3
2a& @ s d dl Z e jdZd ddZdd Zdd Zd d
Zd d Zd
d Zdd Z dd Z
eeee ee
dZ i Z G dd dZ
d ddZd ddZd!ddZd"d d ZdS )# Nz\('[^']*'|\"[^\"]*\"|::|//?|\.\.|\(\)|[/.*:\[\]\(\)@=])|((?:\{[^}]+\})?[^/\[\]\(\)@=\s]+)|\s+c c s xt j| D ]}|d }|r|d dkrd|kry6|jdd\}}|sJt|d d|| |f fV W q tk
r td| Y qX q |V q W d S )N r {:z{%s}%sz!prefix %r not found in prefix map)xpath_tokenizer_refindallsplitKeyError SyntaxError)pattern
namespacestokentagprefixZuri r 0/opt/alt/python36/lib64/python3.6/ElementPath.pyxpath_tokenizerI s r c C sF | j }|d krBi | _ }x(| jj D ]}x|D ] }|||< q.W q$W |S )N)
parent_maprootiter)contextr per r r get_parent_mapW s
r c s |d fdd}|S )Nr c 3 s0 x*|D ]"}x |D ]}|j kr|V qW qW d S )N)r
)r resultelemr )r
r r selectb s
z prepare_child..selectr )nextr r r )r
r
prepare_child` s r c C s dd }|S )Nc s s x|D ]}|E d H qW d S )Nr )r r r r r r r j s
z prepare_star..selectr )r r r r r r prepare_stari s r c C s dd }|S )Nc s s |E d H d S )Nr )r r r r r r p s z prepare_self..selectr )r r r r r r prepare_selfo s r c s\ y
| }W n t k
r d S X |d dkr2d n|d sD|d ntd fdd}|S )Nr *r zinvalid descendantc 3 s4 x.|D ]&}x |j D ]}||k r|V qW qW d S )N)r )r r r r )r
r r r s
z"prepare_descendant..select)
StopIterationr )r r r r )r
r prepare_descendantt s
r" c C s dd }|S )Nc s sD t | }i }x2|D ]*}||kr|| }||krd ||< |V qW d S )N)r )r r r Z
result_mapr parentr r r r s
z prepare_parent..selectr )r r r r r r prepare_parent s
r$ c s* g }g }xy
| }W n t k
r( d S X |d dkr8P |d rh|d d d dkrhd|d dd f}|j|d pvd |j|d q
W dj|}|dkr|d fd d
}|S |d kr|d |d fd d
}|S |dkrtjd
|d r|d fdd
}|S |dkrVtjd
|d rV|d |d fdd
}|S |dkst|dkst|dkr |dkrt|d d dk rtdnl|d dkrtd|dkr
yt|d d W n tk
r tdY nX d krtdnd fdd
}|S tdd S ) Nr ]r z'"'- z@-c 3 s& x |D ]}|j d k r|V qW d S )N)get)r r r )keyr r r s
z!prepare_predicate..selectz@-='c 3 s& x |D ]}|j kr|V qW d S )N)r) )r r r )r* valuer r r s
z\-?\d+$c 3 s& x |D ]}|j d k r|V qW d S )N)find)r r r )r
r r r s
z-='c 3 s@ x:|D ]2}x,|j D ] }dj|j kr|V P qW qW d S )Nr( )r joinZitertext)r r r r )r
r+ r r r s
z-()z-()-z XPath position >= 1 expectedZlastzunsupported function zunsupported expressionz)XPath offset from last() must be negativec
3 sb t | }xT|D ]L}y.|| }t|j|j}| |kr>|V W q ttfk
rX Y qX qW d S )N)r listr r
IndexErrorr )r r r r r# Zelems)indexr r r s
zinvalid predicater2 r2 r2 )r! appendr- rematchintr
ValueError)r r Z signature predicater r )r1 r* r
r+ r prepare_predicate sd
r: )r( r .z..z//[c @ s e Zd ZdZdd ZdS )_SelectorContextNc C s
|| _ d S )N)r )selfr r r r __init__ s z_SelectorContext.__init__)__name__
__module__ __qualname__r r? r r r r r= s r= c
! C sh ||d krd nt t|j f}|dd dkr8|d }y t| }W n tk
r: ttdkrjtj |d d dkrtdtt ||j
}y
| }W n t k
r d S X g }xvy |j t
|d || W n t k
r tdY nX y | }|d dkr| }W q t k
r( P Y qX qW |t|< Y nX | g}t| }x|D ]} | ||}qPW |S ) Nr /r d z#cannot use absolute path on elementr z invalid pathr2 )tuplesorteditems_cacher lenclearr r r __next__r! r4 opsr= )
r pathr Z cache_keyZselectorr r r r r r r r iterfind sD
rN c C s t t| ||d S )N)r rN )r rM r r r r r, ) s r, c C s t t| ||S )N)r/ rN )r rM r r r r r / s r c C s4 yt t| ||} | jpdS tk
r. |S X d S )Nr( )r rN textr! )r rM defaultr r r r findtext5 s
rQ )N)N)N)N)NN)r5 compiler r r r r r r" r$ r: rL rH r= rN r, r rQ r r r r ; s,
Y
)