refactor s:_expand: split the evaluate/normalize codes into functions

This commit is contained in:
itchyny
2016-03-21 17:11:34 +09:00
parent 6e0b2717ae
commit 8377b14171

View File

@@ -2,7 +2,7 @@
" Filename: autoload/lightline.vim
" Author: itchyny
" License: MIT License
" Last Change: 2016/03/21 16:28:31.
" Last Change: 2016/03/21 17:10:45.
" =============================================================================
let s:save_cpo = &cpo
@@ -362,18 +362,35 @@ function! lightline#statusline(inactive) abort
return s:line(0, a:inactive)
endfunction
function! s:_expand(a, c, _, component, type, i) abort
function! s:normalize(result) abort
if type(a:result) == 3
return map(a:result, 'type(v:val) == 1 ? v:val : string(v:val)')
elseif type(a:result) == 1
return [a:result]
else
return [string(a:result)]
endif
endfunction
function! s:evaluate_expand(component) abort
try
let r = eval(a:component . '()')
if type(r) == 1 && r ==# ''
return
let result = eval(a:component . '()')
if type(result) == type('') && result ==# ''
return []
endif
let s = type(r) == 3 ? (len(r) < 3 ? r + [[], [], []] : r) : [[], [r], []]
catch
return
return []
endtry
return map(type(result) == 3 ? (result + [[], [], []])[:2] : [[], [result], []], 'filter(s:normalize(v:val), "v:val !=# ''''")')
endfunction
function! s:_expand(a, c, _, component, type, i) abort
let results = s:evaluate_expand(a:component)
if results == []
return
endif
for k in [0, 1, 2]
let sk = filter(type(s[k])==3?map(s[k],'type(v:val)==1?(v:val):string(v:val)'):type(s[k])==1?[s[k]]:[string(s[k])],'strlen(v:val)')
let sk = results[k]
if len(sk)
unlet! m
let m = k == 1 ? a:type : a:i