def skip_white_lines(stream:CharacterStream, readtable:Readtable):
while not stream.next_is_EOF():
seq, properties = readtable.probe(stream)
seq_type = properties.type
if seq_type == RT.NEWLINE:
continue
if seq_type != RT.WHITESPACE:
stream.unread_seq(seq)
return
def read_and_concatenate_constituent_sequences_ignore_isolation(stream:CharacterStream, readtable:Readtable):
concatenation = ""
while not stream.next_is_EOF():
seq, properties = readtable.probe(stream)
if properties.type == RT.CONSTITUENT or properties.type == RT.ISOLATED_CONSTITUENT:
concatenation += seq
else:
stream.unread_seq(seq)
return concatenation
return concatenation