DataFetcherBase.h

#pragma once
 
#include "DataFetcherManager.h"
 
#include "Foundation/Platform/IO.h"
 
namespace Cogs {
  ENABLE_ENUM_FLAGS(FileContentsHints);
}
 
namespace Cogs::Core {
  class COGSCORE_DLL_API DataFetcherBase {
  public:
    virtual ~DataFetcherBase() = default;
 
    virtual bool fetchAsync(const std::string& /*fileName*/, const FileContents::Callback& /*callback*/, uint64_t /*offset*/, uint64_t /*size*/, DataFetcherManager::FetchId /*cancellationId*/, FileContentsHints /*hints*/) {
      return false;
    }
 
    virtual void cancelAsyncFetch(DataFetcherManager::FetchId /*cancellationId*/) { }
 
    virtual FileContents::Ptr fetchSync(const std::string& fileName, uint64_t offset, uint64_t size, FileContentsHints hints) {
      return IO::readFileSync(fileName, offset, size, hints);
    }
  };
}