96 lines
4.0 KiB
VimL
96 lines
4.0 KiB
VimL
" Vim syntax file
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" Language: printcap/termcap database
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" Maintainer: Haakon Riiser <hakonrk@fys.uio.no>
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" URL: http://folk.uio.no/hakonrk/vim/syntax/ptcap.vim
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" Last Change: 2001 May 15
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" quit when a syntax file was already loaded
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if exists("b:current_syntax")
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finish
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endif
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" Since I only highlight based on the structure of the databases, not
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" specific keywords, case sensitivity isn't required
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syn case ignore
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" Since everything that is not caught by the syntax patterns is assumed
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" to be an error, we start parsing 20 lines up, unless something else
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" is specified
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if exists("ptcap_minlines")
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exe "syn sync lines=".ptcap_minlines
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else
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syn sync lines=20
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endif
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" Highlight everything that isn't caught by the rules as errors,
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" except blank lines
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syn match ptcapError "^.*\S.*$"
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syn match ptcapLeadBlank "^\s\+" contained
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" `:' and `|' are delimiters for fields and names, and should not be
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" highlighted. Hence, they are linked to `NONE'
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syn match ptcapDelimiter "[:|]" contained
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" Escaped characters receive special highlighting
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syn match ptcapEscapedChar "\\." contained
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syn match ptcapEscapedChar "\^." contained
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syn match ptcapEscapedChar "\\\o\{3}" contained
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" A backslash at the end of a line will suppress the newline
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syn match ptcapLineCont "\\$" contained
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" A number follows the same rules as an integer in C
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syn match ptcapNumber "#\(+\|-\)\=\d\+"lc=1 contained
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syn match ptcapNumberError "#\d*[^[:digit:]:\\]"lc=1 contained
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syn match ptcapNumber "#0x\x\{1,8}"lc=1 contained
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syn match ptcapNumberError "#0x\X"me=e-1,lc=1 contained
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syn match ptcapNumberError "#0x\x\{9}"lc=1 contained
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syn match ptcapNumberError "#0x\x*[^[:xdigit:]:\\]"lc=1 contained
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" The `@' operator clears a flag (i.e., sets it to zero)
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" The `#' operator assigns a following number to the flag
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" The `=' operator assigns a string to the preceding flag
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syn match ptcapOperator "[@#=]" contained
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" Some terminal capabilities have special names like `#5' and `@1', and we
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" need special rules to match these properly
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syn match ptcapSpecialCap "\W[#@]\d" contains=ptcapDelimiter contained
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" If editing a termcap file, an entry in the database is terminated by
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" a (non-escaped) newline. Otherwise, it is terminated by a line which
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" does not start with a colon (:)
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if exists("b:ptcap_type") && b:ptcap_type[0] == 't'
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syn region ptcapEntry start="^\s*[^[:space:]:]" end="[^\\]\(\\\\\)*$" end="^$" contains=ptcapNames,ptcapField,ptcapLeadBlank keepend
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else
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syn region ptcapEntry start="^\s*[^[:space:]:]"me=e-1 end="^\s*[^[:space:]:#]"me=e-1 contains=ptcapNames,ptcapField,ptcapLeadBlank,ptcapComment
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endif
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syn region ptcapNames start="^\s*[^[:space:]:]" skip="[^\\]\(\\\\\)*\\:" end=":"me=e-1 contains=ptcapDelimiter,ptcapEscapedChar,ptcapLineCont,ptcapLeadBlank,ptcapComment keepend contained
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syn region ptcapField start=":" skip="[^\\]\(\\\\\)*\\$" end="[^\\]\(\\\\\)*:"me=e-1 end="$" contains=ptcapDelimiter,ptcapString,ptcapNumber,ptcapNumberError,ptcapOperator,ptcapLineCont,ptcapSpecialCap,ptcapLeadBlank,ptcapComment keepend contained
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syn region ptcapString matchgroup=ptcapOperator start="=" skip="[^\\]\(\\\\\)*\\:" matchgroup=ptcapDelimiter end=":"me=e-1 matchgroup=NONE end="[^\\]\(\\\\\)*[^\\]$" end="^$" contains=ptcapEscapedChar,ptcapLineCont keepend contained
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syn region ptcapComment start="^\s*#" end="$" contains=ptcapLeadBlank
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hi def link ptcapComment Comment
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hi def link ptcapDelimiter Delimiter
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" The highlighting of "ptcapEntry" should always be overridden by
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" its contents, so I use Todo highlighting to indicate that there
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" is work to be done with the syntax file if you can see it :-)
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hi def link ptcapEntry Todo
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hi def link ptcapError Error
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hi def link ptcapEscapedChar SpecialChar
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hi def link ptcapField Type
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hi def link ptcapLeadBlank NONE
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hi def link ptcapLineCont Special
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hi def link ptcapNames Label
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hi def link ptcapNumber NONE
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hi def link ptcapNumberError Error
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hi def link ptcapOperator Operator
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hi def link ptcapSpecialCap Type
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hi def link ptcapString NONE
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let b:current_syntax = "ptcap"
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" vim: sts=4 sw=4 ts=8
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