[Yashas]

eINI provides another method where finding a key takes constant time(much faster than MySQL).You can directly tell the position of the key so that it needn't search the whole linked list.

How the parser assigns relative key and section ids?

then use those IDs

Reading (Static)

You can also read a dummy player file and store the relative key ids in variables and use them for all files.The IDs won't change if all the profiles follow a particular format.