byte_stream.hh

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#ifndef SPONGE_LIBSPONGE_BYTE_STREAM_HH
#define SPONGE_LIBSPONGE_BYTE_STREAM_HH
 
#include <string>
 
 
class ByteStream {
  private:
    // Your code here -- add private members as necessary.
 
    // Hint: This doesn't need to be a sophisticated data structure at
    // all, but if any of your tests are taking longer than a second,
    // that's a sign that you probably want to keep exploring
    // different approaches.
 
    bool _error{};  
 
  public:
    ByteStream(const size_t capacity);
 
 
    size_t write(const std::string &data);
 
    size_t remaining_capacity() const;
 
    void end_input();
 
    void set_error() { _error = true; }
 
 
    std::string peek_output(const size_t len) const;
 
    void pop_output(const size_t len);
 
    std::string read(const size_t len);
 
    bool input_ended() const;
 
    bool error() const { return _error; }
 
    size_t buffer_size() const;
 
    bool buffer_empty() const;
 
    bool eof() const;
 
 
    size_t bytes_written() const;
 
    size_t bytes_read() const;
};
 
#endif  // SPONGE_LIBSPONGE_BYTE_STREAM_HH