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Jekyll::Tags::IncludeTag

Public Class Methods

new(tag_name, file, tokens) click to toggle source
# File lib/jekyll/tags/include.rb, line 4
def initialize(tag_name, file, tokens)
  super
  @file = file.strip
end

Public Instance Methods

render(context) click to toggle source
# File lib/jekyll/tags/include.rb, line 9
def render(context)
  includes_dir = File.join(context.registers[:site].source, '_includes')

  if File.symlink?(includes_dir)
    return "Includes directory '#{includes_dir}' cannot be a symlink"
  end

  if @file !~ /^[a-zA-Z0-9_\/\.-]+$/ || @file =~ /\.\// || @file =~ /\/\./
    return "Include file '#{@file}' contains invalid characters or sequences"
  end

  Dir.chdir(includes_dir) do
    choices = Dir['**/*'].reject { |x| File.symlink?(x) }
    if choices.include?(@file)
      source = File.read(@file)
      partial = Liquid::Template.parse(source)
      context.stack do
        partial.render(context)
      end
    else
      "Included file '#{@file}' not found in _includes directory"
    end
  end
end

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