+
+" Heavily based on vim-notes - http://peterodding.com/code/vim/notes/
+if exists('g:vim_markdown_fenced_languages')
+ let s:filetype_dict = {}
+ for s:filetype in g:vim_markdown_fenced_languages
+ let key = matchstr(s:filetype, "[^=]*")
+ let val = matchstr(s:filetype, "[^=]*$")
+ let s:filetype_dict[key] = val
+ endfor
+else
+ let s:filetype_dict = {
+ \ 'c++': 'cpp',
+ \ 'viml': 'vim',
+ \ 'bash': 'sh',
+ \ 'ini': 'dosini'
+ \ }
+endif
+
+function! s:MarkdownHighlightSources(force)
+ " Syntax highlight source code embedded in notes.
+ " Look for code blocks in the current file
+ let filetypes = {}
+ for line in getline(1, '$')
+ let ft = matchstr(line, '```\s*\zs[0-9A-Za-z_+-]*')
+ if !empty(ft) && ft !~ '^\d*$' | let filetypes[ft] = 1 | endif
+ endfor
+ if !exists('b:mkd_known_filetypes')
+ let b:mkd_known_filetypes = {}
+ endif
+ if !exists('b:mkd_included_filetypes')
+ " set syntax file name included
+ let b:mkd_included_filetypes = {}
+ endif
+ if !a:force && (b:mkd_known_filetypes == filetypes || empty(filetypes))
+ return
+ endif
+
+ " Now we're ready to actually highlight the code blocks.
+ let startgroup = 'mkdCodeStart'
+ let endgroup = 'mkdCodeEnd'
+ for ft in keys(filetypes)
+ if a:force || !has_key(b:mkd_known_filetypes, ft)
+ if has_key(s:filetype_dict, ft)
+ let filetype = s:filetype_dict[ft]
+ else
+ let filetype = ft
+ endif
+ let group = 'mkdSnippet' . toupper(substitute(filetype, "[+-]", "_", "g"))
+ if !has_key(b:mkd_included_filetypes, filetype)
+ let include = s:SyntaxInclude(filetype)
+ let b:mkd_included_filetypes[filetype] = 1
+ else
+ let include = '@' . toupper(filetype)
+ endif
+ let command = 'syntax region %s matchgroup=%s start="^\s*```\s*%s$" matchgroup=%s end="\s*```$" keepend contains=%s%s'
+ execute printf(command, group, startgroup, ft, endgroup, include, has('conceal') && get(g:, 'vim_markdown_conceal', 1) ? ' concealends' : '')
+ execute printf('syntax cluster mkdNonListItem add=%s', group)
+
+ let b:mkd_known_filetypes[ft] = 1
+ endif
+ endfor
+endfunction
+
+function! s:SyntaxInclude(filetype)
+ " Include the syntax highlighting of another {filetype}.
+ let grouplistname = '@' . toupper(a:filetype)
+ " Unset the name of the current syntax while including the other syntax
+ " because some syntax scripts do nothing when "b:current_syntax" is set
+ if exists('b:current_syntax')
+ let syntax_save = b:current_syntax
+ unlet b:current_syntax
+ endif
+ try
+ execute 'syntax include' grouplistname 'syntax/' . a:filetype . '.vim'
+ execute 'syntax include' grouplistname 'after/syntax/' . a:filetype . '.vim'
+ catch /E484/
+ " Ignore missing scripts
+ endtry
+ " Restore the name of the current syntax
+ if exists('syntax_save')
+ let b:current_syntax = syntax_save
+ elseif exists('b:current_syntax')
+ unlet b:current_syntax
+ endif
+ return grouplistname
+endfunction
+
+
+function! s:MarkdownRefreshSyntax(force)
+ if &filetype == 'markdown' && line('$') > 1
+ call s:MarkdownHighlightSources(a:force)
+ endif
+endfunction
+
+function! s:MarkdownClearSyntaxVariables()
+ if &filetype == 'markdown'
+ unlet! b:mkd_included_filetypes
+ endif
+endfunction
+
+augroup Mkd
+ autocmd! * <buffer>
+ autocmd BufWinEnter <buffer> call s:MarkdownRefreshSyntax(1)
+ autocmd BufUnload <buffer> call s:MarkdownClearSyntaxVariables()
+ autocmd BufWritePost <buffer> call s:MarkdownRefreshSyntax(0)
+ autocmd InsertEnter,InsertLeave <buffer> call s:MarkdownRefreshSyntax(0)
+ autocmd CursorHold,CursorHoldI <buffer> call s:MarkdownRefreshSyntax(0)
+augroup END
projects / etc / vim.git / blobdiff