X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fmultitable.lua;h=66b9bd8aba1a90481d80efcaa056773552a61f60;hb=e2615fb00f14ddcb436afd00c7729e1135667d42;hp=414f6cb532d2de267c5c0edcd4411731dfed99ae;hpb=0c0cb0ee2339afa1fa2079cffb5cb1c7e8c82c39;p=prosody.git

diff --git a/util/multitable.lua b/util/multitable.lua
index 414f6cb5..66b9bd8a 100644
--- a/util/multitable.lua
+++ b/util/multitable.lua
@@ -1,20 +1,9 @@
--- Prosody IM v0.2
--- Copyright (C) 2008 Matthew Wild
--- Copyright (C) 2008 Waqas Hussain
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
 -- 
--- 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 the Free Software Foundation; either version 2
--- of the License, or (at your option) any later version.
--- 
--- This program is distributed in the hope that it will be useful,
--- but WITHOUT ANY WARRANTY; without even the implied warranty of
--- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--- GNU General Public License for more details.
--- 
--- You should have received a copy of the GNU General Public License
--- along with this program; if not, write to the Free Software
--- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
 --
 
 
@@ -67,7 +56,7 @@ local function r(t, n, _end, ...)
 		return;
 	end
 	if k then
-		v = t[k];
+		local v = t[k];
 		if v then
 			r(v, n+1, _end, ...);
 			if not next(v) then
@@ -93,6 +82,53 @@ local function remove(self, ...)
 end
 
 
+local function s(t, n, results, _end, ...)
+	if t == nil then return; end
+	local k = select(n, ...);
+	if n == _end then
+		if k == nil then
+			for _, v in pairs(t) do
+				t_insert(results, v);
+			end
+		else
+			t_insert(results, t[k]);
+		end
+		return;
+	end
+	if k then
+		local v = t[k];
+		if v then
+			s(v, n+1, results, _end, ...);
+		end
+	else
+		for _,b in pairs(t) do
+			s(b, n+1, results, _end, ...);
+		end
+	end
+end
+
+-- Search for keys, nil == wildcard
+local function search(self, ...)
+	local _end = select('#', ...);
+	for n = _end,1 do
+		if select(n, ...) then _end = n; break; end
+	end
+	local results = {};
+	s(self.data, 1, results, _end, ...);
+	return results;
+end
+
+-- Append results to an existing list
+local function search_add(self, results, ...)
+	if not results then results = {}; end
+	local _end = select('#', ...);
+	for n = _end,1 do
+		if select(n, ...) then _end = n; break; end
+	end
+	s(self.data, 1, results, _end, ...);
+	return results;
+end
+
 function new()
 	return {
 		data = {};
@@ -100,6 +136,8 @@ function new()
 		add = add;
 		set = set;
 		remove = remove;
+		search = search;
+		search_add = search_add;
 	};
 end