org.ekrich.config.impl.ConfigNodePath.scala Maven / Gradle / Ivy

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Configuration library for Scala using HOCON files

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/**
 *   Copyright (C) 2015 Typesafe Inc. 
 */
package org.ekrich.config.impl

import org.ekrich.config.ConfigException
import java.{util => ju}

final class ConfigNodePath private[impl] (
    path: Path,
    tokensArg: ju.Collection[Token]
) extends AbstractConfigNode {
  override def tokens: ju.Collection[Token] = tokensArg
  private[impl] def value: Path             = path
  private[impl] def subPath(toRemove: Int): ConfigNodePath = {
    var periodCount = 0
    val tokensCopy  = new ju.ArrayList[Token](tokensArg)
    var i           = 0
    while (i < tokensCopy.size) {
      if (Tokens.isUnquotedText(tokensCopy.get(i)) && tokensCopy
            .get(i)
            .tokenText == ".") {
        periodCount += 1
      }
      if (periodCount == toRemove)
        return new ConfigNodePath(
          path.subPath(toRemove),
          tokensCopy.subList(i + 1, tokensCopy.size)
        )

      i += 1
    }
    throw new ConfigException.BugOrBroken(
      "Tried to remove too many elements from a Path node"
    )
  }
  private[impl] def first: ConfigNodePath = {
    val tokensCopy = new ju.ArrayList[Token](tokens)
    var i          = 0
    while (i < tokensCopy.size) {
      if (Tokens.isUnquotedText(tokensCopy.get(i)) && tokensCopy
            .get(i)
            .tokenText == ".")
        return new ConfigNodePath(path.subPath(0, 1), tokensCopy.subList(0, i))

      i += 1
    }
    this
  }
}