leave a single plain space char. 5029 tmp.append(String16(" ")); 5030 p++; 5031 while (p < (s+len) && isspace16(*p)) { 5032 p++; 5033 } 5034 } else if (*p == '\\') { 5035 p++; 5036 if (p < (s+len)) { 5037 switch (*p) { 5038 case 't': 5039 tmp.append(String16("\t")); 5040 break; 5041 case 'n': 5042 tmp.append(String16("\n")); 5043 break; 5044 case '#': 5045 tmp.append(String16("#")); 5046 break; 5047 case '@': 5048 tmp.append(String16("@")); 5049 break; 5050 case '?': 5051 tmp.append(String16("?")); 5052 break; 5053 case '"': 5054 tmp.append(String16("\"")); 5055 break; 5056 case '\'': 5057 tmp.append(String16("'")); 5058 break; 5059 case '\\': 5060 tmp.append(String16("\\")); 5061 break; 5062 case 'u': 5063 { 5064 char16_t chr = 0; 5065 int i = 0; 5066 while (i < 4 && p[1] != 0) { 5067 p++; 5068 i++; 5069 int c; 5070 if (*p >= '0' && *p <= '9') { 5071 c = *p - '0'; 5072 } else if (*p >= 'a' && *p <= 'f') { 5073 c = *p - 'a' + 10; 5074 } else if (*p >= 'A' && *p <= 'F') { 5075 c = *p - 'A' + 10; 5076 } else { 5077 if (outErrorMsg) { 5078 *outErrorMsg = "Bad character in \\u unicode escape sequence"; 5079 } 5080 return false; 5081 } 5082 chr = (chr<<4) | c; 5083 } 5084 tmp.append(String16(&chr, 1)); 5085 } break; 5086 default: 5087 // ignore unknown escape chars. 5088 break; 5089 } 5090 p++; 5091 } 5092 } 5093 len -= (p-s); 5094 s = p; 5095 } 5096 } 5097 5098 if (tmp.size() != 0) { 5099 if (len > 0) { 5100 tmp.append(String16(s, len)); 5101 } 5102 if (append) { 5103 outString->append(tmp); 5104 } else { 5105 outString->setTo(tmp); 5106 } 5107 } else { 5108 if (append) { 5109 outString->append(String16(s, len)); 5110 } else { 5111 outString->setTo(s, len); 5112 } 5113 } 5114 5115 return true; 5116} 5117 5118size_t ResTable::getBasePackageCount() const 5119{ 5120 if (mError != NO_ERROR) { 5121 return 0; 5122 } 5123 return mPackageGroups.size(); 5124} 5125 5126const char16_t* ResTable::getBasePackageName(size_t idx) const 5127{ 5128 if (mError != NO_ERROR) { 5129 return 0; 5130 } 5131 LOG_FATAL_IF(idx >= mPackageGroups.size(), 5132 "Requested package index %d past package count %d", 5133 (int)idx, (int)mPackageGroups.size()); 5134 return mPackageGroups[idx]->name.string(); 5135} 5136 5137uint32_t ResTable::getBasePackageId(size_t idx) const 5138{ 5139 if (mError != NO_ERROR) { 5140 return 0; 5141 } 5142 LOG_FATAL_IF(idx >= mPackageGroups.size(), 5143 "Requested package index %d past package count %d", 5144 (int)idx, (int)mPackageGroups.size()); 5145 return mPackageGroups[idx]->id; 5146} 5147 5148size_t ResTable::getTableCount() const 5149{ 5150 return mHeaders.size(); 5151} 5152 5153const ResStringPool* ResTable::getTableStringBlock(size_t index) const 5154{ 5155 return &mHeaders[index]->values; 5156} 5157 5158int32_t ResTable::getTableCookie(size_t index) const 5159{ 5160 return mHeaders[index]->cookie; 5161} 5162 5163void ResTable::getConfigurations(Vector<ResTable_config>* configs) const 5164{ 5165 const size_t I = mPackageGroups.size(); 5166 for (size_t i=0; i<I; i++) { 5167 const PackageGroup* packageGroup = mPackageGroups[i]; 5168 const size_t J = packageGroup->packages.size(); 5169 for (size_t j=0; j<J; j++) { 5170 const Package* package = packageGroup->packages[j]; 5171 const size_t K = package->types.size(); 5172 for (size_t k=0; k<K; k++) { 5173 const Type* type = package->types[k]; 5174 if (type == NULL) continue; 5175 const size_t L = type->configs.size(); 5176 for (size_t l=0; l<L; l++) { 5177 const ResTable_type* config = type->configs[l]; 5178 ResTable_config cfg; 5179 memset(&cfg, 0, sizeof(ResTable_config)); 5180 cfg.copyFromDtoH(config->config); 5181 // only insert unique 5182 const size_t M = configs->size(); 5183 size_t m; 5184 for (m=0; m<M; m++) { 5185 if (0 == (*configs)[m].compare(cfg)) { 5186 break; 5187 } 5188 } 5189 // if we didn't find it 5190 if (m == M) { 5191 configs->add(cfg); 5192 } 5193 } 5194 } 5195 } 5196 } 5197} 5198 5199void ResTable::getLocales(Vector<String8>* locales) const 5200{ 5201 Vector<ResTable_config> configs; 5202 ALOGV("calling getConfigurations"); 5203 getConfigurations(&configs); 5204 ALOGV("called getConfigurations size=%d", (int)configs.size()); 5205 const size_t I = configs.size(); 5206 5207 char locale[RESTABLE_MAX_LOCALE_LEN]; 5208 for (size_t i=0; i<I; i++) { 5209 configs[i].getBcp47Locale(locale); 5210 const size_t J = locales->size(); 5211 size_t j; 5212 for (j=0; j<J; j++) { 5213 if (0 == strcmp(locale, (*locales)[j].string())) { 5214 break; 5215 } 5216 } 5217 if (j == J) { 5218 locales->add(String8(locale)); 5219 } 5220 } 5221} 5222 5223ssize_t ResTable::getEntry( 5224 const Package* package, int typeIndex, int entryIndex, 5225 const ResTable_config* config, 5226 const ResTable_type** outType, const ResTable_entry** outEntry, 5227 const Type** outTypeClass) const 5228{ 5229 ALOGV("Getting entry from package %p\n", package); 5230 const ResTable_package* const pkg = package->package; 5231 5232 const Type* allTypes = package->getType(typeIndex); 5233 ALOGV("allTypes=%p\n", allTypes); 5234 if (allTypes == NULL) { 5235 ALOGV("Skipping entry type index 0x%02x because type is NULL!\n", typeIndex); 5236 return 0; 5237 } 5238 5239 if ((size_t)entryIndex >= allTypes->entryCount) { 5240 ALOGW("getEntry failing because entryIndex %d is beyond type entryCount %d", 5241 entryIndex, (int)allTypes->entryCount); 5242 return BAD_TYPE; 5243 } 5244 5245 const ResTable_type* type = NULL; 5246 uint32_t offset = ResTable_type::NO_ENTRY; 5247 ResTable_config bestConfig; 5248 memset(&bestConfig, 0, sizeof(bestConfig)); // make the compiler shut up 5249 5250 const size_t NT = allTypes->configs.size(); 5251 for (size_t i=0; i<NT; i++) { 5252 const ResTable_type* const thisType = allTypes->configs[i]; 5253 if (thisType == NULL) continue; 5254 5255 ResTable_config thisConfig; 5256 thisConfig.copyFromDtoH(thisType->config); 5257 5258 TABLE_GETENTRY(ALOGI("Match entry 0x%x in type 0x%x (sz 0x%x): %s\n", 5259 entryIndex, typeIndex+1, dtohl(thisType->config.size), 5260 thisConfig.toString().string())); 5261 5262 // Check to make sure this one is valid for the current parameters. 5263 if (config && !thisConfig.match(*config)) { 5264 TABLE_GETENTRY(ALOGI("Does not match config!\n")); 5265 continue; 5266 } 5267 5268 // Check if there is the desired entry in this type. 5269 5270 const uint8_t* const end = ((const uint8_t*)thisType) 5271 + dtohl(thisType->header.size); 5272 const uint32_t* const eindex = (const uint32_t*) 5273 (((const uint8_t*)thisType) + dtohs(thisType->header.headerSize)); 5274 5275 uint32_t thisOffset = dtohl(eindex[entryIndex]); 5276 if (thisOffset == ResTable_type::NO_ENTRY) { 5277 TABLE_GETENTRY(ALOGI("Skipping because it is not defined!\n")); 5278 continue; 5279 } 5280 5281 if (type != NULL) { 5282 // Check if this one is less specific than the last found. If so, 5283 // we will skip it. We check starting with things we most care 5284 // about to those we least care about. 5285 if (!thisConfig.isBetterThan(bestConfig, config)) { 5286 TABLE_GETENTRY(ALOGI("This config is worse than last!\n")); 5287 continue; 5288 } 5289 } 5290 5291 type = thisType; 5292 offset = thisOffset; 5293 bestConfig = thisConfig; 5294 TABLE_GETENTRY(ALOGI("Best entry so far -- using it!\n")); 5295 if (!config) break; 5296 } 5297 5298 if (type == NULL) { 5299 TABLE_GETENTRY(ALOGI("No value found for requested entry!\n")); 5300 return BAD_INDEX; 5301 } 5302 5303 offset += dtohl(type->entriesStart); 5304 TABLE_NOISY(aout << "Looking in resource table " << package->header->header 5305 << ", typeOff=" 5306 << (void*)(((const char*)type)-((const char*)package->header->header)) 5307 << ", offset=" << (void*)offset << endl); 5308 5309 if (offset > (dtohl(type->header.size)-sizeof(ResTable_entry))) { 5310 ALOGW("ResTable_entry at 0x%x is beyond type chunk data 0x%x", 5311 offset, dtohl(type->header.size)); 5312 return BAD_TYPE; 5313 } 5314 if ((offset&0x3) != 0) { 5315 ALOGW("ResTable_entry at 0x%x is not on an integer boundary", 5316 offset); 5317 return BAD_TYPE; 5318 } 5319 5320 const ResTable_entry* const entry = (const ResTable_entry*) 5321 (((const uint8_t*)type) + offset); 5322 if (dtohs(entry->size) < sizeof(*entry)) { 5323 ALOGW("ResTable_entry size 0x%x is too small", dtohs(entry->size)); 5324 return BAD_TYPE; 5325 } 5326 5327 *outType = type; 5328 *outEntry = entry; 5329 if (outTypeClass != NULL) { 5330 *outTypeClass = allTypes; 5331 } 5332 return offset + dtohs(entry->size); 5333} 5334 5335status_t ResTable::parsePackage(const ResTable_package* const pkg, 5336 const Header* const header, uint32_t idmap_id) 5337{ 5338 const uint8_t* base = (const uint8_t*)pkg; 5339 status_t err = validate_chunk(&pkg->header, sizeof(*pkg), 5340 header->dataEnd, "ResTable_package"); 5341 if (err != NO_ERROR) { 5342 return (mError=err); 5343 } 5344 5345 const size_t pkgSize = dtohl(pkg->header.size); 5346 5347 if (dtohl(pkg->typeStrings) >= pkgSize) { 5348 ALOGW("ResTable_package type strings at %p are past chunk size %p.", 5349 (void*)dtohl(pkg->typeStrings), (void*)pkgSize); 5350 return (mError=BAD_TYPE); 5351 } 5352 if ((dtohl(pkg->typeStrings)&0x3) != 0) { 5353 ALOGW("ResTable_package type strings at %p is not on an integer boundary.", 5354 (void*)dtohl(pkg->typeStrings)); 5355 return (mError=BAD_TYPE); 5356 } 5357 if (dtohl(pkg->keyStrings) >= pkgSize) { 5358 ALOGW("ResTable_package key strings at %p are past chunk size %p.", 5359 (void*)dtohl(pkg->keyStrings), (void*)pkgSize); 5360 return (mError=BAD_TYPE); 5361 } 5362 if ((dtohl(pkg->keyStrings)&0x3) != 0) { 5363 ALOGW("ResTable_package key strings at %p is not on an integer boundary.", 5364 (void*)dtohl(pkg->keyStrings)); 5365 return (mError=BAD_TYPE); 5366 } 5367 5368 Package* package = NULL; 5369 PackageGroup* group = NULL; 5370 uint32_t id = idmap_id != 0 ? idmap_id : dtohl(pkg->id); 5371 // If at this point id == 0, pkg is an overlay package without a 5372 // corresponding idmap. During regular usage, overlay packages are 5373 // always loaded alongside their idmaps, but during idmap creation 5374 // the package is temporarily loaded by itself. 5375 if (id < 256) { 5376 5377 package = new Package(this, header, pkg); 5378 if (package == NULL) { 5379 return (mError=NO_MEMORY); 5380 } 5381 5382 size_t idx = mPackageMap[id]; 5383 if (idx == 0) { 5384 idx = mPackageGroups.size()+1; 5385 5386 char16_t tmpName[sizeof(pkg->name)/sizeof(char16_t)]; 5387 strcpy16_dtoh(tmpName, pkg->name, sizeof(pkg->name)/sizeof(char16_t)); 5388 group = new PackageGroup(this, String16(tmpName), id); 5389 if (group == NULL) { 5390 delete package; 5391 return (mError=NO_MEMORY); 5392 } 5393 5394 err = package->typeStrings.setTo(base+dtohl(pkg->typeStrings), 5395 header->dataEnd-(base+dtohl(pkg->typeStrings))); 5396 if (err != NO_ERROR) { 5397 delete group; 5398 delete package; 5399 return (mError=err); 5400 } 5401 err = package->keyStrings.setTo(base+dtohl(pkg->keyStrings), 5402 header->dataEnd-(base+dtohl(pkg->keyStrings))); 5403 if (err != NO_ERROR) { 5404 delete group; 5405 delete package; 5406 return (mError=err); 5407 } 5408 5409 //printf("Adding new package id %d at index %d\n", id, idx); 5410 err = mPackageGroups.add(group); 5411 if (err < NO_ERROR) { 5412 return (mError=err); 5413 } 5414 group->basePackage = package; 5415 5416 mPackageMap[id] = (uint8_t)idx; 5417 } else { 5418 group = mPackageGroups.itemAt(idx-1); 5419 if (group == NULL) { 5420 return (mError=UNKNOWN_ERROR); 5421 } 5422 } 5423 err = group->packages.add(package); 5424 if (err < NO_ERROR) { 5425 return (mError=err); 5426 } 5427 } else { 5428 LOG_ALWAYS_FATAL("Package id out of range"); 5429 return NO_ERROR; 5430 } 5431 5432 5433 // Iterate through all chunks. 5434 size_t curPackage = 0; 5435 5436 const ResChunk_header* chunk = 5437 (const ResChunk_header*)(((const uint8_t*)pkg) 5438 + dtohs(pkg->header.headerSize)); 5439 const uint8_t* endPos = ((const uint8_t*)pkg) + dtohs(pkg->header.size); 5440 while (((const uint8_t*)chunk) <= (endPos-sizeof(ResChunk_header)) && 5441 ((const uint8_t*)chunk) <= (endPos-dtohl(chunk->size))) { 5442 TABLE_NOISY(ALOGV("PackageChunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", 5443 dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), 5444 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); 5445 const size_t csize = dtohl(chunk->size); 5446 const uint16_t ctype = dtohs(chunk->type); 5447 if (ctype == RES_TABLE_TYPE_SPEC_TYPE) { 5448 const ResTable_typeSpec* typeSpec = (const ResTable_typeSpec*)(chunk); 5449 err = validate_chunk(&typeSpec->header, sizeof(*typeSpec), 5450 endPos, "ResTable_typeSpec"); 5451 if (err != NO_ERROR) { 5452 return (mError=err); 5453 } 5454 5455 const size_t typeSpecSize = dtohl(typeSpec->header.size); 5456 5457 LOAD_TABLE_NOISY(printf("TypeSpec off %p: type=0x%x, headerSize=0x%x, size=%p\n", 5458 (void*)(base-(const uint8_t*)chunk), 5459 dtohs(typeSpec->header.type), 5460 dtohs(typeSpec->header.headerSize), 5461 (void*)typeSize)); 5462 // look for block overrun or int overflow when multiplying by 4 5463 if ((dtohl(typeSpec->entryCount) > (INT32_MAX/sizeof(uint32_t)) 5464 || dtohs(typeSpec->header.headerSize)+(sizeof(uint32_t)*dtohl(typeSpec->entryCount)) 5465 > typeSpecSize)) { 5466 ALOGW("ResTable_typeSpec entry index to %p extends beyond chunk end %p.", 5467 (void*)(dtohs(typeSpec->header.headerSize) 5468 +(sizeof(uint32_t)*dtohl(typeSpec->entryCount))), 5469 (void*)typeSpecSize); 5470 return (mError=BAD_TYPE); 5471 } 5472 5473 if (typeSpec->id == 0) { 5474 ALOGW("ResTable_type has an id of 0."); 5475 return (mError=BAD_TYPE); 5476 } 5477 5478 while (package->types.size() < typeSpec->id) { 5479 package->types.add(NULL); 5480 } 5481 Type* t = package->types[typeSpec->id-1]; 5482 if (t == NULL) { 5483 t = new Type(header, package, dtohl(typeSpec->entryCount)); 5484 package->types.editItemAt(typeSpec->id-1) = t; 5485 } else if (dtohl(typeSpec->entryCount) != t->entryCount) { 5486 ALOGW("ResTable_typeSpec entry count inconsistent: given %d, previously %d", 5487 (int)dtohl(typeSpec->entryCount), (int)t->entryCount); 5488 return (mError=BAD_TYPE); 5489 } 5490 t->typeSpecFlags = (const uint32_t*)( 5491 ((const uint8_t*)typeSpec) + dtohs(typeSpec->header.headerSize)); 5492 t->typeSpec = typeSpec; 5493 5494 } else if (ctype == RES_TABLE_TYPE_TYPE) { 5495 const ResTable_type* type = (const ResTable_type*)(chunk); 5496 err = validate_chunk(&type->header, sizeof(*type)-sizeof(ResTable_config)+4, 5497 endPos, "ResTable_type"); 5498 if (err != NO_ERROR) { 5499 return (mError=err); 5500 } 5501 5502 const size_t typeSize = dtohl(type->header.size); 5503 5504 LOAD_TABLE_NOISY(printf("Type off %p: type=0x%x, headerSize=0x%x, size=%p\n", 5505 (void*)(base-(const uint8_t*)chunk), 5506 dtohs(type->header.type), 5507 dtohs(type->header.headerSize), 5508 (void*)typeSize)); 5509 if (dtohs(type->header.headerSize)+(sizeof(uint32_t)*dtohl(type->entryCount)) 5510 > typeSize) { 5511 ALOGW("ResTable_type entry index to %p extends beyond chunk end %p.", 5512 (void*)(dtohs(type->header.headerSize) 5513 +(sizeof(uint32_t)*dtohl(type->entryCount))), 5514 (void*)typeSize); 5515 return (mError=BAD_TYPE); 5516 } 5517 if (dtohl(type->entryCount) != 0 5518 && dtohl(type->entriesStart) > (typeSize-sizeof(ResTable_entry))) { 5519 ALOGW("ResTable_type entriesStart at %p extends beyond chunk end %p.", 5520 (void*)dtohl(type->entriesStart), (void*)typeSize); 5521 return (mError=BAD_TYPE); 5522 } 5523 if (type->id == 0) { 5524 ALOGW("ResTable_type has an id of 0."); 5525 return (mError=BAD_TYPE); 5526 } 5527 5528 while (package->types.size() < type->id) { 5529 package->types.add(NULL); 5530 } 5531 Type* t = package->types[type->id-1]; 5532 if (t == NULL) { 5533 t = new Type(header, package, dtohl(type->entryCount)); 5534 package->types.editItemAt(type->id-1) = t; 5535 } else if (dtohl(type->entryCount) != t->entryCount) { 5536 ALOGW("ResTable_type entry count inconsistent: given %d, previously %d", 5537 (int)dtohl(type->entryCount), (int)t->entryCount); 5538 return (mError=BAD_TYPE); 5539 } 5540 5541 TABLE_GETENTRY( 5542 ResTable_config thisConfig; 5543 thisConfig.copyFromDtoH(type->config); 5544 ALOGI("Adding config to type %d: %s\n", 5545 type->id, thisConfig.toString().string())); 5546 t->configs.add(type); 5547 } else { 5548 status_t err = validate_chunk(chunk, sizeof(ResChunk_header), 5549 endPos, "ResTable_package:unknown"); 5550 if (err != NO_ERROR) { 5551 return (mError=err); 5552 } 5553 } 5554 chunk = (const ResChunk_header*) 5555 (((const uint8_t*)chunk) + csize); 5556 } 5557 5558 if (group->typeCount == 0) { 5559 group->typeCount = package->types.size(); 5560 } 5561 5562 return NO_ERROR; 5563} 5564 5565status_t ResTable::createIdmap(const ResTable& overlay, 5566 uint32_t targetCrc, uint32_t overlayCrc, 5567 const char* targetPath, const char* overlayPath, 5568 void** outData, size_t* outSize) const 5569{ 5570 // see README for details on the format of map 5571 if (mPackageGroups.size() == 0) { 5572 ALOGW("idmap: target package has no package groups, cannot create idmap\n"); 5573 return UNKNOWN_ERROR; 5574 } 5575 if (mPackageGroups[0]->packages.size() == 0) { 5576 ALOGW("idmap: target package has no packages in its first package group, " 5577 "cannot create idmap\n"); 5578 return UNKNOWN_ERROR; 5579 } 5580 5581 Vector<Vector<uint32_t> > map; 5582 // overlaid packages are assumed to contain only one package group 5583 const PackageGroup* pg = mPackageGroups[0]; 5584 const Package* pkg = pg->packages[0]; 5585 size_t typeCount = pkg->types.size(); 5586 // starting size is header + first item (number of types in map) 5587 *outSize = (IDMAP_HEADER_SIZE + 1) * sizeof(uint32_t); 5588 // overlay packages are assumed to contain only one package group 5589 const String16 overlayPackage(overlay.mPackageGroups[0]->packages[0]->package->name); 5590 const uint32_t pkg_id = pkg->package->id << 24; 5591 5592 for (size_t typeIndex = 0; typeIndex < typeCount; ++typeIndex) { 5593 ssize_t first = -1; 5594 ssize_t last = -1; 5595 const Type* typeConfigs = pkg->getType(typeIndex); 5596 ssize_t mapIndex = map.add(); 5597 if (mapIndex < 0) { 5598 return NO_MEMORY; 5599 } 5600 Vector<uint32_t>& vector = map.editItemAt(mapIndex); 5601 for (size_t entryIndex = 0; entryIndex < typeConfigs->entryCount; ++entryIndex) { 5602 uint32_t resID = pkg_id 5603 | (0x00ff0000 & ((typeIndex+1)<<16)) 5604 | (0x0000ffff & (entryIndex)); 5605 resource_name resName; 5606 if (!this->getResourceName(resID, false, &resName)) { 5607 ALOGW("idmap: resource 0x%08x has spec but lacks values, skipping\n", resID); 5608 // add dummy value, or trimming leading/trailing zeroes later will fail 5609 vector.push(0); 5610 continue; 5611 } 5612 5613 const String16 overlayType(resName.type, resName.typeLen); 5614 const String16 overlayName(resName.name, resName.nameLen); 5615 uint32_t overlayResID = overlay.identifierForName(overlayName.string(), 5616 overlayName.size(), 5617 overlayType.string(), 5618 overlayType.size(), 5619 overlayPackage.string(), 5620 overlayPackage.size()); 5621 if (overlayResID != 0) { 5622 overlayResID = pkg_id | (0x00ffffff & overlayResID); 5623 last = Res_GETENTRY(resID); 5624 if (first == -1) { 5625 first = Res_GETENTRY(resID); 5626 } 5627 } 5628 vector.push(overlayResID); 5629#if 0 5630 if (overlayResID != 0) { 5631 ALOGD("%s/%s 0x%08x -> 0x%08x\n", 5632 String8(String16(resName.type)).string(), 5633 String8(String16(resName.name)).string(), 5634 resID, overlayResID); 5635 } 5636#endif 5637 } 5638 5639 if (first != -1) { 5640 // shave off trailing entries which lack overlay values 5641 const size_t last_past_one = last + 1; 5642 if (last_past_one < vector.size()) { 5643 vector.removeItemsAt(last_past_one, vector.size() - last_past_one); 5644 } 5645 // shave off leading entries which lack overlay values 5646 vector.removeItemsAt(0, first); 5647 // store offset to first overlaid resource ID of this type 5648 vector.insertAt((uint32_t)first, 0, 1); 5649 // reserve space for number and offset of entries, and the actual entries 5650 *outSize += (2 + vector.size()) * sizeof(uint32_t); 5651 } else { 5652 // no entries of current type defined in overlay package 5653 vector.clear(); 5654 // reserve space for type offset 5655 *outSize += 1 * sizeof(uint32_t); 5656 } 5657 } 5658 5659 if ((*outData = malloc(*outSize)) == NULL) { 5660 return NO_MEMORY; 5661 } 5662 uint32_t* data = (uint32_t*)*outData; 5663 *data++ = htodl(IDMAP_MAGIC); 5664 *data++ = htodl(targetCrc); 5665 *data++ = htodl(overlayCrc); 5666 const char* paths[] = { targetPath, overlayPath }; 5667 for (int j = 0; j < 2; ++j) { 5668 char* p = (char*)data; 5669 const char* path = paths[j]; 5670 const size_t I = strlen(path); 5671 if (I > 255) { 5672 ALOGV("path exceeds expected 255 characters: %s\n", path); 5673 return UNKNOWN_ERROR; 5674 } 5675 for (size_t i = 0; i < 256; ++i) { 5676 *p++ = i < I ? path[i] : '\0'; 5677 } 5678 data += 256 / sizeof(uint32_t); 5679 } 5680 const size_t mapSize = map.size(); 5681 *data++ = htodl(mapSize); 5682 size_t offset = mapSize; 5683 for (size_t i = 0; i < mapSize; ++i) { 5684 const Vector<uint32_t>& vector = map.itemAt(i); 5685 const size_t N = vector.size(); 5686 if (N == 0) { 5687 *data++ = htodl(0); 5688 } else { 5689 offset++; 5690 *data++ = htodl(offset); 5691 offset += N; 5692 } 5693 } 5694 if (offset == mapSize) { 5695 ALOGW("idmap: no resources in overlay package present in base package\n"); 5696 return UNKNOWN_ERROR; 5697 } 5698 for (size_t i = 0; i < mapSize; ++i) { 5699 const Vector<uint32_t>& vector = map.itemAt(i); 5700 const size_t N = vector.size(); 5701 if (N == 0) { 5702 continue; 5703 } 5704 if (N == 1) { // vector expected to hold (offset) + (N > 0 entries) 5705 ALOGW("idmap: type %d supposedly has entries, but no entries found\n", i); 5706 return UNKNOWN_ERROR; 5707 } 5708 *data++ = htodl(N - 1); // do not count the offset (which is vector's first element) 5709 for (size_t j = 0; j < N; ++j) { 5710 const uint32_t& overlayResID = vector.itemAt(j); 5711 *data++ = htodl(overlayResID); 5712 } 5713 } 5714 5715 return NO_ERROR; 5716} 5717 5718bool ResTable::getIdmapInfo(const void* idmap, size_t sizeBytes, 5719 uint32_t* pTargetCrc, uint32_t* pOverlayCrc, 5720 String8* pTargetPath, String8* pOverlayPath) 5721{ 5722 const uint32_t* map = (const uint32_t*)idmap; 5723 if (!assertIdmapHeader(map, sizeBytes)) { 5724 return false; 5725 } 5726 if (pTargetCrc) { 5727 *pTargetCrc = map[1]; 5728 } 5729 if (pOverlayCrc) { 5730 *pOverlayCrc = map[2]; 5731 } 5732 if (pTargetPath) { 5733 pTargetPath->setTo(reinterpret_cast<const char*>(map + 3)); 5734 } 5735 if (pOverlayPath) { 5736 pOverlayPath->setTo(reinterpret_cast<const char*>(map + 3 + 256 / sizeof(uint32_t))); 5737 } 5738 return true; 5739} 5740 5741 5742#define CHAR16_TO_CSTR(c16, len) (String8(String16(c16,len)).string()) 5743 5744#define CHAR16_ARRAY_EQ(constant, var, len) \ 5745 ((len == (sizeof(constant)/sizeof(constant[0]))) && (0 == memcmp((var), (constant), (len)))) 5746 5747static void print_complex(uint32_t complex, bool isFraction) 5748{ 5749 const float MANTISSA_MULT = 5750 1.0f / (1<<Res_value::COMPLEX_MANTISSA_SHIFT); 5751 const float RADIX_MULTS[] = { 5752 1.0f*MANTISSA_MULT, 1.0f/(1<<7)*MANTISSA_MULT, 5753 1.0f/(1<<15)*MANTISSA_MULT, 1.0f/(1<<23)*MANTISSA_MULT 5754 }; 5755 5756 float value = (complex&(Res_value::COMPLEX_MANTISSA_MASK 5757 <<Res_value::COMPLEX_MANTISSA_SHIFT)) 5758 * RADIX_MULTS[(complex>>Res_value::COMPLEX_RADIX_SHIFT) 5759 & Res_value::COMPLEX_RADIX_MASK]; 5760 printf("%f", value); 5761 5762 if (!isFraction) { 5763 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 5764 case Res_value::COMPLEX_UNIT_PX: printf("px"); break; 5765 case Res_value::COMPLEX_UNIT_DIP: printf("dp"); break; 5766 case Res_value::COMPLEX_UNIT_SP: printf("sp"); break; 5767 case Res_value::COMPLEX_UNIT_PT: printf("pt"); break; 5768 case Res_value::COMPLEX_UNIT_IN: printf("in"); break; 5769 case Res_value::COMPLEX_UNIT_MM: printf("mm"); break; 5770 default: printf(" (unknown unit)"); break; 5771 } 5772 } else { 5773 switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { 5774 case Res_value::COMPLEX_UNIT_FRACTION: printf("%%"); break; 5775 case Res_value::COMPLEX_UNIT_FRACTION_PARENT: printf("%%p"); break; 5776 default: printf(" (unknown unit)"); break; 5777 } 5778 } 5779} 5780 5781// Normalize a string for output 5782String8 ResTable::normalizeForOutput( const char *input ) 5783{ 5784 String8 ret; 5785 char buff[2]; 5786 buff[1] = '\0'; 5787 5788 while (*input != '\0') { 5789 switch (*input) { 5790 // All interesting characters are in the ASCII zone, so we are making our own lives 5791 // easier by scanning the string one byte at a time. 5792 case '\\': 5793 ret += "\\\\"; 5794 break; 5795 case '\n': 5796 ret += "\\n"; 5797 break; 5798 case '"': 5799 ret += "\\\""; 5800 break; 5801 default: 5802 buff[0] = *input; 5803 ret += buff; 5804 break; 5805 } 5806 5807 input++; 5808 } 5809 5810 return ret; 5811} 5812 5813void ResTable::print_value(const Package* pkg, const Res_value& value) const 5814{ 5815 if (value.dataType == Res_value::TYPE_NULL) { 5816 printf("(null)\n"); 5817 } else if (value.dataType == Res_value::TYPE_REFERENCE) { 5818 printf("(reference) 0x%08x\n", value.data); 5819 } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) { 5820 printf("(attribute) 0x%08x\n", value.data); 5821 } else if (value.dataType == Res_value::TYPE_STRING) { 5822 size_t len; 5823 const char* str8 = pkg->header->values.string8At( 5824 value.data, &len); 5825 if (str8 != NULL) { 5826 printf("(string8) \"%s\"\n", normalizeForOutput(str8).string()); 5827 } else { 5828 const char16_t* str16 = pkg->header->values.stringAt( 5829 value.data, &len); 5830 if (str16 != NULL) { 5831 printf("(string16) \"%s\"\n", 5832 normalizeForOutput(String8(str16, len).string()).string()); 5833 } else { 5834 printf("(string) null\n"); 5835 } 5836 } 5837 } else if (value.dataType == Res_value::TYPE_FLOAT) { 5838 printf("(float) %g\n", *(const float*)&value.data); 5839 } else if (value.dataType == Res_value::TYPE_DIMENSION) { 5840 printf("(dimension) "); 5841 print_complex(value.data, false); 5842 printf("\n"); 5843 } else if (value.dataType == Res_value::TYPE_FRACTION) { 5844 printf("(fraction) "); 5845 print_complex(value.data, true); 5846 printf("\n"); 5847 } else if (value.dataType >= Res_value::TYPE_FIRST_COLOR_INT 5848 || value.dataType <= Res_value::TYPE_LAST_COLOR_INT) { 5849 printf("(color) #%08x\n", value.data); 5850 } else if (value.dataType == Res_value::TYPE_INT_BOOLEAN) { 5851 printf("(boolean) %s\n", value.data ? "true" : "false"); 5852 } else if (value.dataType >= Res_value::TYPE_FIRST_INT 5853 || value.dataType <= Res_value::TYPE_LAST_INT) { 5854 printf("(int) 0x%08x or %d\n", value.data, value.data); 5855 } else { 5856 printf("(unknown type) t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)\n", 5857 (int)value.dataType, (int)value.data, 5858 (int)value.size, (int)value.res0); 5859 } 5860} 5861 5862void ResTable::print(bool inclValues) const 5863{ 5864 if (mError != 0) { 5865 printf("mError=0x%x (%s)\n", mError, strerror(mError)); 5866 } 5867#if 0 5868 char localeStr[RESTABLE_MAX_LOCALE_LEN]; 5869 mParams.getBcp47Locale(localeStr); 5870 printf("mParams=%s,\n" localeStr); 5871#endif 5872 size_t pgCount = mPackageGroups.size(); 5873 printf("Package Groups (%d)\n", (int)pgCount); 5874 for (size_t pgIndex=0; pgIndex<pgCount; pgIndex++) { 5875 const PackageGroup* pg = mPackageGroups[pgIndex]; 5876 printf("Package Group %d id=%d packageCount=%d name=%s\n", 5877 (int)pgIndex, pg->id, (int)pg->packages.size(), 5878 String8(pg->name).string()); 5879 5880 size_t pkgCount = pg->packages.size(); 5881 for (size_t pkgIndex=0; pkgIndex<pkgCount; pkgIndex++) { 5882 const Package* pkg = pg->packages[pkgIndex]; 5883 size_t typeCount = pkg->types.size(); 5884 printf(" Package %d id=%d name=%s typeCount=%d\n", (int)pkgIndex, 5885 pkg->package->id, String8(String16(pkg->package->name)).string(), 5886 (int)typeCount); 5887 for (size_t typeIndex=0; typeIndex<typeCount; typeIndex++) { 5888 const Type* typeConfigs = pkg->getType(typeIndex); 5889 if (typeConfigs == NULL) { 5890 printf(" type %d NULL\n", (int)typeIndex); 5891 continue; 5892 } 5893 const size_t NTC = typeConfigs->configs.size(); 5894 printf(" type %d configCount=%d entryCount=%d\n", 5895 (int)typeIndex, (int)NTC, (int)typeConfigs->entryCount); 5896 if (typeConfigs->typeSpecFlags != NULL) { 5897 for (size_t entryIndex=0; entryIndex<typeConfigs->entryCount; entryIndex++) { 5898 uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) 5899 | (0x00ff0000 & ((typeIndex+1)<<16)) 5900 | (0x0000ffff & (entryIndex)); 5901 resource_name resName; 5902 if (this->getResourceName(resID, true, &resName)) { 5903 String8 type8; 5904 String8 name8; 5905 if (resName.type8 != NULL) { 5906 type8 = String8(resName.type8, resName.typeLen); 5907 } else { 5908 type8 = String8(resName.type, resName.typeLen); 5909 } 5910 if (resName.name8 != NULL) { 5911 name8 = String8(resName.name8, resName.nameLen); 5912 } else { 5913 name8 = String8(resName.name, resName.nameLen); 5914 } 5915 printf(" spec resource 0x%08x %s:%s/%s: flags=0x%08x\n", 5916 resID, 5917 CHAR16_TO_CSTR(resName.package, resName.packageLen), 5918 type8.string(), name8.string(), 5919 dtohl(typeConfigs->typeSpecFlags[entryIndex])); 5920 } else { 5921 printf(" INVALID TYPE CONFIG FOR RESOURCE 0x%08x\n", resID); 5922 } 5923 } 5924 } 5925 for (size_t configIndex=0; configIndex<NTC; configIndex++) { 5926 const ResTable_type* type = typeConfigs->configs[configIndex]; 5927 if ((((uint64_t)type)&0x3) != 0) { 5928 printf(" NON-INTEGER ResTable_type ADDRESS: %p\n", type); 5929 continue; 5930 } 5931 String8 configStr = type->config.toString(); 5932 printf(" config %s:\n", configStr.size() > 0 5933 ? configStr.string() : "(default)"); 5934 size_t entryCount = dtohl(type->entryCount); 5935 uint32_t entriesStart = dtohl(type->entriesStart); 5936 if ((entriesStart&0x3) != 0) { 5937 printf(" NON-INTEGER ResTable_type entriesStart OFFSET: %p\n", (void*)entriesStart); 5938 continue; 5939 } 5940 uint32_t typeSize = dtohl(type->header.size); 5941 if ((typeSize&0x3) != 0) { 5942 printf(" NON-INTEGER ResTable_type header.size: %p\n", (void*)typeSize); 5943 continue; 5944 } 5945 for (size_t entryIndex=0; entryIndex<entryCount; entryIndex++) { 5946 5947 const uint8_t* const end = ((const uint8_t*)type) 5948 + dtohl(type->header.size); 5949 const uint32_t* const eindex = (const uint32_t*) 5950 (((const uint8_t*)type) + dtohs(type->header.headerSize)); 5951 5952 uint32_t thisOffset = dtohl(eindex[entryIndex]); 5953 if (thisOffset == ResTable_type::NO_ENTRY) { 5954 continue; 5955 } 5956 5957 uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) 5958 | (0x00ff0000 & ((typeIndex+1)<<16)) 5959 | (0x0000ffff & (entryIndex)); 5960 resource_name resName; 5961 if (this->getResourceName(resID, true, &resName)) { 5962 String8 type8; 5963 String8 name8; 5964 if (resName.type8 != NULL) { 5965 type8 = String8(resName.type8, resName.typeLen); 5966 } else { 5967 type8 = String8(resName.type, resName.typeLen); 5968 } 5969 if (resName.name8 != NULL) { 5970 name8 = String8(resName.name8, resName.nameLen); 5971 } else { 5972 name8 = String8(resName.name, resName.nameLen); 5973 } 5974 printf(" resource 0x%08x %s:%s/%s: ", resID, 5975 CHAR16_TO_CSTR(resName.package, resName.packageLen), 5976 type8.string(), name8.string()); 5977 } else { 5978 printf(" INVALID RESOURCE 0x%08x: ", resID); 5979 } 5980 if ((thisOffset&0x3) != 0) { 5981 printf("NON-INTEGER OFFSET: %p\n", (void*)thisOffset); 5982 continue; 5983 } 5984 if ((thisOffset+sizeof(ResTable_entry)) > typeSize) { 5985 printf("OFFSET OUT OF BOUNDS: %p+%p (size is %p)\n", 5986 (void*)entriesStart, (void*)thisOffset, 5987 (void*)typeSize); 5988 continue; 5989 } 5990 5991 const ResTable_entry* ent = (const ResTable_entry*) 5992 (((const uint8_t*)type) + entriesStart + thisOffset); 5993 if (((entriesStart + thisOffset)&0x3) != 0) { 5994 printf("NON-INTEGER ResTable_entry OFFSET: %p\n", 5995 (void*)(entriesStart + thisOffset)); 5996 continue; 5997 } 5998 5999 uintptr_t esize = dtohs(ent->size); 6000 if ((esize&0x3) != 0) { 6001 printf("NON-INTEGER ResTable_entry SIZE: %p\n", (void*)esize); 6002 continue; 6003 } 6004 if ((thisOffset+esize) > typeSize) { 6005 printf("ResTable_entry OUT OF BOUNDS: %p+%p+%p (size is %p)\n", 6006 (void*)entriesStart, (void*)thisOffset, 6007 (void*)esize, (void*)typeSize); 6008 continue; 6009 } 6010 6011 const Res_value* valuePtr = NULL; 6012 const ResTable_map_entry* bagPtr = NULL; 6013 Res_value value; 6014 if ((dtohs(ent->flags)&ResTable_entry::FLAG_COMPLEX) != 0) { 6015 printf("<bag>"); 6016 bagPtr = (const ResTable_map_entry*)ent; 6017 } else { 6018 valuePtr = (const Res_value*) 6019 (((const uint8_t*)ent) + esize); 6020 value.copyFrom_dtoh(*valuePtr); 6021 printf("t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)", 6022 (int)value.dataType, (int)value.data, 6023 (int)value.size, (int)value.res0); 6024 } 6025 6026 if ((dtohs(ent->flags)&ResTable_entry::FLAG_PUBLIC) != 0) { 6027 printf(" (PUBLIC)"); 6028 } 6029 printf("\n"); 6030 6031 if (inclValues) { 6032 if (valuePtr != NULL) { 6033 printf(" "); 6034 print_value(pkg, value); 6035 } else if (bagPtr != NULL) { 6036 const int N = dtohl(bagPtr->count); 6037 const uint8_t* baseMapPtr = (const uint8_t*)ent; 6038 size_t mapOffset = esize; 6039 const ResTable_map* mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); 6040 printf(" Parent=0x%08x, Count=%d\n", 6041 dtohl(bagPtr->parent.ident), N); 6042 for (int i=0; i<N && mapOffset < (typeSize-sizeof(ResTable_map)); i++) { 6043 printf(" #%i (Key=0x%08x): ", 6044 i, dtohl(mapPtr->name.ident)); 6045 value.copyFrom_dtoh(mapPtr->value); 6046 print_value(pkg, value); 6047 const size_t size = dtohs(mapPtr->value.size); 6048 mapOffset += size + sizeof(*mapPtr)-sizeof(mapPtr->value); 6049 mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); 6050 } 6051 } 6052 } 6053 } 6054 } 6055 } 6056 } 6057 } 6058} 6059 6060} // namespace android 6061