/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.quercus.env;
/**
* Represents a PHP number value (double or long).
*/
@SuppressWarnings("serial")
public abstract class NumberValue extends Value {
/**
* Returns true for equality
*/
@Override
public int cmp(Value rValue)
{
if (rValue.isBoolean() || rValue.isNull()) {
boolean lBool = toBoolean();
boolean rBool = rValue.toBoolean();
if (! lBool && rBool)
return -1;
if (lBool && ! rBool)
return 1;
return 0;
}
double l = toDouble();
double r = rValue.toDouble();
if (l == r)
return 0;
else if (l < r)
return -1;
else
return 1;
}
/**
* Compare two numbers.
*/
public static int compareNum(Value lValue, Value rValue)
{
Value lVal = lValue.toValue();
Value rVal = rValue.toValue();
if (lVal instanceof DoubleValue || rVal instanceof DoubleValue) {
double lDouble = lVal.toDouble();
double rDouble = rVal.toDouble();
if (lDouble < rDouble) return -1;
if (lDouble > rDouble) return 1;
return 0;
}
long lLong = lVal.toLong();
long rLong = rVal.toLong();
if (lLong < rLong) return -1;
if (lLong > rLong) return 1;
return 0;
}
/**
* Encodes the value in JSON.
*/
@Override
public void jsonEncode(Env env, StringValue sb)
{
sb.append(toStringValue());
}
}