author | Matthew Wild <mwild1@gmail.com> |
Thu, 09 Oct 2008 00:50:45 +0100 | |
changeset 90 | da468ed49a7b |
parent 70 | a6c00467a3f8 |
child 91 | 6d66eb6b24cb |
permissions | -rw-r--r-- |
1
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changeset
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1 |
local t_insert = table.insert; |
b8787e859fd2
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matthew
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changeset
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2 |
local t_remove = table.remove; |
23 | 3 |
local s_format = string.format; |
1
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matthew
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diff
changeset
|
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local tostring = tostring; |
b8787e859fd2
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matthew
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local setmetatable = setmetatable; |
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matthew
parents:
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local pairs = pairs; |
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matthew
parents:
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local ipairs = ipairs; |
b8787e859fd2
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matthew
parents:
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changeset
|
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local type = type; |
90
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
9 |
local unpack = unpack; |
4 | 10 |
local s_gsub = string.gsub; |
0 | 11 |
module "stanza" |
12 |
||
13 |
stanza_mt = {}; |
|
14 |
stanza_mt.__index = stanza_mt; |
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15 |
||
16 |
function stanza(name, attr) |
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0
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17 |
local stanza = { name = name, attr = attr or {}, tags = {}, last_add = {}}; |
0 | 18 |
return setmetatable(stanza, stanza_mt); |
19 |
end |
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20 |
||
21 |
function stanza_mt:query(xmlns) |
|
22 |
return self:tag("query", { xmlns = xmlns }); |
|
23 |
end |
|
24 |
function stanza_mt:tag(name, attrs) |
|
25 |
local s = stanza(name, attrs); |
|
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(self.last_add[#self.last_add] or self):add_child(s); |
|
27 |
t_insert(self.last_add, s); |
|
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return self; |
|
29 |
end |
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30 |
||
31 |
function stanza_mt:text(text) |
|
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(self.last_add[#self.last_add] or self):add_child(text); |
|
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return self; |
|
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end |
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35 |
||
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function stanza_mt:up() |
|
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t_remove(self.last_add); |
|
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return self; |
|
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end |
|
40 |
||
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function stanza_mt:add_child(child) |
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matthew
parents:
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42 |
if type(child) == "table" then |
b8787e859fd2
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matthew
parents:
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t_insert(self.tags, child); |
b8787e859fd2
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parents:
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44 |
end |
0 | 45 |
t_insert(self, child); |
46 |
end |
|
47 |
||
48 |
function stanza_mt:child_with_name(name) |
|
49 |
for _, child in ipairs(self) do |
|
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if child.name == name then return child; end |
|
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end |
|
52 |
end |
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53 |
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b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
54 |
function stanza_mt:children() |
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local i = 0; |
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parents:
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56 |
return function (a) |
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i = i + 1 |
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parents:
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58 |
local v = a[i] |
b8787e859fd2
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parents:
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59 |
if v then return v; end |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
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60 |
end, self, i; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
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61 |
|
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
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62 |
end |
2 | 63 |
function stanza_mt:childtags() |
64 |
local i = 0; |
|
65 |
return function (a) |
|
66 |
i = i + 1 |
|
67 |
local v = self.tags[i] |
|
68 |
if v then return v; end |
|
69 |
end, self.tags[1], i; |
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70 |
||
71 |
end |
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1
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matthew
parents:
0
diff
changeset
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72 |
|
4 | 73 |
do |
74 |
local xml_entities = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" }; |
|
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function xml_escape(s) return s_gsub(s, "['&<>\"]", xml_entities); end |
|
76 |
end |
|
77 |
||
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local xml_escape = xml_escape; |
|
79 |
||
0 | 80 |
function stanza_mt.__tostring(t) |
81 |
local children_text = ""; |
|
82 |
for n, child in ipairs(t) do |
|
4 | 83 |
if type(child) == "string" then |
84 |
children_text = children_text .. xml_escape(child); |
|
85 |
else |
|
86 |
children_text = children_text .. tostring(child); |
|
87 |
end |
|
0 | 88 |
end |
89 |
||
90 |
local attr_string = ""; |
|
91 |
if t.attr then |
|
23 | 92 |
for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(" %s='%s'", k, tostring(v)); end end |
0 | 93 |
end |
94 |
||
23 | 95 |
return s_format("<%s%s>%s</%s>", t.name, attr_string, children_text, t.name); |
0 | 96 |
end |
97 |
||
98 |
function stanza_mt.__add(s1, s2) |
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matthew
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0
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|
99 |
return s1:add_child(s2); |
0 | 100 |
end |
101 |
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102 |
||
103 |
do |
|
104 |
local id = 0; |
|
105 |
function new_id() |
|
106 |
id = id + 1; |
|
107 |
return "lx"..id; |
|
108 |
end |
|
109 |
end |
|
110 |
||
90
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
111 |
function preserialize(stanza) |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
112 |
local s = { name = stanza.name, attr = stanza.attr }; |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
113 |
for _, child in ipairs(stanza) do |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
114 |
if type(child) == "table" then |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
115 |
t_insert(s, preserialize(child)); |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
116 |
else |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
117 |
t_insert(s, child); |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
118 |
end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
119 |
end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
120 |
return s; |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
121 |
end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
122 |
|
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
123 |
function deserialize(stanza) |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
124 |
-- Set metatable |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
125 |
setmetatable(stanza, stanza_mt); |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
126 |
for _, child in ipairs(stanza) do |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
127 |
if type(child) == "table" then |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
128 |
deserialize(child); |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
129 |
end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
130 |
end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
131 |
if not stanza.tags then |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
132 |
-- Rebuild tags |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
133 |
local tags = {}; |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
134 |
for _, child in ipairs(stanza) do |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
135 |
if type(child) == "table" then |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
136 |
t_insert(tags, child); |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
137 |
end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
138 |
end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
139 |
stanza.tags = tags; |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
140 |
end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
141 |
|
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
142 |
return stanza; |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
143 |
end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
144 |
|
0 | 145 |
function message(attr, body) |
146 |
if not body then |
|
147 |
return stanza("message", attr); |
|
148 |
else |
|
149 |
return stanza("message", attr):tag("body"):text(body); |
|
150 |
end |
|
151 |
end |
|
152 |
function iq(attr) |
|
153 |
if attr and not attr.id then attr.id = new_id(); end |
|
154 |
return stanza("iq", attr or { id = new_id() }); |
|
155 |
end |
|
156 |
||
157 |
function reply(orig) |
|
158 |
return stanza(orig.name, orig.attr and { to = orig.attr.from, from = orig.attr.to, id = orig.attr.id, type = ((orig.name == "iq" and "result") or nil) }); |
|
159 |
end |
|
160 |
||
60
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
161 |
function error_reply(orig, type, condition, message, clone) |
70
a6c00467a3f8
Fixed typo in variable name
Waqas Hussain <waqas20@gmail.com>
parents:
62
diff
changeset
|
162 |
local t = reply(orig); |
60
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
163 |
t.attr.type = "error"; |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
164 |
-- TODO use clone |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
165 |
t:tag("error", {type = type}) |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
166 |
:tag(condition, {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up(); |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
167 |
if (message) then t:tag("text"):text(message):up(); end |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
168 |
return t; -- stanza ready for adding app-specific errors |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
169 |
end |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
170 |
|
0 | 171 |
function presence(attr) |
172 |
return stanza("presence", attr); |
|
173 |
end |
|
174 |
||
90
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
70
diff
changeset
|
175 |
return _M; |