1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
%%%----------------------------------------------------------------------
%%% File : jlib.erl
%%% Author : Alexey Shchepin <alexey@sevcom.net>
%%% Purpose :
%%% Created : 23 Nov 2002 by Alexey Shchepin <alexey@sevcom.net>
%%% Id : $Id$
%%%----------------------------------------------------------------------
-module(jlib).
-author('alexey@sevcom.net').
-vsn('$Revision$ ').
-export([make_error_reply/3, make_correct_from_to_attrs/3,
replace_from_to_attrs/3, string_to_jid/1, tolower/1]).
%send_iq(From, To, ID, SubTags) ->
% ok.
make_error_reply({xmlelement, Name, Attrs, SubTags}, Code, Desc) ->
NewAttrs = make_error_reply_attrs(Attrs),
{xmlelement, Name, NewAttrs, SubTags ++ [{xmlelement, "error",
[{"code", Code}],
[{xmlcdata, Desc}]}]}.
make_error_reply_attrs(Attrs) ->
To = xml:get_attr("to", Attrs),
From = xml:get_attr("from", Attrs),
Attrs1 = lists:keydelete("to", 1, Attrs),
Attrs2 = lists:keydelete("from", 1, Attrs1),
Attrs3 = case To of
{value, ToVal} ->
[{"from", ToVal} | Attrs2];
_ ->
Attrs2
end,
Attrs4 = case From of
{value, FromVal} ->
[{"to", FromVal} | Attrs3];
_ ->
Attrs3
end,
Attrs5 = lists:keydelete("type", 1, Attrs4),
Attrs6 = [{"type", "error"} | Attrs5],
Attrs6.
make_correct_from_to_attrs(From, To, Attrs) ->
Attrs1 = lists:keydelete("from", 1, Attrs),
Attrs2 = case xml:get_attr("to", Attrs) of
{value, _} ->
Attrs1;
_ ->
[{"to", To} | Attrs1]
end,
Attrs3 = [{"from", From} | Attrs2],
Attrs3.
replace_from_to_attrs(From,To,Attrs) ->
Attrs1 = lists:keydelete("to", 1, Attrs),
Attrs2 = lists:keydelete("from", 1, Attrs1),
Attrs3 = [{"to", To} | Attrs2],
Attrs4 = [{"from", From} | Attrs3],
Attrs4.
string_to_jid(J) ->
string_to_jid1(J, "").
string_to_jid1([$@ | J], "") ->
error;
string_to_jid1([$@ | J], N) ->
string_to_jid2(J, lists:reverse(N), "");
string_to_jid1([$/ | J], "") ->
error;
string_to_jid1([$/ | J], N) ->
string_to_jid3(J, "", lists:reverse(N), "");
string_to_jid1([C | J], N) ->
string_to_jid1(J, [C | N]);
string_to_jid1([], "") ->
error;
string_to_jid1([], N) ->
{"", lists:reverse(N), ""}.
string_to_jid2([$/ | J], N, "") ->
error;
string_to_jid2([$/ | J], N, S) ->
string_to_jid3(J, N, lists:reverse(S), "");
string_to_jid2([C | J], N, S) ->
string_to_jid2(J, N, [C | S]);
string_to_jid2([], N, "") ->
error;
string_to_jid2([], N, S) ->
{N, lists:reverse(S), ""}.
string_to_jid3([C | J], N, S, R) ->
string_to_jid3(J, N, S, [C | R]);
string_to_jid3([], N, S, R) ->
{N, S, lists:reverse(R)}.
% TODO: UNICODE support
tolower_c(C) when C >= $A, C =< $Z ->
C + 32;
tolower_c(C) ->
C.
tolower(S) ->
lists:map(fun tolower_c/1, S).
|
