Have "finAndRevealPath()" fail on no file

If a file does not exist for the current buffer, this function
should fail with a clear warning message.

Here, I improved the messages that this function prints so that it
fails gracefully when no path can be determined in the calling
context.
This commit is contained in:
Jason Franklin 2017-12-22 08:45:57 -05:00
parent 344119439e
commit 01b011d38e

View File

@ -261,18 +261,19 @@ function! s:displayHelp()
call b:NERDTree.ui.centerView() call b:NERDTree.ui.centerView()
endfunction endfunction
" FUNCTION: s:findAndRevealPath(path) {{{1 " FUNCTION: s:findAndRevealPath(pathStr) {{{1
function! s:findAndRevealPath(path) function! s:findAndRevealPath(pathStr)
let l:path = a:path let l:pathStr = !empty(a:pathStr) ? a:pathStr : expand('%:p')
if empty(l:path) if empty(l:pathStr)
let l:path = expand('%:p') call nerdtree#echoWarning('no file for the current buffer')
return
endif endif
try try
let l:pathObj = g:NERDTreePath.New(l:path) let l:pathObj = g:NERDTreePath.New(l:pathStr)
catch /^NERDTree.InvalidArgumentsError/ catch /^NERDTree.InvalidArgumentsError/
call nerdtree#echo('no file for the current buffer') call nerdtree#echoWarning('invalid path')
return return
endtry endtry