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Python

"""
pygments.lexers.scdoc
~~~~~~~~~~~~~~~~~~~~~
Lexer for scdoc, a simple man page generator.
:copyright: Copyright 2006-2022 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.
.. versionadded:: 2.5
"""
name = 'scdoc'
url = 'https://git.sr.ht/~sircmpwn/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