| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qboolean_p.h" |
| #include "qcommonvalues_p.h" |
| #include "qliteral_p.h" |
| |
| #include "qorexpression_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace QPatternist; |
| |
| OrExpression::OrExpression(const Expression::Ptr &operand1, |
| const Expression::Ptr &operand2) : AndExpression(operand1, operand2) |
| { |
| } |
| |
| bool OrExpression::evaluateEBV(const DynamicContext::Ptr &context) const |
| { |
| return m_operand1->evaluateEBV(context) || m_operand2->evaluateEBV(context); |
| } |
| |
| Expression::Ptr OrExpression::compress(const StaticContext::Ptr &context) |
| { |
| const Expression::Ptr newMe(PairContainer::compress(context)); |
| |
| if(newMe != this) |
| return newMe; |
| |
| /* Both operands mustn't be evaluated in order to be able to compress. */ |
| if(m_operand1->isEvaluated() && m_operand1->evaluateEBV(context->dynamicContext())) |
| return wrapLiteral(CommonValues::BooleanTrue, context, this); |
| else if(m_operand2->isEvaluated() && m_operand2->evaluateEBV(context->dynamicContext())) |
| return wrapLiteral(CommonValues::BooleanTrue, context, this); |
| else |
| return Expression::Ptr(this); |
| } |
| |
| ExpressionVisitorResult::Ptr OrExpression::accept(const ExpressionVisitor::Ptr &visitor) const |
| { |
| return visitor->visit(this); |
| } |
| |
| QT_END_NAMESPACE |