* See the License for the specific language governing permissions and
 * limitations under the License.
 */
@file:JvmName("GenerateIdnaMappingTableCode")

package okhttp3.internal.idn

import com.squareup.kotlinpoet.ClassName
import com.squareup.kotlinpoet.FileSpec
import com.squareup.kotlinpoet.KModifier
import com.squareup.kotlinpoet.PropertySpec
import java.io.File
import okio.FileSystem

 * 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 okio.ByteString

internal sealed interface MappedRange {
  val rangeStart: Int

  data class Constant(
    override val rangeStart: Int,
    val type: Int,

  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);
  }

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.idn

import assertk.assertThat
import assertk.assertions.containsExactly
import assertk.assertions.isEqualTo
import okhttp3.internal.idn.MappedRange.InlineDelta
import okio.Buffer
import okio.ByteString
import okio.ByteString.Companion.encodeUtf8
import org.junit.jupiter.api.Test

  from("src/main/kotlinTemplates")
  into("$buildDir/generated/sources/kotlinTemplates")
  expand("projectVersion" to project.version)
  filteringCharset = Charsets.UTF_8.toString()
}

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

   * ```
   *
   * @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

 * limitations under the License.
 */
@file:Suppress("ktlint:standard:filename")

package okhttp3.internal

import okhttp3.internal.idn.IDNA_MAPPING_TABLE
import okhttp3.internal.idn.Punycode
import okio.Buffer

/**
 * Quick and dirty pattern to differentiate IP addresses from hostnames. This is an approximation
 * of Android's private InetAddress#isNumeric API.
 *

 * 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.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertNull

class PunycodeTest {
  /** https://datatracker.ietf.org/doc/html/rfc3492#section-7.1 */
  @Test fun rfc3492Samples() {

 * 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

/**