org.basex.query.expr
Class CText

java.lang.Object
  extended by org.basex.query.ExprInfo
      extended by org.basex.query.expr.Expr
          extended by org.basex.query.expr.Arr
              extended by org.basex.query.expr.CFrag
                  extended by org.basex.query.expr.CText

public final class CText
extends CFrag

Text fragment.

Author:
Workgroup DBIS, University of Konstanz 2005-09, ISC License, Christian Gruen

Field Summary
 
Fields inherited from class org.basex.query.expr.Arr
expr
 
Constructor Summary
CText(Expr t)
          Constructor.
 
Method Summary
static void add(TokenBuilder tb, Iter iter)
          Adds a single item to the token builder.
 Item atomic(QueryContext ctx)
          Evaluates the expression and returns the resulting item or a null reference.
 java.lang.String info()
          Returns a string description of the expression.
 java.lang.String toString()
           
 
Methods inherited from class org.basex.query.expr.CFrag
returned, uses
 
Methods inherited from class org.basex.query.expr.Arr
comp, duplicates, indexEquivalent, plan, removable, remove
 
Methods inherited from class org.basex.query.expr.Expr
addText, checkCtx, checkDbl, checkItr, e, ebv, i, indexAccessible, iter, sameAs, size, test
 
Methods inherited from class org.basex.query.ExprInfo
color, name
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

CText

public CText(Expr t)
Constructor.

Parameters:
t - text
Method Detail

atomic

public Item atomic(QueryContext ctx)
            throws QueryException
Description copied from class: Expr
Evaluates the expression and returns the resulting item or a null reference. If this method is not overwritten, Expr.iter(org.basex.query.QueryContext) must be implemented.

Overrides:
atomic in class Expr
Parameters:
ctx - query context
Returns:
iterator
Throws:
QueryException - query exception

add

public static void add(TokenBuilder tb,
                       Iter iter)
                throws QueryException
Adds a single item to the token builder.

Parameters:
tb - token builder
iter - iterator
Throws:
QueryException - query exception

info

public java.lang.String info()
Description copied from class: ExprInfo
Returns a string description of the expression. Contrary to the ExprInfo.toString() method, the current expressions aren't included in the output.

Overrides:
info in class ExprInfo
Returns:
result of check

toString

public java.lang.String toString()
Specified by:
toString in class ExprInfo