Edit: xml.vim
" Vim syntax file " Language: XML " Maintainer: Johannes Zellner <johannes@zellner.org> " Author and previous maintainer: " Paul Siegmann <pauls@euronet.nl> " Last Change: 2013 Jun 07 " Filenames: *.xml " $Id: xml.vim,v 1.3 2006/04/11 21:32:00 vimboss Exp $ " CONFIGURATION: " syntax folding can be turned on by " " let g:xml_syntax_folding = 1 " " before the syntax file gets loaded (e.g. in ~/.vimrc). " This might slow down syntax highlighting significantly, " especially for large files. " " CREDITS: " The original version was derived by Paul Siegmann from " Claudio Fleiner's html.vim. " " REFERENCES: " [1] http://www.w3.org/TR/2000/REC-xml-20001006 " [2] http://www.w3.org/XML/1998/06/xmlspec-report-19980910.htm " " as <hirauchi@kiwi.ne.jp> pointed out according to reference [1] " " 2.3 Common Syntactic Constructs " [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' | CombiningChar | Extender " [5] Name ::= (Letter | '_' | ':') (NameChar)* " " NOTE: " 1) empty tag delimiters "/>" inside attribute values (strings) " confuse syntax highlighting. " 2) for large files, folding can be pretty slow, especially when " loading a file the first time and viewoptions contains 'folds' " so that folds of previous sessions are applied. " Don't use 'foldmethod=syntax' in this case. " Quit when a syntax file was already loaded if exists("b:current_syntax") finish endif let s:xml_cpo_save = &cpo set cpo&vim syn case match " mark illegal characters syn match xmlError "[<&]" " strings (inside tags) aka VALUES " " EXAMPLE: " " <tag foo.attribute = "value"> " ^^^^^^^ syn region xmlString contained start=+"+ end=+"+ contains=xmlEntity,@Spell display syn region xmlString contained start=+'+ end=+'+ contains=xmlEntity,@Spell display " punctuation (within attributes) e.g. <tag xml:foo.attribute ...> " ^ ^ " syn match xmlAttribPunct +[-:._]+ contained display syn match xmlAttribPunct +[:.]+ contained display " no highlighting for xmlEqual (xmlEqual has no highlighting group) syn match xmlEqual +=+ display " attribute, everything before the '=' " " PROVIDES: @xmlAttribHook " " EXAMPLE: " " <tag foo.attribute = "value"> " ^^^^^^^^^^^^^ " syn match xmlAttrib \ +[-'"<]\@1<!\<[a-zA-Z:_][-.0-9a-zA-Z:_]*\>\%(['">]\@!\|$\)+ \ contained \ contains=xmlAttribPunct,@xmlAttribHook \ display " namespace spec " " PROVIDES: @xmlNamespaceHook " " EXAMPLE: " " <xsl:for-each select = "lola"> " ^^^ " if exists("g:xml_namespace_transparent") syn match xmlNamespace \ +\(<\|</\)\@2<=[^ /!?<>"':]\+[:]\@=+ \ contained \ contains=@xmlNamespaceHook \ transparent \ display else syn match xmlNamespace \ +\(<\|</\)\@2<=[^ /!?<>"':]\+[:]\@=+ \ contained \ contains=@xmlNamespaceHook \ display endif " tag name " " PROVIDES: @xmlTagHook " " EXAMPLE: " " <tag foo.attribute = "value"> " ^^^ " syn match xmlTagName \ +<\@1<=[^ /!?<>"']\++ \ contained \ contains=xmlNamespace,xmlAttribPunct,@xmlTagHook \ display if exists('g:xml_syntax_folding') " start tag " use matchgroup=xmlTag to skip over the leading '<' " " PROVIDES: @xmlStartTagHook " " EXAMPLE: " " <tag id="whoops"> " s^^^^^^^^^^^^^^^e " syn region xmlTag \ matchgroup=xmlTag start=+<[^ /!?<>"']\@=+ \ matchgroup=xmlTag end=+>+ \ contained \ contains=xmlError,xmlTagName,xmlAttrib,xmlEqual,xmlString,@xmlStartTagHook " highlight the end tag " " PROVIDES: @xmlTagHook " (should we provide a separate @xmlEndTagHook ?) " " EXAMPLE: " " </tag> " ^^^^^^ " syn match xmlEndTag \ +</[^ /!?<>"']\+>+ \ contained \ contains=xmlNamespace,xmlAttribPunct,@xmlTagHook " tag elements with syntax-folding. " NOTE: NO HIGHLIGHTING -- highlighting is done by contained elements " " PROVIDES: @xmlRegionHook " " EXAMPLE: " " <tag id="whoops"> " <!-- comment --> " <another.tag></another.tag> " <empty.tag/> " some data " </tag> " syn region xmlRegion \ start=+<\z([^ /!?<>"']\+\)+ \ skip=+<!--\_.\{-}-->+ \ end=+</\z1\_\s\{-}>+ \ matchgroup=xmlEndTag end=+/>+ \ fold \ contains=xmlTag,xmlEndTag,xmlCdata,xmlRegion,xmlComment,xmlEntity,xmlProcessing,@xmlRegionHook,@Spell \ keepend \ extend else " no syntax folding: " - contained attribute removed " - xmlRegion not defined " syn region xmlTag \ matchgroup=xmlTag start=+<[^ /!?<>"']\@=+ \ matchgroup=xmlTag end=+>+ \ contains=xmlError,xmlTagName,xmlAttrib,xmlEqual,xmlString,@xmlStartTagHook syn match xmlEndTag \ +</[^ /!?<>"']\+>+ \ contains=xmlNamespace,xmlAttribPunct,@xmlTagHook endif " &entities; compare with dtd syn match xmlEntity "&[^; \t]*;" contains=xmlEntityPunct syn match xmlEntityPunct contained "[&.;]" if exists('g:xml_syntax_folding') " The real comments (this implements the comments as defined by xml, " but not all xml pages actually conform to it. Errors are flagged. syn region xmlComment \ start=+<!+ \ end=+>+ \ contains=xmlCommentStart,xmlCommentError \ extend \ fold else " no syntax folding: " - fold attribute removed " syn region xmlComment \ start=+<!+ \ end=+>+ \ contains=xmlCommentStart,xmlCommentError \ extend endif syn match xmlCommentStart contained "<!" nextgroup=xmlCommentPart syn keyword xmlTodo contained TODO FIXME XXX syn match xmlCommentError contained "[^><!]" syn region xmlCommentPart \ start=+--+ \ end=+--+ \ contained \ contains=xmlTodo,@xmlCommentHook,@Spell " CData sections " " PROVIDES: @xmlCdataHook " syn region xmlCdata \ start=+<!\[CDATA\[+ \ end=+]]>+ \ contains=xmlCdataStart,xmlCdataEnd,@xmlCdataHook,@Spell \ keepend \ extend " using the following line instead leads to corrupt folding at CDATA regions " syn match xmlCdata +<!\[CDATA\[\_.\{-}]]>+ contains=xmlCdataStart,xmlCdataEnd,@xmlCdataHook syn match xmlCdataStart +<!\[CDATA\[+ contained contains=xmlCdataCdata syn keyword xmlCdataCdata CDATA contained syn match xmlCdataEnd +]]>+ contained " Processing instructions " This allows "?>" inside strings -- good idea? syn region xmlProcessing matchgroup=xmlProcessingDelim start="<?" end="?>" contains=xmlAttrib,xmlEqual,xmlString if exists('g:xml_syntax_folding') " DTD -- we use dtd.vim here syn region xmlDocType matchgroup=xmlDocTypeDecl \ start="<!DOCTYPE"he=s+2,rs=s+2 end=">" \ fold \ contains=xmlDocTypeKeyword,xmlInlineDTD,xmlString else " no syntax folding: " - fold attribute removed " syn region xmlDocType matchgroup=xmlDocTypeDecl \ start="<!DOCTYPE"he=s+2,rs=s+2 end=">" \ contains=xmlDocTypeKeyword,xmlInlineDTD,xmlString endif syn keyword xmlDocTypeKeyword contained DOCTYPE PUBLIC SYSTEM syn region xmlInlineDTD contained matchgroup=xmlDocTypeDecl start="\[" end="]" contains=@xmlDTD syn include @xmlDTD <sfile>:p:h/dtd.vim unlet b:current_syntax " synchronizing " TODO !!! to be improved !!! syn sync match xmlSyncDT grouphere xmlDocType +\_.\(<!DOCTYPE\)\@=+ " syn sync match xmlSyncDT groupthere NONE +]>+ if exists('g:xml_syntax_folding') syn sync match xmlSync grouphere xmlRegion +\_.\(<[^ /!?<>"']\+\)\@=+ " syn sync match xmlSync grouphere xmlRegion "<[^ /!?<>"']*>" syn sync match xmlSync groupthere xmlRegion +</[^ /!?<>"']\+>+ endif syn sync minlines=100 " The default highlighting. hi def link xmlTodo Todo hi def link xmlTag Function hi def link xmlTagName Function hi def link xmlEndTag Identifier if !exists("g:xml_namespace_transparent") hi def link xmlNamespace Tag endif hi def link xmlEntity Statement hi def link xmlEntityPunct Type hi def link xmlAttribPunct Comment hi def link xmlAttrib Type hi def link xmlString String hi def link xmlComment Comment hi def link xmlCommentStart xmlComment hi def link xmlCommentPart Comment hi def link xmlCommentError Error hi def link xmlError Error hi def link xmlProcessingDelim Comment hi def link xmlProcessing Type hi def link xmlCdata String hi def link xmlCdataCdata Statement hi def link xmlCdataStart Type hi def link xmlCdataEnd Type hi def link xmlDocTypeDecl Function hi def link xmlDocTypeKeyword Statement hi def link xmlInlineDTD Function let b:current_syntax = "xml" let &cpo = s:xml_cpo_save unlet s:xml_cpo_save " vim: ts=8
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