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/* NSC -- new Scala compiler
* Copyright 2005-2013 LAMP/EPFL
* @author Paul Phillips
*/
package scala.tools.nsc
package interpreter
import jline.console.completer.ArgumentCompleter.{ ArgumentDelimiter, ArgumentList }
class JLineDelimiter extends ArgumentDelimiter {
def toJLine(args: List[String], cursor: Int) = args match {
case Nil => new ArgumentList(new Array[String](0), 0, 0, cursor)
case xs => new ArgumentList(xs.toArray, xs.size - 1, xs.last.length, cursor)
}
def delimit(buffer: CharSequence, cursor: Int) = {
val p = Parsed(buffer.toString, cursor)
toJLine(p.args, cursor)
}
def isDelimiter(buffer: CharSequence, cursor: Int) = Parsed(buffer.toString, cursor).isDelimiter
}
trait Delimited {
self: Parsed =>
def delimited: Char => Boolean
def escapeChars: List[Char] = List('\\')
/** Break String into args based on delimiting function.
*/
protected def toArgs(s: String): List[String] =
if (s == "") Nil
else (s indexWhere isDelimiterChar) match {
case -1 => List(s)
case idx => (s take idx) :: toArgs(s drop (idx + 1))
}
def isDelimiterChar(ch: Char) = delimited(ch)
def isEscapeChar(ch: Char): Boolean = escapeChars contains ch
}
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