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z�Shared support for scanning document type declarations in HTML and XHTML.
This module is used as a foundation for the html.parser module. It has no
documented public API and should not be used directly.
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ParserBaseziParser base class which provides some common support methods used
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r )r r r r �getpos( s zParserBase.getposc C s� | | k r | S| j } | j d | | � } | rm | j | | _ | j d | | � } | | d | _ n | j | | | _ | S)N�
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| d | � } q7| d k r| j d | � q7| j d � n | j d | | � | d k r� | Sq� Wd S)N� r �>�-r z--�[r Zdoctypez"'Z4abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ�attlist�linktype�link�elementz&unsupported '[' char in %s declarationz"unexpected '[' char in declarationz!unexpected %r char in declaration)r r ���r" > r r! r r r" ) r �len�
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z ParserBase.parse_declarationr c C s� | j } | j | d | � \ } } | d k r5 | S| d
k rZ t j | | d � } nD | d k r t j | | d � } n | j d | | d | � � | s� d S| r� | j d � } | j | | d | � � | j d � S)N� r �temp�cdata�ignore�include�rcdata�if�else�endifz+unknown status keyword %r in marked sectionr > r5 r4 r3 r6 r7 > r9 r8 r: r" ) r r& �_markedsectionclose�search�_msmarkedsectioncloser �startr( r* )r r �reportr ZsectNamer �matchr r r r% � s z ParserBase.parse_marked_sectionc C s� | j } | | | d � d k r0 | j d � t j | | d � } | sP d S| r� | j d � } | j | | d | � � | j d � S)N� z<!--z"unexpected call to parse_comment()r r r" )r r �
_commentcloser< r> Zhandle_commentr* )r r r? r r@ r r r r r$ � s
zParserBase.parse_commentc
C s� | j } t | � } | } x�| | k r�| | } | d k r�| | | d � } | d k rd d S| d k r� | j | | d � | j d | � | d | k r� d S| d | k r� d S| | | d � d k r� | j | d d �} | d k r | Sq | j | d | � \ } } | d k r+d S| d k r\| j | | d � | j d | � t | d | � } | | | � } | d k r�| Sq | d k r�| d | k r�d S| j | d | � \ } } | d k r�| S| | d k r�| d } q | d k r�| d } x* | | k r<| | j � r<| d } qW| | k r}| | d k r]| S| j | | � | j d � q�d Sq | j � r�| d } q | j | | � | j d | � q Wd S) N�<r r z<!z*unexpected char in internal subset (in %r)rA z<!--r? r r r! �entity�notationz)unknown declaration %r in internal subsetZ_parse_doctype_�%�;�]r z%unexpected char after internal subsetz%unexpected char %r in internal subsetr" r" r" r" r" > rE r r! rD r" r" r" )r r# r r r$ r& �getattr�isspace)
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z ParserBase._parse_doctype_subsetc C s_ | j | | � \ } } | d k r( d S| j } d | | d � k r[ | j d | � d Sd S)Nr r r" r" r" )r& r �find)r r rK r0 r r r r r �_parse_doctype_element� s z!ParserBase._parse_doctype_elementc C s= | j } | j | | � \ } } | | | d � } | d k rE d S| d k rY | d Sx�| j | | � \ } } | d k r� | S| | | d � } | d k r� d
S| d k r)d | | d � k r� | j d | � d } n d Sx( | | | d � j � r| d } q� W| | d � sAd Sn | j | | � \ } } | | | d � } | s_d
S| d k r�t | | � } | r�| j � } n d S| | | d � } | s�d S| d k r!| | d � d k r�d S| j | d | � \ } } | d k r| S| | | d � } | s!d S| d k r\ | d Sq\ Wd S)Nr r r r �(�)z'"�#r" r" r" r" r" r" r" r" r" )r r& rN rJ r) r* )r r rK r r0 r r- r/ r r r �_parse_doctype_attlist sZ z!ParserBase._parse_doctype_attlistc C s� | j | | � \ } } | d k r( | S| j } x� | | | d � } | sR d S| d k rf | d S| d k r� t | | � } | s� d S| j � } q4 | j | | � \ } } | d k r4 | Sq4 Wd S)Nr r r z'"r" r" )r& r r) r* )r r rK r0 r r r- r/ r r r �_parse_doctype_notation= s$ z"ParserBase._parse_doctype_notationc C s< | j } | | | d � d k ro | d } xE | | | d � } | sN d S| j � rg | d } q0 Pq0 Wn | } | j | | � \ } } | d k r� | Sx� | j | | d � } | s� d S| d k r� t | | � } | r� | j � } q4d Sq� | d k r | d S| j | | � \ } } | d k r� | Sq� Wd S) Nr rF r z'"r r" r" r" )r rJ r& r) r* )r r rK r r r- r0 r/ r r r �_parse_doctype_entityT s8
z ParserBase._parse_doctype_entityc C s� | j } t | � } | | k r% d St | | � } | r� | j � } | j � } | t | � | k rl d S| j � | j � f S| j | | � | j d | | | d � � d S)Nr zexpected name token at %r� r" )Nr" r" )Nr" ) r r# �_declname_match�group�strip�lowerr* r r )r r rK r r, r/ rL r0 r r r r& x s zParserBase._scan_namec C s d S)Nr )r r. r r r r( � s zParserBase.unknown_declN)�__name__�
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