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package at.hannibal2.skyhanni.utils
import java.util.regex.Matcher
import java.util.regex.Pattern
object RegexUtils {
inline fun <T> Pattern.matchMatcher(text: String, consumer: Matcher.() -> T) =
matcher(text).let { if (it.matches()) consumer(it) else null }
inline fun <T> Pattern.findMatcher(text: String, consumer: Matcher.() -> T) =
matcher(text).let { if (it.find()) consumer(it) else null }
inline fun <T> Sequence<String>.matchFirst(pattern: Pattern, consumer: Matcher.() -> T): T? =
toList().matchFirst(pattern, consumer)
inline fun <T> List<String>.matchFirst(pattern: Pattern, consumer: Matcher.() -> T): T? {
for (line in this) {
pattern.matcher(line).let { if (it.matches()) return consumer(it) }
}
return null
}
inline fun <T> List<String>.matchAll(pattern: Pattern, consumer: Matcher.() -> T): T? {
for (line in this) {
pattern.matcher(line).let { if (it.find()) consumer(it) }
}
return null
}
inline fun <T> List<Pattern>.matchMatchers(text: String, consumer: Matcher.() -> T): T? {
for (pattern in iterator()) {
pattern.matchMatcher<T>(text) {
return consumer()
}
}
return null
}
fun Pattern.matches(string: String?): Boolean = string?.let { matcher(it).matches() } ?: false
fun Pattern.find(string: String?) = string?.let { matcher(it).find() } ?: false
fun Pattern.anyMatches(list: List<String>?): Boolean = list?.any { this.matches(it) } ?: false
fun Pattern.anyMatches(list: Sequence<String>?): Boolean = anyMatches(list?.toList())
/**
* Get the group, otherwise, return null
* @param groupName The group name in the pattern
*/
fun Matcher.groupOrNull(groupName: String): String? = runCatching { this.group(groupName) }.getOrNull()
fun Matcher.hasGroup(groupName: String): Boolean = groupOrNull(groupName) != null
fun List<String>.indexOfFirstMatch(pattern: Pattern): Int? {
for ((index, line) in this.withIndex()) {
pattern.matcher(line).let { if (it.matches()) return index }
}
return null
}
}
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