Resource.hpp

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#ifndef DART_COMMON_RESOURCE_HPP_
#define DART_COMMON_RESOURCE_HPP_
 
#include <cstddef>
#include <memory>
#include <string>
 
namespace dart {
namespace common {
 
class Resource
{
public:
  enum SeekType
  {
    SEEKTYPE_CUR, 
    SEEKTYPE_END, 
    SEEKTYPE_SET  
  };
 
  virtual ~Resource() = default;
 
  virtual std::size_t getSize() = 0;
 
  virtual std::size_t tell() = 0;
 
  virtual bool seek(ptrdiff_t _offset, SeekType _origin) = 0;
 
  virtual std::size_t read(void* _buffer, std::size_t _size, std::size_t _count)
      = 0;
 
  virtual std::string readAll();
};
 
using ResourcePtr = std::shared_ptr<Resource>;
 
} // namespace common
} // namespace dart
 
#endif // ifndef DART_COMMON_RESOURCE_HPP_