diff options
author | Robin Burchell <robin.burchell@viroteck.net> | 2016-03-29 11:55:57 +0200 |
---|---|---|
committer | Robin Burchell <robin.burchell@viroteck.net> | 2016-04-06 09:05:25 +0000 |
commit | a676e4e2dae945c02521691c7018f5a5534feff9 (patch) | |
tree | e4f9ba24edd55d2021c57c9dfbc33d55fb6411c3 /src | |
parent | d438b4f4b93d04a841edf031359e26af617d889d (diff) |
qml: Remove unused QHashField class.
Change-Id: I8dd234d06048e6d8e7b2dfccb59d639ad167022b
Reviewed-by: Frank Meerkoetter <frank.meerkoetter@basyskom.com>
Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/qml/qml/ftw/ftw.pri | 1 | ||||
-rw-r--r-- | src/qml/qml/ftw/qhashfield_p.h | 112 |
2 files changed, 0 insertions, 113 deletions
diff --git a/src/qml/qml/ftw/ftw.pri b/src/qml/qml/ftw/ftw.pri index 51697b0aff..a671cfa12d 100644 --- a/src/qml/qml/ftw/ftw.pri +++ b/src/qml/qml/ftw/ftw.pri @@ -5,7 +5,6 @@ HEADERS += \ $$PWD/qhashedstring_p.h \ $$PWD/qqmlrefcount_p.h \ $$PWD/qfieldlist_p.h \ - $$PWD/qhashfield_p.h \ $$PWD/qqmlthread_p.h \ $$PWD/qfinitestack_p.h \ $$PWD/qrecursionwatcher_p.h \ diff --git a/src/qml/qml/ftw/qhashfield_p.h b/src/qml/qml/ftw/qhashfield_p.h deleted file mode 100644 index 461cadfd98..0000000000 --- a/src/qml/qml/ftw/qhashfield_p.h +++ /dev/null @@ -1,112 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the QtQml module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL21$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QHASHFIELD_P_H -#define QHASHFIELD_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - - -#include <QtCore/qglobal.h> - -QT_BEGIN_NAMESPACE - -// QHashField can be used for doing coarse grained set testing, in -// cases where you do not expect the set to contain the item. For -// example where you would write: -// QSet<QString> strings; -// for (int ii = 0; ii < mystrings.count(); ++ii) { -// if (strings.contains(mystrings.at(ii))) -// qFatal("Duplication!"); -// strings.insert(mystrings); -// } -// You may write: -// QHashField strings; -// for (int ii = 0; ii < mystrings.count(); ++ii) { -// if (strings.testAndSet(qHash(mystrings.at(ii)))) { -// // The string *might* be duplicated -// for (int jj = 0; jj < ii; ++jj) { -// if (mystrings.at(ii) == mystrings.at(jj)) -// qFatal("Duplication!"); -// } -// } -// } -// For small lists of things, where the hash is cheap to calculate -// and you don't expect duplication this will be much faster. -class QHashField { -public: - inline QHashField(); - - inline void clear(); - - inline bool test(quint32 hash); - inline bool testAndSet(quint32 hash); -private: - quint32 m_field; -}; - -QHashField::QHashField() -: m_field(0) -{ -} - -void QHashField::clear() -{ - m_field = 0; -} - -bool QHashField::test(quint32 hash) -{ - return m_field & (1 << (hash % 31)); -} - -bool QHashField::testAndSet(quint32 hash) -{ - quint32 mask = 1 << (hash % 31); - bool rv = m_field & mask; - m_field |= mask; - return rv; -} - -QT_END_NAMESPACE - -#endif // QHASHFIELD_P_H |