monero/contrib/epee/include/readline_buffer.h

#pragma once

#include <streambuf>
#include <sstream>
#include <iostream>
#include <vector>
#include <algorithm>

namespace rdln
{
  class readline_buffer : public std::stringbuf
  {
  public:
    readline_buffer();
    void start();
    void stop();
    int process();
    bool is_running() const
    {
      return m_cout_buf != NULL;
    }
    void get_line(std::string& line) const;
    void set_prompt(const std::string& prompt);
    static void add_completion(const std::string& command)
    {
      if(std::find(completion_commands.begin(), completion_commands.end(), command) != completion_commands.end())
	return;
      completion_commands.push_back(command);
    }
    static const std::vector<std::string>& get_completions()
    {
      return completion_commands;
    }
    
  protected:
    virtual int sync();
    
  private:
    std::streambuf* m_cout_buf;
    static std::vector<std::string> completion_commands;
  };
  
  class suspend_readline
  {
  public:
    suspend_readline();
    ~suspend_readline();
  private:
    readline_buffer* m_buffer;
    bool m_restart;
  };
}