3
gn                 @   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 G dd deZdS )   )CharSetProber)CodingStateMachine)LanguageFilterProbingStateMachineState)HZ_SM_MODELISO2022CN_SM_MODELISO2022JP_SM_MODELISO2022KR_SM_MODELc                   sV   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
  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@ rD| 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__ [/var/www/tester-filtro-web/env/lib/python3.6/site-packages/pip/_vendor/chardet/escprober.pyr   *   s    zEscCharSetProber.__init__c                sN   t t| j  x"| jD ]}|s qd|_|j  qW t| 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S dS d S )NgGz?g        )r   )r   r   r   r   get_confidenceM   s    zEscCharSetProber.get_confidencec             C   s   x|D ]}x| j D ]}| s|j r&q|j|}|tjkrhd|_|  jd8  _| jdkrtj| _| j	S q|tj
krtj| _|j | _|j| _| j	S qW qW | j	S )NFr       )r   r   Z
next_stater   ERRORr   r   NOT_MEr   stateITS_MEFOUND_ITZget_coding_state_machiner   r    r   )r   byte_strcr   Zcoding_stater   r   r   feedS   s"    





zEscCharSetProber.feed)N)__name__
__module____qualname____doc__r   r   propertyr   r    r!   r*   __classcell__r   r   )r   r   r   #   s   r   N)charsetproberr   Zcodingstatemachiner   enumsr   r   r   Zescsmr   r   r	   r
   r   r   r   r   r   <module>   s   