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require 'fileutils'
require 'digest/md5'
PYGMENTS_CACHE_DIR = File.expand_path('../../_cache', __FILE__)
FileUtils.mkdir_p(PYGMENTS_CACHE_DIR)
Jekyll::HighlightBlock.class_eval do
def render_pygments(context, code)
if defined?(PYGMENTS_CACHE_DIR)
path = File.join(PYGMENTS_CACHE_DIR, "#{@lang}-#{Digest::MD5.hexdigest(code)}.html")
if File.exist?(path)
highlighted_code = File.read(path)
else
highlighted_code = Albino.new(code, @lang).to_s(@options)
File.open(path, 'w') {|f| f.print(highlighted_code) }
end
else
highlighted_code = Albino.new(code, @lang).to_s(@options)
end
output = add_code_tags(highlighted_code, @lang)
output = context["pygments_prefix"] + output if context["pygments_prefix"]
output = output + context["pygments_suffix"] if context["pygments_suffix"]
output
end
end
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