# File lib/liquid/file_system.rb, line 59 def full_path(template_path) raise FileSystemError, "Illegal template name '#{template_path}'" unless template_path =~ /\A[^.\/][a-zA-Z0-9_\/]+\z/ full_path = if template_path.include?('/'.freeze) File.join(root, File.dirname(template_path), @pattern % File.basename(template_path)) else File.join(root, @pattern % template_path) end raise FileSystemError, "Illegal template path '#{File.expand_path(full_path)}'" unless File.expand_path(full_path) =~ /\A#{File.expand_path(root)}/ full_path end