endif
- let b:bufnr = bufnr('%')
- let b:fenced_block = 0
- let b:header_list = []
+ let l:bufnr = bufnr('%')
+ let l:fenced_block = 0
+ let l:front_matter = 0
+ let l:header_list = []
let l:header_max_len = 0
+ let g: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('$'))
let l:lineraw = getline(i)
+ let l:l1 = getline(i+1)
let l:line = substitute(l:lineraw, "#", "\\\#", "g")
if l:line =~ '````*' || l:line =~ '\~\~\~\~*'
- if b:fenced_block == 0
- let b:fenced_block = 1
- elseif b:fenced_block == 1
- let b:fenced_block = 0
+ if l:fenced_block == 0
+ let l:fenced_block = 1
+ elseif l:fenced_block == 1
+ let l:fenced_block = 0
endif
+ elseif l:vim_markdown_frontmatter == 1
+ if l:front_matter == 1
+ if l:line == '---'
+ let l:front_matter = 0
+ endif
+ elseif i == 1
+ if l:line == '---'
+ let l:front_matter = 1
+ endif
+ endif
+ endif
+ if l:line =~ '^#\+' || (l:l1 =~ '^=\+\s*$' || l:l1 =~ '^-\+\s*$') && l:line =~ '^\S'
+ let l:is_header = 1
+ else
+ let l:is_header = 0
endif
- if l:line =~ '^#\+' && b:fenced_block == 0
+ if l:is_header == 1 && l:fenced_block == 0 && l:front_matter == 0
" append line to location list
- let b:item = {'lnum': i, 'text': l:line, 'valid': 1, 'bufnr': b:bufnr, 'col': 1}
- let b:header_list = b:header_list + [b:item]
+ let l:item = {'lnum': i, 'text': l:line, 'valid': 1, 'bufnr': l:bufnr, 'col': 1}
+ let l:header_list = l:header_list + [l:item]
+ " keep track of the longest header size (heading level + title)
+ let l:total_len = stridx(l:line, ' ') + len(l:line)
+ if l:total_len > l:header_max_len
+ let l:header_max_len = l:total_len
+ endif
endif
endfor
- if len(b:header_list) == 0
+ if len(l:header_list) == 0
echom "Toc: No headers."
return
endif
- call setloclist(0, b:header_list)
+ call setloclist(0, l:header_list)
if l:window_type ==# 'horizontal'
lopen
elseif l:window_type ==# 'vertical'
vertical lopen
- let &winwidth=(&columns/2)
+ " auto-fit toc window when possible to shrink it
+ if (&columns/2) > l:header_max_len && g:vim_markdown_toc_autofit == 1
+ execute 'vertical resize ' . (l:header_max_len + 1)
+ else
+ execute 'vertical resize ' . (&columns/2)
+ endif
elseif l:window_type ==# 'tab'
tab lopen
else
let d.text = substitute(d.text, '\v[ ]*#*$', '', '')
" setex headers
else
- let l:next_line = getbufline(bufname(d.bufnr), d.lnum+1)
+ let l:next_line = getbufline(d.bufnr, d.lnum+1)
if match(l:next_line, "=") > -1
let l:level = 0
elseif match(l:next_line, "-") > -1
command! -buffer Toch call s:Toc('horizontal')
command! -buffer Tocv call s:Toc('vertical')
command! -buffer Toct call s:Toc('tab')
+
+" Heavily based on vim-notes - http://peterodding.com/code/vim/notes/
+let s:filetype_dict = {
+ \ 'c++': 'cpp',
+ \ 'viml': 'vim'
+\ }
+
+function! s:Markdown_highlight_sources(force)
+ " Syntax highlight source code embedded in notes.
+ " Look for code blocks in the current file
+ let filetypes = {}
+ for line in getline(1, '$')
+ let ft = matchstr(line, '```\zs[0-9A-Za-z_+-]*')
+ if !empty(ft) && ft !~ '^\d*$' | let filetypes[ft] = 1 | endif
+ endfor
+ if !exists('b:mkd_known_filetypes')
+ let b:mkd_known_filetypes = {}
+ endif
+ if !a:force && (b:mkd_known_filetypes == filetypes || empty(filetypes))
+ return
+ endif
+
+ " Now we're ready to actually highlight the code blocks.
+ let startgroup = 'mkdCodeStart'
+ let endgroup = 'mkdCodeEnd'
+ for ft in keys(filetypes)
+ if a:force || !has_key(b:mkd_known_filetypes, 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"))
+ let include = s:syntax_include(filetype)
+ 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)
+
+ let b:mkd_known_filetypes[ft] = 1
+ endif
+ endfor
+endfunction
+
+function! s:syntax_include(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
+ " because some syntax scripts do nothing when "b:current_syntax" is set
+ if exists('b:current_syntax')
+ let syntax_save = b:current_syntax
+ unlet b:current_syntax
+ endif
+ try
+ execute 'syntax include' grouplistname 'syntax/' . a:filetype . '.vim'
+ execute 'syntax include' grouplistname 'after/syntax/' . a:filetype . '.vim'
+ catch /E484/
+ " Ignore missing scripts
+ endtry
+ " Restore the name of the current syntax
+ if exists('syntax_save')
+ let b:current_syntax = syntax_save
+ elseif exists('b:current_syntax')
+ unlet b:current_syntax
+ endif
+ return grouplistname
+endfunction
+
+
+function! s:Markdown_refresh_syntax(force)
+ if &filetype == 'markdown' && line('$') > 1
+ call s:Markdown_highlight_sources(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)
+augroup END
projects / etc / vim.git / blobdiff