REDACTED-rig/src/base/tools/Buffer.h
2019-09-12 00:01:03 +07:00

93 lines
4 KiB
C++

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2018-2019 SChernykh <https://github.com/SChernykh>
* Copyright 2016-2019 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef XMRIG_BUFFER_H
#define XMRIG_BUFFER_H
#include "base/tools/String.h"
namespace xmrig {
class Buffer
{
public:
Buffer() = default;
Buffer(Buffer &&other) noexcept;
Buffer(const Buffer &other);
Buffer(const char *data, size_t size);
Buffer(size_t size);
~Buffer();
inline bool isEmpty() const { return size() == 0; }
inline bool isEqual(const Buffer &other) const { return m_size == other.m_size && (m_size == 0 || memcmp(m_data, other.m_data, m_size) == 0); }
inline char *data() { return m_data; }
inline const char *data() const { return m_data; }
inline size_t size() const { return m_size; }
inline void from(const Buffer &other) { from(other.data(), other.size()); }
void from(const char *data, size_t size);
inline bool operator!=(const Buffer &other) const { return !isEqual(other); }
inline bool operator==(const Buffer &other) const { return isEqual(other); }
inline Buffer &operator=(Buffer &&other) noexcept { move(std::move(other)); return *this; }
inline Buffer &operator=(const Buffer &other) { from(other); return *this; }
static Buffer allocUnsafe(size_t size);
static inline Buffer alloc(size_t size) { return Buffer(size); }
inline static bool fromHex(const char *in, size_t size, char *out) { return fromHex(reinterpret_cast<const uint8_t *>(in), size, reinterpret_cast<uint8_t *>(out)); }
inline static bool fromHex(const char *in, size_t size, uint8_t *out) { return fromHex(reinterpret_cast<const uint8_t *>(in), size, out); }
inline static Buffer fromHex(const char *data) { return fromHex(data, strlen(data)); }
inline static Buffer fromHex(const String &str) { return fromHex(str.data(), str.size()); }
inline static String toHex(const char *in, size_t size) { return Buffer(in, size).toHex(); }
inline static String toHex(const uint8_t *in, size_t size) { return Buffer(reinterpret_cast<const char *>(in), size).toHex(); }
inline static void toHex(const char *in, size_t size, char *out) { return toHex(reinterpret_cast<const uint8_t *>(in), size, reinterpret_cast<uint8_t *>(out)); }
inline static void toHex(const uint8_t *in, size_t size, char *out) { return toHex(in, size, reinterpret_cast<uint8_t *>(out)); }
static bool fromHex(const uint8_t *in, size_t size, uint8_t *out);
static Buffer fromHex(const char *data, size_t size);
static void toHex(const uint8_t *in, size_t size, uint8_t *out);
String toHex() const;
private:
void copy(const char *data, size_t size);
void move(Buffer &&other);
char *m_data = nullptr;
size_t m_size = 0;
};
} /* namespace xmrig */
#endif /* XMRIG_BUFFER_H */