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Diffstat (limited to 'runtime/syntax/sgml.vim')
| -rw-r--r-- | runtime/syntax/sgml.vim | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/runtime/syntax/sgml.vim b/runtime/syntax/sgml.vim new file mode 100644 index 000000000..bcc46c342 --- /dev/null +++ b/runtime/syntax/sgml.vim @@ -0,0 +1,337 @@ +" Vim syntax file +" Language: SGML +" Maintainer: Johannes Zellner <johannes@zellner.org> +" Last Change: Tue, 27 Apr 2004 15:05:21 CEST +" Filenames: *.sgml,*.sgm +" $Id$ + +" 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 + +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 highlighing, highlighing 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 highlighing, highlighing 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 intead 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 specifig +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 |