1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
26 ** Public License version 3.0 requirements will be met:
27 ** http://www.gnu.org/copyleft/gpl.html.
30 ** Alternatively, this file may be used in accordance with the terms and
31 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
42 #include "qcommonsequencetypes_p.h"
43 #include "qtypechecker_p.h"
45 #include "qtreatas_p.h"
49 using namespace QPatternist;
51 TreatAs::TreatAs(const Expression::Ptr &operand,
52 const SequenceType::Ptr &reqType) : SingleContainer(operand),
58 Expression::Ptr TreatAs::typeCheck(const StaticContext::Ptr &context,
59 const SequenceType::Ptr &reqType)
64 /* Apply function conversion with the special error code XPDY0050. After that, we
65 * let the regular typeCheck() function be invoked on the operand before we rewrite
66 * to it. Hence is applyFunctionConversion() called twice, which doesn't break anything,
67 * but indeed is redundant. */
68 const Expression::Ptr treated(TypeChecker::applyFunctionConversion(m_operand,
71 ReportContext::XPDY0050));
72 return treated->typeCheck(context, reqType);
75 ExpressionVisitorResult::Ptr TreatAs::accept(const ExpressionVisitor::Ptr &visitor) const
77 return visitor->visit(this);
80 SequenceType::Ptr TreatAs::staticType() const
85 SequenceType::List TreatAs::expectedOperandTypes() const
87 SequenceType::List result;
88 result.append(CommonSequenceTypes::ZeroOrMoreItems);