set nocompatible

if has('win32') || has('win64')

let os = "Windows"

behave mswin "For windows user

source $VIMRUNTIME/vimrc.vim

source $VIMRUNTIME/mswin.vim

source c:/vim/vim_func.vim "extend function defined

noremap <C-V> <C-V> "Ctrl-V is select column

set fileencodings=ucs-bom,utf-8,chinese "decode utf-8

elseif has('unix')

let os = "Linux"

if v:lang =~ "utf8$" || v:lang =~ "UTF-8$" "set encoding

set fileencodings=utf-8,latin1,gbk,ucs-bom,cp936

let &termencoding=&encoding

endif

if exists('$TMUX')

set term=screen-256color

set shortmess=atl "not show the info about shortmess children

colorscheme koehler

syntax on "syntax highlight

set hlsearch "search highlight

set mousehide "hide mouse

set guioptions-=m "no gui menu

set guioptions-=T

if os == "Windows"

set guifont=Courier_New:h12:cANSI "set guifont for windows

elseif os == "Linux"

set guifont=Menlo:h18 "set guifont for MAC & Linux

set guicursor=a:blinkon1000,a:blinkoff1000 "set cursor blink

set novisualbell "beep, not flash the screen

set ruler "show line and column of cursor position

if os == "Windows"

set lines=12

set columns=150

elseif os == "Linux"

set lines=30

set columns=120

set laststatus=2 "set command bar with 2 lines

set nobackup "no backup files

set cc=79

set cursorline

set cursorcolumn

set t_Co=256

set tabstop=4 "set tab space

set sw=4 "set auto index space

set et "expand tab, use space to replace tab

set number "show line number

set relativenumber "show relative number

set showcmd "show current execute command

set showmatch "show match parenthese

set incsearch "show match when input search string

2match Error /\%80c/ "set a 'line limit' for line, max 80

if has("autocmd")

filetype on

filetype plugin on

filetype indent on

augroup vimrcEx

au!

autocmd FileType text setlocal textwidth=78 "set textwidth to 78 character

autocmd BufRead *.txt set tw=78

autocmd BufReadPost * "when edit a file, jump to the last cursor position

\ if line("'\"") > 0 && line ("'\"") <= line("$") |

\ exe "normal! g'\"" |

\endif

set iskeyword+=_,$,@,%,#,- "not split the word when the word contain these character

if version >= 500 "validate vim or vi

set foldmethod=marker

set fmr=/*,*/

set autochdir "switch vim path to current path

au BufRead,BufNewFile *.viki set ft=viki

autocmd BufNewFile *.viki exec ":call SetViKiTitle()"

autocmd BufNewFile *.c exec ":call SetCTitle()"

autocmd BufNewFile * normal G

autocmd FileType python nnoremap <buffer> <F9> :exec '!python' shellescape(@%, 1)<cr>

let g:vim_markdown_frontmatter=1

set tags=tags;

if os == "Windows" "set the location of the executable ctags file

let Tlist_Ctags_Cmd = 'ctags' "windows need to set the PATH to contain the ctags

elseif os == "Linux"

let Tlist_Ctags_Cmd = '/usr/bin/ctags'

let Tlist_Show_One_File = 1 "only show the current file's tag

let Tlist_Exit_OnlyWindow = 1 "exit the vim if the taglist window is the last one

let Tlist_GainFocus_On_ToggleOpen=1 "set the focal point in the taglist window

set cscopequickfix=s-,c-,d-,i-,t-,e-

set nocscopeverbose

if !exists(":DiffOrig")

command DiffOrig vert new | set bt=nofile | r # | 0d_ | diffthis

\ | wincmd p | diffthis

map <F2> :!ctags -R *<CR>

map <F3> :!cscope -RUbq<CR>

if has("cscope")

set csprg=/usr/bin/cscope

set csto=0

set cst

set csverb

nmap <C-\>s :cs find s <C-R>=expand("<cword>")<CR><CR>

nmap <C-\>g :cs find g <C-R>=expand("<cword>")<CR><CR>

nmap <C-\>d :cs find d <C-R>=expand("<cword>")<CR><CR>

nmap <C-\>c :cs find c <C-R>=expand("<cword>")<CR><CR>

nmap <C-\>t :cs find t <C-R>=expand("<cword>")<CR><CR>

nmap <C-\>e :cs find e <C-R>=expand("<cword>")<CR><CR>

nmap <C-\>f :cs find f <C-R>=expand("<cfile>")<CR><CR>

nmap <C-\>i :cs find i ^<C-R>=expand("<cfile>")<CR>$<CR>

function! LoadCscope()

let db = findfile("cscope.out", ".;")

if (!empty(db))

let path = strpart(db, 0, match(db, "/cscope.out$"))

set nocscopeverbose " suppress 'duplicate connection' error

exe "cs add " . db . " " . path

set cscopeverbose

endif

endfunction

au BufEnter /* call LoadCscope()

map <F5> :Tlist<CR>

map <F6> :NERDTreeToggle<CR>

if os == "Linux"

map <F8> :DiffOrig<CR>

map <F10>:set ff=unix<CR>

set pastetoggle=<C-P> " Ctrl-P toggles paste mode

nnoremap <C-N> :set nonumber!<CR> "Ctrl-N toggles numbering line

let g:bufExplorerDefaultHelp=0 " Do not show default help.

let g:bufExplorerShowRelativePath=1 " Show relative paths.

let g:bufExplorerSortBy="mru" " Sort by most recently used.

let g:bufExplorerSplitRight=0 " Split left.

let g:bufExplorerSplitVertical=1 " Split vertically.

let g:bufExplorerSplitVertSize = 30 " Split width

let g:bufExplorerUseCurrentWindow=1 " Open in new window.

if os == "Windows"

set diffexpr=MyDiff()

elseif os == "Linux"

set diffexpr=

function MyDiff()

let opt = '-a --binary '

if &diffopt =~ 'icase' | let opt = opt . '-i ' | endif

if &diffopt =~ 'iwhite' | let opt = opt . '-b ' | endif

let arg1 = v:fname_in

if arg1 =~ ' ' | let arg1 = '"' . arg1 . '"' | endif

let arg2 = v:fname_new

if arg2 =~ ' ' | let arg2 = '"' . arg2 . '"' | endif

let arg3 = v:fname_out

if arg3 =~ ' ' | let arg3 = '"' . arg3 . '"' | endif

let eq = ''

if $VIMRUNTIME =~ ' '

if &sh =~ '\<cmd'

let cmd = '""' . $VIMRUNTIME . '\diff"'

let eq = '"'

else

let cmd = substitute($VIMRUNTIME, ' ', '" ', '') . '\diff"'

endif

else

let cmd = $VIMRUNTIME . '\diff'

endif

silent execute '!' . cmd . ' ' . opt . arg1 . ' ' . arg2 . ' > ' . arg3 . eq