893 lines
37 KiB
Java
893 lines
37 KiB
Java
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/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.content.res;
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import static android.os.SystemProperties.PROP_VALUE_MAX;
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import android.annotation.NonNull;
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import android.util.Pools.SimplePool;
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import android.util.Slog;
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import androidx.annotation.StyleableRes;
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import com.android.internal.R;
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import java.util.Set;
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/**
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* Defines the string attribute length and child tag count restrictions for a xml element.
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*
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* {@hide}
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*/
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public class Element {
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private static final int DEFAULT_MAX_STRING_ATTR_LENGTH = 32_768;
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private static final int MAX_POOL_SIZE = 128;
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private static final int MAX_ATTR_LEN_URL_COMPONENT = 256;
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private static final int MAX_ATTR_LEN_PERMISSION_GROUP = 256;
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private static final int MAX_ATTR_LEN_PACKAGE = 256;
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/**
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* The mime type max length restriction here should match the restriction that is also
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* placed in {@link android.content.pm.PackageManager#setMimeGroup(String, Set)}
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*/
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private static final int MAX_ATTR_LEN_MIMETYPE = 255;
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private static final int MAX_ATTR_LEN_NAME = 1024;
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private static final int MAX_ATTR_LEN_PATH = 4000;
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private static final int MAX_ATTR_LEN_VALUE = 32_768;
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private static final int MAX_TOTAL_META_DATA_SIZE = 262_144;
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private static final String BAD_COMPONENT_NAME_CHARS = ";,[](){}:?%^*|/\\";
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private static final String TAG = "PackageParsing";
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protected static final String TAG_ACTION = "action";
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protected static final String TAG_ACTIVITY = "activity";
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protected static final String TAG_ADOPT_PERMISSIONS = "adopt-permissions";
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protected static final String TAG_ACTIVITY_ALIAS = "activity-alias";
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protected static final String TAG_APPLICATION = "application";
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protected static final String TAG_ATTRIBUTION = "attribution";
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protected static final String TAG_CATEGORY = "category";
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protected static final String TAG_COMPATIBLE_SCREENS = "compatible-screens";
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protected static final String TAG_DATA = "data";
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protected static final String TAG_EAT_COMMENT = "eat-comment";
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protected static final String TAG_FEATURE_GROUP = "feature-group";
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protected static final String TAG_GRANT_URI_PERMISSION = "grant-uri-permission";
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protected static final String TAG_INSTRUMENTATION = "instrumentation";
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protected static final String TAG_INTENT = "intent";
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protected static final String TAG_INTENT_FILTER = "intent-filter";
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protected static final String TAG_KEY_SETS = "key-sets";
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protected static final String TAG_LAYOUT = "layout";
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protected static final String TAG_MANIFEST = "manifest";
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protected static final String TAG_META_DATA = "meta-data";
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protected static final String TAG_ORIGINAL_PACKAGE = "original-package";
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protected static final String TAG_OVERLAY = "overlay";
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protected static final String TAG_PACKAGE = "package";
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protected static final String TAG_PACKAGE_VERIFIER = "package-verifier";
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protected static final String TAG_PATH_PERMISSION = "path-permission";
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protected static final String TAG_PERMISSION = "permission";
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protected static final String TAG_PERMISSION_GROUP = "permission-group";
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protected static final String TAG_PERMISSION_TREE = "permission-tree";
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protected static final String TAG_PROFILEABLE = "profileable";
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protected static final String TAG_PROTECTED_BROADCAST = "protected-broadcast";
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protected static final String TAG_PROPERTY = "property";
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protected static final String TAG_PROVIDER = "provider";
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protected static final String TAG_QUERIES = "queries";
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protected static final String TAG_RECEIVER = "receiver";
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protected static final String TAG_RESTRICT_UPDATE = "restrict-update";
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protected static final String TAG_SCREEN = "screen";
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protected static final String TAG_SERVICE = "service";
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protected static final String TAG_SUPPORT_SCREENS = "supports-screens";
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protected static final String TAG_SUPPORTS_GL_TEXTURE = "supports-gl-texture";
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protected static final String TAG_SUPPORTS_INPUT = "supports-input";
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protected static final String TAG_SUPPORTS_SCREENS = "supports-screens";
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protected static final String TAG_URI_RELATIVE_FILTER_GROUP = "uri-relative-filter-group";
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protected static final String TAG_USES_CONFIGURATION = "uses-configuration";
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protected static final String TAG_USES_FEATURE = "uses-feature";
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protected static final String TAG_USES_GL_TEXTURE = "uses-gl-texture";
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protected static final String TAG_USES_LIBRARY = "uses-library";
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protected static final String TAG_USES_NATIVE_LIBRARY = "uses-native-library";
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protected static final String TAG_USES_PERMISSION = "uses-permission";
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protected static final String TAG_USES_PERMISSION_SDK_23 = "uses-permission-sdk-23";
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protected static final String TAG_USES_PERMISSION_SDK_M = "uses-permission-sdk-m";
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protected static final String TAG_USES_SDK = "uses-sdk";
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protected static final String TAG_USES_SPLIT = "uses-split";
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protected static final String TAG_ATTR_BACKUP_AGENT = "backupAgent";
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protected static final String TAG_ATTR_CATEGORY = "category";
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protected static final String TAG_ATTR_FRAGMENT = "fragment";
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protected static final String TAG_ATTR_FRAGMENT_ADVANCED_PATTERN = "fragmentAdvancedPattern";
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protected static final String TAG_ATTR_FRAGMENT_PATTERN = "fragmentPattern";
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protected static final String TAG_ATTR_FRAGMENT_PREFIX = "fragmentPrefix";
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protected static final String TAG_ATTR_FRAGMENT_SUFFIX = "fragmentSuffix";
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protected static final String TAG_ATTR_HOST = "host";
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protected static final String TAG_ATTR_MANAGE_SPACE_ACTIVITY = "manageSpaceActivity";
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protected static final String TAG_ATTR_MIMETYPE = "mimeType";
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protected static final String TAG_ATTR_MIMEGROUP = "mimeGroup";
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protected static final String TAG_ATTR_NAME = "name";
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protected static final String TAG_ATTR_PACKAGE = "package";
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protected static final String TAG_ATTR_PATH = "path";
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protected static final String TAG_ATTR_PATH_ADVANCED_PATTERN = "pathAdvancedPattern";
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protected static final String TAG_ATTR_PATH_PATTERN = "pathPattern";
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protected static final String TAG_ATTR_PATH_PREFIX = "pathPrefix";
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protected static final String TAG_ATTR_PATH_SUFFIX = "pathSuffix";
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protected static final String TAG_ATTR_PARENT_ACTIVITY_NAME = "parentActivityName";
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protected static final String TAG_ATTR_PERMISSION = "permission";
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protected static final String TAG_ATTR_PERMISSION_GROUP = "permissionGroup";
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protected static final String TAG_ATTR_PORT = "port";
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protected static final String TAG_ATTR_PROCESS = "process";
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protected static final String TAG_ATTR_QUERY = "query";
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protected static final String TAG_ATTR_QUERY_ADVANCED_PATTERN = "queryAdvancedPattern";
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protected static final String TAG_ATTR_QUERY_PATTERN = "queryPattern";
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protected static final String TAG_ATTR_QUERY_PREFIX = "queryPrefix";
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protected static final String TAG_ATTR_QUERY_SUFFIX = "querySuffix";
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protected static final String TAG_ATTR_READ_PERMISSION = "readPermission";
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protected static final String TAG_ATTR_REQUIRED_ACCOUNT_TYPE = "requiredAccountType";
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protected static final String TAG_ATTR_REQUIRED_SYSTEM_PROPERTY_NAME =
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"requiredSystemPropertyName";
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protected static final String TAG_ATTR_REQUIRED_SYSTEM_PROPERTY_VALUE =
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"requiredSystemPropertyValue";
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protected static final String TAG_ATTR_RESTRICTED_ACCOUNT_TYPE = "restrictedAccountType";
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protected static final String TAG_ATTR_SCHEME = "scheme";
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protected static final String TAG_ATTR_SHARED_USER_ID = "sharedUserId";
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protected static final String TAG_ATTR_TARGET_ACTIVITY = "targetActivity";
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protected static final String TAG_ATTR_TARGET_NAME = "targetName";
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protected static final String TAG_ATTR_TARGET_PACKAGE = "targetPackage";
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protected static final String TAG_ATTR_TARGET_PROCESSES = "targetProcesses";
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protected static final String TAG_ATTR_TASK_AFFINITY = "taskAffinity";
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protected static final String TAG_ATTR_VALUE = "value";
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protected static final String TAG_ATTR_VERSION_NAME = "versionName";
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protected static final String TAG_ATTR_WRITE_PERMISSION = "writePermission";
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protected static final String TAG_ATTR_ZYGOTE_PRELOAD_NAME = "zygotePreloadName";
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// The length of mTagCounters corresponds to the number of tags defined in getCounterIdx. If new
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// tags are added then the size here should be increased to match.
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private final TagCounter[] mTagCounters = new TagCounter[35];
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String mTag;
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private static final ThreadLocal<SimplePool<Element>> sPool =
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ThreadLocal.withInitial(() -> new SimplePool<>(MAX_POOL_SIZE));
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@NonNull
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static Element obtain(@NonNull String tag) {
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Element element = sPool.get().acquire();
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if (element == null) {
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element = new Element();
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}
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element.init(tag);
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return element;
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}
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void recycle() {
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mTag = null;
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sPool.get().release(this);
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}
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private long mChildTagMask = 0;
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private int mTotalComponentMetadataSize = 0;
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private static int getCounterIdx(String tag) {
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switch(tag) {
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case TAG_LAYOUT:
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return 0;
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case TAG_META_DATA:
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return 1;
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case TAG_INTENT_FILTER:
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return 2;
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case TAG_PROFILEABLE:
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return 3;
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case TAG_USES_NATIVE_LIBRARY:
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return 4;
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case TAG_RECEIVER:
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return 5;
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case TAG_SERVICE:
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return 6;
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case TAG_ACTIVITY_ALIAS:
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return 7;
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case TAG_USES_LIBRARY:
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return 8;
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case TAG_PROVIDER:
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return 9;
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case TAG_ACTIVITY:
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return 10;
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case TAG_ACTION:
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return 11;
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case TAG_CATEGORY:
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return 12;
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case TAG_DATA:
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return 13;
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case TAG_APPLICATION:
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return 14;
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case TAG_OVERLAY:
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return 15;
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case TAG_INSTRUMENTATION:
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return 16;
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case TAG_PERMISSION_GROUP:
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return 17;
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case TAG_PERMISSION_TREE:
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return 18;
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case TAG_SUPPORTS_GL_TEXTURE:
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return 19;
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case TAG_SUPPORTS_SCREENS:
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return 20;
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case TAG_USES_CONFIGURATION:
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return 21;
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case TAG_USES_SDK:
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return 22;
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case TAG_COMPATIBLE_SCREENS:
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return 23;
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case TAG_QUERIES:
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return 24;
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case TAG_ATTRIBUTION:
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return 25;
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case TAG_USES_FEATURE:
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return 26;
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case TAG_PERMISSION:
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return 27;
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case TAG_USES_PERMISSION:
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case TAG_USES_PERMISSION_SDK_23:
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case TAG_USES_PERMISSION_SDK_M:
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return 28;
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case TAG_GRANT_URI_PERMISSION:
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return 29;
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case TAG_PATH_PERMISSION:
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return 30;
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case TAG_PACKAGE:
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return 31;
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case TAG_INTENT:
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return 32;
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case TAG_URI_RELATIVE_FILTER_GROUP:
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return 33;
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default:
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// The size of the mTagCounters array should be equal to this value+1
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return 34;
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}
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}
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static boolean shouldValidate(String tag) {
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switch (tag) {
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case TAG_ACTION:
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case TAG_ACTIVITY:
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case TAG_ACTIVITY_ALIAS:
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case TAG_APPLICATION:
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case TAG_ATTRIBUTION:
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case TAG_CATEGORY:
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case TAG_COMPATIBLE_SCREENS:
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case TAG_DATA:
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case TAG_GRANT_URI_PERMISSION:
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case TAG_INSTRUMENTATION:
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case TAG_INTENT:
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case TAG_INTENT_FILTER:
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case TAG_LAYOUT:
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case TAG_MANIFEST:
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case TAG_META_DATA:
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case TAG_OVERLAY:
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case TAG_PACKAGE:
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case TAG_PATH_PERMISSION:
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case TAG_PERMISSION:
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case TAG_PERMISSION_GROUP:
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case TAG_PERMISSION_TREE:
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case TAG_PROFILEABLE:
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case TAG_PROPERTY:
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case TAG_PROVIDER:
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case TAG_QUERIES:
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case TAG_RECEIVER:
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case TAG_SCREEN:
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case TAG_SERVICE:
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case TAG_SUPPORTS_GL_TEXTURE:
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case TAG_SUPPORTS_SCREENS:
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case TAG_URI_RELATIVE_FILTER_GROUP:
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case TAG_USES_CONFIGURATION:
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case TAG_USES_FEATURE:
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case TAG_USES_LIBRARY:
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case TAG_USES_NATIVE_LIBRARY:
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case TAG_USES_PERMISSION:
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case TAG_USES_PERMISSION_SDK_23:
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case TAG_USES_PERMISSION_SDK_M:
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case TAG_USES_SDK:
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return true;
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default:
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return false;
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}
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}
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private void init(String tag) {
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this.mTag = tag;
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mChildTagMask = 0;
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mTotalComponentMetadataSize = 0;
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switch (tag) {
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case TAG_ACTIVITY:
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initializeCounter(TAG_LAYOUT, 1000);
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initializeCounter(TAG_META_DATA, 1000);
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initializeCounter(TAG_INTENT_FILTER, 20000);
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break;
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case TAG_ACTIVITY_ALIAS:
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case TAG_RECEIVER:
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case TAG_SERVICE:
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initializeCounter(TAG_META_DATA, 1000);
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initializeCounter(TAG_INTENT_FILTER, 20000);
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break;
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case TAG_APPLICATION:
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initializeCounter(TAG_PROFILEABLE, 100);
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initializeCounter(TAG_USES_NATIVE_LIBRARY, 100);
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initializeCounter(TAG_RECEIVER, 1000);
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initializeCounter(TAG_SERVICE, 1000);
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initializeCounter(TAG_META_DATA, 1000);
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initializeCounter(TAG_USES_LIBRARY, 1000);
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initializeCounter(TAG_ACTIVITY_ALIAS, 4000);
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initializeCounter(TAG_PROVIDER, 8000);
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initializeCounter(TAG_ACTIVITY, 30000);
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break;
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case TAG_COMPATIBLE_SCREENS:
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initializeCounter(TAG_SCREEN, 4000);
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break;
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case TAG_INTENT:
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case TAG_INTENT_FILTER:
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initializeCounter(TAG_URI_RELATIVE_FILTER_GROUP, 100);
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initializeCounter(TAG_ACTION, 20000);
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|
|
initializeCounter(TAG_CATEGORY, 40000);
|
||
|
|
initializeCounter(TAG_DATA, 40000);
|
||
|
|
break;
|
||
|
|
case TAG_MANIFEST:
|
||
|
|
initializeCounter(TAG_APPLICATION, 100);
|
||
|
|
initializeCounter(TAG_OVERLAY, 100);
|
||
|
|
initializeCounter(TAG_INSTRUMENTATION, 100);
|
||
|
|
initializeCounter(TAG_PERMISSION_GROUP, 100);
|
||
|
|
initializeCounter(TAG_PERMISSION_TREE, 100);
|
||
|
|
initializeCounter(TAG_SUPPORTS_GL_TEXTURE, 100);
|
||
|
|
initializeCounter(TAG_SUPPORTS_SCREENS, 100);
|
||
|
|
initializeCounter(TAG_USES_CONFIGURATION, 100);
|
||
|
|
initializeCounter(TAG_USES_SDK, 100);
|
||
|
|
initializeCounter(TAG_COMPATIBLE_SCREENS, 200);
|
||
|
|
initializeCounter(TAG_QUERIES, 200);
|
||
|
|
initializeCounter(TAG_ATTRIBUTION, 400);
|
||
|
|
initializeCounter(TAG_USES_FEATURE, 400);
|
||
|
|
initializeCounter(TAG_PERMISSION, 2000);
|
||
|
|
initializeCounter(TAG_USES_PERMISSION, 20000);
|
||
|
|
break;
|
||
|
|
case TAG_PROVIDER:
|
||
|
|
initializeCounter(TAG_GRANT_URI_PERMISSION, 100);
|
||
|
|
initializeCounter(TAG_PATH_PERMISSION, 100);
|
||
|
|
initializeCounter(TAG_META_DATA, 1000);
|
||
|
|
initializeCounter(TAG_INTENT_FILTER, 20000);
|
||
|
|
break;
|
||
|
|
case TAG_QUERIES:
|
||
|
|
initializeCounter(TAG_PACKAGE, 1000);
|
||
|
|
initializeCounter(TAG_INTENT, 2000);
|
||
|
|
initializeCounter(TAG_PROVIDER, 8000);
|
||
|
|
break;
|
||
|
|
case TAG_URI_RELATIVE_FILTER_GROUP:
|
||
|
|
initializeCounter(TAG_DATA, 100);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getAttrStrMaxLen(String attrName) {
|
||
|
|
switch (attrName) {
|
||
|
|
case TAG_ATTR_HOST:
|
||
|
|
case TAG_ATTR_PORT:
|
||
|
|
case TAG_ATTR_SCHEME:
|
||
|
|
return MAX_ATTR_LEN_URL_COMPONENT;
|
||
|
|
case TAG_ATTR_PERMISSION_GROUP:
|
||
|
|
return MAX_ATTR_LEN_PERMISSION_GROUP;
|
||
|
|
case TAG_ATTR_SHARED_USER_ID:
|
||
|
|
case TAG_ATTR_PACKAGE:
|
||
|
|
case TAG_ATTR_TARGET_PACKAGE:
|
||
|
|
return MAX_ATTR_LEN_PACKAGE;
|
||
|
|
case TAG_ATTR_MIMETYPE:
|
||
|
|
return MAX_ATTR_LEN_MIMETYPE;
|
||
|
|
case TAG_ATTR_BACKUP_AGENT:
|
||
|
|
case TAG_ATTR_CATEGORY:
|
||
|
|
case TAG_ATTR_MANAGE_SPACE_ACTIVITY:
|
||
|
|
case TAG_ATTR_MIMEGROUP:
|
||
|
|
case TAG_ATTR_NAME:
|
||
|
|
case TAG_ATTR_PARENT_ACTIVITY_NAME:
|
||
|
|
case TAG_ATTR_PERMISSION:
|
||
|
|
case TAG_ATTR_PROCESS:
|
||
|
|
case TAG_ATTR_READ_PERMISSION:
|
||
|
|
case TAG_ATTR_REQUIRED_ACCOUNT_TYPE:
|
||
|
|
case TAG_ATTR_REQUIRED_SYSTEM_PROPERTY_NAME:
|
||
|
|
case TAG_ATTR_RESTRICTED_ACCOUNT_TYPE:
|
||
|
|
case TAG_ATTR_TARGET_ACTIVITY:
|
||
|
|
case TAG_ATTR_TARGET_NAME:
|
||
|
|
case TAG_ATTR_TARGET_PROCESSES:
|
||
|
|
case TAG_ATTR_TASK_AFFINITY:
|
||
|
|
case TAG_ATTR_WRITE_PERMISSION:
|
||
|
|
case TAG_ATTR_VERSION_NAME:
|
||
|
|
case TAG_ATTR_ZYGOTE_PRELOAD_NAME:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
case TAG_ATTR_FRAGMENT:
|
||
|
|
case TAG_ATTR_FRAGMENT_ADVANCED_PATTERN:
|
||
|
|
case TAG_ATTR_FRAGMENT_PATTERN:
|
||
|
|
case TAG_ATTR_FRAGMENT_PREFIX:
|
||
|
|
case TAG_ATTR_FRAGMENT_SUFFIX:
|
||
|
|
case TAG_ATTR_PATH:
|
||
|
|
case TAG_ATTR_PATH_ADVANCED_PATTERN:
|
||
|
|
case TAG_ATTR_PATH_PATTERN:
|
||
|
|
case TAG_ATTR_PATH_PREFIX:
|
||
|
|
case TAG_ATTR_PATH_SUFFIX:
|
||
|
|
case TAG_ATTR_QUERY:
|
||
|
|
case TAG_ATTR_QUERY_ADVANCED_PATTERN:
|
||
|
|
case TAG_ATTR_QUERY_PATTERN:
|
||
|
|
case TAG_ATTR_QUERY_PREFIX:
|
||
|
|
case TAG_ATTR_QUERY_SUFFIX:
|
||
|
|
return MAX_ATTR_LEN_PATH;
|
||
|
|
case TAG_ATTR_VALUE:
|
||
|
|
return MAX_ATTR_LEN_VALUE;
|
||
|
|
case TAG_ATTR_REQUIRED_SYSTEM_PROPERTY_VALUE:
|
||
|
|
return PROP_VALUE_MAX;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private int getResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (mTag) {
|
||
|
|
case TAG_ACTION:
|
||
|
|
return getActionResStrMaxLen(index);
|
||
|
|
case TAG_ACTIVITY:
|
||
|
|
return getActivityResStrMaxLen(index);
|
||
|
|
case TAG_ACTIVITY_ALIAS:
|
||
|
|
return getActivityAliasResStrMaxLen(index);
|
||
|
|
case TAG_APPLICATION:
|
||
|
|
return getApplicationResStrMaxLen(index);
|
||
|
|
case TAG_DATA:
|
||
|
|
return getDataResStrMaxLen(index);
|
||
|
|
case TAG_CATEGORY:
|
||
|
|
return getCategoryResStrMaxLen(index);
|
||
|
|
case TAG_GRANT_URI_PERMISSION:
|
||
|
|
return getGrantUriPermissionResStrMaxLen(index);
|
||
|
|
case TAG_INSTRUMENTATION:
|
||
|
|
return getInstrumentationResStrMaxLen(index);
|
||
|
|
case TAG_MANIFEST:
|
||
|
|
return getManifestResStrMaxLen(index);
|
||
|
|
case TAG_META_DATA:
|
||
|
|
return getMetaDataResStrMaxLen(index);
|
||
|
|
case TAG_OVERLAY:
|
||
|
|
return getOverlayResStrMaxLen(index);
|
||
|
|
case TAG_PATH_PERMISSION:
|
||
|
|
return getPathPermissionResStrMaxLen(index);
|
||
|
|
case TAG_PERMISSION:
|
||
|
|
return getPermissionResStrMaxLen(index);
|
||
|
|
case TAG_PERMISSION_GROUP:
|
||
|
|
return getPermissionGroupResStrMaxLen(index);
|
||
|
|
case TAG_PERMISSION_TREE:
|
||
|
|
return getPermissionTreeResStrMaxLen(index);
|
||
|
|
case TAG_PROPERTY:
|
||
|
|
return getPropertyResStrMaxLen(index);
|
||
|
|
case TAG_PROVIDER:
|
||
|
|
return getProviderResStrMaxLen(index);
|
||
|
|
case TAG_RECEIVER:
|
||
|
|
return getReceiverResStrMaxLen(index);
|
||
|
|
case TAG_SERVICE:
|
||
|
|
return getServiceResStrMaxLen(index);
|
||
|
|
case TAG_USES_FEATURE:
|
||
|
|
return getUsesFeatureResStrMaxLen(index);
|
||
|
|
case TAG_USES_LIBRARY:
|
||
|
|
return getUsesLibraryResStrMaxLen(index);
|
||
|
|
case TAG_USES_NATIVE_LIBRARY:
|
||
|
|
return getUsesNativeLibraryResStrMaxLen(index);
|
||
|
|
case TAG_USES_PERMISSION:
|
||
|
|
case TAG_USES_PERMISSION_SDK_23:
|
||
|
|
case TAG_USES_PERMISSION_SDK_M:
|
||
|
|
return getUsesPermissionResStrMaxLen(index);
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getActionResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestAction_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getActivityResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestActivity_name:
|
||
|
|
case R.styleable.AndroidManifestActivity_parentActivityName:
|
||
|
|
case R.styleable.AndroidManifestActivity_permission:
|
||
|
|
case R.styleable.AndroidManifestActivity_process:
|
||
|
|
case R.styleable.AndroidManifestActivity_taskAffinity:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getActivityAliasResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestActivityAlias_name:
|
||
|
|
case R.styleable.AndroidManifestActivityAlias_permission:
|
||
|
|
case R.styleable.AndroidManifestActivityAlias_targetActivity:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getApplicationResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestApplication_backupAgent:
|
||
|
|
case R.styleable.AndroidManifestApplication_manageSpaceActivity:
|
||
|
|
case R.styleable.AndroidManifestApplication_name:
|
||
|
|
case R.styleable.AndroidManifestApplication_permission:
|
||
|
|
case R.styleable.AndroidManifestApplication_process:
|
||
|
|
case R.styleable.AndroidManifestApplication_requiredAccountType:
|
||
|
|
case R.styleable.AndroidManifestApplication_restrictedAccountType:
|
||
|
|
case R.styleable.AndroidManifestApplication_taskAffinity:
|
||
|
|
case R.styleable.AndroidManifestApplication_zygotePreloadName:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getCategoryResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestCategory_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getDataResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestData_host:
|
||
|
|
case R.styleable.AndroidManifestData_port:
|
||
|
|
case R.styleable.AndroidManifestData_scheme:
|
||
|
|
return MAX_ATTR_LEN_URL_COMPONENT;
|
||
|
|
case R.styleable.AndroidManifestData_mimeType:
|
||
|
|
return MAX_ATTR_LEN_MIMETYPE;
|
||
|
|
case R.styleable.AndroidManifestData_mimeGroup:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
case R.styleable.AndroidManifestData_path:
|
||
|
|
case R.styleable.AndroidManifestData_pathPattern:
|
||
|
|
case R.styleable.AndroidManifestData_pathPrefix:
|
||
|
|
case R.styleable.AndroidManifestData_pathSuffix:
|
||
|
|
case R.styleable.AndroidManifestData_pathAdvancedPattern:
|
||
|
|
case R.styleable.AndroidManifestData_query:
|
||
|
|
case R.styleable.AndroidManifestData_queryPattern:
|
||
|
|
case R.styleable.AndroidManifestData_queryPrefix:
|
||
|
|
case R.styleable.AndroidManifestData_querySuffix:
|
||
|
|
case R.styleable.AndroidManifestData_queryAdvancedPattern:
|
||
|
|
case R.styleable.AndroidManifestData_fragment:
|
||
|
|
case R.styleable.AndroidManifestData_fragmentPattern:
|
||
|
|
case R.styleable.AndroidManifestData_fragmentPrefix:
|
||
|
|
case R.styleable.AndroidManifestData_fragmentSuffix:
|
||
|
|
case R.styleable.AndroidManifestData_fragmentAdvancedPattern:
|
||
|
|
return MAX_ATTR_LEN_PATH;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getGrantUriPermissionResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestGrantUriPermission_path:
|
||
|
|
case R.styleable.AndroidManifestGrantUriPermission_pathPattern:
|
||
|
|
case R.styleable.AndroidManifestGrantUriPermission_pathPrefix:
|
||
|
|
return MAX_ATTR_LEN_PATH;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getInstrumentationResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestInstrumentation_targetPackage:
|
||
|
|
return MAX_ATTR_LEN_PACKAGE;
|
||
|
|
case R.styleable.AndroidManifestInstrumentation_name:
|
||
|
|
case R.styleable.AndroidManifestInstrumentation_targetProcesses:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getManifestResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifest_sharedUserId:
|
||
|
|
return MAX_ATTR_LEN_PACKAGE;
|
||
|
|
case R.styleable.AndroidManifest_versionName:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getMetaDataResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestMetaData_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
case R.styleable.AndroidManifestMetaData_value:
|
||
|
|
return MAX_ATTR_LEN_VALUE;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getOverlayResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestResourceOverlay_targetPackage:
|
||
|
|
return MAX_ATTR_LEN_PACKAGE;
|
||
|
|
case R.styleable.AndroidManifestResourceOverlay_category:
|
||
|
|
case R.styleable.AndroidManifestResourceOverlay_requiredSystemPropertyName:
|
||
|
|
case R.styleable.AndroidManifestResourceOverlay_targetName:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
case R.styleable.AndroidManifestResourceOverlay_requiredSystemPropertyValue:
|
||
|
|
return PROP_VALUE_MAX;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getPathPermissionResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestPathPermission_permission:
|
||
|
|
case R.styleable.AndroidManifestPathPermission_readPermission:
|
||
|
|
case R.styleable.AndroidManifestPathPermission_writePermission:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
case R.styleable.AndroidManifestPathPermission_path:
|
||
|
|
case R.styleable.AndroidManifestPathPermission_pathPattern:
|
||
|
|
case R.styleable.AndroidManifestPathPermission_pathPrefix:
|
||
|
|
return MAX_ATTR_LEN_PATH;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getPermissionResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestPermission_permissionGroup:
|
||
|
|
return MAX_ATTR_LEN_PERMISSION_GROUP;
|
||
|
|
case R.styleable.AndroidManifestPermission_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getPermissionGroupResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestPermissionGroup_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getPermissionTreeResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestPermissionTree_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getPropertyResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestProperty_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
case R.styleable.AndroidManifestProperty_value:
|
||
|
|
return MAX_ATTR_LEN_VALUE;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getProviderResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestProvider_name:
|
||
|
|
case R.styleable.AndroidManifestProvider_permission:
|
||
|
|
case R.styleable.AndroidManifestProvider_process:
|
||
|
|
case R.styleable.AndroidManifestProvider_readPermission:
|
||
|
|
case R.styleable.AndroidManifestProvider_writePermission:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getReceiverResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestReceiver_name:
|
||
|
|
case R.styleable.AndroidManifestReceiver_permission:
|
||
|
|
case R.styleable.AndroidManifestReceiver_process:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getServiceResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestReceiver_name:
|
||
|
|
case R.styleable.AndroidManifestReceiver_permission:
|
||
|
|
case R.styleable.AndroidManifestReceiver_process:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getUsesFeatureResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestUsesFeature_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getUsesLibraryResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestUsesLibrary_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getUsesNativeLibraryResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestUsesNativeLibrary_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int getUsesPermissionResStrMaxLen(@StyleableRes int index) {
|
||
|
|
switch (index) {
|
||
|
|
case R.styleable.AndroidManifestUsesPermission_name:
|
||
|
|
return MAX_ATTR_LEN_NAME;
|
||
|
|
default:
|
||
|
|
return DEFAULT_MAX_STRING_ATTR_LENGTH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void initializeCounter(String tag, int max) {
|
||
|
|
int idx = getCounterIdx(tag);
|
||
|
|
if (mTagCounters[idx] == null) {
|
||
|
|
mTagCounters[idx] = new TagCounter();
|
||
|
|
}
|
||
|
|
mTagCounters[idx].reset(max);
|
||
|
|
mChildTagMask |= 1 << idx;
|
||
|
|
}
|
||
|
|
|
||
|
|
private boolean isComponentNameAttr(String name) {
|
||
|
|
switch (mTag) {
|
||
|
|
case TAG_ACTIVITY:
|
||
|
|
switch (name) {
|
||
|
|
case TAG_ATTR_NAME:
|
||
|
|
case TAG_ATTR_PARENT_ACTIVITY_NAME:
|
||
|
|
return true;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
case TAG_ACTIVITY_ALIAS:
|
||
|
|
switch (name) {
|
||
|
|
case TAG_ATTR_TARGET_ACTIVITY:
|
||
|
|
return true;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
case TAG_APPLICATION:
|
||
|
|
switch (name) {
|
||
|
|
case TAG_ATTR_BACKUP_AGENT:
|
||
|
|
case TAG_ATTR_NAME:
|
||
|
|
case TAG_ATTR_ZYGOTE_PRELOAD_NAME:
|
||
|
|
return true;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
case TAG_INSTRUMENTATION:
|
||
|
|
case TAG_PROVIDER:
|
||
|
|
case TAG_RECEIVER:
|
||
|
|
case TAG_SERVICE:
|
||
|
|
switch (name) {
|
||
|
|
case TAG_ATTR_NAME:
|
||
|
|
return true;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private boolean isComponentNameAttr(@StyleableRes int index) {
|
||
|
|
switch (mTag) {
|
||
|
|
case TAG_ACTIVITY:
|
||
|
|
return index == R.styleable.AndroidManifestActivity_name
|
||
|
|
|| index == R.styleable.AndroidManifestActivity_parentActivityName;
|
||
|
|
case TAG_ACTIVITY_ALIAS:
|
||
|
|
return index == R.styleable.AndroidManifestActivityAlias_targetActivity;
|
||
|
|
case TAG_APPLICATION:
|
||
|
|
return index == R.styleable.AndroidManifestApplication_backupAgent
|
||
|
|
|| index == R.styleable.AndroidManifestApplication_name
|
||
|
|
|| index == R.styleable.AndroidManifestApplication_zygotePreloadName;
|
||
|
|
case TAG_INSTRUMENTATION:
|
||
|
|
return index == R.styleable.AndroidManifestInstrumentation_name;
|
||
|
|
case TAG_PROVIDER:
|
||
|
|
return index == R.styleable.AndroidManifestProvider_name;
|
||
|
|
case TAG_RECEIVER:
|
||
|
|
return index == R.styleable.AndroidManifestReceiver_name;
|
||
|
|
case TAG_SERVICE:
|
||
|
|
return index == R.styleable.AndroidManifestService_name;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
boolean hasChild(String tag) {
|
||
|
|
return (mChildTagMask & (1 << getCounterIdx(tag))) != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void validateComponentName(CharSequence name) {
|
||
|
|
boolean isStart = true;
|
||
|
|
for (int i = 0; i < name.length(); i++) {
|
||
|
|
if (BAD_COMPONENT_NAME_CHARS.indexOf(name.charAt(i)) >= 0) {
|
||
|
|
Slog.e(TAG, name + " is not a valid Java class name");
|
||
|
|
throw new SecurityException(name + " is not a valid Java class name");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void validateStrAttr(String attrName, String attrValue) {
|
||
|
|
if (attrValue != null && attrValue.length() > getAttrStrMaxLen(attrName)) {
|
||
|
|
throw new SecurityException("String length limit exceeded for attribute " + attrName
|
||
|
|
+ " in " + mTag);
|
||
|
|
}
|
||
|
|
if (isComponentNameAttr(attrName)) {
|
||
|
|
validateComponentName(attrValue);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void validateResStrAttr(@StyleableRes int index, CharSequence stringValue) {
|
||
|
|
if (stringValue != null && stringValue.length() > getResStrMaxLen(index)) {
|
||
|
|
throw new SecurityException("String length limit exceeded for attribute in " + mTag);
|
||
|
|
}
|
||
|
|
if (isComponentNameAttr(index)) {
|
||
|
|
validateComponentName(stringValue);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void validateComponentMetadata(String value) {
|
||
|
|
mTotalComponentMetadataSize += value.length();
|
||
|
|
if (mTotalComponentMetadataSize > MAX_TOTAL_META_DATA_SIZE) {
|
||
|
|
throw new SecurityException("Max total meta data size limit exceeded for " + mTag);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void seen(@NonNull Element element) {
|
||
|
|
TagCounter counter = mTagCounters[getCounterIdx(element.mTag)];
|
||
|
|
if (counter != null) {
|
||
|
|
counter.increment();
|
||
|
|
if (!counter.isValid()) {
|
||
|
|
throw new SecurityException("The number of child " + element.mTag
|
||
|
|
+ " elements exceeded the max allowed in " + this.mTag);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|