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/**
* @file cmd_extdata.c
* @author Adam Piecek <piecek@cesnet.cz>
* @brief 'extdata' command of the libyang's yanglint tool.
*
* Copyright (c) 2015-2023 CESNET, z.s.p.o.
*
* This source code is licensed under BSD 3-Clause License (the "License").
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*/
#define _GNU_SOURCE
#define _POSIX_C_SOURCE 200809L /* strdup */
#include "cmd.h"
#include <getopt.h>
#include <stdint.h>
#include <stdio.h>
#include "libyang.h"
#include "common.h"
#include "yl_opt.h"
char *filename;
void
cmd_extdata_free(void)
{
free(filename);
filename = NULL;
}
void
cmd_extdata_help(void)
{
printf("Usage: extdata [--clear] [<extdata-file-path>]\n"
" File containing the specific data required by an extension. Required by\n"
" the schema-mount extension, for example, when the operational data are\n"
" expected in the file. File format is guessed.\n");
}
int
cmd_extdata_opt(struct yl_opt *yo, const char *cmdline, char ***posv, int *posc)
{
int rc = 0, argc = 0;
int opt, opt_index;
struct option options[] = {
{"clear", no_argument, NULL, 'c'},
{"help", no_argument, NULL, 'h'},
{NULL, 0, NULL, 0}
};
if ((rc = parse_cmdline(cmdline, &argc, &yo->argv))) {
return rc;
}
while ((opt = getopt_long(argc, yo->argv, commands[CMD_EXTDATA].optstring, options, &opt_index)) != -1) {
switch (opt) {
case 'c':
yo->extdata_unset = 1;
free(filename);
filename = NULL;
break;
case 'h':
cmd_extdata_help();
return 1;
default:
YLMSG_E("Unknown option.");
return 1;
}
}
*posv = &yo->argv[optind];
*posc = argc - optind;
return 0;
}
int
cmd_extdata_dep(struct yl_opt *yo, int posc)
{
if (!yo->extdata_unset && (posc > 1)) {
YLMSG_E("Only one file must be entered.");
return 1;
}
return 0;
}
int
cmd_extdata_exec(struct ly_ctx **ctx, struct yl_opt *yo, const char *posv)
{
if (yo->extdata_unset) {
ly_ctx_set_ext_data_clb(*ctx, NULL, NULL);
} else if (!yo->extdata_unset && !posv) {
/* no argument - print the current file */
printf("%s\n", filename ? filename : "No file set.");
} else if (posv) {
/* set callback providing run-time extension instance data */
free(filename);
filename = strdup(posv);
if (!filename) {
YLMSG_E("Memory allocation error.");
return 1;
}
ly_ctx_set_ext_data_clb(*ctx, ext_data_clb, filename);
}
return 0;
}
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