include/qemu/readline.h

   1 #ifndef READLINE_H
   2 #define READLINE_H
   3
   4 #define READLINE_CMD_BUF_SIZE 4095
   5 #define READLINE_MAX_CMDS 64
   6 #define READLINE_MAX_COMPLETIONS 256
   7
   8 typedef void ReadLinePrintfFunc(void *opaque, const char *fmt, ...);
   9 typedef void ReadLineFlushFunc(void *opaque);
  10 typedef void ReadLineFunc(void *opaque, const char *str,
  11                           void *readline_opaque);
  12 typedef void ReadLineCompletionFunc(void *opaque,
  13                                     const char *cmdline);
  14
  15 typedef struct ReadLineState {
  16     char cmd_buf[READLINE_CMD_BUF_SIZE + 1];
  17     int cmd_buf_index;
  18     int cmd_buf_size;
  19
  20     char last_cmd_buf[READLINE_CMD_BUF_SIZE + 1];
  21     int last_cmd_buf_index;
  22     int last_cmd_buf_size;
  23
  24     int esc_state;
  25     int esc_param;
  26
  27     char *history[READLINE_MAX_CMDS];
  28     int hist_entry;
  29
  30     ReadLineCompletionFunc *completion_finder;
  31     char *completions[READLINE_MAX_COMPLETIONS];
  32     int nb_completions;
  33     int completion_index;
  34
  35     ReadLineFunc *readline_func;
  36     void *readline_opaque;
  37     int read_password;
  38     char prompt[256];
  39
  40     ReadLinePrintfFunc *printf_func;
  41     ReadLineFlushFunc *flush_func;
  42     void *opaque;
  43 } ReadLineState;
  44
  45 void readline_add_completion(ReadLineState *rs, const char *str);
  46 void readline_set_completion_index(ReadLineState *rs, int completion_index);
  47
  48 const char *readline_get_history(ReadLineState *rs, unsigned int index);
  49
  50 void readline_handle_byte(ReadLineState *rs, int ch);
  51
  52 void readline_start(ReadLineState *rs, const char *prompt, int read_password,
  53                     ReadLineFunc *readline_func, void *readline_opaque);
  54 void readline_restart(ReadLineState *rs);
  55 void readline_show_prompt(ReadLineState *rs);
  56
  57 ReadLineState *readline_init(ReadLinePrintfFunc *printf_func,
  58                              ReadLineFlushFunc *flush_func,
  59                              void *opaque,
  60                              ReadLineCompletionFunc *completion_finder);
  61
  62 #endif /* !READLINE_H */