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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/* This file is part of the KDE project
SPDX-FileCopyrightText: 2007, 2008 David Faure <faure@kde.org>
SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "mimetypewriter.h"
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QStandardPaths>
#include <QXmlStreamWriter>
#include <KProcess>
class MimeTypeWriterPrivate
{
public:
QString localFilePath() const;
QString m_mimeType;
QString m_comment;
QString m_iconName;
QStringList m_patterns;
QString m_marker;
};
MimeTypeWriter::MimeTypeWriter(const QString &mimeType)
: d(new MimeTypeWriterPrivate)
{
d->m_mimeType = mimeType;
Q_ASSERT(!mimeType.isEmpty());
}
MimeTypeWriter::~MimeTypeWriter()
{
delete d;
}
void MimeTypeWriter::setComment(const QString &comment)
{
d->m_comment = comment;
}
void MimeTypeWriter::setPatterns(const QStringList &patterns)
{
d->m_patterns = patterns;
}
void MimeTypeWriter::setIconName(const QString &iconName)
{
d->m_iconName = iconName;
}
void MimeTypeWriter::setMarker(const QString &marker)
{
d->m_marker = marker;
}
bool MimeTypeWriter::write()
{
const QString packageFileName = d->localFilePath();
qDebug() << "writing" << packageFileName;
QFile packageFile(packageFileName);
if (!packageFile.open(QIODevice::WriteOnly)) {
qCritical() << "Couldn't open" << packageFileName << "for writing";
return false;
}
QXmlStreamWriter writer(&packageFile);
writer.setAutoFormatting(true);
writer.writeStartDocument();
if (!d->m_marker.isEmpty()) {
writer.writeComment(d->m_marker);
}
const QString nsUri = QStringLiteral("http://www.freedesktop.org/standards/shared-mime-info");
writer.writeDefaultNamespace(nsUri);
writer.writeStartElement(QStringLiteral("mime-info"));
writer.writeStartElement(nsUri, QStringLiteral("mime-type"));
writer.writeAttribute(QStringLiteral("type"), d->m_mimeType);
if (!d->m_comment.isEmpty()) {
writer.writeStartElement(nsUri, QStringLiteral("comment"));
writer.writeCharacters(d->m_comment);
writer.writeEndElement(); // comment
}
if (!d->m_iconName.isEmpty()) {
// User-specified icon name
writer.writeStartElement(nsUri, QStringLiteral("icon"));
writer.writeAttribute(QStringLiteral("name"), d->m_iconName);
writer.writeEndElement(); // icon
}
// Allow this local definition to override the global definition
writer.writeStartElement(nsUri, QStringLiteral("glob-deleteall"));
writer.writeEndElement(); // glob-deleteall
for (const QString &pattern : std::as_const(d->m_patterns)) {
writer.writeStartElement(nsUri, QStringLiteral("glob"));
writer.writeAttribute(QStringLiteral("pattern"), pattern);
writer.writeEndElement(); // glob
}
writer.writeEndElement(); // mime-info
writer.writeEndElement(); // mime-type
writer.writeEndDocument();
return true;
}
void MimeTypeWriter::runUpdateMimeDatabase()
{
const QString localPackageDir = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) + QLatin1String("/mime/");
Q_ASSERT(!localPackageDir.isEmpty());
KProcess proc;
proc << QStringLiteral("update-mime-database");
proc << localPackageDir;
const int exitCode = proc.execute();
if (exitCode) {
qWarning() << proc.program() << "exited with error code" << exitCode;
}
}
QString MimeTypeWriterPrivate::localFilePath() const
{
// XDG shared mime: we must write into a <kdehome>/share/mime/packages/ file...
// To simplify our job, let's use one "input" file per mimetype, in the user's dir.
// (this writes into $HOME/.local/share/mime by default)
//
// We could also use Override.xml, says the spec, but then we'd need to merge with other mimetypes,
// and in ~/.local we don't really expect other packages to be installed anyway...
QString baseName = m_mimeType;
baseName.replace(QLatin1Char('/'), QLatin1Char('-'));
QString packagesDirName = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) + QLatin1String("/mime/") + QStringLiteral("packages/");
// create the directory, the saving will fail if it doesn't exist (bug#356237)
QDir(packagesDirName).mkpath(QStringLiteral("."));
return packagesDirName + baseName + QStringLiteral(".xml");
}
static QString existingDefinitionFile(const QString &mimeType)
{
QString baseName = mimeType;
baseName.replace(QLatin1Char('/'), QLatin1Char('-'));
return QStandardPaths::locate(QStandardPaths::GenericDataLocation,
QLatin1String("mime/") + QStringLiteral("packages/") + baseName + QStringLiteral(".xml"));
}
bool MimeTypeWriter::hasDefinitionFile(const QString &mimeType)
{
return !existingDefinitionFile(mimeType).isEmpty();
}
void MimeTypeWriter::removeOwnMimeType(const QString &mimeType)
{
const QString file = existingDefinitionFile(mimeType);
Q_ASSERT(!file.isEmpty());
QFile::remove(file);
// We must also remove the generated XML file, update-mime-database doesn't do that, for unknown media types
QString xmlFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QLatin1String("mime/") + mimeType + QStringLiteral(".xml"));
QFile::remove(xmlFile);
}
/// WARNING: this code is duplicated between apps/nsplugins and runtime/filetypes
|
