dot_vimrc

set scrolloff=999   "make input cursor forever in the middle of the paper
set nocompatible    "run in vim mode
set expandtab       "expand tabs into spaces
set autoindent      "auto-indent new lines
set smartindent     "return ending brackets to proper locations
set softtabstop=4   "indentation level of soft-tabs
set tabstop=4       "indentation leves of normal tabs
set shiftwidth=4    "how many lines shift using << and >>"
set showmatch       "show matching brackets
set ruler           "show cursor position at all times
set nohls           "dont highlight the previous search term
set number          "turn on line numbering
set wrap            "turn on visual word wrapping
set linebreak       "only break lines on breakat characters
syntax on           "turn on syntax highlighting

map Q gq
map q ZZ
map W +
map E g_
" paste selected text without yanking replaced text"
vnoremap p "0p
" go back to beginning of the line"
map B 0

" CTRL-C  Copy"
vnoremap <C-c> "+y
" CTRL-P  Paste 
inoremap <c-v> <esc>:set paste<cr>a<c-r>=getreg('+')<cr><esc>:set nopaste<cr>mi`[=`]`ia

" set vim english font
if has('gui_running')
    set guioptions-=T  " no toolbar
    colorscheme elflord
    set lines=60 columns=108 linespace=0
    if has('gui_win32')
      set guifont=DejaVu_Sans_Mono:h10:cANSI
    else
      set guifont=DejaVu\ Sans\ Mono\ 10
    endif
endif

"自动缩进和补全括号
set tabstop=2
set softtabstop=2
set shiftwidth=2

" <SPACE>   : forward to next word beginning with alphanumeric char
" <S-SPACE> : backward to prev word beginning with alphanumeric char
" <C-SPACE> : same as above (as <S-SPACE> not available in console Vim
" <BS>      : back to prev word ending with alphanumeric char
function! <SID>GotoPattern(pattern, dir) range
    let g:_saved_search_reg = @/
    let l:flags = "We"
    if a:dir == "b"
        let l:flags .= "b"
    endif
    for i in range(v:count1)
        call search(a:pattern, l:flags)
    endfor
    let @/ = g:_saved_search_reg
endfunction
nnoremap <silent> <SPACE> :<C-U>call <SID>GotoPattern('\(^\\|\<\)[A-Za-z0-9_]', 'f')<CR>
vnoremap <silent> <SPACE> :<C-U>let g:_saved_search_reg=@/<CR>gv/\(^\\|\<\)[A-Za-z0-9_]<CR>:<C-U>let @/=g:_saved_search_reg<CR>gv
nnoremap <silent> <S-SPACE> :<C-U>call <SID>GotoPattern('\(^\\|\<\)[A-Za-z0-9_]', 'b')<CR>
vnoremap <silent> <S-SPACE> :<C-U>let g:_saved_search_reg=@/<CR>gv?\(^\\|\<\)[A-Za-z0-9_]<CR>:<C-U>let @/=g:_saved_search_reg<CR>gv
nnoremap <silent> <BS> :call <SID>GotoPattern('[A-Za-z0-9_]\(\>\\|$\)', 'b')<CR>
vnoremap <silent> <BS> :<C-U>let g:_saved_search_reg=@/<CR>gv?[A-Za-z0-9_]\(\>\\|$\)<CR>:<C-U>let @/=g:_saved_search_reg<CR>gv

" Redundant mapping of <C-SPACE> to <S-SPACE> so that
" above mappings are available in console Vim.
"noremap <C-@> <C-B>
if has("gui_running")
    map <silent> <C-Space> <S-SPACE>
else
    if has("unix")
        map <Nul> <S-SPACE>
    else
        map <C-@> <S-SPACE>
    endif
endif


"set autoindent
set smartindent
inoremap ' ''<ESC>i
inoremap " ""<ESC>i
inoremap ( ()<ESC>i
inoremap [ []<ESC>i
inoremap { {<CR>}<ESC>O
inoremap <Esc> <Esc>:w<CR>



:inoremap <expr> <Tab> search('\%#[]>)}''"`]', 'n') ? '<Right>' : '<Tab>'



" Uncomment the following to have Vim jump to the last position when
" reopening a file
if has("autocmd")
  au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
endif

nmap O o<Esc>

"enable filetype plugin"
filetype plugin on
filetype indent on