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86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
"""
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pygments.lexers.scdoc
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~~~~~~~~~~~~~~~~~~~~~
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Lexer for scdoc, a simple man page generator.
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:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import RegexLexer, include, bygroups, using, this
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from pygments.token import Text, Comment, Keyword, String, Generic
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__all__ = ['ScdocLexer']
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class ScdocLexer(RegexLexer):
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"""
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`scdoc` is a simple man page generator for POSIX systems written in C99.
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"""
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name = 'scdoc'
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url = 'https://git.sr.ht/~sircmpwn/scdoc'
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aliases = ['scdoc', 'scd']
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filenames = ['*.scd', '*.scdoc']
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version_added = '2.5'
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flags = re.MULTILINE
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tokens = {
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'root': [
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# comment
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(r'^(;.+\n)', bygroups(Comment)),
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# heading with pound prefix
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(r'^(#)([^#].+\n)', bygroups(Generic.Heading, Text)),
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(r'^(#{2})(.+\n)', bygroups(Generic.Subheading, Text)),
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# bulleted lists
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(r'^(\s*)([*-])(\s)(.+\n)',
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bygroups(Text, Keyword, Text, using(this, state='inline'))),
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# numbered lists
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(r'^(\s*)(\.+\.)( .+\n)',
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bygroups(Text, Keyword, using(this, state='inline'))),
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# quote
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(r'^(\s*>\s)(.+\n)', bygroups(Keyword, Generic.Emph)),
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# text block
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(r'^(```\n)([\w\W]*?)(^```$)', bygroups(String, Text, String)),
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include('inline'),
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],
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'inline': [
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# escape
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(r'\\.', Text),
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# underlines
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(r'(\s)(_[^_]+_)(\W|\n)', bygroups(Text, Generic.Emph, Text)),
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# bold
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(r'(\s)(\*[^*]+\*)(\W|\n)', bygroups(Text, Generic.Strong, Text)),
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# inline code
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(r'`[^`]+`', String.Backtick),
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# general text, must come last!
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(r'[^\\\s]+', Text),
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(r'.', Text),
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],
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}
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def analyse_text(text):
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"""We checks for bold and underline text with * and _. Also
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every scdoc file must start with a strictly defined first line."""
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result = 0
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if '*' in text:
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result += 0.01
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if '_' in text:
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result += 0.01
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# name(section) ["left_footer" ["center_header"]]
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first_line = text.partition('\n')[0]
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scdoc_preamble_pattern = r'^.*\([1-7]\)( "[^"]+"){0,2}$'
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if re.search(scdoc_preamble_pattern, first_line):
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result += 0.5
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return result
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