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6f034e71fb
CSS file names are now updated when visitor's browser must reload them Allow files with .css extension to skip less compilation (IE6 invalid CSS syntax)
69 lines
1.7 KiB
Ruby
69 lines
1.7 KiB
Ruby
require 'digest/md5'
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module Jekyll
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class LessCSSFile < StaticFile
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def write(dest)
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# do nothing
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end
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end
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class LessCSS < 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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site = context.registers[:site]
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less_dir = File.join(site.source, '_less')
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if File.symlink?(less_dir)
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return "LessCSS directory '#{less_dir}' cannot be a symlink"
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end
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if @file !~ /^[a-zA-Z0-9_\/\.-]+$/ || @file =~ /\.\// || @file =~ /\/\./
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return "LessCSS file '#{@file}' contains invalid characters or sequences"
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end
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Dir.chdir(less_dir) do
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choices = Dir['**/*'].reject { |x| File.symlink?(x) }
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if choices.include?(@file)
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if /\.css$/.match(@file)
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f = file = File.new(@file, "r")
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else
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source = File.read(@file)
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f = IO.popen("lessc -", "w+")
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f.write(source)
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f.close_write()
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end
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css = f.readlines().join()
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digest = Digest::MD5.hexdigest(css)
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css_file = digest + ".css"
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css_path = File.join(site.dest, css_file)
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if !File.directory?(site.dest)
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Dir.mkdir(site.dest)
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end
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File.open(css_path, "w") do |f|
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f.write(css)
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end
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site.static_files << LessCSSFile.new(site, site.source, '', css_file)
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'<link rel="stylesheet" type="text/css" href="/' + css_file + '" />'
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else
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return "LessCSS file '#{@file}' not found in '#{less_dir}'"
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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('lesscss', Jekyll::LessCSS)
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