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add support for configurable whitespace checking algorithms and default it to the simplest one. resolves #484

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Bailey Ling
2014-04-19 14:27:14 -04:00
parent abee990d30
commit e49eac95a3
2 changed files with 25 additions and 8 deletions
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23
autoload/airline/extensions/whitespace.vim
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@@ -15,11 +15,26 @@ 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:indent_algo = get(g:, 'airline#extensions#whitespace#mixed_indent_algo', 0)
let s:max_lines = get(g:, 'airline#extensions#whitespace#max_lines', 20000)
let s:enabled = 1
function! s:check_mixed_indent()
if s:indent_algo == 0
return search('\v(^\t+ +)|(^ +\t+)', 'nw')
else
" [<tab>]<space><tab>
" spaces before or between tabs are not allowed
let t_s_t = '(^\t* +\t\s*\S)'
" <tab>(<space> x count)
" count of spaces at the end of tabs should be less then tabstop value
let t_l_s = '(^\t+ {' . &ts . ',}' . '\S)'
return search('\v' . t_s_t . '|' . t_l_s, 'nw')
endif
endfunction
function! airline#extensions#whitespace#check()
if &readonly || !&modifiable || !s:enabled || line('$') > s:max_lines
return ''
@@ -36,13 +51,7 @@ function! airline#extensions#whitespace#check()
let mixed = 0
if index(checks, 'indent') > -1
" [<tab>]<space><tab>
" Spaces before or between tabs are not allowed
let t_s_t = '(^\t* +\t\s*\S)'
" <tab>(<space> x count)
" Count of spaces at the end of tabs should be less then tabstop value
let t_l_s = '(^\t+ {' . &ts . ',}' . '\S)'
let mixed = search('\v' . t_s_t . '|' . t_l_s, 'nw')
let mixed = s:check_mixed_indent()
endif
if trailing != 0 || mixed != 0