[PATCH 1/8] lib: add --exclude=all option

Peter Wang novalazy at gmail.com
Wed Jun 20 06:29:00 PDT 2012


From: Mark Walters <markwalters1009 at gmail.com>

Adds a exclude all option to the lib which means that excluded
messages are completely ignored (as if they had actually been
deleted).
---
 lib/notmuch-private.h |    1 +
 lib/notmuch.h         |   22 +++++++++++++++-------
 lib/query.cc          |   10 ++++++----
 lib/thread.cc         |   41 ++++++++++++++++++++++++++++++-----------
 4 files changed, 52 insertions(+), 22 deletions(-)

diff --git a/lib/notmuch-private.h b/lib/notmuch-private.h
index bfb4111..aa799b4 100644
--- a/lib/notmuch-private.h
+++ b/lib/notmuch-private.h
@@ -232,6 +232,7 @@ _notmuch_thread_create (void *ctx,
 			unsigned int seed_doc_id,
 			notmuch_doc_id_set_t *match_set,
 			notmuch_string_list_t *excluded_terms,
+			notmuch_exclude_t omit_exclude,
 			notmuch_sort_t sort);
 
 /* message.cc */
diff --git a/lib/notmuch.h b/lib/notmuch.h
index 3633bed..1280afd 100644
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -500,14 +500,22 @@ typedef enum {
 const char *
 notmuch_query_get_query_string (notmuch_query_t *query);
 
+/* Exclude values for notmuch_query_set_omit_excluded */
+typedef enum {
+    NOTMUCH_EXCLUDE_FALSE,
+    NOTMUCH_EXCLUDE_TRUE,
+    NOTMUCH_EXCLUDE_ALL
+} notmuch_exclude_t;
+
 /* Specify whether to omit excluded results or simply flag them.  By
  * default, this is set to TRUE.
  *
- * If this is TRUE, notmuch_query_search_messages will omit excluded
- * messages from the results.  notmuch_query_search_threads will omit
- * threads that match only in excluded messages, but will include all
- * messages in threads that match in at least one non-excluded
- * message.
+ * If set to TRUE or ALL, notmuch_query_search_messages will omit excluded
+ * messages from the results, and notmuch_query_search_threads will omit
+ * threads that match only in excluded messages.  If set to TRUE,
+ * notmuch_query_search_threads will include all messages in threads that
+ * match in at least one non-excluded message.  Otherwise, if set to ALL,
+ * notmuch_query_search_threads will omit excluded messages from all threads.
  *
  * The performance difference when calling
  * notmuch_query_search_messages should be relatively small (and both
@@ -516,9 +524,9 @@ notmuch_query_get_query_string (notmuch_query_t *query);
  * excluded messages as it does not need to construct the threads that
  * only match in excluded messages.
  */
-
 void
-notmuch_query_set_omit_excluded (notmuch_query_t *query, notmuch_bool_t omit_excluded);
+notmuch_query_set_omit_excluded (notmuch_query_t *query,
+				 notmuch_exclude_t omit_excluded);
 
 /* Specify the sorting desired for this query. */
 void
diff --git a/lib/query.cc b/lib/query.cc
index e9c1a2d..f752452 100644
--- a/lib/query.cc
+++ b/lib/query.cc
@@ -28,7 +28,7 @@ struct _notmuch_query {
     const char *query_string;
     notmuch_sort_t sort;
     notmuch_string_list_t *exclude_terms;
-    notmuch_bool_t omit_excluded;
+    notmuch_exclude_t omit_excluded;
 };
 
 typedef struct _notmuch_mset_messages {
@@ -92,7 +92,7 @@ notmuch_query_create (notmuch_database_t *notmuch,
 
     query->exclude_terms = _notmuch_string_list_create (query);
 
-    query->omit_excluded = TRUE;
+    query->omit_excluded = NOTMUCH_EXCLUDE_TRUE;
 
     return query;
 }
@@ -104,7 +104,8 @@ notmuch_query_get_query_string (notmuch_query_t *query)
 }
 
 void
-notmuch_query_set_omit_excluded (notmuch_query_t *query, notmuch_bool_t omit_excluded)
+notmuch_query_set_omit_excluded (notmuch_query_t *query,
+				 notmuch_exclude_t omit_excluded)
 {
     query->omit_excluded = omit_excluded;
 }
@@ -220,7 +221,7 @@ notmuch_query_search_messages (notmuch_query_t *query)
 	if (query->exclude_terms) {
 	    exclude_query = _notmuch_exclude_tags (query, final_query);
 
-	    if (query->omit_excluded)
+	    if (query->omit_excluded != NOTMUCH_EXCLUDE_FALSE)
 		final_query = Xapian::Query (Xapian::Query::OP_AND_NOT,
 					     final_query, exclude_query);
 	    else {
@@ -486,6 +487,7 @@ notmuch_threads_get (notmuch_threads_t *threads)
 				   doc_id,
 				   &threads->match_set,
 				   threads->query->exclude_terms,
+				   threads->query->omit_excluded,
 				   threads->query->sort);
 }
 
diff --git a/lib/thread.cc b/lib/thread.cc
index e976d64..4cb0896 100644
--- a/lib/thread.cc
+++ b/lib/thread.cc
@@ -215,7 +215,8 @@ _thread_cleanup_author (notmuch_thread_t *thread,
 static void
 _thread_add_message (notmuch_thread_t *thread,
 		     notmuch_message_t *message,
-		     notmuch_string_list_t *exclude_terms)
+		     notmuch_string_list_t *exclude_terms,
+		     notmuch_exclude_t omit_exclude)
 {
     notmuch_tags_t *tags;
     const char *tag;
@@ -223,6 +224,28 @@ _thread_add_message (notmuch_thread_t *thread,
     InternetAddress *address;
     const char *from, *author;
     char *clean_author;
+    notmuch_bool_t message_excluded = FALSE;
+
+    for (tags = notmuch_message_get_tags (message);
+	 notmuch_tags_valid (tags);
+	 notmuch_tags_move_to_next (tags))
+    {
+	tag = notmuch_tags_get (tags);
+	/* Is message excluded? */
+	for (notmuch_string_node_t *term = exclude_terms->head;
+	     term != NULL;
+	     term = term->next)
+	{
+	    /* We ignore initial 'K'. */
+	    if (strcmp(tag, (term->string + 1)) == 0) {
+		message_excluded = TRUE;
+		break;
+	    }
+	}
+    }
+
+    if (message_excluded && omit_exclude == NOTMUCH_EXCLUDE_ALL)
+	return;
 
     _notmuch_message_list_add_message (thread->message_list,
 				       talloc_steal (thread, message));
@@ -263,17 +286,12 @@ _thread_add_message (notmuch_thread_t *thread,
 	 notmuch_tags_move_to_next (tags))
     {
 	tag = notmuch_tags_get (tags);
-	/* Mark excluded messages. */
-	for (notmuch_string_node_t *term = exclude_terms->head; term;
-	     term = term->next) {
-	    /* We ignore initial 'K'. */
-	    if (strcmp(tag, (term->string + 1)) == 0) {
-		notmuch_message_set_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED, TRUE);
-		break;
-	    }
-	}
 	g_hash_table_insert (thread->tags, xstrdup (tag), NULL);
     }
+
+    /* Mark excluded messages. */
+    if (message_excluded)
+	notmuch_message_set_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED, TRUE);
 }
 
 static void
@@ -404,6 +422,7 @@ _notmuch_thread_create (void *ctx,
 			unsigned int seed_doc_id,
 			notmuch_doc_id_set_t *match_set,
 			notmuch_string_list_t *exclude_terms,
+			notmuch_exclude_t omit_excluded,
 			notmuch_sort_t sort)
 {
     notmuch_thread_t *thread;
@@ -479,7 +498,7 @@ _notmuch_thread_create (void *ctx,
 	if (doc_id == seed_doc_id)
 	    message = seed_message;
 
-	_thread_add_message (thread, message, exclude_terms);
+	_thread_add_message (thread, message, exclude_terms, omit_excluded);
 
 	if ( _notmuch_doc_id_set_contains (match_set, doc_id)) {
 	    _notmuch_doc_id_set_remove (match_set, doc_id);
-- 
1.7.4.4



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