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
131
132
133
134
135
136
|
/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QML preview debug service.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQMLPREVIEWFILEENGINE_H
#define QQMLPREVIEWFILEENGINE_H
//
// 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.
//
#include "qqmlpreviewfileloader.h"
#include <private/qabstractfileengine_p.h>
#include <private/qfsfileengine_p.h>
#include <QtCore/qbuffer.h>
QT_BEGIN_NAMESPACE
class QQmlPreviewFileEngine : public QAbstractFileEngine
{
public:
QQmlPreviewFileEngine(const QString &file, const QString &absolute,
QQmlPreviewFileLoader *loader);
void setFileName(const QString &file) override;
bool open(QIODevice::OpenMode flags) override ;
bool close() override;
qint64 size() const override;
qint64 pos() const override;
bool seek(qint64) override;
qint64 read(char *data, qint64 maxlen) override;
FileFlags fileFlags(FileFlags type) const override;
QString fileName(QAbstractFileEngine::FileName file) const override;
uint ownerId(FileOwner) const override;
Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames) override;
Iterator *endEntryList() override;
// Forwarding to fallback if exists
bool flush() override;
bool syncToDisk() override;
bool isSequential() const override;
bool remove() override;
bool copy(const QString &newName) override;
bool rename(const QString &newName) override;
bool renameOverwrite(const QString &newName) override;
bool link(const QString &newName) override;
bool mkdir(const QString &dirName, bool createParentDirectories) const override;
bool rmdir(const QString &dirName, bool recurseParentDirectories) const override;
bool setSize(qint64 size) override;
bool caseSensitive() const override;
bool isRelativePath() const override;
QStringList entryList(QDir::Filters filters, const QStringList &filterNames) const override;
bool setPermissions(uint perms) override;
QByteArray id() const override;
QString owner(FileOwner) const override;
QDateTime fileTime(FileTime time) const override;
int handle() const override;
qint64 readLine(char *data, qint64 maxlen) override;
qint64 write(const char *data, qint64 len) override;
bool extension(Extension extension, const ExtensionOption *option, ExtensionReturn *output) override;
bool supportsExtension(Extension extension) const override;
private:
void load() const;
QString m_name;
QString m_absolute;
QPointer<QQmlPreviewFileLoader> m_loader;
mutable QBuffer m_contents;
mutable QStringList m_entries;
mutable QScopedPointer<QAbstractFileEngine> m_fallback;
mutable QQmlPreviewFileLoader::Result m_result = QQmlPreviewFileLoader::Unknown;
};
class QQmlPreviewFileEngineHandler : public QAbstractFileEngineHandler
{
public:
QQmlPreviewFileEngineHandler(QQmlPreviewFileLoader *loader);
QAbstractFileEngine *create(const QString &fileName) const override;
private:
QPointer<QQmlPreviewFileLoader> m_loader;
};
QT_END_NAMESPACE
#endif // QQMLPREVIEWFILEENGINE_H
|
