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" Vim syntax file
" Language: reStructuredText documentation format
" Maintainer: Marshall Ward <marshall.ward@gmail.com>
" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
" Latest Revision: 2016-01-05
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
syn case ignore
syn match rstTransition /^[=`:.'"~^_*+#-]\{4,}\s*$/
syn cluster rstCruft contains=rstEmphasis,rstStrongEmphasis,
\ rstInterpretedText,rstInlineLiteral,rstSubstitutionReference,
\ rstInlineInternalTargets,rstFootnoteReference,rstHyperlinkReference
syn region rstLiteralBlock matchgroup=rstDelimiter
\ start='::\_s*\n\ze\z(\s\+\)' skip='^$' end='^\z1\@!'
\ contains=@NoSpell
syn region rstQuotedLiteralBlock matchgroup=rstDelimiter
\ start="::\_s*\n\ze\z([!\"#$%&'()*+,-./:;<=>?@[\]^_`{|}~]\)"
\ end='^\z1\@!' contains=@NoSpell
syn region rstDoctestBlock oneline display matchgroup=rstDelimiter
\ start='^>>>\s' end='^$'
syn region rstTable transparent start='^\n\s*+[-=+]\+' end='^$'
\ contains=rstTableLines,@rstCruft
syn match rstTableLines contained display '|\|+\%(=\+\|-\+\)\='
syn region rstSimpleTable transparent
\ start='^\n\%(\s*\)\@>\%(\%(=\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(=\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
\ end='^$'
\ contains=rstSimpleTableLines,@rstCruft
syn match rstSimpleTableLines contained display
\ '^\%(\s*\)\@>\%(\%(=\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(=\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
syn match rstSimpleTableLines contained display
\ '^\%(\s*\)\@>\%(\%(-\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(-\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
syn cluster rstDirectives contains=rstFootnote,rstCitation,
\ rstHyperlinkTarget,rstExDirective
syn match rstExplicitMarkup '^\s*\.\.\_s'
\ nextgroup=@rstDirectives,rstComment,rstSubstitutionDefinition
let s:ReferenceName = '[[:alnum:]]\+\%([_.-][[:alnum:]]\+\)*'
syn keyword rstTodo contained FIXME TODO XXX NOTE
execute 'syn region rstComment contained' .
\ ' start=/.*/'
\ ' end=/^\s\@!/ contains=rstTodo'
execute 'syn region rstFootnote contained matchgroup=rstDirective' .
\ ' start=+\[\%(\d\+\|#\%(' . s:ReferenceName . '\)\=\|\*\)\]\_s+' .
\ ' skip=+^$+' .
\ ' end=+^\s\@!+ contains=@rstCruft,@NoSpell'
execute 'syn region rstCitation contained matchgroup=rstDirective' .
\ ' start=+\[' . s:ReferenceName . '\]\_s+' .
\ ' skip=+^$+' .
\ ' end=+^\s\@!+ contains=@rstCruft,@NoSpell'
syn region rstHyperlinkTarget contained matchgroup=rstDirective
\ start='_\%(_\|[^:\\]*\%(\\.[^:\\]*\)*\):\_s' skip=+^$+ end=+^\s\@!+
syn region rstHyperlinkTarget contained matchgroup=rstDirective
\ start='_`[^`\\]*\%(\\.[^`\\]*\)*`:\_s' skip=+^$+ end=+^\s\@!+
syn region rstHyperlinkTarget matchgroup=rstDirective
\ start=+^__\_s+ skip=+^$+ end=+^\s\@!+
execute 'syn region rstExDirective contained matchgroup=rstDirective' .
\ ' start=+' . s:ReferenceName . '::\_s+' .
\ ' skip=+^$+' .
\ ' end=+^\s\@!+ contains=@rstCruft,rstLiteralBlock'
execute 'syn match rstSubstitutionDefinition contained' .
\ ' /|' . s:ReferenceName . '|\_s\+/ nextgroup=@rstDirectives'
function! s:DefineOneInlineMarkup(name, start, middle, end, char_left, char_right)
execute 'syn region rst' . a:name .
\ ' start=+' . a:char_left . '\zs' . a:start .
\ '\ze[^[:space:]' . a:char_right . a:start[strlen(a:start) - 1] . ']+' .
\ a:middle .
\ ' end=+\S' . a:end . '\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)+'
endfunction
function! s:DefineInlineMarkup(name, start, middle, end)
let middle = a:middle != "" ?
\ (' skip=+\\\\\|\\' . a:middle . '+') :
\ ""
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, "'", "'")
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '"', '"')
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '(', ')')
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '\[', '\]')
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '{', '}')
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '<', '>')
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '\%(^\|\s\|[/:]\)', '')
execute 'syn match rst' . a:name .
\ ' +\%(^\|\s\|[''"([{</:]\)\zs' . a:start .
\ '[^[:space:]' . a:start[strlen(a:start) - 1] . ']'
\ a:end . '\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)+'
execute 'hi def link rst' . a:name . 'Delimiter' . ' rst' . a:name
endfunction
call s:DefineInlineMarkup('Emphasis', '\*', '\*', '\*')
call s:DefineInlineMarkup('StrongEmphasis', '\*\*', '\*', '\*\*')
call s:DefineInlineMarkup('InterpretedTextOrHyperlinkReference', '`', '`', '`_\{0,2}')
call s:DefineInlineMarkup('InlineLiteral', '``', "", '``')
call s:DefineInlineMarkup('SubstitutionReference', '|', '|', '|_\{0,2}')
call s:DefineInlineMarkup('InlineInternalTargets', '_`', '`', '`')
syn match rstSections "^\%(\([=`:.'"~^_*+#-]\)\1\+\n\)\=.\+\n\([=`:.'"~^_*+#-]\)\2\+$"
" TODO: Can’t remember why these two can’t be defined like the ones above.
execute 'syn match rstFootnoteReference contains=@NoSpell' .
\ ' +\[\%(\d\+\|#\%(' . s:ReferenceName . '\)\=\|\*\)\]_+'
execute 'syn match rstCitationReference contains=@NoSpell' .
\ ' +\[' . s:ReferenceName . '\]_\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)+'
execute 'syn match rstHyperlinkReference' .
\ ' /\<' . s:ReferenceName . '__\=\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)/'
syn match rstStandaloneHyperlink contains=@NoSpell
\ "\<\%(\%(\%(https\=\|file\|ftp\|gopher\)://\|\%(mailto\|news\):\)[^[:space:]'\"<>]\+\|www[[:alnum:]_-]*\.[[:alnum:]_-]\+\.[^[:space:]'\"<>]\+\)[[:alnum:]/]"
syn region rstCodeBlock contained matchgroup=rstDirective
\ start=+\%(sourcecode\|code\%(-block\)\=\)::\_s*\n\ze\z(\s\+\)+
\ skip=+^$+
\ end=+^\z1\@!+
\ contains=@NoSpell
syn cluster rstDirectives add=rstCodeBlock
if !exists('g:rst_syntax_code_list')
let g:rst_syntax_code_list = ['vim', 'java', 'cpp', 'lisp', 'php',
\ 'python', 'perl', 'sh']
endif
for code in g:rst_syntax_code_list
unlet! b:current_syntax
" guard against setting 'isk' option which might cause problems (issue #108)
let prior_isk = &l:iskeyword
exe 'syn include @rst'.code.' syntax/'.code.'.vim'
exe 'syn region rstDirective'.code.' matchgroup=rstDirective fold '
\.'start=#\%(sourcecode\|code\%(-block\)\=\)::\s\+'.code.'\_s*\n\ze\z(\s\+\)# '
\.'skip=#^$# '
\.'end=#^\z1\@!# contains=@NoSpell,@rst'.code
exe 'syn cluster rstDirectives add=rstDirective'.code
" reset 'isk' setting, if it has been changed
if &l:iskeyword !=# prior_isk
let &l:iskeyword = prior_isk
endif
unlet! prior_isk
endfor
" TODO: Use better syncing.
syn sync minlines=50 linebreaks=2
hi def link rstTodo Todo
hi def link rstComment Comment
hi def link rstSections Title
hi def link rstTransition rstSections
hi def link rstLiteralBlock String
hi def link rstQuotedLiteralBlock String
hi def link rstDoctestBlock PreProc
hi def link rstTableLines rstDelimiter
hi def link rstSimpleTableLines rstTableLines
hi def link rstExplicitMarkup rstDirective
hi def link rstDirective Keyword
hi def link rstFootnote String
hi def link rstCitation String
hi def link rstHyperlinkTarget String
hi def link rstExDirective String
hi def link rstSubstitutionDefinition rstDirective
hi def link rstDelimiter Delimiter
" TODO: I dunno...
hi def rstEmphasis term=italic cterm=italic gui=italic
hi def link rstStrongEmphasis Special
"term=bold cterm=bold gui=bold
hi def link rstInterpretedTextOrHyperlinkReference Identifier
hi def link rstInlineLiteral String
hi def link rstSubstitutionReference PreProc
hi def link rstInlineInternalTargets Identifier
hi def link rstFootnoteReference Identifier
hi def link rstCitationReference Identifier
hi def link rstHyperLinkReference Identifier
hi def link rstStandaloneHyperlink Identifier
hi def link rstCodeBlock String
let b:current_syntax = "rst"
let &cpo = s:cpo_save
unlet s:cpo_save
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