mirror of
https://github.com/rn10950/RetroZilla.git
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111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is TransforMiiX XSLT processor code.
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*
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* The Initial Developer of the Original Code is
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* The MITRE Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Keith Visco <kvisco@ziplink.net> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef __txCore_h__
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#define __txCore_h__
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#include "nscore.h"
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#include "nsDebug.h"
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#include "prtypes.h"
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class nsAString;
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class txObject
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{
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public:
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/**
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* Deletes this txObject
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*/
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virtual ~txObject()
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{
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};
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};
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/**
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* Utility class for doubles
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*/
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class txDouble
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{
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public:
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/**
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* Useful constants
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*/
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static const double NaN;
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static const double POSITIVE_INFINITY;
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static const double NEGATIVE_INFINITY;
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/**
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* Determines whether the given double represents positive or negative
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* inifinity.
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*/
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static PRBool isInfinite(double aDbl);
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/**
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* Determines whether the given double is NaN.
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*/
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static PRBool isNaN(double aDbl);
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/**
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* Determines whether the given double is negative.
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*/
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static PRBool isNeg(double aDbl);
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/**
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* Converts the value of the given double to a string, and appends
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* the result to the destination string.
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*/
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static void toString(double aValue, nsAString& aDest);
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/**
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* Converts the given String to a double, if the string value does not
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* represent a double, NaN will be returned.
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*/
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static double toDouble(const nsAString& aStr);
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};
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// XXX These should go away eventually.
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#define TxObject txObject
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typedef txDouble Double;
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typedef PRBool MBool;
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#define MB_TRUE PR_TRUE
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#define MB_FALSE PR_FALSE
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// XXX
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#endif
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