* strictly ASCII. This is intended to make it efficient to encode this data as a string, and to
 * index into it as a string.
 *
 * The mappings data contains non-ASCII characters.
 */
internal class IdnaMappingTable internal constructor(
  val sections: String,
  val ranges: String,
  val mappings: String,
) {
  /**
   * Returns true if the [codePoint] was applied successfully. Returns false if it was disallowed.

  val path = "/okhttp3/internal/idna/IdnaMappingTable.txt".toPath()
  val table =
    FileSystem.RESOURCES.read(path) {
      readPlainTextIdnaMappingTable()
    }
  return buildIdnaMappingTableData(table)
}

/**
 * Generate a file containing the mapping table's string literals, like this:
 *
 * ```
 * internal val IDNA_MAPPING_TABLE: IdnaMappingTable = IdnaMappingTable(
 *   sections = "...",
 *   ranges = "...",

  private lateinit var compactTable: IdnaMappingTable

  @BeforeEach
  fun setUp() {
    val path = "/okhttp3/internal/idna/IdnaMappingTable.txt".toPath()
    val plainTable =
      FileSystem.RESOURCES.read(path) {
        readPlainTextIdnaMappingTable()
      }
    table = plainTable
    val data = buildIdnaMappingTableData(plainTable)
    compactTable =
      IdnaMappingTable(
        sections = data.sections,

 * 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`. */
fun buildIdnaMappingTableData(table: SimpleIdnaMappingTable): IdnaMappingTableData {
  val simplified = mergeAdjacentRanges(table.mappings)
  val withoutSectionSpans = withoutSectionSpans(simplified)

}
val generateIdnaMappingTable =
  tasks.register<JavaExec>("generateIdnaMappingTable") {
    val idnaOutput = layout.buildDirectory.dir("generated/sources/idnaMappingTable")

    outputs.dir(idnaOutput)
    mainClass.set("okhttp3.internal.idn.GenerateIdnaMappingTableCode")
    args(idnaOutput.get())
    classpath = generateIdnaMappingTableConfiguration
  }

kotlin {

# no rules should be needed

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

  companion object {
    /** Arbitrary code point that's 2 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_2 = 0x1a5

    /** Arbitrary code point that's 3 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_3 = 0x2202

    /** Arbitrary code point that's 4 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_4 = 0x1d11e

    /**

  when (val newline = indexOf('\n'.code.toByte())) {
    -1L -> skip(buffer.size)

    // Exhaust this source.
    else -> skip(newline + 1)
  }
}

/**
 * Reads lines from `IdnaMappingTable.txt`.
 *
 * Comment lines are either blank or start with a `#` character. Lines may also end with a comment.
 * All comments are ignored.
 *
 * Regular lines contain fields separated by semicolons.
 *