Module:Excerpt: Difference between revisions

Revision as of 09:16, 12 January 2019

Revision as of 11:21, 12 January 2019

Line 181:

for position, altText in mw.ustring.gmatch(text, "|%s*[Aa][Ll][Tt]%s*=%s*()([^\n]*)") do

if altText then

-- altText is terminated by }} or |, but first skip any matched [[...]] and {{...}}

local lookfrom = math.max( -- find position after whichever comes last: start of string, end of last ]] or end of last }}

mw.ustring.findmatch(altText, ".*{%b{}}()") or 1, -- if multiple {{...}}, .* consumes all but one, leaving the last for %b

mw.ustring.findmatch(altText, ".*%[%b[]%]()") or 1)

local len = mw.ustring.len(altText)

local aftertext = math.min( -- find position after whichever comes first: end of string, }} or |

mw.ustring.findmatch(altText, "()}}", lookfrom) or len+1,

mw.ustring.findmatch(altText, "()|", lookfrom) or len+1)

altText = mw.ustring.sub(altText, 1, aftertext-1) -- chop off |... or }}... which is not part of [[...]] or {{...}}

Line 558 ⟶ 559:

text = mw.ustring.gsub(text, "%[(%b[])%]", "\27[\27%1\27]\27");

until text == t

text = text.gsub(text, "([{}%[%]])%1[^\27].*", ""); -- remove unmatched {{, }}, [[ or ]] and everything thereafter, avoiding ]E]]E] etc.

text = mw.ustring.gsub(text, "\27", ""); -- unhide matched pairs: E{E{ → {{, ]E]E → ]], etc.