81 lines
2.6 KiB
VimL
81 lines
2.6 KiB
VimL
" MIT License. Copyright (c) 2013-2014 Bailey Ling.
|
|
" vim: et ts=2 sts=2 sw=2
|
|
|
|
" http://got-ravings.blogspot.com/2008/10/vim-pr0n-statusline-whitespace-flags.html
|
|
|
|
" for backwards compatibility
|
|
if exists('g:airline_detect_whitespace')
|
|
let s:show_message = g:airline_detect_whitespace == 1
|
|
else
|
|
let s:show_message = get(g:, 'airline#extensions#whitespace#show_message', 1)
|
|
endif
|
|
|
|
let s:symbol = get(g:, 'airline#extensions#whitespace#symbol', g:airline_symbols.whitespace)
|
|
let s:default_checks = ['indent', 'trailing']
|
|
|
|
let s:trailing_format = get(g:, 'airline#extensions#whitespace#trailing_format', 'trailing[%s]')
|
|
let s:mixed_indent_format = get(g:, 'airline#extensions#whitespace#mixed_indent_format', 'mixed-indent[%s]')
|
|
|
|
let s:max_lines = get(g:, 'airline#extensions#whitespace#max_lines', 20000)
|
|
|
|
let s:enabled = 1
|
|
|
|
function! airline#extensions#whitespace#check()
|
|
if &readonly || !&modifiable || !s:enabled || line('$') > s:max_lines
|
|
return ''
|
|
endif
|
|
|
|
if !exists('b:airline_whitespace_check')
|
|
let b:airline_whitespace_check = ''
|
|
let checks = get(g:, 'airline#extensions#whitespace#checks', s:default_checks)
|
|
|
|
let trailing = 0
|
|
if index(checks, 'trailing') > -1
|
|
let trailing = search(' $', 'nw')
|
|
endif
|
|
|
|
let mixed = 0
|
|
if index(checks, 'indent') > -1
|
|
let indents = [search('^ \{2,}', 'nb'), search('^ \{2,}', 'n'), search('^\t', 'nb'), search('^\t', 'n')]
|
|
let mixed = indents[0] != 0 && indents[1] != 0 && indents[2] != 0 && indents[3] != 0
|
|
endif
|
|
|
|
if trailing != 0 || mixed
|
|
let b:airline_whitespace_check = s:symbol
|
|
if s:show_message
|
|
if trailing != 0
|
|
let b:airline_whitespace_check .= (g:airline_symbols.space).printf(s:trailing_format, trailing)
|
|
endif
|
|
if mixed
|
|
let mixnr = indents[0] == indents[1] ? indents[0] : indents[2]
|
|
let b:airline_whitespace_check .= (g:airline_symbols.space).printf(s:mixed_indent_format, mixnr)
|
|
endif
|
|
endif
|
|
endif
|
|
endif
|
|
return b:airline_whitespace_check
|
|
endfunction!
|
|
|
|
function! airline#extensions#whitespace#toggle()
|
|
if s:enabled
|
|
autocmd! airline_whitespace CursorHold,BufWritePost
|
|
augroup! airline_whitespace
|
|
let s:enabled = 0
|
|
else
|
|
call airline#extensions#whitespace#init()
|
|
let s:enabled = 1
|
|
endif
|
|
echo 'Whitespace checking: '.(s:enabled ? 'Enabled' : 'Disabled')
|
|
endfunction
|
|
|
|
function! airline#extensions#whitespace#init(...)
|
|
call airline#parts#define_function('whitespace', 'airline#extensions#whitespace#check')
|
|
|
|
unlet! b:airline_whitespace_check
|
|
augroup airline_whitespace
|
|
autocmd!
|
|
autocmd CursorHold,BufWritePost * unlet! b:airline_whitespace_check
|
|
augroup END
|
|
endfunction
|
|
|