[PATCH 1/4] ruby: Add wrapper for notmuch_query_count_messages

[Ali Polatel <alip@exherbo.org>]

---
 bindings/ruby/defs.h  |    3 +++
 bindings/ruby/init.c  |    3 ++-
 bindings/ruby/query.c |   21 ++++++++++++++++++++-
 3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/bindings/ruby/defs.h b/bindings/ruby/defs.h
index 81f652f..25222a6 100644
--- a/bindings/ruby/defs.h
+++ b/bindings/ruby/defs.h
@@ -222,6 +222,9 @@ notmuch_rb_query_search_threads (VALUE self);
 VALUE
 notmuch_rb_query_search_messages (VALUE self);
 
+VALUE
+notmuch_rb_query_count_messages (VALUE self);
+
 /* threads.c */
 VALUE
 notmuch_rb_threads_destroy (VALUE self);
diff --git a/bindings/ruby/init.c b/bindings/ruby/init.c
index 4405f19..7ad0ecf 100644
--- a/bindings/ruby/init.c
+++ b/bindings/ruby/init.c
@@ -1,6 +1,6 @@
 /* The Ruby interface to the notmuch mail library
  *
- * Copyright © 2010, 2011 Ali Polatel
+ * Copyright © 2010, 2011, 2012 Ali Polatel
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -236,6 +236,7 @@ Init_notmuch (void)
     rb_define_method (notmuch_rb_cQuery, "to_s", notmuch_rb_query_get_string, 0); /* in query.c */
     rb_define_method (notmuch_rb_cQuery, "search_threads", notmuch_rb_query_search_threads, 0); /* in query.c */
     rb_define_method (notmuch_rb_cQuery, "search_messages", notmuch_rb_query_search_messages, 0); /* in query.c */
+    rb_define_method (notmuch_rb_cQuery, "count_messages", notmuch_rb_query_count_messages, 0); /* in query.c */
 
     /*
      * Document-class: Notmuch::Threads
diff --git a/bindings/ruby/query.c b/bindings/ruby/query.c
index 74fd585..02b7819 100644
--- a/bindings/ruby/query.c
+++ b/bindings/ruby/query.c
@@ -1,6 +1,6 @@
 /* The Ruby interface to the notmuch mail library
  *
- * Copyright © 2010, 2011 Ali Polatel
+ * Copyright © 2010, 2011, 2012 Ali Polatel
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -127,3 +127,22 @@ notmuch_rb_query_search_messages (VALUE self)
 
     return Data_Wrap_Struct (notmuch_rb_cMessages, NULL, NULL, messages);
 }
+
+/*
+ * call-seq: QUERY.count_messages => Fixnum
+ *
+ * Return an estimate of the number of messages matching a search
+ */
+VALUE
+notmuch_rb_query_count_messages (VALUE self)
+{
+    notmuch_query_t *query;
+
+    Data_Get_Notmuch_Query (self, query);
+
+    /* Xapian exceptions are not handled properly.
+     * (function may return 0 after printing a message)
+     * Thus there is nothing we can do here...
+     */
+    return UINT2FIX(notmuch_query_count_messages(query));
+}
-- 
1.7.10.1