| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "ResourceType" |
| //#define LOG_NDEBUG 0 |
| |
| #include <androidfw/ResourceTypes.h> |
| #include <utils/Atomic.h> |
| #include <utils/ByteOrder.h> |
| #include <utils/Debug.h> |
| #include <utils/Log.h> |
| #include <utils/String16.h> |
| #include <utils/String8.h> |
| #include <utils/TextOutput.h> |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <memory.h> |
| #include <ctype.h> |
| #include <stdint.h> |
| |
| #ifndef INT32_MAX |
| #define INT32_MAX ((int32_t)(2147483647)) |
| #endif |
| |
| #define POOL_NOISY(x) //x |
| #define XML_NOISY(x) //x |
| #define TABLE_NOISY(x) //x |
| #define TABLE_GETENTRY(x) //x |
| #define TABLE_SUPER_NOISY(x) //x |
| #define LOAD_TABLE_NOISY(x) //x |
| #define TABLE_THEME(x) //x |
| |
| namespace android { |
| |
| #ifdef HAVE_WINSOCK |
| #undef nhtol |
| #undef htonl |
| |
| #ifdef HAVE_LITTLE_ENDIAN |
| #define ntohl(x) ( ((x) << 24) | (((x) >> 24) & 255) | (((x) << 8) & 0xff0000) | (((x) >> 8) & 0xff00) ) |
| #define htonl(x) ntohl(x) |
| #define ntohs(x) ( (((x) << 8) & 0xff00) | (((x) >> 8) & 255) ) |
| #define htons(x) ntohs(x) |
| #else |
| #define ntohl(x) (x) |
| #define htonl(x) (x) |
| #define ntohs(x) (x) |
| #define htons(x) (x) |
| #endif |
| #endif |
| |
| #define IDMAP_MAGIC 0x706d6469 |
| // size measured in sizeof(uint32_t) |
| #define IDMAP_HEADER_SIZE (ResTable::IDMAP_HEADER_SIZE_BYTES / sizeof(uint32_t)) |
| |
| static void printToLogFunc(void* cookie, const char* txt) |
| { |
| ALOGV("%s", txt); |
| } |
| |
| // Standard C isspace() is only required to look at the low byte of its input, so |
| // produces incorrect results for UTF-16 characters. For safety's sake, assume that |
| // any high-byte UTF-16 code point is not whitespace. |
| inline int isspace16(char16_t c) { |
| return (c < 0x0080 && isspace(c)); |
| } |
| |
| // range checked; guaranteed to NUL-terminate within the stated number of available slots |
| // NOTE: if this truncates the dst string due to running out of space, no attempt is |
| // made to avoid splitting surrogate pairs. |
| static void strcpy16_dtoh(uint16_t* dst, const uint16_t* src, size_t avail) |
| { |
| uint16_t* last = dst + avail - 1; |
| while (*src && (dst < last)) { |
| char16_t s = dtohs(*src); |
| *dst++ = s; |
| src++; |
| } |
| *dst = 0; |
| } |
| |
| static status_t validate_chunk(const ResChunk_header* chunk, |
| size_t minSize, |
| const uint8_t* dataEnd, |
| const char* name) |
| { |
| const uint16_t headerSize = dtohs(chunk->headerSize); |
| const uint32_t size = dtohl(chunk->size); |
| |
| if (headerSize >= minSize) { |
| if (headerSize <= size) { |
| if (((headerSize|size)&0x3) == 0) { |
| if ((ssize_t)size <= (dataEnd-((const uint8_t*)chunk))) { |
| return NO_ERROR; |
| } |
| ALOGW("%s data size %p extends beyond resource end %p.", |
| name, (void*)size, |
| (void*)(dataEnd-((const uint8_t*)chunk))); |
| return BAD_TYPE; |
| } |
| ALOGW("%s size 0x%x or headerSize 0x%x is not on an integer boundary.", |
| name, (int)size, (int)headerSize); |
| return BAD_TYPE; |
| } |
| ALOGW("%s size %p is smaller than header size %p.", |
| name, (void*)size, (void*)(int)headerSize); |
| return BAD_TYPE; |
| } |
| ALOGW("%s header size %p is too small.", |
| name, (void*)(int)headerSize); |
| return BAD_TYPE; |
| } |
| |
| inline void Res_value::copyFrom_dtoh(const Res_value& src) |
| { |
| size = dtohs(src.size); |
| res0 = src.res0; |
| dataType = src.dataType; |
| data = dtohl(src.data); |
| } |
| |
| void Res_png_9patch::deviceToFile() |
| { |
| for (int i = 0; i < numXDivs; i++) { |
| xDivs[i] = htonl(xDivs[i]); |
| } |
| for (int i = 0; i < numYDivs; i++) { |
| yDivs[i] = htonl(yDivs[i]); |
| } |
| paddingLeft = htonl(paddingLeft); |
| paddingRight = htonl(paddingRight); |
| paddingTop = htonl(paddingTop); |
| paddingBottom = htonl(paddingBottom); |
| for (int i=0; i<numColors; i++) { |
| colors[i] = htonl(colors[i]); |
| } |
| } |
| |
| void Res_png_9patch::fileToDevice() |
| { |
| for (int i = 0; i < numXDivs; i++) { |
| xDivs[i] = ntohl(xDivs[i]); |
| } |
| for (int i = 0; i < numYDivs; i++) { |
| yDivs[i] = ntohl(yDivs[i]); |
| } |
| paddingLeft = ntohl(paddingLeft); |
| paddingRight = ntohl(paddingRight); |
| paddingTop = ntohl(paddingTop); |
| paddingBottom = ntohl(paddingBottom); |
| for (int i=0; i<numColors; i++) { |
| colors[i] = ntohl(colors[i]); |
| } |
| } |
| |
| size_t Res_png_9patch::serializedSize() |
| { |
| // The size of this struct is 32 bytes on the 32-bit target system |
| // 4 * int8_t |
| // 4 * int32_t |
| // 3 * pointer |
| return 32 |
| + numXDivs * sizeof(int32_t) |
| + numYDivs * sizeof(int32_t) |
| + numColors * sizeof(uint32_t); |
| } |
| |
| void* Res_png_9patch::serialize() |
| { |
| // Use calloc since we're going to leave a few holes in the data |
| // and want this to run cleanly under valgrind |
| void* newData = calloc(1, serializedSize()); |
| serialize(newData); |
| return newData; |
| } |
| |
| void Res_png_9patch::serialize(void * outData) |
| { |
| char* data = (char*) outData; |
| memmove(data, &wasDeserialized, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors |
| memmove(data + 12, &paddingLeft, 16); // copy paddingXXXX |
| data += 32; |
| |
| memmove(data, this->xDivs, numXDivs * sizeof(int32_t)); |
| data += numXDivs * sizeof(int32_t); |
| memmove(data, this->yDivs, numYDivs * sizeof(int32_t)); |
| data += numYDivs * sizeof(int32_t); |
| memmove(data, this->colors, numColors * sizeof(uint32_t)); |
| } |
| |
| static void deserializeInternal(const void* inData, Res_png_9patch* outData) { |
| char* patch = (char*) inData; |
| if (inData != outData) { |
| memmove(&outData->wasDeserialized, patch, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors |
| memmove(&outData->paddingLeft, patch + 12, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors |
| } |
| outData->wasDeserialized = true; |
| char* data = (char*)outData; |
| data += sizeof(Res_png_9patch); |
| outData->xDivs = (int32_t*) data; |
| data += outData->numXDivs * sizeof(int32_t); |
| outData->yDivs = (int32_t*) data; |
| data += outData->numYDivs * sizeof(int32_t); |
| outData->colors = (uint32_t*) data; |
| } |
| |
| static bool assertIdmapHeader(const uint32_t* map, size_t sizeBytes) |
| { |
| if (sizeBytes < ResTable::IDMAP_HEADER_SIZE_BYTES) { |
| ALOGW("idmap assertion failed: size=%d bytes\n", (int)sizeBytes); |
| return false; |
| } |
| if (*map != htodl(IDMAP_MAGIC)) { // htodl: map data expected to be in correct endianess |
| ALOGW("idmap assertion failed: invalid magic found (is 0x%08x, expected 0x%08x)\n", |
| *map, htodl(IDMAP_MAGIC)); |
| return false; |
| } |
| return true; |
| } |
| |
| static status_t idmapLookup(const uint32_t* map, size_t sizeBytes, uint32_t key, uint32_t* outValue) |
| { |
| // see README for details on the format of map |
| if (!assertIdmapHeader(map, sizeBytes)) { |
| return UNKNOWN_ERROR; |
| } |
| map = map + IDMAP_HEADER_SIZE; // skip ahead to data segment |
| // size of data block, in uint32_t |
| const size_t size = (sizeBytes - ResTable::IDMAP_HEADER_SIZE_BYTES) / sizeof(uint32_t); |
| const uint32_t type = Res_GETTYPE(key) + 1; // add one, idmap stores "public" type id |
| const uint32_t entry = Res_GETENTRY(key); |
| const uint32_t typeCount = *map; |
| |
| if (type > typeCount) { |
| ALOGW("Resource ID map: type=%d exceeds number of types=%d\n", type, typeCount); |
| return UNKNOWN_ERROR; |
| } |
| if (typeCount > size) { |
| ALOGW("Resource ID map: number of types=%d exceeds size of map=%d\n", typeCount, (int)size); |
| return UNKNOWN_ERROR; |
| } |
| const uint32_t typeOffset = map[type]; |
| if (typeOffset == 0) { |
| *outValue = 0; |
| return NO_ERROR; |
| } |
| if (typeOffset + 1 > size) { |
| ALOGW("Resource ID map: type offset=%d exceeds reasonable value, size of map=%d\n", |
| typeOffset, (int)size); |
| return UNKNOWN_ERROR; |
| } |
| const uint32_t entryCount = map[typeOffset]; |
| const uint32_t entryOffset = map[typeOffset + 1]; |
| if (entryCount == 0 || entry < entryOffset || entry - entryOffset > entryCount - 1) { |
| *outValue = 0; |
| return NO_ERROR; |
| } |
| const uint32_t index = typeOffset + 2 + entry - entryOffset; |
| if (index > size) { |
| ALOGW("Resource ID map: entry index=%d exceeds size of map=%d\n", index, (int)size); |
| *outValue = 0; |
| return NO_ERROR; |
| } |
| *outValue = map[index]; |
| |
| return NO_ERROR; |
| } |
| |
| static status_t getIdmapPackageId(const uint32_t* map, size_t mapSize, uint32_t *outId) |
| { |
| if (!assertIdmapHeader(map, mapSize)) { |
| return UNKNOWN_ERROR; |
| } |
| const uint32_t* p = map + IDMAP_HEADER_SIZE + 1; |
| while (*p == 0) { |
| ++p; |
| } |
| *outId = (map[*p + IDMAP_HEADER_SIZE + 2] >> 24) & 0x000000ff; |
| return NO_ERROR; |
| } |
| |
| Res_png_9patch* Res_png_9patch::deserialize(const void* inData) |
| { |
| if (sizeof(void*) != sizeof(int32_t)) { |
| ALOGE("Cannot deserialize on non 32-bit system\n"); |
| return NULL; |
| } |
| deserializeInternal(inData, (Res_png_9patch*) inData); |
| return (Res_png_9patch*) inData; |
| } |
| |
| // -------------------------------------------------------------------- |
| // -------------------------------------------------------------------- |
| // -------------------------------------------------------------------- |
| |
| ResStringPool::ResStringPool() |
| : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) |
| { |
| } |
| |
| ResStringPool::ResStringPool(const void* data, size_t size, bool copyData) |
| : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) |
| { |
| setTo(data, size, copyData); |
| } |
| |
| ResStringPool::~ResStringPool() |
| { |
| uninit(); |
| } |
| |
| status_t ResStringPool::setTo(const void* data, size_t size, bool copyData) |
| { |
| if (!data || !size) { |
| return (mError=BAD_TYPE); |
| } |
| |
| uninit(); |
| |
| const bool notDeviceEndian = htods(0xf0) != 0xf0; |
| |
| if (copyData || notDeviceEndian) { |
| mOwnedData = malloc(size); |
| if (mOwnedData == NULL) { |
| return (mError=NO_MEMORY); |
| } |
| memcpy(mOwnedData, data, size); |
| data = mOwnedData; |
| } |
| |
| mHeader = (const ResStringPool_header*)data; |
| |
| if (notDeviceEndian) { |
| ResStringPool_header* h = const_cast<ResStringPool_header*>(mHeader); |
| h->header.headerSize = dtohs(mHeader->header.headerSize); |
| h->header.type = dtohs(mHeader->header.type); |
| h->header.size = dtohl(mHeader->header.size); |
| h->stringCount = dtohl(mHeader->stringCount); |
| h->styleCount = dtohl(mHeader->styleCount); |
| h->flags = dtohl(mHeader->flags); |
| h->stringsStart = dtohl(mHeader->stringsStart); |
| h->stylesStart = dtohl(mHeader->stylesStart); |
| } |
| |
| if (mHeader->header.headerSize > mHeader->header.size |
| || mHeader->header.size > size) { |
| ALOGW("Bad string block: header size %d or total size %d is larger than data size %d\n", |
| (int)mHeader->header.headerSize, (int)mHeader->header.size, (int)size); |
| return (mError=BAD_TYPE); |
| } |
| mSize = mHeader->header.size; |
| mEntries = (const uint32_t*) |
| (((const uint8_t*)data)+mHeader->header.headerSize); |
| |
| if (mHeader->stringCount > 0) { |
| if ((mHeader->stringCount*sizeof(uint32_t) < mHeader->stringCount) // uint32 overflow? |
| || (mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))) |
| > size) { |
| ALOGW("Bad string block: entry of %d items extends past data size %d\n", |
| (int)(mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))), |
| (int)size); |
| return (mError=BAD_TYPE); |
| } |
| |
| size_t charSize; |
| if (mHeader->flags&ResStringPool_header::UTF8_FLAG) { |
| charSize = sizeof(uint8_t); |
| mCache = (char16_t**)calloc(mHeader->stringCount, sizeof(char16_t**)); |
| } else { |
| charSize = sizeof(char16_t); |
| } |
| |
| mStrings = (const void*) |
| (((const uint8_t*)data)+mHeader->stringsStart); |
| if (mHeader->stringsStart >= (mHeader->header.size-sizeof(uint16_t))) { |
| ALOGW("Bad string block: string pool starts at %d, after total size %d\n", |
| (int)mHeader->stringsStart, (int)mHeader->header.size); |
| return (mError=BAD_TYPE); |
| } |
| if (mHeader->styleCount == 0) { |
| mStringPoolSize = |
| (mHeader->header.size-mHeader->stringsStart)/charSize; |
| } else { |
| // check invariant: styles starts before end of data |
| if (mHeader->stylesStart >= (mHeader->header.size-sizeof(uint16_t))) { |
| ALOGW("Bad style block: style block starts at %d past data size of %d\n", |
| (int)mHeader->stylesStart, (int)mHeader->header.size); |
| return (mError=BAD_TYPE); |
| } |
| // check invariant: styles follow the strings |
| if (mHeader->stylesStart <= mHeader->stringsStart) { |
| ALOGW("Bad style block: style block starts at %d, before strings at %d\n", |
| (int)mHeader->stylesStart, (int)mHeader->stringsStart); |
| return (mError=BAD_TYPE); |
| } |
| mStringPoolSize = |
| (mHeader->stylesStart-mHeader->stringsStart)/charSize; |
| } |
| |
| // check invariant: stringCount > 0 requires a string pool to exist |
| if (mStringPoolSize == 0) { |
| ALOGW("Bad string block: stringCount is %d but pool size is 0\n", (int)mHeader->stringCount); |
| return (mError=BAD_TYPE); |
| } |
| |
| if (notDeviceEndian) { |
| size_t i; |
| uint32_t* e = const_cast<uint32_t*>(mEntries); |
| for (i=0; i<mHeader->stringCount; i++) { |
| e[i] = dtohl(mEntries[i]); |
| } |
| if (!(mHeader->flags&ResStringPool_header::UTF8_FLAG)) { |
| const char16_t* strings = (const char16_t*)mStrings; |
| char16_t* s = const_cast<char16_t*>(strings); |
| for (i=0; i<mStringPoolSize; i++) { |
| s[i] = dtohs(strings[i]); |
| } |
| } |
| } |
| |
| if ((mHeader->flags&ResStringPool_header::UTF8_FLAG && |
| ((uint8_t*)mStrings)[mStringPoolSize-1] != 0) || |
| (!mHeader->flags&ResStringPool_header::UTF8_FLAG && |
| ((char16_t*)mStrings)[mStringPoolSize-1] != 0)) { |
| ALOGW("Bad string block: last string is not 0-terminated\n"); |
| return (mError=BAD_TYPE); |
| } |
| } else { |
| mStrings = NULL; |
| mStringPoolSize = 0; |
| } |
| |
| if (mHeader->styleCount > 0) { |
| mEntryStyles = mEntries + mHeader->stringCount; |
| // invariant: integer overflow in calculating mEntryStyles |
| if (mEntryStyles < mEntries) { |
| ALOGW("Bad string block: integer overflow finding styles\n"); |
| return (mError=BAD_TYPE); |
| } |
| |
| if (((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader) > (int)size) { |
| ALOGW("Bad string block: entry of %d styles extends past data size %d\n", |
| (int)((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader), |
| (int)size); |
| return (mError=BAD_TYPE); |
| } |
| mStyles = (const uint32_t*) |
| (((const uint8_t*)data)+mHeader->stylesStart); |
| if (mHeader->stylesStart >= mHeader->header.size) { |
| ALOGW("Bad string block: style pool starts %d, after total size %d\n", |
| (int)mHeader->stylesStart, (int)mHeader->header.size); |
| return (mError=BAD_TYPE); |
| } |
| mStylePoolSize = |
| (mHeader->header.size-mHeader->stylesStart)/sizeof(uint32_t); |
| |
| if (notDeviceEndian) { |
| size_t i; |
| uint32_t* e = const_cast<uint32_t*>(mEntryStyles); |
| for (i=0; i<mHeader->styleCount; i++) { |
| e[i] = dtohl(mEntryStyles[i]); |
| } |
| uint32_t* s = const_cast<uint32_t*>(mStyles); |
| for (i=0; i<mStylePoolSize; i++) { |
| s[i] = dtohl(mStyles[i]); |
| } |
| } |
| |
| const ResStringPool_span endSpan = { |
| { htodl(ResStringPool_span::END) }, |
| htodl(ResStringPool_span::END), htodl(ResStringPool_span::END) |
| }; |
| if (memcmp(&mStyles[mStylePoolSize-(sizeof(endSpan)/sizeof(uint32_t))], |
| &endSpan, sizeof(endSpan)) != 0) { |
| ALOGW("Bad string block: last style is not 0xFFFFFFFF-terminated\n"); |
| return (mError=BAD_TYPE); |
| } |
| } else { |
| mEntryStyles = NULL; |
| mStyles = NULL; |
| mStylePoolSize = 0; |
| } |
| |
| return (mError=NO_ERROR); |
| } |
| |
| status_t ResStringPool::getError() const |
| { |
| return mError; |
| } |
| |
| void ResStringPool::uninit() |
| { |
| mError = NO_INIT; |
| if (mHeader != NULL && mCache != NULL) { |
| for (size_t x = 0; x < mHeader->stringCount; x++) { |
| if (mCache[x] != NULL) { |
| free(mCache[x]); |
| mCache[x] = NULL; |
| } |
| } |
| free(mCache); |
| mCache = NULL; |
| } |
| if (mOwnedData) { |
| free(mOwnedData); |
| mOwnedData = NULL; |
| } |
| } |
| |
| /** |
| * Strings in UTF-16 format have length indicated by a length encoded in the |
| * stored data. It is either 1 or 2 characters of length data. This allows a |
| * maximum length of 0x7FFFFFF (2147483647 bytes), but if you're storing that |
| * much data in a string, you're abusing them. |
| * |
| * If the high bit is set, then there are two characters or 4 bytes of length |
| * data encoded. In that case, drop the high bit of the first character and |
| * add it together with the next character. |
| */ |
| static inline size_t |
| decodeLength(const char16_t** str) |
| { |
| size_t len = **str; |
| if ((len & 0x8000) != 0) { |
| (*str)++; |
| len = ((len & 0x7FFF) << 16) | **str; |
| } |
| (*str)++; |
| return len; |
| } |
| |
| /** |
| * Strings in UTF-8 format have length indicated by a length encoded in the |
| * stored data. It is either 1 or 2 characters of length data. This allows a |
| * maximum length of 0x7FFF (32767 bytes), but you should consider storing |
| * text in another way if you're using that much data in a single string. |
| * |
| * If the high bit is set, then there are two characters or 2 bytes of length |
| * data encoded. In that case, drop the high bit of the first character and |
| * add it together with the next character. |
| */ |
| static inline size_t |
| decodeLength(const uint8_t** str) |
| { |
| size_t len = **str; |
| if ((len & 0x80) != 0) { |
| (*str)++; |
| len = ((len & 0x7F) << 8) | **str; |
| } |
| (*str)++; |
| return len; |
| } |
| |
| const uint16_t* ResStringPool::stringAt(size_t idx, size_t* u16len) const |
| { |
| if (mError == NO_ERROR && idx < mHeader->stringCount) { |
| const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; |
| const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); |
| if (off < (mStringPoolSize-1)) { |
| if (!isUTF8) { |
| const char16_t* strings = (char16_t*)mStrings; |
| const char16_t* str = strings+off; |
| |
| *u16len = decodeLength(&str); |
| if ((uint32_t)(str+*u16len-strings) < mStringPoolSize) { |
| return str; |
| } else { |
| ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", |
| (int)idx, (int)(str+*u16len-strings), (int)mStringPoolSize); |
| } |
| } else { |
| const uint8_t* strings = (uint8_t*)mStrings; |
| const uint8_t* u8str = strings+off; |
| |
| *u16len = decodeLength(&u8str); |
| size_t u8len = decodeLength(&u8str); |
| |
| // encLen must be less than 0x7FFF due to encoding. |
| if ((uint32_t)(u8str+u8len-strings) < mStringPoolSize) { |
| AutoMutex lock(mDecodeLock); |
| |
| if (mCache[idx] != NULL) { |
| return mCache[idx]; |
| } |
| |
| ssize_t actualLen = utf8_to_utf16_length(u8str, u8len); |
| if (actualLen < 0 || (size_t)actualLen != *u16len) { |
| ALOGW("Bad string block: string #%lld decoded length is not correct " |
| "%lld vs %llu\n", |
| (long long)idx, (long long)actualLen, (long long)*u16len); |
| return NULL; |
| } |
| |
| char16_t *u16str = (char16_t *)calloc(*u16len+1, sizeof(char16_t)); |
| if (!u16str) { |
| ALOGW("No memory when trying to allocate decode cache for string #%d\n", |
| (int)idx); |
| return NULL; |
| } |
| |
| utf8_to_utf16(u8str, u8len, u16str); |
| mCache[idx] = u16str; |
| return u16str; |
| } else { |
| ALOGW("Bad string block: string #%lld extends to %lld, past end at %lld\n", |
| (long long)idx, (long long)(u8str+u8len-strings), |
| (long long)mStringPoolSize); |
| } |
| } |
| } else { |
| ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", |
| (int)idx, (int)(off*sizeof(uint16_t)), |
| (int)(mStringPoolSize*sizeof(uint16_t))); |
| } |
| } |
| return NULL; |
| } |
| |
| const char* ResStringPool::string8At(size_t idx, size_t* outLen) const |
| { |
| if (mError == NO_ERROR && idx < mHeader->stringCount) { |
| const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; |
| const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); |
| if (off < (mStringPoolSize-1)) { |
| if (isUTF8) { |
| const uint8_t* strings = (uint8_t*)mStrings; |
| const uint8_t* str = strings+off; |
| *outLen = decodeLength(&str); |
| size_t encLen = decodeLength(&str); |
| if ((uint32_t)(str+encLen-strings) < mStringPoolSize) { |
| return (const char*)str; |
| } else { |
| ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", |
| (int)idx, (int)(str+encLen-strings), (int)mStringPoolSize); |
| } |
| } |
| } else { |
| ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", |
| (int)idx, (int)(off*sizeof(uint16_t)), |
| (int)(mStringPoolSize*sizeof(uint16_t))); |
| } |
| } |
| return NULL; |
| } |
| |
| const String8 ResStringPool::string8ObjectAt(size_t idx) const |
| { |
| size_t len; |
| const char *str = (const char*)string8At(idx, &len); |
| if (str != NULL) { |
| return String8(str); |
| } |
| return String8(stringAt(idx, &len)); |
| } |
| |
| const ResStringPool_span* ResStringPool::styleAt(const ResStringPool_ref& ref) const |
| { |
| return styleAt(ref.index); |
| } |
| |
| const ResStringPool_span* ResStringPool::styleAt(size_t idx) const |
| { |
| if (mError == NO_ERROR && idx < mHeader->styleCount) { |
| const uint32_t off = (mEntryStyles[idx]/sizeof(uint32_t)); |
| if (off < mStylePoolSize) { |
| return (const ResStringPool_span*)(mStyles+off); |
| } else { |
| ALOGW("Bad string block: style #%d entry is at %d, past end at %d\n", |
| (int)idx, (int)(off*sizeof(uint32_t)), |
| (int)(mStylePoolSize*sizeof(uint32_t))); |
| } |
| } |
| return NULL; |
| } |
| |
| ssize_t ResStringPool::indexOfString(const char16_t* str, size_t strLen) const |
| { |
| if (mError != NO_ERROR) { |
| return mError; |
| } |
| |
| size_t len; |
| |
| // TODO optimize searching for UTF-8 strings taking into account |
| // the cache fill to determine when to convert the searched-for |
| // string key to UTF-8. |
| |
| if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { |
| // Do a binary search for the string... |
| ssize_t l = 0; |
| ssize_t h = mHeader->stringCount-1; |
| |
| ssize_t mid; |
| while (l <= h) { |
| mid = l + (h - l)/2; |
| const char16_t* s = stringAt(mid, &len); |
| int c = s ? strzcmp16(s, len, str, strLen) : -1; |
| POOL_NOISY(printf("Looking for %s, at %s, cmp=%d, l/mid/h=%d/%d/%d\n", |
| String8(str).string(), |
| String8(s).string(), |
| c, (int)l, (int)mid, (int)h)); |
| if (c == 0) { |
| return mid; |
| } else if (c < 0) { |
| l = mid + 1; |
| } else { |
| h = mid - 1; |
| } |
| } |
| } else { |
| // It is unusual to get the ID from an unsorted string block... |
| // most often this happens because we want to get IDs for style |
| // span tags; since those always appear at the end of the string |
| // block, start searching at the back. |
| for (int i=mHeader->stringCount-1; i>=0; i--) { |
| const char16_t* s = stringAt(i, &len); |
| POOL_NOISY(printf("Looking for %s, at %s, i=%d\n", |
| String8(str, strLen).string(), |
| String8(s).string(), |
| i)); |
| if (s && strzcmp16(s, len, str, strLen) == 0) { |
| return i; |
| } |
| } |
| } |
| |
| return NAME_NOT_FOUND; |
| } |
| |
| size_t ResStringPool::size() const |
| { |
| return (mError == NO_ERROR) ? mHeader->stringCount : 0; |
| } |
| |
| size_t ResStringPool::styleCount() const |
| { |
| return (mError == NO_ERROR) ? mHeader->styleCount : 0; |
| } |
| |
| size_t ResStringPool::bytes() const |
| { |
| return (mError == NO_ERROR) ? mHeader->header.size : 0; |
| } |
| |
| bool ResStringPool::isSorted() const |
| { |
| return (mHeader->flags&ResStringPool_header::SORTED_FLAG)!=0; |
| } |
| |
| bool ResStringPool::isUTF8() const |
| { |
| return (mHeader->flags&ResStringPool_header::UTF8_FLAG)!=0; |
| } |
| |
| // -------------------------------------------------------------------- |
| // -------------------------------------------------------------------- |
| // -------------------------------------------------------------------- |
| |
| ResXMLParser::ResXMLParser(const ResXMLTree& tree) |
| : mTree(tree), mEventCode(BAD_DOCUMENT) |
| { |
| } |
| |
| void ResXMLParser::restart() |
| { |
| mCurNode = NULL; |
| mEventCode = mTree.mError == NO_ERROR ? START_DOCUMENT : BAD_DOCUMENT; |
| } |
| const ResStringPool& ResXMLParser::getStrings() const |
| { |
| return mTree.mStrings; |
| } |
| |
| ResXMLParser::event_code_t ResXMLParser::getEventType() const |
| { |
| return mEventCode; |
| } |
| |
| ResXMLParser::event_code_t ResXMLParser::next() |
| { |
| if (mEventCode == START_DOCUMENT) { |
| mCurNode = mTree.mRootNode; |
| mCurExt = mTree.mRootExt; |
| return (mEventCode=mTree.mRootCode); |
| } else if (mEventCode >= FIRST_CHUNK_CODE) { |
| return nextNode(); |
| } |
| return mEventCode; |
| } |
| |
| int32_t ResXMLParser::getCommentID() const |
| { |
| return mCurNode != NULL ? dtohl(mCurNode->comment.index) : -1; |
| } |
| |
| const uint16_t* ResXMLParser::getComment(size_t* outLen) const |
| { |
| int32_t id = getCommentID(); |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| uint32_t ResXMLParser::getLineNumber() const |
| { |
| return mCurNode != NULL ? dtohl(mCurNode->lineNumber) : -1; |
| } |
| |
| int32_t ResXMLParser::getTextID() const |
| { |
| if (mEventCode == TEXT) { |
| return dtohl(((const ResXMLTree_cdataExt*)mCurExt)->data.index); |
| } |
| return -1; |
| } |
| |
| const uint16_t* ResXMLParser::getText(size_t* outLen) const |
| { |
| int32_t id = getTextID(); |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| ssize_t ResXMLParser::getTextValue(Res_value* outValue) const |
| { |
| if (mEventCode == TEXT) { |
| outValue->copyFrom_dtoh(((const ResXMLTree_cdataExt*)mCurExt)->typedData); |
| return sizeof(Res_value); |
| } |
| return BAD_TYPE; |
| } |
| |
| int32_t ResXMLParser::getNamespacePrefixID() const |
| { |
| if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { |
| return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->prefix.index); |
| } |
| return -1; |
| } |
| |
| const uint16_t* ResXMLParser::getNamespacePrefix(size_t* outLen) const |
| { |
| int32_t id = getNamespacePrefixID(); |
| //printf("prefix=%d event=%p\n", id, mEventCode); |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| int32_t ResXMLParser::getNamespaceUriID() const |
| { |
| if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { |
| return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->uri.index); |
| } |
| return -1; |
| } |
| |
| const uint16_t* ResXMLParser::getNamespaceUri(size_t* outLen) const |
| { |
| int32_t id = getNamespaceUriID(); |
| //printf("uri=%d event=%p\n", id, mEventCode); |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| int32_t ResXMLParser::getElementNamespaceID() const |
| { |
| if (mEventCode == START_TAG) { |
| return dtohl(((const ResXMLTree_attrExt*)mCurExt)->ns.index); |
| } |
| if (mEventCode == END_TAG) { |
| return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->ns.index); |
| } |
| return -1; |
| } |
| |
| const uint16_t* ResXMLParser::getElementNamespace(size_t* outLen) const |
| { |
| int32_t id = getElementNamespaceID(); |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| int32_t ResXMLParser::getElementNameID() const |
| { |
| if (mEventCode == START_TAG) { |
| return dtohl(((const ResXMLTree_attrExt*)mCurExt)->name.index); |
| } |
| if (mEventCode == END_TAG) { |
| return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->name.index); |
| } |
| return -1; |
| } |
| |
| const uint16_t* ResXMLParser::getElementName(size_t* outLen) const |
| { |
| int32_t id = getElementNameID(); |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| size_t ResXMLParser::getAttributeCount() const |
| { |
| if (mEventCode == START_TAG) { |
| return dtohs(((const ResXMLTree_attrExt*)mCurExt)->attributeCount); |
| } |
| return 0; |
| } |
| |
| int32_t ResXMLParser::getAttributeNamespaceID(size_t idx) const |
| { |
| if (mEventCode == START_TAG) { |
| const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; |
| if (idx < dtohs(tag->attributeCount)) { |
| const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) |
| (((const uint8_t*)tag) |
| + dtohs(tag->attributeStart) |
| + (dtohs(tag->attributeSize)*idx)); |
| return dtohl(attr->ns.index); |
| } |
| } |
| return -2; |
| } |
| |
| const uint16_t* ResXMLParser::getAttributeNamespace(size_t idx, size_t* outLen) const |
| { |
| int32_t id = getAttributeNamespaceID(idx); |
| //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); |
| //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id)); |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| int32_t ResXMLParser::getAttributeNameID(size_t idx) const |
| { |
| if (mEventCode == START_TAG) { |
| const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; |
| if (idx < dtohs(tag->attributeCount)) { |
| const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) |
| (((const uint8_t*)tag) |
| + dtohs(tag->attributeStart) |
| + (dtohs(tag->attributeSize)*idx)); |
| return dtohl(attr->name.index); |
| } |
| } |
| return -1; |
| } |
| |
| const uint16_t* ResXMLParser::getAttributeName(size_t idx, size_t* outLen) const |
| { |
| int32_t id = getAttributeNameID(idx); |
| //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); |
| //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id)); |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| uint32_t ResXMLParser::getAttributeNameResID(size_t idx) const |
| { |
| int32_t id = getAttributeNameID(idx); |
| if (id >= 0 && (size_t)id < mTree.mNumResIds) { |
| return dtohl(mTree.mResIds[id]); |
| } |
| return 0; |
| } |
| |
| int32_t ResXMLParser::getAttributeValueStringID(size_t idx) const |
| { |
| if (mEventCode == START_TAG) { |
| const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; |
| if (idx < dtohs(tag->attributeCount)) { |
| const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) |
| (((const uint8_t*)tag) |
| + dtohs(tag->attributeStart) |
| + (dtohs(tag->attributeSize)*idx)); |
| return dtohl(attr->rawValue.index); |
| } |
| } |
| return -1; |
| } |
| |
| const uint16_t* ResXMLParser::getAttributeStringValue(size_t idx, size_t* outLen) const |
| { |
| int32_t id = getAttributeValueStringID(idx); |
| //XML_NOISY(printf("getAttributeValue 0x%x=0x%x\n", idx, id)); |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| int32_t ResXMLParser::getAttributeDataType(size_t idx) const |
| { |
| if (mEventCode == START_TAG) { |
| const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; |
| if (idx < dtohs(tag->attributeCount)) { |
| const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) |
| (((const uint8_t*)tag) |
| + dtohs(tag->attributeStart) |
| + (dtohs(tag->attributeSize)*idx)); |
| return attr->typedValue.dataType; |
| } |
| } |
| return Res_value::TYPE_NULL; |
| } |
| |
| int32_t ResXMLParser::getAttributeData(size_t idx) const |
| { |
| if (mEventCode == START_TAG) { |
| const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; |
| if (idx < dtohs(tag->attributeCount)) { |
| const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) |
| (((const uint8_t*)tag) |
| + dtohs(tag->attributeStart) |
| + (dtohs(tag->attributeSize)*idx)); |
| return dtohl(attr->typedValue.data); |
| } |
| } |
| return 0; |
| } |
| |
| ssize_t ResXMLParser::getAttributeValue(size_t idx, Res_value* outValue) const |
| { |
| if (mEventCode == START_TAG) { |
| const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; |
| if (idx < dtohs(tag->attributeCount)) { |
| const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) |
| (((const uint8_t*)tag) |
| + dtohs(tag->attributeStart) |
| + (dtohs(tag->attributeSize)*idx)); |
| outValue->copyFrom_dtoh(attr->typedValue); |
| return sizeof(Res_value); |
| } |
| } |
| return BAD_TYPE; |
| } |
| |
| ssize_t ResXMLParser::indexOfAttribute(const char* ns, const char* attr) const |
| { |
| String16 nsStr(ns != NULL ? ns : ""); |
| String16 attrStr(attr); |
| return indexOfAttribute(ns ? nsStr.string() : NULL, ns ? nsStr.size() : 0, |
| attrStr.string(), attrStr.size()); |
| } |
| |
| ssize_t ResXMLParser::indexOfAttribute(const char16_t* ns, size_t nsLen, |
| const char16_t* attr, size_t attrLen) const |
| { |
| if (mEventCode == START_TAG) { |
| const size_t N = getAttributeCount(); |
| for (size_t i=0; i<N; i++) { |
| size_t curNsLen, curAttrLen; |
| const char16_t* curNs = getAttributeNamespace(i, &curNsLen); |
| const char16_t* curAttr = getAttributeName(i, &curAttrLen); |
| //printf("%d: ns=%p attr=%p curNs=%p curAttr=%p\n", |
| // i, ns, attr, curNs, curAttr); |
| //printf(" --> attr=%s, curAttr=%s\n", |
| // String8(attr).string(), String8(curAttr).string()); |
| if (attr && curAttr && (strzcmp16(attr, attrLen, curAttr, curAttrLen) == 0)) { |
| if (ns == NULL) { |
| if (curNs == NULL) return i; |
| } else if (curNs != NULL) { |
| //printf(" --> ns=%s, curNs=%s\n", |
| // String8(ns).string(), String8(curNs).string()); |
| if (strzcmp16(ns, nsLen, curNs, curNsLen) == 0) return i; |
| } |
| } |
| } |
| } |
| |
| return NAME_NOT_FOUND; |
| } |
| |
| ssize_t ResXMLParser::indexOfID() const |
| { |
| if (mEventCode == START_TAG) { |
| const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->idIndex); |
| if (idx > 0) return (idx-1); |
| } |
| return NAME_NOT_FOUND; |
| } |
| |
| ssize_t ResXMLParser::indexOfClass() const |
| { |
| if (mEventCode == START_TAG) { |
| const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->classIndex); |
| if (idx > 0) return (idx-1); |
| } |
| return NAME_NOT_FOUND; |
| } |
| |
| ssize_t ResXMLParser::indexOfStyle() const |
| { |
| if (mEventCode == START_TAG) { |
| const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->styleIndex); |
| if (idx > 0) return (idx-1); |
| } |
| return NAME_NOT_FOUND; |
| } |
| |
| ResXMLParser::event_code_t ResXMLParser::nextNode() |
| { |
| if (mEventCode < 0) { |
| return mEventCode; |
| } |
| |
| do { |
| const ResXMLTree_node* next = (const ResXMLTree_node*) |
| (((const uint8_t*)mCurNode) + dtohl(mCurNode->header.size)); |
| //ALOGW("Next node: prev=%p, next=%p\n", mCurNode, next); |
| |
| if (((const uint8_t*)next) >= mTree.mDataEnd) { |
| mCurNode = NULL; |
| return (mEventCode=END_DOCUMENT); |
| } |
| |
| if (mTree.validateNode(next) != NO_ERROR) { |
| mCurNode = NULL; |
| return (mEventCode=BAD_DOCUMENT); |
| } |
| |
| mCurNode = next; |
| const uint16_t headerSize = dtohs(next->header.headerSize); |
| const uint32_t totalSize = dtohl(next->header.size); |
| mCurExt = ((const uint8_t*)next) + headerSize; |
| size_t minExtSize = 0; |
| event_code_t eventCode = (event_code_t)dtohs(next->header.type); |
| switch ((mEventCode=eventCode)) { |
| case RES_XML_START_NAMESPACE_TYPE: |
| case RES_XML_END_NAMESPACE_TYPE: |
| minExtSize = sizeof(ResXMLTree_namespaceExt); |
| break; |
| case RES_XML_START_ELEMENT_TYPE: |
| minExtSize = sizeof(ResXMLTree_attrExt); |
| break; |
| case RES_XML_END_ELEMENT_TYPE: |
| minExtSize = sizeof(ResXMLTree_endElementExt); |
| break; |
| case RES_XML_CDATA_TYPE: |
| minExtSize = sizeof(ResXMLTree_cdataExt); |
| break; |
| default: |
| ALOGW("Unknown XML block: header type %d in node at %d\n", |
| (int)dtohs(next->header.type), |
| (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader))); |
| continue; |
| } |
| |
| if ((totalSize-headerSize) < minExtSize) { |
| ALOGW("Bad XML block: header type 0x%x in node at 0x%x has size %d, need %d\n", |
| (int)dtohs(next->header.type), |
| (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader)), |
| (int)(totalSize-headerSize), (int)minExtSize); |
| return (mEventCode=BAD_DOCUMENT); |
| } |
| |
| //printf("CurNode=%p, CurExt=%p, headerSize=%d, minExtSize=%d\n", |
| // mCurNode, mCurExt, headerSize, minExtSize); |
| |
| return eventCode; |
| } while (true); |
| } |
| |
| void ResXMLParser::getPosition(ResXMLParser::ResXMLPosition* pos) const |
| { |
| pos->eventCode = mEventCode; |
| pos->curNode = mCurNode; |
| pos->curExt = mCurExt; |
| } |
| |
| void ResXMLParser::setPosition(const ResXMLParser::ResXMLPosition& pos) |
| { |
| mEventCode = pos.eventCode; |
| mCurNode = pos.curNode; |
| mCurExt = pos.curExt; |
| } |
| |
| |
| // -------------------------------------------------------------------- |
| |
| static volatile int32_t gCount = 0; |
| |
| ResXMLTree::ResXMLTree() |
| : ResXMLParser(*this) |
| , mError(NO_INIT), mOwnedData(NULL) |
| { |
| //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); |
| restart(); |
| } |
| |
| ResXMLTree::ResXMLTree(const void* data, size_t size, bool copyData) |
| : ResXMLParser(*this) |
| , mError(NO_INIT), mOwnedData(NULL) |
| { |
| //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); |
| setTo(data, size, copyData); |
| } |
| |
| ResXMLTree::~ResXMLTree() |
| { |
| //ALOGI("Destroying ResXMLTree in %p #%d\n", this, android_atomic_dec(&gCount)-1); |
| uninit(); |
| } |
| |
| status_t ResXMLTree::setTo(const void* data, size_t size, bool copyData) |
| { |
| uninit(); |
| mEventCode = START_DOCUMENT; |
| |
| if (!data || !size) { |
| return (mError=BAD_TYPE); |
| } |
| |
| if (copyData) { |
| mOwnedData = malloc(size); |
| if (mOwnedData == NULL) { |
| return (mError=NO_MEMORY); |
| } |
| memcpy(mOwnedData, data, size); |
| data = mOwnedData; |
| } |
| |
| mHeader = (const ResXMLTree_header*)data; |
| mSize = dtohl(mHeader->header.size); |
| if (dtohs(mHeader->header.headerSize) > mSize || mSize > size) { |
| ALOGW("Bad XML block: header size %d or total size %d is larger than data size %d\n", |
| (int)dtohs(mHeader->header.headerSize), |
| (int)dtohl(mHeader->header.size), (int)size); |
| mError = BAD_TYPE; |
| restart(); |
| return mError; |
| } |
| mDataEnd = ((const uint8_t*)mHeader) + mSize; |
| |
| mStrings.uninit(); |
| mRootNode = NULL; |
| mResIds = NULL; |
| mNumResIds = 0; |
| |
| // First look for a couple interesting chunks: the string block |
| // and first XML node. |
| const ResChunk_header* chunk = |
| (const ResChunk_header*)(((const uint8_t*)mHeader) + dtohs(mHeader->header.headerSize)); |
| const ResChunk_header* lastChunk = chunk; |
| while (((const uint8_t*)chunk) < (mDataEnd-sizeof(ResChunk_header)) && |
| ((const uint8_t*)chunk) < (mDataEnd-dtohl(chunk->size))) { |
| status_t err = validate_chunk(chunk, sizeof(ResChunk_header), mDataEnd, "XML"); |
| if (err != NO_ERROR) { |
| mError = err; |
| goto done; |
| } |
| const uint16_t type = dtohs(chunk->type); |
| const size_t size = dtohl(chunk->size); |
| XML_NOISY(printf("Scanning @ %p: type=0x%x, size=0x%x\n", |
| (void*)(((uint32_t)chunk)-((uint32_t)mHeader)), type, size)); |
| if (type == RES_STRING_POOL_TYPE) { |
| mStrings.setTo(chunk, size); |
| } else if (type == RES_XML_RESOURCE_MAP_TYPE) { |
| mResIds = (const uint32_t*) |
| (((const uint8_t*)chunk)+dtohs(chunk->headerSize)); |
| mNumResIds = (dtohl(chunk->size)-dtohs(chunk->headerSize))/sizeof(uint32_t); |
| } else if (type >= RES_XML_FIRST_CHUNK_TYPE |
| && type <= RES_XML_LAST_CHUNK_TYPE) { |
| if (validateNode((const ResXMLTree_node*)chunk) != NO_ERROR) { |
| mError = BAD_TYPE; |
| goto done; |
| } |
| mCurNode = (const ResXMLTree_node*)lastChunk; |
| if (nextNode() == BAD_DOCUMENT) { |
| mError = BAD_TYPE; |
| goto done; |
| } |
| mRootNode = mCurNode; |
| mRootExt = mCurExt; |
| mRootCode = mEventCode; |
| break; |
| } else { |
| XML_NOISY(printf("Skipping unknown chunk!\n")); |
| } |
| lastChunk = chunk; |
| chunk = (const ResChunk_header*) |
| (((const uint8_t*)chunk) + size); |
| } |
| |
| if (mRootNode == NULL) { |
| ALOGW("Bad XML block: no root element node found\n"); |
| mError = BAD_TYPE; |
| goto done; |
| } |
| |
| mError = mStrings.getError(); |
| |
| done: |
| restart(); |
| return mError; |
| } |
| |
| status_t ResXMLTree::getError() const |
| { |
| return mError; |
| } |
| |
| void ResXMLTree::uninit() |
| { |
| mError = NO_INIT; |
| mStrings.uninit(); |
| if (mOwnedData) { |
| free(mOwnedData); |
| mOwnedData = NULL; |
| } |
| restart(); |
| } |
| |
| status_t ResXMLTree::validateNode(const ResXMLTree_node* node) const |
| { |
| const uint16_t eventCode = dtohs(node->header.type); |
| |
| status_t err = validate_chunk( |
| &node->header, sizeof(ResXMLTree_node), |
| mDataEnd, "ResXMLTree_node"); |
| |
| if (err >= NO_ERROR) { |
| // Only perform additional validation on START nodes |
| if (eventCode != RES_XML_START_ELEMENT_TYPE) { |
| return NO_ERROR; |
| } |
| |
| const uint16_t headerSize = dtohs(node->header.headerSize); |
| const uint32_t size = dtohl(node->header.size); |
| const ResXMLTree_attrExt* attrExt = (const ResXMLTree_attrExt*) |
| (((const uint8_t*)node) + headerSize); |
| // check for sensical values pulled out of the stream so far... |
| if ((size >= headerSize + sizeof(ResXMLTree_attrExt)) |
| && ((void*)attrExt > (void*)node)) { |
| const size_t attrSize = ((size_t)dtohs(attrExt->attributeSize)) |
| * dtohs(attrExt->attributeCount); |
| if ((dtohs(attrExt->attributeStart)+attrSize) <= (size-headerSize)) { |
| return NO_ERROR; |
| } |
| ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", |
| (unsigned int)(dtohs(attrExt->attributeStart)+attrSize), |
| (unsigned int)(size-headerSize)); |
| } |
| else { |
| ALOGW("Bad XML start block: node header size 0x%x, size 0x%x\n", |
| (unsigned int)headerSize, (unsigned int)size); |
| } |
| return BAD_TYPE; |
| } |
| |
| return err; |
| |
| #if 0 |
| const bool isStart = dtohs(node->header.type) == RES_XML_START_ELEMENT_TYPE; |
| |
| const uint16_t headerSize = dtohs(node->header.headerSize); |
| const uint32_t size = dtohl(node->header.size); |
| |
| if (headerSize >= (isStart ? sizeof(ResXMLTree_attrNode) : sizeof(ResXMLTree_node))) { |
| if (size >= headerSize) { |
| if (((const uint8_t*)node) <= (mDataEnd-size)) { |
| if (!isStart) { |
| return NO_ERROR; |
| } |
| if ((((size_t)dtohs(node->attributeSize))*dtohs(node->attributeCount)) |
| <= (size-headerSize)) { |
| return NO_ERROR; |
| } |
| ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", |
| ((int)dtohs(node->attributeSize))*dtohs(node->attributeCount), |
| (int)(size-headerSize)); |
| return BAD_TYPE; |
| } |
| ALOGW("Bad XML block: node at 0x%x extends beyond data end 0x%x\n", |
| (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), (int)mSize); |
| return BAD_TYPE; |
| } |
| ALOGW("Bad XML block: node at 0x%x header size 0x%x smaller than total size 0x%x\n", |
| (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), |
| (int)headerSize, (int)size); |
| return BAD_TYPE; |
| } |
| ALOGW("Bad XML block: node at 0x%x header size 0x%x too small\n", |
| (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), |
| (int)headerSize); |
| return BAD_TYPE; |
| #endif |
| } |
| |
| // -------------------------------------------------------------------- |
| // -------------------------------------------------------------------- |
| // -------------------------------------------------------------------- |
| |
| void ResTable_config::copyFromDeviceNoSwap(const ResTable_config& o) { |
| const size_t size = dtohl(o.size); |
| if (size >= sizeof(ResTable_config)) { |
| *this = o; |
| } else { |
| memcpy(this, &o, size); |
| memset(((uint8_t*)this)+size, 0, sizeof(ResTable_config)-size); |
| } |
| } |
| |
| void ResTable_config::copyFromDtoH(const ResTable_config& o) { |
| copyFromDeviceNoSwap(o); |
| size = sizeof(ResTable_config); |
| mcc = dtohs(mcc); |
| mnc = dtohs(mnc); |
| density = dtohs(density); |
| screenWidth = dtohs(screenWidth); |
| screenHeight = dtohs(screenHeight); |
| sdkVersion = dtohs(sdkVersion); |
| minorVersion = dtohs(minorVersion); |
| smallestScreenWidthDp = dtohs(smallestScreenWidthDp); |
| screenWidthDp = dtohs(screenWidthDp); |
| screenHeightDp = dtohs(screenHeightDp); |
| } |
| |
| void ResTable_config::swapHtoD() { |
| size = htodl(size); |
| mcc = htods(mcc); |
| mnc = htods(mnc); |
| density = htods(density); |
| screenWidth = htods(screenWidth); |
| screenHeight = htods(screenHeight); |
| sdkVersion = htods(sdkVersion); |
| minorVersion = htods(minorVersion); |
| smallestScreenWidthDp = htods(smallestScreenWidthDp); |
| screenWidthDp = htods(screenWidthDp); |
| screenHeightDp = htods(screenHeightDp); |
| } |
| |
| int ResTable_config::compare(const ResTable_config& o) const { |
| int32_t diff = (int32_t)(imsi - o.imsi); |
| if (diff != 0) return diff; |
| diff = (int32_t)(locale - o.locale); |
| if (diff != 0) return diff; |
| diff = (int32_t)(screenType - o.screenType); |
| if (diff != 0) return diff; |
| diff = (int32_t)(input - o.input); |
| if (diff != 0) return diff; |
| diff = (int32_t)(screenSize - o.screenSize); |
| if (diff != 0) return diff; |
| diff = (int32_t)(version - o.version); |
| if (diff != 0) return diff; |
| diff = (int32_t)(screenLayout - o.screenLayout); |
| if (diff != 0) return diff; |
| diff = (int32_t)(uiMode - o.uiMode); |
| if (diff != 0) return diff; |
| diff = (int32_t)(smallestScreenWidthDp - o.smallestScreenWidthDp); |
| if (diff != 0) return diff; |
| diff = (int32_t)(screenSizeDp - o.screenSizeDp); |
| return (int)diff; |
| } |
| |
| int ResTable_config::compareLogical(const ResTable_config& o) const { |
| if (mcc != o.mcc) { |
| return mcc < o.mcc ? -1 : 1; |
| } |
| if (mnc != o.mnc) { |
| return mnc < o.mnc ? -1 : 1; |
| } |
| if (language[0] != o.language[0]) { |
| return language[0] < o.language[0] ? -1 : 1; |
| } |
| if (language[1] != o.language[1]) { |
| return language[1] < o.language[1] ? -1 : 1; |
| } |
| if (country[0] != o.country[0]) { |
| return country[0] < o.country[0] ? -1 : 1; |
| } |
| if (country[1] != o.country[1]) { |
| return country[1] < o.country[1] ? -1 : 1; |
| } |
| if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) { |
| return (screenLayout & MASK_LAYOUTDIR) < (o.screenLayout & MASK_LAYOUTDIR) ? -1 : 1; |
| } |
| if (smallestScreenWidthDp != o.smallestScreenWidthDp) { |
| return smallestScreenWidthDp < o.smallestScreenWidthDp ? -1 : 1; |
| } |
| if (screenWidthDp != o.screenWidthDp) { |
| return screenWidthDp < o.screenWidthDp ? -1 : 1; |
| } |
| if (screenHeightDp != o.screenHeightDp) { |
| return screenHeightDp < o.screenHeightDp ? -1 : 1; |
| } |
| if (screenWidth != o.screenWidth) { |
| return screenWidth < o.screenWidth ? -1 : 1; |
| } |
| if (screenHeight != o.screenHeight) { |
| return screenHeight < o.screenHeight ? -1 : 1; |
| } |
| if (density != o.density) { |
| return density < o.density ? -1 : 1; |
| } |
| if (orientation != o.orientation) { |
| return orientation < o.orientation ? -1 : 1; |
| } |
| if (touchscreen != o.touchscreen) { |
| return touchscreen < o.touchscreen ? -1 : 1; |
| } |
| if (input != o.input) { |
| return input < o.input ? -1 : 1; |
| } |
| if (screenLayout != o.screenLayout) { |
| return screenLayout < o.screenLayout ? -1 : 1; |
| } |
| if (uiMode != o.uiMode) { |
| return uiMode < o.uiMode ? -1 : 1; |
| } |
| if (version != o.version) { |
| return version < o.version ? -1 : 1; |
| } |
| return 0; |
| } |
| |
| int ResTable_config::diff(const ResTable_config& o) const { |
| int diffs = 0; |
| if (mcc != o.mcc) diffs |= CONFIG_MCC; |
| if (mnc != o.mnc) diffs |= CONFIG_MNC; |
| if (locale != o.locale) diffs |= CONFIG_LOCALE; |
| if (orientation != o.orientation) diffs |= CONFIG_ORIENTATION; |
| if (density != o.density) diffs |= CONFIG_DENSITY; |
| if (touchscreen != o.touchscreen) diffs |= CONFIG_TOUCHSCREEN; |
| if (((inputFlags^o.inputFlags)&(MASK_KEYSHIDDEN|MASK_NAVHIDDEN)) != 0) |
| diffs |= CONFIG_KEYBOARD_HIDDEN; |
| if (keyboard != o.keyboard) diffs |= CONFIG_KEYBOARD; |
| if (navigation != o.navigation) diffs |= CONFIG_NAVIGATION; |
| if (screenSize != o.screenSize) diffs |= CONFIG_SCREEN_SIZE; |
| if (version != o.version) diffs |= CONFIG_VERSION; |
| if ((screenLayout & MASK_LAYOUTDIR) != (o.screenLayout & MASK_LAYOUTDIR)) diffs |= CONFIG_LAYOUTDIR; |
| if ((screenLayout & ~MASK_LAYOUTDIR) != (o.screenLayout & ~MASK_LAYOUTDIR)) diffs |= CONFIG_SCREEN_LAYOUT; |
| if (uiMode != o.uiMode) diffs |= CONFIG_UI_MODE; |
| if (smallestScreenWidthDp != o.smallestScreenWidthDp) diffs |= CONFIG_SMALLEST_SCREEN_SIZE; |
| if (screenSizeDp != o.screenSizeDp) diffs |= CONFIG_SCREEN_SIZE; |
| return diffs; |
| } |
| |
| bool ResTable_config::isMoreSpecificThan(const ResTable_config& o) const { |
| // The order of the following tests defines the importance of one |
| // configuration parameter over another. Those tests first are more |
| // important, trumping any values in those following them. |
| if (imsi || o.imsi) { |
| if (mcc != o.mcc) { |
| if (!mcc) return false; |
| if (!o.mcc) return true; |
| } |
| |
| if (mnc != o.mnc) { |
| if (!mnc) return false; |
| if (!o.mnc) return true; |
| } |
| } |
| |
| if (locale || o.locale) { |
| if (language[0] != o.language[0]) { |
| if (!language[0]) return false; |
| if (!o.language[0]) return true; |
| } |
| |
| if (country[0] != o.country[0]) { |
| if (!country[0]) return false; |
| if (!o.country[0]) return true; |
| } |
| } |
| |
| if (screenLayout || o.screenLayout) { |
| if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0) { |
| if (!(screenLayout & MASK_LAYOUTDIR)) return false; |
| if (!(o.screenLayout & MASK_LAYOUTDIR)) return true; |
| } |
| } |
| |
| if (smallestScreenWidthDp || o.smallestScreenWidthDp) { |
| if (smallestScreenWidthDp != o.smallestScreenWidthDp) { |
| if (!smallestScreenWidthDp) return false; |
| if (!o.smallestScreenWidthDp) return true; |
| } |
| } |
| |
| if (screenSizeDp || o.screenSizeDp) { |
| if (screenWidthDp != o.screenWidthDp) { |
| if (!screenWidthDp) return false; |
| if (!o.screenWidthDp) return true; |
| } |
| |
| if (screenHeightDp != o.screenHeightDp) { |
| if (!screenHeightDp) return false; |
| if (!o.screenHeightDp) return true; |
| } |
| } |
| |
| if (screenLayout || o.screenLayout) { |
| if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0) { |
| if (!(screenLayout & MASK_SCREENSIZE)) return false; |
| if (!(o.screenLayout & MASK_SCREENSIZE)) return true; |
| } |
| if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0) { |
| if (!(screenLayout & MASK_SCREENLONG)) return false; |
| if (!(o.screenLayout & MASK_SCREENLONG)) return true; |
| } |
| } |
| |
| if (orientation != o.orientation) { |
| if (!orientation) return false; |
| if (!o.orientation) return true; |
| } |
| |
| if (uiMode || o.uiMode) { |
| if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0) { |
| if (!(uiMode & MASK_UI_MODE_TYPE)) return false; |
| if (!(o.uiMode & MASK_UI_MODE_TYPE)) return true; |
| } |
| if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0) { |
| if (!(uiMode & MASK_UI_MODE_NIGHT)) return false; |
| if (!(o.uiMode & MASK_UI_MODE_NIGHT)) return true; |
| } |
| } |
| |
| // density is never 'more specific' |
| // as the default just equals 160 |
| |
| if (touchscreen != o.touchscreen) { |
| if (!touchscreen) return false; |
| if (!o.touchscreen) return true; |
| } |
| |
| if (input || o.input) { |
| if (((inputFlags^o.inputFlags) & MASK_KEYSHIDDEN) != 0) { |
| if (!(inputFlags & MASK_KEYSHIDDEN)) return false; |
| if (!(o.inputFlags & MASK_KEYSHIDDEN)) return true; |
| } |
| |
| if (((inputFlags^o.inputFlags) & MASK_NAVHIDDEN) != 0) { |
| if (!(inputFlags & MASK_NAVHIDDEN)) return false; |
| if (!(o.inputFlags & MASK_NAVHIDDEN)) return true; |
| } |
| |
| if (keyboard != o.keyboard) { |
| if (!keyboard) return false; |
| if (!o.keyboard) return true; |
| } |
| |
| if (navigation != o.navigation) { |
| if (!navigation) return false; |
| if (!o.navigation) return true; |
| } |
| } |
| |
| if (screenSize || o.screenSize) { |
| if (screenWidth != o.screenWidth) { |
| if (!screenWidth) return false; |
| if (!o.screenWidth) return true; |
| } |
| |
| if (screenHeight != o.screenHeight) { |
| if (!screenHeight) return false; |
| if (!o.screenHeight) return true; |
| } |
| } |
| |
| if (version || o.version) { |
| if (sdkVersion != o.sdkVersion) { |
| if (!sdkVersion) return false; |
| if (!o.sdkVersion) return true; |
| } |
| |
| if (minorVersion != o.minorVersion) { |
| if (!minorVersion) return false; |
| if (!o.minorVersion) return true; |
| } |
| } |
| return false; |
| } |
| |
| bool ResTable_config::isBetterThan(const ResTable_config& o, |
| const ResTable_config* requested) const { |
| if (requested) { |
| if (imsi || o.imsi) { |
| if ((mcc != o.mcc) && requested->mcc) { |
| return (mcc); |
| } |
| |
| if ((mnc != o.mnc) && requested->mnc) { |
| return (mnc); |
| } |
| } |
| |
| if (locale || o.locale) { |
| if ((language[0] != o.language[0]) && requested->language[0]) { |
| return (language[0]); |
| } |
| |
| if ((country[0] != o.country[0]) && requested->country[0]) { |
| return (country[0]); |
| } |
| } |
| |
| if (screenLayout || o.screenLayout) { |
| if (((screenLayout^o.screenLayout) & MASK_LAYOUTDIR) != 0 |
| && (requested->screenLayout & MASK_LAYOUTDIR)) { |
| int myLayoutDir = screenLayout & MASK_LAYOUTDIR; |
| int oLayoutDir = o.screenLayout & MASK_LAYOUTDIR; |
| return (myLayoutDir > oLayoutDir); |
| } |
| } |
| |
| if (smallestScreenWidthDp || o.smallestScreenWidthDp) { |
| // The configuration closest to the actual size is best. |
| // We assume that larger configs have already been filtered |
| // out at this point. That means we just want the largest one. |
| if (smallestScreenWidthDp != o.smallestScreenWidthDp) { |
| return smallestScreenWidthDp > o.smallestScreenWidthDp; |
| } |
| } |
| |
| if (screenSizeDp || o.screenSizeDp) { |
| // "Better" is based on the sum of the difference between both |
| // width and height from the requested dimensions. We are |
| // assuming the invalid configs (with smaller dimens) have |
| // already been filtered. Note that if a particular dimension |
| // is unspecified, we will end up with a large value (the |
| // difference between 0 and the requested dimension), which is |
| // good since we will prefer a config that has specified a |
| // dimension value. |
| int myDelta = 0, otherDelta = 0; |
| if (requested->screenWidthDp) { |
| myDelta += requested->screenWidthDp - screenWidthDp; |
| otherDelta += requested->screenWidthDp - o.screenWidthDp; |
| } |
| if (requested->screenHeightDp) { |
| myDelta += requested->screenHeightDp - screenHeightDp; |
| otherDelta += requested->screenHeightDp - o.screenHeightDp; |
| } |
| //ALOGI("Comparing this %dx%d to other %dx%d in %dx%d: myDelta=%d otherDelta=%d", |
| // screenWidthDp, screenHeightDp, o.screenWidthDp, o.screenHeightDp, |
| // requested->screenWidthDp, requested->screenHeightDp, myDelta, otherDelta); |
| if (myDelta != otherDelta) { |
| return myDelta < otherDelta; |
| } |
| } |
| |
| if (screenLayout || o.screenLayout) { |
| if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0 |
| && (requested->screenLayout & MASK_SCREENSIZE)) { |
| // A little backwards compatibility here: undefined is |
| // considered equivalent to normal. But only if the |
| // requested size is at least normal; otherwise, small |
| // is better than the default. |
| int mySL = (screenLayout & MASK_SCREENSIZE); |
| int oSL = (o.screenLayout & MASK_SCREENSIZE); |
| int fixedMySL = mySL; |
| int fixedOSL = oSL; |
| if ((requested->screenLayout & MASK_SCREENSIZE) >= SCREENSIZE_NORMAL) { |
| if (fixedMySL == 0) fixedMySL = SCREENSIZE_NORMAL; |
| if (fixedOSL == 0) fixedOSL = SCREENSIZE_NORMAL; |
| } |
| // For screen size, the best match is the one that is |
| // closest to the requested screen size, but not over |
| // (the not over part is dealt with in match() below). |
| if (fixedMySL == fixedOSL) { |
| // If the two are the same, but 'this' is actually |
| // undefined, then the other is really a better match. |
| if (mySL == 0) return false; |
| return true; |
| } |
| if (fixedMySL != fixedOSL) { |
| return fixedMySL > fixedOSL; |
| } |
| } |
| if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0 |
| && (requested->screenLayout & MASK_SCREENLONG)) { |
| return (screenLayout & MASK_SCREENLONG); |
| } |
| } |
| |
| if ((orientation != o.orientation) && requested->orientation) { |
| return (orientation); |
| } |
| |
| if (uiMode || o.uiMode) { |
| if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0 |
| && (requested->uiMode & MASK_UI_MODE_TYPE)) { |
| return (uiMode & MASK_UI_MODE_TYPE); |
| } |
| if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0 |
| && (requested->uiMode & MASK_UI_MODE_NIGHT)) { |
| return (uiMode & MASK_UI_MODE_NIGHT); |
| } |
| } |
| |
| if (screenType || o.screenType) { |
| if (density != o.density) { |
| // density is tough. Any density is potentially useful |
| // because the system will scale it. Scaling down |
| // is generally better than scaling up. |
| // Default density counts as 160dpi (the system default) |
| // TODO - remove 160 constants |
| int h = (density?density:160); |
| int l = (o.density?o.density:160); |
| bool bImBigger = true; |
| if (l > h) { |
| int t = h; |
| h = l; |
| l = t; |
| bImBigger = false; |
| } |
| |
| int reqValue = (requested->density?requested->density:160); |
| if (reqValue >= h) { |
| // requested value higher than both l and h, give h |
| return bImBigger; |
| } |
| if (l >= reqValue) { |
| // requested value lower than both l and h, give l |
| return !bImBigger; |
| } |
| // saying that scaling down is 2x better than up |
| if (((2 * l) - reqValue) * h > reqValue * reqValue) { |
| return !bImBigger; |
| } else { |
| return bImBigger; |
| } |
| } |
| |
| if ((touchscreen != o.touchscreen) && requested->touchscreen) { |
| return (touchscreen); |
| } |
| } |
| |
| if (input || o.input) { |
| const int keysHidden = inputFlags & MASK_KEYSHIDDEN; |
| const int oKeysHidden = o.inputFlags & MASK_KEYSHIDDEN; |
| if (keysHidden != oKeysHidden) { |
| const int reqKeysHidden = |
| requested->inputFlags & MASK_KEYSHIDDEN; |
| if (reqKeysHidden) { |
| |
| if (!keysHidden) return false; |
| if (!oKeysHidden) return true; |
| // For compatibility, we count KEYSHIDDEN_NO as being |
| // the same as KEYSHIDDEN_SOFT. Here we disambiguate |
| // these by making an exact match more specific. |
| if (reqKeysHidden == keysHidden) return true; |
| if (reqKeysHidden == oKeysHidden) return false; |
| } |
| } |
| |
| const int navHidden = inputFlags & MASK_NAVHIDDEN; |
| const int oNavHidden = o.inputFlags & MASK_NAVHIDDEN; |
| if (navHidden != oNavHidden) { |
| const int reqNavHidden = |
| requested->inputFlags & MASK_NAVHIDDEN; |
| if (reqNavHidden) { |
| |
| if (!navHidden) return false; |
| if (!oNavHidden) return true; |
| } |
| } |
| |
| if ((keyboard != o.keyboard) && requested->keyboard) { |
| return (keyboard); |
| } |
| |
| if ((navigation != o.navigation) && requested->navigation) { |
| return (navigation); |
| } |
| } |
| |
| if (screenSize || o.screenSize) { |
| // "Better" is based on the sum of the difference between both |
| // width and height from the requested dimensions. We are |
| // assuming the invalid configs (with smaller sizes) have |
| // already been filtered. Note that if a particular dimension |
| // is unspecified, we will end up with a large value (the |
| // difference between 0 and the requested dimension), which is |
| // good since we will prefer a config that has specified a |
| // size value. |
| int myDelta = 0, otherDelta = 0; |
| if (requested->screenWidth) { |
| myDelta += requested->screenWidth - screenWidth; |
| otherDelta += requested->screenWidth - o.screenWidth; |
| } |
| if (requested->screenHeight) { |
| myDelta += requested->screenHeight - screenHeight; |
| otherDelta += requested->screenHeight - o.screenHeight; |
| } |
| if (myDelta != otherDelta) { |
| return myDelta < otherDelta; |
| } |
| } |
| |
| if (version || o.version) { |
| if ((sdkVersion != o.sdkVersion) && requested->sdkVersion) { |
| return (sdkVersion > o.sdkVersion); |
| } |
| |
| if ((minorVersion != o.minorVersion) && |
| requested->minorVersion) { |
| return (minorVersion); |
| } |
| } |
| |
| return false; |
| } |
| return isMoreSpecificThan(o); |
| } |
| |
| bool ResTable_config::match(const ResTable_config& settings) const { |
| if (imsi != 0) { |
| if (mcc != 0 && mcc != settings.mcc) { |
| return false; |
| } |
| if (mnc != 0 && mnc != settings.mnc) { |
| return false; |
| } |
| } |
| if (locale != 0) { |
| if (language[0] != 0 |
| && (language[0] != settings.language[0] |
| || language[1] != settings.language[1])) { |
| return false; |
| } |
| if (country[0] != 0 |
| && (country[0] != settings.country[0] |
| || country[1] != settings.country[1])) { |
| return false; |
| } |
| } |
| if (screenConfig != 0) { |
| const int layoutDir = screenLayout&MASK_LAYOUTDIR; |
| const int setLayoutDir = settings.screenLayout&MASK_LAYOUTDIR; |
| if (layoutDir != 0 && layoutDir != setLayoutDir) { |
| return false; |
| } |
| |
| const int screenSize = screenLayout&MASK_SCREENSIZE; |
| const int setScreenSize = settings.screenLayout&MASK_SCREENSIZE; |
| // Any screen sizes for larger screens than the setting do not |
| // match. |
| if (screenSize != 0 && screenSize > setScreenSize) { |
| return false; |
| } |
| |
| const int screenLong = screenLayout&MASK_SCREENLONG; |
| const int setScreenLong = settings.screenLayout&MASK_SCREENLONG; |
| if (screenLong != 0 && screenLong != setScreenLong) { |
| return false; |
| } |
| |
| const int uiModeType = uiMode&MASK_UI_MODE_TYPE; |
| const int setUiModeType = settings.uiMode&MASK_UI_MODE_TYPE; |
| if (uiModeType != 0 && uiModeType != setUiModeType) { |
| return false; |
| } |
| |
| const int uiModeNight = uiMode&MASK_UI_MODE_NIGHT; |
| const int setUiModeNight = settings.uiMode&MASK_UI_MODE_NIGHT; |
| if (uiModeNight != 0 && uiModeNight != setUiModeNight) { |
| return false; |
| } |
| |
| if (smallestScreenWidthDp != 0 |
| && smallestScreenWidthDp > settings.smallestScreenWidthDp) { |
| return false; |
| } |
| } |
| if (screenSizeDp != 0) { |
| if (screenWidthDp != 0 && screenWidthDp > settings.screenWidthDp) { |
| //ALOGI("Filtering out width %d in requested %d", screenWidthDp, settings.screenWidthDp); |
| return false; |
| } |
| if (screenHeightDp != 0 && screenHeightDp > settings.screenHeightDp) { |
| //ALOGI("Filtering out height %d in requested %d", screenHeightDp, settings.screenHeightDp); |
| return false; |
| } |
| } |
| if (screenType != 0) { |
| if (orientation != 0 && orientation != settings.orientation) { |
| return false; |
| } |
| // density always matches - we can scale it. See isBetterThan |
| if (touchscreen != 0 && touchscreen != settings.touchscreen) { |
| return false; |
| } |
| } |
| if (input != 0) { |
| const int keysHidden = inputFlags&MASK_KEYSHIDDEN; |
| const int setKeysHidden = settings.inputFlags&MASK_KEYSHIDDEN; |
| if (keysHidden != 0 && keysHidden != setKeysHidden) { |
| // For compatibility, we count a request for KEYSHIDDEN_NO as also |
| // matching the more recent KEYSHIDDEN_SOFT. Basically |
| // KEYSHIDDEN_NO means there is some kind of keyboard available. |
| //ALOGI("Matching keysHidden: have=%d, config=%d\n", keysHidden, setKeysHidden); |
| if (keysHidden != KEYSHIDDEN_NO || setKeysHidden != KEYSHIDDEN_SOFT) { |
| //ALOGI("No match!"); |
| return false; |
| } |
| } |
| const int navHidden = inputFlags&MASK_NAVHIDDEN; |
| const int setNavHidden = settings.inputFlags&MASK_NAVHIDDEN; |
| if (navHidden != 0 && navHidden != setNavHidden) { |
| return false; |
| } |
| if (keyboard != 0 && keyboard != settings.keyboard) { |
| return false; |
| } |
| if (navigation != 0 && navigation != settings.navigation) { |
| return false; |
| } |
| } |
| if (screenSize != 0) { |
| if (screenWidth != 0 && screenWidth > settings.screenWidth) { |
| return false; |
| } |
| if (screenHeight != 0 && screenHeight > settings.screenHeight) { |
| return false; |
| } |
| } |
| if (version != 0) { |
| if (sdkVersion != 0 && sdkVersion > settings.sdkVersion) { |
| return false; |
| } |
| if (minorVersion != 0 && minorVersion != settings.minorVersion) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| void ResTable_config::getLocale(char str[6]) const { |
| memset(str, 0, 6); |
| if (language[0]) { |
| str[0] = language[0]; |
| str[1] = language[1]; |
| if (country[0]) { |
| str[2] = '_'; |
| str[3] = country[0]; |
| str[4] = country[1]; |
| } |
| } |
| } |
| |
| String8 ResTable_config::toString() const { |
| String8 res; |
| |
| if (mcc != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.appendFormat("%dmcc", dtohs(mcc)); |
| } |
| if (mnc != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.appendFormat("%dmnc", dtohs(mnc)); |
| } |
| if (language[0] != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.append(language, 2); |
| } |
| if (country[0] != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.append(country, 2); |
| } |
| if ((screenLayout&MASK_LAYOUTDIR) != 0) { |
| if (res.size() > 0) res.append("-"); |
| switch (screenLayout&ResTable_config::MASK_LAYOUTDIR) { |
| case ResTable_config::LAYOUTDIR_LTR: |
| res.append("ldltr"); |
| break; |
| case ResTable_config::LAYOUTDIR_RTL: |
| res.append("ldrtl"); |
| break; |
| default: |
| res.appendFormat("layoutDir=%d", |
| dtohs(screenLayout&ResTable_config::MASK_LAYOUTDIR)); |
| break; |
| } |
| } |
| if (smallestScreenWidthDp != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.appendFormat("sw%ddp", dtohs(smallestScreenWidthDp)); |
| } |
| if (screenWidthDp != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.appendFormat("w%ddp", dtohs(screenWidthDp)); |
| } |
| if (screenHeightDp != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.appendFormat("h%ddp", dtohs(screenHeightDp)); |
| } |
| if ((screenLayout&MASK_SCREENSIZE) != SCREENSIZE_ANY) { |
| if (res.size() > 0) res.append("-"); |
| switch (screenLayout&ResTable_config::MASK_SCREENSIZE) { |
| case ResTable_config::SCREENSIZE_SMALL: |
| res.append("small"); |
| break; |
| case ResTable_config::SCREENSIZE_NORMAL: |
| res.append("normal"); |
| break; |
| case ResTable_config::SCREENSIZE_LARGE: |
| res.append("large"); |
| break; |
| case ResTable_config::SCREENSIZE_XLARGE: |
| res.append("xlarge"); |
| break; |
| default: |
| res.appendFormat("screenLayoutSize=%d", |
| dtohs(screenLayout&ResTable_config::MASK_SCREENSIZE)); |
| break; |
| } |
| } |
| if ((screenLayout&MASK_SCREENLONG) != 0) { |
| if (res.size() > 0) res.append("-"); |
| switch (screenLayout&ResTable_config::MASK_SCREENLONG) { |
| case ResTable_config::SCREENLONG_NO: |
| res.append("notlong"); |
| break; |
| case ResTable_config::SCREENLONG_YES: |
| res.append("long"); |
| break; |
| default: |
| res.appendFormat("screenLayoutLong=%d", |
| dtohs(screenLayout&ResTable_config::MASK_SCREENLONG)); |
| break; |
| } |
| } |
| if (orientation != ORIENTATION_ANY) { |
| if (res.size() > 0) res.append("-"); |
| switch (orientation) { |
| case ResTable_config::ORIENTATION_PORT: |
| res.append("port"); |
| break; |
| case ResTable_config::ORIENTATION_LAND: |
| res.append("land"); |
| break; |
| case ResTable_config::ORIENTATION_SQUARE: |
| res.append("square"); |
| break; |
| default: |
| res.appendFormat("orientation=%d", dtohs(orientation)); |
| break; |
| } |
| } |
| if ((uiMode&MASK_UI_MODE_TYPE) != UI_MODE_TYPE_ANY) { |
| if (res.size() > 0) res.append("-"); |
| switch (uiMode&ResTable_config::MASK_UI_MODE_TYPE) { |
| case ResTable_config::UI_MODE_TYPE_DESK: |
| res.append("desk"); |
| break; |
| case ResTable_config::UI_MODE_TYPE_CAR: |
| res.append("car"); |
| break; |
| case ResTable_config::UI_MODE_TYPE_TELEVISION: |
| res.append("television"); |
| break; |
| case ResTable_config::UI_MODE_TYPE_APPLIANCE: |
| res.append("appliance"); |
| break; |
| default: |
| res.appendFormat("uiModeType=%d", |
| dtohs(screenLayout&ResTable_config::MASK_UI_MODE_TYPE)); |
| break; |
| } |
| } |
| if ((uiMode&MASK_UI_MODE_NIGHT) != 0) { |
| if (res.size() > 0) res.append("-"); |
| switch (uiMode&ResTable_config::MASK_UI_MODE_NIGHT) { |
| case ResTable_config::UI_MODE_NIGHT_NO: |
| res.append("notnight"); |
| break; |
| case ResTable_config::UI_MODE_NIGHT_YES: |
| res.append("night"); |
| break; |
| default: |
| res.appendFormat("uiModeNight=%d", |
| dtohs(uiMode&MASK_UI_MODE_NIGHT)); |
| break; |
| } |
| } |
| if (density != DENSITY_DEFAULT) { |
| if (res.size() > 0) res.append("-"); |
| switch (density) { |
| case ResTable_config::DENSITY_LOW: |
| res.append("ldpi"); |
| break; |
| case ResTable_config::DENSITY_MEDIUM: |
| res.append("mdpi"); |
| break; |
| case ResTable_config::DENSITY_TV: |
| res.append("tvdpi"); |
| break; |
| case ResTable_config::DENSITY_HIGH: |
| res.append("hdpi"); |
| break; |
| case ResTable_config::DENSITY_XHIGH: |
| res.append("xhdpi"); |
| break; |
| case ResTable_config::DENSITY_XXHIGH: |
| res.append("xxhdpi"); |
| break; |
| case ResTable_config::DENSITY_NONE: |
| res.append("nodpi"); |
| break; |
| default: |
| res.appendFormat("%ddpi", dtohs(density)); |
| break; |
| } |
| } |
| if (touchscreen != TOUCHSCREEN_ANY) { |
| if (res.size() > 0) res.append("-"); |
| switch (touchscreen) { |
| case ResTable_config::TOUCHSCREEN_NOTOUCH: |
| res.append("notouch"); |
| break; |
| case ResTable_config::TOUCHSCREEN_FINGER: |
| res.append("finger"); |
| break; |
| case ResTable_config::TOUCHSCREEN_STYLUS: |
| res.append("stylus"); |
| break; |
| default: |
| res.appendFormat("touchscreen=%d", dtohs(touchscreen)); |
| break; |
| } |
| } |
| if (keyboard != KEYBOARD_ANY) { |
| if (res.size() > 0) res.append("-"); |
| switch (keyboard) { |
| case ResTable_config::KEYBOARD_NOKEYS: |
| res.append("nokeys"); |
| break; |
| case ResTable_config::KEYBOARD_QWERTY: |
| res.append("qwerty"); |
| break; |
| case ResTable_config::KEYBOARD_12KEY: |
| res.append("12key"); |
| break; |
| default: |
| res.appendFormat("keyboard=%d", dtohs(keyboard)); |
| break; |
| } |
| } |
| if ((inputFlags&MASK_KEYSHIDDEN) != 0) { |
| if (res.size() > 0) res.append("-"); |
| switch (inputFlags&MASK_KEYSHIDDEN) { |
| case ResTable_config::KEYSHIDDEN_NO: |
| res.append("keysexposed"); |
| break; |
| case ResTable_config::KEYSHIDDEN_YES: |
| res.append("keyshidden"); |
| break; |
| case ResTable_config::KEYSHIDDEN_SOFT: |
| res.append("keyssoft"); |
| break; |
| } |
| } |
| if (navigation != NAVIGATION_ANY) { |
| if (res.size() > 0) res.append("-"); |
| switch (navigation) { |
| case ResTable_config::NAVIGATION_NONAV: |
| res.append("nonav"); |
| break; |
| case ResTable_config::NAVIGATION_DPAD: |
| res.append("dpad"); |
| break; |
| case ResTable_config::NAVIGATION_TRACKBALL: |
| res.append("trackball"); |
| break; |
| case ResTable_config::NAVIGATION_WHEEL: |
| res.append("wheel"); |
| break; |
| default: |
| res.appendFormat("navigation=%d", dtohs(navigation)); |
| break; |
| } |
| } |
| if ((inputFlags&MASK_NAVHIDDEN) != 0) { |
| if (res.size() > 0) res.append("-"); |
| switch (inputFlags&MASK_NAVHIDDEN) { |
| case ResTable_config::NAVHIDDEN_NO: |
| res.append("navsexposed"); |
| break; |
| case ResTable_config::NAVHIDDEN_YES: |
| res.append("navhidden"); |
| break; |
| default: |
| res.appendFormat("inputFlagsNavHidden=%d", |
| dtohs(inputFlags&MASK_NAVHIDDEN)); |
| break; |
| } |
| } |
| if (screenSize != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.appendFormat("%dx%d", dtohs(screenWidth), dtohs(screenHeight)); |
| } |
| if (version != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.appendFormat("v%d", dtohs(sdkVersion)); |
| if (minorVersion != 0) { |
| res.appendFormat(".%d", dtohs(minorVersion)); |
| } |
| } |
| |
| return res; |
| } |
| |
| // -------------------------------------------------------------------- |
| // -------------------------------------------------------------------- |
| // -------------------------------------------------------------------- |
| |
| struct ResTable::Header |
| { |
| Header(ResTable* _owner) : owner(_owner), ownedData(NULL), header(NULL), |
| resourceIDMap(NULL), resourceIDMapSize(0) { } |
| |
| ~Header() |
| { |
| free(resourceIDMap); |
| } |
| |
| ResTable* const owner; |
| void* ownedData; |
| const ResTable_header* header; |
| size_t size; |
| const uint8_t* dataEnd; |
| size_t index; |
| void* cookie; |
| |
| ResStringPool values; |
| uint32_t* resourceIDMap; |
| size_t resourceIDMapSize; |
| }; |
| |
| struct ResTable::Type |
| { |
| Type(const Header* _header, const Package* _package, size_t count) |
| : header(_header), package(_package), entryCount(count), |
| typeSpec(NULL), typeSpecFlags(NULL) { } |
| const Header* const header; |
| const Package* const package; |
| const size_t entryCount; |
| const ResTable_typeSpec* typeSpec; |
| const uint32_t* typeSpecFlags; |
| Vector<const ResTable_type*> configs; |
| }; |
| |
| struct ResTable::Package |
| { |
| Package(ResTable* _owner, const Header* _header, const ResTable_package* _package) |
| : owner(_owner), header(_header), package(_package) { } |
| ~Package() |
| { |
| size_t i = types.size(); |
| while (i > 0) { |
| i--; |
| delete types[i]; |
| } |
| } |
| |
| ResTable* const owner; |
| const Header* const header; |
| const ResTable_package* const package; |
| Vector<Type*> types; |
| |
| ResStringPool typeStrings; |
| ResStringPool keyStrings; |
| |
| const Type* getType(size_t idx) const { |
| return idx < types.size() ? types[idx] : NULL; |
| } |
| }; |
| |
| // A group of objects describing a particular resource package. |
| // The first in 'package' is always the root object (from the resource |
| // table that defined the package); the ones after are skins on top of it. |
| struct ResTable::PackageGroup |
| { |
| PackageGroup(ResTable* _owner, const String16& _name, uint32_t _id) |
| : owner(_owner), name(_name), id(_id), typeCount(0), bags(NULL) { } |
| ~PackageGroup() { |
| clearBagCache(); |
| const size_t N = packages.size(); |
| for (size_t i=0; i<N; i++) { |
| Package* pkg = packages[i]; |
| if (pkg->owner == owner) { |
| delete pkg; |
| } |
| } |
| } |
| |
| void clearBagCache() { |
| if (bags) { |
| TABLE_NOISY(printf("bags=%p\n", bags)); |
| Package* pkg = packages[0]; |
| TABLE_NOISY(printf("typeCount=%x\n", typeCount)); |
| for (size_t i=0; i<typeCount; i++) { |
| TABLE_NOISY(printf("type=%d\n", i)); |
| const Type* type = pkg->getType(i); |
| if (type != NULL) { |
| bag_set** typeBags = bags[i]; |
| TABLE_NOISY(printf("typeBags=%p\n", typeBags)); |
| if (typeBags) { |
| TABLE_NOISY(printf("type->entryCount=%x\n", type->entryCount)); |
| const size_t N = type->entryCount; |
| for (size_t j=0; j<N; j++) { |
| if (typeBags[j] && typeBags[j] != (bag_set*)0xFFFFFFFF) |
| free(typeBags[j]); |
| } |
| free(typeBags); |
| } |
| } |
| } |
| free(bags); |
| bags = NULL; |
| } |
| } |
| |
| ResTable* const owner; |
| String16 const name; |
| uint32_t const id; |
| Vector<Package*> packages; |
| |
| // This is for finding typeStrings and other common package stuff. |
| Package* basePackage; |
| |
| // For quick access. |
| size_t typeCount; |
| |
| // Computed attribute bags, first indexed by the type and second |
| // by the entry in that type. |
| bag_set*** bags; |
| }; |
| |
| struct ResTable::bag_set |
| { |
| size_t numAttrs; // number in array |
| size_t availAttrs; // total space in array |
| uint32_t typeSpecFlags; |
| // Followed by 'numAttr' bag_entry structures. |
| }; |
| |
| ResTable::Theme::Theme(const ResTable& table) |
| : mTable(table) |
| { |
| memset(mPackages, 0, sizeof(mPackages)); |
| } |
| |
| ResTable::Theme::~Theme() |
| { |
| for (size_t i=0; i<Res_MAXPACKAGE; i++) { |
| package_info* pi = mPackages[i]; |
| if (pi != NULL) { |
| free_package(pi); |
| } |
| } |
| } |
| |
| void ResTable::Theme::free_package(package_info* pi) |
| { |
| for (size_t j=0; j<pi->numTypes; j++) { |
| theme_entry* te = pi->types[j].entries; |
| if (te != NULL) { |
| free(te); |
| } |
| } |
| free(pi); |
| } |
| |
| ResTable::Theme::package_info* ResTable::Theme::copy_package(package_info* pi) |
| { |
| package_info* newpi = (package_info*)malloc( |
| sizeof(package_info) + (pi->numTypes*sizeof(type_info))); |
| newpi->numTypes = pi->numTypes; |
| for (size_t j=0; j<newpi->numTypes; j++) { |
| size_t cnt = pi->types[j].numEntries; |
| newpi->types[j].numEntries = cnt; |
| theme_entry* te = pi->types[j].entries; |
| if (te != NULL) { |
| theme_entry* newte = (theme_entry*)malloc(cnt*sizeof(theme_entry)); |
| newpi->types[j].entries = newte; |
| memcpy(newte, te, cnt*sizeof(theme_entry)); |
| } else { |
| newpi->types[j].entries = NULL; |
| } |
| } |
| return newpi; |
| } |
| |
| status_t ResTable::Theme::applyStyle(uint32_t resID, bool force) |
| { |
| const bag_entry* bag; |
| uint32_t bagTypeSpecFlags = 0; |
| mTable.lock(); |
| const ssize_t N = mTable.getBagLocked(resID, &bag, &bagTypeSpecFlags); |
| TABLE_NOISY(ALOGV("Applying style 0x%08x to theme %p, count=%d", resID, this, N)); |
| if (N < 0) { |
| mTable.unlock(); |
| return N; |
| } |
| |
| uint32_t curPackage = 0xffffffff; |
| ssize_t curPackageIndex = 0; |
| package_info* curPI = NULL; |
| uint32_t curType = 0xffffffff; |
| size_t numEntries = 0; |
| theme_entry* curEntries = NULL; |
| |
| const bag_entry* end = bag + N; |
| while (bag < end) { |
| const uint32_t attrRes = bag->map.name.ident; |
| const uint32_t p = Res_GETPACKAGE(attrRes); |
| const uint32_t t = Res_GETTYPE(attrRes); |
| const uint32_t e = Res_GETENTRY(attrRes); |
| |
| if (curPackage != p) { |
| const ssize_t pidx = mTable.getResourcePackageIndex(attrRes); |
| if (pidx < 0) { |
| ALOGE("Style contains key with bad package: 0x%08x\n", attrRes); |
| bag++; |
| continue; |
| } |
| curPackage = p; |
| curPackageIndex = pidx; |
| curPI = mPackages[pidx]; |
| if (curPI == NULL) { |
| PackageGroup* const grp = mTable.mPackageGroups[pidx]; |
| int cnt = grp->typeCount; |
| curPI = (package_info*)malloc( |
| sizeof(package_info) + (cnt*sizeof(type_info))); |
| curPI->numTypes = cnt; |
| memset(curPI->types, 0, cnt*sizeof(type_info)); |
| mPackages[pidx] = curPI; |
| } |
| curType = 0xffffffff; |
| } |
| if (curType != t) { |
| if (t >= curPI->numTypes) { |
| ALOGE("Style contains key with bad type: 0x%08x\n", attrRes); |
| bag++; |
| continue; |
| } |
| curType = t; |
| curEntries = curPI->types[t].entries; |
| if (curEntries == NULL) { |
| PackageGroup* const grp = mTable.mPackageGroups[curPackageIndex]; |
| const Type* type = grp->packages[0]->getType(t); |
| int cnt = type != NULL ? type->entryCount : 0; |
| curEntries = (theme_entry*)malloc(cnt*sizeof(theme_entry)); |
| memset(curEntries, Res_value::TYPE_NULL, cnt*sizeof(theme_entry)); |
| curPI->types[t].numEntries = cnt; |
| curPI->types[t].entries = curEntries; |
| } |
| numEntries = curPI->types[t].numEntries; |
| } |
| if (e >= numEntries) { |
| ALOGE("Style contains key with bad entry: 0x%08x\n", attrRes); |
| bag++; |
| continue; |
| } |
| theme_entry* curEntry = curEntries + e; |
| TABLE_NOISY(ALOGV("Attr 0x%08x: type=0x%x, data=0x%08x; curType=0x%x", |
| attrRes, bag->map.value.dataType, bag->map.value.data, |
| curEntry->value.dataType)); |
| if (force || curEntry->value.dataType == Res_value::TYPE_NULL) { |
| curEntry->stringBlock = bag->stringBlock; |
| curEntry->typeSpecFlags |= bagTypeSpecFlags; |
| curEntry->value = bag->map.value; |
| } |
| |
| bag++; |
| } |
| |
| mTable.unlock(); |
| |
| //ALOGI("Applying style 0x%08x (force=%d) theme %p...\n", resID, force, this); |
| //dumpToLog(); |
| |
| return NO_ERROR; |
| } |
| |
| status_t ResTable::Theme::setTo(const Theme& other) |
| { |
| //ALOGI("Setting theme %p from theme %p...\n", this, &other); |
| //dumpToLog(); |
| //other.dumpToLog(); |
| |
| if (&mTable == &other.mTable) { |
| for (size_t i=0; i<Res_MAXPACKAGE; i++) { |
| if (mPackages[i] != NULL) { |
| free_package(mPackages[i]); |
| } |
| if (other.mPackages[i] != NULL) { |
| mPackages[i] = copy_package(other.mPackages[i]); |
| } else { |
| mPackages[i] = NULL; |
| } |
| } |
| } else { |
| // @todo: need to really implement this, not just copy |
| // the system package (which is still wrong because it isn't |
| // fixing up resource references). |
| for (size_t i=0; i<Res_MAXPACKAGE; i++) { |
| if (mPackages[i] != NULL) { |
| free_package(mPackages[i]); |
| } |
| if (i == 0 && other.mPackages[i] != NULL) { |
| mPackages[i] = copy_package(other.mPackages[i]); |
| } else { |
| mPackages[i] = NULL; |
| } |
| } |
| } |
| |
| //ALOGI("Final theme:"); |
| //dumpToLog(); |
| |
| return NO_ERROR; |
| } |
| |
| ssize_t ResTable::Theme::getAttribute(uint32_t resID, Res_value* outValue, |
| uint32_t* outTypeSpecFlags) const |
| { |
| int cnt = 20; |
| |
| if (outTypeSpecFlags != NULL) *outTypeSpecFlags = 0; |
| |
| do { |
| const ssize_t p = mTable.getResourcePackageIndex(resID); |
| const uint32_t t = Res_GETTYPE(resID); |
| const uint32_t e = Res_GETENTRY(resID); |
| |
| TABLE_THEME(ALOGI("Looking up attr 0x%08x in theme %p", resID, this)); |
| |
| if (p >= 0) { |
| const package_info* const pi = mPackages[p]; |
| TABLE_THEME(ALOGI("Found package: %p", pi)); |
| if (pi != NULL) { |
| TABLE_THEME(ALOGI("Desired type index is %ld in avail %d", t, pi->numTypes)); |
| if (t < pi->numTypes) { |
| const type_info& ti = pi->types[t]; |
| TABLE_THEME(ALOGI("Desired entry index is %ld in avail %d", e, ti.numEntries)); |
| if (e < ti.numEntries) { |
| const theme_entry& te = ti.entries[e]; |
| if (outTypeSpecFlags != NULL) { |
| *outTypeSpecFlags |= te.typeSpecFlags; |
| } |
| TABLE_THEME(ALOGI("Theme value: type=0x%x, data=0x%08x", |
| te.value.dataType, te.value.data)); |
| const uint8_t type = te.value.dataType; |
| if (type == Res_value::TYPE_ATTRIBUTE) { |
| if (cnt > 0) { |
| cnt--; |
| resID = te.value.data; |
| continue; |
| } |
| ALOGW("Too many attribute references, stopped at: 0x%08x\n", resID); |
| return BAD_INDEX; |
| } else if (type != Res_value::TYPE_NULL) { |
| *outValue = te.value; |
| return te.stringBlock; |
| } |
| return BAD_INDEX; |
| } |
| } |
| } |
| } |
| break; |
| |
| } while (true); |
| |
| return BAD_INDEX; |
| } |
| |
| ssize_t ResTable::Theme::resolveAttributeReference(Res_value* inOutValue, |
| ssize_t blockIndex, uint32_t* outLastRef, |
| uint32_t* inoutTypeSpecFlags, ResTable_config* inoutConfig) const |
| { |
| //printf("Resolving type=0x%x\n", inOutValue->dataType); |
| if (inOutValue->dataType == Res_value::TYPE_ATTRIBUTE) { |
| uint32_t newTypeSpecFlags; |
| blockIndex = getAttribute(inOutValue->data, inOutValue, &newTypeSpecFlags); |
| TABLE_THEME(ALOGI("Resolving attr reference: blockIndex=%d, type=0x%x, data=%p\n", |
| (int)blockIndex, (int)inOutValue->dataType, (void*)inOutValue->data)); |
| if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newTypeSpecFlags; |
| //printf("Retrieved attribute new type=0x%x\n", inOutValue->dataType); |
| if (blockIndex < 0) { |
| return blockIndex; |
| } |
| } |
| return mTable.resolveReference(inOutValue, blockIndex, outLastRef, |
| inoutTypeSpecFlags, inoutConfig); |
| } |
| |
| void ResTable::Theme::dumpToLog() const |
| { |
| ALOGI("Theme %p:\n", this); |
| for (size_t i=0; i<Res_MAXPACKAGE; i++) { |
| package_info* pi = mPackages[i]; |
| if (pi == NULL) continue; |
| |
| ALOGI(" Package #0x%02x:\n", (int)(i+1)); |
| for (size_t j=0; j<pi->numTypes; j++) { |
| type_info& ti = pi->types[j]; |
| if (ti.numEntries == 0) continue; |
| |
| ALOGI(" Type #0x%02x:\n", (int)(j+1)); |
| for (size_t k=0; k<ti.numEntries; k++) { |
| theme_entry& te = ti.entries[k]; |
| if (te.value.dataType == Res_value::TYPE_NULL) continue; |
| ALOGI(" 0x%08x: t=0x%x, d=0x%08x (block=%d)\n", |
| (int)Res_MAKEID(i, j, k), |
| te.value.dataType, (int)te.value.data, (int)te.stringBlock); |
| } |
| } |
| } |
| } |
| |
| ResTable::ResTable() |
| : mError(NO_INIT) |
| { |
| memset(&mParams, 0, sizeof(mParams)); |
| memset(mPackageMap, 0, sizeof(mPackageMap)); |
| //ALOGI("Creating ResTable %p\n", this); |
| } |
| |
| ResTable::ResTable(const void* data, size_t size, void* cookie, bool copyData) |
| : mError(NO_INIT) |
| { |
| memset(&mParams, 0, sizeof(mParams)); |
| memset(mPackageMap, 0, sizeof(mPackageMap)); |
| add(data, size, cookie, copyData); |
| LOG_FATAL_IF(mError != NO_ERROR, "Error parsing resource table"); |
| //ALOGI("Creating ResTable %p\n", this); |
| } |
| |
| ResTable::~ResTable() |
| { |
| //ALOGI("Destroying ResTable in %p\n", this); |
| uninit(); |
| } |
| |
| inline ssize_t ResTable::getResourcePackageIndex(uint32_t resID) const |
| { |
| return ((ssize_t)mPackageMap[Res_GETPACKAGE(resID)+1])-1; |
| } |
| |
| status_t ResTable::add(const void* data, size_t size, void* cookie, bool copyData, |
| const void* idmap) |
| { |
| return add(data, size, cookie, NULL, copyData, reinterpret_cast<const Asset*>(idmap)); |
| } |
| |
| status_t ResTable::add(Asset* asset, void* cookie, bool copyData, const void* idmap) |
| { |
| const void* data = asset->getBuffer(true); |
| if (data == NULL) { |
| ALOGW("Unable to get buffer of resource asset file"); |
| return UNKNOWN_ERROR; |
| } |
| size_t size = (size_t)asset->getLength(); |
| return add(data, size, cookie, asset, copyData, reinterpret_cast<const Asset*>(idmap)); |
| } |
| |
| status_t ResTable::add(ResTable* src) |
| { |
| mError = src->mError; |
| |
| for (size_t i=0; i<src->mHeaders.size(); i++) { |
| mHeaders.add(src->mHeaders[i]); |
| } |
| |
| for (size_t i=0; i<src->mPackageGroups.size(); i++) { |
| PackageGroup* srcPg = src->mPackageGroups[i]; |
| PackageGroup* pg = new PackageGroup(this, srcPg->name, srcPg->id); |
| for (size_t j=0; j<srcPg->packages.size(); j++) { |
| pg->packages.add(srcPg->packages[j]); |
| } |
| pg->basePackage = srcPg->basePackage; |
| pg->typeCount = srcPg->typeCount; |
| mPackageGroups.add(pg); |
| } |
| |
| memcpy(mPackageMap, src->mPackageMap, sizeof(mPackageMap)); |
| |
| return mError; |
| } |
| |
| status_t ResTable::add(const void* data, size_t size, void* cookie, |
| Asset* asset, bool copyData, const Asset* idmap) |
| { |
| if (!data) return NO_ERROR; |
| Header* header = new Header(this); |
| header->index = mHeaders.size(); |
| header->cookie = cookie; |
| if (idmap != NULL) { |
| const size_t idmap_size = idmap->getLength(); |
| const void* idmap_data = const_cast<Asset*>(idmap)->getBuffer(true); |
| header->resourceIDMap = (uint32_t*)malloc(idmap_size); |
| if (header->resourceIDMap == NULL) { |
| delete header; |
| return (mError = NO_MEMORY); |
| } |
| memcpy((void*)header->resourceIDMap, idmap_data, idmap_size); |
| header->resourceIDMapSize = idmap_size; |
| } |
| mHeaders.add(header); |
| |
| const bool notDeviceEndian = htods(0xf0) != 0xf0; |
| |
| LOAD_TABLE_NOISY( |
| ALOGV("Adding resources to ResTable: data=%p, size=0x%x, cookie=%p, asset=%p, copy=%d " |
| "idmap=%p\n", data, size, cookie, asset, copyData, idmap)); |
| |
| if (copyData || notDeviceEndian) { |
| header->ownedData = malloc(size); |
| if (header->ownedData == NULL) { |
| return (mError=NO_MEMORY); |
| } |
| memcpy(header->ownedData, data, size); |
| data = header->ownedData; |
| } |
| |
| header->header = (const ResTable_header*)data; |
| header->size = dtohl(header->header->header.size); |
| //ALOGI("Got size 0x%x, again size 0x%x, raw size 0x%x\n", header->size, |
| // dtohl(header->header->header.size), header->header->header.size); |
| LOAD_TABLE_NOISY(ALOGV("Loading ResTable @%p:\n", header->header)); |
| LOAD_TABLE_NOISY(printHexData(2, header->header, header->size < 256 ? header->size : 256, |
| 16, 16, 0, false, printToLogFunc)); |
| if (dtohs(header->header->header.headerSize) > header->size |
| || header->size > size) { |
| ALOGW("Bad resource table: header size 0x%x or total size 0x%x is larger than data size 0x%x\n", |
| (int)dtohs(header->header->header.headerSize), |
| (int)header->size, (int)size); |
| return (mError=BAD_TYPE); |
| } |
| if (((dtohs(header->header->header.headerSize)|header->size)&0x3) != 0) { |
| ALOGW("Bad resource table: header size 0x%x or total size 0x%x is not on an integer boundary\n", |
| (int)dtohs(header->header->header.headerSize), |
| (int)header->size); |
| return (mError=BAD_TYPE); |
| } |
| header->dataEnd = ((const uint8_t*)header->header) + header->size; |
| |
| // Iterate through all chunks. |
| size_t curPackage = 0; |
| |
| const ResChunk_header* chunk = |
| (const ResChunk_header*)(((const uint8_t*)header->header) |
| + dtohs(header->header->header.headerSize)); |
| while (((const uint8_t*)chunk) <= (header->dataEnd-sizeof(ResChunk_header)) && |
| ((const uint8_t*)chunk) <= (header->dataEnd-dtohl(chunk->size))) { |
| status_t err = validate_chunk(chunk, sizeof(ResChunk_header), header->dataEnd, "ResTable"); |
| if (err != NO_ERROR) { |
| return (mError=err); |
| } |
| TABLE_NOISY(ALOGV("Chunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", |
| dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), |
| (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); |
| const size_t csize = dtohl(chunk->size); |
| const uint16_t ctype = dtohs(chunk->type); |
| if (ctype == RES_STRING_POOL_TYPE) { |
| if (header->values.getError() != NO_ERROR) { |
| // Only use the first string chunk; ignore any others that |
| // may appear. |
| status_t err = header->values.setTo(chunk, csize); |
| if (err != NO_ERROR) { |
| return (mError=err); |
| } |
| } else { |
| ALOGW("Multiple string chunks found in resource table."); |
| } |
| } else if (ctype == RES_TABLE_PACKAGE_TYPE) { |
| if (curPackage >= dtohl(header->header->packageCount)) { |
| ALOGW("More package chunks were found than the %d declared in the header.", |
| dtohl(header->header->packageCount)); |
| return (mError=BAD_TYPE); |
| } |
| uint32_t idmap_id = 0; |
| if (idmap != NULL) { |
| uint32_t tmp; |
| if (getIdmapPackageId(header->resourceIDMap, |
| header->resourceIDMapSize, |
| &tmp) == NO_ERROR) { |
| idmap_id = tmp; |
| } |
| } |
| if (parsePackage((ResTable_package*)chunk, header, idmap_id) != NO_ERROR) { |
| return mError; |
| } |
| curPackage++; |
| } else { |
| ALOGW("Unknown chunk type %p in table at %p.\n", |
| (void*)(int)(ctype), |
| (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header))); |
| } |
| chunk = (const ResChunk_header*) |
| (((const uint8_t*)chunk) + csize); |
| } |
| |
| if (curPackage < dtohl(header->header->packageCount)) { |
| ALOGW("Fewer package chunks (%d) were found than the %d declared in the header.", |
| (int)curPackage, dtohl(header->header->packageCount)); |
| return (mError=BAD_TYPE); |
| } |
| mError = header->values.getError(); |
| if (mError != NO_ERROR) { |
| ALOGW("No string values found in resource table!"); |
| } |
| |
| TABLE_NOISY(ALOGV("Returning from add with mError=%d\n", mError)); |
| return mError; |
| } |
| |
| status_t ResTable::getError() const |
| { |
| return mError; |
| } |
| |
| void ResTable::uninit() |
| { |
| mError = NO_INIT; |
| size_t N = mPackageGroups.size(); |
| for (size_t i=0; i<N; i++) { |
| PackageGroup* g = mPackageGroups[i]; |
| delete g; |
| } |
| N = mHeaders.size(); |
| for (size_t i=0; i<N; i++) { |
| Header* header = mHeaders[i]; |
| if (header->owner == this) { |
| if (header->ownedData) { |
| free(header->ownedData); |
| } |
| delete header; |
| } |
| } |
| |
| mPackageGroups.clear(); |
| mHeaders.clear(); |
| } |
| |
| bool ResTable::getResourceName(uint32_t resID, resource_name* outName) const |
| { |
| if (mError != NO_ERROR) { |
| return false; |
| } |
| |
| const ssize_t p = getResourcePackageIndex(resID); |
| const int t = Res_GETTYPE(resID); |
| const int e = Res_GETENTRY(resID); |
| |
| if (p < 0) { |
| if (Res_GETPACKAGE(resID)+1 == 0) { |
| ALOGW("No package identifier when getting name for resource number 0x%08x", resID); |
| } else { |
| ALOGW("No known package when getting name for resource number 0x%08x", resID); |
| } |
| return false; |
| } |
| if (t < 0) { |
| ALOGW("No type identifier when getting name for resource number 0x%08x", resID); |
| return false; |
| } |
| |
| const PackageGroup* const grp = mPackageGroups[p]; |
| if (grp == NULL) { |
| ALOGW("Bad identifier when getting name for resource number 0x%08x", resID); |
| return false; |
| } |
| if (grp->packages.size() > 0) { |
| const Package* const package = grp->packages[0]; |
| |
| const ResTable_type* type; |
| const ResTable_entry* entry; |
| ssize_t offset = getEntry(package, t, e, NULL, &type, &entry, NULL); |
| if (offset <= 0) { |
| return false; |
| } |
| |
| outName->package = grp->name.string(); |
| outName->packageLen = grp->name.size(); |
| outName->type = grp->basePackage->typeStrings.stringAt(t, &outName->typeLen); |
| outName->name = grp->basePackage->keyStrings.stringAt( |
| dtohl(entry->key.index), &outName->nameLen); |
| |
| // If we have a bad index for some reason, we should abort. |
| if (outName->type == NULL || outName->name == NULL) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| return false; |
| } |
| |
| ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag, uint16_t density, |
| uint32_t* outSpecFlags, ResTable_config* outConfig) const |
| { |
| if (mError != NO_ERROR) { |
| return mError; |
| } |
| |
| const ssize_t p = getResourcePackageIndex(resID); |
| const int t = Res_GETTYPE(resID); |
| const int e = Res_GETENTRY(resID); |
| |
| if (p < 0) { |
| if (Res_GETPACKAGE(resID)+1 == 0) { |
| ALOGW("No package identifier when getting value for resource number 0x%08x", resID); |
| } else { |
| ALOGW("No known package when getting value for resource number 0x%08x", resID); |
| } |
| return BAD_INDEX; |
| } |
| if (t < 0) { |
| ALOGW("No type identifier when getting value for resource number 0x%08x", resID); |
| return BAD_INDEX; |
| } |
| |
| const Res_value* bestValue = NULL; |
| const Package* bestPackage = NULL; |
| ResTable_config bestItem; |
| memset(&bestItem, 0, sizeof(bestItem)); // make the compiler shut up |
| |
| if (outSpecFlags != NULL) *outSpecFlags = 0; |
| |
| // Look through all resource packages, starting with the most |
| // recently added. |
| const PackageGroup* const grp = mPackageGroups[p]; |
| if (grp == NULL) { |
| ALOGW("Bad identifier when getting value for resource number 0x%08x", resID); |
| return BAD_INDEX; |
| } |
| |
| // Allow overriding density |
| const ResTable_config* desiredConfig = &mParams; |
| ResTable_config* overrideConfig = NULL; |
| if (density > 0) { |
| overrideConfig = (ResTable_config*) malloc(sizeof(ResTable_config)); |
| if (overrideConfig == NULL) { |
| ALOGE("Couldn't malloc ResTable_config for overrides: %s", strerror(errno)); |
| return BAD_INDEX; |
| } |
| memcpy(overrideConfig, &mParams, sizeof(ResTable_config)); |
| overrideConfig->density = density; |
| desiredConfig = overrideConfig; |
| } |
| |
| ssize_t rc = BAD_VALUE; |
| size_t ip = grp->packages.size(); |
| while (ip > 0) { |
| ip--; |
| int T = t; |
| int E = e; |
| |
| const Package* const package = grp->packages[ip]; |
| if (package->header->resourceIDMap) { |
| uint32_t overlayResID = 0x0; |
| status_t retval = idmapLookup(package->header->resourceIDMap, |
| package->header->resourceIDMapSize, |
| resID, &overlayResID); |
| if (retval == NO_ERROR && overlayResID != 0x0) { |
| // for this loop iteration, this is the type and entry we really want |
| ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); |
| T = Res_GETTYPE(overlayResID); |
| E = Res_GETENTRY(overlayResID); |
| } else { |
| // resource not present in overlay package, continue with the next package |
| continue; |
| } |
| } |
| |
| const ResTable_type* type; |
| const ResTable_entry* entry; |
| const Type* typeClass; |
| ssize_t offset = getEntry(package, T, E, desiredConfig, &type, &entry, &typeClass); |
| if (offset <= 0) { |
| // No {entry, appropriate config} pair found in package. If this |
| // package is an overlay package (ip != 0), this simply means the |
| // overlay package did not specify a default. |
| // Non-overlay packages are still required to provide a default. |
| if (offset < 0 && ip == 0) { |
| ALOGW("Failure getting entry for 0x%08x (t=%d e=%d) in package %zd (error %d)\n", |
| resID, T, E, ip, (int)offset); |
| rc = offset; |
| goto out; |
| } |
| continue; |
| } |
| |
| if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) != 0) { |
| if (!mayBeBag) { |
| ALOGW("Requesting resource %p failed because it is complex\n", |
| (void*)resID); |
| } |
| continue; |
| } |
| |
| TABLE_NOISY(aout << "Resource type data: " |
| << HexDump(type, dtohl(type->header.size)) << endl); |
| |
| if ((size_t)offset > (dtohl(type->header.size)-sizeof(Res_value))) { |
| ALOGW("ResTable_item at %d is beyond type chunk data %d", |
| (int)offset, dtohl(type->header.size)); |
| rc = BAD_TYPE; |
| goto out; |
| } |
| |
| const Res_value* item = |
| (const Res_value*)(((const uint8_t*)type) + offset); |
| ResTable_config thisConfig; |
| thisConfig.copyFromDtoH(type->config); |
| |
| if (outSpecFlags != NULL) { |
| if (typeClass->typeSpecFlags != NULL) { |
| *outSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); |
| } else { |
| *outSpecFlags = -1; |
| } |
| } |
| |
| if (bestPackage != NULL && |
| (bestItem.isMoreSpecificThan(thisConfig) || bestItem.diff(thisConfig) == 0)) { |
| // Discard thisConfig not only if bestItem is more specific, but also if the two configs |
| // are identical (diff == 0), or overlay packages will not take effect. |
| continue; |
| } |
| |
| bestItem = thisConfig; |
| bestValue = item; |
| bestPackage = package; |
| } |
| |
| TABLE_NOISY(printf("Found result: package %p\n", bestPackage)); |
| |
| if (bestValue) { |
| outValue->size = dtohs(bestValue->size); |
| outValue->res0 = bestValue->res0; |
| outValue->dataType = bestValue->dataType; |
| outValue->data = dtohl(bestValue->data); |
| if (outConfig != NULL) { |
| *outConfig = bestItem; |
| } |
| TABLE_NOISY(size_t len; |
| printf("Found value: pkg=%d, type=%d, str=%s, int=%d\n", |
| bestPackage->header->index, |
| outValue->dataType, |
| outValue->dataType == bestValue->TYPE_STRING |
| ? String8(bestPackage->header->values.stringAt( |
| outValue->data, &len)).string() |
| : "", |
| outValue->data)); |
| rc = bestPackage->header->index; |
| goto out; |
| } |
| |
| out: |
| if (overrideConfig != NULL) { |
| free(overrideConfig); |
| } |
| |
| return rc; |
| } |
| |
| ssize_t ResTable::resolveReference(Res_value* value, ssize_t blockIndex, |
| uint32_t* outLastRef, uint32_t* inoutTypeSpecFlags, |
| ResTable_config* outConfig) const |
| { |
| int count=0; |
| while (blockIndex >= 0 && value->dataType == value->TYPE_REFERENCE |
| && value->data != 0 && count < 20) { |
| if (outLastRef) *outLastRef = value->data; |
| uint32_t lastRef = value->data; |
| uint32_t newFlags = 0; |
| const ssize_t newIndex = getResource(value->data, value, true, 0, &newFlags, |
| outConfig); |
| if (newIndex == BAD_INDEX) { |
| return BAD_INDEX; |
| } |
| TABLE_THEME(ALOGI("Resolving reference %p: newIndex=%d, type=0x%x, data=%p\n", |
| (void*)lastRef, (int)newIndex, (int)value->dataType, (void*)value->data)); |
| //printf("Getting reference 0x%08x: newIndex=%d\n", value->data, newIndex); |
| if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newFlags; |
| if (newIndex < 0) { |
| // This can fail if the resource being referenced is a style... |
| // in this case, just return the reference, and expect the |
| // caller to deal with. |
| return blockIndex; |
| } |
| blockIndex = newIndex; |
| count++; |
| } |
| return blockIndex; |
| } |
| |
| const char16_t* ResTable::valueToString( |
| const Res_value* value, size_t stringBlock, |
| char16_t tmpBuffer[TMP_BUFFER_SIZE], size_t* outLen) |
| { |
| if (!value) { |
| return NULL; |
| } |
| if (value->dataType == value->TYPE_STRING) { |
| return getTableStringBlock(stringBlock)->stringAt(value->data, outLen); |
| } |
| // XXX do int to string conversions. |
| return NULL; |
| } |
| |
| ssize_t ResTable::lockBag(uint32_t resID, const bag_entry** outBag) const |
| { |
| mLock.lock(); |
| ssize_t err = getBagLocked(resID, outBag); |
| if (err < NO_ERROR) { |
| //printf("*** get failed! unlocking\n"); |
| mLock.unlock(); |
| } |
| return err; |
| } |
| |
| void ResTable::unlockBag(const bag_entry* bag) const |
| { |
| //printf("<<< unlockBag %p\n", this); |
| mLock.unlock(); |
| } |
| |
| void ResTable::lock() const |
| { |
| mLock.lock(); |
| } |
| |
| void ResTable::unlock() const |
| { |
| mLock.unlock(); |
| } |
| |
| ssize_t ResTable::getBagLocked(uint32_t resID, const bag_entry** outBag, |
| uint32_t* outTypeSpecFlags) const |
| { |
| if (mError != NO_ERROR) { |
| return mError; |
| } |
| |
| const ssize_t p = getResourcePackageIndex(resID); |
| const int t = Res_GETTYPE(resID); |
| const int e = Res_GETENTRY(resID); |
| |
| if (p < 0) { |
| ALOGW("Invalid package identifier when getting bag for resource number 0x%08x", resID); |
| return BAD_INDEX; |
| } |
| if (t < 0) { |
| ALOGW("No type identifier when getting bag for resource number 0x%08x", resID); |
| return BAD_INDEX; |
| } |
| |
| //printf("Get bag: id=0x%08x, p=%d, t=%d\n", resID, p, t); |
| PackageGroup* const grp = mPackageGroups[p]; |
| if (grp == NULL) { |
| ALOGW("Bad identifier when getting bag for resource number 0x%08x", resID); |
| return false; |
| } |
| |
| if (t >= (int)grp->typeCount) { |
| ALOGW("Type identifier 0x%x is larger than type count 0x%x", |
| t+1, (int)grp->typeCount); |
| return BAD_INDEX; |
| } |
| |
| const Package* const basePackage = grp->packages[0]; |
| |
| const Type* const typeConfigs = basePackage->getType(t); |
| |
| const size_t NENTRY = typeConfigs->entryCount; |
| if (e >= (int)NENTRY) { |
| ALOGW("Entry identifier 0x%x is larger than entry count 0x%x", |
| e, (int)typeConfigs->entryCount); |
| return BAD_INDEX; |
| } |
| |
| // First see if we've already computed this bag... |
| if (grp->bags) { |
| bag_set** typeSet = grp->bags[t]; |
| if (typeSet) { |
| bag_set* set = typeSet[e]; |
| if (set) { |
| if (set != (bag_set*)0xFFFFFFFF) { |
| if (outTypeSpecFlags != NULL) { |
| *outTypeSpecFlags = set->typeSpecFlags; |
| } |
| *outBag = (bag_entry*)(set+1); |
| //ALOGI("Found existing bag for: %p\n", (void*)resID); |
| return set->numAttrs; |
| } |
| ALOGW("Attempt to retrieve bag 0x%08x which is invalid or in a cycle.", |
| resID); |
| return BAD_INDEX; |
| } |
| } |
| } |
| |
| // Bag not found, we need to compute it! |
| if (!grp->bags) { |
| grp->bags = (bag_set***)calloc(grp->typeCount, sizeof(bag_set*)); |
| if (!grp->bags) return NO_MEMORY; |
| } |
| |
| bag_set** typeSet = grp->bags[t]; |
| if (!typeSet) { |
| typeSet = (bag_set**)calloc(NENTRY, sizeof(bag_set*)); |
| if (!typeSet) return NO_MEMORY; |
| grp->bags[t] = typeSet; |
| } |
| |
| // Mark that we are currently working on this one. |
| typeSet[e] = (bag_set*)0xFFFFFFFF; |
| |
| // This is what we are building. |
| bag_set* set = NULL; |
| |
| TABLE_NOISY(ALOGI("Building bag: %p\n", (void*)resID)); |
| |
| ResTable_config bestConfig; |
| memset(&bestConfig, 0, sizeof(bestConfig)); |
| |
| // Now collect all bag attributes from all packages. |
| size_t ip = grp->packages.size(); |
| while (ip > 0) { |
| ip--; |
| int T = t; |
| int E = e; |
| |
| const Package* const package = grp->packages[ip]; |
| if (package->header->resourceIDMap) { |
| uint32_t overlayResID = 0x0; |
| status_t retval = idmapLookup(package->header->resourceIDMap, |
| package->header->resourceIDMapSize, |
| resID, &overlayResID); |
| if (retval == NO_ERROR && overlayResID != 0x0) { |
| // for this loop iteration, this is the type and entry we really want |
| ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); |
| T = Res_GETTYPE(overlayResID); |
| E = Res_GETENTRY(overlayResID); |
| } else { |
| // resource not present in overlay package, continue with the next package |
| continue; |
| } |
| } |
| |
| const ResTable_type* type; |
| const ResTable_entry* entry; |
| const Type* typeClass; |
| ALOGV("Getting entry pkg=%p, t=%d, e=%d\n", package, T, E); |
| ssize_t offset = getEntry(package, T, E, &mParams, &type, &entry, &typeClass); |
| ALOGV("Resulting offset=%d\n", offset); |
| if (offset <= 0) { |
| // No {entry, appropriate config} pair found in package. If this |
| // package is an overlay package (ip != 0), this simply means the |
| // overlay package did not specify a default. |
| // Non-overlay packages are still required to provide a default. |
| if (offset < 0 && ip == 0) { |
| if (set) free(set); |
| return offset; |
| } |
| continue; |
| } |
| |
| if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) == 0) { |
| ALOGW("Skipping entry %p in package table %d because it is not complex!\n", |
| (void*)resID, (int)ip); |
| continue; |
| } |
| |
| if (set != NULL && !type->config.isBetterThan(bestConfig, NULL)) { |
| continue; |
| } |
| bestConfig = type->config; |
| if (set) { |
| free(set); |
| set = NULL; |
| } |
| |
| const uint16_t entrySize = dtohs(entry->size); |
| const uint32_t parent = entrySize >= sizeof(ResTable_map_entry) |
| ? dtohl(((const ResTable_map_entry*)entry)->parent.ident) : 0; |
| const uint32_t count = entrySize >= sizeof(ResTable_map_entry) |
| ? dtohl(((const ResTable_map_entry*)entry)->count) : 0; |
| |
| size_t N = count; |
| |
| TABLE_NOISY(ALOGI("Found map: size=%p parent=%p count=%d\n", |
| entrySize, parent, count)); |
| |
| // If this map inherits from another, we need to start |
| // with its parent's values. Otherwise start out empty. |
| TABLE_NOISY(printf("Creating new bag, entrySize=0x%08x, parent=0x%08x\n", |
| entrySize, parent)); |
| if (parent) { |
| const bag_entry* parentBag; |
| uint32_t parentTypeSpecFlags = 0; |
| const ssize_t NP = getBagLocked(parent, &parentBag, &parentTypeSpecFlags); |
| const size_t NT = ((NP >= 0) ? NP : 0) + N; |
| set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*NT); |
| if (set == NULL) { |
| return NO_MEMORY; |
| } |
| if (NP > 0) { |
| memcpy(set+1, parentBag, NP*sizeof(bag_entry)); |
| set->numAttrs = NP; |
| TABLE_NOISY(ALOGI("Initialized new bag with %d inherited attributes.\n", NP)); |
| } else { |
| TABLE_NOISY(ALOGI("Initialized new bag with no inherited attributes.\n")); |
| set->numAttrs = 0; |
| } |
| set->availAttrs = NT; |
| set->typeSpecFlags = parentTypeSpecFlags; |
| } else { |
| set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*N); |
| if (set == NULL) { |
| return NO_MEMORY; |
| } |
| set->numAttrs = 0; |
| set->availAttrs = N; |
| set->typeSpecFlags = 0; |
| } |
| |
| if (typeClass->typeSpecFlags != NULL) { |
| set->typeSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); |
| } else { |
| set->typeSpecFlags = -1; |
| } |
| |
| // Now merge in the new attributes... |
| ssize_t curOff = offset; |
| const ResTable_map* map; |
| bag_entry* entries = (bag_entry*)(set+1); |
| size_t curEntry = 0; |
| uint32_t pos = 0; |
| TABLE_NOISY(ALOGI("Starting with set %p, entries=%p, avail=%d\n", |
| set, entries, set->availAttrs)); |
| while (pos < count) { |
| TABLE_NOISY(printf("Now at %p\n", (void*)curOff)); |
| |
| if ((size_t)curOff > (dtohl(type->header.size)-sizeof(ResTable_map))) { |
| ALOGW("ResTable_map at %d is beyond type chunk data %d", |
| (int)curOff, dtohl(type->header.size)); |
| return BAD_TYPE; |
| } |
| map = (const ResTable_map*)(((const uint8_t*)type) + curOff); |
| N++; |
| |
| const uint32_t newName = htodl(map->name.ident); |
| bool isInside; |
| uint32_t oldName = 0; |
| while ((isInside=(curEntry < set->numAttrs)) |
| && (oldName=entries[curEntry].map.name.ident) < newName) { |
| TABLE_NOISY(printf("#%d: Keeping existing attribute: 0x%08x\n", |
| curEntry, entries[curEntry].map.name.ident)); |
| curEntry++; |
| } |
| |
| if ((!isInside) || oldName != newName) { |
| // This is a new attribute... figure out what to do with it. |
| if (set->numAttrs >= set->availAttrs) { |
| // Need to alloc more memory... |
| const size_t newAvail = set->availAttrs+N; |
| set = (bag_set*)realloc(set, |
| sizeof(bag_set) |
| + sizeof(bag_entry)*newAvail); |
| if (set == NULL) { |
| return NO_MEMORY; |
| } |
| set->availAttrs = newAvail; |
| entries = (bag_entry*)(set+1); |
| TABLE_NOISY(printf("Reallocated set %p, entries=%p, avail=%d\n", |
| set, entries, set->availAttrs)); |
| } |
| if (isInside) { |
| // Going in the middle, need to make space. |
| memmove(entries+curEntry+1, entries+curEntry, |
| sizeof(bag_entry)*(set->numAttrs-curEntry)); |
| set->numAttrs++; |
| } |
| TABLE_NOISY(printf("#%d: Inserting new attribute: 0x%08x\n", |
| curEntry, newName)); |
| } else { |
| TABLE_NOISY(printf("#%d: Replacing existing attribute: 0x%08x\n", |
| curEntry, oldName)); |
| } |
| |
| bag_entry* cur = entries+curEntry; |
| |
| cur->stringBlock = package->header->index; |
| cur->map.name.ident = newName; |
| cur->map.value.copyFrom_dtoh(map->value); |
| TABLE_NOISY(printf("Setting entry #%d %p: block=%d, name=0x%08x, type=%d, data=0x%08x\n", |
| curEntry, cur, cur->stringBlock, cur->map.name.ident, |
| cur->map.value.dataType, cur->map.value.data)); |
| |
| // On to the next! |
| curEntry++; |
| pos++; |
| const size_t size = dtohs(map->value.size); |
| curOff += size + sizeof(*map)-sizeof(map->value); |
| }; |
| if (curEntry > set->numAttrs) { |
| set->numAttrs = curEntry; |
| } |
| } |
| |
| // And this is it... |
| typeSet[e] = set; |
| if (set) { |
| if (outTypeSpecFlags != NULL) { |
| *outTypeSpecFlags = set->typeSpecFlags; |
| } |
| *outBag = (bag_entry*)(set+1); |
| TABLE_NOISY(ALOGI("Returning %d attrs\n", set->numAttrs)); |
| return set->numAttrs; |
| } |
| return BAD_INDEX; |
| } |
| |
| void ResTable::setParameters(const ResTable_config* params) |
| { |
| mLock.lock(); |
| TABLE_GETENTRY(ALOGI("Setting parameters: %s\n", params->toString().string())); |
| mParams = *params; |
| for (size_t i=0; i<mPackageGroups.size(); i++) { |
| TABLE_NOISY(ALOGI("CLEARING BAGS FOR GROUP %d!", i)); |
| mPackageGroups[i]->clearBagCache(); |
| } |
| mLock.unlock(); |
| } |
| |
| void ResTable::getParameters(ResTable_config* params) const |
| { |
| mLock.lock(); |
| *params = mParams; |
| mLock.unlock(); |
| } |
| |
| struct id_name_map { |
| uint32_t id; |
| size_t len; |
| char16_t name[6]; |
| }; |
| |
| const static id_name_map ID_NAMES[] = { |
| { ResTable_map::ATTR_TYPE, 5, { '^', 't', 'y', 'p', 'e' } }, |
| { ResTable_map::ATTR_L10N, 5, { '^', 'l', '1', '0', 'n' } }, |
| { ResTable_map::ATTR_MIN, 4, { '^', 'm', 'i', 'n' } }, |
| { ResTable_map::ATTR_MAX, 4, { '^', 'm', 'a', 'x' } }, |
| { ResTable_map::ATTR_OTHER, 6, { '^', 'o', 't', 'h', 'e', 'r' } }, |
| { ResTable_map::ATTR_ZERO, 5, { '^', 'z', 'e', 'r', 'o' } }, |
| { ResTable_map::ATTR_ONE, 4, { '^', 'o', 'n', 'e' } }, |
| { ResTable_map::ATTR_TWO, 4, { '^', 't', 'w', 'o' } }, |
| { ResTable_map::ATTR_FEW, 4, { '^', 'f', 'e', 'w' } }, |
| { ResTable_map::ATTR_MANY, 5, { '^', 'm', 'a', 'n', 'y' } }, |
| }; |
| |
| uint32_t ResTable::identifierForName(const char16_t* name, size_t nameLen, |
| const char16_t* type, size_t typeLen, |
| const char16_t* package, |
| size_t packageLen, |
| uint32_t* outTypeSpecFlags) const |
| { |
| TABLE_SUPER_NOISY(printf("Identifier for name: error=%d\n", mError)); |
| |
| // Check for internal resource identifier as the very first thing, so |
| // that we will always find them even when there are no resources. |
| if (name[0] == '^') { |
| const int N = (sizeof(ID_NAMES)/sizeof(ID_NAMES[0])); |
| size_t len; |
| for (int i=0; i<N; i++) { |
| const id_name_map* m = ID_NAMES + i; |
| len = m->len; |
| if (len != nameLen) { |
| continue; |
| } |
| for (size_t j=1; j<len; j++) { |
| if (m->name[j] != name[j]) { |
| goto nope; |
| } |
| } |
| if (outTypeSpecFlags) { |
| *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; |
| } |
| return m->id; |
| nope: |
| ; |
| } |
| if (nameLen > 7) { |
| if (name[1] == 'i' && name[2] == 'n' |
| && name[3] == 'd' && name[4] == 'e' && name[5] == 'x' |
| && name[6] == '_') { |
| int index = atoi(String8(name + 7, nameLen - 7).string()); |
| if (Res_CHECKID(index)) { |
| ALOGW("Array resource index: %d is too large.", |
| index); |
| return 0; |
| } |
| if (outTypeSpecFlags) { |
| *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; |
| } |
| return Res_MAKEARRAY(index); |
| } |
| } |
| return 0; |
| } |
| |
| if (mError != NO_ERROR) { |
| return 0; |
| } |
| |
| bool fakePublic = false; |
| |
| // Figure out the package and type we are looking in... |
| |
| const char16_t* packageEnd = NULL; |
| const char16_t* typeEnd = NULL; |
| const char16_t* const nameEnd = name+nameLen; |
| const char16_t* p = name; |
| while (p < nameEnd) { |
| if (*p == ':') packageEnd = p; |
| else if (*p == '/') typeEnd = p; |
| p++; |
| } |
| if (*name == '@') { |
| name++; |
| if (*name == '*') { |
| fakePublic = true; |
| name++; |
| } |
| } |
| if (name >= nameEnd) { |
| return 0; |
| } |
| |
| if (packageEnd) { |
| package = name; |
| packageLen = packageEnd-name; |
| name = packageEnd+1; |
| } else if (!package) { |
| return 0; |
| } |
| |
| if (typeEnd) { |
| type = name; |
| typeLen = typeEnd-name; |
| name = typeEnd+1; |
| } else if (!type) { |
| return 0; |
| } |
| |
| if (name >= nameEnd) { |
| return 0; |
| } |
| nameLen = nameEnd-name; |
| |
| TABLE_NOISY(printf("Looking for identifier: type=%s, name=%s, package=%s\n", |
| String8(type, typeLen).string(), |
| String8(name, nameLen).string(), |
| String8(package, packageLen).string())); |
| |
| const size_t NG = mPackageGroups.size(); |
| for (size_t ig=0; ig<NG; ig++) { |
| const PackageGroup* group = mPackageGroups[ig]; |
| |
| if (strzcmp16(package, packageLen, |
| group->name.string(), group->name.size())) { |
| TABLE_NOISY(printf("Skipping package group: %s\n", String8(group->name).string())); |
| continue; |
| } |
| |
| const ssize_t ti = group->basePackage->typeStrings.indexOfString(type, typeLen); |
| if (ti < 0) { |
| TABLE_NOISY(printf("Type not found in package %s\n", String8(group->name).string())); |
| continue; |
| } |
| |
| const ssize_t ei = group->basePackage->keyStrings.indexOfString(name, nameLen); |
| if (ei < 0) { |
| TABLE_NOISY(printf("Name not found in package %s\n", String8(group->name).string())); |
| continue; |
| } |
| |
| TABLE_NOISY(printf("Search indices: type=%d, name=%d\n", ti, ei)); |
| |
| const Type* const typeConfigs = group->packages[0]->getType(ti); |
| if (typeConfigs == NULL || typeConfigs->configs.size() <= 0) { |
| TABLE_NOISY(printf("Expected type structure not found in package %s for idnex %d\n", |
| String8(group->name).string(), ti)); |
| } |
| |
| size_t NTC = typeConfigs->configs.size(); |
| for (size_t tci=0; tci<NTC; tci++) { |
| const ResTable_type* const ty = typeConfigs->configs[tci]; |
| const uint32_t typeOffset = dtohl(ty->entriesStart); |
| |
| const uint8_t* const end = ((const uint8_t*)ty) + dtohl(ty->header.size); |
| const uint32_t* const eindex = (const uint32_t*) |
| (((const uint8_t*)ty) + dtohs(ty->header.headerSize)); |
| |
| const size_t NE = dtohl(ty->entryCount); |
| for (size_t i=0; i<NE; i++) { |
| uint32_t offset = dtohl(eindex[i]); |
| if (offset == ResTable_type::NO_ENTRY) { |
| continue; |
| } |
| |
| offset += typeOffset; |
| |
| if (offset > (dtohl(ty->header.size)-sizeof(ResTable_entry))) { |
| ALOGW("ResTable_entry at %d is beyond type chunk data %d", |
| offset, dtohl(ty->header.size)); |
| return 0; |
| } |
| if ((offset&0x3) != 0) { |
| ALOGW("ResTable_entry at %d (pkg=%d type=%d ent=%d) is not on an integer boundary when looking for %s:%s/%s", |
| (int)offset, (int)group->id, (int)ti+1, (int)i, |
| String8(package, packageLen).string(), |
| String8(type, typeLen).string(), |
| String8(name, nameLen).string()); |
| return 0; |
| } |
| |
| const ResTable_entry* const entry = (const ResTable_entry*) |
| (((const uint8_t*)ty) + offset); |
| if (dtohs(entry->size) < sizeof(*entry)) { |
| ALOGW("ResTable_entry size %d is too small", dtohs(entry->size)); |
| return BAD_TYPE; |
| } |
| |
| TABLE_SUPER_NOISY(printf("Looking at entry #%d: want str %d, have %d\n", |
| i, ei, dtohl(entry->key.index))); |
| if (dtohl(entry->key.index) == (size_t)ei) { |
| if (outTypeSpecFlags) { |
| *outTypeSpecFlags = typeConfigs->typeSpecFlags[i]; |
| if (fakePublic) { |
| *outTypeSpecFlags |= ResTable_typeSpec::SPEC_PUBLIC; |
| } |
| } |
| return Res_MAKEID(group->id-1, ti, i); |
| } |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| bool ResTable::expandResourceRef(const uint16_t* refStr, size_t refLen, |
| String16* outPackage, |
| String16* outType, |
| String16* outName, |
| const String16* defType, |
| const String16* defPackage, |
| const char** outErrorMsg, |
| bool* outPublicOnly) |
| { |
| const char16_t* packageEnd = NULL; |
| const char16_t* typeEnd = NULL; |
| const char16_t* p = refStr; |
| const char16_t* const end = p + refLen; |
| while (p < end) { |
| if (*p == ':') packageEnd = p; |
| else if (*p == '/') { |
| typeEnd = p; |
| break; |
| } |
| p++; |
| } |
| p = refStr; |
| if (*p == '@') p++; |
| |
| if (outPublicOnly != NULL) { |
| *outPublicOnly = true; |
| } |
| if (*p == '*') { |
| p++; |
| if (outPublicOnly != NULL) { |
| *outPublicOnly = false; |
| } |
| } |
| |
| if (packageEnd) { |
| *outPackage = String16(p, packageEnd-p); |
| p = packageEnd+1; |
| } else { |
| if (!defPackage) { |
| if (outErrorMsg) { |
| *outErrorMsg = "No resource package specified"; |
| } |
| return false; |
| } |
| *outPackage = *defPackage; |
| } |
| if (typeEnd) { |
| *outType = String16(p, typeEnd-p); |
| p = typeEnd+1; |
| } else { |
| if (!defType) { |
| if (outErrorMsg) { |
| *outErrorMsg = "No resource type specified"; |
| } |
| return false; |
| } |
| *outType = *defType; |
| } |
| *outName = String16(p, end-p); |
| if(**outPackage == 0) { |
| if(outErrorMsg) { |
| *outErrorMsg = "Resource package cannot be an empty string"; |
| } |
| return false; |
| } |
| if(**outType == 0) { |
| if(outErrorMsg) { |
| *outErrorMsg = "Resource type cannot be an empty string"; |
| } |
| return false; |
| } |
| if(**outName == 0) { |
| if(outErrorMsg) { |
| *outErrorMsg = "Resource id cannot be an empty string"; |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| static uint32_t get_hex(char c, bool* outError) |
| { |
| if (c >= '0' && c <= '9') { |
| return c - '0'; |
| } else if (c >= 'a' && c <= 'f') { |
| return c - 'a' + 0xa; |
| } else if (c >= 'A' && c <= 'F') { |
| return c - 'A' + 0xa; |
| } |
| *outError = true; |
| return 0; |
| } |
| |
| struct unit_entry |
| { |
| const char* name; |
| size_t len; |
| uint8_t type; |
| uint32_t unit; |
| float scale; |
| }; |
| |
| static const unit_entry unitNames[] = { |
| { "px", strlen("px"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PX, 1.0f }, |
| { "dip", strlen("dip"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, |
| { "dp", strlen("dp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, |
| { "sp", strlen("sp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_SP, 1.0f }, |
| { "pt", strlen("pt"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PT, 1.0f }, |
| { "in", strlen("in"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_IN, 1.0f }, |
| { "mm", strlen("mm"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_MM, 1.0f }, |
| { "%", strlen("%"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION, 1.0f/100 }, |
| { "%p", strlen("%p"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION_PARENT, 1.0f/100 }, |
| { NULL, 0, 0, 0, 0 } |
| }; |
| |
| static bool parse_unit(const char* str, Res_value* outValue, |
| float* outScale, const char** outEnd) |
| { |
| const char* end = str; |
| while (*end != 0 && !isspace((unsigned char)*end)) { |
| end++; |
| } |
| const size_t len = end-str; |
| |
| const char* realEnd = end; |
| while (*realEnd != 0 && isspace((unsigned char)*realEnd)) { |
| realEnd++; |
| } |
| if (*realEnd != 0) { |
| return false; |
| } |
| |
| const unit_entry* cur = unitNames; |
| while (cur->name) { |
| if (len == cur->len && strncmp(cur->name, str, len) == 0) { |
| outValue->dataType = cur->type; |
| outValue->data = cur->unit << Res_value::COMPLEX_UNIT_SHIFT; |
| *outScale = cur->scale; |
| *outEnd = end; |
| //printf("Found unit %s for %s\n", cur->name, str); |
| return true; |
| } |
| cur++; |
| } |
| |
| return false; |
| } |
| |
| |
| bool ResTable::stringToInt(const char16_t* s, size_t len, Res_value* outValue) |
| { |
| while (len > 0 && isspace16(*s)) { |
| s++; |
| len--; |
| } |
| |
| if (len <= 0) { |
| return false; |
| } |
| |
| size_t i = 0; |
| int32_t val = 0; |
| bool neg = false; |
| |
| if (*s == '-') { |
| neg = true; |
| i++; |
| } |
| |
| if (s[i] < '0' || s[i] > '9') { |
| return false; |
| } |
| |
| // Decimal or hex? |
| if (s[i] == '0' && s[i+1] == 'x') { |
| if (outValue) |
| outValue->dataType = outValue->TYPE_INT_HEX; |
| i += 2; |
| bool error = false; |
| while (i < len && !error) { |
| val = (val*16) + get_hex(s[i], &error); |
| i++; |
| } |
| if (error) { |
| return false; |
| } |
| } else { |
| if (outValue) |
| outValue->dataType = outValue->TYPE_INT_DEC; |
| while (i < len) { |
| if (s[i] < '0' || s[i] > '9') { |
| return false; |
| } |
| val = (val*10) + s[i]-'0'; |
| i++; |
| } |
| } |
| |
| if (neg) val = -val; |
| |
| while (i < len && isspace16(s[i])) { |
| i++; |
| } |
| |
| if (i == len) { |
| if (outValue) |
| outValue->data = val; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool ResTable::stringToFloat(const char16_t* s, size_t len, Res_value* outValue) |
| { |
| while (len > 0 && isspace16(*s)) { |
| s++; |
| len--; |
| } |
| |
| if (len <= 0) { |
| return false; |
| } |
| |
| char buf[128]; |
| int i=0; |
| while (len > 0 && *s != 0 && i < 126) { |
| if (*s > 255) { |
| return false; |
| } |
| buf[i++] = *s++; |
| len--; |
| } |
| |
| if (len > 0) { |
| return false; |
| } |
| if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') { |
| return false; |
| } |
| |
| buf[i] = 0; |
| const char* end; |
| float f = strtof(buf, (char**)&end); |
| |
| if (*end != 0 && !isspace((unsigned char)*end)) { |
| // Might be a unit... |
| float scale; |
| if (parse_unit(end, outValue, &scale, &end)) { |
| f *= scale; |
| const bool neg = f < 0; |
| if (neg) f = -f; |
| uint64_t bits = (uint64_t)(f*(1<<23)+.5f); |
| uint32_t radix; |
| uint32_t shift; |
| if ((bits&0x7fffff) == 0) { |
| // Always use 23p0 if there is no fraction, just to make |
| // things easier to read. |
| radix = Res_value::COMPLEX_RADIX_23p0; |
| shift = 23; |
| } else if ((bits&0xffffffffff800000LL) == 0) { |
| // Magnitude is zero -- can fit in 0 bits of precision. |
| radix = Res_value::COMPLEX_RADIX_0p23; |
| shift = 0; |
| } else if ((bits&0xffffffff80000000LL) == 0) { |
| // Magnitude can fit in 8 bits of precision. |
| radix = Res_value::COMPLEX_RADIX_8p15; |
| shift = 8; |
| } else if ((bits&0xffffff8000000000LL) == 0) { |
| // Magnitude can fit in 16 bits of precision. |
| radix = Res_value::COMPLEX_RADIX_16p7; |
| shift = 16; |
| } else { |
| // Magnitude needs entire range, so no fractional part. |
| radix = Res_value::COMPLEX_RADIX_23p0; |
| shift = 23; |
| } |
| int32_t mantissa = (int32_t)( |
| (bits>>shift) & Res_value::COMPLEX_MANTISSA_MASK); |
| if (neg) { |
| mantissa = (-mantissa) & Res_value::COMPLEX_MANTISSA_MASK; |
| } |
| outValue->data |= |
| (radix<<Res_value::COMPLEX_RADIX_SHIFT) |
| | (mantissa<<Res_value::COMPLEX_MANTISSA_SHIFT); |
| //printf("Input value: %f 0x%016Lx, mult: %f, radix: %d, shift: %d, final: 0x%08x\n", |
| // f * (neg ? -1 : 1), bits, f*(1<<23), |
| // radix, shift, outValue->data); |
| return true; |
| } |
| return false; |
| } |
| |
| while (*end != 0 && isspace((unsigned char)*end)) { |
| end++; |
| } |
| |
| if (*end == 0) { |
| if (outValue) { |
| outValue->dataType = outValue->TYPE_FLOAT; |
| *(float*)(&outValue->data) = f; |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| bool ResTable::stringToValue(Res_value* outValue, String16* outString, |
| const char16_t* s, size_t len, |
| bool preserveSpaces, bool coerceType, |
| uint32_t attrID, |
| const String16* defType, |
| const String16* defPackage, |
| Accessor* accessor, |
| void* accessorCookie, |
| uint32_t attrType, |
| bool enforcePrivate) const |
| { |
| bool localizationSetting = accessor != NULL && accessor->getLocalizationSetting(); |
| const char* errorMsg = NULL; |
| |
| outValue->size = sizeof(Res_value); |
| outValue->res0 = 0; |
| |
| // First strip leading/trailing whitespace. Do this before handling |
| // escapes, so they can be used to force whitespace into the string. |
| if (!preserveSpaces) { |
| while (len > 0 && isspace16(*s)) { |
| s++; |
| len--; |
| } |
| while (len > 0 && isspace16(s[len-1])) { |
| len--; |
| } |
| // If the string ends with '\', then we keep the space after it. |
| if (len > 0 && s[len-1] == '\\' && s[len] != 0) { |
| len++; |
| } |
| } |
| |
| //printf("Value for: %s\n", String8(s, len).string()); |
| |
| uint32_t l10nReq = ResTable_map::L10N_NOT_REQUIRED; |
| uint32_t attrMin = 0x80000000, attrMax = 0x7fffffff; |
| bool fromAccessor = false; |
| if (attrID != 0 && !Res_INTERNALID(attrID)) { |
| const ssize_t p = getResourcePackageIndex(attrID); |
| const bag_entry* bag; |
| ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; |
| //printf("For attr 0x%08x got bag of %d\n", attrID, cnt); |
| if (cnt >= 0) { |
| while (cnt > 0) { |
| //printf("Entry 0x%08x = 0x%08x\n", bag->map.name.ident, bag->map.value.data); |
| switch (bag->map.name.ident) { |
| case ResTable_map::ATTR_TYPE: |
| attrType = bag->map.value.data; |
| break; |
| case ResTable_map::ATTR_MIN: |
| attrMin = bag->map.value.data; |
| break; |
| case ResTable_map::ATTR_MAX: |
| attrMax = bag->map.value.data; |
| break; |
| case ResTable_map::ATTR_L10N: |
| l10nReq = bag->map.value.data; |
| break; |
| } |
| bag++; |
| cnt--; |
| } |
| unlockBag(bag); |
| } else if (accessor && accessor->getAttributeType(attrID, &attrType)) { |
| fromAccessor = true; |
| if (attrType == ResTable_map::TYPE_ENUM |
| || attrType == ResTable_map::TYPE_FLAGS |
| || attrType == ResTable_map::TYPE_INTEGER) { |
| accessor->getAttributeMin(attrID, &attrMin); |
| accessor->getAttributeMax(attrID, &attrMax); |
| } |
| if (localizationSetting) { |
| l10nReq = accessor->getAttributeL10N(attrID); |
| } |
| } |
| } |
| |
| const bool canStringCoerce = |
| coerceType && (attrType&ResTable_map::TYPE_STRING) != 0; |
| |
| if (*s == '@') { |
| outValue->dataType = outValue->TYPE_REFERENCE; |
| |
| // Note: we don't check attrType here because the reference can |
| // be to any other type; we just need to count on the client making |
| // sure the referenced type is correct. |
| |
| //printf("Looking up ref: %s\n", String8(s, len).string()); |
| |
| // It's a reference! |
| if (len == 5 && s[1]=='n' && s[2]=='u' && s[3]=='l' && s[4]=='l') { |
| outValue->data = 0; |
| return true; |
| } else { |
| bool createIfNotFound = false; |
| const char16_t* resourceRefName; |
| int resourceNameLen; |
| if (len > 2 && s[1] == '+') { |
| createIfNotFound = true; |
| resourceRefName = s + 2; |
| resourceNameLen = len - 2; |
| } else if (len > 2 && s[1] == '*') { |
| enforcePrivate = false; |
| resourceRefName = s + 2; |
| resourceNameLen = len - 2; |
| } else { |
| createIfNotFound = false; |
| resourceRefName = s + 1; |
| resourceNameLen = len - 1; |
| } |
| String16 package, type, name; |
| if (!expandResourceRef(resourceRefName,resourceNameLen, &package, &type, &name, |
| defType, defPackage, &errorMsg)) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, errorMsg); |
| } |
| return false; |
| } |
| |
| uint32_t specFlags = 0; |
| uint32_t rid = identifierForName(name.string(), name.size(), type.string(), |
| type.size(), package.string(), package.size(), &specFlags); |
| if (rid != 0) { |
| if (enforcePrivate) { |
| if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Resource is not public."); |
| } |
| return false; |
| } |
| } |
| if (!accessor) { |
| outValue->data = rid; |
| return true; |
| } |
| rid = Res_MAKEID( |
| accessor->getRemappedPackage(Res_GETPACKAGE(rid)), |
| Res_GETTYPE(rid), Res_GETENTRY(rid)); |
| TABLE_NOISY(printf("Incl %s:%s/%s: 0x%08x\n", |
| String8(package).string(), String8(type).string(), |
| String8(name).string(), rid)); |
| outValue->data = rid; |
| return true; |
| } |
| |
| if (accessor) { |
| uint32_t rid = accessor->getCustomResourceWithCreation(package, type, name, |
| createIfNotFound); |
| if (rid != 0) { |
| TABLE_NOISY(printf("Pckg %s:%s/%s: 0x%08x\n", |
| String8(package).string(), String8(type).string(), |
| String8(name).string(), rid)); |
| outValue->data = rid; |
| return true; |
| } |
| } |
| } |
| |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "No resource found that matches the given name"); |
| } |
| return false; |
| } |
| |
| // if we got to here, and localization is required and it's not a reference, |
| // complain and bail. |
| if (l10nReq == ResTable_map::L10N_SUGGESTED) { |
| if (localizationSetting) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "This attribute must be localized."); |
| } |
| } |
| } |
| |
| if (*s == '#') { |
| // It's a color! Convert to an integer of the form 0xaarrggbb. |
| uint32_t color = 0; |
| bool error = false; |
| if (len == 4) { |
| outValue->dataType = outValue->TYPE_INT_COLOR_RGB4; |
| color |= 0xFF000000; |
| color |= get_hex(s[1], &error) << 20; |
| color |= get_hex(s[1], &error) << 16; |
| color |= get_hex(s[2], &error) << 12; |
| color |= get_hex(s[2], &error) << 8; |
| color |= get_hex(s[3], &error) << 4; |
| color |= get_hex(s[3], &error); |
| } else if (len == 5) { |
| outValue->dataType = outValue->TYPE_INT_COLOR_ARGB4; |
| color |= get_hex(s[1], &error) << 28; |
| color |= get_hex(s[1], &error) << 24; |
| color |= get_hex(s[2], &error) << 20; |
| color |= get_hex(s[2], &error) << 16; |
| color |= get_hex(s[3], &error) << 12; |
| color |= get_hex(s[3], &error) << 8; |
| color |= get_hex(s[4], &error) << 4; |
| color |= get_hex(s[4], &error); |
| } else if (len == 7) { |
| outValue->dataType = outValue->TYPE_INT_COLOR_RGB8; |
| color |= 0xFF000000; |
| color |= get_hex(s[1], &error) << 20; |
| color |= get_hex(s[2], &error) << 16; |
| color |= get_hex(s[3], &error) << 12; |
| color |= get_hex(s[4], &error) << 8; |
| color |= get_hex(s[5], &error) << 4; |
| color |= get_hex(s[6], &error); |
| } else if (len == 9) { |
| outValue->dataType = outValue->TYPE_INT_COLOR_ARGB8; |
| color |= get_hex(s[1], &error) << 28; |
| color |= get_hex(s[2], &error) << 24; |
| color |= get_hex(s[3], &error) << 20; |
| color |= get_hex(s[4], &error) << 16; |
| color |= get_hex(s[5], &error) << 12; |
| color |= get_hex(s[6], &error) << 8; |
| color |= get_hex(s[7], &error) << 4; |
| color |= get_hex(s[8], &error); |
| } else { |
| error = true; |
| } |
| if (!error) { |
| if ((attrType&ResTable_map::TYPE_COLOR) == 0) { |
| if (!canStringCoerce) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, |
| "Color types not allowed"); |
| } |
| return false; |
| } |
| } else { |
| outValue->data = color; |
| //printf("Color input=%s, output=0x%x\n", String8(s, len).string(), color); |
| return true; |
| } |
| } else { |
| if ((attrType&ResTable_map::TYPE_COLOR) != 0) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Color value not valid --" |
| " must be #rgb, #argb, #rrggbb, or #aarrggbb"); |
| } |
| #if 0 |
| fprintf(stderr, "%s: Color ID %s value %s is not valid\n", |
| "Resource File", //(const char*)in->getPrintableSource(), |
| String8(*curTag).string(), |
| String8(s, len).string()); |
| #endif |
| return false; |
| } |
| } |
| } |
| |
| if (*s == '?') { |
| outValue->dataType = outValue->TYPE_ATTRIBUTE; |
| |
| // Note: we don't check attrType here because the reference can |
| // be to any other type; we just need to count on the client making |
| // sure the referenced type is correct. |
| |
| //printf("Looking up attr: %s\n", String8(s, len).string()); |
| |
| static const String16 attr16("attr"); |
| String16 package, type, name; |
| if (!expandResourceRef(s+1, len-1, &package, &type, &name, |
| &attr16, defPackage, &errorMsg)) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, errorMsg); |
| } |
| return false; |
| } |
| |
| //printf("Pkg: %s, Type: %s, Name: %s\n", |
| // String8(package).string(), String8(type).string(), |
| // String8(name).string()); |
| uint32_t specFlags = 0; |
| uint32_t rid = |
| identifierForName(name.string(), name.size(), |
| type.string(), type.size(), |
| package.string(), package.size(), &specFlags); |
| if (rid != 0) { |
| if (enforcePrivate) { |
| if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Attribute is not public."); |
| } |
| return false; |
| } |
| } |
| if (!accessor) { |
| outValue->data = rid; |
| return true; |
| } |
| rid = Res_MAKEID( |
| accessor->getRemappedPackage(Res_GETPACKAGE(rid)), |
| Res_GETTYPE(rid), Res_GETENTRY(rid)); |
| //printf("Incl %s:%s/%s: 0x%08x\n", |
| // String8(package).string(), String8(type).string(), |
| // String8(name).string(), rid); |
| outValue->data = rid; |
| return true; |
| } |
| |
| if (accessor) { |
| uint32_t rid = accessor->getCustomResource(package, type, name); |
| if (rid != 0) { |
| //printf("Mine %s:%s/%s: 0x%08x\n", |
| // String8(package).string(), String8(type).string(), |
| // String8(name).string(), rid); |
| outValue->data = rid; |
| return true; |
| } |
| } |
| |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "No resource found that matches the given name"); |
| } |
| return false; |
| } |
| |
| if (stringToInt(s, len, outValue)) { |
| if ((attrType&ResTable_map::TYPE_INTEGER) == 0) { |
| // If this type does not allow integers, but does allow floats, |
| // fall through on this error case because the float type should |
| // be able to accept any integer value. |
| if (!canStringCoerce && (attrType&ResTable_map::TYPE_FLOAT) == 0) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Integer types not allowed"); |
| } |
| return false; |
| } |
| } else { |
| if (((int32_t)outValue->data) < ((int32_t)attrMin) |
| || ((int32_t)outValue->data) > ((int32_t)attrMax)) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Integer value out of range"); |
| } |
| return false; |
| } |
| return true; |
| } |
| } |
| |
| if (stringToFloat(s, len, outValue)) { |
| if (outValue->dataType == Res_value::TYPE_DIMENSION) { |
| if ((attrType&ResTable_map::TYPE_DIMENSION) != 0) { |
| return true; |
| } |
| if (!canStringCoerce) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Dimension types not allowed"); |
| } |
| return false; |
| } |
| } else if (outValue->dataType == Res_value::TYPE_FRACTION) { |
| if ((attrType&ResTable_map::TYPE_FRACTION) != 0) { |
| return true; |
| } |
| if (!canStringCoerce) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Fraction types not allowed"); |
| } |
| return false; |
| } |
| } else if ((attrType&ResTable_map::TYPE_FLOAT) == 0) { |
| if (!canStringCoerce) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Float types not allowed"); |
| } |
| return false; |
| } |
| } else { |
| return true; |
| } |
| } |
| |
| if (len == 4) { |
| if ((s[0] == 't' || s[0] == 'T') && |
| (s[1] == 'r' || s[1] == 'R') && |
| (s[2] == 'u' || s[2] == 'U') && |
| (s[3] == 'e' || s[3] == 'E')) { |
| if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { |
| if (!canStringCoerce) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Boolean types not allowed"); |
| } |
| return false; |
| } |
| } else { |
| outValue->dataType = outValue->TYPE_INT_BOOLEAN; |
| outValue->data = (uint32_t)-1; |
| return true; |
| } |
| } |
| } |
| |
| if (len == 5) { |
| if ((s[0] == 'f' || s[0] == 'F') && |
| (s[1] == 'a' || s[1] == 'A') && |
| (s[2] == 'l' || s[2] == 'L') && |
| (s[3] == 's' || s[3] == 'S') && |
| (s[4] == 'e' || s[4] == 'E')) { |
| if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { |
| if (!canStringCoerce) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Boolean types not allowed"); |
| } |
| return false; |
| } |
| } else { |
| outValue->dataType = outValue->TYPE_INT_BOOLEAN; |
| outValue->data = 0; |
| return true; |
| } |
| } |
| } |
| |
| if ((attrType&ResTable_map::TYPE_ENUM) != 0) { |
| const ssize_t p = getResourcePackageIndex(attrID); |
| const bag_entry* bag; |
| ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; |
| //printf("Got %d for enum\n", cnt); |
| if (cnt >= 0) { |
| resource_name rname; |
| while (cnt > 0) { |
| if (!Res_INTERNALID(bag->map.name.ident)) { |
| //printf("Trying attr #%08x\n", bag->map.name.ident); |
| if (getResourceName(bag->map.name.ident, &rname)) { |
| #if 0 |
| printf("Matching %s against %s (0x%08x)\n", |
| String8(s, len).string(), |
| String8(rname.name, rname.nameLen).string(), |
| bag->map.name.ident); |
| #endif |
| if (strzcmp16(s, len, rname.name, rname.nameLen) == 0) { |
| outValue->dataType = bag->map.value.dataType; |
| outValue->data = bag->map.value.data; |
| unlockBag(bag); |
| return true; |
| } |
| } |
| |
| } |
| bag++; |
| cnt--; |
| } |
| unlockBag(bag); |
| } |
| |
| if (fromAccessor) { |
| if (accessor->getAttributeEnum(attrID, s, len, outValue)) { |
| return true; |
| } |
| } |
| } |
| |
| if ((attrType&ResTable_map::TYPE_FLAGS) != 0) { |
| const ssize_t p = getResourcePackageIndex(attrID); |
| const bag_entry* bag; |
| ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; |
| //printf("Got %d for flags\n", cnt); |
| if (cnt >= 0) { |
| bool failed = false; |
| resource_name rname; |
| outValue->dataType = Res_value::TYPE_INT_HEX; |
| outValue->data = 0; |
| const char16_t* end = s + len; |
| const char16_t* pos = s; |
| while (pos < end && !failed) { |
| const char16_t* start = pos; |
| pos++; |
| while (pos < end && *pos != '|') { |
| pos++; |
| } |
| //printf("Looking for: %s\n", String8(start, pos-start).string()); |
| const bag_entry* bagi = bag; |
| ssize_t i; |
| for (i=0; i<cnt; i++, bagi++) { |
| if (!Res_INTERNALID(bagi->map.name.ident)) { |
| //printf("Trying attr #%08x\n", bagi->map.name.ident); |
| if (getResourceName(bagi->map.name.ident, &rname)) { |
| #if 0 |
| printf("Matching %s against %s (0x%08x)\n", |
| String8(start,pos-start).string(), |
| String8(rname.name, rname.nameLen).string(), |
| bagi->map.name.ident); |
| #endif |
| if (strzcmp16(start, pos-start, rname.name, rname.nameLen) == 0) { |
| outValue->data |= bagi->map.value.data; |
| break; |
| } |
| } |
| } |
| } |
| if (i >= cnt) { |
| // Didn't find this flag identifier. |
| failed = true; |
| } |
| if (pos < end) { |
| pos++; |
| } |
| } |
| unlockBag(bag); |
| if (!failed) { |
| //printf("Final flag value: 0x%lx\n", outValue->data); |
| return true; |
| } |
| } |
| |
| |
| if (fromAccessor) { |
| if (accessor->getAttributeFlags(attrID, s, len, outValue)) { |
| //printf("Final flag value: 0x%lx\n", outValue->data); |
| return true; |
| } |
| } |
| } |
| |
| if ((attrType&ResTable_map::TYPE_STRING) == 0) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "String types not allowed"); |
| } |
| return false; |
| } |
| |
| // Generic string handling... |
| outValue->dataType = outValue->TYPE_STRING; |
| if (outString) { |
| bool failed = collectString(outString, s, len, preserveSpaces, &errorMsg); |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, errorMsg); |
| } |
| return failed; |
| } |
| |
| return true; |
| } |
| |
| bool ResTable::collectString(String16* outString, |
| const char16_t* s, size_t len, |
| bool preserveSpaces, |
| const char** outErrorMsg, |
| bool append) |
| { |
| String16 tmp; |
| |
| char quoted = 0; |
| const char16_t* p = s; |
| while (p < (s+len)) { |
| while (p < (s+len)) { |
| const char16_t c = *p; |
| if (c == '\\') { |
| break; |
| } |
| if (!preserveSpaces) { |
| if (quoted == 0 && isspace16(c) |
| && (c != ' ' || isspace16(*(p+1)))) { |
| break; |
| } |
| if (c == '"' && (quoted == 0 || quoted == '"')) { |
| break; |
| } |
| if (c == '\'' && (quoted == 0 || quoted == '\'')) { |
| /* |
| * In practice, when people write ' instead of \' |
| * in a string, they are doing it by accident |
| * instead of really meaning to use ' as a quoting |
| * character. Warn them so they don't lose it. |
| */ |
| if (outErrorMsg) { |
| *outErrorMsg = "Apostrophe not preceded by \\"; |
| } |
| return false; |
| } |
| } |
| p++; |
| } |
| if (p < (s+len)) { |
| if (p > s) { |
| tmp.append(String16(s, p-s)); |
| } |
| if (!preserveSpaces && (*p == '"' || *p == '\'')) { |
| if (quoted == 0) { |
| quoted = *p; |
| } else { |
| quoted = 0; |
| } |
| p++; |
| } else if (!preserveSpaces && isspace16(*p)) { |
| // Space outside of a quote -- consume all spaces and |
| // leave a single plain space char. |
| tmp.append(String16(" ")); |
| p++; |
| while (p < (s+len) && isspace16(*p)) { |
| p++; |
| } |
| } else if (*p == '\\') { |
| p++; |
| if (p < (s+len)) { |
| switch (*p) { |
| case 't': |
| tmp.append(String16("\t")); |
| break; |
| case 'n': |
| tmp.append(String16("\n")); |
| break; |
| case '#': |
| tmp.append(String16("#")); |
| break; |
| case '@': |
| tmp.append(String16("@")); |
| break; |
| case '?': |
| tmp.append(String16("?")); |
| break; |
| case '"': |
| tmp.append(String16("\"")); |
| break; |
| case '\'': |
| tmp.append(String16("'")); |
| break; |
| case '\\': |
| tmp.append(String16("\\")); |
| break; |
| case 'u': |
| { |
| char16_t chr = 0; |
| int i = 0; |
| while (i < 4 && p[1] != 0) { |
| p++; |
| i++; |
| int c; |
| if (*p >= '0' && *p <= '9') { |
| c = *p - '0'; |
| } else if (*p >= 'a' && *p <= 'f') { |
| c = *p - 'a' + 10; |
| } else if (*p >= 'A' && *p <= 'F') { |
| c = *p - 'A' + 10; |
| } else { |
| if (outErrorMsg) { |
| *outErrorMsg = "Bad character in \\u unicode escape sequence"; |
| } |
| return false; |
| } |
| chr = (chr<<4) | c; |
| } |
| tmp.append(String16(&chr, 1)); |
| } break; |
| default: |
| // ignore unknown escape chars. |
| break; |
| } |
| p++; |
| } |
| } |
| len -= (p-s); |
| s = p; |
| } |
| } |
| |
| if (tmp.size() != 0) { |
| if (len > 0) { |
| tmp.append(String16(s, len)); |
| } |
| if (append) { |
| outString->append(tmp); |
| } else { |
| outString->setTo(tmp); |
| } |
| } else { |
| if (append) { |
| outString->append(String16(s, len)); |
| } else { |
| outString->setTo(s, len); |
| } |
| } |
| |
| return true; |
| } |
| |
| size_t ResTable::getBasePackageCount() const |
| { |
| if (mError != NO_ERROR) { |
| return 0; |
| } |
| return mPackageGroups.size(); |
| } |
| |
| const char16_t* ResTable::getBasePackageName(size_t idx) const |
| { |
| if (mError != NO_ERROR) { |
| return 0; |
| } |
| LOG_FATAL_IF(idx >= mPackageGroups.size(), |
| "Requested package index %d past package count %d", |
| (int)idx, (int)mPackageGroups.size()); |
| return mPackageGroups[idx]->name.string(); |
| } |
| |
| uint32_t ResTable::getBasePackageId(size_t idx) const |
| { |
| if (mError != NO_ERROR) { |
| return 0; |
| } |
| LOG_FATAL_IF(idx >= mPackageGroups.size(), |
| "Requested package index %d past package count %d", |
| (int)idx, (int)mPackageGroups.size()); |
| return mPackageGroups[idx]->id; |
| } |
| |
| size_t ResTable::getTableCount() const |
| { |
| return mHeaders.size(); |
| } |
| |
| const ResStringPool* ResTable::getTableStringBlock(size_t index) const |
| { |
| return &mHeaders[index]->values; |
| } |
| |
| void* ResTable::getTableCookie(size_t index) const |
| { |
| return mHeaders[index]->cookie; |
| } |
| |
| void ResTable::getConfigurations(Vector<ResTable_config>* configs) const |
| { |
| const size_t I = mPackageGroups.size(); |
| for (size_t i=0; i<I; i++) { |
| const PackageGroup* packageGroup = mPackageGroups[i]; |
| const size_t J = packageGroup->packages.size(); |
| for (size_t j=0; j<J; j++) { |
| const Package* package = packageGroup->packages[j]; |
| const size_t K = package->types.size(); |
| for (size_t k=0; k<K; k++) { |
| const Type* type = package->types[k]; |
| if (type == NULL) continue; |
| const size_t L = type->configs.size(); |
| for (size_t l=0; l<L; l++) { |
| const ResTable_type* config = type->configs[l]; |
| const ResTable_config* cfg = &config->config; |
| // only insert unique |
| const size_t M = configs->size(); |
| size_t m; |
| for (m=0; m<M; m++) { |
| if (0 == (*configs)[m].compare(*cfg)) { |
| break; |
| } |
| } |
| // if we didn't find it |
| if (m == M) { |
| configs->add(*cfg); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| void ResTable::getLocales(Vector<String8>* locales) const |
| { |
| Vector<ResTable_config> configs; |
| ALOGV("calling getConfigurations"); |
| getConfigurations(&configs); |
| ALOGV("called getConfigurations size=%d", (int)configs.size()); |
| const size_t I = configs.size(); |
| for (size_t i=0; i<I; i++) { |
| char locale[6]; |
| configs[i].getLocale(locale); |
| const size_t J = locales->size(); |
| size_t j; |
| for (j=0; j<J; j++) { |
| if (0 == strcmp(locale, (*locales)[j].string())) { |
| break; |
| } |
| } |
| if (j == J) { |
| locales->add(String8(locale)); |
| } |
| } |
| } |
| |
| ssize_t ResTable::getEntry( |
| const Package* package, int typeIndex, int entryIndex, |
| const ResTable_config* config, |
| const ResTable_type** outType, const ResTable_entry** outEntry, |
| const Type** outTypeClass) const |
| { |
| ALOGV("Getting entry from package %p\n", package); |
| const ResTable_package* const pkg = package->package; |
| |
| const Type* allTypes = package->getType(typeIndex); |
| ALOGV("allTypes=%p\n", allTypes); |
| if (allTypes == NULL) { |
| ALOGV("Skipping entry type index 0x%02x because type is NULL!\n", typeIndex); |
| return 0; |
| } |
| |
| if ((size_t)entryIndex >= allTypes->entryCount) { |
| ALOGW("getEntry failing because entryIndex %d is beyond type entryCount %d", |
| entryIndex, (int)allTypes->entryCount); |
| return BAD_TYPE; |
| } |
| |
| const ResTable_type* type = NULL; |
| uint32_t offset = ResTable_type::NO_ENTRY; |
| ResTable_config bestConfig; |
| memset(&bestConfig, 0, sizeof(bestConfig)); // make the compiler shut up |
| |
| const size_t NT = allTypes->configs.size(); |
| for (size_t i=0; i<NT; i++) { |
| const ResTable_type* const thisType = allTypes->configs[i]; |
| if (thisType == NULL) continue; |
| |
| ResTable_config thisConfig; |
| thisConfig.copyFromDtoH(thisType->config); |
| |
| TABLE_GETENTRY(ALOGI("Match entry 0x%x in type 0x%x (sz 0x%x): %s\n", |
| entryIndex, typeIndex+1, dtohl(thisType->config.size), |
| thisConfig.toString().string())); |
| |
| // Check to make sure this one is valid for the current parameters. |
| if (config && !thisConfig.match(*config)) { |
| TABLE_GETENTRY(ALOGI("Does not match config!\n")); |
| continue; |
| } |
| |
| // Check if there is the desired entry in this type. |
| |
| const uint8_t* const end = ((const uint8_t*)thisType) |
| + dtohl(thisType->header.size); |
| const uint32_t* const eindex = (const uint32_t*) |
| (((const uint8_t*)thisType) + dtohs(thisType->header.headerSize)); |
| |
| uint32_t thisOffset = dtohl(eindex[entryIndex]); |
| if (thisOffset == ResTable_type::NO_ENTRY) { |
| TABLE_GETENTRY(ALOGI("Skipping because it is not defined!\n")); |
| continue; |
| } |
| |
| if (type != NULL) { |
| // Check if this one is less specific than the last found. If so, |
| // we will skip it. We check starting with things we most care |
| // about to those we least care about. |
| if (!thisConfig.isBetterThan(bestConfig, config)) { |
| TABLE_GETENTRY(ALOGI("This config is worse than last!\n")); |
| continue; |
| } |
| } |
| |
| type = thisType; |
| offset = thisOffset; |
| bestConfig = thisConfig; |
| TABLE_GETENTRY(ALOGI("Best entry so far -- using it!\n")); |
| if (!config) break; |
| } |
| |
| if (type == NULL) { |
| TABLE_GETENTRY(ALOGI("No value found for requested entry!\n")); |
| return BAD_INDEX; |
| } |
| |
| offset += dtohl(type->entriesStart); |
| TABLE_NOISY(aout << "Looking in resource table " << package->header->header |
| << ", typeOff=" |
| << (void*)(((const char*)type)-((const char*)package->header->header)) |
| << ", offset=" << (void*)offset << endl); |
| |
| if (offset > (dtohl(type->header.size)-sizeof(ResTable_entry))) { |
| ALOGW("ResTable_entry at 0x%x is beyond type chunk data 0x%x", |
| offset, dtohl(type->header.size)); |
| return BAD_TYPE; |
| } |
| if ((offset&0x3) != 0) { |
| ALOGW("ResTable_entry at 0x%x is not on an integer boundary", |
| offset); |
| return BAD_TYPE; |
| } |
| |
| const ResTable_entry* const entry = (const ResTable_entry*) |
| (((const uint8_t*)type) + offset); |
| if (dtohs(entry->size) < sizeof(*entry)) { |
| ALOGW("ResTable_entry size 0x%x is too small", dtohs(entry->size)); |
| return BAD_TYPE; |
| } |
| |
| *outType = type; |
| *outEntry = entry; |
| if (outTypeClass != NULL) { |
| *outTypeClass = allTypes; |
| } |
| return offset + dtohs(entry->size); |
| } |
| |
| status_t ResTable::parsePackage(const ResTable_package* const pkg, |
| const Header* const header, uint32_t idmap_id) |
| { |
| const uint8_t* base = (const uint8_t*)pkg; |
| status_t err = validate_chunk(&pkg->header, sizeof(*pkg), |
| header->dataEnd, "ResTable_package"); |
| if (err != NO_ERROR) { |
| return (mError=err); |
| } |
| |
| const size_t pkgSize = dtohl(pkg->header.size); |
| |
| if (dtohl(pkg->typeStrings) >= pkgSize) { |
| ALOGW("ResTable_package type strings at %p are past chunk size %p.", |
| (void*)dtohl(pkg->typeStrings), (void*)pkgSize); |
| return (mError=BAD_TYPE); |
| } |
| if ((dtohl(pkg->typeStrings)&0x3) != 0) { |
| ALOGW("ResTable_package type strings at %p is not on an integer boundary.", |
| (void*)dtohl(pkg->typeStrings)); |
| return (mError=BAD_TYPE); |
| } |
| if (dtohl(pkg->keyStrings) >= pkgSize) { |
| ALOGW("ResTable_package key strings at %p are past chunk size %p.", |
| (void*)dtohl(pkg->keyStrings), (void*)pkgSize); |
| return (mError=BAD_TYPE); |
| } |
| if ((dtohl(pkg->keyStrings)&0x3) != 0) { |
| ALOGW("ResTable_package key strings at %p is not on an integer boundary.", |
| (void*)dtohl(pkg->keyStrings)); |
| return (mError=BAD_TYPE); |
| } |
| |
| Package* package = NULL; |
| PackageGroup* group = NULL; |
| uint32_t id = idmap_id != 0 ? idmap_id : dtohl(pkg->id); |
| // If at this point id == 0, pkg is an overlay package without a |
| // corresponding idmap. During regular usage, overlay packages are |
| // always loaded alongside their idmaps, but during idmap creation |
| // the package is temporarily loaded by itself. |
| if (id < 256) { |
| |
| package = new Package(this, header, pkg); |
| if (package == NULL) { |
| return (mError=NO_MEMORY); |
| } |
| |
| size_t idx = mPackageMap[id]; |
| if (idx == 0) { |
| idx = mPackageGroups.size()+1; |
| |
| char16_t tmpName[sizeof(pkg->name)/sizeof(char16_t)]; |
| strcpy16_dtoh(tmpName, pkg->name, sizeof(pkg->name)/sizeof(char16_t)); |
| group = new PackageGroup(this, String16(tmpName), id); |
| if (group == NULL) { |
| delete package; |
| return (mError=NO_MEMORY); |
| } |
| |
| err = package->typeStrings.setTo(base+dtohl(pkg->typeStrings), |
| header->dataEnd-(base+dtohl(pkg->typeStrings))); |
| if (err != NO_ERROR) { |
| delete group; |
| delete package; |
| return (mError=err); |
| } |
| err = package->keyStrings.setTo(base+dtohl(pkg->keyStrings), |
| header->dataEnd-(base+dtohl(pkg->keyStrings))); |
| if (err != NO_ERROR) { |
| delete group; |
| delete package; |
| return (mError=err); |
| } |
| |
| //printf("Adding new package id %d at index %d\n", id, idx); |
| err = mPackageGroups.add(group); |
| if (err < NO_ERROR) { |
| return (mError=err); |
| } |
| group->basePackage = package; |
| |
| mPackageMap[id] = (uint8_t)idx; |
| } else { |
| group = mPackageGroups.itemAt(idx-1); |
| if (group == NULL) { |
| return (mError=UNKNOWN_ERROR); |
| } |
| } |
| err = group->packages.add(package); |
| if (err < NO_ERROR) { |
| return (mError=err); |
| } |
| } else { |
| LOG_ALWAYS_FATAL("Package id out of range"); |
| return NO_ERROR; |
| } |
| |
| |
| // Iterate through all chunks. |
| size_t curPackage = 0; |
| |
| const ResChunk_header* chunk = |
| (const ResChunk_header*)(((const uint8_t*)pkg) |
| + dtohs(pkg->header.headerSize)); |
| const uint8_t* endPos = ((const uint8_t*)pkg) + dtohs(pkg->header.size); |
| while (((const uint8_t*)chunk) <= (endPos-sizeof(ResChunk_header)) && |
| ((const uint8_t*)chunk) <= (endPos-dtohl(chunk->size))) { |
| TABLE_NOISY(ALOGV("PackageChunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", |
| dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), |
| (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); |
| const size_t csize = dtohl(chunk->size); |
| const uint16_t ctype = dtohs(chunk->type); |
| if (ctype == RES_TABLE_TYPE_SPEC_TYPE) { |
| const ResTable_typeSpec* typeSpec = (const ResTable_typeSpec*)(chunk); |
| err = validate_chunk(&typeSpec->header, sizeof(*typeSpec), |
| endPos, "ResTable_typeSpec"); |
| if (err != NO_ERROR) { |
| return (mError=err); |
| } |
| |
| const size_t typeSpecSize = dtohl(typeSpec->header.size); |
| |
| LOAD_TABLE_NOISY(printf("TypeSpec off %p: type=0x%x, headerSize=0x%x, size=%p\n", |
| (void*)(base-(const uint8_t*)chunk), |
| dtohs(typeSpec->header.type), |
| dtohs(typeSpec->header.headerSize), |
| (void*)typeSize)); |
| // look for block overrun or int overflow when multiplying by 4 |
| if ((dtohl(typeSpec->entryCount) > (INT32_MAX/sizeof(uint32_t)) |
| || dtohs(typeSpec->header.headerSize)+(sizeof(uint32_t)*dtohl(typeSpec->entryCount)) |
| > typeSpecSize)) { |
| ALOGW("ResTable_typeSpec entry index to %p extends beyond chunk end %p.", |
| (void*)(dtohs(typeSpec->header.headerSize) |
| +(sizeof(uint32_t)*dtohl(typeSpec->entryCount))), |
| (void*)typeSpecSize); |
| return (mError=BAD_TYPE); |
| } |
| |
| if (typeSpec->id == 0) { |
| ALOGW("ResTable_type has an id of 0."); |
| return (mError=BAD_TYPE); |
| } |
| |
| while (package->types.size() < typeSpec->id) { |
| package->types.add(NULL); |
| } |
| Type* t = package->types[typeSpec->id-1]; |
| if (t == NULL) { |
| t = new Type(header, package, dtohl(typeSpec->entryCount)); |
| package->types.editItemAt(typeSpec->id-1) = t; |
| } else if (dtohl(typeSpec->entryCount) != t->entryCount) { |
| ALOGW("ResTable_typeSpec entry count inconsistent: given %d, previously %d", |
| (int)dtohl(typeSpec->entryCount), (int)t->entryCount); |
| return (mError=BAD_TYPE); |
| } |
| t->typeSpecFlags = (const uint32_t*)( |
| ((const uint8_t*)typeSpec) + dtohs(typeSpec->header.headerSize)); |
| t->typeSpec = typeSpec; |
| |
| } else if (ctype == RES_TABLE_TYPE_TYPE) { |
| const ResTable_type* type = (const ResTable_type*)(chunk); |
| err = validate_chunk(&type->header, sizeof(*type)-sizeof(ResTable_config)+4, |
| endPos, "ResTable_type"); |
| if (err != NO_ERROR) { |
| return (mError=err); |
| } |
| |
| const size_t typeSize = dtohl(type->header.size); |
| |
| LOAD_TABLE_NOISY(printf("Type off %p: type=0x%x, headerSize=0x%x, size=%p\n", |
| (void*)(base-(const uint8_t*)chunk), |
| dtohs(type->header.type), |
| dtohs(type->header.headerSize), |
| (void*)typeSize)); |
| if (dtohs(type->header.headerSize)+(sizeof(uint32_t)*dtohl(type->entryCount)) |
| > typeSize) { |
| ALOGW("ResTable_type entry index to %p extends beyond chunk end %p.", |
| (void*)(dtohs(type->header.headerSize) |
| +(sizeof(uint32_t)*dtohl(type->entryCount))), |
| (void*)typeSize); |
| return (mError=BAD_TYPE); |
| } |
| if (dtohl(type->entryCount) != 0 |
| && dtohl(type->entriesStart) > (typeSize-sizeof(ResTable_entry))) { |
| ALOGW("ResTable_type entriesStart at %p extends beyond chunk end %p.", |
| (void*)dtohl(type->entriesStart), (void*)typeSize); |
| return (mError=BAD_TYPE); |
| } |
| if (type->id == 0) { |
| ALOGW("ResTable_type has an id of 0."); |
| return (mError=BAD_TYPE); |
| } |
| |
| while (package->types.size() < type->id) { |
| package->types.add(NULL); |
| } |
| Type* t = package->types[type->id-1]; |
| if (t == NULL) { |
| t = new Type(header, package, dtohl(type->entryCount)); |
| package->types.editItemAt(type->id-1) = t; |
| } else if (dtohl(type->entryCount) != t->entryCount) { |
| ALOGW("ResTable_type entry count inconsistent: given %d, previously %d", |
| (int)dtohl(type->entryCount), (int)t->entryCount); |
| return (mError=BAD_TYPE); |
| } |
| |
| TABLE_GETENTRY( |
| ResTable_config thisConfig; |
| thisConfig.copyFromDtoH(type->config); |
| ALOGI("Adding config to type %d: %s\n", |
| type->id, thisConfig.toString().string())); |
| t->configs.add(type); |
| } else { |
| status_t err = validate_chunk(chunk, sizeof(ResChunk_header), |
| endPos, "ResTable_package:unknown"); |
| if (err != NO_ERROR) { |
| return (mError=err); |
| } |
| } |
| chunk = (const ResChunk_header*) |
| (((const uint8_t*)chunk) + csize); |
| } |
| |
| if (group->typeCount == 0) { |
| group->typeCount = package->types.size(); |
| } |
| |
| return NO_ERROR; |
| } |
| |
| status_t ResTable::createIdmap(const ResTable& overlay, uint32_t originalCrc, uint32_t overlayCrc, |
| void** outData, size_t* outSize) const |
| { |
| // see README for details on the format of map |
| if (mPackageGroups.size() == 0) { |
| return UNKNOWN_ERROR; |
| } |
| if (mPackageGroups[0]->packages.size() == 0) { |
| return UNKNOWN_ERROR; |
| } |
| |
| Vector<Vector<uint32_t> > map; |
| const PackageGroup* pg = mPackageGroups[0]; |
| const Package* pkg = pg->packages[0]; |
| size_t typeCount = pkg->types.size(); |
| // starting size is header + first item (number of types in map) |
| *outSize = (IDMAP_HEADER_SIZE + 1) * sizeof(uint32_t); |
| const String16 overlayPackage(overlay.mPackageGroups[0]->packages[0]->package->name); |
| const uint32_t pkg_id = pkg->package->id << 24; |
| |
| for (size_t typeIndex = 0; typeIndex < typeCount; ++typeIndex) { |
| ssize_t first = -1; |
| ssize_t last = -1; |
| const Type* typeConfigs = pkg->getType(typeIndex); |
| ssize_t mapIndex = map.add(); |
| if (mapIndex < 0) { |
| return NO_MEMORY; |
| } |
| Vector<uint32_t>& vector = map.editItemAt(mapIndex); |
| for (size_t entryIndex = 0; entryIndex < typeConfigs->entryCount; ++entryIndex) { |
| uint32_t resID = pkg_id |
| | (0x00ff0000 & ((typeIndex+1)<<16)) |
| | (0x0000ffff & (entryIndex)); |
| resource_name resName; |
| if (!this->getResourceName(resID, &resName)) { |
| ALOGW("idmap: resource 0x%08x has spec but lacks values, skipping\n", resID); |
| // add dummy value, or trimming leading/trailing zeroes later will fail |
| vector.push(0); |
| continue; |
| } |
| |
| const String16 overlayType(resName.type, resName.typeLen); |
| const String16 overlayName(resName.name, resName.nameLen); |
| uint32_t overlayResID = overlay.identifierForName(overlayName.string(), |
| overlayName.size(), |
| overlayType.string(), |
| overlayType.size(), |
| overlayPackage.string(), |
| overlayPackage.size()); |
| if (overlayResID != 0) { |
| overlayResID = pkg_id | (0x00ffffff & overlayResID); |
| last = Res_GETENTRY(resID); |
| if (first == -1) { |
| first = Res_GETENTRY(resID); |
| } |
| } |
| vector.push(overlayResID); |
| #if 0 |
| if (overlayResID != 0) { |
| ALOGD("%s/%s 0x%08x -> 0x%08x\n", |
| String8(String16(resName.type)).string(), |
| String8(String16(resName.name)).string(), |
| resID, overlayResID); |
| } |
| #endif |
| } |
| |
| if (first != -1) { |
| // shave off trailing entries which lack overlay values |
| const size_t last_past_one = last + 1; |
| if (last_past_one < vector.size()) { |
| vector.removeItemsAt(last_past_one, vector.size() - last_past_one); |
| } |
| // shave off leading entries which lack overlay values |
| vector.removeItemsAt(0, first); |
| // store offset to first overlaid resource ID of this type |
| vector.insertAt((uint32_t)first, 0, 1); |
| // reserve space for number and offset of entries, and the actual entries |
| *outSize += (2 + vector.size()) * sizeof(uint32_t); |
| } else { |
| // no entries of current type defined in overlay package |
| vector.clear(); |
| // reserve space for type offset |
| *outSize += 1 * sizeof(uint32_t); |
| } |
| } |
| |
| if ((*outData = malloc(*outSize)) == NULL) { |
| return NO_MEMORY; |
| } |
| uint32_t* data = (uint32_t*)*outData; |
| *data++ = htodl(IDMAP_MAGIC); |
| *data++ = htodl(originalCrc); |
| *data++ = htodl(overlayCrc); |
| const size_t mapSize = map.size(); |
| *data++ = htodl(mapSize); |
| size_t offset = mapSize; |
| for (size_t i = 0; i < mapSize; ++i) { |
| const Vector<uint32_t>& vector = map.itemAt(i); |
| const size_t N = vector.size(); |
| if (N == 0) { |
| *data++ = htodl(0); |
| } else { |
| offset++; |
| *data++ = htodl(offset); |
| offset += N; |
| } |
| } |
| for (size_t i = 0; i < mapSize; ++i) { |
| const Vector<uint32_t>& vector = map.itemAt(i); |
| const size_t N = vector.size(); |
| if (N == 0) { |
| continue; |
| } |
| if (N == 1) { // vector expected to hold (offset) + (N > 0 entries) |
| ALOGW("idmap: type %d supposedly has entries, but no entries found\n", i); |
| return UNKNOWN_ERROR; |
| } |
| *data++ = htodl(N - 1); // do not count the offset (which is vector's first element) |
| for (size_t j = 0; j < N; ++j) { |
| const uint32_t& overlayResID = vector.itemAt(j); |
| *data++ = htodl(overlayResID); |
| } |
| } |
| |
| return NO_ERROR; |
| } |
| |
| bool ResTable::getIdmapInfo(const void* idmap, size_t sizeBytes, |
| uint32_t* pOriginalCrc, uint32_t* pOverlayCrc) |
| { |
| const uint32_t* map = (const uint32_t*)idmap; |
| if (!assertIdmapHeader(map, sizeBytes)) { |
| return false; |
| } |
| *pOriginalCrc = map[1]; |
| *pOverlayCrc = map[2]; |
| return true; |
| } |
| |
| |
| #ifndef HAVE_ANDROID_OS |
| #define CHAR16_TO_CSTR(c16, len) (String8(String16(c16,len)).string()) |
| |
| #define CHAR16_ARRAY_EQ(constant, var, len) \ |
| ((len == (sizeof(constant)/sizeof(constant[0]))) && (0 == memcmp((var), (constant), (len)))) |
| |
| void print_complex(uint32_t complex, bool isFraction) |
| { |
| const float MANTISSA_MULT = |
| 1.0f / (1<<Res_value::COMPLEX_MANTISSA_SHIFT); |
| const float RADIX_MULTS[] = { |
| 1.0f*MANTISSA_MULT, 1.0f/(1<<7)*MANTISSA_MULT, |
| 1.0f/(1<<15)*MANTISSA_MULT, 1.0f/(1<<23)*MANTISSA_MULT |
| }; |
| |
| float value = (complex&(Res_value::COMPLEX_MANTISSA_MASK |
| <<Res_value::COMPLEX_MANTISSA_SHIFT)) |
| * RADIX_MULTS[(complex>>Res_value::COMPLEX_RADIX_SHIFT) |
| & Res_value::COMPLEX_RADIX_MASK]; |
| printf("%f", value); |
| |
| if (!isFraction) { |
| switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { |
| case Res_value::COMPLEX_UNIT_PX: printf("px"); break; |
| case Res_value::COMPLEX_UNIT_DIP: printf("dp"); break; |
| case Res_value::COMPLEX_UNIT_SP: printf("sp"); break; |
| case Res_value::COMPLEX_UNIT_PT: printf("pt"); break; |
| case Res_value::COMPLEX_UNIT_IN: printf("in"); break; |
| case Res_value::COMPLEX_UNIT_MM: printf("mm"); break; |
| default: printf(" (unknown unit)"); break; |
| } |
| } else { |
| switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { |
| case Res_value::COMPLEX_UNIT_FRACTION: printf("%%"); break; |
| case Res_value::COMPLEX_UNIT_FRACTION_PARENT: printf("%%p"); break; |
| default: printf(" (unknown unit)"); break; |
| } |
| } |
| } |
| |
| // Normalize a string for output |
| String8 ResTable::normalizeForOutput( const char *input ) |
| { |
| String8 ret; |
| char buff[2]; |
| buff[1] = '\0'; |
| |
| while (*input != '\0') { |
| switch (*input) { |
| // All interesting characters are in the ASCII zone, so we are making our own lives |
| // easier by scanning the string one byte at a time. |
| case '\\': |
| ret += "\\\\"; |
| break; |
| case '\n': |
| ret += "\\n"; |
| break; |
| case '"': |
| ret += "\\\""; |
| break; |
| default: |
| buff[0] = *input; |
| ret += buff; |
| break; |
| } |
| |
| input++; |
| } |
| |
| return ret; |
| } |
| |
| void ResTable::print_value(const Package* pkg, const Res_value& value) const |
| { |
| if (value.dataType == Res_value::TYPE_NULL) { |
| printf("(null)\n"); |
| } else if (value.dataType == Res_value::TYPE_REFERENCE) { |
| printf("(reference) 0x%08x\n", value.data); |
| } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) { |
| printf("(attribute) 0x%08x\n", value.data); |
| } else if (value.dataType == Res_value::TYPE_STRING) { |
| size_t len; |
| const char* str8 = pkg->header->values.string8At( |
| value.data, &len); |
| if (str8 != NULL) { |
| printf("(string8) \"%s\"\n", normalizeForOutput(str8).string()); |
| } else { |
| const char16_t* str16 = pkg->header->values.stringAt( |
| value.data, &len); |
| if (str16 != NULL) { |
| printf("(string16) \"%s\"\n", |
| normalizeForOutput(String8(str16, len).string()).string()); |
| } else { |
| printf("(string) null\n"); |
| } |
| } |
| } else if (value.dataType == Res_value::TYPE_FLOAT) { |
| printf("(float) %g\n", *(const float*)&value.data); |
| } else if (value.dataType == Res_value::TYPE_DIMENSION) { |
| printf("(dimension) "); |
| print_complex(value.data, false); |
| printf("\n"); |
| } else if (value.dataType == Res_value::TYPE_FRACTION) { |
| printf("(fraction) "); |
| print_complex(value.data, true); |
| printf("\n"); |
| } else if (value.dataType >= Res_value::TYPE_FIRST_COLOR_INT |
| || value.dataType <= Res_value::TYPE_LAST_COLOR_INT) { |
| printf("(color) #%08x\n", value.data); |
| } else if (value.dataType == Res_value::TYPE_INT_BOOLEAN) { |
| printf("(boolean) %s\n", value.data ? "true" : "false"); |
| } else if (value.dataType >= Res_value::TYPE_FIRST_INT |
| || value.dataType <= Res_value::TYPE_LAST_INT) { |
| printf("(int) 0x%08x or %d\n", value.data, value.data); |
| } else { |
| printf("(unknown type) t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)\n", |
| (int)value.dataType, (int)value.data, |
| (int)value.size, (int)value.res0); |
| } |
| } |
| |
| void ResTable::print(bool inclValues) const |
| { |
| if (mError != 0) { |
| printf("mError=0x%x (%s)\n", mError, strerror(mError)); |
| } |
| #if 0 |
| printf("mParams=%c%c-%c%c,\n", |
| mParams.language[0], mParams.language[1], |
| mParams.country[0], mParams.country[1]); |
| #endif |
| size_t pgCount = mPackageGroups.size(); |
| printf("Package Groups (%d)\n", (int)pgCount); |
| for (size_t pgIndex=0; pgIndex<pgCount; pgIndex++) { |
| const PackageGroup* pg = mPackageGroups[pgIndex]; |
| printf("Package Group %d id=%d packageCount=%d name=%s\n", |
| (int)pgIndex, pg->id, (int)pg->packages.size(), |
| String8(pg->name).string()); |
| |
| size_t pkgCount = pg->packages.size(); |
| for (size_t pkgIndex=0; pkgIndex<pkgCount; pkgIndex++) { |
| const Package* pkg = pg->packages[pkgIndex]; |
| size_t typeCount = pkg->types.size(); |
| printf(" Package %d id=%d name=%s typeCount=%d\n", (int)pkgIndex, |
| pkg->package->id, String8(String16(pkg->package->name)).string(), |
| (int)typeCount); |
| for (size_t typeIndex=0; typeIndex<typeCount; typeIndex++) { |
| const Type* typeConfigs = pkg->getType(typeIndex); |
| if (typeConfigs == NULL) { |
| printf(" type %d NULL\n", (int)typeIndex); |
| continue; |
| } |
| const size_t NTC = typeConfigs->configs.size(); |
| printf(" type %d configCount=%d entryCount=%d\n", |
| (int)typeIndex, (int)NTC, (int)typeConfigs->entryCount); |
| if (typeConfigs->typeSpecFlags != NULL) { |
| for (size_t entryIndex=0; entryIndex<typeConfigs->entryCount; entryIndex++) { |
| uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) |
| | (0x00ff0000 & ((typeIndex+1)<<16)) |
| | (0x0000ffff & (entryIndex)); |
| resource_name resName; |
| if (this->getResourceName(resID, &resName)) { |
| printf(" spec resource 0x%08x %s:%s/%s: flags=0x%08x\n", |
| resID, |
| CHAR16_TO_CSTR(resName.package, resName.packageLen), |
| CHAR16_TO_CSTR(resName.type, resName.typeLen), |
| CHAR16_TO_CSTR(resName.name, resName.nameLen), |
| dtohl(typeConfigs->typeSpecFlags[entryIndex])); |
| } else { |
| printf(" INVALID TYPE CONFIG FOR RESOURCE 0x%08x\n", resID); |
| } |
| } |
| } |
| for (size_t configIndex=0; configIndex<NTC; configIndex++) { |
| const ResTable_type* type = typeConfigs->configs[configIndex]; |
| if ((((uint64_t)type)&0x3) != 0) { |
| printf(" NON-INTEGER ResTable_type ADDRESS: %p\n", type); |
| continue; |
| } |
| String8 configStr = type->config.toString(); |
| printf(" config %s:\n", configStr.size() > 0 |
| ? configStr.string() : "(default)"); |
| size_t entryCount = dtohl(type->entryCount); |
| uint32_t entriesStart = dtohl(type->entriesStart); |
| if ((entriesStart&0x3) != 0) { |
| printf(" NON-INTEGER ResTable_type entriesStart OFFSET: %p\n", (void*)entriesStart); |
| continue; |
| } |
| uint32_t typeSize = dtohl(type->header.size); |
| if ((typeSize&0x3) != 0) { |
| printf(" NON-INTEGER ResTable_type header.size: %p\n", (void*)typeSize); |
| continue; |
| } |
| for (size_t entryIndex=0; entryIndex<entryCount; entryIndex++) { |
| |
| const uint8_t* const end = ((const uint8_t*)type) |
| + dtohl(type->header.size); |
| const uint32_t* const eindex = (const uint32_t*) |
| (((const uint8_t*)type) + dtohs(type->header.headerSize)); |
| |
| uint32_t thisOffset = dtohl(eindex[entryIndex]); |
| if (thisOffset == ResTable_type::NO_ENTRY) { |
| continue; |
| } |
| |
| uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) |
| | (0x00ff0000 & ((typeIndex+1)<<16)) |
| | (0x0000ffff & (entryIndex)); |
| resource_name resName; |
| if (this->getResourceName(resID, &resName)) { |
| printf(" resource 0x%08x %s:%s/%s: ", resID, |
| CHAR16_TO_CSTR(resName.package, resName.packageLen), |
| CHAR16_TO_CSTR(resName.type, resName.typeLen), |
| CHAR16_TO_CSTR(resName.name, resName.nameLen)); |
| } else { |
| printf(" INVALID RESOURCE 0x%08x: ", resID); |
| } |
| if ((thisOffset&0x3) != 0) { |
| printf("NON-INTEGER OFFSET: %p\n", (void*)thisOffset); |
| continue; |
| } |
| if ((thisOffset+sizeof(ResTable_entry)) > typeSize) { |
| printf("OFFSET OUT OF BOUNDS: %p+%p (size is %p)\n", |
| (void*)entriesStart, (void*)thisOffset, |
| (void*)typeSize); |
| continue; |
| } |
| |
| const ResTable_entry* ent = (const ResTable_entry*) |
| (((const uint8_t*)type) + entriesStart + thisOffset); |
| if (((entriesStart + thisOffset)&0x3) != 0) { |
| printf("NON-INTEGER ResTable_entry OFFSET: %p\n", |
| (void*)(entriesStart + thisOffset)); |
| continue; |
| } |
| |
| uint16_t esize = dtohs(ent->size); |
| if ((esize&0x3) != 0) { |
| printf("NON-INTEGER ResTable_entry SIZE: %p\n", (void*)esize); |
| continue; |
| } |
| if ((thisOffset+esize) > typeSize) { |
| printf("ResTable_entry OUT OF BOUNDS: %p+%p+%p (size is %p)\n", |
| (void*)entriesStart, (void*)thisOffset, |
| (void*)esize, (void*)typeSize); |
| continue; |
| } |
| |
| const Res_value* valuePtr = NULL; |
| const ResTable_map_entry* bagPtr = NULL; |
| Res_value value; |
| if ((dtohs(ent->flags)&ResTable_entry::FLAG_COMPLEX) != 0) { |
| printf("<bag>"); |
| bagPtr = (const ResTable_map_entry*)ent; |
| } else { |
| valuePtr = (const Res_value*) |
| (((const uint8_t*)ent) + esize); |
| value.copyFrom_dtoh(*valuePtr); |
| printf("t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)", |
| (int)value.dataType, (int)value.data, |
| (int)value.size, (int)value.res0); |
| } |
| |
| if ((dtohs(ent->flags)&ResTable_entry::FLAG_PUBLIC) != 0) { |
| printf(" (PUBLIC)"); |
| } |
| printf("\n"); |
| |
| if (inclValues) { |
| if (valuePtr != NULL) { |
| printf(" "); |
| print_value(pkg, value); |
| } else if (bagPtr != NULL) { |
| const int N = dtohl(bagPtr->count); |
| const uint8_t* baseMapPtr = (const uint8_t*)ent; |
| size_t mapOffset = esize; |
| const ResTable_map* mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); |
| printf(" Parent=0x%08x, Count=%d\n", |
| dtohl(bagPtr->parent.ident), N); |
| for (int i=0; i<N && mapOffset < (typeSize-sizeof(ResTable_map)); i++) { |
| printf(" #%i (Key=0x%08x): ", |
| i, dtohl(mapPtr->name.ident)); |
| value.copyFrom_dtoh(mapPtr->value); |
| print_value(pkg, value); |
| const size_t size = dtohs(mapPtr->value.size); |
| mapOffset += size + sizeof(*mapPtr)-sizeof(mapPtr->value); |
| mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| #endif // HAVE_ANDROID_OS |
| |
| } // namespace android |