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QFileSystemNode: simplify three loops over the children hash

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In the dtor, simply call qDeleteAll(children) instead of looping
manually.

In updateIcon() and retranslateStrings() replace a manual loop
with C++11 ranged for. At least I only saw 'iterator' everywhere
(who names an iterator 'iterator' instead of 'it'??).

Change-Id: Ib0047dece3c88244bb4364cd4491cd04514a91bb
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Marc Mutz 2016-09-30 11:57:15 +02:00
parent 8a25006fad
commit 1bde907a23
1 changed files with 9 additions and 15 deletions
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24
src/widgets/dialogs/qfilesystemmodel_p.h
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@ -85,11 +85,7 @@ public:
explicit QFileSystemNode(const QString &filename = QString(), QFileSystemNode *p = 0)
: fileName(filename), populatedChildren(false), isVisible(false), dirtyChildrenIndex(-1), parent(p), info(0) {}
~QFileSystemNode() {
QHash<QString, QFileSystemNode*>::const_iterator i = children.constBegin();
while (i != children.constEnd()) {
delete i.value();
++i;
}
qDeleteAll(children);
delete info;
info = 0;
parent = 0;
@ -164,32 +160,30 @@ public:
void updateIcon(QFileIconProvider *iconProvider, const QString &path) {
if (info)
info->icon = iconProvider->icon(QFileInfo(path));
QHash<QString, QFileSystemNode *>::const_iterator iterator;
for(iterator = children.constBegin() ; iterator != children.constEnd() ; ++iterator) {
for (QFileSystemNode *child : qAsConst(children)) {
//On windows the root (My computer) has no path so we don't want to add a / for nothing (e.g. /C:/)
if (!path.isEmpty()) {
if (path.endsWith(QLatin1Char('/')))
iterator.value()->updateIcon(iconProvider, path + iterator.value()->fileName);
child->updateIcon(iconProvider, path + child->fileName);
else
iterator.value()->updateIcon(iconProvider, path + QLatin1Char('/') + iterator.value()->fileName);
child->updateIcon(iconProvider, path + QLatin1Char('/') + child->fileName);
} else
iterator.value()->updateIcon(iconProvider, iterator.value()->fileName);
child->updateIcon(iconProvider, child->fileName);
}
}
void retranslateStrings(QFileIconProvider *iconProvider, const QString &path) {
if (info)
info->displayType = iconProvider->type(QFileInfo(path));
QHash<QString, QFileSystemNode *>::const_iterator iterator;
for(iterator = children.constBegin() ; iterator != children.constEnd() ; ++iterator) {
for (QFileSystemNode *child : qAsConst(children)) {
//On windows the root (My computer) has no path so we don't want to add a / for nothing (e.g. /C:/)
if (!path.isEmpty()) {
if (path.endsWith(QLatin1Char('/')))
iterator.value()->retranslateStrings(iconProvider, path + iterator.value()->fileName);
child->retranslateStrings(iconProvider, path + child->fileName);
else
iterator.value()->retranslateStrings(iconProvider, path + QLatin1Char('/') + iterator.value()->fileName);
child->retranslateStrings(iconProvider, path + QLatin1Char('/') + child->fileName);
} else
iterator.value()->retranslateStrings(iconProvider, iterator.value()->fileName);
child->retranslateStrings(iconProvider, child->fileName);
}
}