Am 22.05.2017 um 20:14 schrieb Brett Stahlman:
I would like to be able to save and restore mappings
programmatically. In order to do so, however, I need to be able to
determine the exact lhs and rhs used to create the mapping. I had
assumed the lhs/rhs members of the dictionary returned by maparg()
would provided this information, but as the simple example below
illustrates, it does not. The problem is that both the 4 character
mapping... "<F7>" ...and the single character function key mapping
produce the same output for maparg()['lhs'] and `nmap <buffer>'. (The
nmap output does at least colorize the function key, but the text
output is identical.) The 'rhs' member seems to be treated slightly
differently, but still inconsistently: in particular, for the maps
created under default 'cpo', 'rhs' looks correct, but for <F9>
(created with '<' in 'cpo'), it looks wrong. I suspect what's
happening is that 'rhs' is always reporting exactly what was typed,
but since in the general case I have no way of knowing what 'cpo' was
in effect when the map was created, this isn't very helpful.
Is there a programmatic way to determine lhs and rhs in some sort of
canonical form? Also helpful would be if hasmapto() (or something
like it) told you exactly which lhs was mapped to the specified rhs.
(I realize there could be more than one, since hasmapto() doesn't
require an exact match, but there's a similar situation with
mapcheck(), and it just picks one mapping to return, which can be
useful in certain use cases.) More generally, it seems there should
be some way to determine a list of lhs from a given rhs...
Maybe you're asking the wrong question.
"Wrong" in the sense that there are other solutions to your problem.
Could you be more specific about your use case?
--
Andy
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