Edit File: _markupbase.cpython-37.pyc
B � f9 � @ sV d Z ddlZe�d�jZe�d�jZe�d�Ze�d�Ze�d�Z[G dd � d �Z dS ) z�Shared 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 � Zd Z d d� Z d#dd�Z d$dd�Z dd� Z dd� Zdd� Zdd� Zd d � Zd d � Zd d!� Zd"S )%� ParserBaseziParser base class which provides some common support methods used by the SGML/HTML and XHTML parsers.c C s | j tkrtd��d S )Nz)_markupbase.ParserBase must be subclassed)� __class__r � RuntimeError)�self� r �0/opt/alt/python37/lib64/python3.7/_markupbase.py�__init__ s zParserBase.__init__c C s t d��d S )Nz.subclasses of ParserBase must override error())�NotImplementedError)r �messager r r �error s zParserBase.errorc C s d| _ d| _d S )N� r )�lineno�offset)r r r r �reset$ 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 )�rawdata�countr �rindexr )r �i�jr Znlines�posr 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 |d kr�d | _�x ||k �r�|| }|dk�r||d |� }|d k�r| �|� n | �|� |d S |d k�r@t ||�}|�s6dS |� � }n�|dk�r\| �||�\} }nt|| jk�rr|d }n^|d k�r�|d k�r�| � |d |�}n$|dk�r�| � d| � n | � d� n| � d|| � |d k r�|S q�W dS )N� z<!z$unexpected call to parse_declarationr �>)�-r ���z--�[r Zdoctyper z"'Z4abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ> �attlist�linktype�element�linkz&unsupported '[' char in %s declarationz"unexpected '[' char in declarationz!unexpected %r char in declaration) r �AssertionError�len� parse_comment�parse_marked_section� _scan_name�_decl_othercharsZ handle_decl� unknown_decl�_declstringlit_match�end�_parse_doctype_subsetr ) r r r r �nZdecltype�c�data�m�namer r r �parse_declaration@ sZ z ParserBase.parse_declarationr c C s� | j }|||d � dks"td��| �|d |�\}}|dk rB|S |dkr\t�||d �}n4|dkrvt�||d �}n| �d||d |� � |s�dS |r�|�d�}| �||d |� � |� d�S ) N� z<![z)unexpected call to parse_marked_section()r > �include�rcdata�ignore�cdata�temp> �if�endif�elsez+unknown status keyword %r in marked sectionr ) r r# r' �_markedsectionclose�search�_msmarkedsectioncloser �startr) r+ )r r �reportr ZsectNamer �matchr r r r& � s z ParserBase.parse_marked_sectionc C sj | j }|||d � dkr$| �d� t�||d �}|s<dS |r`|�d�}| �||d |� � |�d�S )N� z<!--z"unexpected call to parse_comment()r r )r r � _commentcloser= r? Zhandle_commentr+ )r r r@ r rA r r r r r% � s zParserBase.parse_commentc C s4 | j }t|�}|}�x||k �r.|| }|dk�r4|||d � }|dkrNdS |dkrt| �||d � | �d| � |d |kr�dS |d |kr�dS |||d � dkr�| j|d d �}|d k r|S q| �|d |�\}}|dkr�dS |d k�r | �||d � | �d | � t| d | �} | ||�}|d k �r,|S q|dk�r�|d |k�rPdS | �|d |�\}}|d k �rr|S || dk�r,|d }q|dk�r�|d }x&||k �r�|| �� �r�|d }�q�W ||k �r�|| dk�r�|S | �||� | �d� ndS q|�� �r|d }q| �||� | �d| � qW dS )N�<r r z<!r z*unexpected char in internal subset (in %r)rB z<!--r )r@ > r r! �entity�notationz)unknown declaration %r in internal subsetZ_parse_doctype_�%�;�]r z%unexpected char after internal subsetz%unexpected char %r in internal subset)r r$ r r r% r' �getattr�isspace) r r � declstartposr r- r r. �sr1 Zmethr r r r, � sn z ParserBase._parse_doctype_subsetc C sF | � ||�\}}|dkr dS | j}d||d � krB|�d|�d S dS )Nr r r )r' r �find)r r rL r1 r r r r r �_parse_doctype_element� s z!ParserBase._parse_doctype_elementc C s� | j }| �||�\}}|||d � }|dkr2dS |dkrB|d S �xv| �||�\}}|dk rb|S |||d � }|dkr~dS |dkr�d||d � kr�|�d|�d }ndS x |||d � �� r�|d }q�W ||d � s�dS n| �||�\}}|||d � }|�s dS |dk�rLt||�}|�r.|�� }ndS |||d � }|�sLdS |d k�r�||d � d k�rldS | �|d |�\}}|dk �r�|S |||d � }|�s�dS |dkrF|d S qFW d S ) Nr r r r r �(�)z'"�#)r r' rN rK r* r+ )r r rL r r1 r r. r0 r r r �_parse_doctype_attlist sZ z!ParserBase._parse_doctype_attlistc C s� | � ||�\}}|dk r |S | j}xl|||d � }|s<dS |dkrL|d S |dkrpt||�}|sfdS |�� }q$| � ||�\}}|dk r$|S q$W d S )Nr r r r z'")r' r r* r+ )r r rL r1 r r r. r0 r r r �_parse_doctype_notation= s$ z"ParserBase._parse_doctype_notationc C s� | j }|||d � dkrV|d }x6|||d � }|s<dS |�� rN|d }q$P q$W n|}| �||�\}}|dk rv|S xp| j ||d � }|s�dS |dkr�t||�}|r�|�� }q�dS qx|dkr�|d S | �||�\}}|dk rx|S qxW d S )Nr rG r r z'"r )r rK r' r* r+ )r r rL r r r. r1 r0 r r r �_parse_doctype_entityT s8 z ParserBase._parse_doctype_entityc C s� | j }t|�}||krdS t||�}|r\|�� }|�� }|t|� |krLdS |�� |�� fS | �||� | �d|||d � � d S )N)Nr zexpected name token at %r� ) r r$ �_declname_match�group�strip�lowerr+ r r )r r rL r r- r0 rM r1 r r r r' x s zParserBase._scan_namec C s d S )Nr )r r/ r r r r) � s zParserBase.unknown_declN)r )r )�__name__� __module__� __qualname__�__doc__r r r r r r( r2 r& r% r, rO rS rT rU r' r) r r r r r s" R C 9$r ) r^ �re�compilerA rW r* rC r< r> r r r r r �<module> s
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