X-Git-Url: http://nitlanguage.org

diff --git a/lib/filter_stream.nit b/lib/filter_stream.nit
deleted file mode 100644
index f1537e4..0000000
--- a/lib/filter_stream.nit
+++ /dev/null
@@ -1,139 +0,0 @@
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# Copyright 2006 Floréal Morandat <morandat@lirmm.fr>
-# Copyright 2009 Jean-Sebastien Gelinas <calestar@gmail.com>
-#
-# This file is free software, which comes along with NIT.  This software is
-# distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
-# without  even  the implied warranty of  MERCHANTABILITY or  FITNESS FOR A
-# PARTICULAR PURPOSE.  You can modify it is you want,  provided this header
-# is kept unaltered, and a notification of the changes is added.
-# You  are  allowed  to  redistribute it and sell it, alone or is a part of
-# another product.
-
-class FilterReader
-	super Reader
-	# Filter readed elements
-	var stream: nullable Reader = null
-
-	redef fun eof: Bool
-	do
-		assert stream != null
-		return stream.eof
-	end
-end
-
-class FilterWriter
-	super Writer
-	# Filter outputed elements
-	var stream: nullable Writer = null
-
-	# Can the stream be used to write
-	redef fun is_writable: Bool
-	do
-		assert stream != null
-		return stream.is_writable
-	end
-end
-
-class StreamCat
-	super FilterReader
-	private var streams: Iterator[Reader]
-
-	redef fun eof: Bool
-	do
-		if stream == null then
-			return true
-		else if stream.eof then
-			stream.close
-			stream = null
-			return eof
-		else
-			return false
-		end
-	end
-
-	redef fun stream: nullable Reader
-	do
-		var res = super
-		if res == null and _streams.is_ok then
-			res = _streams.item
-			stream = res
-			assert stream != null
-			_streams.next
-		end
-		return res
-	end
-
-	redef fun read_char
-	do
-		assert not eof
-		return stream.read_char
-	end
-
-	redef fun close
-	do
-		while stream != null do
-			stream.close
-			stream = null
-		end
-	end
-
-	init with_streams(streams: Array[Reader])
-	do
-		_streams = streams.iterator
-	end
-
-	init(streams: Reader ...) is old_style_init do
-		_streams = streams.iterator
-	end
-end
-
-class StreamDemux
-	super FilterWriter
-	private var streams: Array[Writer]
-
-	redef fun is_writable: Bool
-	do
-		if stream.is_writable then
-			return true
-		else
-			for i in _streams
-			do
-				if i.is_writable then
-					return true
-				end
-			end
-			return false
-		end
-	end
-
-	redef fun write(s: Text)
-	do
-		for i in _streams
-		do
-			stream = i
-			if stream.is_writable then
-				stream.write(s)
-			end
-		end
-	end
-
-	redef fun close
-	do
-		for i in _streams
-		do
-			stream = i
-			stream.close
-		end
-	end
-
-	init with_streams(streams: Array[Writer])
-	do
-		_streams = streams
-	end
-
-	init(streams: Writer ...) is old_style_init do
-		_streams = streams
-	end
-end