syntax on

set fileencodings=utf-8,big5,ucs-bom,iso8859-1
set termencoding=utf-8
set encoding=utf-8
set shiftwidth=4
set tabstop=4
set expandtab
set nocompatible
set hlsearch
set autoindent
set nonumber
set tabpagemax=20
"set paste
"set mouse=a
set tags=./tags,./TAGS,tags,TAGS,~/.tags

" status bar
set laststatus=2
set statusline=%4*%<\ %1*[%F]
set statusline+=%4*\ %5*[%{&fileencoding}, " encoding
set statusline+=%{&fileformat}]%m " file format
set statusline+=%4*%=\ %6*%y%4*\ %3*%l%4*,\ %3*%c%4*\ \<\ %2*%P%4*\ \>
highlight User1 ctermfg=red
highlight User2 term=underline cterm=underline ctermfg=green
highlight User3 term=underline cterm=underline ctermfg=yellow
highlight User4 term=underline cterm=underline ctermfg=white
highlight User5 ctermfg=cyan
highlight User6 ctermfg=white

" taglist plugin
nnoremap <silent> <F2> :TlistToggle<CR>

" changelog hotkey '\' 'o'
if $USER == "sylee"
    let changelog_username = "Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>"
endif

nmap <F3> :set list!<BAR>set list?<CR>
nmap <F4> :set nu!<BAR>set nu?<CR>
nmap <F5> :set wrap!<BAR>set nowrap?<CR>
nmap <F6> :set hls!<BAR>set hls?<CR>
nmap <F7> :set paste!<BAR>set paste?<CR>

nmap <F8> :marks<CR>
nmap <F9> :registers<CR>
nmap <F10> :map<CR>

" tab view switch
nmap <C-Right> :tabnext<CR>
nmap <C-Left>  :tabprevious<CR>

" Yahoo dictionary
nmap <C-Y> viwy:!ydict <C-R>"<CR>

" devhelp
nmap <C-K> viwy:!devhelp -s <C-R>"<CR>

" expandtab switch
nmap <C-J> :set expandtab!<BAR>set expandtab?<CR>

" ctags plugin
nmap g+ viwy:tab ts <C-R>"<CR>
nmap g- viwy:pts <C-R>"<CR>
nmap g= viwy:sts <C-R>"<CR>
nmap g<Bar> viwy:vsplit<CR>:ts <C-R>"<CR>

" vimgrep for keyword
nmap g* :exec 'vimgrep /\<'.expand('<cword>').'\>/g **/*.[ch] **/*.[ch]pp **/*.java **/*.p[ly] **/*.rb **/*.vala'<CR>

" cursor highlight
set cursorline
highlight CursorLine cterm=NONE ctermbg=Black
autocmd InsertEnter * set nocursorline
autocmd InsertLeave * set cursorline
nmap <S-F11> :set cursorline!<BAR>set nocursorline?<CR>
nmap <S-F12> :set cursorcolumn!<BAR>set nocursorcolumn?<CR>

"" global plugin
" search for definition
nmap <C-F5> :GtagsCursor<CR>
" search for reference
nmap <C-F6> viwy:Gtags -r <C-R>"<CR>
nmap <C-F7> :Gozilla<CR>
nmap <C-F8> :!gtags<CR>

" ctags plugin
nmap <C-F9> :!ctags -R --c++-kinds=+p --fields=+iaS --extra=+q .<CR>

" transfer html unicode
nmap <C-F10> :%s/&#\([0-9]\+\);/\=nr2char(submatch(1))/g<CR>

" quickfix
nmap <C-n> :cn<CR>
nmap <C-p> :cp<CR>

hi FoldColumn term=standout cterm=bold ctermfg=darkgreen  ctermbg=black
hi Folded     term=standout cterm=bold ctermfg=darkyellow ctermbg=black
hi Search     term=standout cterm=bold ctermfg=yellow     ctermbg=black

ia pk fprintf(stderr, " (\033[01;32mTRACE\033[00m) \033[01;35m%s +%d %s \033[00m\n", __FILE__, __LINE__, __FUNCTION__);

" Session:
function! AutoLoadSession()
	let g:sessionfile = getcwd() . "/Session.vim"
	if (argc() == 0 && filereadable(g:sessionfile))
		echohl WarningMsg
		echo "Session file exists. Load this? (y/n): "
		echohl None
		while 1
			let c = getchar()
			if c == char2nr("y")
				source Session.vim
				return
			elseif c == char2nr("n")
				return
			endif
		endwhile
	endif
endfunction

function! AutoSaveSession()
	if exists(g:sessionfile)
		execute "mks! " . g:sessionfile
	endif
endfunction

augroup AutoLoadSettion
	autocmd!
	autocmd VimEnter * call AutoLoadSession()
	autocmd VimLeave * call AutoSaveSession()
augroup END

function GetPerlFold()
	if getline(v:lnum) =~ '^\v(sub|template|\=\w+)\s\S+'
		return '>1'
	elseif getline(v:lnum) =~ '^\v(\};?|\=cut)\s*$'
		return '<1'
	elseif getline(v:lnum) =~ '^\s*#.*{{{'
		return 'a1'
	elseif getline(v:lnum) =~ '^\s*#.*}}}'
		return 's1'
	else
		return "="
	endif
endfunction

function s:indent_folding()
    setlocal foldmethod=indent foldcolumn=4 foldnestmax=3 foldlevel=3
endfunction

function s:syntax_folding()
    setlocal foldmethod=syntax foldcolumn=4 foldnestmax=3 foldlevel=3
endfunction

function FoldText()
	let line = getline(v:foldstart)
	let cms = &commentstring

	let cms = substitute( cms , '%s' , '|' , 'g' )
	let cms = substitute( cms , '[*<!>]' , '\\\0' , 'g' )
	let cms = '\v(' . cms
	if cms =~ '|$'
	else
		let cms .= '|'
	endif
	let cms .= '\{\{\{\d=)'

	" strip commentstring
	if line =~ cms
		let sub = substitute( line,  cms , '', 'g')
		" strip prefix
	elseif line =~ '^\v(sub|template)\s'
		let sub = substitute( line, '^\v(sub|template)\s''?(\w+)''?.*','\1: \2','')
	elseif line =~ '^\v\=(\w+)\s'
		let sub = substitute( line, '^\v\=(\w+)\s(\w+)','pod: (\1) \2','')
	else
		let sub = line
	endif

	" strip space
	let sub = substitute( sub,  '^\s*' , '', 'g')
	let sub = substitute( sub,  '\s*$' , '', 'g')

	" count line
	let num = v:foldend - v:foldstart

	" make format line
	let fline = printf( "|%3d|- %s " , v:foldend - v:foldstart ,sub )

	"return fold
	return  v:folddashes . v:folddashes . v:folddashes . fline
endfunction

function s:java_custom()
    setlocal tabstop=8 expandtab shiftwidth=4 textwidth=80
    call s:syntax_folding()
endfunction

function s:perl_custom()
    setlocal foldmethod=expr foldcolumn=2 foldlevel=1
    setlocal foldexpr=GetPerlFold()
    setlocal foldtext=FoldText()
    "let perl_fold=1
    "let perl_fold_blocks=1
    function! s:man(keyword)
        execute '!perldoc ' . a:keyword
    endfunction
    command! -nargs=1 Man call s:man(<f-args>)
    noremap K :!perldoc <cword> <bar><bar> perldoc -f <cword><cr>
endfunction

function s:python_custom()
    setlocal tabstop=4 expandtab shiftwidth=4
    call s:indent_folding()
    function! s:man(keyword)
        execute '!pydoc ' . a:keyword
    endfunction
    command! -nargs=1 Man call s:man(<f-args>)
    cnoremap K :!pydoc <cword><CR>
endfunction

if has("autocmd")
    " Strip tailing white space
    autocmd FileType c,cpp,java,php,perl,python,ruby,sh,automake autocmd BufWritePre <buffer> :call setline(1,map(getline(1,"$"),'substitute(v:val,"\\s\\+$","","")'))
    autocmd FileType automake set expandtab
    autocmd FileType c,cpp      call s:syntax_folding()
    autocmd FileType java       call s:java_custom()
    autocmd FileType perl       call s:perl_custom()
    autocmd FileType python     call s:python_custom()
    autocmd FileType sh,vim,xml call s:indent_folding()
    "autocmd BufNewFile *.c 0read ~/Ubuntu\ One/sylee/Skel/c.c
    "autocmd BufNewFile *.cc 0read ~/Ubuntu\ One/sylee/Skel/cpp.cc
    "autocmd BufNewFile *.py 0read ~/Ubuntu\ One/sylee/Skel/python.py
    "autocmd BufNewFile *.pl 0read ~/Ubuntu\ One/sylee/Skel/perl.pl
    "autocmd BufNewFile *.cpp 0read ~/Ubuntu\ One/sylee/Skel/cpp.cc

    au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
    filetype plugin indent on

    " Vala Support
    autocmd BufRead *.vala set efm=%f:%l.%c-%[%^:]%#:\ %t%[%^:]%#:\ %m
    autocmd BufRead *.vapi set efm=%f:%l.%c-%[%^:]%#:\ %t%[%^:]%#:\ %m
    autocmd BufRead,BufNewFile *.vala setfiletype vala
    autocmd BufRead,BufNewFile *.vapi setfiletype vala
endif