mirror of
https://github.com/moparisthebest/android.moparisthebest.org
synced 2024-10-31 23:35:00 -04:00
e16844af29
1. Removed lots of duplication 2. Added warnings and fixed some dim regex 3. New: set a start line number for any code snippet 4. New: set a start, end, or range for include_code 5. New: added option to disable line numbers linenos:false Fixes #478 #484
85 lines
2.8 KiB
Ruby
85 lines
2.8 KiB
Ruby
#require 'albino'
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require './plugins/raw'
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require 'pygments'
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require 'fileutils'
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require 'digest/md5'
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PYGMENTS_CACHE_DIR = File.expand_path('../../.pygments-cache', __FILE__)
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FileUtils.mkdir_p(PYGMENTS_CACHE_DIR)
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module HighlightCode
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include TemplateWrapper
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def pygments(code, lang)
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path = File.join(PYGMENTS_CACHE_DIR, "#{lang}-#{Digest::MD5.hexdigest(code)}.html") if defined?(PYGMENTS_CACHE_DIR)
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if File.exist?(path)
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highlighted_code = File.read(path)
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else
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#highlighted_code = Albino.new(code, lang, :html)
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highlighted_code = Pygments.highlight(code, :lexer => lang, :formatter => 'html', :options => {:encoding => 'utf-8'})
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File.open(path, 'w') {|f| f.print(highlighted_code) } if path
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end
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highlighted_code.to_s
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rescue
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puts $!,$@
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end
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def highlight(code, lang, options = {})
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lang = 'ruby' if lang == 'ru'
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lang = 'objc' if lang == 'm'
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lang = 'perl' if lang == 'pl'
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lang = 'yaml' if lang == 'yml'
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lang = 'coffeescript' if lang == 'coffee'
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lang = 'plain' if lang == '' or lang.nil?
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caption = options[:caption] || nil
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url = options[:url] || nil
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anchor = options[:anchor] || nil
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wrap = options[:wrap] || true
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linenos = options[:linenos]
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start = options[:start]
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if lang == 'plain'
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# Escape html tags
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code = code.gsub('<','<').gsub('>','>')
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elsif lang.include? "-raw"
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output = "``` #{$1.sub('-raw', '')}\n"
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output += code
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output += "\n```\n"
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else
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code = pygments(code, lang).match(/<pre>(.+)<\/pre>/m)[1].gsub(/ *$/, '') #strip out divs <div class="highlight">
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end
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code = tableize_code(code, lang, { linenos: linenos, start: start })
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caption = captionize(caption, url, anchor) if caption
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figure = "<figure class='code'>#{caption}#{code}</figure>"
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figure = safe_wrap(figure) if wrap
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figure
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end
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def captionize (caption, url, anchor)
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figcaption = "<figcaption><span>#{caption}</span>"
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figcaption += "<a href='#{url}' title='Download code'> #{anchor || 'link'}</a>" if url
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figcaption += "</figcaption>"
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end
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def tableize_code (code, lang, options = {})
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start = options[:start]
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lines = options[:linenos].nil? ? true : options[:linenos]
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table = "<div class='highlight'><table>"
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table += number_lines(start, code.lines.count) if lines
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table += "<td class='code'><pre><code class='#{lang}'>"
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table += code.gsub /^((.+)?(\n?))/, '<span class=\'line\'>\1</span>'
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table +="</code></pre></td></tr></table></div>"
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end
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def number_lines (start, count)
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start ||= 1
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lines = "<td class='gutter'><pre class='line-numbers'>"
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count.times do |index|
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lines += "<span class='line-number'>#{index + start}</span>\n"
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end
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lines += "</pre></td>"
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end
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end
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