memory_stream.hpp

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#pragma once
#include "stream.hpp"
#include "../collections/generic/list.hpp"
#include "../new_ptr.hpp"
 
namespace xtd {
  namespace io {
    class core_export_ memory_stream :  public xtd::io::stream {
    public:
      
      memory_stream();
      memory_stream(xtd::size capacity);
      
      
      bool can_read() const noexcept override;
 
      bool can_seek() const noexcept override;
 
      bool can_write() const noexcept override;
 
      xtd::size capacity() const;
      void capacity(xtd::size value);
 
      xtd::size length() const override;
 
      xtd::size position() const override;
      void position(xtd::size value) override;
      
      
      void flush() override;
      
      using xtd::io::stream::read;
      xtd::size read(xtd::array<xtd::byte>& buffer, size offset, size count) override;
      
      xtd::size seek(std::streamoff offset, seek_origin loc);
 
      void set_length(xtd::size value) override;
 
      xtd::array<xtd::byte> to_array() const;
      
      using xtd::io::stream::write;
      void write(const xtd::array<xtd::byte>& buffer, size offset, size count) override;
      
      void write_to(std::ostream& stream);
    private:
      xtd::byte abstract_read_byte_unchecked();
      void abstract_write_byte_unchecked(xtd::byte b);
 
      struct data {
        xtd::array<byte>* static_buffer = null;
        xtd::collections::generic::list<byte> dynamic_buffer;
        xtd::size position = 0;
        bool writable = true;
      };
      ptr<data> data_ = new_ptr<data>();
    };
  }
}