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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include <QString>
namespace Debugger {
namespace Internal {
class StringInputStream
{
Q_DISABLE_COPY(StringInputStream)
public:
using ModifierFunc = void (StringInputStream &);
explicit StringInputStream(QString &str);
StringInputStream &operator<<(char a) { m_target.append(a); return *this; }
StringInputStream &operator<<(const char *a) { m_target.append(QString::fromUtf8(a)); return *this; }
StringInputStream &operator<<(const QString &a) { m_target.append(a); return *this; }
StringInputStream &operator<<(QStringView a)
{
m_target.append(a.toString());
return *this;
}
StringInputStream &operator<<(int i) { appendInt(i); return *this; }
StringInputStream &operator<<(unsigned i) { appendInt(i); return *this; }
StringInputStream &operator<<(quint64 i) { appendInt(i); return *this; }
StringInputStream &operator<<(qint64 i) { appendInt(i); return *this; }
// Stream a modifier by invoking it
StringInputStream &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);
QString &m_target;
int m_integerBase = 10;
bool m_hexPrefix = false;
int m_width = 0;
};
template <class IntType>
void StringInputStream::appendInt(IntType i)
{
const bool hexPrefix = m_integerBase == 16 && m_hexPrefix;
if (hexPrefix)
m_target.append("0x");
const QString n = QString::number(i, m_integerBase);
if (m_width > 0) {
int pad = m_width - n.size();
if (hexPrefix)
pad -= 2;
if (pad > 0)
m_target.append(QString('0', QLatin1Char(pad)));
}
m_target.append(n);
}
// Streamable modifiers for StringInputStream
void hexPrefixOn(StringInputStream &bs);
void hexPrefixOff(StringInputStream &bs);
void hex(StringInputStream &bs);
void dec(StringInputStream &bs);
void blankSeparator(StringInputStream &bs);
// Bytearray parse helpers
QByteArray trimFront(QByteArray in);
QByteArray trimBack(QByteArray in);
QByteArray simplify(const QByteArray &inIn);
} // namespace Internal
} // namespace Debugger
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