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" Function for commenting out blocks of text.
noremap cd <cmd>set operatorfunc=<sid>comment<cr>g@
nnoremap cdd <cmd>set operatorfunc=<sid>comment<cr>g@_
nnoremap cD <cmd>set operatorfunc=<sid>comment<cr>g@$
" Comment out the rest of the line and put the cursor into insert mode
noremap cdC c<Plug><SID>(comment-change-object-i)
" Comment out the line and go into insert mode before the first non-blank
" character.
noremap cdcc c<Plug><SID>(comment-change-object-I)
onoremap <Plug><SID>(comment-change-object-i) <cmd>call <sid>change_comment_obj('i')<cr>
onoremap <Plug><SID>(comment-change-object-I) <cmd>call <sid>change_comment_obj('I')<cr>
onoremap i/ <cmd>call <sid>inner_comment(v:operator)<cr>
vnoremap i/ <cmd>call <sid>inner_comment('')<cr>
noremap czd <cmd>set operatorfunc=<sid>uncomment<cr>g@
nnoremap czdd <cmd>set operatorfunc=<sid>uncomment<cr>g@_
function! s:inner_comment(op)
let [line_com, bstart, bcont, bend, bpad, inl] =
\ get(s:comment_style, &ft, ['#', '#', '#', '#', 0, 0])
let lc = escape(line_com, '/')
if getline('.') =~ printf('\V\^\s\*%s', lc)
call search(printf('\V\^\s\*\S\(%s\)\@<!', lc), 'W')
exec "normal! k$m>"
let l = search(printf('\V\^\s\*\S\(%s\)\@<!', lc), 'bW')
if l == 0
normal! 0m<
else
exec "normal! j0m<"
endif
normal! gvoh
if a:op == 'c'
exec printf("normal! \<esc>i%s gv%dll", line_com, len(line_com))
endif
else
let cs = escape(bstart, '/')
let ce = escape(bend, '/')
normal! k
let l2 = search('\V\zs\S\_s\*' . ce, 'Wc')
exec "normal! m>"
let l1 = search('\V' . cs . '\S\*\_s\?\zs', 'bW')
exec "normal! m<gvo"
if l1 != l2 && len(v:operator) > 0
exec printf("normal! \<esc>i%s gv%dll", bcont, len(bcont))
else
" exec printf("normal! \<esc>i%s gv%dllo%dll", bcont, len(bcont), len(bcont))
endif
endif
endfunction
function! s:change_comment_obj(mv) abort
if v:operator == 'c'
" This is a cheese to allow the cdcc and cdC commands to be repeated with
" the dot operator. When in insert mode <left><right><up><down> stop
" recording into the redobuff. This is a way to get around that.
"
" exec "normal! i \<esc>v"
let [line_com, bstart, bcont, bend, bpad, inl] =
\ get(s:comment_style, &ft, ['#', '#', '#', '#', 0, 0])
exec printf("normal! %s %s \<esc>%dhvl", a:mv, line_com, len(line_com) + 3)
else
endif
endfunction
" filetype, linecomment, block start, block continue, blockend, blockpad,
" inline_support
let s:comment_style = {
\ 'java': ['//', '/*', ' *', '*/', 1, 1],
\ 'c': ['//', '/*', ' *', '*/', 1, 1],
\ 'cpp': ['//', '/*', ' *', '*/', 1, 1],
\ 'vim': ['"', '"', '"', '"', 0, 0]
\ }
function! s:uncomment(arg, ...) abort
let [line_com, bstart, bcont, bend, bpad, inl] =
\ get(s:comment_style, &ft, ['#', '#', '#', '#', 0, 0])
let l1 = line("'[")
let l2 = line("']")
if inl
silent exec printf(
\ 'silent! %s,%s s/\V\zs%s\s\?\ze//', l1, l2, escape(bstart, '/'))
silent exec printf('silent! %s,%s s/\V\zs\s\?%s\ze//', l1, l2, escape(bend, '/'))
endif
silent exec printf('silent! %s,%s s/\V\^\s\*\zs%s\s\?\ze//', l1, l2, escape(line_com, '/'))
silent exec printf('silent! %s,%s s/\V\^\s\*\zs%s\s\?\ze//', l1, l2, escape(bcont, '/'))
endfunction
function! s:comment(arg, ...) abort
let cb = { 'arg': a:arg }
normal! m`
function! cb.operate(ls, t) dict abort
let [line_com, bstart, bcont, bend, bpad, inl] = get(s:comment_style, &ft, ['#', '#', '#', '#', 0, 0])
let smallest = 100
let ls = a:ls
if self.arg == 'line' || len(ls) > 1
for l in ls
if ! (l =~ '^\s*$')
let sz = match(l, '^\(\s\+\)\zs\S\ze') + 1
if sz <= 0
let sz = 1
endif
if sz < smallest && sz > 0
let smallest = sz
endif
endif
endfor
if self.arg == 'line'
let i = 0
while i < len(ls)
let ls[i] = substitute(ls[i], printf('\%%%dc', smallest), line_com . ' ', '')
let i += 1
endwhile
else
if self.arg != 'line' && !inl
throw "Inline comments not allowed"
endif
let ls[0] = substitute(ls[0], '^', bstart . ' ', '')
let ls[-1] = substitute(ls[-1], '$', ' ' . bend, '')
endif
else
let l = getline('.')
if l[len(l) - len(ls[0]):] ==# ls[0]
let ls[0] = printf("%s %s", line_com, ls[0])
else
if !inl
throw "Inline comments not allowed"
endif
let ls[0] = printf("%s %s %s", bstart, ls[0], bend)
endif
endif
return ls
endfunction
call fieldmarshal#modifytext(a:arg, cb)
norm ``
endfunction
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