That way, we can set it to "" for old lexers, and check that it's present on new lexers. (In the future, we might also use it for better presentation in the documentation.)
55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
"""
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pygments.lexers.asc
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~~~~~~~~~~~~~~~~~~~
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Lexer for various ASCII armored files.
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:copyright: Copyright 2006-2023 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, bygroups
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from pygments.token import Comment, Generic, Name, Operator, String, Whitespace
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__all__ = ['AscLexer']
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class AscLexer(RegexLexer):
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"""
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Lexer for ASCII armored files, containing `-----BEGIN/END ...-----` wrapped
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base64 data.
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"""
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name = 'ASCII armored'
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aliases = ['asc', 'pem']
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filenames = [
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'*.asc', # PGP; *.gpg, *.pgp, and *.sig too, but those can be binary
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'*.pem', # X.509; *.cer, *.crt, *.csr, and key etc too, but those can be binary
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'id_dsa', 'id_ecdsa', 'id_ecdsa_sk', 'id_ed25519', 'id_ed25519_sk',
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'id_rsa', # SSH private keys
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]
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mimetypes = ['application/pgp-keys', 'application/pgp-encrypted',
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'application/pgp-signature', 'application/pem-certificate-chain']
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url = 'https://www.openpgp.org'
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version_added = '2.10'
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flags = re.MULTILINE
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tokens = {
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'root': [
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(r'\s+', Whitespace),
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(r'^-----BEGIN [^\n]+-----$', Generic.Heading, 'data'),
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(r'\S+', Comment),
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],
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'data': [
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(r'\s+', Whitespace),
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(r'^([^:]+)(:)([ \t]+)(.*)',
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bygroups(Name.Attribute, Operator, Whitespace, String)),
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(r'^-----END [^\n]+-----$', Generic.Heading, 'root'),
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(r'\S+', String),
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],
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}
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def analyse_text(text):
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if re.search(r'^-----BEGIN [^\n]+-----\r?\n', text):
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return True
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