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