Methods

CharDet::EUCTWDistributionAnalysis

Public Class Methods

new() click to toggle source
# File lib/rchardet/chardistribution.rb, line 101
def initialize
  super()
  @charToFreqOrder = EUCTWCharToFreqOrder
  @tableSize = EUCTW_TABLE_SIZE
  @typicalDistributionRatio = EUCTW_TYPICAL_DISTRIBUTION_RATIO
end

Public Instance Methods

get_order(aStr) click to toggle source
# File lib/rchardet/chardistribution.rb, line 108
def get_order(aStr)
  # for euc-TW encoding, we are interested 
  #   first  byte range: 0xc4 -- 0xfe
  #   second byte range: 0xa1 -- 0xfe
  # no validation needed here. State machine has done that
  if aStr[0, 1] >= "\xC4"
    bytes = aStr.bytes.to_a
    return 94 * (bytes[0] - 0xC4) + bytes[1] - 0xA1
  else
    return -1
  end
end

[Validate]

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