prosody
495de404a8ae
util/pluginloader.lua

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util/pluginloader.lua @ 7567:495de404a8ae

ejabberdsql2prosody: rename variable 'host' to prevent shadowing upvalue [luacheck] Functions roster(), roster_pending(), roster_group(), private_storage() and offline_msg() have argument named "host", which used to shadow upvalue of this variable before this change. Instead of renaming this argument, let's rename the variable to match what the script says in usage: Usage: ejabberdsql2prosody.lua filename.txt hostname
author Anton Shestakov <av6@dwimlabs.net>
date Fri, 12 Aug 2016 13:44:47 +0800
parent 7115:805d068d2fd5
child 8382:e5d00bf4a4d5
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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 local dir_sep, path_sep = package.config:match("^(%S+)%s(%S+)");
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10 local plugin_dir = {};
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11 for path in (CFG_PLUGINDIR or "./plugins/"):gsub("[/\\]", dir_sep):gmatch("[^"..path_sep.."]+") do
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12 path = path..dir_sep; -- add path separator to path end
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13 path = path:gsub(dir_sep..dir_sep.."+", dir_sep); -- coalesce multiple separaters
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14 plugin_dir[#plugin_dir + 1] = path;
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15 end
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16
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17 local io_open = io.open;
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18 local envload = require "util.envload".envload;
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20 local function load_file(names)
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21 local file, err, path;
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22 for i=1,#plugin_dir do
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23 for j=1,#names do
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24 path = plugin_dir[i]..names[j];
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25 file, err = io_open(path);
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26 if file then
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27 local content = file:read("*a");
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28 file:close();
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29 return content, path;
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30 end
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31 end
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32 end
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33 return file, err;
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34 end
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35
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36 local function load_resource(plugin, resource)
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37 resource = resource or "mod_"..plugin..".lua";
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39 local names = {
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40 "mod_"..plugin..dir_sep..plugin..dir_sep..resource; -- mod_hello/hello/mod_hello.lua
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41 "mod_"..plugin..dir_sep..resource; -- mod_hello/mod_hello.lua
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42 plugin..dir_sep..resource; -- hello/mod_hello.lua
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43 resource; -- mod_hello.lua
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44 };
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46 return load_file(names);
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47 end
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49 local function load_code(plugin, resource, env)
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50 local content, err = load_resource(plugin, resource);
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51 if not content then return content, err; end
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52 local path = err;
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53 local f, err = envload(content, "@"..path, env);
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54 if not f then return f, err; end
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55 return f, path;
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56 end
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57
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58 local function load_code_ext(plugin, resource, extension, env)
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59 local content, err = load_resource(plugin, resource.."."..extension);
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60 if not content then
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61 content, err = load_resource(resource, resource.."."..extension);
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62 if not content then
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63 return content, err;
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64 end
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65 end
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66 local path = err;
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67 local f, err = envload(content, "@"..path, env);
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68 if not f then return f, err; end
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69 return f, path;
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70 end
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71
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72 return {
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73 load_file = load_file;
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74 load_resource = load_resource;
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75 load_code = load_code;
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76 load_code_ext = load_code_ext;
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77 };