def matchSingleValue(regex):
"""
Regex only match one exact string.
>>> matchSingleValue(RegexEmpty())
True
>>> matchSingleValue(createString("abc"))
True
>>> matchSingleValue(createRange("a", "b"))
False
>>> matchSingleValue(createRange("a"))
True
>>> matchSingleValue(RegexAnd((RegexStart(), createString("abc"))))
True
"""
cls = regex.__class__
if cls in (RegexEmpty, RegexString, RegexStart, RegexEnd):
return True
if cls == RegexAnd:
return all( matchSingleValue(item) for item in regex )
if cls == RegexRange:
return len(regex.ranges) == 1 and len(regex.ranges[0]) == 1
return False
def matchSingleValue(regex):
"""
Regex only match one exact string.
>>> matchSingleValue(RegexEmpty())
True
>>> matchSingleValue(createString("abc"))
True
>>> matchSingleValue(createRange("a", "b"))
False
>>> matchSingleValue(createRange("a"))
True
>>> matchSingleValue(RegexAnd((RegexStart(), createString("abc"))))
True
"""
cls = regex.__class__
if cls in (RegexEmpty, RegexString, RegexStart, RegexEnd):
return True
if cls == RegexAnd:
return all(matchSingleValue(item) for item in regex)
if cls == RegexRange:
return len(regex.ranges) == 1 and len(regex.ranges[0]) == 1
return False
def _eq(self, other):
if len(self.content) != len(other.content):
return False
return all( item[0] == item[1] for item in itertools.izip(self.content, other.content) )
def _eq(self, other):
if len(self.content) != len(other.content):
return False
return all(item[0] == item[1]
for item in itertools.izip(self.content, other.content))
