prosody
fd435cab928f
util/stanza.lua

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util/stanza.lua @ 3153:fd435cab928f

mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
author Waqas Hussain <waqas20@gmail.com>
date Thu, 03 Jun 2010 17:27:49 +0500
parent 2961:db3c0ecce3f4
child 3474:730876bbe4e6
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1523
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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10 local t_insert = table.insert;
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11 local t_concat = table.concat;
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12 local t_remove = table.remove;
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13 local t_concat = table.concat;
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14 local s_format = string.format;
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15 local s_match = string.match;
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16 local tostring = tostring;
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17 local setmetatable = setmetatable;
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18 local getmetatable = getmetatable;
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19 local pairs = pairs;
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20 local ipairs = ipairs;
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21 local type = type;
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22 local next = next;
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23 local print = print;
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24 local unpack = unpack;
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25 local s_gsub = string.gsub;
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26 local s_char = string.char;
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27 local s_find = string.find;
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28 local os = os;
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30 local do_pretty_printing = not os.getenv("WINDIR");
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31 local getstyle, getstring;
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32 if do_pretty_printing then
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33 local ok, termcolours = pcall(require, "util.termcolours");
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34 if ok then
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35 getstyle, getstring = termcolours.getstyle, termcolours.getstring;
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36 else
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37 do_pretty_printing = nil;
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38 end
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39 end
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40
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41 local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas";
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42
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43 module "stanza"
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44
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45 stanza_mt = { __type = "stanza" };
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46 stanza_mt.__index = stanza_mt;
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47
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48 function stanza(name, attr)
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49 local stanza = { name = name, attr = attr or {}, tags = {}, last_add = {}};
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50 return setmetatable(stanza, stanza_mt);
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51 end
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52
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53 function stanza_mt:query(xmlns)
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54 return self:tag("query", { xmlns = xmlns });
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55 end
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56
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57 function stanza_mt:body(text, attr)
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58 return self:tag("body", attr):text(text);
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59 end
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60
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61 function stanza_mt:tag(name, attrs)
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62 local s = stanza(name, attrs);
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63 (self.last_add[#self.last_add] or self):add_direct_child(s);
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64 t_insert(self.last_add, s);
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65 return self;
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66 end
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67
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68 function stanza_mt:text(text)
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69 (self.last_add[#self.last_add] or self):add_direct_child(text);
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70 return self;
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71 end
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72
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73 function stanza_mt:up()
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74 t_remove(self.last_add);
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75 return self;
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76 end
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77
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78 function stanza_mt:reset()
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79 local last_add = self.last_add;
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80 for i = 1,#last_add do
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81 last_add[i] = nil;
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82 end
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83 return self;
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84 end
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85
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86 function stanza_mt:add_direct_child(child)
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87 if type(child) == "table" then
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88 t_insert(self.tags, child);
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89 end
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90 t_insert(self, child);
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91 end
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92
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93 function stanza_mt:add_child(child)
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94 (self.last_add[#self.last_add] or self):add_direct_child(child);
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95 return self;
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96 end
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97
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98 function stanza_mt:get_child(name, xmlns)
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99 for _, child in ipairs(self.tags) do
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100 if (not name or child.name == name)
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101 and ((not xmlns and self.attr.xmlns == child.attr.xmlns)
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102 or child.attr.xmlns == xmlns) then
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103
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104 return child;
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105 end
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106 end
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107 end
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108
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109 function stanza_mt:child_with_name(name)
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110 for _, child in ipairs(self.tags) do
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111 if child.name == name then return child; end
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112 end
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113 end
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114
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115 function stanza_mt:child_with_ns(ns)
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116 for _, child in ipairs(self.tags) do
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117 if child.attr.xmlns == ns then return child; end
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118 end
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119 end
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120
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121 function stanza_mt:children()
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122 local i = 0;
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123 return function (a)
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124 i = i + 1
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125 local v = a[i]
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126 if v then return v; end
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127 end, self, i;
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128 end
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129 function stanza_mt:childtags()
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130 local i = 0;
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131 return function (a)
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132 i = i + 1
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133 local v = self.tags[i]
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134 if v then return v; end
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135 end, self.tags[1], i;
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136 end
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137
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138 local xml_escape
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139 do
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140 local escape_table = { ["'"] = "&apos;", ["\""] = "&quot;", ["<"] = "&lt;", [">"] = "&gt;", ["&"] = "&amp;" };
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141 function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end
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142 _M.xml_escape = xml_escape;
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143 end
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144
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145 local function _dostring(t, buf, self, xml_escape, parentns)
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146 local nsid = 0;
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
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diff changeset
147 local name = t.name
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parents: 1420
diff changeset
148 t_insert(buf, "<"..name);
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f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
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parents: 1415
diff changeset
149 for k, v in pairs(t.attr) do
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parents: 1984
diff changeset
150 if s_find(k, "\1", 1, true) then
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
151 local ns, attrk = s_match(k, "^([^\1]*)\1?(.*)$");
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f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
Waqas Hussain <waqas20@gmail.com>
parents: 1415
diff changeset
152 nsid = nsid + 1;
f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
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parents: 1415
diff changeset
153 t_insert(buf, " xmlns:ns"..nsid.."='"..xml_escape(ns).."' ".."ns"..nsid..":"..attrk.."='"..xml_escape(v).."'");
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parents: 1984
diff changeset
154 elseif not(k == "xmlns" and v == parentns) then
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f916f0ff90e5 util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization
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parents: 1415
diff changeset
155 t_insert(buf, " "..k.."='"..xml_escape(v).."'");
776
89eb9f59993c util.stanza: Temporary fix for serializing attributes with namespaces
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parents: 760
diff changeset
156 end
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parents: 1415
diff changeset
157 end
1431
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parents: 1420
diff changeset
158 local len = #t;
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
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parents: 1420
diff changeset
159 if len == 0 then
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
Waqas Hussain <waqas20@gmail.com>
parents: 1420
diff changeset
160 t_insert(buf, "/>");
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parents: 1420
diff changeset
161 else
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
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parents: 1420
diff changeset
162 t_insert(buf, ">");
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parents: 1420
diff changeset
163 for n=1,len do
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
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parents: 1420
diff changeset
164 local child = t[n];
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
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parents: 1420
diff changeset
165 if child.name then
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parents: 1984
diff changeset
166 self(child, buf, self, xml_escape, t.attr.xmlns);
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parents: 1420
diff changeset
167 else
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
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parents: 1420
diff changeset
168 t_insert(buf, xml_escape(child));
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parents: 1420
diff changeset
169 end
4
09c3845ed442 Presence unavailable on disconnect
matthew
parents: 2
diff changeset
170 end
1431
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parents: 1420
diff changeset
171 t_insert(buf, "</"..name..">");
0
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parents:
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172 end
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cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
173 end
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
174 function stanza_mt.__tostring(t)
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
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parents: 519
diff changeset
175 local buf = {};
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parents: 1984
diff changeset
176 _dostring(t, buf, _dostring, xml_escape, nil);
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cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
177 return t_concat(buf);
0
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178 end
3e3171b59028 First commit, where do you want to go tomorrow?
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parents:
diff changeset
179
242
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
180 function stanza_mt.top_tag(t)
f15afbcbc55c Add new top_tag() method to stanzas
Matthew Wild <mwild1@gmail.com>
parents: 209
diff changeset
181 local attr_string = "";
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parents: 209
diff changeset
182 if t.attr then
338
804f5e62a41f Don't forget to escape XML in attributes. Thanks to the Postgres Q&amp;A room on conference.jabber.org :)
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parents: 262
diff changeset
183 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
242
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
184 end
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
185 return s_format("<%s%s>", t.name, attr_string);
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
186 end
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
187
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parents: 1416
diff changeset
188 function stanza_mt.get_text(t)
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parents: 1416
diff changeset
189 if #t.tags == 0 then
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
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parents: 1416
diff changeset
190 return t_concat(t);
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
191 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
192 end
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Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
193
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parents: 2482
diff changeset
194 function stanza_mt.get_error(stanza)
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parents: 2482
diff changeset
195 local type, condition, text;
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parents: 2482
diff changeset
196
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parents: 2482
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197 local error_tag = stanza:get_child("error");
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parents: 2482
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198 if not error_tag then
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parents: 2482
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199 return nil, nil, nil;
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parents: 2482
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200 end
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parents: 2482
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201 type = error_tag.attr.type;
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
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parents: 2482
diff changeset
202
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parents: 2482
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203 for child in error_tag:children() do
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parents: 2482
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204 if child.attr.xmlns == xmlns_stanzas then
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parents: 2482
diff changeset
205 if not text and child.name == "text" then
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parents: 2482
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206 text = child:get_text();
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parents: 2482
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207 elseif not condition then
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parents: 2482
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208 condition = child.name;
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parents: 2482
diff changeset
209 end
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parents: 2482
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210 if condition and text then
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parents: 2482
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211 break;
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parents: 2482
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212 end
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parents: 2482
diff changeset
213 end
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parents: 2482
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214 end
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parents: 2482
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215 return type, condition or "undefined-condition", text or "";
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parents: 2482
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216 end
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Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
217
0
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matthew
parents:
diff changeset
218 function stanza_mt.__add(s1, s2)
180
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parents: 145
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219 return s1:add_direct_child(s2);
0
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parents:
diff changeset
220 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
221
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
222
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
223 do
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parents: 1431
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224 local id = 0;
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parents: 1431
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225 function new_id()
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226 id = id + 1;
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227 return "lx"..id;
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parents: 1431
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228 end
0
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matthew
parents:
diff changeset
229 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
230
90
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents: 70
diff changeset
231 function preserialize(stanza)
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parents: 70
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232 local s = { name = stanza.name, attr = stanza.attr };
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parents: 70
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233 for _, child in ipairs(stanza) do
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Matthew Wild <mwild1@gmail.com>
parents: 70
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234 if type(child) == "table" then
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Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
235 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
236 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
237 t_insert(s, child);
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents: 70
diff changeset
238 end
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents: 70
diff changeset
239 end
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents: 70
diff changeset
240 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
241 end
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents: 70
diff changeset
242
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
243 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: 70
diff changeset
244 -- Set metatable
91
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parents: 90
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245 if stanza then
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parents: 1151
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246 local attr = stanza.attr;
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parents: 1151
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247 for i=1,#attr do attr[i] = nil; end
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parents: 1984
diff changeset
248 local attrx = {};
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parents: 1984
diff changeset
249 for att in pairs(attr) do
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parents: 2955
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250 if s_find(att, "|", 1, true) and not s_find(att, "\1", 1, true) then
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parents: 2955
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251 local ns,na = s_match(att, "^([^|]+)|(.+)$");
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parents: 1984
diff changeset
252 attrx[ns.."\1"..na] = attr[att];
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parents: 1984
diff changeset
253 attr[att] = nil;
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parents: 1984
diff changeset
254 end
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parents: 1984
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255 end
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parents: 1984
diff changeset
256 for a,v in pairs(attrx) do
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parents: 2955
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257 attr[a] = v;
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parents: 1984
diff changeset
258 end
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parents: 90
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259 setmetatable(stanza, stanza_mt);
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parents: 70
diff changeset
260 for _, child in ipairs(stanza) do
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parents: 70
diff changeset
261 if type(child) == "table" then
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parents: 90
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262 deserialize(child);
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parents: 70
diff changeset
263 end
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parents: 70
diff changeset
264 end
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parents: 90
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265 if not stanza.tags then
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parents: 90
diff changeset
266 -- Rebuild tags
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parents: 90
diff changeset
267 local tags = {};
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parents: 90
diff changeset
268 for _, child in ipairs(stanza) do
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parents: 90
diff changeset
269 if type(child) == "table" then
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parents: 90
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270 t_insert(tags, child);
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parents: 90
diff changeset
271 end
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272 end
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
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273 stanza.tags = tags;
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274 if not stanza.last_add then
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275 stanza.last_add = {};
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276 end
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277 end
90
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278 end
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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279
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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280 return stanza;
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281 end
da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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282
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283 function clone(stanza)
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284 local lookup_table = {};
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285 local function _copy(object)
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286 if type(object) ~= "table" then
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287 return object;
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288 elseif lookup_table[object] then
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289 return lookup_table[object];
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290 end
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291 local new_table = {};
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292 lookup_table[object] = new_table;
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293 for index, value in pairs(object) do
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294 new_table[_copy(index)] = _copy(value);
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295 end
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296 return setmetatable(new_table, getmetatable(object));
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297 end
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298
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299 return _copy(stanza)
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300 end
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301
0
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302 function message(attr, body)
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303 if not body then
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304 return stanza("message", attr);
3e3171b59028 First commit, where do you want to go tomorrow?
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305 else
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306 return stanza("message", attr):tag("body"):text(body);
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307 end
3e3171b59028 First commit, where do you want to go tomorrow?
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308 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
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309 function iq(attr)
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310 if attr and not attr.id then attr.id = new_id(); end
3e3171b59028 First commit, where do you want to go tomorrow?
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311 return stanza("iq", attr or { id = new_id() });
3e3171b59028 First commit, where do you want to go tomorrow?
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312 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
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313
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
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314 function reply(orig)
209
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315 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
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316 end
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317
2848
b2f367f16eb8 util.stanza: stanza.error_reply(): Fix to put the correct namespace on <text>
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parents: 2264
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318 do
b2f367f16eb8 util.stanza: stanza.error_reply(): Fix to put the correct namespace on <text>
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319 local xmpp_stanzas_attr = { xmlns = xmlns_stanzas };
b2f367f16eb8 util.stanza: stanza.error_reply(): Fix to put the correct namespace on <text>
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parents: 2264
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320 function error_reply(orig, type, condition, message)
b2f367f16eb8 util.stanza: stanza.error_reply(): Fix to put the correct namespace on <text>
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parents: 2264
diff changeset
321 local t = reply(orig);
b2f367f16eb8 util.stanza: stanza.error_reply(): Fix to put the correct namespace on <text>
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parents: 2264
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322 t.attr.type = "error";
b2f367f16eb8 util.stanza: stanza.error_reply(): Fix to put the correct namespace on <text>
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parents: 2264
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323 t:tag("error", {type = type}) --COMPAT: Some day xmlns:stanzas goes here
b2f367f16eb8 util.stanza: stanza.error_reply(): Fix to put the correct namespace on <text>
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parents: 2264
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324 :tag(condition, xmpp_stanzas_attr):up();
b2f367f16eb8 util.stanza: stanza.error_reply(): Fix to put the correct namespace on <text>
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parents: 2264
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325 if (message) then t:tag("text", xmpp_stanzas_attr):text(message):up(); end
b2f367f16eb8 util.stanza: stanza.error_reply(): Fix to put the correct namespace on <text>
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parents: 2264
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326 return t; -- stanza ready for adding app-specific errors
b2f367f16eb8 util.stanza: stanza.error_reply(): Fix to put the correct namespace on <text>
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parents: 2264
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327 end
60
44800be871f5 User registration, etc (jabber:iq:register)
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parents: 30
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328 end
44800be871f5 User registration, etc (jabber:iq:register)
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parents: 30
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329
0
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330 function presence(attr)
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331 return stanza("presence", attr);
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332 end
3e3171b59028 First commit, where do you want to go tomorrow?
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333
262
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334 if do_pretty_printing then
8c73fb2ff4a2 A treat for Linux users ;)
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335 local style_attrk = getstyle("yellow");
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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336 local style_attrv = getstyle("red");
8c73fb2ff4a2 A treat for Linux users ;)
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337 local style_tagname = getstyle("red");
8c73fb2ff4a2 A treat for Linux users ;)
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338 local style_punc = getstyle("magenta");
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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339
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
340 local attr_format = " "..getstring(style_attrk, "%s")..getstring(style_punc, "=")..getstring(style_attrv, "'%s'");
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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341 local top_tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">");
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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342 --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, ">");
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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343 local tag_format = top_tag_format.."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">");
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
344 function stanza_mt.pretty_print(t)
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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345 local children_text = "";
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
346 for n, child in ipairs(t) do
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a1570e371258 util.stanza: Trailing whitespace
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parents: 2264
diff changeset
347 if type(child) == "string" then
262
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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348 children_text = children_text .. xml_escape(child);
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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349 else
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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350 children_text = children_text .. child:pretty_print();
8c73fb2ff4a2 A treat for Linux users ;)
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351 end
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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352 end
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
353
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
354 local attr_string = "";
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
355 if t.attr then
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
356 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
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
357 end
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
358 return s_format(tag_format, t.name, attr_string, children_text, t.name);
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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359 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
360
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
361 function stanza_mt.pretty_top_tag(t)
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
362 local attr_string = "";
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
363 if t.attr then
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
364 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
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
365 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
366 return s_format(top_tag_format, t.name, attr_string);
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
367 end
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
368 else
8c73fb2ff4a2 A treat for Linux users ;)
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diff changeset
369 -- Sorry, fresh out of colours for you guys ;)
8c73fb2ff4a2 A treat for Linux users ;)
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370 stanza_mt.pretty_print = stanza_mt.__tostring;
8c73fb2ff4a2 A treat for Linux users ;)
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diff changeset
371 stanza_mt.pretty_top_tag = stanza_mt.top_tag;
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
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diff changeset
372 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
373
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da468ed49a7b Stanza preserialize/deserialize helpers, to strip and restore stanzas respectively. Fixed mod_vcard to use these.
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parents: 70
diff changeset
374 return _M;