freebsd-nq/contrib/libucl/utils/objdump.c
2016-04-17 21:30:40 +00:00

183 lines
4.9 KiB
C

/* Copyright (c) 2013, Dmitriy V. Reshetnikov
* Copyright (c) 2013, Vsevolod Stakhov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <errno.h>
#include "ucl.h"
void
ucl_obj_dump (const ucl_object_t *obj, unsigned int shift)
{
int num = shift * 4 + 5;
char *pre = (char *) malloc (num * sizeof(char));
const ucl_object_t *cur, *tmp;
ucl_object_iter_t it = NULL, it_obj = NULL;
pre[--num] = 0x00;
while (num--)
pre[num] = 0x20;
tmp = obj;
while ((obj = ucl_object_iterate (tmp, &it, false))) {
printf ("%sucl object address: %p\n", pre + 4, obj);
if (obj->key != NULL) {
printf ("%skey: \"%s\"\n", pre, ucl_object_key (obj));
}
printf ("%sref: %u\n", pre, obj->ref);
printf ("%slen: %u\n", pre, obj->len);
printf ("%sprev: %p\n", pre, obj->prev);
printf ("%snext: %p\n", pre, obj->next);
if (obj->type == UCL_OBJECT) {
printf ("%stype: UCL_OBJECT\n", pre);
printf ("%svalue: %p\n", pre, obj->value.ov);
it_obj = NULL;
while ((cur = ucl_object_iterate (obj, &it_obj, true))) {
ucl_obj_dump (cur, shift + 2);
}
}
else if (obj->type == UCL_ARRAY) {
printf ("%stype: UCL_ARRAY\n", pre);
printf ("%svalue: %p\n", pre, obj->value.av);
it_obj = NULL;
while ((cur = ucl_object_iterate (obj, &it_obj, true))) {
ucl_obj_dump (cur, shift + 2);
}
}
else if (obj->type == UCL_INT) {
printf ("%stype: UCL_INT\n", pre);
printf ("%svalue: %jd\n", pre, (intmax_t)ucl_object_toint (obj));
}
else if (obj->type == UCL_FLOAT) {
printf ("%stype: UCL_FLOAT\n", pre);
printf ("%svalue: %f\n", pre, ucl_object_todouble (obj));
}
else if (obj->type == UCL_STRING) {
printf ("%stype: UCL_STRING\n", pre);
printf ("%svalue: \"%s\"\n", pre, ucl_object_tostring (obj));
}
else if (obj->type == UCL_BOOLEAN) {
printf ("%stype: UCL_BOOLEAN\n", pre);
printf ("%svalue: %s\n", pre, ucl_object_tostring_forced (obj));
}
else if (obj->type == UCL_TIME) {
printf ("%stype: UCL_TIME\n", pre);
printf ("%svalue: %f\n", pre, ucl_object_todouble (obj));
}
else if (obj->type == UCL_USERDATA) {
printf ("%stype: UCL_USERDATA\n", pre);
printf ("%svalue: %p\n", pre, obj->value.ud);
}
}
free (pre);
}
int
main(int argc, char **argv)
{
const char *fn = NULL;
unsigned char *inbuf;
struct ucl_parser *parser;
int k, ret = 0, r = 0;
ssize_t bufsize;
ucl_object_t *obj = NULL;
const ucl_object_t *par;
FILE *in;
if (argc > 1) {
fn = argv[1];
}
if (fn != NULL) {
in = fopen (fn, "r");
if (in == NULL) {
exit (-errno);
}
}
else {
in = stdin;
}
parser = ucl_parser_new (0);
inbuf = malloc (BUFSIZ);
bufsize = BUFSIZ;
r = 0;
while (!feof (in) && !ferror (in)) {
if (r == bufsize) {
inbuf = realloc (inbuf, bufsize * 2);
bufsize *= 2;
if (inbuf == NULL) {
perror ("realloc");
exit (EXIT_FAILURE);
}
}
r += fread (inbuf + r, 1, bufsize - r, in);
}
if (ferror (in)) {
fprintf (stderr, "Failed to read the input file.\n");
exit (EXIT_FAILURE);
}
ucl_parser_add_chunk (parser, inbuf, r);
fclose (in);
if (ucl_parser_get_error(parser)) {
printf ("Error occured: %s\n", ucl_parser_get_error(parser));
ret = 1;
goto end;
}
obj = ucl_parser_get_object (parser);
if (ucl_parser_get_error (parser)) {
printf ("Error occured: %s\n", ucl_parser_get_error(parser));
ret = 1;
goto end;
}
if (argc > 2) {
for (k = 2; k < argc; k++) {
printf ("search for \"%s\"... ", argv[k]);
par = ucl_object_lookup (obj, argv[k]);
printf ("%sfound\n", (par == NULL )?"not ":"");
ucl_obj_dump (par, 0);
}
}
else {
ucl_obj_dump (obj, 0);
}
end:
if (parser != NULL) {
ucl_parser_free (parser);
}
if (obj != NULL) {
ucl_object_unref (obj);
}
return ret;
}