com.japisoft.xpath.function.basic
Class StringLength

java.lang.Object
  |
  +--com.japisoft.xpath.function.AbstractFunction
        |
        +--com.japisoft.xpath.function.basic.StringLength
All Implemented Interfaces:
Function

public final class StringLength
extends AbstractFunction

returns the number of characters in the string (see [3.6 Strings]). 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

Author:
(c) 2003 JAPISOFT

Constructor Summary
StringLength()
           
 
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
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

StringLength

public StringLength()
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