google-complete.vim

set completefunc=GoogleComplete

function! GoogleComplete(findstart, base)
    if a:findstart
        let line = getline('.')
        let start = col('.') - 1
        while start > 0 && line[start - 1] =~ '\S'
            let start -= 1
        endwhile
        return start
    else
        let ret = system('curl -s -G --data-urlencode "q='
                    \ . a:base . '" "http://suggestqueries.google.com/complete/search?&client=firefox&hl=ja&ie=utf8&oe=utf8"')
        let res = split(substitute(ret,'\[\|\]\|"',"","g"),",")
        return res
    endif
endfunction