The Tor Browser: dom/xslt/xpath/txNumberResult.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /**

     7  * NumberResult

     8  * Represents the a number as the result of evaluating an Expr

     9 **/

    11 #include "mozilla/FloatingPoint.h"

    13 #include "txExprResult.h"

    15 /**

    16  * Default Constructor

    17 **/

    19 /**

    20  * Creates a new NumberResult with the value of the given double parameter

    21  * @param dbl the double to use for initialization of this NumberResult's value

    22 **/

    23 NumberResult::NumberResult(double aValue, txResultRecycler* aRecycler)

    24     : txAExprResult(aRecycler), value(aValue)

    25 {

    26 } //-- NumberResult

    28 /*

    29  * Virtual Methods from ExprResult

    30 */

    32 short NumberResult::getResultType() {

    33     return txAExprResult::NUMBER;

    34 } //-- getResultType

    36 void

    37 NumberResult::stringValue(nsString& aResult)

    38 {

    39     txDouble::toString(value, aResult);

    40 }

    42 const nsString*

    43 NumberResult::stringValuePointer()

    44 {

    45     return nullptr;

    46 }

    48 bool NumberResult::booleanValue() {

    49   // OG+

    50   // As per the XPath spec, the boolean value of a number is true if and only if

    51   // it is neither positive 0 nor negative 0 nor NaN

    52   return (bool)(value != 0.0 && !mozilla::IsNaN(value));

    53   // OG-

    54 } //-- booleanValue

    56 double NumberResult::numberValue() {

    57     return this->value;

    58 } //-- numberValue

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