AssetManager.cpp revision c367d48c55e5a3fa0df14fd62889e4bb6b63cb01
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> 28b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <androidfw/ResourceTypes.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Atomic.h> 30b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <utils/Log.h> 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/threads.h> 34b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <utils/Timers.h> 35a982dc05d7ca919c07f50e446549ef9dceadf6bdColin Cross#include <utils/ZipFileRO.h> 36c51d050f1bc2c393707f7c5e1f6906169ace7497Dianne Hackborn#ifdef HAVE_ANDROID_OS 37f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#include <cutils/trace.h> 38c51d050f1bc2c393707f7c5e1f6906169ace7497Dianne Hackborn#endif 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <assert.h> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <errno.h> 4357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad#include <fcntl.h> 44b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <strings.h> 4557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad#include <sys/stat.h> 4657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad#include <unistd.h> 4757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 4857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad#ifndef TEMP_FAILURE_RETRY 4957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad/* Used to retry syscalls that can return EINTR. */ 5057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad#define TEMP_FAILURE_RETRY(exp) ({ \ 5157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad typeof (exp) _rc; \ 5257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad do { \ 5357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad _rc = (exp); \ 5457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } while (_rc == -1 && errno == EINTR); \ 5557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad _rc; }) 5657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad#endif 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 58f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#ifdef HAVE_ANDROID_OS 59f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#define MY_TRACE_BEGIN(x) ATRACE_BEGIN(x) 60f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#define MY_TRACE_END() ATRACE_END() 61f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#else 62f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#define MY_TRACE_BEGIN(x) 63f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#define MY_TRACE_END() 64f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn#endif 65f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Names for default app, locale, and vendor. We might want to change 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * these to be an actual locale, e.g. always use en-US as the default. 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kDefaultLocale = "default"; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kDefaultVendor = "default"; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kAssetsRoot = "assets"; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kAppZipName = NULL; //"classes.jar"; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kSystemAssets = "framework/framework-res.apk"; 7757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstadstatic const char* kIdmapCacheDir = "resource-cache"; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* kExcludeExtension = ".EXCLUDE"; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic Asset* const kExcludedAsset = (Asset*) 0xd000000d; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic volatile int32_t gCount = 0; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstadnamespace { 8657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad // Transform string /a/b/c.apk to /data/resource-cache/a@b@c.apk@idmap 8757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad String8 idmapPathForPackagePath(const String8& pkgPath) 8857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad { 8957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad const char* root = getenv("ANDROID_DATA"); 9057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad LOG_ALWAYS_FATAL_IF(root == NULL, "ANDROID_DATA not set"); 9157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad String8 path(root); 9257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad path.appendPath(kIdmapCacheDir); 9357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 9457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad char buf[256]; // 256 chars should be enough for anyone... 9557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad strncpy(buf, pkgPath.string(), 255); 9657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad buf[255] = '\0'; 9757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad char* filename = buf; 9857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad while (*filename && *filename == '/') { 9957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ++filename; 10057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 10157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad char* p = filename; 10257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad while (*p) { 10357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (*p == '/') { 10457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad *p = '@'; 10557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 10657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ++p; 10757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 10857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad path.appendPath(filename); 10957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad path.append("@idmap"); 11057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 11157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return path; 11257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 11369a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian 11469a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian /* 11569a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian * Like strdup(), but uses C++ "new" operator instead of malloc. 11669a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian */ 11769a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian static char* strdupNew(const char* str) 11869a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian { 11969a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian char* newStr; 12069a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian int len; 12169a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian 12269a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian if (str == NULL) 12369a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian return NULL; 12469a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian 12569a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian len = strlen(str); 12669a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian newStr = new char[len+1]; 12769a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian memcpy(newStr, str, len+1); 12869a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian 12969a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian return newStr; 13069a3ce1eb1af3129056f7da95a491da0280019b5Mathias Agopian } 13157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad} 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AssetManager 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t AssetManager::getGlobalCount() 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return gCount; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::AssetManager(CacheMode cacheMode) 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mLocale(NULL), mVendor(NULL), 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResources(NULL), mConfig(new ResTable_config), 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCacheMode(cacheMode), mCacheValid(false) 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = android_atomic_inc(&gCount)+1; 1506215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Creating AssetManager %p #%d\n", this, count); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memset(mConfig, 0, sizeof(ResTable_config)); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::~AssetManager(void) 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = android_atomic_dec(&gCount); 1576215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Destroying AssetManager in %p #%d\n", this, count); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mConfig; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mResources; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't have a String class yet, so make sure we clean up 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete[] mLocale; 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete[] mVendor; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::addAssetPath(const String8& path, void** cookie) 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project asset_path ap; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 realPath(path); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (kAppZipName) { 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realPath.appendPath(kAppZipName); 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap.type = ::getFileType(realPath.string()); 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type == kFileTypeRegular) { 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap.path = realPath; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap.path = path; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap.type = ::getFileType(path.string()); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type != kFileTypeDirectory && ap.type != kFileTypeRegular) { 1848564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Asset path %s is neither a directory nor file (type=%d).", 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.string(), (int)ap.type); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Skip if we have it already. 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<mAssetPaths.size(); i++) { 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAssetPaths[i].path == ap.path) { 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cookie) { 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *cookie = (void*)(i+1); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 20071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("In %p Asset %s path: %s", this, 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap.type == kFileTypeDirectory ? "dir" : "zip", ap.path.string()); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAssetPaths.add(ap); 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // new paths are always added at the end 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cookie) { 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *cookie = (void*)mAssetPaths.size(); 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad // add overlay packages for /system/framework; apps are handled by the 21157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad // (Java) package manager 21257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (strncmp(path.string(), "/system/framework/", 18) == 0) { 21357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad // When there is an environment variable for /vendor, this 21457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad // should be changed to something similar to how ANDROID_ROOT 21557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad // and ANDROID_DATA are used in this file. 21657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad String8 overlayPath("/vendor/overlay/framework/"); 21757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad overlayPath.append(path.getPathLeaf()); 21857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (TEMP_FAILURE_RETRY(access(overlayPath.string(), R_OK)) == 0) { 21957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad asset_path oap; 22057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad oap.path = overlayPath; 22157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad oap.type = ::getFileType(overlayPath.string()); 22257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad bool addOverlay = (oap.type == kFileTypeRegular); // only .apks supported as overlay 22357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (addOverlay) { 22457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad oap.idmap = idmapPathForPackagePath(overlayPath); 22557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 22657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (isIdmapStaleLocked(ap.path, oap.path, oap.idmap)) { 22757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad addOverlay = createIdmapFileLocked(ap.path, oap.path, oap.idmap); 22857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 22957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 23057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (addOverlay) { 23157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad mAssetPaths.add(oap); 23257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } else { 2338564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to add overlay package %s\n", overlayPath.string()); 23457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 23557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 23657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 23757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstadbool AssetManager::isIdmapStaleLocked(const String8& originalPath, const String8& overlayPath, 24257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad const String8& idmapPath) 24357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad{ 24457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad struct stat st; 24557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (TEMP_FAILURE_RETRY(stat(idmapPath.string(), &st)) == -1) { 24657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (errno == ENOENT) { 24757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return true; // non-existing idmap is always stale 24857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } else { 2498564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to stat file %s: %s\n", idmapPath.string(), strerror(errno)); 25057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 25157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 25257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 25357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (st.st_size < ResTable::IDMAP_HEADER_SIZE_BYTES) { 2548564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("file %s has unexpectedly small size=%zd\n", idmapPath.string(), (size_t)st.st_size); 25557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 25657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 25757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad int fd = TEMP_FAILURE_RETRY(::open(idmapPath.string(), O_RDONLY)); 25857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (fd == -1) { 2598564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to open file %s: %s\n", idmapPath.string(), strerror(errno)); 26057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 26157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 26257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad char buf[ResTable::IDMAP_HEADER_SIZE_BYTES]; 26357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ssize_t bytesLeft = ResTable::IDMAP_HEADER_SIZE_BYTES; 26457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad for (;;) { 26557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ssize_t r = TEMP_FAILURE_RETRY(read(fd, buf + ResTable::IDMAP_HEADER_SIZE_BYTES - bytesLeft, 26657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad bytesLeft)); 26757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (r < 0) { 26857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad TEMP_FAILURE_RETRY(close(fd)); 26957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 27057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 27157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad bytesLeft -= r; 27257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (bytesLeft == 0) { 27357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad break; 27457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 27557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 27657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad TEMP_FAILURE_RETRY(close(fd)); 27757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 27857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad uint32_t cachedOriginalCrc, cachedOverlayCrc; 27957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (!ResTable::getIdmapInfo(buf, ResTable::IDMAP_HEADER_SIZE_BYTES, 28057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad &cachedOriginalCrc, &cachedOverlayCrc)) { 28157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 28257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 28357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 28457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad uint32_t actualOriginalCrc, actualOverlayCrc; 28557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (!getZipEntryCrcLocked(originalPath, "resources.arsc", &actualOriginalCrc)) { 28657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 28757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 28857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (!getZipEntryCrcLocked(overlayPath, "resources.arsc", &actualOverlayCrc)) { 28957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 29057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 29157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return cachedOriginalCrc != actualOriginalCrc || cachedOverlayCrc != actualOverlayCrc; 29257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad} 29357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 29457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstadbool AssetManager::getZipEntryCrcLocked(const String8& zipPath, const char* entryFilename, 29557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad uint32_t* pCrc) 29657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad{ 29757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad asset_path ap; 29857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ap.path = zipPath; 29957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad const ZipFileRO* zip = getZipFileLocked(ap); 30057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (zip == NULL) { 30157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 30257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 30357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad const ZipEntryRO entry = zip->findEntryByName(entryFilename); 30457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (entry == NULL) { 30557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 30657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 30757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (!zip->getEntryInfo(entry, NULL, NULL, NULL, NULL, NULL, (long*)pCrc)) { 30857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return false; 30957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 31057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return true; 31157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad} 31257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 31357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstadbool AssetManager::createIdmapFileLocked(const String8& originalPath, const String8& overlayPath, 31457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad const String8& idmapPath) 31557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad{ 3165baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("%s: originalPath=%s overlayPath=%s idmapPath=%s\n", 31757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad __FUNCTION__, originalPath.string(), overlayPath.string(), idmapPath.string()); 31857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ResTable tables[2]; 31957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad const String8* paths[2] = { &originalPath, &overlayPath }; 32057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad uint32_t originalCrc, overlayCrc; 32157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad bool retval = false; 32257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ssize_t offset = 0; 32357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad int fd = 0; 32457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad uint32_t* data = NULL; 32557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad size_t size; 32657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 32757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad for (int i = 0; i < 2; ++i) { 32857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad asset_path ap; 32957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ap.type = kFileTypeRegular; 33057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ap.path = *paths[i]; 33157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad Asset* ass = openNonAssetInPathLocked("resources.arsc", Asset::ACCESS_BUFFER, ap); 33257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (ass == NULL) { 3338564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to find resources.arsc in %s\n", ap.path.string()); 33457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad goto error; 33557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 33657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad tables[i].add(ass, (void*)1, false); 33757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 33857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 33957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (!getZipEntryCrcLocked(originalPath, "resources.arsc", &originalCrc)) { 3408564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to retrieve crc for resources.arsc in %s\n", originalPath.string()); 34157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad goto error; 34257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 34357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (!getZipEntryCrcLocked(overlayPath, "resources.arsc", &overlayCrc)) { 3448564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to retrieve crc for resources.arsc in %s\n", overlayPath.string()); 34557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad goto error; 34657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 34757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 34857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (tables[0].createIdmap(tables[1], originalCrc, overlayCrc, 34957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad (void**)&data, &size) != NO_ERROR) { 3508564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to generate idmap data for file %s\n", idmapPath.string()); 35157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad goto error; 35257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 35357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 35457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad // This should be abstracted (eg replaced by a stand-alone 35557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad // application like dexopt, triggered by something equivalent to 35657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad // installd). 35757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad fd = TEMP_FAILURE_RETRY(::open(idmapPath.string(), O_WRONLY | O_CREAT | O_TRUNC, 0644)); 35857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (fd == -1) { 3598564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to write idmap file %s (open: %s)\n", idmapPath.string(), strerror(errno)); 36057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad goto error_free; 36157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 36257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad for (;;) { 36357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ssize_t written = TEMP_FAILURE_RETRY(write(fd, data + offset, size)); 36457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (written < 0) { 3658564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to write idmap file %s (write: %s)\n", idmapPath.string(), 36657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad strerror(errno)); 36757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad goto error_close; 36857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 36957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad size -= (size_t)written; 37057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad offset += written; 37157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (size == 0) { 37257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad break; 37357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 37457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 37557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 37657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad retval = true; 37757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstaderror_close: 37857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad TEMP_FAILURE_RETRY(close(fd)); 37957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstaderror_free: 38057f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad free(data); 38157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstaderror: 38257f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return retval; 38357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad} 38457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::addDefaultAssets() 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* root = getenv("ANDROID_ROOT"); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_ALWAYS_FATAL_IF(root == NULL, "ANDROID_ROOT not set"); 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(root); 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(kSystemAssets); 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return addAssetPath(path, NULL); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid* AssetManager::nextAssetPath(void* cookie) const 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t next = ((size_t)cookie)+1; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return next > mAssetPaths.size() ? NULL : (void*)next; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 AssetManager::getAssetPath(void* cookie) const 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t which = ((size_t)cookie)-1; 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (which < mAssetPaths.size()) { 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAssetPaths[which].path; 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the current locale. Use NULL to indicate no locale. 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close and reopen Zip archives as appropriate, and reset cached 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * information in the locale-specific sections of the tree. 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::setLocale(const char* locale) 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLocaleLocked(locale); 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::setLocaleLocked(const char* locale) 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocale != NULL) { 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* previously set, purge cached data */ 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project purgeFileNameCacheLocked(); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //mZipSet.purgeLocale(); 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete[] mLocale; 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLocale = strdupNew(locale); 434c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateResourceParamsLocked(); 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the current vendor. Use NULL to indicate no vendor. 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close and reopen Zip archives as appropriate, and reset cached 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * information in the vendor-specific sections of the tree. 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::setVendor(const char* vendor) 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVendor != NULL) { 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* previously set, purge cached data */ 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project purgeFileNameCacheLocked(); 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //mZipSet.purgeVendor(); 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete[] mVendor; 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVendor = strdupNew(vendor); 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::setConfiguration(const ResTable_config& config, const char* locale) 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *mConfig = config; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (locale) { 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLocaleLocked(locale); 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (config.language[0] != 0) { 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char spec[9]; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[0] = config.language[0]; 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[1] = config.language[1]; 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (config.country[0] != 0) { 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[2] = '_'; 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[3] = config.country[0]; 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[4] = config.country[1]; 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[5] = 0; 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spec[3] = 0; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLocaleLocked(spec); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateResourceParamsLocked(); 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48108d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackbornvoid AssetManager::getConfiguration(ResTable_config* outConfig) const 48208d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackborn{ 48308d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackborn AutoMutex _l(mLock); 48408d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackborn *outConfig = *mConfig; 48508d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackborn} 48608d5b8fad8d46ccb64db2fdcb4d66972ec87bf48Dianne Hackborn 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open an asset. 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The data could be; 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - In a file on disk (assetBase + fileName). 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - In a compressed file on disk (assetBase + fileName.gz). 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - In a Zip archive, uncompressed or compressed. 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It can be in a number of different directories and Zip archives. 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The search order is: 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - [appname] 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - locale + vendor 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - "default" + vendor 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - locale + "default" 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - "default + "default" 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - "common" 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - (same as above) 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * To find a particular file, we have to try up to eight paths with 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all three forms of data. 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We should probably reject requests for "illegal" filenames, e.g. those 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with illegal characters or "../" backward relative paths. 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::open(const char* fileName, AccessMode mode) 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode != CACHE_OFF && !mCacheValid) 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loadFileNameCacheLocked(); 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 assetName(kAssetsRoot); 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assetName.appendPath(fileName); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For each top-level asset path, search for the asset. 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t i = mAssetPaths.size(); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (i > 0) { 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i--; 53171f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Looking for asset '%s' in '%s'\n", 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assetName.string(), mAssetPaths.itemAt(i).path.string()); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = openNonAssetInPathLocked(assetName.string(), mode, mAssetPaths.itemAt(i)); 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset != kExcludedAsset ? pAsset : NULL; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open a non-asset file as if it were an asset. 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The "fileName" is the partial path starting from the application 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * name. 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openNonAsset(const char* fileName, AccessMode mode) 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode != CACHE_OFF && !mCacheValid) 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loadFileNameCacheLocked(); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For each top-level asset path, search for the asset. 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t i = mAssetPaths.size(); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (i > 0) { 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i--; 56571f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Looking for non-asset '%s' in '%s'\n", fileName, mAssetPaths.itemAt(i).path.string()); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = openNonAssetInPathLocked( 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileName, mode, mAssetPaths.itemAt(i)); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset != kExcludedAsset ? pAsset : NULL; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openNonAsset(void* cookie, const char* fileName, AccessMode mode) 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t which = ((size_t)cookie)-1; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode != CACHE_OFF && !mCacheValid) 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loadFileNameCacheLocked(); 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (which < mAssetPaths.size()) { 58971f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Looking for non-asset '%s' in '%s'\n", fileName, 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAssetPaths.itemAt(which).path.string()); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = openNonAssetInPathLocked( 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileName, mode, mAssetPaths.itemAt(which)); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset != kExcludedAsset ? pAsset : NULL; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the type of a file in the asset namespace. 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This currently only works for regular files. All others (including 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * directories) will return kFileTypeNonexistent. 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectFileType AssetManager::getFileType(const char* fileName) 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open the asset. This is less efficient than simply finding the 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * file, but it's not too bad (we don't uncompress or mmap data until 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the first read() call). 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = open(fileName, Asset::ACCESS_STREAMING); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete pAsset; 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return kFileTypeNonexistent; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return kFileTypeRegular; 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst ResTable* AssetManager::getResTable(bool required) const 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ResTable* rt = mResources; 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rt) { 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rt; 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Iterate through all asset packages, collecting resources from each. 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResources != NULL) { 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mResources; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (required) { 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode != CACHE_OFF && !mCacheValid) 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const_cast<AssetManager*>(this)->loadFileNameCacheLocked(); 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = mAssetPaths.size(); 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* ass = NULL; 65078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn ResTable* sharedRes = NULL; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool shared = true; 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap = mAssetPaths.itemAt(i); 653f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn MY_TRACE_BEGIN(ap.path.string()); 65457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad Asset* idmap = openIdmapLocked(ap); 65571f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Looking for resource asset in '%s'\n", ap.path.string()); 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type != kFileTypeDirectory) { 65778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (i == 0) { 65878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // The first item is typically the framework resources, 65978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // which we want to avoid parsing every time. 66078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn sharedRes = const_cast<AssetManager*>(this)-> 66178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mZipSet.getZipResourceTable(ap.path); 66278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 66378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (sharedRes == NULL) { 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ass = const_cast<AssetManager*>(this)-> 66578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mZipSet.getZipResourceTableAsset(ap.path); 66678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (ass == NULL) { 66771f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("loading resource table %s\n", ap.path.string()); 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ass = const_cast<AssetManager*>(this)-> 66978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn openNonAssetInPathLocked("resources.arsc", 67078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn Asset::ACCESS_BUFFER, 67178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn ap); 67278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (ass != NULL && ass != kExcludedAsset) { 67378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn ass = const_cast<AssetManager*>(this)-> 67478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mZipSet.setZipResourceTableAsset(ap.path, ass); 67578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 67678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 677c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 67878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (i == 0 && ass != NULL) { 67978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // If this is the first resource table in the asset 68078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // manager, then we are going to cache it so that we 68178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // can quickly copy it out for others. 68271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Creating shared resources for %s", ap.path.string()); 68378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn sharedRes = new ResTable(); 68457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad sharedRes->add(ass, (void*)(i+1), false, idmap); 68578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn sharedRes = const_cast<AssetManager*>(this)-> 68678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mZipSet.setZipResourceTable(ap.path, sharedRes); 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 69071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("loading resource table %s\n", ap.path.string()); 691c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes ass = const_cast<AssetManager*>(this)-> 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project openNonAssetInPathLocked("resources.arsc", 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset::ACCESS_BUFFER, 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ap); 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shared = false; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 69778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if ((ass != NULL || sharedRes != NULL) && ass != kExcludedAsset) { 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rt == NULL) { 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResources = rt = new ResTable(); 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateResourceParamsLocked(); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 70271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Installing resource asset %p in to table %p\n", ass, mResources); 70378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (sharedRes != NULL) { 70471f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Copying existing resources for %s", ap.path.string()); 70578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn rt->add(sharedRes); 70678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } else { 70771f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Parsing resources for %s", ap.path.string()); 70857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad rt->add(ass, (void*)(i+1), !shared, idmap); 70978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shared) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete ass; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7152b91c67137dfcdfc3f418e13ad63cef68f5247acMårten Kongstad if (idmap != NULL) { 7162b91c67137dfcdfc3f418e13ad63cef68f5247acMårten Kongstad delete idmap; 7172b91c67137dfcdfc3f418e13ad63cef68f5247acMårten Kongstad } 718f7be4800df28d7cb6a96003046bf90245e7054abDianne Hackborn MY_TRACE_END(); 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7218564c8da817a845353d213acd8636b76f567b234Steve Block if (required && !rt) ALOGW("Unable to find resources file resources.arsc"); 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!rt) { 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResources = rt = new ResTable(); 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rt; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::updateResourceParamsLocked() const 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ResTable* res = mResources; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!res) { 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t llen = mLocale ? strlen(mLocale) : 0; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->language[0] = 0; 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->language[1] = 0; 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->country[0] = 0; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->country[1] = 0; 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (llen >= 2) { 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->language[0] = mLocale[0]; 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->language[1] = mLocale[1]; 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (llen >= 5) { 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->country[0] = mLocale[3]; 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->country[1] = mLocale[4]; 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConfig->size = sizeof(*mConfig); 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res->setParameters(mConfig); 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 75357f4b77c89bafedf9468f9a636561c0c193405c9Mårten KongstadAsset* AssetManager::openIdmapLocked(const struct asset_path& ap) const 75457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad{ 75557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad Asset* ass = NULL; 75657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (ap.idmap.size() != 0) { 75757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad ass = const_cast<AssetManager*>(this)-> 75857f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad openAssetFromFileLocked(ap.idmap, Asset::ACCESS_BUFFER); 75957f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad if (ass) { 76071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("loading idmap %s\n", ap.idmap.string()); 76157f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } else { 7628564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("failed to load idmap %s\n", ap.idmap.string()); 76357f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 76457f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad } 76557f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad return ass; 76657f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad} 76757f4b77c89bafedf9468f9a636561c0c193405c9Mårten Kongstad 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst ResTable& AssetManager::getResources(bool required) const 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const ResTable* rt = getResTable(required); 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *rt; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::isUpToDate() 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mZipSet.isUpToDate(); 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::getLocales(Vector<String8>* locales) const 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ResTable* res = mResources; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != NULL) { 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res->getLocales(locales); 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open a non-asset file as if it were an asset, searching for it in the 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified app. 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in a NULL values for "appName" if the common app directory should 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be used. 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openNonAssetInPathLocked(const char* fileName, AccessMode mode, 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap) 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* look at the filesystem on disk */ 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type == kFileTypeDirectory) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(ap.path); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(fileName); 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) { 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* try again, this time with ".gz" */ 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.append(".gz"); 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("FOUND NA '%s' on disk\n", fileName); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset->setAssetSource(path); 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* look inside the zip file */ 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(fileName); 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* check the appropriate Zip file */ 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ZipFileRO* pZip; 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ZipEntryRO entry; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pZip = getZipFileLocked(ap); 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pZip != NULL) { 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("GOT zip, checking NA '%s'\n", (const char*) path); 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entry = pZip->findEntryByName(path.string()); 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entry != NULL) { 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("FOUND NA in Zip file for %s\n", appName ? appName : kAppCommon); 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromZipLocked(pZip, entry, mode, path); 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* create a "source" name, for debug/display */ 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset->setAssetSource( 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createZipSourceNameLocked(ZipSet::getPathName(ap.path.string()), String8(""), 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8(fileName))); 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open an asset, searching for it in the directory hierarchy for the 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified app. 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in a NULL values for "appName" if the common app directory should 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be used. 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openInPathLocked(const char* fileName, AccessMode mode, 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap) 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Try various combinations of locale and vendor. 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocale != NULL && mVendor != NULL) 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openInLocaleVendorLocked(fileName, mode, ap, mLocale, mVendor); 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL && mVendor != NULL) 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openInLocaleVendorLocked(fileName, mode, ap, NULL, mVendor); 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL && mLocale != NULL) 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openInLocaleVendorLocked(fileName, mode, ap, mLocale, NULL); 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openInLocaleVendorLocked(fileName, mode, ap, NULL, NULL); 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open an asset, searching for it in the directory hierarchy for the 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified locale and vendor. 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We also search in "app.jar". 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in NULL values for "appName", "locale", and "vendor" if the 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * defaults should be used. 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openInLocaleVendorLocked(const char* fileName, AccessMode mode, 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap, const char* locale, const char* vendor) 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type == kFileTypeDirectory) { 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode == CACHE_OFF) { 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* look at the filesystem on disk */ 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(createPathNameLocked(ap, locale, vendor)); 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(fileName); 893c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 excludeName(path); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project excludeName.append(kExcludeExtension); 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (::getFileType(excludeName.string()) != kFileTypeNonexistent) { 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* say no more */ 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("+++ excluding '%s'\n", (const char*) excludeName); 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return kExcludedAsset; 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 901c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 903c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) { 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* try again, this time with ".gz" */ 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.append(".gz"); 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 909c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset->setAssetSource(path); 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* find in cache */ 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(createPathNameLocked(ap, locale, vendor)); 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(fileName); 916c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir::FileInfo tmpInfo; 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool found = false; 919c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 excludeName(path); 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project excludeName.append(kExcludeExtension); 922c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCache.indexOf(excludeName) != NAME_NOT_FOUND) { 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* go no farther */ 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("+++ Excluding '%s'\n", (const char*) excludeName); 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return kExcludedAsset; 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * File compression extensions (".gz") don't get stored in the 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * name cache, so we have to try both here. 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCache.indexOf(path) != NAME_NOT_FOUND) { 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = true; 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) { 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* try again, this time with ".gz" */ 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.append(".gz"); 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromFileLocked(path, mode); 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset->setAssetSource(path); 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't continue the search into the Zip files. Our cached info 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * said it was a file on disk; to be consistent with openDir() 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we want to return the loose asset. If the cached file gets 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * removed, we fail. 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The alternative is to update our cache when files get deleted, 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or make some sort of "best effort" promise, but for now I'm 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * taking the hard line. 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (found) { 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) 9585baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("Expected file not found: '%s'\n", path.string()); 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Either it wasn't found on disk or on the cached view of the disk. 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Dig through the currently-opened set of Zip files. If caching 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is disabled, the Zip file may get reopened. 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL && ap.type == kFileTypeRegular) { 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path; 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath((locale != NULL) ? locale : kDefaultLocale); 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath((vendor != NULL) ? vendor : kDefaultVendor); 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(fileName); 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* check the appropriate Zip file */ 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ZipFileRO* pZip; 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ZipEntryRO entry; 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pZip = getZipFileLocked(ap); 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pZip != NULL) { 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("GOT zip, checking '%s'\n", (const char*) path); 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entry = pZip->findEntryByName(path.string()); 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entry != NULL) { 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("FOUND in Zip file for %s/%s-%s\n", 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // appName, locale, vendor); 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = openAssetFromZipLocked(pZip, entry, mode, path); 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset != NULL) { 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* create a "source" name, for debug/display */ 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset->setAssetSource(createZipSourceNameLocked(ZipSet::getPathName(ap.path.string()), 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8(""), String8(fileName))); 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a "source name" for a file from a Zip archive. 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 AssetManager::createZipSourceNameLocked(const String8& zipFileName, 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& dirName, const String8& fileName) 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 sourceName("zip:"); 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceName.append(zipFileName); 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceName.append(":"); 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirName.length() > 0) { 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceName.appendPath(dirName); 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sourceName.appendPath(fileName); 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sourceName; 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a path to a loose asset (asset-base/app/locale/vendor). 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 AssetManager::createPathNameLocked(const asset_path& ap, const char* locale, 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* vendor) 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(ap.path); 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath((locale != NULL) ? locale : kDefaultLocale); 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath((vendor != NULL) ? vendor : kDefaultVendor); 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return path; 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a path to a loose asset (asset-base/app/rootDir). 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 AssetManager::createPathNameLocked(const asset_path& ap, const char* rootDir) 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path(ap.path); 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rootDir != NULL) path.appendPath(rootDir); 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return path; 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a pointer to one of our open Zip archives. Returns NULL if no 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * matching Zip file exists. 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Right now we have 2 possible Zip files (1 each in app/"common"). 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If caching is set to CACHE_OFF, to get the expected behavior we 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * need to reopen the Zip file on every request. That would be silly 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and expensive, so instead we just check the file modification date. 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in NULL values for "appName", "locale", and "vendor" if the 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * generics should be used. 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectZipFileRO* AssetManager::getZipFileLocked(const asset_path& ap) 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 105471f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("getZipFileLocked() in %p\n", this); 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mZipSet.getZip(ap.path); 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Try to open an asset from a file on disk. 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the file is compressed with gzip, we seek to the start of the 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * deflated data and pass that in (just like we would for a Zip archive). 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For uncompressed data, we may already have an mmap()ed version sitting 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * around. If so, we want to hand that to the Asset instead. 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This returns NULL if the file doesn't exist, couldn't be opened, or 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * claims to be a ".gz" but isn't. 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openAssetFromFileLocked(const String8& pathName, 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AccessMode mode) 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcasecmp(pathName.getPathExtension().string(), ".gz") == 0) { 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("TRYING '%s'\n", (const char*) pathName); 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = Asset::createFromCompressedFile(pathName.string(), mode); 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("TRYING '%s'\n", (const char*) pathName); 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = Asset::createFromFile(pathName.string(), mode); 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Given an entry in a Zip archive, create a new Asset object. 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the entry is uncompressed, we may want to create or share a 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * slice of shared memory. 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::openAssetFromZipLocked(const ZipFileRO* pZipFile, 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const ZipEntryRO entry, AccessMode mode, const String8& entryName) 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* pAsset = NULL; 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: look for previously-created shared memory slice? 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int method; 110068246dcec17c245a434dad70b778960dc5c84af1Kenny Root size_t uncompressedLen; 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("USING Zip '%s'\n", pEntry->getFileName()); 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //pZipFile->getEntryInfo(entry, &method, &uncompressedLen, &compressedLen, 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // &offset); 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!pZipFile->getEntryInfo(entry, &method, &uncompressedLen, NULL, NULL, 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NULL, NULL)) 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 11098564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("getEntryInfo failed\n"); 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FileMap* dataMap = pZipFile->createEntryFileMap(entry); 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dataMap == NULL) { 11158564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("create map from entry failed\n"); 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (method == ZipFileRO::kCompressStored) { 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = Asset::createFromUncompressedMap(dataMap, mode); 112171f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Opened uncompressed entry %s in zip %s mode %d: %p", entryName.string(), 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dataMap->getFileName(), mode, pAsset); 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pAsset = Asset::createFromCompressedMap(dataMap, method, 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uncompressedLen, mode); 112671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Opened compressed entry %s in zip %s mode %d: %p", entryName.string(), 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dataMap->getFileName(), mode, pAsset); 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pAsset == NULL) { 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* unexpected */ 11318564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("create from segment failed\n"); 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pAsset; 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open a directory in the asset namespace. 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An "asset directory" is simply the combination of all files in all 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * locations, with ".gz" stripped for loose files. With app, locale, and 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vendor defined, we have 8 directories and 2 Zip archives to scan. 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in "" for the root dir. 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetDir* AssetManager::openDir(const char* dirName) 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir* pDir = NULL; 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pMergedInfo = NULL; 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(dirName != NULL); 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("+++ openDir(%s) in '%s'\n", dirName, (const char*) mAssetBase); 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheMode != CACHE_OFF && !mCacheValid) 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loadFileNameCacheLocked(); 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pDir = new AssetDir; 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan the various directories, merging what we find into a single 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vector. We want to scan them in reverse priority order so that 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the ".EXCLUDE" processing works correctly. Also, if we decide we 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * want to remember where the file is coming from, we'll get the right 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * version. 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We start with Zip archives, then do loose files. 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo = new SortedVector<AssetDir::FileInfo>; 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t i = mAssetPaths.size(); 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (i > 0) { 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i--; 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap = mAssetPaths.itemAt(i); 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ap.type == kFileTypeRegular) { 118171f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Adding directory %s from zip %s", dirName, ap.path.string()); 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scanAndMergeZipLocked(pMergedInfo, ap, kAssetsRoot, dirName); 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 118471f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Adding directory %s from dir %s", dirName, ap.path.string()); 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scanAndMergeDirLocked(pMergedInfo, ap, kAssetsRoot, dirName); 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("FILE LIST:\n"); 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < (size_t) pMergedInfo->size(); i++) { 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" %d: (%d) '%s'\n", i, 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->itemAt(i).getFileType(), 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (const char*) pMergedInfo->itemAt(i).getFileName()); 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pDir->setFileList(pMergedInfo); 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pDir; 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1203bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * Open a directory in the non-asset namespace. 1204bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * 1205bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * An "asset directory" is simply the combination of all files in all 1206bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * locations, with ".gz" stripped for loose files. With app, locale, and 1207bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * vendor defined, we have 8 directories and 2 Zip archives to scan. 1208bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * 1209bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn * Pass in "" for the root dir. 1210bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn */ 1211bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne HackbornAssetDir* AssetManager::openNonAssetDir(void* cookie, const char* dirName) 1212bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn{ 1213bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn AutoMutex _l(mLock); 1214bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1215bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn AssetDir* pDir = NULL; 1216bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn SortedVector<AssetDir::FileInfo>* pMergedInfo = NULL; 1217bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1218bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); 1219bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn assert(dirName != NULL); 1220bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1221bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn //printf("+++ openDir(%s) in '%s'\n", dirName, (const char*) mAssetBase); 1222bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1223bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn if (mCacheMode != CACHE_OFF && !mCacheValid) 1224bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn loadFileNameCacheLocked(); 1225bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1226bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn pDir = new AssetDir; 1227bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1228bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn pMergedInfo = new SortedVector<AssetDir::FileInfo>; 1229bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1230bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn const size_t which = ((size_t)cookie)-1; 1231bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1232bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn if (which < mAssetPaths.size()) { 1233bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn const asset_path& ap = mAssetPaths.itemAt(which); 1234bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn if (ap.type == kFileTypeRegular) { 123571f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Adding directory %s from zip %s", dirName, ap.path.string()); 1236bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn scanAndMergeZipLocked(pMergedInfo, ap, NULL, dirName); 1237bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn } else { 123871f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Adding directory %s from dir %s", dirName, ap.path.string()); 1239bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn scanAndMergeDirLocked(pMergedInfo, ap, NULL, dirName); 1240bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn } 1241bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn } 1242bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1243bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn#if 0 1244bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn printf("FILE LIST:\n"); 1245bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn for (i = 0; i < (size_t) pMergedInfo->size(); i++) { 1246bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn printf(" %d: (%d) '%s'\n", i, 1247bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn pMergedInfo->itemAt(i).getFileType(), 1248bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn (const char*) pMergedInfo->itemAt(i).getFileName()); 1249bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn } 1250bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn#endif 1251bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1252bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn pDir->setFileList(pMergedInfo); 1253bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn return pDir; 1254bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn} 1255bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn 1256bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn/* 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan the contents of the specified directory and merge them into the 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "pMergedInfo" vector, removing previous entries if we find "exclude" 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * directives. 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns "false" if we found nothing to contribute. 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::scanAndMergeDirLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap, const char* rootDir, const char* dirName) 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pContents; 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 path; 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(pMergedInfo != NULL); 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("scanAndMergeDir: %s %s %s %s\n", appName, locale, vendor,dirName); 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheValid) { 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, start, count; 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents = new SortedVector<AssetDir::FileInfo>; 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the basic partial path and find it in the cache. That's 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the start point for the search. 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path = createPathNameLocked(ap, rootDir); 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirName[0] != '\0') 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(dirName); 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start = mCache.indexOf(path); 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start == NAME_NOT_FOUND) { 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("+++ not found in cache: dir '%s'\n", (const char*) path); 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete pContents; 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The match string looks like "common/default/default/foo/bar/". 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The '/' on the end ensures that we don't match on the directory 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * itself or on ".../foo/barfy/". 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.append("/"); 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count = mCache.size(); 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pick out the stuff in the current dir by examining the pathname. 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It needs to match the partial pathname prefix, and not have a '/' 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (fssep) anywhere after the prefix. 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = start+1; i < count; i++) { 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCache[i].getFileName().length() > path.length() && 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strncmp(mCache[i].getFileName().string(), path.string(), path.length()) == 0) 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* name = mCache[i].getFileName().string(); 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX THIS IS BROKEN! Looks like we need to store the full 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // path prefix separately from the file path. 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strchr(name + path.length(), '/') == NULL) { 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* grab it, reducing path to just the filename component */ 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir::FileInfo tmp = mCache[i]; 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tmp.setFileName(tmp.getFileName().getPathLeaf()); 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents->add(tmp); 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* no longer in the dir or its subdirs */ 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path = createPathNameLocked(ap, rootDir); 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirName[0] != '\0') 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.appendPath(dirName); 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents = scanDirLocked(path); 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pContents == NULL) 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if we wanted to do an incremental cache fill, we would do it here 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Process "exclude" directives. If we find a filename that ends with 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ".EXCLUDE", we look for a matching entry in the "merged" set, and 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remove it if we find it. We also delete the "exclude" entry. 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, count, exclExtLen; 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count = pContents->size(); 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project exclExtLen = strlen(kExcludeExtension); 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < count; i++) { 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* name; 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nameLen; 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name = pContents->itemAt(i).getFileName().string(); 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nameLen = strlen(name); 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nameLen > exclExtLen && 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcmp(name + (nameLen - exclExtLen), kExcludeExtension) == 0) 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 match(name, nameLen - exclExtLen); 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int matchIdx; 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchIdx = AssetDir::FileInfo::findEntry(pMergedInfo, match); 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (matchIdx > 0) { 136071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Excluding '%s' [%s]\n", 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->itemAt(matchIdx).getFileName().string(), 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->itemAt(matchIdx).getSourceName().string()); 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->removeAt(matchIdx); 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("+++ no match on '%s'\n", (const char*) match); 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13685baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("HEY: size=%d removing %d\n", (int)pContents->size(), i); 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents->removeAt(i); 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i--; // adjust "for" loop 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project count--; // and loop limit 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeInfoLocked(pMergedInfo, pContents); 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete pContents; 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan the contents of the specified directory, and stuff what we find 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into a newly-allocated vector. 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Files ending in ".gz" will have their extensions removed. 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We should probably think about skipping files with "illegal" names, 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * e.g. illegal characters (/\:) or excessive length. 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns NULL if the specified directory doesn't exist. 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectSortedVector<AssetDir::FileInfo>* AssetManager::scanDirLocked(const String8& path) 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pContents = NULL; 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dir; 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FileType fileType; 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 140071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Scanning dir '%s'\n", path.string()); 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dir = opendir(path.string()); 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dir == NULL) 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents = new SortedVector<AssetDir::FileInfo>; 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (1) { 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entry = readdir(dir); 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entry == NULL) 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcmp(entry->d_name, ".") == 0 || 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcmp(entry->d_name, "..") == 0) 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef _DIRENT_HAVE_D_TYPE 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entry->d_type == DT_REG) 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileType = kFileTypeRegular; 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (entry->d_type == DT_DIR) 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileType = kFileTypeDirectory; 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileType = kFileTypeUnknown; 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stat the file 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fileType = ::getFileType(path.appendPathCopy(entry->d_name).string()); 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileType != kFileTypeRegular && fileType != kFileTypeDirectory) 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir::FileInfo info; 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.set(String8(entry->d_name), fileType); 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcasecmp(info.getFileName().getPathExtension().string(), ".gz") == 0) 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.setFileName(info.getFileName().getBasePath()); 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.setSourceName(path.appendPathCopy(info.getFileName())); 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents->add(info); 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dir); 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pContents; 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan the contents out of the specified Zip archive, and merge what we 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * find into "pMergedInfo". If the Zip archive in question doesn't exist, 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we return immediately. 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns "false" if we found nothing to contribute. 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::scanAndMergeZipLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap, const char* rootDir, const char* baseDirName) 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ZipFileRO* pZip; 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> dirs; 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir::FileInfo info; 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo> contents; 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 sourceName, zipName, dirName; 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pZip = mZipSet.getZip(ap.path); 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pZip == NULL) { 14628564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Failure opening zip %s\n", ap.path.string()); 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project zipName = ZipSet::getPathName(ap.path.string()); 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* convert "sounds" to "rootDir/sounds" */ 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rootDir != NULL) dirName = rootDir; 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dirName.appendPath(baseDirName); 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan through the list of files, looking for a match. The files in 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the Zip table of contents are not in sorted order, so we have to 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * process the entire list. We're looking for a string that begins 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with the characters in "dirName", is followed by a '/', and has no 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * subsequent '/' in the stuff that follows. 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * What makes this especially fun is that directories are not stored 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * explicitly in Zip archives, so we have to infer them from context. 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When we see "sounds/foo.wav" we have to leave a note to ourselves 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to insert a directory called "sounds" into the list. We store 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * these in temporary vector so that we only return each one once. 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Name comparisons are case-sensitive to match UNIX filesystem 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semantics. 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dirNameLen = dirName.length(); 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < pZip->getNumEntries(); i++) { 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ZipEntryRO entry; 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char nameBuf[256]; 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entry = pZip->findEntryByIndex(i); 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pZip->getEntryFileName(entry, nameBuf, sizeof(nameBuf)) != 0) { 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: fix this if we expect to have long names 14963762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("ARGH: name too long?\n"); 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1499bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn //printf("Comparing %s in %s?\n", nameBuf, dirName.string()); 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirNameLen == 0 || 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (strncmp(nameBuf, dirName.string(), dirNameLen) == 0 && 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nameBuf[dirNameLen] == '/')) 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* cp; 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* nextSlash; 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cp = nameBuf + dirNameLen; 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirNameLen != 0) 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cp++; // advance past the '/' 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nextSlash = strchr(cp, '/'); 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//xxx this may break if there are bare directory entries 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nextSlash == NULL) { 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* this is a file in the requested directory */ 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.set(String8(nameBuf).getPathLeaf(), kFileTypeRegular); 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.setSourceName( 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createZipSourceNameLocked(zipName, dirName, info.getFileName())); 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contents.add(info); 1522bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn //printf("FOUND: file '%s'\n", info.getFileName().string()); 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* this is a subdir; add it if we don't already have it*/ 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 subdirName(cp, nextSlash - cp); 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t j; 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t N = dirs.size(); 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < N; j++) { 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (subdirName == dirs[j]) { 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (j == N) { 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dirs.add(subdirName); 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1538bb9ea30ea9e390e69602935571795d2c80dc7b91Dianne Hackborn //printf("FOUND: dir '%s'\n", subdirName.string()); 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add the set of unique directories. 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < (int) dirs.size(); i++) { 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.set(dirs[i], kFileTypeDirectory); 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info.setSourceName( 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createZipSourceNameLocked(zipName, dirName, info.getFileName())); 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contents.add(info); 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeInfoLocked(pMergedInfo, &contents); 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Merge two vectors of FileInfo. 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The merged contents will be stuffed into *pMergedInfo. 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If an entry for a file exists in both "pMergedInfo" and "pContents", 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we use the newer "pContents" entry. 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::mergeInfoLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const SortedVector<AssetDir::FileInfo>* pContents) 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Merge what we found in this directory with what we found in 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * other places. 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Two basic approaches: 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (1) Create a new array that holds the unique values of the two 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * arrays. 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (2) Take the elements from pContents and shove them into pMergedInfo. 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Because these are vectors of complex objects, moving elements around 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * inside the vector requires constructing new objects and allocating 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * storage for members. With approach #1, we're always adding to the 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * end, whereas with #2 we could be inserting multiple elements at the 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * front of the vector. Approach #1 requires a full copy of the 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * contents of pMergedInfo, but approach #2 requires the same copy for 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * every insertion at the front of pMergedInfo. 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (We should probably use a SortedVector interface that allows us to 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just stuff items in, trusting us to maintain the sort order.) 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pNewSorted; 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mergeMax, contMax; 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mergeIdx, contIdx; 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted = new SortedVector<AssetDir::FileInfo>; 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeMax = pMergedInfo->size(); 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contMax = pContents->size(); 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeIdx = contIdx = 0; 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mergeIdx < mergeMax || contIdx < contMax) { 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mergeIdx == mergeMax) { 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* hit end of "merge" list, copy rest of "contents" */ 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted->add(pContents->itemAt(contIdx)); 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contIdx++; 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (contIdx == contMax) { 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* hit end of "cont" list, copy rest of "merge" */ 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted->add(pMergedInfo->itemAt(mergeIdx)); 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeIdx++; 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (pMergedInfo->itemAt(mergeIdx) == pContents->itemAt(contIdx)) 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* items are identical, add newer and advance both indices */ 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted->add(pContents->itemAt(contIdx)); 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeIdx++; 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contIdx++; 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (pMergedInfo->itemAt(mergeIdx) < pContents->itemAt(contIdx)) 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* "merge" is lower, add that one */ 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted->add(pMergedInfo->itemAt(mergeIdx)); 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeIdx++; 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* "cont" is lower, add that one */ 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(pContents->itemAt(contIdx) < pMergedInfo->itemAt(mergeIdx)); 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pNewSorted->add(pContents->itemAt(contIdx)); 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project contIdx++; 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Overwrite the "merged" list with the new stuff. 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *pMergedInfo = *pNewSorted; 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete pNewSorted; 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 // for Vector, rather than SortedVector 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, j; 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = pContents->size() -1; i >= 0; i--) { 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool add = true; 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = pMergedInfo->size() -1; j >= 0; j--) { 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* case-sensitive comparisons, to behave like UNIX fs */ 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcmp(pContents->itemAt(i).mFileName, 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->itemAt(j).mFileName) == 0) 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* match, don't add this entry */ 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project add = false; 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (add) 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pMergedInfo->add(pContents->itemAt(i)); 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Load all files into the file name cache. We want to do this across 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all combinations of { appname, locale, vendor }, performing a recursive 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * directory traversal. 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is not the most efficient data structure. Also, gathering the 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * information as we needed it (file-by-file or directory-by-directory) 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * would be faster. However, on the actual device, 99% of the files will 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * live in Zip archives, so this list will be very small. The trouble 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is that we have to check the "loose" files first, so it's important 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that we don't beat the filesystem silly looking for files that aren't 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there. 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note on thread safety: this is the only function that causes updates 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to mCache, and anybody who tries to use it will call here if !mCacheValid, 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so we need to employ a mutex here. 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::loadFileNameCacheLocked(void) 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(!mCacheValid); 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(mCache.size() == 0); 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef DO_TIMINGS // need to link against -lrt for this now 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DurationTimer timer; 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timer.start(); 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanLocked(&mCache, ""); 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef DO_TIMINGS 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timer.stop(); 16875baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("Cache scan took %.3fms\n", 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timer.durationUsecs() / 1000.0); 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("CACHED FILE LIST (%d entries):\n", mCache.size()); 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < (int) mCache.size(); i++) { 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" %d: (%d) '%s'\n", i, 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCache.itemAt(i).getFileType(), 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (const char*) mCache.itemAt(i).getFileName()); 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCacheValid = true; 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan up to 8 versions of the specified directory. 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::fncScanLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* dirName) 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t i = mAssetPaths.size(); 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (i > 0) { 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i--; 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap = mAssetPaths.itemAt(i); 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanAndMergeDirLocked(pMergedInfo, ap, NULL, NULL, dirName); 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocale != NULL) 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanAndMergeDirLocked(pMergedInfo, ap, mLocale, NULL, dirName); 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVendor != NULL) 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanAndMergeDirLocked(pMergedInfo, ap, NULL, mVendor, dirName); 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocale != NULL && mVendor != NULL) 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanAndMergeDirLocked(pMergedInfo, ap, mLocale, mVendor, dirName); 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Recursively scan this directory and all subdirs. 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is similar to scanAndMergeDir, but we don't remove the .EXCLUDE 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * files, and we prepend the extended partial path to the filenames. 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::fncScanAndMergeDirLocked( 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pMergedInfo, 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const asset_path& ap, const char* locale, const char* vendor, 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* dirName) 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<AssetDir::FileInfo>* pContents; 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 partialPath; 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 fullPath; 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX This is broken -- the filename cache needs to hold the base 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // asset path separately from its filename. 1741c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project partialPath = createPathNameLocked(ap, locale, vendor); 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirName[0] != '\0') { 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project partialPath.appendPath(dirName); 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fullPath = partialPath; 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents = scanDirLocked(fullPath); 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pContents == NULL) { 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; // directory did not exist 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Scan all subdirectories of the current dir, merging what we find 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into "pMergedInfo". 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < (int) pContents->size(); i++) { 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pContents->itemAt(i).getFileType() == kFileTypeDirectory) { 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 subdir(dirName); 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project subdir.appendPath(pContents->itemAt(i).getFileName()); 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fncScanAndMergeDirLocked(pMergedInfo, ap, locale, vendor, subdir.string()); 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * To be consistent, we want entries for the root directory. If 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we're the root, add one now. 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirName[0] == '\0') { 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AssetDir::FileInfo tmpInfo; 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tmpInfo.set(String8(""), kFileTypeDirectory); 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tmpInfo.setSourceName(createPathNameLocked(ap, locale, vendor)); 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents->add(tmpInfo); 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We want to prepend the extended partial path to every entry in 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "pContents". It's the same value for each entry, so this will 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not change the sorting order of the vector contents. 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < (int) pContents->size(); i++) { 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const AssetDir::FileInfo& info = pContents->itemAt(i); 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pContents->editItemAt(i).setFileName(partialPath.appendPathCopy(info.getFileName())); 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mergeInfoLocked(pMergedInfo, pContents); 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Trash the cache. 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::purgeFileNameCacheLocked(void) 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCacheValid = false; 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCache.clear(); 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AssetManager::SharedZip 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectMutex AssetManager::SharedZip::gLock; 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectDefaultKeyedVector<String8, wp<AssetManager::SharedZip> > AssetManager::SharedZip::gOpen; 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::SharedZip::SharedZip(const String8& path, time_t modWhen) 181278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn : mPath(path), mZipFile(NULL), mModWhen(modWhen), 181378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mResourceTableAsset(NULL), mResourceTable(NULL) 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18156215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Creating SharedZip %p %s\n", this, (const char*)mPath); 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipFile = new ZipFileRO; 181771f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("+++ opening zip '%s'\n", mPath.string()); 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mZipFile->open(mPath.string()) != NO_ERROR) { 18195baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("failed to open Zip archive '%s'\n", mPath.string()); 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mZipFile; 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipFile = NULL; 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<AssetManager::SharedZip> AssetManager::SharedZip::get(const String8& path) 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(gLock); 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project time_t modWhen = getFileModDate(path); 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<SharedZip> zip = gOpen.valueFor(path).promote(); 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (zip != NULL && zip->mModWhen == modWhen) { 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return zip; 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project zip = new SharedZip(path, modWhen); 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gOpen.add(path, zip); 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return zip; 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectZipFileRO* AssetManager::SharedZip::getZip() 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mZipFile; 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::SharedZip::getResourceTableAsset() 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 184671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Getting from SharedZip %p resource asset %p\n", this, mResourceTableAsset); 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mResourceTableAsset; 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAsset* AssetManager::SharedZip::setResourceTableAsset(Asset* asset) 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(gLock); 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResourceTableAsset == NULL) { 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResourceTableAsset = asset; 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is not thread safe the first time it is called, so 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // do it here with the global lock held. 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project asset->getBuffer(true); 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return asset; 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete asset; 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mResourceTableAsset; 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 186678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornResTable* AssetManager::SharedZip::getResourceTable() 186778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn{ 186871f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Getting from SharedZip %p resource table %p\n", this, mResourceTable); 186978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn return mResourceTable; 187078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn} 187178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn 187278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornResTable* AssetManager::SharedZip::setResourceTable(ResTable* res) 187378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn{ 187478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn { 187578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn AutoMutex _l(gLock); 187678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (mResourceTable == NULL) { 187778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mResourceTable = res; 187878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn return res; 187978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 188078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 188178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn delete res; 188278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn return mResourceTable; 188378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn} 188478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::SharedZip::isUpToDate() 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project time_t modWhen = getFileModDate(mPath.string()); 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mModWhen == modWhen; 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::SharedZip::~SharedZip() 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 18936215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Destroying SharedZip %p %s\n", this, (const char*)mPath); 189478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (mResourceTable != NULL) { 189578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn delete mResourceTable; 189678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResourceTableAsset != NULL) { 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mResourceTableAsset; 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mZipFile != NULL) { 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mZipFile; 190271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Closed '%s'\n", mPath.string()); 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 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 * AssetManager::ZipSet 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * =========================================================================== 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor. 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::ZipSet::ZipSet(void) 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Destructor. Close any open archives. 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAssetManager::ZipSet::~ZipSet(void) 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t N = mZipFile.size(); 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i = 0; i < N; i++) 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closeZip(i); 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close a Zip file and reset the entry. 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AssetManager::ZipSet::closeZip(int idx) 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipFile.editItemAt(idx) = NULL; 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve the appropriate Zip file from the set. 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectZipFileRO* AssetManager::ZipSet::getZip(const String8& path) 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int idx = getIndex(path); 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<SharedZip> zip = mZipFile[idx]; 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (zip == NULL) { 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project zip = SharedZip::get(path); 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipFile.editItemAt(idx) = zip; 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return zip->getZip(); 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 195278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornAsset* AssetManager::ZipSet::getZipResourceTableAsset(const String8& path) 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int idx = getIndex(path); 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<SharedZip> zip = mZipFile[idx]; 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (zip == NULL) { 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project zip = SharedZip::get(path); 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipFile.editItemAt(idx) = zip; 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return zip->getResourceTableAsset(); 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 196378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornAsset* AssetManager::ZipSet::setZipResourceTableAsset(const String8& path, 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* asset) 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int idx = getIndex(path); 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<SharedZip> zip = mZipFile[idx]; 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // doesn't make sense to call before previously accessing. 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return zip->setResourceTableAsset(asset); 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 197278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornResTable* AssetManager::ZipSet::getZipResourceTable(const String8& path) 197378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn{ 197478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn int idx = getIndex(path); 197578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn sp<SharedZip> zip = mZipFile[idx]; 197678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn if (zip == NULL) { 197778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn zip = SharedZip::get(path); 197878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn mZipFile.editItemAt(idx) = zip; 197978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn } 198078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn return zip->getResourceTable(); 198178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn} 198278c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn 198378c405178c57bb45e40f1e2839d6a18d91f7f02cDianne HackbornResTable* AssetManager::ZipSet::setZipResourceTable(const String8& path, 198478c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn ResTable* res) 198578c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn{ 198678c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn int idx = getIndex(path); 198778c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn sp<SharedZip> zip = mZipFile[idx]; 198878c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn // doesn't make sense to call before previously accessing. 198978c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn return zip->setResourceTable(res); 199078c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn} 199178c405178c57bb45e40f1e2839d6a18d91f7f02cDianne Hackborn 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Generate the partial pathname for the specified archive. The caller 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * gets to prepend the asset root directory. 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns something like "common/en-US-noogle.jar". 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/*static*/ String8 AssetManager::ZipSet::getPathName(const char* zipPath) 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(zipPath); 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AssetManager::ZipSet::isUpToDate() 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = mZipFile.size(); 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mZipFile[i] != NULL && !mZipFile[i]->isUpToDate()) { 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compute the zip file's index. 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "appName", "locale", and "vendor" should be set to NULL to indicate the 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default directory. 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AssetManager::ZipSet::getIndex(const String8& zip) const 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = mZipPath.size(); 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mZipPath[i] == zip) { 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return i; 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipPath.add(zip); 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZipFile.add(NULL); 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mZipPath.size()-1; 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2034