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" Vim syntax file
" Language: DTD (Document Type Definition for XML)
" Maintainer: Johannes Zellner <johannes@zellner.org>
" Author and previous maintainer:
" Daniel Amyot <damyot@site.uottawa.ca>
" Last Change: Tue, 27 Apr 2004 14:54:59 CEST
" Filenames: *.dtd
"
" REFERENCES:
" http://www.w3.org/TR/html40/
" http://www.w3.org/TR/NOTE-html-970421
"
" TODO:
" - improve synchronizing.
if exists("b:current_syntax")
finish
endif
let s:dtd_cpo_save = &cpo
set cpo&vim
if !exists("dtd_ignore_case")
" I prefer having the case takes into consideration.
syn case match
else
syn case ignore
endif
" the following line makes the opening <! and
" closing > highlighted using 'dtdFunction'.
"
" PROVIDES: @dtdTagHook
"
syn region dtdTag matchgroup=dtdFunction
\ start=+<!+ end=+>+ matchgroup=NONE
\ contains=dtdTag,dtdTagName,dtdError,dtdComment,dtdString,dtdAttrType,dtdAttrDef,dtdEnum,dtdParamEntityInst,dtdParamEntityDecl,dtdCard,@dtdTagHook
if !exists("dtd_no_tag_errors")
" mark everything as an error which starts with a <!
" and is not overridden later. If this is annoying,
" it can be switched off by setting the variable
" dtd_no_tag_errors.
syn region dtdError contained start=+<!+lc=2 end=+>+
endif
" if this is a html like comment hightlight also
" the opening <! and the closing > as Comment.
syn region dtdComment start=+<![ \t]*--+ end=+-->+ contains=dtdTodo,@Spell
" proper DTD comment
syn region dtdComment contained start=+--+ end=+--+ contains=dtdTodo,@Spell
" Start tags (keywords). This is contained in dtdFunction.
" Note that everything not contained here will be marked
" as error.
syn match dtdTagName contained +<!\(ATTLIST\|DOCTYPE\|ELEMENT\|ENTITY\|NOTATION\|SHORTREF\|USEMAP\|\[\)+lc=2,hs=s+2
" wildcards and operators
syn match dtdCard contained "|"
syn match dtdCard contained ","
" evenutally overridden by dtdEntity
syn match dtdCard contained "&"
syn match dtdCard contained "?"
syn match dtdCard contained "\*"
syn match dtdCard contained "+"
" ...and finally, special cases.
syn match dtdCard "ANY"
syn match dtdCard "EMPTY"
if !exists("dtd_no_param_entities")
" highlight parameter entity declarations
" and instances. Note that the closing `;'
" is optional.
" instances
syn region dtdParamEntityInst oneline matchgroup=dtdParamEntityPunct
\ start="%[-_a-zA-Z0-9.]\+"he=s+1,rs=s+1
\ skip=+[-_a-zA-Z0-9.]+
\ end=";\|\>"
\ matchgroup=NONE contains=dtdParamEntityPunct
syn match dtdParamEntityPunct contained "\."
" declarations
" syn region dtdParamEntityDecl oneline matchgroup=dtdParamEntityDPunct start=+<!ENTITY % +lc=8 skip=+[-_a-zA-Z0-9.]+ matchgroup=NONE end="\>" contains=dtdParamEntityDPunct
syn match dtdParamEntityDecl +<!ENTITY % [-_a-zA-Z0-9.]*+lc=8 contains=dtdParamEntityDPunct
syn match dtdParamEntityDPunct contained "%\|\."
endif
" &entities; compare with xml
syn match dtdEntity "&[^; \t]*;" contains=dtdEntityPunct
syn match dtdEntityPunct contained "[&.;]"
" Strings are between quotes
syn region dtdString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=dtdAttrDef,dtdAttrType,dtdEnum,dtdParamEntityInst,dtdEntity,dtdCard
syn region dtdString start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=dtdAttrDef,dtdAttrType,dtdEnum,dtdParamEntityInst,dtdEntity,dtdCard
" Enumeration of elements or data between parenthesis
"
" PROVIDES: @dtdEnumHook
"
syn region dtdEnum matchgroup=dtdType start="(" end=")" matchgroup=NONE contains=dtdEnum,dtdParamEntityInst,dtdCard,@dtdEnumHook
"Attribute types
syn keyword dtdAttrType NMTOKEN ENTITIES NMTOKENS ID CDATA
syn keyword dtdAttrType IDREF IDREFS
" ENTITY has to treated special for not overriding <!ENTITY
syn match dtdAttrType +[^!]\<ENTITY+
"Attribute Definitions
syn match dtdAttrDef "#REQUIRED"
syn match dtdAttrDef "#IMPLIED"
syn match dtdAttrDef "#FIXED"
syn case match
" define some common keywords to mark TODO
" and important sections inside comments.
syn keyword dtdTodo contained TODO FIXME XXX
syn sync lines=250
" Define the default highlighting.
" Only when an item doesn't have highlighting yet
" The default highlighting.
hi def link dtdFunction Function
hi def link dtdTag Normal
hi def link dtdType Type
hi def link dtdAttrType dtdType
hi def link dtdAttrDef dtdType
hi def link dtdConstant Constant
hi def link dtdString dtdConstant
hi def link dtdEnum dtdConstant
hi def link dtdCard dtdFunction
hi def link dtdEntity Statement
hi def link dtdEntityPunct dtdType
hi def link dtdParamEntityInst dtdConstant
hi def link dtdParamEntityPunct dtdType
hi def link dtdParamEntityDecl dtdType
hi def link dtdParamEntityDPunct dtdComment
hi def link dtdComment Comment
hi def link dtdTagName Statement
hi def link dtdError Error
hi def link dtdTodo Todo
let &cpo = s:dtd_cpo_save
unlet s:dtd_cpo_save
let b:current_syntax = "dtd"
" vim: ts=8