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39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49
50#ifndef Patternist_OutputValidator_H
51#define Patternist_OutputValidator_H
52
53#include <QSet>
54
55#include <private/qdynamiccontext_p.h>
56#include "qabstractxmlreceiver.h"
57#include <private/qsourcelocationreflection_p.h>
58
59QT_BEGIN_NAMESPACE
60
61namespace QPatternist
62{
63 /**
64 * @short Receives QAbstractXmlReceiver events and validates that they are correct,
65 * before sending them on to a second QAbstractXmlReceiver.
66 *
67 * Currently, this is only checking that attributes appear before other
68 * nodes.
69 *
70 * @ingroup Patternist_xdm
71 * @author Frans Englich <frans.englich@nokia.com>
72 * @todo Escape data
73 */
74 class OutputValidator : public QAbstractXmlReceiver
75 , public DelegatingSourceLocationReflection
76 {
77 public:
78 OutputValidator(QAbstractXmlReceiver *const receiver,
79 const DynamicContext::Ptr &context,
80 const SourceLocationReflection *const r,
81 const bool isXSLT);
82
83 virtual void namespaceBinding(const QXmlName &nb);
84
85 virtual void characters(const QStringRef &value);
86 virtual void comment(const QString &value);
87
88 virtual void startElement(const QXmlName &name);
89
90 virtual void endElement();
91
92 virtual void attribute(const QXmlName &name,
93 const QStringRef &value);
94
95 virtual void processingInstruction(const QXmlName &name,
96 const QString &value);
97
98 virtual void item(const Item &item);
99
100 virtual void startDocument();
101 virtual void endDocument();
102 virtual void atomicValue(const QVariant &value);
103 virtual void endOfSequence();
104 virtual void startOfSequence();
105
106 private:
107 bool m_hasReceivedChildren;
108 QAbstractXmlReceiver *const m_receiver;
109 const DynamicContext::Ptr m_context;
110
111 /**
112 * Keeps the current received attributes, in order to check uniqueness.
113 */
114 QSet<QXmlName> m_attributes;
115 const bool m_isXSLT;
116 };
117}
118
119QT_END_NAMESPACE
120
121#endif
122

source code of qtxmlpatterns/src/xmlpatterns/utils/qoutputvalidator_p.h