MetricNameUtils.kt
/*
* Copyright 2020 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.
*/
package androidx.benchmark
import android.annotation.SuppressLint
@SuppressLint("DefaultLocale")
internal fun String.toSnakeCase(): String = replace(Regex("([a-z])([A-Z0-9])")) {
it.groups[1]!!.value + "_" + it.groups[2]!!.value.lowercase()
}
/**
* Converts a metric name from the camelCase JSON output format to the snake_case version
* used by AndroidX CI, and reducing abbreviations for clarity.
*
* This functionality is a stopgap as we migrate to actually using JSON in CI.
*/
internal fun String.toOutputMetricName() = this
.toSnakeCase()
.replace(Regex("_ns$"), "_nanos")
.replace(Regex("_ms$"), "_millis")