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Revert "rework QPollingFileSystemWatcherEngine to use QFileInfo for files"

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QFileInfo equal operator does not compare all attributes

This reverts commit 9812469490.
This commit is contained in:
Ivailo Monev 2020-01-02 17:30:43 +00:00
parent 61e0a23d43
commit 0e92ef89b9
1 changed files with 47 additions and 48 deletions
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95
src/core/io/qfilesystemwatcher.cpp
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@ -57,7 +57,7 @@ class QPollingFileSystemWatcherEngine : public QFileSystemWatcherEngine
{
Q_OBJECT
class DirInfo
class FileInfo
{
uint ownerId;
uint groupId;
@ -66,14 +66,7 @@ class QPollingFileSystemWatcherEngine : public QFileSystemWatcherEngine
QStringList entries;
public:
DirInfo()
: ownerId(-1),
groupId(-1),
permissions(0)
{
}
DirInfo(const QFileInfo &fileInfo)
FileInfo(const QFileInfo &fileInfo)
: ownerId(fileInfo.ownerId()),
groupId(fileInfo.groupId()),
permissions(fileInfo.permissions()),
@ -83,9 +76,9 @@ class QPollingFileSystemWatcherEngine : public QFileSystemWatcherEngine
entries = fileInfo.absoluteDir().entryList(QDir::AllEntries);
}
}
DirInfo &operator=(const QFileInfo &fileInfo)
FileInfo &operator=(const QFileInfo &fileInfo)
{
*this = DirInfo(fileInfo);
*this = FileInfo(fileInfo);
return *this;
}
@ -100,8 +93,7 @@ class QPollingFileSystemWatcherEngine : public QFileSystemWatcherEngine
}
};
QHash<QString, QFileInfo> files;
QHash<QString, DirInfo> directories;
QHash<QString, FileInfo> files, directories;
public:
QPollingFileSystemWatcherEngine();
@ -122,29 +114,31 @@ QPollingFileSystemWatcherEngine::QPollingFileSystemWatcherEngine()
}
QStringList QPollingFileSystemWatcherEngine::addPaths(const QStringList &paths,
QStringList *filepaths,
QStringList *directorypaths)
QStringList *files,
QStringList *directories)
{
QStringList p = paths;
foreach (const QString &path, p) {
QMutableListIterator<QString> it(p);
while (it.hasNext()) {
QString path = it.next();
QFileInfo fi(path);
if (!fi.exists())
continue;
if (fi.isDir()) {
if (!directorypaths->contains(path))
directorypaths->append(path);
if (!directories->contains(path))
directories->append(path);
if (!path.endsWith(QLatin1Char('/')))
fi = QFileInfo(path + QLatin1Char('/'));
directories.insert(path, fi);
this->directories.insert(path, fi);
} else {
if (!filepaths->contains(path))
filepaths->append(path);
files.insert(path, fi);
if (!files->contains(path))
files->append(path);
this->files.insert(path, fi);
}
p.removeAll(path);
it.remove();
}
if ((!files.isEmpty() ||
!directories.isEmpty()) &&
if ((!this->files.isEmpty() ||
!this->directories.isEmpty()) &&
!timer.isActive()) {
timer.start(PollingInterval);
}
@ -152,21 +146,23 @@ QStringList QPollingFileSystemWatcherEngine::addPaths(const QStringList &paths,
}
QStringList QPollingFileSystemWatcherEngine::removePaths(const QStringList &paths,
QStringList *filepaths,
QStringList *directorypaths)
QStringList *files,
QStringList *directories)
{
QStringList p = paths;
foreach (const QString &path, p) {
if (directories.remove(path)) {
directorypaths->removeAll(path);
p.removeAll(path);
} else if (files.remove(path)) {
filepaths->removeAll(path);
p.removeAll(path);
QMutableListIterator<QString> it(p);
while (it.hasNext()) {
QString path = it.next();
if (this->directories.remove(path)) {
directories->removeAll(path);
it.remove();
} else if (this->files.remove(path)) {
files->removeAll(path);
it.remove();
}
}
if (files.isEmpty() &&
directories.isEmpty()) {
if (this->files.isEmpty() &&
this->directories.isEmpty()) {
timer.stop();
}
return p;
@ -174,33 +170,36 @@ QStringList QPollingFileSystemWatcherEngine::removePaths(const QStringList &path
void QPollingFileSystemWatcherEngine::timeout()
{
foreach (const QString &path, files.keys()) {
const QFileInfo value = files.value(path);
QMutableHashIterator<QString, FileInfo> fit(files);
while (fit.hasNext()) {
QHash<QString, FileInfo>::iterator x = fit.next();
QString path = x.key();
QFileInfo fi(path);
if (!fi.exists()) {
files.remove(path);
fit.remove();
emit fileChanged(path, true);
} else if (value != fi) {
files.insert(path, fi);
} else if (x.value() != fi) {
x.value() = fi;
emit fileChanged(path, false);
}
}
foreach (const QString &path, directories.keys()) {
const DirInfo value = files.value(path);
QMutableHashIterator<QString, FileInfo> dit(directories);
while (dit.hasNext()) {
QHash<QString, FileInfo>::iterator x = dit.next();
QString path = x.key();
QFileInfo fi(path);
if (!path.endsWith(QLatin1Char('/')))
fi = QFileInfo(path + QLatin1Char('/'));
if (!fi.exists()) {
directories.remove(path);
dit.remove();
emit directoryChanged(path, true);
} else if (value != fi) {
} else if (x.value() != fi) {
fi.refresh();
if (!fi.exists()) {
directories.remove(path);
dit.remove();
emit directoryChanged(path, true);
} else {
directories.insert(path, DirInfo(fi));
x.value() = fi;
emit directoryChanged(path, false);
}
}