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40 lines
1.2 KiB
40 lines
1.2 KiB
require 'pathname'
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module Jekyll
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class IncludeCodeTag < Liquid::Tag
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def initialize(tag_name, file, tokens)
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super
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@file = file.strip
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end
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def render(context)
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code_dir = (context.registers[:site].config['code_dir'] || 'downloads/code')
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code_path = (Pathname.new(context.registers[:site].source) + code_dir).expand_path
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file = code_path + @file
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if File.symlink?(code_path)
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return "Code directory '#{code_path}' cannot be a symlink"
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end
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unless file.file?
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return "File #{file} could not be found"
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end
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Dir.chdir(code_path) do
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code = file.read
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file_type = file.extname
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url = "#{context.registers[:site].config['url']}/#{code_dir}/#{@file}"
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source = "<figure><figcaption><span>#{file.basename}</span> <a href='#{url}'>download</a></figcaption>\n"
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source += "{% highlight #{file_type} %}\n" + code + "\n{% endhighlight %}</figure>"
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partial = Liquid::Template.parse(source)
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context.stack do
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partial.render(context)
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end
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end
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end
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end
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end
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Liquid::Template.register_tag('include_code', Jekyll::IncludeCodeTag)
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