1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://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 https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://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 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#include "qcommonsequencetypes_p.h"
41#include "qdocumentcontentvalidator_p.h"
42#include "qnodebuilder_p.h"
43
44#include "qdocumentconstructor_p.h"
45
46QT_BEGIN_NAMESPACE
47
48using namespace QPatternist;
49
50DocumentConstructor::DocumentConstructor(const Expression::Ptr &op) : SingleContainer(op)
51{
52}
53
54Item DocumentConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
55{
56 NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(baseURI: m_staticBaseURI));
57
58 DocumentContentValidator validator(nodeBuilder.data(), context, ConstPtr(this));
59 const DynamicContext::Ptr receiverContext(context->createReceiverContext(receiver: &validator));
60
61 validator.startDocument();
62 m_operand->evaluateToSequenceReceiver(context: receiverContext);
63 validator.endDocument();
64
65 const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());
66 context->addNodeModel(nm);
67
68 return nm->root(n: QXmlNodeModelIndex());
69}
70
71void DocumentConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
72{
73 QAbstractXmlReceiver *const receiver = context->outputReceiver();
74
75 DocumentContentValidator validator(receiver, context, ConstPtr(this));
76
77 const DynamicContext::Ptr receiverContext(context->createReceiverContext(receiver: &validator));
78
79 validator.startDocument();
80 m_operand->evaluateToSequenceReceiver(context: receiverContext);
81 validator.endDocument();
82}
83
84Expression::Ptr DocumentConstructor::typeCheck(const StaticContext::Ptr &context,
85 const SequenceType::Ptr &reqType)
86{
87 m_staticBaseURI = context->baseURI();
88 return SingleContainer::typeCheck(context, reqType);
89}
90
91SequenceType::Ptr DocumentConstructor::staticType() const
92{
93 return CommonSequenceTypes::ExactlyOneDocumentNode;
94}
95
96SequenceType::List DocumentConstructor::expectedOperandTypes() const
97{
98 SequenceType::List result;
99 result.append(t: CommonSequenceTypes::ZeroOrMoreItems);
100 return result;
101}
102
103Expression::Properties DocumentConstructor::properties() const
104{
105 return DisableElimination | IsNodeConstructor;
106}
107
108ExpressionVisitorResult::Ptr
109DocumentConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
110{
111 return visitor->visit(this);
112}
113
114QT_END_NAMESPACE
115

source code of qtxmlpatterns/src/xmlpatterns/expr/qdocumentconstructor.cpp