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" 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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