1 files changed, 64 insertions, 0 deletions
diff --git a/intern/python/modules/mcf/utils/rangeval.py b/intern/python/modules/mcf/utils/rangeval.py
new file mode 100644
index 00000000000..dd166dbebfb
--- /dev/null
+++ b/intern/python/modules/mcf/utils/rangeval.py
@@ -0,0 +1,64 @@
+''' Classes which match ranges, sets, or anything at all. '''
+import dummy # provides storage functions as well as a few others
+
+class BetwVal(dummy.Dummy):
+	'''
+	Matches any object greater than smaller and less than larger
+	'''
+	def __init__(self, first, second):
+		if first <= second:
+			dummy.Dummy.__init__(self, [first, second])
+		else:
+			dummy.Dummy.__init__(self, [second, first])
+	def __getinitargs__(self):
+		return (self._base[0], self._base[1])
+	def __cmp__(self, object):
+		'''The Guts of the Class, allows standard comparison operators'''
+		if self._base[0]<=object:
+			if self._base[1] >=object:
+				return 0
+			else: return 1
+		else: return -1
+	def __repr__(self):
+		return '%s(%s,%s)'% (self.__class__.__name__,`self._base[0]`,`self._base[1]`)
+
+class WInVal(dummy.Dummy):
+	'''
+	Matches any value in the sequential object used as initialiser
+	Doesn't gracefully handle situations where not found, as it just
+	returns a -1
+	'''
+	def __init__(self,seq):
+		self._base = seq
+	def __cmp__(self, object):
+		''' Standard comparison operators '''
+		for x in self._base:
+			if x == object:
+				return 0
+		return -1
+	def __repr__(self):
+		return '%s(%s)'% (self.__class__.__name__,`self._base`)
+
+class ExceptVal(WInVal):
+	'''
+	A negative Version of WInVal
+	'''
+	def __cmp__(self, object):
+		for x in self._base:
+			if x == object:
+				return -1
+		return 0
+
+class AnyVal:
+	'''
+	Matches anything at all
+	'''
+	def __init__(self):
+		pass
+	def __getinitargs__(self):
+		return ()
+	def __cmp__(self, object):
+		return 0
+	def __repr__(self):
+		return 'AnyVal()'
+