.vimrc

set nocompatible              " be iMproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
set number
set encoding=utf-8
set fileencodings=ucs-bom,utf-8,cp936
set fileencoding=gb2312
set termencoding=utf-8
set autoindent
set sw=4
set ts=4
" set text width to 80
set tw=80
set colorcolumn=80
set foldmethod=indent
set foldnestmax=10
set nofoldenable
set foldlevel=2
set expandtab
let mapleader = ","
" for ctags 
set autochdir 
set tags+=./tags;
" for ctrlp.
set splitright
set winwidth=85
nnoremap <c-u> viwlU
" open vimrc and save vimrc
nnoremap <leader>ev :vsplit $MYVIMRC<cr>
nnoremap <leader>sv :source $MYVIMRC<cr>
" map c-[ to esc
noremap <c-[> <esc>

syntax enable
set background=dark
let g:solarized_termcolors=256

" nnoremap <C-N> :bn<CR>
nnoremap <C-P> :bp<CR>

" When using tmux as screen-256color, use following lines to fix mapping problem.
if $TERM == 'screen-256color'
    map <esc>[[19~ <f8>
endif

call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'
Plugin 'kien/ctrlp.vim'
let g:ctrlp_cache_dir = $HOME . '/.cache/ctrlp'
if executable('ag')
    let g:ctrlp_user_command = 'ag %s -l --nocolor -g ""'
endif
let g:ctrlp_working_path_mode = 'ra'
let g:ctrlp_custom_ignore = {
  \ 'dir':  '\v[\/]\.(git|hg|svn)$',
  \ 'file': '\v\.(exe|so|dll|jpg|png)$'
  \ }
let g:ctrlp_map = '<c-p>'
let g:ctrlp_cmd = 'CtrlP'
let g:ctrlp_match_window = 'bottom,order:btt,min:1,max:10,results:20'
let g:ctrlp_working_path_mode = 'rw'
Plugin 'taglist.vim'
let Tlist_Ctags_Cmd='ctags'
let Tlist_Show_One_File=1               
let Tlist_WinWidt =28                  
let Tlist_Exit_OnlyWindow=1           
let Tlist_Use_Right_Window=1         
let Tlist_Use_Left_Windo =1             
Plugin 'bling/vim-airline'
let g:airline_theme="molokai" 
"let g:airline_powerline_fonts = 1   
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#buffer_nr_show = 1

Plugin 'vim-airline/vim-airline-themes'
Plugin 'Solarized'
Plugin 'easymotion/vim-easymotion'
map <Leader><Leader> <Plug>(easymotion-prefix)
Plugin 'Valloric/YouCompleteMe'
nnoremap <leader>jd :YcmCompleter GoToDefinitionElseDeclaration<CR>
set completeopt=menu,menuone
let g:ycm_add_preview_to_completeopt = 0
let g:ycm_server_python_interpreter='/usr/bin/python3'
let g:ycm_global_ycm_extra_conf='~/.vim/.ycm_extra_conf.py'
Plugin 'scrooloose/nerdtree'
let g:NERDTreeChDirMode = 2
map <c-n> :NERDTreeToggle<CR>
Plugin 'SirVer/ultisnips'
" Snippets are separated from the engine. Add this if you want them:
Plugin 'honza/vim-snippets'
Plugin 'majutsushi/tagbar'
nnoremap <f8> :TagbarToggle<CR>

let g:UltiSnipsExpandTrigger="<c-h>"
let g:UltiSnipsJumpForwardTrigger="<c-j>"
let g:UltiSnipsJumpBackwardTrigger="<c-k>"

Plugin 'scrooloose/nerdcommenter'
Plugin 'tpope/vim-surround'
" for markdown syntax.
Plugin 'godlygeek/tabular'
Plugin 'plasticboy/vim-markdown'
Plugin 'jiangmiao/auto-pairs'
filetype plugin on
call vundle#end()            " required
filetype plugin indent on    " required

" from https://gist.github.com/goerz/36015f27c2a5423c64a5f9dc03865f2c
" Terminal fixes
"
" These originate from some linux distribution's system vimrc. I can't say
" that I understand the details what's going on here, but without these
" settings, I've had problems like vim starting in REPLACE mode for
" TERM=xterm-256color (neovim is fine)

if &term =~? 'xterm'
    let s:myterm = 'xterm'
else
    let s:myterm =  &term
endif
let s:myterm = substitute(s:myterm, 'cons[0-9][0-9].*$',  'linux', '')
let s:myterm = substitute(s:myterm, 'vt1[0-9][0-9].*$',   'vt100', '')
let s:myterm = substitute(s:myterm, 'vt2[0-9][0-9].*$',   'vt220', '')
let s:myterm = substitute(s:myterm, '\\([^-]*\\)[_-].*$', '\\1',   '')

" Here we define the keys of the NumLock in keyboard transmit mode of xterm
" which misses or hasn't activated Alt/NumLock Modifiers.  Often not defined
" within termcap/terminfo and we should map the character printed on the keys.
if s:myterm ==? 'xterm' || s:myterm ==? 'kvt' || s:myterm ==? 'gnome'
    " keys in insert/command mode.
    map! <ESC>Oo  :
    map! <ESC>Oj  *
    map! <ESC>Om  -
    map! <ESC>Ok  +
    map! <ESC>Ol  ,
    map! <ESC>Ow  7
    map! <ESC>Ox  8
    map! <ESC>Oy  9
    map! <ESC>Ot  4
    map! <ESC>Ou  5
    map! <ESC>Ov  6
    map! <ESC>Oq  1
    map! <ESC>Or  2
    map! <ESC>Os  3
    map! <ESC>Op  0
    map! <ESC>On  .
    " keys in normal mode
    map <ESC>Oo  :
    map <ESC>Oj  *
    map <ESC>Om  -
    map <ESC>Ok  +
    map <ESC>Ol  ,
    map <ESC>Ow  7
    map <ESC>Ox  8
    map <ESC>Oy  9
    map <ESC>Ot  4
    map <ESC>Ou  5
    map <ESC>Ov  6
    map <ESC>Oq  1
    map <ESC>Or  2
    map <ESC>Os  3
    map <ESC>Op  0
    map <ESC>On  .
endif

" xterm but without activated keyboard transmit mode
" and therefore not defined in termcap/terminfo.
if s:myterm ==? 'xterm' || s:myterm ==? 'kvt' || s:myterm ==? 'gnome'
    " keys in insert/command mode.
    map! <Esc>[H  <Home>
    map! <Esc>[F  <End>
    " Home/End: older xterms do not fit termcap/terminfo.
    map! <Esc>[1~ <Home>
    map! <Esc>[4~ <End>
    " Up/Down/Right/Left
    map! <Esc>[A  <Up>
    map! <Esc>[B  <Down>
    map! <Esc>[C  <Right>
    map! <Esc>[D  <Left>
    " KP_5 (NumLock off)
    map! <Esc>[E  <Insert>
    " PageUp/PageDown
    map <ESC>[5~ <PageUp>
    map <ESC>[6~ <PageDown>
    map <ESC>[5;2~ <PageUp>
    map <ESC>[6;2~ <PageDown>
    map <ESC>[5;5~ <PageUp>
    map <ESC>[6;5~ <PageDown>
    " keys in normal mode
    map <ESC>[H  0
    map <ESC>[F  $
    " Home/End: older xterms do not fit termcap/terminfo.
    map <ESC>[1~ 0
    map <ESC>[4~ $
    " Up/Down/Right/Left
    map <ESC>[A  k
    map <ESC>[B  j
    map <ESC>[C  l
    map <ESC>[D  h
    " KP_5 (NumLock off)
    map <ESC>[E  i
    " PageUp/PageDown
    map <ESC>[5~ 
    map <ESC>[6~ 
    map <ESC>[5;2~ 
    map <ESC>[6;2~ 
    map <ESC>[5;5~ 
    map <ESC>[6;5~ 
endif

" xterm/kvt but with activated keyboard transmit mode.
" Sometimes not or wrong defined within termcap/terminfo.
if s:myterm ==? 'xterm' || s:myterm ==? 'kvt' || s:myterm ==? 'gnome'
    " keys in insert/command mode.
    map! <Esc>OH <Home>
    map! <Esc>OF <End>
    map! <ESC>O2H <Home>
    map! <ESC>O2F <End>
    map! <ESC>O5H <Home>
    map! <ESC>O5F <End>
    " Cursor keys which works mostly
    " map! <Esc>OA <Up>
    " map! <Esc>OB <Down>
    " map! <Esc>OC <Right>
    " map! <Esc>OD <Left>
    map! <Esc>[2;2~ <Insert>
    map! <Esc>[3;2~ <Delete>
    map! <Esc>[2;5~ <Insert>
    map! <Esc>[3;5~ <Delete>
    map! <Esc>O2A <PageUp>
    map! <Esc>O2B <PageDown>
    map! <Esc>O2C <S-Right>
    map! <Esc>O2D <S-Left>
    map! <Esc>O5A <PageUp>
    map! <Esc>O5B <PageDown>
    map! <Esc>O5C <S-Right>
    map! <Esc>O5D <S-Left>
    " KP_5 (NumLock off)
    map! <Esc>OE <Insert>
    " keys in normal mode
    map <ESC>OH  0
    map <ESC>OF  $
    map <ESC>O2H  0
    map <ESC>O2F  $
    map <ESC>O5H  0
    map <ESC>O5F  $
    " Cursor keys which works mostly
    " map <ESC>OA  k
    " map <ESC>OB  j
    " map <ESC>OD  h
    " map <ESC>OC  l
    map <Esc>[2;2~ i
    map <Esc>[3;2~ x
    map <Esc>[2;5~ i
    map <Esc>[3;5~ x
    map <ESC>O2A  ^B
    map <ESC>O2B  ^F
    map <ESC>O2D  b
    map <ESC>O2C  w
    map <ESC>O5A  ^B
    map <ESC>O5B  ^F
    map <ESC>O5D  b
    map <ESC>O5C  w
    " KP_5 (NumLock off)
    map <ESC>OE  i
endif

if s:myterm ==? 'linux'
    " keys in insert/command mode.
    map! <Esc>[G  <Insert>
    " KP_5 (NumLock off)
    " keys in normal mode
    " KP_5 (NumLock off)
    map <ESC>[G  i
endif

" This escape sequence is the well known ANSI sequence for
" Remove Character Under The Cursor (RCUTC[tm])
map! <Esc>[3~ <Delete>
map  <ESC>[3~    x