jekyll generate tag

tag_gen.rb

module Jekyll

  module Filters
    # 生成Tag
    def generateTag(site)
      site['tags'].keys.each do |tag|
        _path = site['source'] + '/tag/' + tag
        _file = _path + '/index.textile'
        if !File.exist?(_file) then
          FileUtils.mkdir_p _path
          aFile = File.new(_file, 'w')
            aFile.puts '---'
            aFile.puts 'layout: tag'
            aFile.puts 'title: ' + tag
            aFile.puts 'tag: ' + tag
            aFile.puts '---'
          aFile.close
        end
      end

      deleteNullTag(site)
    end

    # 删除不存在的Tag
    def deleteNullTag(site)
      Dir.foreach(site['source'] + '/tag/') {
        |tagdir|
        if '.' != tagdir && '..' != tagdir then
          if !site['tags'].keys.include?(tagdir) then
            FileUtils.rm_rf site['source'] + '/tag/' + tagdir + '/'
          end
        end
      }
    end
  end

end

{{ site | generateTag }}