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mod_bosh: Use new httpserver helper to initialise ports
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1 | -- Prosody IM |
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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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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 | --[[ Iterators ]]-- |
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10 | |
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11 | -- Reverse an iterator |
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12 | function reverse(f, s, var) |
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13 | local results = {}; |
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14 | |
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15 | -- First call the normal iterator |
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16 | while true do |
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17 | local ret = { f(s, var) }; |
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18 | var = ret[1]; |
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19 | if var == nil then break; end |
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20 | table.insert(results, 1, ret); |
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21 | end |
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22 | |
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23 | -- Then return our reverse one |
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24 | local i,max = 0, #results; |
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25 | return function (results) |
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26 | if i<max then |
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27 | i = i + 1; |
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28 | return unpack(results[i]); |
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29 | end |
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30 | end, results; |
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31 | end |
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32 | |
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33 | -- Iterate only over keys in a table |
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34 | local function _keys_it(t, key) |
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35 | return (next(t, key)); |
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36 | end |
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37 | function keys(t) |
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38 | return _keys_it, t; |
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39 | end |
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40 | |
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41 | -- Iterate only over values in a table |
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42 | function values(t) |
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43 | local key, val; |
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44 | return function (t) |
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45 | key, val = next(t, key); |
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46 | return val; |
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47 | end, t; |
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48 | end |
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49 | |
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50 | -- Given an iterator, iterate only over unique items |
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51 | function unique(f, s, var) |
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52 | local set = {}; |
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53 | |
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54 | return function () |
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55 | while true do |
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56 | local ret = { f(s, var) }; |
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57 | var = ret[1]; |
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58 | if var == nil then break; end |
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59 | if not set[var] then |
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60 | set[var] = true; |
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61 | return var; |
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62 | end |
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63 | end |
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64 | end; |
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65 | end |
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66 | |
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67 | --[[ Return the number of items an iterator returns ]]-- |
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68 | function count(f, s, var) |
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69 | local x = 0; |
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70 | |
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71 | while true do |
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72 | local ret = { f(s, var) }; |
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73 | var = ret[1]; |
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74 | if var == nil then break; end |
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75 | x = x + 1; |
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76 | end |
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77 | |
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78 | return x; |
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79 | end |
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80 | |
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81 | -- Convert the values returned by an iterator to an array |
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82 | function it2array(f, s, var) |
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83 | local t, var = {}; |
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84 | while true do |
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85 | var = f(s, var); |
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86 | if var == nil then break; end |
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87 | table.insert(t, var); |
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88 | end |
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89 | return t; |
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90 | end |
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91 | |
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92 | -- Treat the return of an iterator as key,value pairs, |
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93 | -- and build a table |
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94 | function it2table(f, s, var) |
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95 | local t, var = {}; |
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96 | while true do |
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97 | var, var2 = f(s, var); |
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98 | if var == nil then break; end |
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99 | t[var] = var2; |
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100 | end |
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101 | return t; |
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102 | end |