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package moe.nea.ledger
import java.util.regex.Matcher
import java.util.regex.Pattern
// language=regexp
val SHORT_NUMBER_PATTERN = "[0-9]+(?:,[0-9]+)*(?:\\.[0-9]+)?[kKmMbB]?"
val siScalars = mapOf(
'k' to 1_000.0,
'K' to 1_000.0,
'm' to 1_000_000.0,
'M' to 1_000_000.0,
'b' to 1_000_000_000.0,
'B' to 1_000_000_000.0,
)
fun parseShortNumber(string: String): Double {
var k = string.replace(",", "")
val scalar = k.last()
var scalarMultiplier = siScalars[scalar]
if (scalarMultiplier == null) {
scalarMultiplier = 1.0
} else {
k = k.dropLast(1)
}
return k.toDouble() * scalarMultiplier
}
fun <T> Pattern.useMatcher(string: String, block: Matcher.() -> T): T? =
matcher(string).takeIf { it.matches() }?.let(block)
fun String.unformattedString(): String = replace("§.".toRegex(), "")
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