Am 07.03.2010 12:39, schrieb James Cole:
Hi,
I was trying to write a vmap for a custom text-object, and I could
move the cursor to select the text by using a search specified
directly within the vmap, but if I tried to instead put those searches
in separte functions and call those functions from within the vmap, it
didn't work.
When you execute the sequence
V:<C-U>call NextSection()<Enter>
by hand, you will notice that returning from Cmdline mode clears the
visual area. Executing
normal! gv
early within function restores the visual area.
function! PrevSection()
execute "?^:"
endfunction
function! NextSection()
execute "/^:"
endfunction
vmap ac<ESC>:call PrevSection()<CR>V:call NextSection()<CR>k
(BTW, this is for a text file format I'm using that contains sections
delimited by headings - a heading is just a line that starts with a
colon.
e.g.
:section 1 heading
text of section one
::section 1.1 heading
some more text
:section 2 heading
the text of section 2
)
suggestion:
function! SelectASection()
call search("^:", "bcW")
normal! V
let line2 = search("^:", "W")
if line2 == 0
$
else
-
endif
endfunction
noremap <silent> ac :<C-U>call SelectASection()<CR>
nunmap ac| sunmap ac
This will work for Visual mode and Operator pending mode.
TODO (maybe)
- support a count
- if there is already a Visual area, extend it (don't replace it)
--
Andy
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