krontab/src/commonMain/kotlin/com/insanusmokrassar/krontab/StringParser.kt

62 lines
2.4 KiB
Kotlin

package com.insanusmokrassar.krontab
import com.insanusmokrassar.krontab.internal.*
/**
* Parse [incoming] string and adapt according to next format: "* * * * *" where order of things:
*
* seconds
* minutes
* hours
* dayOfMonth
* month
*
* And each one have next format:
*
* {number},{number},...
*
* and {number} here is one of {int}-{int} OR {int}/{int} OR *\/{int} OR {int}.
*
* Seconds ranges can be found in [com.insanusmokrassar.krontab.internal.secondsRange].
* Minutes ranges can be found in [com.insanusmokrassar.krontab.internal.minutesRange].
* Hours ranges can be found in [com.insanusmokrassar.krontab.internal.hoursRange].
* Days of month ranges can be found in [com.insanusmokrassar.krontab.internal.dayOfMonthRange].
* Months ranges can be found in [com.insanusmokrassar.krontab.internal.monthRange].
*
* @sample "0/5 * * * *" for every five seconds triggering
* @sample "0/15 30 * * *" for every 15th seconds in a half of each hour
* @sample "1 2 3 4 5" for triggering in near first second of second minute of third hour of fourth day of may
*/
fun createSimpleScheduler(incoming: String): KronScheduler {
val (secondsSource, minutesSource, hoursSource, dayOfMonthSource, monthSource) = incoming.split(" ")
val secondsParsed = parseSeconds(secondsSource)
val minutesParsed = parseMinutes(minutesSource)
val hoursParsed = parseHours(hoursSource)
val dayOfMonthParsed = parseDaysOfMonth(dayOfMonthSource)
val monthParsed = parseMonths(monthSource)
val resultCronDateTimes = mutableListOf(CronDateTime())
secondsParsed ?.fillWith(resultCronDateTimes) { previousCronDateTime: CronDateTime, currentTime: Byte ->
previousCronDateTime.copy(seconds = currentTime)
}
minutesParsed ?.fillWith(resultCronDateTimes) { previousCronDateTime: CronDateTime, currentTime: Byte ->
previousCronDateTime.copy(minutes = currentTime)
}
hoursParsed ?.fillWith(resultCronDateTimes) { previousCronDateTime: CronDateTime, currentTime: Byte ->
previousCronDateTime.copy(hours = currentTime)
}
dayOfMonthParsed ?.fillWith(resultCronDateTimes) { previousCronDateTime: CronDateTime, currentTime: Byte ->
previousCronDateTime.copy(dayOfMonth = currentTime)
}
monthParsed ?.fillWith(resultCronDateTimes) { previousCronDateTime: CronDateTime, currentTime: Byte ->
previousCronDateTime.copy(month = currentTime)
}
return CronDateTimeScheduler(resultCronDateTimes.toList())
}