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77 lines
2.2 KiB
77 lines
2.2 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 dir_sep, path_sep = package.config:match("^(%S+)%s(%S+)");
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local plugin_dir = {};
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for path in (CFG_PLUGINDIR or "./plugins/"):gsub("[/\\]", dir_sep):gmatch("[^"..path_sep.."]+") do
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path = path..dir_sep; -- add path separator to path end
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path = path:gsub(dir_sep..dir_sep.."+", dir_sep); -- coalesce multiple separaters
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plugin_dir[#plugin_dir + 1] = path;
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end
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local io_open = io.open;
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local envload = require "util.envload".envload;
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local function load_file(names)
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local file, err, path;
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for i=1,#plugin_dir do
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for j=1,#names do
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path = plugin_dir[i]..names[j];
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file, err = io_open(path);
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if file then
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local content = file:read("*a");
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file:close();
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return content, path;
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end
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end
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end
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return file, err;
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end
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local function load_resource(plugin, resource)
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resource = resource or "mod_"..plugin..".lua";
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local names = {
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"mod_"..plugin..dir_sep..plugin..dir_sep..resource; -- mod_hello/hello/mod_hello.lua
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"mod_"..plugin..dir_sep..resource; -- mod_hello/mod_hello.lua
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plugin..dir_sep..resource; -- hello/mod_hello.lua
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resource; -- mod_hello.lua
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};
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return load_file(names);
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end
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local function load_code(plugin, resource, env)
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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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local path = err;
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local f, err = envload(content, "@"..path, env);
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if not f then return f, err; end
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return f, path;
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end
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local function load_code_ext(plugin, resource, extension, env)
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local content, err = load_resource(plugin, resource.."."..extension);
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if not content then
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content, err = load_resource(resource, resource.."."..extension);
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if not content then
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return content, err;
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end
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end
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local path = err;
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local f, err = envload(content, "@"..path, env);
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if not f then return f, err; end
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return f, path;
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end
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return {
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load_file = load_file;
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load_resource = load_resource;
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load_code = load_code;
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load_code_ext = load_code_ext;
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};
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