X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fstanza.lua;h=28e26e0a407232701ce7b2bdc8af0efa41e473e3;hb=fb812de36f5f7ae98eefa52640345565f5562223;hp=08ef2c9aa1649deac35eca8fd38488e7982a5372;hpb=4643eae0bf41b461c9337bfb66f9ac80f7e84f11;p=prosody.git

diff --git a/util/stanza.lua b/util/stanza.lua
index 08ef2c9a..28e26e0a 100644
--- a/util/stanza.lua
+++ b/util/stanza.lua
@@ -122,10 +122,26 @@ function stanza_mt:children()
 	local i = 0;
 	return function (a)
 			i = i + 1
-			local v = a[i]
-			if v then return v; end
+			return a[i];
 		end, self, i;
 end
+
+function stanza_mt:matching_tags(name, xmlns)
+	xmlns = xmlns or self.attr.xmlns;
+	local tags = self.tags;
+	local start_i, max_i = 1, #tags;
+	return function ()
+			for i=start_i,max_i do
+				v = tags[i];
+				if (not name or v.name == name)
+				and (not xmlns or xmlns == v.attr.xmlns) then
+					start_i = i+1;
+					return v;
+				end
+			end
+		end, tags, i;
+end
+
 function stanza_mt:childtags()
 	local i = 0;
 	return function (a)
@@ -135,6 +151,30 @@ function stanza_mt:childtags()
 		end, self.tags[1], i;
 end
 
+function stanza_mt:maptags(callback)
+	local tags, curr_tag = self.tags, 1;
+	local n_children, n_tags = #self, #tags;
+	
+	local i = 1;
+	while curr_tag <= n_tags do
+		if self[i] == tags[curr_tag] then
+			local ret = callback(self[i]);
+			if ret == nil then
+				t_remove(self, i);
+				t_remove(tags, curr_tag);
+				n_children = n_children - 1;
+				n_tags = n_tags - 1;
+			else
+				self[i] = ret;
+				tags[i] = ret;
+			end
+			i = i + 1;
+			curr_tag = curr_tag + 1;
+		end
+	end
+	return self;
+end
+
 local xml_escape
 do
 	local escape_table = { ["'"] = "&apos;", ["\""] = "&quot;", ["<"] = "&lt;", [">"] = "&gt;", ["&"] = "&amp;" };
@@ -303,7 +343,7 @@ function message(attr, body)
 	if not body then
 		return stanza("message", attr);
 	else
-		return stanza("message", attr):tag("body"):text(body);
+		return stanza("message", attr):tag("body"):text(body):up();
 	end
 end
 function iq(attr)