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#define __STRICT_ANSI__ 1
#include <bson.h>
#include <json.h>
#include <stdio.h>
#include <unistd.h>
#include <glib.h>
static bson *json_to_bson (struct json_object *json);
static void
json_key_to_bson_key (bson *b, void *val,
const gchar *key)
{
switch (json_object_get_type (val))
{
case json_type_boolean:
bson_append_boolean (b, key, json_object_get_boolean (val));
break;
case json_type_double:
bson_append_double (b, key, json_object_get_double (val));
break;
case json_type_int:
bson_append_int32 (b, key, json_object_get_int (val));
break;
case json_type_string:
bson_append_string (b, key, json_object_get_string (val), -1);
break;
case json_type_object:
{
bson *sub;
sub = json_to_bson (val);
bson_append_document (b, key, sub);
bson_free (sub);
break;
}
case json_type_array:
{
gint pos;
bson *sub;
sub = bson_new ();
for (pos = 0; pos < json_object_array_length (val); pos++)
{
gchar *nk = g_strdup_printf ("%d", pos);
json_key_to_bson_key (sub, json_object_array_get_idx (val, pos),
nk);
g_free (nk);
}
bson_finish (sub);
bson_append_array (b, key, sub);
bson_free (sub);
break;
}
default:
break;
}
}
static void
json_to_bson_foreach (bson *b, struct json_object *json)
{
json_object_object_foreach (json, key, val)
{
json_key_to_bson_key (b, val, key);
}
}
static bson *
json_to_bson (struct json_object *json)
{
bson *b;
b = bson_new ();
json_to_bson_foreach (b, json);
bson_finish (b);
return b;
}
int
main (int argc, char **argv)
{
GIOChannel *input;
GString *json_str;
GError *error = NULL;
struct json_tokener *tokener;
input = g_io_channel_unix_new (0);
json_str = g_string_new (NULL);
tokener = json_tokener_new ();
while (g_io_channel_read_line_string (input, json_str,
NULL, &error) == G_IO_STATUS_NORMAL)
{
struct json_object *json;
bson *bson;
json_tokener_reset (tokener);
json = json_tokener_parse_ex (tokener, json_str->str, json_str->len);
if (!json)
{
fprintf (stderr, "Error parsing json: %s\n", json_str->str);
break;
}
if (json_object_get_type (json) != json_type_object)
{
fprintf (stderr,
"Error: json's top-level object is not object: %s\n",
json_str->str);
json_object_put (json);
break;
}
bson = json_to_bson (json);
json_object_put (json);
write (1, bson_data (bson), bson_size (bson));
bson_free (bson);
}
return 0;
}
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