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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <error.h>
#include <signal.h>
#include <cjson/cJSON.h>
#include <bencoding.c>
#define S0(x) (x ? x : "")
int main (int argc, char ** argv) {
if (argc < 1+1)
error_at_line(1, 0, __FILE__, __LINE__, "%s encode < json || %s decode < bencoding || %s path path/to/obj < bencoding || %s foreach < bencoding || %s val value < bencoding (should output null or value as JSON string if found in array) || %s insert bencoding [replace] < bencoding || %s compare bencoding < bencoding", S0(argv[0]), S0(argv[0]), S0(argv[0]), S0(argv[0]), S0(argv[0]), S0(argv[0]), S0(argv[0]));
if (argv[1][0] == 'p' && argc != 1+2)
error_at_line(1, 0, __FILE__, __LINE__, "set path!");
int size = 2048;
int len = 0;
char * in = malloc(size);
while (!feof(stdin) && !ferror(stdin)) {
if (!in)
error_at_line(2, 0, __FILE__, __LINE__, "heap alloc failed");
len += fread(in+len, 1, size-len-1, stdin);
if ((size - len) < 1024)
in = realloc(in, size *= 2);
}
struct bencoding * bencoding = bdecode(in, size, 0);
if (argv[1][0] == 'd') {
len = b2json_length(bencoding);
char * out = malloc(len+1);
char * end = b2json(out, bencoding);
*end = '\0';
puts(out);
if (end - out != len)
error_at_line(4, 0, __FILE__, __LINE__, "b2json wrote %td instead of %d bytes.", end-out, len);
fprintf(stderr, "len: %d\n", len);
free(out);
}
if (argv[1][0] == 'p') {
len = b2json_length(bpath(bencoding, argv[2]));
char * out = malloc(len+1);
char * end = b2json(out, bpath(bencoding, argv[2]));
*end = '\0';
puts(out);
if (end - out != len)
error_at_line(4, 0, __FILE__, __LINE__, "b2json wrote %td instead of %d bytes.", end-out, len);
fprintf(stderr, "len: %d\n", len);
free(out);
}
if (argv[1][0] == 'v') {
len = b2json_length(bval(bencoding, bstrs(argv[2])));
char * out = malloc(len+1);
char * end = b2json(out, bval(bencoding, bstrs(argv[2])));
*end = '\0';
puts(out);
if (end - out != len)
error_at_line(4, 0, __FILE__, __LINE__, "b2json wrote %td instead of %d bytes.", end-out, len);
fprintf(stderr, "len: %d\n", len);
free(out);
}
if (argv[1][0] == 'f') {
bforeach (bencoding, value) {
len = b2json_length(value->key);
char * out = malloc(len+1);
char * end = b2json(out, value->key);
*end = '\0';
if (end - out != len)
error_at_line(4, 0, __FILE__, __LINE__, "b2json wrote %td instead of %d bytes.", end-out, len);
printf("key(%d): %s\n", len, out);
len = b2json_length(value);
char * out2 = malloc(len+1);
end = b2json(out2, value);
*end = '\0';
if (end - out2 != len)
error_at_line(4, 0, __FILE__, __LINE__, "b2json wrote %td instead of %d bytes.", end-out2, len);
printf("value(%d): %s\n", len, out2);
free(out);
free(out2);
}
}
if (argv[1][0] == 'i') {
if (argc < 1+2)
error_at_line(5, 0, __FILE__, __LINE__, "missing element argument");
struct bencoding * elem = bdecode(argv[2], -2, argv[3] ? replace : 0);
if (!elem)
error_at_line(4, 0, __FILE__, __LINE__, "bdecode of element returned NULL");
binsert(bencoding, elem->child);
elem->child = NULL;
free_bencoding(elem);
len = b2json_length(bencoding);
char * out = malloc(len+1);
char * end = b2json(out, bencoding);
*end = '\0';
puts(out);
if (end - out != len)
error_at_line(4, 0, __FILE__, __LINE__, "b2json wrote %td instead of %d bytes.", end-out, len);
fprintf(stderr, "len: %d\n", len);
free(out);
}
if (argv[1][0] == 'c') {
struct bencoding * elem = bdecode(argv[2], -2, 0);
switch (bcompare(bencoding, elem)) {
case -1:
fprintf(stdout, "stdin is less than argv\n");
break;
case 0:
fprintf(stdout, "stdin is same as argv\n");
break;
case 1:
fprintf(stdout, "stdin is greater than argv\n");
break;
}
free_bencoding(elem);
}
if (argv[1][0] == 'e') {
int len = bencode_length(bencoding);
char * bencoded = malloc(len+1);
bencoded[len] = '\0';
bencode(bencoded, bencoding);
puts(bencoded);
free(bencoded);
}
free_bencoding(bencoding);
free(in);
return 0;
}
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