diff -r f0d08bdeacf4 -r 6762afd9f963 ThirdParty/Pygments/pygments/lexers/bibtex.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ThirdParty/Pygments/pygments/lexers/bibtex.py Tue Apr 25 18:36:38 2017 +0200
@@ -0,0 +1,160 @@
+# -*- coding: utf-8 -*-
+"""
+ pygments.lexers.bibtex
+ ~~~~~~~~~~~~~~~~~~~~~~
+
+ Lexers for BibTeX bibliography data and styles
+
+ :copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from pygments.lexer import RegexLexer, ExtendedRegexLexer, include, default, \
+ words
+from pygments.token import Name, Comment, String, Error, Number, Text, \
+ Keyword, Punctuation
+
+__all__ = ['BibTeXLexer', 'BSTLexer']
+
+
+class BibTeXLexer(ExtendedRegexLexer):
+ """
+ A lexer for BibTeX bibliography data format.
+
+ .. versionadded:: 2.2
+ """
+
+ name = 'BibTeX'
+ aliases = ['bib', 'bibtex']
+ filenames = ['*.bib']
+ mimetypes = ["text/x-bibtex"]
+ flags = re.IGNORECASE
+
+ ALLOWED_CHARS = r'@!$&*+\-./:;<>?\[\\\]^`|~'
+ IDENTIFIER = '[{0}][{1}]*'.format('a-z_' + ALLOWED_CHARS, r'\w' + ALLOWED_CHARS)
+
+ def open_brace_callback(self, match, ctx):
+ opening_brace = match.group()
+ ctx.opening_brace = opening_brace
+ yield match.start(), Punctuation, opening_brace
+ ctx.pos = match.end()
+
+ def close_brace_callback(self, match, ctx):
+ closing_brace = match.group()
+ if (
+ ctx.opening_brace == '{' and closing_brace != '}' or
+ ctx.opening_brace == '(' and closing_brace != ')'
+ ):
+ yield match.start(), Error, closing_brace
+ else:
+ yield match.start(), Punctuation, closing_brace
+ del ctx.opening_brace
+ ctx.pos = match.end()
+
+ tokens = {
+ 'root': [
+ include('whitespace'),
+ ('@comment', Comment),
+ ('@preamble', Name.Class, ('closing-brace', 'value', 'opening-brace')),
+ ('@string', Name.Class, ('closing-brace', 'field', 'opening-brace')),
+ ('@' + IDENTIFIER, Name.Class,
+ ('closing-brace', 'command-body', 'opening-brace')),
+ ('.+', Comment),
+ ],
+ 'opening-brace': [
+ include('whitespace'),
+ (r'[{(]', open_brace_callback, '#pop'),
+ ],
+ 'closing-brace': [
+ include('whitespace'),
+ (r'[})]', close_brace_callback, '#pop'),
+ ],
+ 'command-body': [
+ include('whitespace'),
+ (r'[^\s\,\}]+', Name.Label, ('#pop', 'fields')),
+ ],
+ 'fields': [
+ include('whitespace'),
+ (',', Punctuation, 'field'),
+ default('#pop'),
+ ],
+ 'field': [
+ include('whitespace'),
+ (IDENTIFIER, Name.Attribute, ('value', '=')),
+ default('#pop'),
+ ],
+ '=': [
+ include('whitespace'),
+ ('=', Punctuation, '#pop'),
+ ],
+ 'value': [
+ include('whitespace'),
+ (IDENTIFIER, Name.Variable),
+ ('"', String, 'quoted-string'),
+ (r'\{', String, 'braced-string'),
+ (r'[\d]+', Number),
+ ('#', Punctuation),
+ default('#pop'),
+ ],
+ 'quoted-string': [
+ (r'\{', String, 'braced-string'),
+ ('"', String, '#pop'),
+ ('[^\{\"]+', String),
+ ],
+ 'braced-string': [
+ (r'\{', String, '#push'),
+ (r'\}', String, '#pop'),
+ ('[^\{\}]+', String),
+ ],
+ 'whitespace': [
+ (r'\s+', Text),
+ ],
+ }
+
+
+class BSTLexer(RegexLexer):
+ """
+ A lexer for BibTeX bibliography styles.
+
+ .. versionadded:: 2.2
+ """
+
+ name = 'BST'
+ aliases = ['bst', 'bst-pybtex']
+ filenames = ['*.bst']
+ flags = re.IGNORECASE | re.MULTILINE
+
+ tokens = {
+ 'root': [
+ include('whitespace'),
+ (words(['read', 'sort']), Keyword),
+ (words(['execute', 'integers', 'iterate', 'reverse', 'strings']),
+ Keyword, ('group')),
+ (words(['function', 'macro']), Keyword, ('group', 'group')),
+ (words(['entry']), Keyword, ('group', 'group', 'group')),
+ ],
+ 'group': [
+ include('whitespace'),
+ (r'\{', Punctuation, ('#pop', 'group-end', 'body')),
+ ],
+ 'group-end': [
+ include('whitespace'),
+ (r'\}', Punctuation, '#pop'),
+ ],
+ 'body': [
+ include('whitespace'),
+ (r"\'[^#\"\{\}\s]+", Name.Function),
+ (r'[^#\"\{\}\s]+\$', Name.Builtin),
+ (r'[^#\"\{\}\s]+', Name.Variable),
+ (r'"[^\"]*"', String),
+ (r'#-?\d+', Number),
+ (r'\{', Punctuation, ('group-end', 'body')),
+ default('#pop'),
+ ],
+ 'whitespace': [
+ ('\s+', Text),
+ ('%.*?$', Comment.SingleLine),
+ ],
+ }
