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Diffstat (limited to 'tools/lint/cmd_add.c')
| -rw-r--r-- | tools/lint/cmd_add.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/tools/lint/cmd_add.c b/tools/lint/cmd_add.c new file mode 100644 index 0000000..9f10711 --- /dev/null +++ b/tools/lint/cmd_add.c @@ -0,0 +1,210 @@ +/** + * @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; +} |