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
|
/*
This file is part of Massif Visualizer
Copyright 2012 Milian Wolff <mail@milianw.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License or (at your option) version 3 or any later version
accepted by the membership of KDE e.V. (or its successor approved
by the membership of KDE e.V.), which shall act as a proxy
defined in Section 14 of version 3 of the license.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "parseworker.h"
#include "parser.h"
#include "filedata.h"
#include <QUrl>
#include <QTemporaryFile>
#include <KFilterDev>
#include <KIO/FileCopyJob>
#include <KLocalizedString>
namespace Massif {
ParseWorker::ParseWorker(QObject* parent)
: QObject(parent)
{
}
void ParseWorker::parse(const QUrl& url, const QStringList& allocators)
{
// process in background thread
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "parse", Q_ARG(QUrl, url), Q_ARG(QStringList, allocators));
return;
}
m_shouldStop = 0;
QTemporaryFile tempFile;
QString filePath;
if (!url.isLocalFile()) {
if (!tempFile.open() || !KIO::file_copy(url, QUrl::fromLocalFile(tempFile.fileName()), -1, KIO::Overwrite | KIO::HideProgressInfo)->exec()) {
emit error(i18n("Download Failed"),
i18n("Failed to download remote massif data file <i>%1</i>.", url.toString()));
return;
}
filePath = tempFile.fileName();
} else {
filePath = url.toLocalFile();
}
KFilterDev device(filePath);
if (!device.open(QIODevice::ReadOnly)) {
emit error(i18n("Read Failed"),
i18n("Could not open file <i>%1</i> for reading.", filePath));
return;
}
Parser p;
emit progressRange(0, 100);
connect(&p, &Parser::progress, this, &ParseWorker::progress);
QScopedPointer<FileData> data(p.parse(&device, allocators, &m_shouldStop));
if (!data) {
if (!m_shouldStop) {
emit error(i18n("Parser Failed"),
i18n("Could not parse file <i>%1</i>.<br>"
"Parse error in line %2:<br>%3",
url.toString(), p.errorLine() + 1,
QString::fromLatin1(p.errorLineString())));
}
return;
} else if (data->snapshots().isEmpty()) {
emit error(i18n("Empty data file <i>%1</i>.", url.toString()),
i18n("Empty Data File"));
return;
}
emit progress(100);
// success!
emit finished(url, data.take());
}
void ParseWorker::stop()
{
m_shouldStop = 1;
}
}
|
