rtbuf/rtbuf/cli.h

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• Hash : 43597ac1
  Author : Thomas de Grivel
  Date : 2020-01-09T15:24:21
  

  import from cli 0.1
  

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• cli.h

• /*
   * Copyright 2018 Thomas de Grivel <thoxdg@gmail.com> +33614550127
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  #ifndef CLI_H
  #define CLI_H
  
  #include <stdio.h>
  #include "form.h"
  
  #define CLI_SIZE 1000
  
  typedef struct cli s_cli;
  typedef struct cli_function s_cli_function;
  typedef int (* f_cli) (int argc, const char *argv[]);
  
  struct cli
  {
    const char *prompt;
    const s_cli_function *functions;
    char line[CLI_SIZE];
    char arg[CLI_SIZE];
    int argc;
    const char *argv[500];
    f_cli f;
  };
  
  void cli_init (s_cli *cli);
  void cli_prompt (s_cli *cli, const char *prompt);
  
  struct cli_function {
    const char *name;
    int arity;           /* negative arity means variable arity */
    f_cli f;
  };
  
  void cli_functions (s_cli *cli, const s_cli_function *functions);
  f_cli cli_find_function (s_cli *cli, const char *name, int arity);
  
  int cli_scan (s_cli *cli);
  int cli_read (s_cli *cli);
  int cli_read_file (s_cli *cli, FILE *fp);
  int cli_eval (s_cli *cli);
  
  #endif /* CLI_H */
  

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