Buffer.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                       SIMPLY POWERFUL TOOLKIT (SPTK)                         ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
│                                                                              │
│   This library 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 Library   │
│   General Public License for more details.                                   │
│                                                                              │
│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
│                                                                              │
│   Please report all bugs and problems to alexeyp@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#include <sptk5/BufferStorage.h>
 
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <memory>
#include <string>
 
namespace sptk {
 
class SP_EXPORT Buffer
    : public BufferStorage
{
 
public:
    using BufferStorage::BufferStorage;
 
    explicit Buffer(const String& str);
 
    Buffer(const Buffer& other) = default;
 
    Buffer(Buffer&& other) noexcept = default;
 
    ~Buffer() noexcept override = default;
 
    Buffer& operator=(Buffer&& other) DOESNT_THROW = default;
 
    Buffer& operator=(const Buffer& other) = default;
 
    void append(char ch) override
    {
        BufferStorage::append(ch);
    }
 
    void append(const char* data, size_t sz = 0) override
    {
        BufferStorage::append(data, sz);
    }
 
    void append(const uint8_t* data, size_t sz) override
    {
        BufferStorage::append(data, sz);
    }
 
    template<class T>
    void append(T val)
    {
        append((char*) &val, sizeof(val));
    }
 
    void append(const std::string& str)
    {
        return append(str.c_str(), str.length());
    }
 
    void append(const String& str)
    {
        return append(str.c_str(), str.length());
    }
 
    void append(const Buffer& buffer)
    {
        return append(buffer.data(), buffer.bytes());
    }
 
    uint8_t& operator[](size_t index)
    {
        return data()[index];
    }
 
    const uint8_t& operator[](size_t index) const
    {
        return data()[index];
    }
 
    bool operator==(const Buffer& other) const;
 
    bool operator!=(const Buffer& other) const;
 
    void loadFromFile(const fs::path& fileName);
 
    void saveToFile(const fs::path& fileName) const;
 
    Buffer& operator=(const String& str);
 
    Buffer& operator=(const char* str);
 
    explicit operator String() const
    {
        return String((const char*) data(), bytes());
    }
};
 
using SBuffer = std::shared_ptr<Buffer>;
 
SP_EXPORT std::ostream& operator<<(std::ostream&, const Buffer& buffer);
 
} // namespace sptk