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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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k r�|S q�W dS )N� z<!z$unexpected call to parse_declarationr �>�-r z--�[r Zdoctypez"'Z4abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ�attlist�linktype�link�elementz&unsupported '[' char in %s declarationz"unexpected '[' char in declarationz!unexpected %r char in declaration)r r ���r" > r r! r r r" )
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z ParserBase.parse_declarationr c C s� | j }|||d � dks"td��| j|d |�\}}|dk rB|S |dkr\tj||d �}n4|dkrvtj||d �}n| jd
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r r# r' �_markedsectionclose�search�_msmarkedsectioncloser �startr) r+ )r r �reportr ZsectNamer �matchr r r r& � s
z ParserBase.parse_marked_sectionc C sj | j }|||d � dkr$| jd� tj||d �}|s<dS |r`|jd�}| j||d |� � |jd�S )N� z<!--z"unexpected call to parse_comment()r r r" )r r �
_commentcloser= r? Zhandle_commentr+ )r r r@ r rA r r r r r% � s
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C s4 | j }t|�}|}�x||k �r.|| }|dk�r4|||d � }|dkrNdS |dkrt| j||d � | jd| � |d |kr�dS |d |kr�dS |||d � dkr�| j|dd �}|dk r|S q| j|d |�\}}|dkr�dS |dk�r | j||d � | jd| � t| d| �} | ||�}|dk �r,|S q|dk�r�|d |k�rPd S | j|d |�\}}|dk �rr|S || dk�r,|d }q|dk�r�|d }x&||k �r�|| j� �r�|d }�q�W ||k �r�|| dk�r�|S | j||� | jd� nd S q|j� �r|d }q| j||� | jd| � qW d S ) N�<r r z<!z*unexpected char in internal subset (in %r)rB 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 rF r" r" r" )r r$ r r r% r' �getattr�isspace)
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z ParserBase._parse_doctype_subsetc C sF | j ||�\}}|dkr dS | j}d||d � krB|jd|�d S dS )Nr r r" r" r" )r' r �find)r r rL r1 r r r r r �_parse_doctype_element� s z!ParserBase._parse_doctype_elementc C s� | j }| j||�\}}|||d � }|dkr2d S |dkrB|d S �xv| j||�\}}|dk rb|S |||d � }|dkr~d
S |dkr�d||d � kr�|jd|�d }nd S x |||d � j� r�|d }q�W ||d � s�d S n| j||�\}}|||d � }|�s
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S |dk�rLt||�}|�r.|j� }ndS |||d � }|�sLdS |dk�r�||d � dk�rldS | j|d |�\}}|dk �r�|S |||d � }|�s�dS |dkrF|d S qFW d S )Nr r r r �(�)z'"�#r" r" r" r" r" r" r" r" r" )r r' rO rK r* r+ )r r rL r r1 r r. r0 r r r �_parse_doctype_attlist sZ
z!ParserBase._parse_doctype_attlistc C s� | j ||�\}}|dk r |S | j}xl|||d � }|s<dS |dkrL|d S |dkrpt||�}|sfdS |j� }q$| j ||�\}}|dk r$|S q$W d S )Nr r r z'"r" r" )r' r r* r+ )r r rL r1 r r r. r0 r r r �_parse_doctype_notation= s$
z"ParserBase._parse_doctype_notationc C s� | j }|||d � dkrV|d }x6|||d � }|s<dS |j� rN|d }q$P q$W n|}| j||�\}}|dk rv|S xp| j ||d � }|s�dS |dkr�t||�}|r�|j� }q�dS qx|dkr�|d S | j||�\}}|dk rx|S qxW d S ) Nr rG r z'"r r" r" r" )r rK r' r* r+ )r r rL r r r. r1 r0 r r r �_parse_doctype_entityT s8
z ParserBase._parse_doctype_entityc C s� | j }t|�}||krdS t||�}|r\|j� }|j� }|t|� |krLdS |j� |j� fS | j||� | jd|||d � � d S )Nr zexpected name token at %r� r" )Nr" r" )Nr" ) r r$ �_declname_match�group�strip�lowerr+ r r )r r rL r r- r0 rM r1 r r r r' x s
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