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-rw-r--r--util/stanza.lua44
1 files changed, 34 insertions, 10 deletions
diff --git a/util/stanza.lua b/util/stanza.lua
index 069daa53..ad982d42 100644
--- a/util/stanza.lua
+++ b/util/stanza.lua
@@ -38,6 +38,8 @@ if do_pretty_printing then
end
end
+local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas";
+
module "stanza"
stanza_mt = { __type = "stanza" };
@@ -65,7 +67,7 @@ end
function stanza_mt:text(text)
(self.last_add[#self.last_add] or self):add_direct_child(text);
- return self;
+ return self;
end
function stanza_mt:up()
@@ -95,7 +97,7 @@ end
function stanza_mt:get_child(name, xmlns)
for _, child in ipairs(self.tags) do
- if (not name or child.name == name)
+ if (not name or child.name == name)
and ((not xmlns and self.attr.xmlns == child.attr.xmlns)
or child.attr.xmlns == xmlns) then
@@ -105,13 +107,13 @@ function stanza_mt:get_child(name, xmlns)
end
function stanza_mt:child_with_name(name)
- for _, child in ipairs(self.tags) do
+ for _, child in ipairs(self.tags) do
if child.name == name then return child; end
end
end
function stanza_mt:child_with_ns(ns)
- for _, child in ipairs(self.tags) do
+ for _, child in ipairs(self.tags) do
if child.attr.xmlns == ns then return child; end
end
end
@@ -123,7 +125,6 @@ function stanza_mt:children()
local v = a[i]
if v then return v; end
end, self, i;
-
end
function stanza_mt:childtags()
local i = 0;
@@ -132,7 +133,6 @@ function stanza_mt:childtags()
local v = self.tags[i]
if v then return v; end
end, self.tags[1], i;
-
end
local xml_escape
@@ -191,6 +191,30 @@ function stanza_mt.get_text(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
@@ -223,14 +247,14 @@ function deserialize(stanza)
for i=1,#attr do attr[i] = nil; end
local attrx = {};
for att in pairs(attr) do
- if s_find(att, "|", 1, true) and not s_find(k, "\1", 1, true) then
- local ns,na = s_match(k, "^([^|]+)|(.+)$");
+ if s_find(att, "|", 1, true) and not s_find(att, "\1", 1, true) then
+ local ns,na = s_match(att, "^([^|]+)|(.+)$");
attrx[ns.."\1"..na] = attr[att];
attr[att] = nil;
end
end
for a,v in pairs(attrx) do
- attr[x] = v;
+ attr[a] = v;
end
setmetatable(stanza, stanza_mt);
for _, child in ipairs(stanza) do
@@ -320,7 +344,7 @@ if do_pretty_printing then
function stanza_mt.pretty_print(t)
local children_text = "";
for n, child in ipairs(t) do
- if type(child) == "string" then
+ if type(child) == "string" then
children_text = children_text .. xml_escape(child);
else
children_text = children_text .. child:pretty_print();