diff options
author | Anton Kudryavtsev <a.kudryavtsev@netris.ru> | 2016-03-31 12:01:59 +0300 |
---|---|---|
committer | Anton Kudryavtsev <a.kudryavtsev@netris.ru> | 2016-07-02 07:39:06 +0000 |
commit | 6662919ecde901771d9641fd732aa0735ebb39e6 (patch) | |
tree | 449752f7d9582cd685d81829e0e2245b0f9a0ece /src/corelib/mimetypes/qmimeprovider.cpp | |
parent | 2185b2f054ddae0fc67b8799b3561c57729f1cd7 (diff) |
CoreLib: use QStringRef to optimize memory allocation
Replace substring functions that return QString with
corresponding functions that return QStringRef where
it's possible.
Create QString from QStringRef only where necessary.
Change-Id: Id9ea11b16947220cd27787c0b529de62d10b6c26
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Diffstat (limited to 'src/corelib/mimetypes/qmimeprovider.cpp')
-rw-r--r-- | src/corelib/mimetypes/qmimeprovider.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/corelib/mimetypes/qmimeprovider.cpp b/src/corelib/mimetypes/qmimeprovider.cpp index dc6eb05d9a..e72f9a30d0 100644 --- a/src/corelib/mimetypes/qmimeprovider.cpp +++ b/src/corelib/mimetypes/qmimeprovider.cpp @@ -63,7 +63,7 @@ QT_BEGIN_NAMESPACE static QString fallbackParent(const QString &mimeTypeName) { - const QString myGroup = mimeTypeName.left(mimeTypeName.indexOf(QLatin1Char('/'))); + const QStringRef myGroup = mimeTypeName.leftRef(mimeTypeName.indexOf(QLatin1Char('/'))); // All text/* types are subclasses of text/plain. if (myGroup == QLatin1String("text") && mimeTypeName != QLatin1String("text/plain")) return QLatin1String("text/plain"); @@ -363,7 +363,8 @@ bool QMimeBinaryProvider::matchSuffixTree(QMimeGlobMatchResult &result, QMimeBin const int weight = flagsAndWeight & 0xff; const bool caseSensitive = flagsAndWeight & 0x100; if (caseSensitiveCheck || !caseSensitive) { - result.addMatch(QLatin1String(mimeType), weight, QLatin1Char('*') + fileName.mid(charPos+1)); + result.addMatch(QLatin1String(mimeType), weight, + QLatin1Char('*') + fileName.midRef(charPos + 1)); success = true; } } |