def extend_with_gap(from_iter, ws, delta):
n = None
for p, n in iter_lines(from_iter, delta):
if line_is_empty(n):
ne = get_next_not_empty_line(n, delta)
if ne and len(get_whitespace(ne)) >= ws:
n.set_line(ne.get_line())
else:
return p
n_ws = len(get_whitespace(n))
if n_ws < ws:
return p
return n if n else from_iter.copy()
def extend_block_without_gap(from_iter, ws, delta):
n = None
for p, n in iter_lines(from_iter, delta):
if line_is_empty(n):
ne = get_next_not_empty_line(n, delta)
if ne:
n.set_line(ne.get_line())
else:
return p
n_ws = len(get_whitespace(n))
if n_ws < ws or ( n_ws == ws and len(line_text(n).strip()) > 4 ):
return p
return n if n else from_iter.copy()
