source: trunk/src/xmlpatterns/expr/qncnameconstructor_p.h@ 59

Last change on this file since 59 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 5.8 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtXmlPatterns module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** 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 are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42//
43// W A R N I N G
44// -------------
45//
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.
49//
50// We mean it.
51
52#ifndef Patternist_NCNameConstructor_H
53#define Patternist_NCNameConstructor_H
54
55#include "qsinglecontainer_p.h"
56#include "qpatternistlocale_p.h"
57#include "private/qxmlutils_p.h"
58
59QT_BEGIN_HEADER
60
61QT_BEGIN_NAMESPACE
62
63namespace QPatternist
64{
65 /**
66 * @short Ensures the lexical space of the string value of the Item returned
67 * from its child Expression is an NCName.
68 *
69 * @note It doesn't actually construct an @c xs:NCName. It only ensures the lexical
70 * space is an @c NCName. The atomic value can be of any string type, such as @c xs:untypedAtomic
71 * of @c xs:string.
72 *
73 * @author Frans Englich <[email protected]>
74 * @ingroup Patternist_expressions
75 */
76 class NCNameConstructor : public SingleContainer
77 {
78 public:
79
80 NCNameConstructor(const Expression::Ptr &source);
81
82 virtual Item evaluateSingleton(const DynamicContext::Ptr &) const;
83
84 virtual SequenceType::List expectedOperandTypes() const;
85
86 virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
87 const SequenceType::Ptr &reqType);
88
89 virtual SequenceType::Ptr staticType() const;
90
91 virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
92
93 /**
94 * Validates @p lexicalNCName as a processing instruction's target
95 * name, and raise an error if it's not an @c NCName.
96 */
97 template<typename TReportContext,
98 const ReportContext::ErrorCode NameIsXML,
99 const ReportContext::ErrorCode LexicallyInvalid>
100 static inline
101 void validateTargetName(const QString &lexicalNCName,
102 const TReportContext &context,
103 const SourceLocationReflection *const r);
104 private:
105
106 /**
107 * This translation string is put here in order to avoid duplicate messages and
108 * hence reduce work for translators and increase consistency.
109 */
110 static
111 const QString nameIsXML(const QString &lexTarget)
112 {
113 return QtXmlPatterns::tr("The target name in a processing instruction "
114 "cannot be %1 in any combination of upper "
115 "and lower case. Therefore, is %2 invalid.")
116 .arg(formatKeyword("xml"), formatKeyword(lexTarget));
117 }
118 };
119
120 template<typename TReportContext,
121 const ReportContext::ErrorCode NameIsXML,
122 const ReportContext::ErrorCode LexicallyInvalid>
123 inline
124 void NCNameConstructor::validateTargetName(const QString &lexicalTarget,
125 const TReportContext &context,
126 const SourceLocationReflection *const r)
127 {
128 Q_ASSERT(context);
129
130 if(QXmlUtils::isNCName(lexicalTarget))
131 {
132 if(QString::compare(QLatin1String("xml"), lexicalTarget, Qt::CaseInsensitive) == 0)
133 context->error(nameIsXML(lexicalTarget), NameIsXML, r);
134 }
135 else
136 {
137 context->error(QtXmlPatterns::tr("%1 is not a valid target name in "
138 "a processing instruction. It "
139 "must be a %2 value, e.g. %3.")
140 .arg(formatKeyword(lexicalTarget))
141 .arg(formatType(context->namePool(),
142 BuiltinTypes::xsNCName))
143 .arg(formatKeyword("my-name.123")),
144 LexicallyInvalid,
145 r);
146 }
147 }
148}
149
150QT_END_NAMESPACE
151
152QT_END_HEADER
153
154#endif
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