AssetManager.cpp revision 1cbea39fe1740d7d1c3e4aa0e4771a99a56c79ef
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Provide access to read-only assets. 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "asset" 22f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#define ATRACE_TAG ATRACE_TAG_RESOURCES 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOG_NDEBUG 0 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <androidfw/Asset.h> 26b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <androidfw/AssetDir.h> 27b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <androidfw/AssetManager.h> 281f5762e646bed2290934280464832782766ee68eMathias Agopian#include <androidfw/misc.h> 29b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <androidfw/ResourceTypes.h> 301f5762e646bed2290934280464832782766ee68eMathias Agopian#include <androidfw/ZipFileRO.h> 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Atomic.h> 32b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <utils/Log.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/threads.h> 36b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <utils/Timers.h> 37c51d050f1bc2c393707f7c5e1f6906169ace7497Dianne Hackborn#ifdef HAVE_ANDROID_OS 38f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#include <cutils/trace.h> 39c51d050f1bc2c393707f7c5e1f6906169ace7497Dianne Hackborn#endif 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <assert.h> 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <errno.h> 4448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad#include <string.h> // strerror 45b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <strings.h> 4657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 4757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad#ifndef TEMP_FAILURE_RETRY 4857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad/* Used to retry syscalls that can return EINTR. */ 4957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad#define TEMP_FAILURE_RETRY(exp) ({ \ 5057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad typeof (exp) _rc; \ 5157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad do { \ 5257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad _rc = (exp); \ 5357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } while (_rc == -1 && errno == EINTR); \ 5457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad _rc; }) 5557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad#endif 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#ifdef HAVE_ANDROID_OS 58f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#define MY_TRACE_BEGIN(x) ATRACE_BEGIN(x) 59f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#define MY_TRACE_END() ATRACE_END() 60f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#else 61f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#define MY_TRACE_BEGIN(x) 62f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#define MY_TRACE_END() 63f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#endif 64f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Names for default app, locale, and vendor. We might want to change 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * these to be an actual locale, e.g. always use en-US as the default. 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kDefaultLocale = "default"; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kDefaultVendor = "default"; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kAssetsRoot = "assets"; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kAppZipName = NULL; //"classes.jar"; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kSystemAssets = "framework/framework-res.apk"; 7648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadstatic const char* kResourceCache = "resource-cache"; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kExcludeExtension = ".EXCLUDE"; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic Asset* const kExcludedAsset = (Asset*) 0xd000000d; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic volatile int32_t gCount = 0; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8465a05fd56dbc9fd9c2511a97f49c445a748fb3c5Mårten Kongstadconst char* AssetManager::RESOURCES_FILENAME = "resources.arsc"; 8548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadconst char* AssetManager::IDMAP_BIN = "/system/bin/idmap"; 8648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadconst char* AssetManager::OVERLAY_DIR = "/vendor/overlay"; 8748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadconst char* AssetManager::TARGET_PACKAGE_NAME = "android"; 8848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadconst char* AssetManager::TARGET_APK_PATH = "/system/framework/framework-res.apk"; 8948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadconst char* AssetManager::IDMAP_DIR = "/data/resource-cache"; 9065a05fd56dbc9fd9c2511a97f49c445a748fb3c5Mårten Kongstad 9157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstadnamespace { 9257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad String8 idmapPathForPackagePath(const String8& pkgPath) 9357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad { 9457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad const char* root = getenv("ANDROID_DATA"); 9557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad LOG_ALWAYS_FATAL_IF(root == NULL, "ANDROID_DATA not set"); 9657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad String8 path(root); 9748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad path.appendPath(kResourceCache); 9857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 9957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad char buf[256]; // 256 chars should be enough for anyone... 10057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad strncpy(buf, pkgPath.string(), 255); 10157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad buf[255] = '\0'; 10257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad char* filename = buf; 10357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad while (*filename && *filename == '/') { 10457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ++filename; 10557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 10657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad char* p = filename; 10757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad while (*p) { 10857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (*p == '/') { 10957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad *p = '@'; 11057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 11157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ++p; 11257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 11357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad path.appendPath(filename); 11457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad path.append("@idmap"); 11557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 11657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return path; 11757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 11869a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian 11969a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian /* 12069a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian * Like strdup(), but uses C++ "new" operator instead of malloc. 12169a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian */ 12269a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian static char* strdupNew(const char* str) 12369a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian { 12469a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian char* newStr; 12569a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian int len; 12669a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian 12769a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian if (str == NULL) 12869a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian return NULL; 12969a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian 13069a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian len = strlen(str); 13169a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian newStr = new char[len+1]; 13269a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian memcpy(newStr, str, len+1); 13369a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian 13469a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian return newStr; 13569a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian } 13657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad} 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AssetManager 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t AssetManager::getGlobalCount() 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return gCount; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::AssetManager(CacheMode cacheMode) 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mLocale(NULL), mVendor(NULL), 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResources(NULL), mConfig(new ResTable_config), 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCacheMode(cacheMode), mCacheValid(false) 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = android_atomic_inc(&gCount)+1; 1556215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Creating AssetManager %p #%d\n", this, count); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memset(mConfig, 0, sizeof(ResTable_config)); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::~AssetManager(void) 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = android_atomic_dec(&gCount); 1626215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Destroying AssetManager in %p #%d\n", this, count); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mConfig; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mResources; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't have a String class yet, so make sure we clean up 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete[] mLocale; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete[] mVendor; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 172745d4efc8369d255341d810790132660e33d3b61Narayan Kamathbool AssetManager::addAssetPath(const String8& path, int32_t* cookie) 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project asset_path ap; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 realPath(path); 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (kAppZipName) { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realPath.appendPath(kAppZipName); 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap.type = ::getFileType(realPath.string()); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type == kFileTypeRegular) { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap.path = realPath; 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap.path = path; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap.type = ::getFileType(path.string()); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type != kFileTypeDirectory && ap.type != kFileTypeRegular) { 1898564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Asset path %s is neither a directory nor file (type=%d).", 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.string(), (int)ap.type); 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Skip if we have it already. 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<mAssetPaths.size(); i++) { 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAssetPaths[i].path == ap.path) { 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cookie) { 199745d4efc8369d255341d810790132660e33d3b61Narayan Kamath *cookie = static_cast<int32_t>(i+1); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 20571f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("In %p Asset %s path: %s", this, 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap.type == kFileTypeDirectory ? "dir" : "zip", ap.path.string()); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAssetPaths.add(ap); 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // new paths are always added at the end 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cookie) { 212745d4efc8369d255341d810790132660e33d3b61Narayan Kamath *cookie = static_cast<int32_t>(mAssetPaths.size()); 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad#ifdef HAVE_ANDROID_OS 21648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad // Load overlays, if any 21748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad asset_path oap; 21848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad for (size_t idx = 0; mZipSet.getOverlay(ap.path, idx, &oap); idx++) { 21948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad mAssetPaths.add(oap); 22057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 22148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad#endif 22257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadbool AssetManager::addOverlayPath(const String8& packagePath, int32_t* cookie) 22765a05fd56dbc9fd9c2511a97f49c445a748fb3c5Mårten Kongstad{ 22848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad const String8 idmapPath = idmapPathForPackagePath(packagePath); 22965a05fd56dbc9fd9c2511a97f49c445a748fb3c5Mårten Kongstad 23048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad AutoMutex _l(mLock); 23165a05fd56dbc9fd9c2511a97f49c445a748fb3c5Mårten Kongstad 23248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad for (size_t i = 0; i < mAssetPaths.size(); ++i) { 23348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (mAssetPaths[i].idmap == idmapPath) { 23448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad *cookie = static_cast<int32_t>(i + 1); 23548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad return true; 23648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 23748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 23865a05fd56dbc9fd9c2511a97f49c445a748fb3c5Mårten Kongstad 23948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad Asset* idmap = NULL; 24048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if ((idmap = openAssetFromFileLocked(idmapPath, Asset::ACCESS_BUFFER)) == NULL) { 24148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad ALOGW("failed to open idmap file %s\n", idmapPath.string()); 24257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 24357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 24457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 24548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad String8 targetPath; 24648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad String8 overlayPath; 24748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (!ResTable::getIdmapInfo(idmap->getBuffer(false), idmap->getLength(), 24848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad NULL, NULL, &targetPath, &overlayPath)) { 24948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad ALOGW("failed to read idmap file %s\n", idmapPath.string()); 25048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad delete idmap; 25157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 25257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 25348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad delete idmap; 25457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 25548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (overlayPath != packagePath) { 25648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad ALOGW("idmap file %s inconcistent: expected path %s does not match actual path %s\n", 25748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad idmapPath.string(), packagePath.string(), overlayPath.string()); 25857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 25957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 26048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (access(targetPath.string(), R_OK) != 0) { 26148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad ALOGW("failed to access file %s: %s\n", targetPath.string(), strerror(errno)); 26257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 26357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 26448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (access(idmapPath.string(), R_OK) != 0) { 26548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad ALOGW("failed to access file %s: %s\n", idmapPath.string(), strerror(errno)); 26657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 26757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 26848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (access(overlayPath.string(), R_OK) != 0) { 26948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad ALOGW("failed to access file %s: %s\n", overlayPath.string(), strerror(errno)); 27057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 27157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 272afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath 27348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad asset_path oap; 27448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad oap.path = overlayPath; 27548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad oap.type = ::getFileType(overlayPath.string()); 27648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad oap.idmap = idmapPath; 27748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad#if 0 27848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad ALOGD("Overlay added: targetPath=%s overlayPath=%s idmapPath=%s\n", 27948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad targetPath.string(), overlayPath.string(), idmapPath.string()); 28048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad#endif 28148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad mAssetPaths.add(oap); 28248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad *cookie = static_cast<int32_t>(mAssetPaths.size()); 283afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath 28448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad return true; 28548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 28657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 28748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadbool AssetManager::createIdmap(const char* targetApkPath, const char* overlayApkPath, 2881cbea39fe1740d7d1c3e4aa0e4771a99a56c79efNick Kralevich uint32_t targetCrc, uint32_t overlayCrc, uint32_t** outData, size_t* outSize) 28957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad{ 29048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad AutoMutex _l(mLock); 29148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad const String8 paths[2] = { String8(targetApkPath), String8(overlayApkPath) }; 29257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ResTable tables[2]; 29357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 29457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad for (int i = 0; i < 2; ++i) { 29557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad asset_path ap; 29657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ap.type = kFileTypeRegular; 29748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad ap.path = paths[i]; 29857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad Asset* ass = openNonAssetInPathLocked("resources.arsc", Asset::ACCESS_BUFFER, ap); 29957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (ass == NULL) { 3008564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to find resources.arsc in %s\n", ap.path.string()); 30148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad return false; 30257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 3037c4887f66bfa3dad16f8b03dc825ade96d7de130Narayan Kamath tables[i].add(ass, 1, false /* copyData */, NULL /* idMap */); 30457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 30557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 30648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad return tables[0].createIdmap(tables[1], targetCrc, overlayCrc, 30748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad targetApkPath, overlayApkPath, (void**)outData, outSize) == NO_ERROR; 30857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad} 30957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::addDefaultAssets() 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* root = getenv("ANDROID_ROOT"); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_ALWAYS_FATAL_IF(root == NULL, "ANDROID_ROOT not set"); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(root); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(kSystemAssets); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return addAssetPath(path, NULL); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 321745d4efc8369d255341d810790132660e33d3b61Narayan Kamathint32_t AssetManager::nextAssetPath(const int32_t cookie) const 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 324745d4efc8369d255341d810790132660e33d3b61Narayan Kamath const size_t next = static_cast<size_t>(cookie) + 1; 325745d4efc8369d255341d810790132660e33d3b61Narayan Kamath return next > mAssetPaths.size() ? -1 : next; 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 328745d4efc8369d255341d810790132660e33d3b61Narayan KamathString8 AssetManager::getAssetPath(const int32_t cookie) const 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 331745d4efc8369d255341d810790132660e33d3b61Narayan Kamath const size_t which = static_cast<size_t>(cookie) - 1; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (which < mAssetPaths.size()) { 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAssetPaths[which].path; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the current locale. Use NULL to indicate no locale. 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close and reopen Zip archives as appropriate, and reset cached 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * information in the locale-specific sections of the tree. 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::setLocale(const char* locale) 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLocaleLocked(locale); 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::setLocaleLocked(const char* locale) 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocale != NULL) { 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* previously set, purge cached data */ 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project purgeFileNameCacheLocked(); 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //mZipSet.purgeLocale(); 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete[] mLocale; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLocale = strdupNew(locale); 359c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateResourceParamsLocked(); 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the current vendor. Use NULL to indicate no vendor. 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close and reopen Zip archives as appropriate, and reset cached 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * information in the vendor-specific sections of the tree. 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::setVendor(const char* vendor) 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVendor != NULL) { 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* previously set, purge cached data */ 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project purgeFileNameCacheLocked(); 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //mZipSet.purgeVendor(); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete[] mVendor; 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVendor = strdupNew(vendor); 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::setConfiguration(const ResTable_config& config, const char* locale) 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *mConfig = config; 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (locale) { 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLocaleLocked(locale); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (config.language[0] != 0) { 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char spec[9]; 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[0] = config.language[0]; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[1] = config.language[1]; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (config.country[0] != 0) { 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[2] = '_'; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[3] = config.country[0]; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[4] = config.country[1]; 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[5] = 0; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[3] = 0; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLocaleLocked(spec); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateResourceParamsLocked(); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40608d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackbornvoid AssetManager::getConfiguration(ResTable_config* outConfig) const 40708d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackborn{ 40808d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackborn AutoMutex _l(mLock); 40908d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackborn *outConfig = *mConfig; 41008d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackborn} 41108d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackborn 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open an asset. 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The data could be; 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - In a file on disk (assetBase + fileName). 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - In a compressed file on disk (assetBase + fileName.gz). 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - In a Zip archive, uncompressed or compressed. 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It can be in a number of different directories and Zip archives. 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The search order is: 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - [appname] 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - locale + vendor 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - "default" + vendor 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - locale + "default" 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - "default + "default" 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - "common" 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - (same as above) 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * To find a particular file, we have to try up to eight paths with 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all three forms of data. 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We should probably reject requests for "illegal" filenames, e.g. those 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with illegal characters or "../" backward relative paths. 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::open(const char* fileName, AccessMode mode) 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode != CACHE_OFF && !mCacheValid) 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loadFileNameCacheLocked(); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 assetName(kAssetsRoot); 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assetName.appendPath(fileName); 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For each top-level asset path, search for the asset. 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t i = mAssetPaths.size(); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (i > 0) { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i--; 45671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Looking for asset '%s' in '%s'\n", 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assetName.string(), mAssetPaths.itemAt(i).path.string()); 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = openNonAssetInPathLocked(assetName.string(), mode, mAssetPaths.itemAt(i)); 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset != kExcludedAsset ? pAsset : NULL; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open a non-asset file as if it were an asset. 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The "fileName" is the partial path starting from the application 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * name. 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openNonAsset(const char* fileName, AccessMode mode) 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode != CACHE_OFF && !mCacheValid) 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loadFileNameCacheLocked(); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For each top-level asset path, search for the asset. 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t i = mAssetPaths.size(); 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (i > 0) { 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i--; 49071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Looking for non-asset '%s' in '%s'\n", fileName, mAssetPaths.itemAt(i).path.string()); 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = openNonAssetInPathLocked( 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileName, mode, mAssetPaths.itemAt(i)); 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset != kExcludedAsset ? pAsset : NULL; 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 501745d4efc8369d255341d810790132660e33d3b61Narayan KamathAsset* AssetManager::openNonAsset(const int32_t cookie, const char* fileName, AccessMode mode) 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 503745d4efc8369d255341d810790132660e33d3b61Narayan Kamath const size_t which = static_cast<size_t>(cookie) - 1; 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode != CACHE_OFF && !mCacheValid) 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loadFileNameCacheLocked(); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (which < mAssetPaths.size()) { 51371f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Looking for non-asset '%s' in '%s'\n", fileName, 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAssetPaths.itemAt(which).path.string()); 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = openNonAssetInPathLocked( 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileName, mode, mAssetPaths.itemAt(which)); 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset != kExcludedAsset ? pAsset : NULL; 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the type of a file in the asset namespace. 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This currently only works for regular files. All others (including 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * directories) will return kFileTypeNonexistent. 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectFileType AssetManager::getFileType(const char* fileName) 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open the asset. This is less efficient than simply finding the 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * file, but it's not too bad (we don't uncompress or mmap data until 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the first read() call). 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = open(fileName, Asset::ACCESS_STREAMING); 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete pAsset; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return kFileTypeNonexistent; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return kFileTypeRegular; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst ResTable* AssetManager::getResTable(bool required) const 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ResTable* rt = mResources; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rt) { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rt; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Iterate through all asset packages, collecting resources from each. 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResources != NULL) { 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mResources; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (required) { 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode != CACHE_OFF && !mCacheValid) 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const_cast<AssetManager*>(this)->loadFileNameCacheLocked(); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = mAssetPaths.size(); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* ass = NULL; 57478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn ResTable* sharedRes = NULL; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool shared = true; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap = mAssetPaths.itemAt(i); 577f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn MY_TRACE_BEGIN(ap.path.string()); 57857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad Asset* idmap = openIdmapLocked(ap); 57971f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Looking for resource asset in '%s'\n", ap.path.string()); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type != kFileTypeDirectory) { 58178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (i == 0) { 58278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // The first item is typically the framework resources, 58378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // which we want to avoid parsing every time. 58478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn sharedRes = const_cast<AssetManager*>(this)-> 58578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mZipSet.getZipResourceTable(ap.path); 58648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (sharedRes != NULL) { 58748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad // skip ahead the number of system overlay packages preloaded 58848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad i += sharedRes->getTableCount() - 1; 58948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 59078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 59178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (sharedRes == NULL) { 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ass = const_cast<AssetManager*>(this)-> 59378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mZipSet.getZipResourceTableAsset(ap.path); 59478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (ass == NULL) { 59571f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("loading resource table %s\n", ap.path.string()); 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ass = const_cast<AssetManager*>(this)-> 59778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn openNonAssetInPathLocked("resources.arsc", 59878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn Asset::ACCESS_BUFFER, 59978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn ap); 60078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (ass != NULL && ass != kExcludedAsset) { 60178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn ass = const_cast<AssetManager*>(this)-> 60278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mZipSet.setZipResourceTableAsset(ap.path, ass); 60378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 60478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 605c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 60678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (i == 0 && ass != NULL) { 60778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // If this is the first resource table in the asset 60878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // manager, then we are going to cache it so that we 60978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // can quickly copy it out for others. 61071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Creating shared resources for %s", ap.path.string()); 61178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn sharedRes = new ResTable(); 6127c4887f66bfa3dad16f8b03dc825ade96d7de130Narayan Kamath sharedRes->add(ass, i + 1, false, idmap); 61348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad#ifdef HAVE_ANDROID_OS 61448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad const char* data = getenv("ANDROID_DATA"); 61548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad LOG_ALWAYS_FATAL_IF(data == NULL, "ANDROID_DATA not set"); 61648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad String8 overlaysListPath(data); 61748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad overlaysListPath.appendPath(kResourceCache); 61848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad overlaysListPath.appendPath("overlays.list"); 61948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad addSystemOverlays(overlaysListPath.string(), ap.path, sharedRes, i); 62048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad#endif 62178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn sharedRes = const_cast<AssetManager*>(this)-> 62278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mZipSet.setZipResourceTable(ap.path, sharedRes); 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 62671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("loading resource table %s\n", ap.path.string()); 627c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes ass = const_cast<AssetManager*>(this)-> 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project openNonAssetInPathLocked("resources.arsc", 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset::ACCESS_BUFFER, 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap); 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shared = false; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if ((ass != NULL || sharedRes != NULL) && ass != kExcludedAsset) { 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rt == NULL) { 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResources = rt = new ResTable(); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateResourceParamsLocked(); 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63871f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Installing resource asset %p in to table %p\n", ass, mResources); 63978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (sharedRes != NULL) { 64071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Copying existing resources for %s", ap.path.string()); 64178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn rt->add(sharedRes); 64278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } else { 64371f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Parsing resources for %s", ap.path.string()); 6447c4887f66bfa3dad16f8b03dc825ade96d7de130Narayan Kamath rt->add(ass, i + 1, !shared, idmap); 64578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shared) { 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete ass; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6512b91c67137dfcdfc3f418e13ad63cef68f5247acMårten Kongstad if (idmap != NULL) { 6522b91c67137dfcdfc3f418e13ad63cef68f5247acMårten Kongstad delete idmap; 6532b91c67137dfcdfc3f418e13ad63cef68f5247acMårten Kongstad } 654f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn MY_TRACE_END(); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6578564c8da817a845353d213acd8636b76f567b234Steve Block if (required && !rt) ALOGW("Unable to find resources file resources.arsc"); 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!rt) { 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResources = rt = new ResTable(); 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rt; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::updateResourceParamsLocked() const 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ResTable* res = mResources; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!res) { 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t llen = mLocale ? strlen(mLocale) : 0; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->language[0] = 0; 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->language[1] = 0; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->country[0] = 0; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->country[1] = 0; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (llen >= 2) { 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->language[0] = mLocale[0]; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->language[1] = mLocale[1]; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (llen >= 5) { 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->country[0] = mLocale[3]; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->country[1] = mLocale[4]; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->size = sizeof(*mConfig); 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res->setParameters(mConfig); 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 68957f4b77c89bafedf9468f9a636561c0c193405c9Mårten KongstadAsset* AssetManager::openIdmapLocked(const struct asset_path& ap) const 69057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad{ 69157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad Asset* ass = NULL; 69257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (ap.idmap.size() != 0) { 69357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ass = const_cast<AssetManager*>(this)-> 69457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad openAssetFromFileLocked(ap.idmap, Asset::ACCESS_BUFFER); 69557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (ass) { 69671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("loading idmap %s\n", ap.idmap.string()); 69757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } else { 6988564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to load idmap %s\n", ap.idmap.string()); 69957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 70057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 70157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return ass; 70257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad} 70357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 70448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadvoid AssetManager::addSystemOverlays(const char* pathOverlaysList, 70548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad const String8& targetPackagePath, ResTable* sharedRes, size_t offset) const 70648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad{ 70748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad FILE* fin = fopen(pathOverlaysList, "r"); 70848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (fin == NULL) { 70948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad return; 71048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 71148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad 71248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad char buf[1024]; 71348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad while (fgets(buf, sizeof(buf), fin)) { 71448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad // format of each line: 71548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad // <path to apk><space><path to idmap><newline> 71648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad char* space = strchr(buf, ' '); 71748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad char* newline = strchr(buf, '\n'); 71848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad asset_path oap; 71948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad 72048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (space == NULL || newline == NULL || newline < space) { 72148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad continue; 72248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 72348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad 72448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad oap.path = String8(buf, space - buf); 72548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad oap.type = kFileTypeRegular; 72648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad oap.idmap = String8(space + 1, newline - space - 1); 72748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad 72848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad Asset* oass = const_cast<AssetManager*>(this)-> 72948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad openNonAssetInPathLocked("resources.arsc", 73048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad Asset::ACCESS_BUFFER, 73148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad oap); 73248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad 73348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (oass != NULL) { 73448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad Asset* oidmap = openIdmapLocked(oap); 73548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad offset++; 73648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad sharedRes->add(oass, offset + 1, false, oidmap); 73748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad const_cast<AssetManager*>(this)->mAssetPaths.add(oap); 73848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad const_cast<AssetManager*>(this)->mZipSet.addOverlay(targetPackagePath, oap); 73948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 74048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 74148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad fclose(fin); 74248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad} 74348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst ResTable& AssetManager::getResources(bool required) const 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const ResTable* rt = getResTable(required); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *rt; 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::isUpToDate() 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mZipSet.isUpToDate(); 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::getLocales(Vector<String8>* locales) const 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ResTable* res = mResources; 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != NULL) { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res->getLocales(locales); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open a non-asset file as if it were an asset, searching for it in the 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified app. 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in a NULL values for "appName" if the common app directory should 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be used. 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openNonAssetInPathLocked(const char* fileName, AccessMode mode, 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap) 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* look at the filesystem on disk */ 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type == kFileTypeDirectory) { 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(ap.path); 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(fileName); 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) { 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* try again, this time with ".gz" */ 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.append(".gz"); 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("FOUND NA '%s' on disk\n", fileName); 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset->setAssetSource(path); 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* look inside the zip file */ 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(fileName); 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* check the appropriate Zip file */ 799afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath ZipFileRO* pZip = getZipFileLocked(ap); 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pZip != NULL) { 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("GOT zip, checking NA '%s'\n", (const char*) path); 802afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath ZipEntryRO entry = pZip->findEntryByName(path.string()); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entry != NULL) { 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("FOUND NA in Zip file for %s\n", appName ? appName : kAppCommon); 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromZipLocked(pZip, entry, mode, path); 806afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath pZip->releaseEntry(entry); 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* create a "source" name, for debug/display */ 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset->setAssetSource( 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createZipSourceNameLocked(ZipSet::getPathName(ap.path.string()), String8(""), 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8(fileName))); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open an asset, searching for it in the directory hierarchy for the 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified app. 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in a NULL values for "appName" if the common app directory should 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be used. 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openInPathLocked(const char* fileName, AccessMode mode, 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap) 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Try various combinations of locale and vendor. 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocale != NULL && mVendor != NULL) 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openInLocaleVendorLocked(fileName, mode, ap, mLocale, mVendor); 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL && mVendor != NULL) 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openInLocaleVendorLocked(fileName, mode, ap, NULL, mVendor); 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL && mLocale != NULL) 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openInLocaleVendorLocked(fileName, mode, ap, mLocale, NULL); 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openInLocaleVendorLocked(fileName, mode, ap, NULL, NULL); 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open an asset, searching for it in the directory hierarchy for the 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified locale and vendor. 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We also search in "app.jar". 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in NULL values for "appName", "locale", and "vendor" if the 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * defaults should be used. 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openInLocaleVendorLocked(const char* fileName, AccessMode mode, 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap, const char* locale, const char* vendor) 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type == kFileTypeDirectory) { 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode == CACHE_OFF) { 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* look at the filesystem on disk */ 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(createPathNameLocked(ap, locale, vendor)); 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(fileName); 867c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 excludeName(path); 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project excludeName.append(kExcludeExtension); 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (::getFileType(excludeName.string()) != kFileTypeNonexistent) { 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* say no more */ 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("+++ excluding '%s'\n", (const char*) excludeName); 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return kExcludedAsset; 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 875c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 877c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) { 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* try again, this time with ".gz" */ 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.append(".gz"); 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 883c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset->setAssetSource(path); 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* find in cache */ 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(createPathNameLocked(ap, locale, vendor)); 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(fileName); 890c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir::FileInfo tmpInfo; 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool found = false; 893c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 excludeName(path); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project excludeName.append(kExcludeExtension); 896c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCache.indexOf(excludeName) != NAME_NOT_FOUND) { 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* go no farther */ 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("+++ Excluding '%s'\n", (const char*) excludeName); 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return kExcludedAsset; 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * File compression extensions (".gz") don't get stored in the 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * name cache, so we have to try both here. 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCache.indexOf(path) != NAME_NOT_FOUND) { 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = true; 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) { 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* try again, this time with ".gz" */ 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.append(".gz"); 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset->setAssetSource(path); 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't continue the search into the Zip files. Our cached info 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * said it was a file on disk; to be consistent with openDir() 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we want to return the loose asset. If the cached file gets 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * removed, we fail. 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The alternative is to update our cache when files get deleted, 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or make some sort of "best effort" promise, but for now I'm 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * taking the hard line. 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (found) { 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) 9325baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("Expected file not found: '%s'\n", path.string()); 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Either it wasn't found on disk or on the cached view of the disk. 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Dig through the currently-opened set of Zip files. If caching 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is disabled, the Zip file may get reopened. 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL && ap.type == kFileTypeRegular) { 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path; 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath((locale != NULL) ? locale : kDefaultLocale); 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath((vendor != NULL) ? vendor : kDefaultVendor); 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(fileName); 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* check the appropriate Zip file */ 951afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath ZipFileRO* pZip = getZipFileLocked(ap); 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pZip != NULL) { 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("GOT zip, checking '%s'\n", (const char*) path); 954afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath ZipEntryRO entry = pZip->findEntryByName(path.string()); 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entry != NULL) { 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("FOUND in Zip file for %s/%s-%s\n", 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // appName, locale, vendor); 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromZipLocked(pZip, entry, mode, path); 959afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath pZip->releaseEntry(entry); 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* create a "source" name, for debug/display */ 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset->setAssetSource(createZipSourceNameLocked(ZipSet::getPathName(ap.path.string()), 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8(""), String8(fileName))); 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a "source name" for a file from a Zip archive. 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 AssetManager::createZipSourceNameLocked(const String8& zipFileName, 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& dirName, const String8& fileName) 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 sourceName("zip:"); 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceName.append(zipFileName); 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceName.append(":"); 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirName.length() > 0) { 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceName.appendPath(dirName); 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceName.appendPath(fileName); 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sourceName; 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a path to a loose asset (asset-base/app/locale/vendor). 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 AssetManager::createPathNameLocked(const asset_path& ap, const char* locale, 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* vendor) 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(ap.path); 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath((locale != NULL) ? locale : kDefaultLocale); 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath((vendor != NULL) ? vendor : kDefaultVendor); 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return path; 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a path to a loose asset (asset-base/app/rootDir). 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 AssetManager::createPathNameLocked(const asset_path& ap, const char* rootDir) 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(ap.path); 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rootDir != NULL) path.appendPath(rootDir); 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return path; 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a pointer to one of our open Zip archives. Returns NULL if no 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * matching Zip file exists. 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Right now we have 2 possible Zip files (1 each in app/"common"). 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If caching is set to CACHE_OFF, to get the expected behavior we 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * need to reopen the Zip file on every request. That would be silly 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and expensive, so instead we just check the file modification date. 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in NULL values for "appName", "locale", and "vendor" if the 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * generics should be used. 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectZipFileRO* AssetManager::getZipFileLocked(const asset_path& ap) 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 102671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("getZipFileLocked() in %p\n", this); 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mZipSet.getZip(ap.path); 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Try to open an asset from a file on disk. 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the file is compressed with gzip, we seek to the start of the 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * deflated data and pass that in (just like we would for a Zip archive). 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For uncompressed data, we may already have an mmap()ed version sitting 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * around. If so, we want to hand that to the Asset instead. 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This returns NULL if the file doesn't exist, couldn't be opened, or 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * claims to be a ".gz" but isn't. 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openAssetFromFileLocked(const String8& pathName, 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AccessMode mode) 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcasecmp(pathName.getPathExtension().string(), ".gz") == 0) { 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("TRYING '%s'\n", (const char*) pathName); 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = Asset::createFromCompressedFile(pathName.string(), mode); 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("TRYING '%s'\n", (const char*) pathName); 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = Asset::createFromFile(pathName.string(), mode); 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Given an entry in a Zip archive, create a new Asset object. 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the entry is uncompressed, we may want to create or share a 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * slice of shared memory. 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openAssetFromZipLocked(const ZipFileRO* pZipFile, 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const ZipEntryRO entry, AccessMode mode, const String8& entryName) 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: look for previously-created shared memory slice? 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int method; 107268246dcec17c245a434dad70b778960dc5c84af1Kenny Root size_t uncompressedLen; 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("USING Zip '%s'\n", pEntry->getFileName()); 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //pZipFile->getEntryInfo(entry, &method, &uncompressedLen, &compressedLen, 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // &offset); 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!pZipFile->getEntryInfo(entry, &method, &uncompressedLen, NULL, NULL, 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NULL, NULL)) 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10818564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("getEntryInfo failed\n"); 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FileMap* dataMap = pZipFile->createEntryFileMap(entry); 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dataMap == NULL) { 10878564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("create map from entry failed\n"); 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (method == ZipFileRO::kCompressStored) { 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = Asset::createFromUncompressedMap(dataMap, mode); 109371f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Opened uncompressed entry %s in zip %s mode %d: %p", entryName.string(), 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dataMap->getFileName(), mode, pAsset); 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = Asset::createFromCompressedMap(dataMap, method, 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uncompressedLen, mode); 109871f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Opened compressed entry %s in zip %s mode %d: %p", entryName.string(), 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dataMap->getFileName(), mode, pAsset); 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) { 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* unexpected */ 11038564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("create from segment failed\n"); 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open a directory in the asset namespace. 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An "asset directory" is simply the combination of all files in all 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * locations, with ".gz" stripped for loose files. With app, locale, and 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vendor defined, we have 8 directories and 2 Zip archives to scan. 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in "" for the root dir. 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetDir* AssetManager::openDir(const char* dirName) 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir* pDir = NULL; 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pMergedInfo = NULL; 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(dirName != NULL); 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("+++ openDir(%s) in '%s'\n", dirName, (const char*) mAssetBase); 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode != CACHE_OFF && !mCacheValid) 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loadFileNameCacheLocked(); 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pDir = new AssetDir; 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan the various directories, merging what we find into a single 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vector. We want to scan them in reverse priority order so that 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the ".EXCLUDE" processing works correctly. Also, if we decide we 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * want to remember where the file is coming from, we'll get the right 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * version. 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We start with Zip archives, then do loose files. 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo = new SortedVector<AssetDir::FileInfo>; 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t i = mAssetPaths.size(); 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (i > 0) { 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i--; 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap = mAssetPaths.itemAt(i); 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type == kFileTypeRegular) { 115371f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Adding directory %s from zip %s", dirName, ap.path.string()); 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scanAndMergeZipLocked(pMergedInfo, ap, kAssetsRoot, dirName); 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 115671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Adding directory %s from dir %s", dirName, ap.path.string()); 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scanAndMergeDirLocked(pMergedInfo, ap, kAssetsRoot, dirName); 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("FILE LIST:\n"); 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < (size_t) pMergedInfo->size(); i++) { 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" %d: (%d) '%s'\n", i, 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->itemAt(i).getFileType(), 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (const char*) pMergedInfo->itemAt(i).getFileName()); 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pDir->setFileList(pMergedInfo); 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pDir; 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1175bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * Open a directory in the non-asset namespace. 1176bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * 1177bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * An "asset directory" is simply the combination of all files in all 1178bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * locations, with ".gz" stripped for loose files. With app, locale, and 1179bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * vendor defined, we have 8 directories and 2 Zip archives to scan. 1180bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * 1181bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * Pass in "" for the root dir. 1182bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn */ 1183745d4efc8369d255341d810790132660e33d3b61Narayan KamathAssetDir* AssetManager::openNonAssetDir(const int32_t cookie, const char* dirName) 1184bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn{ 1185bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn AutoMutex _l(mLock); 1186bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1187bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn AssetDir* pDir = NULL; 1188bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn SortedVector<AssetDir::FileInfo>* pMergedInfo = NULL; 1189bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1190bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 1191bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn assert(dirName != NULL); 1192bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1193bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn //printf("+++ openDir(%s) in '%s'\n", dirName, (const char*) mAssetBase); 1194bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1195bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn if (mCacheMode != CACHE_OFF && !mCacheValid) 1196bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn loadFileNameCacheLocked(); 1197bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1198bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn pDir = new AssetDir; 1199bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1200bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn pMergedInfo = new SortedVector<AssetDir::FileInfo>; 1201bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1202745d4efc8369d255341d810790132660e33d3b61Narayan Kamath const size_t which = static_cast<size_t>(cookie) - 1; 1203bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1204bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn if (which < mAssetPaths.size()) { 1205bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn const asset_path& ap = mAssetPaths.itemAt(which); 1206bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn if (ap.type == kFileTypeRegular) { 120771f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Adding directory %s from zip %s", dirName, ap.path.string()); 1208bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn scanAndMergeZipLocked(pMergedInfo, ap, NULL, dirName); 1209bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn } else { 121071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Adding directory %s from dir %s", dirName, ap.path.string()); 1211bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn scanAndMergeDirLocked(pMergedInfo, ap, NULL, dirName); 1212bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn } 1213bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn } 1214bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1215bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn#if 0 1216bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn printf("FILE LIST:\n"); 1217bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn for (i = 0; i < (size_t) pMergedInfo->size(); i++) { 1218bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn printf(" %d: (%d) '%s'\n", i, 1219bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn pMergedInfo->itemAt(i).getFileType(), 1220bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn (const char*) pMergedInfo->itemAt(i).getFileName()); 1221bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn } 1222bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn#endif 1223bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1224bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn pDir->setFileList(pMergedInfo); 1225bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn return pDir; 1226bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn} 1227bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1228bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn/* 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan the contents of the specified directory and merge them into the 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "pMergedInfo" vector, removing previous entries if we find "exclude" 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * directives. 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns "false" if we found nothing to contribute. 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::scanAndMergeDirLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap, const char* rootDir, const char* dirName) 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pContents; 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path; 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(pMergedInfo != NULL); 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("scanAndMergeDir: %s %s %s %s\n", appName, locale, vendor,dirName); 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheValid) { 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, start, count; 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents = new SortedVector<AssetDir::FileInfo>; 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the basic partial path and find it in the cache. That's 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the start point for the search. 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path = createPathNameLocked(ap, rootDir); 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirName[0] != '\0') 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(dirName); 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start = mCache.indexOf(path); 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start == NAME_NOT_FOUND) { 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("+++ not found in cache: dir '%s'\n", (const char*) path); 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete pContents; 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The match string looks like "common/default/default/foo/bar/". 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The '/' on the end ensures that we don't match on the directory 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * itself or on ".../foo/barfy/". 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.append("/"); 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count = mCache.size(); 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pick out the stuff in the current dir by examining the pathname. 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It needs to match the partial pathname prefix, and not have a '/' 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (fssep) anywhere after the prefix. 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = start+1; i < count; i++) { 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCache[i].getFileName().length() > path.length() && 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strncmp(mCache[i].getFileName().string(), path.string(), path.length()) == 0) 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* name = mCache[i].getFileName().string(); 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX THIS IS BROKEN! Looks like we need to store the full 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // path prefix separately from the file path. 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strchr(name + path.length(), '/') == NULL) { 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* grab it, reducing path to just the filename component */ 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir::FileInfo tmp = mCache[i]; 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tmp.setFileName(tmp.getFileName().getPathLeaf()); 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents->add(tmp); 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* no longer in the dir or its subdirs */ 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path = createPathNameLocked(ap, rootDir); 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirName[0] != '\0') 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(dirName); 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents = scanDirLocked(path); 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pContents == NULL) 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if we wanted to do an incremental cache fill, we would do it here 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Process "exclude" directives. If we find a filename that ends with 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ".EXCLUDE", we look for a matching entry in the "merged" set, and 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remove it if we find it. We also delete the "exclude" entry. 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, count, exclExtLen; 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count = pContents->size(); 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project exclExtLen = strlen(kExcludeExtension); 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < count; i++) { 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* name; 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nameLen; 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name = pContents->itemAt(i).getFileName().string(); 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nameLen = strlen(name); 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nameLen > exclExtLen && 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcmp(name + (nameLen - exclExtLen), kExcludeExtension) == 0) 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 match(name, nameLen - exclExtLen); 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int matchIdx; 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchIdx = AssetDir::FileInfo::findEntry(pMergedInfo, match); 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (matchIdx > 0) { 133271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Excluding '%s' [%s]\n", 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->itemAt(matchIdx).getFileName().string(), 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->itemAt(matchIdx).getSourceName().string()); 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->removeAt(matchIdx); 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("+++ no match on '%s'\n", (const char*) match); 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13405baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("HEY: size=%d removing %d\n", (int)pContents->size(), i); 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents->removeAt(i); 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i--; // adjust "for" loop 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count--; // and loop limit 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeInfoLocked(pMergedInfo, pContents); 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete pContents; 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan the contents of the specified directory, and stuff what we find 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into a newly-allocated vector. 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Files ending in ".gz" will have their extensions removed. 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We should probably think about skipping files with "illegal" names, 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * e.g. illegal characters (/\:) or excessive length. 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns NULL if the specified directory doesn't exist. 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectSortedVector<AssetDir::FileInfo>* AssetManager::scanDirLocked(const String8& path) 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pContents = NULL; 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dir; 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FileType fileType; 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 137271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Scanning dir '%s'\n", path.string()); 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dir = opendir(path.string()); 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dir == NULL) 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents = new SortedVector<AssetDir::FileInfo>; 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (1) { 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entry = readdir(dir); 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entry == NULL) 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcmp(entry->d_name, ".") == 0 || 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcmp(entry->d_name, "..") == 0) 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef _DIRENT_HAVE_D_TYPE 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entry->d_type == DT_REG) 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileType = kFileTypeRegular; 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (entry->d_type == DT_DIR) 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileType = kFileTypeDirectory; 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileType = kFileTypeUnknown; 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stat the file 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileType = ::getFileType(path.appendPathCopy(entry->d_name).string()); 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileType != kFileTypeRegular && fileType != kFileTypeDirectory) 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir::FileInfo info; 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.set(String8(entry->d_name), fileType); 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcasecmp(info.getFileName().getPathExtension().string(), ".gz") == 0) 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.setFileName(info.getFileName().getBasePath()); 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.setSourceName(path.appendPathCopy(info.getFileName())); 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents->add(info); 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dir); 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pContents; 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan the contents out of the specified Zip archive, and merge what we 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * find into "pMergedInfo". If the Zip archive in question doesn't exist, 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we return immediately. 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns "false" if we found nothing to contribute. 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::scanAndMergeZipLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap, const char* rootDir, const char* baseDirName) 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ZipFileRO* pZip; 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> dirs; 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir::FileInfo info; 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo> contents; 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 sourceName, zipName, dirName; 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pZip = mZipSet.getZip(ap.path); 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pZip == NULL) { 14348564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Failure opening zip %s\n", ap.path.string()); 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project zipName = ZipSet::getPathName(ap.path.string()); 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* convert "sounds" to "rootDir/sounds" */ 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rootDir != NULL) dirName = rootDir; 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dirName.appendPath(baseDirName); 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan through the list of files, looking for a match. The files in 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the Zip table of contents are not in sorted order, so we have to 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * process the entire list. We're looking for a string that begins 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with the characters in "dirName", is followed by a '/', and has no 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * subsequent '/' in the stuff that follows. 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * What makes this especially fun is that directories are not stored 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * explicitly in Zip archives, so we have to infer them from context. 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When we see "sounds/foo.wav" we have to leave a note to ourselves 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to insert a directory called "sounds" into the list. We store 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * these in temporary vector so that we only return each one once. 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Name comparisons are case-sensitive to match UNIX filesystem 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semantics. 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dirNameLen = dirName.length(); 1461afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath void *iterationCookie; 1462afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath if (!pZip->startIteration(&iterationCookie)) { 1463afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath ALOGW("ZipFileRO::startIteration returned false"); 1464afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath return false; 1465afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath } 1466afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath 1467afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath ZipEntryRO entry; 1468afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath while ((entry = pZip->nextEntry(iterationCookie)) != NULL) { 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char nameBuf[256]; 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pZip->getEntryFileName(entry, nameBuf, sizeof(nameBuf)) != 0) { 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: fix this if we expect to have long names 14733762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("ARGH: name too long?\n"); 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1476bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn //printf("Comparing %s in %s?\n", nameBuf, dirName.string()); 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirNameLen == 0 || 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (strncmp(nameBuf, dirName.string(), dirNameLen) == 0 && 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nameBuf[dirNameLen] == '/')) 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* cp; 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* nextSlash; 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cp = nameBuf + dirNameLen; 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirNameLen != 0) 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cp++; // advance past the '/' 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nextSlash = strchr(cp, '/'); 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//xxx this may break if there are bare directory entries 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nextSlash == NULL) { 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* this is a file in the requested directory */ 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.set(String8(nameBuf).getPathLeaf(), kFileTypeRegular); 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.setSourceName( 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createZipSourceNameLocked(zipName, dirName, info.getFileName())); 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contents.add(info); 1499bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn //printf("FOUND: file '%s'\n", info.getFileName().string()); 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* this is a subdir; add it if we don't already have it*/ 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 subdirName(cp, nextSlash - cp); 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t j; 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t N = dirs.size(); 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < N; j++) { 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (subdirName == dirs[j]) { 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (j == N) { 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dirs.add(subdirName); 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1515bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn //printf("FOUND: dir '%s'\n", subdirName.string()); 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1520afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath pZip->endIteration(iterationCookie); 1521afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add the set of unique directories. 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < (int) dirs.size(); i++) { 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.set(dirs[i], kFileTypeDirectory); 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.setSourceName( 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createZipSourceNameLocked(zipName, dirName, info.getFileName())); 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contents.add(info); 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeInfoLocked(pMergedInfo, &contents); 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Merge two vectors of FileInfo. 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The merged contents will be stuffed into *pMergedInfo. 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If an entry for a file exists in both "pMergedInfo" and "pContents", 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we use the newer "pContents" entry. 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::mergeInfoLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const SortedVector<AssetDir::FileInfo>* pContents) 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Merge what we found in this directory with what we found in 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * other places. 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Two basic approaches: 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (1) Create a new array that holds the unique values of the two 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * arrays. 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (2) Take the elements from pContents and shove them into pMergedInfo. 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Because these are vectors of complex objects, moving elements around 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * inside the vector requires constructing new objects and allocating 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * storage for members. With approach #1, we're always adding to the 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * end, whereas with #2 we could be inserting multiple elements at the 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * front of the vector. Approach #1 requires a full copy of the 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * contents of pMergedInfo, but approach #2 requires the same copy for 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * every insertion at the front of pMergedInfo. 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (We should probably use a SortedVector interface that allows us to 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just stuff items in, trusting us to maintain the sort order.) 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pNewSorted; 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mergeMax, contMax; 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mergeIdx, contIdx; 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted = new SortedVector<AssetDir::FileInfo>; 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeMax = pMergedInfo->size(); 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contMax = pContents->size(); 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeIdx = contIdx = 0; 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mergeIdx < mergeMax || contIdx < contMax) { 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mergeIdx == mergeMax) { 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* hit end of "merge" list, copy rest of "contents" */ 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted->add(pContents->itemAt(contIdx)); 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contIdx++; 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (contIdx == contMax) { 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* hit end of "cont" list, copy rest of "merge" */ 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted->add(pMergedInfo->itemAt(mergeIdx)); 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeIdx++; 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (pMergedInfo->itemAt(mergeIdx) == pContents->itemAt(contIdx)) 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* items are identical, add newer and advance both indices */ 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted->add(pContents->itemAt(contIdx)); 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeIdx++; 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contIdx++; 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (pMergedInfo->itemAt(mergeIdx) < pContents->itemAt(contIdx)) 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* "merge" is lower, add that one */ 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted->add(pMergedInfo->itemAt(mergeIdx)); 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeIdx++; 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* "cont" is lower, add that one */ 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(pContents->itemAt(contIdx) < pMergedInfo->itemAt(mergeIdx)); 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted->add(pContents->itemAt(contIdx)); 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contIdx++; 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Overwrite the "merged" list with the new stuff. 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *pMergedInfo = *pNewSorted; 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete pNewSorted; 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 // for Vector, rather than SortedVector 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, j; 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = pContents->size() -1; i >= 0; i--) { 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool add = true; 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = pMergedInfo->size() -1; j >= 0; j--) { 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* case-sensitive comparisons, to behave like UNIX fs */ 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcmp(pContents->itemAt(i).mFileName, 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->itemAt(j).mFileName) == 0) 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* match, don't add this entry */ 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project add = false; 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (add) 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->add(pContents->itemAt(i)); 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Load all files into the file name cache. We want to do this across 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all combinations of { appname, locale, vendor }, performing a recursive 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * directory traversal. 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is not the most efficient data structure. Also, gathering the 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * information as we needed it (file-by-file or directory-by-directory) 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * would be faster. However, on the actual device, 99% of the files will 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * live in Zip archives, so this list will be very small. The trouble 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is that we have to check the "loose" files first, so it's important 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that we don't beat the filesystem silly looking for files that aren't 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there. 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note on thread safety: this is the only function that causes updates 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to mCache, and anybody who tries to use it will call here if !mCacheValid, 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so we need to employ a mutex here. 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::loadFileNameCacheLocked(void) 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(!mCacheValid); 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(mCache.size() == 0); 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef DO_TIMINGS // need to link against -lrt for this now 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DurationTimer timer; 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timer.start(); 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanLocked(&mCache, ""); 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef DO_TIMINGS 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timer.stop(); 16665baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("Cache scan took %.3fms\n", 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timer.durationUsecs() / 1000.0); 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("CACHED FILE LIST (%d entries):\n", mCache.size()); 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < (int) mCache.size(); i++) { 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" %d: (%d) '%s'\n", i, 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCache.itemAt(i).getFileType(), 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (const char*) mCache.itemAt(i).getFileName()); 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCacheValid = true; 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan up to 8 versions of the specified directory. 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::fncScanLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* dirName) 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t i = mAssetPaths.size(); 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (i > 0) { 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i--; 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap = mAssetPaths.itemAt(i); 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanAndMergeDirLocked(pMergedInfo, ap, NULL, NULL, dirName); 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocale != NULL) 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanAndMergeDirLocked(pMergedInfo, ap, mLocale, NULL, dirName); 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVendor != NULL) 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanAndMergeDirLocked(pMergedInfo, ap, NULL, mVendor, dirName); 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocale != NULL && mVendor != NULL) 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanAndMergeDirLocked(pMergedInfo, ap, mLocale, mVendor, dirName); 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Recursively scan this directory and all subdirs. 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is similar to scanAndMergeDir, but we don't remove the .EXCLUDE 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * files, and we prepend the extended partial path to the filenames. 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::fncScanAndMergeDirLocked( 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pMergedInfo, 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap, const char* locale, const char* vendor, 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* dirName) 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pContents; 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 partialPath; 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 fullPath; 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX This is broken -- the filename cache needs to hold the base 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // asset path separately from its filename. 1720c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project partialPath = createPathNameLocked(ap, locale, vendor); 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirName[0] != '\0') { 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project partialPath.appendPath(dirName); 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fullPath = partialPath; 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents = scanDirLocked(fullPath); 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pContents == NULL) { 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; // directory did not exist 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan all subdirectories of the current dir, merging what we find 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into "pMergedInfo". 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < (int) pContents->size(); i++) { 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pContents->itemAt(i).getFileType() == kFileTypeDirectory) { 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 subdir(dirName); 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project subdir.appendPath(pContents->itemAt(i).getFileName()); 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanAndMergeDirLocked(pMergedInfo, ap, locale, vendor, subdir.string()); 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * To be consistent, we want entries for the root directory. If 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we're the root, add one now. 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirName[0] == '\0') { 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir::FileInfo tmpInfo; 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tmpInfo.set(String8(""), kFileTypeDirectory); 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tmpInfo.setSourceName(createPathNameLocked(ap, locale, vendor)); 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents->add(tmpInfo); 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We want to prepend the extended partial path to every entry in 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "pContents". It's the same value for each entry, so this will 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not change the sorting order of the vector contents. 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < (int) pContents->size(); i++) { 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const AssetDir::FileInfo& info = pContents->itemAt(i); 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents->editItemAt(i).setFileName(partialPath.appendPathCopy(info.getFileName())); 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeInfoLocked(pMergedInfo, pContents); 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Trash the cache. 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::purgeFileNameCacheLocked(void) 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCacheValid = false; 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCache.clear(); 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AssetManager::SharedZip 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectMutex AssetManager::SharedZip::gLock; 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectDefaultKeyedVector<String8, wp<AssetManager::SharedZip> > AssetManager::SharedZip::gOpen; 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::SharedZip::SharedZip(const String8& path, time_t modWhen) 179178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn : mPath(path), mZipFile(NULL), mModWhen(modWhen), 179278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mResourceTableAsset(NULL), mResourceTable(NULL) 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 17946215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Creating SharedZip %p %s\n", this, (const char*)mPath); 179571f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("+++ opening zip '%s'\n", mPath.string()); 1796afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath mZipFile = ZipFileRO::open(mPath.string()); 1797afd31e08299008fdc5c2813f21b2573f29dc53dfNarayan Kamath if (mZipFile == NULL) { 17985baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("failed to open Zip archive '%s'\n", mPath.string()); 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 180248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadsp<AssetManager::SharedZip> AssetManager::SharedZip::get(const String8& path, 180348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad bool createIfNotPresent) 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(gLock); 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project time_t modWhen = getFileModDate(path); 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<SharedZip> zip = gOpen.valueFor(path).promote(); 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (zip != NULL && zip->mModWhen == modWhen) { 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return zip; 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 181148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (zip == NULL && !createIfNotPresent) { 181248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad return NULL; 181348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project zip = new SharedZip(path, modWhen); 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gOpen.add(path, zip); 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return zip; 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectZipFileRO* AssetManager::SharedZip::getZip() 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mZipFile; 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::SharedZip::getResourceTableAsset() 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 182771f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Getting from SharedZip %p resource asset %p\n", this, mResourceTableAsset); 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mResourceTableAsset; 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::SharedZip::setResourceTableAsset(Asset* asset) 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(gLock); 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResourceTableAsset == NULL) { 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResourceTableAsset = asset; 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is not thread safe the first time it is called, so 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // do it here with the global lock held. 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project asset->getBuffer(true); 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return asset; 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete asset; 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mResourceTableAsset; 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 184778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornResTable* AssetManager::SharedZip::getResourceTable() 184878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn{ 184971f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Getting from SharedZip %p resource table %p\n", this, mResourceTable); 185078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn return mResourceTable; 185178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn} 185278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn 185378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornResTable* AssetManager::SharedZip::setResourceTable(ResTable* res) 185478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn{ 185578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn { 185678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn AutoMutex _l(gLock); 185778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (mResourceTable == NULL) { 185878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mResourceTable = res; 185978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn return res; 186078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 186178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 186278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn delete res; 186378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn return mResourceTable; 186478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn} 186578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::SharedZip::isUpToDate() 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project time_t modWhen = getFileModDate(mPath.string()); 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mModWhen == modWhen; 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 187248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadvoid AssetManager::SharedZip::addOverlay(const asset_path& ap) 187348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad{ 187448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad mOverlays.add(ap); 187548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad} 187648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad 187748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadbool AssetManager::SharedZip::getOverlay(size_t idx, asset_path* out) const 187848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad{ 187948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (idx >= mOverlays.size()) { 188048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad return false; 188148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 188248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad *out = mOverlays[idx]; 188348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad return true; 188448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad} 188548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::SharedZip::~SharedZip() 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18886215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Destroying SharedZip %p %s\n", this, (const char*)mPath); 188978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (mResourceTable != NULL) { 189078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn delete mResourceTable; 189178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResourceTableAsset != NULL) { 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mResourceTableAsset; 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mZipFile != NULL) { 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mZipFile; 189771f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Closed '%s'\n", mPath.string()); 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AssetManager::ZipSet 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor. 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::ZipSet::ZipSet(void) 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Destructor. Close any open archives. 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::ZipSet::~ZipSet(void) 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t N = mZipFile.size(); 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i = 0; i < N; i++) 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closeZip(i); 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close a Zip file and reset the entry. 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::ZipSet::closeZip(int idx) 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipFile.editItemAt(idx) = NULL; 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve the appropriate Zip file from the set. 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectZipFileRO* AssetManager::ZipSet::getZip(const String8& path) 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int idx = getIndex(path); 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<SharedZip> zip = mZipFile[idx]; 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (zip == NULL) { 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project zip = SharedZip::get(path); 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipFile.editItemAt(idx) = zip; 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return zip->getZip(); 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 194778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornAsset* AssetManager::ZipSet::getZipResourceTableAsset(const String8& path) 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int idx = getIndex(path); 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<SharedZip> zip = mZipFile[idx]; 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (zip == NULL) { 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project zip = SharedZip::get(path); 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipFile.editItemAt(idx) = zip; 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return zip->getResourceTableAsset(); 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 195878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornAsset* AssetManager::ZipSet::setZipResourceTableAsset(const String8& path, 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* asset) 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int idx = getIndex(path); 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<SharedZip> zip = mZipFile[idx]; 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // doesn't make sense to call before previously accessing. 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return zip->setResourceTableAsset(asset); 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 196778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornResTable* AssetManager::ZipSet::getZipResourceTable(const String8& path) 196878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn{ 196978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn int idx = getIndex(path); 197078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn sp<SharedZip> zip = mZipFile[idx]; 197178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (zip == NULL) { 197278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn zip = SharedZip::get(path); 197378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mZipFile.editItemAt(idx) = zip; 197478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 197578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn return zip->getResourceTable(); 197678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn} 197778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn 197878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornResTable* AssetManager::ZipSet::setZipResourceTable(const String8& path, 197978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn ResTable* res) 198078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn{ 198178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn int idx = getIndex(path); 198278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn sp<SharedZip> zip = mZipFile[idx]; 198378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // doesn't make sense to call before previously accessing. 198478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn return zip->setResourceTable(res); 198578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn} 198678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Generate the partial pathname for the specified archive. The caller 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * gets to prepend the asset root directory. 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns something like "common/en-US-noogle.jar". 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/*static*/ String8 AssetManager::ZipSet::getPathName(const char* zipPath) 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(zipPath); 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::ZipSet::isUpToDate() 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = mZipFile.size(); 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mZipFile[i] != NULL && !mZipFile[i]->isUpToDate()) { 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 200948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadvoid AssetManager::ZipSet::addOverlay(const String8& path, const asset_path& overlay) 201048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad{ 201148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad int idx = getIndex(path); 201248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad sp<SharedZip> zip = mZipFile[idx]; 201348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad zip->addOverlay(overlay); 201448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad} 201548d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad 201648d22323ce39f9aab003dce74456889b6414af55Mårten Kongstadbool AssetManager::ZipSet::getOverlay(const String8& path, size_t idx, asset_path* out) const 201748d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad{ 201848d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad sp<SharedZip> zip = SharedZip::get(path, false); 201948d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad if (zip == NULL) { 202048d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad return false; 202148d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad } 202248d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad return zip->getOverlay(idx, out); 202348d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad} 202448d22323ce39f9aab003dce74456889b6414af55Mårten Kongstad 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compute the zip file's index. 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "appName", "locale", and "vendor" should be set to NULL to indicate the 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default directory. 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AssetManager::ZipSet::getIndex(const String8& zip) const 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = mZipPath.size(); 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mZipPath[i] == zip) { 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return i; 20379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipPath.add(zip); 20419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipFile.add(NULL); 20429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mZipPath.size()-1; 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2045