updated for version 7.0158v7.0158

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+" Vim completion script
+" Language:	XHTML 1.0 Strict
+" Maintainer:	Mikolaj Machowski ( mikmach AT wp DOT pl )
+" Last Change:	2005 Nov 22
+
+" This function will create Dictionary with users namespace strings and values
+" canonical (system) names of data files.  Names should be lowercase,
+" descriptive to avoid any future conflicts. For example 'xhtml10s' should be
+" name for data of XHTML 1.0 Strict and 'xhtml10t' for XHTML 1.0 Transitional
+" User interface will be provided by XMLns command defined ...
+" Currently supported canonicals are:
+" xhtml10s - XHTML 1.0 Strict
+" xsl      - XSL
+function! xmlcomplete#CreateConnection(canonical, ...)
+
+	" When only one argument provided treat name as default namespace (without
+	" 'prefix:').
+	if exists("a:1")
+		let users = a:1
+	else
+		let users = 'DEFAULT'
+	endif
+
+	" Source data file. Due to suspected errors in autoload do it with
+	" :runtime. 
+	" TODO: make it properly (using autoload, that is) later
+	exe "runtime autoload/xml/".a:canonical.".vim"
+
+	" Remove all traces of unexisting files to return [] when trying
+	" omnicomplete something
+	" TODO: give warning about non-existing canonicals - should it be?
+	if !exists("g:xmldata_".a:canonical)
+		unlet! g:xmldata_connection
+		return 0
+	endif
+
+	" We need to initialize Dictionary to add key-value pair
+	if !exists("g:xmldata_connection")
+		let g:xmldata_connection = {}
+	endif
+
+	let g:xmldata_connection[users] = a:canonical
+
+endfunction
+
+function! xmlcomplete#CreateEntConnection(...)
+	if a:0 > 0
+		let g:xmldata_entconnect = a:1
+	else
+		let g:xmldata_entconnect = 'DEFAULT'
+	endif
+endfunction
+
+function! xmlcomplete#CompleteTags(findstart, base)
+  if a:findstart
+    " locate the start of the word
+    let line = getline('.')
+    let start = col('.') - 1
+	let compl_begin = col('.') - 2
+
+    while start >= 0 && line[start - 1] =~ '\(\k\|[:.-]\)'
+		let start -= 1
+    endwhile
+
+	if start >= 0 && line[start - 1] =~ '&'
+		let b:entitiescompl = 1
+		let b:compl_context = ''
+		return start
+	endif
+
+	let b:compl_context = getline('.')[0:(compl_begin)]
+	let b:compl_context = matchstr(b:compl_context, '.*<\zs.*')
+
+	" Make sure we will have only current namespace
+	unlet! b:xml_namespace
+	let b:xml_namespace = matchstr(b:compl_context, '^\k*\ze:')
+	if b:xml_namespace == ''
+		let b:xml_namespace = 'DEFAULT'
+	endif
+
+    return start
+
+  else
+	" There is no connction of namespace and data file. Abandon action
+	if !exists("g:xmldata_connection") || g:xmldata_connection == {}
+		return []
+	endif
+	" Initialize base return lists
+    let res = []
+    let res2 = []
+	" a:base is very short - we need context
+	let context = b:compl_context
+	unlet! b:compl_context
+
+	" Make entities completion
+	if exists("b:entitiescompl")
+		unlet! b:entitiescompl
+
+		if !exists("g:xmldata_entconnect") || g:xmldata_entconnect == 'DEFAULT'
+			let values =  g:xmldata{'_'.g:xmldata_connection['DEFAULT']}['vimxmlentities']
+		else
+			let values =  g:xmldata{'_'.g:xmldata_entconnect}['vimxmlentities']
+		endif
+
+		" Get only lines with entity declarations but throw out
+		" parameter-entities - they may be completed in future
+		let entdecl = filter(getline(1, "$"), 'v:val =~ "<!ENTITY\\s\\+[^%]"')
+
+		if len(entdecl) > 0
+			let intent = map(copy(entdecl), 'matchstr(v:val, "<!ENTITY\\s\\+\\zs\\(\\k\\|[.-:]\\)\\+\\ze")')
+			let values = intent + values
+		endif
+
+		for m in values
+			if m =~ '^'.a:base
+				call add(res, m.';')
+			endif
+		endfor
+
+		return res
+
+	endif
+	if context =~ '>'
+		" Generally if context contains > it means we are outside of tag and
+		" should abandon action
+		return []
+	endif
+
+    " find tags matching with "a:base"
+	" If a:base contains white space it is attribute. 
+	" It could be also value of attribute...
+	" We have to get first word to offer
+	" proper completions
+	if context == ''
+		let tag = ''
+	else
+		let tag = split(context)[0]
+	endif
+	" Get rid of namespace
+	let tag = substitute(tag, '^'.b:xml_namespace.':', '', '')
+
+
+	" Get last word, it should be attr name
+	let attr = matchstr(context, '.*\s\zs.*')
+	" Possible situations where any prediction would be difficult:
+	" 1. Events attributes
+	if context =~ '\s'
+
+		" If attr contains =\s*[\"'] we catched value of attribute
+		if attr =~ "=\s*[\"']"
+			" Let do attribute specific completion
+			let attrname = matchstr(attr, '.*\ze\s*=')
+			let entered_value = matchstr(attr, ".*=\\s*[\"']\\zs.*")
+
+			if tag =~ '^[?!]'
+				" Return nothing if we are inside of ! or ? tag
+				return []
+			else
+				let values = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][attrname]
+			endif
+
+			if len(values) == 0
+				return []
+			endif
+
+			" We need special version of sbase
+			let attrbase = matchstr(context, ".*[\"']")
+			let attrquote = matchstr(attrbase, '.$')
+
+			for m in values
+				" This if is needed to not offer all completions as-is
+				" alphabetically but sort them. Those beginning with entered
+				" part will be as first choices
+				if m =~ '^'.entered_value
+					call add(res, m . attrquote.' ')
+				elseif m =~ entered_value
+					call add(res2, m . attrquote.' ')
+				endif
+			endfor
+
+			return res + res2
+
+		endif
+
+		if tag =~ '?xml'
+			" Two possible arguments for <?xml> plus variation
+			let attrs = ['encoding', 'version="1.0"', 'version']
+		elseif tag =~ '^!'
+			" Don't make completion at all
+			return []
+		else
+			let attrs = keys(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1])
+		endif
+
+		for m in sort(attrs)
+			if m =~ '^'.attr
+				if tag !~ '^[?!]' && len(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][m]) > 0 && g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][m][0] =~ '^BOOL$'
+					call add(res, m)
+				elseif m =~ '='
+					call add(res, m)
+				else
+					call add(res, m.'="')
+				endif
+			elseif m =~ attr
+				if tag !~ '^[?!]' && len(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][m]) > 0 && g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][m][0] =~ '^BOOL$'
+					call add(res, m)
+				elseif m =~ '='
+					call add(res, m)
+				else
+					call add(res2, m.'="')
+				endif
+			endif
+		endfor
+
+		return res + res2
+
+	endif
+	" Close tag
+	let b:unaryTagsStack = "base meta link hr br param img area input col"
+	if context =~ '^\/'
+		let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
+		return [opentag.">"]
+	endif
+
+	" Complete elements of XML structure
+	" TODO: #REQUIRED, #IMPLIED, #FIXED, #PCDATA - but these should be detected like
+	" entities - in first run
+	" keywords: CDATA, ID, IDREF, IDREFS, ENTITY, ENTITIES, NMTOKEN, NMTOKENS
+	" are hardly recognizable but keep it in reserve
+	" also: EMPTY ANY SYSTEM PUBLIC DATA
+	if context =~ '^!'
+		let tags = ['!ELEMENT', '!DOCTYPE', '!ATTLIST', '!ENTITY', '!NOTATION', '![CDATA[', '![INCLUDE[', '![IGNORE[']
+
+		for m in tags
+			if m =~ '^'.context
+				let m = substitute(m, '^!\[\?', '', '')
+				call add(res, m)
+			elseif m =~ context
+				let m = substitute(m, '^!\[\?', '', '')
+				call add(res2, m)
+			endif
+		endfor
+
+		return res + res2
+
+	endif
+
+	" Complete text declaration
+	let g:co = context
+	if context =~ '^?'
+		let tags = ['?xml']
+
+		for m in tags
+			if m =~ '^'.context
+				call add(res, substitute(m, '^?', '', ''))
+			elseif m =~ context
+				call add(res, substitute(m, '^?', '', ''))
+			endif
+		endfor
+
+		return res + res2
+
+	endif
+
+	" Deal with tag completion.
+	let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
+	let opentag = substitute(opentag, '^\k*:', '', '')
+
+	let tags = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[opentag][0]
+	let context = substitute(context, '^\k*:', '', '')
+
+	if b:xml_namespace == 'DEFAULT'
+		let b:xml_namespace = ''
+	else
+		let b:xml_namespace .= ':'
+	endif
+
+	for m in tags
+		if m =~ '^'.context
+			call add(res, b:xml_namespace.m)
+		elseif m =~ context
+			call add(res2, b:xml_namespace.m)
+		endif
+	endfor
+
+	return res + res2
+
+  endif
+endfunction
+
+" MM: This is greatly reduced closetag.vim used with kind permission of Steven
+"     Mueller
+"     Changes: strip all comments; delete error messages; add checking for
+"     namespace
+" Author: Steven Mueller <diffusor@ugcs.caltech.edu>
+" Last Modified: Tue May 24 13:29:48 PDT 2005 
+" Version: 0.9.1
+
+function! xmlcomplete#GetLastOpenTag(unaryTagsStack)
+	let linenum=line('.')
+	let lineend=col('.') - 1 " start: cursor position
+	let first=1              " flag for first line searched
+	let b:TagStack=''        " main stack of tags
+	let startInComment=s:InComment()
+
+	if exists("b:xml_namespace")
+		if b:xml_namespace == 'DEFAULT'
+			let tagpat='</\=\(\k\|[.-]\)\+\|/>'
+		else
+			let tagpat='</\='.b:xml_namespace.':\(\k\|[.-]\)\+\|/>'
+		endif
+	else
+		let tagpat='</\=\(\k\|[.-:]\)\+\|/>'
+	endif
+	while (linenum>0)
+		let line=getline(linenum)
+		if first
+			let line=strpart(line,0,lineend)
+		else
+			let lineend=strlen(line)
+		endif
+		let b:lineTagStack=''
+		let mpos=0
+		let b:TagCol=0
+		while (mpos > -1)
+			let mpos=matchend(line,tagpat)
+			if mpos > -1
+				let b:TagCol=b:TagCol+mpos
+				let tag=matchstr(line,tagpat)
+
+				if exists('b:closetag_disable_synID') || startInComment==s:InCommentAt(linenum, b:TagCol)
+					let b:TagLine=linenum
+					call s:Push(matchstr(tag,'[^<>]\+'),'b:lineTagStack')
+				endif
+				let lineend=lineend-mpos
+				let line=strpart(line,mpos,lineend)
+			endif
+		endwhile
+		while (!s:EmptystackP('b:lineTagStack'))
+			let tag=s:Pop('b:lineTagStack')
+			if match(tag, '^/') == 0		"found end tag
+				call s:Push(tag,'b:TagStack')
+			elseif s:EmptystackP('b:TagStack') && !s:Instack(tag, a:unaryTagsStack)	"found unclosed tag
+				return tag
+			else
+				let endtag=s:Peekstack('b:TagStack')
+				if endtag == '/'.tag || endtag == '/'
+					call s:Pop('b:TagStack')	"found a open/close tag pair
+				elseif !s:Instack(tag, a:unaryTagsStack) "we have a mismatch error
+					return ''
+				endif
+			endif
+		endwhile
+		let linenum=linenum-1 | let first=0
+	endwhile
+return ''
+endfunction
+
+function! s:InComment()
+	return synIDattr(synID(line('.'), col('.'), 0), 'name') =~ 'Comment'
+endfunction
+
+function! s:InCommentAt(line, col)
+	return synIDattr(synID(a:line, a:col, 0), 'name') =~ 'Comment'
+endfunction
+
+function! s:SetKeywords()
+	let g:IsKeywordBak=&iskeyword
+	let &iskeyword='33-255'
+endfunction
+
+function! s:RestoreKeywords()
+	let &iskeyword=g:IsKeywordBak
+endfunction
+
+function! s:Push(el, sname)
+	if !s:EmptystackP(a:sname)
+		exe 'let '.a:sname."=a:el.' '.".a:sname
+	else
+		exe 'let '.a:sname.'=a:el'
+	endif
+endfunction
+
+function! s:EmptystackP(sname)
+	exe 'let stack='.a:sname
+	if match(stack,'^ *$') == 0
+		return 1
+	else
+		return 0
+	endif
+endfunction
+
+function! s:Instack(el, sname)
+	exe 'let stack='.a:sname
+	call s:SetKeywords()
+	let m=match(stack, '\<'.a:el.'\>')
+	call s:RestoreKeywords()
+	if m < 0
+		return 0
+	else
+		return 1
+	endif
+endfunction
+
+function! s:Peekstack(sname)
+	call s:SetKeywords()
+	exe 'let stack='.a:sname
+	let top=matchstr(stack, '\<.\{-1,}\>')
+	call s:RestoreKeywords()
+	return top
+endfunction
+
+function! s:Pop(sname)
+	if s:EmptystackP(a:sname)
+		return ''
+	endif
+	exe 'let stack='.a:sname
+	call s:SetKeywords()
+	let loc=matchend(stack,'\<.\{-1,}\>')
+	exe 'let '.a:sname.'=strpart(stack, loc+1, strlen(stack))'
+	let top=strpart(stack, match(stack, '\<'), loc)
+	call s:RestoreKeywords()
+	return top
+endfunction
+
+function! s:Clearstack(sname)
+	exe 'let '.a:sname."=''"
+endfunction