X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/a5786589c3c49199828d63ea403238ca95531d0b..e04eb9dbd2a3f29f031680d5508ac846c0b12111:/ftplugin/markdown.vim diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim index 74bbc54..2f0c19f 100644 --- a/ftplugin/markdown.vim +++ b/ftplugin/markdown.vim @@ -302,18 +302,77 @@ function! s:Toc(...) 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 @@ -341,7 +400,7 @@ function! s:Toc(...) endfor setlocal nomodified setlocal nomodifiable - normal! gg + execute 'normal! ' . l:cursor_header . 'G' endfunction " Convert Setex headers in range `line1 .. line2` to Atx. @@ -555,17 +614,28 @@ 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/ -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*$' | let filetypes[ft] = 1 | endif endfor if !exists('b:mkd_known_filetypes') let b:mkd_known_filetypes = {} endif + if !exists('b:mkd_included_filetypes') + " set syntax file name included + let b:mkd_included_filetypes = {} + endif if !a:force && (b:mkd_known_filetypes == filetypes || empty(filetypes)) return endif @@ -575,9 +645,18 @@ function! s:Markdown_highlight_sources(force) let endgroup = 'mkdCodeEnd' for ft in keys(filetypes) if a:force || !has_key(b:mkd_known_filetypes, ft) - - let group = 'mkdSnippet' . toupper(ft) - let include = s:syntax_include(ft) + if has_key(s:filetype_dict, ft) + let filetype = s:filetype_dict[ft] + else + let filetype = ft + endif + let group = 'mkdSnippet' . toupper(substitute(filetype, "[+-]", "_", "g")) + if !has_key(b:mkd_included_filetypes, filetype) + let include = s:SyntaxInclude(filetype) + let b:mkd_included_filetypes[filetype] = 1 + else + let include = '@' . toupper(filetype) + endif let command = 'syntax region %s matchgroup=%s start="^\s*```%s$" matchgroup=%s end="\s*```$" keepend contains=%s%s' execute printf(command, group, startgroup, ft, endgroup, include, has('conceal') ? ' concealends' : '') execute printf('syntax cluster mkdNonListItem add=%s', group) @@ -587,7 +666,7 @@ function! s:Markdown_highlight_sources(force) endfor endfunction -function! s:syntax_include(filetype) +function! s:SyntaxInclude(filetype) " Include the syntax highlighting of another {filetype}. let grouplistname = '@' . toupper(a:filetype) " Unset the name of the current syntax while including the other syntax @@ -612,16 +691,16 @@ function! s:syntax_include(filetype) endfunction -function! s:Markdown_refresh_syntax(force) +function! s:MarkdownRefreshSyntax(force) if &filetype == 'markdown' && line('$') > 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