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Detect inconsistent mixed indentation in a file 

This is an extension to the whitespace extension.
It can now detect, if there is mixed indentation used within a file,
e.g. (using space for indentation on some lines and using tabs on other
lines.

This fixes #560
This commit is contained in:
Christian Brabandt 2016-02-06 17:44:59 +01:00
parent cb30971901
commit 7352c8ee9e
2 changed files with 27 additions and 3 deletions
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23
autoload/airline/extensions/whitespace.vim
View File

@ -5,11 +5,12 @@
let s:show_message = get(g:, 'airline#extensions#whitespace#show_message', 1)
let s:symbol = get(g:, 'airline#extensions#whitespace#symbol', g:airline_symbols.whitespace)
let s:default_checks = ['indent', 'trailing']
let s:default_checks = ['indent', 'trailing', 'mixed-indent-file']
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:long_format = get(g:, 'airline#extensions#whitespace#long_format', 'long[%s]')
let s:mixed_indent_file_format = get(g:, 'airline#extensions#whitespace#mixed_indent_file_format', 'mix-indent-file[%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)
@ -32,6 +33,16 @@ function! s:check_mixed_indent()
endif
endfunction
function! s:check_mixed_indent_file()
let indent_tabs = search('\v(^\t+)', 'nw')
let indent_spc = search('\v(^ +)', 'nw')
if indent_tabs > 0 && indent_spc > 0
return printf("%d:%d", indent_tabs, indent_spc)
else
return ''
endif
endfunction
function! airline#extensions#whitespace#check()
if &readonly || !&modifiable || !s:enabled || line('$') > s:max_lines
return ''
@ -58,12 +69,17 @@ function! airline#extensions#whitespace#check()
let mixed = s:check_mixed_indent()
endif
let mixed_file = ''
if index(checks, 'mixed-indent-file') > -1
let mixed_file = s:check_mixed_indent_file()
endif
let long = 0
if index(checks, 'long') > -1 && &tw > 0
let long = search('\%>'.&tw.'v.\+', 'nw')
endif
if trailing != 0 || mixed != 0 || long != 0
if trailing != 0 || mixed != 0 || long != 0 || !empty(mixed_file)
let b:airline_whitespace_check = s:symbol
if s:show_message
if trailing != 0
@ -75,6 +91,9 @@ function! airline#extensions#whitespace#check()
if long != 0
let b:airline_whitespace_check .= (g:airline_symbols.space).printf(s:long_format, long)
endif
if !empty(mixed_file)
let b:airline_whitespace_check .= (g:airline_symbols.space).printf(s:mixed_indent_file_format, mixed_file)
endif
endif
endif
endif

7
doc/airline.txt
View File

@ -467,7 +467,11 @@ eclim <https://eclim.org>
let g:airline#extensions#whitespace#symbol = '!'
<
* configure which whitespace checks to enable. >
let g:airline#extensions#whitespace#checks = [ 'indent', 'trailing', 'long' ]
" indent: mixed indent within a line
" long: overlong lines
" trailing: trailing whitespace
" mixed-indent-file: different indentation in different lines
let g:airline#extensions#whitespace#checks = [ 'indent', 'trailing', 'long', 'mixed-indent-file' ]
<
* configure the maximum number of lines where whitespace checking is enabled. >
let g:airline#extensions#whitespace#max_lines = 20000
@ -479,6 +483,7 @@ eclim <https://eclim.org>
let g:airline#extensions#whitespace#trailing_format = 'trailing[%s]'
let g:airline#extensions#whitespace#mixed_indent_format = 'mixed-indent[%s]'
let g:airline#extensions#whitespace#long_format = 'long[%s]'
let g:airline#extensions#whitespace#mixed_indent_file_format = 'mix-indent-file[%s]'
* configure custom trailing whitespace regexp rule >
let g:airline#extensions#whitespace#trailing_regexp = '\s$'