.vimrc

" .vimrc (Anshul Nigham)
"
" Most of the below is customized from http://amix.dk/vim/vimrc.html

set nocompatible

" Enable filetype plugin
filetype plugin on
filetype indent on

" With a map leader it's possible to do extra key combinations
" like <leader>w saves the current file
let mapleader = ","
let g:mapleader = ","

" Fast saving and quitting
nmap <leader>w :w<cr>
nmap <leader>q :q<cr>

au FileType go nmap <leader>r :GoRun<cr>
au FileType go nmap <leader>b :GoBuild<cr>

set hlsearch "Highlight search things
set incsearch "Make search act like search in modern browsers

" Show matching braces
set showmatch

set number
set relativenumber
syntax on

set expandtab
set ts=2
set sw=2
set smarttab

set ai
set si
set wrap

set wildmenu

""""""""""""""""""""""""""""""
" => Visual mode related
""""""""""""""""""""""""""""""
" Really useful!
"  In visual mode when you press * or # to search for the current selection
vnoremap <silent> * :call VisualSearch('f')<CR>
vnoremap <silent> # :call VisualSearch('b')<CR>

" From an idea by Michael Naumann
function! VisualSearch(direction) range
    let l:saved_reg = @"
    execute "normal! vgvy"

    let l:pattern = escape(@", '\\/.*$^~[]')
    let l:pattern = substitute(l:pattern, "\n$", "", "")

    if a:direction == 'b'
        execute "normal ?" . l:pattern . "^M"
    elseif a:direction == 'gv'
        call CmdLine("vimgrep " . '/'. l:pattern . '/' . ' **/*.')
    elseif a:direction == 'f'
        execute "normal /" . l:pattern . "^M"
    endif

    let @/ = l:pattern
    let @" = l:saved_reg
endfunction

" When vimrc is edited, reload it
autocmd! bufwritepost vimrc source ~/.vim_runtime/vimrc

cno $h e ~/

" Bash like keys for the command line
cnoremap <C-A>      <Home>
cnoremap <C-E>      <End>
cnoremap <C-K>      <C-U>

func! Cwd()
  let cwd = getcwd()
  return "e " . cwd 
endfunc

func! DeleteTillSlash()
  let g:cmd = getcmdline()
  if MySys() == "linux" || MySys() == "mac"
    let g:cmd_edited = substitute(g:cmd, "\\(.*\[/\]\\).*", "\\1", "")
  else
    let g:cmd_edited = substitute(g:cmd, "\\(.*\[\\\\]\\).*", "\\1", "")
  endif
  if g:cmd == g:cmd_edited
    if MySys() == "linux" || MySys() == "mac"
      let g:cmd_edited = substitute(g:cmd, "\\(.*\[/\]\\).*/", "\\1", "")
    else
      let g:cmd_edited = substitute(g:cmd, "\\(.*\[\\\\\]\\).*\[\\\\\]", "\\1", "")
    endif
  endif
  return g:cmd_edited
endfunc

func! CurrentFileDir(cmd)
  return a:cmd . " " . expand("%:p:h") . "/"
endfunc

" Navigate tabs easily
map <C-h> gT
map <C-l> gt

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Parenthesis/bracket expanding
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
vnoremap $1 <esc>`>a)<esc>`<i(<esc>
vnoremap $2 <esc>`>a]<esc>`<i[<esc>
vnoremap $3 <esc>`>a}<esc>`<i{<esc>
vnoremap $$ <esc>`>a"<esc>`<i"<esc>
vnoremap $q <esc>`>a'<esc>`<i'<esc>
vnoremap $e <esc>`>a"<esc>`<i"<esc>

" Map auto complete of (, ", ', [
inoremap $1 ()<esc>i
inoremap $2 []<esc>i
inoremap $3 {}<esc>i
inoremap $4 {<esc>o}<esc>O
inoremap $q ''<esc>i
inoremap $e ""<esc>i
inoremap $t <><esc>i

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Editing mappings
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
map 0 ^
map ` $

"Move a line of text using ALT+[jk] or Comamnd+[jk] on mac
nmap <M-j> mz:m+<cr>`z
nmap <M-k> mz:m-2<cr>`z
vmap <M-j> :m'>+<cr>`<my`>mzgv`yo`z
vmap <M-k> :m'<-2<cr>`>my`<mzgv`yo`z

" Allow backspace / delete over anything
set backspace=indent,eol,start

let g:miniBufExplVSplit = 40   " column width in chars

" Allow switching between buffers without saving.
set hidden
colorscheme desert