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Diffstat (limited to 'libs/androidfw/ResourceTypes.cpp')
| -rw-r--r-- | libs/androidfw/ResourceTypes.cpp | 5580 |
1 files changed, 5580 insertions, 0 deletions
diff --git a/libs/androidfw/ResourceTypes.cpp b/libs/androidfw/ResourceTypes.cpp new file mode 100644 index 0000000..07f3b16 --- /dev/null +++ b/libs/androidfw/ResourceTypes.cpp @@ -0,0 +1,5580 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define LOG_TAG "ResourceType" +//#define LOG_NDEBUG 0 + +#include <androidfw/ResourceTypes.h> +#include <utils/Atomic.h> +#include <utils/ByteOrder.h> +#include <utils/Debug.h> +#include <utils/Log.h> +#include <utils/String16.h> +#include <utils/String8.h> +#include <utils/TextOutput.h> + +#include <stdlib.h> +#include <string.h> +#include <memory.h> +#include <ctype.h> +#include <stdint.h> + +#ifndef INT32_MAX +#define INT32_MAX ((int32_t)(2147483647)) +#endif + +#define POOL_NOISY(x) //x +#define XML_NOISY(x) //x +#define TABLE_NOISY(x) //x +#define TABLE_GETENTRY(x) //x +#define TABLE_SUPER_NOISY(x) //x +#define LOAD_TABLE_NOISY(x) //x +#define TABLE_THEME(x) //x + +namespace android { + +#ifdef HAVE_WINSOCK +#undef nhtol +#undef htonl + +#ifdef HAVE_LITTLE_ENDIAN +#define ntohl(x) ( ((x) << 24) | (((x) >> 24) & 255) | (((x) << 8) & 0xff0000) | (((x) >> 8) & 0xff00) ) +#define htonl(x) ntohl(x) +#define ntohs(x) ( (((x) << 8) & 0xff00) | (((x) >> 8) & 255) ) +#define htons(x) ntohs(x) +#else +#define ntohl(x) (x) +#define htonl(x) (x) +#define ntohs(x) (x) +#define htons(x) (x) +#endif +#endif + +#define IDMAP_MAGIC 0x706d6469 +// size measured in sizeof(uint32_t) +#define IDMAP_HEADER_SIZE (ResTable::IDMAP_HEADER_SIZE_BYTES / sizeof(uint32_t)) + +static void printToLogFunc(void* cookie, const char* txt) +{ + ALOGV("%s", txt); +} + +// Standard C isspace() is only required to look at the low byte of its input, so +// produces incorrect results for UTF-16 characters. For safety's sake, assume that +// any high-byte UTF-16 code point is not whitespace. +inline int isspace16(char16_t c) { + return (c < 0x0080 && isspace(c)); +} + +// range checked; guaranteed to NUL-terminate within the stated number of available slots +// NOTE: if this truncates the dst string due to running out of space, no attempt is +// made to avoid splitting surrogate pairs. +static void strcpy16_dtoh(uint16_t* dst, const uint16_t* src, size_t avail) +{ + uint16_t* last = dst + avail - 1; + while (*src && (dst < last)) { + char16_t s = dtohs(*src); + *dst++ = s; + src++; + } + *dst = 0; +} + +static status_t validate_chunk(const ResChunk_header* chunk, + size_t minSize, + const uint8_t* dataEnd, + const char* name) +{ + const uint16_t headerSize = dtohs(chunk->headerSize); + const uint32_t size = dtohl(chunk->size); + + if (headerSize >= minSize) { + if (headerSize <= size) { + if (((headerSize|size)&0x3) == 0) { + if ((ssize_t)size <= (dataEnd-((const uint8_t*)chunk))) { + return NO_ERROR; + } + ALOGW("%s data size %p extends beyond resource end %p.", + name, (void*)size, + (void*)(dataEnd-((const uint8_t*)chunk))); + return BAD_TYPE; + } + ALOGW("%s size 0x%x or headerSize 0x%x is not on an integer boundary.", + name, (int)size, (int)headerSize); + return BAD_TYPE; + } + ALOGW("%s size %p is smaller than header size %p.", + name, (void*)size, (void*)(int)headerSize); + return BAD_TYPE; + } + ALOGW("%s header size %p is too small.", + name, (void*)(int)headerSize); + return BAD_TYPE; +} + +inline void Res_value::copyFrom_dtoh(const Res_value& src) +{ + size = dtohs(src.size); + res0 = src.res0; + dataType = src.dataType; + data = dtohl(src.data); +} + +void Res_png_9patch::deviceToFile() +{ + for (int i = 0; i < numXDivs; i++) { + xDivs[i] = htonl(xDivs[i]); + } + for (int i = 0; i < numYDivs; i++) { + yDivs[i] = htonl(yDivs[i]); + } + paddingLeft = htonl(paddingLeft); + paddingRight = htonl(paddingRight); + paddingTop = htonl(paddingTop); + paddingBottom = htonl(paddingBottom); + for (int i=0; i<numColors; i++) { + colors[i] = htonl(colors[i]); + } +} + +void Res_png_9patch::fileToDevice() +{ + for (int i = 0; i < numXDivs; i++) { + xDivs[i] = ntohl(xDivs[i]); + } + for (int i = 0; i < numYDivs; i++) { + yDivs[i] = ntohl(yDivs[i]); + } + paddingLeft = ntohl(paddingLeft); + paddingRight = ntohl(paddingRight); + paddingTop = ntohl(paddingTop); + paddingBottom = ntohl(paddingBottom); + for (int i=0; i<numColors; i++) { + colors[i] = ntohl(colors[i]); + } +} + +size_t Res_png_9patch::serializedSize() +{ + // The size of this struct is 32 bytes on the 32-bit target system + // 4 * int8_t + // 4 * int32_t + // 3 * pointer + return 32 + + numXDivs * sizeof(int32_t) + + numYDivs * sizeof(int32_t) + + numColors * sizeof(uint32_t); +} + +void* Res_png_9patch::serialize() +{ + // Use calloc since we're going to leave a few holes in the data + // and want this to run cleanly under valgrind + void* newData = calloc(1, serializedSize()); + serialize(newData); + return newData; +} + +void Res_png_9patch::serialize(void * outData) +{ + char* data = (char*) outData; + memmove(data, &wasDeserialized, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors + memmove(data + 12, &paddingLeft, 16); // copy paddingXXXX + data += 32; + + memmove(data, this->xDivs, numXDivs * sizeof(int32_t)); + data += numXDivs * sizeof(int32_t); + memmove(data, this->yDivs, numYDivs * sizeof(int32_t)); + data += numYDivs * sizeof(int32_t); + memmove(data, this->colors, numColors * sizeof(uint32_t)); +} + +static void deserializeInternal(const void* inData, Res_png_9patch* outData) { + char* patch = (char*) inData; + if (inData != outData) { + memmove(&outData->wasDeserialized, patch, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors + memmove(&outData->paddingLeft, patch + 12, 4); // copy wasDeserialized, numXDivs, numYDivs, numColors + } + outData->wasDeserialized = true; + char* data = (char*)outData; + data += sizeof(Res_png_9patch); + outData->xDivs = (int32_t*) data; + data += outData->numXDivs * sizeof(int32_t); + outData->yDivs = (int32_t*) data; + data += outData->numYDivs * sizeof(int32_t); + outData->colors = (uint32_t*) data; +} + +static bool assertIdmapHeader(const uint32_t* map, size_t sizeBytes) +{ + if (sizeBytes < ResTable::IDMAP_HEADER_SIZE_BYTES) { + ALOGW("idmap assertion failed: size=%d bytes\n", (int)sizeBytes); + return false; + } + if (*map != htodl(IDMAP_MAGIC)) { // htodl: map data expected to be in correct endianess + ALOGW("idmap assertion failed: invalid magic found (is 0x%08x, expected 0x%08x)\n", + *map, htodl(IDMAP_MAGIC)); + return false; + } + return true; +} + +static status_t idmapLookup(const uint32_t* map, size_t sizeBytes, uint32_t key, uint32_t* outValue) +{ + // see README for details on the format of map + if (!assertIdmapHeader(map, sizeBytes)) { + return UNKNOWN_ERROR; + } + map = map + IDMAP_HEADER_SIZE; // skip ahead to data segment + // size of data block, in uint32_t + const size_t size = (sizeBytes - ResTable::IDMAP_HEADER_SIZE_BYTES) / sizeof(uint32_t); + const uint32_t type = Res_GETTYPE(key) + 1; // add one, idmap stores "public" type id + const uint32_t entry = Res_GETENTRY(key); + const uint32_t typeCount = *map; + + if (type > typeCount) { + ALOGW("Resource ID map: type=%d exceeds number of types=%d\n", type, typeCount); + return UNKNOWN_ERROR; + } + if (typeCount > size) { + ALOGW("Resource ID map: number of types=%d exceeds size of map=%d\n", typeCount, (int)size); + return UNKNOWN_ERROR; + } + const uint32_t typeOffset = map[type]; + if (typeOffset == 0) { + *outValue = 0; + return NO_ERROR; + } + if (typeOffset + 1 > size) { + ALOGW("Resource ID map: type offset=%d exceeds reasonable value, size of map=%d\n", + typeOffset, (int)size); + return UNKNOWN_ERROR; + } + const uint32_t entryCount = map[typeOffset]; + const uint32_t entryOffset = map[typeOffset + 1]; + if (entryCount == 0 || entry < entryOffset || entry - entryOffset > entryCount - 1) { + *outValue = 0; + return NO_ERROR; + } + const uint32_t index = typeOffset + 2 + entry - entryOffset; + if (index > size) { + ALOGW("Resource ID map: entry index=%d exceeds size of map=%d\n", index, (int)size); + *outValue = 0; + return NO_ERROR; + } + *outValue = map[index]; + + return NO_ERROR; +} + +static status_t getIdmapPackageId(const uint32_t* map, size_t mapSize, uint32_t *outId) +{ + if (!assertIdmapHeader(map, mapSize)) { + return UNKNOWN_ERROR; + } + const uint32_t* p = map + IDMAP_HEADER_SIZE + 1; + while (*p == 0) { + ++p; + } + *outId = (map[*p + IDMAP_HEADER_SIZE + 2] >> 24) & 0x000000ff; + return NO_ERROR; +} + +Res_png_9patch* Res_png_9patch::deserialize(const void* inData) +{ + if (sizeof(void*) != sizeof(int32_t)) { + ALOGE("Cannot deserialize on non 32-bit system\n"); + return NULL; + } + deserializeInternal(inData, (Res_png_9patch*) inData); + return (Res_png_9patch*) inData; +} + +// -------------------------------------------------------------------- +// -------------------------------------------------------------------- +// -------------------------------------------------------------------- + +ResStringPool::ResStringPool() + : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) +{ +} + +ResStringPool::ResStringPool(const void* data, size_t size, bool copyData) + : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL) +{ + setTo(data, size, copyData); +} + +ResStringPool::~ResStringPool() +{ + uninit(); +} + +status_t ResStringPool::setTo(const void* data, size_t size, bool copyData) +{ + if (!data || !size) { + return (mError=BAD_TYPE); + } + + uninit(); + + const bool notDeviceEndian = htods(0xf0) != 0xf0; + + if (copyData || notDeviceEndian) { + mOwnedData = malloc(size); + if (mOwnedData == NULL) { + return (mError=NO_MEMORY); + } + memcpy(mOwnedData, data, size); + data = mOwnedData; + } + + mHeader = (const ResStringPool_header*)data; + + if (notDeviceEndian) { + ResStringPool_header* h = const_cast<ResStringPool_header*>(mHeader); + h->header.headerSize = dtohs(mHeader->header.headerSize); + h->header.type = dtohs(mHeader->header.type); + h->header.size = dtohl(mHeader->header.size); + h->stringCount = dtohl(mHeader->stringCount); + h->styleCount = dtohl(mHeader->styleCount); + h->flags = dtohl(mHeader->flags); + h->stringsStart = dtohl(mHeader->stringsStart); + h->stylesStart = dtohl(mHeader->stylesStart); + } + + if (mHeader->header.headerSize > mHeader->header.size + || mHeader->header.size > size) { + ALOGW("Bad string block: header size %d or total size %d is larger than data size %d\n", + (int)mHeader->header.headerSize, (int)mHeader->header.size, (int)size); + return (mError=BAD_TYPE); + } + mSize = mHeader->header.size; + mEntries = (const uint32_t*) + (((const uint8_t*)data)+mHeader->header.headerSize); + + if (mHeader->stringCount > 0) { + if ((mHeader->stringCount*sizeof(uint32_t) < mHeader->stringCount) // uint32 overflow? + || (mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))) + > size) { + ALOGW("Bad string block: entry of %d items extends past data size %d\n", + (int)(mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))), + (int)size); + return (mError=BAD_TYPE); + } + + size_t charSize; + if (mHeader->flags&ResStringPool_header::UTF8_FLAG) { + charSize = sizeof(uint8_t); + mCache = (char16_t**)calloc(mHeader->stringCount, sizeof(char16_t**)); + } else { + charSize = sizeof(char16_t); + } + + mStrings = (const void*) + (((const uint8_t*)data)+mHeader->stringsStart); + if (mHeader->stringsStart >= (mHeader->header.size-sizeof(uint16_t))) { + ALOGW("Bad string block: string pool starts at %d, after total size %d\n", + (int)mHeader->stringsStart, (int)mHeader->header.size); + return (mError=BAD_TYPE); + } + if (mHeader->styleCount == 0) { + mStringPoolSize = + (mHeader->header.size-mHeader->stringsStart)/charSize; + } else { + // check invariant: styles starts before end of data + if (mHeader->stylesStart >= (mHeader->header.size-sizeof(uint16_t))) { + ALOGW("Bad style block: style block starts at %d past data size of %d\n", + (int)mHeader->stylesStart, (int)mHeader->header.size); + return (mError=BAD_TYPE); + } + // check invariant: styles follow the strings + if (mHeader->stylesStart <= mHeader->stringsStart) { + ALOGW("Bad style block: style block starts at %d, before strings at %d\n", + (int)mHeader->stylesStart, (int)mHeader->stringsStart); + return (mError=BAD_TYPE); + } + mStringPoolSize = + (mHeader->stylesStart-mHeader->stringsStart)/charSize; + } + + // check invariant: stringCount > 0 requires a string pool to exist + if (mStringPoolSize == 0) { + ALOGW("Bad string block: stringCount is %d but pool size is 0\n", (int)mHeader->stringCount); + return (mError=BAD_TYPE); + } + + if (notDeviceEndian) { + size_t i; + uint32_t* e = const_cast<uint32_t*>(mEntries); + for (i=0; i<mHeader->stringCount; i++) { + e[i] = dtohl(mEntries[i]); + } + if (!(mHeader->flags&ResStringPool_header::UTF8_FLAG)) { + const char16_t* strings = (const char16_t*)mStrings; + char16_t* s = const_cast<char16_t*>(strings); + for (i=0; i<mStringPoolSize; i++) { + s[i] = dtohs(strings[i]); + } + } + } + + if ((mHeader->flags&ResStringPool_header::UTF8_FLAG && + ((uint8_t*)mStrings)[mStringPoolSize-1] != 0) || + (!mHeader->flags&ResStringPool_header::UTF8_FLAG && + ((char16_t*)mStrings)[mStringPoolSize-1] != 0)) { + ALOGW("Bad string block: last string is not 0-terminated\n"); + return (mError=BAD_TYPE); + } + } else { + mStrings = NULL; + mStringPoolSize = 0; + } + + if (mHeader->styleCount > 0) { + mEntryStyles = mEntries + mHeader->stringCount; + // invariant: integer overflow in calculating mEntryStyles + if (mEntryStyles < mEntries) { + ALOGW("Bad string block: integer overflow finding styles\n"); + return (mError=BAD_TYPE); + } + + if (((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader) > (int)size) { + ALOGW("Bad string block: entry of %d styles extends past data size %d\n", + (int)((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader), + (int)size); + return (mError=BAD_TYPE); + } + mStyles = (const uint32_t*) + (((const uint8_t*)data)+mHeader->stylesStart); + if (mHeader->stylesStart >= mHeader->header.size) { + ALOGW("Bad string block: style pool starts %d, after total size %d\n", + (int)mHeader->stylesStart, (int)mHeader->header.size); + return (mError=BAD_TYPE); + } + mStylePoolSize = + (mHeader->header.size-mHeader->stylesStart)/sizeof(uint32_t); + + if (notDeviceEndian) { + size_t i; + uint32_t* e = const_cast<uint32_t*>(mEntryStyles); + for (i=0; i<mHeader->styleCount; i++) { + e[i] = dtohl(mEntryStyles[i]); + } + uint32_t* s = const_cast<uint32_t*>(mStyles); + for (i=0; i<mStylePoolSize; i++) { + s[i] = dtohl(mStyles[i]); + } + } + + const ResStringPool_span endSpan = { + { htodl(ResStringPool_span::END) }, + htodl(ResStringPool_span::END), htodl(ResStringPool_span::END) + }; + if (memcmp(&mStyles[mStylePoolSize-(sizeof(endSpan)/sizeof(uint32_t))], + &endSpan, sizeof(endSpan)) != 0) { + ALOGW("Bad string block: last style is not 0xFFFFFFFF-terminated\n"); + return (mError=BAD_TYPE); + } + } else { + mEntryStyles = NULL; + mStyles = NULL; + mStylePoolSize = 0; + } + + return (mError=NO_ERROR); +} + +status_t ResStringPool::getError() const +{ + return mError; +} + +void ResStringPool::uninit() +{ + mError = NO_INIT; + if (mOwnedData) { + free(mOwnedData); + mOwnedData = NULL; + } + 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; + } +} + +/** + * Strings in UTF-16 format have length indicated by a length encoded in the + * stored data. It is either 1 or 2 characters of length data. This allows a + * maximum length of 0x7FFFFFF (2147483647 bytes), but if you're storing that + * much data in a string, you're abusing them. + * + * If the high bit is set, then there are two characters or 4 bytes of length + * data encoded. In that case, drop the high bit of the first character and + * add it together with the next character. + */ +static inline size_t +decodeLength(const char16_t** str) +{ + size_t len = **str; + if ((len & 0x8000) != 0) { + (*str)++; + len = ((len & 0x7FFF) << 16) | **str; + } + (*str)++; + return len; +} + +/** + * Strings in UTF-8 format have length indicated by a length encoded in the + * stored data. It is either 1 or 2 characters of length data. This allows a + * maximum length of 0x7FFF (32767 bytes), but you should consider storing + * text in another way if you're using that much data in a single string. + * + * If the high bit is set, then there are two characters or 2 bytes of length + * data encoded. In that case, drop the high bit of the first character and + * add it together with the next character. + */ +static inline size_t +decodeLength(const uint8_t** str) +{ + size_t len = **str; + if ((len & 0x80) != 0) { + (*str)++; + len = ((len & 0x7F) << 8) | **str; + } + (*str)++; + return len; +} + +const uint16_t* ResStringPool::stringAt(size_t idx, size_t* u16len) const +{ + if (mError == NO_ERROR && idx < mHeader->stringCount) { + const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; + const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); + if (off < (mStringPoolSize-1)) { + if (!isUTF8) { + const char16_t* strings = (char16_t*)mStrings; + const char16_t* str = strings+off; + + *u16len = decodeLength(&str); + if ((uint32_t)(str+*u16len-strings) < mStringPoolSize) { + return str; + } else { + ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", + (int)idx, (int)(str+*u16len-strings), (int)mStringPoolSize); + } + } else { + const uint8_t* strings = (uint8_t*)mStrings; + const uint8_t* u8str = strings+off; + + *u16len = decodeLength(&u8str); + size_t u8len = decodeLength(&u8str); + + // encLen must be less than 0x7FFF due to encoding. + if ((uint32_t)(u8str+u8len-strings) < mStringPoolSize) { + AutoMutex lock(mDecodeLock); + + if (mCache[idx] != NULL) { + return mCache[idx]; + } + + ssize_t actualLen = utf8_to_utf16_length(u8str, u8len); + if (actualLen < 0 || (size_t)actualLen != *u16len) { + ALOGW("Bad string block: string #%lld decoded length is not correct " + "%lld vs %llu\n", + (long long)idx, (long long)actualLen, (long long)*u16len); + return NULL; + } + + char16_t *u16str = (char16_t *)calloc(*u16len+1, sizeof(char16_t)); + if (!u16str) { + ALOGW("No memory when trying to allocate decode cache for string #%d\n", + (int)idx); + return NULL; + } + + utf8_to_utf16(u8str, u8len, u16str); + mCache[idx] = u16str; + return u16str; + } else { + ALOGW("Bad string block: string #%lld extends to %lld, past end at %lld\n", + (long long)idx, (long long)(u8str+u8len-strings), + (long long)mStringPoolSize); + } + } + } else { + ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", + (int)idx, (int)(off*sizeof(uint16_t)), + (int)(mStringPoolSize*sizeof(uint16_t))); + } + } + return NULL; +} + +const char* ResStringPool::string8At(size_t idx, size_t* outLen) const +{ + if (mError == NO_ERROR && idx < mHeader->stringCount) { + const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0; + const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t)); + if (off < (mStringPoolSize-1)) { + if (isUTF8) { + const uint8_t* strings = (uint8_t*)mStrings; + const uint8_t* str = strings+off; + *outLen = decodeLength(&str); + size_t encLen = decodeLength(&str); + if ((uint32_t)(str+encLen-strings) < mStringPoolSize) { + return (const char*)str; + } else { + ALOGW("Bad string block: string #%d extends to %d, past end at %d\n", + (int)idx, (int)(str+encLen-strings), (int)mStringPoolSize); + } + } + } else { + ALOGW("Bad string block: string #%d entry is at %d, past end at %d\n", + (int)idx, (int)(off*sizeof(uint16_t)), + (int)(mStringPoolSize*sizeof(uint16_t))); + } + } + return NULL; +} + +const String8 ResStringPool::string8ObjectAt(size_t idx) const +{ + size_t len; + const char *str = (const char*)string8At(idx, &len); + if (str != NULL) { + return String8(str); + } + return String8(stringAt(idx, &len)); +} + +const ResStringPool_span* ResStringPool::styleAt(const ResStringPool_ref& ref) const +{ + return styleAt(ref.index); +} + +const ResStringPool_span* ResStringPool::styleAt(size_t idx) const +{ + if (mError == NO_ERROR && idx < mHeader->styleCount) { + const uint32_t off = (mEntryStyles[idx]/sizeof(uint32_t)); + if (off < mStylePoolSize) { + return (const ResStringPool_span*)(mStyles+off); + } else { + ALOGW("Bad string block: style #%d entry is at %d, past end at %d\n", + (int)idx, (int)(off*sizeof(uint32_t)), + (int)(mStylePoolSize*sizeof(uint32_t))); + } + } + return NULL; +} + +ssize_t ResStringPool::indexOfString(const char16_t* str, size_t strLen) const +{ + if (mError != NO_ERROR) { + return mError; + } + + size_t len; + + // TODO optimize searching for UTF-8 strings taking into account + // the cache fill to determine when to convert the searched-for + // string key to UTF-8. + + if (mHeader->flags&ResStringPool_header::SORTED_FLAG) { + // Do a binary search for the string... + ssize_t l = 0; + ssize_t h = mHeader->stringCount-1; + + ssize_t mid; + while (l <= h) { + mid = l + (h - l)/2; + const char16_t* s = stringAt(mid, &len); + int c = s ? strzcmp16(s, len, str, strLen) : -1; + POOL_NOISY(printf("Looking for %s, at %s, cmp=%d, l/mid/h=%d/%d/%d\n", + String8(str).string(), + String8(s).string(), + c, (int)l, (int)mid, (int)h)); + if (c == 0) { + return mid; + } else if (c < 0) { + l = mid + 1; + } else { + h = mid - 1; + } + } + } else { + // It is unusual to get the ID from an unsorted string block... + // most often this happens because we want to get IDs for style + // span tags; since those always appear at the end of the string + // block, start searching at the back. + for (int i=mHeader->stringCount-1; i>=0; i--) { + const char16_t* s = stringAt(i, &len); + POOL_NOISY(printf("Looking for %s, at %s, i=%d\n", + String8(str, strLen).string(), + String8(s).string(), + i)); + if (s && strzcmp16(s, len, str, strLen) == 0) { + return i; + } + } + } + + return NAME_NOT_FOUND; +} + +size_t ResStringPool::size() const +{ + return (mError == NO_ERROR) ? mHeader->stringCount : 0; +} + +size_t ResStringPool::styleCount() const +{ + return (mError == NO_ERROR) ? mHeader->styleCount : 0; +} + +size_t ResStringPool::bytes() const +{ + return (mError == NO_ERROR) ? mHeader->header.size : 0; +} + +bool ResStringPool::isSorted() const +{ + return (mHeader->flags&ResStringPool_header::SORTED_FLAG)!=0; +} + +bool ResStringPool::isUTF8() const +{ + return (mHeader->flags&ResStringPool_header::UTF8_FLAG)!=0; +} + +// -------------------------------------------------------------------- +// -------------------------------------------------------------------- +// -------------------------------------------------------------------- + +ResXMLParser::ResXMLParser(const ResXMLTree& tree) + : mTree(tree), mEventCode(BAD_DOCUMENT) +{ +} + +void ResXMLParser::restart() +{ + mCurNode = NULL; + mEventCode = mTree.mError == NO_ERROR ? START_DOCUMENT : BAD_DOCUMENT; +} +const ResStringPool& ResXMLParser::getStrings() const +{ + return mTree.mStrings; +} + +ResXMLParser::event_code_t ResXMLParser::getEventType() const +{ + return mEventCode; +} + +ResXMLParser::event_code_t ResXMLParser::next() +{ + if (mEventCode == START_DOCUMENT) { + mCurNode = mTree.mRootNode; + mCurExt = mTree.mRootExt; + return (mEventCode=mTree.mRootCode); + } else if (mEventCode >= FIRST_CHUNK_CODE) { + return nextNode(); + } + return mEventCode; +} + +int32_t ResXMLParser::getCommentID() const +{ + return mCurNode != NULL ? dtohl(mCurNode->comment.index) : -1; +} + +const uint16_t* ResXMLParser::getComment(size_t* outLen) const +{ + int32_t id = getCommentID(); + return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; +} + +uint32_t ResXMLParser::getLineNumber() const +{ + return mCurNode != NULL ? dtohl(mCurNode->lineNumber) : -1; +} + +int32_t ResXMLParser::getTextID() const +{ + if (mEventCode == TEXT) { + return dtohl(((const ResXMLTree_cdataExt*)mCurExt)->data.index); + } + return -1; +} + +const uint16_t* ResXMLParser::getText(size_t* outLen) const +{ + int32_t id = getTextID(); + return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; +} + +ssize_t ResXMLParser::getTextValue(Res_value* outValue) const +{ + if (mEventCode == TEXT) { + outValue->copyFrom_dtoh(((const ResXMLTree_cdataExt*)mCurExt)->typedData); + return sizeof(Res_value); + } + return BAD_TYPE; +} + +int32_t ResXMLParser::getNamespacePrefixID() const +{ + if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { + return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->prefix.index); + } + return -1; +} + +const uint16_t* ResXMLParser::getNamespacePrefix(size_t* outLen) const +{ + int32_t id = getNamespacePrefixID(); + //printf("prefix=%d event=%p\n", id, mEventCode); + return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; +} + +int32_t ResXMLParser::getNamespaceUriID() const +{ + if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) { + return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->uri.index); + } + return -1; +} + +const uint16_t* ResXMLParser::getNamespaceUri(size_t* outLen) const +{ + int32_t id = getNamespaceUriID(); + //printf("uri=%d event=%p\n", id, mEventCode); + return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; +} + +int32_t ResXMLParser::getElementNamespaceID() const +{ + if (mEventCode == START_TAG) { + return dtohl(((const ResXMLTree_attrExt*)mCurExt)->ns.index); + } + if (mEventCode == END_TAG) { + return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->ns.index); + } + return -1; +} + +const uint16_t* ResXMLParser::getElementNamespace(size_t* outLen) const +{ + int32_t id = getElementNamespaceID(); + return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; +} + +int32_t ResXMLParser::getElementNameID() const +{ + if (mEventCode == START_TAG) { + return dtohl(((const ResXMLTree_attrExt*)mCurExt)->name.index); + } + if (mEventCode == END_TAG) { + return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->name.index); + } + return -1; +} + +const uint16_t* ResXMLParser::getElementName(size_t* outLen) const +{ + int32_t id = getElementNameID(); + return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; +} + +size_t ResXMLParser::getAttributeCount() const +{ + if (mEventCode == START_TAG) { + return dtohs(((const ResXMLTree_attrExt*)mCurExt)->attributeCount); + } + return 0; +} + +int32_t ResXMLParser::getAttributeNamespaceID(size_t idx) const +{ + if (mEventCode == START_TAG) { + const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; + if (idx < dtohs(tag->attributeCount)) { + const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) + (((const uint8_t*)tag) + + dtohs(tag->attributeStart) + + (dtohs(tag->attributeSize)*idx)); + return dtohl(attr->ns.index); + } + } + return -2; +} + +const uint16_t* ResXMLParser::getAttributeNamespace(size_t idx, size_t* outLen) const +{ + int32_t id = getAttributeNamespaceID(idx); + //printf("attribute namespace=%d idx=%d event=%p\n", id, idx, mEventCode); + //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id)); + return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; +} + +int32_t ResXMLParser::getAttributeNameID(size_t idx) const +{ + if (mEventCode == START_TAG) { + const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; + if (idx < dtohs(tag->attributeCount)) { + const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) + (((const uint8_t*)tag) + + dtohs(tag->attributeStart) + + (dtohs(tag->attributeSize)*idx)); + return dtohl(attr->name.index); + } + } + return -1; +} + +const uint16_t* ResXMLParser::getAttributeName(size_t idx, size_t* outLen) const +{ + int32_t id = getAttributeNameID(idx); + //printf("attribute name=%d idx=%d event=%p\n", id, idx, mEventCode); + //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id)); + return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; +} + +uint32_t ResXMLParser::getAttributeNameResID(size_t idx) const +{ + int32_t id = getAttributeNameID(idx); + if (id >= 0 && (size_t)id < mTree.mNumResIds) { + return dtohl(mTree.mResIds[id]); + } + return 0; +} + +int32_t ResXMLParser::getAttributeValueStringID(size_t idx) const +{ + if (mEventCode == START_TAG) { + const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; + if (idx < dtohs(tag->attributeCount)) { + const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) + (((const uint8_t*)tag) + + dtohs(tag->attributeStart) + + (dtohs(tag->attributeSize)*idx)); + return dtohl(attr->rawValue.index); + } + } + return -1; +} + +const uint16_t* ResXMLParser::getAttributeStringValue(size_t idx, size_t* outLen) const +{ + int32_t id = getAttributeValueStringID(idx); + //XML_NOISY(printf("getAttributeValue 0x%x=0x%x\n", idx, id)); + return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL; +} + +int32_t ResXMLParser::getAttributeDataType(size_t idx) const +{ + if (mEventCode == START_TAG) { + const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; + if (idx < dtohs(tag->attributeCount)) { + const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) + (((const uint8_t*)tag) + + dtohs(tag->attributeStart) + + (dtohs(tag->attributeSize)*idx)); + return attr->typedValue.dataType; + } + } + return Res_value::TYPE_NULL; +} + +int32_t ResXMLParser::getAttributeData(size_t idx) const +{ + if (mEventCode == START_TAG) { + const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; + if (idx < dtohs(tag->attributeCount)) { + const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) + (((const uint8_t*)tag) + + dtohs(tag->attributeStart) + + (dtohs(tag->attributeSize)*idx)); + return dtohl(attr->typedValue.data); + } + } + return 0; +} + +ssize_t ResXMLParser::getAttributeValue(size_t idx, Res_value* outValue) const +{ + if (mEventCode == START_TAG) { + const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt; + if (idx < dtohs(tag->attributeCount)) { + const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*) + (((const uint8_t*)tag) + + dtohs(tag->attributeStart) + + (dtohs(tag->attributeSize)*idx)); + outValue->copyFrom_dtoh(attr->typedValue); + return sizeof(Res_value); + } + } + return BAD_TYPE; +} + +ssize_t ResXMLParser::indexOfAttribute(const char* ns, const char* attr) const +{ + String16 nsStr(ns != NULL ? ns : ""); + String16 attrStr(attr); + return indexOfAttribute(ns ? nsStr.string() : NULL, ns ? nsStr.size() : 0, + attrStr.string(), attrStr.size()); +} + +ssize_t ResXMLParser::indexOfAttribute(const char16_t* ns, size_t nsLen, + const char16_t* attr, size_t attrLen) const +{ + if (mEventCode == START_TAG) { + const size_t N = getAttributeCount(); + for (size_t i=0; i<N; i++) { + size_t curNsLen, curAttrLen; + const char16_t* curNs = getAttributeNamespace(i, &curNsLen); + const char16_t* curAttr = getAttributeName(i, &curAttrLen); + //printf("%d: ns=%p attr=%p curNs=%p curAttr=%p\n", + // i, ns, attr, curNs, curAttr); + //printf(" --> attr=%s, curAttr=%s\n", + // String8(attr).string(), String8(curAttr).string()); + if (attr && curAttr && (strzcmp16(attr, attrLen, curAttr, curAttrLen) == 0)) { + if (ns == NULL) { + if (curNs == NULL) return i; + } else if (curNs != NULL) { + //printf(" --> ns=%s, curNs=%s\n", + // String8(ns).string(), String8(curNs).string()); + if (strzcmp16(ns, nsLen, curNs, curNsLen) == 0) return i; + } + } + } + } + + return NAME_NOT_FOUND; +} + +ssize_t ResXMLParser::indexOfID() const +{ + if (mEventCode == START_TAG) { + const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->idIndex); + if (idx > 0) return (idx-1); + } + return NAME_NOT_FOUND; +} + +ssize_t ResXMLParser::indexOfClass() const +{ + if (mEventCode == START_TAG) { + const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->classIndex); + if (idx > 0) return (idx-1); + } + return NAME_NOT_FOUND; +} + +ssize_t ResXMLParser::indexOfStyle() const +{ + if (mEventCode == START_TAG) { + const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->styleIndex); + if (idx > 0) return (idx-1); + } + return NAME_NOT_FOUND; +} + +ResXMLParser::event_code_t ResXMLParser::nextNode() +{ + if (mEventCode < 0) { + return mEventCode; + } + + do { + const ResXMLTree_node* next = (const ResXMLTree_node*) + (((const uint8_t*)mCurNode) + dtohl(mCurNode->header.size)); + //ALOGW("Next node: prev=%p, next=%p\n", mCurNode, next); + + if (((const uint8_t*)next) >= mTree.mDataEnd) { + mCurNode = NULL; + return (mEventCode=END_DOCUMENT); + } + + if (mTree.validateNode(next) != NO_ERROR) { + mCurNode = NULL; + return (mEventCode=BAD_DOCUMENT); + } + + mCurNode = next; + const uint16_t headerSize = dtohs(next->header.headerSize); + const uint32_t totalSize = dtohl(next->header.size); + mCurExt = ((const uint8_t*)next) + headerSize; + size_t minExtSize = 0; + event_code_t eventCode = (event_code_t)dtohs(next->header.type); + switch ((mEventCode=eventCode)) { + case RES_XML_START_NAMESPACE_TYPE: + case RES_XML_END_NAMESPACE_TYPE: + minExtSize = sizeof(ResXMLTree_namespaceExt); + break; + case RES_XML_START_ELEMENT_TYPE: + minExtSize = sizeof(ResXMLTree_attrExt); + break; + case RES_XML_END_ELEMENT_TYPE: + minExtSize = sizeof(ResXMLTree_endElementExt); + break; + case RES_XML_CDATA_TYPE: + minExtSize = sizeof(ResXMLTree_cdataExt); + break; + default: + ALOGW("Unknown XML block: header type %d in node at %d\n", + (int)dtohs(next->header.type), + (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader))); + continue; + } + + if ((totalSize-headerSize) < minExtSize) { + ALOGW("Bad XML block: header type 0x%x in node at 0x%x has size %d, need %d\n", + (int)dtohs(next->header.type), + (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader)), + (int)(totalSize-headerSize), (int)minExtSize); + return (mEventCode=BAD_DOCUMENT); + } + + //printf("CurNode=%p, CurExt=%p, headerSize=%d, minExtSize=%d\n", + // mCurNode, mCurExt, headerSize, minExtSize); + + return eventCode; + } while (true); +} + +void ResXMLParser::getPosition(ResXMLParser::ResXMLPosition* pos) const +{ + pos->eventCode = mEventCode; + pos->curNode = mCurNode; + pos->curExt = mCurExt; +} + +void ResXMLParser::setPosition(const ResXMLParser::ResXMLPosition& pos) +{ + mEventCode = pos.eventCode; + mCurNode = pos.curNode; + mCurExt = pos.curExt; +} + + +// -------------------------------------------------------------------- + +static volatile int32_t gCount = 0; + +ResXMLTree::ResXMLTree() + : ResXMLParser(*this) + , mError(NO_INIT), mOwnedData(NULL) +{ + //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); + restart(); +} + +ResXMLTree::ResXMLTree(const void* data, size_t size, bool copyData) + : ResXMLParser(*this) + , mError(NO_INIT), mOwnedData(NULL) +{ + //ALOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1); + setTo(data, size, copyData); +} + +ResXMLTree::~ResXMLTree() +{ + //ALOGI("Destroying ResXMLTree in %p #%d\n", this, android_atomic_dec(&gCount)-1); + uninit(); +} + +status_t ResXMLTree::setTo(const void* data, size_t size, bool copyData) +{ + uninit(); + mEventCode = START_DOCUMENT; + + if (copyData) { + mOwnedData = malloc(size); + if (mOwnedData == NULL) { + return (mError=NO_MEMORY); + } + memcpy(mOwnedData, data, size); + data = mOwnedData; + } + + mHeader = (const ResXMLTree_header*)data; + mSize = dtohl(mHeader->header.size); + if (dtohs(mHeader->header.headerSize) > mSize || mSize > size) { + ALOGW("Bad XML block: header size %d or total size %d is larger than data size %d\n", + (int)dtohs(mHeader->header.headerSize), + (int)dtohl(mHeader->header.size), (int)size); + mError = BAD_TYPE; + restart(); + return mError; + } + mDataEnd = ((const uint8_t*)mHeader) + mSize; + + mStrings.uninit(); + mRootNode = NULL; + mResIds = NULL; + mNumResIds = 0; + + // First look for a couple interesting chunks: the string block + // and first XML node. + const ResChunk_header* chunk = + (const ResChunk_header*)(((const uint8_t*)mHeader) + dtohs(mHeader->header.headerSize)); + const ResChunk_header* lastChunk = chunk; + while (((const uint8_t*)chunk) < (mDataEnd-sizeof(ResChunk_header)) && + ((const uint8_t*)chunk) < (mDataEnd-dtohl(chunk->size))) { + status_t err = validate_chunk(chunk, sizeof(ResChunk_header), mDataEnd, "XML"); + if (err != NO_ERROR) { + mError = err; + goto done; + } + const uint16_t type = dtohs(chunk->type); + const size_t size = dtohl(chunk->size); + XML_NOISY(printf("Scanning @ %p: type=0x%x, size=0x%x\n", + (void*)(((uint32_t)chunk)-((uint32_t)mHeader)), type, size)); + if (type == RES_STRING_POOL_TYPE) { + mStrings.setTo(chunk, size); + } else if (type == RES_XML_RESOURCE_MAP_TYPE) { + mResIds = (const uint32_t*) + (((const uint8_t*)chunk)+dtohs(chunk->headerSize)); + mNumResIds = (dtohl(chunk->size)-dtohs(chunk->headerSize))/sizeof(uint32_t); + } else if (type >= RES_XML_FIRST_CHUNK_TYPE + && type <= RES_XML_LAST_CHUNK_TYPE) { + if (validateNode((const ResXMLTree_node*)chunk) != NO_ERROR) { + mError = BAD_TYPE; + goto done; + } + mCurNode = (const ResXMLTree_node*)lastChunk; + if (nextNode() == BAD_DOCUMENT) { + mError = BAD_TYPE; + goto done; + } + mRootNode = mCurNode; + mRootExt = mCurExt; + mRootCode = mEventCode; + break; + } else { + XML_NOISY(printf("Skipping unknown chunk!\n")); + } + lastChunk = chunk; + chunk = (const ResChunk_header*) + (((const uint8_t*)chunk) + size); + } + + if (mRootNode == NULL) { + ALOGW("Bad XML block: no root element node found\n"); + mError = BAD_TYPE; + goto done; + } + + mError = mStrings.getError(); + +done: + restart(); + return mError; +} + +status_t ResXMLTree::getError() const +{ + return mError; +} + +void ResXMLTree::uninit() +{ + mError = NO_INIT; + mStrings.uninit(); + if (mOwnedData) { + free(mOwnedData); + mOwnedData = NULL; + } + restart(); +} + +status_t ResXMLTree::validateNode(const ResXMLTree_node* node) const +{ + const uint16_t eventCode = dtohs(node->header.type); + + status_t err = validate_chunk( + &node->header, sizeof(ResXMLTree_node), + mDataEnd, "ResXMLTree_node"); + + if (err >= NO_ERROR) { + // Only perform additional validation on START nodes + if (eventCode != RES_XML_START_ELEMENT_TYPE) { + return NO_ERROR; + } + + const uint16_t headerSize = dtohs(node->header.headerSize); + const uint32_t size = dtohl(node->header.size); + const ResXMLTree_attrExt* attrExt = (const ResXMLTree_attrExt*) + (((const uint8_t*)node) + headerSize); + // check for sensical values pulled out of the stream so far... + if ((size >= headerSize + sizeof(ResXMLTree_attrExt)) + && ((void*)attrExt > (void*)node)) { + const size_t attrSize = ((size_t)dtohs(attrExt->attributeSize)) + * dtohs(attrExt->attributeCount); + if ((dtohs(attrExt->attributeStart)+attrSize) <= (size-headerSize)) { + return NO_ERROR; + } + ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", + (unsigned int)(dtohs(attrExt->attributeStart)+attrSize), + (unsigned int)(size-headerSize)); + } + else { + ALOGW("Bad XML start block: node header size 0x%x, size 0x%x\n", + (unsigned int)headerSize, (unsigned int)size); + } + return BAD_TYPE; + } + + return err; + +#if 0 + const bool isStart = dtohs(node->header.type) == RES_XML_START_ELEMENT_TYPE; + + const uint16_t headerSize = dtohs(node->header.headerSize); + const uint32_t size = dtohl(node->header.size); + + if (headerSize >= (isStart ? sizeof(ResXMLTree_attrNode) : sizeof(ResXMLTree_node))) { + if (size >= headerSize) { + if (((const uint8_t*)node) <= (mDataEnd-size)) { + if (!isStart) { + return NO_ERROR; + } + if ((((size_t)dtohs(node->attributeSize))*dtohs(node->attributeCount)) + <= (size-headerSize)) { + return NO_ERROR; + } + ALOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n", + ((int)dtohs(node->attributeSize))*dtohs(node->attributeCount), + (int)(size-headerSize)); + return BAD_TYPE; + } + ALOGW("Bad XML block: node at 0x%x extends beyond data end 0x%x\n", + (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), (int)mSize); + return BAD_TYPE; + } + ALOGW("Bad XML block: node at 0x%x header size 0x%x smaller than total size 0x%x\n", + (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), + (int)headerSize, (int)size); + return BAD_TYPE; + } + ALOGW("Bad XML block: node at 0x%x header size 0x%x too small\n", + (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), + (int)headerSize); + return BAD_TYPE; +#endif +} + +// -------------------------------------------------------------------- +// -------------------------------------------------------------------- +// -------------------------------------------------------------------- + +void ResTable_config::copyFromDeviceNoSwap(const ResTable_config& o) { + const size_t size = dtohl(o.size); + if (size >= sizeof(ResTable_config)) { + *this = o; + } else { + memcpy(this, &o, size); + memset(((uint8_t*)this)+size, 0, sizeof(ResTable_config)-size); + } +} + +void ResTable_config::copyFromDtoH(const ResTable_config& o) { + copyFromDeviceNoSwap(o); + size = sizeof(ResTable_config); + mcc = dtohs(mcc); + mnc = dtohs(mnc); + density = dtohs(density); + screenWidth = dtohs(screenWidth); + screenHeight = dtohs(screenHeight); + sdkVersion = dtohs(sdkVersion); + minorVersion = dtohs(minorVersion); + smallestScreenWidthDp = dtohs(smallestScreenWidthDp); + screenWidthDp = dtohs(screenWidthDp); + screenHeightDp = dtohs(screenHeightDp); +} + +void ResTable_config::swapHtoD() { + size = htodl(size); + mcc = htods(mcc); + mnc = htods(mnc); + density = htods(density); + screenWidth = htods(screenWidth); + screenHeight = htods(screenHeight); + sdkVersion = htods(sdkVersion); + minorVersion = htods(minorVersion); + smallestScreenWidthDp = htods(smallestScreenWidthDp); + screenWidthDp = htods(screenWidthDp); + screenHeightDp = htods(screenHeightDp); +} + +int ResTable_config::compare(const ResTable_config& o) const { + int32_t diff = (int32_t)(imsi - o.imsi); + if (diff != 0) return diff; + diff = (int32_t)(locale - o.locale); + if (diff != 0) return diff; + diff = (int32_t)(screenType - o.screenType); + if (diff != 0) return diff; + diff = (int32_t)(input - o.input); + if (diff != 0) return diff; + diff = (int32_t)(screenSize - o.screenSize); + if (diff != 0) return diff; + diff = (int32_t)(version - o.version); + if (diff != 0) return diff; + diff = (int32_t)(screenLayout - o.screenLayout); + if (diff != 0) return diff; + diff = (int32_t)(uiMode - o.uiMode); + if (diff != 0) return diff; + diff = (int32_t)(smallestScreenWidthDp - o.smallestScreenWidthDp); + if (diff != 0) return diff; + diff = (int32_t)(screenSizeDp - o.screenSizeDp); + return (int)diff; +} + +int ResTable_config::compareLogical(const ResTable_config& o) const { + if (mcc != o.mcc) { + return mcc < o.mcc ? -1 : 1; + } + if (mnc != o.mnc) { + return mnc < o.mnc ? -1 : 1; + } + if (language[0] != o.language[0]) { + return language[0] < o.language[0] ? -1 : 1; + } + if (language[1] != o.language[1]) { + return language[1] < o.language[1] ? -1 : 1; + } + if (country[0] != o.country[0]) { + return country[0] < o.country[0] ? -1 : 1; + } + if (country[1] != o.country[1]) { + return country[1] < o.country[1] ? -1 : 1; + } + if (smallestScreenWidthDp != o.smallestScreenWidthDp) { + return smallestScreenWidthDp < o.smallestScreenWidthDp ? -1 : 1; + } + if (screenWidthDp != o.screenWidthDp) { + return screenWidthDp < o.screenWidthDp ? -1 : 1; + } + if (screenHeightDp != o.screenHeightDp) { + return screenHeightDp < o.screenHeightDp ? -1 : 1; + } + if (screenWidth != o.screenWidth) { + return screenWidth < o.screenWidth ? -1 : 1; + } + if (screenHeight != o.screenHeight) { + return screenHeight < o.screenHeight ? -1 : 1; + } + if (density != o.density) { + return density < o.density ? -1 : 1; + } + if (orientation != o.orientation) { + return orientation < o.orientation ? -1 : 1; + } + if (touchscreen != o.touchscreen) { + return touchscreen < o.touchscreen ? -1 : 1; + } + if (input != o.input) { + return input < o.input ? -1 : 1; + } + if (screenLayout != o.screenLayout) { + return screenLayout < o.screenLayout ? -1 : 1; + } + if (uiMode != o.uiMode) { + return uiMode < o.uiMode ? -1 : 1; + } + if (version != o.version) { + return version < o.version ? -1 : 1; + } + return 0; +} + +int ResTable_config::diff(const ResTable_config& o) const { + int diffs = 0; + if (mcc != o.mcc) diffs |= CONFIG_MCC; + if (mnc != o.mnc) diffs |= CONFIG_MNC; + if (locale != o.locale) diffs |= CONFIG_LOCALE; + if (orientation != o.orientation) diffs |= CONFIG_ORIENTATION; + if (density != o.density) diffs |= CONFIG_DENSITY; + if (touchscreen != o.touchscreen) diffs |= CONFIG_TOUCHSCREEN; + if (((inputFlags^o.inputFlags)&(MASK_KEYSHIDDEN|MASK_NAVHIDDEN)) != 0) + diffs |= CONFIG_KEYBOARD_HIDDEN; + if (keyboard != o.keyboard) diffs |= CONFIG_KEYBOARD; + if (navigation != o.navigation) diffs |= CONFIG_NAVIGATION; + if (screenSize != o.screenSize) diffs |= CONFIG_SCREEN_SIZE; + if (version != o.version) diffs |= CONFIG_VERSION; + if (screenLayout != o.screenLayout) diffs |= CONFIG_SCREEN_LAYOUT; + if (uiMode != o.uiMode) diffs |= CONFIG_UI_MODE; + if (smallestScreenWidthDp != o.smallestScreenWidthDp) diffs |= CONFIG_SMALLEST_SCREEN_SIZE; + if (screenSizeDp != o.screenSizeDp) diffs |= CONFIG_SCREEN_SIZE; + return diffs; +} + +bool ResTable_config::isMoreSpecificThan(const ResTable_config& o) const { + // The order of the following tests defines the importance of one + // configuration parameter over another. Those tests first are more + // important, trumping any values in those following them. + if (imsi || o.imsi) { + if (mcc != o.mcc) { + if (!mcc) return false; + if (!o.mcc) return true; + } + + if (mnc != o.mnc) { + if (!mnc) return false; + if (!o.mnc) return true; + } + } + + if (locale || o.locale) { + if (language[0] != o.language[0]) { + if (!language[0]) return false; + if (!o.language[0]) return true; + } + + if (country[0] != o.country[0]) { + if (!country[0]) return false; + if (!o.country[0]) return true; + } + } + + if (smallestScreenWidthDp || o.smallestScreenWidthDp) { + if (smallestScreenWidthDp != o.smallestScreenWidthDp) { + if (!smallestScreenWidthDp) return false; + if (!o.smallestScreenWidthDp) return true; + } + } + + if (screenSizeDp || o.screenSizeDp) { + if (screenWidthDp != o.screenWidthDp) { + if (!screenWidthDp) return false; + if (!o.screenWidthDp) return true; + } + + if (screenHeightDp != o.screenHeightDp) { + if (!screenHeightDp) return false; + if (!o.screenHeightDp) return true; + } + } + + if (screenLayout || o.screenLayout) { + if (((screenLayout^o.screenLayout) & MASK_SCREENSIZE) != 0) { + if (!(screenLayout & MASK_SCREENSIZE)) return false; + if (!(o.screenLayout & MASK_SCREENSIZE)) return true; + } + if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0) { + if (!(screenLayout & MASK_SCREENLONG)) return false; + if (!(o.screenLayout & MASK_SCREENLONG)) return true; + } + } + + if (orientation != o.orientation) { + if (!orientation) return false; + if (!o.orientation) return true; + } + + if (uiMode || o.uiMode) { + if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0) { + if (!(uiMode & MASK_UI_MODE_TYPE)) return false; + if (!(o.uiMode & MASK_UI_MODE_TYPE)) return true; + } + if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0) { + if (!(uiMode & MASK_UI_MODE_NIGHT)) return false; + if (!(o.uiMode & MASK_UI_MODE_NIGHT)) return true; + } + } + + // density is never 'more specific' + // as the default just equals 160 + + if (touchscreen != o.touchscreen) { + if (!touchscreen) return false; + if (!o.touchscreen) return true; + } + + if (input || o.input) { + if (((inputFlags^o.inputFlags) & MASK_KEYSHIDDEN) != 0) { + if (!(inputFlags & MASK_KEYSHIDDEN)) return false; + if (!(o.inputFlags & MASK_KEYSHIDDEN)) return true; + } + + if (((inputFlags^o.inputFlags) & MASK_NAVHIDDEN) != 0) { + if (!(inputFlags & MASK_NAVHIDDEN)) return false; + if (!(o.inputFlags & MASK_NAVHIDDEN)) return true; + } + + if (keyboard != o.keyboard) { + if (!keyboard) return false; + if (!o.keyboard) return true; + } + + if (navigation != o.navigation) { + if (!navigation) return false; + if (!o.navigation) return true; + } + } + + if (screenSize || o.screenSize) { + if (screenWidth != o.screenWidth) { + if (!screenWidth) return false; + if (!o.screenWidth) return true; + } + + if (screenHeight != o.screenHeight) { + if (!screenHeight) return false; + if (!o.screenHeight) return true; + } + } + + if (version || o.version) { + if (sdkVersion != o.sdkVersion) { + if (!sdkVersion) return false; + if (!o.sdkVersion) return true; + } + + if (minorVersion != o.minorVersion) { + if (!minorVersion) return false; + if (!o.minorVersion) return true; + } + } + return false; +} + +bool ResTable_config::isBetterThan(const ResTable_config& o, + const ResTable_config* requested) const { + if (requested) { + if (imsi || o.imsi) { + if ((mcc != o.mcc) && requested->mcc) { + return (mcc); + } + + if ((mnc != o.mnc) && requested->mnc) { + return (mnc); + } + } + + if (locale || o.locale) { + if ((language[0] != o.language[0]) && requested->language[0]) { + return (language[0]); + } + + if ((country[0] != o.country[0]) && requested->country[0]) { + return (country[0]); + } + } + + if (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. + return smallestScreenWidthDp >= o.smallestScreenWidthDp; + } + + if (screenSizeDp || o.screenSizeDp) { + // "Better" is based on the sum of the difference between both + // width and height from the requested dimensions. We are + // assuming the invalid configs (with smaller dimens) have + // already been filtered. Note that if a particular dimension + // is unspecified, we will end up with a large value (the + // difference between 0 and the requested dimension), which is + // good since we will prefer a config that has specified a + // dimension value. + int myDelta = 0, otherDelta = 0; + if (requested->screenWidthDp) { + myDelta += requested->screenWidthDp - screenWidthDp; + otherDelta += requested->screenWidthDp - o.screenWidthDp; + } + if (requested->screenHeightDp) { + myDelta += requested->screenHeightDp - screenHeightDp; + otherDelta += requested->screenHeightDp - o.screenHeightDp; + } + //ALOGI("Comparing this %dx%d to other %dx%d in %dx%d: myDelta=%d otherDelta=%d", + // screenWidthDp, screenHeightDp, o.screenWidthDp, o.screenHeightDp, + // requested->screenWidthDp, requested->screenHeightDp, myDelta, otherDelta); + 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; + } + return fixedMySL >= fixedOSL; + } + if (((screenLayout^o.screenLayout) & MASK_SCREENLONG) != 0 + && (requested->screenLayout & MASK_SCREENLONG)) { + return (screenLayout & MASK_SCREENLONG); + } + } + + if ((orientation != o.orientation) && requested->orientation) { + return (orientation); + } + + if (uiMode || o.uiMode) { + if (((uiMode^o.uiMode) & MASK_UI_MODE_TYPE) != 0 + && (requested->uiMode & MASK_UI_MODE_TYPE)) { + return (uiMode & MASK_UI_MODE_TYPE); + } + if (((uiMode^o.uiMode) & MASK_UI_MODE_NIGHT) != 0 + && (requested->uiMode & MASK_UI_MODE_NIGHT)) { + return (uiMode & MASK_UI_MODE_NIGHT); + } + } + + if (screenType || o.screenType) { + if (density != o.density) { + // density is tough. Any density is potentially useful + // because the system will scale it. Scaling down + // is generally better than scaling up. + // Default density counts as 160dpi (the system default) + // TODO - remove 160 constants + int h = (density?density:160); + int l = (o.density?o.density:160); + bool bImBigger = true; + if (l > h) { + int t = h; + h = l; + l = t; + bImBigger = false; + } + + int reqValue = (requested->density?requested->density:160); + if (reqValue >= h) { + // requested value higher than both l and h, give h + return bImBigger; + } + if (l >= reqValue) { + // requested value lower than both l and h, give l + return !bImBigger; + } + // saying that scaling down is 2x better than up + if (((2 * l) - reqValue) * h > reqValue * reqValue) { + return !bImBigger; + } else { + return bImBigger; + } + } + + if ((touchscreen != o.touchscreen) && requested->touchscreen) { + return (touchscreen); + } + } + + if (input || o.input) { + const int keysHidden = inputFlags & MASK_KEYSHIDDEN; + const int oKeysHidden = o.inputFlags & MASK_KEYSHIDDEN; + if (keysHidden != oKeysHidden) { + const int reqKeysHidden = + requested->inputFlags & MASK_KEYSHIDDEN; + if (reqKeysHidden) { + + if (!keysHidden) return false; + if (!oKeysHidden) return true; + // For compatibility, we count KEYSHIDDEN_NO as being + // the same as KEYSHIDDEN_SOFT. Here we disambiguate + // these by making an exact match more specific. + if (reqKeysHidden == keysHidden) return true; + if (reqKeysHidden == oKeysHidden) return false; + } + } + + const int navHidden = inputFlags & MASK_NAVHIDDEN; + const int oNavHidden = o.inputFlags & MASK_NAVHIDDEN; + if (navHidden != oNavHidden) { + const int reqNavHidden = + requested->inputFlags & MASK_NAVHIDDEN; + if (reqNavHidden) { + + if (!navHidden) return false; + if (!oNavHidden) return true; + } + } + + if ((keyboard != o.keyboard) && requested->keyboard) { + return (keyboard); + } + + if ((navigation != o.navigation) && requested->navigation) { + return (navigation); + } + } + + if (screenSize || o.screenSize) { + // "Better" is based on the sum of the difference between both + // width and height from the requested dimensions. We are + // assuming the invalid configs (with smaller sizes) have + // already been filtered. Note that if a particular dimension + // is unspecified, we will end up with a large value (the + // difference between 0 and the requested dimension), which is + // good since we will prefer a config that has specified a + // size value. + int myDelta = 0, otherDelta = 0; + if (requested->screenWidth) { + myDelta += requested->screenWidth - screenWidth; + otherDelta += requested->screenWidth - o.screenWidth; + } + if (requested->screenHeight) { + myDelta += requested->screenHeight - screenHeight; + otherDelta += requested->screenHeight - o.screenHeight; + } + return (myDelta <= otherDelta); + } + + if (version || o.version) { + if ((sdkVersion != o.sdkVersion) && requested->sdkVersion) { + return (sdkVersion > o.sdkVersion); + } + + if ((minorVersion != o.minorVersion) && + requested->minorVersion) { + return (minorVersion); + } + } + + return false; + } + return isMoreSpecificThan(o); +} + +bool ResTable_config::match(const ResTable_config& settings) const { + if (imsi != 0) { + if (mcc != 0 && mcc != settings.mcc) { + return false; + } + if (mnc != 0 && mnc != settings.mnc) { + return false; + } + } + if (locale != 0) { + if (language[0] != 0 + && (language[0] != settings.language[0] + || language[1] != settings.language[1])) { + return false; + } + if (country[0] != 0 + && (country[0] != settings.country[0] + || country[1] != settings.country[1])) { + return false; + } + } + if (screenConfig != 0) { + const int screenSize = screenLayout&MASK_SCREENSIZE; + const int setScreenSize = settings.screenLayout&MASK_SCREENSIZE; + // Any screen sizes for larger screens than the setting do not + // match. + if (screenSize != 0 && screenSize > setScreenSize) { + return false; + } + + const int screenLong = screenLayout&MASK_SCREENLONG; + const int setScreenLong = settings.screenLayout&MASK_SCREENLONG; + if (screenLong != 0 && screenLong != setScreenLong) { + return false; + } + + const int uiModeType = uiMode&MASK_UI_MODE_TYPE; + const int setUiModeType = settings.uiMode&MASK_UI_MODE_TYPE; + if (uiModeType != 0 && uiModeType != setUiModeType) { + return false; + } + + const int uiModeNight = uiMode&MASK_UI_MODE_NIGHT; + const int setUiModeNight = settings.uiMode&MASK_UI_MODE_NIGHT; + if (uiModeNight != 0 && uiModeNight != setUiModeNight) { + return false; + } + + if (smallestScreenWidthDp != 0 + && smallestScreenWidthDp > settings.smallestScreenWidthDp) { + return false; + } + } + if (screenSizeDp != 0) { + if (screenWidthDp != 0 && screenWidthDp > settings.screenWidthDp) { + //ALOGI("Filtering out width %d in requested %d", screenWidthDp, settings.screenWidthDp); + return false; + } + if (screenHeightDp != 0 && screenHeightDp > settings.screenHeightDp) { + //ALOGI("Filtering out height %d in requested %d", screenHeightDp, settings.screenHeightDp); + return false; + } + } + if (screenType != 0) { + if (orientation != 0 && orientation != settings.orientation) { + return false; + } + // density always matches - we can scale it. See isBetterThan + if (touchscreen != 0 && touchscreen != settings.touchscreen) { + return false; + } + } + if (input != 0) { + const int keysHidden = inputFlags&MASK_KEYSHIDDEN; + const int setKeysHidden = settings.inputFlags&MASK_KEYSHIDDEN; + if (keysHidden != 0 && keysHidden != setKeysHidden) { + // For compatibility, we count a request for KEYSHIDDEN_NO as also + // matching the more recent KEYSHIDDEN_SOFT. Basically + // KEYSHIDDEN_NO means there is some kind of keyboard available. + //ALOGI("Matching keysHidden: have=%d, config=%d\n", keysHidden, setKeysHidden); + if (keysHidden != KEYSHIDDEN_NO || setKeysHidden != KEYSHIDDEN_SOFT) { + //ALOGI("No match!"); + return false; + } + } + const int navHidden = inputFlags&MASK_NAVHIDDEN; + const int setNavHidden = settings.inputFlags&MASK_NAVHIDDEN; + if (navHidden != 0 && navHidden != setNavHidden) { + return false; + } + if (keyboard != 0 && keyboard != settings.keyboard) { + return false; + } + if (navigation != 0 && navigation != settings.navigation) { + return false; + } + } + if (screenSize != 0) { + if (screenWidth != 0 && screenWidth > settings.screenWidth) { + return false; + } + if (screenHeight != 0 && screenHeight > settings.screenHeight) { + return false; + } + } + if (version != 0) { + if (sdkVersion != 0 && sdkVersion > settings.sdkVersion) { + return false; + } + if (minorVersion != 0 && minorVersion != settings.minorVersion) { + return false; + } + } + return true; +} + +void ResTable_config::getLocale(char str[6]) const { + memset(str, 0, 6); + if (language[0]) { + str[0] = language[0]; + str[1] = language[1]; + if (country[0]) { + str[2] = '_'; + str[3] = country[0]; + str[4] = country[1]; + } + } +} + +String8 ResTable_config::toString() const { + String8 res; + + if (mcc != 0) { + if (res.size() > 0) res.append("-"); + res.appendFormat("%dmcc", dtohs(mcc)); + } + if (mnc != 0) { + if (res.size() > 0) res.append("-"); + res.appendFormat("%dmnc", dtohs(mnc)); + } + if (language[0] != 0) { + if (res.size() > 0) res.append("-"); + res.append(language, 2); + } + if (country[0] != 0) { + if (res.size() > 0) res.append("-"); + res.append(country, 2); + } + if (smallestScreenWidthDp != 0) { + if (res.size() > 0) res.append("-"); + res.appendFormat("sw%ddp", dtohs(smallestScreenWidthDp)); + } + if (screenWidthDp != 0) { + if (res.size() > 0) res.append("-"); + res.appendFormat("w%ddp", dtohs(screenWidthDp)); + } + if (screenHeightDp != 0) { + if (res.size() > 0) res.append("-"); + res.appendFormat("h%ddp", dtohs(screenHeightDp)); + } + if ((screenLayout&MASK_SCREENSIZE) != SCREENSIZE_ANY) { + if (res.size() > 0) res.append("-"); + switch (screenLayout&ResTable_config::MASK_SCREENSIZE) { + case ResTable_config::SCREENSIZE_SMALL: + res.append("small"); + break; + case ResTable_config::SCREENSIZE_NORMAL: + res.append("normal"); + break; + case ResTable_config::SCREENSIZE_LARGE: + res.append("large"); + break; + case ResTable_config::SCREENSIZE_XLARGE: + res.append("xlarge"); + break; + default: + res.appendFormat("screenLayoutSize=%d", + dtohs(screenLayout&ResTable_config::MASK_SCREENSIZE)); + break; + } + } + if ((screenLayout&MASK_SCREENLONG) != 0) { + if (res.size() > 0) res.append("-"); + switch (screenLayout&ResTable_config::MASK_SCREENLONG) { + case ResTable_config::SCREENLONG_NO: + res.append("notlong"); + break; + case ResTable_config::SCREENLONG_YES: + res.append("long"); + break; + default: + res.appendFormat("screenLayoutLong=%d", + dtohs(screenLayout&ResTable_config::MASK_SCREENLONG)); + break; + } + } + if (orientation != ORIENTATION_ANY) { + if (res.size() > 0) res.append("-"); + switch (orientation) { + case ResTable_config::ORIENTATION_PORT: + res.append("port"); + break; + case ResTable_config::ORIENTATION_LAND: + res.append("land"); + break; + case ResTable_config::ORIENTATION_SQUARE: + res.append("square"); + break; + default: + res.appendFormat("orientation=%d", dtohs(orientation)); + break; + } + } + if ((uiMode&MASK_UI_MODE_TYPE) != UI_MODE_TYPE_ANY) { + if (res.size() > 0) res.append("-"); + switch (uiMode&ResTable_config::MASK_UI_MODE_TYPE) { + case ResTable_config::UI_MODE_TYPE_DESK: + res.append("desk"); + break; + case ResTable_config::UI_MODE_TYPE_CAR: + res.append("car"); + break; + case ResTable_config::UI_MODE_TYPE_TELEVISION: + res.append("television"); + break; + case ResTable_config::UI_MODE_TYPE_APPLIANCE: + res.append("appliance"); + break; + default: + res.appendFormat("uiModeType=%d", + dtohs(screenLayout&ResTable_config::MASK_UI_MODE_TYPE)); + break; + } + } + if ((uiMode&MASK_UI_MODE_NIGHT) != 0) { + if (res.size() > 0) res.append("-"); + switch (uiMode&ResTable_config::MASK_UI_MODE_NIGHT) { + case ResTable_config::UI_MODE_NIGHT_NO: + res.append("notnight"); + break; + case ResTable_config::UI_MODE_NIGHT_YES: + res.append("night"); + break; + default: + res.appendFormat("uiModeNight=%d", + dtohs(uiMode&MASK_UI_MODE_NIGHT)); + break; + } + } + if (density != DENSITY_DEFAULT) { + if (res.size() > 0) res.append("-"); + switch (density) { + case ResTable_config::DENSITY_LOW: + res.append("ldpi"); + break; + case ResTable_config::DENSITY_MEDIUM: + res.append("mdpi"); + break; + case ResTable_config::DENSITY_TV: + res.append("tvdpi"); + break; + case ResTable_config::DENSITY_HIGH: + res.append("hdpi"); + break; + case ResTable_config::DENSITY_XHIGH: + res.append("xhdpi"); + break; + case ResTable_config::DENSITY_XXHIGH: + res.append("xxhdpi"); + break; + case ResTable_config::DENSITY_NONE: + res.append("nodpi"); + break; + default: + res.appendFormat("density=%d", dtohs(density)); + break; + } + } + if (touchscreen != TOUCHSCREEN_ANY) { + if (res.size() > 0) res.append("-"); + switch (touchscreen) { + case ResTable_config::TOUCHSCREEN_NOTOUCH: + res.append("notouch"); + break; + case ResTable_config::TOUCHSCREEN_FINGER: + res.append("finger"); + break; + case ResTable_config::TOUCHSCREEN_STYLUS: + res.append("stylus"); + break; + default: + res.appendFormat("touchscreen=%d", dtohs(touchscreen)); + break; + } + } + if (keyboard != KEYBOARD_ANY) { + if (res.size() > 0) res.append("-"); + switch (keyboard) { + case ResTable_config::KEYBOARD_NOKEYS: + res.append("nokeys"); + break; + case ResTable_config::KEYBOARD_QWERTY: + res.append("qwerty"); + break; + case ResTable_config::KEYBOARD_12KEY: + res.append("12key"); + break; + default: + res.appendFormat("keyboard=%d", dtohs(keyboard)); + break; + } + } + if ((inputFlags&MASK_KEYSHIDDEN) != 0) { + if (res.size() > 0) res.append("-"); + switch (inputFlags&MASK_KEYSHIDDEN) { + case ResTable_config::KEYSHIDDEN_NO: + res.append("keysexposed"); + break; + case ResTable_config::KEYSHIDDEN_YES: + res.append("keyshidden"); + break; + case ResTable_config::KEYSHIDDEN_SOFT: + res.append("keyssoft"); + break; + } + } + if (navigation != NAVIGATION_ANY) { + if (res.size() > 0) res.append("-"); + switch (navigation) { + case ResTable_config::NAVIGATION_NONAV: + res.append("nonav"); + break; + case ResTable_config::NAVIGATION_DPAD: + res.append("dpad"); + break; + case ResTable_config::NAVIGATION_TRACKBALL: + res.append("trackball"); + break; + case ResTable_config::NAVIGATION_WHEEL: + res.append("wheel"); + break; + default: + res.appendFormat("navigation=%d", dtohs(navigation)); + break; + } + } + if ((inputFlags&MASK_NAVHIDDEN) != 0) { + if (res.size() > 0) res.append("-"); + switch (inputFlags&MASK_NAVHIDDEN) { + case ResTable_config::NAVHIDDEN_NO: + res.append("navsexposed"); + break; + case ResTable_config::NAVHIDDEN_YES: + res.append("navhidden"); + break; + default: + res.appendFormat("inputFlagsNavHidden=%d", + dtohs(inputFlags&MASK_NAVHIDDEN)); + break; + } + } + if (screenSize != 0) { + if (res.size() > 0) res.append("-"); + res.appendFormat("%dx%d", dtohs(screenWidth), dtohs(screenHeight)); + } + if (version != 0) { + if (res.size() > 0) res.append("-"); + res.appendFormat("v%d", dtohs(sdkVersion)); + if (minorVersion != 0) { + res.appendFormat(".%d", dtohs(minorVersion)); + } + } + + return res; +} + +// -------------------------------------------------------------------- +// -------------------------------------------------------------------- +// -------------------------------------------------------------------- + +struct ResTable::Header +{ + Header(ResTable* _owner) : owner(_owner), ownedData(NULL), header(NULL), + resourceIDMap(NULL), resourceIDMapSize(0) { } + + ~Header() + { + free(resourceIDMap); + } + + ResTable* const owner; + void* ownedData; + const ResTable_header* header; + size_t size; + const uint8_t* dataEnd; + size_t index; + void* cookie; + + ResStringPool values; + uint32_t* resourceIDMap; + size_t resourceIDMapSize; +}; + +struct ResTable::Type +{ + Type(const Header* _header, const Package* _package, size_t count) + : header(_header), package(_package), entryCount(count), + typeSpec(NULL), typeSpecFlags(NULL) { } + const Header* const header; + const Package* const package; + const size_t entryCount; + const ResTable_typeSpec* typeSpec; + const uint32_t* typeSpecFlags; + Vector<const ResTable_type*> configs; +}; + +struct ResTable::Package +{ + Package(ResTable* _owner, const Header* _header, const ResTable_package* _package) + : owner(_owner), header(_header), package(_package) { } + ~Package() + { + size_t i = types.size(); + while (i > 0) { + i--; + delete types[i]; + } + } + + ResTable* const owner; + const Header* const header; + const ResTable_package* const package; + Vector<Type*> types; + + ResStringPool typeStrings; + ResStringPool keyStrings; + + const Type* getType(size_t idx) const { + return idx < types.size() ? types[idx] : NULL; + } +}; + +// A group of objects describing a particular resource package. +// The first in 'package' is always the root object (from the resource +// table that defined the package); the ones after are skins on top of it. +struct ResTable::PackageGroup +{ + PackageGroup(ResTable* _owner, const String16& _name, uint32_t _id) + : owner(_owner), name(_name), id(_id), typeCount(0), bags(NULL) { } + ~PackageGroup() { + clearBagCache(); + const size_t N = packages.size(); + for (size_t i=0; i<N; i++) { + Package* pkg = packages[i]; + if (pkg->owner == owner) { + delete pkg; + } + } + } + + void clearBagCache() { + if (bags) { + TABLE_NOISY(printf("bags=%p\n", bags)); + Package* pkg = packages[0]; + TABLE_NOISY(printf("typeCount=%x\n", typeCount)); + for (size_t i=0; i<typeCount; i++) { + TABLE_NOISY(printf("type=%d\n", i)); + const Type* type = pkg->getType(i); + if (type != NULL) { + bag_set** typeBags = bags[i]; + TABLE_NOISY(printf("typeBags=%p\n", typeBags)); + if (typeBags) { + TABLE_NOISY(printf("type->entryCount=%x\n", type->entryCount)); + const size_t N = type->entryCount; + for (size_t j=0; j<N; j++) { + if (typeBags[j] && typeBags[j] != (bag_set*)0xFFFFFFFF) + free(typeBags[j]); + } + free(typeBags); + } + } + } + free(bags); + bags = NULL; + } + } + + ResTable* const owner; + String16 const name; + uint32_t const id; + Vector<Package*> packages; + + // This is for finding typeStrings and other common package stuff. + Package* basePackage; + + // For quick access. + size_t typeCount; + + // Computed attribute bags, first indexed by the type and second + // by the entry in that type. + bag_set*** bags; +}; + +struct ResTable::bag_set +{ + size_t numAttrs; // number in array + size_t availAttrs; // total space in array + uint32_t typeSpecFlags; + // Followed by 'numAttr' bag_entry structures. +}; + +ResTable::Theme::Theme(const ResTable& table) + : mTable(table) +{ + memset(mPackages, 0, sizeof(mPackages)); +} + +ResTable::Theme::~Theme() +{ + for (size_t i=0; i<Res_MAXPACKAGE; i++) { + package_info* pi = mPackages[i]; + if (pi != NULL) { + free_package(pi); + } + } +} + +void ResTable::Theme::free_package(package_info* pi) +{ + for (size_t j=0; j<pi->numTypes; j++) { + theme_entry* te = pi->types[j].entries; + if (te != NULL) { + free(te); + } + } + free(pi); +} + +ResTable::Theme::package_info* ResTable::Theme::copy_package(package_info* pi) +{ + package_info* newpi = (package_info*)malloc( + sizeof(package_info) + (pi->numTypes*sizeof(type_info))); + newpi->numTypes = pi->numTypes; + for (size_t j=0; j<newpi->numTypes; j++) { + size_t cnt = pi->types[j].numEntries; + newpi->types[j].numEntries = cnt; + theme_entry* te = pi->types[j].entries; + if (te != NULL) { + theme_entry* newte = (theme_entry*)malloc(cnt*sizeof(theme_entry)); + newpi->types[j].entries = newte; + memcpy(newte, te, cnt*sizeof(theme_entry)); + } else { + newpi->types[j].entries = NULL; + } + } + return newpi; +} + +status_t ResTable::Theme::applyStyle(uint32_t resID, bool force) +{ + const bag_entry* bag; + uint32_t bagTypeSpecFlags = 0; + mTable.lock(); + const ssize_t N = mTable.getBagLocked(resID, &bag, &bagTypeSpecFlags); + TABLE_NOISY(LOGV("Applying style 0x%08x to theme %p, count=%d", resID, this, N)); + if (N < 0) { + mTable.unlock(); + return N; + } + + uint32_t curPackage = 0xffffffff; + ssize_t curPackageIndex = 0; + package_info* curPI = NULL; + uint32_t curType = 0xffffffff; + size_t numEntries = 0; + theme_entry* curEntries = NULL; + + const bag_entry* end = bag + N; + while (bag < end) { + const uint32_t attrRes = bag->map.name.ident; + const uint32_t p = Res_GETPACKAGE(attrRes); + const uint32_t t = Res_GETTYPE(attrRes); + const uint32_t e = Res_GETENTRY(attrRes); + + if (curPackage != p) { + const ssize_t pidx = mTable.getResourcePackageIndex(attrRes); + if (pidx < 0) { + ALOGE("Style contains key with bad package: 0x%08x\n", attrRes); + bag++; + continue; + } + curPackage = p; + curPackageIndex = pidx; + curPI = mPackages[pidx]; + if (curPI == NULL) { + PackageGroup* const grp = mTable.mPackageGroups[pidx]; + int cnt = grp->typeCount; + curPI = (package_info*)malloc( + sizeof(package_info) + (cnt*sizeof(type_info))); + curPI->numTypes = cnt; + memset(curPI->types, 0, cnt*sizeof(type_info)); + mPackages[pidx] = curPI; + } + curType = 0xffffffff; + } + if (curType != t) { + if (t >= curPI->numTypes) { + ALOGE("Style contains key with bad type: 0x%08x\n", attrRes); + bag++; + continue; + } + curType = t; + curEntries = curPI->types[t].entries; + if (curEntries == NULL) { + PackageGroup* const grp = mTable.mPackageGroups[curPackageIndex]; + const Type* type = grp->packages[0]->getType(t); + int cnt = type != NULL ? type->entryCount : 0; + curEntries = (theme_entry*)malloc(cnt*sizeof(theme_entry)); + memset(curEntries, Res_value::TYPE_NULL, cnt*sizeof(theme_entry)); + curPI->types[t].numEntries = cnt; + curPI->types[t].entries = curEntries; + } + numEntries = curPI->types[t].numEntries; + } + if (e >= numEntries) { + ALOGE("Style contains key with bad entry: 0x%08x\n", attrRes); + bag++; + continue; + } + theme_entry* curEntry = curEntries + e; + TABLE_NOISY(LOGV("Attr 0x%08x: type=0x%x, data=0x%08x; curType=0x%x", + attrRes, bag->map.value.dataType, bag->map.value.data, + curEntry->value.dataType)); + if (force || curEntry->value.dataType == Res_value::TYPE_NULL) { + curEntry->stringBlock = bag->stringBlock; + curEntry->typeSpecFlags |= bagTypeSpecFlags; + curEntry->value = bag->map.value; + } + + bag++; + } + + mTable.unlock(); + + //ALOGI("Applying style 0x%08x (force=%d) theme %p...\n", resID, force, this); + //dumpToLog(); + + return NO_ERROR; +} + +status_t ResTable::Theme::setTo(const Theme& other) +{ + //ALOGI("Setting theme %p from theme %p...\n", this, &other); + //dumpToLog(); + //other.dumpToLog(); + + if (&mTable == &other.mTable) { + for (size_t i=0; i<Res_MAXPACKAGE; i++) { + if (mPackages[i] != NULL) { + free_package(mPackages[i]); + } + if (other.mPackages[i] != NULL) { + mPackages[i] = copy_package(other.mPackages[i]); + } else { + mPackages[i] = NULL; + } + } + } else { + // @todo: need to really implement this, not just copy + // the system package (which is still wrong because it isn't + // fixing up resource references). + for (size_t i=0; i<Res_MAXPACKAGE; i++) { + if (mPackages[i] != NULL) { + free_package(mPackages[i]); + } + if (i == 0 && other.mPackages[i] != NULL) { + mPackages[i] = copy_package(other.mPackages[i]); + } else { + mPackages[i] = NULL; + } + } + } + + //ALOGI("Final theme:"); + //dumpToLog(); + + return NO_ERROR; +} + +ssize_t ResTable::Theme::getAttribute(uint32_t resID, Res_value* outValue, + uint32_t* outTypeSpecFlags) const +{ + int cnt = 20; + + if (outTypeSpecFlags != NULL) *outTypeSpecFlags = 0; + + do { + const ssize_t p = mTable.getResourcePackageIndex(resID); + const uint32_t t = Res_GETTYPE(resID); + const uint32_t e = Res_GETENTRY(resID); + + TABLE_THEME(LOGI("Looking up attr 0x%08x in theme %p", resID, this)); + + if (p >= 0) { + const package_info* const pi = mPackages[p]; + TABLE_THEME(LOGI("Found package: %p", pi)); + if (pi != NULL) { + TABLE_THEME(LOGI("Desired type index is %ld in avail %d", t, pi->numTypes)); + if (t < pi->numTypes) { + const type_info& ti = pi->types[t]; + TABLE_THEME(LOGI("Desired entry index is %ld in avail %d", e, ti.numEntries)); + if (e < ti.numEntries) { + const theme_entry& te = ti.entries[e]; + if (outTypeSpecFlags != NULL) { + *outTypeSpecFlags |= te.typeSpecFlags; + } + TABLE_THEME(LOGI("Theme value: type=0x%x, data=0x%08x", + te.value.dataType, te.value.data)); + const uint8_t type = te.value.dataType; + if (type == Res_value::TYPE_ATTRIBUTE) { + if (cnt > 0) { + cnt--; + resID = te.value.data; + continue; + } + ALOGW("Too many attribute references, stopped at: 0x%08x\n", resID); + return BAD_INDEX; + } else if (type != Res_value::TYPE_NULL) { + *outValue = te.value; + return te.stringBlock; + } + return BAD_INDEX; + } + } + } + } + break; + + } while (true); + + return BAD_INDEX; +} + +ssize_t ResTable::Theme::resolveAttributeReference(Res_value* inOutValue, + ssize_t blockIndex, uint32_t* outLastRef, + uint32_t* inoutTypeSpecFlags, ResTable_config* inoutConfig) const +{ + //printf("Resolving type=0x%x\n", inOutValue->dataType); + if (inOutValue->dataType == Res_value::TYPE_ATTRIBUTE) { + uint32_t newTypeSpecFlags; + blockIndex = getAttribute(inOutValue->data, inOutValue, &newTypeSpecFlags); + TABLE_THEME(LOGI("Resolving attr reference: blockIndex=%d, type=0x%x, data=%p\n", + (int)blockIndex, (int)inOutValue->dataType, (void*)inOutValue->data)); + if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newTypeSpecFlags; + //printf("Retrieved attribute new type=0x%x\n", inOutValue->dataType); + if (blockIndex < 0) { + return blockIndex; + } + } + return mTable.resolveReference(inOutValue, blockIndex, outLastRef, + inoutTypeSpecFlags, inoutConfig); +} + +void ResTable::Theme::dumpToLog() const +{ + ALOGI("Theme %p:\n", this); + for (size_t i=0; i<Res_MAXPACKAGE; i++) { + package_info* pi = mPackages[i]; + if (pi == NULL) continue; + + ALOGI(" Package #0x%02x:\n", (int)(i+1)); + for (size_t j=0; j<pi->numTypes; j++) { + type_info& ti = pi->types[j]; + if (ti.numEntries == 0) continue; + + ALOGI(" Type #0x%02x:\n", (int)(j+1)); + for (size_t k=0; k<ti.numEntries; k++) { + theme_entry& te = ti.entries[k]; + if (te.value.dataType == Res_value::TYPE_NULL) continue; + ALOGI(" 0x%08x: t=0x%x, d=0x%08x (block=%d)\n", + (int)Res_MAKEID(i, j, k), + te.value.dataType, (int)te.value.data, (int)te.stringBlock); + } + } + } +} + +ResTable::ResTable() + : mError(NO_INIT) +{ + memset(&mParams, 0, sizeof(mParams)); + memset(mPackageMap, 0, sizeof(mPackageMap)); + //ALOGI("Creating ResTable %p\n", this); +} + +ResTable::ResTable(const void* data, size_t size, void* cookie, bool copyData) + : mError(NO_INIT) +{ + memset(&mParams, 0, sizeof(mParams)); + memset(mPackageMap, 0, sizeof(mPackageMap)); + add(data, size, cookie, copyData); + LOG_FATAL_IF(mError != NO_ERROR, "Error parsing resource table"); + //ALOGI("Creating ResTable %p\n", this); +} + +ResTable::~ResTable() +{ + //ALOGI("Destroying ResTable in %p\n", this); + uninit(); +} + +inline ssize_t ResTable::getResourcePackageIndex(uint32_t resID) const +{ + return ((ssize_t)mPackageMap[Res_GETPACKAGE(resID)+1])-1; +} + +status_t ResTable::add(const void* data, size_t size, void* cookie, bool copyData, + const void* idmap) +{ + return add(data, size, cookie, NULL, copyData, reinterpret_cast<const Asset*>(idmap)); +} + +status_t ResTable::add(Asset* asset, void* cookie, bool copyData, const void* idmap) +{ + const void* data = asset->getBuffer(true); + if (data == NULL) { + ALOGW("Unable to get buffer of resource asset file"); + return UNKNOWN_ERROR; + } + size_t size = (size_t)asset->getLength(); + return add(data, size, cookie, asset, copyData, reinterpret_cast<const Asset*>(idmap)); +} + +status_t ResTable::add(ResTable* src) +{ + mError = src->mError; + + for (size_t i=0; i<src->mHeaders.size(); i++) { + mHeaders.add(src->mHeaders[i]); + } + + for (size_t i=0; i<src->mPackageGroups.size(); i++) { + PackageGroup* srcPg = src->mPackageGroups[i]; + PackageGroup* pg = new PackageGroup(this, srcPg->name, srcPg->id); + for (size_t j=0; j<srcPg->packages.size(); j++) { + pg->packages.add(srcPg->packages[j]); + } + pg->basePackage = srcPg->basePackage; + pg->typeCount = srcPg->typeCount; + mPackageGroups.add(pg); + } + + memcpy(mPackageMap, src->mPackageMap, sizeof(mPackageMap)); + + return mError; +} + +status_t ResTable::add(const void* data, size_t size, void* cookie, + Asset* asset, bool copyData, const Asset* idmap) +{ + if (!data) return NO_ERROR; + Header* header = new Header(this); + header->index = mHeaders.size(); + header->cookie = cookie; + if (idmap != NULL) { + const size_t idmap_size = idmap->getLength(); + const void* idmap_data = const_cast<Asset*>(idmap)->getBuffer(true); + header->resourceIDMap = (uint32_t*)malloc(idmap_size); + if (header->resourceIDMap == NULL) { + delete header; + return (mError = NO_MEMORY); + } + memcpy((void*)header->resourceIDMap, idmap_data, idmap_size); + header->resourceIDMapSize = idmap_size; + } + mHeaders.add(header); + + const bool notDeviceEndian = htods(0xf0) != 0xf0; + + LOAD_TABLE_NOISY( + ALOGV("Adding resources to ResTable: data=%p, size=0x%x, cookie=%p, asset=%p, copy=%d " + "idmap=%p\n", data, size, cookie, asset, copyData, idmap)); + + if (copyData || notDeviceEndian) { + header->ownedData = malloc(size); + if (header->ownedData == NULL) { + return (mError=NO_MEMORY); + } + memcpy(header->ownedData, data, size); + data = header->ownedData; + } + + header->header = (const ResTable_header*)data; + header->size = dtohl(header->header->header.size); + //ALOGI("Got size 0x%x, again size 0x%x, raw size 0x%x\n", header->size, + // dtohl(header->header->header.size), header->header->header.size); + LOAD_TABLE_NOISY(LOGV("Loading ResTable @%p:\n", header->header)); + LOAD_TABLE_NOISY(printHexData(2, header->header, header->size < 256 ? header->size : 256, + 16, 16, 0, false, printToLogFunc)); + if (dtohs(header->header->header.headerSize) > header->size + || header->size > size) { + ALOGW("Bad resource table: header size 0x%x or total size 0x%x is larger than data size 0x%x\n", + (int)dtohs(header->header->header.headerSize), + (int)header->size, (int)size); + return (mError=BAD_TYPE); + } + if (((dtohs(header->header->header.headerSize)|header->size)&0x3) != 0) { + ALOGW("Bad resource table: header size 0x%x or total size 0x%x is not on an integer boundary\n", + (int)dtohs(header->header->header.headerSize), + (int)header->size); + return (mError=BAD_TYPE); + } + header->dataEnd = ((const uint8_t*)header->header) + header->size; + + // Iterate through all chunks. + size_t curPackage = 0; + + const ResChunk_header* chunk = + (const ResChunk_header*)(((const uint8_t*)header->header) + + dtohs(header->header->header.headerSize)); + while (((const uint8_t*)chunk) <= (header->dataEnd-sizeof(ResChunk_header)) && + ((const uint8_t*)chunk) <= (header->dataEnd-dtohl(chunk->size))) { + status_t err = validate_chunk(chunk, sizeof(ResChunk_header), header->dataEnd, "ResTable"); + if (err != NO_ERROR) { + return (mError=err); + } + TABLE_NOISY(LOGV("Chunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", + dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), + (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); + const size_t csize = dtohl(chunk->size); + const uint16_t ctype = dtohs(chunk->type); + if (ctype == RES_STRING_POOL_TYPE) { + if (header->values.getError() != NO_ERROR) { + // Only use the first string chunk; ignore any others that + // may appear. + status_t err = header->values.setTo(chunk, csize); + if (err != NO_ERROR) { + return (mError=err); + } + } else { + ALOGW("Multiple string chunks found in resource table."); + } + } else if (ctype == RES_TABLE_PACKAGE_TYPE) { + if (curPackage >= dtohl(header->header->packageCount)) { + ALOGW("More package chunks were found than the %d declared in the header.", + dtohl(header->header->packageCount)); + return (mError=BAD_TYPE); + } + uint32_t idmap_id = 0; + if (idmap != NULL) { + uint32_t tmp; + if (getIdmapPackageId(header->resourceIDMap, + header->resourceIDMapSize, + &tmp) == NO_ERROR) { + idmap_id = tmp; + } + } + if (parsePackage((ResTable_package*)chunk, header, idmap_id) != NO_ERROR) { + return mError; + } + curPackage++; + } else { + ALOGW("Unknown chunk type %p in table at %p.\n", + (void*)(int)(ctype), + (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header))); + } + chunk = (const ResChunk_header*) + (((const uint8_t*)chunk) + csize); + } + + if (curPackage < dtohl(header->header->packageCount)) { + ALOGW("Fewer package chunks (%d) were found than the %d declared in the header.", + (int)curPackage, dtohl(header->header->packageCount)); + return (mError=BAD_TYPE); + } + mError = header->values.getError(); + if (mError != NO_ERROR) { + ALOGW("No string values found in resource table!"); + } + + TABLE_NOISY(LOGV("Returning from add with mError=%d\n", mError)); + return mError; +} + +status_t ResTable::getError() const +{ + return mError; +} + +void ResTable::uninit() +{ + mError = NO_INIT; + size_t N = mPackageGroups.size(); + for (size_t i=0; i<N; i++) { + PackageGroup* g = mPackageGroups[i]; + delete g; + } + N = mHeaders.size(); + for (size_t i=0; i<N; i++) { + Header* header = mHeaders[i]; + if (header->owner == this) { + if (header->ownedData) { + free(header->ownedData); + } + delete header; + } + } + + mPackageGroups.clear(); + mHeaders.clear(); +} + +bool ResTable::getResourceName(uint32_t resID, resource_name* outName) const +{ + if (mError != NO_ERROR) { + return false; + } + + const ssize_t p = getResourcePackageIndex(resID); + const int t = Res_GETTYPE(resID); + const int e = Res_GETENTRY(resID); + + if (p < 0) { + if (Res_GETPACKAGE(resID)+1 == 0) { + ALOGW("No package identifier when getting name for resource number 0x%08x", resID); + } else { + ALOGW("No known package when getting name for resource number 0x%08x", resID); + } + return false; + } + if (t < 0) { + ALOGW("No type identifier when getting name for resource number 0x%08x", resID); + return false; + } + + const PackageGroup* const grp = mPackageGroups[p]; + if (grp == NULL) { + ALOGW("Bad identifier when getting name for resource number 0x%08x", resID); + return false; + } + if (grp->packages.size() > 0) { + const Package* const package = grp->packages[0]; + + const ResTable_type* type; + const ResTable_entry* entry; + ssize_t offset = getEntry(package, t, e, NULL, &type, &entry, NULL); + if (offset <= 0) { + return false; + } + + outName->package = grp->name.string(); + outName->packageLen = grp->name.size(); + outName->type = grp->basePackage->typeStrings.stringAt(t, &outName->typeLen); + outName->name = grp->basePackage->keyStrings.stringAt( + dtohl(entry->key.index), &outName->nameLen); + + // If we have a bad index for some reason, we should abort. + if (outName->type == NULL || outName->name == NULL) { + return false; + } + + return true; + } + + return false; +} + +ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag, uint16_t density, + uint32_t* outSpecFlags, ResTable_config* outConfig) const +{ + if (mError != NO_ERROR) { + return mError; + } + + const ssize_t p = getResourcePackageIndex(resID); + const int t = Res_GETTYPE(resID); + const int e = Res_GETENTRY(resID); + + if (p < 0) { + if (Res_GETPACKAGE(resID)+1 == 0) { + ALOGW("No package identifier when getting value for resource number 0x%08x", resID); + } else { + ALOGW("No known package when getting value for resource number 0x%08x", resID); + } + return BAD_INDEX; + } + if (t < 0) { + ALOGW("No type identifier when getting value for resource number 0x%08x", resID); + return BAD_INDEX; + } + + const Res_value* bestValue = NULL; + const Package* bestPackage = NULL; + ResTable_config bestItem; + memset(&bestItem, 0, sizeof(bestItem)); // make the compiler shut up + + if (outSpecFlags != NULL) *outSpecFlags = 0; + + // Look through all resource packages, starting with the most + // recently added. + const PackageGroup* const grp = mPackageGroups[p]; + if (grp == NULL) { + ALOGW("Bad identifier when getting value for resource number 0x%08x", resID); + return BAD_INDEX; + } + + // Allow overriding density + const ResTable_config* desiredConfig = &mParams; + ResTable_config* overrideConfig = NULL; + if (density > 0) { + overrideConfig = (ResTable_config*) malloc(sizeof(ResTable_config)); + if (overrideConfig == NULL) { + ALOGE("Couldn't malloc ResTable_config for overrides: %s", strerror(errno)); + return BAD_INDEX; + } + memcpy(overrideConfig, &mParams, sizeof(ResTable_config)); + overrideConfig->density = density; + desiredConfig = overrideConfig; + } + + ssize_t rc = BAD_VALUE; + size_t ip = grp->packages.size(); + while (ip > 0) { + ip--; + int T = t; + int E = e; + + const Package* const package = grp->packages[ip]; + if (package->header->resourceIDMap) { + uint32_t overlayResID = 0x0; + status_t retval = idmapLookup(package->header->resourceIDMap, + package->header->resourceIDMapSize, + resID, &overlayResID); + if (retval == NO_ERROR && overlayResID != 0x0) { + // for this loop iteration, this is the type and entry we really want + ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); + T = Res_GETTYPE(overlayResID); + E = Res_GETENTRY(overlayResID); + } else { + // resource not present in overlay package, continue with the next package + continue; + } + } + + const ResTable_type* type; + const ResTable_entry* entry; + const Type* typeClass; + ssize_t offset = getEntry(package, T, E, desiredConfig, &type, &entry, &typeClass); + if (offset <= 0) { + // No {entry, appropriate config} pair found in package. If this + // package is an overlay package (ip != 0), this simply means the + // overlay package did not specify a default. + // Non-overlay packages are still required to provide a default. + if (offset < 0 && ip == 0) { + ALOGW("Failure getting entry for 0x%08x (t=%d e=%d) in package %zd (error %d)\n", + resID, T, E, ip, (int)offset); + rc = offset; + goto out; + } + continue; + } + + if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) != 0) { + if (!mayBeBag) { + ALOGW("Requesting resource %p failed because it is complex\n", + (void*)resID); + } + continue; + } + + TABLE_NOISY(aout << "Resource type data: " + << HexDump(type, dtohl(type->header.size)) << endl); + + if ((size_t)offset > (dtohl(type->header.size)-sizeof(Res_value))) { + ALOGW("ResTable_item at %d is beyond type chunk data %d", + (int)offset, dtohl(type->header.size)); + rc = BAD_TYPE; + goto out; + } + + const Res_value* item = + (const Res_value*)(((const uint8_t*)type) + offset); + ResTable_config thisConfig; + thisConfig.copyFromDtoH(type->config); + + if (outSpecFlags != NULL) { + if (typeClass->typeSpecFlags != NULL) { + *outSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); + } else { + *outSpecFlags = -1; + } + } + + if (bestPackage != NULL && + (bestItem.isMoreSpecificThan(thisConfig) || bestItem.diff(thisConfig) == 0)) { + // Discard thisConfig not only if bestItem is more specific, but also if the two configs + // are identical (diff == 0), or overlay packages will not take effect. + continue; + } + + bestItem = thisConfig; + bestValue = item; + bestPackage = package; + } + + TABLE_NOISY(printf("Found result: package %p\n", bestPackage)); + + if (bestValue) { + outValue->size = dtohs(bestValue->size); + outValue->res0 = bestValue->res0; + outValue->dataType = bestValue->dataType; + outValue->data = dtohl(bestValue->data); + if (outConfig != NULL) { + *outConfig = bestItem; + } + TABLE_NOISY(size_t len; + printf("Found value: pkg=%d, type=%d, str=%s, int=%d\n", + bestPackage->header->index, + outValue->dataType, + outValue->dataType == bestValue->TYPE_STRING + ? String8(bestPackage->header->values.stringAt( + outValue->data, &len)).string() + : "", + outValue->data)); + rc = bestPackage->header->index; + goto out; + } + +out: + if (overrideConfig != NULL) { + free(overrideConfig); + } + + return rc; +} + +ssize_t ResTable::resolveReference(Res_value* value, ssize_t blockIndex, + uint32_t* outLastRef, uint32_t* inoutTypeSpecFlags, + ResTable_config* outConfig) const +{ + int count=0; + while (blockIndex >= 0 && value->dataType == value->TYPE_REFERENCE + && value->data != 0 && count < 20) { + if (outLastRef) *outLastRef = value->data; + uint32_t lastRef = value->data; + uint32_t newFlags = 0; + const ssize_t newIndex = getResource(value->data, value, true, 0, &newFlags, + outConfig); + if (newIndex == BAD_INDEX) { + return BAD_INDEX; + } + TABLE_THEME(LOGI("Resolving reference %p: newIndex=%d, type=0x%x, data=%p\n", + (void*)lastRef, (int)newIndex, (int)value->dataType, (void*)value->data)); + //printf("Getting reference 0x%08x: newIndex=%d\n", value->data, newIndex); + if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newFlags; + if (newIndex < 0) { + // This can fail if the resource being referenced is a style... + // in this case, just return the reference, and expect the + // caller to deal with. + return blockIndex; + } + blockIndex = newIndex; + count++; + } + return blockIndex; +} + +const char16_t* ResTable::valueToString( + const Res_value* value, size_t stringBlock, + char16_t tmpBuffer[TMP_BUFFER_SIZE], size_t* outLen) +{ + if (!value) { + return NULL; + } + if (value->dataType == value->TYPE_STRING) { + return getTableStringBlock(stringBlock)->stringAt(value->data, outLen); + } + // XXX do int to string conversions. + return NULL; +} + +ssize_t ResTable::lockBag(uint32_t resID, const bag_entry** outBag) const +{ + mLock.lock(); + ssize_t err = getBagLocked(resID, outBag); + if (err < NO_ERROR) { + //printf("*** get failed! unlocking\n"); + mLock.unlock(); + } + return err; +} + +void ResTable::unlockBag(const bag_entry* bag) const +{ + //printf("<<< unlockBag %p\n", this); + mLock.unlock(); +} + +void ResTable::lock() const +{ + mLock.lock(); +} + +void ResTable::unlock() const +{ + mLock.unlock(); +} + +ssize_t ResTable::getBagLocked(uint32_t resID, const bag_entry** outBag, + uint32_t* outTypeSpecFlags) const +{ + if (mError != NO_ERROR) { + return mError; + } + + const ssize_t p = getResourcePackageIndex(resID); + const int t = Res_GETTYPE(resID); + const int e = Res_GETENTRY(resID); + + if (p < 0) { + ALOGW("Invalid package identifier when getting bag for resource number 0x%08x", resID); + return BAD_INDEX; + } + if (t < 0) { + ALOGW("No type identifier when getting bag for resource number 0x%08x", resID); + return BAD_INDEX; + } + + //printf("Get bag: id=0x%08x, p=%d, t=%d\n", resID, p, t); + PackageGroup* const grp = mPackageGroups[p]; + if (grp == NULL) { + ALOGW("Bad identifier when getting bag for resource number 0x%08x", resID); + return false; + } + + if (t >= (int)grp->typeCount) { + ALOGW("Type identifier 0x%x is larger than type count 0x%x", + t+1, (int)grp->typeCount); + return BAD_INDEX; + } + + const Package* const basePackage = grp->packages[0]; + + const Type* const typeConfigs = basePackage->getType(t); + + const size_t NENTRY = typeConfigs->entryCount; + if (e >= (int)NENTRY) { + ALOGW("Entry identifier 0x%x is larger than entry count 0x%x", + e, (int)typeConfigs->entryCount); + return BAD_INDEX; + } + + // First see if we've already computed this bag... + if (grp->bags) { + bag_set** typeSet = grp->bags[t]; + if (typeSet) { + bag_set* set = typeSet[e]; + if (set) { + if (set != (bag_set*)0xFFFFFFFF) { + if (outTypeSpecFlags != NULL) { + *outTypeSpecFlags = set->typeSpecFlags; + } + *outBag = (bag_entry*)(set+1); + //ALOGI("Found existing bag for: %p\n", (void*)resID); + return set->numAttrs; + } + ALOGW("Attempt to retrieve bag 0x%08x which is invalid or in a cycle.", + resID); + return BAD_INDEX; + } + } + } + + // Bag not found, we need to compute it! + if (!grp->bags) { + grp->bags = (bag_set***)calloc(grp->typeCount, sizeof(bag_set*)); + if (!grp->bags) return NO_MEMORY; + } + + bag_set** typeSet = grp->bags[t]; + if (!typeSet) { + typeSet = (bag_set**)calloc(NENTRY, sizeof(bag_set*)); + if (!typeSet) return NO_MEMORY; + grp->bags[t] = typeSet; + } + + // Mark that we are currently working on this one. + typeSet[e] = (bag_set*)0xFFFFFFFF; + + // This is what we are building. + bag_set* set = NULL; + + TABLE_NOISY(LOGI("Building bag: %p\n", (void*)resID)); + + ResTable_config bestConfig; + memset(&bestConfig, 0, sizeof(bestConfig)); + + // Now collect all bag attributes from all packages. + size_t ip = grp->packages.size(); + while (ip > 0) { + ip--; + int T = t; + int E = e; + + const Package* const package = grp->packages[ip]; + if (package->header->resourceIDMap) { + uint32_t overlayResID = 0x0; + status_t retval = idmapLookup(package->header->resourceIDMap, + package->header->resourceIDMapSize, + resID, &overlayResID); + if (retval == NO_ERROR && overlayResID != 0x0) { + // for this loop iteration, this is the type and entry we really want + ALOGV("resource map 0x%08x -> 0x%08x\n", resID, overlayResID); + T = Res_GETTYPE(overlayResID); + E = Res_GETENTRY(overlayResID); + } else { + // resource not present in overlay package, continue with the next package + continue; + } + } + + const ResTable_type* type; + const ResTable_entry* entry; + const Type* typeClass; + ALOGV("Getting entry pkg=%p, t=%d, e=%d\n", package, T, E); + ssize_t offset = getEntry(package, T, E, &mParams, &type, &entry, &typeClass); + ALOGV("Resulting offset=%d\n", offset); + if (offset <= 0) { + // No {entry, appropriate config} pair found in package. If this + // package is an overlay package (ip != 0), this simply means the + // overlay package did not specify a default. + // Non-overlay packages are still required to provide a default. + if (offset < 0 && ip == 0) { + if (set) free(set); + return offset; + } + continue; + } + + if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) == 0) { + ALOGW("Skipping entry %p in package table %d because it is not complex!\n", + (void*)resID, (int)ip); + continue; + } + + if (set != NULL && !type->config.isBetterThan(bestConfig, NULL)) { + continue; + } + bestConfig = type->config; + if (set) { + free(set); + set = NULL; + } + + const uint16_t entrySize = dtohs(entry->size); + const uint32_t parent = entrySize >= sizeof(ResTable_map_entry) + ? dtohl(((const ResTable_map_entry*)entry)->parent.ident) : 0; + const uint32_t count = entrySize >= sizeof(ResTable_map_entry) + ? dtohl(((const ResTable_map_entry*)entry)->count) : 0; + + size_t N = count; + + TABLE_NOISY(LOGI("Found map: size=%p parent=%p count=%d\n", + entrySize, parent, count)); + + // If this map inherits from another, we need to start + // with its parent's values. Otherwise start out empty. + TABLE_NOISY(printf("Creating new bag, entrySize=0x%08x, parent=0x%08x\n", + entrySize, parent)); + if (parent) { + const bag_entry* parentBag; + uint32_t parentTypeSpecFlags = 0; + const ssize_t NP = getBagLocked(parent, &parentBag, &parentTypeSpecFlags); + const size_t NT = ((NP >= 0) ? NP : 0) + N; + set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*NT); + if (set == NULL) { + return NO_MEMORY; + } + if (NP > 0) { + memcpy(set+1, parentBag, NP*sizeof(bag_entry)); + set->numAttrs = NP; + TABLE_NOISY(LOGI("Initialized new bag with %d inherited attributes.\n", NP)); + } else { + TABLE_NOISY(LOGI("Initialized new bag with no inherited attributes.\n")); + set->numAttrs = 0; + } + set->availAttrs = NT; + set->typeSpecFlags = parentTypeSpecFlags; + } else { + set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*N); + if (set == NULL) { + return NO_MEMORY; + } + set->numAttrs = 0; + set->availAttrs = N; + set->typeSpecFlags = 0; + } + + if (typeClass->typeSpecFlags != NULL) { + set->typeSpecFlags |= dtohl(typeClass->typeSpecFlags[E]); + } else { + set->typeSpecFlags = -1; + } + + // Now merge in the new attributes... + ssize_t curOff = offset; + const ResTable_map* map; + bag_entry* entries = (bag_entry*)(set+1); + size_t curEntry = 0; + uint32_t pos = 0; + TABLE_NOISY(LOGI("Starting with set %p, entries=%p, avail=%d\n", + set, entries, set->availAttrs)); + while (pos < count) { + TABLE_NOISY(printf("Now at %p\n", (void*)curOff)); + + if ((size_t)curOff > (dtohl(type->header.size)-sizeof(ResTable_map))) { + ALOGW("ResTable_map at %d is beyond type chunk data %d", + (int)curOff, dtohl(type->header.size)); + return BAD_TYPE; + } + map = (const ResTable_map*)(((const uint8_t*)type) + curOff); + N++; + + const uint32_t newName = htodl(map->name.ident); + bool isInside; + uint32_t oldName = 0; + while ((isInside=(curEntry < set->numAttrs)) + && (oldName=entries[curEntry].map.name.ident) < newName) { + TABLE_NOISY(printf("#%d: Keeping existing attribute: 0x%08x\n", + curEntry, entries[curEntry].map.name.ident)); + curEntry++; + } + + if ((!isInside) || oldName != newName) { + // This is a new attribute... figure out what to do with it. + if (set->numAttrs >= set->availAttrs) { + // Need to alloc more memory... + const size_t newAvail = set->availAttrs+N; + set = (bag_set*)realloc(set, + sizeof(bag_set) + + sizeof(bag_entry)*newAvail); + if (set == NULL) { + return NO_MEMORY; + } + set->availAttrs = newAvail; + entries = (bag_entry*)(set+1); + TABLE_NOISY(printf("Reallocated set %p, entries=%p, avail=%d\n", + set, entries, set->availAttrs)); + } + if (isInside) { + // Going in the middle, need to make space. + memmove(entries+curEntry+1, entries+curEntry, + sizeof(bag_entry)*(set->numAttrs-curEntry)); + set->numAttrs++; + } + TABLE_NOISY(printf("#%d: Inserting new attribute: 0x%08x\n", + curEntry, newName)); + } else { + TABLE_NOISY(printf("#%d: Replacing existing attribute: 0x%08x\n", + curEntry, oldName)); + } + + bag_entry* cur = entries+curEntry; + + cur->stringBlock = package->header->index; + cur->map.name.ident = newName; + cur->map.value.copyFrom_dtoh(map->value); + TABLE_NOISY(printf("Setting entry #%d %p: block=%d, name=0x%08x, type=%d, data=0x%08x\n", + curEntry, cur, cur->stringBlock, cur->map.name.ident, + cur->map.value.dataType, cur->map.value.data)); + + // On to the next! + curEntry++; + pos++; + const size_t size = dtohs(map->value.size); + curOff += size + sizeof(*map)-sizeof(map->value); + }; + if (curEntry > set->numAttrs) { + set->numAttrs = curEntry; + } + } + + // And this is it... + typeSet[e] = set; + if (set) { + if (outTypeSpecFlags != NULL) { + *outTypeSpecFlags = set->typeSpecFlags; + } + *outBag = (bag_entry*)(set+1); + TABLE_NOISY(LOGI("Returning %d attrs\n", set->numAttrs)); + return set->numAttrs; + } + return BAD_INDEX; +} + +void ResTable::setParameters(const ResTable_config* params) +{ + mLock.lock(); + TABLE_GETENTRY(LOGI("Setting parameters: imsi:%d/%d lang:%c%c cnt:%c%c " + "orien:%d touch:%d density:%d key:%d inp:%d nav:%d sz:%dx%d sw%ddp w%ddp h%ddp\n", + params->mcc, params->mnc, + params->language[0] ? params->language[0] : '-', + params->language[1] ? params->language[1] : '-', + params->country[0] ? params->country[0] : '-', + params->country[1] ? params->country[1] : '-', + params->orientation, + params->touchscreen, + params->density, + params->keyboard, + params->inputFlags, + params->navigation, + params->screenWidth, + params->screenHeight, + params->smallestScreenWidthDp, + params->screenWidthDp, + params->screenHeightDp)); + mParams = *params; + for (size_t i=0; i<mPackageGroups.size(); i++) { + TABLE_NOISY(LOGI("CLEARING BAGS FOR GROUP %d!", i)); + mPackageGroups[i]->clearBagCache(); + } + mLock.unlock(); +} + +void ResTable::getParameters(ResTable_config* params) const +{ + mLock.lock(); + *params = mParams; + mLock.unlock(); +} + +struct id_name_map { + uint32_t id; + size_t len; + char16_t name[6]; +}; + +const static id_name_map ID_NAMES[] = { + { ResTable_map::ATTR_TYPE, 5, { '^', 't', 'y', 'p', 'e' } }, + { ResTable_map::ATTR_L10N, 5, { '^', 'l', '1', '0', 'n' } }, + { ResTable_map::ATTR_MIN, 4, { '^', 'm', 'i', 'n' } }, + { ResTable_map::ATTR_MAX, 4, { '^', 'm', 'a', 'x' } }, + { ResTable_map::ATTR_OTHER, 6, { '^', 'o', 't', 'h', 'e', 'r' } }, + { ResTable_map::ATTR_ZERO, 5, { '^', 'z', 'e', 'r', 'o' } }, + { ResTable_map::ATTR_ONE, 4, { '^', 'o', 'n', 'e' } }, + { ResTable_map::ATTR_TWO, 4, { '^', 't', 'w', 'o' } }, + { ResTable_map::ATTR_FEW, 4, { '^', 'f', 'e', 'w' } }, + { ResTable_map::ATTR_MANY, 5, { '^', 'm', 'a', 'n', 'y' } }, +}; + +uint32_t ResTable::identifierForName(const char16_t* name, size_t nameLen, + const char16_t* type, size_t typeLen, + const char16_t* package, + size_t packageLen, + uint32_t* outTypeSpecFlags) const +{ + TABLE_SUPER_NOISY(printf("Identifier for name: error=%d\n", mError)); + + // Check for internal resource identifier as the very first thing, so + // that we will always find them even when there are no resources. + if (name[0] == '^') { + const int N = (sizeof(ID_NAMES)/sizeof(ID_NAMES[0])); + size_t len; + for (int i=0; i<N; i++) { + const id_name_map* m = ID_NAMES + i; + len = m->len; + if (len != nameLen) { + continue; + } + for (size_t j=1; j<len; j++) { + if (m->name[j] != name[j]) { + goto nope; + } + } + if (outTypeSpecFlags) { + *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; + } + return m->id; +nope: + ; + } + if (nameLen > 7) { + if (name[1] == 'i' && name[2] == 'n' + && name[3] == 'd' && name[4] == 'e' && name[5] == 'x' + && name[6] == '_') { + int index = atoi(String8(name + 7, nameLen - 7).string()); + if (Res_CHECKID(index)) { + ALOGW("Array resource index: %d is too large.", + index); + return 0; + } + if (outTypeSpecFlags) { + *outTypeSpecFlags = ResTable_typeSpec::SPEC_PUBLIC; + } + return Res_MAKEARRAY(index); + } + } + return 0; + } + + if (mError != NO_ERROR) { + return 0; + } + + bool fakePublic = false; + + // Figure out the package and type we are looking in... + + const char16_t* packageEnd = NULL; + const char16_t* typeEnd = NULL; + const char16_t* const nameEnd = name+nameLen; + const char16_t* p = name; + while (p < nameEnd) { + if (*p == ':') packageEnd = p; + else if (*p == '/') typeEnd = p; + p++; + } + if (*name == '@') { + name++; + if (*name == '*') { + fakePublic = true; + name++; + } + } + if (name >= nameEnd) { + return 0; + } + + if (packageEnd) { + package = name; + packageLen = packageEnd-name; + name = packageEnd+1; + } else if (!package) { + return 0; + } + + if (typeEnd) { + type = name; + typeLen = typeEnd-name; + name = typeEnd+1; + } else if (!type) { + return 0; + } + + if (name >= nameEnd) { + return 0; + } + nameLen = nameEnd-name; + + TABLE_NOISY(printf("Looking for identifier: type=%s, name=%s, package=%s\n", + String8(type, typeLen).string(), + String8(name, nameLen).string(), + String8(package, packageLen).string())); + + const size_t NG = mPackageGroups.size(); + for (size_t ig=0; ig<NG; ig++) { + const PackageGroup* group = mPackageGroups[ig]; + + if (strzcmp16(package, packageLen, + group->name.string(), group->name.size())) { + TABLE_NOISY(printf("Skipping package group: %s\n", String8(group->name).string())); + continue; + } + + const ssize_t ti = group->basePackage->typeStrings.indexOfString(type, typeLen); + if (ti < 0) { + TABLE_NOISY(printf("Type not found in package %s\n", String8(group->name).string())); + continue; + } + + const ssize_t ei = group->basePackage->keyStrings.indexOfString(name, nameLen); + if (ei < 0) { + TABLE_NOISY(printf("Name not found in package %s\n", String8(group->name).string())); + continue; + } + + TABLE_NOISY(printf("Search indices: type=%d, name=%d\n", ti, ei)); + + const Type* const typeConfigs = group->packages[0]->getType(ti); + if (typeConfigs == NULL || typeConfigs->configs.size() <= 0) { + TABLE_NOISY(printf("Expected type structure not found in package %s for idnex %d\n", + String8(group->name).string(), ti)); + } + + size_t NTC = typeConfigs->configs.size(); + for (size_t tci=0; tci<NTC; tci++) { + const ResTable_type* const ty = typeConfigs->configs[tci]; + const uint32_t typeOffset = dtohl(ty->entriesStart); + + const uint8_t* const end = ((const uint8_t*)ty) + dtohl(ty->header.size); + const uint32_t* const eindex = (const uint32_t*) + (((const uint8_t*)ty) + dtohs(ty->header.headerSize)); + + const size_t NE = dtohl(ty->entryCount); + for (size_t i=0; i<NE; i++) { + uint32_t offset = dtohl(eindex[i]); + if (offset == ResTable_type::NO_ENTRY) { + continue; + } + + offset += typeOffset; + + if (offset > (dtohl(ty->header.size)-sizeof(ResTable_entry))) { + ALOGW("ResTable_entry at %d is beyond type chunk data %d", + offset, dtohl(ty->header.size)); + return 0; + } + if ((offset&0x3) != 0) { + ALOGW("ResTable_entry at %d (pkg=%d type=%d ent=%d) is not on an integer boundary when looking for %s:%s/%s", + (int)offset, (int)group->id, (int)ti+1, (int)i, + String8(package, packageLen).string(), + String8(type, typeLen).string(), + String8(name, nameLen).string()); + return 0; + } + + const ResTable_entry* const entry = (const ResTable_entry*) + (((const uint8_t*)ty) + offset); + if (dtohs(entry->size) < sizeof(*entry)) { + ALOGW("ResTable_entry size %d is too small", dtohs(entry->size)); + return BAD_TYPE; + } + + TABLE_SUPER_NOISY(printf("Looking at entry #%d: want str %d, have %d\n", + i, ei, dtohl(entry->key.index))); + if (dtohl(entry->key.index) == (size_t)ei) { + if (outTypeSpecFlags) { + *outTypeSpecFlags = typeConfigs->typeSpecFlags[i]; + if (fakePublic) { + *outTypeSpecFlags |= ResTable_typeSpec::SPEC_PUBLIC; + } + } + return Res_MAKEID(group->id-1, ti, i); + } + } + } + } + + return 0; +} + +bool ResTable::expandResourceRef(const uint16_t* refStr, size_t refLen, + String16* outPackage, + String16* outType, + String16* outName, + const String16* defType, + const String16* defPackage, + const char** outErrorMsg, + bool* outPublicOnly) +{ + const char16_t* packageEnd = NULL; + const char16_t* typeEnd = NULL; + const char16_t* p = refStr; + const char16_t* const end = p + refLen; + while (p < end) { + if (*p == ':') packageEnd = p; + else if (*p == '/') { + typeEnd = p; + break; + } + p++; + } + p = refStr; + if (*p == '@') p++; + + if (outPublicOnly != NULL) { + *outPublicOnly = true; + } + if (*p == '*') { + p++; + if (outPublicOnly != NULL) { + *outPublicOnly = false; + } + } + + if (packageEnd) { + *outPackage = String16(p, packageEnd-p); + p = packageEnd+1; + } else { + if (!defPackage) { + if (outErrorMsg) { + *outErrorMsg = "No resource package specified"; + } + return false; + } + *outPackage = *defPackage; + } + if (typeEnd) { + *outType = String16(p, typeEnd-p); + p = typeEnd+1; + } else { + if (!defType) { + if (outErrorMsg) { + *outErrorMsg = "No resource type specified"; + } + return false; + } + *outType = *defType; + } + *outName = String16(p, end-p); + if(**outPackage == 0) { + if(outErrorMsg) { + *outErrorMsg = "Resource package cannot be an empty string"; + } + return false; + } + if(**outType == 0) { + if(outErrorMsg) { + *outErrorMsg = "Resource type cannot be an empty string"; + } + return false; + } + if(**outName == 0) { + if(outErrorMsg) { + *outErrorMsg = "Resource id cannot be an empty string"; + } + return false; + } + return true; +} + +static uint32_t get_hex(char c, bool* outError) +{ + if (c >= '0' && c <= '9') { + return c - '0'; + } else if (c >= 'a' && c <= 'f') { + return c - 'a' + 0xa; + } else if (c >= 'A' && c <= 'F') { + return c - 'A' + 0xa; + } + *outError = true; + return 0; +} + +struct unit_entry +{ + const char* name; + size_t len; + uint8_t type; + uint32_t unit; + float scale; +}; + +static const unit_entry unitNames[] = { + { "px", strlen("px"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PX, 1.0f }, + { "dip", strlen("dip"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, + { "dp", strlen("dp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f }, + { "sp", strlen("sp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_SP, 1.0f }, + { "pt", strlen("pt"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PT, 1.0f }, + { "in", strlen("in"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_IN, 1.0f }, + { "mm", strlen("mm"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_MM, 1.0f }, + { "%", strlen("%"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION, 1.0f/100 }, + { "%p", strlen("%p"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION_PARENT, 1.0f/100 }, + { NULL, 0, 0, 0, 0 } +}; + +static bool parse_unit(const char* str, Res_value* outValue, + float* outScale, const char** outEnd) +{ + const char* end = str; + while (*end != 0 && !isspace((unsigned char)*end)) { + end++; + } + const size_t len = end-str; + + const char* realEnd = end; + while (*realEnd != 0 && isspace((unsigned char)*realEnd)) { + realEnd++; + } + if (*realEnd != 0) { + return false; + } + + const unit_entry* cur = unitNames; + while (cur->name) { + if (len == cur->len && strncmp(cur->name, str, len) == 0) { + outValue->dataType = cur->type; + outValue->data = cur->unit << Res_value::COMPLEX_UNIT_SHIFT; + *outScale = cur->scale; + *outEnd = end; + //printf("Found unit %s for %s\n", cur->name, str); + return true; + } + cur++; + } + + return false; +} + + +bool ResTable::stringToInt(const char16_t* s, size_t len, Res_value* outValue) +{ + while (len > 0 && isspace16(*s)) { + s++; + len--; + } + + if (len <= 0) { + return false; + } + + size_t i = 0; + int32_t val = 0; + bool neg = false; + + if (*s == '-') { + neg = true; + i++; + } + + if (s[i] < '0' || s[i] > '9') { + return false; + } + + // Decimal or hex? + if (s[i] == '0' && s[i+1] == 'x') { + if (outValue) + outValue->dataType = outValue->TYPE_INT_HEX; + i += 2; + bool error = false; + while (i < len && !error) { + val = (val*16) + get_hex(s[i], &error); + i++; + } + if (error) { + return false; + } + } else { + if (outValue) + outValue->dataType = outValue->TYPE_INT_DEC; + while (i < len) { + if (s[i] < '0' || s[i] > '9') { + return false; + } + val = (val*10) + s[i]-'0'; + i++; + } + } + + if (neg) val = -val; + + while (i < len && isspace16(s[i])) { + i++; + } + + if (i == len) { + if (outValue) + outValue->data = val; + return true; + } + + return false; +} + +bool ResTable::stringToFloat(const char16_t* s, size_t len, Res_value* outValue) +{ + while (len > 0 && isspace16(*s)) { + s++; + len--; + } + + if (len <= 0) { + return false; + } + + char buf[128]; + int i=0; + while (len > 0 && *s != 0 && i < 126) { + if (*s > 255) { + return false; + } + buf[i++] = *s++; + len--; + } + + if (len > 0) { + return false; + } + if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') { + return false; + } + + buf[i] = 0; + const char* end; + float f = strtof(buf, (char**)&end); + + if (*end != 0 && !isspace((unsigned char)*end)) { + // Might be a unit... + float scale; + if (parse_unit(end, outValue, &scale, &end)) { + f *= scale; + const bool neg = f < 0; + if (neg) f = -f; + uint64_t bits = (uint64_t)(f*(1<<23)+.5f); + uint32_t radix; + uint32_t shift; + if ((bits&0x7fffff) == 0) { + // Always use 23p0 if there is no fraction, just to make + // things easier to read. + radix = Res_value::COMPLEX_RADIX_23p0; + shift = 23; + } else if ((bits&0xffffffffff800000LL) == 0) { + // Magnitude is zero -- can fit in 0 bits of precision. + radix = Res_value::COMPLEX_RADIX_0p23; + shift = 0; + } else if ((bits&0xffffffff80000000LL) == 0) { + // Magnitude can fit in 8 bits of precision. + radix = Res_value::COMPLEX_RADIX_8p15; + shift = 8; + } else if ((bits&0xffffff8000000000LL) == 0) { + // Magnitude can fit in 16 bits of precision. + radix = Res_value::COMPLEX_RADIX_16p7; + shift = 16; + } else { + // Magnitude needs entire range, so no fractional part. + radix = Res_value::COMPLEX_RADIX_23p0; + shift = 23; + } + int32_t mantissa = (int32_t)( + (bits>>shift) & Res_value::COMPLEX_MANTISSA_MASK); + if (neg) { + mantissa = (-mantissa) & Res_value::COMPLEX_MANTISSA_MASK; + } + outValue->data |= + (radix<<Res_value::COMPLEX_RADIX_SHIFT) + | (mantissa<<Res_value::COMPLEX_MANTISSA_SHIFT); + //printf("Input value: %f 0x%016Lx, mult: %f, radix: %d, shift: %d, final: 0x%08x\n", + // f * (neg ? -1 : 1), bits, f*(1<<23), + // radix, shift, outValue->data); + return true; + } + return false; + } + + while (*end != 0 && isspace((unsigned char)*end)) { + end++; + } + + if (*end == 0) { + if (outValue) { + outValue->dataType = outValue->TYPE_FLOAT; + *(float*)(&outValue->data) = f; + return true; + } + } + + return false; +} + +bool ResTable::stringToValue(Res_value* outValue, String16* outString, + const char16_t* s, size_t len, + bool preserveSpaces, bool coerceType, + uint32_t attrID, + const String16* defType, + const String16* defPackage, + Accessor* accessor, + void* accessorCookie, + uint32_t attrType, + bool enforcePrivate) const +{ + bool localizationSetting = accessor != NULL && accessor->getLocalizationSetting(); + const char* errorMsg = NULL; + + outValue->size = sizeof(Res_value); + outValue->res0 = 0; + + // First strip leading/trailing whitespace. Do this before handling + // escapes, so they can be used to force whitespace into the string. + if (!preserveSpaces) { + while (len > 0 && isspace16(*s)) { + s++; + len--; + } + while (len > 0 && isspace16(s[len-1])) { + len--; + } + // If the string ends with '\', then we keep the space after it. + if (len > 0 && s[len-1] == '\\' && s[len] != 0) { + len++; + } + } + + //printf("Value for: %s\n", String8(s, len).string()); + + uint32_t l10nReq = ResTable_map::L10N_NOT_REQUIRED; + uint32_t attrMin = 0x80000000, attrMax = 0x7fffffff; + bool fromAccessor = false; + if (attrID != 0 && !Res_INTERNALID(attrID)) { + const ssize_t p = getResourcePackageIndex(attrID); + const bag_entry* bag; + ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; + //printf("For attr 0x%08x got bag of %d\n", attrID, cnt); + if (cnt >= 0) { + while (cnt > 0) { + //printf("Entry 0x%08x = 0x%08x\n", bag->map.name.ident, bag->map.value.data); + switch (bag->map.name.ident) { + case ResTable_map::ATTR_TYPE: + attrType = bag->map.value.data; + break; + case ResTable_map::ATTR_MIN: + attrMin = bag->map.value.data; + break; + case ResTable_map::ATTR_MAX: + attrMax = bag->map.value.data; + break; + case ResTable_map::ATTR_L10N: + l10nReq = bag->map.value.data; + break; + } + bag++; + cnt--; + } + unlockBag(bag); + } else if (accessor && accessor->getAttributeType(attrID, &attrType)) { + fromAccessor = true; + if (attrType == ResTable_map::TYPE_ENUM + || attrType == ResTable_map::TYPE_FLAGS + || attrType == ResTable_map::TYPE_INTEGER) { + accessor->getAttributeMin(attrID, &attrMin); + accessor->getAttributeMax(attrID, &attrMax); + } + if (localizationSetting) { + l10nReq = accessor->getAttributeL10N(attrID); + } + } + } + + const bool canStringCoerce = + coerceType && (attrType&ResTable_map::TYPE_STRING) != 0; + + if (*s == '@') { + outValue->dataType = outValue->TYPE_REFERENCE; + + // Note: we don't check attrType here because the reference can + // be to any other type; we just need to count on the client making + // sure the referenced type is correct. + + //printf("Looking up ref: %s\n", String8(s, len).string()); + + // It's a reference! + if (len == 5 && s[1]=='n' && s[2]=='u' && s[3]=='l' && s[4]=='l') { + outValue->data = 0; + return true; + } else { + bool createIfNotFound = false; + const char16_t* resourceRefName; + int resourceNameLen; + if (len > 2 && s[1] == '+') { + createIfNotFound = true; + resourceRefName = s + 2; + resourceNameLen = len - 2; + } else if (len > 2 && s[1] == '*') { + enforcePrivate = false; + resourceRefName = s + 2; + resourceNameLen = len - 2; + } else { + createIfNotFound = false; + resourceRefName = s + 1; + resourceNameLen = len - 1; + } + String16 package, type, name; + if (!expandResourceRef(resourceRefName,resourceNameLen, &package, &type, &name, + defType, defPackage, &errorMsg)) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, errorMsg); + } + return false; + } + + uint32_t specFlags = 0; + uint32_t rid = identifierForName(name.string(), name.size(), type.string(), + type.size(), package.string(), package.size(), &specFlags); + if (rid != 0) { + if (enforcePrivate) { + if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "Resource is not public."); + } + return false; + } + } + if (!accessor) { + outValue->data = rid; + return true; + } + rid = Res_MAKEID( + accessor->getRemappedPackage(Res_GETPACKAGE(rid)), + Res_GETTYPE(rid), Res_GETENTRY(rid)); + TABLE_NOISY(printf("Incl %s:%s/%s: 0x%08x\n", + String8(package).string(), String8(type).string(), + String8(name).string(), rid)); + outValue->data = rid; + return true; + } + + if (accessor) { + uint32_t rid = accessor->getCustomResourceWithCreation(package, type, name, + createIfNotFound); + if (rid != 0) { + TABLE_NOISY(printf("Pckg %s:%s/%s: 0x%08x\n", + String8(package).string(), String8(type).string(), + String8(name).string(), rid)); + outValue->data = rid; + return true; + } + } + } + + if (accessor != NULL) { + accessor->reportError(accessorCookie, "No resource found that matches the given name"); + } + return false; + } + + // if we got to here, and localization is required and it's not a reference, + // complain and bail. + if (l10nReq == ResTable_map::L10N_SUGGESTED) { + if (localizationSetting) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "This attribute must be localized."); + } + } + } + + if (*s == '#') { + // It's a color! Convert to an integer of the form 0xaarrggbb. + uint32_t color = 0; + bool error = false; + if (len == 4) { + outValue->dataType = outValue->TYPE_INT_COLOR_RGB4; + color |= 0xFF000000; + color |= get_hex(s[1], &error) << 20; + color |= get_hex(s[1], &error) << 16; + color |= get_hex(s[2], &error) << 12; + color |= get_hex(s[2], &error) << 8; + color |= get_hex(s[3], &error) << 4; + color |= get_hex(s[3], &error); + } else if (len == 5) { + outValue->dataType = outValue->TYPE_INT_COLOR_ARGB4; + color |= get_hex(s[1], &error) << 28; + color |= get_hex(s[1], &error) << 24; + color |= get_hex(s[2], &error) << 20; + color |= get_hex(s[2], &error) << 16; + color |= get_hex(s[3], &error) << 12; + color |= get_hex(s[3], &error) << 8; + color |= get_hex(s[4], &error) << 4; + color |= get_hex(s[4], &error); + } else if (len == 7) { + outValue->dataType = outValue->TYPE_INT_COLOR_RGB8; + color |= 0xFF000000; + color |= get_hex(s[1], &error) << 20; + color |= get_hex(s[2], &error) << 16; + color |= get_hex(s[3], &error) << 12; + color |= get_hex(s[4], &error) << 8; + color |= get_hex(s[5], &error) << 4; + color |= get_hex(s[6], &error); + } else if (len == 9) { + outValue->dataType = outValue->TYPE_INT_COLOR_ARGB8; + color |= get_hex(s[1], &error) << 28; + color |= get_hex(s[2], &error) << 24; + color |= get_hex(s[3], &error) << 20; + color |= get_hex(s[4], &error) << 16; + color |= get_hex(s[5], &error) << 12; + color |= get_hex(s[6], &error) << 8; + color |= get_hex(s[7], &error) << 4; + color |= get_hex(s[8], &error); + } else { + error = true; + } + if (!error) { + if ((attrType&ResTable_map::TYPE_COLOR) == 0) { + if (!canStringCoerce) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, + "Color types not allowed"); + } + return false; + } + } else { + outValue->data = color; + //printf("Color input=%s, output=0x%x\n", String8(s, len).string(), color); + return true; + } + } else { + if ((attrType&ResTable_map::TYPE_COLOR) != 0) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "Color value not valid --" + " must be #rgb, #argb, #rrggbb, or #aarrggbb"); + } + #if 0 + fprintf(stderr, "%s: Color ID %s value %s is not valid\n", + "Resource File", //(const char*)in->getPrintableSource(), + String8(*curTag).string(), + String8(s, len).string()); + #endif + return false; + } + } + } + + if (*s == '?') { + outValue->dataType = outValue->TYPE_ATTRIBUTE; + + // Note: we don't check attrType here because the reference can + // be to any other type; we just need to count on the client making + // sure the referenced type is correct. + + //printf("Looking up attr: %s\n", String8(s, len).string()); + + static const String16 attr16("attr"); + String16 package, type, name; + if (!expandResourceRef(s+1, len-1, &package, &type, &name, + &attr16, defPackage, &errorMsg)) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, errorMsg); + } + return false; + } + + //printf("Pkg: %s, Type: %s, Name: %s\n", + // String8(package).string(), String8(type).string(), + // String8(name).string()); + uint32_t specFlags = 0; + uint32_t rid = + identifierForName(name.string(), name.size(), + type.string(), type.size(), + package.string(), package.size(), &specFlags); + if (rid != 0) { + if (enforcePrivate) { + if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "Attribute is not public."); + } + return false; + } + } + if (!accessor) { + outValue->data = rid; + return true; + } + rid = Res_MAKEID( + accessor->getRemappedPackage(Res_GETPACKAGE(rid)), + Res_GETTYPE(rid), Res_GETENTRY(rid)); + //printf("Incl %s:%s/%s: 0x%08x\n", + // String8(package).string(), String8(type).string(), + // String8(name).string(), rid); + outValue->data = rid; + return true; + } + + if (accessor) { + uint32_t rid = accessor->getCustomResource(package, type, name); + if (rid != 0) { + //printf("Mine %s:%s/%s: 0x%08x\n", + // String8(package).string(), String8(type).string(), + // String8(name).string(), rid); + outValue->data = rid; + return true; + } + } + + if (accessor != NULL) { + accessor->reportError(accessorCookie, "No resource found that matches the given name"); + } + return false; + } + + if (stringToInt(s, len, outValue)) { + if ((attrType&ResTable_map::TYPE_INTEGER) == 0) { + // If this type does not allow integers, but does allow floats, + // fall through on this error case because the float type should + // be able to accept any integer value. + if (!canStringCoerce && (attrType&ResTable_map::TYPE_FLOAT) == 0) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "Integer types not allowed"); + } + return false; + } + } else { + if (((int32_t)outValue->data) < ((int32_t)attrMin) + || ((int32_t)outValue->data) > ((int32_t)attrMax)) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "Integer value out of range"); + } + return false; + } + return true; + } + } + + if (stringToFloat(s, len, outValue)) { + if (outValue->dataType == Res_value::TYPE_DIMENSION) { + if ((attrType&ResTable_map::TYPE_DIMENSION) != 0) { + return true; + } + if (!canStringCoerce) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "Dimension types not allowed"); + } + return false; + } + } else if (outValue->dataType == Res_value::TYPE_FRACTION) { + if ((attrType&ResTable_map::TYPE_FRACTION) != 0) { + return true; + } + if (!canStringCoerce) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "Fraction types not allowed"); + } + return false; + } + } else if ((attrType&ResTable_map::TYPE_FLOAT) == 0) { + if (!canStringCoerce) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "Float types not allowed"); + } + return false; + } + } else { + return true; + } + } + + if (len == 4) { + if ((s[0] == 't' || s[0] == 'T') && + (s[1] == 'r' || s[1] == 'R') && + (s[2] == 'u' || s[2] == 'U') && + (s[3] == 'e' || s[3] == 'E')) { + if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { + if (!canStringCoerce) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "Boolean types not allowed"); + } + return false; + } + } else { + outValue->dataType = outValue->TYPE_INT_BOOLEAN; + outValue->data = (uint32_t)-1; + return true; + } + } + } + + if (len == 5) { + if ((s[0] == 'f' || s[0] == 'F') && + (s[1] == 'a' || s[1] == 'A') && + (s[2] == 'l' || s[2] == 'L') && + (s[3] == 's' || s[3] == 'S') && + (s[4] == 'e' || s[4] == 'E')) { + if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) { + if (!canStringCoerce) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "Boolean types not allowed"); + } + return false; + } + } else { + outValue->dataType = outValue->TYPE_INT_BOOLEAN; + outValue->data = 0; + return true; + } + } + } + + if ((attrType&ResTable_map::TYPE_ENUM) != 0) { + const ssize_t p = getResourcePackageIndex(attrID); + const bag_entry* bag; + ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; + //printf("Got %d for enum\n", cnt); + if (cnt >= 0) { + resource_name rname; + while (cnt > 0) { + if (!Res_INTERNALID(bag->map.name.ident)) { + //printf("Trying attr #%08x\n", bag->map.name.ident); + if (getResourceName(bag->map.name.ident, &rname)) { + #if 0 + printf("Matching %s against %s (0x%08x)\n", + String8(s, len).string(), + String8(rname.name, rname.nameLen).string(), + bag->map.name.ident); + #endif + if (strzcmp16(s, len, rname.name, rname.nameLen) == 0) { + outValue->dataType = bag->map.value.dataType; + outValue->data = bag->map.value.data; + unlockBag(bag); + return true; + } + } + + } + bag++; + cnt--; + } + unlockBag(bag); + } + + if (fromAccessor) { + if (accessor->getAttributeEnum(attrID, s, len, outValue)) { + return true; + } + } + } + + if ((attrType&ResTable_map::TYPE_FLAGS) != 0) { + const ssize_t p = getResourcePackageIndex(attrID); + const bag_entry* bag; + ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1; + //printf("Got %d for flags\n", cnt); + if (cnt >= 0) { + bool failed = false; + resource_name rname; + outValue->dataType = Res_value::TYPE_INT_HEX; + outValue->data = 0; + const char16_t* end = s + len; + const char16_t* pos = s; + while (pos < end && !failed) { + const char16_t* start = pos; + pos++; + while (pos < end && *pos != '|') { + pos++; + } + //printf("Looking for: %s\n", String8(start, pos-start).string()); + const bag_entry* bagi = bag; + ssize_t i; + for (i=0; i<cnt; i++, bagi++) { + if (!Res_INTERNALID(bagi->map.name.ident)) { + //printf("Trying attr #%08x\n", bagi->map.name.ident); + if (getResourceName(bagi->map.name.ident, &rname)) { + #if 0 + printf("Matching %s against %s (0x%08x)\n", + String8(start,pos-start).string(), + String8(rname.name, rname.nameLen).string(), + bagi->map.name.ident); + #endif + if (strzcmp16(start, pos-start, rname.name, rname.nameLen) == 0) { + outValue->data |= bagi->map.value.data; + break; + } + } + } + } + if (i >= cnt) { + // Didn't find this flag identifier. + failed = true; + } + if (pos < end) { + pos++; + } + } + unlockBag(bag); + if (!failed) { + //printf("Final flag value: 0x%lx\n", outValue->data); + return true; + } + } + + + if (fromAccessor) { + if (accessor->getAttributeFlags(attrID, s, len, outValue)) { + //printf("Final flag value: 0x%lx\n", outValue->data); + return true; + } + } + } + + if ((attrType&ResTable_map::TYPE_STRING) == 0) { + if (accessor != NULL) { + accessor->reportError(accessorCookie, "String types not allowed"); + } + return false; + } + + // Generic string handling... + outValue->dataType = outValue->TYPE_STRING; + if (outString) { + bool failed = collectString(outString, s, len, preserveSpaces, &errorMsg); + if (accessor != NULL) { + accessor->reportError(accessorCookie, errorMsg); + } + return failed; + } + + return true; +} + +bool ResTable::collectString(String16* outString, + const char16_t* s, size_t len, + bool preserveSpaces, + const char** outErrorMsg, + bool append) +{ + String16 tmp; + + char quoted = 0; + const char16_t* p = s; + while (p < (s+len)) { + while (p < (s+len)) { + const char16_t c = *p; + if (c == '\\') { + break; + } + if (!preserveSpaces) { + if (quoted == 0 && isspace16(c) + && (c != ' ' || isspace16(*(p+1)))) { + break; + } + if (c == '"' && (quoted == 0 || quoted == '"')) { + break; + } + if (c == '\'' && (quoted == 0 || quoted == '\'')) { + /* + * In practice, when people write ' instead of \' + * in a string, they are doing it by accident + * instead of really meaning to use ' as a quoting + * character. Warn them so they don't lose it. + */ + if (outErrorMsg) { + *outErrorMsg = "Apostrophe not preceded by \\"; + } + return false; + } + } + p++; + } + if (p < (s+len)) { + if (p > s) { + tmp.append(String16(s, p-s)); + } + if (!preserveSpaces && (*p == '"' || *p == '\'')) { + if (quoted == 0) { + quoted = *p; + } else { + quoted = 0; + } + p++; + } else if (!preserveSpaces && isspace16(*p)) { + // Space outside of a quote -- consume all spaces and + // leave a single plain space char. + tmp.append(String16(" ")); + p++; + while (p < (s+len) && isspace16(*p)) { + p++; + } + } else if (*p == '\\') { + p++; + if (p < (s+len)) { + switch (*p) { + case 't': + tmp.append(String16("\t")); + break; + case 'n': + tmp.append(String16("\n")); + break; + case '#': + tmp.append(String16("#")); + break; + case '@': + tmp.append(String16("@")); + break; + case '?': + tmp.append(String16("?")); + break; + case '"': + tmp.append(String16("\"")); + break; + case '\'': + tmp.append(String16("'")); + break; + case '\\': + tmp.append(String16("\\")); + break; + case 'u': + { + char16_t chr = 0; + int i = 0; + while (i < 4 && p[1] != 0) { + p++; + i++; + int c; + if (*p >= '0' && *p <= '9') { + c = *p - '0'; + } else if (*p >= 'a' && *p <= 'f') { + c = *p - 'a' + 10; + } else if (*p >= 'A' && *p <= 'F') { + c = *p - 'A' + 10; + } else { + if (outErrorMsg) { + *outErrorMsg = "Bad character in \\u unicode escape sequence"; + } + return false; + } + chr = (chr<<4) | c; + } + tmp.append(String16(&chr, 1)); + } break; + default: + // ignore unknown escape chars. + break; + } + p++; + } + } + len -= (p-s); + s = p; + } + } + + if (tmp.size() != 0) { + if (len > 0) { + tmp.append(String16(s, len)); + } + if (append) { + outString->append(tmp); + } else { + outString->setTo(tmp); + } + } else { + if (append) { + outString->append(String16(s, len)); + } else { + outString->setTo(s, len); + } + } + + return true; +} + +size_t ResTable::getBasePackageCount() const +{ + if (mError != NO_ERROR) { + return 0; + } + return mPackageGroups.size(); +} + +const char16_t* ResTable::getBasePackageName(size_t idx) const +{ + if (mError != NO_ERROR) { + return 0; + } + LOG_FATAL_IF(idx >= mPackageGroups.size(), + "Requested package index %d past package count %d", + (int)idx, (int)mPackageGroups.size()); + return mPackageGroups[idx]->name.string(); +} + +uint32_t ResTable::getBasePackageId(size_t idx) const +{ + if (mError != NO_ERROR) { + return 0; + } + LOG_FATAL_IF(idx >= mPackageGroups.size(), + "Requested package index %d past package count %d", + (int)idx, (int)mPackageGroups.size()); + return mPackageGroups[idx]->id; +} + +size_t ResTable::getTableCount() const +{ + return mHeaders.size(); +} + +const ResStringPool* ResTable::getTableStringBlock(size_t index) const +{ + return &mHeaders[index]->values; +} + +void* ResTable::getTableCookie(size_t index) const +{ + return mHeaders[index]->cookie; +} + +void ResTable::getConfigurations(Vector<ResTable_config>* configs) const +{ + const size_t I = mPackageGroups.size(); + for (size_t i=0; i<I; i++) { + const PackageGroup* packageGroup = mPackageGroups[i]; + const size_t J = packageGroup->packages.size(); + for (size_t j=0; j<J; j++) { + const Package* package = packageGroup->packages[j]; + const size_t K = package->types.size(); + for (size_t k=0; k<K; k++) { + const Type* type = package->types[k]; + if (type == NULL) continue; + const size_t L = type->configs.size(); + for (size_t l=0; l<L; l++) { + const ResTable_type* config = type->configs[l]; + const ResTable_config* cfg = &config->config; + // only insert unique + const size_t M = configs->size(); + size_t m; + for (m=0; m<M; m++) { + if (0 == (*configs)[m].compare(*cfg)) { + break; + } + } + // if we didn't find it + if (m == M) { + configs->add(*cfg); + } + } + } + } + } +} + +void ResTable::getLocales(Vector<String8>* locales) const +{ + Vector<ResTable_config> configs; + ALOGV("calling getConfigurations"); + getConfigurations(&configs); + ALOGV("called getConfigurations size=%d", (int)configs.size()); + const size_t I = configs.size(); + for (size_t i=0; i<I; i++) { + char locale[6]; + configs[i].getLocale(locale); + const size_t J = locales->size(); + size_t j; + for (j=0; j<J; j++) { + if (0 == strcmp(locale, (*locales)[j].string())) { + break; + } + } + if (j == J) { + locales->add(String8(locale)); + } + } +} + +ssize_t ResTable::getEntry( + const Package* package, int typeIndex, int entryIndex, + const ResTable_config* config, + const ResTable_type** outType, const ResTable_entry** outEntry, + const Type** outTypeClass) const +{ + ALOGV("Getting entry from package %p\n", package); + const ResTable_package* const pkg = package->package; + + const Type* allTypes = package->getType(typeIndex); + ALOGV("allTypes=%p\n", allTypes); + if (allTypes == NULL) { + ALOGV("Skipping entry type index 0x%02x because type is NULL!\n", typeIndex); + return 0; + } + + if ((size_t)entryIndex >= allTypes->entryCount) { + ALOGW("getEntry failing because entryIndex %d is beyond type entryCount %d", + entryIndex, (int)allTypes->entryCount); + return BAD_TYPE; + } + + const ResTable_type* type = NULL; + uint32_t offset = ResTable_type::NO_ENTRY; + ResTable_config bestConfig; + memset(&bestConfig, 0, sizeof(bestConfig)); // make the compiler shut up + + const size_t NT = allTypes->configs.size(); + for (size_t i=0; i<NT; i++) { + const ResTable_type* const thisType = allTypes->configs[i]; + if (thisType == NULL) continue; + + ResTable_config thisConfig; + thisConfig.copyFromDtoH(thisType->config); + + TABLE_GETENTRY(LOGI("Match entry 0x%x in type 0x%x (sz 0x%x): %s\n", + entryIndex, typeIndex+1, dtohl(thisType->config.size), + thisConfig.toString().string())); + + // Check to make sure this one is valid for the current parameters. + if (config && !thisConfig.match(*config)) { + TABLE_GETENTRY(LOGI("Does not match config!\n")); + continue; + } + + // Check if there is the desired entry in this type. + + const uint8_t* const end = ((const uint8_t*)thisType) + + dtohl(thisType->header.size); + const uint32_t* const eindex = (const uint32_t*) + (((const uint8_t*)thisType) + dtohs(thisType->header.headerSize)); + + uint32_t thisOffset = dtohl(eindex[entryIndex]); + if (thisOffset == ResTable_type::NO_ENTRY) { + TABLE_GETENTRY(LOGI("Skipping because it is not defined!\n")); + continue; + } + + if (type != NULL) { + // Check if this one is less specific than the last found. If so, + // we will skip it. We check starting with things we most care + // about to those we least care about. + if (!thisConfig.isBetterThan(bestConfig, config)) { + TABLE_GETENTRY(LOGI("This config is worse than last!\n")); + continue; + } + } + + type = thisType; + offset = thisOffset; + bestConfig = thisConfig; + TABLE_GETENTRY(LOGI("Best entry so far -- using it!\n")); + if (!config) break; + } + + if (type == NULL) { + TABLE_GETENTRY(LOGI("No value found for requested entry!\n")); + return BAD_INDEX; + } + + offset += dtohl(type->entriesStart); + TABLE_NOISY(aout << "Looking in resource table " << package->header->header + << ", typeOff=" + << (void*)(((const char*)type)-((const char*)package->header->header)) + << ", offset=" << (void*)offset << endl); + + if (offset > (dtohl(type->header.size)-sizeof(ResTable_entry))) { + ALOGW("ResTable_entry at 0x%x is beyond type chunk data 0x%x", + offset, dtohl(type->header.size)); + return BAD_TYPE; + } + if ((offset&0x3) != 0) { + ALOGW("ResTable_entry at 0x%x is not on an integer boundary", + offset); + return BAD_TYPE; + } + + const ResTable_entry* const entry = (const ResTable_entry*) + (((const uint8_t*)type) + offset); + if (dtohs(entry->size) < sizeof(*entry)) { + ALOGW("ResTable_entry size 0x%x is too small", dtohs(entry->size)); + return BAD_TYPE; + } + + *outType = type; + *outEntry = entry; + if (outTypeClass != NULL) { + *outTypeClass = allTypes; + } + return offset + dtohs(entry->size); +} + +status_t ResTable::parsePackage(const ResTable_package* const pkg, + const Header* const header, uint32_t idmap_id) +{ + const uint8_t* base = (const uint8_t*)pkg; + status_t err = validate_chunk(&pkg->header, sizeof(*pkg), + header->dataEnd, "ResTable_package"); + if (err != NO_ERROR) { + return (mError=err); + } + + const size_t pkgSize = dtohl(pkg->header.size); + + if (dtohl(pkg->typeStrings) >= pkgSize) { + ALOGW("ResTable_package type strings at %p are past chunk size %p.", + (void*)dtohl(pkg->typeStrings), (void*)pkgSize); + return (mError=BAD_TYPE); + } + if ((dtohl(pkg->typeStrings)&0x3) != 0) { + ALOGW("ResTable_package type strings at %p is not on an integer boundary.", + (void*)dtohl(pkg->typeStrings)); + return (mError=BAD_TYPE); + } + if (dtohl(pkg->keyStrings) >= pkgSize) { + ALOGW("ResTable_package key strings at %p are past chunk size %p.", + (void*)dtohl(pkg->keyStrings), (void*)pkgSize); + return (mError=BAD_TYPE); + } + if ((dtohl(pkg->keyStrings)&0x3) != 0) { + ALOGW("ResTable_package key strings at %p is not on an integer boundary.", + (void*)dtohl(pkg->keyStrings)); + return (mError=BAD_TYPE); + } + + Package* package = NULL; + PackageGroup* group = NULL; + uint32_t id = idmap_id != 0 ? idmap_id : dtohl(pkg->id); + // If at this point id == 0, pkg is an overlay package without a + // corresponding idmap. During regular usage, overlay packages are + // always loaded alongside their idmaps, but during idmap creation + // the package is temporarily loaded by itself. + if (id < 256) { + + package = new Package(this, header, pkg); + if (package == NULL) { + return (mError=NO_MEMORY); + } + + size_t idx = mPackageMap[id]; + if (idx == 0) { + idx = mPackageGroups.size()+1; + + char16_t tmpName[sizeof(pkg->name)/sizeof(char16_t)]; + strcpy16_dtoh(tmpName, pkg->name, sizeof(pkg->name)/sizeof(char16_t)); + group = new PackageGroup(this, String16(tmpName), id); + if (group == NULL) { + delete package; + return (mError=NO_MEMORY); + } + + err = package->typeStrings.setTo(base+dtohl(pkg->typeStrings), + header->dataEnd-(base+dtohl(pkg->typeStrings))); + if (err != NO_ERROR) { + delete group; + delete package; + return (mError=err); + } + err = package->keyStrings.setTo(base+dtohl(pkg->keyStrings), + header->dataEnd-(base+dtohl(pkg->keyStrings))); + if (err != NO_ERROR) { + delete group; + delete package; + return (mError=err); + } + + //printf("Adding new package id %d at index %d\n", id, idx); + err = mPackageGroups.add(group); + if (err < NO_ERROR) { + return (mError=err); + } + group->basePackage = package; + + mPackageMap[id] = (uint8_t)idx; + } else { + group = mPackageGroups.itemAt(idx-1); + if (group == NULL) { + return (mError=UNKNOWN_ERROR); + } + } + err = group->packages.add(package); + if (err < NO_ERROR) { + return (mError=err); + } + } else { + LOG_ALWAYS_FATAL("Package id out of range"); + return NO_ERROR; + } + + + // Iterate through all chunks. + size_t curPackage = 0; + + const ResChunk_header* chunk = + (const ResChunk_header*)(((const uint8_t*)pkg) + + dtohs(pkg->header.headerSize)); + const uint8_t* endPos = ((const uint8_t*)pkg) + dtohs(pkg->header.size); + while (((const uint8_t*)chunk) <= (endPos-sizeof(ResChunk_header)) && + ((const uint8_t*)chunk) <= (endPos-dtohl(chunk->size))) { + TABLE_NOISY(LOGV("PackageChunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n", + dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size), + (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)))); + const size_t csize = dtohl(chunk->size); + const uint16_t ctype = dtohs(chunk->type); + if (ctype == RES_TABLE_TYPE_SPEC_TYPE) { + const ResTable_typeSpec* typeSpec = (const ResTable_typeSpec*)(chunk); + err = validate_chunk(&typeSpec->header, sizeof(*typeSpec), + endPos, "ResTable_typeSpec"); + if (err != NO_ERROR) { + return (mError=err); + } + + const size_t typeSpecSize = dtohl(typeSpec->header.size); + + LOAD_TABLE_NOISY(printf("TypeSpec off %p: type=0x%x, headerSize=0x%x, size=%p\n", + (void*)(base-(const uint8_t*)chunk), + dtohs(typeSpec->header.type), + dtohs(typeSpec->header.headerSize), + (void*)typeSize)); + // look for block overrun or int overflow when multiplying by 4 + if ((dtohl(typeSpec->entryCount) > (INT32_MAX/sizeof(uint32_t)) + || dtohs(typeSpec->header.headerSize)+(sizeof(uint32_t)*dtohl(typeSpec->entryCount)) + > typeSpecSize)) { + ALOGW("ResTable_typeSpec entry index to %p extends beyond chunk end %p.", + (void*)(dtohs(typeSpec->header.headerSize) + +(sizeof(uint32_t)*dtohl(typeSpec->entryCount))), + (void*)typeSpecSize); + return (mError=BAD_TYPE); + } + + if (typeSpec->id == 0) { + ALOGW("ResTable_type has an id of 0."); + return (mError=BAD_TYPE); + } + + while (package->types.size() < typeSpec->id) { + package->types.add(NULL); + } + Type* t = package->types[typeSpec->id-1]; + if (t == NULL) { + t = new Type(header, package, dtohl(typeSpec->entryCount)); + package->types.editItemAt(typeSpec->id-1) = t; + } else if (dtohl(typeSpec->entryCount) != t->entryCount) { + ALOGW("ResTable_typeSpec entry count inconsistent: given %d, previously %d", + (int)dtohl(typeSpec->entryCount), (int)t->entryCount); + return (mError=BAD_TYPE); + } + t->typeSpecFlags = (const uint32_t*)( + ((const uint8_t*)typeSpec) + dtohs(typeSpec->header.headerSize)); + t->typeSpec = typeSpec; + + } else if (ctype == RES_TABLE_TYPE_TYPE) { + const ResTable_type* type = (const ResTable_type*)(chunk); + err = validate_chunk(&type->header, sizeof(*type)-sizeof(ResTable_config)+4, + endPos, "ResTable_type"); + if (err != NO_ERROR) { + return (mError=err); + } + + const size_t typeSize = dtohl(type->header.size); + + LOAD_TABLE_NOISY(printf("Type off %p: type=0x%x, headerSize=0x%x, size=%p\n", + (void*)(base-(const uint8_t*)chunk), + dtohs(type->header.type), + dtohs(type->header.headerSize), + (void*)typeSize)); + if (dtohs(type->header.headerSize)+(sizeof(uint32_t)*dtohl(type->entryCount)) + > typeSize) { + ALOGW("ResTable_type entry index to %p extends beyond chunk end %p.", + (void*)(dtohs(type->header.headerSize) + +(sizeof(uint32_t)*dtohl(type->entryCount))), + (void*)typeSize); + return (mError=BAD_TYPE); + } + if (dtohl(type->entryCount) != 0 + && dtohl(type->entriesStart) > (typeSize-sizeof(ResTable_entry))) { + ALOGW("ResTable_type entriesStart at %p extends beyond chunk end %p.", + (void*)dtohl(type->entriesStart), (void*)typeSize); + return (mError=BAD_TYPE); + } + if (type->id == 0) { + ALOGW("ResTable_type has an id of 0."); + return (mError=BAD_TYPE); + } + + while (package->types.size() < type->id) { + package->types.add(NULL); + } + Type* t = package->types[type->id-1]; + if (t == NULL) { + t = new Type(header, package, dtohl(type->entryCount)); + package->types.editItemAt(type->id-1) = t; + } else if (dtohl(type->entryCount) != t->entryCount) { + ALOGW("ResTable_type entry count inconsistent: given %d, previously %d", + (int)dtohl(type->entryCount), (int)t->entryCount); + return (mError=BAD_TYPE); + } + + TABLE_GETENTRY( + ResTable_config thisConfig; + thisConfig.copyFromDtoH(type->config); + ALOGI("Adding config to type %d: %s\n", + type->id, thisConfig.toString().string())); + t->configs.add(type); + } else { + status_t err = validate_chunk(chunk, sizeof(ResChunk_header), + endPos, "ResTable_package:unknown"); + if (err != NO_ERROR) { + return (mError=err); + } + } + chunk = (const ResChunk_header*) + (((const uint8_t*)chunk) + csize); + } + + if (group->typeCount == 0) { + group->typeCount = package->types.size(); + } + + return NO_ERROR; +} + +status_t ResTable::createIdmap(const ResTable& overlay, uint32_t originalCrc, uint32_t overlayCrc, + void** outData, size_t* outSize) const +{ + // see README for details on the format of map + if (mPackageGroups.size() == 0) { + return UNKNOWN_ERROR; + } + if (mPackageGroups[0]->packages.size() == 0) { + return UNKNOWN_ERROR; + } + + Vector<Vector<uint32_t> > map; + const PackageGroup* pg = mPackageGroups[0]; + const Package* pkg = pg->packages[0]; + size_t typeCount = pkg->types.size(); + // starting size is header + first item (number of types in map) + *outSize = (IDMAP_HEADER_SIZE + 1) * sizeof(uint32_t); + const String16 overlayPackage(overlay.mPackageGroups[0]->packages[0]->package->name); + const uint32_t pkg_id = pkg->package->id << 24; + + for (size_t typeIndex = 0; typeIndex < typeCount; ++typeIndex) { + ssize_t offset = -1; + const Type* typeConfigs = pkg->getType(typeIndex); + ssize_t mapIndex = map.add(); + if (mapIndex < 0) { + return NO_MEMORY; + } + Vector<uint32_t>& vector = map.editItemAt(mapIndex); + for (size_t entryIndex = 0; entryIndex < typeConfigs->entryCount; ++entryIndex) { + uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) + | (0x00ff0000 & ((typeIndex+1)<<16)) + | (0x0000ffff & (entryIndex)); + resource_name resName; + if (!this->getResourceName(resID, &resName)) { + ALOGW("idmap: resource 0x%08x has spec but lacks values, skipping\n", resID); + 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) { + // overlay package has package ID == 0, use original package's ID instead + overlayResID |= pkg_id; + } + vector.push(overlayResID); + if (overlayResID != 0 && offset == -1) { + offset = Res_GETENTRY(resID); + } +#if 0 + if (overlayResID != 0) { + ALOGD("%s/%s 0x%08x -> 0x%08x\n", + String8(String16(resName.type)).string(), + String8(String16(resName.name)).string(), + resID, overlayResID); + } +#endif + } + + if (offset != -1) { + // shave off leading and trailing entries which lack overlay values + vector.removeItemsAt(0, offset); + vector.insertAt((uint32_t)offset, 0, 1); + while (vector.top() == 0) { + vector.pop(); + } + // reserve space for number and offset of entries, and the actual entries + *outSize += (2 + vector.size()) * sizeof(uint32_t); + } else { + // no entries of current type defined in overlay package + vector.clear(); + // reserve space for type offset + *outSize += 1 * sizeof(uint32_t); + } + } + + if ((*outData = malloc(*outSize)) == NULL) { + return NO_MEMORY; + } + uint32_t* data = (uint32_t*)*outData; + *data++ = htodl(IDMAP_MAGIC); + *data++ = htodl(originalCrc); + *data++ = htodl(overlayCrc); + const size_t mapSize = map.size(); + *data++ = htodl(mapSize); + size_t offset = mapSize; + for (size_t i = 0; i < mapSize; ++i) { + const Vector<uint32_t>& vector = map.itemAt(i); + const size_t N = vector.size(); + if (N == 0) { + *data++ = htodl(0); + } else { + offset++; + *data++ = htodl(offset); + offset += N; + } + } + for (size_t i = 0; i < mapSize; ++i) { + const Vector<uint32_t>& vector = map.itemAt(i); + const size_t N = vector.size(); + if (N == 0) { + continue; + } + *data++ = htodl(N - 1); // do not count the offset (which is vector's first element) + for (size_t j = 0; j < N; ++j) { + const uint32_t& overlayResID = vector.itemAt(j); + *data++ = htodl(overlayResID); + } + } + + return NO_ERROR; +} + +bool ResTable::getIdmapInfo(const void* idmap, size_t sizeBytes, + uint32_t* pOriginalCrc, uint32_t* pOverlayCrc) +{ + const uint32_t* map = (const uint32_t*)idmap; + if (!assertIdmapHeader(map, sizeBytes)) { + return false; + } + *pOriginalCrc = map[1]; + *pOverlayCrc = map[2]; + return true; +} + + +#ifndef HAVE_ANDROID_OS +#define CHAR16_TO_CSTR(c16, len) (String8(String16(c16,len)).string()) + +#define CHAR16_ARRAY_EQ(constant, var, len) \ + ((len == (sizeof(constant)/sizeof(constant[0]))) && (0 == memcmp((var), (constant), (len)))) + +void print_complex(uint32_t complex, bool isFraction) +{ + const float MANTISSA_MULT = + 1.0f / (1<<Res_value::COMPLEX_MANTISSA_SHIFT); + const float RADIX_MULTS[] = { + 1.0f*MANTISSA_MULT, 1.0f/(1<<7)*MANTISSA_MULT, + 1.0f/(1<<15)*MANTISSA_MULT, 1.0f/(1<<23)*MANTISSA_MULT + }; + + float value = (complex&(Res_value::COMPLEX_MANTISSA_MASK + <<Res_value::COMPLEX_MANTISSA_SHIFT)) + * RADIX_MULTS[(complex>>Res_value::COMPLEX_RADIX_SHIFT) + & Res_value::COMPLEX_RADIX_MASK]; + printf("%f", value); + + if (!isFraction) { + switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { + case Res_value::COMPLEX_UNIT_PX: printf("px"); break; + case Res_value::COMPLEX_UNIT_DIP: printf("dp"); break; + case Res_value::COMPLEX_UNIT_SP: printf("sp"); break; + case Res_value::COMPLEX_UNIT_PT: printf("pt"); break; + case Res_value::COMPLEX_UNIT_IN: printf("in"); break; + case Res_value::COMPLEX_UNIT_MM: printf("mm"); break; + default: printf(" (unknown unit)"); break; + } + } else { + switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) { + case Res_value::COMPLEX_UNIT_FRACTION: printf("%%"); break; + case Res_value::COMPLEX_UNIT_FRACTION_PARENT: printf("%%p"); break; + default: printf(" (unknown unit)"); break; + } + } +} + +// Normalize a string for output +String8 ResTable::normalizeForOutput( const char *input ) +{ + String8 ret; + char buff[2]; + buff[1] = '\0'; + + while (*input != '\0') { + switch (*input) { + // All interesting characters are in the ASCII zone, so we are making our own lives + // easier by scanning the string one byte at a time. + case '\\': + ret += "\\\\"; + break; + case '\n': + ret += "\\n"; + break; + case '"': + ret += "\\\""; + break; + default: + buff[0] = *input; + ret += buff; + break; + } + + input++; + } + + return ret; +} + +void ResTable::print_value(const Package* pkg, const Res_value& value) const +{ + if (value.dataType == Res_value::TYPE_NULL) { + printf("(null)\n"); + } else if (value.dataType == Res_value::TYPE_REFERENCE) { + printf("(reference) 0x%08x\n", value.data); + } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) { + printf("(attribute) 0x%08x\n", value.data); + } else if (value.dataType == Res_value::TYPE_STRING) { + size_t len; + const char* str8 = pkg->header->values.string8At( + value.data, &len); + if (str8 != NULL) { + printf("(string8) \"%s\"\n", normalizeForOutput(str8).string()); + } else { + const char16_t* str16 = pkg->header->values.stringAt( + value.data, &len); + if (str16 != NULL) { + printf("(string16) \"%s\"\n", + normalizeForOutput(String8(str16, len).string()).string()); + } else { + printf("(string) null\n"); + } + } + } else if (value.dataType == Res_value::TYPE_FLOAT) { + printf("(float) %g\n", *(const float*)&value.data); + } else if (value.dataType == Res_value::TYPE_DIMENSION) { + printf("(dimension) "); + print_complex(value.data, false); + printf("\n"); + } else if (value.dataType == Res_value::TYPE_FRACTION) { + printf("(fraction) "); + print_complex(value.data, true); + printf("\n"); + } else if (value.dataType >= Res_value::TYPE_FIRST_COLOR_INT + || value.dataType <= Res_value::TYPE_LAST_COLOR_INT) { + printf("(color) #%08x\n", value.data); + } else if (value.dataType == Res_value::TYPE_INT_BOOLEAN) { + printf("(boolean) %s\n", value.data ? "true" : "false"); + } else if (value.dataType >= Res_value::TYPE_FIRST_INT + || value.dataType <= Res_value::TYPE_LAST_INT) { + printf("(int) 0x%08x or %d\n", value.data, value.data); + } else { + printf("(unknown type) t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)\n", + (int)value.dataType, (int)value.data, + (int)value.size, (int)value.res0); + } +} + +void ResTable::print(bool inclValues) const +{ + if (mError != 0) { + printf("mError=0x%x (%s)\n", mError, strerror(mError)); + } +#if 0 + printf("mParams=%c%c-%c%c,\n", + mParams.language[0], mParams.language[1], + mParams.country[0], mParams.country[1]); +#endif + size_t pgCount = mPackageGroups.size(); + printf("Package Groups (%d)\n", (int)pgCount); + for (size_t pgIndex=0; pgIndex<pgCount; pgIndex++) { + const PackageGroup* pg = mPackageGroups[pgIndex]; + printf("Package Group %d id=%d packageCount=%d name=%s\n", + (int)pgIndex, pg->id, (int)pg->packages.size(), + String8(pg->name).string()); + + size_t pkgCount = pg->packages.size(); + for (size_t pkgIndex=0; pkgIndex<pkgCount; pkgIndex++) { + const Package* pkg = pg->packages[pkgIndex]; + size_t typeCount = pkg->types.size(); + printf(" Package %d id=%d name=%s typeCount=%d\n", (int)pkgIndex, + pkg->package->id, String8(String16(pkg->package->name)).string(), + (int)typeCount); + for (size_t typeIndex=0; typeIndex<typeCount; typeIndex++) { + const Type* typeConfigs = pkg->getType(typeIndex); + if (typeConfigs == NULL) { + printf(" type %d NULL\n", (int)typeIndex); + continue; + } + const size_t NTC = typeConfigs->configs.size(); + printf(" type %d configCount=%d entryCount=%d\n", + (int)typeIndex, (int)NTC, (int)typeConfigs->entryCount); + if (typeConfigs->typeSpecFlags != NULL) { + for (size_t entryIndex=0; entryIndex<typeConfigs->entryCount; entryIndex++) { + uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) + | (0x00ff0000 & ((typeIndex+1)<<16)) + | (0x0000ffff & (entryIndex)); + resource_name resName; + if (this->getResourceName(resID, &resName)) { + printf(" spec resource 0x%08x %s:%s/%s: flags=0x%08x\n", + resID, + CHAR16_TO_CSTR(resName.package, resName.packageLen), + CHAR16_TO_CSTR(resName.type, resName.typeLen), + CHAR16_TO_CSTR(resName.name, resName.nameLen), + dtohl(typeConfigs->typeSpecFlags[entryIndex])); + } else { + printf(" INVALID TYPE CONFIG FOR RESOURCE 0x%08x\n", resID); + } + } + } + for (size_t configIndex=0; configIndex<NTC; configIndex++) { + const ResTable_type* type = typeConfigs->configs[configIndex]; + if ((((uint64_t)type)&0x3) != 0) { + printf(" NON-INTEGER ResTable_type ADDRESS: %p\n", type); + continue; + } + String8 configStr = type->config.toString(); + printf(" config %s:\n", configStr.size() > 0 + ? configStr.string() : "(default)"); + size_t entryCount = dtohl(type->entryCount); + uint32_t entriesStart = dtohl(type->entriesStart); + if ((entriesStart&0x3) != 0) { + printf(" NON-INTEGER ResTable_type entriesStart OFFSET: %p\n", (void*)entriesStart); + continue; + } + uint32_t typeSize = dtohl(type->header.size); + if ((typeSize&0x3) != 0) { + printf(" NON-INTEGER ResTable_type header.size: %p\n", (void*)typeSize); + continue; + } + for (size_t entryIndex=0; entryIndex<entryCount; entryIndex++) { + + const uint8_t* const end = ((const uint8_t*)type) + + dtohl(type->header.size); + const uint32_t* const eindex = (const uint32_t*) + (((const uint8_t*)type) + dtohs(type->header.headerSize)); + + uint32_t thisOffset = dtohl(eindex[entryIndex]); + if (thisOffset == ResTable_type::NO_ENTRY) { + continue; + } + + uint32_t resID = (0xff000000 & ((pkg->package->id)<<24)) + | (0x00ff0000 & ((typeIndex+1)<<16)) + | (0x0000ffff & (entryIndex)); + resource_name resName; + if (this->getResourceName(resID, &resName)) { + printf(" resource 0x%08x %s:%s/%s: ", resID, + CHAR16_TO_CSTR(resName.package, resName.packageLen), + CHAR16_TO_CSTR(resName.type, resName.typeLen), + CHAR16_TO_CSTR(resName.name, resName.nameLen)); + } else { + printf(" INVALID RESOURCE 0x%08x: ", resID); + } + if ((thisOffset&0x3) != 0) { + printf("NON-INTEGER OFFSET: %p\n", (void*)thisOffset); + continue; + } + if ((thisOffset+sizeof(ResTable_entry)) > typeSize) { + printf("OFFSET OUT OF BOUNDS: %p+%p (size is %p)\n", + (void*)entriesStart, (void*)thisOffset, + (void*)typeSize); + continue; + } + + const ResTable_entry* ent = (const ResTable_entry*) + (((const uint8_t*)type) + entriesStart + thisOffset); + if (((entriesStart + thisOffset)&0x3) != 0) { + printf("NON-INTEGER ResTable_entry OFFSET: %p\n", + (void*)(entriesStart + thisOffset)); + continue; + } + + uint16_t esize = dtohs(ent->size); + if ((esize&0x3) != 0) { + printf("NON-INTEGER ResTable_entry SIZE: %p\n", (void*)esize); + continue; + } + if ((thisOffset+esize) > typeSize) { + printf("ResTable_entry OUT OF BOUNDS: %p+%p+%p (size is %p)\n", + (void*)entriesStart, (void*)thisOffset, + (void*)esize, (void*)typeSize); + continue; + } + + const Res_value* valuePtr = NULL; + const ResTable_map_entry* bagPtr = NULL; + Res_value value; + if ((dtohs(ent->flags)&ResTable_entry::FLAG_COMPLEX) != 0) { + printf("<bag>"); + bagPtr = (const ResTable_map_entry*)ent; + } else { + valuePtr = (const Res_value*) + (((const uint8_t*)ent) + esize); + value.copyFrom_dtoh(*valuePtr); + printf("t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)", + (int)value.dataType, (int)value.data, + (int)value.size, (int)value.res0); + } + + if ((dtohs(ent->flags)&ResTable_entry::FLAG_PUBLIC) != 0) { + printf(" (PUBLIC)"); + } + printf("\n"); + + if (inclValues) { + if (valuePtr != NULL) { + printf(" "); + print_value(pkg, value); + } else if (bagPtr != NULL) { + const int N = dtohl(bagPtr->count); + const uint8_t* baseMapPtr = (const uint8_t*)ent; + size_t mapOffset = esize; + const ResTable_map* mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); + printf(" Parent=0x%08x, Count=%d\n", + dtohl(bagPtr->parent.ident), N); + for (int i=0; i<N && mapOffset < (typeSize-sizeof(ResTable_map)); i++) { + printf(" #%i (Key=0x%08x): ", + i, dtohl(mapPtr->name.ident)); + value.copyFrom_dtoh(mapPtr->value); + print_value(pkg, value); + const size_t size = dtohs(mapPtr->value.size); + mapOffset += size + sizeof(*mapPtr)-sizeof(mapPtr->value); + mapPtr = (ResTable_map*)(baseMapPtr+mapOffset); + } + } + } + } + } + } + } + } +} + +#endif // HAVE_ANDROID_OS + +} // namespace android |