Comparison

util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error

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equal deleted inserted replaced

-:e385511b3a54
+:401ff68413a1
 	else
 		do_pretty_printing = nil;
 	end
 end
+local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas";
 module "stanza"
 stanza_mt = { __type = "stanza" };
 stanza_mt.__index = stanza_mt;
 	if #t.tags == 0 then
 		return t_concat(t);
 	end
 end
+function stanza_mt.get_error(stanza)
+	local type, condition, text;
+	local error_tag = stanza:get_child("error");
+	if not error_tag then
+		return nil, nil, nil;
+	end
+	type = error_tag.attr.type;
+	for child in error_tag:children() do
+		if child.attr.xmlns == xmlns_stanzas then
+			if not text and child.name == "text" then
+				text = child:get_text();
+			elseif not condition then
+				condition = child.name;
+			end
+			if condition and text then
+				break;
+			end
+		end
+	end
+	return type, condition or "undefined-condition", text or "";
+end
 function stanza_mt.__add(s1, s2)
 	return s1:add_direct_child(s2);
 end