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