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편집 파일: expatbuilder.cpython-37.opt-1.pyc
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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)� NodeFilterNZcdata� enumeration�entity�entities�idZidrefZidrefsZnmtokenZnmtokens) ZCDATA�ENUMZENTITYZENTITIES�IDZIDREFZIDREFSZNMTOKENZNMTOKENSc @ sZ e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dd� Z dS )� ElementInfo)� _attr_info�_model�tagNameNc C s || _ g | _|| _d S )N)r r r )�selfr �model� r �9/opt/alt/python37/lib64/python3.7/xml/dom/expatbuilder.py�__init__? s zElementInfo.__init__c C s | j | j| jfS )N)r r r )r r r r � __getstate__D s zElementInfo.__getstate__c C s |\| _ | _| _d S )N)r r r )r �stater r r � __setstate__G s zElementInfo.__setstate__c C sJ xB| j D ]8}|d |kr|d }|d dkr4td S t|d S qW tjS )N� ���r �(r )r � _typeinfo_mapr �_no_type)r �aname�info�tr r r �getAttributeTypeJ s z ElementInfo.getAttributeTypec C s t jS )N)r r" )r Z namespaceURIZ localNamer r r �getAttributeTypeNST 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Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Zd3d4� Z d5d6� Z d7d8� Z d9d:� Z dS )<� ExpatBuilderzPDocument builder that uses Expat to build a ParsedXML.DOM document instance.Nc C sP |d krt �� }|| _| jjd k r2t| jj�| _n d | _t| _d | _| � � d S )N) r ZOptions�_options�filter�FilterVisibilityController�_filterr �_finish_start_element�_parser�reset)r �optionsr r r r � s zExpatBuilder.__init__c C s t �� S )zCreate a new parser object.)r � ParserCreate)r r r r � createParser� s zExpatBuilder.createParserc C sF | j s@| �� | _ | j jj| _d| j _d| j _d| j _| �| j � | j S )z7Return the parser object, creating a new one if needed.T) rI rM r= � setdefaultr1 Z buffer_textZordered_attributesZspecified_attributes�install)r r r r � getParser� s zExpatBuilder.getParserc C s, t �tdd�| _| j| _| jj| _d| _dS )z6Free all data structures used during DOM construction.NF)�theDOMImplementationZcreateDocumentr �document�curNode� _elem_info�_cdata)r r r r rJ � s zExpatBuilder.resetc C s� | j |_| j|_| j|_| j|_| jj r0| j |_ | j |_ | jjrH| j|_| jjrj| j|_| j|_| j|_n| j|_| j|_| j|_ | j |_ | j |_ dS )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� ProcessingInstructionHandlerrD r �entity_decl_handler�EntityDeclHandler�notation_decl_handler�NotationDeclHandler�comments�comment_handler�CommentHandlerZcdata_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_handlerZXmlDeclHandler�element_decl_handlerZElementDeclHandler�attlist_decl_handlerZAttlistDeclHandler)r �parserr r r rO � s$ zExpatBuilder.installc C s� | � � }d}yLx:|�d�}|s P |�|d� |rB| jjrB| �|� d}qW |�dd� W n tk rl Y nX | j}| �� d| _|S )zIParse a document from a file object, returning the document 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�Attrr r r� r� r ru rH )r r; r� r� �i�ar� r r r r� ` s z"ExpatBuilder.start_element_handlerc C sj | j rf|| jjkrd S | j �|�}|tkr4t| � n|tkrFt| � nd S |j| _ |j� |� |� � d S )N) rG rR ru �startContainerr� �Rejecter� FILTER_SKIP�Skipper� parentNoderS r� �unlink)r r� Zfiltr r r rH q s z"ExpatBuilder._finish_start_elementc C s | j }|j| _ | �|� d S )N)rS r� r� )r r; rS r r r rZ � s z ExpatBuilder.end_element_handlerc C s\ | j �|j�}|r | �||� | jrX|| jjkr4d S | j�|�tkrX| j � |� |� � d S )N) rT �getr �_handle_white_text_nodesrG rR ru r� r� rS r� r� )r rS r$ r r r r� � s z ExpatBuilder._finish_end_elementc C sb | j js|�� sd S g }x,|jD ]"}|jtkr |j�� s |�|� q W x|D ]}|� |� qLW d S )N) rD 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 s0 | j �|�}|d kr&t||�| j |< n||_d S )N)rT r� r r )r r; r r$ r r r ro � s z!ExpatBuilder.element_decl_handlerc C sF | j �|�}|d kr&t|�}|| j |< |j�d |d d |d||g� d S )Nr )rT r� r r r� )r �elemr; r( �defaultZrequiredr$ r r r rp � s z!ExpatBuilder.attlist_decl_handlerc C s2 || j _|| j _|dkr.|r&d| j _nd| j _d S )Nr TF)rR �version�encoding� standalone)r r� r� r� r r r rn � s z ExpatBuilder.xml_decl_handler)N) r- r. r/ �__doc__r rM rP rJ rO r{ r} rv rV r� r\ ri rk r^ r` rc re rg rl rX r� rH rZ r� r� ro rp rn r r r r rC � s: rC c @ s� e Zd ZdZdZdd� Zdd� Zdd� Zej e j ej e j eje jeje jeje jeje jeje jeje jeje jej e j ej e j ej e j!i Z"d S ) rF zoWrapper around a DOMBuilderFilter which implements the checks to make the whatToShow filter attribute work.)rE c C s || _ d S )N)rE )r rE r r r r � s z#FilterVisibilityController.__init__c C sT | j |j }| jj|@ rL| j�|�}|tkr0t�|tkrHtdt |� ��|S t S d S )Nz)startContainer() returned illegal value: ) �_nodetype_maskr� rE � whatToShowr� �FILTER_INTERRUPTrw �_ALLOWED_FILTER_RETURNSr: �reprr� )r r� �mask�valr r r r� � s z)FilterVisibilityController.startContainerc C s� | j |j }| jj|@ r�| j�|�}|tkr0t�|tkrd|j}x |j d d � D ]}|� |� qNW t S |t kr|t 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zRejecter.__init__c G s | j d | _ d S )Nr )r� )r �argsr r r r� s z Rejecter.start_element_handlerc G s@ | j dkr0| jj}| j�|� | j|_| j|_n | j d | _ d S )Nr r )r� r� rI rO r� rY r� r[ )r r� rq r r r rZ s z Rejecter.end_element_handlerN)r- r. r/ r0 r r� rZ r r r r r� s r� c @ s e Zd ZdZdd� Zdd� ZdS )r� r c G s. | j j}| j|� | j j|k r*| jd | _d S )Nr )r� rS r� r� )r r� r� r r r r� - s z Skipper.start_element_handlerc G sD | j dkr*| j| jj_| j| jj_d | _n| j d | _ | j|� d S )Nr r )r� r� r� rI rY r� r[ )r r� r r r rZ 3 s zSkipper.end_element_handlerN)r- r. r/ r0 r� rZ 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 Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dS )�FragmentBuilderz�Builder which constructs document fragments given XML source text and a context node. 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Nc C s6 |j tkr|| _|| _n|j| _|| _t�| |� d S )N)r� r� �originalDocumentr� r� rC r )r r� rK r r r r [ s zFragmentBuilder.__init__c C s t �| � d | _d S )N)rC rJ �fragment)r r r r rJ d s zFragmentBuilder.resetc C s | � |�� �S )zRParse a document fragment from a file object, returning the fragment node.)r} rs )r rx r r r r{ h s zFragmentBuilder.parseFilec C s� || _ | �� }| jj}d}|rV|jp*| �� }|jrDd|j|jf }qZ|jrZd|j }nd}| �� }t |||f }y|� |d� W n | � � � Y nX | j }| � � |S )zMParse a document fragment from a string, returning the fragment node.rr zPUBLIC "%s" "%s"z SYSTEM "%s"r ) �_sourcerP r� r~ r� �_getDeclarationsr� r� � _getNSattrs�_FRAGMENT_BUILDER_TEMPLATErt rJ r� ) r r| rq r~ Zidentr� ZnsattrsrR r� r r r r} m s, zFragmentBuilder.parseStringc C s | j jj}d}|�rxbt|jj�D ]R}|j�|�}|r>|d }d||jf }|jrfd||j|j f }q"d||j f }q"W x�t|j j�D ]�}|j �|�}|r�|d }d||jf }|jr�d||j|j f }n&|j r�d||j f }nd ||j j f }|j �rd ||j f }|d }q�W |S ) z�Re-create the internal subset from the DocumentType node. This is only needed if we don't already have the internalSubset as a string. rr 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� �length�itemZnodeNamer� r� r Z firstChildr� r� )r r~ r3 r� Znotationr r r r r� � s6 z FragmentBuilder._getDeclarationsc C s dS )Nrr r )r r r r r� � s zFragmentBuilder._getNSattrsc C s~ |t krh| j}| j}| j�|�}| j| _| j�� | _| j| _z|�| j d� W d || _|| _d | _ X dS t � | ||||�S d S )Nr r� ) �$_FRAGMENT_BUILDER_INTERNAL_SYSTEM_IDrR rS rI ZExternalEntityParserCreater� ZcreateDocumentFragmentr� rt r� rC rl )r r� r� r� r� Z old_documentZ old_cur_noderq r r r rl � s z+FragmentBuilder.external_entity_ref_handler)N) r- r. r/ r� r rJ r{ r} r� r� rl r r r r r� R s $r� c @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) � Namespacesz7Mix-in class for builders; adds support for namespaces.c C s g | _ d S )N)�_ns_ordered_prefixes)r r r r �_initNamespaces� s zNamespaces._initNamespacesc C s t jdd�}d|_|S )z'Create a new namespace-handling parser.r5 )Znamespace_separatorT)r rL Znamespace_prefixes)r rq r r r rM � s zNamespaces.createParserc C s t �| |� | jjr | j|_dS )z.Insert the namespace-handlers onto the parser.N)rC rO rD Znamespace_declarations� start_namespace_decl_handlerZStartNamespaceDeclHandler)r rq r r r rO � s zNamespaces.installc C s | j �||f� dS )z/Push this namespace declaration on our storage.N)r� r� )r r@ r> r r r r� � s z'Namespaces.start_namespace_decl_handlerc C s� d|kr t | |�\}}}}nt}|}d }t}t�||||�}| j|_t| j|� || _| j r�xZ| j D ]P\}}|r�t� t | d| �t |d�}nt� dt dt�}||_ | j|_t||� qdW | j d d �= |�r�|�� |j} |j} x�tdt|�d�D ]�} || } || d } d| k�rJt | | �\}}}}t� ||||�}|| |< || ||f< n$t� | t| t�}|| | < || t| f< | j|_| |_ ||_q�W d S )Nr5 zxmlns:�xmlnsr r7 r )rB r r r ZElementrR r� r rS r� r� r4 r r� r Z_ensure_attributes�_attrs�_attrsNSr� r9 Z ownerElement)r r; r� r> r? r@ rA r� r� r� r� r� r# r� r r r r� � sP z Namespaces.start_element_handlerN) r- r. r/ r� r� rM rO r� r� r r r r r� � s /r� c @ s e Zd ZdZdd� ZdS )�ExpatBuilderNSz*Document builder that supports namespaces.c C s t �| � | �� d S )N)rC rJ r� )r r r r rJ ) s zExpatBuilderNS.resetN)r- r. r/ r� rJ r r r r r� & s r� c @ s e Zd ZdZdd� Zdd� ZdS )�FragmentBuilderNSz*Fragment builder that supports namespaces.c C s t �| � | �� d S )N)r� rJ r� )r r r r rJ 1 s zFragmentBuilderNS.resetc C s� d}| j }g }xv|r�t|d�r|x\|j�� D ]N\}}||kr<q*|�|� |rTd| }nd}|rld|||f }q*d||f }q*W |j}qW |S )zNReturn string of namespace attributes from this element and ancestors.rr �_ns_prefix_urizxmlns:r� z%s %s='%s'z %s='%s')r� �hasattrr� �itemsr� r� )r �attrsr� r� r@ r> Zdeclnamer r r r� 5 s" z FragmentBuilderNS._getNSattrsN)r- r. r/ r� rJ r� r r r r r� . s r� c @ s e Zd ZdZdS )rw zEException raised to short-circuit parsing in InternalSubsetExtractor.N)r- r. r/ r� r r r r rw S s rw c @ sL e Zd ZdZdZdd� Zdd� Zdd� Zd d � Zd d � Z d d� Z dd� Z dS )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* yt �| |� W n tk r$ Y nX d S )N)rC r{ rw )r rx r r r r{ ` s z!InternalSubsetExtractor.parseFilec C s* yt �| |� W n tk r$ Y nX d S )N)rC r} rw )r r| r r r r} f s z#InternalSubsetExtractor.parseStringc C s | j |_| j|_d S )N)rV rW r� rY )r rq r r r rO l s z InternalSubsetExtractor.installc C s0 |r&| � � }g | _| jj|_| j|_nt� �d S )N)rP r� r� ZDefaultHandlerr� r� rw )r r; r� r� r� rq r r r rV p s z2InternalSubsetExtractor.start_doctype_decl_handlerc C s, d� | j��dd��dd�}|| _t� �d S )Nrr z � � )�joinr� �replacerw )r r3 r r r r� z s z0InternalSubsetExtractor.end_doctype_decl_handlerc C s t � �d S )N)rw )r r; r� r r r r� s z-InternalSubsetExtractor.start_element_handler) r- r. r/ r� r� r� r{ r} rO rV r� r� r r r r r W s r Tc C sL |r t � }nt� }t| t�r>t| d��}|�|�}W dQ R X 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� rC � isinstance�str�openr{ )rx � namespacesr2 �fp�resultr r r �parse� s r� c C s |r t � }nt� }|�| �S )zOParse a document from a string, returning the resulting Document node. )r� rC r} )r| r� r2 r r r r} � s r} c C sP |rt |�}nt|�}t| t�rBt| d��}|�|�}W dQ R X n |�| �}|S )z�Parse 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{ )rx r� r� r2 r� r� r r r � parseFragment� s r� c C s |rt |�}nt|�}|�| �S )z�Parse 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� r2 r r r �parseFragmentString� s r� c C s | j rt| �S t| �S dS )z,Create a builder based on an Options object.N)r� r� rC )rK r r r � makeBuilder� s r� )T)T)T)T)3r� Zxml.domr r r r r r Z xml.parsersr Zxml.dom.minidomr r Zxml.dom.NodeFilterr r� r� r� ZDOMBuilderFilterr� r� r� r� ZgetDOMImplementationrQ ZTypeInfor! �objectr r4 rB rC r� rF r� r� r� r� r� r� r� r� r� � Exceptionrw r r� r} r� r� r� r r r r �<module> s^ 3 C : u_%,