1" Vim completion script
2" Language:	XHTML 1.0 Strict
3" Maintainer:	Mikolaj Machowski ( mikmach AT wp DOT pl )
4" Last Change:	2005 Sep 13
5
6function! htmlcomplete#CompleteTags(findstart, base)
7  if a:findstart
8    " locate the start of the word
9    let line = getline('.')
10    let start = col('.') - 1
11    while start >= 0 && line[start - 1] !~ '<'
12      let start -= 1
13    endwhile
14	let g:st = start
15    return start
16  else
17	" Set attribute groups
18    let g:coreattrs = ["id", "class", "style", "title"]
19    let g:i18n = ["lang", "xml:lang", "dir"]
20    let g:events = ["onclick", "ondblclick", "onmousedown", "onmouseup", "onmousemove",
21    			\ "onmouseout", "onkeypress", "onkeydown", "onkeyup"]
22    let g:focus = ["accesskey", "tabindex", "onfocus", "onblur"]
23    let g:coregroup = g:coreattrs
24    let g:coregroup = extend(g:coregroup, g:i18n)
25    let g:coregroup = extend(g:coregroup, g:events)
26    " find tags matching with "a:base"
27    let res = []
28	" If a:base contains > it means we are already outside of tag and we
29	" should abandon action
30	if a:base =~ '>'
31		return []
32	endif
33	" If a:base contains white space it is attribute.
34	" It could be also value of attribute...
35	" Possible situations where any prediction would be difficult:
36	" 1. Events attributes
37	if a:base =~ '\s'
38		" Sort out style, class, and on* cases
39		" Perfect solution for style would be switching for CSS completion. Is
40		" it possible?
41		" Also retrieving class names from current file and linked
42		" stylesheets.
43		if a:base =~ "\\(on[a-z]*\\|style\\|class\\)\\s*=\\s*[\"']"
44			let stripbase = matchstr(a:base, ".*\\(on[a-z]*\\|style\\|class\\)\\s*=\\s*[\"']\\zs.*")
45			" Now we have a:base stripped from all chars up to style/class.
46			" It may fail with some strange style value combinations.
47			if stripbase !~ "[\"']"
48				return []
49			endif
50		endif
51		" We have to get first word to offer
52		" proper attributes.
53		let tag = split(a:base)[0]
54		" Get last word, it should be attr name
55		let attr = matchstr(a:base, '.*\s\zs.*')
56		" If attr contains =\s*[\"'] we catched value of attribute
57		if attr =~ "=\s*[\"']"
58			" Let do attribute specific completion
59			let attrname = matchstr(attr, '.*\ze\s*=')
60			let entered_value = matchstr(attr, ".*=\\s*[\"']\\zs.*")
61			let values = []
62			if attrname == 'media'
63				let values = ["screen", "tty", "tv", "projection", "handheld", "print", "braille", "aural", "all"]
64			elseif attrname == 'xml:space'
65				let values = ["preserve"]
66			elseif attrname == 'shape'
67				if a:base =~ '^a\>'
68					let values = ["rect"]
69				else
70					let values = ["rect", "circle", "poly", "default"]
71				endif
72			elseif attrname == 'valuetype'
73				let values = ["data", "ref", "object"]
74			elseif attrname == 'method'
75				let values = ["get", "post"]
76			elseif attrname == 'frame'
77				let values = ["void", "above", "below", "hsides", "lhs", "rhs", "vsides", "box", "border"]
78			elseif attrname == 'rules'
79				let values = ["none", "groups", "rows", "all"]
80			elseif attrname == 'align'
81				let values = ["left", "center", "right", "justify", "char"]
82			elseif attrname == 'valign'
83				let values = ["top", "middle", "bottom", "baseline"]
84			elseif attrname == 'scope'
85				let values = ["row", "col", "rowgroup", "colgroup"]
86			elseif attrname == 'href'
87				" Now we are looking for local anchors defined by name or id
88				if entered_value =~ '^#'
89					let file = join(getline(1, line('$')), ' ')
90					" Split it be sure there will be one id/name element in
91					" item, it will be also first word [a-zA-Z0-9_-] in element
92					let oneelement = split(file, "\\(meta \\)\\@<!\\(name\\|id\\)\\s*=\\s*[\"']")
93					for i in oneelement
94						let values += ['#'.matchstr(i, "^[a-zA-Z][a-zA-Z0-9%_-]*")]
95					endfor
96				endif
97			elseif attrname == 'type'
98				if a:base =~ '^input'
99					let values = ["input-text", "password", "checkbox", "radio", "submit", "reset", "input-file", "hidden", "input-image", "input-button"]
100				elseif a:base =~ '^button'
101					let values = ["button", "submit", "reset"]
102				endif
103			else
104				return []
105			endif
106
107			if len(values) == 0
108				return []
109			endif
110
111			" We need special version of sbase
112			let attrbase = matchstr(a:base, ".*[\"']")
113
114			for m in values
115				if m =~ '^' . entered_value
116					call add(res, attrbase . m . '" ')
117				endif
118			endfor
119		endif
120		" Shorten a:base to not include last word
121		let sbase = matchstr(a:base, '.*\ze\s.*')
122		if tag =~ '^\(abbr\|acronym\|b\|bdo\|big\|caption\|cite\|code\|dd\|dfn\|div\|dl\|dt\|em\|fieldset\|h\d\|kbd\|li\|noscript\|ol\|p\|samp\|small\|span\|strong\|sub\|sup\|tt\|ul\|var\)$'
123			let attrs = g:coregroup
124		elseif tag == 'a'
125			let tagspec = ["charset", "type", "name", "href", "hreflang", "rel", "rev", "shape", "coords"]
126			let attrs = extend(tagspec, g:coregroup)
127			let attrs = extend(attrs, g:focus)
128		elseif tag == 'area'
129			let attrs = g:coregroup
130		elseif tag == 'base'
131			let attrs = ["href", "id"]
132		elseif tag == 'blockquote'
133			let attrs = g:coregroup
134			let attrs = extend(attrs, ["cite"])
135		elseif tag == 'body'
136			let attrs = g:coregroup
137			let attrs = extend(attrs, ["onload", "onunload"])
138		elseif tag == 'br'
139			let attrs = g:coreattrs
140		elseif tag == 'button'
141			let attrs = g:coreattrs
142			let attrs = extend(attrs, g:focus)
143			let attrs = extend(attrs, ["name", "value", "type"])
144		elseif tag == '^\(col\|colgroup\)$'
145			let attrs = g:coreattrs
146			let attrs = extend(attrs, ["span", "width", "align", "char", "charoff", "valign"])
147		elseif tag =~ '^\(del\|ins\)$'
148			let attrs = g:coreattrs
149			let attrs = extend(attrs, ["cite", "datetime"])
150		elseif tag == 'form'
151			let attrs = g:coreattrs
152			let attrs = extend(attrs, ["action", "method", "enctype", "onsubmit", "onreset", "accept", "accept-charset"])
153		elseif tag == 'head'
154			let attrs = g:i18n
155			let attrs = extend(attrs, ["id", "profile"])
156		elseif tag == 'html'
157			let attrs = g:i18n
158			let attrs = extend(attrs, ["id", "xmlns"])
159		elseif tag == 'img'
160			let attrs = g:coreattrs
161			let attrs = extend(attrs, ["src", "alt", "longdesc", "height", "width", "usemap", "ismap"])
162		elseif tag == 'input'
163			let attrs = g:coreattrs
164			let attrs = extend(attrs, g:focus)
165			let attrs = extend(attrs, ["type", "name", "value", "checked", "disabled", "readonly", "size", "maxlength", "src", "alt", "usemap", "onselect", "onchange", "accept"])
166		elseif tag == 'label'
167			let attrs = g:coreattrs
168			let attrs = extend(attrs, ["for", "accesskey", "onfocus", "onblur"])
169		elseif tag == 'legend'
170			let attrs = g:coreattrs
171			let attrs = extend(attrs, ["accesskey"])
172		elseif tag == 'link'
173			let attrs = g:coreattrs
174			let attrs = extend(attrs, ["charset", "href", "hreflang", "type", "rel", "rev", "media"])
175		elseif tag == 'map'
176			let attrs = g:i18n
177			let attrs = extend(attrs, g:events)
178			let attrs = extend(attrs, ["id", "class", "style", "title", "name"])
179		elseif tag == 'meta'
180			let attrs = g:i18n
181			let attrs = extend(attrs, ["id", "http-equiv", "content", "scheme", "name"])
182		elseif tag == 'title'
183			let attrs = g:i18n
184			let attrs = extend(attrs, ["id"])
185		elseif tag == 'object'
186			let attrs = g:coreattrs
187			let attrs = extend(attrs, ["declare", "classid", "codebase", "data", "type", "codetype", "archive", "standby", "height", "width", "usemap", "name", "tabindex"])
188		elseif tag == 'optgroup'
189			let attrs = g:coreattrs
190			let attrs = extend(attrs, ["disbled", "label"])
191		elseif tag == 'option'
192			let attrs = g:coreattrs
193			let attrs = extend(attrs, ["disbled", "selected", "value", "label"])
194		elseif tag == 'param'
195			let attrs = ["id", "name", "value", "valuetype", "type"]
196		elseif tag == 'pre'
197			let attrs = g:coreattrs
198			let attrs = extend(attrs, ["xml:space"])
199		elseif tag == 'q'
200			let attrs = g:coreattrs
201			let attrs = extend(attrs, ["cite"])
202		elseif tag == 'script'
203			let attrs = ["id", "charset", "type", "src", "defer", "xml:space"]
204		elseif tag == 'select'
205			let attrs = g:coreattrs
206			let attrs = extend(attrs, ["name", "size", "multiple", "disabled", "tabindex", "onfocus", "onblur", "onchange"])
207		elseif tag == 'style'
208			let attrs = g:coreattrs
209			let attrs = extend(attrs, ["id", "type", "media", "title", "xml:space"])
210		elseif tag == 'table'
211			let attrs = g:coreattrs
212			let attrs = extend(attrs, ["summary", "width", "border", "frame", "rules" "cellspacing", "cellpadding"])
213		elseif tag =~ '^\(thead\|tfoot\|tbody\|tr\)$'
214			let attrs = g:coreattrs
215			let attrs = extend(attrs, ["align", "char", "charoff", "valign"])
216		elseif tag == 'textarea'
217			let attrs = g:coreattrs
218			let attrs = extend(attrs, g:focus)
219			let attrs = extend(attrs, ["name", "rows", "cols", "disabled", "readonly", "onselect", "onchange"])
220		elseif tag =~ '^\(th\|td\)$'
221			let attrs = g:coreattrs
222			let attrs = extend(attrs, ["abbr", "headers", "scope", "rowspan", "colspan", "align", "char", "charoff", "valign"])
223		endif
224
225		for m in sort(attrs)
226			if m =~ '^' . attr
227				if m =~ '^\(ismap\|defer\|declare\|nohref\|checked\|disabled\|selected\|readonly\)$'
228					call add(res, sbase.' '.m)
229				else
230					call add(res, sbase.' '.m.'="')
231				endif
232			endif
233		endfor
234		return res
235	endif
236    for m in split("a abbr acronym address area b base bdo big blockquote body br button caption cite code col colgroup dd del dfn div dl dt em fieldset form head h1 h2 h3 h4 h5 h6 hr html i img input ins kbd label legend li link map meta noscript object ol optgroup option p param pre q samp script select small span strong style sub sup table tbody td textarea tfoot th thead title tr tt ul var")
237		if m =~ '^' . a:base
238			call add(res, m)
239		endif
240    endfor
241    return res
242  endif
243endfunction
244