ProfileRule.kt
/*
* Copyright 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
@file:RestrictTo(RestrictTo.Scope.LIBRARY)
package androidx.benchmark.macro
import androidx.annotation.RestrictTo
private val PROFILE_RULE_REGEX = "(H?S?P?)L([^;]*);(->)?(.*)".toRegex()
/**
* @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY)
data class ProfileRule(
val underlying: String,
val flags: String,
val classDescriptor: String,
val methodDescriptor: String?
) {
companion object {
/**
* Parses a profile rule to its constituent elements.
*/
@JvmStatic
fun parse(rule: String): ProfileRule? {
return when (val result = PROFILE_RULE_REGEX.find(rule)) {
null -> null
else -> {
// Ignore `->`
val (flags, classDescriptor, _, methodDescriptor) = result.destructured
ProfileRule(rule, flags, classDescriptor, methodDescriptor)
}
}
}
internal val comparator: Comparator<ProfileRule> = compareBy(
// When building the Comparator, we need to ignore method flags.
{ profileRule ->
profileRule.classDescriptor
},
{ profileRule ->
profileRule.methodDescriptor ?: ""
}
)
}
}