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" Author: KabbAmine <amine.kabb@gmail.com>
" Description: Statusline related function(s)
" Update the buffer error/warning count with data from loclist.
function! ale#statusline#Update(buffer, loclist) abort
let l:errors = 0
let l:warnings = 0
for l:entry in a:loclist
if l:entry.type ==# 'E'
let l:errors += 1
else
let l:warnings += 1
endif
endfor
let g:ale_buffer_info[a:buffer].count = [l:errors, l:warnings]
endfunction
" Set the error and warning counts, calling for an update only if needed.
" If counts cannot be set, return 0.
function! s:SetupCount(buffer) abort
if !has_key(g:ale_buffer_info, a:buffer)
" Linters have not been run for the buffer yet, so stop here.
return 0
endif
" Cache is cold, so manually ask for an update.
if !has_key(g:ale_buffer_info[a:buffer], 'count')
call ale#statusline#Update(a:buffer, g:ale_buffer_info[a:buffer].loclist)
endif
return 1
endfunction
" Returns a tuple of errors and warnings for use in third-party integrations.
function! ale#statusline#Count(buffer) abort
if !s:SetupCount(a:buffer)
return [0, 0]
endif
return g:ale_buffer_info[a:buffer].count
endfunction
" Returns a formatted string that can be integrated in the statusline.
function! ale#statusline#Status() abort
let [l:error_format, l:warning_format, l:no_errors] = g:ale_statusline_format
let l:buffer = bufnr('%')
if !s:SetupCount(l:buffer)
return l:no_errors
endif
let [l:error_count, l:warning_count] = g:ale_buffer_info[l:buffer].count
" Build strings based on user formatting preferences.
let l:errors = l:error_count ? printf(l:error_format, l:error_count) : ''
let l:warnings = l:warning_count ? printf(l:warning_format, l:warning_count) : ''
" Different formats based on the combination of errors and warnings.
if empty(l:errors) && empty(l:warnings)
let l:res = l:no_errors
elseif !empty(l:errors) && !empty(l:warnings)
let l:res = printf('%s %s', l:errors, l:warnings)
else
let l:res = empty(l:errors) ? l:warnings : l:errors
endif
return l:res
endfunction
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