JsonMemoryBufferStream.h

#pragma once
 
#include "Foundation/Memory/MemoryBuffer.h"
#include <cassert>
 
namespace Cogs {
  namespace Core {
    class JsonMemoryBufferStream {
    public:
      using   Ch = char;
 
              JsonMemoryBufferStream(Memory::MemoryBuffer& buffer) : mBuffer(buffer) {}
 
              char Peek() const             { return static_cast<const char*>(mBuffer.data())[mBuffer.pos()]; }
 
              char Take()                   { return mBuffer.read8(); }
 
              size_t Tell()                 { return mBuffer.pos(); }
 
              char* PutBegin() { assert(false);  return nullptr; }
 
              void Put(char c)              { mBuffer.write8(c); }
 
              void Flush()                  {}
 
              size_t PutEnd(char* begin)    { return mBuffer.pos() - reinterpret_cast<intptr_t>(begin); }
 
    private:
              Memory::MemoryBuffer&   mBuffer;
    };
  }
}