fix: don't error on files containing special chars (#75)

* fix: don't error on files containing special chars

fixes: #66

* fix: escape the filenames in read/write commands

Author: aarondill

autoload/suda.vim

@@ -80,7 +80,7 @@ function! suda#read(expr, ...) abort range
           \ '%sread %s %s',
           \ options.range,
           \ options.cmdarg,
-          \ path,
+          \ fnameescape(path),
           \)), '^\r\?\n', '', '')
   endif
 
@@ -99,7 +99,7 @@ function! suda#read(expr, ...) abort range
             \ '%sread %s %s',
             \ options.range,
             \ options.cmdarg,
-            \ tempfile,
+            \ fnameescape(tempfile),
             \))
       " Rewrite message with a correct file name
       let echo_message = substitute(
@@ -133,7 +133,7 @@ function! suda#write(expr, ...) abort range
           \ options.range,
           \ options.cmdbang ? '!' : '',
           \ options.cmdarg,
-          \ tempfile,
+          \ fnameescape(tempfile),
           \))
     if has('win32')
       " In MS Windows, tee.exe has been placed at $VIMRUNTIME and $VIMRUNTIME
@@ -274,7 +274,7 @@ function! suda#BufEnter() abort
   let bufnr = str2nr(expand('<abuf>'))
   execute printf(
         \ 'keepalt keepjumps edit suda://%s',
-        \ fnamemodify(bufname, ':p'),
+        \ fnameescape(fnamemodify(bufname, ':p')),
         \)
   execute printf('silent! %dbwipeout', bufnr)
 endfunction

plugin/suda.vim

@@ -20,12 +20,12 @@ augroup END
 
 function! s:read(args) abort
   let args = empty(a:args) ? expand('%:p') : a:args
-  execute printf('edit suda://%s', args)
+  execute printf('edit suda://%s', fnameescape(args))
 endfunction
 command! -nargs=? -complete=file SudaRead  call s:read(<q-args>)
 
 function! s:write(args) abort
   let args = empty(a:args) ? expand('%:p') : a:args
-  execute printf('write suda://%s', args)
+  execute printf('write suda://%s', fnameescape(args))
 endfunction
 command! -nargs=? -complete=file SudaWrite call s:write(<q-args>)