posix_file_input_stream.h

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#include "roo_io/fs/posix/config.h"
 
#if ROO_IO_FS_SUPPORT_POSIX
 
#pragma once
 
#include <memory>
#include <stdio.h>
 
#include "roo_io/core/multipass_input_stream.h"
#include "roo_io/fs/mount_impl.h"
 
namespace roo_io {
 
class PosixFileInputStream : public MultipassInputStream {
 public:
  PosixFileInputStream(Status error);
 
  PosixFileInputStream(std::shared_ptr<MountImpl> mount, FILE* file);
 
  ~PosixFileInputStream();
 
  size_t read(byte* buf, size_t count) override;
 
  void seek(uint64_t offset) override;
 
  void skip(uint64_t count) override;
 
  uint64_t position() const override { return (::ftell(file_)); }
 
  uint64_t size() override;
 
  bool isOpen() const override;
 
  void close() override;
 
  Status status() const override { return status_; }
 
 private:
  std::shared_ptr<MountImpl> mount_;
  FILE* file_;
  mutable Status status_;
};
 
}  // namespace roo_io
 
#endif  // ROO_IO_FS_SUPPORT_POSIX