1 /* <lambda>null2 * Copyright (C) 2025 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.tools.metalava 18 19 import com.android.tools.metalava.config.ApiFlagConfig 20 import com.android.tools.metalava.config.ApiFlagConfig.Mutability.IMMUTABLE 21 import com.android.tools.metalava.config.ApiFlagConfig.Mutability.MUTABLE 22 import com.android.tools.metalava.config.ApiFlagConfig.Status.DISABLED 23 import com.android.tools.metalava.config.ApiFlagConfig.Status.ENABLED 24 import com.android.tools.metalava.config.ApiFlagsConfig 25 import com.android.tools.metalava.model.api.flags.ApiFlag 26 import com.android.tools.metalava.model.api.flags.ApiFlags 27 import com.android.utils.associateNotNull 28 29 /** Create [ApiFlags] from some source of information about the flags. */ 30 object ApiFlagsCreator { 31 /** Create [ApiFlags] from [apiFlagsConfig]. */ 32 fun createFromConfig(apiFlagsConfig: ApiFlagsConfig?): ApiFlags? { 33 return apiFlagsConfig?.createApiFlags() 34 } 35 36 /** Create [ApiFlags] from [ApiFlagsConfig]. */ 37 private fun ApiFlagsConfig.createApiFlags(): ApiFlags { 38 val byQualifiedName = flags.associateNotNull { config -> config.createApiFlag() } 39 return ApiFlags(byQualifiedName) 40 } 41 42 /** 43 * Create [Pair] of qualified flag name and [ApiFlag] from [ApiFlagConfig]. 44 * 45 * Returns `null` if [ApiFlagConfig.mutability] is [IMMUTABLE] and [ApiFlagConfig.status] is 46 * [DISABLED] as that is the default [ApiFlags.get] returns for flags that cannot be found. 47 */ 48 private fun ApiFlagConfig.createApiFlag(): Pair<String, ApiFlag>? { 49 val apiFlag = 50 when (mutability) { 51 MUTABLE -> ApiFlag.KEEP_FLAGGED_API 52 IMMUTABLE -> 53 when (status) { 54 ENABLED -> ApiFlag.FINALIZE_FLAGGED_API 55 DISABLED -> return null 56 } 57 } 58 val qualifiedName = "$pkg.$name" 59 return Pair(qualifiedName, apiFlag) 60 } 61 } 62