callback_file.h

// Copyright 2017 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
 
#include <cstdint>
 
#include <packager/file.h>
 
namespace shaka {
 
class CallbackFile : public File {
 public:
  CallbackFile(const char* file_name, const char* mode);
 
  bool Close() override;
  int64_t Read(void* buffer, uint64_t length) override;
  int64_t Write(const void* buffer, uint64_t length) override;
  void CloseForWriting() override;
  int64_t Size() override;
  bool Flush() override;
  bool Seek(uint64_t position) override;
  bool Tell(uint64_t* position) override;
 
 protected:
  ~CallbackFile() override;
 
  bool Open() override;
 
 private:
  CallbackFile(const CallbackFile&) = delete;
  CallbackFile& operator=(const CallbackFile&) = delete;
 
  const BufferCallbackParams* callback_params_ = nullptr;
  std::string name_;
  std::string file_mode_;
};
 
}  // namespace shaka