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" Dictionary of all health check functions we have found.
" They will only be run if the value is true
let g:health_checkers = get(g:, 'health_checkers', {})
let s:current_checker = get(s:, 'current_checker', '')
function! s:enhance_syntax() abort
syntax keyword healthError ERROR
highlight link healthError Error
syntax keyword healthWarning WARNING
highlight link healthWarning WarningMsg
syntax keyword healthInfo INFO
highlight link healthInfo ModeMsg
syntax keyword healthSuccess SUCCESS
highlight link healthSuccess Function
syntax keyword healthSuggestion SUGGESTION
highlight link healthSuggestion String
endfunction
" Runs the health checkers. Manages the output and buffer-local settings.
function! health#check(bang) abort
let l:report = ''
if empty(g:health_checkers)
call health#add_checker(s:_default_checkers())
endif
for l:checker in items(g:health_checkers)
" Disabled checkers will not run their registered check functions
if l:checker[1]
let s:current_checker = l:checker[0]
let l:report .= printf("\n%s\n================================================================================",
\ s:current_checker)
let l:report .= execute('call ' . l:checker[0] . '()')
endif
endfor
if a:bang
new
setlocal bufhidden=wipe
set filetype=markdown
call s:enhance_syntax()
call setline(1, split(report, "\n"))
setlocal nomodified
else
echo report
echo "\nTip: Use "
echohl Identifier
echon ':CheckHealth!'
echohl None
echon ' to open this in a new buffer.'
endif
endfunction
" Starts a new report.
function! health#report_start(name) abort " {{{
echo "\n## " . a:name
endfunction " }}}
" Indents lines *except* line 1 of a string if it contains newlines.
function! s:indent_after_line1(s, columns) abort
let lines = split(a:s, "\n", 0)
if len(lines) < 2 " We do not indent line 1, so nothing to do.
return a:s
endif
for i in range(1, len(lines)-1) " Indent lines after the first.
let lines[i] = substitute(lines[i], '^\s*', repeat(' ', a:columns), 'g')
endfor
return join(lines, "\n")
endfunction
" Format a message for a specific report item
function! s:format_report_message(status, msg, ...) abort " {{{
let output = ' - ' . a:status . ': ' . s:indent_after_line1(a:msg, 4)
let suggestions = []
" Optional parameters
if a:0 > 0
let suggestions = type(a:1) == type("") ? [a:1] : a:1
if type(suggestions) != type([])
echoerr "Expected String or List"
endif
endif
" Report each suggestion
if len(suggestions) > 0
let output .= "\n - SUGGESTIONS:"
endif
for suggestion in suggestions
let output .= "\n - " . s:indent_after_line1(suggestion, 10)
endfor
return output
endfunction " }}}
" Use {msg} to report information in the current section
function! health#report_info(msg) abort " {{{
echo s:format_report_message('INFO', a:msg)
endfunction " }}}
" Use {msg} to represent the check that has passed
function! health#report_ok(msg) abort " {{{
echo s:format_report_message('SUCCESS', a:msg)
endfunction " }}}
" Use {msg} to represent a failed health check and optionally a list of suggestions on how to fix it.
function! health#report_warn(msg, ...) abort " {{{
if a:0 > 0
echo s:format_report_message('WARNING', a:msg, a:1)
else
echo s:format_report_message('WARNING', a:msg)
endif
endfunction " }}}
" Use {msg} to represent a critically failed health check and optionally a list of suggestions on how to fix it.
function! health#report_error(msg, ...) abort " {{{
if a:0 > 0
echo s:format_report_message('ERROR', a:msg, a:1)
else
echo s:format_report_message('ERROR', a:msg)
endif
endfunction " }}}
" Adds a health checker. Does nothing if the checker already exists.
function! s:add_single_checker(checker_name) abort " {{{
if has_key(g:health_checkers, a:checker_name)
return
else
let g:health_checkers[a:checker_name] = v:true
endif
endfunction " }}}
" Enables a health checker.
function! s:enable_single_checker(checker_name) abort " {{{
let g:health_checkers[a:checker_name] = v:true
endfunction " }}}
" Disables a health checker.
function! s:disable_single_checker(checker_name) abort " {{{
let g:health_checkers[a:checker_name] = v:false
endfunction " }}}
" Adds a health checker. `checker_name` can be a list of strings or
" a single string. Does nothing if the checker already exists.
function! health#add_checker(checker_name) abort " {{{
if type(a:checker_name) == type('')
call s:add_single_checker(a:checker_name)
elseif type(a:checker_name) == type([])
for checker in a:checker_name
call s:add_single_checker(checker)
endfor
endif
endfunction " }}}
" Enables a health checker. `checker_name` can be a list of strings or
" a single string.
function! health#enable_checker(checker_name) abort " {{{
if type(a:checker_name) == type('')
call s:enable_single_checker(a:checker_name)
elseif type(a:checker_name) == type([])
for checker in a:checker_name
call s:enable_single_checker(checker)
endfor
endif
endfunction " }}}
" Disables a health checker. `checker_name` can be a list of strings or
" a single string.
function! health#disable_checker(checker_name) abort " {{{
if type(a:checker_name) == type('')
call s:disable_single_checker(a:checker_name)
elseif type(a:checker_name) == type([])
for checker in a:checker_name
call s:disable_single_checker(checker)
endfor
endif
endfunction " }}}
function! s:change_file_name_to_health_checker(name) abort " {{{
return substitute(substitute(substitute(a:name, ".*autoload/", "", ""), "\\.vim", "#check", ""), "/", "#", "g")
endfunction " }}}
function! s:_default_checkers() abort " {{{
" Get all of the files that are in autoload/health/ folders with a vim
" suffix
let checker_files = globpath(&runtimepath, 'autoload/health/*.vim', 1, 1)
let temp = checker_files[0]
let checkers_to_source = []
for file_name in checker_files
call add(checkers_to_source, s:change_file_name_to_health_checker(file_name))
endfor
return checkers_to_source
endfunction " }}}
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