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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef BYTEARRAYINPUTSTREAM_H
#define BYTEARRAYINPUTSTREAM_H
#include <QByteArray>
#include <QString>
namespace Debugger {
namespace Internal {
class ByteArrayInputStream
{
Q_DISABLE_COPY(ByteArrayInputStream)
public:
typedef void (ModifierFunc)(ByteArrayInputStream &s);
explicit ByteArrayInputStream(QByteArray &ba);
ByteArrayInputStream &operator<<(char a) { m_target.append(a); return *this; }
ByteArrayInputStream &operator<<(const QByteArray &a) { m_target.append(a); return *this; }
ByteArrayInputStream &operator<<(const char *a) { m_target.append(a); return *this; }
ByteArrayInputStream &operator<<(const QString &a) { m_target.append(a.toLatin1()); return *this; }
ByteArrayInputStream &operator<<(int i) { appendInt(i); return *this; }
ByteArrayInputStream &operator<<(unsigned i) { appendInt(i); return *this; }
ByteArrayInputStream &operator<<(quint64 i) { appendInt(i); return *this; }
ByteArrayInputStream &operator<<(qint64 i) { appendInt(i); return *this; }
// Stream a modifier by invoking it
ByteArrayInputStream &operator<<(ModifierFunc mf) { mf(*this); return *this; }
void setHexPrefix(bool hp) { m_hexPrefix = hp; }
bool hexPrefix() const { return m_hexPrefix; }
void setIntegerBase(int b) { m_integerBase = b; }
int integerBase() const { return m_integerBase; }
// Append a separator if required (target does not end with it)
void appendSeparator(char c = ' ');
private:
template <class IntType> void appendInt(IntType i);
QByteArray &m_target;
int m_integerBase;
bool m_hexPrefix;
int m_width;
};
template <class IntType>
void ByteArrayInputStream::appendInt(IntType i)
{
const bool hexPrefix = m_integerBase == 16 && m_hexPrefix;
if (hexPrefix)
m_target.append("0x");
const QByteArray n = QByteArray::number(i, m_integerBase);
if (m_width > 0) {
int pad = m_width - n.size();
if (hexPrefix)
pad -= 2;
if (pad > 0)
m_target.append(QByteArray(pad, '0'));
}
m_target.append(n);
}
// Streamable modifiers for ByteArrayInputStream
void hexPrefixOn(ByteArrayInputStream &bs);
void hexPrefixOff(ByteArrayInputStream &bs);
void hex(ByteArrayInputStream &bs);
void dec(ByteArrayInputStream &bs);
void blankSeparator(ByteArrayInputStream &bs);
// Bytearray parse helpers
QByteArray trimFront(QByteArray in);
QByteArray trimBack(QByteArray in);
QByteArray simplify(const QByteArray &inIn);
} // namespace Internal
} // namespace Debugger
#endif // BYTEARRAYINPUTSTREAM_H
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