* {@link java.net.IDN} class.
 *
 * <p>This class allows setting a custom flag for the IDN conversion and a custom
 * encoding for URL decoding.</p>
 *
 * <p>Example usage:</p>
 * <pre>
 * {@code
 * IdnDnsResolver resolver = new IdnDnsResolver();
 * resolver.setFlag(IDN.ALLOW_UNASSIGNED);
 * resolver.setEncoding("UTF-8");
 * InetAddress[] addresses = resolver.resolve("example.com");
 * }
 * </pre>
 *
 */

 * {@link java.net.IDN} class.
 *
 * <p>This class allows setting a custom flag for the IDN conversion and a custom
 * encoding for URL decoding.</p>
 *
 * <p>Example usage:</p>
 * <pre>
 * {@code
 * Hc5IdnDnsResolver resolver = new Hc5IdnDnsResolver();
 * resolver.setFlag(IDN.ALLOW_UNASSIGNED);
 * resolver.setEncoding("UTF-8");
 * InetAddress[] addresses = resolver.resolve("example.com");
 * }
 * </pre>

# no rules should be needed

-whyareyoukeeping class okhttp3.internal.idn.IdnaMappingTable {
  *;

  public void testEquality() {
    new EqualsTester()
        .addEqualityGroup(idn("google.com"), idn("google.com"), idn("GOOGLE.COM"))
        .addEqualityGroup(idn("www.google.com"))
        .addEqualityGroup(UNICODE_EXAMPLE)
        .addEqualityGroup(PUNYCODE_EXAMPLE)
        .testEquals();
  }

  private static InternetDomainName idn(String domain) {
    return InternetDomainName.from(domain);
  }

  public void testEquality() {
    new EqualsTester()
        .addEqualityGroup(idn("google.com"), idn("google.com"), idn("GOOGLE.COM"))
        .addEqualityGroup(idn("www.google.com"))
        .addEqualityGroup(UNICODE_EXAMPLE)
        .addEqualityGroup(PUNYCODE_EXAMPLE)
        .testEquals();
  }

  private static InternetDomainName idn(String domain) {
    return InternetDomainName.from(domain);
  }

   * ```
   *
   * @param domain A canonicalized domain. An International Domain Name (IDN) should be punycode
   *     encoded.
   */
  fun getEffectiveTldPlusOne(domain: String): String? {
    // We use UTF-8 in the list so we need to convert to Unicode.
    val unicodeDomain = IDN.toUnicode(domain)
    val domainLabels = splitDomain(unicodeDomain)

    val rule = findMatchingRule(domainLabels)

      sslSocket.sslParameters = sslParameters
    } catch (iae: IllegalArgumentException) {
      // probably java.lang.IllegalArgumentException: Invalid input to toASCII from IDN.toASCII
      throw IOException("Android internal error", iae)
    }
  }

  @SuppressSignatureCheck
  companion object {
    fun buildIfSupported(): SocketAdapter? = if (isSupported()) Android10SocketAdapter() else null

    into(kotlinTemplatesOutput)

    filteringCharset = Charsets.UTF_8.toString()

    expand(
      "projectVersion" to project.version.toString(),
    )
  }

// Build & use okhttp3/internal/idn/IdnaMappingTableInstance.kt
val generateIdnaMappingTableConfiguration: Configuration by configurations.creating
dependencies {
  generateIdnaMappingTableConfiguration(projects.okhttpIdnaMappingTable)
}

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.idn

import java.io.IOException
import okio.Buffer
import okio.BufferedSink
import okio.BufferedSource
import okio.ByteString
import okio.ByteString.Companion.encodeUtf8
import okio.Options

/**

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.idn

import kotlin.math.abs
import kotlin.streams.toList
import okio.Buffer

/** Index [table] for compactness as specified by `IdnaMappingTable`. */