shaka-packager/packager/file/local_file.h

58 lines
1.5 KiB
C++

// Copyright 2014 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 PACKAGER_FILE_LOCAL_FILE_H_
#define PACKAGER_FILE_LOCAL_FILE_H_
#include <cstdint>
#include <string>
#include <packager/file.h>
#include <packager/macros/classes.h>
namespace shaka {
/// Implement LocalFile which deals with local storage.
class LocalFile : public File {
public:
/// @param file_name C string containing the name of the file to be accessed.
/// @param mode C string containing a file access mode, refer to fopen for
/// the available modes.
LocalFile(const char* file_name, const char* mode);
/// @name File implementation overrides.
/// @{
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;
/// @}
/// Delete a local file.
/// @param file_name is the path of the file to be deleted.
/// @return true if successful, or false otherwise.
static bool Delete(const char* file_name);
protected:
~LocalFile() override;
bool Open() override;
private:
std::string file_mode_;
FILE* internal_file_;
DISALLOW_COPY_AND_ASSIGN(LocalFile);
};
} // namespace shaka
#endif // PACKAGER_FILE_LOCAL_FILE_H_