null_input_stream.h

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#pragma once
 
#include "roo_io/core/multipass_input_stream.h"
 
namespace roo_io {
 
class NullInputStream : public MultipassInputStream {
 public:
  NullInputStream(Status error = kClosed) : status_(error) {}
 
  bool isOpen() const override { return false; }
 
  void close() override {}
 
  size_t read(byte* buf, size_t count) override { return 0; }
 
  void skip(uint64_t count) override {}
 
  Status status() const override { return status_; }
 
  uint64_t size() override { return 0; }
 
  uint64_t position() const override { return 0; }
 
  void seek(uint64_t offset) override {}
 
 private:
  Status status_;
};
 
}  // namespace roo_io