151 function stanza_mt:maptags(callback)

   151 function stanza_mt:maptags(callback)

   152 	local tags, curr_tag = self.tags, 1;

   152 	local tags, curr_tag = self.tags, 1;

   153 	local n_children, n_tags = #self, #tags;

   153 	local n_children, n_tags = #self, #tags;

   154 	

   154 	

   155 	local i = 1;

   155 	local i = 1;

   157 		if self[i] == tags[curr_tag] then

   157 		if self[i] == tags[curr_tag] then

   158 			local ret = callback(self[i]);

   158 			local ret = callback(self[i]);

   159 			if ret == nil then

   159 			if ret == nil then

   160 				t_remove(self, i);

   160 				t_remove(self, i);

   161 				t_remove(tags, curr_tag);

   161 				t_remove(tags, curr_tag);

   162 				n_children = n_children - 1;

   162 				n_children = n_children - 1;

   163 				n_tags = n_tags - 1;

   163 				n_tags = n_tags - 1;

   164 			else

   166 			else

   165 				self[i] = ret;

   167 				self[i] = ret;

   166 				tags[i] = ret;

   168 				tags[i] = ret;

   167 			end

   169 			end

   169 			curr_tag = curr_tag + 1;

   170 			curr_tag = curr_tag + 1;

   170 		end

   171 		end

   171 	end

   173 	end

   172 	return self;

   174 	return self;

   173 end

   175 end

   174 

   176 

   175 local xml_escape

   177 local xml_escape