X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/ffba73263b1fb5291390bb9b2bf313552147f922..71e5a946fd616a7526a3192db98ddb4484b1926a:/syntax/markdown.vim?ds=sidebyside

diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index 0e147a3..8c3d75c 100644
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -34,32 +34,56 @@ syn spell toplevel
 syn case ignore
 syn sync linebreaks=1
 
+let s:conceal = ''
+let s:concealends = ''
+if has('conceal')
+  let s:conceal = ' conceal'
+  let s:concealends = ' concealends'
+endif
+
 "additions to HTML groups
-syn region htmlItalic start="\\\@<!\*\S\@=" end="\S\@<=\\\@<!\*" keepend oneline
-syn region htmlItalic start="\(^\|\s\)\@<=_\|\\\@<!_\([^_]\+\s\)\@=" end="\S\@<=[^\\]_\|[^\\]_\S\@=" keepend oneline
-syn region htmlBold start="\S\@<=\*\*\|\*\*\S\@=" end="\S\@<=\*\*\|\*\*\S\@=" keepend oneline
-syn region htmlBold start="\S\@<=__\|__\S\@=" end="\S\@<=__\|__\S\@=" keepend oneline
-syn region htmlBoldItalic start="\S\@<=\*\*\*\|\*\*\*\S\@=" end="\S\@<=\*\*\*\|\*\*\*\S\@=" keepend oneline
-syn region htmlBoldItalic start="\S\@<=___\|___\S\@=" end="\S\@<=___\|___\S\@=" keepend oneline
+"syn region htmlItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]" end="[^\\\*\t ]\zs\*\ze\_W" keepend
+"syn region htmlItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend
+"syn region htmlBold start="\*\*\ze\S" end="\S\zs\*\*" keepend
+"syn region htmlBold start="__\ze\S" end="\S\zs__" keepend
+"syn region htmlBoldItalic start="\*\*\*\ze\S" end="\S\zs\*\*\*" keepend
+"syn region htmlBoldItalic start="___\ze\S" end="\S\zs___" keepend
+
+" emphasis stops at newline (in case a closing token is not found before)
+"if get(g:, "vim_markdown_emphasis_stops_at_newline", 1)
+"    let esanl_pre = '\(\n\|'
+"    let esanl_suf = '\)'
+"else
+"    let esanl_pre = ''
+"    let esanl_suf = ''
+"endif
+"execute 'syn region htmlItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]" end="[^\\\*\t ]\zs' . esanl_pre . '\*' . esanl_suf . '\ze\_W" keepend'
+"execute 'syn region htmlItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs' . esanl_pre . '_' . esanl_suf . '\ze\_W" keepend'
+"execute 'syn region htmlBold start="\*\*\ze\S" end="\S\zs' . esanl_pre . '\*\*' . esanl_suf . '" keepend'
+"execute 'syn region htmlBold start="__\ze\S" end="\S\zs__" keepend
+"execute 'syn region htmlBoldItalic start="\*\*\*\ze\S" end="\S\zs\*\*\*" keepend
+"execute 'syn region htmlBoldItalic start="___\ze\S" end="\S\zs___" keepend
+
+" single-line emphasis (emphasis only works with matching token in the same line)
+syn region htmlItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]\([^\n]*[^\\\*\t ]\)\?\*" end="[^\\\*\t ]\zs\*\ze\_W" keepend
+
 
 " [link](URL) | [link][id] | [link][] | ![image](URL)
 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^"    end="\]"
-syn region mkdID matchgroup=mkdDelimiter        start="\["    end="\]" contained oneline
-syn region mkdURL matchgroup=mkdDelimiter       start="("     end=")"  contained oneline
-syn region mkdLink matchgroup=mkdDelimiter      start="\\\@<!!\?\[" end="\]\ze\s*[[(]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite oneline
+execute 'syn region mkdID matchgroup=mkdDelimiter    start="\["    end="\]" contained oneline' . s:conceal
+execute 'syn region mkdURL matchgroup=mkdDelimiter   start="("     end=")"  contained oneline' . s:conceal
+execute 'syn region mkdLink matchgroup=mkdDelimiter  start="\\\@<!!\?\[" end="\n\{-,1}[^]]\{-}\zs\]\ze[[(]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite oneline' . s:concealends
 
 " Autolink without angle brackets.
 " mkd  inline links:           protocol   optional  user:pass@       sub/domain                 .com, .co.uk, etc      optional port   path/querystring/hash fragment
 "                            ------------ _____________________ --------------------------- ________________________ ----------------- __
 syntax match   mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
 
-let s:protocols = 'coap\|doi\|javascript\|aaa\|aaas\|about\|acap\|cap\|cid\|crid\|data\|dav\|dict\|dns\|file\|ftp\|geo\|go\|gopher\|h323\|http\|https\|iax\|icap\|im\|imap\|info\|ipp\|iris\|iris.beep\|iris.xpc\|iris.xpcs\|iris.lwz\|ldap\|mailto\|mid\|msrp\|msrps\|mtqp\|mupdate\|news\|nfs\|ni\|nih\|nntp\|opaquelocktoken\|pop\|pres\|rtsp\|service\|session\|shttp\|sieve\|sip\|sips\|sms\|snmp,soap.beep\|soap.beeps\|tag\|tel\|telnet\|tftp\|thismessage\|tn3270\|tip\|tv\|urn\|vemmi\|ws\|wss\|xcon\|xcon-userid\|xmlrpc.beep\|xmlrpc.beeps\|xmpp\|z39.50r\|z39.50s\|adiumxtra\|afp\|afs\|aim\|apt,attachment\|aw\|beshare\|bitcoin\|bolo\|callto\|chrome,chrome-extension\|com-eventbrite-attendee\|content\|cvs,dlna-playsingle\|dlna-playcontainer\|dtn\|dvb\|ed2k\|facetime\|feed\|finger\|fish\|gg\|git\|gizmoproject\|gtalk\|hcp\|icon\|ipn\|irc\|irc6\|ircs\|itms\|jar\|jms\|keyparc\|lastfm\|ldaps\|magnet\|maps\|market,message\|mms\|ms-help\|msnim\|mumble\|mvn\|notes\|oid\|palm\|paparazzi\|platform\|proxy\|psyc\|query\|res\|resource\|rmi\|rsync\|rtmp\|secondlife\|sftp\|sgn\|skype\|smb\|soldat\|spotify\|ssh\|steam\|svn\|teamspeak\|things\|udp\|unreal\|ut2004\|ventrilo\|view-source\|webcal\|wtai\|wyciwyg\|xfire\|xri\|ymsgr'
-
 " Autolink with parenthesis.
-execute 'syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!(\(\(' . s:protocols . '\):\/\/[^) ]*)\)\@=" end=")"'
+syntax region  mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*)\)\@=" end=")"
 
 " Autolink with angle brackets.
-execute 'syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\(\(' . s:protocols . '\):\/\/[^> ]*>\)\@=" end=">"'
+syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
 
 " Link definitions: [id]: URL (Optional Title)
 syn region mkdLinkDef matchgroup=mkdDelimiter   start="^ \{,3}\zs\[" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
@@ -68,42 +92,64 @@ syn region mkdLinkTitle matchgroup=mkdDelimiter start=+"+     end=+"+  contained
 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+'+     end=+'+  contained
 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+(+     end=+)+  contained
 
+"HTML headings
+syn region htmlH1       start="^\s*#"                   end="$" contains=@Spell
+syn region htmlH2       start="^\s*##"                  end="$" contains=@Spell
+syn region htmlH3       start="^\s*###"                 end="$" contains=@Spell
+syn region htmlH4       start="^\s*####"                end="$" contains=@Spell
+syn region htmlH5       start="^\s*#####"               end="$" contains=@Spell
+syn region htmlH6       start="^\s*######"              end="$" contains=@Spell
+syn match  htmlH1       /^.\+\n=\+$/ contains=@Spell
+syn match  htmlH2       /^.\+\n-\+$/ contains=@Spell
+
 "define Markdown groups
-syn match  mkdLineContinue ".$" contained
 syn match  mkdLineBreak    /  \+$/
-syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLineBreak,mkdLineContinue,@Spell
+syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLineBreak,@Spell
 syn region mkdCode         start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
 syn region mkdCode         start=/\s*``[^`]*/              end=/[^`]*``\s*/
-syn region mkdCode         start=/^\s*```\s*[0-9A-Za-z_+-]*\s*$/          end=/^\s*```\s*$/
-syn region mkdCode         start=/\s*\~\~[^\~]*/              end=/[^\~]*\~\~\s*/
-syn region mkdCode         start=/^\s*\~\~\~\s*[0-9A-Za-z_+-]*\s*$/          end=/^\s*\~\~\~\s*$/
-syn region mkdCode         start="<pre[^>]*>"              end="</pre>"
-syn region mkdCode         start="<code[^>]*>"             end="</code>"
+syn region mkdCode         start=/^\s*\z(`\{3,}\)[^`]*$/   end=/^\s*\z1`*\s*$/
+syn region mkdCode         start=/\s*\~\~[^\~]*/           end=/[^\~]*\~\~\s*/
+syn region mkdCode         start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/         end=/^\s*\z1\~*\s*$/
+syn region mkdCode         start="<pre[^>]*\\\@<!>"        end="</pre>"
+syn region mkdCode         start="<code[^>]*\\\@<!>"       end="</code>"
 syn region mkdFootnote     start="\[^"                     end="\]"
 syn match  mkdCode         /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
-syn match  mkdIndentCode   /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
-syn region mkdListItemLine matchgroup=mkdListItem start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" contains=@mkdNonListItem,@Spell
-syn region mkdNonListItemBlock start="\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
+syn match  mkdCode         /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
+syn match  mkdCode         /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
+syn match  mkdListItem     /^\s*\%([-*+]\|\d\+\.\)\s\+/ contained
+syn region mkdListItemLine start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" oneline contains=@mkdNonListItem,mkdListItem,@Spell
+syn region mkdNonListItemBlock start="\(\%^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@!\|\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!\)" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
 syn match  mkdRule         /^\s*\*\s\{0,1}\*\s\{0,1}\*$/
 syn match  mkdRule         /^\s*-\s\{0,1}-\s\{0,1}-$/
 syn match  mkdRule         /^\s*_\s\{0,1}_\s\{0,1}_$/
 syn match  mkdRule         /^\s*-\{3,}$/
 syn match  mkdRule         /^\s*\*\{3,5}$/
 
-"HTML headings
-syn region htmlH1       start="^\s*#"                   end="$" contains=@Spell
-syn region htmlH2       start="^\s*##"                  end="$" contains=@Spell
-syn region htmlH3       start="^\s*###"                 end="$" contains=@Spell
-syn region htmlH4       start="^\s*####"                end="$" contains=@Spell
-syn region htmlH5       start="^\s*#####"               end="$" contains=@Spell
-syn region htmlH6       start="^\s*######"              end="$" contains=@Spell
-syn match  htmlH1       /^.\+\n=\+$/ contains=@Spell
-syn match  htmlH2       /^.\+\n-\+$/ contains=@Spell
-
 " YAML frontmatter
 if get(g:, 'vim_markdown_frontmatter', 0)
   syn include @yamlTop syntax/yaml.vim
   syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop
+  unlet! b:current_syntax
+endif
+
+if get(g:, 'vim_markdown_toml_frontmatter', 0)
+  try
+    syn include @tomlTop syntax/toml.vim
+    syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$" transparent contains=@tomlTop
+    unlet! b:current_syntax
+  catch /E484/
+    syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$"
+  endtry
+endif
+
+if get(g:, 'vim_markdown_json_frontmatter', 0)
+  try
+    syn include @jsonTop syntax/json.vim
+    syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$" contains=@jsonTop
+    unlet! b:current_syntax
+  catch /E484/
+    syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$"
+  endtry
 endif
 
 if get(g:, 'vim_markdown_math', 0)
@@ -112,15 +158,15 @@ if get(g:, 'vim_markdown_math', 0)
   syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$\$" end="\$\$" contains=@tex
 endif
 
-syn cluster mkdNonListItem contains=htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdIndentCode,mkdListItem,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
+syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
 
 "highlighting for Markdown groups
 HtmlHiLink mkdString        String
 HtmlHiLink mkdCode          String
-HtmlHiLink mkdIndentCode    String
+HtmlHiLink mkdCodeStart     String
+HtmlHiLink mkdCodeEnd       String
 HtmlHiLink mkdFootnote      Comment
 HtmlHiLink mkdBlockquote    Comment
-HtmlHiLink mkdLineContinue  Comment
 HtmlHiLink mkdListItem      Identifier
 HtmlHiLink mkdRule          Identifier
 HtmlHiLink mkdLineBreak     Todo