cli2/example.c at master · jmswu/cli2 · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/* CLI2 Library
 * Author: James Wu
 * Email : jameswu62@yahoo.co.nz
 */

#include <stdio.h>
#include <stdlib.h>
#include "cli2.h"

/* comment this out for static construction example */
#define CLI2_DYNAMIC_CREATION_EXAMPLE

void cmd_help(char *cmd, void *arg0, void *arg1);   /* command help callback */
void cmd_cmd1(char *cmd, void *arg0, void *arg1);   /* command1 callback */
void cmd_cmd2(char *cmd, void *arg0, void *arg1);   /* command2 callback */
void cmd_cmd3(char *cmd, void *arg0, void *arg1);   /* command3 callback */
void cmd_error(Cli_Handler handle);                 /* command error callback */


#ifndef CLI2_DYNAMIC_CREATION_EXAMPLE

Cli_Obj cli_obj;                // make cli object
Cli_Data cli_data[10];          // reverse memory for up to 10 cli

#endif


int main(char *argv[], int argc){

#ifdef CLI2_DYNAMIC_CREATION_EXAMPLE

    printf("Showing dynamic creation example.\n");

    /* Create a cli object that can support up to 10 CLI */
    Cli_Handler cli_handler = Cli_Create_Object(10, cmd_error);

#else

    printf("Showing static construction example.\n");

    /* Construct a cli object */
    Cli_Handler cli_handler;
    cli_handler = Cli_Construct(&cli_obj,
        cli_data,
        sizeof(cli_data)/sizeof(cli_data[0]),
        cmd_error);

#endif

    /* Assemble command and function */
    Cli_Data cli_cmd_help;
    Cli_Data cli_cmd1;
    Cli_Data cli_cmd2;
    Cli_Data cli_cmd3;

    Cli_Data_init(&cli_cmd_help);
    Cli_Data_init(&cli_cmd1);
    Cli_Data_init(&cli_cmd2);
    Cli_Data_init(&cli_cmd3);

    int arg_help = 100;
    int arg1 = 1;
    int arg2 = 2;
    int arg3 = 3;

    cli_cmd_help.cmd = "help";
    cli_cmd_help.cb = cmd_help;
    cli_cmd_help.arg0 = &arg_help;

    cli_cmd1.cmd = "cmd1";
    cli_cmd1.cb = cmd_cmd1;
    cli_cmd1.arg0 = &arg1;

    cli_cmd2.cmd = "cmd2";
    cli_cmd2.cb = cmd_cmd2;
    cli_cmd2.arg0 = &arg2;

    cli_cmd3.cmd = "cmd3";
    cli_cmd3.cb = cmd_cmd3;
    cli_cmd3.arg0 = &arg3;

    /* Add command data to cli object */
    Cli_Add(cli_handler, &cli_cmd_help);
    Cli_Add(cli_handler, &cli_cmd1);
    Cli_Add(cli_handler, &cli_cmd2);
    Cli_Add(cli_handler, &cli_cmd3);

    char buffer[256];           /* tmp buffer for input string */
    printf("cmd:>");            /* command prompt */
    fgets(buffer, 256, stdin);  /* get user input */

    Cli_Scan(cli_handler, buffer);  /* process user input */


#ifdef CLI2_DYNAMIC_CREATION_EXAMPLE

    /* free memory */
    Cli_Free_Object(cli_handler);

#endif

    return 0;
}

void cmd_help(char *cmd, void *arg0, void *arg1){
    int *data = (int *)arg0;
    printf("Hello, this a help command, arg0=%d\n", *data);
}

void cmd_cmd1(char *cmd, void *arg0, void *arg1){
    int *data = (int *)arg0;
    printf("Hello, this a cmd1, arg0=%d\n", *data);
}

void cmd_cmd2(char *cmd, void *arg0, void *arg1){
    int *data = (int *)arg0;
    printf("Hello, this a cmd2, arg0=%d\n", *data);
}

void cmd_cmd3(char *cmd, void *arg0, void *arg1){
    int *data = (int *)arg0;
    printf("Hello, this a cmd3, arg0=%d\n", *data);
}

void cmd_error(Cli_Handler handle){
    printf("Command error\n");
    printf("try:\n");
    for(int i = 0; i < handle->index; i++){
        printf("%s\n", handle->cmd_list[i].cmd);
    }
}