vim_config

filetype plugin indent on

let b:coc_suggest_disable = 1
let g:lsp_cxx_hl_use_text_props = 1
set updatetime=300  
"let b:coc_diagnostic_disable = 1
"let b:usemarks = 0
"let g:loaded_matchparen=1

set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
Plugin 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plugin 'junegunn/fzf.vim'
Plugin 'preservim/nerdtree'
Plugin 'uiiaoo/java-syntax.vim'
Plugin 'jiangmiao/auto-pairs'
Plugin 'challenger-deep-theme/vim', {'name': 'challenger-deep-theme'}
Plugin 'tpope/vim-surround'
Plugin 'neoclide/coc.nvim', {'branch': 'release'}
Plugin 'jackguo380/vim-lsp-cxx-highlight'
call vundle#end()

syntax on
set mouse=a
set number
set backspace=2
set tabstop=4
set softtabstop=4
set shiftwidth=4
set expandtab
set clipboard=unnamedplus
colorscheme challenger_deep
set termguicolors

highlight link javaIdentifier NONE
highlight link javaDelimiter NONE
highlight Normal ctermfg=256 ctermbg=256 guifg=#ffffff guibg=black
highlight String guifg=yellow
highlight Identifier guifg=cyan
highlight Operator guifg=#99ff33
highlight PreProc guifg=green
highlight Error NONE
highlight MatchParen ctermfg=256 ctermbg=21 guifg=white guibg=blue gui=bold
highlight Statement guifg=red 
highlight Operator guifg=green
highlight Repeat guifg=green
highlight Visual term=reverse ctermbg=21 guibg=blue ctermfg=256 cterm=bold
highlight LineNr ctermfg=21 guifg=blue guibg=black
highlight Number guifg=orange
highlight pythonClass ctermfg=226 cterm=bold

"highlight Function guifg=purple
highlight cppBoolean guifg=cyan
highlight cType guifg=cyan
map  <Esc>:w<CR>:!clear && python3.9 leetcode.py<CR>
map  :Files .<CR>


autocmd BufWinEnter * NERDTreeMirror
autocmd VimEnter * NERDTree | wincmd p
autocmd BufEnter * if winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif

let g:autoclose_loaded = 1
let s:cotstate = &completeopt

if exists('g:autoclose_loaded') || &cp
    finish
endif



if !exists('g:autoclose_on')
    let g:autoclose_on = 1
endif


" (Toggle) Mappings -----------------------------{{{1
"
nmap <Plug>ToggleAutoCloseMappings :call <SID>ToggleAutoCloseMappings()<CR>
if (!hasmapto( '<Plug>ToggleAutoCloseMappings', 'n' ))
    nmap <unique> <Leader>a <Plug>ToggleAutoCloseMappings
endif
fun <SID>ToggleAutoCloseMappings() " --- {{{2
    if g:autoclose_on
        iunmap "
        iunmap '
        iunmap (
        iunmap )
        iunmap [
        iunmap ]
        iunmap {
        iunmap }
        iunmap <BS>
        iunmap <C-h>
        iunmap <Esc>
        let g:autoclose_on = 0
        echo "AutoClose Off"
    else
        inoremap <silent> " <C-R>=<SID>QuoteDelim('"')<CR>
        inoremap <silent> ' <C-R>=match(getline('.')[col('.') - 2],'\w') == 0 && getline('.')[col('.')-1] != "'" ? "'" : <SID>QuoteDelim("'")<CR>
        inoremap <silent> ( (<C-R>=<SID>CloseStackPush(')')<CR>
        inoremap ) <C-R>=<SID>CloseStackPop(')')<CR>
        inoremap <silent> [ [<C-R>=<SID>CloseStackPush(']')<CR>
        inoremap <silent> ] <C-R>=<SID>CloseStackPop(']')<CR>
        "inoremap <silent> { {<C-R>=<SID>CloseStackPush('}')<CR>
        inoremap <silent> { <C-R>=<SID>OpenSpecial('{','}')<CR>
        inoremap <silent> } <C-R>=<SID>CloseStackPop('}')<CR>
        inoremap <silent> <BS> <C-R>=<SID>OpenCloseBackspace()<CR>
        inoremap <silent> <C-h> <C-R>=<SID>OpenCloseBackspace()<CR>
        inoremap <silent> <Esc> <C-R>=<SID>CloseStackPop('')<CR><Esc>
        inoremap <silent> <C-[> <C-R>=<SID>CloseStackPop('')<CR><C-[>
        "the following simply creates an ambiguous mapping so vim fully
        "processes the escape sequence for terminal keys, see 'ttimeout' for a
        "rough explanation, this just forces it to work
        if &term[:4] == "xterm"
            inoremap <silent> <C-[>OC <RIGHT>
        endif
        let g:autoclose_on = 1
        if a:0 == 0
            "this if is so this message doesn't show up at load
            echo "AutoClose On"
        endif
    endif
endf
let s:closeStack = []

" AutoClose Utilities -----------------------------------------{{{1
function <SID>OpenSpecial(ochar,cchar) " ---{{{2
    let line = getline('.')
    let col = col('.') - 2
    "echom string(col).':'.line[:(col)].'|'.line[(col+1):]
    if a:ochar == line[(col)] && a:cchar == line[(col+1)] "&& strlen(line) - (col) == 2
        "echom string(s:closeStack)
        while len(s:closeStack) > 0
            call remove(s:closeStack, 0)
        endwhile
        return "\<esc>a\<CR>;\<CR>".a:cchar."\<esc>\"_xk$\"_xa"
    endif
    return a:ochar.<SID>CloseStackPush(a:cchar)
endfunction

function <SID>CloseStackPush(char) " ---{{{2
    "echom "push"
    let line = getline('.')
    let col = col('.')-2
    if (col) < 0
        call setline('.',a:char.line)
    else
        "echom string(col).':'.line[:(col)].'|'.line[(col+1):]
        call setline('.',line[:(col)].a:char.line[(col+1):])
    endif
    call insert(s:closeStack, a:char)
    "echom join(s:closeStack,'').' -- '.a:char
    return ''
endf

function <SID>JumpOut(char) " ----------{{{2
    let column = col('.') - 1
    let line = getline('.')
    let mcol = match(line[column :], a:char)
    if a:char != '' &&  mcol >= 0
        "Yeah, this is ugly but vim actually requires each to be special
        "cased to avoid screen flashes/not doing the right thing.
        echom len(line).' '.(column+mcol)
        if line[column] == a:char
            return "\<Right>"
        elseif column+mcol == len(line)-1
            return "\<C-O>A"
        else
            return "\<C-O>f".a:char."\<Right>"
        endif
    else
        return a:char
    endif
endf
function <SID>CloseStackPop(char) " ---{{{2
    "echom "pop"
    if(a:char == '')
        pclose
    endif
    if len(s:closeStack) == 0
        return <SID>JumpOut(a:char)
    endif
    let column = col('.') - 1
    let line = getline('.')
    let popped = ''
    let lastpop = ''
    "echom join(s:closeStack,'').' || '.lastpop
    while len(s:closeStack) > 0 && ((lastpop == '' && popped == '') || lastpop != a:char)
        let lastpop = remove(s:closeStack,0)
        let popped .= lastpop
        "echom join(s:closeStack,'').' || '.lastpop.' || '.popped
    endwhile
    "echom ' --> '.popped
    if line[column : column+strlen(popped)-1] != popped
        return <SID>JumpOut('')
    endif
    if column > 0
        call setline('.',line[:column-1].line[(column+strlen(popped)):])
    else
        call setline('.','')
    endif
    return popped
endf

function <SID>QuoteDelim(char) " ---{{{2
  let line = getline('.')
  let col = col('.')
  if line[col - 2] == "\\"
    "Inserting a quoted quotation mark into the string
    return a:char
  elseif line[col - 1] == a:char
    "Escaping out of the string
    return "\<C-R>=".s:SID()."CloseStackPop(\"\\".a:char."\")\<CR>"
  else
    "Starting a string
    return a:char."\<C-R>=".s:SID()."CloseStackPush(\"\\".a:char."\")\<CR>"
  endif
endf

" The strings returned from QuoteDelim aren't in scope for <SID>, so I
" have to fake it using this function (from the Vim help, but tweaked)
function s:SID()
    return matchstr(expand('<sfile>'), '<SNR>\d\+_\zeSID$')
endfun

function <SID>OpenCloseBackspace() " ---{{{2
    "if pumvisible()
    "    pclose
    "    call <SID>StopOmni()
    "    return "\<C-E>"
    "else
        let curline = getline('.')
        let curpos = col('.')
        let curletter = curline[curpos-1]
        let prevletter = curline[curpos-2]
        if (prevletter == '"' && curletter == '"') ||
\          (prevletter == "'" && curletter == "'") ||
\          (prevletter == "(" && curletter == ")") ||
\          (prevletter == "{" && curletter == "}") ||
\          (prevletter == "[" && curletter == "]")
            if len(s:closeStack) > 0
                call remove(s:closeStack,0)
            endif
            return "\<Delete>\<BS>"
        else
            return "\<BS>"
        endif
    "endif
endf

" Initialization ----------------------------------------{{{1
if g:autoclose_on
    let g:autoclose_on = 0
    silent call <SID>ToggleAutoCloseMappings()
endif
" vim: set ft=vim ff=unix et sw=4 ts=4 :
vim600: set foldmethod=marker foldmarker={{{,}}} foldlevel=1 :


" Set internal encoding of vim, not needed on neovim, since coc.nvim using some
" unicode characters in the file autoload/float.vim{{{
set encoding=utf-8

" TextEdit might fail if hidden is not set.
set hidden

" Some servers have issues with backup files, see #649.
set nobackup
set nowritebackup

" Give more space for displaying messages.
set cmdheight=2

" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
" delays and poor user experience.

" Don't pass messages to |ins-completion-menu|.
set shortmess+=c

" Always show the signcolumn, otherwise it would shift the text each time
" diagnostics appear/become resolved.
if has("nvim-0.5.0") || has("patch-8.1.1564")
  " Recently vim can merge signcolumn and number column into one
  set signcolumn=number
else
  set signcolumn=yes
endif

" Use tab for trigger completion with characters ahead and navigate.
" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
" other plugin before putting this into your config.
inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

" Use <c-space> to trigger completion.
if has('nvim')
  inoremap <silent><expr> <c-space> coc#refresh()
else
  inoremap <silent><expr> <c-@> coc#refresh()
endif

" Make <CR> auto-select the first completion item and notify coc.nvim to
" format on enter, <cr> could be remapped by other vim plugin
inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

" Use `[g` and `]g` to navigate diagnostics
" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

" Use K to show documentation in preview window.
nnoremap <silent> K :call <SID>show_documentation()<CR>

function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  elseif (coc#rpc#ready())
    call CocActionAsync('doHover')
  else
    execute '!' . &keywordprg . " " . expand('<cword>')
  endif
endfunction

" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming.
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code.
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

augroup mygroup
  autocmd!
  " Setup formatexpr specified filetype(s).
  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
  " Update signature help on jump placeholder.
  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" Applying codeAction to the selected region.
" Example: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap keys for applying codeAction to the current buffer.
nmap <leader>ac  <Plug>(coc-codeaction)
" Apply AutoFix to problem on the current line.
nmap <leader>qf  <Plug>(coc-fix-current)

" Run the Code Lens action on the current line.
nmap <leader>cl  <Plug>(coc-codelens-action)

" Map function and class text objects
" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
xmap if <Plug>(coc-funcobj-i)
omap if <Plug>(coc-funcobj-i)
xmap af <Plug>(coc-funcobj-a)
omap af <Plug>(coc-funcobj-a)
xmap ic <Plug>(coc-classobj-i)
omap ic <Plug>(coc-classobj-i)
xmap ac <Plug>(coc-classobj-a)
omap ac <Plug>(coc-classobj-a)

" Remap <C-f> and <C-b> for scroll float windows/popups.
if has('nvim-0.4.0') || has('patch-8.2.0750')
  nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
  inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
  inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
  vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
endif

" Use CTRL-S for selections ranges.
" Requires 'textDocument/selectionRange' support of language server.
nmap <silent> <C-s> <Plug>(coc-range-select)
xmap <silent> <C-s> <Plug>(coc-range-select)

" Add `:Format` command to format current buffer.
command! -nargs=0 Format :call CocActionAsync('format')

" Add `:Fold` command to fold current buffer.
command! -nargs=? Fold :call     CocAction('fold', <f-args>)

" Add `:OR` command for organize imports of the current buffer.
command! -nargs=0 OR   :call     CocActionAsync('runCommand', 'editor.action.organizeImport')

" Add (Neo)Vim's native statusline support.
" NOTE: Please see `:h coc-status` for integrations with external plugins that
" provide custom statusline: lightline.vim, vim-airline.
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}

" Mappings for CoCList
" Show all diagnostics.
nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions.
nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
" Show commands.
nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document.
nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols.
nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list.
nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>}}}