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# frozen_string_literal: true
module Sass
# The {Serializer} module.
module Serializer
module_function
CSS_ESCAPE = [*"\x01".."\x08", *"\x0A".."\x1F", "\x7F"]
.product([*'0'..'9', *'a'..'f', *'A'..'F', "\t", ' ', nil])
.each_with_object({ "\0" => "\uFFFD", '\\' => '\\\\', '"' => '\\"', "'" => "\\'" }) do |(c, x), h|
h["#{c}#{x}".freeze] = "\\#{c.ord.to_s(16)}#{" #{x}" if x}".freeze
end.freeze
private_constant :CSS_ESCAPE
def serialize_quoted_string(string)
if !string.include?('"') || string.include?("'")
%("#{string.gsub(/[\0\\"]|[\x01-\x08\x0A-\x1F\x7F][\h\t ]?/, CSS_ESCAPE)}")
else
%('#{string.gsub(/[\0\\']|[\x01-\x08\x0A-\x1F\x7F][\h\t ]?/, CSS_ESCAPE)}')
end
end
def serialize_unquoted_string(string)
string.tr("\0", "\uFFFD").gsub(/\n */, ' ')
end
end
private_constant :Serializer
end
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