source: trunk/src/xmlpatterns/data/qvaluefactory.cpp@ 780

Last change on this file since 780 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.

  • Property svn:eol-style set to native
File size: 4.2 KB
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1/****************************************************************************
2**
3** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtXmlPatterns module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "qatomiccaster_p.h"
43#include "qatomicstring_p.h"
44#include "qcastingplatform_p.h"
45#include "qvaluefactory_p.h"
46
47QT_BEGIN_NAMESPACE
48
49using namespace QPatternist;
50
51/**
52 * @short Helper class for ValueFactory::fromLexical() which exposes
53 * CastingPlatform appropriately.
54 *
55 * @relates ValueFactory
56 */
57class PerformValueConstruction : public CastingPlatform<PerformValueConstruction, false>
58 , public SourceLocationReflection
59{
60public:
61 PerformValueConstruction(const SourceLocationReflection *const sourceLocationReflection,
62 const SchemaType::Ptr &toType) : m_sourceReflection(sourceLocationReflection)
63 , m_targetType(AtomicType::Ptr(toType))
64 {
65 Q_ASSERT(m_sourceReflection);
66 }
67
68 AtomicValue::Ptr operator()(const AtomicValue::Ptr &lexicalValue,
69 const SchemaType::Ptr & /*type*/,
70 const ReportContext::Ptr &context)
71 {
72 prepareCasting(context, BuiltinTypes::xsString);
73 return AtomicValue::Ptr(const_cast<AtomicValue *>(cast(lexicalValue, context).asAtomicValue()));
74 }
75
76 const SourceLocationReflection *actualReflection() const
77 {
78 return m_sourceReflection;
79 }
80
81 ItemType::Ptr targetType() const
82 {
83 return m_targetType;
84 }
85
86private:
87 const SourceLocationReflection *const m_sourceReflection;
88 const ItemType::Ptr m_targetType;
89};
90
91AtomicValue::Ptr ValueFactory::fromLexical(const QString &lexicalValue,
92 const SchemaType::Ptr &type,
93 const ReportContext::Ptr &context,
94 const SourceLocationReflection *const sourceLocationReflection)
95{
96 Q_ASSERT(context);
97 Q_ASSERT(type);
98 Q_ASSERT_X(type->category() == SchemaType::SimpleTypeAtomic, Q_FUNC_INFO,
99 "We can only construct for atomic values.");
100
101 return PerformValueConstruction(sourceLocationReflection, type)(AtomicString::fromValue(lexicalValue),
102 type,
103 context);
104}
105
106QT_END_NAMESPACE
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