com.japisoft.xpath.function.basic
Class NormalizeSpace

java.lang.Object
  |
  +--com.japisoft.xpath.function.AbstractFunction
        |
        +--com.japisoft.xpath.function.basic.NormalizeSpace

All Implemented Interfaces:

Function

public final class NormalizeSpace

extends AbstractFunction

function returns the argument string with whitespace normalized by stripping leading and trailing whitespace and replacing sequences of whitespace characters by a single space. Whitespace characters are the same as those allowed by the S production in XML. If the argument is omitted, it defaults to the context node converted to a string, in other words the string-value of the context node

Version:

1.0

Author:

(c) 2003 JAPISOFT

Constructor Summary

NormalizeSpace()

Method Summary

java.lang.Object

eval(XPathContext context, FastVector arg) Evalute this function for this context and the following arguments

Methods inherited from class com.japisoft.xpath.function.AbstractFunction

checkOneNodeSet, checkOneNumber, checkOneParameter, checkOneString, checkThreeStrings, checkTwoStrings, getString1, getString2, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

NormalizeSpace

public NormalizeSpace()

Method Detail

eval

public java.lang.Object eval(XPathContext context,
                             FastVector arg)

Description copied from class: AbstractFunction

Evalute this function for this context and the following arguments

Specified by:

eval in interface Function

Specified by:

eval in class AbstractFunction

Parameters:

arg - a Vector value, this is the responsability of the function to test the argument type

Returns:

an Object value like Integer, Boolean, String or NodeSet