" Vim syntax file
" Language: BIND zone files (RFC 1035)
" Maintainer: Julian Mehnle <[email protected]>
" URL: http://www.mehnle.net/source/odds+ends/vim/syntax/
" Last Change: Thu 2011-07-16 20:42:00 UTC
"
" Based on an earlier version by Вячеслав Горбанев (Slava Gorbanev), with
" heavy modifications.
"
" $Id: bindzone.vim 12 2011-07-16 21:09:57Z julian $

" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif

syn case match

" Directives
syn region zoneRRecord start=/^/ end=/$/ contains=zoneOwnerName,zoneSpecial,zoneTTL,zoneClass,zoneRRType,zoneComment,zoneUnknown

syn match zoneDirective /^\$ORIGIN\s\+/ nextgroup=zoneOrigin,zoneUnknown
syn match zoneDirective /^\$TTL\s\+/ nextgroup=zoneTTL,zoneUnknown
syn match zoneDirective /^\$INCLUDE\s\+/ nextgroup=zoneText,zoneUnknown
syn match zoneDirective /^\$GENERATE\s/

syn match zoneUnknown contained /\S\+/

syn match zoneOwnerName contained /^[^[:space:]!"#$%&'()*+,\/:;<=>?@[\]\^`{|}~]\+\(\s\|;\)\@=/ nextgroup=zoneTTL,zoneClass,zoneRRType skipwhite
syn match zoneOrigin contained /[^[:space:]!"#$%&'()*+,\/:;<=>?@[\]\^`{|}~]\+\(\s\|;\|$\)\@=/
syn match zoneDomain contained /[^[:space:]!"#$%&'()*+,\/:;<=>?@[\]\^`{|}~]\+\(\s\|;\|$\)\@=/

syn match zoneSpecial contained /^[@*.]\s/
syn match zoneTTL contained /\s\@<=\d[0-9WwDdHhMmSs]*\(\s\|$\)\@=/ nextgroup=zoneClass,zoneRRType skipwhite
syn keyword zoneClass contained IN CHAOS nextgroup=zoneRRType,zoneTTL skipwhite
syn keyword zoneRRType contained A AAAA CNAME DNAME HINFO MX NS PTR SOA SRV TXT SPF nextgroup=zoneRData skipwhite
syn match zoneRData contained /[^;]*/ contains=zoneDomain,zoneIPAddr,zoneIP6Addr,zoneText,zoneNumber,zoneParen,zoneUnknown

syn match zoneIPAddr contained /\<[0-9]\{1,3}\(\.[0-9]\{1,3}\)\{,3}\>/

" Plain IPv6 address IPv6-embedded-IPv4 address
" 1111:2:3:4:5:6:7:8 1111:2:3:4:5:6:127.0.0.1
syn match zoneIP6Addr contained /\<\(\x\{1,4}:\)\{6}\(\x\{1,4}:\x\{1,4}\|\([0-2]\?\d\{1,2}\.\)\{3}[0-2]\?\d\{1,2}\)\>/
" ::[...:]8 ::[...:]127.0.0.1
syn match zoneIP6Addr contained /\s\@<=::\(\(\x\{1,4}:\)\{,6}\x\{1,4}\|\(\x\{1,4}:\)\{,5}\([0-2]\?\d\{1,2}\.\)\{3}[0-2]\?\d\{1,2}\)\>/
" 1111::[...:]8 1111::[...:]127.0.0.1
syn match zoneIP6Addr contained /\<\(\x\{1,4}:\)\{1}:\(\(\x\{1,4}:\)\{,5}\x\{1,4}\|\(\x\{1,4}:\)\{,4}\([0-2]\?\d\{1,2}\.\)\{3}[0-2]\?\d\{1,2}\)\>/
" 1111:2::[...:]8 1111:2::[...:]127.0.0.1
syn match zoneIP6Addr contained /\<\(\x\{1,4}:\)\{2}:\(\(\x\{1,4}:\)\{,4}\x\{1,4}\|\(\x\{1,4}:\)\{,3}\([0-2]\?\d\{1,2}\.\)\{3}[0-2]\?\d\{1,2}\)\>/
" 1111:2:3::[...:]8 1111:2:3::[...:]127.0.0.1
syn match zoneIP6Addr contained /\<\(\x\{1,4}:\)\{3}:\(\(\x\{1,4}:\)\{,3}\x\{1,4}\|\(\x\{1,4}:\)\{,2}\([0-2]\?\d\{1,2}\.\)\{3}[0-2]\?\d\{1,2}\)\>/
" 1111:2:3:4::[...:]8 1111:2:3:4::[...:]127.0.0.1
syn match zoneIP6Addr contained /\<\(\x\{1,4}:\)\{4}:\(\(\x\{1,4}:\)\{,2}\x\{1,4}\|\(\x\{1,4}:\)\{,1}\([0-2]\?\d\{1,2}\.\)\{3}[0-2]\?\d\{1,2}\)\>/
" 1111:2:3:4:5::[...:]8 1111:2:3:4:5::127.0.0.1
syn match zoneIP6Addr contained /\<\(\x\{1,4}:\)\{5}:\(\(\x\{1,4}:\)\{,1}\x\{1,4}\|\([0-2]\?\d\{1,2}\.\)\{3}[0-2]\?\d\{1,2}\)\>/
" 1111:2:3:4:5:6::8 -
syn match zoneIP6Addr contained /\<\(\x\{1,4}:\)\{6}:\x\{1,4}\>/
" 1111[:...]:: -
syn match zoneIP6Addr contained /\<\(\x\{1,4}:\)\{1,7}:\(\s\|;\|$\)\@=/

syn match zoneText contained /"\([^"\\]\|\\.\)*"\(\s\|;\|$\)\@=/
syn match zoneNumber contained /\<[0-9]\+\(\s\|;\|$\)\@=/
syn match zoneSerial contained /\<[0-9]\{9,10}\(\s\|;\|$\)\@=/

syn match zoneErrParen /)/
syn region zoneParen contained start="(" end=")" contains=zoneSerial,zoneTTL,zoneNumber,zoneComment
syn match zoneComment /;.*/

" Define the default highlighting.
" For version 5.7 and earlier: only when not done already
" For version 5.8 and later: only when an item doesn't have highlighting yet
if version >= 508 || !exists("did_bind_zone_syn_inits")
if version < 508
let did_bind_zone_syn_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif

HiLink zoneDirective Macro

HiLink zoneUnknown Error

HiLink zoneOrigin Statement
HiLink zoneOwnerName Statement
HiLink zoneDomain Identifier

HiLink zoneSpecial Special
HiLink zoneTTL Constant
HiLink zoneClass Include
HiLink zoneRRType Type

HiLink zoneIPAddr Number
HiLink zoneIP6Addr Number
HiLink zoneText String
HiLink zoneNumber Number
HiLink zoneSerial Special

HiLink zoneErrParen Error
HiLink zoneComment Comment

delcommand HiLink
endif

let b:current_syntax = "bindzone"

" vim:sts=2 sw=2