mirror of
https://github.com/GayPizzaSpecifications/darwin-apk.git
synced 2025-08-03 13:31:32 +00:00
slightly more efficient line conversion
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@ -29,7 +29,7 @@ struct TextInputStream<InStream: InputStream> where InStream.Element == UInt8 {
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private var _stream: InStream
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private var _utf8Decoder = UTF8()
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private var _scalars = [Unicode.Scalar]()
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private var _string = String()
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private var _lastChar: UnicodeScalar = "\0"
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private var _eof = false
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@ -43,7 +43,7 @@ struct TextInputStream<InStream: InputStream> where InStream.Element == UInt8 {
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} else if value == "\r" {
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break Decode
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}
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self._scalars.append(value)
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self._string.unicodeScalars.append(value)
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self._lastChar = value
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case .emptyInput:
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self._eof = true
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@ -66,18 +66,15 @@ struct TextInputStream<InStream: InputStream> where InStream.Element == UInt8 {
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// Decode a line of scalars
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self.decodeScalarsLine()
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defer {
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self._scalars.removeAll(keepingCapacity: true)
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self._string.removeAll(keepingCapacity: true)
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}
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// Ignore the final empty newline
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guard !self._eof || !self._scalars.isEmpty else {
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guard !self._eof || !self._string.isEmpty else {
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return nil
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}
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// Convert to string and return
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var string = String()
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string.unicodeScalars.append(contentsOf: self._scalars)
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return string
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return self._string
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}
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}
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