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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is TransforMiiX XSLT processor code.
*
* The Initial Developer of the Original Code is
* The MITRE Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Keith Visco <kvisco@ziplink.net> (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef __txCore_h__
#define __txCore_h__
#include "nscore.h"
#include "nsDebug.h"
#include "prtypes.h"
class nsAString;
class txObject
{
public:
/**
* Deletes this txObject
**/
virtual ~txObject()
{
};
};
/**
* Utility class for doubles
*/
class txDouble
{
public:
/**
* Useful constants
*/
static const double NaN;
static const double POSITIVE_INFINITY;
static const double NEGATIVE_INFINITY;
/**
* Determines whether the given double represents positive or negative.
* inifinity
*/
static PRBool isInfinite(double aDbl);
/**
* Determines whether the given double is NaN.
*/
static PRBool isNaN(double aDbl);
/**
* Determines whether the given double is negative.
*/
static PRBool isNeg(double aDbl);
/**
* Converts the value of the given double to a string, and appends
* the result to the destination string.
*/
static void toString(double aValue, nsAString& aDest);
/**
* Converts the given String to a double, if the string value does not
* represent a double, NaN will be returned
*/
static double toDouble(const nsAString& aStr);
};
// XXX These should go away eventually.
#define TxObject txObject
typedef txDouble Double;
typedef PRBool MBool;
#define MB_TRUE PR_TRUE
#define MB_FALSE PR_FALSE
// XXX
#endif