self.range = range

}

public var end: TimeInterval { start + duration }

public var end: TimeInterval {

self.start + self.duration

}

}

public struct WakeWordGateConfig: Sendable, Equatable {

public init(

triggers: [String],

minPostTriggerGap: TimeInterval = 0.45,

minCommandLength: Int = 1) {

minCommandLength: Int = 1)

{

self.triggers = triggers

self.minPostTriggerGap = minPostTriggerGap

self.minCommandLength = minCommandLength

segments: [WakeWordSegment],

config: WakeWordGateConfig)

-> WakeWordGateMatch? {

let triggerTokens = normalizeTriggers(config.triggers)

let triggerTokens = self.normalizeTriggers(config.triggers)

guard !triggerTokens.isEmpty else { return nil }

let tokens = normalizeSegments(segments)

let tokens = self.normalizeSegments(segments)

guard !tokens.isEmpty else { return nil }

var best: MatchCandidate?

}

guard let best else { return nil }

let command = commandText(transcript: transcript, segments: segments, triggerEndTime: best.triggerEnd)

let command = self.commandText(transcript: transcript, segments: segments, triggerEndTime: best.triggerEnd)

.trimmingCharacters(in: Self.whitespaceAndPunctuation)

guard command.count >= config.minCommandLength else { return nil }

return WakeWordGateMatch(

guard !text.isEmpty else { return false }

let normalized = text.lowercased()

for trigger in triggers {

let token = trigger.trimmingCharacters(in: whitespaceAndPunctuation).lowercased()

let token = trigger.trimmingCharacters(in: self.whitespaceAndPunctuation).lowercased()

if token.isEmpty { continue }

if normalized.contains(token) { return true }

}

public static func stripWake(text: String, triggers: [String]) -> String {

var out = text

for trigger in triggers {

let token = trigger.trimmingCharacters(in: whitespaceAndPunctuation)

let token = trigger.trimmingCharacters(in: self.whitespaceAndPunctuation)

guard !token.isEmpty else { continue }

out = out.replacingOccurrences(of: token, with: "", options: [.caseInsensitive])

}

return out.trimmingCharacters(in: whitespaceAndPunctuation)

return out.trimmingCharacters(in: self.whitespaceAndPunctuation)

}

private static func normalizeTriggers(_ triggers: [String]) -> [TriggerTokens] {

var output: [TriggerTokens] = []

for trigger in triggers {

let tokens = trigger

.split(whereSeparator: { $0.isWhitespace })

.map { normalizeToken(String($0)) }

.map { self.normalizeToken(String($0)) }

.filter { !$0.isEmpty }

if tokens.isEmpty { continue }

output.append(TriggerTokens(source: tokens.joined(separator: " "), tokens: tokens))

private static func normalizeSegments(_ segments: [WakeWordSegment]) -> [Token] {

segments.compactMap { segment in

let normalized = normalizeToken(segment.text)

let normalized = self.normalizeToken(segment.text)

guard !normalized.isEmpty else { return nil }

return Token(

normalized: normalized,

private static func normalizeToken(_ token: String) -> String {

token

.trimmingCharacters(in: whitespaceAndPunctuation)

.trimmingCharacters(in: self.whitespaceAndPunctuation)

.lowercased()

}