DynamicBuffer.h

#pragma once
 
#include "IO/Buffer/Buffer.h"
 
namespace Devel::IO {
    class CDynamicBuffer : public IBuffer {
    public:
        CDynamicBuffer();
 
        CDynamicBuffer(const size_t i_nSize);
 
        CDynamicBuffer(const CDynamicBuffer &i_oOther) {
            this->operator=(i_oOther);
        }
 
        CDynamicBuffer(CDynamicBuffer &&i_oOther) noexcept {
            this->operator=(std::move(i_oOther));
        }
 
        virtual ~CDynamicBuffer();
 
    private:
        void deleteBuffer();
 
    private:
        void checkBuffer() {
            if (!this->m_pBuffer) {
                throw NoBufferException;
            }
        }
 
    public:
        void reallocate(const size_t i_nSize);
 
    public:
        const char *buffer() const override { return this->m_pBuffer; }
 
        char *rawBuffer() const override { return this->m_pBuffer; }
 
        [[nodiscard]] size_t size() const override { return this->m_nSize; }
 
        [[nodiscard]] size_t allocatedSize() const { return this->m_nAllocatedSize; }
 
    public:
        const char &operator[](const size_t i_nIndex) {
            if (this->checkBuffer(); i_nIndex > this->m_nSize) {
                throw IndexOutOfRangeException;
            }
            return this->m_pBuffer[i_nIndex];
        }
 
        void operator=(const CDynamicBuffer &i_oOther) {
            this->m_nAllocatedSize = i_oOther.m_nAllocatedSize;
            this->m_pBuffer = new char[this->m_nAllocatedSize];
            this->m_nSize = i_oOther.m_nSize;
            memcpy(this->m_pBuffer, i_oOther.m_pBuffer, this->m_nSize);
        }
 
        void operator=(CDynamicBuffer &&i_oOther) noexcept {
            this->m_pBuffer = i_oOther.m_pBuffer;
            this->m_nSize = i_oOther.m_nSize;
            this->m_nAllocatedSize = i_oOther.m_nAllocatedSize;
            i_oOther.m_pBuffer = nullptr;
            i_oOther.m_nSize = 0;
            i_oOther.m_nAllocatedSize = 0;
        }
 
    private:
        char *m_pBuffer;
 
        size_t m_nSize;
 
        size_t m_nAllocatedSize;
    };
}