org.basex.query.expr

Class CNSpace

java.lang.Object

org.basex.data.ExprInfo

org.basex.query.expr.Expr

org.basex.query.expr.ParseExpr

org.basex.query.expr.Arr

org.basex.query.expr.CFrag

org.basex.query.expr.CName

org.basex.query.expr.CNSpace

public final class CNSpace
extends CName

Namespace constructor.

Author:

BaseX Team 2005-12, BSD License, Christian Gruen

Nested Class Summary

Nested classes/interfaces inherited from class org.basex.query.expr.Expr

Expr.Use

Field Summary

Fields inherited from class org.basex.query.expr.Arr

expr

Fields inherited from class org.basex.query.expr.ParseExpr

input, size, type

Constructor Summary

Constructors

Constructor and Description
CNSpace(InputInfo ii, Expr n, Expr v) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
FNames	item(QueryContext ctx, InputInfo ii) Evaluates the expression and returns the resulting item or a null reference, if the expression yields an empty sequence.

Methods inherited from class org.basex.query.expr.CName

comp, count, description, plan, remove, toString, uses

Methods inherited from class org.basex.query.expr.CFrag

toString

Methods inherited from class org.basex.query.expr.Arr

allAreValues, indexEquivalent, removable

Methods inherited from class org.basex.query.expr.ParseExpr

checkBln, checkColl, checkCreate, checkCtx, checkDbl, checkDBNode, checkEStr, checkEStr, checkIO, checkItem, checkItr, checkItr, checkMap, checkNode, checkNoEmpty, checkStr, checkType, checkUp, checkUp, checkWrite, compBln, ebv, iter, optPre, preEval, size, test, type, value

Methods inherited from class org.basex.query.expr.Expr

addText, compEbv, hasFreeVars, indexAccessible, isEmpty, isFunction, isItem, isVacuous, isValue, iterable, markTailCalls, sameAs

Methods inherited from class org.basex.data.ExprInfo

info

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

CNSpace

public CNSpace(InputInfo ii,
       Expr n,
       Expr v)

Constructor.

Parameters:

ii - input info

n - name

v - attribute values

Method Detail

item

public FNames item(QueryContext ctx,
          InputInfo ii)
            throws QueryException

Description copied from class: Expr

Evaluates the expression and returns the resulting item or a null reference, if the expression yields an empty sequence. If this method is not overwritten, Expr.iter(org.basex.query.QueryContext) must be implemented by an expression, as it may be called by this method.

Specified by:

item in class CFrag

Parameters:

ctx - query context

ii - input info

Returns:

iterator

Throws:

QueryException - query exception