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The inline code lexer now copes with internal backticks. #7

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The inline code lexer now copes with internal backticks. #7

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8 changes: 3 additions & 5 deletions src/pygments_markdown_lexer/lexer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ class Markdown(object):
Markup = Keyword
Heading = Generic.Heading
SubHeading = Generic.Heading
InlineCode = Token.Literal.String.Backtick
CodeBlock = Comment.Preproc
HtmlSingle = Comment.Single
HtmlBlock = Comment.Preproc
Expand Down Expand Up @@ -112,7 +113,8 @@ class MarkdownLexer(RegexLexer):
(r'&', Text),

# Inline code
(r'``?', Markdown.Markup, state('literal')),
(r'(`+) ?(.*?) ?(\1)',
bygroups(Markdown.Markup, Markdown.InlineCode, Markdown.Markup)),

# Emphasis
(r'_?_[ \n]', Text), # whitespace escape
Expand Down Expand Up @@ -141,10 +143,6 @@ class MarkdownLexer(RegexLexer):
(r'[a-zA-Z0-9]+', Text), # optimize normal words a little
(r'.', Text), # default fallback
],
state('literal'): [
(r'[^`]+', String.Backtick),
(r'(?<!\\)``?' + end_string_suffix, Markdown.Markup, state('#pop')),
],
state('htmlblock'): [ # TODO: delegate to HTML lexer
(r'^</[^>]+>\n', Markdown.HtmlBlock, state('#pop')),
(r'.*\n', Markdown.HtmlBlock), # slurp boring text
Expand Down
8 changes: 8 additions & 0 deletions src/tests/test_lexer.py
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Expand Up @@ -229,3 +229,11 @@ def test_lists_and_blockquotes():
(Markdown.Markup, '\t' + lead + ' '),
(Text, 'Lorem ipsum.\n'),
)

def test_inline_code():
check(
(Markdown.Markup, r'``'),
(Markdown.InlineCode, 'There is a literal backtick (`) here.'),
(Markdown.Markup, r'``'),
(Text, '\n'),
)