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-rw-r--r--vim/plugin/strip_trailing_whitespace.vim89
1 files changed, 46 insertions, 43 deletions
diff --git a/vim/plugin/strip_trailing_whitespace.vim b/vim/plugin/strip_trailing_whitespace.vim
index b5079d28..9a9d3d95 100644
--- a/vim/plugin/strip_trailing_whitespace.vim
+++ b/vim/plugin/strip_trailing_whitespace.vim
@@ -4,62 +4,65 @@
" Author: Tom Ryder <tom@sanctum.geek.nz>
" License: Same as Vim itself
"
-if has('eval')
+if exists('g:loaded_strip_trailing_whitespace')
+ \ || &compatible
+ finish
+endif
+let g:loaded_strip_trailing_whitespace = 1
- " Define function for stripping whitespace
- function! s:StripTrailingWhitespace()
+" Define function for stripping whitespace
+function! s:StripTrailingWhitespace()
- " Iterating line number
- let l:li = 1
+ " Iterating line number
+ let l:li = 1
- " Line number of last line that had non-whitespace characters on it
- let l:lw = 0
+ " Line number of last line that had non-whitespace characters on it
+ let l:lw = 0
- " Line number of the file's last line
- let l:ll = line('$')
+ " Line number of the file's last line
+ let l:ll = line('$')
- " Iterate over the lines
- while l:li <= l:ll
+ " Iterate over the lines
+ while l:li <= l:ll
- " Get the line text
- let l:line = getline(l:li)
+ " Get the line text
+ let l:line = getline(l:li)
- " Replace the line with a subsitution of its text stripping extraneous
- " whitespace
- call setline(l:li, substitute(l:line, '\m\C\s\+$', '', 'g'))
+ " Replace the line with a subsitution of its text stripping extraneous
+ " whitespace
+ call setline(l:li, substitute(l:line, '\m\C\s\+$', '', 'g'))
- " If this line has any non-whitespace characters on it, update l:lw with
- " its index
- if l:line =~# '\m\C\S'
- let l:lw = l:li
- endif
+ " If this line has any non-whitespace characters on it, update l:lw with
+ " its index
+ if l:line =~# '\m\C\S'
+ let l:lw = l:li
+ endif
- " Increment the line counter for the next iteration
- let l:li = l:li + 1
+ " Increment the line counter for the next iteration
+ let l:li = l:li + 1
- endwhile
+ endwhile
- " If the last non-whitespace line was before the last line proper, we can
- " delete all lines after it
- if l:lw < l:ll
+ " If the last non-whitespace line was before the last line proper, we can
+ " delete all lines after it
+ if l:lw < l:ll
- " Get the current line and column so we can return to it
- " (Yes I know about winsaveview() and winrestview(); I want this to work
- " even on very old versions of Vim if possible)
- let l:lc = line('.')
- let l:cc = col('.')
+ " Get the current line and column so we can return to it
+ " (Yes I know about winsaveview() and winrestview(); I want this to work
+ " even on very old versions of Vim if possible)
+ let l:lc = line('.')
+ let l:cc = col('.')
- " Delete the lines, which will move the cursor
- execute l:lw + 1 . ',$ delete'
+ " Delete the lines, which will move the cursor
+ execute l:lw + 1 . ',$ delete'
- " Return the cursor to the saved position
- call cursor(l:lc, l:cc)
- endif
+ " Return the cursor to the saved position
+ call cursor(l:lc, l:cc)
+ endif
- endfunction
+endfunction
- " Create mapping proxy to the function just defined
- noremap <silent> <unique>
- \ <Plug>StripTrailingWhitespace
- \ :<C-U>call <SID>StripTrailingWhitespace()<CR>
-endif
+" Create mapping proxy to the function just defined
+noremap <silent> <unique>
+ \ <Plug>StripTrailingWhitespace
+ \ :<C-U>call <SID>StripTrailingWhitespace()<CR>