/*
* An example of a callback handling a complex syntax
*/
int
letters(cligen_handle h, cvec *vars, cg_var *arg)
{
char *str;
cg_var *cv;
if ((str = cvec_find_str(vars, "ca")) != NULL)
printf("%s\n", str);
if ((cv = cvec_find(vars, "int")) != NULL)
printf("%d\n", cv_int32_get(cv));
if ((str = cvec_find_str(vars, "cb")) != NULL)
printf("%s\n", str);
if ((str = cvec_find_str(vars, "dd")) != NULL)
printf("%s\n", str);
if ((str = cvec_find_str(vars, "ee")) != NULL)
printf("%s\n", str);
return 0;
}
/*
* This callback changes the prompt to the variable setting
*/
int
setprompt(cligen_handle h, cvec *vars, cg_var *arg)
{
char *str;
if ((str = cvec_find_str(vars, "new")) != NULL)
cligen_prompt_set(h, str);
return 0;
}
/* Main */
int
main(int argc, char *argv[])
{
cligen_handle h;
int retval = -1;
parse_tree *pt;
FILE *f = stdin;
char *argv0 = argv[0];
char *filename=NULL;
cvec *globals; /* global variables from syntax */
char *str;
argv++;argc--;
for (;(argc>0)&& *argv; argc--, argv++){
if (**argv != '-')
break;
(*argv)++;
if (strlen(*argv)==0)
usage(argv0);
switch(**argv) {
case 'h': /* help */
usage(argv0); /* usage exits */
break;
case 'f' :
argc--;argv++;
filename = *argv;
if ((f = fopen(filename, "r")) == NULL){
fprintf(stderr, "fopen %s: %s\n", filename, strerror(errno));
exit(1);
}
break;
default:
usage(argv0);
break;
}
}
if ((h = cligen_init()) == NULL)
goto done;
if ((globals = cvec_new(0)) == NULL)
goto done;
if (cligen_parse_file(h, f, filename, NULL, globals) < 0)
goto done;
pt = NULL;
while ((pt = cligen_tree_each(h, pt)) != NULL) {
if (cligen_callback_str2fn(*pt, str2fn, NULL) < 0) /* map functions */
goto done;
if (cligen_expand_str2fn(*pt, str2fn_exp, NULL) < 0)
goto done;
}
if ((str = cvec_find_str(globals, "prompt")) != NULL)
cligen_prompt_set(h, str);
if ((str = cvec_find_str(globals, "comment")) != NULL)
cligen_comment_set(h, *str);
if ((str = cvec_find_str(globals, "tabmode")) != NULL)
cligen_tabmode_set(h, strcmp(str,"long") == 0);
cvec_free(globals);
pt = NULL;
while ((pt = cligen_tree_each(h, pt)) != NULL) {
printf("Syntax:\n");
cligen_print(stdout, *pt, 0);
}
fflush(stdout);
if (cligen_loop(h) < 0)
goto done;
retval = 0;
done:
fclose(f);
cligen_exit(h);
return retval;
}
/* Main */
int
main(int argc, char *argv[])
{
int retval = -1;
parse_tree *pt;
FILE *f = stdin;
char *argv0 = argv[0];
char *filename=NULL;
cvec *globals; /* global variables from syntax */
cligen_handle h;
char *str;
int quit = 0;
int print_syntax = 0;
argv++;argc--;
for (;(argc>0)&& *argv; argc--, argv++){
if (**argv != '-')
break;
(*argv)++;
if (strlen(*argv)==0)
usage(argv0);
switch(**argv) {
case 'h': /* help */
usage(argv0); /* usage exits */
break;
case 'q': /* quit directly */
quit++;
break;
case 'p': /* print syntax */
print_syntax++;
break;
case 'f' :
argc--;argv++;
filename = *argv;
if ((f = fopen(filename, "r")) == NULL){
fprintf(stderr, "fopen(%s): %s\n", filename, strerror(errno));
exit(1);
}
break;
default:
usage(argv0);
break;
}
}
if ((h = cligen_init()) == NULL)
goto done;
cligen_lexicalorder_set(h, 1);
cligen_ignorecase_set(h, 1);
// cligen_parse_debug(1);
if ((globals = cvec_new(0)) == NULL)
goto done;
if (cligen_parse_file(h, f, filename?filename:"stdin", NULL, globals) < 0)
goto done;
pt = cligen_tree_i(h, 0);
/* map functions */
if (pt && cligen_callbackv_str2fn(*pt, str2fn, NULL) < 0)
goto done;
if ((str = cvec_find_str(globals, "prompt")) != NULL)
cligen_prompt_set(h, str);
if ((str = cvec_find_str(globals, "tabmode")) != NULL)
if (strcmp(str,"long") == 0)
cligen_tabmode_set(h, CLIGEN_TABMODE_COLUMNS);
if ((str = cvec_find_str(globals, "comment")) != NULL)
cligen_comment_set(h, *str);
if ((str = cvec_find_str(globals, "mode")) != NULL)
cligen_tree_active_set(h, str);
cvec_free(globals);
if (print_syntax){
cligen_print(stdout, *pt, 0);
fflush(stdout);
}
if (quit)
goto done;
if (cligen_loop(h) < 0)
goto done;
retval = 0;
done:
fclose(f);
if (h)
cligen_exit(h);
return retval;
}
/* Main */
int
main(int argc, char *argv[])
{
int retval = -1;
parse_tree pt = {0,};
int callback_ret = 0;
FILE *f = stdin;
char *argv0 = argv[0];
char *line;
char *filename=NULL;
cvec *globals; /* global variables from syntax */
cligen_handle h;
char *str;
char *treename;
int quit = 0;
int print_syntax = 0;
argv++;argc--;
for (;(argc>0)&& *argv; argc--, argv++){
if (**argv != '-')
break;
(*argv)++;
if (strlen(*argv)==0)
usage(argv0);
switch(**argv) {
case 'h': /* help */
usage(argv0); /* usage exits */
break;
case 'q': /* quit directly */
quit++;
break;
case 'p': /* print syntax */
print_syntax++;
break;
case 'f' :
argc--;argv++;
filename = *argv;
if ((f = fopen(filename, "r")) == NULL){
fprintf(stderr, "fopen(%s): %s\n", filename, strerror(errno));
exit(1);
}
break;
default:
usage(argv0);
break;
}
}
if ((h = cligen_init()) == NULL)
goto done;
cligen_lexicalorder_set(h, 1);
cligen_ignorecase_set(h, 1);
// cligen_parse_debug(1);
if ((globals = cvec_new(0)) == NULL)
goto done;
if (cligen_parse_file(h, f, filename?filename:"stdin", &pt, globals) < 0)
goto done;
/* map functions */
if (cligen_callback_str2fn(pt, str2fn, NULL) < 0)
goto done;
// if (cligen_expand_register(pt, cli_expand_fn) < 0)
// goto done;
if (cligen_expand_str2fn(pt, (expand_str2fn_t *)expand_str2fn, NULL) < 0)
goto done;
if ((str = cvec_find_str(globals, "prompt")) != NULL)
cligen_prompt_set(h, str);
if ((str = cvec_find_str(globals, "tabmode")) != NULL)
cligen_tabmode_set(h, strcmp(str,"long") == 0);
if ((str = cvec_find_str(globals, "comment")) != NULL)
cligen_comment_set(h, *str);
if ((treename = cvec_find_str(globals, "name")) == NULL)
treename = "tree0";
cligen_tree_active_set(h, treename);
cligen_tree_add(h, treename, pt);
cvec_free(globals);
if (quit)
goto done;
if (print_syntax){
printf("Syntax:\n");
cligen_print(stdout, pt, 0);
fflush(stdout);
}
/* Run the CLI command interpreter */
while (!cligen_exiting(h)){
switch (cliread_eval(h, &line, &callback_ret)){
case CG_EOF: /* eof */
goto done;
break;
case CG_ERROR: /* cligen match errors */
printf("CLI read error\n");
goto done;
case CG_NOMATCH: /* no match */
printf("CLI syntax error in: \"%s\": %s\n", line, cligen_nomatch(h));
break;
case CG_MATCH: /* unique match */
if (callback_ret < 0)
printf("CLI callback error\n");
break;
default: /* multiple matches */
printf("Ambigous command\n");
break;
}
}
retval = 0;
done:
fclose(f);
cligen_exit(h);
return retval;
}
