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| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
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| 6 | ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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| 26 | ** Alternatively, this file may be used under the terms of the GNU |
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| 39 | |
| 40 | #include "qbuiltintypes_p.h" |
| 41 | #include "qcommonsequencetypes_p.h" |
| 42 | |
| 43 | #include "qparentnodeaxis_p.h" |
| 44 | |
| 45 | QT_BEGIN_NAMESPACE |
| 46 | |
| 47 | using namespace QPatternist; |
| 48 | |
| 49 | Item ParentNodeAxis::evaluateSingleton(const DynamicContext::Ptr &context) const |
| 50 | { |
| 51 | return context->contextItem().asNode().iterate(axis: QXmlNodeModelIndex::AxisParent)->next(); |
| 52 | } |
| 53 | |
| 54 | Expression::Properties ParentNodeAxis::properties() const |
| 55 | { |
| 56 | return DisableElimination | RequiresContextItem; |
| 57 | } |
| 58 | |
| 59 | ExpressionVisitorResult::Ptr ParentNodeAxis::accept(const ExpressionVisitor::Ptr &visitor) const |
| 60 | { |
| 61 | return visitor->visit(this); |
| 62 | } |
| 63 | |
| 64 | ItemType::Ptr ParentNodeAxis::expectedContextItemType() const |
| 65 | { |
| 66 | return BuiltinTypes::node; |
| 67 | } |
| 68 | |
| 69 | SequenceType::Ptr ParentNodeAxis::staticType() const |
| 70 | { |
| 71 | // Parentless node exists. |
| 72 | return CommonSequenceTypes::ZeroOrOneNode; |
| 73 | } |
| 74 | |
| 75 | QT_END_NAMESPACE |
| 76 |