ਮੌਡਿਊਲ:String2

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The module “String2” contains 4 available calls that convert strings to upper, lower, sentence or title case.

The sentence case function finds the first letter and capitalises that, so it works properly with text containing wiki-markup. Compare {{#invoke:String2|sentence|[[action game]]}} -> Action game with {{ucfirst:{{lc:[[action game]]}}}} -> action game. Piped wiki-links are handled as well: {{#invoke:String2|sentence|[[trimix (breathing gas)|trimix]]}} -> Trimix.

The title case function capitalises the first letter of each word in the text, apart from a number of short words recommended by The U.S. Government Printing Office Style Manual.

Further functions commonly used on strings would be useful additions.

Usage[ਸੋਧੋ]

{{#invoke:String2|upper|…}}
{{#invoke:String2|lower|…}}
{{#invoke:String2|sentence|…}}
{{#invoke:String2|title|…}}

Parameters[ਸੋਧੋ]

Just one unnamed parameter is used, representing the text to be converted to the required case.

Examples[ਸੋਧੋ]

Input Output
{{#invoke:String2| upper | abcd }} ABCD
{{#invoke:String2| upper | abCD }} ABCD
{{#invoke:String2| upper | ABcd }} ABCD
{{#invoke:String2| upper | ABCD }} ABCD
{{#invoke:String2| upper | }}
 
{{#invoke:String2| lower | abcd }} abcd
{{#invoke:String2| lower | abCD }} abcd
{{#invoke:String2| lower | ABcd }} abcd
{{#invoke:String2| lower | ABCD }} abcd
{{#invoke:String2| lower | }}
 
{{#invoke:String2| sentence | abcd }} Abcd
{{#invoke:String2| sentence | abCD }} Abcd
{{#invoke:String2| sentence | ABcd }} Abcd
{{#invoke:String2| sentence | ABCD }} Abcd
{{#invoke:String2| sentence | [[action game]] }} Action game
{{#invoke:String2| sentence | [[trimix (breathing gas)|trimix]] }} Trimix
{{#invoke:String2 | sentence | {{#invoke:WikidataIB |getValue |P136 |name=genre |fetchwikidata=ALL |qid=Q1396889}} }}
{{#invoke:String2| sentence | }}
 
{{#invoke:String2| title | abcd }} Abcd
{{#invoke:String2| title | abCD }} Abcd
{{#invoke:String2| title | ABcd }} Abcd
{{#invoke:String2| title | ABCD }} Abcd
{{#invoke:String2| title | }}
{{#invoke:String2| title | The Vitamins Are In My Fresh California Raisins}} The Vitamins Are in My Fresh California Raisins

See also[ਸੋਧੋ]

Module:String for the following functions:

  • len
  • sub
  • sublength
  • match
  • pos
  • str_find
  • find
  • replace
  • rep

local p = {}

p.upper = function(frame)
	local s = mw.text.trim(frame.args[1] or "")
	return string.upper(s)
end

p.lower = function(frame)
	local s = mw.text.trim(frame.args[1] or "")
	return string.lower(s)
end

p.sentence = function (frame )
	local s =  mw.text.trim( frame.args[1] or "" )
	if string.find(s, "^%[%[[^|]+|[^%]]+%]%]") then
		-- this is a piped wikilink, so we capitalise the text, not the pipe
		local b, c = string.find(s, "|%A*%a") -- find the first letter after the pipe
		return string.sub(s, 1, c-1) .. string.upper(string.sub(s, c, c)) .. string.sub(s, c+1)
	end
	local letterpos = string.find(s, '%a')
	if letterpos then
		local first = string.sub(s, 1, letterpos - 1)
		local letter = string.sub(s, letterpos, letterpos)
		local rest = string.sub(s, letterpos + 1)
		return first .. string.upper(letter) .. string.lower(rest)
	else
		return s
	end
end

p.title = function (frame )
	-- http://grammar.yourdictionary.com/capitalization/rules-for-capitalization-in-titles.html
	-- recommended by The U.S. Government Printing Office Style Manual:
	-- "Capitalize all words in titles of publications and documents,
	-- except a, an, the, at, by, for, in, of, on, to, up, and, as, but, or, and nor."
	local alwayslower = {['a'] = 1, ['an'] = 1, ['the'] = 1, 
		['and'] = 1, ['but'] = 1, ['or'] = 1, ['for'] = 1,
		['nor'] = 1, ['on'] = 1, ['in'] = 1, ['at'] = 1, ['to'] = 1,
		['from'] = 1, ['by'] = 1, ['of'] = 1, ['up'] = 1 }
	local res = ''
	local s =  mw.text.trim( frame.args[1] or "" )
	local words = mw.text.split( s, " ")
	for i, s in ipairs(words) do
		s = string.lower( s )
		if( i > 1 ) then
			if( alwayslower[s] ~= 1 ) then
				s = mw.getContentLanguage():ucfirst(s)
			end
		else
			s = mw.getContentLanguage():ucfirst(s)
		end
		words[i] = s
	end
	return table.concat(words, " ")
end

return p