*
 * This implements non-transitional processing by preserving deviation characters.
 *
 * This implementation's STD3 rules are configured to `UseSTD3ASCIIRules=false`. This is
 * permissive and permits the `_` character.
 *
 * [mapping table]: https://www.unicode.org/reports/tr46/#IDNA_Mapping_Table
 * [mapping step]: https://www.unicode.org/reports/tr46/#ProcessingStepMap
 */
class SimpleIdnaMappingTable internal constructor(

  }

  return false
}

internal fun String.containsInvalidHostnameAsciiCodes(): Boolean {
  for (i in 0 until length) {
    val c = this[i]
    // The WHATWG Host parsing rules accepts some character codes which are invalid by
    // definition for OkHttp's host header checks (and the WHATWG Host syntax definition). Here
    // we rule out characters that would cause problems in host headers.

    // The soft hyphen (­) should be ignored.
    assertThat(parse("http://AB\u00adCD").host).isEqualTo("abcd")
  }

  @Test
  fun hostnameMultipleCharacterMapping() {
    // Map the single character telephone symbol (℡) to the string "tel".
    assertThat(parse("http://\u2121").host).isEqualTo("tel")
  }

  @Test
  fun hostnameMappingLastMappedCodePoint() {

    copyTo(prefix, 0, byteCount)
    for (i in 0 until 16) {
      if (prefix.exhausted()) {
        break
      }
      val codePoint = prefix.readUtf8CodePoint()
      if (Character.isISOControl(codePoint) && !Character.isWhitespace(codePoint)) {
        return false
      }
    }
    return true
  } catch (_: EOFException) {
    return false // Truncated UTF-8 sequence.
  }

60000..6FFFD  ; disallowed                             # NA   <reserved-60000>..<reserved-6FFFD>
6FFFE..6FFFF  ; disallowed                             # 2.0  <noncharacter-6FFFE>..<noncharacter-6FFFF>
70000..7FFFD  ; disallowed                             # NA   <reserved-70000>..<reserved-7FFFD>
7FFFE..7FFFF  ; disallowed                             # 2.0  <noncharacter-7FFFE>..<noncharacter-7FFFF>

      negligent acts) or agreed to in writing, shall any Contributor be
      liable to You for damages, including any direct, indirect, special,
      incidental, or consequential damages of any character arising as a
      result of this License or out of the use or inability to use the
      Work (including but not limited to damages for loss of goodwill,
      work stoppage, computer failure or malfunction, or any and all

    }
  }
  return commaFound
}

private fun Buffer.startsWith(prefix: Byte): Boolean = !exhausted() && this[0] == prefix

/**
 * Reads a double-quoted string, unescaping quoted pairs like `\"` to the 2nd character in each
 * sequence. Returns the unescaped string, or null if the buffer isn't prefixed with a
 * double-quoted string.
 */
@Throws(EOFException::class)
private fun Buffer.readQuotedString(): String? {

      return hostname == pattern
    }

    // Wildcard pattern

    // WILDCARD PATTERN RULES:
    // 1. Asterisk (*) is only permitted in the left-most domain name label and must be the
    //    only character in that label (i.e., must match the whole left-most label).
    //    For example, *.example.com is permitted, while *a.example.com, a*.example.com,
    //    a*b.example.com, a.*.example.com are not permitted.

    onlyIfCached = onlyIfCached,
    noTransform = noTransform,
    immutable = immutable,
    headerValue = headerValue,
  )
}

/**
 * Returns the next index in this at or after [startIndex] that is a character from
 * [characters]. Returns the input length if none of the requested characters can be found.
 */
private fun String.indexOfElement(
  characters: String,
  startIndex: Int = 0,
): Int {

  override fun hashCode(): Int = commonHashCode()

  /**
   * Returns header names and values. The names and values are separated by `: ` and each pair is
   * followed by a newline character `\n`.
   *
   * Since OkHttp 5 this redacts these sensitive headers:
   *
   *  * `Authorization`
   *  * `Cookie`
   *  * `Proxy-Authorization`
   *  * `Set-Cookie`
   */