61 lines
1.5 KiB
Kotlin
61 lines
1.5 KiB
Kotlin
/*
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* SPDX-FileCopyrightText: 2023 Linnea Gräf <nea@nea.moe>
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* SPDX-FileCopyrightText: 2024 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 java.util.regex.Matcher
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import java.util.regex.Pattern
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import org.intellij.lang.annotations.Language
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import kotlin.time.Duration
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import kotlin.time.Duration.Companion.minutes
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import kotlin.time.Duration.Companion.seconds
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inline fun <T> String.ifMatches(regex: Regex, block: (MatchResult) -> T): T? =
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regex.matchEntire(this)?.let(block)
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inline fun <T> Pattern.useMatch(string: String, block: Matcher.() -> T): T? =
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matcher(string)
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.takeIf(Matcher::matches)
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?.let(block)
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@Language("RegExp")
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val TIME_PATTERN = "[0-9]+[ms]"
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@Language("RegExp")
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val SHORT_NUMBER_FORMAT = "[0-9]+(?:,[0-9]+)*(?:\\.[0-9]+)?[kKmMbB]?"
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val siScalars = mapOf(
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'k' to 1_000.0,
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'K' to 1_000.0,
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'm' to 1_000_000.0,
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'M' to 1_000_000.0,
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'b' to 1_000_000_000.0,
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'B' to 1_000_000_000.0,
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)
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fun parseTimePattern(text: String): Duration {
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val length = text.dropLast(1).toInt()
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return when (text.last()) {
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'm' -> length.minutes
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's' -> length.seconds
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else -> error("Invalid pattern for time $text")
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}
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}
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fun parseShortNumber(string: String): Double {
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var k = string.replace(",", "")
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val scalar = k.last()
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var scalarMultiplier = siScalars[scalar]
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if (scalarMultiplier == null) {
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scalarMultiplier = 1.0
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} else {
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k = k.dropLast(1)
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}
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return k.toDouble() * scalarMultiplier
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}
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