Qt 4.8
qqnameconstructor_p.h
Go to the documentation of this file.
1 /****************************************************************************
2 **
3 ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
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 Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 **
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 **
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
36 **
37 **
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_QNameConstructor_H
53 #define Patternist_QNameConstructor_H
54 
55 #include "qsinglecontainer_p.h"
56 #include "qbuiltintypes_p.h"
57 #include "qpatternistlocale_p.h"
58 #include "qxpathhelper_p.h"
59 
61 
63 
64 namespace QPatternist
65 {
76  {
77  public:
78 
79  QNameConstructor(const Expression::Ptr &source,
80  const NamespaceResolver::Ptr &nsResolver);
81 
82  virtual Item evaluateSingleton(const DynamicContext::Ptr &) const;
83 
85 
86  virtual SequenceType::Ptr staticType() const;
87 
88  virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
89 
108  template<typename TReportContext,
109  const ReportContext::ErrorCode InvalidQName,
110  const ReportContext::ErrorCode NoBinding>
111  static
112  QXmlName expandQName(const QString &lexicalQName,
113  const TReportContext &context,
114  const NamespaceResolver::Ptr &nsResolver,
115  const SourceLocationReflection *const r,
116  const bool asForAttribute = false);
117 
125  const StaticContext::Ptr &context,
126  const SourceLocationReflection *const r);
127 
128  virtual const SourceLocationReflection *actualReflection() const;
129 
130  private:
132  };
133 
134  template<typename TReportContext,
135  const ReportContext::ErrorCode InvalidQName,
136  const ReportContext::ErrorCode NoBinding>
138  const TReportContext &context,
139  const NamespaceResolver::Ptr &nsResolver,
140  const SourceLocationReflection *const r,
141  const bool asForAttribute)
142  {
143  Q_ASSERT(nsResolver);
144  Q_ASSERT(context);
145 
146  if(XPathHelper::isQName(lexicalQName))
147  {
148  QString prefix;
149  QString local;
150  XPathHelper::splitQName(lexicalQName, prefix, local);
151  const QXmlName::NamespaceCode nsCode = asForAttribute && prefix.isEmpty() ? QXmlName::NamespaceCode(StandardNamespaces::empty)
152  : (nsResolver->lookupNamespaceURI(context->namePool()->allocatePrefix(prefix)));
153 
154  if(nsCode == NamespaceResolver::NoBinding)
155  {
156  context->error(QtXmlPatterns::tr("No namespace binding exists for "
157  "the prefix %1 in %2").arg(formatKeyword(prefix),
158  formatKeyword(lexicalQName)),
159  NoBinding,
160  r);
161  return QXmlName(); /* Silence compiler warning. */
162  }
163  else
164  return context->namePool()->allocateQName(context->namePool()->stringForNamespace(nsCode), local, prefix);
165  }
166  else
167  {
168  context->error(QtXmlPatterns::tr("%1 is an invalid %2")
169  .arg(formatData(lexicalQName))
170  .arg(formatType(context->namePool(), BuiltinTypes::xsQName)),
171  InvalidQName,
172  r);
173  return QXmlName(); /* Silence compiler warning. */
174  }
175  }
176 }
177 
179 
181 
182 #endif
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QString formatKeyword(const QString &keyword)
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
qint16 NamespaceCode
Definition: qxmlname.h:82
QString formatType(const NamePool::Ptr &np, const T &type)
Formats ItemType and SequenceType.
static QXmlName::NamespaceCode namespaceForPrefix(const QXmlName::PrefixCode prefix, const StaticContext::Ptr &context, const SourceLocationReflection *const r)
virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const
static QXmlName expandQName(const QString &lexicalQName, const TReportContext &context, const NamespaceResolver::Ptr &nsResolver, const SourceLocationReflection *const r, const bool asForAttribute=false)
The QString class provides a Unicode character string.
Definition: qstring.h:83
virtual Item evaluateSingleton(const DynamicContext::Ptr &) const
#define Q_ASSERT(cond)
Definition: qglobal.h:1823
virtual SequenceType::List expectedOperandTypes() const
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
Creates an xs:QName value from a lexical QName using statically known namespace bindings.
bool isEmpty() const
Returns true if the string has no characters; otherwise returns false.
Definition: qstring.h:704
The namespace for the internal API of QtXmlPatterns.
static QString formatData(const QString &data)
const NamespaceResolver::Ptr m_nsResolver
The QXmlName class represents the name of an XML node, in an efficient, namespace-aware way...
Definition: qxmlname.h:58
Contains functions used for formatting arguments, such as keywords and paths, in translated strings...
Represents an item in the XPath 2.0 Data Model.
Definition: qitem_p.h:182
static const AtomicType::Ptr xsQName
static void splitQName(const QString &qName, QString &prefix, QString &localName)
Splits qName into localName and prefix.
QNameConstructor(const Expression::Ptr &source, const NamespaceResolver::Ptr &nsResolver)
static bool isQName(const QString &qName)
#define QT_END_HEADER
Definition: qglobal.h:137
virtual const SourceLocationReflection * actualReflection() const
Returns this.
The QList class is a template class that provides lists.
Definition: qdatastream.h:62
Base class for all instances that represents something at a certain location.
virtual SequenceType::Ptr staticType() const
Base class for expressions that has exactly one operand.
NamespaceCode PrefixCode
Definition: qxmlname.h:83