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let s:settings_dir = expand('<sfile>:h:h').'/settings'
let s:installer_dir = expand('<sfile>:h:h').'/installer'
let s:servers_dir = expand('<sfile>:h:h').'/servers'
let s:settings = json_decode(join(readfile(expand('<sfile>:h:h').'/settings.json'), "\n"))
function! s:executable(cmd) abort
if executable(a:cmd)
return 1
endif
let l:paths = get(g:, 'lsp_settings_extra_paths', '')
if type(l:paths) == type([])
let l:paths = join(l:paths, ',')
endif
let l:paths .= ',' . s:servers_dir . '/' . a:cmd
if !has('win32')
return !empty(globpath(l:paths, a:cmd))
endif
if !empty(globpath(l:paths, a:cmd . '.exe'))
return 1
endif
if !empty(globpath(l:paths, a:cmd . '.cmd'))
return 1
endif
if !empty(globpath(l:paths, a:cmd . '.bat'))
return 1
endif
return 0
endfunction
function! s:vimlsp_installer() abort
let l:setting = s:settings[&filetype]
if empty(l:setting)
return ''
endif
let l:found = {}
for l:conf in l:setting
let l:missing = 0
for l:require in l:conf.requires
if !s:executable(l:require)
let l:missing = 1
break
endif
endfor
if l:missing ==# 0
let l:found = l:conf
break
endif
endfor
if empty(l:found)
return ''
endif
let l:command = printf('%s/install-%s', s:installer_dir, l:setting[0].command)
if has('win32')
let l:command = substitute(l:command, '/', '\', 'g') . '.cmd'
else
let l:command = l:command . '.sh'
endif
if !s:executable(l:command)
return ''
endif
return l:command
endfunction
function! s:vimlsp_install_server() abort
let l:command = s:vimlsp_installer()
exe 'terminal' l:command
endfunction
function! s:vimlsp_settings_suggest() abort
if empty(s:vimlsp_installer())
return
endif
echomsg printf("If you want to enable Language Server, please do :LspInstallServer")
command -buffer LspInstallServer call s:vimlsp_install_server()
endfunction
function! s:vimlsp_setting() abort
for l:ft in keys(s:settings)
let l:found = 0
if empty(s:settings[l:ft])
continue
endif
for l:server in s:settings[l:ft]
if s:executable(l:server.command)
exe 'source' printf('%s/%s.vim', s:settings_dir, l:server.command)
let l:found += 1
break
endif
endfor
if l:found ==# 0
exe printf('augroup vimlsp_suggest_%s', l:ft)
au!
exe printf('autocmd FileType %s call s:vimlsp_settings_suggest()', l:ft)
augroup END
endif
endfor
endfunction
call s:vimlsp_setting()
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