author | Matthew Wild <mwild1@gmail.com> |
Wed, 10 Dec 2008 15:32:13 +0000 | |
changeset 613 | 6c09127b50fb |
parent 519 | cccd610a0ef9 |
child 615 | 4ae3e81513f3 |
permissions | -rw-r--r-- |
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1 |
-- Prosody IM v0.1 |
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-- Copyright (C) 2008 Matthew Wild |
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-- Copyright (C) 2008 Waqas Hussain |
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4 |
-- |
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-- This program is free software; you can redistribute it and/or |
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-- modify it under the terms of the GNU General Public License |
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-- as published by the Free Software Foundation; either version 2 |
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-- of the License, or (at your option) any later version. |
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-- |
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-- This program is distributed in the hope that it will be useful, |
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of |
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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-- GNU General Public License for more details. |
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-- |
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-- You should have received a copy of the GNU General Public License |
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-- along with this program; if not, write to the Free Software |
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-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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-- |
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local t_insert = table.insert; |
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local t_remove = table.remove; |
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local t_concat = table.concat; |
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local s_format = string.format; |
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local tostring = tostring; |
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local setmetatable = setmetatable; |
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local pairs = pairs; |
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local ipairs = ipairs; |
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local type = type; |
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local next = next; |
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local print = print; |
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local unpack = unpack; |
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local s_gsub = string.gsub; |
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local os = os; |
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262 | 36 |
local do_pretty_printing = not os.getenv("WINDIR"); |
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local getstyle, getstring = require "util.termcolours".getstyle, require "util.termcolours".getstring; |
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local log = require "util.logger".init("stanza"); |
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module "stanza" |
42 |
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stanza_mt = {}; |
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stanza_mt.__index = stanza_mt; |
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function stanza(name, attr) |
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local stanza = { name = name, attr = attr or {}, tags = {}, last_add = {}}; |
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return setmetatable(stanza, stanza_mt); |
49 |
end |
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function stanza_mt:query(xmlns) |
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return self:tag("query", { xmlns = xmlns }); |
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end |
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function stanza_mt:body(text, attr) |
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return self:tag("body", attr):text(text); |
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end |
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0 | 59 |
function stanza_mt:tag(name, attrs) |
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local s = stanza(name, attrs); |
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(self.last_add[#self.last_add] or self):add_direct_child(s); |
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t_insert(self.last_add, s); |
63 |
return self; |
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end |
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function stanza_mt:text(text) |
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(self.last_add[#self.last_add] or self):add_direct_child(text); |
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return self; |
69 |
end |
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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 |
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function stanza_mt:add_direct_child(child) |
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if type(child) == "table" then |
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t_insert(self.tags, child); |
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end |
0 | 80 |
t_insert(self, child); |
81 |
end |
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function stanza_mt:add_child(child) |
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(self.last_add[#self.last_add] or self):add_direct_child(child); |
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return self; |
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end |
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0 | 88 |
function stanza_mt:child_with_name(name) |
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for _, child in ipairs(self) do |
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if child.name == name then return child; end |
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end |
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end |
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function stanza_mt:children() |
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local i = 0; |
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return function (a) |
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i = i + 1 |
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local v = a[i] |
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if v then return v; end |
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end, self, i; |
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end |
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function stanza_mt:childtags() |
104 |
local i = 0; |
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return function (a) |
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i = i + 1 |
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local v = self.tags[i] |
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if v then return v; end |
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end, self.tags[1], i; |
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end |
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4 | 113 |
do |
114 |
local xml_entities = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" }; |
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function xml_escape(s) return s_gsub(s, "['&<>\"]", xml_entities); end |
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end |
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local xml_escape = xml_escape; |
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local function dostring(t, buf, self, xml_escape) |
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t_insert(buf, "<"); |
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t_insert(buf, t.name); |
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for k, v in pairs(t.attr) do if type(k) == "string" then |
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t_insert(buf, " "); |
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t_insert(buf, k); |
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t_insert(buf, "='"); |
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t_insert(buf, (xml_escape(tostring(v)))); |
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t_insert(buf, "'"); |
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end end |
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t_insert(buf, ">"); |
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for n, child in ipairs(t) do |
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if child.name then |
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self(child, buf, self, xml_escape); |
4 | 134 |
else |
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t_insert(buf, (xml_escape(child))); |
4 | 136 |
end |
0 | 137 |
end |
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t_insert(buf, "</"); |
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t_insert(buf, t.name); |
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t_insert(buf, ">"); |
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end |
0 | 142 |
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function stanza_mt.__tostring(t) |
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local buf = {}; |
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dostring(t, buf, dostring, xml_escape); |
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return t_concat(buf); |
0 | 147 |
end |
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function stanza_mt.top_tag(t) |
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local attr_string = ""; |
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if t.attr then |
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153 |
for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(" %s='%s'", k, xml_escape(tostring(v))); end end |
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154 |
end |
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return s_format("<%s%s>", t.name, attr_string); |
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156 |
end |
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0 | 158 |
function stanza_mt.__add(s1, s2) |
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159 |
return s1:add_direct_child(s2); |
0 | 160 |
end |
161 |
||
162 |
||
163 |
do |
|
164 |
local id = 0; |
|
165 |
function new_id() |
|
166 |
id = id + 1; |
|
167 |
return "lx"..id; |
|
168 |
end |
|
169 |
end |
|
170 |
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171 |
function preserialize(stanza) |
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172 |
local s = { name = stanza.name, attr = stanza.attr }; |
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173 |
for _, child in ipairs(stanza) do |
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174 |
if type(child) == "table" then |
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175 |
t_insert(s, preserialize(child)); |
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176 |
else |
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177 |
t_insert(s, child); |
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178 |
end |
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179 |
end |
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180 |
return s; |
da468ed49a7b
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parents:
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181 |
end |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
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changeset
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182 |
|
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
|
183 |
function deserialize(stanza) |
da468ed49a7b
Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents:
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|
184 |
-- Set metatable |
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parents:
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|
185 |
if stanza then |
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parents:
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|
186 |
setmetatable(stanza, stanza_mt); |
90
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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 |
for _, child in ipairs(stanza) do |
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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
|
188 |
if type(child) == "table" then |
91
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parents:
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changeset
|
189 |
deserialize(child); |
90
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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
|
190 |
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
|
191 |
end |
91
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Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents:
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changeset
|
192 |
if not stanza.tags then |
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parents:
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changeset
|
193 |
-- Rebuild tags |
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parents:
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|
194 |
local tags = {}; |
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parents:
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changeset
|
195 |
for _, child in ipairs(stanza) do |
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parents:
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changeset
|
196 |
if type(child) == "table" then |
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parents:
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changeset
|
197 |
t_insert(tags, child); |
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parents:
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changeset
|
198 |
end |
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parents:
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changeset
|
199 |
end |
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parents:
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|
200 |
stanza.tags = tags; |
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parents:
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changeset
|
201 |
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
|
202 |
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
|
203 |
|
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
|
204 |
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
|
205 |
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
|
206 |
|
0 | 207 |
function message(attr, body) |
208 |
if not body then |
|
209 |
return stanza("message", attr); |
|
210 |
else |
|
211 |
return stanza("message", attr):tag("body"):text(body); |
|
212 |
end |
|
213 |
end |
|
214 |
function iq(attr) |
|
215 |
if attr and not attr.id then attr.id = new_id(); end |
|
216 |
return stanza("iq", attr or { id = new_id() }); |
|
217 |
end |
|
218 |
||
219 |
function reply(orig) |
|
209
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220 |
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 orig.attr.type) }); |
0 | 221 |
end |
222 |
||
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User registration, etc (jabber:iq:register)
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223 |
function error_reply(orig, type, condition, message, clone) |
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|
224 |
local t = reply(orig); |
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parents:
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225 |
t.attr.type = "error"; |
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parents:
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|
226 |
-- TODO use clone |
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parents:
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227 |
t:tag("error", {type = type}) |
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parents:
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228 |
:tag(condition, {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up(); |
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parents:
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229 |
if (message) then t:tag("text"):text(message):up(); end |
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User registration, etc (jabber:iq:register)
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parents:
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|
230 |
return t; -- stanza ready for adding app-specific errors |
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User registration, etc (jabber:iq:register)
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parents:
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|
231 |
end |
44800be871f5
User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
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|
232 |
|
0 | 233 |
function presence(attr) |
234 |
return stanza("presence", attr); |
|
235 |
end |
|
236 |
||
262 | 237 |
if do_pretty_printing then |
238 |
local style_attrk = getstyle("yellow"); |
|
239 |
local style_attrv = getstyle("red"); |
|
240 |
local style_tagname = getstyle("red"); |
|
241 |
local style_punc = getstyle("magenta"); |
|
242 |
||
243 |
local attr_format = " "..getstring(style_attrk, "%s")..getstring(style_punc, "=")..getstring(style_attrv, "'%s'"); |
|
244 |
local top_tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">"); |
|
245 |
--local tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">").."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">"); |
|
246 |
local tag_format = top_tag_format.."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">"); |
|
247 |
function stanza_mt.pretty_print(t) |
|
248 |
local children_text = ""; |
|
249 |
for n, child in ipairs(t) do |
|
250 |
if type(child) == "string" then |
|
251 |
children_text = children_text .. xml_escape(child); |
|
252 |
else |
|
253 |
children_text = children_text .. child:pretty_print(); |
|
254 |
end |
|
255 |
end |
|
256 |
||
257 |
local attr_string = ""; |
|
258 |
if t.attr then |
|
259 |
for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(attr_format, k, tostring(v)); end end |
|
260 |
end |
|
261 |
return s_format(tag_format, t.name, attr_string, children_text, t.name); |
|
262 |
end |
|
263 |
||
264 |
function stanza_mt.pretty_top_tag(t) |
|
265 |
local attr_string = ""; |
|
266 |
if t.attr then |
|
267 |
for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(attr_format, k, tostring(v)); end end |
|
268 |
end |
|
269 |
return s_format(top_tag_format, t.name, attr_string); |
|
270 |
end |
|
271 |
else |
|
272 |
-- Sorry, fresh out of colours for you guys ;) |
|
273 |
stanza_mt.pretty_print = stanza_mt.__tostring; |
|
274 |
stanza_mt.pretty_top_tag = stanza_mt.top_tag; |
|
275 |
end |
|
276 |
||
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
|
277 |
return _M; |