xref: /freebsd/contrib/libucl/tests/test_basic.c (revision f4b37ed0f8b307b1f3f0f630ca725d68f1dff30d)
1 /* Copyright (c) 2013, Vsevolod Stakhov
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *       * Redistributions of source code must retain the above copyright
7  *         notice, this list of conditions and the following disclaimer.
8  *       * Redistributions in binary form must reproduce the above copyright
9  *         notice, this list of conditions and the following disclaimer in the
10  *         documentation and/or other materials provided with the distribution.
11  *
12  * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
13  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
14  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
15  * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
16  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
17  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
18  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
19  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
20  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
21  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22  */
23 
24 #include "ucl.h"
25 #include "ucl_internal.h"
26 
27 int
28 main (int argc, char **argv)
29 {
30 	char inbuf[8192], *test_in = NULL;
31 	struct ucl_parser *parser = NULL, *parser2 = NULL;
32 	ucl_object_t *obj;
33 	FILE *in, *out;
34 	unsigned char *emitted = NULL;
35 	const char *fname_in = NULL, *fname_out = NULL;
36 	int ret = 0, inlen, opt, json = 0, compact = 0, yaml = 0;
37 
38 	while ((opt = getopt(argc, argv, "jcy")) != -1) {
39 		switch (opt) {
40 		case 'j':
41 			json = 1;
42 			break;
43 		case 'c':
44 			compact = 1;
45 			break;
46 		case 'y':
47 			yaml = 1;
48 			break;
49 		default: /* '?' */
50 			fprintf (stderr, "Usage: %s [-jcy] [in] [out]\n",
51 					argv[0]);
52 			exit (EXIT_FAILURE);
53 		}
54 	}
55 
56 	argc -= optind;
57 	argv += optind;
58 
59 	switch (argc) {
60 	case 1:
61 		fname_in = argv[0];
62 		break;
63 	case 2:
64 		fname_in = argv[0];
65 		fname_out = argv[1];
66 		break;
67 	}
68 
69 	if (fname_in != NULL) {
70 		in = fopen (fname_in, "r");
71 		if (in == NULL) {
72 			exit (-errno);
73 		}
74 	}
75 	else {
76 		in = stdin;
77 	}
78 	parser = ucl_parser_new (UCL_PARSER_KEY_LOWERCASE);
79 	ucl_parser_register_variable (parser, "ABI", "unknown");
80 
81 	if (fname_in != NULL) {
82 		ucl_parser_set_filevars (parser, fname_in, true);
83 	}
84 
85 	while (!feof (in)) {
86 		memset (inbuf, 0, sizeof (inbuf));
87 		if (fread (inbuf, 1, sizeof (inbuf) - 1, in) == 0) {
88 			break;
89 		}
90 		inlen = strlen (inbuf);
91 		test_in = malloc (inlen);
92 		memcpy (test_in, inbuf, inlen);
93 		ucl_parser_add_chunk (parser, (const unsigned char *)test_in, inlen);
94 	}
95 	fclose (in);
96 
97 	if (fname_out != NULL) {
98 		out = fopen (fname_out, "w");
99 		if (out == NULL) {
100 			exit (-errno);
101 		}
102 	}
103 	else {
104 		out = stdout;
105 	}
106 	if (ucl_parser_get_error (parser) != NULL) {
107 		fprintf (out, "Error occurred: %s\n", ucl_parser_get_error(parser));
108 		ret = 1;
109 		goto end;
110 	}
111 	obj = ucl_parser_get_object (parser);
112 	if (json) {
113 		if (compact) {
114 			emitted = ucl_object_emit (obj, UCL_EMIT_JSON_COMPACT);
115 		}
116 		else {
117 			emitted = ucl_object_emit (obj, UCL_EMIT_JSON);
118 		}
119 	}
120 	else if (yaml) {
121 		emitted = ucl_object_emit (obj, UCL_EMIT_YAML);
122 	}
123 	else {
124 		emitted = ucl_object_emit (obj, UCL_EMIT_CONFIG);
125 	}
126 	ucl_parser_free (parser);
127 	ucl_object_unref (obj);
128 	parser2 = ucl_parser_new (UCL_PARSER_KEY_LOWERCASE);
129 	ucl_parser_add_string (parser2, (const char *)emitted, 0);
130 
131 	if (ucl_parser_get_error(parser2) != NULL) {
132 		fprintf (out, "Error occurred: %s\n", ucl_parser_get_error(parser2));
133 		fprintf (out, "%s\n", emitted);
134 		ret = 1;
135 		goto end;
136 	}
137 	if (emitted != NULL) {
138 		free (emitted);
139 	}
140 	obj = ucl_parser_get_object (parser2);
141 	if (json) {
142 		if (compact) {
143 			emitted = ucl_object_emit (obj, UCL_EMIT_JSON_COMPACT);
144 		}
145 		else {
146 			emitted = ucl_object_emit (obj, UCL_EMIT_JSON);
147 		}
148 	}
149 	else if (yaml) {
150 		emitted = ucl_object_emit (obj, UCL_EMIT_YAML);
151 	}
152 	else {
153 		emitted = ucl_object_emit (obj, UCL_EMIT_CONFIG);
154 	}
155 
156 	fprintf (out, "%s\n", emitted);
157 	ucl_object_unref (obj);
158 
159 end:
160 	if (emitted != NULL) {
161 		free (emitted);
162 	}
163 	if (parser2 != NULL) {
164 		ucl_parser_free (parser2);
165 	}
166 	if (test_in != NULL) {
167 		free (test_in);
168 	}
169 
170 	fclose (out);
171 
172 	return ret;
173 }
174