InputStream.h

 
#ifndef MFRAME_029349A4_F909_41C7_AC18_0DE3B02FAB01
#define MFRAME_029349A4_F909_41C7_AC18_0DE3B02FAB01
 
/* ***************************************************************************************
 * Include
 */
 
//----------------------------------------------------------------------------------------
// 引入必要的頭文件
//----------------------------------------------------------------------------------------
#include "./../io/CompletionHandler.h"
#include "./../lang/Appendable.h"
#include "./../util/Future.h"
 
/* ***************************************************************************************
 * Namespace
 */
namespace ufm::io {
  struct InputStream;  // 定義InputStream結構體
}  // namespace ufm::io
 
/* ***************************************************************************************
 * Class/Interface/Struct/Enum
 */
 
struct ufm::io::InputStream{
  virtual bool abortRead(void) abstract;
 
  virtual bool readBusy(void) abstract;
 
  virtual bool read(ufm::lang::Appendable&           appendable,
                    void*                            attachment,
                    ufm::io::CompletionHandler<int>* handler) abstract;
 
  inline bool read(ufm::lang::Appendable& appendable, ufm::util::Future<int>& future) {
    if (future.isBusy()) return false;
 
    future.setWait();
    if (this->read(appendable, nullptr, &future)) return true;
 
    future.failed(nullptr);
    return false;
  }
};
 
/* ***************************************************************************************
 * End of file
 */
 
#endif /* MFRAME_029349A4_F909_41C7_AC18_0DE3B02FAB01 */