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xmlcomplete.vim
" Vim completion script " Language: XML " Maintainer: Mikolaj Machowski ( mikmach AT wp DOT pl ) " Last Change: 2013 Jun 29 " Version: 1.9 " " Changelog: " 1.9 - 2007 Aug 15 " - fix closing of namespaced tags (Johannes Weiss) " 1.8 - 2006 Jul 18 " - allow for closing of xml tags even when data file isn't available " 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 in ftplugin/xml.vim " 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 curline = line('.') 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)] if b:compl_context !~ '<[^>]*$' " Look like we may have broken tag. Check previous lines. Up to " 10? let i = 1 while 1 let context_line = getline(curline-i) if context_line =~ '<[^>]*$' " Yep, this is this line let context_lines = getline(curline-i, curline-1) + [b:compl_context] let b:compl_context = join(context_lines, ' ') break elseif context_line =~ '>[^<]*$' || i == curline " Normal tag line, no need for completion at all " OR reached first line without tag at all let b:compl_context = '' break endif let i += 1 endwhile " Make sure we don't have counter unlet! i endif let b:compl_context = matchstr(b:compl_context, '.*\zs<.*') " Make sure we will have only current namespace unlet! b:xml_namespace let b:xml_namespace = matchstr(b:compl_context, '^<\zs\k*\ze:') if b:xml_namespace == '' let b:xml_namespace = 'DEFAULT' endif return start else " Initialize base return lists let res = [] let res2 = [] " a:base is very short - we need context if len(b:compl_context) == 0 && !exists("b:entitiescompl") return [] endif let context = matchstr(b:compl_context, '^<\zs.*') unlet! b:compl_context " There is no connection of namespace and data file. if !exists("g:xmldata_connection") || g:xmldata_connection == {} " There is still possibility we may do something - eg. close tag let b:unaryTagsStack = "base meta link hr br param img area input col" if context =~ '^\/' let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack") return [opentag.">"] else return [] endif endif " Make entities completion if exists("b:entitiescompl") unlet! b:entitiescompl if !exists("g:xmldata_entconnect") || g:xmldata_entconnect == 'DEFAULT' let values = g:xmldata{'_'.g:xmldata_connection['DEFAULT']}['vimxmlentities'] else let values = g:xmldata{'_'.g:xmldata_entconnect}['vimxmlentities'] endif " Get only lines with entity declarations but throw out " parameter-entities - they may be completed in future let entdecl = filter(getline(1, "$"), '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 if len(a:base) == 1 for m in values if m =~ '^'.a:base call add(res, m.';') endif endfor return res else for m in values if m =~? '^'.a:base call add(res, m.';') elseif m =~? a:base call add(res2, m.';') endif endfor return res + res2 endif 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*[\"']" || attr =~ "=\s*$" " Let do attribute specific completion let attrname = matchstr(attr, '.*\ze\s*=') let entered_value = matchstr(attr, ".*=\\s*[\"']\\?\\zs.*") if tag =~ '^[?!]' " Return nothing if we are inside of ! or ? tag return [] else if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, tag) && has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1], attrname) let values = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][attrname] else return [] endif endif if len(values) == 0 return [] endif " We need special version of sbase let attrbase = matchstr(context, ".*[\"']") let attrquote = matchstr(attrbase, '.$') if attrquote !~ "['\"]" let attrquoteopen = '"' let attrquote = '"' else let attrquoteopen = '' endif 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, attrquoteopen . m . attrquote.' ') elseif m =~ entered_value call add(res2, attrquoteopen . 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 if !has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, tag) " Abandon when data file isn't complete return [] endif let attrs = keys(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1]) endif for m in sort(attrs) if m =~ '^'.attr call add(res, m) elseif m =~ attr call add(res2, m) endif endfor let menu = res + res2 let final_menu = [] if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, 'vimxmlattrinfo') for i in range(len(menu)) let item = menu[i] if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'], item) let m_menu = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'][item][0] let m_info = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'][item][1] else let m_menu = '' let m_info = '' endif if tag !~ '^[?!]' && len(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][item]) > 0 && g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][item][0] =~ '^\(BOOL\|'.item.'\)$' let item = item else let item .= '="' endif let final_menu += [{'word':item, 'menu':m_menu, 'info':m_info}] endfor else for i in range(len(menu)) let item = menu[i] if tag !~ '^[?!]' && len(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][item]) > 0 && g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][item][0] =~ '^\(BOOL\|'.item.'\)$' let item = item else let item .= '="' endif let final_menu += [item] endfor endif return final_menu 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 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*:', '', '') if opentag == '' "return [] let tags = keys(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}) call filter(tags, 'v:val !~ "^vimxml"') else if !has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, opentag) " Abandon when data file isn't complete return [] endif let tags = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[opentag][0] endif let context = substitute(context, '^\k*:', '', '') for m in tags if m =~ '^'.context call add(res, m) elseif m =~ context call add(res2, m) endif endfor let menu = res + res2 if b:xml_namespace == 'DEFAULT' let xml_namespace = '' else let xml_namespace = b:xml_namespace.':' endif if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, 'vimxmltaginfo') let final_menu = [] for i in range(len(menu)) let item = menu[i] if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'], item) let m_menu = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'][item][0] let m_info = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'][item][1] else let m_menu = '' let m_info = '' endif let final_menu += [{'word':xml_namespace.item, 'menu':m_menu, 'info':m_info}] endfor else let final_menu = map(menu, 'xml_namespace.v:val') endif return final_menu endif endfunction " MM: This is severely 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\|String' endfunction function! s:InCommentAt(line, col) return synIDattr(synID(a:line, a:col, 0), 'name') =~ 'Comment\|String' endfunction function! s:SetKeywords() let s:IsKeywordBak=&l:iskeyword let &l:iskeyword='33-255' endfunction function! s:RestoreKeywords() let &l:iskeyword=s: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 " vim:set foldmethod=marker:
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