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" Recalculate the trailing whitespace warning when idle, and after saving
autocmd CursorHold,BufWritePost,InsertLeave * unlet! b:statusline_trailing_space_warning
function! Powerline#Functions#GetMode() " {{{
let mode = mode()
if mode =~# '\v(v|V|)'
" Visual mode
if mode ==# 'v'
let mode = 'VISUAL'
elseif mode ==# 'V'
let mode = 'V·LINE'
elseif mode ==# ''
let mode = 'V·BLOCK'
endif
elseif mode =~# '\v(s|S|)'
" Select mode
if mode ==# 's'
let mode = 'SELECT'
elseif mode ==# 'S'
let mode = 'S·LINE'
elseif mode ==# ''
let mode = 'S·BLOCK'
endif
elseif mode =~# '\vi'
let mode = 'INSERT' " Insert mode
elseif mode =~# '\v(R|Rv)'
let mode = 'REPLACE' " Replace mode
else
" Fallback to normal mode
let mode = ' N ' " Normal (current)
endif
return mode
endfunction " }}}
function! Powerline#Functions#GetFilesize() " {{{
let bytes = getfsize(expand("%:p"))
if bytes <= 0
return ''
endif
if bytes < 1024
return bytes . 'B'
else
return (bytes / 1024) . 'kB'
endif
endfunction "}}}
function! Powerline#Functions#GetCharCode() " {{{
" Get the output of :ascii
redir => ascii
silent! ascii
redir END
if match(ascii, 'NUL') != -1
return 'NUL'
endif
" Zero pad hex values
let nrformat = '0x%02x'
let encoding = (&fenc == '' ? &enc : &fenc)
if encoding == 'utf-8'
" Zero pad with 4 zeroes in unicode files
let nrformat = '0x%04x'
endif
" Get the character and the numeric value from the return value of :ascii
" This matches the two first pieces of the return value, e.g.
" "<F> 70" => char: 'F', nr: '70'
let [str, char, nr; rest] = matchlist(ascii, '\v\<(.{-1,})\>\s*([0-9]+)')
" Format the numeric value
let nr = printf(nrformat, nr)
return "'". char ."' ". nr
endfunction "}}}
function! Powerline#Functions#GetWSMarker() " {{{
" Return '...' if trailing white space is detected
" Return '' otherwise
if ! exists("b:statusline_trailing_space_warning")
if search('\s$', 'nw') != 0
let b:statusline_trailing_space_warning = ' … '
else
let b:statusline_trailing_space_warning = ''
endif
endif
return b:statusline_trailing_space_warning
endfunction " }}}
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