20 lines
745 B
Ruby
20 lines
745 B
Ruby
# encoding: utf-8
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require "ace/filters"
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require "nokogiri"
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require "albino"
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class PygmentsFilter < Filter
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def call(item, content)
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puts 'PygmentsFilter ************************'
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doc = Nokogiri::HTML(content)
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doc.css('pre').each do |pre|
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puts "\nWARNING: '#{item.original_path}' - element <pre> not contains attribute 'lang'\n" if pre['lang'].nil?
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puts "\nWARNING: '#{item.original_path}' - attribute 'lang' not contains any value\n" if !pre['lang'].nil? && pre['lang'].empty?
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puts "*** Syntax highlight using '#{pre['lang']}' lexer" unless pre['lang'].nil? || pre['lang'].empty?
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pre.replace Albino.colorize(pre.content, pre['lang']) unless pre['lang'].nil? || pre['lang'].empty?
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end
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doc
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end
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end
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