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d k l Z d k l Z d k l
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l Z d k l Z d k l Z d
k l Z d k l Z d k Z d e i f d
„ ƒ YZ d f d „ ƒ YZ d e f d „ ƒ YZ d f d „ ƒ YZ d „ Z d f d „ ƒ YZ d e f d „ ƒ YZ d e f d „ ƒ YZ d e f d „ ƒ YZ d e f d „ ƒ YZ d f d „ ƒ YZ d! f d" „ ƒ YZ d# f d$ „ ƒ YZ! d% f d& „ ƒ YZ" d' f d( „ ƒ YZ# e i$ e i% e i& g Z' d) f d* „ ƒ YZ( d+ f d, „ ƒ YZ) d- f d. „ ƒ YZ* d/ k l+ Z+ l, Z, d0 f d1 „ ƒ YZ- d2 f d3 „ ƒ YZ. d S(4 s
The implementation of all of the expression pared tokens.
WWW: http://4suite.org/XPATH e-mail: support@4suite.org
Copyright (c) 2000-2001 Fourthought Inc, USA. All Rights Reserved.
See http://4suite.org/COPYRIGHT for license and copyright information
N( s EMPTY_NAMESPACE( s
SplitQName( s CompiletimeExceptions RuntimeException( s g_extFunctions( s ParsedNodeTest( s
CoreFunctionss Conversions( s Util( s
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( R ( ( R t __str__8 s c C s d | i d S( NR ( R R ( R ( ( R R ; s ( R R
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t ParsedNLiteralExprc B s/ t Z d „ Z d d „ Z d „ Z d „ Z RS( Nc C s, t i | d ƒ | | _ t | ƒ | _ d S( NR ( R R R t nliteralt _nliteralt floatR ( R R ( ( R R @ s R c C s | t | ƒ GHd S( N( R R R ( R R ( ( R R E s c C s d t | ƒ t | ƒ f S( Ns <Number at %x: %s>( R R R
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R R R R ( ( ( R R ? s t ParsedVariableReferenceExprc B s8 t Z d „ Z d „ Z d d „ Z d „ Z d „ Z RS( Nc C s | | _ t | d ƒ | _ d S( Ni ( t nameR t _namet
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o" t t i t | ƒ d ƒ ‚ n X| S( NR ( R RK R R RL RM RN RO t arg2R: R$ R% R& R' R( R) R* R+ R, R- R> R? R= R@ RA RB R (
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R R ( ( ( R R7 õ s t ParsedUnionExprc B s8 t Z d „ Z d d „ Z d „ Z d „ Z d „ Z RS( Nc C s | | _ | | _ d S( N( t leftR t _leftt rightt _right( R RW RY ( ( R R s R c C s; | t | ƒ GH| i i | d ƒ | i i | d ƒ d S( Ns ( R R R RX R RZ ( R R ( ( R R s c C s | i i | ƒ } t | ƒ t g ƒ j o
d ‚ n | i i | ƒ } t | ƒ t g ƒ j o
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R c C s; | t | ƒ GH| i i | d ƒ | i i | d ƒ d S( Ns ( R R R RX R RZ ( R R ( ( R R 8 s c C s~ | i i | ƒ } t | ƒ t g ƒ j o d t | i ƒ ‚ n | i ƒ } | i o{ g } t | ƒ } x\ t
| ƒ D]N } | | } | i | | d | f ƒ | i i | ƒ } t i | | ƒ } qw W| } n g } t | ƒ } x… t
| ƒ D]w } | | } | i | | d | f ƒ | i i | ƒ } t | ƒ t g ƒ j o t d ƒ ‚ n t i | | ƒ } qò W| i | ƒ | S( sX Evaluate the left, then if op =// the parsedStep, then the right, push context each times$ Invalid Expression for a PathExpr %si s0 Right Expression does not evaluate to a Node SetN( R RX R R t rtR\ R t copyNodePosSizet origStateRn t resR t lt ranget ctrt rt setNodePosSizet selectt subRtR^ R_ RZ R< ( R R Ro Ru Rr Rs Ry Rv Rq ( ( R R = s8
c C s d t | ƒ t | ƒ f S( Ns <PathExpr at %x: %s>( R R R
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RX RZ ( R R{ ( ( R R _ s ( R R
R R R R R ( ( ( R Rc + s
t ParsedFilterExprc B sA t Z d „ Z d „ Z d d „ Z d „ Z d „ Z d „ Z RS( Nc C s | | _ | | _ d S( N( t filterR t _filtert
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d ‚ n | o | i i | | d d ƒ} n | S( s€
evaluate(context) -> node-set
Evaluate our filter into a node set, filter that through the predicates.
s9 ParsedFilterExpr: return value must evalute to a node-sett reversei N( R R~ R R t node_setR\ R€ R} ( R R R‚ ( ( R R i s
R c C s; | t | ƒ GH| i i | d ƒ | i i | d ƒ d S( Ns ( R R R R~ R R€ ( R R ( ( R R u s c C s
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R R R R… R R ( ( ( R R| d s t ParsedOrExprc B s8 t Z d „ Z d d „ Z d „ Z d „ Z d „ Z RS( Nc C s | | _ | | _ d S( N( RW R RX RY RZ ( R RW RY ( ( R R ‡ s R c C s; | t | ƒ GH| i i | d ƒ | i i | d ƒ d S( Ns ( R R R RX R RZ ( R R ( ( R R ‹ s c C s9 t i | i | ƒ } | p t i | i | ƒ } n | S( N( t Conversionst BooleanEvaluateR RX R Ro RZ ( R R Ro ( ( R R s c C s d t | ƒ t | ƒ f S( Ns <OrExpr at %x: %s>( R R R
( R ( ( R R – s c C s t | i ƒ d t | i ƒ S( Ns or ( R
R RX RZ ( R ( ( R R ™ s ( R R
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R R R R ( ( ( R R‰ s t ParsedEqualityExprc B s8 t Z d „ Z d „ Z d d „ Z d „ Z d „ Z RS( Nc C s | | _ | | _ | | _ d S( N( R{ R t _opRW RX RY RZ ( R R{ RW RY ( ( R R ± s c C s™ | i d j o t i } t i } n t i } t i } | i i | ƒ } | i i | ƒ }
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right_currR‡ t StringValuet left_currR Rƒ R` t valt NumberTypest NumberValuet
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7 t ParsedRelationalExprc B s8 t Z d „ Z d „ Z d d „ Z d „ Z d „ Z RS( Nc C s¡ | | _ t | t ƒ o( t i | i d ƒ ƒ | _
d | _ n | | _
d | _ t | t ƒ o( t i | i d ƒ ƒ | _
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d | _ d S( Ni i ( t opcodeR R‹ t
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d } nO | i d j o
d } n5 | i d j o
d } n | i d j o
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| i } n" | i i | ƒ } t i | ƒ } | | | i S( s returns a numberN( R R£ RX R R R R‡ R› R¤ RZ R‘ R¨ ( R R R‘ R ( ( R R Q s
c C s d t | ƒ t | ƒ f S( Ns <AdditiveExpr at %x: %s>( R R R
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d j o | | } nk | i
d j o% | d j o
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d j o% | d j o
t } qÐ | | } n | S( s returns a numberi i i N( R RX R R R R‡ R› RZ R‘ Rr R‹ t NaN( R R Rr R R‘ ( ( R R r s"
c C s d t | ƒ t | ƒ f S( Ns <MultiplicativeExpr at %x: %s>( R R R
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d } n5 | i d j o
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d } n t | i ƒ | t | i ƒ S( Ni s * i s div i s mod ( R R‹ R{ R
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| | _ d S( N( t expR t _exp( R R¬ ( ( R R ” s c C s/ | i i | ƒ } t i | ƒ } | d } | S( s returns a numberf-1.0N( R R R R R¬ R‡ R› Ro ( R R Ro R¬ ( ( R R — s
c C s d t | ƒ t | ƒ f S( Ns <UnaryExpr at %x: %s>( R R R
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