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"""
pygments.lexers.scdoc
~~~~~~~~~~~~~~~~~~~~~
Lexer for scdoc, a simple man page generator.
:copyright: Copyright 2006-2025 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.
"""
name = 'scdoc'
url = 'https://git.sr.ht/~sircmpwn/scdoc'
aliases = ['scdoc', 'scd']
filenames = ['*.scd', '*.scdoc']
version_added = '2.5'
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):
"""We checks for bold and underline text with * and _. Also
every scdoc file must start with a strictly defined first line."""
result = 0
if '*' in text:
result += 0.01
if '_' in text:
result += 0.01
# name(section) ["left_footer" ["center_header"]]
first_line = text.partition('\n')[0]
scdoc_preamble_pattern = r'^.*\([1-7]\)( "[^"]+"){0,2}$'
if re.search(scdoc_preamble_pattern, first_line):
result += 0.5
return result
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