# File lib/tins/string_byte_order_mark.rb, line 5 def bom_encoding prefix = self[0, 4].force_encoding(Encoding::ASCII_8BIT) case prefix when /\A\xef\xbb\xbf/ then Encoding::UTF_8 when /\A\x00\x00\xff\xfe/ then Encoding::UTF_32BE when /\A\xff\xfe\x00\x00/ then Encoding::UTF_32LE when /\A\xfe\xff/ then Encoding::UTF_16BE when /\A\xff\xfe/ then Encoding::UTF_16LE when /\A\x2b\x2f\x76(?:[\x38-\x39\x2b\x2f]|)/ then Encoding::UTF_7 when /\A\x84\x31\x95\x33/ then Encoding::GB18030 end end
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