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69 lines
1.7 KiB
69 lines
1.7 KiB
-- Prosody IM
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-- Copyright (C) 2008-2010 Matthew Wild
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-- Copyright (C) 2008-2010 Waqas Hussain
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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local plugin_dir = CFG_PLUGINDIR or "./plugins/";
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local io_open, os_time = io.open, os.time;
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local loadstring, pairs = loadstring, pairs;
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local datamanager = require "util.datamanager";
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module "pluginloader"
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local function load_from_datastore(name)
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local content = datamanager.load(name, nil, "plugins");
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if not content or not content[1] then return nil, "Resource not found"; end
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return content[1], name;
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end
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local function load_file(name)
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local file, err = io_open(plugin_dir..name);
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if not file then return file, err; end
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local content = file:read("*a");
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file:close();
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return content, name;
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end
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function load_resource(plugin, resource, loader)
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if not resource then
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resource = "mod_"..plugin..".lua";
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end
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loader = loader or load_file;
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local content, err = loader(plugin.."/"..resource);
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if not content then content, err = loader(resource); end
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-- TODO add support for packed plugins
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if not content and loader == load_file then
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return load_resource(plugin, resource, load_from_datastore);
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end
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return content, err;
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end
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function store_resource(plugin, resource, content, metadata)
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if not resource then
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resource = "mod_"..plugin..".lua";
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end
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local store = { content };
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if metadata then
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for k,v in pairs(metadata) do
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store[k] = v;
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end
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end
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datamanager.store(plugin.."/"..resource, nil, "plugins", store);
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end
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function load_code(plugin, resource)
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local content, err = load_resource(plugin, resource);
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if not content then return content, err; end
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return loadstring(content, "@"..err);
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end
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return _M;
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