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"""
pygments.lexers.sgf
~~~~~~~~~~~~~~~~~~~
Lexer for Smart Game Format (sgf) file format.
:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, bygroups
from pygments.token import Name, Literal, String, Text, Punctuation, Whitespace
__all__ = ["SmartGameFormatLexer"]
class SmartGameFormatLexer(RegexLexer):
"""
Lexer for Smart Game Format (sgf) file format.
The format is used to store game records of board games for two players
(mainly Go game).
.. versionadded:: 2.4
"""
name = 'SmartGameFormat'
url = 'https://www.red-bean.com/sgf/'
aliases = ['sgf']
filenames = ['*.sgf']
tokens = {
'root': [
(r'[():;]+', Punctuation),
# tokens:
(r'(A[BW]|AE|AN|AP|AR|AS|[BW]L|BM|[BW]R|[BW]S|[BW]T|CA|CH|CP|CR|'
r'DD|DM|DO|DT|EL|EV|EX|FF|FG|G[BW]|GC|GM|GN|HA|HO|ID|IP|IT|IY|KM|'
r'KO|LB|LN|LT|L|MA|MN|M|N|OB|OM|ON|OP|OT|OV|P[BW]|PC|PL|PM|RE|RG|'
r'RO|RU|SO|SC|SE|SI|SL|SO|SQ|ST|SU|SZ|T[BW]|TC|TE|TM|TR|UC|US|VW|'
r'V|[BW]|C)',
Name.Builtin),
# number:
(r'(\[)([0-9.]+)(\])',
bygroups(Punctuation, Literal.Number, Punctuation)),
# date:
(r'(\[)([0-9]{4}-[0-9]{2}-[0-9]{2})(\])',
bygroups(Punctuation, Literal.Date, Punctuation)),
# point:
(r'(\[)([a-z]{2})(\])',
bygroups(Punctuation, String, Punctuation)),
# double points:
(r'(\[)([a-z]{2})(:)([a-z]{2})(\])',
bygroups(Punctuation, String, Punctuation, String, Punctuation)),
(r'(\[)([\w\s#()+,\-.:?]+)(\])',
bygroups(Punctuation, String, Punctuation)),
(r'(\[)(\s.*)(\])',
bygroups(Punctuation, Whitespace, Punctuation)),
(r'\s+', Whitespace)
],
}
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