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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /dom/xslt/xpath/txNumberResult.cpp | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/xslt/xpath/txNumberResult.cpp')
-rw-r--r-- | dom/xslt/xpath/txNumberResult.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/dom/xslt/xpath/txNumberResult.cpp b/dom/xslt/xpath/txNumberResult.cpp new file mode 100644 index 000000000..0bcbecdc5 --- /dev/null +++ b/dom/xslt/xpath/txNumberResult.cpp @@ -0,0 +1,59 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/** + * NumberResult + * Represents the a number as the result of evaluating an Expr +**/ + +#include "mozilla/FloatingPoint.h" + +#include "txExprResult.h" + +/** + * Default Constructor +**/ + +/** + * Creates a new NumberResult with the value of the given double parameter + * @param dbl the double to use for initialization of this NumberResult's value +**/ +NumberResult::NumberResult(double aValue, txResultRecycler* aRecycler) + : txAExprResult(aRecycler), value(aValue) +{ +} //-- NumberResult + +/* + * Virtual Methods from ExprResult +*/ + +short NumberResult::getResultType() { + return txAExprResult::NUMBER; +} //-- getResultType + +void +NumberResult::stringValue(nsString& aResult) +{ + txDouble::toString(value, aResult); +} + +const nsString* +NumberResult::stringValuePointer() +{ + return nullptr; +} + +bool NumberResult::booleanValue() { + // OG+ + // As per the XPath spec, the boolean value of a number is true if and only if + // it is neither positive 0 nor negative 0 nor NaN + return (bool)(value != 0.0 && !mozilla::IsNaN(value)); + // OG- +} //-- booleanValue + +double NumberResult::numberValue() { + return this->value; +} //-- numberValue + |