def tokenize(template):
t = Tokens(template)
while not t.at_end():
if t.current_char == '{':
path = t.read_until('}') + t.read_char()
yield Key(path[1:-1].strip())
else:
yield t.read_until('{')
def parse(statement, root_exp=None):
if root_exp is None:
root_exp = and_exp
tokens = list(Tokens(statement))
exp = root_exp(tokens)
if tokens:
raise SyntaxError('Incomplete statement {}'.format(tokens))
return exp
def tokenize(template):
t = Tokens(template)
while not t.at_end():
if t.current_char == '{':
path = t.read_until('}') + t.read_char()
yield Key(path[1:-1].strip())
else:
yield t.read_until('{')
def tokenize_pattern(pattern):
t = Tokens(pattern)
while not t.at_end():
if t.current_char == '/':
yield t.read_char()
elif t.current_char == '{':
yield t.read_until('}') + t.read_char()
else:
yield t.read_until('/{')
def parse(statement, root_exp=None):
term = set(terminators)
if root_exp is None:
root_exp = and_exp
tokens = [
token.lower() if token.lower() in term else token
for token in Tokens(statement)
]
exp = root_exp(tokens)
if tokens:
raise SyntaxError('Incomplete statement {}'.format(tokens))
return exp
