webmcp
view framework/env/execute/load_chunk.lua @ 32:e31af860e97c
add id/params support
author | Daniel Poelzleithner <poelzi@poelzi.org> |
---|---|
date | Tue Oct 05 04:26:48 2010 +0200 (2010-10-05) |
parents | 1cd9e69b85cb |
children | 209a686464a1 |
line source
1 --[[--
2 status_code = -- executes and returns a lua file
3 execute.load_chunk{
4 file_path = file_path, -- path to a lua source or byte-code file
5 app = app, -- app name to use or the current will be used
6 module = module, -- module where chunk is located
7 chunk = chunk -- filename of lua file to load
8 id = id, -- id to be returned by param.get_id(...) during execution
9 params = params -- parameters to be returned by param.get(...) during execution
10 }
12 This function loads and executes a lua file specified by a given path or constructs
13 a path to load from the module and chunk name.
15 --]]--
17 function execute.load_chunk(args)
18 local file_path = args.file_path
19 local app = args.app
20 local module = args.module
21 local chunk = args.chunk
22 local id = args.id
23 local params = args.params
25 app = app or request.get_app_name()
27 file_path = file_path or encode.file_path(request.get_app_basepath(),
28 'app', app, module, chunk)
31 local func, load_errmsg = loadfile(file_path)
32 if not func then
33 error('Could not load file "' .. file_path .. '": ' .. load_errmsg)
34 end
36 if id or params then
37 param.exchange(id, params)
38 end
40 local result = func()
42 if id or params then
43 param.restore()
44 end
46 return result
47 end