[vala] vapigen: Support hidden attribute for interface implementations

[Jürg Billeter <juergbi src gnome org>]

commit 8e90ab65ff8308767fdeaf175aeab819938ade77
Author: Jürg Billeter <j bitron ch>
Date:   Sat Jan 15 11:18:54 2011 +0100

    vapigen: Support hidden attribute for interface implementations

 vapigen/valagidlparser.vala |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/vapigen/valagidlparser.vala b/vapigen/valagidlparser.vala
index f7061bc..46d0747 100644
--- a/vapigen/valagidlparser.vala
+++ b/vapigen/valagidlparser.vala
@@ -1328,6 +1328,24 @@ public class Vala.GIdlParser : CodeVisitor {
 		}
 		
 		foreach (string iface_name in node.interfaces) {
+			bool skip_iface = false;
+
+			var attributes = get_attributes (iface_name);
+			if (attributes != null) {
+				foreach (string attr in attributes) {
+					var nv = attr.split ("=", 2);
+					if (nv[0] == "hidden") {
+						if (eval (nv[1]) == "1") {
+							skip_iface = true;
+						}
+					}
+				}
+			}
+
+			if (skip_iface) {
+				continue;
+			}
+
 			var iface = parse_type_string (iface_name);
 			cl.add_base_type (iface);
 		}