endtagcomment.vim

" こういうHTMLがあったときに
" <div id="hoge" class="fuga">
" ...
" </div>
"
" 実行するとこうなる
" <div id="hoge" class="fuga">
" ...
" <!-- /div#hoge.fuga --></div>

function! Endtagcomment()
    let reg_save = @@

    try
        silent normal vaty
    catch
        execute "normal \<Esc>"
        echohl ErrorMsg
        echo 'no match html tags'
        echohl None
        return
    endtry

    let html = @@

    let start_tag = matchstr(html, '\v(\<.{-}\>)')
    let tag_name  = matchstr(start_tag, '\v([a-zA-Z]+)')

    let id = ''
    let id_match = matchlist(start_tag, '\vid\=["'']([^"'']+)["'']')
    if exists('id_match[1]')
        let id = '#' . id_match[1]
    endif

    let class = ''
    let class_match = matchlist(start_tag, '\vclass\=["'']([^"'']+)["'']')
    if exists('class_match[1]')
        let class = '.' . join(split(class_match[1], '\v\s+'), '.')
    endif

    execute "normal `>va<\<Esc>`<"

    let comment = g:endtagcommentFormat
    let comment = substitute(comment, '%tag_name', tag_name, 'g')
    let comment = substitute(comment, '%id', id, 'g')
    let comment = substitute(comment, '%class', class, 'g')
    let @@ = comment

    normal ""P

    let @@ = reg_save
endfunction

let g:endtagcommentFormat = '<!-- /%tag_name%id%class -->'
nnoremap ,t :<C-u>call Endtagcomment()<CR>