blob: 54df90c40f4398848a231e693be62a91b22146e8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
# -*- coding: utf-8 -*-
"""
pygments.modeline
~~~~~~~~~~~~~~~~~
A simple modeline parser (based on pymodeline).
:copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
__all__ = ['get_filetype_from_buffer']
modeline_re = re.compile(r'''
(?: vi | vim | ex ) (?: [<=>]? \d* )? :
.* (?: ft | filetype | syn | syntax ) = ( [^:\s]+ )
''', re.VERBOSE)
def get_filetype_from_line(l):
m = modeline_re.search(l)
if m:
return m.group(1)
def get_filetype_from_buffer(buf, max_lines=5):
"""
Scan the buffer for modelines and return filetype if one is found.
"""
lines = buf.splitlines()
for l in lines[-1:-max_lines-1:-1]:
ret = get_filetype_from_line(l)
if ret:
return ret
for l in lines[max_lines:0:-1]:
ret = get_filetype_from_line(l)
if ret:
return ret
return None
|
