Operation   : Linux premium131.web-hosting.com 4.18.0-553.44.1.lve.el8.x86_64 #1 SMP Thu Mar 13 14:29:12 UTC 2025 x86_64
Software     : Apache
Server IP    : 162.0.232.56 | Your IP: 216.73.216.111
Domains      : 1034 Domain(s)
Permission   : [ 0755 ]

######################## 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):
#   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 #########################

from .enums import ProbingState
from .charsetprober import CharSetProber


class CharSetGroupProber(CharSetProber):
    def __init__(self, lang_filter=None):
        super(CharSetGroupProber, self).__init__(lang_filter=lang_filter)
        self._active_num = 0
        self.probers = []
        self._best_guess_prober = None

    def reset(self):
        super(CharSetGroupProber, self).reset()
        self._active_num = 0
        for prober in self.probers:
            if prober:
                prober.reset()
                prober.active = True
                self._active_num += 1
        self._best_guess_prober = None

    @property
    def charset_name(self):
        if not self._best_guess_prober:
            self.get_confidence()
            if not self._best_guess_prober:
                return None
        return self._best_guess_prober.charset_name

    @property
    def language(self):
        if not self._best_guess_prober:
            self.get_confidence()
            if not self._best_guess_prober:
                return None
        return self._best_guess_prober.language

    def feed(self, byte_str):
        for prober in self.probers:
            if not prober:
                continue
            if not prober.active:
                continue
            state = prober.feed(byte_str)
            if not state:
                continue
            if state == ProbingState.FOUND_IT:
                self._best_guess_prober = prober
                return self.state
            elif state == ProbingState.NOT_ME:
                prober.active = False
                self._active_num -= 1
                if self._active_num <= 0:
                    self._state = ProbingState.NOT_ME
                    return self.state
        return self.state

    def get_confidence(self):
        state = self.state
        if state == ProbingState.FOUND_IT:
            return 0.99
        elif state == ProbingState.NOT_ME:
            return 0.01
        best_conf = 0.0
        self._best_guess_prober = None
        for prober in self.probers:
            if not prober:
                continue
            if not prober.active:
                self.logger.debug('%s not active', prober.charset_name)
                continue
            conf = prober.get_confidence()
            self.logger.debug('%s %s confidence = %s', prober.charset_name, prober.language, conf)
            if best_conf < conf:
                best_conf = conf
                self._best_guess_prober = prober
        if not self._best_guess_prober:
            return 0.0
        return best_conf