1 /*
<lambda>null2 * Copyright (C) 2023 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.server.permission.access.immutable
18
19 inline fun <K, I : Immutable<M>, M : I> IndexedReferenceMap<K, I, M>.allIndexed(
20 predicate: (Int, K, I) -> Boolean
21 ): Boolean {
22 forEachIndexed { index, key, value ->
23 if (!predicate(index, key, value)) {
24 return false
25 }
26 }
27 return true
28 }
29
anyIndexednull30 inline fun <K, I : Immutable<M>, M : I> IndexedReferenceMap<K, I, M>.anyIndexed(
31 predicate: (Int, K, I) -> Boolean
32 ): Boolean {
33 forEachIndexed { index, key, value ->
34 if (predicate(index, key, value)) {
35 return true
36 }
37 }
38 return false
39 }
40
forEachIndexednull41 inline fun <K, I : Immutable<M>, M : I> IndexedReferenceMap<K, I, M>.forEachIndexed(
42 action: (Int, K, I) -> Unit
43 ) {
44 for (index in 0 until size) {
45 action(index, keyAt(index), valueAt(index))
46 }
47 }
48
forEachReversedIndexednull49 inline fun <K, I : Immutable<M>, M : I> IndexedReferenceMap<K, I, M>.forEachReversedIndexed(
50 action: (Int, K, I) -> Unit
51 ) {
52 for (index in lastIndex downTo 0) {
53 action(index, keyAt(index), valueAt(index))
54 }
55 }
56
57 inline val <K, I : Immutable<M>, M : I> IndexedReferenceMap<K, I, M>.lastIndex: Int
58 get() = size - 1
59
noneIndexednull60 inline fun <K, I : Immutable<M>, M : I> IndexedReferenceMap<K, I, M>.noneIndexed(
61 predicate: (Int, K, I) -> Boolean
62 ): Boolean {
63 forEachIndexed { index, key, value ->
64 if (predicate(index, key, value)) {
65 return false
66 }
67 }
68 return true
69 }
70
mutateOrPutnull71 inline fun <K, I : Immutable<M>, M : I> MutableIndexedReferenceMap<K, I, M>.mutateOrPut(
72 key: K,
73 defaultValue: () -> M
74 ): M {
75 mutate(key)?.let {
76 return it
77 }
78 return defaultValue().also { put(key, it) }
79 }
80
81 @Suppress("NOTHING_TO_INLINE")
minusAssignnull82 inline operator fun <K, I : Immutable<M>, M : I> MutableIndexedReferenceMap<K, I, M>.minusAssign(
83 key: K
84 ) {
85 remove(key)
86 }
87
88 @Suppress("NOTHING_TO_INLINE")
setnull89 inline operator fun <K, I : Immutable<M>, M : I> MutableIndexedReferenceMap<K, I, M>.set(
90 key: K,
91 value: M
92 ) {
93 put(key, value)
94 }
95