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comparison util/error.lua @ 10411:db2a06b9ff98

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Merge 0.11->trunk
author Kim Alvefur <zash@zash.se>
date Sat, 16 Nov 2019 16:52:31 +0100
parents 744ca71a49f7
children d9132e7412b8
comparison
equal deleted inserted replaced
10410:659b577f280c 10411:db2a06b9ff98
1 local error_mt = { __name = "error" };
2
3 function error_mt:__tostring()
4 return ("error<%s:%s:%s>"):format(self.type, self.condition, self.text or "");
5 end
6
7 local function is_err(e)
8 return getmetatable(e) == error_mt;
9 end
10
11 local function new(e, context, registry)
12 local template = (registry and registry[e]) or e or {};
13 return setmetatable({
14 type = template.type or "cancel";
15 condition = template.condition or "undefined-condition";
16 text = template.text;
17 code = template.code or 500;
18
19 context = context or template.context or { _error_id = e };
20 }, error_mt);
21 end
22
23 local function coerce(ok, err, ...)
24 if ok or is_err(err) then
25 return ok, err, ...;
26 end
27
28 local new_err = setmetatable({
29 native = err;
30
31 type = "cancel";
32 condition = "undefined-condition";
33 }, error_mt);
34 return ok, new_err, ...;
35 end
36
37 local function from_stanza(stanza, context)
38 local error_type, condition, text = stanza:get_error();
39 return setmetatable({
40 type = error_type or "cancel";
41 condition = condition or "undefined-condition";
42 text = text;
43
44 context = context or { stanza = stanza };
45 }, error_mt);
46 end
47
48 return {
49 new = new;
50 coerce = coerce;
51 is_err = is_err;
52 from_stanza = from_stanza;
53 }