B 3UDB @ sV d Z ddlZedjZedjZedZedZedZ[G dd d Z dS ) zShared support for scanning document type declarations in HTML and XHTML. This module is used as a foundation for the html.parser module. It has no documented public API and should not be used directly. Nz[a-zA-Z][-_.a-zA-Z0-9]*\s*z(\'[^\']*\'|"[^"]*")\s*z--\s*>z ]\s*]\s*>z]\s*>c @ s e Zd ZdZdd Zdd Zdd Zdd Zd d ZdZ d d Z d#ddZd$ddZdd Z dd Zdd Zdd Zdd Zdd Zd d! Zd"S )% ParserBaseziParser base class which provides some common support methods used by the SGML/HTML and XHTML parsers.c C s | j tkrtdd S )Nz)_markupbase.ParserBase must be subclassed) __class__r RuntimeError)self r 0/opt/alt/python37/lib64/python3.7/_markupbase.py__init__ s zParserBase.__init__c C s t dd S )Nz.subclasses of ParserBase must override error())NotImplementedError)r messager r r error s zParserBase.errorc C s d| _ d| _d S )N r )linenooffset)r r r r reset$ s zParserBase.resetc C s | j | jfS )z&Return current line number and offset.)r r )r r r r getpos( s zParserBase.getposc C sb ||kr|S | j }|d||}|rN| j| | _|d||}||d | _n| j| | | _|S )N r )rawdatacountr rindexr )r ijr Znlinesposr r r updatepos0 s zParserBase.updatepos c C s | j }|d }||| dks&td|||d dkrB|d S |||d dkrZdS t|}|||d dkr| |S || d kr| |S | ||\}}|d k r|S |dkrd| _x||k r|| }|dkr||d | }|dkr| | n | | |d S |d kr@t ||}|s6dS | }n|dkr\| ||\} }nt|| jkrr|d }n^|d kr|dkr| |d |}n$|dkr| d| n | d n| d|| |d k r|S qW dS )N z