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Ren                 @   sx   d  d l  m Z d  d l m Z d  d l m Z m Z m Z d  d l m	 Z	 m
 Z
 m Z m Z Gd d   d e  Z d S)   )CharSetProber)CodingStateMachine)LanguageFilterProbingStateMachineState)HZ_SM_MODELISO2022CN_SM_MODELISO2022JP_SM_MODELISO2022KR_SM_MODELc                   sy   e  Z d  Z d Z d   f d d  Z   f d d   Z e d d    Z e d	 d
    Z d d   Z	 d d   Z
   S)EscCharSetProberz
    This CharSetProber uses a "code scheme" approach for detecting encodings,
    whereby easily recognizable escape or shift sequences are relied on to
    identify these encodings.
    Nc                s   t  t |   j d |  g  |  _ |  j t j @r^ |  j j t t	   |  j j t t
   |  j t j @r |  j j t t   |  j t j @r |  j j t t   d  |  _ d  |  _ d  |  _ d  |  _ |  j   d  S)Nlang_filter)superr   __init__	coding_smr   r   CHINESE_SIMPLIFIEDappendr   r   r   JAPANESEr	   KOREANr
   active_sm_count_detected_charset_detected_language_statereset)selfr   )	__class__ /builddir/build/BUILDROOT/alt-python35-pip-20.2.4-5.el8.x86_64/opt/alt/python35/lib/python3.5/site-packages/pip/_vendor/chardet/escprober.pyr   *   s    					zEscCharSetProber.__init__c                sk   t  t |   j   x- |  j D]" } | s, q d | _ | j   q Wt |  j  |  _ d  |  _ d  |  _ d  S)NT)	r   r   r   r   activelenr   r   r   )r   r   )r   r   r   r   :   s    		zEscCharSetProber.resetc             C   s   |  j  S)N)r   )r   r   r   r   charset_nameE   s    zEscCharSetProber.charset_namec             C   s   |  j  S)N)r   )r   r   r   r   languageI   s    zEscCharSetProber.languagec             C   s   |  j  r d Sd Sd  S)NgGz?g        )r   )r   r   r   r   get_confidenceM   s    	zEscCharSetProber.get_confidencec             C   s   x | D] } x |  j  D] } | s | j r1 q | j |  } | t j k r d | _ |  j d 8_ |  j d k r t j |  _ |  j	 Sq | t j
 k r t j |  _ | j   |  _ | j |  _ |  j	 Sq Wq W|  j	 S)NFr       )r   r   
next_stater   ERRORr   r   NOT_MEr   stateITS_MEFOUND_ITget_coding_state_machiner   r    r   )r   byte_strcr   coding_stater   r   r   feedS   s"    	
zEscCharSetProber.feed)__name__
__module____qualname____doc__r   r   propertyr   r    r!   r-   r   r   )r   r   r   #   s   r   N)charsetproberr   codingstatemachiner   enumsr   r   r   escsmr   r   r	   r
   r   r   r   r   r   <module>   s   "