" Vim syntax file
" Language:	"Robots.txt" files
" Robots.txt files indicate to WWW robots which parts of a web site should not be accessed.
" Maintainer:	Dominique Stéphan (dominique@mggen.com)
" URL: http://www.mggen.com/vim/syntax/robots.zip
" Last change:	2001 May 09

" 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


" shut case off
syn case ignore

" Comment
syn match  robotsComment	"#.*$" contains=robotsUrl,robotsMail,robotsString

" Star * (means all spiders)
syn match  robotsStar		"\*"

" :
syn match  robotsDelimiter	":"


" The keywords
" User-agent
syn match  robotsAgent		"^[Uu][Ss][Ee][Rr]\-[Aa][Gg][Ee][Nn][Tt]"
" Disallow
syn match  robotsDisallow	"^[Dd][Ii][Ss][Aa][Ll][Ll][Oo][Ww]"

" Disallow: or User-Agent: and the rest of the line before an eventual comment
synt match robotsLine		"\(^[Uu][Ss][Ee][Rr]\-[Aa][Gg][Ee][Nn][Tt]\|^[Dd][Ii][Ss][Aa][Ll][Ll][Oo][Ww]\):[^#]*"	contains=robotsAgent,robotsDisallow,robotsStar,robotsDelimiter

" Some frequent things in comments
syn match  robotsUrl		"http[s]\=://\S*"
syn match  robotsMail		"\S*@\S*"
syn region robotsString		start=+L\="+ skip=+\\\\\|\\"+ end=+"+

if version >= 508 || !exists("did_robos_syntax_inits")
  if version < 508
    let did_robots_syntax_inits = 1
    command -nargs=+ HiLink hi link <args>
  else
    command -nargs=+ HiLink hi def link <args>
  endif

  HiLink robotsComment		Comment
  HiLink robotsAgent		Type
  HiLink robotsDisallow		Statement
  HiLink robotsLine		Special
  HiLink robotsStar		Operator
  HiLink robotsDelimiter	Delimiter
  HiLink robotsUrl		String
  HiLink robotsMail		String
  HiLink robotsString		String

  delcommand HiLink
endif


let b:current_syntax = "robots"

" vim: ts=8 sw=2