1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/xslt/xpath/txNumberResult.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,59 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/**
1.10 + * NumberResult
1.11 + * Represents the a number as the result of evaluating an Expr
1.12 +**/
1.13 +
1.14 +#include "mozilla/FloatingPoint.h"
1.15 +
1.16 +#include "txExprResult.h"
1.17 +
1.18 +/**
1.19 + * Default Constructor
1.20 +**/
1.21 +
1.22 +/**
1.23 + * Creates a new NumberResult with the value of the given double parameter
1.24 + * @param dbl the double to use for initialization of this NumberResult's value
1.25 +**/
1.26 +NumberResult::NumberResult(double aValue, txResultRecycler* aRecycler)
1.27 + : txAExprResult(aRecycler), value(aValue)
1.28 +{
1.29 +} //-- NumberResult
1.30 +
1.31 +/*
1.32 + * Virtual Methods from ExprResult
1.33 +*/
1.34 +
1.35 +short NumberResult::getResultType() {
1.36 + return txAExprResult::NUMBER;
1.37 +} //-- getResultType
1.38 +
1.39 +void
1.40 +NumberResult::stringValue(nsString& aResult)
1.41 +{
1.42 + txDouble::toString(value, aResult);
1.43 +}
1.44 +
1.45 +const nsString*
1.46 +NumberResult::stringValuePointer()
1.47 +{
1.48 + return nullptr;
1.49 +}
1.50 +
1.51 +bool NumberResult::booleanValue() {
1.52 + // OG+
1.53 + // As per the XPath spec, the boolean value of a number is true if and only if
1.54 + // it is neither positive 0 nor negative 0 nor NaN
1.55 + return (bool)(value != 0.0 && !mozilla::IsNaN(value));
1.56 + // OG-
1.57 +} //-- booleanValue
1.58 +
1.59 +double NumberResult::numberValue() {
1.60 + return this->value;
1.61 +} //-- numberValue
1.62 +
