[PATCH] ruby: db: reorganize initializer

[Felipe Contreras <felipe.contreras@gmail.com>]

In order to make it more extensible.

No functional changes.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
---
 bindings/ruby/database.c | 52 ++++++++++++++++++++++++----------------
 bindings/ruby/defs.h     |  2 --
 bindings/ruby/init.c     |  4 ----
 3 files changed, 32 insertions(+), 26 deletions(-)

diff --git a/bindings/ruby/database.c b/bindings/ruby/database.c
index b6de1254..67be3b23 100644
--- a/bindings/ruby/database.c
+++ b/bindings/ruby/database.c
@@ -58,37 +58,49 @@ notmuch_rb_database_initialize (int argc, VALUE *argv, VALUE self)
     notmuch_database_t *database;
     notmuch_status_t ret;
 
+    path = NULL;
+    create = 0;
+    mode = NOTMUCH_DATABASE_MODE_READ_ONLY;
+
     /* Check arguments */
     rb_scan_args (argc, argv, "02", &pathv, &hashv);
 
     if (!NIL_P (pathv)) {
 	SafeStringValue (pathv);
 	path = RSTRING_PTR (pathv);
-    } else {
-	path = NULL;
     }
 
     if (!NIL_P (hashv)) {
-	Check_Type (hashv, T_HASH);
-	create = RTEST (rb_hash_aref (hashv, ID2SYM (ID_db_create)));
-	modev = rb_hash_aref (hashv, ID2SYM (ID_db_mode));
-	if (NIL_P (modev))
-	    mode = NOTMUCH_DATABASE_MODE_READ_ONLY;
-	else if (!FIXNUM_P (modev))
-	    rb_raise (rb_eTypeError, ":mode isn't a Fixnum");
-	else {
-	    mode = FIX2INT (modev);
-	    switch (mode) {
-	    case NOTMUCH_DATABASE_MODE_READ_ONLY:
-	    case NOTMUCH_DATABASE_MODE_READ_WRITE:
-		break;
-	    default:
-		rb_raise ( rb_eTypeError, "Invalid mode");
+	VALUE rmode, rcreate;
+	VALUE kwargs[2];
+	static ID keyword_ids[2];
+
+	if (!keyword_ids[0]) {
+	    keyword_ids[0] = rb_intern_const ("mode");
+	    keyword_ids[1] = rb_intern_const ("create");
+	}
+
+	rb_get_kwargs (hashv, keyword_ids, 0, 2, kwargs);
+
+	rmode = kwargs[0];
+	rcreate = kwargs[1];
+
+	if (rmode != Qundef) {
+	    if (!FIXNUM_P (rmode))
+		rb_raise (rb_eTypeError, ":mode isn't a Fixnum");
+	    else {
+		mode = FIX2INT (rmode);
+		switch (mode) {
+		case NOTMUCH_DATABASE_MODE_READ_ONLY:
+		case NOTMUCH_DATABASE_MODE_READ_WRITE:
+		    break;
+		default:
+		    rb_raise ( rb_eTypeError, "Invalid mode");
+		}
 	    }
 	}
-    } else {
-	create = 0;
-	mode = NOTMUCH_DATABASE_MODE_READ_ONLY;
+	if (rcreate != Qundef)
+	    create = RTEST (rcreate);
     }
 
     rb_check_typeddata (self, &notmuch_rb_database_type);
diff --git a/bindings/ruby/defs.h b/bindings/ruby/defs.h
index e2541e8f..042e0a89 100644
--- a/bindings/ruby/defs.h
+++ b/bindings/ruby/defs.h
@@ -48,8 +48,6 @@ extern VALUE notmuch_rb_eUnbalancedFreezeThawError;
 extern VALUE notmuch_rb_eUnbalancedAtomicError;
 
 extern ID ID_call;
-extern ID ID_db_create;
-extern ID ID_db_mode;
 
 /* RSTRING_PTR() is new in ruby-1.9 */
 #if !defined(RSTRING_PTR)
diff --git a/bindings/ruby/init.c b/bindings/ruby/init.c
index cd9f04cd..691e1475 100644
--- a/bindings/ruby/init.c
+++ b/bindings/ruby/init.c
@@ -43,8 +43,6 @@ VALUE notmuch_rb_eUnbalancedFreezeThawError;
 VALUE notmuch_rb_eUnbalancedAtomicError;
 
 ID ID_call;
-ID ID_db_create;
-ID ID_db_mode;
 
 const rb_data_type_t notmuch_rb_object_type = {
     .wrap_struct_name = "notmuch_object",
@@ -101,8 +99,6 @@ Init_notmuch (void)
     VALUE mod;
 
     ID_call = rb_intern ("call");
-    ID_db_create = rb_intern ("create");
-    ID_db_mode = rb_intern ("mode");
 
     mod = rb_define_module ("Notmuch");
 
-- 
2.40.0