61 lines
1.6 KiB
VimL
61 lines
1.6 KiB
VimL
function! go#keyify#Keyify()
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let old_gopath = $GOPATH
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let $GOPATH = go#path#Detect()
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let bin_path = go#path#CheckBinPath("keyify")
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let fname = fnamemodify(expand("%"), ':p:gs?\\?/?')
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if empty(bin_path) || !exists('*json_decode')
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let $GOPATH = old_gopath
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return
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endif
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" Get result of command as json, that contains `start`, `end` and `replacement`
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let command = printf("%s -json %s:#%s", go#util#Shellescape(bin_path),
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\ go#util#Shellescape(fname), go#util#OffsetCursor())
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let output = go#util#System(command)
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silent! let result = json_decode(output)
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" We want to output the error message in case the result isn't a JSON
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if type(result) != type({})
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call go#util#EchoError(s:chomp(output))
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let $GOPATH = old_gopath
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return
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endif
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" Because keyify returns the byte before the region we want, we goto the
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" byte after that
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execute "goto" result.start + 1
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let start = getpos('.')
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execute "goto" result.end
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let end = getpos('.')
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let vis_start = getpos("'<")
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let vis_end = getpos("'>")
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" Replace contents between start and end with `replacement`
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call setpos("'<", start)
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call setpos("'>", end)
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let select = 'gv'
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" Make sure the visual mode is 'v', to avoid some bugs
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normal! gv
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if mode() !=# 'v'
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let select .= 'v'
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endif
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silent! execute "normal!" select."\"=result.replacement\<cr>p"
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" Replacement text isn't aligned, so it needs fix
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normal! '<v'>=
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call setpos("'<", vis_start)
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call setpos("'>", vis_end)
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let $GOPATH = old_gopath
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endfunction
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function! s:chomp(string)
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return substitute(a:string, '\n\+$', '', '')
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endfunction
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" vim: sw=2 ts=2 et
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