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