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3 " Maintainer: Ben Williams <benw@plasticboy.com>
4 " URL: http://plasticboy.com/markdown-vim-mode/
5 " Remark: Uses HTML syntax file
6 " TODO: Handle stuff contained within stuff (e.g. headings within blockquotes)
9 " Read the HTML syntax to start with
11 so <sfile>:p:h/html.vim
13 runtime! syntax/html.vim
15 if exists('b:current_syntax')
16 unlet b:current_syntax
22 elseif exists("b:current_syntax")
26 " don't use standard HiLink, it will not work with included syntax files
28 command! -nargs=+ HtmlHiLink hi link <args>
30 command! -nargs=+ HtmlHiLink hi def link <args>
38 let s:concealends = ''
40 let s:conceal = ' conceal'
41 let s:concealends = ' concealends'
44 "additions to HTML groups
45 if get(g:, "vim_markdown_emphasis_multiline", 1)
46 syn region htmlItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]" end="[^\\\*\t ]\zs\*\ze\_W" keepend
47 syn region htmlItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend
48 syn region htmlBold start="\*\*\ze\S" end="\S\zs\*\*" keepend
49 syn region htmlBold start="__\ze\S" end="\S\zs__" keepend
50 syn region htmlBoldItalic start="\*\*\*\ze\S" end="\S\zs\*\*\*" keepend
51 syn region htmlBoldItalic start="___\ze\S" end="\S\zs___" keepend
53 " single-line emphasis (emphasis only works with closing token on the same line)
54 syn region htmlItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]\([^\n]*[^\\\*\t ]\)\?\*" end="[^\\\*\t ]\zs\*\ze\_W" keepend
55 syn region htmlItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]\([^\n]*[^\\_\t ]\)\?_" end="[^\\_\t ]\zs_\ze\_W" keepend
56 syn region htmlBold start="\*\*\ze\S\([^\n]*[^\\\*\t ]\)\?\*\*" end="\S\zs\*\*" keepend
57 syn region htmlBold start="__\ze\S\([^\n]*[^\\_\t ]\)\?__" end="\S\zs__" keepend
58 syn region htmlBold start="\*\*\*\ze\S\([^\n]*[^\\\*\t ]\)\?\*\*\*" end="\S\zs\*\*\*" keepend
59 syn region htmlBold start="___\ze\S\([^\n]*[^\\_\t ]\)\?___" end="\S\zs___" keepend
62 " [link](URL) | [link][id] | [link][] | ![image](URL)
63 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^" end="\]"
64 execute 'syn region mkdID matchgroup=mkdDelimiter start="\[" end="\]" contained oneline' . s:conceal
65 execute 'syn region mkdURL matchgroup=mkdDelimiter start="(" end=")" contained oneline' . s:conceal
66 execute 'syn region mkdLink matchgroup=mkdDelimiter start="\\\@<!!\?\[" end="\n\{-,1}[^]]\{-}\zs\]\ze[[(]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite oneline' . s:concealends
68 " Autolink without angle brackets.
69 " mkd inline links: protocol optional user:pass@ sub/domain .com, .co.uk, etc optional port path/querystring/hash fragment
70 " ------------ _____________________ --------------------------- ________________________ ----------------- __
71 syntax match mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
73 " Autolink with parenthesis.
74 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=")"
76 " Autolink with angle brackets.
77 syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
79 " Link definitions: [id]: URL (Optional Title)
80 syn region mkdLinkDef matchgroup=mkdDelimiter start="^ \{,3}\zs\[" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
81 syn region mkdLinkDefTarget start="<\?\zs\S" excludenl end="\ze[>[:space:]\n]" contained nextgroup=mkdLinkTitle,mkdLinkDef skipwhite skipnl oneline
82 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+"+ end=+"+ contained
83 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+'+ end=+'+ contained
84 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+(+ end=+)+ contained
87 syn region htmlH1 start="^\s*#" end="$" contains=@Spell
88 syn region htmlH2 start="^\s*##" end="$" contains=@Spell
89 syn region htmlH3 start="^\s*###" end="$" contains=@Spell
90 syn region htmlH4 start="^\s*####" end="$" contains=@Spell
91 syn region htmlH5 start="^\s*#####" end="$" contains=@Spell
92 syn region htmlH6 start="^\s*######" end="$" contains=@Spell
93 syn match htmlH1 /^.\+\n=\+$/ contains=@Spell
94 syn match htmlH2 /^.\+\n-\+$/ contains=@Spell
96 "define Markdown groups
97 syn match mkdLineBreak / \+$/
98 syn region mkdBlockquote start=/^\s*>/ end=/$/ contains=mkdLineBreak,@Spell
99 syn region mkdCode start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
100 syn region mkdCode start=/\s*``[^`]*/ end=/[^`]*``\s*/
101 syn region mkdCode start=/^\s*\z(`\{3,}\)[^`]*$/ end=/^\s*\z1`*\s*$/
102 syn region mkdCode start=/\s*\~\~[^\~]*/ end=/[^\~]*\~\~\s*/
103 syn region mkdCode start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/ end=/^\s*\z1\~*\s*$/
104 syn region mkdCode start="<pre[^>]*\\\@<!>" end="</pre>"
105 syn region mkdCode start="<code[^>]*\\\@<!>" end="</code>"
106 syn region mkdFootnote start="\[^" end="\]"
107 syn match mkdCode /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
108 syn match mkdCode /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
109 syn match mkdCode /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
110 syn match mkdListItem /^\s*\%([-*+]\|\d\+\.\)\s\+/ contained
111 syn region mkdListItemLine start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" oneline contains=@mkdNonListItem,mkdListItem,@Spell
112 syn region mkdNonListItemBlock start="\(\%^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@!\|\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!\)" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
113 syn match mkdRule /^\s*\*\s\{0,1}\*\s\{0,1}\*$/
114 syn match mkdRule /^\s*-\s\{0,1}-\s\{0,1}-$/
115 syn match mkdRule /^\s*_\s\{0,1}_\s\{0,1}_$/
116 syn match mkdRule /^\s*-\{3,}$/
117 syn match mkdRule /^\s*\*\{3,5}$/
120 if get(g:, 'vim_markdown_frontmatter', 0)
121 syn include @yamlTop syntax/yaml.vim
122 syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop
123 unlet! b:current_syntax
126 if get(g:, 'vim_markdown_toml_frontmatter', 0)
128 syn include @tomlTop syntax/toml.vim
129 syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$" transparent contains=@tomlTop
130 unlet! b:current_syntax
132 syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$"
136 if get(g:, 'vim_markdown_json_frontmatter', 0)
138 syn include @jsonTop syntax/json.vim
139 syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$" contains=@jsonTop
140 unlet! b:current_syntax
142 syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$"
146 if get(g:, 'vim_markdown_math', 0)
147 syn include @tex syntax/tex.vim
148 syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$" end="\$" contains=@tex
149 syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$\$" end="\$\$" contains=@tex
152 syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
154 "highlighting for Markdown groups
155 HtmlHiLink mkdString String
156 HtmlHiLink mkdCode String
157 HtmlHiLink mkdCodeStart String
158 HtmlHiLink mkdCodeEnd String
159 HtmlHiLink mkdFootnote Comment
160 HtmlHiLink mkdBlockquote Comment
161 HtmlHiLink mkdListItem Identifier
162 HtmlHiLink mkdRule Identifier
163 HtmlHiLink mkdLineBreak Todo
164 HtmlHiLink mkdFootnotes htmlLink
165 HtmlHiLink mkdLink htmlLink
166 HtmlHiLink mkdURL htmlString
167 HtmlHiLink mkdInlineURL htmlLink
168 HtmlHiLink mkdID Identifier
169 HtmlHiLink mkdLinkDef mkdID
170 HtmlHiLink mkdLinkDefTarget mkdURL
171 HtmlHiLink mkdLinkTitle htmlString
172 HtmlHiLink mkdDelimiter Delimiter
174 let b:current_syntax = "mkd"
176 delcommand HtmlHiLink