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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 |