scalaql.csv.CsvConfig.scala Maven / Gradle / Ivy

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package scalaql.csv

sealed abstract class Quoting(private[scalaql] val toTototoshi: com.github.tototoshi.csv.Quoting)
    extends Product
    with Serializable

object Quoting {
  case object QuoteAll        extends Quoting(com.github.tototoshi.csv.QUOTE_ALL)
  case object QuoteMinimal    extends Quoting(com.github.tototoshi.csv.QUOTE_MINIMAL)
  case object QuoteNone       extends Quoting(com.github.tototoshi.csv.QUOTE_NONE)
  case object QuoteNonNumeric extends Quoting(com.github.tototoshi.csv.QUOTE_NONNUMERIC)
}

case class CsvConfig(
  delimiter:           Char,
  quoteChar:           Char,
  escapeChar:          Char,
  lineTerminator:      String,
  quoting:             Quoting,
  treatEmptyLineAsNil: Boolean) { self =>

  private[scalaql] def toTototoshi: com.github.tototoshi.csv.CSVFormat =
    new com.github.tototoshi.csv.CSVFormat {
      override val delimiter: Char                           = self.delimiter
      override val quoteChar: Char                           = self.quoteChar
      override val escapeChar: Char                          = self.escapeChar
      override val lineTerminator: String                    = self.lineTerminator
      override val quoting: com.github.tototoshi.csv.Quoting = self.quoting.toTototoshi
      override val treatEmptyLineAsNil: Boolean              = self.treatEmptyLineAsNil
    }
}

object CsvConfig extends LowPriorityCsvConfig {
  val tsv: CsvConfig = CsvConfig(
    delimiter = '\t',
    quoteChar = '"',
    escapeChar = '\\',
    lineTerminator = "\r\n",
    quoting = Quoting.QuoteNone,
    treatEmptyLineAsNil = false
  )
}

trait LowPriorityCsvConfig {
  implicit val default: CsvConfig = CsvConfig(
    delimiter = ',',
    quoteChar = '"',
    escapeChar = '"',
    lineTerminator = "\r\n",
    quoting = Quoting.QuoteMinimal,
    treatEmptyLineAsNil = false
  )
}