prosody
191b9f0e5485
util/multitable.lua

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util/multitable.lua @ 781:191b9f0e5485

Fixed: Some presence stanzas from local users were not being routed correctly to components (ghosts in mod_muc)
author Waqas Hussain <waqas20@gmail.com>
date Wed, 11 Feb 2009 18:11:41 +0500
parent 760:90ce865eebd8
child 840:ad842df925c7
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5cccfb5da6cb 0.2->0.3
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1 -- Prosody IM v0.3
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 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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11 local select = select;
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12 local t_insert = table.insert;
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13 local pairs = pairs;
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14 local next = next;
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15
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16 module "multitable"
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17
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18 local function get(self, ...)
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19 local t = self.data;
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20 for n = 1,select('#', ...) do
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21 t = t[select(n, ...)];
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22 if not t then break; end
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23 end
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24 return t;
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25 end
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26
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27 local function add(self, ...)
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28 local t = self.data;
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29 local count = select('#', ...);
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30 for n = 1,count-1 do
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31 local key = select(n, ...);
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32 local tab = t[key];
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33 if not tab then tab = {}; t[key] = tab; end
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34 t = tab;
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35 end
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36 t_insert(t, (select(count, ...)));
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37 end
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38
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39 local function set(self, ...)
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40 local t = self.data;
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41 local count = select('#', ...);
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42 for n = 1,count-2 do
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43 local key = select(n, ...);
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44 local tab = t[key];
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45 if not tab then tab = {}; t[key] = tab; end
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46 t = tab;
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47 end
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48 t[(select(count-1, ...))] = (select(count, ...));
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49 end
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50
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51 local function r(t, n, _end, ...)
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52 if t == nil then return; end
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53 local k = select(n, ...);
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54 if n == _end then
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55 t[k] = nil;
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56 return;
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57 end
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58 if k then
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59 v = t[k];
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60 if v then
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61 r(v, n+1, _end, ...);
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62 if not next(v) then
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63 t[k] = nil;
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64 end
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65 end
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66 else
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67 for _,b in pairs(t) do
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68 r(b, n+1, _end, ...);
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69 if not next(b) then
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70 t[_] = nil;
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71 end
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72 end
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73 end
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74 end
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75
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76 local function remove(self, ...)
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77 local _end = select('#', ...);
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78 for n = _end,1 do
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79 if select(n, ...) then _end = n; break; end
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80 end
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81 r(self.data, 1, _end, ...);
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82 end
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83
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84
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85 function new()
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86 return {
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87 data = {};
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88 get = get;
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89 add = add;
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90 set = set;
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91 remove = remove;
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92 };
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93 end
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94
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95 return _M;