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authorMichele Calgaro <[email protected]>2019-04-27 20:19:31 +0900
committerMichele Calgaro <[email protected]>2019-04-27 20:19:31 +0900
commitc753c65cf7616665d669ea169c875c60eab69e51 (patch)
treea0814b9cb714abec02c37ef21ff90afdd946817d /qtinterface/qt4/Qt/qendian.h
parente9596b5b63d8c4303da0b50e63c0056899dafb27 (diff)
downloadtqtinterface-c753c65cf7616665d669ea169c875c60eab69e51.tar.gz
tqtinterface-c753c65cf7616665d669ea169c875c60eab69e51.zip
Dropped unused code.
Signed-off-by: Michele Calgaro <[email protected]>
Diffstat (limited to 'qtinterface/qt4/Qt/qendian.h')
-rw-r--r--qtinterface/qt4/Qt/qendian.h347
1 files changed, 0 insertions, 347 deletions
diff --git a/qtinterface/qt4/Qt/qendian.h b/qtinterface/qt4/Qt/qendian.h
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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation ([email protected])
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial Usage
-** Licensees holding valid Qt Commercial licenses may use this file in
-** accordance with the Qt Commercial License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Nokia.
-**
-** 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 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at [email protected].
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QENDIAN_H
-#define QENDIAN_H
-
-#include <QtCore/qglobal.h>
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Core)
-
-/*
- * ENDIAN FUNCTIONS
-*/
-inline void qbswap_helper(const uchar *src, uchar *dest, int size)
-{
- for (int i = 0; i < size ; ++i) dest[i] = src[size - 1 - i];
-}
-
-/*
- * qbswap(const T src, const uchar *dest);
- * Changes the byte order of \a src from big endian to little endian or vice versa
- * and stores the result in \a dest.
- * There is no alignment requirements for \a dest.
-*/
-template <typename T> inline void qbswap(const T src, uchar *dest)
-{
- qbswap_helper(reinterpret_cast<const uchar *>(&src), dest, sizeof(T));
-}
-
-// Used to implement a type-safe and alignment-safe copy operation
-// If you want to avoid the memcopy, you must write specializations for this function
-template <typename T> inline void qToUnaligned(const T src, uchar *dest)
-{
- qMemCopy(dest, &src, sizeof(T));
-}
-
-/* T qFromLittleEndian(const uchar *src)
- * This function will read a little-endian encoded value from \a src
- * and return the value in host-endian encoding.
- * There is no requirement that \a src must be aligned.
-*/
-#if defined Q_CC_MSVC && _MSC_VER < 1300 || defined Q_CC_SUN
-inline quint64 qFromLittleEndian_helper(const uchar *src, quint64 *dest)
-{
- return 0
- | src[0]
- | src[1] * Q_UINT64_C(0x0000000000000100)
- | src[2] * Q_UINT64_C(0x0000000000010000)
- | src[3] * Q_UINT64_C(0x0000000001000000)
- | src[4] * Q_UINT64_C(0x0000000100000000)
- | src[5] * Q_UINT64_C(0x0000010000000000)
- | src[6] * Q_UINT64_C(0x0001000000000000)
- | src[7] * Q_UINT64_C(0x0100000000000000);
-}
-
-inline quint32 qFromLittleEndian_helper(const uchar *src, quint32 *dest)
-{
- return 0
- | src[0]
- | src[1] * quint32(0x00000100)
- | src[2] * quint32(0x00010000)
- | src[3] * quint32(0x01000000);
-}
-
-inline quint16 qFromLittleEndian_helper(const uchar *src, quint16 *dest)
-{
- return 0
- | src[0]
- | src[1] * 0x0100;
-}
-
-inline qint64 qFromLittleEndian_helper(const uchar *src, qint64 * dest)
-{ return static_cast<qint64>(qFromLittleEndian_helper(src, reinterpret_cast<quint64*>(0))); }
-inline qint32 qFromLittleEndian_helper(const uchar *src, qint32 * dest)
-{ return static_cast<qint32>(qFromLittleEndian_helper(src, reinterpret_cast<quint32*>(0))); }
-inline qint16 qFromLittleEndian_helper(const uchar *src, qint16 * dest)
-{ return static_cast<qint16>(qFromLittleEndian_helper(src, reinterpret_cast<quint16*>(0))); }
-
-template <class T> inline T qFromLittleEndian(const uchar *src)
-{
- return qFromLittleEndian_helper(src, reinterpret_cast<T*>(0));
-}
-
-#else
-template <typename T> inline T qFromLittleEndian(const uchar *src);
-template <> inline quint64 qFromLittleEndian<quint64>(const uchar *src)
-{
- return 0
- | src[0]
- | src[1] * Q_UINT64_C(0x0000000000000100)
- | src[2] * Q_UINT64_C(0x0000000000010000)
- | src[3] * Q_UINT64_C(0x0000000001000000)
- | src[4] * Q_UINT64_C(0x0000000100000000)
- | src[5] * Q_UINT64_C(0x0000010000000000)
- | src[6] * Q_UINT64_C(0x0001000000000000)
- | src[7] * Q_UINT64_C(0x0100000000000000);
-}
-
-template <> inline quint32 qFromLittleEndian<quint32>(const uchar *src)
-{
- return 0
- | src[0]
- | src[1] * quint32(0x00000100)
- | src[2] * quint32(0x00010000)
- | src[3] * quint32(0x01000000);
-}
-
-template <> inline quint16 qFromLittleEndian<quint16>(const uchar *src)
-{
- return quint16(0
- | src[0]
- | src[1] * 0x0100);
-}
-
-// signed specializations
-template <> inline qint64 qFromLittleEndian<qint64>(const uchar *src)
-{ return static_cast<qint64>(qFromLittleEndian<quint64>(src)); }
-
-template <> inline qint32 qFromLittleEndian<qint32>(const uchar *src)
-{ return static_cast<qint32>(qFromLittleEndian<quint32>(src)); }
-
-template <> inline qint16 qFromLittleEndian<qint16>(const uchar *src)
-{ return static_cast<qint16>(qFromLittleEndian<quint16>(src)); }
-#endif
-
-/* This function will read a big-endian (also known as network order) encoded value from \a src
- * and return the value in host-endian encoding.
- * There is no requirement that \a src must be aligned.
-*/
-#if defined Q_CC_MSVC && _MSC_VER < 1300 || defined Q_CC_SUN
-inline quint64 qFromBigEndian_helper(const uchar *src, quint64 *dest)
-{
- return 0
- | src[7]
- | src[6] * Q_UINT64_C(0x0000000000000100)
- | src[5] * Q_UINT64_C(0x0000000000010000)
- | src[4] * Q_UINT64_C(0x0000000001000000)
- | src[3] * Q_UINT64_C(0x0000000100000000)
- | src[2] * Q_UINT64_C(0x0000010000000000)
- | src[1] * Q_UINT64_C(0x0001000000000000)
- | src[0] * Q_UINT64_C(0x0100000000000000);
-}
-
-inline quint32 qFromBigEndian_helper(const uchar *src, quint32 * dest)
-{
- return 0
- | src[3]
- | src[2] * quint32(0x00000100)
- | src[1] * quint32(0x00010000)
- | src[0] * quint32(0x01000000);
-}
-
-inline quint16 qFromBigEndian_helper(const uchar *src, quint16 * des)
-{
- return 0
- | src[1]
- | src[0] * 0x0100;
-}
-
-
-inline qint64 qFromBigEndian_helper(const uchar *src, qint64 * dest)
-{ return static_cast<qint64>(qFromBigEndian_helper(src, reinterpret_cast<quint64*>(0))); }
-inline qint32 qFromBigEndian_helper(const uchar *src, qint32 * dest)
-{ return static_cast<qint32>(qFromBigEndian_helper(src, reinterpret_cast<quint32*>(0))); }
-inline qint16 qFromBigEndian_helper(const uchar *src, qint16 * dest)
-{ return static_cast<qint16>(qFromBigEndian_helper(src, reinterpret_cast<quint16*>(0))); }
-
-template <class T> inline T qFromBigEndian(const uchar *src)
-{
- return qFromBigEndian_helper(src, reinterpret_cast<T*>(0));
-}
-
-#else
-template <class T> inline T qFromBigEndian(const uchar *src);
-template<>
-inline quint64 qFromBigEndian<quint64>(const uchar *src)
-{
- return 0
- | src[7]
- | src[6] * Q_UINT64_C(0x0000000000000100)
- | src[5] * Q_UINT64_C(0x0000000000010000)
- | src[4] * Q_UINT64_C(0x0000000001000000)
- | src[3] * Q_UINT64_C(0x0000000100000000)
- | src[2] * Q_UINT64_C(0x0000010000000000)
- | src[1] * Q_UINT64_C(0x0001000000000000)
- | src[0] * Q_UINT64_C(0x0100000000000000);
-}
-
-template<>
-inline quint32 qFromBigEndian<quint32>(const uchar *src)
-{
- return 0
- | src[3]
- | src[2] * quint32(0x00000100)
- | src[1] * quint32(0x00010000)
- | src[0] * quint32(0x01000000);
-}
-
-template<>
-inline quint16 qFromBigEndian<quint16>(const uchar *src)
-{
- return quint16( 0
- | src[1]
- | src[0] * quint16(0x0100));
-}
-
-
-// signed specializations
-template <> inline qint64 qFromBigEndian<qint64>(const uchar *src)
-{ return static_cast<qint64>(qFromBigEndian<quint64>(src)); }
-
-template <> inline qint32 qFromBigEndian<qint32>(const uchar *src)
-{ return static_cast<qint32>(qFromBigEndian<quint32>(src)); }
-
-template <> inline qint16 qFromBigEndian<qint16>(const uchar *src)
-{ return static_cast<qint16>(qFromBigEndian<quint16>(src)); }
-#endif
-/*
- * T qbswap(T source).
- * Changes the byte order of a value from big endian to little endian or vice versa.
- * This function can be used if you are not concerned about alignment issues,
- * and it is therefore a bit more convenient and in most cases more efficient.
-*/
-template <typename T> T qbswap(T source);
-template <> inline quint64 qbswap<quint64>(quint64 source)
-{
- return 0
- | ((source & Q_UINT64_C(0x00000000000000ff)) << 56)
- | ((source & Q_UINT64_C(0x000000000000ff00)) << 40)
- | ((source & Q_UINT64_C(0x0000000000ff0000)) << 24)
- | ((source & Q_UINT64_C(0x00000000ff000000)) << 8)
- | ((source & Q_UINT64_C(0x000000ff00000000)) >> 8)
- | ((source & Q_UINT64_C(0x0000ff0000000000)) >> 24)
- | ((source & Q_UINT64_C(0x00ff000000000000)) >> 40)
- | ((source & Q_UINT64_C(0xff00000000000000)) >> 56);
-}
-
-template <> inline quint32 qbswap<quint32>(quint32 source)
-{
- return 0
- | ((source & 0x000000ff) << 24)
- | ((source & 0x0000ff00) << 8)
- | ((source & 0x00ff0000) >> 8)
- | ((source & 0xff000000) >> 24);
-}
-
-template <> inline quint16 qbswap<quint16>(quint16 source)
-{
- return quint16( 0
- | ((source & 0x00ff) << 8)
- | ((source & 0xff00) >> 8) );
-}
-
-// signed specializations
-template <> inline qint64 qbswap<qint64>(qint64 source)
-{
- return qbswap<quint64>(quint64(source));
-}
-
-template <> inline qint32 qbswap<qint32>(qint32 source)
-{
- return qbswap<quint32>(quint32(source));
-}
-
-template <> inline qint16 qbswap<qint16>(qint16 source)
-{
- return qbswap<quint16>(quint16(source));
-}
-
-#if Q_BYTE_ORDER == Q_BIG_ENDIAN
-
-template <typename T> inline T qToBigEndian(T source)
-{ return source; }
-template <typename T> inline T qFromBigEndian(T source)
-{ return source; }
-template <typename T> inline T qToLittleEndian(T source)
-{ return qbswap<T>(source); }
-template <typename T> inline T qFromLittleEndian(T source)
-{ return qbswap<T>(source); }
-template <typename T> inline void qToBigEndian(T src, uchar *dest)
-{ qToUnaligned<T>(src, dest); }
-template <typename T> inline void qToLittleEndian(T src, uchar *dest)
-{ qbswap<T>(src, dest); }
-#else // Q_LITTLE_ENDIAN
-
-template <typename T> inline T qToBigEndian(T source)
-{ return qbswap<T>(source); }
-template <typename T> inline T qFromBigEndian(T source)
-{ return qbswap<T>(source); }
-template <typename T> inline T qToLittleEndian(T source)
-{ return source; }
-template <typename T> inline T qFromLittleEndian(T source)
-{ return source; }
-template <typename T> inline void qToBigEndian(T src, uchar *dest)
-{ qbswap<T>(src, dest); }
-template <typename T> inline void qToLittleEndian(T src, uchar *dest)
-{ qToUnaligned<T>(src, dest); }
-
-#endif // Q_BYTE_ORDER == Q_BIG_ENDIAN
-
-QT_END_NAMESPACE
-
-QT_END_HEADER
-
-#endif // QENDIAN_H