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Handle directories (via BufEnter) #6

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Handle directories (via BufEnter) #6

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33 changes: 29 additions & 4 deletions plugin/DidYouMean.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -13,21 +13,41 @@ function! s:filter_out_swapfile(matched_files)
endfunction


function! s:didyoumean_bufenter()
" Specialized function to get notified when opening directories.
if get(b:, 'didyoumean_done', 0)
return
endif
let b:didyoumean_done = 1
if !len(expand("%"))
" Skip handling buffers without name in BufEnter.
return
endif
return s:didyoumean()
endfunction


function! s:didyoumean()
if filereadable(expand("%"))
let fname = expand("%")
if filereadable(fname)
" Another BufNewFile event might have handled this already.
return
endif
if isdirectory(fname) && fname[-1:] == '/'
" A directory is given with an explicit trailing slash - use it.
return
endif

try
" As of Vim 7.4, glob() has an optional parameter to split, but not
" everybody is using 7.4 yet
let matching_files = split(glob(expand("%")."*", 0), '\n')
let matching_files = split(glob(fname."*", 0), '\n')
if !len(matching_files)
let matching_files = split(glob(expand("%")."*", 1), '\n')
let matching_files = split(glob(fname."*", 1), '\n')
endif
let matching_files = s:filter_out_swapfile(matching_files)
if empty(matching_files)
if len(matching_files) <= 1
" It might be 1 for directories.
return
endif
catch
Expand All @@ -40,6 +60,9 @@ function! s:didyoumean()
endfor
let selected_number = inputlist(shown_items)
if selected_number >= 1 && selected_number <= len(matching_files)
\ && matching_files[selected_number-1] != fname
" Load the selected file, but only if it differs from the requested
" one. This handles opening directories with netrw/vimfiler etc.
let empty_buffer_nr = bufnr("%")
execute ":edit " . fnameescape(matching_files[selected_number-1])
execute ":silent bdelete " . empty_buffer_nr
Expand All @@ -51,7 +74,9 @@ function! s:didyoumean()
silent doautocmd BufReadPost
silent doautocmd TextChanged
endif
let b:didyoumean_done = 1
endfunction


autocmd BufNewFile * call s:didyoumean()
autocmd BufEnter * call s:didyoumean_bufenter()