2 " Language: BibTeX (bibliographic database format for (La)TeX)
3 " Maintainer: Bernd Feige <Bernd.Feige@gmx.net>
5 " Last Change: Aug 02, 2005
7 " Thanks to those who pointed out problems with this file or supplied fixes!
11 " For version 5.x: Clear all syntax items
12 " For version 6.x: Quit when a syntax file was already loaded
15 elseif exists("b:current_syntax")
24 syn keyword bibType contained article book booklet conference inbook
25 syn keyword bibType contained incollection inproceedings manual
26 syn keyword bibType contained mastersthesis misc phdthesis
27 syn keyword bibType contained proceedings techreport unpublished
28 syn keyword bibType contained string
30 syn keyword bibEntryKw contained address annote author booktitle chapter
31 syn keyword bibEntryKw contained crossref edition editor howpublished
32 syn keyword bibEntryKw contained institution journal key month note
33 syn keyword bibEntryKw contained number organization pages publisher
34 syn keyword bibEntryKw contained school series title type volume year
36 syn keyword bibNSEntryKw contained abstract isbn issn keywords url
40 syn cluster bibVarContents contains=bibUnescapedSpecial,bibBrace,bibParen
41 " This cluster is empty but things can be added externally:
42 "syn cluster bibCommentContents
46 syn match bibUnescapedSpecial contained /[^\\][%&]/hs=s+1
47 syn match bibKey contained /\s*[^ \t}="]\+,/hs=s,he=e-1 nextgroup=bibField
48 syn match bibVariable contained /[^{}," \t=]/
49 syn region bibComment start=/./ end=/^\s*@/me=e-1 contains=@bibCommentContents nextgroup=bibEntry
50 syn region bibQuote contained start=/"/ end=/"/ skip=/\(\\"\)/ contains=@bibVarContents
51 syn region bibBrace contained start=/{/ end=/}/ skip=/\(\\[{}]\)/ contains=@bibVarContents
52 syn region bibParen contained start=/(/ end=/)/ skip=/\(\\[()]\)/ contains=@bibVarContents
53 syn region bibField contained start="\S\+\s*=\s*" end=/[}),]/me=e-1 contains=bibEntryKw,bibNSEntryKw,bibBrace,bibParen,bibQuote,bibVariable
54 syn region bibEntryData contained start=/[{(]/ms=e+1 end=/[})]/me=e-1 contains=bibKey,bibField
55 " Actually, 5.8 <= Vim < 6.0 would ignore the `fold' keyword anyway, but Vim<5.8 would produce
56 " an error, so we explicitly distinguish versions with and without folding functionality:
58 syn region bibEntry start=/@\S\+[{(]/ end=/^\s*[})]/ transparent contains=bibType,bibEntryData nextgroup=bibComment
60 syn region bibEntry start=/@\S\+[{(]/ end=/^\s*[})]/ transparent fold contains=bibType,bibEntryData nextgroup=bibComment
62 syn region bibComment2 start=/@Comment[{(]/ end=/^\s*@/me=e-1 contains=@bibCommentContents nextgroup=bibEntry
66 syn sync match All grouphere bibEntry /^\s*@/
70 " Highlighting defaults
71 " =====================
72 " Define the default highlighting.
73 " For version 5.7 and earlier: only when not done already
74 " For version 5.8 and later: only when an item doesn't have highlighting yet
75 if version >= 508 || !exists("did_bib_syn_inits")
77 let did_bib_syn_inits = 1
78 command -nargs=+ HiLink hi link <args>
80 command -nargs=+ HiLink hi def link <args>
82 HiLink bibType Identifier
83 HiLink bibEntryKw Statement
84 HiLink bibNSEntryKw PreProc
86 HiLink bibVariable Constant
87 HiLink bibUnescapedSpecial Error
88 HiLink bibComment Comment
89 HiLink bibComment2 Comment
93 let b:current_syntax = "bib"