vimrc

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" vim-plug
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Install vim-plug if we don't already have it
if empty(glob("~/.vim/autoload/plug.vim"))
    " Ensure all needed directories exist  (Thanks @kapadiamush)
    execute '!mkdir -p ~/.vim/plugged'
    execute '!mkdir -p ~/.vim/autoload'
    " Download the actual plugin manager
    execute '!curl -fLo ~/.vim/autoload/plug.vim https://raw.github.com/junegunn/vim-plug/master/plug.vim'
endif

call plug#begin('~/.vim/plugged')

Plug 'vim-scripts/a.vim'
Plug 'vim-scripts/minibufexpl.vim'
Plug 'tpope/vim-surround'
Plug 'tpope/vim-repeat'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-git', { 'for': 'git'  }
Plug 'jiangmiao/auto-pairs'
Plug 'airblade/vim-gitgutter'
Plug 'fatih/vim-go', { 'do': ':GoInstallBinaries'  }

call plug#end()

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" General
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"Get out of VI's compatible mode..
set nocompatible

"Sets how many lines of history VIM har to remember
set history=400

"Enable filetype plugin
filetype plugin on
filetype indent on

"Set to auto read when a file is changed from the outside
set autoread

"Have the mouse enabled all the time:
set mouse=""

"Set mapleader
let mapleader = ","
let maplocalleader = ","
let g:mapleader = ","

"Fast saving
nmap <leader>w :w!<cr>
nmap <leader>q :q<cr>

"Fast reloading of the .vimrc
map <leader>s :source ~/.vimrc<cr>
"Fast editing of .vimrc
map <leader>e :e! ~/.vimrc<cr>

"File encoding
set encoding=utf-8
set fileencoding=utf-8
set fileencodings=utf-8,euc-jp,gb18030
set ambiwidth=double

"Tags
"set tags=./tags,./../tags,./../../tags,./**/tags,tags

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Colors and Fonts
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"Enable syntax hl
syntax enable

set background=dark

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Fileformats
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"Favorite filetypes
set ffs=unix,dos,mac

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" VIM userinterface
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"Set 7 lines to the curors - when moving vertical..
"set so=7

"Turn on WiLd menu
set wildmenu

"Always show current position
set ruler

"The commandbar is 1 high
set cmdheight=1

"Show line number
set nu

"Do not redraw, when running macros.. lazyredraw
set lz

"Change buffer - without saving
set hid

"Set backspace
set backspace=eol,start,indent

"Bbackspace and cursor keys wrap to
set whichwrap+=<,>,h,l

"Ignore case when searching
"ignore case search is too slow!!!
"set ignorecase
set incsearch

"No sound on errors.
set noerrorbells
set novisualbell
set t_vb=

"show matching bracets
set showmatch

"Highlight search things
set hlsearch

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Files and backups
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"Turn backup off
set nobackup
set nowb
"set noswapfile

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Folding
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"Enable folding, I find it very useful
set nofen
set fdl=0


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Text options
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set textwidth=79

map <leader>t2 :set shiftwidth=2<cr>
map <leader>t4 :set shiftwidth=4<cr>
map <leader>t8 :set shiftwidth=8<cr>

set smarttab
set lbr
set tw=500

""""""""""""""""""""""""""""""
" Indent
""""""""""""""""""""""""""""""
"Auto indent
set ai

"Smart indet
set si

"C-style indeting
set cindent

"Wrap lines
set wrap

"""""""""""""""""""""""""""""""""""""""""""""""""""
" Cscope
"""""""""""""""""""""""""""""""""""""""""""""""""""
if has("cscope")
    " use both cscope and ctag for 'ctrl-]', ':ta', and 'vim -t'
    set cscopetag

    " check cscope for definition of a symbol before checking ctags: set to 1
    " if you want the reverse search order.
    set csto=1

    " add any cscope database in current directory
    if filereadable("cscope.out")
        " suppress error message if database is already loaded
        set nocsverb
        cs add cscope.out  
    " else add the database pointed to by environment variable 
    elseif $CSCOPE_DB != ""
        cs add $CSCOPE_DB
    endif

    " show msg when any other cscope db added
    set cscopeverbose  

    """"""""""""" My cscope/vim key mappings
    "
    " The following maps all invoke one of the following cscope search types:
    "
    "   's'   symbol: find all references to the token under cursor
    "   'g'   global: find global definition(s) of the token under cursor
    "   'c'   calls:  find all calls to the function name under cursor
    "   't'   text:   find all instances of the text under cursor
    "   'e'   egrep:  egrep search for the word under cursor
    "   'f'   file:   open the filename under cursor
    "   'i'   includes: find files that include the filename under cursor
    "   'd'   called: find functions that function under cursor calls

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

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" MISC
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"Remove the Windows ^M
noremap <leader>m mmHmt:%s/<C-V><cr>//ge<cr>'tzt'm

"Super paste
inoremap <C-v> <esc>:set paste<cr>mui<C-R>+<esc>mv'uV'v=:set nopaste<cr>

" 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

" go-vim
let g:go_template_autocreate = 0

" Enable true color
if exists('+termguicolors')
  let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
  let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
  set termguicolors
endif