xref: /freebsd/contrib/libucl/utils/objdump.c (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /* Copyright (c) 2013, Dmitriy V. Reshetnikov
2  * Copyright (c) 2013, Vsevolod Stakhov
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *       * Redistributions of source code must retain the above copyright
8  *         notice, this list of conditions and the following disclaimer.
9  *       * Redistributions in binary form must reproduce the above copyright
10  *         notice, this list of conditions and the following disclaimer in the
11  *         documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16  * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
20  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  */
24 
25 #if defined(_MSC_VER)
26     #include <BaseTsd.h>
27 
28     typedef SSIZE_T ssize_t;
29 #endif
30 
31 #include "ucl.h"
32 
33 void
34 ucl_obj_dump (const ucl_object_t *obj, unsigned int shift)
35 {
36 	int num = shift * 4 + 5;
37 	char *pre = (char *) malloc (num * sizeof(char));
38 	const ucl_object_t *cur, *tmp;
39 	ucl_object_iter_t it = NULL, it_obj = NULL;
40 
41 	pre[--num] = 0x00;
42 	while (num--)
43 		pre[num] = 0x20;
44 
45 	tmp = obj;
46 
47 	while ((obj = ucl_object_iterate (tmp, &it, false))) {
48 		printf ("%sucl object address: %p\n", pre + 4, obj);
49 		if (obj->key != NULL) {
50 			printf ("%skey: \"%s\"\n", pre, ucl_object_key (obj));
51 		}
52 		printf ("%sref: %u\n", pre, obj->ref);
53 		printf ("%slen: %u\n", pre, obj->len);
54 		printf ("%sprev: %p\n", pre, obj->prev);
55 		printf ("%snext: %p\n", pre, obj->next);
56 		if (obj->type == UCL_OBJECT) {
57 			printf ("%stype: UCL_OBJECT\n", pre);
58 			printf ("%svalue: %p\n", pre, obj->value.ov);
59 			it_obj = NULL;
60 			while ((cur = ucl_object_iterate (obj, &it_obj, true))) {
61 				ucl_obj_dump (cur, shift + 2);
62 			}
63 		}
64 		else if (obj->type == UCL_ARRAY) {
65 			printf ("%stype: UCL_ARRAY\n", pre);
66 			printf ("%svalue: %p\n", pre, obj->value.av);
67 			it_obj = NULL;
68 			while ((cur = ucl_object_iterate (obj, &it_obj, true))) {
69 				ucl_obj_dump (cur, shift + 2);
70 			}
71 		}
72 		else if (obj->type == UCL_INT) {
73 			printf ("%stype: UCL_INT\n", pre);
74 			printf ("%svalue: %jd\n", pre, (intmax_t)ucl_object_toint (obj));
75 		}
76 		else if (obj->type == UCL_FLOAT) {
77 			printf ("%stype: UCL_FLOAT\n", pre);
78 			printf ("%svalue: %f\n", pre, ucl_object_todouble (obj));
79 		}
80 		else if (obj->type == UCL_STRING) {
81 			printf ("%stype: UCL_STRING\n", pre);
82 			printf ("%svalue: \"%s\"\n", pre, ucl_object_tostring (obj));
83 		}
84 		else if (obj->type == UCL_BOOLEAN) {
85 			printf ("%stype: UCL_BOOLEAN\n", pre);
86 			printf ("%svalue: %s\n", pre, ucl_object_tostring_forced (obj));
87 		}
88 		else if (obj->type == UCL_TIME) {
89 			printf ("%stype: UCL_TIME\n", pre);
90 			printf ("%svalue: %f\n", pre, ucl_object_todouble (obj));
91 		}
92 		else if (obj->type == UCL_USERDATA) {
93 			printf ("%stype: UCL_USERDATA\n", pre);
94 			printf ("%svalue: %p\n", pre, obj->value.ud);
95 		}
96 	}
97 
98 	free (pre);
99 }
100 
101 int
102 main(int argc, char **argv)
103 {
104 	const char *fn = NULL;
105 	unsigned char *inbuf;
106 	struct ucl_parser *parser;
107 	int k, ret = 0;
108 	ssize_t bufsize, r = 0;
109 	ucl_object_t *obj = NULL;
110 	const ucl_object_t *par;
111 	FILE *in;
112 
113 	if (argc > 1) {
114 		fn = argv[1];
115 	}
116 
117 	if (fn != NULL) {
118 		in = fopen (fn, "r");
119 		if (in == NULL) {
120 			exit (EXIT_FAILURE);
121 		}
122 	}
123 	else {
124 		in = stdin;
125 	}
126 
127 	parser = ucl_parser_new (0);
128 	inbuf = malloc (BUFSIZ);
129 	bufsize = BUFSIZ;
130 	r = 0;
131 
132 	while (!feof (in) && !ferror (in)) {
133 		if (r == bufsize) {
134 			inbuf = realloc (inbuf, bufsize * 2);
135 			bufsize *= 2;
136 			if (inbuf == NULL) {
137 				perror ("realloc");
138 				exit (EXIT_FAILURE);
139 			}
140 		}
141 		r += fread (inbuf + r, 1, bufsize - r, in);
142 	}
143 
144 	if (ferror (in)) {
145 		fprintf (stderr, "Failed to read the input file.\n");
146 		exit (EXIT_FAILURE);
147 	}
148 
149 	ucl_parser_add_chunk (parser, inbuf, r);
150 	fclose (in);
151 	if (ucl_parser_get_error(parser)) {
152 		printf ("Error occurred: %s\n", ucl_parser_get_error(parser));
153 		ret = 1;
154 		goto end;
155 	}
156 
157 	obj = ucl_parser_get_object (parser);
158 	if (ucl_parser_get_error (parser)) {
159 		printf ("Error occurred: %s\n", ucl_parser_get_error(parser));
160 		ret = 1;
161 		goto end;
162 	}
163 
164 	if (argc > 2) {
165 		for (k = 2; k < argc; k++) {
166 			printf ("search for \"%s\"... ", argv[k]);
167 			par = ucl_object_lookup (obj, argv[k]);
168 			printf ("%sfound\n", (par == NULL )?"not ":"");
169 			ucl_obj_dump (par, 0);
170 		}
171 	}
172 	else {
173 		ucl_obj_dump (obj, 0);
174 	}
175 
176 end:
177 	if (parser != NULL) {
178 		ucl_parser_free (parser);
179 	}
180 	if (obj != NULL) {
181 		ucl_object_unref (obj);
182 	}
183 
184 	return ret;
185 }
186