sbt/compile/persist/SourceFormat.scala

/* sbt -- Simple Build Tool
 * Copyright 2010 Mark Harrah
 */
package xsbt.api

	import xsbti.SafeLazy
	import xsbti.api._
	import sbt.Using
	import sbinary._
	import DefaultProtocol._
	import Operations.{read,write}
	import java.io.File
	import scala.collection.mutable

object SourceFormat extends Format[Source]
{
	import java.io._
	def reads(in: Input): Source =
	{
		val oin = new ObjectInputStream(new InputWrapperStream(in))
		try { oin.readObject.asInstanceOf[Source] } finally { oin.close() }
	}
	def writes(out: Output, src: Source)
	{
		val oout = new ObjectOutputStream(new OutputWrapperStream(out))
		try { oout.writeObject(src) } finally { oout.close() }
	}
}
final class InputWrapperStream(in: Input) extends java.io.InputStream
{
	def toInt(b: Byte) = if(b < 0) b + 256 else b.toInt
	def read() = try { toInt(in.readByte)  } catch { case e: sbinary.EOF => -1 }
	override def read(b: Array[Byte], off: Int, len: Int) = in.readTo(b, off, len)
}
final class OutputWrapperStream(out: Output) extends java.io.OutputStream
{
	override def write(bs: Array[Byte], off: Int, len: Int) = out.writeAll(bs, off, len)
	def write(b: Int) = out.writeByte(b.toByte)
}

trait References {
	def id(s: Structure): Int
	def id(s: ClassLike): Int
	def structure(id: Int): Structure
	def classLike(id: Int): ClassLike
}