Adding Oofda & Poke, fix copyright notice.

Adding an experimental Object Sytem (Oofda).
Adding an experimental DI Framework (Poke).

attic/oofda/lib/logging.fs

@@ -0,0 +1,37 @@
+\ Copyright 2023 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
+needs ../oofda.fs
+
+class Logger
+  m: .logString
+  : .cr   nl >r rp@ 1 this .logString rdrop ;
+  : .logNumber ( n -- ) <# #s #> this .logString ;
+  : .log ( a n -- ) this .logString this .cr ;
+end-class
+
+class NullLogger extends Logger
+  : .logString ( a n -- ) 2drop ;
+end-class
+
+class ConsoleLogger extends Logger
+  : .logString ( a n -- ) type ;
+end-class
+
+class FileLogger extends Logger
+  value handle
+  : .construct ( a n -- ) w/o create-file throw to handle ;
+  : .logString ( a n -- ) handle write-file drop ;
+  : .close   handle close-file throw ;
+end-class