/*
 * Copyright © 2025-2026 Apple Inc. and the Pkl project authors. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * 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 org.pkl.cli

import java.io.OutputStream
import org.pkl.commons.cli.CliException
import org.pkl.core.util.IoUtils

fun checkPathSpec(pathSpec: String) {
  val illegal = pathSpec.indexOfFirst { IoUtils.isReservedFilenameChar(it) && it != '/' }
  if (illegal == -1) {
    return
  }
  throw CliException("Path spec `$pathSpec` contains illegal character `${pathSpec[illegal]}`.")
}

fun OutputStream.writeText(text: String) = write(text.toByteArray())

fun OutputStream.writeLine(text: String) {
  writeText(text)
  writeText("\n")
}
