173 lines
8.6 KiB
VimL
173 lines
8.6 KiB
VimL
" Vim syntax file
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" Language: Markdown
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" Maintainer: Ben Williams <benw@plasticboy.com>
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" URL: http://plasticboy.com/markdown-vim-mode/
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" Remark: Uses HTML syntax file
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" TODO: Handle stuff contained within stuff (e.g. headings within blockquotes)
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" Read the HTML syntax to start with
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if version < 600
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so <sfile>:p:h/html.vim
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else
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runtime! syntax/html.vim
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if exists('b:current_syntax')
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unlet b:current_syntax
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endif
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endif
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if version < 600
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syntax clear
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elseif exists("b:current_syntax")
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finish
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endif
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" don't use standard HiLink, it will not work with included syntax files
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if version < 508
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command! -nargs=+ HtmlHiLink hi link <args>
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else
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command! -nargs=+ HtmlHiLink hi def link <args>
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endif
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syn spell toplevel
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syn case ignore
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syn sync linebreaks=1
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let s:conceal = ''
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let s:concealends = ''
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if has('conceal') && get(g:, 'vim_markdown_conceal', 1)
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let s:conceal = ' conceal'
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let s:concealends = ' concealends'
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endif
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" additions to HTML groups
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if get(g:, 'vim_markdown_emphasis_multiline', 1)
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let s:oneline = ''
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else
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let s:oneline = ' oneline'
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endif
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syn region mkdItalic matchgroup=mkdItalic start="\%(\*\|_\)" end="\%(\*\|_\)"
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syn region mkdBold matchgroup=mkdBold start="\%(\*\*\|__\)" end="\%(\*\*\|__\)"
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syn region mkdBoldItalic matchgroup=mkdBoldItalic start="\%(\*\*\*\|___\)" end="\%(\*\*\*\|___\)"
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execute 'syn region htmlItalic matchgroup=mkdItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]\%(\%([^*]\|\\\*\|\n\)*[^\\\*\t ]\)\?\*\_W" end="[^\\\*\t ]\zs\*\ze\_W" keepend contains=@Spell' . s:oneline . s:concealends
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execute 'syn region htmlItalic matchgroup=mkdItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend contains=@Spell' . s:oneline . s:concealends
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execute 'syn region htmlBold matchgroup=mkdBold start="\%(^\|\s\)\zs\*\*\ze\S" end="\S\zs\*\*" keepend contains=@Spell' . s:oneline . s:concealends
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execute 'syn region htmlBold matchgroup=mkdBold start="\%(^\|\s\)\zs__\ze\S" end="\S\zs__" keepend contains=@Spell' . s:oneline . s:concealends
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execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs\*\*\*\ze\S" end="\S\zs\*\*\*" keepend contains=@Spell' . s:oneline . s:concealends
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execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs___\ze\S" end="\S\zs___" keepend contains=@Spell' . s:oneline . s:concealends
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" [link](URL) | [link][id] | [link][] | 
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syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^" end="\]"
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execute 'syn region mkdID matchgroup=mkdDelimiter start="\[" end="\]" contained oneline' . s:conceal
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execute 'syn region mkdURL matchgroup=mkdDelimiter start="(" end=")" contained oneline' . s:conceal
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execute 'syn region mkdLink matchgroup=mkdDelimiter start="\\\@<!!\?\[\ze[^]\n]*\n\?[^]\n]*\][[(]" end="\]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite' . s:concealends
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" Autolink without angle brackets.
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" mkd inline links: protocol optional user:pass@ sub/domain .com, .co.uk, etc optional port path/querystring/hash fragment
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" ------------ _____________________ ----------------------------- _________________________ ----------------- __
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syn match mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
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" Autolink with parenthesis.
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syn region mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*)\)\@=" end=")"
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" Autolink with angle brackets.
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syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
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" Link definitions: [id]: URL (Optional Title)
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syn region mkdLinkDef matchgroup=mkdDelimiter start="^ \{,3}\zs\[\^\@!" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
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syn region mkdLinkDefTarget start="<\?\zs\S" excludenl end="\ze[>[:space:]\n]" contained nextgroup=mkdLinkTitle,mkdLinkDef skipwhite skipnl oneline
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syn region mkdLinkTitle matchgroup=mkdDelimiter start=+"+ end=+"+ contained
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syn region mkdLinkTitle matchgroup=mkdDelimiter start=+'+ end=+'+ contained
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syn region mkdLinkTitle matchgroup=mkdDelimiter start=+(+ end=+)+ contained
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"HTML headings
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syn region htmlH1 start="^\s*#" end="$" contains=mkdLink,mkdInlineURL,@Spell
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syn region htmlH2 start="^\s*##" end="$" contains=mkdLink,mkdInlineURL,@Spell
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syn region htmlH3 start="^\s*###" end="$" contains=mkdLink,mkdInlineURL,@Spell
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syn region htmlH4 start="^\s*####" end="$" contains=mkdLink,mkdInlineURL,@Spell
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syn region htmlH5 start="^\s*#####" end="$" contains=mkdLink,mkdInlineURL,@Spell
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syn region htmlH6 start="^\s*######" end="$" contains=mkdLink,mkdInlineURL,@Spell
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syn match htmlH1 /^.\+\n=\+$/ contains=mkdLink,mkdInlineURL,@Spell
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syn match htmlH2 /^.\+\n-\+$/ contains=mkdLink,mkdInlineURL,@Spell
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"define Markdown groups
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syn match mkdLineBreak / \+$/
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syn region mkdBlockquote start=/^\s*>/ end=/$/ contains=mkdLink,mkdInlineURL,mkdLineBreak,@Spell
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syn region mkdCode start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
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syn region mkdCode start=/\s*``[^`]*/ end=/[^`]*``\s*/
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syn region mkdCode start=/^\s*\z(`\{3,}\)[^`]*$/ end=/^\s*\z1`*\s*$/
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syn region mkdCode start=/\s*\~\~[^\~]*/ end=/[^\~]*\~\~\s*/
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syn region mkdCode start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/ end=/^\s*\z1\~*\s*$/
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syn region mkdCode start="<pre[^>]*\\\@<!>" end="</pre>"
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syn region mkdCode start="<code[^>]*\\\@<!>" end="</code>"
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syn region mkdFootnote start="\[^" end="\]"
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syn match mkdCode /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
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syn match mkdCode /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
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syn match mkdCode /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
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syn match mkdListItem /^\s*\%([-*+]\|\d\+\.\)\ze\s\+/ contained
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syn region mkdListItemLine start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" oneline contains=@mkdNonListItem,mkdListItem,@Spell
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syn region mkdNonListItemBlock start="\(\%^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@!\|\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!\)" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
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syn match mkdRule /^\s*\*\s\{0,1}\*\s\{0,1}\*\(\*\|\s\)*$/
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syn match mkdRule /^\s*-\s\{0,1}-\s\{0,1}-\(-\|\s\)*$/
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syn match mkdRule /^\s*_\s\{0,1}_\s\{0,1}_\(_\|\s\)*$/
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" YAML frontmatter
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if get(g:, 'vim_markdown_frontmatter', 0)
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syn include @yamlTop syntax/yaml.vim
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syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop keepend
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unlet! b:current_syntax
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endif
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if get(g:, 'vim_markdown_toml_frontmatter', 0)
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try
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syn include @tomlTop syntax/toml.vim
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syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$" transparent contains=@tomlTop keepend
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unlet! b:current_syntax
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catch /E484/
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syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$"
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endtry
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endif
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if get(g:, 'vim_markdown_json_frontmatter', 0)
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try
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syn include @jsonTop syntax/json.vim
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syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$" contains=@jsonTop keepend
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unlet! b:current_syntax
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catch /E484/
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syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$"
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endtry
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endif
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if get(g:, 'vim_markdown_math', 0)
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syn include @tex syntax/tex.vim
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syn region mkdMath start="\\\@<!\$" end="\$" skip="\\\$" contains=@tex keepend
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syn region mkdMath start="\\\@<!\$\$" end="\$\$" skip="\\\$" contains=@tex keepend
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endif
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syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
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"highlighting for Markdown groups
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HtmlHiLink mkdString String
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HtmlHiLink mkdCode String
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HtmlHiLink mkdCodeStart String
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HtmlHiLink mkdCodeEnd String
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HtmlHiLink mkdFootnote Comment
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HtmlHiLink mkdBlockquote Comment
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HtmlHiLink mkdListItem Identifier
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HtmlHiLink mkdRule Identifier
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HtmlHiLink mkdLineBreak Visual
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HtmlHiLink mkdFootnotes htmlLink
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HtmlHiLink mkdLink htmlLink
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HtmlHiLink mkdURL htmlString
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HtmlHiLink mkdInlineURL htmlLink
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HtmlHiLink mkdID Identifier
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HtmlHiLink mkdLinkDef mkdID
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HtmlHiLink mkdLinkDefTarget mkdURL
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HtmlHiLink mkdLinkTitle htmlString
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HtmlHiLink mkdDelimiter Delimiter
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let b:current_syntax = "mkd"
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delcommand HtmlHiLink
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" vim: ts=8
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