1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #include "qcommonsequencetypes_p.h" 43 #include "qinteger_p.h" 44 45 #include "qpositionalvariablereference_p.h" 46 47 QT_BEGIN_NAMESPACE 48 49 using namespace QPatternist; 50 PositionalVariableReference(const VariableSlotID s)51PositionalVariableReference::PositionalVariableReference(const VariableSlotID s) : VariableReference(s) 52 { 53 } 54 evaluateSingleton(const DynamicContext::Ptr & context) const55Item PositionalVariableReference::evaluateSingleton(const DynamicContext::Ptr &context) const 56 { 57 Q_ASSERT(context); 58 Q_ASSERT(context->positionIterator(slot())); 59 return Integer::fromValue(context->positionIterator(slot())->position()); 60 } 61 evaluateEBV(const DynamicContext::Ptr &) const62bool PositionalVariableReference::evaluateEBV(const DynamicContext::Ptr &) const 63 { 64 return true; 65 } 66 staticType() const67SequenceType::Ptr PositionalVariableReference::staticType() const 68 { 69 return CommonSequenceTypes::ExactlyOneInteger; 70 } 71 properties() const72Expression::Properties PositionalVariableReference::properties() const 73 { 74 return DependsOnLocalVariable; 75 } 76 77 ExpressionVisitorResult::Ptr 78 accept(const ExpressionVisitor::Ptr & visitor) const79PositionalVariableReference::accept(const ExpressionVisitor::Ptr &visitor) const 80 { 81 return visitor->visit(this); 82 } 83 84 QT_END_NAMESPACE 85