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use autocmds to detect whitespace, shouldn't need max anymore

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This commit is contained in:
Bailey Ling
2013-08-06 21:48:00 -04:00
parent d2c069b971
commit 0a015e5305
2 changed files with 25 additions and 18 deletions
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42
autoload/airline/extensions/whitespace.vim
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@@ -1,36 +1,44 @@
" MIT license. Copyright (c) 2013 Bailey Ling.
" vim: ts=2 sts=2 sw=2 fdm=indent
" http://got-ravings.blogspot.com/2008/10/vim-pr0n-statusline-whitespace-flags.html
function! airline#extensions#whitespace#check()
if line('$') > g:airline_whitespace_max_lines
return ''
endif
if !exists('b:airline_whitespace_check')
let b:airline_whitespace_check = ''
let trailing = search(' $', 'nw') != 0
let mixed = search('^ ', 'nw') != 0 && search('^\t', 'nw') != 0
let trailing = search(' $', 'nw') != 0
let mixed = search('^ ', 'nw') != 0 && search('^\t', 'nw') != 0
if trailing || mixed
let text = g:airline_whitespace_symbol." "
if g:airline_detect_whitespace == 1
if trailing
let text .= 'trailing '
endif
if mixed
let text .= 'mixed-indent '
if trailing || mixed
let b:airline_whitespace_check = g:airline_whitespace_symbol." "
if g:airline_detect_whitespace == 1
if trailing
let b:airline_whitespace_check .= 'trailing '
endif
if mixed
let b:airline_whitespace_check .= 'mixed-indent '
endif
endif
endif
return text
endif
return ''
return b:airline_whitespace_check
endfunction!
function! airline#extensions#whitespace#apply()
if exists('w:airline_active') && w:airline_active
let w:airline_section_warning = '%{airline#extensions#whitespace#check()}'
if !exists('w:airline_section_warning')
let w:airline_section_warning = ' '
endif
let w:airline_section_warning .= '%{airline#extensions#whitespace#check()}'
endif
endfunction
function! airline#extensions#whitespace#init(ext)
call a:ext.add_statusline_funcref(function('airline#extensions#whitespace#apply'))
augroup airline_whitespace
autocmd!
autocmd CursorHold,BufWritePost * unlet! b:airline_whitespace_check
augroup END
endfunction