io/qfilesystemwatcher_polling.cpp

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1/**************************************************************************** -
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3** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -
4** Contact: http://www.qt-project.org/legal -
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6** This file is part of the QtCore module of the Qt Toolkit. -
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8** $QT_BEGIN_LICENSE:LGPL$ -
9** Commercial License Usage -
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21** packaging of this file. Please review the following information to -
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26** rights. These rights are described in the Digia Qt LGPL Exception -
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -
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29** GNU General Public License Usage -
30** Alternatively, this file may be used under the terms of the GNU -
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37** -
38** $QT_END_LICENSE$ -
39** -
40****************************************************************************/ -
41 -
42#include "qfilesystemwatcher_polling_p.h" -
43#include <QtCore/qtimer.h> -
44 -
45#ifndef QT_NO_FILESYSTEMWATCHER -
46 -
47QT_BEGIN_NAMESPACE -
48 -
49QPollingFileSystemWatcherEngine::QPollingFileSystemWatcherEngine(QObject *parent) -
50 : QFileSystemWatcherEngine(parent), -
51 timer(this) -
52{ -
53 connect(&timer, SIGNAL(timeout()), SLOT(timeout()));
executed (the execution status of this line is deduced): connect(&timer, "2""timeout()", "1""timeout()");
-
54}
executed: }
Execution Count:4
4
55 -
56QStringList QPollingFileSystemWatcherEngine::addPaths(const QStringList &paths, -
57 QStringList *files, -
58 QStringList *directories) -
59{ -
60 QStringList p = paths;
executed (the execution status of this line is deduced): QStringList p = paths;
-
61 QMutableListIterator<QString> it(p);
executed (the execution status of this line is deduced): QMutableListIterator<QString> it(p);
-
62 while (it.hasNext()) {
evaluated: it.hasNext()
TRUEFALSE
yes
Evaluation Count:9
yes
Evaluation Count:9
9
63 QString path = it.next();
executed (the execution status of this line is deduced): QString path = it.next();
-
64 QFileInfo fi(path);
executed (the execution status of this line is deduced): QFileInfo fi(path);
-
65 if (!fi.exists())
partially evaluated: !fi.exists()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:9
0-9
66 continue;
never executed: continue;
0
67 if (fi.isDir()) {
evaluated: fi.isDir()
TRUEFALSE
yes
Evaluation Count:4
yes
Evaluation Count:5
4-5
68 if (!directories->contains(path))
partially evaluated: !directories->contains(path)
TRUEFALSE
yes
Evaluation Count:4
no
Evaluation Count:0
0-4
69 directories->append(path);
executed: directories->append(path);
Execution Count:4
4
70 if (!path.endsWith(QLatin1Char('/')))
partially evaluated: !path.endsWith(QLatin1Char('/'))
TRUEFALSE
yes
Evaluation Count:4
no
Evaluation Count:0
0-4
71 fi = QFileInfo(path + QLatin1Char('/'));
executed: fi = QFileInfo(path + QLatin1Char('/'));
Execution Count:4
4
72 this->directories.insert(path, fi);
executed (the execution status of this line is deduced): this->directories.insert(path, fi);
-
73 } else {
executed: }
Execution Count:4
4
74 if (!files->contains(path))
partially evaluated: !files->contains(path)
TRUEFALSE
yes
Evaluation Count:5
no
Evaluation Count:0
0-5
75 files->append(path);
executed: files->append(path);
Execution Count:5
5
76 this->files.insert(path, fi);
executed (the execution status of this line is deduced): this->files.insert(path, fi);
-
77 }
executed: }
Execution Count:5
5
78 it.remove();
executed (the execution status of this line is deduced): it.remove();
-
79 }
executed: }
Execution Count:9
9
80 -
81 if ((!this->files.isEmpty() ||
evaluated: !this->files.isEmpty()
TRUEFALSE
yes
Evaluation Count:5
yes
Evaluation Count:4
4-5
82 !this->directories.isEmpty()) &&
partially evaluated: !this->directories.isEmpty()
TRUEFALSE
yes
Evaluation Count:4
no
Evaluation Count:0
0-4
83 !timer.isActive()) {
evaluated: !timer.isActive()
TRUEFALSE
yes
Evaluation Count:8
yes
Evaluation Count:1
1-8
84 timer.start(PollingInterval);
executed (the execution status of this line is deduced): timer.start(PollingInterval);
-
85 }
executed: }
Execution Count:8
8
86 -
87 return p;
executed: return p;
Execution Count:9
9
88} -
89 -
90QStringList QPollingFileSystemWatcherEngine::removePaths(const QStringList &paths, -
91 QStringList *files, -
92 QStringList *directories) -
93{ -
94 QStringList p = paths;
executed (the execution status of this line is deduced): QStringList p = paths;
-
95 QMutableListIterator<QString> it(p);
executed (the execution status of this line is deduced): QMutableListIterator<QString> it(p);
-
96 while (it.hasNext()) {
evaluated: it.hasNext()
TRUEFALSE
yes
Evaluation Count:5
yes
Evaluation Count:5
5
97 QString path = it.next();
executed (the execution status of this line is deduced): QString path = it.next();
-
98 if (this->directories.remove(path)) {
evaluated: this->directories.remove(path)
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:4
1-4
99 directories->removeAll(path);
executed (the execution status of this line is deduced): directories->removeAll(path);
-
100 it.remove();
executed (the execution status of this line is deduced): it.remove();
-
101 } else if (this->files.remove(path)) {
executed: }
Execution Count:1
evaluated: this->files.remove(path)
TRUEFALSE
yes
Evaluation Count:3
yes
Evaluation Count:1
1-3
102 files->removeAll(path);
executed (the execution status of this line is deduced): files->removeAll(path);
-
103 it.remove();
executed (the execution status of this line is deduced): it.remove();
-
104 }
executed: }
Execution Count:3
3
105 } -
106 -
107 if (this->files.isEmpty() &&
partially evaluated: this->files.isEmpty()
TRUEFALSE
yes
Evaluation Count:5
no
Evaluation Count:0
0-5
108 this->directories.isEmpty()) {
evaluated: this->directories.isEmpty()
TRUEFALSE
yes
Evaluation Count:4
yes
Evaluation Count:1
1-4
109 timer.stop();
executed (the execution status of this line is deduced): timer.stop();
-
110 }
executed: }
Execution Count:4
4
111 -
112 return p;
executed: return p;
Execution Count:5
5
113} -
114 -
115void QPollingFileSystemWatcherEngine::timeout() -
116{ -
117 QMutableHashIterator<QString, FileInfo> fit(files);
executed (the execution status of this line is deduced): QMutableHashIterator<QString, FileInfo> fit(files);
-
118 while (fit.hasNext()) {
evaluated: fit.hasNext()
TRUEFALSE
yes
Evaluation Count:13
yes
Evaluation Count:35
13-35
119 QHash<QString, FileInfo>::iterator x = fit.next();
executed (the execution status of this line is deduced): QHash<QString, FileInfo>::iterator x = fit.next();
-
120 QString path = x.key();
executed (the execution status of this line is deduced): QString path = x.key();
-
121 QFileInfo fi(path);
executed (the execution status of this line is deduced): QFileInfo fi(path);
-
122 if (!fi.exists()) {
evaluated: !fi.exists()
TRUEFALSE
yes
Evaluation Count:2
yes
Evaluation Count:11
2-11
123 fit.remove();
executed (the execution status of this line is deduced): fit.remove();
-
124 emit fileChanged(path, true);
executed (the execution status of this line is deduced): fileChanged(path, true);
-
125 } else if (x.value() != fi) {
executed: }
Execution Count:2
evaluated: x.value() != fi
TRUEFALSE
yes
Evaluation Count:4
yes
Evaluation Count:7
2-7
126 x.value() = fi;
executed (the execution status of this line is deduced): x.value() = fi;
-
127 emit fileChanged(path, false);
executed (the execution status of this line is deduced): fileChanged(path, false);
-
128 }
executed: }
Execution Count:4
4
129 } -
130 QMutableHashIterator<QString, FileInfo> dit(directories);
executed (the execution status of this line is deduced): QMutableHashIterator<QString, FileInfo> dit(directories);
-
131 while (dit.hasNext()) {
evaluated: dit.hasNext()
TRUEFALSE
yes
Evaluation Count:19
yes
Evaluation Count:35
19-35
132 QHash<QString, FileInfo>::iterator x = dit.next();
executed (the execution status of this line is deduced): QHash<QString, FileInfo>::iterator x = dit.next();
-
133 QString path = x.key();
executed (the execution status of this line is deduced): QString path = x.key();
-
134 QFileInfo fi(path);
executed (the execution status of this line is deduced): QFileInfo fi(path);
-
135 if (!path.endsWith(QLatin1Char('/')))
partially evaluated: !path.endsWith(QLatin1Char('/'))
TRUEFALSE
yes
Evaluation Count:19
no
Evaluation Count:0
0-19
136 fi = QFileInfo(path + QLatin1Char('/'));
executed: fi = QFileInfo(path + QLatin1Char('/'));
Execution Count:19
19
137 if (!fi.exists()) {
evaluated: !fi.exists()
TRUEFALSE
yes
Evaluation Count:2
yes
Evaluation Count:17
2-17
138 dit.remove();
executed (the execution status of this line is deduced): dit.remove();
-
139 emit directoryChanged(path, true);
executed (the execution status of this line is deduced): directoryChanged(path, true);
-
140 } else if (x.value() != fi) {
executed: }
Execution Count:2
evaluated: x.value() != fi
TRUEFALSE
yes
Evaluation Count:4
yes
Evaluation Count:13
2-13
141 fi.refresh();
executed (the execution status of this line is deduced): fi.refresh();
-
142 if (!fi.exists()) {
partially evaluated: !fi.exists()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:4
0-4
143 dit.remove();
never executed (the execution status of this line is deduced): dit.remove();
-
144 emit directoryChanged(path, true);
never executed (the execution status of this line is deduced): directoryChanged(path, true);
-
145 } else {
never executed: }
0
146 x.value() = fi;
executed (the execution status of this line is deduced): x.value() = fi;
-
147 emit directoryChanged(path, false);
executed (the execution status of this line is deduced): directoryChanged(path, false);
-
148 }
executed: }
Execution Count:4
4
149 } -
150 } -
151}
executed: }
Execution Count:35
35
152 -
153QT_END_NAMESPACE -
154#endif // !QT_NO_FILESYSTEMWATCHER -
155 -
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