def assert_simple(self, stream, start, stop, algorithm, target):
matcher = Repeat(RangeMatch(), start, stop, algorithm=algorithm)
matcher.config.no_full_first_match()
result = list(matcher.match_list(stream))
#print(result)
result = [''.join(map(str, l)) for (l, _s) in result]
assert target == result, result
def assert_separator(self, stream, start, stop, algorithm, target):
matcher = Repeat(Any('abc'), start, stop,
algorithm=algorithm, separator=Any(','))
matcher.config.no_full_first_match()
result = [''.join(l)
for (l, _s) in matcher.match_string(stream)]
assert target == result, result
def assert_simple(self, stream, start, stop, algorithm, target):
matcher = Repeat(RangeMatch(), start, stop, algorithm=algorithm)
matcher.config.no_full_first_match()
result = list(matcher.match_list(stream))
#print(result)
result = [''.join(map(str, l)) for (l, _s) in result]
assert target == result, result
def assert_separator(self, stream, start, stop, algorithm, target):
matcher = Repeat(Any('abc'),
start,
stop,
algorithm=algorithm,
separator=Any(','))
matcher.config.no_full_first_match()
result = [''.join(l) for (l, _s) in matcher.match_string(stream)]
assert target == result, result
def repeat(m, st=0, sp=None, d=0, s=None, a=False):
'''
Wrap `Repeat` to adapt the separator.
'''
if s is None:
s = separator
elif not a:
s = And(separator, s, separator)
return Repeat(m, st, sp, d, s, a)
def RepeatWrapper(matcher, start, stop, step, separator, add, reduce):
'''Parse `step` if it is a string.'''
# Handle circular dependencies
from lepl.matchers.derived import Repeat
try:
int(step) # if this works, we may have a var, so keep the instance
limit = step
algorithm = DEPTH_FIRST
except ValueError:
if (isinstance(step, basestring)):
limit = None
algorithm = None
while step:
match = DIGITS.match(step)
if match:
if limit is None:
limit = int(match.group(1))
step = match.group(2)
else:
raise TypeError(
fmt('Cannot parse limit/algorithm for []: {}',
step))
else:
if algorithm is None:
algorithm = step[0]
step = step[1:]
else:
raise TypeError(
'The step of [...] must be an integer limit, or a '
'string to select the algorithm, or both as a string '
'like "d1" for a single value, depth first')
return Repeat(matcher,
start=start,
stop=stop,
limit=limit,
algorithm=algorithm,
separator=separator,
add_=add,
reduce=reduce)
