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/*
  Copyright (c) 2013 Arduino LLC. All right reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/

#ifndef CONSOLE_H_
#define CONSOLE_H_

#include <Bridge.h>

class ConsoleClass : public Stream {
public:
  // Default constructor uses global Bridge instance
  ConsoleClass();
  // Constructor with a user provided BridgeClass instance
  ConsoleClass(BridgeClass &_b);
  ~ConsoleClass();
  
  void begin();
  void end();

  void buffer(uint8_t size);
  void noBuffer();

  bool connected();

  // Stream methods 
  // (read from console socket)
  int available();
  int read();
  int peek();
  // (write to console socket)
  size_t write(uint8_t);
  size_t write(const uint8_t *buffer, size_t size);
  void flush();
  
  operator bool () { return connected(); }
  
private:
  BridgeClass &bridge;

  void doBuffer();
  uint8_t inBuffered;
  uint8_t inReadPos;
  static const int BUFFER_SIZE = 32;
  uint8_t *inBuffer;
  
  bool autoFlush;
  uint8_t outBuffered;
  uint8_t outBufferSize;
  uint8_t *outBuffer;
};

extern ConsoleClass Console;

#endif