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# File 'lib/liquid/file_system.rb', line 61
def full_path(template_path)
raise FileSystemError, "Illegal template name '#{template_path}'" unless %r{\A[^./][a-zA-Z0-9_/]+\z}.match?(template_path)
full_path = if template_path.include?('/')
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).start_with?(File.expand_path(root))
full_path
end
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