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Add text objects for Markdown fenced code blocks.

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jdhao 2020-11-12 21:56:44 +08:00
parent f68fa62e86
commit 92bf71ac77
2 changed files with 30 additions and 0 deletions
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6
after/ftplugin/markdown.vim
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@ -6,3 +6,9 @@ if exists(':FootnoteNumber')
nnoremap <buffer> <Plug>AddVimFootnote :<C-U>call markdownfootnotes#VimFootnotes('i')<CR>
inoremap <buffer> <Plug>AddVimFootnote <C-O>:<C-U>call markdownfootnotes#VimFootnotes('i')<CR>
endif
" Text objects for Markdown code blocks.
xnoremap <buffer><silent> ic :<C-U>call text_obj#MdCodeBlock('i')<CR>
xnoremap <buffer><silent> ac :<C-U>call text_obj#MdCodeBlock('a')<CR>
onoremap <buffer><silent> ic :<C-U>call text_obj#MdCodeBlock('i')<CR>
onoremap <buffer><silent> ac :<C-U>call text_obj#MdCodeBlock('a')<CR>

24
autoload/text_obj.vim
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@ -52,3 +52,27 @@ function! text_obj#URL() abort
call setpos("'>", [buf_num, cur_row, end_col, 0])
normal! gv
endfunction
function! text_obj#MdCodeBlock(type) abort
" the parameter type specify whether it is inner text objects or arround
" text objects.
" Move the cursor to the end of line in case that cursor is on the openning
" of a code block. Actually, there are still issues if the cursor is on the
" closing of a code block. In this case, the start row of code blocks would
" be wrong. Unless we can match code blocks, it not easy to fix this.
normal! $
let start_row = searchpos('\s*```', 'bnW')[0]
let end_row = searchpos('\s*```', 'nW')[0]
let buf_num = bufnr()
if a:type ==# 'i'
let start_row += 1
let end_row -= 1
endif
" echo a:type start_row end_row
call setpos("'<", [buf_num, start_row, 1, 0])
call setpos("'>", [buf_num, end_row, 1, 0])
execute 'normal! `<V`>'
endfunction