Software /
code /
prosody
Annotate
util/stanza.lua @ 181:d952eae776dc
Don't set cursor inside added child when using add_child()
author | Matthew Wild <mwild1@gmail.com> |
---|---|
date | Sun, 26 Oct 2008 14:39:52 +0000 |
parent | 180:d8b9a19d70eb |
child | 209:e9de0803676d |
rev | line source |
---|---|
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
1 local t_insert = table.insert; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
2 local t_remove = table.remove; |
23 | 3 local s_format = string.format; |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
4 local tostring = tostring; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
5 local setmetatable = setmetatable; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
6 local pairs = pairs; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
7 local ipairs = ipairs; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
8 local type = type; |
145 | 9 local next = next; |
10 local print = print; | |
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
|
11 local unpack = unpack; |
4 | 12 local s_gsub = string.gsub; |
145 | 13 |
14 local debug = debug; | |
15 local log = require "util.logger".init("stanza"); | |
16 | |
0 | 17 module "stanza" |
18 | |
19 stanza_mt = {}; | |
20 stanza_mt.__index = stanza_mt; | |
21 | |
22 function stanza(name, attr) | |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
23 local stanza = { name = name, attr = attr or {}, tags = {}, last_add = {}}; |
0 | 24 return setmetatable(stanza, stanza_mt); |
25 end | |
26 | |
27 function stanza_mt:query(xmlns) | |
28 return self:tag("query", { xmlns = xmlns }); | |
29 end | |
30 function stanza_mt:tag(name, attrs) | |
31 local s = stanza(name, attrs); | |
180
d8b9a19d70eb
Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents:
145
diff
changeset
|
32 (self.last_add[#self.last_add] or self):add_direct_child(s); |
0 | 33 t_insert(self.last_add, s); |
34 return self; | |
35 end | |
36 | |
37 function stanza_mt:text(text) | |
180
d8b9a19d70eb
Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents:
145
diff
changeset
|
38 (self.last_add[#self.last_add] or self):add_direct_child(text); |
0 | 39 return self; |
40 end | |
41 | |
42 function stanza_mt:up() | |
43 t_remove(self.last_add); | |
44 return self; | |
45 end | |
46 | |
180
d8b9a19d70eb
Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents:
145
diff
changeset
|
47 function stanza_mt:add_direct_child(child) |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
48 if type(child) == "table" then |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
49 t_insert(self.tags, child); |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
50 end |
0 | 51 t_insert(self, child); |
52 end | |
53 | |
180
d8b9a19d70eb
Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents:
145
diff
changeset
|
54 function stanza_mt:add_child(child) |
d8b9a19d70eb
Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents:
145
diff
changeset
|
55 (self.last_add[#self.last_add] or self):add_direct_child(child); |
d8b9a19d70eb
Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents:
145
diff
changeset
|
56 return self; |
d8b9a19d70eb
Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents:
145
diff
changeset
|
57 end |
d8b9a19d70eb
Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents:
145
diff
changeset
|
58 |
0 | 59 function stanza_mt:child_with_name(name) |
60 for _, child in ipairs(self) do | |
61 if child.name == name then return child; end | |
62 end | |
63 end | |
64 | |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
65 function stanza_mt:children() |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
66 local i = 0; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
67 return function (a) |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
68 i = i + 1 |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
69 local v = a[i] |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
70 if v then return v; end |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
71 end, self, i; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
72 |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
73 end |
2 | 74 function stanza_mt:childtags() |
75 local i = 0; | |
76 return function (a) | |
77 i = i + 1 | |
78 local v = self.tags[i] | |
79 if v then return v; end | |
80 end, self.tags[1], i; | |
81 | |
82 end | |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
0
diff
changeset
|
83 |
4 | 84 do |
85 local xml_entities = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" }; | |
86 function xml_escape(s) return s_gsub(s, "['&<>\"]", xml_entities); end | |
87 end | |
88 | |
89 local xml_escape = xml_escape; | |
90 | |
0 | 91 function stanza_mt.__tostring(t) |
92 local children_text = ""; | |
93 for n, child in ipairs(t) do | |
4 | 94 if type(child) == "string" then |
95 children_text = children_text .. xml_escape(child); | |
96 else | |
97 children_text = children_text .. tostring(child); | |
98 end | |
0 | 99 end |
100 | |
101 local attr_string = ""; | |
102 if t.attr then | |
23 | 103 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 | 104 end |
23 | 105 return s_format("<%s%s>%s</%s>", t.name, attr_string, children_text, t.name); |
0 | 106 end |
107 | |
108 function stanza_mt.__add(s1, s2) | |
180
d8b9a19d70eb
Make add_child() behave as expected. Old add_child() is now add_direct_child()
Matthew Wild <mwild1@gmail.com>
parents:
145
diff
changeset
|
109 return s1:add_direct_child(s2); |
0 | 110 end |
111 | |
112 | |
113 do | |
114 local id = 0; | |
115 function new_id() | |
116 id = id + 1; | |
117 return "lx"..id; | |
118 end | |
119 end | |
120 | |
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
|
121 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
|
122 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
|
123 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
|
124 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
|
125 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
|
126 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
|
127 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
|
128 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
|
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 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
|
131 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
|
132 |
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 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
|
134 -- Set metatable |
91
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
135 if stanza then |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
136 setmetatable(stanza, stanza_mt); |
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
|
137 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
|
138 if type(child) == "table" then |
91
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
139 deserialize(child); |
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
|
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 end |
91
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
142 if not stanza.tags then |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
143 -- Rebuild tags |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
144 local tags = {}; |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
145 for _, child in ipairs(stanza) do |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
146 if type(child) == "table" then |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
147 t_insert(tags, child); |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
148 end |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
149 end |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
150 stanza.tags = tags; |
6d66eb6b24cb
Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
90
diff
changeset
|
151 end |
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
|
152 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
|
153 |
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
|
154 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
|
155 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
|
156 |
0 | 157 function message(attr, body) |
158 if not body then | |
159 return stanza("message", attr); | |
160 else | |
161 return stanza("message", attr):tag("body"):text(body); | |
162 end | |
163 end | |
164 function iq(attr) | |
165 if attr and not attr.id then attr.id = new_id(); end | |
166 return stanza("iq", attr or { id = new_id() }); | |
167 end | |
168 | |
169 function reply(orig) | |
170 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) }); | |
171 end | |
172 | |
60
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
173 function error_reply(orig, type, condition, message, clone) |
70
a6c00467a3f8
Fixed typo in variable name
Waqas Hussain <waqas20@gmail.com>
parents:
62
diff
changeset
|
174 local t = reply(orig); |
60
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
175 t.attr.type = "error"; |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
176 -- TODO use clone |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
177 t:tag("error", {type = type}) |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
178 :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
|
179 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
|
180 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
|
181 end |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
30
diff
changeset
|
182 |
0 | 183 function presence(attr) |
184 return stanza("presence", attr); | |
185 end | |
186 | |
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
|
187 return _M; |