michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * Boolean Expression result
michael@0: */
michael@0: 
michael@0: #include "txExprResult.h"
michael@0: 
michael@0: /**
michael@0:  * Creates a new BooleanResult with the value of the given bool parameter
michael@0:  * @param boolean the bool to use for initialization of this BooleanResult's value
michael@0: **/
michael@0: BooleanResult::BooleanResult(bool boolean)
michael@0:     : txAExprResult(nullptr)
michael@0: {
michael@0:     this->value = boolean;
michael@0: } //-- BooleanResult
michael@0: 
michael@0: /*
michael@0:  * Virtual Methods from ExprResult
michael@0: */
michael@0: 
michael@0: short BooleanResult::getResultType() {
michael@0:     return txAExprResult::BOOLEAN;
michael@0: } //-- getResultType
michael@0: 
michael@0: void
michael@0: BooleanResult::stringValue(nsString& aResult)
michael@0: {
michael@0:     if (value) {
michael@0:         aResult.AppendLiteral("true");
michael@0:     }
michael@0:     else {
michael@0:         aResult.AppendLiteral("false");
michael@0:     }
michael@0: }
michael@0: 
michael@0: const nsString*
michael@0: BooleanResult::stringValuePointer()
michael@0: {
michael@0:     // In theory we could set strings containing "true" and "false" somewhere,
michael@0:     // but most stylesheets never get the stringvalue of a bool so that won't
michael@0:     // really buy us anything.
michael@0:     return nullptr;
michael@0: }
michael@0: 
michael@0: bool BooleanResult::booleanValue() {
michael@0:    return this->value;
michael@0: } //-- toBoolean
michael@0: 
michael@0: double BooleanResult::numberValue() {
michael@0:     return ( value ) ? 1.0 : 0.0;
michael@0: } //-- toNumber