o
.j|E @ s d Z ddlZddlZddgZedZedZedZedZed Z ed
Z
ed Z ed Z ed
Z
edZedZG dd deZG dd dejZG dd deZdddZedkrle dS dS )z;A parser for SGML, using the derived class as a static DTD. N
SGMLParserSGMLParseErrorz[&<]zN&([a-zA-Z][a-zA-Z0-9]*|#[0-9]*)?|<([a-zA-Z][^<>]*|/([a-zA-Z][^<>]*)?|![^<>]*)?z%&([a-zA-Z][-.a-zA-Z0-9]*)[^a-zA-Z0-9]z&#([0-9]+)[^0-9]z
<[>a-zA-Z]z<[a-zA-Z][-.a-zA-Z0-9]*/z"<([a-zA-Z][-.a-zA-Z0-9]*)/([^/]*)/>z[<>]z[a-zA-Z][-_.a-zA-Z0-9]*ze\s*([a-zA-Z_][-:.a-zA-Z_0-9]*)(\s*=\s*(\'[^\']*\'|"[^"]*"|[][\-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~\'"@]*))?c @ s e Zd ZdZdS )r z&Exception raised for all parse errors.N)__name__
__module__ __qualname____doc__ r r d? Z"d@dA Z#dBdC Z$dDdE Z%dFdG Z&dHdI Z'dJS )Lr z+&(?:([a-zA-Z][-.a-zA-Z0-9]*)|#([0-9]+))(;?)r c C s || _ | dS )z#Initialize and reset this instance.N)verboseresetselfr r r r
__init__< s zSGMLParser.__init__c C s4 d| _ d| _g | _d| _d| _d| _tj| dS )z0Reset this instance. Loses all unprocessed data.N z???r ) _SGMLParser__starttag_textrawdatastacklasttag
nomoretagsliteral _markupbase
ParserBaser r r r r
r A s zSGMLParser.resetc C s d | _ | _dS )zYEnter literal mode (CDATA) till EOF.
Intended for derived classes only.
N)r r r r r r
setnomoretagsK s zSGMLParser.setnomoretagsc G s
d| _ dS )zPEnter literal mode (CDATA).
Intended for derived classes only.
r N)r )r argsr r r
setliteralR s
zSGMLParser.setliteralc C s | j | | _ | d dS )zFeed some data to the parser.
Call this as often as you want, with as little or as much text
as you want (may include '
'). (This just saves the text,
all the processing is done by goahead().)
r N)r goaheadr datar r r
feedY s zSGMLParser.feedc C s | d dS )zHandle the remaining data.r N)r r r r r
closed s zSGMLParser.closec C s t |N)r )r messager r r
errorh zSGMLParser.errorc C s
| j }d}t|}||k ri| jr | ||| |}nKt||}|r+| }n|}||k r:| ||| |}||krBn'|| dkrt||rk| j r]| || |d }q |
|}|dk rhn|}q | d|r| |}|dk r{n|}d| _ q | j r||d kr| d |d }nnq | d|r|
|}|dk rn|}q | d|r| |}|dk rn|| }q | d|r| |}|dk rn|}q nh|| dkr5| j r| || |d }q t||}|r|d}| | |d}||d d kr
|d }q t||}|r4|d}| | |d}||d d kr3|d }q n| d
t||}|sO| || |d }q |d}||krZn| ||| |}||k s|r|||k r|| ||| |}||d | _ d S ) Nr z!unexpected call to parse_starttag '"r )r r shorttagopenr1 shorttagr9 lowerr; finish_shorttag
endbracketr. r/ r tagfindr% attrfindentity_or_charrefsub _convert_refappendfinish_starttag)
r r? start_posr r1 tagr rB rA attrsattrnamerest attrvaluer r r
r2 s`
&(
zSGMLParser.parse_starttagc C sd | dr| | dpd| dd S | dr+| | dp*d| d S d| d S )NrE z&#%s%sr rJ z&%s;z&%s)r9 convert_charrefgroupsconvert_entityref)r r1 r r r
rV & s
zSGMLParser._convert_refc C sb | j }t||d }|sdS |d}||d | }|| dkr*|d }| | |S )Nr rF r rE r )r rQ r. r/ striprO
finish_endtag)r r? r r1 rA rZ r r r
r4 1 s
zSGMLParser.parse_endtagc C s$ | |g | | | | d S r# )rX r, rc )r rZ r r r r
rP > s
zSGMLParser.finish_shorttagc C s z t | d| }W n, ty5 z t | d| }W n ty* | || Y Y dS w | ||| Y dS w | j| | ||| dS )Nstart_do_rF r r )getattrAttributeErrorunknown_starttaghandle_starttagr rW )r rZ r[ methodr r r
rX E s
zSGMLParser.finish_starttagc C s |st | jd }|dk r| | d S n:|| jvr:z t| d| }W n ty2 | | Y d S w | | d S t | j}t|D ] }| j| |krN|}qCt | j|kr| jd }z t| d| }W n tyo d }Y nw |ry| || n| | | jd= t | j|ksVd S d S )Nr r end_rF )r+ r unknown_endtagrf rg report_unbalancedrange
handle_endtag)r rZ foundrj r? r r r
rc W s>
zSGMLParser.finish_endtagc C s || d S r# r )r rZ rj r[ r r r
ri v s zSGMLParser.handle_starttagc C s
| d S r# r )r rZ rj r r r
ro z s
zSGMLParser.handle_endtagc C s* | j rtd| d td| j d S d S )Nz*** Unbalanced
c @ s^ e Zd ZdddZdd Zdd Zdd Zd
d Zd d
Zdd Z dd Z
dd Z dd Z dS )TestSGMLParserr c C s d| _ t| | d S )Nr )testdatar r r
r r r
r s zTestSGMLParser.__init__c C s. | j | | _ tt| j dkr| d S d S )NF )r r+ reprflushr r r r
r, s zTestSGMLParser.handle_datac C s& | j }|rd| _ tdt| d S d S )Nr zdata:)r rq r r r r r
r s
zTestSGMLParser.flushc C sF | t|}t|dkr |d d d |dd }td| d S )ND z...izcomment:)r r r+ rq )r r rr r r
r s
z TestSGMLParser.handle_commentc C sf | |std| d d S td| dd |D ]\}}t|d d | d dd qtd d S )Nz start tag: r< r8 r0 rM rN rG rQ rR rS RuntimeErrorr r r r r r r r r r
s6
7$