summaryrefslogtreecommitdiffstats
path: root/tools/lint/cmd_load.c
blob: f5883e945844a67cd99f29f4ad8beae9de5cf340 (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
/**
 * @file cmd_load.c
 * @author Michal Vasko <mvasko@cesnet.cz>
 * @author Radek Krejci <rkrejci@cesnet.cz>
 * @brief 'load' 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 <stdint.h>
#include <stdio.h>
#include <string.h>

#include "libyang.h"

#include "common.h"

void
cmd_load_help(void)
{
    printf("Usage: load [-i] <module-name1>[@<revision>] [<module-name2>[@revision] ...]\n"
            "                  Add a new module of the specified name, yanglint will find\n"
            "                  them in searchpaths. if the <revision> of the module not\n"
            "                  specified, the latest revision available is loaded.\n\n"
            "  -F FEATURES, --features=FEATURES\n"
            "                  Features to support, default all in all implemented modules.\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_load(struct ly_ctx **ctx, const char *cmdline)
{
    int argc = 0;
    char **argv = NULL;
    int opt, opt_index;
    struct option options[] = {
        {"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, "F:hi", options, &opt_index)) != -1) {
        switch (opt) {
        case 'F': /* --features */
            if (parse_features(optarg, &fset)) {
                goto cleanup;
            }
            break;

        case 'h':
            cmd_load_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 */
        char *revision;
        const char **features = NULL;

        /* get revision */
        revision = strchr(argv[optind + i], '@');
        if (revision) {
            revision[0] = '\0';
            ++revision;
        }

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

        /* load the module */
        if (!ly_ctx_load_module(*ctx, argv[optind + i], revision, features)) {
            /* 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);
}