113 lines
3.2 KiB
Ruby
Executable File
113 lines
3.2 KiB
Ruby
Executable File
######################## BEGIN LICENSE BLOCK ########################
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# The Original Code is Mozilla Communicator client code.
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#
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# The Initial Developer of the Original Code is
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# Netscape Communications Corporation.
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# Portions created by the Initial Developer are Copyright (C) 1998
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s)
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# Jeff Hodges - port to Ruby
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# Mark Pilgrim - port to Python
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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# 02110-1301 USA
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######################### END LICENSE BLOCK #########################
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module CharDet
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class CharSetGroupProber < CharSetProber
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attr_accessor :_mProbers
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def initialize
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super
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@_mActiveNum = 0
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@_mProbers = []
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@_mBestGuessProber = nil
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end
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def reset
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super
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@_mActiveNum = 0
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for prober in @_mProbers
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if prober
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prober.reset()
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prober.active = true
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@_mActiveNum += 1
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end
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end
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@_mBestGuessProber = nil
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end
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def get_charset_name
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if not @_mBestGuessProber
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get_confidence()
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return nil unless @_mBestGuessProber
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# self._mBestGuessProber = self._mProbers[0]
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end
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return @_mBestGuessProber.get_charset_name()
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end
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def feed(aBuf)
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for prober in @_mProbers
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next unless prober
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next unless prober.active
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st = prober.feed(aBuf)
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next unless st
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if st == EFoundIt
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@_mBestGuessProber = prober
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return get_state()
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elsif st == ENotMe
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prober.active = false
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@_mActiveNum -= 1
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if @_mActiveNum <= 0
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@_mState = ENotMe
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return get_state()
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end
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end
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end
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return get_state()
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end
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def get_confidence()
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st = get_state()
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if st == EFoundIt
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return 0.99
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elsif st == ENotMe
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return 0.01
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end
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bestConf = 0.0
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@_mBestGuessProber = nil
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for prober in @_mProbers
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next unless prober
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unless prober.active
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$stderr << "#{prober.get_charset_name()} not active\n" if $debug
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next
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end
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cf = prober.get_confidence()
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$stderr << "#{prober.get_charset_name} confidence = #{cf}\n" if $debug
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if bestConf < cf
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bestConf = cf
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@_mBestGuessProber = prober
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end
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end
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return 0.0 unless @_mBestGuessProber
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return bestConf
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# else
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# self._mBestGuessProber = self._mProbers[0]
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# return self._mBestGuessProber.get_confidence()
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end
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end
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end
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