aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/Pygments/py3/pygments/lexers/scdoc.py
blob: 48b0682ae337b146f9027e43de3f9f71a3904ea8 (plain) (blame)
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
"""
    pygments.lexers.scdoc
    ~~~~~~~~~~~~~~~~~~~~~

    Lexer for scdoc, a simple man page generator.

    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

import re

from pygments.lexer import RegexLexer, include, bygroups, \
    using, this
from pygments.token import Text, Comment, Keyword, String, \
    Generic


__all__ = ['ScdocLexer']


class ScdocLexer(RegexLexer):
    """
    `scdoc` is a simple man page generator for POSIX systems written in C99.
    https://git.sr.ht/~sircmpwn/scdoc

    .. versionadded:: 2.5
    """
    name = 'scdoc'
    aliases = ['scdoc', 'scd']
    filenames = ['*.scd', '*.scdoc']
    flags = re.MULTILINE

    tokens = {
        'root': [
            # comment
            (r'^(;.+\n)', bygroups(Comment)),

            # heading with pound prefix
            (r'^(#)([^#].+\n)', bygroups(Generic.Heading, Text)),
            (r'^(#{2})(.+\n)', bygroups(Generic.Subheading, Text)),
            # bulleted lists
            (r'^(\s*)([*-])(\s)(.+\n)',
            bygroups(Text, Keyword, Text, using(this, state='inline'))),
            # numbered lists
            (r'^(\s*)(\.+\.)( .+\n)',
            bygroups(Text, Keyword, using(this, state='inline'))),
            # quote
            (r'^(\s*>\s)(.+\n)', bygroups(Keyword, Generic.Emph)),
            # text block
            (r'^(```\n)([\w\W]*?)(^```$)', bygroups(String, Text, String)),

            include('inline'),
        ],
        'inline': [
            # escape
            (r'\\.', Text),
            # underlines
            (r'(\s)(_[^_]+_)(\W|\n)', bygroups(Text, Generic.Emph, Text)),
            # bold
            (r'(\s)(\*[^*]+\*)(\W|\n)', bygroups(Text, Generic.Strong, Text)),
            # inline code
            (r'`[^`]+`', String.Backtick),

            # general text, must come last!
            (r'[^\\\s]+', Text),
            (r'.', Text),
        ],
    }

    def analyse_text(text):
        """This is very similar to markdown, save for the escape characters
        needed for * and _."""
        result = 0

        if '\\*' in text:
            result += 0.01

        if '\\_' in text:
            result += 0.01

        return result