The Tor Browser / file comparison
comparison: dom/xslt/xpath/txNumberResult.cpp
dom/xslt/xpath/txNumberResult.cpp
- changeset 0
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| -1:000000000000 | 0:163da2d52a60 |
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| 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/. */ | |
| 5 | |
| 6 /** | |
| 7 * NumberResult | |
| 8 * Represents the a number as the result of evaluating an Expr | |
| 9 **/ | |
| 10 | |
| 11 #include "mozilla/FloatingPoint.h" | |
| 12 | |
| 13 #include "txExprResult.h" | |
| 14 | |
| 15 /** | |
| 16 * Default Constructor | |
| 17 **/ | |
| 18 | |
| 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 | |
| 27 | |
| 28 /* | |
| 29 * Virtual Methods from ExprResult | |
| 30 */ | |
| 31 | |
| 32 short NumberResult::getResultType() { | |
| 33 return txAExprResult::NUMBER; | |
| 34 } //-- getResultType | |
| 35 | |
| 36 void | |
| 37 NumberResult::stringValue(nsString& aResult) | |
| 38 { | |
| 39 txDouble::toString(value, aResult); | |
| 40 } | |
| 41 | |
| 42 const nsString* | |
| 43 NumberResult::stringValuePointer() | |
| 44 { | |
| 45 return nullptr; | |
| 46 } | |
| 47 | |
| 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 | |
| 55 | |
| 56 double NumberResult::numberValue() { | |
| 57 return this->value; | |
| 58 } //-- numberValue | |
| 59 |
