org.ekrich.config.impl.ConfigNodeSimpleValue.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 ConfigNodeSimpleValue private[impl] (val token: Token)
    extends AbstractConfigNodeValue {
  override def tokens: ju.Collection[Token] =
    ju.Collections.singletonList(token)

  private[impl] def value: AbstractConfigValue = {
    if (Tokens.isValue(token)) return Tokens.getValue(token)
    else if (Tokens.isUnquotedText(token))
      return new ConfigString.Unquoted(
        token.origin,
        Tokens.getUnquotedText(token)
      )
    else if (Tokens.isSubstitution(token)) {
      val expression =
        Tokens.getSubstitutionPathExpression(token)
      val path =
        PathParser.parsePathExpression(expression.iterator, token.origin)
      val optional = Tokens.getSubstitutionOptional(token)
      return new ConfigReference(
        token.origin,
        new SubstitutionExpression(path, optional)
      )
    }
    throw new ConfigException.BugOrBroken(
      "ConfigNodeSimpleValue did not contain a valid value token"
    )
  }
}