vimrc

" 设置leader键
let mapleader = " "

" 通用设置
colorscheme industry
set nu
set relativenumber
set showcmd
set wildmenu
set scrolloff=5
set laststatus=2
set history=200
set mouse=a
set cursorline
hi CursorLine NONE ctermbg=241
hi CursorLineNr NONE ctermbg=241
"autocmd BufRead,BufNewFile * execute "NoMatchParen"

" 保存和退出
map Q :q<CR>
map W :w<CR>

" 移动和映射
noremap H 8h
noremap J 5j
noremap K 5k
noremap L 5l
noremap e ea
noremap [ (
noremap ] )
noremap - ^
noremap = $

" 复制、粘贴
noremap <leader>y "zy
noremap <leader>d "zd
noremap <leader>p "zp
noremap <leader>P "zP

" 搜索、替换
set incsearch
set hlsearch
map <c-n> :nohlsearch<CR>
map <c-f> :%s//gc<LEFT><LEFT><LEFT>

" 显示空格和tab
"˙ˋ゜゛ɑθεεΘΟοо▫◽◾﹡﹢
set list
set listchars=tab:>-,space:▫
hi SpecialKey ctermfg=241

" 回到上次编辑的位置
autocmd BufRead * execute "normal! `\""


" 	多窗口编辑
" Ctrl+e 	打开新窗口
" Ctrl+h或l 	改变活动窗口
" Ctrl+>或< 	改变窗口大小
map <c-e> :vsplit<CR><c-w>l:find .<CR>
noremap <c-h> <c-w>h
noremap <c-l> <c-w>l
noremap <c-j> <c-w><
noremap <c-k> <c-w>>


"	分页编辑
" leader+a	打开新分页
" leader+c	关闭其他分页
" t或者T	切换分页
map <leader>a :tabnew<CR>:find .<CR>
map <leader>c :tabonly<CR>
map t :tabnext<CR>
map T :tabprevious<CR>


"	折叠设置
set foldcolumn=1
set foldmethod=marker


"	自动缩进
" 仅设置了python和c
function AutoIndent()
	if &filetype == "python"
		set smartindent
		set expandtab
		set shiftwidth=4
		set softtabstop=4
		set nocindent
	elseif &filetype == "c"
		set cindent
		set shiftwidth=8
		set softtabstop=0
		set nosmartindent
		set noexpandtab
	else
		set smartindent
		set shiftwidth=8
		set softtabstop=0
		set nocindent
		set noexpandtab
	endif
endfunction
autocmd BufRead,BufNewFile * call AutoIndent()


"	检测新文件的类型
augroup CheckFileType_g
autocmd CursorMovedI * call CheckFileType()
augroup END
function CheckFileType()
	if exists("b:count") == 0
		let b:count = 0
	endif
	let b:count += 1
	if &filetype == "" && b:count > 20 && b:count < 200
		filetype detect
	elseif b:count >= 200 || &filetype != ""
		autocmd! CheckFileType_g
	endif
endfunction


"	固定格式输入
function DefultInput()
	"call setline(line("."), "this is setline")
	call append(line(".")+0, "this is 0")
	call append(line(".")+1, "this is 1")
	call append(line(".")+2, "this is 2")
	call append(line(".")+3, "this is 3")
endfunction
ab dfit <ESC>:call DefultInput()<CR>


"	括号补全
inoremap ( ()<LEFT>
inoremap [ []<LEFT>
inoremap { {}<LEFT>
inoremap ) <C-R>=ClosePair(")")<CR>
inoremap ] <C-R>=ClosePair("]")<CR>
inoremap } <C-R>=ClosePair("}")<CR>
inoremap ' <C-R>=Qmark1()<CR>
inoremap " <C-R>=Qmark2()<CR>
inoremap <BS> <C-R>=RemovePairs()<CR>
inoremap <CR> <C-R>=EnterBrace()<CR>

function Qmark1()
	if getline(".")[col(".")-1] == "'"
		return "\<RIGHT>"
	else
		return "''\<LEFT>"
endfunction

function Qmark2()
	if getline(".")[col(".")-1] == "\""
		return "\<RIGHT>"
	else
		if getline(".")[col(".")] == "\$"
			return "\""
		else
			return "\"\"\<LEFT>"
endfunction

function ClosePair(char)
	if getline(".")[col(".")-1] == a:char
		return "\<RIGHT>"
	else
		return a:char
	endif
endfunction

function RemovePairs()
	let l:current_char = getline(".")[col(".")-1]
	let l:pervious_char = getline(".")[col(".")-2]
	if l:current_char == "'" && l:pervious_char == "'"
		return "\<DELETE>\<BS>"
	elseif l:current_char == "\"" && l:pervious_char == "\""
		return "\<DELETE>\<BS>"
	elseif l:current_char == ")" && l:pervious_char == "("
		return "\<DELETE>\<BS>"
	elseif l:current_char == "]" && l:pervious_char == "["
		return "\<DELETE>\<BS>"
	elseif l:current_char == "}" && l:pervious_char == "{"
		return "\<DELETE>\<BS>"
	else
		return "\<BS>"
	endif
endfunction

function EnterBrace()
	let l:current_char = getline(".")[col(".")-1]
	let l:pervious_char = getline(".")[col(".")-2]
	if l:current_char == "}" && l:pervious_char == "{"
		return "\<CR>\<ESC>ko"
	else
		return "\<CR>"
endfunction


"	增加空行
noremap <leader>o o<ESC>
noremap <leader>O O<ESC>


"	编译和运行
"	包含c、python
"	Shift+e	编译
"	Shift+r	运行
function RunProgram()
	if &filetype == "python"
		noremap R :!python3 %<CR>
	elseif &filetype == "c"
		noremap E :!gcc %<CR>
		noremap R :!./a.out<CR>
	endif
endfunction
autocmd BufRead,BufNewFile * call RunProgram()