o
    JAf.                     @   s   d dl Zd dlZdZdZdZdZdZdZdZ	d	Z
G d
d dejjZG dd dZG dd dZG dd deZdZdddZdddZdS )    NSTART_ELEMENTEND_ELEMENTCOMMENTSTART_DOCUMENTEND_DOCUMENTPROCESSING_INSTRUCTIONIGNORABLE_WHITESPACE
CHARACTERSc                   @   s   e Zd ZdZdZd$ddZdd Zdd Zdd	 Zd
d Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zd d! Zd"d# ZdS )%PullDOMNc                 C   sx   ddl m} || _d d g| _| j| _g | _| jj| _z| jj| _W n	 t	y*   Y nw |dig| _
| j
d | _g | _d S )Nr   )XML_NAMESPACExml)Zxml.domr   documentFactory
firstEvent	lastEventelementStackappendpushpopAttributeError_ns_contexts_current_contextpending_events)selfr   r    r   &/usr/lib/python3.10/xml/dom/pulldom.py__init__   s   


zPullDOM.__init__c                 C   s   | j d }| j d= |S Nr   )r   )r   resultr   r   r   r   !   s   
zPullDOM.popc                 C   s
   || _ d S N)_locator)r   Zlocatorr   r   r   setDocumentLocator&   s   
zPullDOM.setDocumentLocatorc                 C   sH   t | dsg | _| j|pd|f | j| j  |pd | j|< d S )N_xmlns_attrsxmlns)hasattrr"   r   r   r   copy)r   prefixurir   r   r   startPrefixMapping)   s
   
zPullDOM.startPrefixMappingc                 C   s   | j  | _d S r   )r   r   r   )r   r&   r   r   r   endPrefixMapping0   s   zPullDOM.endPrefixMappingc                 C   s  d}t | dd }|d ur|D ]\}}||j||f< qg | _|\}}	|rI|d u r7| j| }
|
r5|
d |	 }n|	}| jrB| j||}n| ||}n| jrS| j|	}n| d |	}| D ]Q\}}|\}}||kr|dkrp|}nd| }| j	||}|
| n*|r| j| }
|
r|
d | }n|}| j	||}|
| n| j|}|| ||_q]t|fd g| jd< | jd | _| | d S )Nzhttp://www.w3.org/2000/xmlns/r"   :r#   zxmlns:   )getattrZ_attrsr"   r   documentZcreateElementNSbuildDocumentcreateElementitemsZcreateAttributeNSZsetAttributeNodeNScreateAttributesetAttributeNodevaluer   r   r   )r   nametagNameattrsZ	xmlns_uriZxmlns_attrsanamer3   r'   Z	localnamer&   nodeZa_uriZa_localnameZqnameattrr   r   r   startElementNS3   sP   


zPullDOM.startElementNSc                 C   &   t |  fd g| jd< | jd | _d S Nr+   r   r   r   )r   r4   r5   r   r   r   endElementNSl      zPullDOM.endElementNSc                 C   sz   | j r
| j |}n| d |}| D ]\}}| j |}||_|| qt|fd g| jd< | jd | _| 	| d S r<   )
r-   r/   r.   r0   r1   r3   r2   r   r   r   )r   r4   r6   r8   r7   r3   r9   r   r   r   startElementp   s   zPullDOM.startElementc                 C   r;   r<   r=   )r   r4   r   r   r   
endElement   r?   zPullDOM.endElementc                 C   sP   | j r| j |}t|fd g| jd< | jd | _d S t|fd g}| j| d S r<   )r-   createCommentr   r   r   r   )r   sr8   eventr   r   r   comment   s   zPullDOM.commentc                 C   sT   | j r| j ||}t|fd g| jd< | jd | _d S t||fd g}| j| d S r<   )r-   createProcessingInstructionr   r   r   r   )r   targetdatar8   rD   r   r   r   processingInstruction   s   zPullDOM.processingInstructionc                 C   .   | j |}t|fd g| jd< | jd | _d S r<   )r-   createTextNoder   r   r   charsr8   r   r   r   ignorableWhitespace      zPullDOM.ignorableWhitespacec                 C   rJ   r<   )r-   rK   r	   r   rL   r   r   r   
characters   rO   zPullDOM.charactersc                 C   s(   | j d u rdd l}|jjjj| _ d S d S )Nr   )r   Zxml.dom.minidomZdomZminidomZDocumentimplementation)r   r   r   r   r   startDocument   s   
zPullDOM.startDocumentc           	      C   s   | j ||d }|| _t|fd g| jd< | jd | _| | | jD ]I}|d d tkrA|d \}}}| j||}t|f|d< n"|d d t	krZ| j
|d d }t	|f|d< n	td|d d || jd< || _q"d | _|jS )Nr+   r   zUnknown pending event )r   ZcreateDocumentr-   r   r   r   r   r   rF   r   rB   AssertionErrorZ
firstChild)	r   r'   Ztagnamer8   e_rG   rH   nr   r   r   r.      s$   


zPullDOM.buildDocumentc                 C   s    t | jfd g| jd< |   d S r<   )r   r-   r   r   r   r   r   r   endDocument   s   zPullDOM.endDocumentc                 C   s   	 d | _ d S r   )r-   rW   r   r   r   clear   s   
zPullDOM.clearr   )__name__
__module____qualname__r    r-   r   r   r!   r(   r)   r:   r>   r@   rA   rE   rI   rN   rP   rR   r.   rX   rY   r   r   r   r   r
      s(    
9		r
   c                   @   s$   e Zd Zdd Zdd Zdd ZdS )ErrorHandlerc                 C   s   t | d S r   )printr   	exceptionr   r   r   warning   s   zErrorHandler.warningc                 C      |r   r   r_   r   r   r   error      zErrorHandler.errorc                 C   rb   r   r   r_   r   r   r   
fatalError   rd   zErrorHandler.fatalErrorN)rZ   r[   r\   ra   rc   re   r   r   r   r   r]      s    r]   c                   @   s\   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd ZdS )DOMEventStreamc                 C   s2   || _ || _|| _t| jds| j| _|   d S )Nfeed)streamparserbufsizer$   _slurpgetEventreset)r   rh   ri   rj   r   r   r   r      s   zDOMEventStream.__init__c                 C   s.   t  | _| jtjjjd | j| j d S r<   )	r
   pulldomri   Z
setFeaturer   saxhandlerZfeature_namespacesZsetContentHandlerrW   r   r   r   rm      s   zDOMEventStream.resetc                 C   s,   dd l }|jdtdd |  }|r|S t)Nr   z[DOMEventStream's __getitem__ method ignores 'pos' parameter. Use iterator protocol instead.   )
stacklevel)warningswarnDeprecationWarningrl   
IndexError)r   posrs   rcr   r   r   __getitem__   s   zDOMEventStream.__getitem__c                 C   s   |   }|r|S tr   )rl   StopIterationr   rx   r   r   r   __next__   s   zDOMEventStream.__next__c                 C   s   | S r   r   rW   r   r   r   __iter__   rd   zDOMEventStream.__iter__c                 C   sr   |   }|g}|r7|\}}||u rd S |tkr|d | |tkr(|| n|tkr/|d= |   }|s	d S d S r   )rl   r   appendChildr   r   )r   r8   rD   parentstokenZcur_noder   r   r   
expandNode   s   zDOMEventStream.expandNodec                 C   s   | j jd s| j j| j _| j jd s.| j| j}|s"| j  d S | j| | j jd r| j jd d }| j jd d | j jd< |S Nr+   r   )	rn   r   r   rh   readrj   ri   closerg   )r   bufrx   r   r   r   rl      s   
zDOMEventStream.getEventc                 C   s    	 | j | j | j| _|  S r   )ri   parserh   _emitrl   rW   r   r   r   rk     s   zDOMEventStream._slurpc                 C   s.   	 | j jd d }| j jd d | j jd< |S r   )rn   r   r{   r   r   r   r     s   zDOMEventStream._emitc                 C   s    	 | j   | ` d | _d | _d S r   )rn   rY   ri   rh   rW   r   r   r   rY   !  s
   

zDOMEventStream.clearN)rZ   r[   r\   r   rm   ry   r|   r}   r   rl   rk   r   rY   r   r   r   r   rf      s    
rf   c                   @   s4   e Zd Zdd Zdd Zdd Zdd Zd	d
 ZdS )SAX2DOMc                 C   s2   t | ||| | jd }| jd }|| d S Nr   )r
   r:   r   r~   )r   r4   r5   r6   curNode
parentNoder   r   r   r:   *  s   

zSAX2DOM.startElementNSc                 C   s0   t | || | jd }| jd }|| d S r   )r
   r@   r   r~   )r   r4   r6   r   r   r   r   r   r@   0  s   

zSAX2DOM.startElementc                 C   s4   t | || | jd d }| jd }|| d S Nr   r+   r   )r
   rI   r   r   r~   )r   rG   rH   r8   r   r   r   r   rI   6  s   
zSAX2DOM.processingInstructionc                 C   2   t | | | jd d }| jd }|| d S r   )r
   rN   r   r   r~   r   rM   r8   r   r   r   r   rN   <     
zSAX2DOM.ignorableWhitespacec                 C   r   r   )r
   rP   r   r   r~   r   r   r   r   rP   B  r   zSAX2DOM.charactersN)rZ   r[   r\   r:   r@   rI   rN   rP   r   r   r   r   r   (  s    r   i?  c                 C   s@   |d u rt }t| trt| d}n| }|stj }t|||S )Nrb)default_bufsize
isinstancestropenr   ro   make_parserrf   )Zstream_or_stringri   rj   rh   r   r   r   r   K  s   

r   c                 C   s6   ddl m} t| }|| }|stj }t|||S )Nr   )StringIO)ior   lenr   ro   r   rf   )stringri   r   rj   r   r   r   r   parseStringV  s   
r   )NNr   )Zxml.saxr   Zxml.sax.handlerr   r   r   r   r   r   r   r	   ro   ZContentHandlerr
   r]   rf   r   r   r   r   r   r   r   r   <module>   s$     8\!
