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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2006, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.runtime;
import Predef.Class
[serializable]
final class BoxedCharArray(val value: Array[Char]) extends BoxedArray {
def length: Int = value.length;
def apply(index: Int): Any = Char.box(value(index));
def update(index: Int, elem: Any): Unit = {
value(index) = Char.unbox(elem.asInstanceOf[AnyRef])
}
def unbox(elemTag: String): AnyRef = value;
def unbox(elemClass: Class): AnyRef = value;
override def equals(other: Any) = (
value == other ||
other.isInstanceOf[BoxedCharArray] && value == other.asInstanceOf[BoxedCharArray].value
);
override def hashCode(): Int = value.hashCode();
def subArray(start: Int, end: Int): Array[Char] = {
val result = new Array[Char](end - start);
Array.copy(value, start, result, 0, end - start)
result
}
final override def filter(p: Any => Boolean): BoxedArray = {
val include = new Array[Boolean](value.length);
var len = 0;
var i = 0;
while (i < value.length) {
if (p(value(i))) { include(i) = true; len = len + 1 }
i = i + 1
}
val result = new Array[Char](len);
len = 0;
i = 0;
while (len < result.length) {
if (include(i)) { result(len) = value(i); len = len + 1 }
i = i + 1
}
new BoxedCharArray(result)
}
}
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