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QDirIteratorPrivate: assign to members directly

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Instead of passing default args to the constructor. The alternative is
adding as many constructors as the public class has.

The dirEntry member benefits from copy-elision in the 3 QDirIterator
overloads that construct a QFileSystemEntry.

Change-Id: I7b6bcc54a7e00255be9903d58cc09f4e202a25c3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Ahmad Samir 2023-12-23 18:21:28 +02:00
parent eb2db79064
commit 1a3753fc78
1 changed files with 34 additions and 19 deletions
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53
src/corelib/io/qdiriterator.cpp
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@ -90,9 +90,7 @@ public:
class QDirIteratorPrivate
{
public:
QDirIteratorPrivate(const QFileSystemEntry &entry, const QStringList &nameFilters,
QDir::Filters _filters, QDirIterator::IteratorFlags flags, bool resolveEngine = true);
void init(bool resolveEngine);
void advance();
bool entryMatches(const QString & fileName, const QFileInfo &fileInfo);
@ -103,9 +101,9 @@ public:
std::unique_ptr<QAbstractFileEngine> engine;
QFileSystemEntry dirEntry;
const QStringList nameFilters;
const QDir::Filters filters;
const QDirIterator::IteratorFlags iteratorFlags;
QStringList nameFilters;
QDir::Filters filters;
QDirIterator::IteratorFlags iteratorFlags;
#if QT_CONFIG(regularexpression)
QList<QRegularExpression> nameRegExps;
@ -123,16 +121,14 @@ public:
QDuplicateTracker<QString> visitedLinks;
};
/*!
\internal
*/
QDirIteratorPrivate::QDirIteratorPrivate(const QFileSystemEntry &entry, const QStringList &nameFilters,
QDir::Filters _filters, QDirIterator::IteratorFlags flags, bool resolveEngine)
: dirEntry(entry)
, nameFilters(nameFilters.contains("*"_L1) ? QStringList() : nameFilters)
, filters(QDir::NoFilter == _filters ? QDir::AllEntries : _filters)
, iteratorFlags(flags)
void QDirIteratorPrivate::init(bool resolveEngine = true)
{
if (nameFilters.contains("*"_L1))
nameFilters.clear();
if (filters == QDir::NoFilter)
filters = QDir::AllEntries;
#if QT_CONFIG(regularexpression)
nameRegExps.reserve(nameFilters.size());
for (const auto &filter : nameFilters) {
@ -380,9 +376,15 @@ bool QDirIteratorPrivate::matchesFilters(const QString &fileName, const QFileInf
\sa hasNext(), next(), IteratorFlags
*/
QDirIterator::QDirIterator(const QDir &dir, IteratorFlags flags)
: d(new QDirIteratorPrivate)
{
const QDirPrivate *other = dir.d_ptr.constData();
d.reset(new QDirIteratorPrivate(other->dirEntry, other->nameFilters, other->filters, flags, bool(other->fileEngine)));
d->dirEntry = other->dirEntry;
d->nameFilters = other->nameFilters;
d->filters = other->filters;
d->iteratorFlags = flags;
const bool resolveEngine = other->fileEngine ? true : false;
d->init(resolveEngine);
}
/*!
@ -399,8 +401,12 @@ QDirIterator::QDirIterator(const QDir &dir, IteratorFlags flags)
\sa hasNext(), next(), IteratorFlags
*/
QDirIterator::QDirIterator(const QString &path, QDir::Filters filters, IteratorFlags flags)
: d(new QDirIteratorPrivate(QFileSystemEntry(path), QStringList(), filters, flags))
: d(new QDirIteratorPrivate)
{
d->dirEntry = QFileSystemEntry(path);
d->filters = filters;
d->iteratorFlags = flags;
d->init();
}
/*!
@ -416,8 +422,12 @@ QDirIterator::QDirIterator(const QString &path, QDir::Filters filters, IteratorF
\sa hasNext(), next(), IteratorFlags
*/
QDirIterator::QDirIterator(const QString &path, IteratorFlags flags)
: d(new QDirIteratorPrivate(QFileSystemEntry(path), QStringList(), QDir::NoFilter, flags))
: d(new QDirIteratorPrivate)
{
d->dirEntry = QFileSystemEntry(path);
d->filters = QDir::NoFilter;
d->iteratorFlags = flags;
d->init();
}
/*!
@ -440,8 +450,13 @@ QDirIterator::QDirIterator(const QString &path, IteratorFlags flags)
*/
QDirIterator::QDirIterator(const QString &path, const QStringList &nameFilters,
QDir::Filters filters, IteratorFlags flags)
: d(new QDirIteratorPrivate(QFileSystemEntry(path), nameFilters, filters, flags))
: d(new QDirIteratorPrivate)
{
d->dirEntry = QFileSystemEntry(path);
d->nameFilters = nameFilters;
d->filters = filters;
d->iteratorFlags = flags;
d->init();
}
/*!