Sha256: 58a624423c035936241207d6a9ac7f5a591eefc559c29b7abaef0aed9ee7b735

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Size: 1010 Bytes

Versions: 3

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Stored size: 1010 Bytes

Contents

# -*- coding: utf-8 -*-
"""
    pygments.modeline
    ~~~~~~~~~~~~~~~~~

    A simple modeline parser (based on pymodeline).

    :copyright: Copyright 2006-2020 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 i in range(max_lines, -1, -1):
        if i < len(lines):
            ret = get_filetype_from_line(lines[i])
            if ret:
                return ret

    return None

Version data entries

3 entries across 3 versions & 1 rubygems

Version Path
pygments.rb-2.0.0 vendor/pygments-main/pygments/modeline.py
pygments.rb-2.0.0.rc3 vendor/pygments-main/pygments/modeline.py
pygments.rb-2.0.0.rc2 vendor/pygments-main/pygments/modeline.py