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Avoid using 'D' component in ISO duration string representation

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Days in ISO have nominal duration, they are not always equal to 24H
This commit is contained in:
Ilya Gorbunov
2019-06-03 19:18:36 +03:00
parent 6dbc2eeb90
commit 3b989cc815
2 changed files with 26 additions and 33 deletions
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libraries/stdlib/src/kotlin/time/Duration.kt
+21 -28
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@@ -156,36 +156,29 @@ public inline class Duration internal constructor(internal val value: Double) :
fun toIsoString(): String = buildString {
if (isNegative()) append('-')
append('P')
absoluteValue.toComponents { days, hours, minutes, seconds, nanoseconds ->
if (days != 0)
append(days).append('D')
if (days == 0 || seconds != 0 || nanoseconds != 0 || minutes != 0 || hours != 0) {
append('T')
val hasHours = hours != 0 || days != 0
val hasSeconds = seconds != 0 || nanoseconds != 0
val hasMinutes = minutes != 0 || (hasSeconds && hasHours)
if (hasHours) {
append(hours).append('H')
}
if (hasMinutes) {
append(minutes).append('M')
}
if (hasSeconds || (!hasHours && !hasMinutes)) {
append(seconds)
if (nanoseconds != 0) {
append('.')
val nss = nanoseconds.toString().padStart(9, '0')
when {
nanoseconds % 1_000_000 == 0 -> append(nss, 0, 3)
nanoseconds % 1_000 == 0 -> append(nss, 0, 6)
else -> append(nss)
}
append("PT")
absoluteValue.toComponents { hours, minutes, seconds, nanoseconds ->
val hasHours = hours != 0
val hasSeconds = seconds != 0 || nanoseconds != 0
val hasMinutes = minutes != 0 || (hasSeconds && hasHours)
if (hasHours) {
append(hours).append('H')
}
if (hasMinutes) {
append(minutes).append('M')
}
if (hasSeconds || (!hasHours && !hasMinutes)) {
append(seconds)
if (nanoseconds != 0) {
append('.')
val nss = nanoseconds.toString().padStart(9, '0')
when {
nanoseconds % 1_000_000 == 0 -> append(nss, 0, 3)
nanoseconds % 1_000 == 0 -> append(nss, 0, 6)
else -> append(nss)
}
append('S')
}
append('S')
}
}
}