let l:window_type = 'vertical'
endif
- try
- silent lvimgrep /\(^\S.*\(\n[=-]\+\n\)\@=\|^#\+\)/ %
- catch /E480/
+
+ let l:bufnr = bufnr('%')
+ let l:cursor_line = line('.')
+ let l:cursor_header = 0
+ let l:fenced_block = 0
+ let l:front_matter = 0
+ let l:header_list = []
+ let l:header_max_len = 0
+ let l:vim_markdown_toc_autofit = get(g:, "vim_markdown_toc_autofit", 0)
+ let l:vim_markdown_frontmatter = get(g:, "vim_markdown_frontmatter", 0)
+ for i in range(1, line('$'))
+ let l:lineraw = getline(i)
+ let l:l1 = getline(i+1)
+ let l:line = substitute(l:lineraw, "#", "\\\#", "g")
+ if l:line =~ '````*' || l:line =~ '\~\~\~\~*'
+ if l:fenced_block == 0
+ let l:fenced_block = 1
+ elseif l:fenced_block == 1
+ let l:fenced_block = 0
+ endif
+ elseif l:vim_markdown_frontmatter == 1
+ if l:front_matter == 1
+ if l:line == '---'
+ let l:front_matter = 0
+ endif
+ elseif i == 1
+ if l:line == '---'
+ let l:front_matter = 1
+ endif
+ endif
+ endif
+ if l:line =~ '^#\+' || (l:l1 =~ '^=\+\s*$' || l:l1 =~ '^-\+\s*$') && l:line =~ '^\S'
+ let l:is_header = 1
+ else
+ let l:is_header = 0
+ endif
+ if l:is_header == 1 && l:fenced_block == 0 && l:front_matter == 0
+ " append line to location list
+ let l:item = {'lnum': i, 'text': l:line, 'valid': 1, 'bufnr': l:bufnr, 'col': 1}
+ let l:header_list = l:header_list + [l:item]
+ " set header number of the cursor position
+ if l:cursor_header == 0
+ if i == l:cursor_line
+ let l:cursor_header = len(l:header_list)
+ elseif i > l:cursor_line
+ let l:cursor_header = len(l:header_list) - 1
+ endif
+ endif
+ " keep track of the longest header size (heading level + title)
+ let l:total_len = stridx(l:line, ' ') + len(l:line)
+ if l:total_len > l:header_max_len
+ let l:header_max_len = l:total_len
+ endif
+ endif
+ endfor
+ if len(l:header_list) == 0
echom "Toc: No headers."
return
- endtry
+ endif
+ call setloclist(0, l:header_list)
if l:window_type ==# 'horizontal'
lopen
elseif l:window_type ==# 'vertical'
vertical lopen
- let &winwidth=(&columns/2)
+ " auto-fit toc window when possible to shrink it
+ if (&columns/2) > l:header_max_len && l:vim_markdown_toc_autofit == 1
+ execute 'vertical resize ' . (l:header_max_len + 1)
+ else
+ execute 'vertical resize ' . (&columns/2)
+ endif
elseif l:window_type ==# 'tab'
tab lopen
else
endfor
setlocal nomodified
setlocal nomodifiable
- normal! gg
+ execute 'normal! ' . l:cursor_header . 'G'
endfunction
" Convert Setex headers in range `line1 .. line2` to Atx.
command! -buffer Toct call s:Toc('tab')
" Heavily based on vim-notes - http://peterodding.com/code/vim/notes/
-function! s:Markdown_highlight_sources(force)
+let s:filetype_dict = {
+ \ 'c++': 'cpp',
+ \ 'viml': 'vim',
+ \ 'bash': 'sh',
+ \ 'ini': 'dosini'
+\ }
+
+function! s:MarkdownHighlightSources(force)
" Syntax highlight source code embedded in notes.
" Look for code blocks in the current file
let filetypes = {}
for line in getline(1, '$')
- let ft = matchstr(line, '```\zs\w*\>')
+ let ft = matchstr(line, '```\zs[0-9A-Za-z_+-]*')
if !empty(ft) && ft !~ '^\d*$' | let filetypes[ft] = 1 | endif
endfor
if !exists('b:mkd_known_filetypes')
let b:mkd_known_filetypes = {}
endif
+ if !exists('b:mkd_included_filetypes')
+ " set syntax file name included
+ let b:mkd_included_filetypes = {}
+ endif
if !a:force && (b:mkd_known_filetypes == filetypes || empty(filetypes))
return
endif
let endgroup = 'mkdCodeEnd'
for ft in keys(filetypes)
if a:force || !has_key(b:mkd_known_filetypes, ft)
-
- let group = 'mkdSnippet' . toupper(ft)
- let include = s:syntax_include(ft)
+ if has_key(s:filetype_dict, ft)
+ let filetype = s:filetype_dict[ft]
+ else
+ let filetype = ft
+ endif
+ let group = 'mkdSnippet' . toupper(substitute(filetype, "[+-]", "_", "g"))
+ if !has_key(b:mkd_included_filetypes, filetype)
+ let include = s:SyntaxInclude(filetype)
+ let b:mkd_included_filetypes[filetype] = 1
+ else
+ let include = '@' . toupper(filetype)
+ endif
let command = 'syntax region %s matchgroup=%s start="^\s*```%s$" matchgroup=%s end="\s*```$" keepend contains=%s%s'
execute printf(command, group, startgroup, ft, endgroup, include, has('conceal') ? ' concealends' : '')
execute printf('syntax cluster mkdNonListItem add=%s', group)
endfor
endfunction
-function! s:syntax_include(filetype)
+function! s:SyntaxInclude(filetype)
" Include the syntax highlighting of another {filetype}.
let grouplistname = '@' . toupper(a:filetype)
" Unset the name of the current syntax while including the other syntax
endfunction
-function! s:Markdown_refresh_syntax(force)
+function! s:MarkdownRefreshSyntax(force)
if &filetype == 'markdown' && line('$') > 1
- call s:Markdown_highlight_sources(a:force)
+ call s:MarkdownHighlightSources(a:force)
endif
endfunction
augroup Mkd
autocmd!
- au BufWinEnter * call s:Markdown_refresh_syntax(1)
- au BufWritePost * call s:Markdown_refresh_syntax(0)
- au InsertEnter,InsertLeave * call s:Markdown_refresh_syntax(0)
- au CursorHold,CursorHoldI * call s:Markdown_refresh_syntax(0)
+ au BufWinEnter * call s:MarkdownRefreshSyntax(1)
+ au BufWritePost * call s:MarkdownRefreshSyntax(0)
+ au InsertEnter,InsertLeave * call s:MarkdownRefreshSyntax(0)
+ au CursorHold,CursorHoldI * call s:MarkdownRefreshSyntax(0)
augroup END