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

Show more of this group Show more artifacts with this name
Show all versions of sconfig_sjs1.0-RC2_2.13 Show documentation
Configuration library for Scala using HOCON files
The newest version!
/**
 *   Copyright (C) 2011-2012 Typesafe Inc. 
 */
package org.ekrich.config.impl

import java.{lang => jl}
import java.io.ObjectStreamException
import java.io.Serializable
import org.ekrich.config.ConfigOrigin
import org.ekrich.config.ConfigRenderOptions
import org.ekrich.config.ConfigValueType

@SerialVersionUID(2L)
object ConfigString {
  final private[impl] class Quoted private[impl] (
      origin: ConfigOrigin,
      value: String
  ) extends ConfigString(origin, value) {
    override def newCopy(origin: ConfigOrigin) =
      new ConfigString.Quoted(origin, value)

    // serialization all goes through SerializedConfigValue
    @throws[ObjectStreamException]
    private def writeReplace(): jl.Object = new SerializedConfigValue(this)
  }
  // this is sort of a hack; we want to preserve whether whitespace
  // was quoted until we process substitutions, so we can ignore
  // unquoted whitespace when concatenating lists or objects.
  // We dump this distinction when serializing and deserializing,
  // but that's OK because it isn't in equals/hashCode, and we
  // don't allow serializing unresolved objects which is where
  // quoted-ness matters. If we later make ConfigOrigin point
  // to the original token range, we could use that to implement
  // wasQuoted()
  final private[impl] class Unquoted private[impl] (
      origin: ConfigOrigin,
      value: String
  ) extends ConfigString(origin, value) {
    override def newCopy(origin: ConfigOrigin) =
      new ConfigString.Unquoted(origin, value)

    @throws[ObjectStreamException]
    private def writeReplace(): jl.Object = new SerializedConfigValue(this)
  }
}

@SerialVersionUID(2L)
abstract class ConfigString(origin: ConfigOrigin, val value: String)
    extends AbstractConfigValue(origin)
    with Serializable {
  private[impl] def wasQuoted = this.isInstanceOf[ConfigString.Quoted]

  override def valueType: ConfigValueType = ConfigValueType.STRING

  override def unwrapped: String = value

  override def transformToString: String = value

  override def render(
      sb: jl.StringBuilder,
      indent: Int,
      atRoot: Boolean,
      options: ConfigRenderOptions
  ): Unit = {
    var rendered =
      if (options.getJson) ConfigImplUtil.renderJsonString(value)
      else ConfigImplUtil.renderStringUnquotedIfPossible(value)
    sb.append(rendered)
  }
}