Sha256: 3b4237bc47f9302c7bd9363c06ce4e54615d42cb6171840c3e046ffb854e0793
Contents?: true
Size: 822 Bytes
Versions: 7
Compression:
Stored size: 822 Bytes
Contents
begin
require 'linguist'
rescue LoadError
raise LoadError, "You need to install linguist before using the SyntaxHighlightFilter. See README.md for details"
end
module HTML
class Pipeline
# HTML Filter that syntax highlights code blocks wrapped
# in <pre lang="...">.
class SyntaxHighlightFilter < Filter
def call
doc.search('pre').each do |node|
next unless lang = node['lang']
next unless lexer = Pygments::Lexer[lang]
text = node.inner_text
html = highlight_with_timeout_handling(lexer, text)
next if html.nil?
node.replace(html)
end
doc
end
def highlight_with_timeout_handling(lexer, text)
lexer.highlight(text)
rescue Timeout::Error => boom
nil
end
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems