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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.
� Nz[a-zA-Z][-_.a-zA-Z0-9]*\s*z(\'[^\']*\'|"[^"]*")\s*z--\s*>z ]\s*]\s*>z]\s*>c @ s� e Z d Z d Z d d � Z d d � Z d d � Z d d � Z d
d � Z d Z d
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d d 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" S)#�
ParserBaseziParser base class which provides some common support methods used
by the SGML/HTML and XHTML parsers.c C s" | j t k r t d � � n d S)Nz)_markupbase.ParserBase must be subclassed)� __class__r � RuntimeError)�self� r �0/opt/alt/python34/lib64/python3.4/_markupbase.py�__init__ s zParserBase.__init__c C s t d � � d S)Nz.subclasses of ParserBase must override error())�NotImplementedError)r �messager r r �error s zParserBase.errorc C s d | _ d | _ d S)N� r )�lineno�offset)r r r r �reset$ s zParserBase.resetc C s | j | j f S)z&Return current line number and offset.)r
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�
r )�rawdata�countr
�rindexr )r �i�jr Znlines�posr r r � updatepos0 s zParserBase.updatepos� c
C st | j } | d } | | | � d k s5 t d � � | | | d � d k rW | d S| | | d � d k ru d St | � } | | | d � d k r� | j | � S| | d k r� | j | � S| j | | � \ } } | d
k r� | S| d k rd | _ n xh| | k ro| | } | d k ro| | d | � } | d k rZ| j | � n
| j | � | d S| d k r�t | | � } | s�d S| j
� } n� | d
k r�| j | | � \ } } n� | | j k r�| d } nv | d k rG| d k r| j | d | � } q\| d k r7| j d | � q\| j d � n | j d | | � | d
k r| SqWd S)N� z<!z$unexpected call to parse_declarationr �>�-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 �elementr �linkr" )
r �AssertionError�len�
parse_comment�parse_marked_section�
_scan_name�_decl_othercharsZ handle_decl� unknown_decl�_declstringlit_match�end�_parse_doctype_subsetr )
r r r r �nZdecltype�c�data�m�namer r r �parse_declaration@ sZ
"
z ParserBase.parse_declarationr c C s | j } | | | d � d k s/ t d � � | j | d | � \ } } | d k r[ | S| d k r� t j | | d � } nD | d k r� t j | | d � } n | j d
| | d | � � | s� d S| r| j d � } | j | | d | � � n | j d � S)N� z<![z)unexpected call to parse_marked_section()r �temp�cdata�ignore�include�rcdata�if�else�endifz+unknown status keyword %r in marked sectionr > r7 �includer: r6 �ignore> r= �if�elser" )
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 r3 | j d � n t j | | d � } | sS d S| r� | j d � } | j | | d | � � n | j d � S)N� z<!--z"unexpected call to parse_comment()r r r" )r r �
_commentcloserC rE Zhandle_commentr- )r r rF r rG 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 | � n | d | k r� d S| d | k r� d S| | | d � d k r| j | d d �} | d k r | Sq n | j | d | � \ } } | d k r1d S| d k re| j | | d � | j d | � n 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�q | d k r�| d } x* | | k rH| | j � rH| d } q W| | k r�| | d k ri| 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)rH z<!--rF 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" > �element�attlistrL rK r" r" r" )r r& r r r' r) �getattr�isspace)
r r � declstartposr r/ r r0 �sr3 �methr r r r. � sn
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 rT r3 r r r r r �_parse_doctype_element� s z!ParserBase._parse_doctype_elementc C sC | 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 Sn | d k r'| | d � d k r�d S| j | d | � \ } } | d k r| S| | | d � } | s'd Sn | d k r\ | d Sq\ Wd S)Nr r r r �(�)z'"�#r" r" r" r" r" r" r" r" r" )r r) rW rS r, r- )r r rT r r3 r r0 r2 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 rT r3 r r r0 r2 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 rM r z'"r r" r" r" )r rS r) r, r- )r r rT r r r0 r3 r2 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 rT r r/ r2 rU r3 r r r r) x s zParserBase._scan_namec C s d S)Nr )r r1 r r r r+ � s zParserBase.unknown_declN)�__name__�
__module__� __qualname__�__doc__r r r r r r* r4 r( r' r. rX r\ r] r^ r) r+ r r r r r s"
R C 9 $ r )
rg �re�compilerG r` r, rI rB rD r r r r r �<module> s