← Back
Editing: _markupbase.cpython-310.pyc
o 0�i=9 � @ 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 Zd d � Z d!dd�Z d!dd�Z dd� Z dd� Z dd� Zdd� Zdd� 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 tu r td��d S )Nz)_markupbase.ParserBase must be subclassed)� __class__r � RuntimeError��self� r �2/opt/alt/python310/lib64/python3.10/_markupbase.py�__init__ s ��zParserBase.__init__c C s d| _ d| _d S )N� r ��lineno�offsetr r r r �reset s zParserBase.resetc C s | j | jfS )z&Return current line number and offset.r r r r r �getpos$ s zParserBase.getposc C sd ||kr|S | j }|�d||�}|r(| j| | _|�d||�}||d | _|S | j| | | _|S )N� r )�rawdata�countr �rindexr )r �i�jr Znlines�posr r r � updatepos, s �zParserBase.updatepos� c C s� | j }|d }|||� dksJ d��|||d � dkr!|d S |||d � dv r-dS t|�}|||d � dkr@| �|�S || d krK| �|�S | �||�\}}|d k rY|S |d kr`d | _||k r�|| }|dkr�||d |� }|d kr�| �|� |d S | �|� |d S |d v r�t||�}|s�dS |� � }n>|dv r�| �||�\} }n1|| jv r�|d }n'|d kr�|d kr�| � |d |�}n|dv r�t d| ��t d��t d|| ��|d k r�|S ||k sddS )N� �<!z$unexpected call to parse_declarationr �>)�-r ���z--�[r Zdoctyper z"'Z4abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ> �element�linkZlinktype�attlistz&unsupported '[' char in %s declarationz"unexpected '[' char in declarationz!unexpected %r char in declaration) r �len� parse_comment�parse_marked_section� _scan_name�_decl_othercharsZ handle_decl� unknown_decl�_declstringlit_match�end�_parse_doctype_subset�AssertionError) r r r r �nZdecltype�c�data�m�namer r r �parse_declaration< s\ � �'z ParserBase.parse_declarationr c C s� | j }|||d � dksJ d��| �|d |�\}}|dk r!|S |dv r.t�||d �}n|dv r;t�||d �}n td||d |� ��|sKdS |r]|�d�}| �||d |� � |�d�S ) N� z<![z)unexpected call to parse_marked_section()r > ZtempZincludeZcdata�ignoreZrcdata> Zendif�else�ifz+unknown status keyword %r in marked sectionr ) r r% �_markedsectionclose�search�_msmarkedsectioncloser+ �startr' r) )r r �reportr ZsectNamer �matchr r r r$ � s$ � z ParserBase.parse_marked_sectionc C sh | j }|||d � dkrtd��t�||d �}|s dS |r/|�d�}| �||d |� � |�d�S )N� �<!--z"unexpected call to parse_comment()r r )r r+ � _commentcloser7 r9 Zhandle_commentr) )r r r: r r; r r r r r# � s zParserBase.parse_commentc C s | j }t|�}|}||k �r || }|dkr�|||d � }|dkr$dS |dkr6| �||d � td| ��|d |kr>dS |d |krFdS |||d � dkr^| j|d d �}|d k r]|S q | �|d |�\}}|dkrndS |d vr�| �||d � td | ��t| d | �} | ||�}|d k r�|S nt|dkr�|d |kr�dS | �|d |�\}}|d k r�|S || dkr�|d }nM|dkr�|d }||k r�|| �� r�|d }||k r�|| �� s�||k r�|| dkr�|S | �||� td��dS |�� r�|d }n | �||� td| ��||k sdS )N�<r r r r z*unexpected char in internal subset (in %r)r< r= r )r: > Zentityr Znotationr! z)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- �sr0 Zmethr r r r* � s| � � � �� �?z ParserBase._parse_doctype_subsetc C sF | � ||�\}}|dkrdS | j}d||d � v r!|�d|�d S dS )Nr r r )r% r �find)r r rE r0 r r r r r �_parse_doctype_element� s z!ParserBase._parse_doctype_elementc C s� | j }| �||�\}}|||d � }|dkrdS |dkr!|d S | �||�\}}|dk r0|S |||d � }|dkr>dS |dkrvd||d � v rS|�d|�d }ndS |||d � �� rm|d }|||d � �� s_||d � sudS n| �||�\}}|||d � }|s�dS |dv r�t||�}|r�|�� }ndS |||d � }|s�dS |d kr�||d � d kr�dS | �|d |�\}}|dk r�|S |||d � }|s�dS |dkr�|d S q") Nr r r r r �(�)�'"�#)r r% rG rD r( r) )r r rE r r0 r r- r/ r r r �_parse_doctype_attlist s` � � �z!ParserBase._parse_doctype_attlistc C s� | � ||�\}}|dk r|S | j} |||d � }|s dS |dkr&|d S |dv r8t||�}|s3dS |�� }n| � ||�\}}|dk rF|S q)Nr r r r rK )r% r r( r) )r r rE r0 r r r- r/ r r r �_parse_doctype_notation= s& �z"ParserBase._parse_doctype_notationc C s� | j }|||d � dkr*|d } |||d � }|s dS |�� r'|d }nnqn|}| �||�\}}|dk r:|S | j ||d � }|sHdS |dv rZt||�}|rX|�� }ndS |dkrb|d S | �||�\}}|dk rp|S q;)Nr r@ r r rK r )r rD r% r( r) )r r rE r r r- r0 r/ r r r �_parse_doctype_entityT s> � �z ParserBase._parse_doctype_entityc C s� | j }t|�}||kr dS t||�}|r.|�� }|�� }|t|� |kr&dS |�� |�� fS | �||� td|||d � ��)N)Nr zexpected name token at %r� ) r r" �_declname_match�group�strip�lowerr) r r+ )r r rE r r, r/ rF r0 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 )�__name__� __module__� __qualname__�__doc__r r r r r& r1 r$ r# r* rH rM rN rO r% r' r r r r r s" Q F 9$ r ) rX �re�compiler; rQ r( r> r6 r8 r r r r r �<module> s
Save File
Cancel