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tagTokenTypes)replacementCharacters)HTMLInputStream)Triec sd e Zd ZdZd fdd Zdd Zdd Zdd
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HTMLTokenizera This class takes care of tokenizing HTML.
* self.currentToken
Holds the token that is currently being processed.
* self.state
Holds a reference to the method to be invoked... XXX
* self.stream
Points to HTMLInputStream object.
Nc sF t |f|| _|| _d| _g | _| j| _d| _d | _t t
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lastFourChars dataStatestateescape currentTokensuperr __init__)selfr r kwargs) __class__ /usr/lib/python3.6/_tokenizer.pyr " s zHTMLTokenizer.__init__c c s\ t g | _xL| j rVx&| jjr:td | jjjddV qW x| jrR| jj V q>W q W dS )z This is where the magic happens.
We do our usually processing through the states and when we have a token
to return we yield the token which pauses processing until the next token
is requested.
ParseErrorr )typedataN)r
tokenQueuer r errorsr poppopleft)r r r r! __iter__1 s
zHTMLTokenizer.__iter__c % C s( t }d}|rt}d}g }| jj }x(||krJ|tk rJ|j| | jj }q$W tdj||}|tkrt| }| j jt
d dd|id nld| kod kn s|d
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d dd|id n(d | kod
kn sd| kodkn sd| kodkn sd| ko4dkn s|t ddddddddd d d d d d!d"d#d$d%d&d'd(d)d*d+d,d-d.d/d0d1d2d3d4d5d
g#kr| j jt
d dd|id y t |}W n> t
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r |d6 }t d|d? B t d7|d8@ B }Y nX |d9kr$| j jt
d d:d; | jj| |S )r" z'expected-tag-name-but-got-right-bracket)r# r$ rJ z<>?z'expected-tag-name-but-got-question-markzexpected-tag-namerD T)r r6 markupDeclarationOpenStater closeTagOpenStater
r r tagNameStater% r7 r r= bogusCommentState)r r$ r r r! r] i s6
zHTMLTokenizer.tagOpenStatec C s | j j }|tkr0td |g dd| _| j| _n|dkrX| jjtd dd | j | _nn|t
kr| jjtd dd | jjtd d
d | j | _n0| jjtd d d |id
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r r6 r% r7 r scriptDataDoubleEscapedDashStater (scriptDataDoubleEscapedLessThanSignStater r )r r$ r r r! r s$
z*HTMLTokenizer.scriptDataDoubleEscapedStatec C s | j j }|dkr2| jjtd dd | j| _n|dkrZ| jjtd dd | j| _n|dkr| jjtd dd | jjtd dd | j| _nF|t kr| jjtd d d | j
| _n | jjtd |d | j| _d
S ) Nr| rJ )r# r$ rD r[ r" zinvalid-codepointu �zeof-in-script-in-scriptT) r r6 r% r7 r $scriptDataDoubleEscapedDashDashStater r r r r )r r$ r r r! r s(
z.HTMLTokenizer.scriptDataDoubleEscapedDashStatec C s | j j }|dkr*| jjtd dd n|dkrR| jjtd dd | j| _n|dkrz| jjtd dd | j| _n|dkr| jjtd dd | jjtd d d | j| _nF|t kr| jjtd d
d | j
| _n | jjtd |d | j| _d S ) Nr| rJ )r# r$ rD rj r[ r" zinvalid-codepointu �zeof-in-script-in-scriptT) r r6 r% r7 r r r rf r r r )r r$ r r r! r s,
z2HTMLTokenizer.scriptDataDoubleEscapedDashDashStatec C sP | j j }|dkr8| jjtd dd d| _| j| _n| j j| | j | _dS )Nri rJ )r# r$ r, T)
r r6 r% r7 r rr scriptDataDoubleEscapeEndStater r= r )r r$ r r r! r 0 s
z6HTMLTokenizer.scriptDataDoubleEscapedLessThanSignStatec C s | j j }|ttdB krR| jjtd |d | jj dkrH| j | _
q| j | _
nB|t kr| jjtd |d | j|7 _n| j j
| | j | _
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r= )r r$ r r r! r ; s
z,HTMLTokenizer.scriptDataDoubleEscapeEndStatec C s0 | j j }|tkr$| j jtd n|tkrJ| jd j|dg | j| _n|dkr\| j n|dkrn| j
| _n|dkr| j jt d
d d | jd j|dg | j| _n|d
kr| j jt d
dd | jd jddg | j| _nF|t
kr| j jt d
dd | j| _n | jd j|dg | j| _dS )NTr$ r, rj ri '"rH rD r" z#invalid-character-in-attribute-name)r# r$ r[ zinvalid-codepointu �z#expected-attribute-name-but-got-eof)r r rH rD )r r6 r r^ r
r r7 attributeNameStater rZ rq r% r r r )r r$ r r r! rp K s6
z&HTMLTokenizer.beforeAttributeNameStatec C s | j j }d}d}|dkr&| j| _n0|tkr^| jd d d || j jtd 7 < d} n|dkrld}n|tkr~| j| _n|dkr| j | _n|d kr| j
j t d
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dd | j| _n | jd d d |7 < d}|r| jd d d jt| jd d d< xP| jd d d D ]:\}}| jd d d |kr| j
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dd P qW |r| j dS ) NTFrH r$ r r rj ri r[ r" zinvalid-codepoint)r# r$ u �r r rD z#invalid-character-in-attribute-namezeof-in-attribute-namezduplicate-attributerK rK )r r rD rK rK rK rK rK rK )r r6 beforeAttributeValueStater r
r r^ r afterAttributeNameStaterq r% r7 r r r rX r rZ )r r$ ZleavingThisStateZ emitTokenrU _r r r! r i sR
&
z HTMLTokenizer.attributeNameStatec C sF | j j }|tkr$| j jtd n |dkr8| j| _n
|dkrJ| j n|tkrp| jd j |dg | j
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d d d
| jd j d dg | j
| _n|dk r| j j t
d dd
| jd j |dg | j
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d dd
| j| _n | jd j |dg | j
| _dS )NTrH rj r$ r, ri r[ r" zinvalid-codepoint)r# r$ u �r r rD z&invalid-character-after-attribute-namez expected-end-of-tag-but-got-eof)r r rD )r r6 r r^ r r rZ r
r r7 r rq r% r r r )r r$ r r r! r s:
z%HTMLTokenizer.afterAttributeNameStatec C sj | j j }|tkr$| j jtd nB|dkr8| j| _n.|dkrX| j| _| j j| n|dkrl| j| _ n|dkr| j j
t d dd | j n|d kr| j j
t d d
d | j
d d d d
7 < | j| _n|dkr| j j
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d d d |7 < | j| _nL|tkrD| j j
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d d d |7 < | j| _dS )NTr rC r rj r" z.expected-attribute-value-but-got-right-bracket)r# r$ r[ zinvalid-codepointr$ r u �rH rD `z"equals-in-unquoted-attribute-valuez$expected-attribute-value-but-got-eofrK )rH rD r rK rK )r r6 r r^ attributeValueDoubleQuotedStater attributeValueUnQuotedStater= attributeValueSingleQuotedStater% r7 r rZ r r r )r r$ r r r! r s>
z'HTMLTokenizer.beforeAttributeValueStatec C s | j j }|dkr | j| _n|dkr0| jd n|dkrj| jjtd dd | jd d d d 7 < nN|t kr| jjtd d
d | j
| _n&| jd d
d || j j d 7 < d S )Nr rC r[ r" zinvalid-codepoint)r# r$ r$ r u �z#eof-in-attribute-value-double-quoteTrK rK )r rC r[ ) r r6 afterAttributeValueStater rT r% r7 r r r r r^ )r r$ r r r! r s
z-HTMLTokenizer.attributeValueDoubleQuotedStatec C s | j j }|dkr | j| _n|dkr0| jd n|dkrj| jjtd dd | jd d d d 7 < nN|t kr| jjtd d
d | j
| _n&| jd d
d || j j d 7 < d S )Nr rC r[ r" zinvalid-codepoint)r# r$ r$ r u �z#eof-in-attribute-value-single-quoteTrK rK )r rC r[ ) r r6 r r rT r% r7 r r r r r^ )r r$ r r r! r s
z-HTMLTokenizer.attributeValueSingleQuotedStatec C s | j j }|tkr | j| _ n|dkr2| jd n|dkrD| j n|dkr~| jjt d d d
| j
d d d |7 < n|d
kr| jjt d dd
| j
d d d d7 < nV|t kr| jjt d dd
| j | _n.| j
d d d || j j
tdtB 7 < dS )NrC rj r r rH rD r r" z0unexpected-character-in-unquoted-attribute-value)r# r$ r$ r r[ zinvalid-codepointu �z eof-in-attribute-value-no-quotesT)r r rH rD r rK rK rK )rC rj r r rH rD r r[ )r r6 r rp r rT rZ r% r7 r r r r r^ r: )r r$ r r r! r s,
z)HTMLTokenizer.attributeValueUnQuotedStatec C s | j j }|tkr | j| _n|dkr.| j np|dkr@| j| _n^|tkrt| jj t
d dd | j j | | j | _n*| jj t
d dd | j j | | j| _dS )Nrj ri r" z$unexpected-EOF-after-attribute-value)r# r$ z*unexpected-character-after-attribute-valueT)
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z&HTMLTokenizer.afterAttributeValueStatec C s | j j }|dkr&d| jd< | j n^|tkrZ| jjtd dd | j j| | j | _
n*| jjtd dd | j j| | j | _
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z&HTMLTokenizer.selfClosingStartTagStatec C sD | j jd}|jdd}| jjtd |d | j j | j| _dS )Nrj r[ u �Comment)r# r$ T) r r^ replacer% r7 r r6 r r )r r$ r r r! ro F s
z HTMLTokenizer.bogusCommentStatec C s | j j g}|d dkrT|j| j j |d dkrPtd dd| _| j| _dS n|d d krd}x.d&D ]&}|j| j j |d' |krjd}P qjW |rtd dd d dd| _| j| _dS n|d( dkrH| jd k rH| jj j
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z(HTMLTokenizer.markupDeclarationOpenStatec C s | j j }|dkr | j| _n|dkrN| jjtd dd | jd d7 < n|dkr| jjtd d d | jj| j | j| _nP|t kr| jjtd d
d | jj| j | j| _n| jd |7 < | j
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z HTMLTokenizer.commentStartStatec C s | j j }|dkr | j| _n|dkrN| jjtd dd | jd d7 < n|dkr| jjtd d d | jj| j | j| _nT|t kr| jjtd d
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z#HTMLTokenizer.commentStartDashStatec C s | j j }|dkr | j| _n|dkrN| jjtd dd | jd d7 < nT|tkr| jjtd dd | jj| j | j | _n | jd || j j
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zHTMLTokenizer.commentStatec C s | j j }|dkr | j| _n|dkrV| jjtd dd | jd d7 < | j| _nT|t kr| jjtd dd | jj| j | j
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z!HTMLTokenizer.commentEndDashStatec C s, | j j }|dkr*| jj| j | j| _n|dkrd| jjtd dd | jd d7 < | j| _n|dkr| jjtd d d | j | _n|d
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krP| jjtd dd | j j| | j| _nT|t kr| jjtd dd d| j
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| jd < | jj| j | j| _nR|t kr| jjtd d d d
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