webmcp
view framework/env/convert/from_human.lua @ 28:ea2e8f3a2776
allow webmcp path to be set in cgi script
this allows another script to include the webmcp script when the cwd is not the cgi-bin. the script needs to set the WEBMCP_PATH variable.
this allows another script to include the webmcp script when the cwd is not the cgi-bin. the script needs to set the WEBMCP_PATH variable.
| author | Daniel Poelzleithner <poelzi@poelzi.org> |
|---|---|
| date | Sun Sep 19 01:36:08 2010 +0200 (2010-09-19) |
| parents | 9fdfb27f8e67 |
| children |
line source
1 function convert.from_human(str, typ)
2 if not typ then
3 error("Using convert.from_human(...) to convert a human readable string to an internal data type needs a type to be specified as second parameter.")
4 end
5 if not str then return nil end -- TODO: decide, if an error should be raised instead
6 local type_symbol = convert._type_symbol_mappings[typ]
7 if not type_symbol then
8 error("Unrecognized type reference passed to convert.from_human(...).")
9 end
10 local converter = convert["_from_human_to_" .. type_symbol]
11 if not converter then
12 error("Type reference passed to convert.from_human(...) was recognized, but the converter function is not existent.")
13 end
14 return converter(str)
15 end