.vimrc

"VUNDLE PLUGINS
"===============================================================================
execute pathogen#infect()
set nocompatible              " be iMproved, required
filetype off                  " required
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
Plugin 'VundleVim/Vundle.vim' " required
Plugin 'tpope/vim-repeat'
Plugin 'tpope/vim-commentary'
Plugin 'tpope/vim-surround'
Plugin 'jiangmiao/auto-pairs'
Plugin 'SirVer/ultisnips'
Plugin 'honza/vim-snippets'
" Plugin 'pboettch/vim-cmake-syntax'
Plugin 'nickhutchinson/vim-cmake-syntax'
Plugin 'Valloric/YouCompleteMe'
call vundle#end()             " required


"GLOBAL SETTINGS
"===============================================================================
"syntax highlighting
syntax on
"sets default indentation for filetypes
filetype plugin indent on
"dark colors
colorscheme koehler
"crosshairs
set cursorline cursorcolumn
highlight CursorLine   cterm=NONE ctermbg=238 ctermfg=NONE guibg=black guifg=NONE 
highlight CursorColumn cterm=NONE ctermbg=238 ctermfg=NONE guibg=black guifg=NONE
"map '%%' in command line to current buffer directory
cnoremap <expr> %% getcmdtype() == ':' ? expand('%:h').'/' : '%%'
"line numbers, highlight search
set number hlsearch
"copy contents of '+' register to clipboard 
autocmd VimLeave * call system("xsel -ib", getreg('+'))
"put .swp and ~ files under ~/.vim
set backupdir=$HOME/.vim/backup
set directory=$HOME/.vim/swap
"default to 4-space indent
set shiftwidth=4 tabstop=4 expandtab
" allow backspacing over everything in insert mode
set backspace=indent,eol,start


"FILE-SPECIFIC SETTINGS
"===============================================================================
autocmd FileType c      setlocal shiftwidth=8 tabstop=8 noexpandtab cino=(0
autocmd FileType make   setlocal shiftwidth=8 tabstop=8 noexpandtab cino=(0
autocmd FileType cpp    setlocal cino=(0
autocmd FileType cmake  setlocal cino=(0
autocmd FileType java   setlocal cindent noexpandtab
autocmd FileType python setlocal cino=(0
autocmd FileType xml    setlocal shiftwidth=2 tabstop=2
autocmd FileType yaml   setlocal shiftwidth=2 tabstop=2
" view c++ standard headers with correct FileType
autocmd BufRead * if search('\M-*- C++ -*-', 'n', 1) | setlocal ft=cpp | endif


"PLUGIN SETTINGS
"===============================================================================
"YouCompleteMe
let g:ycm_global_ycm_extra_conf           ='~/.vim/.ycm_extra_conf.py' "global conf
let g:ycm_show_diagnostics_ui             =0                           "no syntax
let g:ycm_enable_diagnostic_signs         =0                           "no syntax
let g:ycm_enable_diagnostic_highlighting  =0                           "no syntax
set completeopt                          -=preview                     "no popups
"vim-commentary
autocmd FileType groovy setlocal commentstring=//\ %s "/**/ -> //
autocmd FileType cpp   	setlocal commentstring=//\ %s "/**/ -> //
autocmd FileType cmake 	setlocal commentstring=#\ %s  "/**/ -> #
"UltiSnips
let g:UltiSnipsExpandTrigger="<c-k>"
let g:UltiSnipsJumpForwardTrigger="<c-b>"
let g:UltiSnipsJumpBackwardTrigger="<c-z>"
let g:UltiSnipsEditSplit="vertical"
"cscope
function! LoadCscope() "search for cscope in current and parent directories
  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
autocmd BufEnter *.[ch],*.[chi]pp,*.[eh]rl call LoadCscope() "C/C++/erlang files
"ctags
set tags=tags; "if not found in current directory, search ancestors