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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 }
@Deprecated("", ReplaceWith("pattern.firstMatcher(this) { consumer() }"))
inline fun <T> Sequence<String>.matchFirst(pattern: Pattern, consumer: Matcher.() -> T): T? =
pattern.firstMatcher(this, consumer)
inline fun <T> Pattern.firstMatcher(sequence: Sequence<String>, consumer: Matcher.() -> T): T? {
for (line in sequence) {
matcher(line).let { if (it.matches()) return consumer(it) }
}
return null
}
@Deprecated("", ReplaceWith("pattern.firstMatcher(this) { consumer() }"))
inline fun <T> List<String>.matchFirst(pattern: Pattern, consumer: Matcher.() -> T): T? = pattern.firstMatcher(this, consumer)
inline fun <T> Pattern.firstMatcher(list: List<String>, consumer: Matcher.() -> T): T? = firstMatcher(list.asSequence(), consumer)
@Deprecated("", ReplaceWith("pattern.matchAll(this) { consumer() }"))
inline fun <T> List<String>.matchAll(pattern: Pattern, consumer: Matcher.() -> T): T? = pattern.matchAll(this, consumer)
inline fun <T> Pattern.matchAll(list: List<String>, consumer: Matcher.() -> T): T? {
for (line in list) {
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 List<Pattern>.allMatches(list: List<String>): List<String> = list.filter { line -> any { it.matches(line) } }
fun List<Pattern>.anyMatches(list: List<String>?): Boolean = list?.any { line -> any { it.matches(line) } } ?: false
fun List<Pattern>.anyMatches(string: String): Boolean = any { it.matches(string) }
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 { matches(it) } ?: false
fun Pattern.anyMatches(list: Sequence<String>?): Boolean = anyMatches(list?.toList())
fun Pattern.matchGroup(text: String, groupName: String): String? = matchMatcher(text) { groupOrNull(groupName) }
fun Pattern.matchGroups(text: String, vararg groups: String): List<String?>? =
matchMatcher(text) { groups.toList().map { groupOrNull(it) } }
fun Pattern.firstMatches(list: List<String>): String? = list.firstOrNull { matches(it) }
fun Pattern.allMatches(list: List<String>): List<String> = list.filter { matches(it) }
/**
* Get the group, otherwise, return null
* @param groupName The group name in the pattern
*/
fun Matcher.groupOrNull(groupName: String): String? = runCatching { group(groupName) }.getOrNull()
fun Matcher.hasGroup(groupName: String): Boolean = groupOrNull(groupName) != null
fun Pattern.indexOfFirstMatch(list: List<String>): Int? {
for ((index, line) in list.withIndex()) {
matcher(line).let { if (it.matches()) return index }
}
return null
}
fun Iterable<Pattern>.matches(string: String?): Boolean {
if (string == null) return false
return this.any { it.matches(string) }
}
/**
* Returns a list of all occurrences of a pattern within the [input] string.
*/
fun Pattern.findAll(input: String): List<String> {
val matcher = matcher(input)
return buildList {
while (matcher.find()) {
add(matcher.group())
}
}
}
}
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