memory_file.h

// Copyright 2015 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
 
#ifndef MEDIA_FILE_MEDIA_FILE_H_
#define MEDIA_FILE_MEDIA_FILE_H_
 
#include <cstdint>
#include <string>
#include <vector>
 
#include <packager/file.h>
#include <packager/macros/classes.h>
 
namespace shaka {
 
class MemoryFile : public File {
 public:
  MemoryFile(const std::string& file_name, const std::string& 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;
 
  static void DeleteAll();
  static void Delete(const std::string& file_name);
 
 protected:
  ~MemoryFile() override;
  bool Open() override;
 
 private:
  std::string mode_;
  std::vector<uint8_t>* file_;
  uint64_t position_;
 
  DISALLOW_COPY_AND_ASSIGN(MemoryFile);
};
 
}  // namespace shaka
 
#endif  // MEDIA_FILE_MEDIA_FILE_H_