minor: removedead code

scripts-src/rle.coffee

@@ -1,71 +1,9 @@
-###
-Library for RLE ensocing and decoding, used by Life programs
-###
-# Requires: nothing.
-###
-Encoder, creating RLE string from cell data
-###
-class RLEEncoder
-  constructor: ->
-    @stack = []
-    @cur_item = null
+#
+# Library for RLE ensocing and decoding, used by Life programs
+#
+# Parse Life RLE string, producing 2 arrays: Xs and Ys.
+#
 
-  get_cur_char: ->
-    ci = @cur_item
-    unless ci?
-      null
-    else
-      ci[0]
-
-  put_cell: (value) -> @put (if value then "o" else "b")
-
-  newline: -> @put "$"
-
-  put: (c) ->
-    throw "Character " + c + " is wrong"  unless c in ["b", "o", "$"]
-    cur_char = @get_cur_char()
-    if c is cur_char
-      @cur_item[1] += 1
-    else
-      if c is "$" and cur_char is "b"
-        @pop()
-        @put c
-      else
-        @cur_item = [c, 1]
-        @stack.push @cur_item
-
-  pop: ->
-    stk = @stack
-    stk.pop()
-    if stk.length is 0
-      @cur_item = null
-    else
-      @cur_item = stk[stk.length - 1]
-
-  trim_zeros: ->
-    stk = @stack
-    loop
-      len = stk.length
-      if len > 0
-        c = stk[len - 1][0]
-        if c is "$" or c is "b"
-          stk.pop()
-          continue
-      break
-
-  get_rle: ->
-    @trim_zeros()
-    output = ""
-    for [c, cnt] in @stack
-      if cnt > 1
-        output += cnt
-      output += c
-    output
-
-
-###
-Parse Life RLE string, producing 2 arrays: Xs and Ys.
-###
 exports.parse_rle = (rle_string, put_cell) ->
   x = 0
   y = 0