B
     S]-                 @   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$ddZdd Zdd Zdd	 Zd
d Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zd d! Zd"d# ZdS )%PullDOMNc             C   sz   ddl m} || _d d g| _| j| _g | _| jj| _y| jj| _W n t	k
rV   Y nX |dig| _
| j
d | _g | _d S )Nr   )XML_NAMESPACExml)Zxml.domr   documentFactory
firstEvent	lastEventelementStackappendpushpopAttributeError_ns_contexts_current_contextpending_events)selfr   r    r    lib/python3.7/xml/dom/pulldom.py__init__   s    

zPullDOM.__init__c             C   s   | j d }| j d= |S )Nr   )r   )r   resultr   r   r   r   !   s    
zPullDOM.popc             C   s
   || _ d S )N)_locator)r   Zlocatorr   r   r   setDocumentLocator&   s    zPullDOM.setDocumentLocatorc             C   sH   t | dsg | _| j|pd|f | j| j  |p<d | j|< d S )N_xmlns_attrsxmlns)hasattrr    r   r   r   copy)r   prefixurir   r   r   startPrefixMapping)   s
    
zPullDOM.startPrefixMappingc             C   s   | j  | _d S )N)r   r   r   )r   r$   r   r   r   endPrefixMapping0   s    zPullDOM.endPrefixMappingc             C   s  d}t | dd }|d k	r>x|D ]\}}||j||f< qW g | _|\}}	|r|d krr| j| }
|
rn|
d |	 }n|	}| jr| j||}q| ||}n | jr| j|	}n| d |	}x| D ]\}}|\}}||kr
|dkr|}nd| }| j	||}|
| nX|rL| j| }
|
r.|
d | }n|}| j	||}|
| n| j|}|| ||_qW 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anamer1   r%   Z	localnamer$   nodeZa_uriZa_localnameZqnameattrr   r   r   startElementNS3   sP    




zPullDOM.startElementNSc             C   s&   t |  fd g| jd< | jd | _d S )Nr)   )r   r   r   )r   r2   r3   r   r   r   endElementNSl   s    zPullDOM.endElementNSc             C   s~   | j r| j |}n| d |}x0| D ]$\}}| j |}||_|| q*W t|fd g| jd< | jd | _| 	| d S )Nr)   )
r+   r-   r,   r.   r/   r1   r0   r   r   r   )r   r2   r4   r6   r5   r1   r7   r   r   r   startElementp   s    zPullDOM.startElementc             C   s&   t |  fd g| jd< | jd | _d S )Nr)   )r   r   r   )r   r2   r   r   r   
endElement   s    zPullDOM.endElementc             C   sN   | j r2| j |}t|fd g| jd< | jd | _nt|fd g}| j| d S )Nr)   )r+   createCommentr   r   r   r   )r   sr6   eventr   r   r   comment   s    zPullDOM.commentc             C   sR   | j r4| j ||}t|fd g| jd< | jd | _nt||fd g}| j| d S )Nr)   )r+   createProcessingInstructionr   r   r   r   )r   targetdatar6   r>   r   r   r   processingInstruction   s    zPullDOM.processingInstructionc             C   s.   | j |}t|fd g| jd< | jd | _d S )Nr)   )r+   createTextNoder   r   )r   charsr6   r   r   r   ignorableWhitespace   s    zPullDOM.ignorableWhitespacec             C   s.   | j |}t|fd g| jd< | jd | _d S )Nr)   )r+   rD   r	   r   )r   rE   r6   r   r   r   
characters   s    zPullDOM.charactersc             C   s$   | j d kr dd l}|jjjj| _ d S )Nr   )r   Zxml.dom.minidomZdomZminidomZDocumentimplementation)r   r   r   r   r   startDocument   s    
zPullDOM.startDocumentc       	      C   s   | j ||d }|| _t|fd g| jd< | jd | _| | x| jD ]}|d d tkr|d \}}}| j||}t|f|d< nD|d d t	kr| j
|d d }t	|f|d< ntd|d d || jd< || _qFW d | _|jS )Nr)   r   zUnknown pending event )r   ZcreateDocumentr+   r   r   r   r   r   r@   r   r<   AssertionErrorZ
firstChild)	r   r%   Ztagnamer6   e_rA   rB   nr   r   r   r,      s$    


zPullDOM.buildDocumentc             C   s    t | jfd g| jd< |   d S )Nr)   )r   r+   r   r   )r   r   r   r   endDocument   s    zPullDOM.endDocumentc             C   s
   d| _ dS )z.clear(): Explicitly release parsing structuresN)r+   )r   r   r   r   clear   s    zPullDOM.clear)N)__name__
__module____qualname__r   r+   r   r   r   r&   r'   r8   r9   r:   r;   r?   rC   rF   rG   rI   r,   rN   rO   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 )N)print)r   	exceptionr   r   r   warning   s    zErrorHandler.warningc             C   s   |d S )Nr   )r   rU   r   r   r   error   s    zErrorHandler.errorc             C   s   |d S )Nr   )r   rU   r   r   r   
fatalError   s    zErrorHandler.fatalErrorN)rP   rQ   rR   rV   rW   rX   r   r   r   r   rS      s   rS   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   r[   r\   r]   r   r   r   r      s    zDOMEventStream.__init__c             C   s.   t  | _| jtjjjd | j| j d S )Nr)   )	r
   pulldomr\   Z
setFeaturer   saxZhandlerZfeature_namespacesZsetContentHandler)r   r   r   r   r`      s    zDOMEventStream.resetc             C   s   |   }|r|S td S )N)r_   
IndexError)r   posrcr   r   r   __getitem__   s    zDOMEventStream.__getitem__c             C   s   |   }|r|S td S )N)r_   StopIteration)r   re   r   r   r   __next__   s    zDOMEventStream.__next__c             C   s   | S )Nr   )r   r   r   r   __iter__   s    zDOMEventStream.__iter__c             C   sp   |   }|g}x\|rj|\}}||kr(d S |tkr>|d | |tkrR|| n|tkr`|d= |   }qW d S )Nr   )r_   r   appendChildr   r   )r   r6   r>   parentstokenZcur_noder   r   r   
expandNode   s    zDOMEventStream.expandNodec             C   s   | j jd s| j j| j _x<| j jd sT| j| j}|sF| j  d S | j| qW | j jd d }| j jd d | j jd< |S )Nr)   r   )	ra   r   r   r[   readr]   r\   closerZ   )r   bufre   r   r   r   r_      s    
zDOMEventStream.getEventc             C   s   | j | j | j| _|  S )z Fallback replacement for getEvent() using the
            standard SAX2 interface, which means we slurp the
            SAX events into memory (no performance gain, but
            we are compatible to all SAX parsers).
        )r\   parser[   _emitr_   )r   r   r   r   r^     s    zDOMEventStream._slurpc             C   s,   | j jd d }| j jd d | j jd< |S )zn Fallback replacement for getEvent() that emits
            the events that _slurp() read previously.
        r)   r   )ra   r   )r   re   r   r   r   rr     s    zDOMEventStream._emitc             C   s   | j   | ` d| _d| _dS )z+clear(): Explicitly release parsing objectsN)ra   rO   r\   r[   )r   r   r   r   rO     s    
zDOMEventStream.clearN)rP   rQ   rR   r   r`   rf   rh   ri   rm   r_   r^   rr   rO   r   r   r   r   rY      s   
rY   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
   r8   r   rj   )r   r2   r3   r4   curNode
parentNoder   r   r   r8   #  s    

zSAX2DOM.startElementNSc             C   s0   t | || | jd }| jd }|| d S )Nr   rt   )r
   r:   r   rj   )r   r2   r4   ru   rv   r   r   r   r:   )  s    

zSAX2DOM.startElementc             C   s4   t | || | jd d }| jd }|| d S )Nr   r)   r   )r
   rC   r   r   rj   )r   rA   rB   r6   rv   r   r   r   rC   /  s    
zSAX2DOM.processingInstructionc             C   s2   t | | | jd d }| jd }|| d S )Nr   r)   r   )r
   rF   r   r   rj   )r   rE   r6   rv   r   r   r   rF   5  s    
zSAX2DOM.ignorableWhitespacec             C   s2   t | | | jd d }| jd }|| d S )Nr   r)   r   )r
   rG   r   r   rj   )r   rE   r6   rv   r   r   r   rG   ;  s    
zSAX2DOM.charactersN)rP   rQ   rR   r8   r:   rC   rF   rG   r   r   r   r   rs   !  s
   rs   i?  c             C   s@   |d krt }t| tr"t| d}n| }|s4tj }t|||S )Nrb)default_bufsize
isinstancestropenr   rb   make_parserrY   )Zstream_or_stringr\   r]   r[   r   r   r   rq   D  s    

rq   c             C   s6   ddl m} t| }|| }|s*tj }t|||S )Nr   )StringIO)ior}   lenr   rb   r|   rY   )stringr\   r}   r]   rp   r   r   r   parseStringO  s    
r   )NN)N)Zxml.saxr   Zxml.sax.handlerr   r   r   r   r   r   r   r	   rb   ZContentHandlerr
   rS   rY   rs   rx   rq   r   r   r   r   r   <module>   s"    8U!
