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 "qtypechecker_p.h" |
42 | |
43 | #include "qtreatas_p.h" |
44 | |
45 | QT_BEGIN_NAMESPACE |
46 | |
47 | using namespace QPatternist; |
48 | |
49 | TreatAs::TreatAs(const Expression::Ptr &operand, |
50 | const SequenceType::Ptr &reqType) : SingleContainer(operand), |
51 | m_reqType(reqType) |
52 | { |
53 | Q_ASSERT(reqType); |
54 | } |
55 | |
56 | Expression::Ptr TreatAs::typeCheck(const StaticContext::Ptr &context, |
57 | const SequenceType::Ptr &reqType) |
58 | { |
59 | Q_ASSERT(context); |
60 | Q_ASSERT(reqType); |
61 | |
62 | /* Apply function conversion with the special error code XPDY0050. After that, we |
63 | * let the regular typeCheck() function be invoked on the operand before we rewrite |
64 | * to it. Hence is applyFunctionConversion() called twice, which doesn't break anything, |
65 | * but indeed is redundant. */ |
66 | const Expression::Ptr treated(TypeChecker::applyFunctionConversion(operand: m_operand, |
67 | reqType: m_reqType, |
68 | context, |
69 | code: ReportContext::XPDY0050)); |
70 | return treated->typeCheck(context, reqType); |
71 | } |
72 | |
73 | ExpressionVisitorResult::Ptr TreatAs::accept(const ExpressionVisitor::Ptr &visitor) const |
74 | { |
75 | return visitor->visit(this); |
76 | } |
77 | |
78 | SequenceType::Ptr TreatAs::staticType() const |
79 | { |
80 | return m_reqType; |
81 | } |
82 | |
83 | SequenceType::List TreatAs::expectedOperandTypes() const |
84 | { |
85 | SequenceType::List result; |
86 | result.append(t: CommonSequenceTypes::ZeroOrMoreItems); |
87 | return result; |
88 | } |
89 | |
90 | QT_END_NAMESPACE |
91 | |