/usr/lib/ruby/vendor_ruby/temple/html/attribute_remover.rb is in ruby-temple 0.6.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | module Temple
module HTML
# This filter removes empty attributes
# @api public
class AttributeRemover < Filter
define_options :remove_empty_attrs => %w(id class)
def initialize(opts = {})
super
raise ArgumentError, "Option :remove_empty_attrs must be an Array of Strings" unless Array === options[:remove_empty_attrs] &&
options[:remove_empty_attrs].all? {|a| String === a }
end
def on_html_attrs(*attrs)
[:multi, *attrs.map {|attr| compile(attr) }]
end
def on_html_attr(name, value)
return super unless options[:remove_empty_attrs].include?(name.to_s)
if empty_exp?(value)
value
elsif contains_nonempty_static?(value)
[:html, :attr, name, value]
else
tmp = unique_name
[:multi,
[:capture, tmp, compile(value)],
[:if, "!#{tmp}.empty?",
[:html, :attr, name, [:dynamic, tmp]]]]
end
end
end
end
end
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