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|
# frozen_string_literal: true
module Banzai
module Filter
class BlockquoteFenceFilter < TimeoutTextPipelineFilter
REGEX = %r{
#{::Gitlab::Regex.markdown_code_or_html_blocks}
|
(?=(?<=^\n|\A)\ *>>>\ *\n.*\n\ *>>>\ *(?=\n$|\z))(?:
# Blockquote:
# >>>
# Anything, including code and HTML blocks
# >>>
(?<=^\n|\A)(?<indent>\ *)>>>\ *\n
(?<blockquote>
(?:
# Any character that doesn't introduce a code or HTML block
(?!
^```
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^<[^>]+?>\ *\n
)
.
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# A code block
\g<code>
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# An HTML block
\g<html>
)+?
)
\n\ *>>>\ *(?=\n$|\z)
)
}mx
def initialize(text, context = nil, result = nil)
super text, context, result
@text = @text.delete("\r")
end
def call_with_timeout
@text.gsub(REGEX) do
if $~[:blockquote]
# keep the same number of source lines/positions by replacing the
# fence lines with newlines
indent = $~[:indent]
"\n" + $~[:blockquote].gsub(/^#{Regexp.quote(indent)}/, "#{indent}> ").gsub(/^> $/, ">") + "\n"
else
$~[0]
end
end
end
end
end
end
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