1 /****************************************************************************
3 ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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 Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/contact-us.
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 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
40 ****************************************************************************/
46 // This file is not part of the Qt API. It exists purely as an
47 // implementation detail. This header file may change from version to
48 // version without notice, or even be removed.
52 #ifndef Patternist_ProjectedExpression_H
53 #define Patternist_ProjectedExpression_H
55 #include <private/qitem_p.h>
63 class ProjectedExpression
66 typedef ProjectedExpression * Ptr;
67 typedef QVector<ProjectedExpression::Ptr> Vector;
68 virtual ~ProjectedExpression()
77 KeepSubtree = 4 | Keep
80 virtual Action actionForElement(const QXmlName name,
81 ProjectedExpression::Ptr &next) const
90 class ProjectedNodeTest
93 typedef ProjectedNodeTest * Ptr;
94 virtual ~ProjectedNodeTest()
98 virtual bool isMatch(const QXmlNodeModelIndex::NodeKind kind) const
105 class ProjectedStep : public ProjectedExpression
108 ProjectedStep(const ProjectedNodeTest::Ptr test,
109 const QXmlNodeModelIndex::Axis axis) : m_test(test),
115 virtual Action actionForElement(const QXmlName name,
116 ProjectedExpression::Ptr &next) const
125 const ProjectedNodeTest::Ptr m_test;
126 const QXmlNodeModelIndex::Axis m_axis;
129 class ProjectedPath : public ProjectedExpression
132 ProjectedPath(const ProjectedExpression::Ptr left,
133 const ProjectedExpression::Ptr right) : m_left(left),
140 virtual Action actionForElement(const QXmlName name,
141 ProjectedExpression::Ptr &next) const
143 ProjectedExpression::Ptr &candidateNext = next;
144 const Action a = m_left->actionForElement(name, candidateNext);
148 /* The test accepted it, so let's replace us with the new step. */
149 next = candidateNext;
156 const ProjectedExpression::Ptr m_left;
157 const ProjectedExpression::Ptr m_right;