add better ruby fold method

This commit is contained in:
Felix Van der Jeugt 2015-09-09 18:23:10 +02:00
parent d8abaef654
commit ceb650b33e

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@ -132,6 +132,9 @@ cmap w!! w !sudo tee % >/dev/null
noremap <C-b> :r!xclip -sel c -o<CR><CR>
noremap <C-m> :w !xclip -sel c<CR><CR>
" Unfold everything upon opening a new file
"autocmd BufRead * normal zR
set foldlevelstart=2
" }}}
" Filetype specific configuration. {{{
@ -207,6 +210,23 @@ endfunction
autocmd FileType ruby call RubyHook()
autocmd FileType eruby call RubyHook()
function RubyFold(lnum)
if getline(a:lnum) =~ '^\s*def\s' || getline(a:lnum) =~ '^\s*class\s' || getline(a:lnum) =~ '^\s*module\s'
return indent(a:lnum) / 2 + 1
endif
if getline(a:lnum) =~ '^\s*end'
return indent(a:lnum) / 2 + 1
endif
if getline(a:lnum - 1) =~ '^\s*end'
return indent(a:lnum - 1) / 2
endif
return '='
endfunction
function RubyFoldText()
return getline(v:foldstart) . ' +'
endfunction
function RubyHook()
setlocal tabstop=2
setlocal shiftwidth=2
@ -217,7 +237,9 @@ function RubyHook()
set makeprg=rake
" Folding
set foldmethod=syntax
set foldmethod=expr
set foldexpr=RubyFold(v:lnum)
set foldtext=RubyFoldText()
endfunction
" }}}