X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch.h;h=522bf1b97eeafa833dc316bf7fd6c5a41b7ec89a;hp=a6f3f5d4342ea198293a2bb8f0ce36194c77f383;hb=1ba3d46f;hpb=a360670c03475b1489ea5e2327cc3037cc8dff0b diff --git a/notmuch.h b/notmuch.h index a6f3f5d4..522bf1b9 100644 --- a/notmuch.h +++ b/notmuch.h @@ -102,7 +102,9 @@ notmuch_status_to_string (notmuch_status_t status); * notmuch_ functions below. */ typedef struct _notmuch_database notmuch_database_t; typedef struct _notmuch_query notmuch_query_t; -typedef struct _notmuch_results notmuch_results_t; +typedef struct _notmuch_thread_results notmuch_thread_results_t; +typedef struct _notmuch_thread notmuch_thread_t; +typedef struct _notmuch_message_results notmuch_message_results_t; typedef struct _notmuch_message notmuch_message_t; typedef struct _notmuch_tags notmuch_tags_t; @@ -313,22 +315,63 @@ typedef enum { void notmuch_query_set_sort (notmuch_query_t *query, notmuch_sort_t sort); -/* Execute a query, returning a notmuch_results_t object which can be - * used to iterate over the results. The results object is owned by - * the query and as such, will only be valid until notmuch_query_destroy. +/* Execute a query for threads, returning a notmuch_thread_results_t + * object which can be used to iterate over the results. The results + * object is owned by the query and as such, will only be valid until + * notmuch_query_destroy. * * Typical usage might be: * * notmuch_query_t *query; - * notmuch_results_t *results; + * notmuch_thread_results_t *results; + * notmuch_thread_t *thread; * * query = notmuch_query_create (database, query_string); * - * for (results = notmuch_query_search (query); - * notmuch_results_has_more (results); - * notmuch_result_advance (results)) + * for (results = notmuch_query_search_threads (query); + * notmuch_thread_results_has_more (results); + * notmuch_thread_results_advance (results)) * { - * message = notmuch_results_get (results); + * thread = notmuch_thread_results_get (results); + * .... + * notmuch_thread_destroy (thread); + * } + * + * notmuch_query_destroy (query); + * + * Note: If you are finished with a thread before its containing + * query, you can call notmuch_thread_destroy to clean up some memory + * sooner (as in the above example). Otherwise, if your thread objects + * are long-lived, then you don't need to call notmuch_thread_destroy + * and all the memory will still be reclaimed when the query is + * destroyed. + * + * Note that there's no explicit destructor needed for the + * notmuch_thread_results_t object. (For consistency, we do provide a + * notmuch_thread_results_destroy function, but there's no good reason + * to call it if the query is about to be destroyed). + */ +notmuch_thread_results_t * +notmuch_query_search_threads (notmuch_query_t *query); + +/* Execute a query for messages, returning a notmuch_message_results_t + * object which can be used to iterate over the results. The results + * object is owned by the query and as such, will only be valid until + * notmuch_query_destroy. + * + * Typical usage might be: + * + * notmuch_query_t *query; + * notmuch_message_results_t *results; + * notmuch_message_t *message; + * + * query = notmuch_query_create (database, query_string); + * + * for (results = notmuch_query_search_messages (query); + * notmuch_message_results_has_more (results); + * notmuch_message_results_advance (results)) + * { + * message = notmuch_message_results_get (results); * .... * notmuch_message_destroy (message); * } @@ -343,64 +386,128 @@ notmuch_query_set_sort (notmuch_query_t *query, notmuch_sort_t sort); * when the query is destroyed. * * Note that there's no explicit destructor needed for the - * notmuch_results_t object. (For consistency, we do provide a - * notmuch_results_destroy function, but there's no good reason to - * call it if the query is about to be destroyed). + * notmuch_message_results_t object. (For consistency, we do provide a + * notmuch_message_results_destroy function, but there's no good + * reason to call it if the query is about to be destroyed). */ -notmuch_results_t * -notmuch_query_search (notmuch_query_t *query); +notmuch_message_results_t * +notmuch_query_search_messages (notmuch_query_t *query); /* Destroy a notmuch_query_t along with any associated resources. * - * This will in turn destroy any notmuch_results_t objects generated - * by this query, (and in turn any notmuch_message_t objects generated - * from those results, etc.). + * This will in turn destroy any notmuch_thread_results_t and + * notmuch_message_results_t objects generated by this query, (and in + * turn any notmuch_thrad_t and notmuch_message_t objects generated + * from those results, etc.), if such objects haven't already been + * destroyed. */ void notmuch_query_destroy (notmuch_query_t *query); -/* Does the given notmuch_results_t object contain any more results. +/* Does the given notmuch_thread_results_t object contain any more + * results. * - * When this function returns TRUE, notmuch_results_get will return a - * valid object. Whereas when this function returns FALSE, - * notmuch_results_get will return NULL. + * When this function returns TRUE, notmuch_thread_results_get will + * return a valid object. Whereas when this function returns FALSE, + * notmuch_thread_results_get will return NULL. * - * See the documentation of notmuch_query_search for example code - * showing how to iterate over a notmuch_results_t object. + * See the documentation of notmuch_query_search_threads for example + * code showing how to iterate over a notmuch_thread_results_t object. */ notmuch_bool_t -notmuch_results_has_more (notmuch_results_t *results); +notmuch_thread_results_has_more (notmuch_thread_results_t *results); + +/* Get the current result from 'results' as a notmuch_thread_t. + * + * Note: The returned thread belongs to 'results' and has a lifetime + * identical to it (and the query to which it belongs). + * + * See the documentation of notmuch_query_search_threads for example + * code showing how to iterate over a notmuch_thread_results_t object. + * + * If an out-of-memory situation occurs, this function will return + * NULL. + */ +notmuch_thread_t * +notmuch_thread_results_get (notmuch_thread_results_t *results); + +/* Advance the 'results' iterator to the next result. + * + * See the documentation of notmuch_query_search_threads for example + * code showing how to iterate over a notmuch_thread_results_t object. + */ +void +notmuch_thread_results_advance (notmuch_thread_results_t *results); + +/* Destroy a notmuch_thread_results_t object. + * + * It's not strictly necessary to call this function. All memory from + * the notmuch_thread_results_t object will be reclaimed when the + * containg query object is destroyed. + */ +void +notmuch_thread_results_destroy (notmuch_thread_results_t *results); + +/* Get the thread ID of 'thread'. + * + * The returned string belongs to 'thread' and as such, should not be + * modified by the caller and will only be valid for as long as the + * thread is valid, (which is until notmuch_thread_destroy or until + * the query from which it derived is destroyed). + */ +const char * +notmuch_thread_get_thread_id (notmuch_thread_t *thread); + +/* Destroy a notmuch_thread_t object. */ +void +notmuch_thread_destroy (notmuch_thread_t *thread); + +/* Does the given notmuch_message_results_t object contain any more + * results. + * + * When this function returns TRUE, notmuch_message_results_get will + * return a valid object. Whereas when this function returns FALSE, + * notmuch_message_results_get will return NULL. + * + * See the documentation of notmuch_query_search_messages for example + * code showing how to iterate over a notmuch_message_results_t + * object. + */ +notmuch_bool_t +notmuch_message_results_has_more (notmuch_message_results_t *results); /* Get the current result from 'results' as a notmuch_message_t. * * Note: The returned message belongs to 'results' and has a lifetime * identical to it (and the query to which it belongs). * - * See the documentation of notmuch_query_search for example code - * showing how to iterate over a notmuch_results_t object. + * See the documentation of notmuch_query_search_messages for example + * code showing how to iterate over a notmuch_message_results_t + * object. * * If an out-of-memory situation occurs, this function will return * NULL. */ notmuch_message_t * -notmuch_results_get (notmuch_results_t *results); +notmuch_message_results_get (notmuch_message_results_t *results); /* Advance the 'results' iterator to the next result. * - * See the documentation of notmuch_query_search for example code - * showing how to iterate over a notmuch_results_t object. + * See the documentation of notmuch_query_search_messages for example + * code showing how to iterate over a notmuch_message_results_t + * object. */ void -notmuch_results_advance (notmuch_results_t *results); +notmuch_message_results_advance (notmuch_message_results_t *results); -/* Destroy a notmuch_results_t object. +/* Destroy a notmuch_message_results_t object. * * It's not strictly necessary to call this function. All memory from - * the notmuch_results_t object will be reclaimed when the containg - * query object is destroyed. + * the notmuch_message_results_t object will be reclaimed when the + * containg query object is destroyed. */ void -notmuch_results_destroy (notmuch_results_t *results); +notmuch_message_results_destroy (notmuch_message_results_t *results); /* Get the message ID of 'message'. * @@ -416,7 +523,6 @@ notmuch_results_destroy (notmuch_results_t *results); const char * notmuch_message_get_message_id (notmuch_message_t *message); - /* Get the thread ID of 'message'. * * The returned string belongs to 'message' and as such, should not be