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" Author: James Kim <jhlink@users.noreply.github.com>
" Description: Fix C/C++ files with astyle.
function! s:set_variables() abort
for l:ft in ['c', 'cpp']
call ale#Set(l:ft . '_astyle_executable', 'astyle')
call ale#Set(l:ft . '_astyle_project_options', '')
endfor
endfunction
call s:set_variables()
function! ale#fixers#astyle#Var(buffer, name) abort
let l:ft = getbufvar(str2nr(a:buffer), '&filetype')
let l:ft = l:ft =~# 'cpp' ? 'cpp' : 'c'
return ale#Var(a:buffer, l:ft . '_astyle_' . a:name)
endfunction
" Try to find a project options file.
function! ale#fixers#astyle#FindProjectOptions(buffer) abort
let l:proj_options = ale#fixers#astyle#Var(a:buffer, 'project_options')
" If user has set project options variable then use it and skip any searching.
" This would allow users to use project files named differently than .astylerc.
if !empty(l:proj_options)
return l:proj_options
endif
" Try to find nearest .astylerc file.
let l:proj_options = fnamemodify(ale#path#FindNearestFile(a:buffer, '.astylerc'), ':t')
if !empty(l:proj_options)
return l:proj_options
endif
" Try to find nearest _astylerc file.
let l:proj_options = fnamemodify(ale#path#FindNearestFile(a:buffer, '_astylerc'), ':t')
if !empty(l:proj_options)
return l:proj_options
endif
" If no project options file is found return an empty string.
return ''
endfunction
function! ale#fixers#astyle#Fix(buffer) abort
let l:executable = ale#fixers#astyle#Var(a:buffer, 'executable')
let l:proj_options = ale#fixers#astyle#FindProjectOptions(a:buffer)
let l:command = ' --stdin=' . ale#Escape(expand('#' . a:buffer))
return {
\ 'command': ale#Escape(l:executable)
\ . (empty(l:proj_options) ? '' : ' --project=' . l:proj_options)
\ . l:command
\}
endfunction
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