vimrc/sources_non_forked/vim-go/autoload/go/keyify.vim
2017-05-26 11:30:32 +02:00

58 lines
1.5 KiB
VimL

function! go#keyify#Keyify()
let old_gopath = $GOPATH
let $GOPATH = go#path#Detect()
let bin_path = go#path#CheckBinPath("keyify")
let fname = fnamemodify(expand("%"), ':p:gs?\\?/?')
if empty(bin_path) || !exists('*json_decode')
let $GOPATH = old_gopath
return
endif
" Get result of command as json, that contains `start`, `end` and `replacement`
let command = printf("%s -json %s:#%s", bin_path, fname, go#util#OffsetCursor())
let output = go#util#System(command)
silent! let result = json_decode(output)
" We want to output the error message in case the result isn't a JSON
if type(result) != type({})
call go#util#EchoError(s:chomp(output))
let $GOPATH = old_gopath
return
endif
" Because keyify returns the byte before the region we want, we goto the
" byte after that
execute "goto" result.start + 1
let start = getpos('.')
execute "goto" result.end
let end = getpos('.')
let vis_start = getpos("'<")
let vis_end = getpos("'>")
" Replace contents between start and end with `replacement`
call setpos("'<", start)
call setpos("'>", end)
let select = 'gv'
" Make sure the visual mode is 'v', to avoid some bugs
normal! gv
if mode() !=# 'v'
let select .= 'v'
endif
silent! execute "normal!" select."\"=result.replacement\<cr>p"
" Replacement text isn't aligned, so it needs fix
normal! '<v'>=
call setpos("'<", vis_start)
call setpos("'>", vis_end)
let $GOPATH = old_gopath
endfunction
function! s:chomp(string)
return substitute(a:string, '\n\+$', '', '')
endfunction