MultiMC5/libraries/iconfix/internal/qhexstring_p.h
2018-07-15 14:51:05 +02:00

101 lines
3.4 KiB
C++

/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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
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**
** In addition, as a special exception, Digia gives you certain additional
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** 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
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** $QT_END_LICENSE$
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****************************************************************************/
#include <QtCore/qglobal.h>
#include <QtCore/qpoint.h>
#include <QtCore/qstring.h>
#include <QtGui/qpolygon.h>
#include <QtCore/qstringbuilder.h>
#pragma once
//
// 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.
//
// internal helper. Converts an integer value to an unique string token
template <typename T> struct HexString
{
inline HexString(const T t) : val(t)
{
}
inline void write(QChar *&dest) const
{
const ushort hexChars[] = {'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
const char *c = reinterpret_cast<const char *>(&val);
for (uint i = 0; i < sizeof(T); ++i)
{
*dest++ = hexChars[*c & 0xf];
*dest++ = hexChars[(*c & 0xf0) >> 4];
++c;
}
}
const T val;
};
// specialization to enable fast concatenating of our string tokens to a string
template <typename T> struct QConcatenable<HexString<T>>
{
typedef HexString<T> type;
enum
{
ExactSize = true
};
static int size(const HexString<T> &)
{
return sizeof(T) * 2;
}
static inline void appendTo(const HexString<T> &str, QChar *&out)
{
str.write(out);
}
typedef QString ConvertTo;
};