def test_regex(self):
g = VisualRegexGrammar()
self._parseStringTest(g.regex(), 'a', Schema.LiteralChar(char='a'))
self._parseStringTest(
g.regex(), 'abc|def',
Schema.Choice(subexps=[
Schema.Sequence(subexps=[
Schema.LiteralChar(char='a'),
Schema.LiteralChar(char='b'),
Schema.LiteralChar(char='c')
]),
Schema.Sequence(subexps=[
Schema.LiteralChar(char='d'),
Schema.LiteralChar(char='e'),
Schema.LiteralChar(char='f')
])
]))
self._parseStringTest(
g.regex(), r'[\w\-][\w\-\.]+@[\w\-][\w\-\.]+[a-zA-Z]{1,4}',
Schema.Sequence(subexps=[
Schema.CharSet(items=[
Schema.CharSetChar(char=Schema.CharClass(cls='w')),
Schema.CharSetChar(char=Schema.EscapedChar(char='-'))
]),
Schema.OneOrMore(subexp=Schema.CharSet(items=[
Schema.CharSetChar(char=Schema.CharClass(cls='w')),
Schema.CharSetChar(char=Schema.EscapedChar(char='-')),
Schema.CharSetChar(char=Schema.EscapedChar(char='.'))
])),
Schema.LiteralChar(char='@'),
Schema.CharSet(items=[
Schema.CharSetChar(char=Schema.CharClass(cls='w')),
Schema.CharSetChar(char=Schema.EscapedChar(char='-'))
]),
Schema.OneOrMore(subexp=Schema.CharSet(items=[
Schema.CharSetChar(char=Schema.CharClass(cls='w')),
Schema.CharSetChar(char=Schema.EscapedChar(char='-')),
Schema.CharSetChar(char=Schema.EscapedChar(char='.'))
])),
Schema.RepeatRange(subexp=Schema.CharSet(items=[
Schema.CharSetRange(min=Schema.LiteralChar(char='a'),
max=Schema.LiteralChar(char='z')),
Schema.CharSetRange(min=Schema.LiteralChar(char='A'),
max=Schema.LiteralChar(char='Z'))
]),
min='1',
max='4',
greedy='1')
]))
def test_choice(self):
g = VisualRegexGrammar()
self._parseStringTest(
g.choice(), 'abc|def',
Schema.Choice(subexps=[
Schema.Sequence(subexps=[
Schema.LiteralChar(char='a'),
Schema.LiteralChar(char='b'),
Schema.LiteralChar(char='c')
]),
Schema.Sequence(subexps=[
Schema.LiteralChar(char='d'),
Schema.LiteralChar(char='e'),
Schema.LiteralChar(char='f')
])
]))
def choice(self):
return (self.sequence() + (Literal('|') + self.sequence()).oneOrMore()
).action(lambda input, begin, end, x, bindings: Schema.Choice(
subexps=[x[0]] + [p[1] for p in x[1]])) | self.sequence()