66 lines
2.0 KiB
Kotlin
66 lines
2.0 KiB
Kotlin
package moe.nea.firmament.util
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import com.google.common.math.IntMath.pow
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import kotlin.math.absoluteValue
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import kotlin.time.Duration
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import kotlin.time.Duration.Companion.seconds
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object FirmFormatters {
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fun formatCommas(int: Int, segments: Int = 3): String = formatCommas(int.toLong(), segments)
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fun formatCommas(long: Long, segments: Int = 3): String {
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val α = long / 1000
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if (α != 0L) {
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return formatCommas(α, segments) + "," + (long - α * 1000).toString().padStart(3, '0')
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}
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return long.toString()
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}
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fun formatCommas(float: Float, fractionalDigits: Int): String = formatCommas(float.toDouble(), fractionalDigits)
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fun formatCommas(double: Double, fractionalDigits: Int): String {
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val long = double.toLong()
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val δ = (double - long).absoluteValue
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val μ = pow(10, fractionalDigits)
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val digits = (μ * δ).toInt().toString().padStart(fractionalDigits, '0').trimEnd('0')
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return formatCommas(long) + (if (digits.isEmpty()) "" else ".$digits")
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}
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fun formatDistance(distance: Double): String {
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if (distance < 10)
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return "%.1fm".format(distance)
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return "%dm".format(distance.toInt())
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}
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fun formatTimespan(duration: Duration, millis: Boolean = false): String {
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if (duration.isInfinite()) {
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return if (duration.isPositive()) "∞"
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else "-∞"
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}
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val sb = StringBuilder()
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if (duration.isNegative()) sb.append("-")
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duration.toComponents { days, hours, minutes, seconds, nanoseconds ->
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if (days > 0) {
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sb.append(days).append("d")
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}
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if (hours > 0) {
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sb.append(hours).append("h")
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}
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if (minutes > 0) {
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sb.append(minutes).append("m")
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}
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val milliTime = nanoseconds / 1_000_000
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val deciseconds = milliTime / 100
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if (millis) {
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sb.append(seconds).append("s")
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sb.append(milliTime).append("ms")
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} else if (duration.absoluteValue < 5.seconds && deciseconds != 0) {
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sb.append(seconds).append('.').append(deciseconds.digitToChar()).append("s")
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} else {
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sb.append(seconds).append("s")
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}
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Unit
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}
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return sb.toString()
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}
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}
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