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parser.cpython-39.pyc
a �DOg�C � @ s� d Z ddlZddlZddlmZ dgZe�d�Ze�d�Ze�d�Z e�d�Z e�d �Z e�d �Z e�d �Z e�d �Ze�d �Ze�dej�Ze�d �Ze�d�ZG dd� dej�ZdS )z A parser for HTML and XHTML.� N)�unescape� HTMLParserz[&<]z &[a-zA-Z#]z%&([a-zA-Z][-.a-zA-Z0-9]*)[^a-zA-Z0-9]z)&#(?:[0-9]+|[xX][0-9a-fA-F]+)[^0-9a-fA-F]z <[a-zA-Z]�>z--\s*>z+([a-zA-Z][^\t\n\r\f />\x00]*)(?:\s|/(?!>))*z]((?<=[\'"\s/])[^\s/>][^\s/=>]*)(\s*=+\s*(\'[^\']*\'|"[^"]*"|(?![\'"])[^>\s]*))?(?:\s|/(?!>))*aF <[a-zA-Z][^\t\n\r\f />\x00]* # tag name (?:[\s/]* # optional whitespace before attribute name (?:(?<=['"\s/])[^\s/>][^\s/=>]* # attribute name (?:\s*=+\s* # value indicator (?:'[^']*' # LITA-enclosed value |"[^"]*" # LIT-enclosed value |(?!['"])[^>\s]* # bare value ) \s* # possibly followed by a space )?(?:\s|/(?!>))* )* )? \s* # trailing whitespace z#</\s*([a-zA-Z][-.a-zA-Z0-9:_]*)\s*>c @ s� e Zd ZdZdZdd�dd�Zdd� Zd d � Zd d � Zd Z dd� Z dd� Z dd� Z dd� Z dd� Zd7dd�Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Zd3d4� Z d5d6� Z d S )8r aE Find tags and other markup and call handler functions. Usage: p = HTMLParser() p.feed(data) ... p.close() Start tags are handled by calling self.handle_starttag() or self.handle_startendtag(); end tags by self.handle_endtag(). The data between tags is passed from the parser to the derived class by calling self.handle_data() with the data as argument (the data may be split up in arbitrary chunks). If convert_charrefs is True the character references are converted automatically to the corresponding Unicode character (and self.handle_data() is no longer split in chunks), otherwise they are passed by calling self.handle_entityref() or self.handle_charref() with the string containing respectively the named or numeric reference as the argument. )Zscript�styleT)�convert_charrefsc C s || _ | �� dS )z�Initialize and reset this instance. If convert_charrefs is True (the default), all character references are automatically converted to the corresponding Unicode characters. N)r �reset)�selfr � r �#/usr/lib64/python3.9/html/parser.py�__init__V s zHTMLParser.__init__c C s( d| _ d| _t| _d| _tj�| � dS )z1Reset this instance. Loses all unprocessed data.� z???N)�rawdata�lasttag�interesting_normal� interesting� cdata_elem� _markupbase� ParserBaser �r r r r r _ s zHTMLParser.resetc C s | j | | _ | �d� dS )z�Feed data to the parser. Call this as often as you want, with as little or as much text as you want (may include '\n'). r N)r �goahead�r �datar r r �feedg s zHTMLParser.feedc C s | � d� dS )zHandle any buffered data.� N)r r r r r �closep s zHTMLParser.closeNc C s | j S )z)Return full source of start tag: '<...>'.)�_HTMLParser__starttag_textr r r r �get_starttag_textv s z HTMLParser.get_starttag_textc C s$ |� � | _t�d| j tj�| _d S )Nz </\s*%s\s*>)�lowerr �re�compile�Ir )r �elemr r r �set_cdata_modez s zHTMLParser.set_cdata_modec C s t | _d | _d S �N)r r r r r r r �clear_cdata_mode~ s zHTMLParser.clear_cdata_modec C sX | j }d}t|�}||k �r�| jrv| jsv|�d|�}|dk r�|�dt||d ��}|dkrpt�d�� ||�sp�q�|}n*| j � ||�}|r�|� � }n| jr��q�|}||k r�| jr�| js�| � t |||� �� n| � |||� � | �||�}||kr��q�|j}|d|��rJt�||��r"| �|�} n�|d|��r:| �|�} nn|d|��rR| �|�} nV|d|��rj| �|�} n>|d |��r�| �|�} n&|d |k �r�| � d� |d } n�q�| dk �r<|�s��q�|�d |d �} | dk �r�|�d|d �} | dk �r|d } n| d 7 } | j�r*| j�s*| � t ||| � �� n| � ||| � � | �|| �}q|d |��r�t�||�}|�r�|�� d d� } | �| � |�� } |d| d ��s�| d } | �|| �}qn<d||d � v �r�| � |||d � � | �||d �}�q�q|d|��r�t�||�}|�rP|�d �} | � | � |�� } |d| d ��sB| d } | �|| �}qt �||�}|�r�|�r�|�� ||d � k�r�|�� } | |k�r�|} | �||d �}�q�n.|d |k �r�| � d� | �||d �}n�q�qdsJ d��q|�rF||k �rF| j�sF| j�r(| j�s(| � t |||� �� n| � |||� � | �||�}||d � | _ d S )Nr �<�&�" z[\s;]�</�<!--�<?�<!r r z&#� ����;zinteresting.search() lied) r �lenr r �find�rfind�maxr r �searchr �start� handle_datar Z updatepos� startswith� starttagopen�match�parse_starttag� parse_endtag� parse_comment�parse_pi�parse_html_declaration�charref�group�handle_charref�end� entityref�handle_entityref� incomplete) r rA r �i�n�jZampposr8 r6 �k�namer r r r � s� � zHTMLParser.goaheadc C s� | j }|||d � dks"J d��|||d � dkr@| �|�S |||d � dkr^| �|�S |||d � �� d kr�|�d |d �}|d kr�d S | �||d |� � |d S | �|�S d S ) Nr, r+ z+unexpected call to parse_html_declaration()� r) � z<![� z <!doctyper r- r )r r; Zparse_marked_sectionr r0 � handle_decl�parse_bogus_comment)r rE r �gtposr r r r= � s z!HTMLParser.parse_html_declarationr c C s` | j }|||d � dv s"J d��|�d|d �}|dkr>dS |rX| �||d |� � |d S )Nr, )r+ r( z"unexpected call to parse_comment()r r- r )r r0 �handle_comment)r rE �reportr �posr r r rN s z HTMLParser.parse_bogus_commentc C sd | j }|||d � dks"J d��t�||d �}|s:dS |�� }| �||d |� � |�� }|S )Nr, r* z unexpected call to parse_pi()r- )r �picloser3 r4 � handle_pirA )r rE r r8 rG r r r r< s zHTMLParser.parse_pic C s� d | _ | �|�}|dk r |S | j}|||� | _ g }t�||d �}|sPJ d��|�� }|�d��� | _}||k �r.t �||�}|s��q.|�ddd�\} } } | s�d } n\| d d� d kr�| dd � ks�n | d d� d kr�| dd � k�rn n | dd� } | �rt | �} |� | �� | f� |�� }ql|||� � � } | d v�r�| � � \} }d | j v �r�| | j �d � } t| j �| j �d � }n|t| j � }| �|||� � |S | �d ��r�| �||� n"| �||� || jv �r�| �|� |S ) Nr r z#unexpected call to parse_starttag()r, rK �'r- �")r �/>� rW )r �check_for_whole_start_tagr �tagfind_tolerantr8 rA r? r r �attrfind_tolerantr �append�stripZgetpos�countr/ r1 r5 �endswith�handle_startendtag�handle_starttag�CDATA_CONTENT_ELEMENTSr" )r rE �endposr �attrsr8 rH �tag�m�attrname�restZ attrvaluerA �lineno�offsetr r r r9 , sZ & � � � zHTMLParser.parse_starttagc C s� | j }t�||�}|r�|�� }|||d � }|dkr>|d S |dkr~|�d|�rZ|d S |�d|�rjdS ||krv|S |d S |dkr�dS |dv r�dS ||kr�|S |d S td ��d S ) Nr r �/rW r, r- r z6abcdefghijklmnopqrstuvwxyz=/ABCDEFGHIJKLMNOPQRSTUVWXYZzwe should not get here!)r �locatestarttagend_tolerantr8 rA r6 �AssertionError)r rE r rf rG �nextr r r rY _ s. z$HTMLParser.check_for_whole_start_tagc C s. | j }|||d � dks"J d��t�||d �}|s:dS |�� }t�||�}|s�| jd urr| �|||� � |S t�||d �}|s�|||d � dkr�|d S | � |�S |� d�� � }|� d|�� �}| � |� |d S |� d�� � }| jd u�r|| jk�r| �|||� � |S | � |� | �� |S ) Nr, r( z unexpected call to parse_endtagr r- rK z</>r )r � endendtagr3 rA � endtagfindr8 r r5 rZ rN r? r r0 � handle_endtagr$ )r rE r r8 rO Z namematchZtagnamer! r r r r: � s8 zHTMLParser.parse_endtagc C s | � ||� | �|� d S r# )ra rq �r re rd r r r r` � s z HTMLParser.handle_startendtagc C s d S r# r rr r r r ra � s zHTMLParser.handle_starttagc C s d S r# r )r re r r r rq � s zHTMLParser.handle_endtagc C s d S r# r �r rI r r r r@ � s zHTMLParser.handle_charrefc C s d S r# r rs r r r rC � s zHTMLParser.handle_entityrefc C s d S r# r r r r r r5 � s zHTMLParser.handle_datac C s d S r# r r r r r rP � s zHTMLParser.handle_commentc C s d S r# r )r Zdeclr r r rM � s zHTMLParser.handle_declc C s d S r# r r r r r rT � s zHTMLParser.handle_pic C s d S r# r r r r r � unknown_decl� s zHTMLParser.unknown_decl)r ) �__name__� __module__� __qualname__�__doc__rb r r r r r r r" r$ r r= rN r< r9 rY r: r` ra rq r@ rC r5 rP rM rT rt r r r r r > s6 z 3"()rx r r Zhtmlr �__all__r r rD rB r> r7 rS Z commentcloserZ r[ �VERBOSErl ro rp r r r r r r �<module> s* ��
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