prosody
9ea3094b1fca
util/stanza.lua

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util/stanza.lua @ 7364:9ea3094b1fca

MUC: Save yourself! (fixes reference to current room)
author Kim Alvefur <zash@zash.se>
date Mon, 18 Apr 2016 19:08:31 +0200
parent 7256:9fbb9fbf7e52
child 7758:2b305ec8c146
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rev   line source
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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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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_remove = table.remove;
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12 local t_concat = table.concat;
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13 local s_format = string.format;
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14 local s_match = string.match;
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15 local tostring = tostring;
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16 local setmetatable = setmetatable;
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17 local pairs = pairs;
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18 local ipairs = ipairs;
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19 local type = type;
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20 local s_gsub = string.gsub;
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21 local s_sub = string.sub;
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22 local s_find = string.find;
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23 local os = os;
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24
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25 local do_pretty_printing = not os.getenv("WINDIR");
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26 local getstyle, getstring;
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27 if do_pretty_printing then
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28 local ok, termcolours = pcall(require, "util.termcolours");
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29 if ok then
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30 getstyle, getstring = termcolours.getstyle, termcolours.getstring;
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31 else
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32 do_pretty_printing = nil;
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33 end
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34 end
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35
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36 local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas";
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37
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38 local _ENV = nil;
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39
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40 local stanza_mt = { __type = "stanza" };
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41 stanza_mt.__index = stanza_mt;
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42
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43 local function new_stanza(name, attr, namespaces)
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44 local stanza = { name = name, attr = attr or {}, namespaces = namespaces, tags = {} };
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45 return setmetatable(stanza, stanza_mt);
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46 end
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47
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48 function stanza_mt:query(xmlns)
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49 return self:tag("query", { xmlns = xmlns });
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50 end
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51
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52 function stanza_mt:body(text, attr)
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53 return self:tag("body", attr):text(text);
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54 end
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55
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56 function stanza_mt:tag(name, attr, namespaces)
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57 local s = new_stanza(name, attr, namespaces);
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58 local last_add = self.last_add;
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59 if not last_add then last_add = {}; self.last_add = last_add; end
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60 (last_add[#last_add] or self):add_direct_child(s);
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61 t_insert(last_add, s);
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62 return self;
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63 end
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64
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65 function stanza_mt:text(text)
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66 local last_add = self.last_add;
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67 (last_add and last_add[#last_add] or self):add_direct_child(text);
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68 return self;
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69 end
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70
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71 function stanza_mt:up()
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72 local last_add = self.last_add;
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73 if last_add then t_remove(last_add); end
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74 return self;
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75 end
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76
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77 function stanza_mt:reset()
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78 self.last_add = nil;
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79 return self;
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80 end
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81
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82 function stanza_mt:add_direct_child(child)
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83 if type(child) == "table" then
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84 t_insert(self.tags, child);
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85 end
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86 t_insert(self, child);
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87 end
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88
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89 function stanza_mt:add_child(child)
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90 local last_add = self.last_add;
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91 (last_add and last_add[#last_add] or self):add_direct_child(child);
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92 return self;
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93 end
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94
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95 function stanza_mt:get_child(name, xmlns)
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96 for _, child in ipairs(self.tags) do
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97 if (not name or child.name == name)
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98 and ((not xmlns and self.attr.xmlns == child.attr.xmlns)
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99 or child.attr.xmlns == xmlns) then
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100
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101 return child;
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102 end
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103 end
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104 end
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105
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106 function stanza_mt:get_child_text(name, xmlns)
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107 local tag = self:get_child(name, xmlns);
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108 if tag then
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109 return tag:get_text();
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110 end
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111 return nil;
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112 end
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113
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114 function stanza_mt:child_with_name(name)
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115 for _, child in ipairs(self.tags) do
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116 if child.name == name then return child; end
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117 end
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118 end
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119
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120 function stanza_mt:child_with_ns(ns)
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121 for _, child in ipairs(self.tags) do
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122 if child.attr.xmlns == ns then return child; end
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123 end
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124 end
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125
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126 function stanza_mt:children()
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127 local i = 0;
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128 return function (a)
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129 i = i + 1
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130 return a[i];
1
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131 end, self, i;
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132 end
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133
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134 function stanza_mt:childtags(name, xmlns)
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135 local tags = self.tags;
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136 local start_i, max_i = 1, #tags;
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137 return function ()
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diff changeset
138 for i = start_i, max_i do
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139 local v = tags[i];
4919831b5b56 util.stanza: Clean up matching_tags() and replace :childtags() with it
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parents: 4136
diff changeset
140 if (not name or v.name == name)
4936
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Kim Alvefur <zash@zash.se>
parents: 4749
diff changeset
141 and ((not xmlns and self.attr.xmlns == v.attr.xmlns)
92c86e11fd44 util.stanza: Make stanza:childtags() behave like :get_child()
Kim Alvefur <zash@zash.se>
parents: 4749
diff changeset
142 or v.attr.xmlns == xmlns) then
4168
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diff changeset
143 start_i = i+1;
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parents: 4136
diff changeset
144 return v;
3474
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parents: 2961
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145 end
4168
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146 end
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parents: 4136
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147 end;
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148 end
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diff changeset
149
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150 function stanza_mt:maptags(callback)
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151 local tags, curr_tag = self.tags, 1;
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152 local n_children, n_tags = #self, #tags;
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153
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154 local i = 1;
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155 while curr_tag <= n_tags and n_tags > 0 do
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parents: 3475
diff changeset
156 if self[i] == tags[curr_tag] then
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
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parents: 3475
diff changeset
157 local ret = callback(self[i]);
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parents: 3475
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158 if ret == nil then
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
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parents: 3475
diff changeset
159 t_remove(self, i);
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
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parents: 3475
diff changeset
160 t_remove(tags, curr_tag);
6350b114e0e4 util.stanza: Add stanza:maptags() to apply a function over child tags (return nil to remove tag from stanza)
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parents: 3475
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161 n_children = n_children - 1;
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162 n_tags = n_tags - 1;
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163 i = i - 1;
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164 curr_tag = curr_tag - 1;
3477
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165 else
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parents: 3475
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166 self[i] = ret;
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parents: 5424
diff changeset
167 tags[curr_tag] = ret;
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parents: 3475
diff changeset
168 end
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169 curr_tag = curr_tag + 1;
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170 end
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171 i = i + 1;
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172 end
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173 return self;
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174 end
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175
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diff changeset
176 function stanza_mt:find(path)
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177 local pos = 1;
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178 local len = #path + 1;
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179
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180 repeat
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Kim Alvefur <zash@zash.se>
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181 local xmlns, name, text;
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182 local char = s_sub(path, pos, pos);
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183 if char == "@" then
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184 return self.attr[s_sub(path, pos + 1)];
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185 elseif char == "{" then
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186 xmlns, pos = s_match(path, "^([^}]+)}()", pos + 1);
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187 end
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188 name, text, pos = s_match(path, "^([^@/#]*)([/#]?)()", pos);
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189 name = name ~= "" and name or nil;
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190 if pos == len then
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191 if text == "#" then
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192 return self:get_child_text(name, xmlns);
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193 end
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194 return self:get_child(name, xmlns);
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195 end
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196 self = self:get_child(name, xmlns);
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197 until not self
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198 end
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199
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200
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diff changeset
201 local escape_table = { ["'"] = "&apos;", ["\""] = "&quot;", ["<"] = "&lt;", [">"] = "&gt;", ["&"] = "&amp;" };
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diff changeset
202 local function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end
1931
f203330eb82e util.stanza: Make xml_escape publicly accessible
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diff changeset
203
7253
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204 local function _dostring(t, buf, self, _xml_escape, parentns)
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205 local nsid = 0;
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206 local name = t.name
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207 t_insert(buf, "<"..name);
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diff changeset
208 for k, v in pairs(t.attr) do
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parents: 1984
diff changeset
209 if s_find(k, "\1", 1, true) then
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
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parents: 1984
diff changeset
210 local ns, attrk = s_match(k, "^([^\1]*)\1?(.*)$");
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parents: 1415
diff changeset
211 nsid = nsid + 1;
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parents: 6821
diff changeset
212 t_insert(buf, " xmlns:ns"..nsid.."='".._xml_escape(ns).."' ".."ns"..nsid..":"..attrk.."='".._xml_escape(v).."'");
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parents: 1984
diff changeset
213 elseif not(k == "xmlns" and v == parentns) then
7253
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parents: 6821
diff changeset
214 t_insert(buf, " "..k.."='".._xml_escape(v).."'");
776
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parents: 760
diff changeset
215 end
1416
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parents: 1415
diff changeset
216 end
1431
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diff changeset
217 local len = #t;
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diff changeset
218 if len == 0 then
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
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diff changeset
219 t_insert(buf, "/>");
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diff changeset
220 else
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diff changeset
221 t_insert(buf, ">");
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diff changeset
222 for n=1,len do
9fe9ba693f4a util.stanza: Serializer optimizations, and nicer output for empty elements
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diff changeset
223 local child = t[n];
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parents: 1420
diff changeset
224 if child.name then
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parents: 6821
diff changeset
225 self(child, buf, self, _xml_escape, t.attr.xmlns);
1431
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diff changeset
226 else
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diff changeset
227 t_insert(buf, _xml_escape(child));
1431
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diff changeset
228 end
4
09c3845ed442 Presence unavailable on disconnect
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parents: 2
diff changeset
229 end
1431
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parents: 1420
diff changeset
230 t_insert(buf, "</"..name..">");
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
231 end
626
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
232 end
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
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parents: 519
diff changeset
233 function stanza_mt.__tostring(t)
cf1d26fd4d6f Optimized stanza_mt.__tostring (called when doing tostring(stanza))
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parents: 519
diff changeset
234 local buf = {};
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Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
235 _dostring(t, buf, _dostring, xml_escape, nil);
626
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Waqas Hussain <waqas20@gmail.com>
parents: 519
diff changeset
236 return t_concat(buf);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
237 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
238
242
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
239 function stanza_mt.top_tag(t)
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parents: 209
diff changeset
240 local attr_string = "";
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
241 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 :)
Matthew Wild <mwild1@gmail.com>
parents: 262
diff changeset
242 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
243 end
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
244 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
245 end
f15afbcbc55c Add new top_tag() method to stanzas
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parents: 209
diff changeset
246
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Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
247 function stanza_mt.get_text(t)
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parents: 1416
diff changeset
248 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
249 return t_concat(t);
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parents: 1416
diff changeset
250 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
251 end
1576a5aa52f8 util.stanza: Add stanza:get_text() to retrieve all child text nodes #api
Matthew Wild <mwild1@gmail.com>
parents: 1416
diff changeset
252
2526
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
253 function stanza_mt.get_error(stanza)
7253
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Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
254 local error_type, condition, text;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
255
2526
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
256 local error_tag = stanza:get_child("error");
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
257 if not error_tag then
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
258 return nil, nil, nil;
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
259 end
7253
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Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
260 error_type = error_tag.attr.type;
5776
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
261
5090
61c7c53c06d5 util.stanza: Use ipairs instead of childtags (behavior changed in 92c86e11fd44)
Kim Alvefur <zash@zash.se>
parents: 4936
diff changeset
262 for _, child in ipairs(error_tag.tags) do
2526
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
263 if child.attr.xmlns == xmlns_stanzas then
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
264 if not text and child.name == "text" then
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
265 text = child:get_text();
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
266 elseif not condition then
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
267 condition = child.name;
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
268 end
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
269 if condition and text then
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
270 break;
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
271 end
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
272 end
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
273 end
7253
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Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
274 return error_type, condition or "undefined-condition", text;
2526
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
275 end
401ff68413a1 util.stanza: Add stanza:get_error() to return type, condition and text of a stanza error
Matthew Wild <mwild1@gmail.com>
parents: 2482
diff changeset
276
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Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
277 local id = 0;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
278 local function new_id()
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
279 id = id + 1;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
280 return "lx"..id;
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
281 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
282
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Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
283 local function preserialize(stanza)
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
284 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
285 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
286 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
287 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
288 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
289 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
290 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
291 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
292 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
293 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
294
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Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
295 local function deserialize(stanza)
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
296 -- Set metatable
91
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
297 if stanza then
1415
957a81b72cb2 util.stanza: Remove numeric attributes while deserializing
Waqas Hussain <waqas20@gmail.com>
parents: 1151
diff changeset
298 local attr = stanza.attr;
957a81b72cb2 util.stanza: Remove numeric attributes while deserializing
Waqas Hussain <waqas20@gmail.com>
parents: 1151
diff changeset
299 for i=1,#attr do attr[i] = nil; end
2077
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
300 local attrx = {};
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
301 for att in pairs(attr) do
2956
15a145a67044 util.stanza: Fixed some more nil global accesses.
Waqas Hussain <waqas20@gmail.com>
parents: 2955
diff changeset
302 if s_find(att, "|", 1, true) and not s_find(att, "\1", 1, true) then
15a145a67044 util.stanza: Fixed some more nil global accesses.
Waqas Hussain <waqas20@gmail.com>
parents: 2955
diff changeset
303 local ns,na = s_match(att, "^([^|]+)|(.+)$");
2077
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
304 attrx[ns.."\1"..na] = attr[att];
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
305 attr[att] = nil;
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
306 end
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
307 end
e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
308 for a,v in pairs(attrx) do
2956
15a145a67044 util.stanza: Fixed some more nil global accesses.
Waqas Hussain <waqas20@gmail.com>
parents: 2955
diff changeset
309 attr[a] = v;
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e33658f6052c Changed separator between attribute names and prefixes from '|' to '\1' (optimization and cleanup).
Waqas Hussain <waqas20@gmail.com>
parents: 1984
diff changeset
310 end
91
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
311 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
312 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
313 if type(child) == "table" then
91
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
314 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
315 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
316 end
91
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
317 if not stanza.tags then
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
318 -- Rebuild tags
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
319 local tags = {};
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
320 for _, child in ipairs(stanza) do
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
321 if type(child) == "table" then
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
322 t_insert(tags, child);
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
323 end
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
324 end
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
325 stanza.tags = tags;
6d66eb6b24cb Fixed: util.stanza.deserialize now handles nil stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 90
diff changeset
326 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
327 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
diff changeset
328
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
329 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
330 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
331
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5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
332 local function clone(stanza)
4179
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
333 local attr, tags = {}, {};
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
334 for k,v in pairs(stanza.attr) do attr[k] = v; end
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30c96a5db360 util.stanza, util.xml, util.xmppstream: Add support for tracking defined namespaces and their prefix (stanza.namespaces), knowing/preserving prefix names is required for some applications (thanks daurnimator)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
335 local old_namespaces, namespaces = stanza.namespaces;
30c96a5db360 util.stanza, util.xml, util.xmppstream: Add support for tracking defined namespaces and their prefix (stanza.namespaces), knowing/preserving prefix names is required for some applications (thanks daurnimator)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
336 if old_namespaces then
30c96a5db360 util.stanza, util.xml, util.xmppstream: Add support for tracking defined namespaces and their prefix (stanza.namespaces), knowing/preserving prefix names is required for some applications (thanks daurnimator)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
337 namespaces = {};
30c96a5db360 util.stanza, util.xml, util.xmppstream: Add support for tracking defined namespaces and their prefix (stanza.namespaces), knowing/preserving prefix names is required for some applications (thanks daurnimator)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
338 for k,v in pairs(old_namespaces) do namespaces[k] = v; end
30c96a5db360 util.stanza, util.xml, util.xmppstream: Add support for tracking defined namespaces and their prefix (stanza.namespaces), knowing/preserving prefix names is required for some applications (thanks daurnimator)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
339 end
30c96a5db360 util.stanza, util.xml, util.xmppstream: Add support for tracking defined namespaces and their prefix (stanza.namespaces), knowing/preserving prefix names is required for some applications (thanks daurnimator)
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
340 local new = { name = stanza.name, attr = attr, namespaces = namespaces, tags = tags };
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aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
341 for i=1,#stanza do
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
342 local child = stanza[i];
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
343 if child.name then
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
344 child = clone(child);
4179
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
345 t_insert(tags, child);
1517
22be7637a64d util.stanza: Convert spaces to tabs
Matthew Wild <mwild1@gmail.com>
parents: 1431
diff changeset
346 end
4179
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
347 t_insert(new, child);
1517
22be7637a64d util.stanza: Convert spaces to tabs
Matthew Wild <mwild1@gmail.com>
parents: 1431
diff changeset
348 end
4179
aa07a381e5a6 util.stanza: Rewrite clone() to be more optimized.
Waqas Hussain <waqas20@gmail.com>
parents: 4168
diff changeset
349 return setmetatable(new, stanza_mt);
829
b01fd698495e util/stanza: Added clone function
Waqas Hussain <waqas20@gmail.com>
parents: 776
diff changeset
350 end
b01fd698495e util/stanza: Added clone function
Waqas Hussain <waqas20@gmail.com>
parents: 776
diff changeset
351
6777
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Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
352 local function message(attr, body)
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
353 if not body then
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
354 return new_stanza("message", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
355 else
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
356 return new_stanza("message", attr):tag("body"):text(body):up();
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
357 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
358 end
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
359 local function iq(attr)
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
360 if attr and not attr.id then attr.id = new_id(); end
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
361 return new_stanza("iq", attr or { id = new_id() });
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
362 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
363
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5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
364 local function reply(orig)
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
365 return new_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
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
366 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
367
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
368 local xmpp_stanzas_attr = { xmlns = xmlns_stanzas };
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
369 local function error_reply(orig, error_type, condition, error_message)
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
370 local t = reply(orig);
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
371 t.attr.type = "error";
7253
f4e71242556a util.stanza: Some code cleanup [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
372 t:tag("error", {type = error_type}) --COMPAT: Some day xmlns:stanzas goes here
6777
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
373 :tag(condition, xmpp_stanzas_attr):up();
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374 if error_message then t:tag("text", xmpp_stanzas_attr):text(error_message):up(); end
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375 return t; -- stanza ready for adding app-specific errors
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44800be871f5 User registration, etc (jabber:iq:register)
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376 end
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377
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378 local function presence(attr)
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379 return new_stanza("presence", attr);
0
3e3171b59028 First commit, where do you want to go tomorrow?
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380 end
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381
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382 if do_pretty_printing then
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383 local style_attrk = getstyle("yellow");
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384 local style_attrv = getstyle("red");
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385 local style_tagname = getstyle("red");
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386 local style_punc = getstyle("magenta");
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387
262
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388 local attr_format = " "..getstring(style_attrk, "%s")..getstring(style_punc, "=")..getstring(style_attrv, "'%s'");
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389 local top_tag_format = getstring(style_punc, "<")..getstring(style_tagname, "%s").."%s"..getstring(style_punc, ">");
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390 --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, ">");
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391 local tag_format = top_tag_format.."%s"..getstring(style_punc, "</")..getstring(style_tagname, "%s")..getstring(style_punc, ">");
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392 function stanza_mt.pretty_print(t)
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393 local children_text = "";
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394 for _, child in ipairs(t) do
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395 if type(child) == "string" then
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396 children_text = children_text .. xml_escape(child);
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397 else
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398 children_text = children_text .. child:pretty_print();
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399 end
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400 end
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parents: 251
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401
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parents: 251
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402 local attr_string = "";
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Matthew Wild <mwild1@gmail.com>
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403 if t.attr then
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parents: 251
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404 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
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405 end
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
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406 return s_format(tag_format, t.name, attr_string, children_text, t.name);
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Matthew Wild <mwild1@gmail.com>
parents: 251
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407 end
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5435
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408
262
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Matthew Wild <mwild1@gmail.com>
parents: 251
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409 function stanza_mt.pretty_top_tag(t)
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
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410 local attr_string = "";
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
411 if t.attr then
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
412 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
413 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
414 return s_format(top_tag_format, t.name, attr_string);
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
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415 end
8c73fb2ff4a2 A treat for Linux users ;)
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parents: 251
diff changeset
416 else
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
417 -- Sorry, fresh out of colours for you guys ;)
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Matthew Wild <mwild1@gmail.com>
parents: 251
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418 stanza_mt.pretty_print = stanza_mt.__tostring;
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Matthew Wild <mwild1@gmail.com>
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419 stanza_mt.pretty_top_tag = stanza_mt.top_tag;
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
420 end
8c73fb2ff4a2 A treat for Linux users ;)
Matthew Wild <mwild1@gmail.com>
parents: 251
diff changeset
421
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Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
422 return {
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
423 stanza_mt = stanza_mt;
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Matthew Wild <mwild1@gmail.com>
parents: 6821
diff changeset
424 stanza = new_stanza;
6777
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Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
425 new_id = new_id;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
426 preserialize = preserialize;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
427 deserialize = deserialize;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
428 clone = clone;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
429 message = message;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
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parents: 6501
diff changeset
430 iq = iq;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
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parents: 6501
diff changeset
431 reply = reply;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
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parents: 6501
diff changeset
432 error_reply = error_reply;
5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents: 6501
diff changeset
433 presence = presence;
6821
5de30376bf98 util.stanza: Export xml_escape (missed during removal of module() calls)
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
434 xml_escape = xml_escape;
6777
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parents: 6501
diff changeset
435 };