3
_VjI @ s d Z ddlZddlZddlZddlmZ dgZejdZejdZ ejdZ
ejdZ ejd Z ejd
Z
ejd Zejd Zejd
ZejdejZejd
ZejdZG dd dejZdS )z A parser for HTML and XHTML. N)unescape
HTMLParserz[&<]z
&[a-zA-Z#]z%&([a-zA-Z][-.a-zA-Z0-9]*)[^a-zA-Z0-9]z)&#(?:[0-9]+|[xX][0-9a-fA-F]+)[^0-9a-fA-F]z <[a-zA-Z]>z--\s*>z+([a-zA-Z][^\t\n\r\f />\x00]*)(?:\s|/(?!>))*z]((?<=[\'"\s/])[^\s/>][^\s/=>]*)(\s*=+\s*(\'[^\']*\'|"[^"]*"|(?![\'"])[^>\s]*))?(?:\s|/(?!>))*aF
<[a-zA-Z][^\t\n\r\f />\x00]* # tag name
(?:[\s/]* # optional whitespace before attribute name
(?:(?<=['"\s/])[^\s/>][^\s/=>]* # attribute name
(?:\s*=+\s* # value indicator
(?:'[^']*' # LITA-enclosed value
|"[^"]*" # LIT-enclosed value
|(?!['"])[^>\s]* # bare value
)
(?:\s*,)* # possibly followed by a comma
)?(?:\s|/(?!>))*
)*
)?
\s* # trailing whitespace
z#c @ s e Zd ZdZd:ZddddZdd Zd
d Zd d
ZdZ dd Z
dd Z dd Z dd Z
dd Zd;ddZd d Zd d Zd d! Zd"d# Zd$d% Zd&d' Zd(d) Zd*d+ Zd,d- Zd.d/ Zd0d1 Zd2d3 Zd4d5 Z d6d7 Z d8d9 Z dS )'.)_HTMLParser__starttag_text)r r
r
r get_starttag_text s z HTMLParser.get_starttag_textc C s$ |j | _tjd| j tj| _d S )Nz )lowerr recompileIr )r elemr
r
r set_cdata_mode s
zHTMLParser.set_cdata_modec C s t | _d | _d S )N)r r r )r r
r
r clear_cdata_mode s zHTMLParser.clear_cdata_modec C sL | j }d}t|}x||k r| jr|| j r||jd|}|dk r|jdt||d }|dkrvtjdj || rvP |}n(| j
j ||}|r|j }n | jrP |}||k r| jr| j r| j t
||| n| j ||| | j||}||krP |j}|d|rLtj||r&| j|} n|d|r>| j|} nl|d|rV| j|} nT|d|rn| j|} n<|d |r| j|} n$|d
|k r| j d |d
} nP | dk r>|sP |jd |d
} | dk r|jd|d
} | dk r|d
} n| d
7 } | jr,| j r,| j t
||| n| j ||| | j|| }q|d |rtj||}|r|j d
d }
| j|
|j } |d| d
s| d
} | j|| }qn:d||d kr| j |||d
| j||d
}P q|d|rtj||}|rN|jd
}
| j |
|j } |d| d
s@| d
} | j|| }qt j||}|r|r|j ||d kr|j } | |kr|} | j||d
}P n,|d
|k r| j d | j||d
}nP qqW |r:||k r:| j r:| jr | j r | j t
||| n| j ||| | j||}||d | _ d S )Nr <&" z[\s;]z s
z!HTMLParser.parse_html_declarationr c C sD | j }|jd|d }|dkr"dS |r<| j||d | |d S )Nr r. r r0 r0 )r r1 handle_comment)r rF Zreportr posr
r
r rN 1 s z HTMLParser.parse_bogus_commentc C sH | j }tj||d }|s dS |j }| j||d | |j }|S )Nr. r r0 )r picloser4 r5 handle_pirB )r rF r r9 rG r
r
r r= = s zHTMLParser.parse_pic C s d | _ | j|}|dk r |S | j}||| | _ g }tj||d }|j }|jdj | _}x||k r$t j||}|s~P |jddd\} }
} |
sd } n^| d d d ko| d
d kn s| d d d ko| d d kn r| dd } | rt
| } |j | j | f |j }qbW ||| j } | d
kr| j
\}
}d | j kr|
| j jd }
t| j | j jd }n|t| j }| j||| |S | jdr| j|| n"| j|| || jkr| j| |S )Nr r r. rK '"r />
r0 r0 r0 )r rV )r" check_for_whole_start_tagr tagfind_tolerantr9 rB r@ r$ r attrfind_tolerantr r stripZgetposcountr r2 r6 endswithhandle_startendtaghandle_starttagCDATA_CONTENT_ELEMENTSr) )r rF endposr attrsr9 rH tagmZattrnamerestZ attrvaluerB linenooffsetr
r
r r: I sP
(*
zHTMLParser.parse_starttagc C s | j }tj||}|r|j }|||d }|dkr>|d S |dkr~|jd|rZ|d S |jd|rjd S ||krv|S |d S |dkrd
S |dkrd S ||kr|S |d S tdd S ) Nr r /z/>r. r
z6abcdefghijklmnopqrstuvwxyz=/ABCDEFGHIJKLMNOPQRSTUVWXYZzwe should not get here!r0 r0 r0 )r locatestarttagend_tolerantr9 rB r7 AssertionError)r rF r rd rG nextr
r
r rX | s. z$HTMLParser.check_for_whole_start_tagc C s | j }tj||d }|s dS |j }tj||}|s| jd k rV| j||| |S tj||d }|s|||d dkr|d S | j |S |j
dj }|j d|j }| j
| |d S |j
dj }| jd k r|| jk r| j||| |S | j
|j | j |S )Nr r. rK zr r0 )r endendtagr4 rB
endtagfindr9 r r6 rY rN r@ r$ r1
handle_endtagr* )r rF r r9 rO Z namematchZtagnamer( r
r
r r; s6
zHTMLParser.parse_endtagc C s | j || | j| d S )N)r_ rn )r rc rb r
r
r r^ s z HTMLParser.handle_startendtagc C s d S )Nr
)r rc rb r
r
r r_ s zHTMLParser.handle_starttagc C s d S )Nr
)r rc r
r
r rn s zHTMLParser.handle_endtagc C s d S )Nr
)r rI r
r
r rA s zHTMLParser.handle_charrefc C s d S )Nr
)r rI r
r
r rD s zHTMLParser.handle_entityrefc C s d S )Nr
)r r r
r
r r6 s zHTMLParser.handle_datac C s d S )Nr
)r r r
r
r rP s zHTMLParser.handle_commentc C s d S )Nr
)r Zdeclr
r
r rM s zHTMLParser.handle_declc C s d S )Nr
)r r r
r
r rS s zHTMLParser.handle_pic C s d S )Nr
)r r r
r
r unknown_decl s zHTMLParser.unknown_declc C s t jdtdd t|S )NzZThe unescape method is deprecated and will be removed in 3.5, use html.unescape() instead.r. )
stacklevel)warningswarnDeprecationWarningr )r sr
r
r r s
zHTMLParser.unescape)r r )r ) __name__
__module__ __qualname____doc__r` r r r r! r" r# r) r* r r> rN r= r: rX r; r^ r_ rn rA rD r6 rP rM rS ro r r
r
r
r r ? s8 z
3"()rx r% rq r Zhtmlr __all__r& r rE rC r? r8 rR Z commentcloserY rZ VERBOSEri rl rm r r r
r
r
r s(