asciidoc: Add syntax and ftdetect file, version 8.4.4.

AsciiDoc is a simple but powerful text markup.

diff --git a/ftdetect/asciidoc_filetype.vim b/ftdetect/asciidoc_filetype.vim
new file mode 100644 (file)
index 0000000..4180ab0
--- /dev/null
+++ b/ftdetect/asciidoc_filetype.vim
@@ -0,0 +1,53 @@
+" Vim filetype detection file
+" Language:     AsciiDoc
+" Author:       Stuart Rackham <srackham@gmail.com>
+" Last Change:  AsciiDoc 8.2.0
+" URL:          http://www.methods.co.nz/asciidoc/
+" Licence:      GPL (http://www.gnu.org)
+" Remarks:      Vim 6 or greater
+
+" COMMENT OUT ONE OF THE TWO FOLLOWING COMMANDS
+" The first sets asciidoc syntax highlighting on all .txt files, the second
+" only existing files *.txt that appear to be AsciiDoc files.
+
+au BufNewFile,BufRead *.txt,README,TODO,CHANGELOG,NOTES  setfiletype asciidoc
+"au BufRead *.txt,README,TODO,CHANGELOG,NOTES call s:FTasciidoc()
+
+" This function checks for a valid AsciiDoc document title after first
+" skipping any leading comments.
+function! s:FTasciidoc()
+  let in_comment_block = 0
+  let n = 1
+  while n < 50
+    let line = getline(n)
+    let n = n + 1
+    if line =~ '^/\{4,}$'
+      if ! in_comment_block
+        let in_comment_block = 1
+      else
+        let in_comment_block = 0
+      endif
+      continue
+    endif
+    if in_comment_block
+      continue
+    endif
+    if line !~ '\(^//\)\|\(^\s*$\)'
+      break
+    endif
+  endwhile
+  if line !~ '.\{3,}'
+    return
+  endif
+  let len = len(line)
+  let line = getline(n)
+  if line !~ '[-=]\{3,}'
+    return
+  endif
+  if len < len(line) - 3 || len > len(line) + 3
+    return
+  endif
+  setfiletype asciidoc
+endfunction
+
+" vim: et sw=2 ts=2 sts=2:

diff --git a/syntax/asciidoc.vim b/syntax/asciidoc.vim
new file mode 100644 (file)
index 0000000..0bf51f0
--- /dev/null
+++ b/syntax/asciidoc.vim
@@ -0,0 +1,166 @@
+" Vim syntax file
+" Language:     AsciiDoc
+" Author:       Stuart Rackham <srackham@gmail.com> (inspired by Felix
+"               Obenhuber's original asciidoc.vim script).
+" URL:          http://www.methods.co.nz/asciidoc/
+" Licence:      GPL (http://www.gnu.org)
+" Remarks:      Vim 6 or greater
+" Limitations:  See 'Appendix E: Vim Syntax Highlighter' in the AsciiDoc 'User
+"               Guide'.
+
+if exists("b:current_syntax")
+  finish
+endif
+
+syn clear
+syn sync fromstart
+syn sync linebreaks=1
+
+" Run :help syn-priority to review syntax matching priority.
+syn keyword asciidocToDo TODO FIXME XXX ZZZ
+syn match asciidocBackslash /\\/
+syn region asciidocIdMarker start=/^\$Id:\s/ end=/\s\$$/
+syn match asciidocCallout /\\\@<!<\d\{1,2}>/
+syn match asciidocListBlockDelimiter /^--$/
+syn match asciidocLineBreak /[ \t]+$/
+syn match asciidocRuler /^'\{3,}$/
+syn match asciidocPagebreak /^<\{3,}$/
+syn match asciidocEntityRef /\\\@<!&[#a-zA-Z]\S\{-};/
+" The tricky part is not triggering on indented list items that are also
+" preceeded by blank line, handles only bulleted items (see 'Limitations' above
+" for workarounds).
+syn region asciidocLiteralParagraph start=/^\n[ \t]\+\(\([^-*. \t] \)\|\(\S\S\)\)/ end=/\(^+\?\s*$\)\@=/
+syn match asciidocURL /\\\@<!\<\(http\|https\|ftp\|file\|irc\):\/\/[^| \t]*\(\w\|\/\)/
+syn match asciidocEmail /\\\@<!\(\<\|<\)\w\(\w\|[.-]\)*@\(\w\|[.-]\)*\w>\?[0-9A-Za-z_.]\@!/
+syn match asciidocAttributeRef /\\\@<!{\w\(\w\|-\)*\([=!@#$%?:].*\)\?}/
+syn match asciidocAdmonition /^\u\{3,15}:\(\s\+.*\)\@=/
+
+" As a damage control measure quoted patterns always terminate at a  blank
+" line (see 'Limitations' above).
+syn match asciidocQuotedSubscript /\\\@<!\~\S\_.\{-}\(\~\|\n\s*\n\)/
+syn match asciidocQuotedSuperscript /\\\@<!\^\S\_.\{-}\(\^\|\n\s*\n\)/
+syn match asciidocQuotedMonospaced /\(^\|[| \t([.,=\]]\)\@<=+\([ )\n]\)\@!\_.\{-}\S\(+\([| \t)[\],.?!;:=]\|$\)\@=\|\n\s*\n\)/
+syn match asciidocQuotedMonospaced2 /\(^\|[| \t([.,=]\)\@<=`\([ )\n]\)\@!\_.\{-}\S\(`\([| \t)[\],.?!;:=]\|$\)\@=\|\n\s*\n\)/
+syn match asciidocQuotedUnconstrainedMonospaced /\\\@<!++\S\_.\{-}\(++\|\n\s*\n\)/
+syn match asciidocQuotedEmphasized /\(^\|[| \t([.,=\]]\)\@<=_\([ )\n]\)\@!\_.\{-}\S\(_\([| \t)[\],.?!;:=]\|$\)\@=\|\n\s*\n\)/
+syn match asciidocQuotedEmphasized2 /\(^\|[| \t([.,=\]]\)\@<='\([ )\n]\)\@!\_.\{-}\S\('\([| \t)[\],.?!;:=]\|$\)\@=\|\n\s*\n\)/
+syn match asciidocQuotedUnconstrainedEmphasized /\\\@<!__\S\_.\{-}\(__\|\n\s*\n\)/
+syn match asciidocQuotedBold /\(^\|[| \t([.,=\]]\)\@<=\*\([ )\n]\)\@!\_.\{-}\S\(\*\([| \t)[\],.?!;:=]\|$\)\@=\|\n\s*\n\)/
+syn match asciidocQuotedUnconstrainedBold /\\\@<!\*\*\S\_.\{-}\(\*\*\|\n\s*\n\)/
+"syn match asciidocQuotedSingleQuoted /\(^\|[| \t([.,=]\)\@<=`\([ )\n]\)\@!\_.\{-}\S\('\([| \t)[\],.?!;:=]\|$\)\@=\|\n\s*\n\)/
+" Don't allow ` in single quoted (a kludge to stop confusion with `monospaced`).
+syn match asciidocQuotedSingleQuoted /\(^\|[| \t([.,=]\)\@<=`\([ )\n]\)\@!\([^`]\|\n\)\{-}[^`\s]\('\([| \t)[\],.?!;:=]\|$\)\@=\|\n\s*\n\)/
+syn match asciidocQuotedDoubleQuoted /\(^\|[| \t([.,=]\)\@<=``\([ )\n]\)\@!\_.\{-}\S\(''\([| \t)[\],.?!;:=]\|$\)\@=\|\n\s*\n\)/
+
+syn match asciidocDoubleDollarPassthrough /\\\@<!\(^\|[^0-9a-zA-Z$]\)\@<=\$\$..\{-}\(\$\$\([^0-9a-zA-Z$]\|$\)\@=\|^$\)/
+syn match asciidocTriplePlusPassthrough /\\\@<!\(^\|[^0-9a-zA-Z$]\)\@<=+++..\{-}\(+++\([^0-9a-zA-Z$]\|$\)\@=\|^$\)/
+
+syn match asciidocListBullet /^\s*\zs\(-\|\*\{1,5}\)\ze\s/
+syn match asciidocListNumber /^\s*\zs\(\(\d\+\.\)\|\.\{1,5}\|\(\a\.\)\|\([ivxIVX]\+)\)\)\ze\s\+/
+
+syn region asciidocTable_OLD start=/^\([`.']\d*[-~_]*\)\+[-~_]\+\d*$/ end=/^$/
+syn match asciidocBlockTitle /^\.[^. \t].*[^-~_]$/ contains=asciidocQuoted.*,asciidocAttributeRef
+syn match asciidocOneLineTitle /^=\{1,5}\s\+\S.*$/ contains=asciidocQuoted.*,asciidocAttributeRef
+
+syn match asciidocTitleUnderline /[-=~^+]\{2,}$/ transparent contained contains=NONE
+syn match asciidocTwoLineTitle /^[^. +/].*[^.:]\n[-=~^+]\{2,}$/ contains=asciidocQuoted.*,asciidocAttributeRef,asciidocTitleUnderline
+
+syn match asciidocAttributeList /^\[[^[ \t].*\]$/
+syn match asciidocQuoteBlockDelimiter /^_\{4,}$/
+syn match asciidocExampleBlockDelimiter /^=\{4,}$/
+syn match asciidocSidebarDelimiter /^*\{4,}$/
+
+"See http://vimdoc.sourceforge.net/htmldoc/usr_44.html for excluding region
+"contents from highlighting.
+syn match asciidocTablePrefix /\(\S\@<!\(\([0-9.]\+\)\([*+]\)\)\?\([<\^>.]\{,3}\)\?\([a-z]\)\?\)\?|/ containedin=asciidocTableBlock contained
+syn region asciidocTableBlock matchgroup=asciidocTableDelimiter start=/^|=\{3,}$/ end=/^|=\{3,}$/ keepend contains=ALL
+syn match asciidocTablePrefix /\(\S\@<!\(\([0-9.]\+\)\([*+]\)\)\?\([<\^>.]\{,3}\)\?\([a-z]\)\?\)\?!/ containedin=asciidocTableBlock contained
+syn region asciidocTableBlock2 matchgroup=asciidocTableDelimiter2 start=/^!=\{3,}$/ end=/^!=\{3,}$/ keepend contains=ALL
+
+syn match asciidocListContinuation /^+$/
+syn region asciidocLiteralBlock start=/^\.\{4,}$/ end=/^\.\{4,}$/ contains=asciidocCallout keepend
+syn region asciidocOpenBlock start=/^-\{4,}$/ end=/^-\{4,}$/ contains=asciidocCallout keepend
+syn region asciidocCommentBlock start="^/\{4,}$" end="^/\{4,}$" contains=asciidocToDo
+syn region asciidocPassthroughBlock start="^+\{4,}$" end="^+\{4,}$"
+" Allowing leading \w characters in the filter delimiter is to accomodate
+" the pre version 8.2.7 syntax and may be removed in future releases.
+syn region asciidocFilterBlock start=/^\w*\~\{4,}$/ end=/^\w*\~\{4,}$/
+
+syn region asciidocMacroAttributes matchgroup=asciidocRefMacro start=/\\\@<!<<"\{-}\w\(\w\|-\)*"\?,\?/ end=/\(>>\)\|^$/ contains=asciidocQuoted.* keepend
+syn region asciidocMacroAttributes matchgroup=asciidocAnchorMacro start=/\\\@<!\[\{2}\(\w\|-\)\+,\?/ end=/\]\{2}/ keepend
+syn region asciidocMacroAttributes matchgroup=asciidocAnchorMacro start=/\\\@<!\[\{3}\(\w\|-\)\+/ end=/\]\{3}/ keepend
+syn region asciidocMacroAttributes matchgroup=asciidocMacro start=/[\\0-9a-zA-Z]\@<!\w\(\w\|-\)*:\S\{-}\[/ skip=/\\\]/ end=/\]\|^$/ contains=asciidocQuoted.* keepend
+syn region asciidocMacroAttributes matchgroup=asciidocIndexTerm start=/\\\@<!(\{2,3}/ end=/)\{2,3}/ contains=asciidocQuoted.* keepend
+syn region asciidocMacroAttributes matchgroup=asciidocAttributeMacro start=/\({\(\w\|-\)\+}\)\@<=\[/ skip=/\\\]/ end=/\]/ keepend
+
+syn match asciidocCommentLine "^//\([^/].*\|\)$" contains=asciidocToDo
+
+syn region asciidocVLabel start=/^\s*/ end=/\(::\|;;\)$/ oneline contains=asciidocQuoted.*,asciidocMacroAttributes keepend
+syn region asciidocHLabel start=/^\s*/ end=/\(::\|;;\)\(\s\+\|\\$\)/ oneline contains=asciidocQuoted.*,asciidocMacroAttributes keepend
+
+syn region asciidocAttributeEntry start=/^:\w/ end=/:\(\s\|$\)/ oneline
+
+highlight link asciidocMacroAttributes Label
+highlight link asciidocIdMarker Special
+highlight link asciidocDoubleDollarPassthrough Special
+highlight link asciidocTriplePlusPassthrough Special
+highlight link asciidocQuotedSubscript Type
+highlight link asciidocQuotedSuperscript Type
+highlight link asciidocOneLineTitle Title
+highlight link asciidocTwoLineTitle Title
+highlight link asciidocBlockTitle Title
+highlight link asciidocRefMacro Macro
+highlight link asciidocIndexTerm Macro
+highlight link asciidocMacro Macro
+highlight link asciidocAttributeMacro Macro
+highlight link asciidocAnchorMacro Macro
+highlight link asciidocEmail Macro
+highlight link asciidocListBullet Label
+highlight link asciidocListNumber Label
+highlight link asciidocVLabel Label
+highlight link asciidocHLabel Label
+highlight link asciidocTable_OLD Type
+highlight link asciidocTableDelimiter Label
+highlight link asciidocTableBlock NONE
+highlight link asciidocTablePrefix Label
+highlight link asciidocTableDelimiter2 Label
+highlight link asciidocTableBlock2 NONE
+highlight link asciidocTablePrefix2 Label
+highlight link asciidocListBlockDelimiter Label
+highlight link asciidocListContinuation Label
+highlight link asciidocLiteralParagraph Identifier
+highlight link asciidocQuoteBlockDelimiter Type
+highlight link asciidocExampleBlockDelimiter Type
+highlight link asciidocSidebarDelimiter Type
+highlight link asciidocLiteralBlock Identifier
+highlight link asciidocOpenBlock Identifier
+highlight link asciidocPassthroughBlock Identifier
+highlight link asciidocCommentBlock Comment
+highlight link asciidocFilterBlock Type
+highlight link asciidocQuotedBold Special
+highlight link asciidocQuotedUnconstrainedBold Special
+highlight link asciidocQuotedEmphasized Type
+highlight link asciidocQuotedEmphasized2 Type
+highlight link asciidocQuotedUnconstrainedEmphasized Type
+highlight link asciidocQuotedMonospaced Identifier
+highlight link asciidocQuotedMonospaced2 Identifier
+highlight link asciidocQuotedUnconstrainedMonospaced Identifier
+highlight link asciidocQuotedSingleQuoted Label
+highlight link asciidocQuotedDoubleQuoted Label
+highlight link asciidocToDo Todo
+highlight link asciidocCommentLine Comment
+highlight link asciidocAdmonition Special
+highlight link asciidocAttributeRef Special
+highlight link asciidocAttributeList Special
+highlight link asciidocAttributeEntry Special
+highlight link asciidocBackslash Special
+highlight link asciidocEntityRef Special
+highlight link asciidocCallout Label
+highlight link asciidocLineBreak Special
+highlight link asciidocRuler Type
+highlight link asciidocPagebreak Type
+highlight link asciidocURL Macro
+
+let b:current_syntax = "asciidoc"
+
+" vim: wrap et sw=2 sts=2: