summaryrefslogtreecommitdiffstats
path: root/tools/lint/cmd_add.c
blob: bbfdfd6e3016956eefa4e9f2bd64e523532f6fc3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
/**
 * @file cmd_add.c
 * @author Michal Vasko <mvasko@cesnet.cz>
 * @author Radek Krejci <rkrejci@cesnet.cz>
 * @brief 'add' command of the libyang's yanglint tool.
 *
 * Copyright (c) 2015-2020 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 <getopt.h>
#include <libgen.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>

#include "libyang.h"

#include "common.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");
}

void
cmd_add(struct ly_ctx **ctx, const char *cmdline)
{
    int argc = 0;
    char **argv = NULL;
    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'},
        {NULL, 0, NULL, 0}
    };
    uint16_t options_ctx = 0;
    const char *all_features[] = {"*", NULL};
    struct ly_set fset = {0};

    if (parse_cmdline(cmdline, &argc, &argv)) {
        goto cleanup;
    }

    while ((opt = getopt_long(argc, argv, "D:F:hi", options, &opt_index)) != -1) {
        switch (opt) {
        case 'D': /* --disable--search */
            if (options_ctx & LY_CTX_DISABLE_SEARCHDIRS) {
                YLMSG_W("The -D option specified too many times.\n");
            }
            if (options_ctx & LY_CTX_DISABLE_SEARCHDIR_CWD) {
                options_ctx &= ~LY_CTX_DISABLE_SEARCHDIR_CWD;
                options_ctx |= LY_CTX_DISABLE_SEARCHDIRS;
            } else {
                options_ctx |= LY_CTX_DISABLE_SEARCHDIR_CWD;
            }
            break;

        case 'F': /* --features */
            if (parse_features(optarg, &fset)) {
                goto cleanup;
            }
            break;

        case 'h':
            cmd_add_help();
            goto cleanup;

        case 'i': /* --make-implemented */
            if (options_ctx & LY_CTX_REF_IMPLEMENTED) {
                options_ctx &= ~LY_CTX_REF_IMPLEMENTED;
                options_ctx |= LY_CTX_ALL_IMPLEMENTED;
            } else {
                options_ctx |= LY_CTX_REF_IMPLEMENTED;
            }
            break;

        default:
            YLMSG_E("Unknown option.\n");
            goto cleanup;
        }
    }

    if (argc == optind) {
        /* no argument */
        cmd_add_help();
        goto cleanup;
    }

    if (!fset.count) {
        /* no features, enable all of them */
        options_ctx |= LY_CTX_ENABLE_IMP_FEATURES;
    }

    if (options_ctx) {
        ly_ctx_set_options(*ctx, options_ctx);
    }

    for (int i = 0; i < argc - optind; i++) {
        /* process the schema module files */
        LY_ERR ret;
        uint8_t path_unset = 1; /* flag to unset the path from the searchpaths list (if not already present) */
        char *dir, *module;
        const char **features = NULL;
        struct ly_in *in = NULL;

        if (parse_schema_path(argv[optind + i], &dir, &module)) {
            goto cleanup;
        }

        /* add temporarily also the path of the module itself */
        if (ly_ctx_set_searchdir(*ctx, dirname(dir)) == LY_EEXIST) {
            path_unset = 0;
        }

        /* get features list for this module */
        if (!fset.count) {
            features = all_features;
        } else {
            get_features(&fset, module, &features);
        }

        /* temporary cleanup */
        free(dir);
        free(module);

        /* prepare input handler */
        ret = ly_in_new_filepath(argv[optind + i], 0, &in);
        if (ret) {
            goto cleanup;
        }

        /* parse the file */
        ret = lys_parse(*ctx, in, LYS_IN_UNKNOWN, features, NULL);
        ly_in_free(in, 1);
        ly_ctx_unset_searchdir_last(*ctx, path_unset);

        if (ret) {
            /* libyang printed the error messages */
            goto cleanup;
        }
    }

cleanup:
    if (options_ctx) {
        ly_ctx_unset_options(*ctx, options_ctx);
    }
    ly_set_erase(&fset, free_features);
    free_cmdline(argv);
}