| /* |
| * 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 <ctype.h> |
| #include <memory.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <algorithm> |
| #include <limits> |
| #include <memory> |
| #include <type_traits> |
| |
| #include <androidfw/ByteBucketArray.h> |
| #include <androidfw/ResourceTypes.h> |
| #include <androidfw/TypeWrappers.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> |
| |
| #ifdef __ANDROID__ |
| #include <binder/TextOutput.h> |
| #endif |
| |
| #ifndef INT32_MAX |
| #define INT32_MAX ((int32_t)(2147483647)) |
| #endif |
| |
| namespace android { |
| |
| #if defined(_WIN32) |
| #undef nhtol |
| #undef htonl |
| #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) |
| #endif |
| |
| #define IDMAP_MAGIC 0x504D4449 |
| #define IDMAP_CURRENT_VERSION 0x00000001 |
| |
| #define APP_PACKAGE_ID 0x7f |
| #define SYS_PACKAGE_ID 0x01 |
| |
| static const bool kDebugStringPoolNoisy = false; |
| static const bool kDebugXMLNoisy = false; |
| static const bool kDebugTableNoisy = false; |
| static const bool kDebugTableGetEntry = false; |
| static const bool kDebugTableSuperNoisy = false; |
| static const bool kDebugLoadTableNoisy = false; |
| static const bool kDebugLoadTableSuperNoisy = false; |
| static const bool kDebugTableTheme = false; |
| static const bool kDebugResXMLTree = false; |
| static const bool kDebugLibNoisy = false; |
| |
| // TODO: This code uses 0xFFFFFFFF converted to bag_set* as a sentinel value. This is bad practice. |
| |
| // 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)); |
| } |
| |
| template<typename T> |
| inline static T max(T a, T b) { |
| return a > b ? a : b; |
| } |
| |
| // 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(char16_t* dst, const uint16_t* src, size_t avail) |
| { |
| char16_t* last = dst + avail - 1; |
| while (*src && (dst < last)) { |
| char16_t s = dtohs(static_cast<char16_t>(*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 ((size_t)size <= (size_t)(dataEnd-((const uint8_t*)chunk))) { |
| return NO_ERROR; |
| } |
| ALOGW("%s data size 0x%x extends beyond resource end %p.", |
| name, 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 0x%x is smaller than header size 0x%x.", |
| name, size, headerSize); |
| return BAD_TYPE; |
| } |
| ALOGW("%s header size 0x%04x is too small.", |
| name, headerSize); |
| return BAD_TYPE; |
| } |
| |
| static void fill9patchOffsets(Res_png_9patch* patch) { |
| patch->xDivsOffset = sizeof(Res_png_9patch); |
| patch->yDivsOffset = patch->xDivsOffset + (patch->numXDivs * sizeof(int32_t)); |
| patch->colorsOffset = patch->yDivsOffset + (patch->numYDivs * sizeof(int32_t)); |
| } |
| |
| 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() |
| { |
| int32_t* xDivs = getXDivs(); |
| for (int i = 0; i < numXDivs; i++) { |
| xDivs[i] = htonl(xDivs[i]); |
| } |
| int32_t* yDivs = getYDivs(); |
| for (int i = 0; i < numYDivs; i++) { |
| yDivs[i] = htonl(yDivs[i]); |
| } |
| paddingLeft = htonl(paddingLeft); |
| paddingRight = htonl(paddingRight); |
| paddingTop = htonl(paddingTop); |
| paddingBottom = htonl(paddingBottom); |
| uint32_t* colors = getColors(); |
| for (int i=0; i<numColors; i++) { |
| colors[i] = htonl(colors[i]); |
| } |
| } |
| |
| void Res_png_9patch::fileToDevice() |
| { |
| int32_t* xDivs = getXDivs(); |
| for (int i = 0; i < numXDivs; i++) { |
| xDivs[i] = ntohl(xDivs[i]); |
| } |
| int32_t* yDivs = getYDivs(); |
| for (int i = 0; i < numYDivs; i++) { |
| yDivs[i] = ntohl(yDivs[i]); |
| } |
| paddingLeft = ntohl(paddingLeft); |
| paddingRight = ntohl(paddingRight); |
| paddingTop = ntohl(paddingTop); |
| paddingBottom = ntohl(paddingBottom); |
| uint32_t* colors = getColors(); |
| for (int i=0; i<numColors; i++) { |
| colors[i] = ntohl(colors[i]); |
| } |
| } |
| |
| size_t Res_png_9patch::serializedSize() const |
| { |
| // The size of this struct is 32 bytes on the 32-bit target system |
| // 4 * int8_t |
| // 4 * int32_t |
| // 3 * uint32_t |
| return 32 |
| + numXDivs * sizeof(int32_t) |
| + numYDivs * sizeof(int32_t) |
| + numColors * sizeof(uint32_t); |
| } |
| |
| void* Res_png_9patch::serialize(const Res_png_9patch& patch, const int32_t* xDivs, |
| const int32_t* yDivs, const uint32_t* colors) |
| { |
| // 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, patch.serializedSize()); |
| serialize(patch, xDivs, yDivs, colors, newData); |
| return newData; |
| } |
| |
| void Res_png_9patch::serialize(const Res_png_9patch& patch, const int32_t* xDivs, |
| const int32_t* yDivs, const uint32_t* colors, void* outData) |
| { |
| uint8_t* data = (uint8_t*) outData; |
| memcpy(data, &patch.wasDeserialized, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors |
| memcpy(data + 12, &patch.paddingLeft, 16); // copy paddingXXXX |
| data += 32; |
| |
| memcpy(data, xDivs, patch.numXDivs * sizeof(int32_t)); |
| data += patch.numXDivs * sizeof(int32_t); |
| memcpy(data, yDivs, patch.numYDivs * sizeof(int32_t)); |
| data += patch.numYDivs * sizeof(int32_t); |
| memcpy(data, colors, patch.numColors * sizeof(uint32_t)); |
| |
| fill9patchOffsets(reinterpret_cast<Res_png_9patch*>(outData)); |
| } |
| |
| static bool assertIdmapHeader(const void* idmap, size_t size) { |
| if (reinterpret_cast<uintptr_t>(idmap) & 0x03) { |
| ALOGE("idmap: header is not word aligned"); |
| return false; |
| } |
| |
| if (size < ResTable::IDMAP_HEADER_SIZE_BYTES) { |
| ALOGW("idmap: header too small (%d bytes)", (uint32_t) size); |
| return false; |
| } |
| |
| const uint32_t magic = htodl(*reinterpret_cast<const uint32_t*>(idmap)); |
| if (magic != IDMAP_MAGIC) { |
| ALOGW("idmap: no magic found in header (is 0x%08x, expected 0x%08x)", |
| magic, IDMAP_MAGIC); |
| return false; |
| } |
| |
| const uint32_t version = htodl(*(reinterpret_cast<const uint32_t*>(idmap) + 1)); |
| if (version != IDMAP_CURRENT_VERSION) { |
| // We are strict about versions because files with this format are |
| // auto-generated and don't need backwards compatibility. |
| ALOGW("idmap: version mismatch in header (is 0x%08x, expected 0x%08x)", |
| version, IDMAP_CURRENT_VERSION); |
| return false; |
| } |
| return true; |
| } |
| |
| class IdmapEntries { |
| public: |
| IdmapEntries() : mData(NULL) {} |
| |
| bool hasEntries() const { |
| if (mData == NULL) { |
| return false; |
| } |
| |
| return (dtohs(*mData) > 0); |
| } |
| |
| size_t byteSize() const { |
| if (mData == NULL) { |
| return 0; |
| } |
| uint16_t entryCount = dtohs(mData[2]); |
| return (sizeof(uint16_t) * 4) + (sizeof(uint32_t) * static_cast<size_t>(entryCount)); |
| } |
| |
| uint8_t targetTypeId() const { |
| if (mData == NULL) { |
| return 0; |
| } |
| return dtohs(mData[0]); |
| } |
| |
| uint8_t overlayTypeId() const { |
| if (mData == NULL) { |
| return 0; |
| } |
| return dtohs(mData[1]); |
| } |
| |
| status_t setTo(const void* entryHeader, size_t size) { |
| if (reinterpret_cast<uintptr_t>(entryHeader) & 0x03) { |
| ALOGE("idmap: entry header is not word aligned"); |
| return UNKNOWN_ERROR; |
| } |
| |
| if (size < sizeof(uint16_t) * 4) { |
| ALOGE("idmap: entry header is too small (%u bytes)", (uint32_t) size); |
| return UNKNOWN_ERROR; |
| } |
| |
| const uint16_t* header = reinterpret_cast<const uint16_t*>(entryHeader); |
| const uint16_t targetTypeId = dtohs(header[0]); |
| const uint16_t overlayTypeId = dtohs(header[1]); |
| if (targetTypeId == 0 || overlayTypeId == 0 || targetTypeId > 255 || overlayTypeId > 255) { |
| ALOGE("idmap: invalid type map (%u -> %u)", targetTypeId, overlayTypeId); |
| return UNKNOWN_ERROR; |
| } |
| |
| uint16_t entryCount = dtohs(header[2]); |
| if (size < sizeof(uint32_t) * (entryCount + 2)) { |
| ALOGE("idmap: too small (%u bytes) for the number of entries (%u)", |
| (uint32_t) size, (uint32_t) entryCount); |
| return UNKNOWN_ERROR; |
| } |
| mData = header; |
| return NO_ERROR; |
| } |
| |
| status_t lookup(uint16_t entryId, uint16_t* outEntryId) const { |
| uint16_t entryCount = dtohs(mData[2]); |
| uint16_t offset = dtohs(mData[3]); |
| |
| if (entryId < offset) { |
| // The entry is not present in this idmap |
| return BAD_INDEX; |
| } |
| |
| entryId -= offset; |
| |
| if (entryId >= entryCount) { |
| // The entry is not present in this idmap |
| return BAD_INDEX; |
| } |
| |
| // It is safe to access the type here without checking the size because |
| // we have checked this when it was first loaded. |
| const uint32_t* entries = reinterpret_cast<const uint32_t*>(mData) + 2; |
| uint32_t mappedEntry = dtohl(entries[entryId]); |
| if (mappedEntry == 0xffffffff) { |
| // This entry is not present in this idmap |
| return BAD_INDEX; |
| } |
| *outEntryId = static_cast<uint16_t>(mappedEntry); |
| return NO_ERROR; |
| } |
| |
| private: |
| const uint16_t* mData; |
| }; |
| |
| status_t parseIdmap(const void* idmap, size_t size, uint8_t* outPackageId, KeyedVector<uint8_t, IdmapEntries>* outMap) { |
| if (!assertIdmapHeader(idmap, size)) { |
| return UNKNOWN_ERROR; |
| } |
| |
| size -= ResTable::IDMAP_HEADER_SIZE_BYTES; |
| if (size < sizeof(uint16_t) * 2) { |
| ALOGE("idmap: too small to contain any mapping"); |
| return UNKNOWN_ERROR; |
| } |
| |
| const uint16_t* data = reinterpret_cast<const uint16_t*>( |
| reinterpret_cast<const uint8_t*>(idmap) + ResTable::IDMAP_HEADER_SIZE_BYTES); |
| |
| uint16_t targetPackageId = dtohs(*(data++)); |
| if (targetPackageId == 0 || targetPackageId > 255) { |
| ALOGE("idmap: target package ID is invalid (%02x)", targetPackageId); |
| return UNKNOWN_ERROR; |
| } |
| |
| uint16_t mapCount = dtohs(*(data++)); |
| if (mapCount == 0) { |
| ALOGE("idmap: no mappings"); |
| return UNKNOWN_ERROR; |
| } |
| |
| if (mapCount > 255) { |
| ALOGW("idmap: too many mappings. Only 255 are possible but %u are present", (uint32_t) mapCount); |
| } |
| |
| while (size > sizeof(uint16_t) * 4) { |
| IdmapEntries entries; |
| status_t err = entries.setTo(data, size); |
| if (err != NO_ERROR) { |
| return err; |
| } |
| |
| ssize_t index = outMap->add(entries.overlayTypeId(), entries); |
| if (index < 0) { |
| return NO_MEMORY; |
| } |
| |
| data += entries.byteSize() / sizeof(uint16_t); |
| size -= entries.byteSize(); |
| } |
| |
| if (outPackageId != NULL) { |
| *outPackageId = static_cast<uint8_t>(targetPackageId); |
| } |
| return NO_ERROR; |
| } |
| |
| Res_png_9patch* Res_png_9patch::deserialize(void* inData) |
| { |
| |
| Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(inData); |
| patch->wasDeserialized = true; |
| fill9patchOffsets(patch); |
| |
| return patch; |
| } |
| |
| // -------------------------------------------------------------------- |
| // -------------------------------------------------------------------- |
| // -------------------------------------------------------------------- |
| |
| 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(); |
| } |
| |
| void ResStringPool::setToEmpty() |
| { |
| uninit(); |
| |
| mOwnedData = calloc(1, sizeof(ResStringPool_header)); |
| ResStringPool_header* header = (ResStringPool_header*) mOwnedData; |
| mSize = 0; |
| mEntries = NULL; |
| mStrings = NULL; |
| mStringPoolSize = 0; |
| mEntryStyles = NULL; |
| mStyles = NULL; |
| mStylePoolSize = 0; |
| mHeader = (const ResStringPool_header*) header; |
| } |
| |
| 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); |
| } else { |
| charSize = sizeof(uint16_t); |
| } |
| |
| // There should be at least space for the smallest string |
| // (2 bytes length, null terminator). |
| if (mHeader->stringsStart >= (mSize - 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); |
| } |
| |
| mStrings = (const void*) |
| (((const uint8_t*)data) + mHeader->stringsStart); |
| |
| if (mHeader->styleCount == 0) { |
| mStringPoolSize = (mSize - mHeader->stringsStart) / charSize; |
| } else { |
| // check invariant: styles starts before end of data |
| if (mHeader->stylesStart >= (mSize - 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 uint16_t* strings = (const uint16_t*)mStrings; |
| uint16_t* s = const_cast<uint16_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) && |
| ((uint16_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 uint16_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 char16_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(uint8_t):sizeof(uint16_t)); |
| if (off < (mStringPoolSize-1)) { |
| if (!isUTF8) { |
| const uint16_t* strings = (uint16_t*)mStrings; |
| const uint16_t* str = strings+off; |
| |
| *u16len = decodeLength(&str); |
| if ((uint32_t)(str+*u16len-strings) < mStringPoolSize) { |
| // Reject malformed (non null-terminated) strings |
| if (str[*u16len] != 0x0000) { |
| ALOGW("Bad string block: string #%d is not null-terminated", |
| (int)idx); |
| return NULL; |
| } |
| return reinterpret_cast<const char16_t*>(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 == NULL) { |
| #ifndef __ANDROID__ |
| if (kDebugStringPoolNoisy) { |
| ALOGI("CREATING STRING CACHE OF %zu bytes", |
| mHeader->stringCount*sizeof(char16_t**)); |
| } |
| #else |
| // We do not want to be in this case when actually running Android. |
| ALOGW("CREATING STRING CACHE OF %zu bytes", |
| static_cast<size_t>(mHeader->stringCount*sizeof(char16_t**))); |
| #endif |
| mCache = (char16_t**)calloc(mHeader->stringCount, sizeof(char16_t*)); |
| if (mCache == NULL) { |
| ALOGW("No memory trying to allocate decode cache table of %d bytes\n", |
| (int)(mHeader->stringCount*sizeof(char16_t**))); |
| return NULL; |
| } |
| } |
| |
| 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; |
| } |
| |
| // Reject malformed (non null-terminated) strings |
| if (u8str[u8len] != 0x00) { |
| ALOGW("Bad string block: string #%d is not null-terminated", |
| (int)idx); |
| 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; |
| } |
| |
| if (kDebugStringPoolNoisy) { |
| ALOGI("Caching UTF8 string: %s", u8str); |
| } |
| utf8_to_utf16(u8str, u8len, u16str, *u16len + 1); |
| 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) { |
| if ((mHeader->flags&ResStringPool_header::UTF8_FLAG) == 0) { |
| return NULL; |
| } |
| const uint32_t off = mEntries[idx]/sizeof(char); |
| if (off < (mStringPoolSize-1)) { |
| const uint8_t* strings = (uint8_t*)mStrings; |
| const uint8_t* str = strings+off; |
| |
| // Decode the UTF-16 length. This is not used if we're not |
| // converting to UTF-16 from UTF-8. |
| decodeLength(&str); |
| |
| const size_t encLen = decodeLength(&str); |
| *outLen = encLen; |
| |
| 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 = string8At(idx, &len); |
| if (str != NULL) { |
| return String8(str, len); |
| } |
| |
| const char16_t *str16 = stringAt(idx, &len); |
| if (str16 != NULL) { |
| return String8(str16, len); |
| } |
| return String8(); |
| } |
| |
| 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; |
| |
| if ((mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0) { |
| if (kDebugStringPoolNoisy) { |
| ALOGI("indexOfString UTF-8: %s", String8(str, strLen).string()); |
| } |
| |
| // The string pool contains UTF 8 strings; we don't want to cause |
| // temporary UTF-16 strings to be created as we search. |
| if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { |
| // Do a binary search for the string... this is a little tricky, |
| // because the strings are sorted with strzcmp16(). So to match |
| // the ordering, we need to convert strings in the pool to UTF-16. |
| // But we don't want to hit the cache, so instead we will have a |
| // local temporary allocation for the conversions. |
| size_t convBufferLen = strLen + 4; |
| char16_t* convBuffer = (char16_t*)calloc(convBufferLen, sizeof(char16_t)); |
| ssize_t l = 0; |
| ssize_t h = mHeader->stringCount-1; |
| |
| ssize_t mid; |
| while (l <= h) { |
| mid = l + (h - l)/2; |
| const uint8_t* s = (const uint8_t*)string8At(mid, &len); |
| int c; |
| if (s != NULL) { |
| char16_t* end = utf8_to_utf16(s, len, convBuffer, convBufferLen); |
| c = strzcmp16(convBuffer, end-convBuffer, str, strLen); |
| } else { |
| c = -1; |
| } |
| if (kDebugStringPoolNoisy) { |
| ALOGI("Looking at %s, cmp=%d, l/mid/h=%d/%d/%d\n", |
| (const char*)s, c, (int)l, (int)mid, (int)h); |
| } |
| if (c == 0) { |
| if (kDebugStringPoolNoisy) { |
| ALOGI("MATCH!"); |
| } |
| free(convBuffer); |
| return mid; |
| } else if (c < 0) { |
| l = mid + 1; |
| } else { |
| h = mid - 1; |
| } |
| } |
| free(convBuffer); |
| } 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. |
| String8 str8(str, strLen); |
| const size_t str8Len = str8.size(); |
| for (int i=mHeader->stringCount-1; i>=0; i--) { |
| const char* s = string8At(i, &len); |
| if (kDebugStringPoolNoisy) { |
| ALOGI("Looking at %s, i=%d\n", String8(s).string(), i); |
| } |
| if (s && str8Len == len && memcmp(s, str8.string(), str8Len) == 0) { |
| if (kDebugStringPoolNoisy) { |
| ALOGI("MATCH!"); |
| } |
| return i; |
| } |
| } |
| } |
| |
| } else { |
| if (kDebugStringPoolNoisy) { |
| ALOGI("indexOfString UTF-16: %s", String8(str, strLen).string()); |
| } |
| |
| 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; |
| if (kDebugStringPoolNoisy) { |
| ALOGI("Looking at %s, cmp=%d, l/mid/h=%d/%d/%d\n", |
| String8(s).string(), c, (int)l, (int)mid, (int)h); |
| } |
| if (c == 0) { |
| if (kDebugStringPoolNoisy) { |
| ALOGI("MATCH!"); |
| } |
| 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); |
| if (kDebugStringPoolNoisy) { |
| ALOGI("Looking at %s, i=%d\n", String8(s).string(), i); |
| } |
| if (s && strLen == len && strzcmp16(s, len, str, strLen) == 0) { |
| if (kDebugStringPoolNoisy) { |
| ALOGI("MATCH!"); |
| } |
| 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 char16_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 char16_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 char16_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 char16_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 char16_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 char16_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 char16_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); |
| if (kDebugXMLNoisy) { |
| printf("getAttributeNamespace 0x%zx=0x%x\n", idx, id); |
| } |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| const char* ResXMLParser::getAttributeNamespace8(size_t idx, size_t* outLen) const |
| { |
| int32_t id = getAttributeNamespaceID(idx); |
| //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); |
| if (kDebugXMLNoisy) { |
| printf("getAttributeNamespace 0x%zx=0x%x\n", idx, id); |
| } |
| return id >= 0 ? mTree.mStrings.string8At(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 char16_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); |
| if (kDebugXMLNoisy) { |
| printf("getAttributeName 0x%zx=0x%x\n", idx, id); |
| } |
| return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; |
| } |
| |
| const char* ResXMLParser::getAttributeName8(size_t idx, size_t* outLen) const |
| { |
| int32_t id = getAttributeNameID(idx); |
| //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); |
| if (kDebugXMLNoisy) { |
| printf("getAttributeName 0x%zx=0x%x\n", idx, id); |
| } |
| return id >= 0 ? mTree.mStrings.string8At(id, outLen) : NULL; |
| } |
| |
| uint32_t ResXMLParser::getAttributeNameResID(size_t idx) const |
| { |
| int32_t id = getAttributeNameID(idx); |
| if (id >= 0 && (size_t)id < mTree.mNumResIds) { |
| uint32_t resId = dtohl(mTree.mResIds[id]); |
| if (mTree.mDynamicRefTable != NULL) { |
| mTree.mDynamicRefTable->lookupResourceId(&resId); |
| } |
| return resId; |
| } |
| 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 char16_t* ResXMLParser::getAttributeStringValue(size_t idx, size_t* outLen) const |
| { |
| int32_t id = getAttributeValueStringID(idx); |
| if (kDebugXMLNoisy) { |
| printf("getAttributeValue 0x%zx=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)); |
| uint8_t type = attr->typedValue.dataType; |
| if (type != Res_value::TYPE_DYNAMIC_REFERENCE) { |
| return type; |
| } |
| |
| // This is a dynamic reference. We adjust those references |
| // to regular references at this level, so lie to the caller. |
| return Res_value::TYPE_REFERENCE; |
| } |
| } |
| 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)); |
| if (attr->typedValue.dataType != Res_value::TYPE_DYNAMIC_REFERENCE || |
| mTree.mDynamicRefTable == NULL) { |
| return dtohl(attr->typedValue.data); |
| } |
| |
| uint32_t data = dtohl(attr->typedValue.data); |
| if (mTree.mDynamicRefTable->lookupResourceId(&data) == NO_ERROR) { |
| return 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); |
| if (mTree.mDynamicRefTable != NULL && |
| mTree.mDynamicRefTable->lookupResourceValue(outValue) != NO_ERROR) { |
| return BAD_TYPE; |
| } |
| 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) { |
| if (attr == NULL) { |
| return NAME_NOT_FOUND; |
| } |
| const size_t N = getAttributeCount(); |
| if (mTree.mStrings.isUTF8()) { |
| String8 ns8, attr8; |
| if (ns != NULL) { |
| ns8 = String8(ns, nsLen); |
| } |
| attr8 = String8(attr, attrLen); |
| if (kDebugStringPoolNoisy) { |
| ALOGI("indexOfAttribute UTF8 %s (%zu) / %s (%zu)", ns8.string(), nsLen, |
| attr8.string(), attrLen); |
| } |
| for (size_t i=0; i<N; i++) { |
| size_t curNsLen = 0, curAttrLen = 0; |
| const char* curNs = getAttributeNamespace8(i, &curNsLen); |
| const char* curAttr = getAttributeName8(i, &curAttrLen); |
| if (kDebugStringPoolNoisy) { |
| ALOGI(" curNs=%s (%zu), curAttr=%s (%zu)", curNs, curNsLen, curAttr, curAttrLen); |
| } |
| if (curAttr != NULL && curNsLen == nsLen && curAttrLen == attrLen |
| && memcmp(attr8.string(), curAttr, attrLen) == 0) { |
| if (ns == NULL) { |
| if (curNs == NULL) { |
| if (kDebugStringPoolNoisy) { |
| ALOGI(" FOUND!"); |
| } |
| return i; |
| } |
| } else if (curNs != NULL) { |
| //printf(" --> ns=%s, curNs=%s\n", |
| // String8(ns).string(), String8(curNs).string()); |
| if (memcmp(ns8.string(), curNs, nsLen) == 0) { |
| if (kDebugStringPoolNoisy) { |
| ALOGI(" FOUND!"); |
| } |
| return i; |
| } |
| } |
| } |
| } |
| } else { |
| if (kDebugStringPoolNoisy) { |
| ALOGI("indexOfAttribute UTF16 %s (%zu) / %s (%zu)", |
| String8(ns, nsLen).string(), nsLen, |
| String8(attr, attrLen).string(), attrLen); |
| } |
| for (size_t i=0; i<N; i++) { |
| size_t curNsLen = 0, curAttrLen = 0; |
| const char16_t* curNs = getAttributeNamespace(i, &curNsLen); |
| const char16_t* curAttr = getAttributeName(i, &curAttrLen); |
| if (kDebugStringPoolNoisy) { |
| ALOGI(" curNs=%s (%zu), curAttr=%s (%zu)", |
| String8(curNs, curNsLen).string(), curNsLen, |
| String8(curAttr, curAttrLen).string(), curAttrLen); |
| } |
| if (curAttr != NULL && curNsLen == nsLen && curAttrLen == attrLen |
| && (memcmp(attr, curAttr, attrLen*sizeof(char16_t)) == 0)) { |
| if (ns == NULL) { |
| if (curNs == NULL) { |
| if (kDebugStringPoolNoisy) { |
| ALOGI(" FOUND!"); |
| } |
| return i; |
| } |
| } else if (curNs != NULL) { |
| //printf(" --> ns=%s, curNs=%s\n", |
| // String8(ns).string(), String8(curNs).string()); |
| if (memcmp(ns, curNs, nsLen*sizeof(char16_t)) == 0) { |
| if (kDebugStringPoolNoisy) { |
| ALOGI(" FOUND!"); |
| } |
| 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)); |
| if (kDebugXMLNoisy) { |
| ALOGI("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(const DynamicRefTable* dynamicRefTable) |
| : ResXMLParser(*this) |
| , mDynamicRefTable(dynamicRefTable) |
| , mError(NO_INIT), mOwnedData(NULL) |
| { |
| if (kDebugResXMLTree) { |
| ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); |
| } |
| restart(); |
| } |
| |
| ResXMLTree::ResXMLTree() |
| : ResXMLParser(*this) |
| , mDynamicRefTable(NULL) |
| , mError(NO_INIT), mOwnedData(NULL) |
| { |
| if (kDebugResXMLTree) { |
| ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); |
| } |
| restart(); |
| } |
| |
| ResXMLTree::~ResXMLTree() |
| { |
| if (kDebugResXMLTree) { |
| 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); |
| if (kDebugXMLNoisy) { |
| printf("Scanning @ %p: type=0x%x, size=0x%zx\n", |
| (void*)(((uintptr_t)chunk)-((uintptr_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 { |
| if (kDebugXMLNoisy) { |
| 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); |
| } |
| } |
| |
| /* static */ size_t unpackLanguageOrRegion(const char in[2], const char base, |
| char out[4]) { |
| if (in[0] & 0x80) { |
| // The high bit is "1", which means this is a packed three letter |
| // language code. |
| |
| // The smallest 5 bits of the second char are the first alphabet. |
| const uint8_t first = in[1] & 0x1f; |
| // The last three bits of the second char and the first two bits |
| // of the first char are the second alphabet. |
| const uint8_t second = ((in[1] & 0xe0) >> 5) + ((in[0] & 0x03) << 3); |
| // Bits 3 to 7 (inclusive) of the first char are the third alphabet. |
| const uint8_t third = (in[0] & 0x7c) >> 2; |
| |
| out[0] = first + base; |
| out[1] = second + base; |
| out[2] = third + base; |
| out[3] = 0; |
| |
| return 3; |
| } |
| |
| if (in[0]) { |
| memcpy(out, in, 2); |
| memset(out + 2, 0, 2); |
| return 2; |
| } |
| |
| memset(out, 0, 4); |
| return 0; |
| } |
| |
| /* static */ void packLanguageOrRegion(const char* in, const char base, |
| char out[2]) { |
| if (in[2] == 0 || in[2] == '-') { |
| out[0] = in[0]; |
| out[1] = in[1]; |
| } else { |
| uint8_t first = (in[0] - base) & 0x007f; |
| uint8_t second = (in[1] - base) & 0x007f; |
| uint8_t third = (in[2] - base) & 0x007f; |
| |
| out[0] = (0x80 | (third << 2) | (second >> 3)); |
| out[1] = ((second << 5) | first); |
| } |
| } |
| |
| |
| void ResTable_config::packLanguage(const char* language) { |
| packLanguageOrRegion(language, 'a', this->language); |
| } |
| |
| void ResTable_config::packRegion(const char* region) { |
| packLanguageOrRegion(region, '0', this->country); |
| } |
| |
| size_t ResTable_config::unpackLanguage(char language[4]) const { |
| return unpackLanguageOrRegion(this->language, 'a', language); |
| } |
| |
| size_t ResTable_config::unpackRegion(char region[4]) const { |
| return unpackLanguageOrRegion(this->country, '0', region); |
| } |
| |
| |
| 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); |
| } |
| |
| /* static */ inline int compareLocales(const ResTable_config &l, const ResTable_config &r) { |
| if (l.locale != r.locale) { |
| // NOTE: This is the old behaviour with respect to comparison orders. |
| // The diff value here doesn't make much sense (given our bit packing scheme) |
| // but it's stable, and that's all we need. |
| return l.locale - r.locale; |
| } |
| |
| // The language & region are equal, so compare the scripts and variants. |
| const char emptyScript[sizeof(l.localeScript)] = {'\0', '\0', '\0', '\0'}; |
| const char *lScript = l.localeScriptWasComputed ? emptyScript : l.localeScript; |
| const char *rScript = r.localeScriptWasComputed ? emptyScript : r.localeScript; |
| int script = memcmp(lScript, rScript, sizeof(l.localeScript)); |
| if (script) { |
| return script; |
| } |
| |
| // The language, region and script are equal, so compare variants. |
| // |
| // This should happen very infrequently (if at all.) |
| return memcmp(l.localeVariant, r.localeVariant, sizeof(l.localeVariant)); |
| } |
| |
| int ResTable_config::compare(const ResTable_config& o) const { |
| int32_t diff = (int32_t)(imsi - o.imsi); |
| if (diff != 0) return diff; |
| diff = compareLocales(*this, o); |
| 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)(screenLayout2 - o.screenLayout2); |
| 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; |
| } |
| |
| int diff = compareLocales(*this, o); |
| if (diff < 0) { |
| return -1; |
| } |
| if (diff > 0) { |
| return 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 (screenLayout2 != o.screenLayout2) { |
| return screenLayout2 < o.screenLayout2 ? -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 (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 ((screenLayout2 & MASK_SCREENROUND) != (o.screenLayout2 & MASK_SCREENROUND)) diffs |= CONFIG_SCREEN_ROUND; |
| 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; |
| |
| const int diff = compareLocales(*this, o); |
| if (diff) diffs |= CONFIG_LOCALE; |
| |
| return diffs; |
| } |
| |
| int ResTable_config::isLocaleMoreSpecificThan(const ResTable_config& o) const { |
| if (locale || o.locale) { |
| if (language[0] != o.language[0]) { |
| if (!language[0]) return -1; |
| if (!o.language[0]) return 1; |
| } |
| |
| if (country[0] != o.country[0]) { |
| if (!country[0]) return -1; |
| if (!o.country[0]) return 1; |
| } |
| } |
| |
| // There isn't a well specified "importance" order between variants and |
| // scripts. We can't easily tell whether, say "en-Latn-US" is more or less |
| // specific than "en-US-POSIX". |
| // |
| // We therefore arbitrarily decide to give priority to variants over |
| // scripts since it seems more useful to do so. We will consider |
| // "en-US-POSIX" to be more specific than "en-Latn-US". |
| |
| const int score = ((localeScript[0] != '\0' && !localeScriptWasComputed) ? 1 : 0) + |
| ((localeVariant[0] != '\0') ? 2 : 0); |
| |
| const int oScore = (o.localeScript[0] != '\0' && !o.localeScriptWasComputed ? 1 : 0) + |
| ((o.localeVariant[0] != '\0') ? 2 : 0); |
| |
| return score - oScore; |
| } |
| |
| 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) { |
| const int diff = isLocaleMoreSpecificThan(o); |
| if (diff < 0) { |
| return false; |
| } |
| |
| if (diff > 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 (screenLayout2 || o.screenLayout2) { |
| if (((screenLayout2^o.screenLayout2) & MASK_SCREENROUND) != 0) { |
| if (!(screenLayout2 & MASK_SCREENROUND)) return false; |
| if (!(o.screenLayout2 & MASK_SCREENROUND)) 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; |
| } |
| |
| // Codes for specially handled languages and regions |
| static const char kEnglish[2] = {'e', 'n'}; // packed version of "en" |
| static const char kUnitedStates[2] = {'U', 'S'}; // packed version of "US" |
| static const char kFilipino[2] = {'\xAD', '\x05'}; // packed version of "fil" |
| static const char kTagalog[2] = {'t', 'l'}; // packed version of "tl" |
| |
| // Checks if two language or region codes are identical |
| inline bool areIdentical(const char code1[2], const char code2[2]) { |
| return code1[0] == code2[0] && code1[1] == code2[1]; |
| } |
| |
| inline bool langsAreEquivalent(const char lang1[2], const char lang2[2]) { |
| return areIdentical(lang1, lang2) || |
| (areIdentical(lang1, kTagalog) && areIdentical(lang2, kFilipino)) || |
| (areIdentical(lang1, kFilipino) && areIdentical(lang2, kTagalog)); |
| } |
| |
| bool ResTable_config::isLocaleBetterThan(const ResTable_config& o, |
| const ResTable_config* requested) const { |
| if (requested->locale == 0) { |
| // The request doesn't have a locale, so no resource is better |
| // than the other. |
| return false; |
| } |
| |
| if (locale == 0 && o.locale == 0) { |
| // The locale part of both resources is empty, so none is better |
| // than the other. |
| return false; |
| } |
| |
| // Non-matching locales have been filtered out, so both resources |
| // match the requested locale. |
| // |
| // Because of the locale-related checks in match() and the checks, we know |
| // that: |
| // 1) The resource languages are either empty or match the request; |
| // and |
| // 2) If the request's script is known, the resource scripts are either |
| // unknown or match the request. |
| |
| if (!langsAreEquivalent(language, o.language)) { |
| // The languages of the two resources are not equivalent. If we are |
| // here, we can only assume that the two resources matched the request |
| // because one doesn't have a language and the other has a matching |
| // language. |
| // |
| // We consider the one that has the language specified a better match. |
| // |
| // The exception is that we consider no-language resources a better match |
| // for US English and similar locales than locales that are a descendant |
| // of Internatinal English (en-001), since no-language resources are |
| // where the US English resource have traditionally lived for most apps. |
| if (areIdentical(requested->language, kEnglish)) { |
| if (areIdentical(requested->country, kUnitedStates)) { |
| // For US English itself, we consider a no-locale resource a |
| // better match if the other resource has a country other than |
| // US specified. |
| if (language[0] != '\0') { |
| return country[0] == '\0' || areIdentical(country, kUnitedStates); |
| } else { |
| return !(o.country[0] == '\0' || areIdentical(o.country, kUnitedStates)); |
| } |
| } else if (localeDataIsCloseToUsEnglish(requested->country)) { |
| if (language[0] != '\0') { |
| return localeDataIsCloseToUsEnglish(country); |
| } else { |
| return !localeDataIsCloseToUsEnglish(o.country); |
| } |
| } |
| } |
| return (language[0] != '\0'); |
| } |
| |
| // If we are here, both the resources have an equivalent non-empty language |
| // to the request. |
| // |
| // Because the languages are equivalent, computeScript() always returns a |
| // non-empty script for languages it knows about, and we have passed the |
| // script checks in match(), the scripts are either all unknown or are all |
| // the same. So we can't gain anything by checking the scripts. We need to |
| // check the region and variant. |
| |
| // See if any of the regions is better than the other. |
| const int region_comparison = localeDataCompareRegions( |
| country, o.country, |
| requested->language, requested->localeScript, requested->country); |
| if (region_comparison != 0) { |
| return (region_comparison > 0); |
| } |
| |
| // The regions are the same. Try the variant. |
| const bool localeMatches = strncmp( |
| localeVariant, requested->localeVariant, sizeof(localeVariant)) == 0; |
| const bool otherMatches = strncmp( |
| o.localeVariant, requested->localeVariant, sizeof(localeVariant)) == 0; |
| if (localeMatches != otherMatches) { |
| return localeMatches; |
| } |
| |
| // Finally, the languages, although equivalent, may still be different |
| // (like for Tagalog and Filipino). Identical is better than just |
| // equivalent. |
| if (areIdentical(language, requested->language) |
| && !areIdentical(o.language, requested->language)) { |
| 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 (isLocaleBetterThan(o, requested)) { |
| return true; |
| } |
| |
| 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; |
| } |
| if (kDebugTableSuperNoisy) { |
| 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 (screenLayout2 || o.screenLayout2) { |
| if (((screenLayout2^o.screenLayout2) & MASK_SCREENROUND) != 0 && |
| (requested->screenLayout2 & MASK_SCREENROUND)) { |
| return screenLayout2 & MASK_SCREENROUND; |
| } |
| } |
| |
| 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) { |
| // Use the system default density (DENSITY_MEDIUM, 160dpi) if none specified. |
| const int thisDensity = density ? density : int(ResTable_config::DENSITY_MEDIUM); |
| const int otherDensity = o.density ? o.density : int(ResTable_config::DENSITY_MEDIUM); |
| |
| // We always prefer DENSITY_ANY over scaling a density bucket. |
| if (thisDensity == ResTable_config::DENSITY_ANY) { |
| return true; |
| } else if (otherDensity == ResTable_config::DENSITY_ANY) { |
| return false; |
| } |
| |
| int requestedDensity = requested->density; |
| if (requested->density == 0 || |
| requested->density == ResTable_config::DENSITY_ANY) { |
| requestedDensity = ResTable_config::DENSITY_MEDIUM; |
| } |
| |
| // DENSITY_ANY is now dealt with. We should look to |
| // pick a density bucket and potentially scale it. |
| // Any density is potentially useful |
| // because the system will scale it. Scaling down |
| // is generally better than scaling up. |
| int h = thisDensity; |
| int l = otherDensity; |
| bool bImBigger = true; |
| if (l > h) { |
| int t = h; |
| h = l; |
| l = t; |
| bImBigger = false; |
| } |
| |
| if (requestedDensity >= h) { |
| // requested value higher than both l and h, give h |
| return bImBigger; |
| } |
| if (l >= requestedDensity) { |
| // requested value lower than both l and h, give l |
| return !bImBigger; |
| } |
| // saying that scaling down is 2x better than up |
| if (((2 * l) - requestedDensity) * h > requestedDensity * requestedDensity) { |
| 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) { |
| // Don't consider country and variants when deciding matches. |
| // (Theoretically, the variant can also affect the script. For |
| // example, "ar-alalc97" probably implies the Latin script, but since |
| // CLDR doesn't support getting likely scripts for that, we'll assume |
| // the variant doesn't change the script.) |
| // |
| // If two configs differ only in their country and variant, |
| // they can be weeded out in the isMoreSpecificThan test. |
| if (!langsAreEquivalent(language, settings.language)) { |
| return false; |
| } |
| |
| // For backward compatibility and supporting private-use locales, we |
| // fall back to old behavior if we couldn't determine the script for |
| // either of the desired locale or the provided locale. But if we could determine |
| // the scripts, they should be the same for the locales to match. |
| bool countriesMustMatch = false; |
| char computed_script[4]; |
| const char* script; |
| if (settings.localeScript[0] == '\0') { // could not determine the request's script |
| countriesMustMatch = true; |
| } else { |
| if (localeScript[0] == '\0' && !localeScriptWasComputed) { |
| // script was not provided or computed, so we try to compute it |
| localeDataComputeScript(computed_script, language, country); |
| if (computed_script[0] == '\0') { // we could not compute the script |
| countriesMustMatch = true; |
| } else { |
| script = computed_script; |
| } |
| } else { // script was provided, so just use it |
| script = localeScript; |
| } |
| } |
| |
| if (countriesMustMatch) { |
| if (country[0] != '\0' && !areIdentical(country, settings.country)) { |
| return false; |
| } |
| } else { |
| if (memcmp(script, settings.localeScript, sizeof(settings.localeScript)) != 0) { |
| 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 (screenConfig2 != 0) { |
| const int screenRound = screenLayout2 & MASK_SCREENROUND; |
| const int setScreenRound = settings.screenLayout2 & MASK_SCREENROUND; |
| if (screenRound != 0 && screenRound != setScreenRound) { |
| return false; |
| } |
| } |
| |
| if (screenSizeDp != 0) { |
| if (screenWidthDp != 0 && screenWidthDp > settings.screenWidthDp) { |
| if (kDebugTableSuperNoisy) { |
| ALOGI("Filtering out width %d in requested %d", screenWidthDp, |
| settings.screenWidthDp); |
| } |
| return false; |
| } |
| if (screenHeightDp != 0 && screenHeightDp > settings.screenHeightDp) { |
| if (kDebugTableSuperNoisy) { |
| 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. |
| if (kDebugTableSuperNoisy) { |
| ALOGI("Matching keysHidden: have=%d, config=%d\n", keysHidden, setKeysHidden); |
| } |
| if (keysHidden != KEYSHIDDEN_NO || setKeysHidden != KEYSHIDDEN_SOFT) { |
| if (kDebugTableSuperNoisy) { |
| 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::appendDirLocale(String8& out) const { |
| if (!language[0]) { |
| return; |
| } |
| const bool scriptWasProvided = localeScript[0] != '\0' && !localeScriptWasComputed; |
| if (!scriptWasProvided && !localeVariant[0]) { |
| // Legacy format. |
| if (out.size() > 0) { |
| out.append("-"); |
| } |
| |
| char buf[4]; |
| size_t len = unpackLanguage(buf); |
| out.append(buf, len); |
| |
| if (country[0]) { |
| out.append("-r"); |
| len = unpackRegion(buf); |
| out.append(buf, len); |
| } |
| return; |
| } |
| |
| // We are writing the modified BCP 47 tag. |
| // It starts with 'b+' and uses '+' as a separator. |
| |
| if (out.size() > 0) { |
| out.append("-"); |
| } |
| out.append("b+"); |
| |
| char buf[4]; |
| size_t len = unpackLanguage(buf); |
| out.append(buf, len); |
| |
| if (scriptWasProvided) { |
| out.append("+"); |
| out.append(localeScript, sizeof(localeScript)); |
| } |
| |
| if (country[0]) { |
| out.append("+"); |
| len = unpackRegion(buf); |
| out.append(buf, len); |
| } |
| |
| if (localeVariant[0]) { |
| out.append("+"); |
| out.append(localeVariant, strnlen(localeVariant, sizeof(localeVariant))); |
| } |
| } |
| |
| void ResTable_config::getBcp47Locale(char str[RESTABLE_MAX_LOCALE_LEN], bool canonicalize) const { |
| memset(str, 0, RESTABLE_MAX_LOCALE_LEN); |
| |
| // This represents the "any" locale value, which has traditionally been |
| // represented by the empty string. |
| if (language[0] == '\0' && country[0] == '\0') { |
| return; |
| } |
| |
| size_t charsWritten = 0; |
| if (language[0] != '\0') { |
| if (canonicalize && areIdentical(language, kTagalog)) { |
| // Replace Tagalog with Filipino if we are canonicalizing |
| str[0] = 'f'; str[1] = 'i'; str[2] = 'l'; str[3] = '\0'; // 3-letter code for Filipino |
| charsWritten += 3; |
| } else { |
| charsWritten += unpackLanguage(str); |
| } |
| } |
| |
| if (localeScript[0] != '\0' && !localeScriptWasComputed) { |
| if (charsWritten > 0) { |
| str[charsWritten++] = '-'; |
| } |
| memcpy(str + charsWritten, localeScript, sizeof(localeScript)); |
| charsWritten += sizeof(localeScript); |
| } |
| |
| if (country[0] != '\0') { |
| if (charsWritten > 0) { |
| str[charsWritten++] = '-'; |
| } |
| charsWritten += unpackRegion(str + charsWritten); |
| } |
| |
| if (localeVariant[0] != '\0') { |
| if (charsWritten > 0) { |
| str[charsWritten++] = '-'; |
| } |
| memcpy(str + charsWritten, localeVariant, sizeof(localeVariant)); |
| } |
| } |
| |
| /* static */ inline bool assignLocaleComponent(ResTable_config* config, |
| const char* start, size_t size) { |
| |
| switch (size) { |
| case 0: |
| return false; |
| case 2: |
| case 3: |
| config->language[0] ? config->packRegion(start) : config->packLanguage(start); |
| break; |
| case 4: |
| if ('0' <= start[0] && start[0] <= '9') { |
| // this is a variant, so fall through |
| } else { |
| config->localeScript[0] = toupper(start[0]); |
| for (size_t i = 1; i < 4; ++i) { |
| config->localeScript[i] = tolower(start[i]); |
| } |
| break; |
| } |
| case 5: |
| case 6: |
| case 7: |
| case 8: |
| for (size_t i = 0; i < size; ++i) { |
| config->localeVariant[i] = tolower(start[i]); |
| } |
| break; |
| default: |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void ResTable_config::setBcp47Locale(const char* in) { |
| locale = 0; |
| memset(localeScript, 0, sizeof(localeScript)); |
| memset(localeVariant, 0, sizeof(localeVariant)); |
| |
| const char* separator = in; |
| const char* start = in; |
| while ((separator = strchr(start, '-')) != NULL) { |
| const size_t size = separator - start; |
| if (!assignLocaleComponent(this, start, size)) { |
| fprintf(stderr, "Invalid BCP-47 locale string: %s", in); |
| } |
| |
| start = (separator + 1); |
| } |
| |
| const size_t size = in + strlen(in) - start; |
| assignLocaleComponent(this, start, size); |
| localeScriptWasComputed = (localeScript[0] == '\0'); |
| if (localeScriptWasComputed) { |
| computeScript(); |
| } |
| } |
| |
| String8 ResTable_config::toString() const { |
| String8 res; |
| |
| if (mcc != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.appendFormat("mcc%d", dtohs(mcc)); |
| } |
| if (mnc != 0) { |
| if (res.size() > 0) res.append("-"); |
| res.appendFormat("mnc%d", dtohs(mnc)); |
| } |
| |
| appendDirLocale(res); |
| |
| 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 ((screenLayout2&MASK_SCREENROUND) != 0) { |
| if (res.size() > 0) res.append("-"); |
| switch (screenLayout2&MASK_SCREENROUND) { |
| case SCREENROUND_NO: |
| res.append("notround"); |
| break; |
| case SCREENROUND_YES: |
| res.append("round"); |
| break; |
| default: |
| res.appendFormat("screenRound=%d", dtohs(screenLayout2&MASK_SCREENROUND)); |
| 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; |
| case ResTable_config::UI_MODE_TYPE_WATCH: |
| res.append("watch"); |
| break; |
| case ResTable_config::UI_MODE_TYPE_VR_HEADSET: |
| res.append("vrheadset"); |
| 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_XXXHIGH: |
| res.append("xxxhdpi"); |
| break; |
| case ResTable_config::DENSITY_NONE: |
| res.append("nodpi"); |
| break; |
| case ResTable_config::DENSITY_ANY: |
| res.append("anydpi"); |
| 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 ((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 (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_NAVHIDDEN) != 0) { |
| if (res.size() > 0) res.append("-"); |
| switch (inputFlags&MASK_NAVHIDDEN) { |
| case ResTable_config::NAVHIDDEN_NO: |
| res.append("navexposed"); |
| break; |
| case ResTable_config::NAVHIDDEN_YES: |
| res.append("navhidden"); |
| break; |
| default: |
| res.appendFormat("inputFlagsNavHidden=%d", |
| dtohs(inputFlags&MASK_NAVHIDDEN)); |
| 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 (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 |
| { |
| explicit Header(ResTable* _owner) : owner(_owner), ownedData(NULL), header(NULL), |
| resourceIDMap(NULL), resourceIDMapSize(0) { } |
| |
| ~Header() |
| { |
| free(resourceIDMap); |
| } |
| |
| const ResTable* const owner; |
| void* ownedData; |
| const ResTable_header* header; |
| size_t size; |
| const uint8_t* dataEnd; |
| size_t index; |
| int32_t cookie; |
| |
| ResStringPool values; |
| uint32_t* resourceIDMap; |
| size_t resourceIDMapSize; |
| }; |
| |
| struct ResTable::Entry { |
| ResTable_config config; |
| const ResTable_entry* entry; |
| const ResTable_type* type; |
| uint32_t specFlags; |
| const Package* package; |
| |
| StringPoolRef typeStr; |
| StringPoolRef keyStr; |
| }; |
| |
| 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; |
| IdmapEntries idmapEntries; |
| Vector<const ResTable_type*> configs; |
| }; |
| |
| struct ResTable::Package |
| { |
| Package(ResTable* _owner, const Header* _header, const ResTable_package* _package) |
| : owner(_owner), header(_header), package(_package), typeIdOffset(0) { |
| if (dtohs(package->header.headerSize) == sizeof(*package)) { |
| // The package structure is the same size as the definition. |
| // This means it contains the typeIdOffset field. |
| typeIdOffset = package->typeIdOffset; |
| } |
| } |
| |
| const ResTable* const owner; |
| const Header* const header; |
| const ResTable_package* const package; |
| |
| ResStringPool typeStrings; |
| ResStringPool keyStrings; |
| |
| size_t typeIdOffset; |
| }; |
| |
| // 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, |
| bool appAsLib, bool _isSystemAsset) |
| : owner(_owner) |
| , name(_name) |
| , id(_id) |
| , largestTypeId(0) |
| , dynamicRefTable(static_cast<uint8_t>(_id), appAsLib) |
| , isSystemAsset(_isSystemAsset) |
| { } |
| |
| ~PackageGroup() { |
| clearBagCache(); |
| const size_t numTypes = types.size(); |
| for (size_t i = 0; i < numTypes; i++) { |
| const TypeList& typeList = types[i]; |
| const size_t numInnerTypes = typeList.size(); |
| for (size_t j = 0; j < numInnerTypes; j++) { |
| if (typeList[j]->package->owner == owner) { |
| delete typeList[j]; |
| } |
| } |
| } |
| |
| const size_t N = packages.size(); |
| for (size_t i=0; i<N; i++) { |
| Package* pkg = packages[i]; |
| if (pkg->owner == owner) { |
| delete pkg; |
| } |
| } |
| } |
| |
| /** |
| * Clear all cache related data that depends on parameters/configuration. |
| * This includes the bag caches and filtered types. |
| */ |
| void clearBagCache() { |
| for (size_t i = 0; i < typeCacheEntries.size(); i++) { |
| if (kDebugTableNoisy) { |
| printf("type=%zu\n", i); |
| } |
| const TypeList& typeList = types[i]; |
| if (!typeList.isEmpty()) { |
| TypeCacheEntry& cacheEntry = typeCacheEntries.editItemAt(i); |
| |
| // Reset the filtered configurations. |
| cacheEntry.filteredConfigs.clear(); |
| |
| bag_set** typeBags = cacheEntry.cachedBags; |
| if (kDebugTableNoisy) { |
| printf("typeBags=%p\n", typeBags); |
| } |
| |
| if (typeBags) { |
| const size_t N = typeList[0]->entryCount; |
| if (kDebugTableNoisy) { |
| printf("type->entryCount=%zu\n", N); |
| } |
| for (size_t j = 0; j < N; j++) { |
| if (typeBags[j] && typeBags[j] != (bag_set*)0xFFFFFFFF) { |
| free(typeBags[j]); |
| } |
| } |
| free(typeBags); |
| cacheEntry.cachedBags = NULL; |
| } |
| } |
| } |
| } |
| |
| ssize_t findType16(const char16_t* type, size_t len) const { |
| const size_t N = packages.size(); |
| for (size_t i = 0; i < N; i++) { |
| ssize_t index = packages[i]->typeStrings.indexOfString(type, len); |
| if (index >= 0) { |
| return index + packages[i]->typeIdOffset; |
| } |
| } |
| return -1; |
| } |
| |
| const ResTable* const owner; |
| String16 const name; |
| uint32_t const id; |
| |
| // This is mainly used to keep track of the loaded packages |
| // and to clean them up properly. Accessing resources happens from |
| // the 'types' array. |
| Vector<Package*> packages; |
| |
| ByteBucketArray<TypeList> types; |
| |
| uint8_t largestTypeId; |
| |
| // Cached objects dependent on the parameters/configuration of this ResTable. |
| // Gets cleared whenever the parameters/configuration changes. |
| // These are stored here in a parallel structure because the data in `types` may |
| // be shared by other ResTable's (framework resources are shared this way). |
| ByteBucketArray<TypeCacheEntry> typeCacheEntries; |
| |
| // The table mapping dynamic references to resolved references for |
| // this package group. |
| // TODO: We may be able to support dynamic references in overlays |
| // by having these tables in a per-package scope rather than |
| // per-package-group. |
| DynamicRefTable dynamicRefTable; |
| |
| // If the package group comes from a system asset. Used in |
| // determining non-system locales. |
| const bool isSystemAsset; |
| }; |
| |
| ResTable::Theme::Theme(const ResTable& table) |
| : mTable(table) |
| , mTypeSpecFlags(0) |
| { |
| 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 <= Res_MAXTYPE; 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)); |
| for (size_t j = 0; j <= Res_MAXTYPE; j++) { |
| size_t cnt = pi->types[j].numEntries; |
| newpi->types[j].numEntries = cnt; |
| theme_entry* te = pi->types[j].entries; |
| size_t cnt_max = SIZE_MAX / sizeof(theme_entry); |
| if (te != NULL && (cnt < 0xFFFFFFFF-1) && (cnt < cnt_max)) { |
| 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); |
| if (kDebugTableNoisy) { |
| ALOGV("Applying style 0x%08x to theme %p, count=%zu", resID, this, N); |
| } |
| if (N < 0) { |
| mTable.unlock(); |
| return N; |
| } |
| |
| mTypeSpecFlags |= bagTypeSpecFlags; |
| |
| 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) { |
| curPI = (package_info*)malloc(sizeof(package_info)); |
| memset(curPI, 0, sizeof(*curPI)); |
| mPackages[pidx] = curPI; |
| } |
| curType = 0xffffffff; |
| } |
| if (curType != t) { |
| if (t > Res_MAXTYPE) { |
| 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 TypeList& typeList = grp->types[t]; |
| size_t cnt = typeList.isEmpty() ? 0 : typeList[0]->entryCount; |
| size_t cnt_max = SIZE_MAX / sizeof(theme_entry); |
| size_t buff_size = (cnt < cnt_max && cnt < 0xFFFFFFFF-1) ? |
| cnt*sizeof(theme_entry) : 0; |
| curEntries = (theme_entry*)malloc(buff_size); |
| memset(curEntries, Res_value::TYPE_NULL, buff_size); |
| 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; |
| if (kDebugTableNoisy) { |
| 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(); |
| |
| if (kDebugTableTheme) { |
| 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) |
| { |
| if (kDebugTableTheme) { |
| 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; |
| } |
| } |
| } |
| |
| mTypeSpecFlags = other.mTypeSpecFlags; |
| |
| if (kDebugTableTheme) { |
| ALOGI("Final theme:"); |
| dumpToLog(); |
| } |
| |
| return NO_ERROR; |
| } |
| |
| status_t ResTable::Theme::clear() |
| { |
| if (kDebugTableTheme) { |
| ALOGI("Clearing theme %p...\n", this); |
| dumpToLog(); |
| } |
| |
| for (size_t i = 0; i < Res_MAXPACKAGE; i++) { |
| if (mPackages[i] != NULL) { |
| free_package(mPackages[i]); |
| mPackages[i] = NULL; |
| } |
| } |
| |
| mTypeSpecFlags = 0; |
| |
| if (kDebugTableTheme) { |
| 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); |
| |
| if (kDebugTableTheme) { |
| ALOGI("Looking up attr 0x%08x in theme %p", resID, this); |
| } |
| |
| if (p >= 0) { |
| const package_info* const pi = mPackages[p]; |
| if (kDebugTableTheme) { |
| ALOGI("Found package: %p", pi); |
| } |
| if (pi != NULL) { |
| if (kDebugTableTheme) { |
| ALOGI("Desired type index is %u in avail %zu", t, Res_MAXTYPE + 1); |
| } |
| if (t <= Res_MAXTYPE) { |
| const type_info& ti = pi->types[t]; |
| if (kDebugTableTheme) { |
| ALOGI("Desired entry index is %u in avail %zu", e, ti.numEntries); |
| } |
| if (e < ti.numEntries) { |
| const theme_entry& te = ti.entries[e]; |
| if (outTypeSpecFlags != NULL) { |
| *outTypeSpecFlags |= te.typeSpecFlags; |
| } |
| if (kDebugTableTheme) { |
| 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); |
| if (kDebugTableTheme) { |
| ALOGI("Resolving attr reference: blockIndex=%d, type=0x%x, data=0x%x\n", |
| (int)blockIndex, (int)inOutValue->dataType, 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); |
| } |
| |
| uint32_t ResTable::Theme::getChangingConfigurations() const |
| { |
| return mTypeSpecFlags; |
| } |
| |
| 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 <= Res_MAXTYPE; 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++) { |
| const 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), mNextPackageId(2) |
| { |
| memset(&mParams, 0, sizeof(mParams)); |
| memset(mPackageMap, 0, sizeof(mPackageMap)); |
| if (kDebugTableSuperNoisy) { |
| ALOGI("Creating ResTable %p\n", this); |
| } |
| } |
| |
| ResTable::ResTable(const void* data, size_t size, const int32_t cookie, bool copyData) |
| : mError(NO_INIT), mNextPackageId(2) |
| { |
| memset(&mParams, 0, sizeof(mParams)); |
| memset(mPackageMap, 0, sizeof(mPackageMap)); |
| addInternal(data, size, NULL, 0, false, cookie, copyData); |
| LOG_FATAL_IF(mError != NO_ERROR, "Error parsing resource table"); |
| if (kDebugTableSuperNoisy) { |
| ALOGI("Creating ResTable %p\n", this); |
| } |
| } |
| |
| ResTable::~ResTable() |
| { |
| if (kDebugTableSuperNoisy) { |
| 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, const int32_t cookie, bool copyData) { |
| return addInternal(data, size, NULL, 0, false, cookie, copyData); |
| } |
| |
| status_t ResTable::add(const void* data, size_t size, const void* idmapData, size_t idmapDataSize, |
| const int32_t cookie, bool copyData, bool appAsLib) { |
| return addInternal(data, size, idmapData, idmapDataSize, appAsLib, cookie, copyData); |
| } |
| |
| status_t ResTable::add(Asset* asset, const int32_t cookie, bool copyData) { |
| const void* data = asset->getBuffer(true); |
| if (data == NULL) { |
| ALOGW("Unable to get buffer of resource asset file"); |
| return UNKNOWN_ERROR; |
| } |
| |
| return addInternal(data, static_cast<size_t>(asset->getLength()), NULL, false, 0, cookie, |
| copyData); |
| } |
| |
| status_t ResTable::add( |
| Asset* asset, Asset* idmapAsset, const int32_t cookie, bool copyData, |
| bool appAsLib, bool isSystemAsset) { |
| const void* data = asset->getBuffer(true); |
| if (data == NULL) { |
| ALOGW("Unable to get buffer of resource asset file"); |
| return UNKNOWN_ERROR; |
| } |
| |
| size_t idmapSize = 0; |
| const void* idmapData = NULL; |
| if (idmapAsset != NULL) { |
| idmapData = idmapAsset->getBuffer(true); |
| if (idmapData == NULL) { |
| ALOGW("Unable to get buffer of idmap asset file"); |
| return UNKNOWN_ERROR; |
| } |
| idmapSize = static_cast<size_t>(idmapAsset->getLength()); |
| } |
| |
| return addInternal(data, static_cast<size_t>(asset->getLength()), |
| idmapData, idmapSize, appAsLib, cookie, copyData, isSystemAsset); |
| } |
| |
| status_t ResTable::add(ResTable* src, bool isSystemAsset) |
| { |
| 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, |
| false /* appAsLib */, isSystemAsset || srcPg->isSystemAsset); |
| for (size_t j=0; j<srcPg->packages.size(); j++) { |
| pg->packages.add(srcPg->packages[j]); |
| } |
| |
| for (size_t j = 0; j < srcPg->types.size(); j++) { |
| if (srcPg->types[j].isEmpty()) { |
| continue; |
| } |
| |
| TypeList& typeList = pg->types.editItemAt(j); |
| typeList.appendVector(srcPg->types[j]); |
| } |
| pg->dynamicRefTable.addMappings(srcPg->dynamicRefTable); |
| pg->largestTypeId = max(pg->largestTypeId, srcPg->largestTypeId); |
| mPackageGroups.add(pg); |
| } |
| |
| memcpy(mPackageMap, src->mPackageMap, sizeof(mPackageMap)); |
| |
| return mError; |
| } |
| |
| status_t ResTable::addEmpty(const int32_t cookie) { |
| Header* header = new Header(this); |
| header->index = mHeaders.size(); |
| header->cookie = cookie; |
| header->values.setToEmpty(); |
| header->ownedData = calloc(1, sizeof(ResTable_header)); |
| |
| ResTable_header* resHeader = (ResTable_header*) header->ownedData; |
| resHeader->header.type = RES_TABLE_TYPE; |
| resHeader->header.headerSize = sizeof(ResTable_header); |
| resHeader->header.size = sizeof(ResTable_header); |
| |
| header->header = (const ResTable_header*) resHeader; |
| mHeaders.add(header); |
| return (mError=NO_ERROR); |
| } |
| |
| status_t ResTable::addInternal(const void* data, size_t dataSize, const void* idmapData, size_t idmapDataSize, |
| bool appAsLib, const int32_t cookie, bool copyData, bool isSystemAsset) |
| { |
| if (!data) { |
| return NO_ERROR; |
| } |
| |
| if (dataSize < sizeof(ResTable_header)) { |
| ALOGE("Invalid data. Size(%d) is smaller than a ResTable_header(%d).", |
| (int) dataSize, (int) sizeof(ResTable_header)); |
| return UNKNOWN_ERROR; |
| } |
| |
| Header* header = new Header(this); |
| header->index = mHeaders.size(); |
| header->cookie = cookie; |
| if (idmapData != NULL) { |
| header->resourceIDMap = (uint32_t*) malloc(idmapDataSize); |
| if (header->resourceIDMap == NULL) { |
| delete header; |
| return (mError = NO_MEMORY); |
| } |
| memcpy(header->resourceIDMap, idmapData, idmapDataSize); |
| header->resourceIDMapSize = idmapDataSize; |
| } |
| mHeaders.add(header); |
| |
| const bool notDeviceEndian = htods(0xf0) != 0xf0; |
| |
| if (kDebugLoadTableNoisy) { |
| ALOGV("Adding resources to ResTable: data=%p, size=%zu, cookie=%d, copy=%d " |
| "idmap=%p\n", data, dataSize, cookie, copyData, idmapData); |
| } |
| |
| if (copyData || notDeviceEndian) { |
| header->ownedData = malloc(dataSize); |
| if (header->ownedData == NULL) { |
| return (mError=NO_MEMORY); |
| } |
| memcpy(header->ownedData, data, dataSize); |
| data = header->ownedData; |
| } |
| |
| header->header = (const ResTable_header*)data; |
| header->size = dtohl(header->header->header.size); |
| if (kDebugLoadTableSuperNoisy) { |
| ALOGI("Got size %zu, again size 0x%x, raw size 0x%x\n", header->size, |
| dtohl(header->header->header.size), header->header->header.size); |
| } |
| if (kDebugLoadTableNoisy) { |
| ALOGV("Loading ResTable @%p:\n", header->header); |
| } |
| if (dtohs(header->header->header.headerSize) > header->size |
| || header->size > dataSize) { |
| 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)dataSize); |
| 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); |
| } |
| if (kDebugTableNoisy) { |
| 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); |
| } |
| |
| if (parsePackage( |
| (ResTable_package*)chunk, header, appAsLib, isSystemAsset) != NO_ERROR) { |
| return mError; |
| } |
| curPackage++; |
| } else { |
| ALOGW("Unknown chunk type 0x%x in table at %p.\n", |
| 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!"); |
| } |
| |
| if (kDebugTableNoisy) { |
| 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, bool allowUtf8, 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 { |
| #ifndef STATIC_ANDROIDFW_FOR_TOOLS |
| ALOGW("No known package when getting name for resource number 0x%08x", resID); |
| #endif |
| } |
| 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; |
| } |
| |
| Entry entry; |
| status_t err = getEntry(grp, t, e, NULL, &entry); |
| if (err != NO_ERROR) { |
| return false; |
| } |
| |
| outName->package = grp->name.string(); |
| outName->packageLen = grp->name.size(); |
| if (allowUtf8) { |
| outName->type8 = entry.typeStr.string8(&outName->typeLen); |
| outName->name8 = entry.keyStr.string8(&outName->nameLen); |
| } else { |
| outName->type8 = NULL; |
| outName->name8 = NULL; |
| } |
| if (outName->type8 == NULL) { |
| outName->type = entry.typeStr.string16(&outName->typeLen); |
| // If we have a bad index for some reason, we should abort. |
| if (outName->type == NULL) { |
| return false; |
| } |
| } |
| if (outName->name8 == NULL) { |
| outName->name = entry.keyStr.string16(&outName->nameLen); |
| // If we have a bad index for some reason, we should abort. |
| if (outName->name == NULL) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| 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 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 |
| ResTable_config desiredConfig = mParams; |
| if (density > 0) { |
| desiredConfig.density = density; |
| } |
| |
| Entry entry; |
| status_t err = getEntry(grp, t, e, &desiredConfig, &entry); |
| if (err != NO_ERROR) { |
| // Only log the failure when we're not running on the host as |
| // part of a tool. The caller will do its own logging. |
| #ifndef STATIC_ANDROIDFW_FOR_TOOLS |
| ALOGW("Failure getting entry for 0x%08x (t=%d e=%d) (error %d)\n", |
| resID, t, e, err); |
| #endif |
| return err; |
| } |
| |
| if ((dtohs(entry.entry->flags) & ResTable_entry::FLAG_COMPLEX) != 0) { |
| if (!mayBeBag) { |
| ALOGW("Requesting resource 0x%08x failed because it is complex\n", resID); |
| } |
| return BAD_VALUE; |
| } |
| |
| const Res_value* value = reinterpret_cast<const Res_value*>( |
| reinterpret_cast<const uint8_t*>(entry.entry) + entry.entry->size); |
| |
| outValue->size = dtohs(value->size); |
| outValue->res0 = value->res0; |
| outValue->dataType = value->dataType; |
| outValue->data = dtohl(value->data); |
| |
| // The reference may be pointing to a resource in a shared library. These |
| // references have build-time generated package IDs. These ids may not match |
| // the actual package IDs of the corresponding packages in this ResTable. |
| // We need to fix the package ID based on a mapping. |
| if (grp->dynamicRefTable.lookupResourceValue(outValue) != NO_ERROR) { |
| ALOGW("Failed to resolve referenced package: 0x%08x", outValue->data); |
| return BAD_VALUE; |
| } |
| |
| if (kDebugTableNoisy) { |
| size_t len; |
| printf("Found value: pkg=%zu, type=%d, str=%s, int=%d\n", |
| entry.package->header->index, |
| outValue->dataType, |
| outValue->dataType == Res_value::TYPE_STRING ? |
| String8(entry.package->header->values.stringAt(outValue->data, &len)).string() : |
| "", |
| outValue->data); |
| } |
| |
| if (outSpecFlags != NULL) { |
| *outSpecFlags = entry.specFlags; |
| } |
| |
| if (outConfig != NULL) { |
| *outConfig = entry.config; |
| } |
| |
| return entry.package->header->index; |
| } |
| |
| 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 == Res_value::TYPE_REFERENCE |
| && value->data != 0 && count < 20) { |
| if (outLastRef) *outLastRef = 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; |
| } |
| if (kDebugTableTheme) { |
| ALOGI("Resolving reference 0x%x: newIndex=%d, type=0x%x, data=0x%x\n", |
| value->data, (int)newIndex, (int)value->dataType, 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) const |
| { |
| 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 BAD_INDEX; |
| } |
| |
| const TypeList& typeConfigs = grp->types[t]; |
| if (typeConfigs.isEmpty()) { |
| ALOGW("Type identifier 0x%x does not exist.", t+1); |
| return BAD_INDEX; |
| } |
| |
| const size_t NENTRY = typeConfigs[0]->entryCount; |
| if (e >= (int)NENTRY) { |
| ALOGW("Entry identifier 0x%x is larger than entry count 0x%x", |
| e, (int)typeConfigs[0]->entryCount); |
| return BAD_INDEX; |
| } |
| |
| // First see if we've already computed this bag... |
| TypeCacheEntry& cacheEntry = grp->typeCacheEntries.editItemAt(t); |
| bag_set** typeSet = cacheEntry.cachedBags; |
| 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); |
| if (kDebugTableSuperNoisy) { |
| ALOGI("Found existing bag for: 0x%x\n", 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 (!typeSet) { |
| typeSet = (bag_set**)calloc(NENTRY, sizeof(bag_set*)); |
| if (!typeSet) return NO_MEMORY; |
| cacheEntry.cachedBags = typeSet; |
| } |
| |
| // Mark that we are currently working on this one. |
| typeSet[e] = (bag_set*)0xFFFFFFFF; |
| |
| if (kDebugTableNoisy) { |
| ALOGI("Building bag: %x\n", resID); |
| } |
| |
| // Now collect all bag attributes |
| Entry entry; |
| status_t err = getEntry(grp, t, e, &mParams, &entry); |
| if (err != NO_ERROR) { |
| return err; |
| } |
| |
| const uint16_t entrySize = dtohs(entry.entry->size); |
| const uint32_t parent = entrySize >= sizeof(ResTable_map_entry) |
| ? dtohl(((const ResTable_map_entry*)entry.entry)->parent.ident) : 0; |
| const uint32_t count = entrySize >= sizeof(ResTable_map_entry) |
| ? dtohl(((const ResTable_map_entry*)entry.entry)->count) : 0; |
| |
| size_t N = count; |
| |
| if (kDebugTableNoisy) { |
| ALOGI("Found map: size=%x parent=%x 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. |
| ALOGI("Creating new bag, entrySize=0x%08x, parent=0x%08x\n", entrySize, parent); |
| } |
| |
| // This is what we are building. |
| bag_set* set = NULL; |
| |
| if (parent) { |
| uint32_t resolvedParent = parent; |
| |
| // Bags encode a parent reference without using the standard |
| // Res_value structure. That means we must always try to |
| // resolve a parent reference in case it is actually a |
| // TYPE_DYNAMIC_REFERENCE. |
| status_t err = grp->dynamicRefTable.lookupResourceId(&resolvedParent); |
| if (err != NO_ERROR) { |
| ALOGE("Failed resolving bag parent id 0x%08x", parent); |
| return UNKNOWN_ERROR; |
| } |
| |
| const bag_entry* parentBag; |
| uint32_t parentTypeSpecFlags = 0; |
| const ssize_t NP = getBagLocked(resolvedParent, &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; |
| if (kDebugTableNoisy) { |
| ALOGI("Initialized new bag with %zd inherited attributes.\n", NP); |
| } |
| } else { |
| if (kDebugTableNoisy) { |
| 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; |
| } |
| |
| set->typeSpecFlags |= entry.specFlags; |
| |
| // Now merge in the new attributes... |
| size_t curOff = (reinterpret_cast<uintptr_t>(entry.entry) - reinterpret_cast<uintptr_t>(entry.type)) |
| + dtohs(entry.entry->size); |
| const ResTable_map* map; |
| bag_entry* entries = (bag_entry*)(set+1); |
| size_t curEntry = 0; |
| uint32_t pos = 0; |
| if (kDebugTableNoisy) { |
| ALOGI("Starting with set %p, entries=%p, avail=%zu\n", set, entries, set->availAttrs); |
| } |
| while (pos < count) { |
| if (kDebugTableNoisy) { |
| ALOGI("Now at %p\n", (void*)curOff); |
| } |
| |
| if (curOff > (dtohl(entry.type->header.size)-sizeof(ResTable_map))) { |
| ALOGW("ResTable_map at %d is beyond type chunk data %d", |
| (int)curOff, dtohl(entry.type->header.size)); |
| return BAD_TYPE; |
| } |
| map = (const ResTable_map*)(((const uint8_t*)entry.type) + curOff); |
| N++; |
| |
| uint32_t newName = htodl(map->name.ident); |
| if (!Res_INTERNALID(newName)) { |
| // Attributes don't have a resource id as the name. They specify |
| // other data, which would be wrong to change via a lookup. |
| if (grp->dynamicRefTable.lookupResourceId(&newName) != NO_ERROR) { |
| ALOGE("Failed resolving ResTable_map name at %d with ident 0x%08x", |
| (int) curOff, (int) newName); |
| return UNKNOWN_ERROR; |
| } |
| } |
| |
| bool isInside; |
| uint32_t oldName = 0; |
| while ((isInside=(curEntry < set->numAttrs)) |
| && (oldName=entries[curEntry].map.name.ident) < newName) { |
| if (kDebugTableNoisy) { |
| ALOGI("#%zu: 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; |
| void *oldSet = set; |
| set = (bag_set*)realloc(set, |
| sizeof(bag_set) |
| + sizeof(bag_entry)*newAvail); |
| if (set == NULL) { |
| free(oldSet); |
| return NO_MEMORY; |
| } |
| set->availAttrs = newAvail; |
| entries = (bag_entry*)(set+1); |
| if (kDebugTableNoisy) { |
| ALOGI("Reallocated set %p, entries=%p, avail=%zu\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++; |
| } |
| if (kDebugTableNoisy) { |
| ALOGI("#%zu: Inserting new attribute: 0x%08x\n", curEntry, newName); |
| } |
| } else { |
| if (kDebugTableNoisy) { |
| ALOGI("#%zu: Replacing existing attribute: 0x%08x\n", curEntry, oldName); |
| } |
| } |
| |
| bag_entry* cur = entries+curEntry; |
| |
| cur->stringBlock = entry.package->header->index; |
| cur->map.name.ident = newName; |
| cur->map.value.copyFrom_dtoh(map->value); |
| status_t err = grp->dynamicRefTable.lookupResourceValue(&cur->map.value); |
| if (err != NO_ERROR) { |
| ALOGE("Reference item(0x%08x) in bag could not be resolved.", cur->map.value.data); |
| return UNKNOWN_ERROR; |
| } |
| |
| if (kDebugTableNoisy) { |
| ALOGI("Setting entry #%zu %p: block=%zd, name=0x%08d, 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); |
| if (kDebugTableNoisy) { |
| ALOGI("Returning %zu attrs\n", set->numAttrs); |
| } |
| return set->numAttrs; |
| } |
| return BAD_INDEX; |
| } |
| |
| void ResTable::setParameters(const ResTable_config* params) |
| { |
| AutoMutex _lock(mLock); |
| AutoMutex _lock2(mFilteredConfigLock); |
| |
| if (kDebugTableGetEntry) { |
| ALOGI("Setting parameters: %s\n", params->toString().string()); |
| } |
| mParams = *params; |
| for (size_t p = 0; p < mPackageGroups.size(); p++) { |
| PackageGroup* packageGroup = mPackageGroups.editItemAt(p); |
| if (kDebugTableNoisy) { |
| ALOGI("CLEARING BAGS FOR GROUP %zu!", p); |
| } |
| packageGroup->clearBagCache(); |
| |
| // Find which configurations match the set of parameters. This allows for a much |
| // faster lookup in getEntry() if the set of values is narrowed down. |
| for (size_t t = 0; t < packageGroup->types.size(); t++) { |
| if (packageGroup->types[t].isEmpty()) { |
| continue; |
| } |
| |
| TypeList& typeList = packageGroup->types.editItemAt(t); |
| |
| // Retrieve the cache entry for this type. |
| TypeCacheEntry& cacheEntry = packageGroup->typeCacheEntries.editItemAt(t); |
| |
| for (size_t ts = 0; ts < typeList.size(); ts++) { |
| Type* type = typeList.editItemAt(ts); |
| |
| std::shared_ptr<Vector<const ResTable_type*>> newFilteredConfigs = |
| std::make_shared<Vector<const ResTable_type*>>(); |
| |
| for (size_t ti = 0; ti < type->configs.size(); ti++) { |
| ResTable_config config; |
| config.copyFromDtoH(type->configs[ti]->config); |
| |
| if (config.match(mParams)) { |
| newFilteredConfigs->add(type->configs[ti]); |
| } |
| } |
| |
| if (kDebugTableNoisy) { |
| ALOGD("Updating pkg=%zu type=%zu with %zu filtered configs", |
| p, t, newFilteredConfigs->size()); |
| } |
| |
| cacheEntry.filteredConfigs.add(newFilteredConfigs); |
| } |
| } |
| } |
| } |
| |
| 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 |
| { |
| if (kDebugTableSuperNoisy) { |
| 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; |
| |
| if (kDebugTableNoisy) { |
| printf("Looking for identifier: type=%s, name=%s, package=%s\n", |
| String8(type, typeLen).string(), |
| String8(name, nameLen).string(), |
| String8(package, packageLen).string()); |
| } |
| |
| const String16 attr("attr"); |
| const String16 attrPrivate("^attr-private"); |
| |
| 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())) { |
| if (kDebugTableNoisy) { |
| printf("Skipping package group: %s\n", String8(group->name).string()); |
| } |
| continue; |
| } |
| |
| const size_t packageCount = group->packages.size(); |
| for (size_t pi = 0; pi < packageCount; pi++) { |
| const char16_t* targetType = type; |
| size_t targetTypeLen = typeLen; |
| |
| do { |
| ssize_t ti = group->packages[pi]->typeStrings.indexOfString( |
| targetType, targetTypeLen); |
| if (ti < 0) { |
| continue; |
| } |
| |
| ti += group->packages[pi]->typeIdOffset; |
| |
| const uint32_t identifier = findEntry(group, ti, name, nameLen, |
| outTypeSpecFlags); |
| if (identifier != 0) { |
| if (fakePublic && outTypeSpecFlags) { |
| *outTypeSpecFlags |= ResTable_typeSpec::SPEC_PUBLIC; |
| } |
| return identifier; |
| } |
| } while (strzcmp16(attr.string(), attr.size(), targetType, targetTypeLen) == 0 |
| && (targetType = attrPrivate.string()) |
| && (targetTypeLen = attrPrivate.size()) |
| ); |
| } |
| break; |
| } |
| return 0; |
| } |
| |
| uint32_t ResTable::findEntry(const PackageGroup* group, ssize_t typeIndex, const char16_t* name, |
| size_t nameLen, uint32_t* outTypeSpecFlags) const { |
| const TypeList& typeList = group->types[typeIndex]; |
| const size_t typeCount = typeList.size(); |
| for (size_t i = 0; i < typeCount; i++) { |
| const Type* t = typeList[i]; |
| const ssize_t ei = t->package->keyStrings.indexOfString(name, nameLen); |
| if (ei < 0) { |
| continue; |
| } |
| |
| const size_t configCount = t->configs.size(); |
| for (size_t j = 0; j < configCount; j++) { |
| const TypeVariant tv(t->configs[j]); |
| for (TypeVariant::iterator iter = tv.beginEntries(); |
| iter != tv.endEntries(); |
| iter++) { |
| const ResTable_entry* entry = *iter; |
| if (entry == NULL) { |
| continue; |
| } |
| |
| if (dtohl(entry->key.index) == (size_t) ei) { |
| uint32_t resId = Res_MAKEID(group->id - 1, typeIndex, iter.index()); |
| if (outTypeSpecFlags) { |
| Entry result; |
| if (getEntry(group, typeIndex, iter.index(), NULL, &result) != NO_ERROR) { |
| ALOGW("Failed to find spec flags for 0x%08x", resId); |
| return 0; |
| } |
| *outTypeSpecFlags = result.specFlags; |
| } |
| return resId; |
| } |
| } |
| } |
| } |
| return 0; |
| } |
| |
| bool ResTable::expandResourceRef(const char16_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 U16StringToInt(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; |
| int64_t val = 0; |
| bool neg = false; |
| |
| if (*s == '-') { |
| neg = true; |
| i++; |
| } |
| |
| if (s[i] < '0' || s[i] > '9') { |
| return false; |
| } |
| |
| static_assert(std::is_same<uint32_t, Res_value::data_type>::value, |
| "Res_value::data_type has changed. The range checks in this " |
| "function are no longer correct."); |
| |
| // Decimal or hex? |
| bool isHex; |
| if (len > 1 && s[i] == '0' && s[i+1] == 'x') { |
| isHex = true; |
| i += 2; |
| |
| if (neg) { |
| return false; |
| } |
| |
| if (i == len) { |
| // Just u"0x" |
| return false; |
| } |
| |
| bool error = false; |
| while (i < len && !error) { |
| val = (val*16) + get_hex(s[i], &error); |
| i++; |
| |
| if (val > std::numeric_limits<uint32_t>::max()) { |
| return false; |
| } |
| } |
| if (error) { |
| return false; |
| } |
| } else { |
| isHex = false; |
| while (i < len) { |
| if (s[i] < '0' || s[i] > '9') { |
| return false; |
| } |
| val = (val*10) + s[i]-'0'; |
| i++; |
| |
| if ((neg && -val < std::numeric_limits<int32_t>::min()) || |
| (!neg && val > std::numeric_limits<int32_t>::max())) { |
| return false; |
| } |
| } |
| } |
| |
| if (neg) val = -val; |
| |
| while (i < len && isspace16(s[i])) { |
| i++; |
| } |
| |
| if (i != len) { |
| return false; |
| } |
| |
| if (outValue) { |
| outValue->dataType = |
| isHex ? outValue->TYPE_INT_HEX : outValue->TYPE_INT_DEC; |
| outValue->data = static_cast<Res_value::data_type>(val); |
| } |
| return true; |
| } |
| |
| bool ResTable::stringToInt(const char16_t* s, size_t len, Res_value* outValue) |
| { |
| return U16StringToInt(s, len, outValue); |
| } |
| |
| 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] != '.' && buf[0] != '-' && 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') { |
| // Special case @null as undefined. This will be converted by |
| // AssetManager to TYPE_NULL with data DATA_NULL_UNDEFINED. |
| outValue->data = 0; |
| return true; |
| } else if (len == 6 && s[1]=='e' && s[2]=='m' && s[3]=='p' && s[4]=='t' && s[5]=='y') { |
| // Special case @empty as explicitly defined empty value. |
| outValue->dataType = Res_value::TYPE_NULL; |
| outValue->data = Res_value::DATA_NULL_EMPTY; |
| 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 (accessor == NULL || accessor->getAssetsPackage() != package) { |
| if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { |
| if (accessor != NULL) { |
| accessor->reportError(accessorCookie, "Resource is not public."); |
| } |
| return false; |
| } |
| } |
| } |
| |
| if (accessor) { |
| rid = Res_MAKEID( |
| accessor->getRemappedPackage(Res_GETPACKAGE(rid)), |
| Res_GETTYPE(rid), Res_GETENTRY(rid)); |
| if (kDebugTableNoisy) { |
| ALOGI("Incl %s:%s/%s: 0x%08x\n", |
| String8(package).string(), String8(type).string(), |
| String8(name).string(), rid); |
| } |
| } |
| |
| uint32_t packageId = Res_GETPACKAGE(rid) + 1; |
| if (packageId != APP_PACKAGE_ID && packageId != SYS_PACKAGE_ID) { |
| outValue->dataType = Res_value::TYPE_DYNAMIC_REFERENCE; |
| } |
| outValue->data = rid; |
| return true; |
| } |
| |
| if (accessor) { |
| uint32_t rid = accessor->getCustomResourceWithCreation(package, type, name, |
| createIfNotFound); |
| if (rid != 0) { |
| if (kDebugTableNoisy) { |
| ALOGI("Pckg %s:%s/%s: 0x%08x\n", |
| String8(package).string(), String8(type).string(), |
| String8(name).string(), rid); |
| } |
| uint32_t packageId = Res_GETPACKAGE(rid) + 1; |
| if (packageId == 0x00) { |
| outValue->data = rid; |
| outValue->dataType = Res_value::TYPE_DYNAMIC_REFERENCE; |
| return true; |
| } else if (packageId == APP_PACKAGE_ID || packageId == SYS_PACKAGE_ID) { |
| // We accept packageId's generated as 0x01 in order to support |
| // building the android system resources |
| 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) { |
| rid = Res_MAKEID( |
| accessor->getRemappedPackage(Res_GETPACKAGE(rid)), |
| Res_GETTYPE(rid), Res_GETENTRY(rid)); |
| } |
| |
| uint32_t packageId = Res_GETPACKAGE(rid) + 1; |
| if (packageId != APP_PACKAGE_ID && packageId != SYS_PACKAGE_ID) { |
| outValue->dataType = Res_value::TYPE_DYNAMIC_ATTRIBUTE; |
| } |
| outValue->data = rid; |
| return true; |
| } |
| |
| if (accessor) { |
| uint32_t rid = accessor->getCustomResource(package, type, name); |
| if (rid != 0) { |
| uint32_t packageId = Res_GETPACKAGE(rid) + 1; |
| if (packageId == 0x00) { |
| outValue->data = rid; |
| outValue->dataType = Res_value::TYPE_DYNAMIC_ATTRIBUTE; |
| return true; |
| } else if (packageId == APP_PACKAGE_ID || packageId == SYS_PACKAGE_ID) { |
| // We accept packageId's generated as 0x01 in order to support |
| // building the android system resources |
| 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, false, &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, false, &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 String16 ResTable::getBasePackageName(size_t idx) const |
| { |
| if (mError != NO_ERROR) { |
| return String16(); |
| } |
| LOG_FATAL_IF(idx >= mPackageGroups.size(), |
| "Requested package index %d past package count %d", |
| (int)idx, (int)mPackageGroups.size()); |
| return mPackageGroups[idx]->name; |
| } |
| |
| 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; |
| } |
| |
| uint32_t ResTable::getLastTypeIdForPackage(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()); |
| const PackageGroup* const group = mPackageGroups[idx]; |
| return group->largestTypeId; |
| } |
| |
| size_t ResTable::getTableCount() const |
| { |
| return mHeaders.size(); |
| } |
| |
| const ResStringPool* ResTable::getTableStringBlock(size_t index) const |
| { |
| return &mHeaders[index]->values; |
| } |
| |
| int32_t ResTable::getTableCookie(size_t index) const |
| { |
| return mHeaders[index]->cookie; |
| } |
| |
| const DynamicRefTable* ResTable::getDynamicRefTableForCookie(int32_t cookie) const |
| { |
| const size_t N = mPackageGroups.size(); |
| for (size_t i = 0; i < N; i++) { |
| const PackageGroup* pg = mPackageGroups[i]; |
| size_t M = pg->packages.size(); |
| for (size_t j = 0; j < M; j++) { |
| if (pg->packages[j]->header->cookie == cookie) { |
| return &pg->dynamicRefTable; |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| static bool compareResTableConfig(const ResTable_config& a, const ResTable_config& b) { |
| return a.compare(b) < 0; |
| } |
| |
| template <typename Func> |
| void ResTable::forEachConfiguration(bool ignoreMipmap, bool ignoreAndroidPackage, |
| bool includeSystemConfigs, const Func& f) const { |
| const size_t packageCount = mPackageGroups.size(); |
| const String16 android("android"); |
| for (size_t i = 0; i < packageCount; i++) { |
| const PackageGroup* packageGroup = mPackageGroups[i]; |
| if (ignoreAndroidPackage && android == packageGroup->name) { |
| continue; |
| } |
| if (!includeSystemConfigs && packageGroup->isSystemAsset) { |
| continue; |
| } |
| const size_t typeCount = packageGroup->types.size(); |
| for (size_t j = 0; j < typeCount; j++) { |
| const TypeList& typeList = packageGroup->types[j]; |
| const size_t numTypes = typeList.size(); |
| for (size_t k = 0; k < numTypes; k++) { |
| const Type* type = typeList[k]; |
| const ResStringPool& typeStrings = type->package->typeStrings; |
| if (ignoreMipmap && typeStrings.string8ObjectAt( |
| type->typeSpec->id - 1) == "mipmap") { |
| continue; |
| } |
| |
| const size_t numConfigs = type->configs.size(); |
| for (size_t m = 0; m < numConfigs; m++) { |
| const ResTable_type* config = type->configs[m]; |
| ResTable_config cfg; |
| memset(&cfg, 0, sizeof(ResTable_config)); |
| cfg.copyFromDtoH(config->config); |
| |
| f(cfg); |
| } |
| } |
| } |
| } |
| } |
| |
| void ResTable::getConfigurations(Vector<ResTable_config>* configs, bool ignoreMipmap, |
| bool ignoreAndroidPackage, bool includeSystemConfigs) const { |
| auto func = [&](const ResTable_config& cfg) { |
| const auto beginIter = configs->begin(); |
| const auto endIter = configs->end(); |
| |
| auto iter = std::lower_bound(beginIter, endIter, cfg, compareResTableConfig); |
| if (iter == endIter || iter->compare(cfg) != 0) { |
| configs->insertAt(cfg, std::distance(beginIter, iter)); |
| } |
| }; |
| forEachConfiguration(ignoreMipmap, ignoreAndroidPackage, includeSystemConfigs, func); |
| } |
| |
| static bool compareString8AndCString(const String8& str, const char* cStr) { |
| return strcmp(str.string(), cStr) < 0; |
| } |
| |
| void ResTable::getLocales(Vector<String8>* locales, bool includeSystemLocales, |
| bool mergeEquivalentLangs) const { |
| char locale[RESTABLE_MAX_LOCALE_LEN]; |
| |
| forEachConfiguration(false, false, includeSystemLocales, [&](const ResTable_config& cfg) { |
| if (cfg.locale != 0) { |
| cfg.getBcp47Locale(locale, mergeEquivalentLangs /* canonicalize if merging */); |
| |
| const auto beginIter = locales->begin(); |
| const auto endIter = locales->end(); |
| |
| auto iter = std::lower_bound(beginIter, endIter, locale, compareString8AndCString); |
| if (iter == endIter || strcmp(iter->string(), locale) != 0) { |
| locales->insertAt(String8(locale), std::distance(beginIter, iter)); |
| } |
| } |
| }); |
| } |
| |
| StringPoolRef::StringPoolRef(const ResStringPool* pool, uint32_t index) |
| : mPool(pool), mIndex(index) {} |
| |
| StringPoolRef::StringPoolRef() |
| : mPool(NULL), mIndex(0) {} |
| |
| const char* StringPoolRef::string8(size_t* outLen) const { |
| if (mPool != NULL) { |
| return mPool->string8At(mIndex, outLen); |
| } |
| if (outLen != NULL) { |
| *outLen = 0; |
| } |
| return NULL; |
| } |
| |
| const char16_t* StringPoolRef::string16(size_t* outLen) const { |
| if (mPool != NULL) { |
| return mPool->stringAt(mIndex, outLen); |
| } |
| if (outLen != NULL) { |
| *outLen = 0; |
| } |
| return NULL; |
| } |
| |
| bool ResTable::getResourceFlags(uint32_t resID, uint32_t* outFlags) 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 flags for resource number 0x%08x", resID); |
| } else { |
| ALOGW("No known package when getting flags for resource number 0x%08x", resID); |
| } |
| return false; |
| } |
| if (t < 0) { |
| ALOGW("No type identifier when getting flags for resource number 0x%08x", resID); |
| return false; |
| } |
| |
| const PackageGroup* const grp = mPackageGroups[p]; |
| if (grp == NULL) { |
| ALOGW("Bad identifier when getting flags for resource number 0x%08x", resID); |
| return false; |
| } |
| |
| Entry entry; |
| status_t err = getEntry(grp, t, e, NULL, &entry); |
| if (err != NO_ERROR) { |
| return false; |
| } |
| |
| *outFlags = entry.specFlags; |
| return true; |
| } |
| |
| status_t ResTable::getEntry( |
| const PackageGroup* packageGroup, int typeIndex, int entryIndex, |
| const ResTable_config* config, |
| Entry* outEntry) const |
| { |
| const TypeList& typeList = packageGroup->types[typeIndex]; |
| if (typeList.isEmpty()) { |
| ALOGV("Skipping entry type index 0x%02x because type is NULL!\n", typeIndex); |
| return BAD_TYPE; |
| } |
| |
| const ResTable_type* bestType = NULL; |
| uint32_t bestOffset = ResTable_type::NO_ENTRY; |
| const Package* bestPackage = NULL; |
| uint32_t specFlags = 0; |
| uint8_t actualTypeIndex = typeIndex; |
| ResTable_config bestConfig; |
| memset(&bestConfig, 0, sizeof(bestConfig)); |
| |
| // Iterate over the Types of each package. |
| const size_t typeCount = typeList.size(); |
| for (size_t i = 0; i < typeCount; i++) { |
| const Type* const typeSpec = typeList[i]; |
| |
| int realEntryIndex = entryIndex; |
| int realTypeIndex = typeIndex; |
| bool currentTypeIsOverlay = false; |
| |
| // Runtime overlay packages provide a mapping of app resource |
| // ID to package resource ID. |
| if (typeSpec->idmapEntries.hasEntries()) { |
| uint16_t overlayEntryIndex; |
| if (typeSpec->idmapEntries.lookup(entryIndex, &overlayEntryIndex) != NO_ERROR) { |
| // No such mapping exists |
| continue; |
| } |
| realEntryIndex = overlayEntryIndex; |
| realTypeIndex = typeSpec->idmapEntries.overlayTypeId() - 1; |
| currentTypeIsOverlay = true; |
| } |
| |
| if (static_cast<size_t>(realEntryIndex) >= typeSpec->entryCount) { |
| ALOGW("For resource 0x%08x, entry index(%d) is beyond type entryCount(%d)", |
| Res_MAKEID(packageGroup->id - 1, typeIndex, entryIndex), |
| entryIndex, static_cast<int>(typeSpec->entryCount)); |
| // We should normally abort here, but some legacy apps declare |
| // resources in the 'android' package (old bug in AAPT). |
| continue; |
| } |
| |
| // Aggregate all the flags for each package that defines this entry. |
| if (typeSpec->typeSpecFlags != NULL) { |
| specFlags |= dtohl(typeSpec->typeSpecFlags[realEntryIndex]); |
| } else { |
| specFlags = -1; |
| } |
| |
| const Vector<const ResTable_type*>* candidateConfigs = &typeSpec->configs; |
| |
| std::shared_ptr<Vector<const ResTable_type*>> filteredConfigs; |
| if (config && memcmp(&mParams, config, sizeof(mParams)) == 0) { |
| // Grab the lock first so we can safely get the current filtered list. |
| AutoMutex _lock(mFilteredConfigLock); |
| |
| // This configuration is equal to the one we have previously cached for, |
| // so use the filtered configs. |
| |
| const TypeCacheEntry& cacheEntry = packageGroup->typeCacheEntries[typeIndex]; |
| if (i < cacheEntry.filteredConfigs.size()) { |
| if (cacheEntry.filteredConfigs[i]) { |
| // Grab a reference to the shared_ptr so it doesn't get destroyed while |
| // going through this list. |
| filteredConfigs = cacheEntry.filteredConfigs[i]; |
| |
| // Use this filtered list. |
| candidateConfigs = filteredConfigs.get(); |
| } |
| } |
| } |
| |
| const size_t numConfigs = candidateConfigs->size(); |
| for (size_t c = 0; c < numConfigs; c++) { |
| const ResTable_type* const thisType = candidateConfigs->itemAt(c); |
| if (thisType == NULL) { |
| continue; |
| } |
| |
| ResTable_config thisConfig; |
| thisConfig.copyFromDtoH(thisType->config); |
| |
| // Check to make sure this one is valid for the current parameters. |
| if (config != NULL && !thisConfig.match(*config)) { |
| continue; |
| } |
| |
| // Check if there is the desired entry in this type. |
| const uint32_t* const eindex = reinterpret_cast<const uint32_t*>( |
| reinterpret_cast<const uint8_t*>(thisType) + dtohs(thisType->header.headerSize)); |
| |
| uint32_t thisOffset = dtohl(eindex[realEntryIndex]); |
| if (thisOffset == ResTable_type::NO_ENTRY) { |
| // There is no entry for this index and configuration. |
| continue; |
| } |
| |
| if (bestType != 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)) { |
| if (!currentTypeIsOverlay || thisConfig.compare(bestConfig) != 0) { |
| continue; |
| } |
| } |
| } |
| |
| bestType = thisType; |
| bestOffset = thisOffset; |
| bestConfig = thisConfig; |
| bestPackage = typeSpec->package; |
| actualTypeIndex = realTypeIndex; |
| |
| // If no config was specified, any type will do, so skip |
| if (config == NULL) { |
| break; |
| } |
| } |
| } |
| |
| if (bestType == NULL) { |
| return BAD_INDEX; |
| } |
| |
| bestOffset += dtohl(bestType->entriesStart); |
| |
| if (bestOffset > (dtohl(bestType->header.size)-sizeof(ResTable_entry))) { |
| ALOGW("ResTable_entry at 0x%x is beyond type chunk data 0x%x", |
| bestOffset, dtohl(bestType->header.size)); |
| return BAD_TYPE; |
| } |
| if ((bestOffset & 0x3) != 0) { |
| ALOGW("ResTable_entry at 0x%x is not on an integer boundary", bestOffset); |
| return BAD_TYPE; |
| } |
| |
| const ResTable_entry* const entry = reinterpret_cast<const ResTable_entry*>( |
| reinterpret_cast<const uint8_t*>(bestType) + bestOffset); |
| if (dtohs(entry->size) < sizeof(*entry)) { |
| ALOGW("ResTable_entry size 0x%x is too small", dtohs(entry->size)); |
| return BAD_TYPE; |
| } |
| |
| if (outEntry != NULL) { |
| outEntry->entry = entry; |
| outEntry->config = bestConfig; |
| outEntry->type = bestType; |
| outEntry->specFlags = specFlags; |
| outEntry->package = bestPackage; |
| outEntry->typeStr = StringPoolRef(&bestPackage->typeStrings, actualTypeIndex - bestPackage->typeIdOffset); |
| outEntry->keyStr = StringPoolRef(&bestPackage->keyStrings, dtohl(entry->key.index)); |
| } |
| return NO_ERROR; |
| } |
| |
| status_t ResTable::parsePackage(const ResTable_package* const pkg, |
| const Header* const header, bool appAsLib, bool isSystemAsset) |
| { |
| const uint8_t* base = (const uint8_t*)pkg; |
| status_t err = validate_chunk(&pkg->header, sizeof(*pkg) - sizeof(pkg->typeIdOffset), |
| header->dataEnd, "ResTable_package"); |
| if (err != NO_ERROR) { |
| return (mError=err); |
| } |
| |
| const uint32_t pkgSize = dtohl(pkg->header.size); |
| |
| if (dtohl(pkg->typeStrings) >= pkgSize) { |
| ALOGW("ResTable_package type strings at 0x%x are past chunk size 0x%x.", |
| dtohl(pkg->typeStrings), pkgSize); |
| return (mError=BAD_TYPE); |
| } |
| if ((dtohl(pkg->typeStrings)&0x3) != 0) { |
| ALOGW("ResTable_package type strings at 0x%x is not on an integer boundary.", |
| dtohl(pkg->typeStrings)); |
| return (mError=BAD_TYPE); |
| } |
| if (dtohl(pkg->keyStrings) >= pkgSize) { |
| ALOGW("ResTable_package key strings at 0x%x are past chunk size 0x%x.", |
| dtohl(pkg->keyStrings), pkgSize); |
| return (mError=BAD_TYPE); |
| } |
| if ((dtohl(pkg->keyStrings)&0x3) != 0) { |
| ALOGW("ResTable_package key strings at 0x%x is not on an integer boundary.", |
| dtohl(pkg->keyStrings)); |
| return (mError=BAD_TYPE); |
| } |
| |
| uint32_t id = dtohl(pkg->id); |
| KeyedVector<uint8_t, IdmapEntries> idmapEntries; |
| |
| if (header->resourceIDMap != NULL) { |
| uint8_t targetPackageId = 0; |
| status_t err = parseIdmap(header->resourceIDMap, header->resourceIDMapSize, &targetPackageId, &idmapEntries); |
| if (err != NO_ERROR) { |
| ALOGW("Overlay is broken"); |
| return (mError=err); |
| } |
| id = targetPackageId; |
| } |
| |
| if (id >= 256) { |
| LOG_ALWAYS_FATAL("Package id out of range"); |
| return NO_ERROR; |
| } else if (id == 0 || (id == 0x7f && appAsLib) || isSystemAsset) { |
| // This is a library or a system asset, so assign an ID |
| id = mNextPackageId++; |
| } |
| |
| PackageGroup* group = NULL; |
| Package* package = new Package(this, header, pkg); |
| if (package == NULL) { |
| 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); |
| } |
| |
| size_t idx = mPackageMap[id]; |
| if (idx == 0) { |
| idx = mPackageGroups.size() + 1; |
| |
| char16_t tmpName[sizeof(pkg->name)/sizeof(pkg->name[0])]; |
| strcpy16_dtoh(tmpName, pkg->name, sizeof(pkg->name)/sizeof(pkg->name[0])); |
| group = new PackageGroup(this, String16(tmpName), id, appAsLib, isSystemAsset); |
| if (group == NULL) { |
| delete package; |
| return (mError=NO_MEMORY); |
| } |
| |
| err = mPackageGroups.add(group); |
| if (err < NO_ERROR) { |
| return (mError=err); |
| } |
| |
| mPackageMap[id] = static_cast<uint8_t>(idx); |
| |
| // Find all packages that reference this package |
| size_t N = mPackageGroups.size(); |
| for (size_t i = 0; i < N; i++) { |
| mPackageGroups[i]->dynamicRefTable.addMapping( |
| group->name, static_cast<uint8_t>(group->id)); |
| } |
| } 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); |
| } |
| |
| // Iterate through all chunks. |
| 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))) { |
| if (kDebugTableNoisy) { |
| 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); |
| const size_t newEntryCount = dtohl(typeSpec->entryCount); |
| |
| if (kDebugLoadTableNoisy) { |
| ALOGI("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*)typeSpecSize); |
| } |
| // 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)*newEntryCount) |
| > typeSpecSize)) { |
| ALOGW("ResTable_typeSpec entry index to %p extends beyond chunk end %p.", |
| (void*)(dtohs(typeSpec->header.headerSize) + (sizeof(uint32_t)*newEntryCount)), |
| (void*)typeSpecSize); |
| return (mError=BAD_TYPE); |
| } |
| |
| if (typeSpec->id == 0) { |
| ALOGW("ResTable_type has an id of 0."); |
| return (mError=BAD_TYPE); |
| } |
| |
| if (newEntryCount > 0) { |
| uint8_t typeIndex = typeSpec->id - 1; |
| ssize_t idmapIndex = idmapEntries.indexOfKey(typeSpec->id); |
| if (idmapIndex >= 0) { |
| typeIndex = idmapEntries[idmapIndex].targetTypeId() - 1; |
| } |
| |
| TypeList& typeList = group->types.editItemAt(typeIndex); |
| if (!typeList.isEmpty()) { |
| const Type* existingType = typeList[0]; |
| if (existingType->entryCount != newEntryCount && idmapIndex < 0) { |
| ALOGW("ResTable_typeSpec entry count inconsistent: given %d, previously %d", |
| (int) newEntryCount, (int) existingType->entryCount); |
| // We should normally abort here, but some legacy apps declare |
| // resources in the 'android' package (old bug in AAPT). |
| } |
| } |
| |
| Type* t = new Type(header, package, newEntryCount); |
| t->typeSpec = typeSpec; |
| t->typeSpecFlags = (const uint32_t*)( |
| ((const uint8_t*)typeSpec) + dtohs(typeSpec->header.headerSize)); |
| if (idmapIndex >= 0) { |
| t->idmapEntries = idmapEntries[idmapIndex]; |
| } |
| typeList.add(t); |
| group->largestTypeId = max(group->largestTypeId, typeSpec->id); |
| } else { |
| ALOGV("Skipping empty ResTable_typeSpec for type %d", typeSpec->id); |
| } |
| |
| } 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 uint32_t typeSize = dtohl(type->header.size); |
| const size_t newEntryCount = dtohl(type->entryCount); |
| |
| if (kDebugLoadTableNoisy) { |
| printf("Type off %p: type=0x%x, headerSize=0x%x, size=%u\n", |
| (void*)(base-(const uint8_t*)chunk), |
| dtohs(type->header.type), |
| dtohs(type->header.headerSize), |
| typeSize); |
| } |
| if (dtohs(type->header.headerSize)+(sizeof(uint32_t)*newEntryCount) > typeSize) { |
| ALOGW("ResTable_type entry index to %p extends beyond chunk end 0x%x.", |
| (void*)(dtohs(type->header.headerSize) + (sizeof(uint32_t)*newEntryCount)), |
| typeSize); |
| return (mError=BAD_TYPE); |
| } |
| |
| if (newEntryCount != 0 |
| && dtohl(type->entriesStart) > (typeSize-sizeof(ResTable_entry))) { |
| ALOGW("ResTable_type entriesStart at 0x%x extends beyond chunk end 0x%x.", |
| dtohl(type->entriesStart), typeSize); |
| return (mError=BAD_TYPE); |
| } |
| |
| if (type->id == 0) { |
| ALOGW("ResTable_type has an id of 0."); |
| return (mError=BAD_TYPE); |
| } |
| |
| if (newEntryCount > 0) { |
| uint8_t typeIndex = type->id - 1; |
| ssize_t idmapIndex = idmapEntries.indexOfKey(type->id); |
| if (idmapIndex >= 0) { |
| typeIndex = idmapEntries[idmapIndex].targetTypeId() - 1; |
| } |
| |
| TypeList& typeList = group->types.editItemAt(typeIndex); |
| if (typeList.isEmpty()) { |
| ALOGE("No TypeSpec for type %d", type->id); |
| return (mError=BAD_TYPE); |
| } |
| |
| Type* t = typeList.editItemAt(typeList.size() - 1); |
| if (newEntryCount != t->entryCount) { |
| ALOGE("ResTable_type entry count inconsistent: given %d, previously %d", |
| (int)newEntryCount, (int)t->entryCount); |
| return (mError=BAD_TYPE); |
| } |
| |
| if (t->package != package) { |
| ALOGE("No TypeSpec for type %d", type->id); |
| return (mError=BAD_TYPE); |
| } |
| |
| t->configs.add(type); |
| |
| if (kDebugTableGetEntry) { |
| ResTable_config thisConfig; |
| thisConfig.copyFromDtoH(type->config); |
| ALOGI("Adding config to type %d: %s\n", type->id, |
| thisConfig.toString().string()); |
| } |
| } else { |
| ALOGV("Skipping empty ResTable_type for type %d", type->id); |
| } |
| |
| } else if (ctype == RES_TABLE_LIBRARY_TYPE) { |
| if (group->dynamicRefTable.entries().size() == 0) { |
| status_t err = group->dynamicRefTable.load((const ResTable_lib_header*) chunk); |
| if (err != NO_ERROR) { |
| return (mError=err); |
| } |
| |
| // Fill in the reference table with the entries we already know about. |
| size_t N = mPackageGroups.size(); |
| for (size_t i = 0; i < N; i++) { |
| group->dynamicRefTable.addMapping(mPackageGroups[i]->name, mPackageGroups[i]->id); |
| } |
| } else { |
| ALOGW("Found multiple library tables, ignoring..."); |
| } |
| } 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); |
| } |
| |
| return NO_ERROR; |
| } |
| |
| DynamicRefTable::DynamicRefTable(uint8_t packageId, bool appAsLib) |
| : mAssignedPackageId(packageId) |
| , mAppAsLib(appAsLib) |
| { |
| memset(mLookupTable, 0, sizeof(mLookupTable)); |
| |
| // Reserved package ids |
| mLookupTable[APP_PACKAGE_ID] = APP_PACKAGE_ID; |
| mLookupTable[SYS_PACKAGE_ID] = SYS_PACKAGE_ID; |
| } |
| |
| status_t DynamicRefTable::load(const ResTable_lib_header* const header) |
| { |
| const uint32_t entryCount = dtohl(header->count); |
| const uint32_t sizeOfEntries = sizeof(ResTable_lib_entry) * entryCount; |
| const uint32_t expectedSize = dtohl(header->header.size) - dtohl(header->header.headerSize); |
| if (sizeOfEntries > expectedSize) { |
| ALOGE("ResTable_lib_header size %u is too small to fit %u entries (x %u).", |
| expectedSize, entryCount, (uint32_t)sizeof(ResTable_lib_entry)); |
| return UNKNOWN_ERROR; |
| } |
| |
| const ResTable_lib_entry* entry = (const ResTable_lib_entry*)(((uint8_t*) header) + |
| dtohl(header->header.headerSize)); |
| for (uint32_t entryIndex = 0; entryIndex < entryCount; entryIndex++) { |
| uint32_t packageId = dtohl(entry->packageId); |
| char16_t tmpName[sizeof(entry->packageName) / sizeof(char16_t)]; |
| strcpy16_dtoh(tmpName, entry->packageName, sizeof(entry->packageName) / sizeof(char16_t)); |
| if (kDebugLibNoisy) { |
| ALOGV("Found lib entry %s with id %d\n", String8(tmpName).string(), |
| dtohl(entry->packageId)); |
| } |
| if (packageId >= 256) { |
| ALOGE("Bad package id 0x%08x", packageId); |
| return UNKNOWN_ERROR; |
| } |
| mEntries.replaceValueFor(String16(tmpName), (uint8_t) packageId); |
| entry = entry + 1; |
| } |
| return NO_ERROR; |
| } |
| |
| status_t DynamicRefTable::addMappings(const DynamicRefTable& other) { |
| if (mAssignedPackageId != other.mAssignedPackageId) { |
| return UNKNOWN_ERROR; |
| } |
| |
| const size_t entryCount = other.mEntries.size(); |
| for (size_t i = 0; i < entryCount; i++) { |
| ssize_t index = mEntries.indexOfKey(other.mEntries.keyAt(i)); |
| if (index < 0) { |
| mEntries.add(other.mEntries.keyAt(i), other.mEntries[i]); |
| } else { |
| if (other.mEntries[i] != mEntries[index]) { |
| return UNKNOWN_ERROR; |
| } |
| } |
| } |
| |
| // Merge the lookup table. No entry can conflict |
| // (value of 0 means not set). |
| for (size_t i = 0; i < 256; i++) { |
| if (mLookupTable[i] != other.mLookupTable[i]) { |
| if (mLookupTable[i] == 0) { |
| mLookupTable[i] = other.mLookupTable[i]; |
| } else if (other.mLookupTable[i] != 0) { |
| return UNKNOWN_ERROR; |
| } |
| } |
| } |
| return NO_ERROR; |
| } |
| |
| status_t DynamicRefTable::addMapping(const String16& packageName, uint8_t packageId) |
| { |
| ssize_t index = mEntries.indexOfKey(packageName); |
| if (index < 0) { |
| return UNKNOWN_ERROR; |
| } |
| mLookupTable[mEntries.valueAt(index)] = packageId; |
| return NO_ERROR; |
| } |
| |
| status_t DynamicRefTable::lookupResourceId(uint32_t* resId) const { |
| uint32_t res = *resId; |
| size_t packageId = Res_GETPACKAGE(res) + 1; |
| |
| if (packageId == APP_PACKAGE_ID && !mAppAsLib) { |
| // No lookup needs to be done, app package IDs are absolute. |
| return NO_ERROR; |
| } |
| |
| if (packageId == 0 || (packageId == APP_PACKAGE_ID && mAppAsLib)) { |
| // The package ID is 0x00. That means that a shared library is accessing |
| // its own local resource. |
| // Or if app resource is loaded as shared library, the resource which has |
| // app package Id is local resources. |
| // so we fix up those resources with the calling package ID. |
| *resId = (0xFFFFFF & (*resId)) | (((uint32_t) mAssignedPackageId) << 24); |
| return NO_ERROR; |
| } |
| |
| // Do a proper lookup. |
| uint8_t translatedId = mLookupTable[packageId]; |
| if (translatedId == 0) { |
| ALOGV("DynamicRefTable(0x%02x): No mapping for build-time package ID 0x%02x.", |
| (uint8_t)mAssignedPackageId, (uint8_t)packageId); |
| for (size_t i = 0; i < 256; i++) { |
| if (mLookupTable[i] != 0) { |
| ALOGV("e[0x%02x] -> 0x%02x", (uint8_t)i, mLookupTable[i]); |
| } |
| } |
| return UNKNOWN_ERROR; |
| } |
| |
| *resId = (res & 0x00ffffff) | (((uint32_t) translatedId) << 24); |
| return NO_ERROR; |
| } |
| |
| status_t DynamicRefTable::lookupResourceValue(Res_value* value) const { |
| uint8_t resolvedType = Res_value::TYPE_REFERENCE; |
| switch (value->dataType) { |
| case Res_value::TYPE_ATTRIBUTE: |
| resolvedType = Res_value::TYPE_ATTRIBUTE; |
| // fallthrough |
| case Res_value::TYPE_REFERENCE: |
| if (!mAppAsLib) { |
| return NO_ERROR; |
| } |
| |
| // If the package is loaded as shared library, the resource reference |
| // also need to be fixed. |
| break; |
| case Res_value::TYPE_DYNAMIC_ATTRIBUTE: |
| resolvedType = Res_value::TYPE_ATTRIBUTE; |
| // fallthrough |
| case Res_value::TYPE_DYNAMIC_REFERENCE: |
| break; |
| default: |
| return NO_ERROR; |
| } |
| |
| status_t err = lookupResourceId(&value->data); |
| if (err != NO_ERROR) { |
| return err; |
| } |
| |
| value->dataType = resolvedType; |
| return NO_ERROR; |
| } |
| |
| struct IdmapTypeMap { |
| ssize_t overlayTypeId; |
| size_t entryOffset; |
| Vector<uint32_t> entryMap; |
| }; |
| |
| status_t ResTable::createIdmap(const ResTable& overlay, |
| uint32_t targetCrc, uint32_t overlayCrc, |
| const char* targetPath, const char* overlayPath, |
| void** outData, size_t* outSize) const |
| { |
| // see README for details on the format of map |
| if (mPackageGroups.size() == 0) { |
| ALOGW("idmap: target package has no package groups, cannot create idmap\n"); |
| return UNKNOWN_ERROR; |
| } |
| |
| if (mPackageGroups[0]->packages.size() == 0) { |
| ALOGW("idmap: target package has no packages in its first package group, " |
| "cannot create idmap\n"); |
| return UNKNOWN_ERROR; |
| } |
| |
| KeyedVector<uint8_t, IdmapTypeMap> map; |
| |
| // overlaid packages are assumed to contain only one package group |
| const PackageGroup* pg = mPackageGroups[0]; |
| |
| // starting size is header |
| *outSize = ResTable::IDMAP_HEADER_SIZE_BYTES; |
| |
| // target package id and number of types in map |
| *outSize += 2 * sizeof(uint16_t); |
| |
| // overlay packages are assumed to contain only one package group |
| const ResTable_package* overlayPackageStruct = overlay.mPackageGroups[0]->packages[0]->package; |
| char16_t tmpName[sizeof(overlayPackageStruct->name)/sizeof(overlayPackageStruct->name[0])]; |
| strcpy16_dtoh(tmpName, overlayPackageStruct->name, sizeof(overlayPackageStruct->name)/sizeof(overlayPackageStruct->name[0])); |
| const String16 overlayPackage(tmpName); |
| |
| for (size_t typeIndex = 0; typeIndex < pg->types.size(); ++typeIndex) { |
| const TypeList& typeList = pg->types[typeIndex]; |
| if (typeList.isEmpty()) { |
| continue; |
| } |
| |
| const Type* typeConfigs = typeList[0]; |
| |
| IdmapTypeMap typeMap; |
| typeMap.overlayTypeId = -1; |
| typeMap.entryOffset = 0; |
| |
| for (size_t entryIndex = 0; entryIndex < typeConfigs->entryCount; ++entryIndex) { |
| uint32_t resID = Res_MAKEID(pg->id - 1, typeIndex, entryIndex); |
| resource_name resName; |
| if (!this->getResourceName(resID, false, &resName)) { |
| if (typeMap.entryMap.isEmpty()) { |
| typeMap.entryOffset++; |
| } |
| 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) { |
| if (typeMap.entryMap.isEmpty()) { |
| typeMap.entryOffset++; |
| } |
| continue; |
| } |
| |
| if (typeMap.overlayTypeId == -1) { |
| typeMap.overlayTypeId = Res_GETTYPE(overlayResID) + 1; |
| } |
| |
| if (Res_GETTYPE(overlayResID) + 1 != static_cast<size_t>(typeMap.overlayTypeId)) { |
| ALOGE("idmap: can't mix type ids in entry map. Resource 0x%08x maps to 0x%08x" |
| " but entries should map to resources of type %02zx", |
| resID, overlayResID, typeMap.overlayTypeId); |
| return BAD_TYPE; |
| } |
| |
| if (typeMap.entryOffset + typeMap.entryMap.size() < entryIndex) { |
| // pad with 0xffffffff's (indicating non-existing entries) before adding this entry |
| size_t index = typeMap.entryMap.size(); |
| size_t numItems = entryIndex - (typeMap.entryOffset + index); |
| if (typeMap.entryMap.insertAt(0xffffffff, index, numItems) < 0) { |
| return NO_MEMORY; |
| } |
| } |
| typeMap.entryMap.add(Res_GETENTRY(overlayResID)); |
| } |
| |
| if (!typeMap.entryMap.isEmpty()) { |
| if (map.add(static_cast<uint8_t>(typeIndex), typeMap) < 0) { |
| return NO_MEMORY; |
| } |
| *outSize += (4 * sizeof(uint16_t)) + (typeMap.entryMap.size() * sizeof(uint32_t)); |
| } |
| } |
| |
| if (map.isEmpty()) { |
| ALOGW("idmap: no resources in overlay package present in base package"); |
| return UNKNOWN_ERROR; |
| } |
| |
| if ((*outData = malloc(*outSize)) == NULL) { |
| return NO_MEMORY; |
| } |
| |
| uint32_t* data = (uint32_t*)*outData; |
| *data++ = htodl(IDMAP_MAGIC); |
| *data++ = htodl(IDMAP_CURRENT_VERSION); |
| *data++ = htodl(targetCrc); |
| *data++ = htodl(overlayCrc); |
| const char* paths[] = { targetPath, overlayPath }; |
| for (int j = 0; j < 2; ++j) { |
| char* p = (char*)data; |
| const char* path = paths[j]; |
| const size_t I = strlen(path); |
| if (I > 255) { |
| ALOGV("path exceeds expected 255 characters: %s\n", path); |
| return UNKNOWN_ERROR; |
| } |
| for (size_t i = 0; i < 256; ++i) { |
| *p++ = i < I ? path[i] : '\0'; |
| } |
| data += 256 / sizeof(uint32_t); |
| } |
| const size_t mapSize = map.size(); |
| uint16_t* typeData = reinterpret_cast<uint16_t*>(data); |
| *typeData++ = htods(pg->id); |
| *typeData++ = htods(mapSize); |
| for (size_t i = 0; i < mapSize; ++i) { |
| uint8_t targetTypeId = map.keyAt(i); |
| const IdmapTypeMap& typeMap = map[i]; |
| *typeData++ = htods(targetTypeId + 1); |
| *typeData++ = htods(typeMap.overlayTypeId); |
| *typeData++ = htods(typeMap.entryMap.size()); |
| *typeData++ = htods(typeMap.entryOffset); |
| |
| const size_t entryCount = typeMap.entryMap.size(); |
| uint32_t* entries = reinterpret_cast<uint32_t*>(typeData); |
| for (size_t j = 0; j < entryCount; j++) { |
| entries[j] = htodl(typeMap.entryMap[j]); |
| } |
| typeData += entryCount * 2; |
| } |
| |
| return NO_ERROR; |
| } |
| |
| bool ResTable::getIdmapInfo(const void* idmap, size_t sizeBytes, |
| uint32_t* pVersion, |
| uint32_t* pTargetCrc, uint32_t* pOverlayCrc, |
| String8* pTargetPath, String8* pOverlayPath) |
| { |
| const uint32_t* map = (const uint32_t*)idmap; |
| if (!assertIdmapHeader(map, sizeBytes)) { |
| return false; |
| } |
| if (pVersion) { |
| *pVersion = dtohl(map[1]); |
| } |
| if (pTargetCrc) { |
| *pTargetCrc = dtohl(map[2]); |
| } |
| if (pOverlayCrc) { |
| *pOverlayCrc = dtohl(map[3]); |
| } |
| if (pTargetPath) { |
| pTargetPath->setTo(reinterpret_cast<const char*>(map + 4)); |
| } |
| if (pOverlayPath) { |
| pOverlayPath->setTo(reinterpret_cast<const char*>(map + 4 + 256 / sizeof(uint32_t))); |
| } |
| return true; |
| } |
| |
| |
| #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)))) |
| |
| static 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) { |
| if (value.data == Res_value::DATA_NULL_UNDEFINED) { |
| printf("(null)\n"); |
| } else if (value.data == Res_value::DATA_NULL_EMPTY) { |
| printf("(null empty)\n"); |
| } else { |
| // This should never happen. |
| printf("(null) 0x%08x\n", value.data); |
| } |
| } else if (value.dataType == Res_value::TYPE_REFERENCE) { |
| printf("(reference) 0x%08x\n", value.data); |
| } else if (value.dataType == Res_value::TYPE_DYNAMIC_REFERENCE) { |
| printf("(dynamic 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_DYNAMIC_ATTRIBUTE) { |
| printf("(dynamic 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)); |
| } |
| 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=0x%02x packageCount=%d name=%s\n", |
| (int)pgIndex, pg->id, (int)pg->packages.size(), |
| String8(pg->name).string()); |
| |
| const KeyedVector<String16, uint8_t>& refEntries = pg->dynamicRefTable.entries(); |
| const size_t refEntryCount = refEntries.size(); |
| if (refEntryCount > 0) { |
| printf(" DynamicRefTable entryCount=%d:\n", (int) refEntryCount); |
| for (size_t refIndex = 0; refIndex < refEntryCount; refIndex++) { |
| printf(" 0x%02x -> %s\n", |
| refEntries.valueAt(refIndex), |
| String8(refEntries.keyAt(refIndex)).string()); |
| } |
| printf("\n"); |
| } |
| |
| int packageId = pg->id; |
| size_t pkgCount = pg->packages.size(); |
| for (size_t pkgIndex=0; pkgIndex<pkgCount; pkgIndex++) { |
| const Package* pkg = pg->packages[pkgIndex]; |
| // Use a package's real ID, since the ID may have been assigned |
| // if this package is a shared library. |
| packageId = pkg->package->id; |
| char16_t tmpName[sizeof(pkg->package->name)/sizeof(pkg->package->name[0])]; |
| strcpy16_dtoh(tmpName, pkg->package->name, sizeof(pkg->package->name)/sizeof(pkg->package->name[0])); |
| printf(" Package %d id=0x%02x name=%s\n", (int)pkgIndex, |
| pkg->package->id, String8(tmpName).string()); |
| } |
| |
| for (size_t typeIndex=0; typeIndex < pg->types.size(); typeIndex++) { |
| const TypeList& typeList = pg->types[typeIndex]; |
| if (typeList.isEmpty()) { |
| continue; |
| } |
| const Type* typeConfigs = typeList[0]; |
| 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 & ((packageId)<<24)) |
| | (0x00ff0000 & ((typeIndex+1)<<16)) |
| | (0x0000ffff & (entryIndex)); |
| // Since we are creating resID without actually |
| // iterating over them, we have no idea which is a |
| // dynamic reference. We must check. |
| if (packageId == 0) { |
| pg->dynamicRefTable.lookupResourceId(&resID); |
| } |
| |
| resource_name resName; |
| if (this->getResourceName(resID, true, &resName)) { |
| String8 type8; |
| String8 name8; |
| if (resName.type8 != NULL) { |
| type8 = String8(resName.type8, resName.typeLen); |
| } else { |
| type8 = String8(resName.type, resName.typeLen); |
| } |
| if (resName.name8 != NULL) { |
| name8 = String8(resName.name8, resName.nameLen); |
| } else { |
| name8 = String8(resName.name, resName.nameLen); |
| } |
| printf(" spec resource 0x%08x %s:%s/%s: flags=0x%08x\n", |
| resID, |
| CHAR16_TO_CSTR(resName.package, resName.packageLen), |
| type8.string(), name8.string(), |
| 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; |
| } |
| |
| // Always copy the config, as fields get added and we need to |
| // set the defaults. |
| ResTable_config thisConfig; |
| thisConfig.copyFromDtoH(type->config); |
| |
| String8 configStr = thisConfig.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: 0x%x\n", entriesStart); |
| continue; |
| } |
| uint32_t typeSize = dtohl(type->header.size); |
| if ((typeSize&0x3) != 0) { |
| printf(" NON-INTEGER ResTable_type header.size: 0x%x\n", typeSize); |
| continue; |
| } |
| for (size_t entryIndex=0; entryIndex<entryCount; entryIndex++) { |
| 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 & ((packageId)<<24)) |
| | (0x00ff0000 & ((typeIndex+1)<<16)) |
| | (0x0000ffff & (entryIndex)); |
| if (packageId == 0) { |
| pg->dynamicRefTable.lookupResourceId(&resID); |
| } |
| resource_name resName; |
| if (this->getResourceName(resID, true, &resName)) { |
| String8 type8; |
| String8 name8; |
| if (resName.type8 != NULL) { |
| type8 = String8(resName.type8, resName.typeLen); |
| } else { |
| type8 = String8(resName.type, resName.typeLen); |
| } |
| if (resName.name8 != NULL) { |
| name8 = String8(resName.name8, resName.nameLen); |
| } else { |
| name8 = String8(resName.name, resName.nameLen); |
| } |
| printf(" resource 0x%08x %s:%s/%s: ", resID, |
| CHAR16_TO_CSTR(resName.package, resName.packageLen), |
| type8.string(), name8.string()); |
| } else { |
| printf(" INVALID RESOURCE 0x%08x: ", resID); |
| } |
| if ((thisOffset&0x3) != 0) { |
| printf("NON-INTEGER OFFSET: 0x%x\n", thisOffset); |
| continue; |
| } |
| if ((thisOffset+sizeof(ResTable_entry)) > typeSize) { |
| printf("OFFSET OUT OF BOUNDS: 0x%x+0x%x (size is 0x%x)\n", |
| entriesStart, thisOffset, 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: 0x%x\n", |
| (entriesStart + thisOffset)); |
| continue; |
| } |
| |
| uintptr_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: 0x%x+0x%x+%p (size is 0x%x)\n", |
| entriesStart, thisOffset, (void *)esize, 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(typeConfigs->package, 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); |
| const uint32_t parent = dtohl(bagPtr->parent.ident); |
| uint32_t resolvedParent = parent; |
| if (Res_GETPACKAGE(resolvedParent) + 1 == 0) { |
| status_t err = pg->dynamicRefTable.lookupResourceId(&resolvedParent); |
| if (err != NO_ERROR) { |
| resolvedParent = 0; |
| } |
| } |
| printf(" Parent=0x%08x(Resolved=0x%08x), Count=%d\n", |
| parent, resolvedParent, 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(typeConfigs->package, value); |
| const size_t size = dtohs(mapPtr->value.size); |
| mapOffset += size + sizeof(*mapPtr)-sizeof(mapPtr->value); |
| mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| } // namespace android |