Write plist without REXML

Filters/plistWriter.rb

@@ -15,58 +15,49 @@ class PlistData
   end
 end
 
-def _encodePlist(object)
-  e = nil
+def _encodePlist(destination, object, indent)
+  destination.print " "*indent
   case object 
   when false then
-    e = REXML::Element.new("false")
+    destination.print "<false/>\n"
   when true then
-    e = REXML::Element.new("true")
+    destination.print "<true/>\n"
   when String then
-    e = REXML::Element.new("string")
-    e.add_text(object)
+    destination.print "<string>#{object}</string>\n"
   when PlistData then
-    e = REXML::Element.new("data")
-    e.add_text(object.to_s)
+    destination.print "<data>#{object}</data>\n"
   when Integer then
-    e = REXML::Element.new("integer")
-    e.add_text(object.to_s)
+    destination.print "<integer>#{object}</integer>\n"
   when Float then
-    e = REXML::Element.new("real")
-    e.add_text(object.to_s)
+    destination.print "<real>#{object}</real>\n"
   when Time then
-    e = REXML::Element.new("date")
-    e.add_text(object.utc.xmlschema)
+    destination.print "<date>#{object.utc.xmlschema}</date>\n"
   when Array then
-    e = REXML::Element.new("array")
+    destination.print "<array>\n"
     object.each do |elt|
-      e.add_element(_encodePlist(elt))
+      _encodePlist(destination, elt, indent+2)
     end
+    destination.print "#{" "*indent}</array>\n"
   when Hash then
-    e = REXML::Element.new("dict")
+    destination.print "<dict>\n"
     object.keys.sort.each do |key|
-      k = REXML::Element.new("key")
-      k.add_text(key)
-      e.add_element(k)
-      e.add_element(_encodePlist(object[key]))
+      destination.print "#{" "*indent}  <key>#{key}</key>\n"
+      _encodePlist(destination, object[key], indent+2)
     end
+    destination.print "#{" "*indent}</dict>\n"
   else
     raise "plistWriter can't encode objects of type `#{object.class}'"
   end
-
-  return e
 end
 
 def writePlist(destination, object)
-  doc = REXML::Document.new
-  doc.add REXML::XMLDecl.new("1.0", "UTF-8")
-  doc.add REXML::DocType.new(["plist", "PUBLIC", 
-                              "\"-//Apple//DTD PLIST 1.0//EN\"",
-                              "\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\""])
-  contents = REXML::Element.new("plist")
-  contents.add_attribute("version", "1.0")
-  contents.add_element(_encodePlist(object))
+  destination.print <<'HEADER'
+<?xml version='1.0' encoding='UTF-8'?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version='1.0'>
+HEADER
 
-  doc.add_element(contents)
-  doc.write(destination, 0)
+  _encodePlist(destination, object, 2)
+
+  destination.print "</plist>\n"
 end