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''' 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()'
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