org.jetbrains.kotlin.util.Util.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.util
import kotlin.system.measureTimeMillis
import org.jetbrains.kotlin.konan.file.*
import java.lang.StringBuilder
fun printMillisec(message: String, body: () -> T): T {
val result: T
val msec = measureTimeMillis {
result = body()
}
println("$message: $msec msec")
return result
}
fun profile(message: String, body: () -> Unit) = profileIf(
System.getProperty("konan.profile")?.equals("true") ?: false,
message, body
)
fun profileIf(condition: Boolean, message: String, body: () -> Unit) =
if (condition) printMillisec(message, body) else body()
fun nTabs(amount: Int): String {
return String.format("%1$-${(amount+1)*4}s", "")
}
fun String.prefixIfNot(prefix: String) =
if (this.startsWith(prefix)) this else "$prefix$this"
fun String.prefixBaseNameIfNot(prefix: String): String {
val file = File(this).absoluteFile
val name = file.name
val directory = file.parent
return "$directory/${name.prefixIfNot(prefix)}"
}
fun String.suffixIfNot(suffix: String) =
if (this.endsWith(suffix)) this else "$this$suffix"
fun String.removeSuffixIfPresent(suffix: String) =
if (this.endsWith(suffix)) this.dropLast(suffix.length) else this
fun Lazy.getValueOrNull(): T? = if (isInitialized()) value else null
fun parseSpaceSeparatedArgs(argsString: String): List {
val parsedArgs = mutableListOf()
var inQuotes = false
var currentCharSequence = StringBuilder()
fun saveArg(wasInQuotes: Boolean) {
if (wasInQuotes || currentCharSequence.isNotBlank()) {
parsedArgs.add(currentCharSequence.toString())
currentCharSequence = StringBuilder()
}
}
argsString.forEach { char ->
if (char == '"') {
inQuotes = !inQuotes
// Save value which was in quotes.
if (!inQuotes) {
saveArg(true)
}
} else if (char.isWhitespace() && !inQuotes) {
// Space is separator.
saveArg(false)
} else {
currentCharSequence.append(char)
}
}
if (inQuotes) {
error("No close-quote was found in $currentCharSequence.")
}
saveArg(false)
return parsedArgs
}