dom/xslt/xpath/txNumberResult.cpp@6474c204b198 (annotated)
dom/xslt/xpath/txNumberResult.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /** |
| michael@0 | 7 | * NumberResult |
| michael@0 | 8 | * Represents the a number as the result of evaluating an Expr |
| michael@0 | 9 | **/ |
| michael@0 | 10 | |
| michael@0 | 11 | #include "mozilla/FloatingPoint.h" |
| michael@0 | 12 | |
| michael@0 | 13 | #include "txExprResult.h" |
| michael@0 | 14 | |
| michael@0 | 15 | /** |
| michael@0 | 16 | * Default Constructor |
| michael@0 | 17 | **/ |
| michael@0 | 18 | |
| michael@0 | 19 | /** |
| michael@0 | 20 | * Creates a new NumberResult with the value of the given double parameter |
| michael@0 | 21 | * @param dbl the double to use for initialization of this NumberResult's value |
| michael@0 | 22 | **/ |
| michael@0 | 23 | NumberResult::NumberResult(double aValue, txResultRecycler* aRecycler) |
| michael@0 | 24 | : txAExprResult(aRecycler), value(aValue) |
| michael@0 | 25 | { |
| michael@0 | 26 | } //-- NumberResult |
| michael@0 | 27 | |
| michael@0 | 28 | /* |
| michael@0 | 29 | * Virtual Methods from ExprResult |
| michael@0 | 30 | */ |
| michael@0 | 31 | |
| michael@0 | 32 | short NumberResult::getResultType() { |
| michael@0 | 33 | return txAExprResult::NUMBER; |
| michael@0 | 34 | } //-- getResultType |
| michael@0 | 35 | |
| michael@0 | 36 | void |
| michael@0 | 37 | NumberResult::stringValue(nsString& aResult) |
| michael@0 | 38 | { |
| michael@0 | 39 | txDouble::toString(value, aResult); |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | const nsString* |
| michael@0 | 43 | NumberResult::stringValuePointer() |
| michael@0 | 44 | { |
| michael@0 | 45 | return nullptr; |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | bool NumberResult::booleanValue() { |
| michael@0 | 49 | // OG+ |
| michael@0 | 50 | // As per the XPath spec, the boolean value of a number is true if and only if |
| michael@0 | 51 | // it is neither positive 0 nor negative 0 nor NaN |
| michael@0 | 52 | return (bool)(value != 0.0 && !mozilla::IsNaN(value)); |
| michael@0 | 53 | // OG- |
| michael@0 | 54 | } //-- booleanValue |
| michael@0 | 55 | |
| michael@0 | 56 | double NumberResult::numberValue() { |
| michael@0 | 57 | return this->value; |
| michael@0 | 58 | } //-- numberValue |
| michael@0 | 59 |
