1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef QXMLSERIALIZER_P_H
#define QXMLSERIALIZER_P_H
#include <QtCore/QIODevice>
#include <QtCore/QStack>
#include <QtCore/QTextCodec>
#include <QtXmlPatterns/QXmlQuery>
#include <QtXmlPatterns/QXmlNamePool>
#include <QtXmlPatterns/QXmlSerializer>
#include "qnamepool_p.h"
#include "qabstractxmlreceiver_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QXmlSerializerPrivate : public QAbstractXmlReceiverPrivate
{
public:
QXmlSerializerPrivate(const QXmlQuery &q,
QIODevice *outputDevice);
QStack<QPair<QXmlName, bool> > hasClosedElement;
bool isPreviousAtomic;
QXmlSerializer::State state;
const QPatternist::NamePool::Ptr np;
/**
* This member worries me a bit. We never use it but nevertheless
* it is pushed and pops linear to startElement() and endElement().
* An optimization would be to at least merge it with hasClosedElement,
* but even better to push it on demand. That is, namespaceBinding()
* pushes it up to the tree depth first when it is needed.
*/
QStack<QVector<QXmlName> > namespaces;
QIODevice * device;
const QTextCodec * codec;
QTextCodec::ConverterState converterState;
/**
* Name cache. Since encoding QStrings are rather expensive
* operations to do, and we on top of that would have to do
* it each time a name appears, we here map names to their
* encoded equivalents.
*
* This means that when writing out large documents, the serialization
* of names after a while is reduced to a hash lookup and passing an
* existing byte array.
*
* We use QXmlName::Code as key as opposed to merely QName, because the
* prefix is of significance.
*/
QHash<QXmlName::Code, QByteArray> nameCache;
const QXmlQuery query;
inline void write(const char c);
private:
enum Constants
{
EstimatedTreeDepth = 10,
/**
* We use a high count to avoid rehashing. We can afford it since we
* only allocate one hash for this.
*/
EstimatedNameCount = 60
};
};
void QXmlSerializerPrivate::write(const char c)
{
device->putChar(c);
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
