vimrc

filetype off
filetype plugin indent off
runtime! ftplugin/man.vim
let g:cache_home = empty($XDG_CACHE_HOME) ? expand('~/.cache') : $XDG_CACHE_HOME
let g:vim_dir = g:cache_home . '/vim'
" g:vim_dir is now used for path to store undo

"# Python
" see :help python3_host_prog
let g:python_host_prog = "python2"
let g:python3_host_prog = "python3"
echo "python_host_prog=  " . g:python_host_prog
echo "python3_host_prog= " . g:python3_host_prog

function! Source_rc(path, ...) abort
  let use_global = get(a:000, 0, !has('vim_starting'))
  let abspath = resolve(expand('~/.dotfiles/vim/' . a:path))
  if !use_global
    execute 'source' fnameescape(abspath)
    return
  endif

  " substitute all 'set' to 'setglobal'
  let content = map(readfile(abspath),
        \ 'substitute(v:val, "^\\W*\\zsset\\ze\\W", "setglobal", "")')
  " create tempfile and source the tempfile
  let tempfile = tempname()
  try
    call writefile(content, tempfile)
    execute 'source' fnameescape(tempfile)
  finally
    if filereadable(tempfile)
      call delete(tempfile)
    endif
  endtry
endfunction

"============general setting===================
syntax on
set nocompatible
set fileencoding=utf-8
set encoding=utf-8
scriptencoding utf-8

" https://stackoverflow.com/questions/22715071/vim-and-tmux-rendering-error
set tenc=utf8
" set isprint=
set mouse=a
"==============auto file control setting=======
set nobackup          " do not create backupfile
set noswapfile        " do not create swapfile
set confirm           " ask if save unsaved files on quit
set autoread          " update unchanged buffer on external file change
set hidden            " enable buffer switching
set showcmd           " show command during input
set modeline          " use modeline
set modelines=5       " parse modeline to line 5
"=============view setting=====================
set title
set nonumber
set ruler
"set cursorline
"set cursorcolumn
set showmatch
set matchtime=1
set cmdheight=2
set list
"set listchars+=eol:$,tab:>-,trail:~,extends:>,precedes:<,space:.
" TODO: use listchars when utf-8 is not supported
set listchars=tab:▸\ ,eol:↲,extends:❯,precedes:❮
set scrolloff=4
"====spell setting==============================
set nospell
set spelllang=en
if (v:version == 704 && has("patch88")) || v:version >= 705
  set spelllang+=cjk
endif
"====fold setting==============================
set foldmethod=syntax
set foldcolumn=1
"set foldlevel=0
set foldlevel=100
"====search setting============================
set hlsearch
set incsearch
set ignorecase " ignore upper&lower case
set smartcase  " care only upper case with ignorecase
set wrapscan
"================================
set wildmode=list:longest
set wildchar=<Tab>
"====clipboard settings==========
set clipboard&
set clipboard^=unnamedplus
function! OSCYankReg(reg)
    let reg_contents = getreg(a:reg)
    let reg_contents = escape(reg_contents, '\')
    let reg_contents = escape(reg_contents, '\\')
    let reg_contents = escape(reg_contents, '"')
    let reg_contents = escape(reg_contents, '$')
    let reg_contents = escape(reg_contents, '`')
"   TODO: encode contents without shell call to avoid shell escape issue
    let base64_contents = system('echo -n "'. reg_contents .'" | base64 |' .  "tr -d '\\n'")
    let osc52 = "\<Esc>]52;c;" . base64_contents . "\<Esc>\\"
"   $TTY env var is unset by vim, so _TTY should be set in your .bashrc/.zshrc
    let current_tty = $_TTY
    call writefile([osc52], current_tty, "b")
endfunction
autocmd TextYankPost * call OSCYankReg(v:event.regname)
"================================
call Source_rc("map.vim")
call Source_rc("command.vim")
call Source_rc("edit.vim")
call Source_rc("dein.rc.vim")

" for importing ftplugins
set runtimepath+=~/.dotfiles/vim/

filetype on
filetype plugin indent on