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