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util/helpers.lua @ 3617:26c9ba8f309c
mod_component: Use module:get_option() instead of configmanager.
author | Waqas Hussain <waqas20@gmail.com> |
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date | Fri, 12 Nov 2010 23:35:02 +0500 |
parent | 2923:b7049746bd29 |
child | 4536:285450536ec0 |
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 module("helpers", package.seeall); |
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10 |
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11 -- Helper functions for debugging |
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12 |
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13 local log = require "util.logger".init("util.debug"); |
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14 |
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15 function log_events(events, name, logger) |
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16 local f = events.fire_event; |
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17 if not f then |
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18 error("Object does not appear to be a util.events object"); |
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19 end |
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20 logger = logger or log; |
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21 name = name or tostring(events); |
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22 function events.fire_event(event, ...) |
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23 logger("debug", "%s firing event: %s", name, event); |
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24 return f(event, ...); |
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25 end |
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26 events[events.fire_event] = f; |
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27 return events; |
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28 end |
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29 |
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30 function revert_log_events(events) |
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31 events.fire_event, events[events.fire_event] = events[events.fire_event], nil; -- :) |
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32 end |
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33 |
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34 function get_upvalue(f, get_name) |
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35 local i, name, value = 0; |
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36 repeat |
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37 i = i + 1; |
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38 name, value = debug.getupvalue(f, i); |
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39 until name == get_name or name == nil; |
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40 return value; |
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41 end |
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42 |
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43 return _M; |