vim 括号自动补全

来源：http://www.cnblogs.com/huanlei/archive/2012/04/02/2430153.html

有时要重新配置vim 的，所以收藏了；

inoremap ( ()<Esc>i
inoremap [ []<Esc>i
inoremap { {<CR>}<Esc>O
autocmd Syntax html,vim inoremap < <lt>><Esc>i| inoremap > <c-r>=ClosePair('>')<CR>
inoremap ) <c-r>=ClosePair(')')<CR>
inoremap ] <c-r>=ClosePair(']')<CR>
inoremap } <c-r>=CloseBracket()<CR>
inoremap " <c-r>=QuoteDelim('"')<CR>
inoremap ' <c-r>=QuoteDelim("'")<CR>

function ClosePair(char)
 if getline('.')[col('.') - 1] == a:char
 return "\<Right>"
 else
 return a:char
 endif
endf

function CloseBracket()
 if match(getline(line('.') + 1), '\s*}') < 0
 return "\<CR>}"
 else
 return "\<Esc>j0f}a"
 endif
endf

function QuoteDelim(char)
 let line = getline('.')
 let col = col('.')
 if line[col - 2] == "\\"
 "Inserting a quoted quotation mark into the string
 return a:char
 elseif line[col - 1] == a:char
 "Escaping out of the string
 return "\<Right>"
 else
 "Starting a string
 return a:char.a:char."\<Esc>i"
 endif
endf
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