org.apache.fop.fo.expr

Class FromTableColumnFunction

java.lang.Object

org.apache.fop.fo.expr.FunctionBase

org.apache.fop.fo.expr.FromTableColumnFunction

All Implemented Interfaces:

Function

public class FromTableColumnFunction
extends FunctionBase

Class modelling the from-table-column Property Value function. See Sec. 5.10.4 of the XSL-FO spec.

Constructor Summary

Constructors

Constructor and Description
FromTableColumnFunction()

Method Summary

Methods

Modifier and Type	Method and Description
Property	eval(Property[] args, PropertyInfo pInfo) Evaluate the function
int	nbArgs()
boolean	padArgsWithPropertyName()

Methods inherited from class org.apache.fop.fo.expr.FunctionBase

getPercentBase

Methods inherited from class java.lang.Object

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

Constructor Detail

FromTableColumnFunction

public FromTableColumnFunction()

Method Detail

nbArgs

public int nbArgs()

Returns:

1 (maximum arguments for the from-table-column function)

padArgsWithPropertyName

public boolean padArgsWithPropertyName()

Specified by:

padArgsWithPropertyName in interface Function

Overrides:

padArgsWithPropertyName in class FunctionBase

Returns:

true (allow padding of arglist with property name)

eval

public Property eval(Property[] args,
            PropertyInfo pInfo)
              throws PropertyException

Description copied from interface: Function

Evaluate the function

Parameters:

args - array of arguments, which should either be empty, or the first of which should contain an NCName corresponding to a property name

pInfo - PropertyInfo object to be evaluated

Returns:

the Property corresponding to the property name specified, or, if none, for the property for which the expression is being evaluated

Throws:

PropertyException - for incorrect arguments, and (for now) in all cases, because this function is not implemented