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spa-json: add _new_from_stringn() API

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This commit is contained in:
Julian Bouzas 2022-03-24 04:34:53 -04:00
parent 17a257ddbe
commit e9be326954
2 changed files with 19 additions and 1 deletions
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17
lib/wp/spa-json.c
View file

@ -170,11 +170,26 @@ wp_spa_json_new (const gchar *data, size_t size)
*/
WpSpaJson *
wp_spa_json_new_from_string (const gchar *json_str)
{
return wp_spa_json_new_from_stringn(json_str, strlen (json_str));
}
/*!
* \brief Constructs a new WpSpaJson from a JSON string with specific length.
*
* \ingroup wpspajson
* \param json_str a JSON string
* \param len the specific length of the string
* \returns a new WpSpaJson that references the data in \a json_str. \a json_str
* is not copied, so it needs to stay alive.
*/
WpSpaJson *
wp_spa_json_new_from_stringn (const gchar *json_str, size_t len)
{
WpSpaJson *self = g_slice_new0 (WpSpaJson);
g_ref_count_init (&self->ref);
self->flags = FLAG_NO_OWNERSHIP;
spa_json_init (&self->json_data, json_str, strlen (json_str));
spa_json_init (&self->json_data, json_str, len);
self->builder = NULL;
self->data = (gchar *)self->json_data.cur;
self->size = self->json_data.end - self->json_data.cur;

3
lib/wp/spa-json.h
View file

@ -37,6 +37,9 @@ void wp_spa_json_unref (WpSpaJson *self);
WP_API
WpSpaJson * wp_spa_json_new_from_string (const gchar *json_str);
WP_API
WpSpaJson * wp_spa_json_new_from_stringn (const gchar *json_str, size_t len);
WP_API
WpSpaJson * wp_spa_json_new_wrap (struct spa_json *json);