a
    If                     @   s  d Z ddlmZmZmZ ddlmZmZmZ ddlm	Z	 ddl
mZmZ ddlmZ ejZejZejZejjZejjZejjZejjZe Zeddedd	edd
eddeddeddeddeddeddd	ZG dd deZdd Zdd ZG dd dZeeefZ G dd deZ!G dd deZ"G dd de"Z#G d d! d!e"Z$d"Z%d#e% Z&G d$d% d%eZ'G d&d' d'Z(G d(d) d)e(eZ)G d*d+ d+e(e'Z*G d,d- d-e+Z,G d.d/ d/eZ-d;d1d2Z.d<d3d4Z/d=d5d6Z0d>d7d8Z1d9d: Z2dS )?zFacility to use the Expat parser to load a minidom instance
from a string or file.

This avoids all the overhead of SAX and pulldom to gain performance.
    )
xmlbuilderminidomNode)EMPTY_NAMESPACEEMPTY_PREFIXXMLNS_NAMESPACE)expat)_append_child_set_attribute_node)
NodeFilterNZcdataenumerationentityentitiesidZidrefZidrefsZnmtokenZnmtokens)	ZCDATAENUMZENTITYZENTITIESIDZIDREFZIDREFSZNMTOKENZNMTOKENSc                   @   sZ   e 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S )ElementInfo
_attr_info_modeltagNameNc                 C   s   || _ g | _|| _d S N)r   r   r   )selfr   model r   %lib/python3.9/xml/dom/expatbuilder.py__init__?   s    zElementInfo.__init__c                 C   s   | j | j| jfS r   r   r   r   r   r   __getstate__D   s    zElementInfo.__getstate__c                 C   s   |\| _ | _| _d S r   r   )r   stater   r   r   __setstate__G   s    zElementInfo.__setstate__c                 C   sN   | j D ]@}|d |kr|d }|d dkr6td   S t|d    S qtjS )N   r   (r   )r   _typeinfo_mapr   _no_type)r   anameinfotr   r   r   getAttributeTypeJ   s    
zElementInfo.getAttributeTypec                 C   s   t jS r   )r   r%   )r   namespaceURI	localNamer   r   r   getAttributeTypeNST   s    zElementInfo.getAttributeTypeNSc                 C   s,   | j r$| j d }|tjjtjjfvS dS d S Nr   F)r   r   r   ZXML_CTYPE_ANYZXML_CTYPE_MIXED)r   typer   r   r   isElementContentW   s    
zElementInfo.isElementContentc                 C   s    | j r| j d tjjkS dS d S r-   )r   r   r   ZXML_CTYPE_EMPTYr   r   r   r   isEmpty_   s    zElementInfo.isEmptyc                 C   s,   | j D ] }|d |kr|d dk  S qdS )Nr!   r"   r   F)r   )r   r&   r'   r   r   r   isIde   s    
zElementInfo.isIdc                 C   s   |  ||fS r   )r1   )r   ZeuriZenameZaurir&   r   r   r   isIdNSk   s    zElementInfo.isIdNS)N)__name__
__module____qualname__	__slots__r   r   r    r)   r,   r/   r0   r1   r2   r   r   r   r   r   <   s   

r   c                 C   s   |  ||S r   )_intern_setdefault)buildersr   r   r   _interno   s    r:   c                 C   s   d|v sJ | d}| j}t|dkr^|\}}}|||}d||f }|||}|||}n4t|dkr|\}}t}||| }}ntd| ||||||fS )N    z%s:%s   z4Unsupported syntax: spaces in URIs not supported: %r)splitr7   lenr   
ValueError)r8   namepartsinternuri	localnameprefixqnamer   r   r   _parse_ns_namer   s    



rH   c                   @   s   e Zd ZdZd;ddZdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#d$ Zd%d& Zd'd( Zd)d* Zd+d, Zd-d. Zd/d0 Zd1d2 Zd3d4 Zd5d6 Zd7d8 Zd9d: ZdS )<ExpatBuilderzPDocument builder that uses Expat to build a ParsedXML.DOM document
    instance.Nc                 C   sP   |d u rt  }|| _| jjd ur2t| jj| _nd | _t| _d | _| 	  d S r   )
r   ZOptions_optionsfilterFilterVisibilityController_filterr   _finish_start_element_parserreset)r   optionsr   r   r   r      s    zExpatBuilder.__init__c                 C   s   t  S )zCreate a new parser object.)r   ParserCreater   r   r   r   createParser   s    zExpatBuilder.createParserc                 C   sF   | j s@|  | _ | j jj| _d| j _d| j _d| j _| | j  | j S )z7Return the parser object, creating a new one if needed.T)	rO   rS   rC   
setdefaultr7   Zbuffer_textZordered_attributesZspecified_attributesinstallr   r   r   r   	getParser   s    
zExpatBuilder.getParserc                 C   s,   t tdd| _| j| _| jj| _d| _dS )z6Free all data structures used during DOM construction.NF)theDOMImplementationZcreateDocumentr   documentcurNode
_elem_info_cdatar   r   r   r   rP      s    
zExpatBuilder.resetc                 C   s   | j |_| j|_| j|_| j|_| jj	r0| j
|_| j|_| jjrH| j|_| jjrj| j|_| j|_| j|_n| j|_| j|_| j|_| j|_| j|_ dS )z>Install the callbacks needed to build the DOM into the parser.N)!start_doctype_decl_handlerStartDoctypeDeclHandlerfirst_element_handlerStartElementHandlerend_element_handlerEndElementHandler
pi_handlerProcessingInstructionHandlerrJ   r   entity_decl_handlerEntityDeclHandlernotation_decl_handlerNotationDeclHandlercommentscomment_handlerCommentHandlerZcdata_sectionsstart_cdata_section_handlerStartCdataSectionHandlerend_cdata_section_handlerEndCdataSectionHandlercharacter_data_handler_cdataCharacterDataHandlercharacter_data_handlerexternal_entity_ref_handlerExternalEntityRefHandlerxml_decl_handlerZXmlDeclHandlerelement_decl_handlerZElementDeclHandlerattlist_decl_handlerZAttlistDeclHandlerr   parserr   r   r   rU      s$    
zExpatBuilder.installc                 C   s   |   }d}zH|d}|sqF||d |r@| jjr@| | d}q|dd W n tyf   Y n0 | j}|   d| _|S )zIParse a document from a file object, returning the document
        node.Ti @  F    N)	rV   readParserX   documentElement_setup_subsetParseEscaperP   rO   )r   filerx   Zfirst_bufferbufferdocr   r   r   	parseFile   s"    

zExpatBuilder.parseFilec                 C   sN   |   }z||d | | W n ty4   Y n0 | j}|   d| _|S )z<Parse a document from a string, returning the document node.TN)rV   r{   r}   r~   rX   rP   rO   )r   stringrx   r   r   r   r   parseString   s    zExpatBuilder.parseStringc                 C   s.   | j jr*t }|| | }|| j j_dS )z/Load the internal subset if there might be one.N)rX   doctypeInternalSubsetExtractorr   	getSubsetinternalSubset)r   r   Z	extractorsubsetr   r   r   r}      s
    
zExpatBuilder._setup_subsetc                 C   s   | j j|||}| j |_t| j | || j _| jrj| j|tkrjd | j _| j j	d= d }d | j
_d | j
_|r|d urg |j_g |j_d | j
_d | j
_| j| j
_d S N)rX   implementationZcreateDocumentTypeownerDocumentr	   r   rM   
acceptNodeFILTER_REJECT
childNodesrO   re   rg   r   _seq	notationsrj   rc   end_doctype_decl_handlerEndDoctypeDeclHandler)r   ZdoctypeNamesystemIdpublicIdhas_internal_subsetr   r   r   r   r\      s&    
z'ExpatBuilder.start_doctype_decl_handlerc                 C   s2   | j jr| j| j_| j| j_| js.| js.t	| _
d S r   )rJ   rh   ri   rO   rj   rb   rc   rZ   rM   r   _finish_end_elementr   r   r   r   r     s
    

z%ExpatBuilder.end_doctype_decl_handlerc                 C   s@   | j ||}t| j| | jr<| j|tkr<| j| d S r   )rX   ZcreateProcessingInstructionr	   rY   rM   r   r   removeChild)r   targetdatanoder   r   r   rb     s    zExpatBuilder.pi_handlerc                 C   s   | j j}| jrH| jr4|d jtkr4|d | d S | j|}d| _nD|rv|d jt	krv|d }|j
| }||_
d S t }||_
| j|_t| j | d S )Nr   T)rY   r   r[   _cdata_continuenodeTypeCDATA_SECTION_NODEZ
appendDatarX   ZcreateCDATASection	TEXT_NODEr   r   Textr   r	   )r   r   r   r   valuer   r   r   ro     s$    
z)ExpatBuilder.character_data_handler_cdatac                 C   s^   | j j}|r2|d jtkr2|d }|j| |_d S t }|j| |_| j|_t	| j | d S r   )
rY   r   r   r   r   r   r   rX   r   r	   )r   r   r   r   r   r   r   rq   &  s    z#ExpatBuilder.character_data_handlerc           
      C   s   |rd S | j jsd S | j||||}|d urF| j|}	|j|	 | jjjj| | j	r|| j	
|tkr|| jjjjd= d S r   )rJ   r   rX   Z_create_entityZcreateTextNoder   appendr   r   rM   r   r   )
r   Z
entityNameZis_parameter_entityr   baser   r   notationNamer   childr   r   r   rd   1  s    
z ExpatBuilder.entity_decl_handlerc                 C   sJ   | j |||}| j jjj| | jrF| j|tkrF| j jjjd= d S r   )	rX   Z_create_notationr   r   r   r   rM   r   FILTER_ACCEPT)r   r   r   r   r   r   r   r   r   rf   C  s    z"ExpatBuilder.notation_decl_handlerc                 C   s>   | j |}t| j| | jr:| j|tkr:| j| d S r   )rX   ZcreateCommentr	   rY   rM   r   r   r   )r   r   r   r   r   r   ri   I  s    zExpatBuilder.comment_handlerc                 C   s   d| _ d| _d S )NTFr[   r   r   r   r   r   rk   O  s    z(ExpatBuilder.start_cdata_section_handlerc                 C   s   d| _ d| _d S )NFr   r   r   r   r   rm   S  s    z&ExpatBuilder.end_cdata_section_handlerc                 C   s   dS Nr!   r   )r   contextr   r   r   r   r   r   rr   W  s    z(ExpatBuilder.external_entity_ref_handlerc                 C   s2   | j d u r| jst| _| j|  _| || d S r   )rM   rZ   r   r   start_element_handlerrV   r_   )r   rA   
attributesr   r   r   r^   Z  s    z"ExpatBuilder.first_element_handlerc                 C   s   | j |}t| j| || _|rptdt|dD ]<}t|| td t	}||d  }||_
| j |_t|| q2|| j jur| | d S )Nr   r=   r!   )rX   ZcreateElementr	   rY   ranger?   r   Attrr   r   r   r   r
   r|   rN   )r   rA   r   r   iar   r   r   r   r   `  s    z"ExpatBuilder.start_element_handlerc                 C   sj   | j rf|| jju rd S | j |}|tkr4t|  n|tkrFt|  nd S |j| _	|j
| |  d S r   )rM   rX   r|   startContainerr   RejecterFILTER_SKIPSkipper
parentNoderY   r   unlink)r   r   Zfiltr   r   r   rN   q  s    

z"ExpatBuilder._finish_start_elementc                 C   s   | j }|j| _ | | d S r   )rY   r   r   )r   rA   rY   r   r   r   r`     s    z ExpatBuilder.end_element_handlerc                 C   s\   | j |j}|r| || | jrX|| jju r4d S | j|tkrX| j	
| |  d S r   )rZ   getr   _handle_white_text_nodesrM   rX   r|   r   r   rY   r   r   )r   rY   r'   r   r   r   r     s    z ExpatBuilder._finish_end_elementc                 C   sZ   | j js| sd S g }|jD ]"}|jtkr|j s|| q|D ]}|	| qFd S r   )
rJ   Zwhitespace_in_element_contentr/   r   r   r   r   stripr   r   )r   r   r'   Lr   r   r   r   r     s    
z%ExpatBuilder._handle_white_text_nodesc                 C   s>   | j |}|d u r&t||| j |< n|jd u s4J ||_d S r   )rZ   r   r   r   )r   rA   r   r'   r   r   r   ru     s
    z!ExpatBuilder.element_decl_handlerc              
   C   sF   | j |}|d u r&t|}|| j |< |jd |d d |d||g d S Nr   )rZ   r   r   r   r   )r   elemrA   r.   defaultZrequiredr'   r   r   r   rv     s    
z!ExpatBuilder.attlist_decl_handlerc                 C   s2   || j _|| j _|dkr.|r&d| j _nd| j _d S )Nr   TF)rX   versionencoding
standalone)r   r   r   r   r   r   r   rt     s    
zExpatBuilder.xml_decl_handler)N) r3   r4   r5   __doc__r   rS   rV   rP   rU   r   r   r}   r\   r   rb   ro   rq   rd   rf   ri   rk   rm   rr   r^   r   rN   r`   r   r   ru   rv   rt   r   r   r   r   rI      s:   
rI   c                   @   s   e Zd ZdZdZdd Zdd Zdd Zej	e
jeje
jeje
jeje
jeje
jeje
jeje
jeje
jeje
jeje
jeje
jej e
j!iZ"d	S )
rL   zoWrapper around a DOMBuilderFilter which implements the checks
    to make the whatToShow filter attribute work.rK   c                 C   s
   || _ d S r   r   )r   rK   r   r   r   r     s    z#FilterVisibilityController.__init__c                 C   sT   | j |j }| jj|@ rL| j|}|tkr0t|tvrHtdt	| |S t
S d S )Nz)startContainer() returned illegal value: )_nodetype_maskr   rK   
whatToShowr   FILTER_INTERRUPTr~   _ALLOWED_FILTER_RETURNSr@   reprr   )r   r   maskvalr   r   r   r     s    
z)FilterVisibilityController.startContainerc                 C   s   | j |j }| jj|@ r|| j|}|tkr0t|tkr`|j}|j	d d  D ]}|
| qLtS |tvrxtdt| |S tS d S )Nz%acceptNode() returned illegal value: )r   r   rK   r   r   r   r~   r   r   r   ZappendChildr   r   r@   r   r   )r   r   r   r   parentr   r   r   r   r     s     
z%FilterVisibilityController.acceptNodeN)#r3   r4   r5   r   r6   r   r   r   r   ZELEMENT_NODEr   ZSHOW_ELEMENTZATTRIBUTE_NODEZSHOW_ATTRIBUTEr   Z	SHOW_TEXTr   ZSHOW_CDATA_SECTIONZENTITY_REFERENCE_NODEZSHOW_ENTITY_REFERENCEZENTITY_NODEZSHOW_ENTITYZPROCESSING_INSTRUCTION_NODEZSHOW_PROCESSING_INSTRUCTIONZCOMMENT_NODEZSHOW_COMMENTDOCUMENT_NODEZSHOW_DOCUMENTZDOCUMENT_TYPE_NODEZSHOW_DOCUMENT_TYPEZDOCUMENT_FRAGMENT_NODEZSHOW_DOCUMENT_FRAGMENTZNOTATION_NODEZSHOW_NOTATIONr   r   r   r   r   rL     s$   rL   c                   @   s   e Zd ZdZdd ZdS )FilterCrutch)_builder_level
_old_start_old_endc                 C   s6   d| _ || _|j}|j| _|j| _| j|_| j|_d S r   )	r   r   rO   r_   r   ra   r   r   r`   )r   r8   rx   r   r   r   r     s    zFilterCrutch.__init__N)r3   r4   r5   r6   r   r   r   r   r   r     s   r   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	r   r   c                 C   s,   t | | |j}dD ]}t||d  qd S )N)rc   rj   rp   rl   rn   rs   )r   r   rO   setattr)r   r8   rx   rA   r   r   r   r     s    zRejecter.__init__c                 G   s   | j d | _ d S r   )r   r   argsr   r   r   r     s    zRejecter.start_element_handlerc                 G   s@   | j dkr0| jj}| j| | j|_| j|_n| j d | _ d S Nr   r!   )r   r   rO   rU   r   r_   r   ra   )r   r   rx   r   r   r   r`      s    

zRejecter.end_element_handlerN)r3   r4   r5   r6   r   r   r`   r   r   r   r   r     s   r   c                   @   s    e Zd ZdZdd Zdd ZdS )r   r   c                 G   s.   | j j}| j|  | j j|ur*| jd | _d S r   )r   rY   r   r   )r   r   r   r   r   r   r   -  s    
zSkipper.start_element_handlerc                 G   sD   | j dkr*| j| jj_| j| jj_d | _n| j d | _ | j|  d S r   )r   r   r   rO   r_   r   ra   r   r   r   r   r`   3  s    
zSkipper.end_element_handlerN)r3   r4   r5   r6   r   r`   r   r   r   r   r   *  s   r   z8http://xml.python.org/entities/fragment-builder/internalz<!DOCTYPE wrapper
  %%s [
  <!ENTITY fragment-builder-internal
    SYSTEM "%s">
%%s
]>
<wrapper %%s
>&fragment-builder-internal;</wrapper>c                   @   sJ   e 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S )FragmentBuilderzBuilder which constructs document fragments given XML source
    text and a context node.

    The context node is expected to provide information about the
    namespace declarations which are in scope at the start of the
    fragment.
    Nc                 C   s6   |j tkr|| _|| _n|j| _|| _t| | d S r   )r   r   originalDocumentr   r   rI   r   )r   r   rQ   r   r   r   r   [  s    
zFragmentBuilder.__init__c                 C   s   t |  d | _d S r   )rI   rP   fragmentr   r   r   r   rP   d  s    
zFragmentBuilder.resetc                 C   s   |  | S )zRParse a document fragment from a file object, returning the
        fragment node.)r   rz   r   r   r   r   r   r   h  s    zFragmentBuilder.parseFilec           	      C   s   || _ |  }| jj}d}|rV|jp*|  }|jrDd|j|jf }qZ|jrZd|j }nd}|  }t	|||f }z|
|d W n   |    Y n0 | j}|   |S )zMParse a document fragment from a string, returning the
        fragment node. zPUBLIC "%s" "%s"zSYSTEM "%s"T)_sourcerV   r   r   r   _getDeclarationsr   r   _getNSattrs_FRAGMENT_BUILDER_TEMPLATEr{   rP   r   )	r   r   rx   r   Zidentr   ZnsattrsrX   r   r   r   r   r   m  s.    
zFragmentBuilder.parseStringc                 C   s  | j jj}d}|rt|jjD ]R}|j|}|r<|d }d||jf }|jrdd||j|j	f }q d||j	f }q t|j
jD ]}|j
|}|r|d }d||jf }|jrd||j|j	f }n&|j	rd||j	f }nd	||jjf }|jrd
||jf }|d }q|S )zRe-create the internal subset from the DocumentType node.

        This is only needed if we don't already have the
        internalSubset as a string.
        r   z
  z%s<!NOTATION %sz!%s PUBLIC "%s"
             "%s">z%s SYSTEM "%s">z%s<!ENTITY %sz %s PUBLIC "%s"
             "%s"z%s SYSTEM "%s"z%s "%s"z%s NOTATION %s>)r   r   r   r   r   ZlengthitemnodeNamer   r   r   Z
firstChildr   r   )r   r   r9   r   Znotationr   r   r   r   r     s:    

z FragmentBuilder._getDeclarationsc                 C   s   dS )Nr   r   r   r   r   r   r     s    zFragmentBuilder._getNSattrsc                 C   s   |t krz| j}| j}| j|}| j| _| j | _| j| _z$|| j	d W || _|| _d | _	n|| _|| _d | _	0 dS t
| ||||S d S )NTr   )$_FRAGMENT_BUILDER_INTERNAL_SYSTEM_IDrX   rY   rO   ZExternalEntityParserCreater   ZcreateDocumentFragmentr   r{   r   rI   rr   )r   r   r   r   r   Zold_documentZold_cur_noderx   r   r   r   rr     s&    
z+FragmentBuilder.external_entity_ref_handler)N)r3   r4   r5   r   r   rP   r   r   r   r   rr   r   r   r   r   r   R  s   
	$r   c                   @   s@   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d Zdd Z	dS )
Namespacesz7Mix-in class for builders; adds support for namespaces.c                 C   s
   g | _ d S r   )_ns_ordered_prefixesr   r   r   r   _initNamespaces  s    zNamespaces._initNamespacesc                 C   s   t jdd}d|_|S )z'Create a new namespace-handling parser.r;   )Znamespace_separatorT)r   rR   Znamespace_prefixesrw   r   r   r   rS     s    zNamespaces.createParserc                 C   s    t | | | jjr| j|_dS )z.Insert the namespace-handlers onto the parser.N)rI   rU   rJ   Znamespace_declarationsstart_namespace_decl_handlerZStartNamespaceDeclHandlerrw   r   r   r   rU     s    zNamespaces.installc                 C   s   | j ||f dS )z/Push this namespace declaration on our storage.N)r   r   )r   rF   rD   r   r   r   r     s    z'Namespaces.start_namespace_decl_handlerc                 C   s  d|v rt | |\}}}}nt}|}d }t}t||||}| j|_t| j| || _| j	r| j	D ]P\}}|rt
t| d| t|d}nt
dtdt}||_| j|_t|| qb| j	d d = |r~|  |j}	|j}
tdt|dD ]}|| }||d  }d|v rDt | |\}}}}t
||||}||	|< ||
||f< n$t
|t|t}||	|< ||
t|f< | j|_||_||_qd S )Nr;   xmlns:xmlnsr   r=   r!   )rH   r   r   r   ZElementrX   r   r	   rY   r   r   r:   r   r   r
   Z_ensure_attributes_attrs_attrsNSr   r?   ZownerElement)r   rA   r   rD   rE   rF   rG   r   r   r   r   r   r&   r   r   r   r   r     sV    
z Namespaces.start_element_handlerc                 C   s   | j }d|v rHt| |\}}}}|j|kr>|j|kr>|j|kslJ dn$|j|ksZJ d|jtkslJ d|j| _ | | d S )Nr;   z$element stack messed up! (namespace)z&element stack messed up - bad nodeNamez*element stack messed up - bad namespaceURI)	rY   rH   r*   r+   rF   r   r   r   r   )r   rA   rY   rD   rE   rF   rG   r   r   r   r`     s$    
zNamespaces.end_element_handlerN)
r3   r4   r5   r   r   rS   rU   r   r   r`   r   r   r   r   r     s   5r   c                   @   s   e Zd ZdZdd ZdS )ExpatBuilderNSz*Document builder that supports namespaces.c                 C   s   t |  |   d S r   )rI   rP   r   r   r   r   r   rP   )  s    
zExpatBuilderNS.resetN)r3   r4   r5   r   rP   r   r   r   r   r   &  s   r   c                   @   s    e Zd ZdZdd Zdd ZdS )FragmentBuilderNSz*Fragment builder that supports namespaces.c                 C   s   t |  |   d S r   )r   rP   r   r   r   r   r   rP   1  s    
zFragmentBuilderNS.resetc                 C   s   d}| j }g }|r~t|drv|j D ]N\}}||v r8q&|| |rPd| }nd}|rhd|||f }q&d||f }q&|j}q|S )zNReturn string of namespace attributes from this element and
        ancestors.r   _ns_prefix_urir   r   z%s
    %s='%s'z %s='%s')r   hasattrr   itemsr   r   )r   attrsr   r   rF   rD   Zdeclnamer   r   r   r   5  s"    


zFragmentBuilderNS._getNSattrsN)r3   r4   r5   r   rP   r   r   r   r   r   r   .  s   r   c                   @   s   e Zd ZdZdS )r~   zEException raised to short-circuit parsing in InternalSubsetExtractor.N)r3   r4   r5   r   r   r   r   r   r~   S  s   r~   c                   @   sL   e Zd Zd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S )r   zBXML processor which can rip out the internal document type subset.Nc                 C   s   | j S )z'Return the internal subset as a string.)r   r   r   r   r   r   \  s    z!InternalSubsetExtractor.getSubsetc                 C   s(   zt | | W n ty"   Y n0 d S r   )rI   r   r~   r   r   r   r   r   `  s    z!InternalSubsetExtractor.parseFilec                 C   s(   zt | | W n ty"   Y n0 d S r   )rI   r   r~   )r   r   r   r   r   r   f  s    z#InternalSubsetExtractor.parseStringc                 C   s   | j |_| j|_d S r   )r\   r]   r   r_   rw   r   r   r   rU   l  s    zInternalSubsetExtractor.installc                 C   s0   |r&|   }g | _| jj|_| j|_nt d S r   )rV   r   r   ZDefaultHandlerr   r   r~   )r   rA   r   r   r   rx   r   r   r   r\   p  s    

z2InternalSubsetExtractor.start_doctype_decl_handlerc                 C   s,   d | jdddd}|| _t d S )Nr   z

)joinr   replacer~   )r   r9   r   r   r   r   z  s    z0InternalSubsetExtractor.end_doctype_decl_handlerc                 C   s
   t  d S r   )r~   )r   rA   r   r   r   r   r     s    z-InternalSubsetExtractor.start_element_handler)r3   r4   r5   r   r   r   r   r   rU   r\   r   r   r   r   r   r   r   W  s   
r   Tc                 C   s`   |rt  }nt }t| trRt| d}||}W d   q\1 sF0    Y  n
|| }|S )z{Parse a document, returning the resulting Document node.

    'file' may be either a file name or an open file object.
    rbN)r   rI   
isinstancestropenr   )r   
namespacesr8   fpresultr   r   r   parse  s    
*
r   c                 C   s   |rt  }nt }|| S )zOParse a document from a string, returning the resulting
    Document node.
    )r   rI   r   )r   r   r8   r   r   r   r     s    r   c                 C   sd   |rt |}nt|}t| trVt| d}||}W d   q`1 sJ0    Y  n
|| }|S )zParse a fragment of a document, given the context from which it
    was originally extracted.  context should be the parent of the
    node(s) which are in the fragment.

    'file' may be either a file name or an open file object.
    r   N)r   r   r   r   r   r   )r   r   r   r8   r   r   r   r   r   parseFragment  s    

*
r   c                 C   s    |rt |}nt|}|| S )zParse a fragment of a document from a string, given the context
    from which it was originally extracted.  context should be the
    parent of the node(s) which are in the fragment.
    )r   r   r   )r   r   r   r8   r   r   r   parseFragmentString  s    
r   c                 C   s   | j rt| S t| S dS )z,Create a builder based on an Options object.N)r   r   rI   )rQ   r   r   r   makeBuilder  s    r   )T)T)T)T)3r   Zxml.domr   r   r   r   r   r   Zxml.parsersr   Zxml.dom.minidomr	   r
   Zxml.dom.NodeFilterr   r   r   r   ZDOMBuilderFilterr   r   r   r   ZgetDOMImplementationrW   ZTypeInfor$   objectr   r:   rH   rI   r   rL   r   r   r   r   r   r   r   r   r   	Exceptionr~   r   r   r   r   r   r   r   r   r   r   <module>   sf   








3  C
:	u_%,



