com.x5.template.filters

Class Calc

java.lang.Object

com.x5.template.filters.Calc

public class Calc
extends java.lang.Object

Calc supports an experimental tag filter and template function that allows for arbitrary math to be performed at direct request of the template. Examples: {$width|calc(*2)} {^calc("sqrt($x^2 + $y^2)",$width,$height)} {!-- hypotenuse --} {^calc("sin(pi/4)")|sprintf(%.02f)} {!-- sqrt(2)/2 I think? --}

Constructor Summary

Constructors

Constructor and Description
Calc()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	evalCalc(java.lang.String calc, java.util.Map<java.lang.String,java.lang.Object> vars)
static java.lang.String	evalExpression(java.lang.String expr, java.lang.String fmt, java.lang.String[] varNames, java.lang.String[] varValues)

Methods inherited from class java.lang.Object

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

Constructor Detail

Calc

public Calc()

Method Detail

evalCalc

public static java.lang.String evalCalc(java.lang.String calc,
                                        java.util.Map<java.lang.String,java.lang.Object> vars)

evalExpression

public static java.lang.String evalExpression(java.lang.String expr,
                                              java.lang.String fmt,
                                              java.lang.String[] varNames,
                                              java.lang.String[] varValues)