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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local dir_sep, path_sep = package.config:match("^(%S+)%s(%S+)");
local plugin_dir = {};
for path in (CFG_PLUGINDIR or "./plugins/"):gsub("[/\\]", dir_sep):gmatch("[^"..path_sep.."]+") do
path = path..dir_sep; -- add path separator to path end
path = path:gsub(dir_sep..dir_sep.."+", dir_sep); -- coalesce multiple separaters
plugin_dir[#plugin_dir + 1] = path;
end
local io_open, os_time = io.open, os.time;
local loadstring, pairs = loadstring, pairs;
module "pluginloader"
local function load_file(name)
local file, err, path;
for i=1,#plugin_dir do
path = plugin_dir[i]..name;
file, err = io_open(path);
if file then break; end
end
if not file then return file, err; end
local content = file:read("*a");
file:close();
return content, path;
end
function load_resource(plugin, resource)
local path, name = plugin:match("([^/]*)/?(.*)");
if name == "" then
if not resource then
resource = "mod_"..plugin..".lua";
end
local content, err = load_file(plugin.."/"..resource);
if not content then content, err = load_file(resource); end
return content, err;
else
if not resource then
resource = "mod_"..name..".lua";
end
local content, err = load_file(plugin.."/"..resource);
if not content then content, err = load_file(path.."/"..resource); end
return content, err;
end
end
function load_code(plugin, resource)
local content, err = load_resource(plugin, resource);
if not content then return content, err; end
local path = err;
local f, err = loadstring(content, "@"..path);
if not f then return f, err; end
return f, path;
end
return _M;
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