def post_process(stream, lexdata):
# XXX: this is awfully complicated...
class _Internal(object):
def __init__(self):
self.stack = []
self.words_stack = []
self.stack_level = None
internal = _Internal()
state = "SCANNING_FIELD_ID"
stream = Peeker(stream)
i = stream.next()
while i:
if state == "SCANNING_FIELD_ID":
if i.value in CONDITIONAL_ID.keys():
queue, i = tokenize_conditional(stream, i)
for q in queue:
yield q
elif i.value in META_FIELDS_ID.keys():
queue, i, state = scan_field_id(i, state, stream, lexdata)
for q in queue:
yield q
else:
queue, i = find_next(i, stream, internal)
for q in queue:
yield q
elif state == "SCANNING_SINGLELINE_FIELD":
queue, i, state = singleline_tokenizer(i, state, stream)
for q in queue:
yield q
elif state == "SCANNING_MULTILINE_FIELD":
queue, i, state = multiline_tokenizer(i, state, stream, internal)
while len(queue) > 0:
yield queue.pop()
elif state == "SCANNING_WORD_FIELD":
queue, i, state = word_tokenizer(i, state, stream)
for t in queue:
yield t
elif state == "SCANNING_WORDS_FIELD":
queue, i, state = words_tokenizer(i, state, stream, internal)
for q in queue:
yield q
elif state == "SCANNING_COMMA_LIST_FIELD":
queue, i, state = comma_list_tokenizer(i, state, stream, internal)
for q in queue:
yield q
else:
raise ValueError("Unknown state: %s" % state)
def merge_escaped(stream):
stream = Peeker(stream, EOF)
queue = []
t = gen_next(stream)
while t:
if t.escaped:
queue.append(t)
else:
if t.type == "WORD":
if queue:
queue.append(t)
n = stream.peek()
if not n.escaped:
t.value = "".join([c.value for c in queue])
yield t
queue = []
else:
n = stream.peek()
if n.escaped:
queue.append(t)
else:
yield t
else:
if queue:
queue[-1].value = "".join([c.value for c in queue])
queue[-1].type = "WORD"
yield queue[-1]
queue = []
yield t
try:
t = gen_next(stream)
except StopIteration:
if queue:
t.value = "".join([c.value for c in queue])
t.type = "WORD"
yield t
return
