New trunk

bzr revid: pinky-3f10ee12cea3c4c75cef44ab04ad33ef47432907

1 files changed, 27 insertions, 0 deletions

diff --git a/bin/pychart/typechecker.py b/bin/pychart/typechecker.py
new file mode 100644
index 00000000000..ce88ffa97ef
--- /dev/null
+++ b/bin/pychart/typechecker.py
@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2000-2005 by Yasushi Saito (yasushi.saito@gmail.com)
+# 
+# Jockey is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any
+# later version.
+#
+# Jockey 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.  See the GNU General Public License
+# for more details.
+#
+import types
+class IntervalTypeClass:
+    def typeCheck(self, val):
+        if type(val) in (types.IntType, types.LongType, types.FloatType,
+                         types.FunctionType):
+            return None
+        return "Expecting a number or a function, but received '%s'", val
+    def typeDescription(self):
+        return "A number or function"
+    def varDescription(self, name):
+        return "A number or function"
+
+IntervalType = IntervalTypeClass()
+