xmrig/src/base/tools/String.h
2019-01-09 16:43:36 +07:00

104 lines
3.7 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 2016-2018 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_STRING_H
#define XMRIG_STRING_H
#include <utility>
#include <vector>
#include "rapidjson/fwd.h"
namespace xmrig {
/**
* @brief Simple C string wrapper.
*
* 1. I know about std:string.
* 2. For some reason I prefer don't use std:string in miner, eg because of file size of MSYS2 builds.
* 3. nullptr and JSON conversion supported.
*/
class String
{
public:
inline String() : m_data(nullptr), m_size(0) {}
inline String(char *str) : m_data(str), m_size(str == nullptr ? 0 : strlen(str)) {}
inline String(String &&other) : m_data(other.m_data), m_size(other.m_size) { other.m_data = nullptr; other.m_size = 0; }
String(const char *str);
String(const char *str, size_t size);
String(const String &other);
inline ~String() { delete [] m_data; }
bool isEqual(const char *str) const;
bool isEqual(const String &other) const;
inline bool contains(const char *str) const { return isNull() ? false : strstr(m_data, str) != nullptr; }
inline bool isEmpty() const { return size() == 0; }
inline bool isNull() const { return m_data == nullptr; }
inline char *data() { return m_data; }
inline const char *data() const { return m_data; }
inline size_t size() const { return m_size; }
inline bool operator!=(const char *str) const { return !isEqual(str); }
inline bool operator!=(const String &other) const { return !isEqual(other); }
inline bool operator<(const String &str) const { return strcmp(data(), str.data()) < 0; }
inline bool operator==(const char *str) const { return isEqual(str); }
inline bool operator==(const String &other) const { return isEqual(other); }
inline operator const char*() const { return m_data; }
inline String &operator=(char *str) { move(str); return *this; }
inline String &operator=(const char *str) { copy(str); return *this; }
inline String &operator=(const String &str) { copy(str); return *this; }
inline String &operator=(String &&other) { move(std::move(other)); return *this; }
rapidjson::Value toJSON() const;
rapidjson::Value toJSON(rapidjson::Document &doc) const;
std::vector<xmrig::String> split(char sep) const;
static String join(const std::vector<xmrig::String> &vec, char sep);
private:
void copy(const char *str);
void copy(const String &other);
void move(char *str);
void move(String &&other);
char *m_data;
size_t m_size;
};
} /* namespace xmrig */
#endif /* XMRIG_STRING_H */