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nostrdb: ndb_filter_from_json

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Changelog-Added: Add method for parsing filter json
Signed-off-by: William Casarin <jb55@jb55.com>
This commit is contained in:
William Casarin
2024-08-16 12:17:00 -07:00
committed by Daniel D’Aquino
parent 3fb4d81d48
commit bbed448ccb
2 changed files with 297 additions and 5 deletions
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10
nostrdb/src/nostrdb.h
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@@ -223,8 +223,13 @@ struct ndb_iterator {
int index;
};
union ndb_filter_element {
struct ndb_filter_string {
const char *string;
int len;
};
union ndb_filter_element {
struct ndb_filter_string string;
const unsigned char *id;
uint64_t integer;
};
@@ -491,6 +496,9 @@ int ndb_filter_add_id_element(struct ndb_filter *, const unsigned char *id);
int ndb_filter_add_int_element(struct ndb_filter *, uint64_t integer);
int ndb_filter_add_str_element(struct ndb_filter *, const char *str);
// filters from json
int ndb_filter_from_json(const char *, int len, struct ndb_filter *filter, unsigned char *buf, int bufsize);
// getting field elements
unsigned char *ndb_filter_get_id_element(const struct ndb_filter *, const struct ndb_filter_elements *, int index);
const char *ndb_filter_get_string_element(const struct ndb_filter *, const struct ndb_filter_elements *, int index);