mirror of
https://github.com/rn10950/RetroZilla.git
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89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
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/* -*- 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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/**
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* NumberResult
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* Represents the a number as the result of evaluating an Expr
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**/
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#include "ExprResult.h"
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/**
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* Default Constructor
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**/
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/**
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* Creates a new NumberResult with the value of the given double parameter
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* @param dbl the double to use for initialization of this NumberResult's value
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**/
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NumberResult::NumberResult(double aValue, txResultRecycler* aRecycler)
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: txAExprResult(aRecycler), value(aValue)
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{
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} //-- NumberResult
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/*
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* Virtual Methods from ExprResult
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*/
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short NumberResult::getResultType() {
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return txAExprResult::NUMBER;
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} //-- getResultType
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void NumberResult::stringValue(nsAString& str) {
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Double::toString(value, str);
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} //-- stringValue
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nsAString*
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NumberResult::stringValuePointer()
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{
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return nsnull;
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}
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MBool NumberResult::booleanValue() {
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// OG+
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// As per the XPath spec, the boolean value of a number is true if and only if
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// it is neither positive 0 nor negative 0 nor NaN
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return (MBool)(value != 0.0 && !Double::isNaN(value));
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// OG-
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} //-- booleanValue
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double NumberResult::numberValue() {
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return this->value;
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} //-- numberValue
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