# HG changeset patch
# User Marco Cirillo <maranda@lightwitch.org>
# Date 1364855684 0
# Node ID bea93cfd6c5456970488ff578a71f37741a5253b
# Parent  8e98a58ab6a3e769ff262a7005ffaec367b5ec19
modulemanager: add function to retrieve module items from a specific host entity.

diff -r 8e98a58ab6a3 -r bea93cfd6c54 core/modulemanager.lua
--- a/core/modulemanager.lua	Mon Apr 01 14:51:42 2013 +0100
+++ b/core/modulemanager.lua	Mon Apr 01 22:34:44 2013 +0000
@@ -19,7 +19,7 @@
 
 local pcall, xpcall = pcall, xpcall;
 local setmetatable, rawget = setmetatable, rawget;
-local pairs, type, tostring = pairs, type, tostring;
+local pairs, type, tostring, t_insert = pairs, type, tostring, table.insert;
 
 local debug_traceback = debug.traceback;
 local unpack, select = unpack, select;
@@ -278,6 +278,23 @@
 	return modulemap[host] and modulemap[host][name];
 end
 
+function get_items(key, host)
+	local result = {};
+	local modules = modulemap[host];
+	if not key or not host or not modules then return nil; end
+
+	for _, module in pairs(modules) do
+		local mod = module.module;
+		if mod.items and mod.items[key] then
+			for _, value in ipairs(mod.items[key]) do
+				t_insert(result, value);
+			end
+		end
+	end
+
+	return result;
+end
+
 function get_modules(host)
 	return modulemap[host];
 end