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Add support for repeating previous/next commands #146

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Add support for repeating previous/next commands #146

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35 changes: 33 additions & 2 deletions plugin/unimpaired.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -44,8 +44,9 @@ function! s:MapNextFamily(map,cmd) abort
let map = '<Plug>unimpaired'.toupper(a:map)
let cmd = '".(v:count ? v:count : "")."'.a:cmd
let end = '"<CR>'.(a:cmd ==# 'l' || a:cmd ==# 'c' ? 'zv' : '')
execute 'nnoremap <silent> '.map.'Previous :<C-U>exe "'.cmd.'previous'.end
execute 'nnoremap <silent> '.map.'Next :<C-U>exe "'.cmd.'next'.end
let prevnext = printf('["normal \%sPrevious", "normal \%sNext"]', map, map)
execute 'nnoremap <silent> '.map.'Previous :<C-U>exe <SID>prevnext("'.a:cmd.'", "previous", '.prevnext.')<CR>'
execute 'nnoremap <silent> '.map.'Next :<C-U>exe <SID>prevnext("'.a:cmd.'", "next", '.prevnext.')<CR>'
execute 'nnoremap <silent> '.map.'First :<C-U>exe "'.cmd.'first'.end
execute 'nnoremap <silent> '.map.'Last :<C-U>exe "'.cmd.'last'.end
call s:map('n', '['. a:map , map.'Previous')
Expand Down Expand Up @@ -84,6 +85,36 @@ function! s:entries(path) abort
return files
endfunction

" Handle previous/next movements, storing the last used one.
function! s:prevnext(cmd, dir, prevnext) abort
let g:unimpaired_prevnext = a:prevnext
let cmd = (v:count ? v:count : '').a:cmd.a:dir
if a:cmd ==# 'l' || a:cmd ==# 'c'
let cmd .= '|normal zv'
endif
return cmd
endfunction
function! s:last_prevnext_cmd(dir) abort
let prevnext = get(g:, 'unimpaired_prevnext', [])
if empty(prevnext)
if &diff
let m = 'c'
elseif !empty(getloclist(0))
let m = 'l'
elseif !empty(getqflist())
let m = 'q'
else
let m = 'n'
endif
return 'normal '.(a:dir ==# 'previous' ? '[' : ']').m
endif
return (a:dir ==# 'previous' ? prevnext[0] : prevnext[1])
endfunction
execute 'nnoremap <silent> <Plug>unimpairedRepeatPrevious :<C-U>exe <SID>last_prevnext_cmd("previous")<CR>'
execute 'nnoremap <silent> <Plug>unimpairedRepeatNext :<C-U>exe <SID>last_prevnext_cmd("next")<CR>'
call s:map('n', '[.', '<Plug>unimpairedRepeatPrevious')
call s:map('n', '].', '<Plug>unimpairedRepeatNext')

function! s:FileByOffset(num) abort
let file = expand('%:p')
if empty(file)
Expand Down