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require 'charlock_holmes' unless defined? CharlockHolmes
class String
# Attempt to detect the encoding of this string
#
# Returns: a Hash with :encoding, :language, :type and :confidence
def detect_encoding(hint_enc=nil)
detector = CharlockHolmes::EncodingDetector.new
detector.detect(self, hint_enc)
end
# Attempt to detect the encoding of this string, and return
# a list with all the possible encodings that match it.
#
# Returns: an Array with zero or more Hashes,
# each one of them with with :encoding, :language, :type and :confidence
def detect_encodings(hint_enc=nil)
detector = CharlockHolmes::EncodingDetector.new
detector.detect_all(self, hint_enc)
end
if method_defined? :force_encoding
# Attempt to detect the encoding of this string
# then set the encoding to what was detected ala `force_encoding`
#
# Returns: self
def detect_encoding!(hint_enc=nil)
if detected = self.detect_encoding(hint_enc)
self.force_encoding(detected[:ruby_encoding]) if detected[:ruby_encoding]
end
self
end
end
end
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