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/**
* @file cmd_add.c
* @author Michal Vasko <mvasko@cesnet.cz>
* @author Radek Krejci <rkrejci@cesnet.cz>
* @author Adam Piecek <piecek@cesnet.cz>
* @brief 'add' 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
#include "cmd.h"
#include <assert.h>
#include <getopt.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "libyang.h"
#include "common.h"
#include "yl_opt.h"
#include "yl_schema_features.h"
void
cmd_add_help(void)
{
printf("Usage: add [-iD] <schema1> [<schema2> ...]\n"
" Add a new module from a specific file.\n\n"
" -D, --disable-searchdir\n"
" Do not implicitly search in current working directory for\n"
" the import schema modules. If specified a second time, do not\n"
" even search in the module directory (all modules must be \n"
" explicitly specified).\n"
" -F FEATURES, --features=FEATURES\n"
" Features to support, default all in all implemented modules.\n"
" Specify separately for each module.\n"
" <modname>:[<feature>,]*\n"
" -i, --make-implemented\n"
" Make the imported modules \"referenced\" from any loaded\n"
" <schema> module also implemented. If specified a second time,\n"
" all the modules are set implemented.\n"
" -X, --extended-leafref\n"
" Allow usage of deref() XPath function within leafref.\n");
}
int
cmd_add_opt(struct yl_opt *yo, const char *cmdline, char ***posv, int *posc)
{
int rc = 0, argc = 0;
int opt, opt_index;
struct option options[] = {
{"disable-searchdir", no_argument, NULL, 'D'},
{"features", required_argument, NULL, 'F'},
{"help", no_argument, NULL, 'h'},
{"make-implemented", no_argument, NULL, 'i'},
{"extended-leafref", no_argument, NULL, 'X'},
{NULL, 0, NULL, 0}
};
if ((rc = parse_cmdline(cmdline, &argc, &yo->argv))) {
return rc;
}
while ((opt = getopt_long(argc, yo->argv, commands[CMD_ADD].optstring, options, &opt_index)) != -1) {
switch (opt) {
case 'D': /* --disable--search */
if (yo->ctx_options & LY_CTX_DISABLE_SEARCHDIRS) {
YLMSG_W("The -D option specified too many times.");
}
yo_opt_update_disable_searchdir(yo);
break;
case 'F': /* --features */
if (parse_features(optarg, &yo->schema_features)) {
return 1;
}
break;
case 'h':
cmd_add_help();
return 1;
case 'i': /* --make-implemented */
yo_opt_update_make_implemented(yo);
break;
case 'X': /* --extended-leafref */
yo->ctx_options |= LY_CTX_LEAFREF_EXTENDED;
break;
default:
YLMSG_E("Unknown option.");
return 1;
}
}
*posv = &yo->argv[optind];
*posc = argc - optind;
return 0;
}
int
cmd_add_dep(struct yl_opt *yo, int posc)
{
if (yo->interactive && !posc) {
/* no argument */
cmd_add_help();
return 1;
}
if (!yo->schema_features.count) {
/* no features, enable all of them */
yo->ctx_options |= LY_CTX_ENABLE_IMP_FEATURES;
}
return 0;
}
static int
store_parsed_module(const char *filepath, struct lys_module *mod, struct yl_opt *yo)
{
assert(!yo->interactive);
if (yo->schema_out_format || yo->feature_param_format) {
if (ly_set_add(&yo->schema_modules, (void *)mod, 1, NULL)) {
YLMSG_E("Storing parsed schema module (%s) for print failed.", filepath);
return 1;
}
}
return 0;
}
int
cmd_add_exec(struct ly_ctx **ctx, struct yl_opt *yo, const char *posv)
{
const char *all_features[] = {"*", NULL};
LY_ERR ret;
uint8_t path_unset = 1; /* flag to unset the path from the searchpaths list (if not already present) */
char *dir, *modname = NULL;
const char **features = NULL;
struct ly_in *in = NULL;
struct lys_module *mod;
assert(posv);
if (yo->ctx_options) {
ly_ctx_set_options(*ctx, yo->ctx_options);
}
if (parse_schema_path(posv, &dir, &modname)) {
return 1;
}
if (!yo->interactive) {
/* The module should already be parsed if yang_lib_file was set. */
if (yo->yang_lib_file && (mod = ly_ctx_get_module_implemented(*ctx, modname))) {
ret = store_parsed_module(posv, mod, yo);
goto cleanup;
}
/* parse module */
}
/* add temporarily also the path of the module itself */
if (ly_ctx_set_searchdir(*ctx, dir) == LY_EEXIST) {
path_unset = 0;
}
/* get features list for this module */
if (!yo->schema_features.count) {
features = all_features;
} else {
get_features(&yo->schema_features, modname, &features);
}
/* prepare input handler */
ret = ly_in_new_filepath(posv, 0, &in);
if (ret) {
goto cleanup;
}
/* parse the file */
ret = lys_parse(*ctx, in, LYS_IN_UNKNOWN, features, &mod);
ly_in_free(in, 1);
ly_ctx_unset_searchdir_last(*ctx, path_unset);
if (ret) {
goto cleanup;
}
if (!yo->interactive) {
if ((ret = store_parsed_module(posv, mod, yo))) {
goto cleanup;
}
}
cleanup:
free(dir);
free(modname);
return ret;
}
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