gaming-core/utils/Buffer.h

#ifndef BUFFER_H
#define BUFFER_H

#include <cstring>

#include "memory/StackAllocator.h"

class Buffer {
    StackAllocator::Array<char> data;
    int length = 0;

public:
    Buffer(int n);

    template<typename T>
    Buffer& add(const T& t) {
        int bytes = data.getLength() - length;
        if(bytes > static_cast<int>(sizeof(T))) {
            bytes = sizeof(T);
        } else if(data.grow(data.getLength()) > 0) {
            return add(t);
        }
        memcpy(data + length, &t, bytes);
        length += bytes;
        return *this;
    }

    int getLength() const;

    operator const char*() const;
};

#endif