org.jetbrains.kotlin.cli.common.Properties.kt Maven / Gradle / Ivy

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Kotlin Compiler

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/*
 * Copyright 2010-2015 JetBrains s.r.o.
 *
 * 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 org.jetbrains.kotlin.cli.common

val KOTLIN_COMPILER_ENVIRONMENT_KEEPALIVE_PROPERTY = "kotlin.environment.keepalive"


fun String?.toBooleanLenient(): Boolean? = when (this?.toLowerCase()) {
    null -> false
    in listOf("", "yes", "true", "on", "y") -> true
    in listOf("no", "false", "off", "n") -> false
    else -> null
}