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json_get_object_nkey() function implemented.

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Alexey Botchkov 2019-06-27 02:16:33 +04:00 • committed by Yuchen Pei
parent 9315452ea0
commit 13cd8ad8db
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GPG key ID: 3DD1B35105743563
1 changed files with 37 additions and 1 deletions
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38
strings/json_lib.c
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@ -2021,7 +2021,43 @@ enum json_types json_get_object_nkey(const char *js __attribute__((unused)),
const char **value __attribute__((unused)),
int *value_len __attribute__((unused)))
{
return JSV_NOTHING;
json_engine_t je;
int keys_found= 0;
json_scan_start(&je, &my_charset_utf8mb4_bin,(const uchar *) js,
(const uchar *) js_end);
if (json_read_value(&je) ||
je.value_type != JSON_VALUE_OBJECT)
goto err_return;
while (!json_scan_next(&je))
{
switch (je.state)
{
case JST_KEY:
if (nkey == keys_found)
{
*keyname= (char *) je.s.c_str;
while (json_read_keyname_chr(&je) == 0)
*keyname_end= (char *) je.s.c_str;
return smart_read_value(&je, value, value_len);
}
keys_found++;
if (json_skip_key(&je))
goto err_return;
break;
case JST_OBJ_END:
return JSV_NOTHING;
}
}
err_return:
return JSV_BAD_JSON;
}