Module:Sandbox/Alex 21: Difference between revisions
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local p = {} |
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local escape = require("Module:String")._escapePattern |
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function trimspaces(s) |
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return string.gsub(s, "^%s*(.-)%s*$", "%1") |
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end |
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local function getTitle(title) |
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local success, titleObj = pcall(mw.title.new, title) |
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if success then return titleObj |
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else return nil end |
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end |
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function p.main(frame) |
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local args = require('Module:Arguments').getArgs(frame, { |
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wrappers = 'Template:Template parameter value' |
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}) |
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local template = escape(args[2]) |
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local parameter = escape(args[4]) |
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local numberedParameter = (tonumber(parameter) ~= nil) |
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local templateCount = 0 |
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local parameterCount = 0 |
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local templateMatch = tonumber(args[3] or 1) |
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local parameterMatch = tonumber(args[5] or 1)*(numberedParameter and parameter or 1) |
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local targettitle = getTitle(args[1]) |
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if targettitle == nil then return "" end |
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local content = string.gsub(targettitle:getContent() or "", "[\r\n]", "") |
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while templateCount ~= templateMatch do |
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if content == nil then return "" end |
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content = string.match(content, '{{' .. template .. "(.+)") |
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templateCount = templateCount + 1 |
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end |
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while parameterCount ~= parameterMatch do |
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if content == nil then return "" end |
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content, content_rest = string.match(content, '|%s*' .. (numberedParameter and "" or (parameter .. '%s*=%s*')) .. '([^|]*)(.*)') |
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while string.match(content, '^[^%]]*%[%[[^%]]+$') or string.match(content, '^[^%}]*%{%{[^%}]+$') do |
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content_match, content_rest = string.match(content_rest, '(.[^|]*)(.*)') |
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content = content .. content_match |
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end |
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parameterCount = parameterCount + 1 |
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end |
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content = string.match(content, '^([^%{]*)%}%}') or content |
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content = string.match(content, '^(.+)%{%{[^%}]*$') or content |
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local _, countL = string.gsub(content, "%{%{", "") |
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local _, countR = string.gsub(content, "%}%}", "") |
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local countDiff = math.abs(countL-countR) |
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while countDiff > 0 do |
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content = string.match(content, '^(.*)%}%}$') or content |
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countDiff = countDiff - 1 |
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end |
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if content == nil then return "" end |
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content = string.gsub(content, "</?%a*include%a*>", "") |
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content = string.gsub(content, "^%d+=", "") |
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content = frame:preprocess{text = content} |
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content = trimspaces(content) |
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return content |
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end |
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return p |
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Revision as of 07:20, 7 March 2023
