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+" Vim syntax file
+" Language: SGML
+" Maintainer: Johannes Zellner <johannes@zellner.org>
+" Last Change: Tue, 27 Apr 2004 15:05:21 CEST
+" Filenames: *.sgml,*.sgm
+" $Id: sgml.vim,v 1.1 2004/06/13 17:52:57 vimboss Exp $
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+ finish
+endif
+
+let s:sgml_cpo_save = &cpo
+set cpo&vim
+
+syn case match
+
+" mark illegal characters
+syn match sgmlError "[<&]"
+
+
+" unicode numbers:
+" provide different highlithing for unicode characters
+" inside strings and in plain text (character data).
+"
+" EXAMPLE:
+"
+" \u4e88
+"
+syn match sgmlUnicodeNumberAttr +\\u\x\{4}+ contained contains=sgmlUnicodeSpecifierAttr
+syn match sgmlUnicodeSpecifierAttr +\\u+ contained
+syn match sgmlUnicodeNumberData +\\u\x\{4}+ contained contains=sgmlUnicodeSpecifierData
+syn match sgmlUnicodeSpecifierData +\\u+ contained
+
+
+" strings inside character data or comments
+"
+syn region sgmlString contained start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=sgmlEntity,sgmlUnicodeNumberAttr display
+syn region sgmlString contained start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=sgmlEntity,sgmlUnicodeNumberAttr display
+
+" punctuation (within attributes) e.g. <tag sgml:foo.attribute ...>
+" ^ ^
+syn match sgmlAttribPunct +[:.]+ contained display
+
+
+" no highlighting for sgmlEqual (sgmlEqual has no highlighting group)
+syn match sgmlEqual +=+
+
+
+" attribute, everything before the '='
+"
+" PROVIDES: @sgmlAttribHook
+"
+" EXAMPLE:
+"
+" <tag foo.attribute = "value">
+" ^^^^^^^^^^^^^
+"
+syn match sgmlAttrib
+ \ +[^-'"<]\@<=\<[a-zA-Z0-9.:]\+\>\([^'">]\@=\|$\)+
+ \ contained
+ \ contains=sgmlAttribPunct,@sgmlAttribHook
+ \ display
+
+
+" UNQUOTED value (not including the '=' -- sgmlEqual)
+"
+" PROVIDES: @sgmlValueHook
+"
+" EXAMPLE:
+"
+" <tag foo.attribute = value>
+" ^^^^^
+"
+syn match sgmlValue
+ \ +[^"' =/!?<>][^ =/!?<>]*+
+ \ contained
+ \ contains=sgmlEntity,sgmlUnicodeNumberAttr,@sgmlValueHook
+ \ display
+
+
+" QUOTED value (not including the '=' -- sgmlEqual)
+"
+" PROVIDES: @sgmlValueHook
+"
+" EXAMPLE:
+"
+" <tag foo.attribute = "value">
+" ^^^^^^^
+" <tag foo.attribute = 'value'>
+" ^^^^^^^
+"
+syn region sgmlValue contained start=+"+ skip=+\\\\\|\\"+ end=+"+
+ \ contains=sgmlEntity,sgmlUnicodeNumberAttr,@sgmlValueHook
+syn region sgmlValue contained start=+'+ skip=+\\\\\|\\'+ end=+'+
+ \ contains=sgmlEntity,sgmlUnicodeNumberAttr,@sgmlValueHook
+
+
+" value, everything after (and including) the '='
+" no highlighting!
+"
+" EXAMPLE:
+"
+" <tag foo.attribute = "value">
+" ^^^^^^^^^
+" <tag foo.attribute = value>
+" ^^^^^^^
+"
+syn match sgmlEqualValue
+ \ +=\s*[^ =/!?<>]\++
+ \ contained
+ \ contains=sgmlEqual,sgmlString,sgmlValue
+ \ display
+
+
+" start tag
+" use matchgroup=sgmlTag to skip over the leading '<'
+" see also sgmlEmptyTag below.
+"
+" PROVIDES: @sgmlTagHook
+"
+syn region sgmlTag
+ \ matchgroup=sgmlTag start=+<[^ /!?"']\@=+
+ \ matchgroup=sgmlTag end=+>+
+ \ contained
+ \ contains=sgmlError,sgmlAttrib,sgmlEqualValue,@sgmlTagHook
+
+
+" tag content for empty tags. This is the same as sgmlTag
+" above, except the `matchgroup=sgmlEndTag for highlighting
+" the end '/>' differently.
+"
+" PROVIDES: @sgmlTagHook
+"
+syn region sgmlEmptyTag
+ \ matchgroup=sgmlTag start=+<[^ /!?"']\@=+
+ \ matchgroup=sgmlEndTag end=+/>+
+ \ contained
+ \ contains=sgmlError,sgmlAttrib,sgmlEqualValue,@sgmlTagHook
+
+
+" end tag
+" highlight everything but not the trailing '>' which
+" was already highlighted by the containing sgmlRegion.
+"
+" PROVIDES: @sgmlTagHook
+" (should we provide a separate @sgmlEndTagHook ?)
+"
+syn match sgmlEndTag
+ \ +</[^ /!?>"']\+>+
+ \ contained
+ \ contains=@sgmlTagHook
+
+
+" [-- SGML SPECIFIC --]
+
+" SGML specific
+" tag content for abbreviated regions
+"
+" PROVIDES: @sgmlTagHook
+"
+syn region sgmlAbbrTag
+ \ matchgroup=sgmlTag start=+<[^ /!?"']\@=+
+ \ matchgroup=sgmlTag end=+/+
+ \ contained
+ \ contains=sgmlError,sgmlAttrib,sgmlEqualValue,@sgmlTagHook
+
+
+" SGML specific
+" just highlight the trailing '/'
+syn match sgmlAbbrEndTag +/+
+
+
+" SGML specific
+" abbreviated regions
+"
+" No highlighting, highlighting is done by contained elements.
+"
+" PROVIDES: @sgmlRegionHook
+"
+" EXAMPLE:
+"
+" <bold/Im Anfang war das Wort/
+"
+syn match sgmlAbbrRegion
+ \ +<[^/!?>"']\+/\_[^/]\+/+
+ \ contains=sgmlAbbrTag,sgmlAbbrEndTag,sgmlCdata,sgmlComment,sgmlEntity,sgmlUnicodeNumberData,@sgmlRegionHook
+
+" [-- END OF SGML SPECIFIC --]
+
+
+" real (non-empty) elements. We cannot do syntax folding
+" as in xml, because end tags may be optional in sgml depending
+" on the dtd.
+" No highlighting, highlighting is done by contained elements.
+"
+" PROVIDES: @sgmlRegionHook
+"
+" EXAMPLE:
+"
+" <tag id="whoops">
+" <!-- comment -->
+" <another.tag></another.tag>
+" <another.tag/>
+" some data
+" </tag>
+"
+" SGML specific:
+" compared to xmlRegion:
+" - removed folding
+" - added a single '/'in the start pattern
+"
+syn region sgmlRegion
+ \ start=+<\z([^ /!?>"']\+\)\(\(\_[^/>]*[^/!?]>\)\|>\)+
+ \ end=+</\z1>+
+ \ contains=sgmlTag,sgmlEndTag,sgmlCdata,@sgmlRegionCluster,sgmlComment,sgmlEntity,sgmlUnicodeNumberData,@sgmlRegionHook
+ \ keepend
+ \ extend
+
+
+" empty tags. Just a container, no highlighting.
+" Compare this with sgmlTag.
+"
+" EXAMPLE:
+"
+" <tag id="lola"/>
+"
+" TODO use sgmlEmptyTag instead of sgmlTag
+syn match sgmlEmptyRegion
+ \ +<[^ /!?>"']\(\_[^"'<>]\|"\_[^"]*"\|'\_[^']*'\)*/>+
+ \ contains=sgmlEmptyTag
+
+
+" cluster which contains the above two elements
+syn cluster sgmlRegionCluster contains=sgmlRegion,sgmlEmptyRegion,sgmlAbbrRegion
+
+
+" &entities; compare with dtd
+syn match sgmlEntity "&[^; \t]*;" contains=sgmlEntityPunct
+syn match sgmlEntityPunct contained "[&.;]"
+
+
+" The real comments (this implements the comments as defined by sgml,
+" but not all sgml pages actually conform to it. Errors are flagged.
+syn region sgmlComment start=+<!+ end=+>+ contains=sgmlCommentPart,sgmlString,sgmlCommentError,sgmlTodo
+syn keyword sgmlTodo contained TODO FIXME XXX display
+syn match sgmlCommentError contained "[^><!]"
+syn region sgmlCommentPart contained start=+--+ end=+--+
+
+
+" CData sections
+"
+" PROVIDES: @sgmlCdataHook
+"
+syn region sgmlCdata
+ \ start=+<!\[CDATA\[+
+ \ end=+]]>+
+ \ contains=sgmlCdataStart,sgmlCdataEnd,@sgmlCdataHook
+ \ keepend
+ \ extend
+" using the following line instead leads to corrupt folding at CDATA regions
+" syn match sgmlCdata +<!\[CDATA\[\_.\{-}]]>+ contains=sgmlCdataStart,sgmlCdataEnd,@sgmlCdataHook
+syn match sgmlCdataStart +<!\[CDATA\[+ contained contains=sgmlCdataCdata
+syn keyword sgmlCdataCdata CDATA contained
+syn match sgmlCdataEnd +]]>+ contained
+
+
+" Processing instructions
+" This allows "?>" inside strings -- good idea?
+syn region sgmlProcessing matchgroup=sgmlProcessingDelim start="<?" end="?>" contains=sgmlAttrib,sgmlEqualValue
+
+
+" DTD -- we use dtd.vim here
+syn region sgmlDocType matchgroup=sgmlDocTypeDecl start="\c<!DOCTYPE"he=s+2,rs=s+2 end=">" contains=sgmlDocTypeKeyword,sgmlInlineDTD,sgmlString
+syn keyword sgmlDocTypeKeyword contained DOCTYPE PUBLIC SYSTEM
+syn region sgmlInlineDTD contained start="\[" end="]" contains=@sgmlDTD
+syn include @sgmlDTD <sfile>:p:h/dtd.vim
+
+
+" synchronizing
+" TODO !!! to be improved !!!
+
+syn sync match sgmlSyncDT grouphere sgmlDocType +\_.\(<!DOCTYPE\)\@=+
+" syn sync match sgmlSyncDT groupthere NONE +]>+
+
+syn sync match sgmlSync grouphere sgmlRegion +\_.\(<[^ /!?>"']\+\)\@=+
+" syn sync match sgmlSync grouphere sgmlRegion "<[^ /!?>"']*>"
+syn sync match sgmlSync groupthere sgmlRegion +</[^ /!?>"']\+>+
+
+syn sync minlines=100
+
+
+" The default highlighting.
+hi def link sgmlTodo Todo
+hi def link sgmlTag Function
+hi def link sgmlEndTag Identifier
+" SGML specific
+hi def link sgmlAbbrEndTag Identifier
+hi def link sgmlEmptyTag Function
+hi def link sgmlEntity Statement
+hi def link sgmlEntityPunct Type
+
+hi def link sgmlAttribPunct Comment
+hi def link sgmlAttrib Type
+
+hi def link sgmlValue String
+hi def link sgmlString String
+hi def link sgmlComment Comment
+hi def link sgmlCommentPart Comment
+hi def link sgmlCommentError Error
+hi def link sgmlError Error
+
+hi def link sgmlProcessingDelim Comment
+hi def link sgmlProcessing Type
+
+hi def link sgmlCdata String
+hi def link sgmlCdataCdata Statement
+hi def link sgmlCdataStart Type
+hi def link sgmlCdataEnd Type
+
+hi def link sgmlDocTypeDecl Function
+hi def link sgmlDocTypeKeyword Statement
+hi def link sgmlInlineDTD Function
+hi def link sgmlUnicodeNumberAttr Number
+hi def link sgmlUnicodeSpecifierAttr SpecialChar
+hi def link sgmlUnicodeNumberData Number
+hi def link sgmlUnicodeSpecifierData SpecialChar
+
+let b:current_syntax = "sgml"
+
+let &cpo = s:sgml_cpo_save
+unlet s:sgml_cpo_save
+
+" vim: ts=8
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 15:32:56 +0000