MemoryBufferBackedFileContents.h

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#pragma once
 
#include "FileContents.h"
 
namespace Cogs {
  struct COGSFOUNDATION_API MemoryBufferBackedFileContents : public FileContents {
    Memory::MemoryBuffer  bytes;
    std::string           path;
 
    MemoryBufferBackedFileContents(Memory::MemoryBuffer&& buffer, const std::string& path, FileContentsHints hints)
      : FileContents(static_cast<const uint8_t*>(buffer.data()), buffer.size(), hints),
      bytes(std::move(buffer)),
      path(path)
    {}
 
    MemoryBufferBackedFileContents(size_t size, const std::string& path, FileContentsHints hints) : FileContents(nullptr, size, hints), bytes(size), path(path) {
      ptr = static_cast<const uint8_t*>(bytes.data());
    }
 
    MemoryBufferBackedFileContents(void* data, size_t size, FileContentsHints hints) : FileContents(nullptr, size, hints) {
      bytes.write(data, size);
      ptr = static_cast<const uint8_t*>(bytes.data());
    }
 
    [[nodiscard]] Memory::MemoryBuffer  take() override       { return (ptr == bytes.data()) ? std::move(bytes) : takeCopy(); }
    [[nodiscard]] StringView            origin() override     { return path; }
  };
}