42 lines
1.3 KiB
Kotlin
42 lines
1.3 KiB
Kotlin
/*
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* SPDX-FileCopyrightText: 2023 Linnea Gräf <nea@nea.moe>
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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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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object FirmFormatters {
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fun formatCurrency(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 formatCurrency(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 formatCurrency(float: Float, fractionalDigits: Int): String = formatCurrency(float.toDouble(), fractionalDigits)
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fun formatCurrency(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 formatCurrency(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): String {
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return duration.toString()
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}
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}
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