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json: add json_iter_get_container

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This allows getting an iterator for a container nested inside
an array.
This commit is contained in:
James Prestwood 2022-01-06 11:50:05 -08:00 committed by Denis Kenzior
parent 01ea05d650
commit 0d7482e379
2 changed files with 16 additions and 0 deletions
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14
src/json.c
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@ -384,6 +384,20 @@ bool json_iter_get_null(struct json_iter *iter)
return false; return false;
} }
bool json_iter_get_container(struct json_iter *iter,
struct json_iter *container)
{
struct json_contents *c = iter->contents;
jsmntok_t *t = c->tokens + iter->current;
if (t->type != JSMN_OBJECT && t->type != JSMN_ARRAY)
return false;
iter_recurse(iter, t, container);
return true;
}
enum json_type json_iter_get_type(struct json_iter *iter) enum json_type json_iter_get_type(struct json_iter *iter)
{ {
struct json_contents *c = iter->contents; struct json_contents *c = iter->contents;

2
src/json.h
View File

@ -93,6 +93,8 @@ bool json_iter_get_int(struct json_iter *iter, int *i);
bool json_iter_get_uint(struct json_iter *iter, unsigned int *i); bool json_iter_get_uint(struct json_iter *iter, unsigned int *i);
bool json_iter_get_boolean(struct json_iter *iter, bool *b); bool json_iter_get_boolean(struct json_iter *iter, bool *b);
bool json_iter_get_null(struct json_iter *iter); bool json_iter_get_null(struct json_iter *iter);
bool json_iter_get_container(struct json_iter *iter,
struct json_iter *container);
enum json_type json_iter_get_type(struct json_iter *iter); enum json_type json_iter_get_type(struct json_iter *iter);
bool json_iter_next(struct json_iter *iter); bool json_iter_next(struct json_iter *iter);