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check if functions exist

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itchyny
2013-08-24 12:38:18 +09:00
parent 0230844edf
commit 640972be6b
1 changed files with 12 additions and 4 deletions
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16
autoload/lightline.vim
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@@ -3,7 +3,7 @@
" Version: 0.0
" Author: itchyny
" License: MIT License
" Last Change: 2013/08/23 23:45:17.
" Last Change: 2013/08/24 12:33:26.
" =============================================================================
let s:save_cpo = &cpo
@@ -151,10 +151,18 @@ function! lightline#highlight()
endfor
endfunction
function! lightline#function(f)
try
if exists('*' . a:f) | exec 'return ' . a:f . '()' | endif
catch
endtry
return ''
endfunction
function! lightline#subseparator(x, y, s)
let [c, f, v] = [ g:lightline.component, g:lightline.component_function, g:lightline.component_visible_condition ]
return '%{('.(has_key(f,a:x)?'!!strlen('.(f[a:x]).'())':get(v,a:x,"1")).')*(('.join(map(copy(a:y),
\'(has_key(f,v:val)?"!!strlen(".f[v:val]."())":get(v,v:val,has_key(c,v:val)?"1":"0"))'),')+(')."))?('".a:s."'):''}"
return '%{('.(has_key(f,a:x)?'!!strlen(lightline#function("'.(f[a:x]).'"))':get(v,a:x,"1")).')*(('.join(map(copy(a:y),
\'(has_key(f,v:val)?"!!strlen(lightline#function(\"".(f[v:val])."\"))":get(v,v:val,has_key(c,v:val)?"1":"0"))'),')+(')."))?('".a:s."'):''}"
endfunction
function! lightline#statusline(inactive)
@@ -180,7 +188,7 @@ function! lightline#statusline(inactive)
if j
let _ .= lightline#subseparator(right[i][j], right[i][:j-1], g:lightline.subseparator.right)
endif
let _ .= '%( '.(has_key(f,right[i][j])?'%{'.f[right[i][j]].'()}':get(c,right[i][j],'')).' %)'
let _ .= '%( '.(has_key(f,right[i][j])?'%{lightline#function("'.f[right[i][j]].'")}':get(c,right[i][j],'')).' %)'
endfor
endfor
return _