monero/contrib/epee/include/readline_buffer.h
moneromooo-monero 8f3c793749
readline_buffer: fix "cursor in prompt" bug
It happens when readline displays a prompt just before switching
to a shorter one
2018-10-12 21:03:59 +00:00

44 lines
895 B
C++

#pragma once
#include <streambuf>
#include <sstream>
#include <vector>
namespace rdln
{
typedef enum { empty, partial, full } linestatus;
class readline_buffer : public std::stringbuf
{
public:
readline_buffer();
void start();
void stop();
bool is_running() const
{
return m_cout_buf != NULL;
}
linestatus get_line(std::string& line) const;
void set_prompt(const std::string& prompt);
static void add_completion(const std::string& command);
static const std::vector<std::string>& get_completions();
protected:
virtual int sync();
private:
std::streambuf* m_cout_buf;
size_t m_prompt_length;
static std::vector<std::string>& completion_commands();
};
class suspend_readline
{
public:
suspend_readline();
~suspend_readline();
private:
readline_buffer* m_buffer;
bool m_restart;
};
}