Modul:Zeichen

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verwendete Moduln:
SimpleStruct
SimpleDataAccess
Zeichenfolge
Vorlagenprogrammierung Diskussionen Lua Unterseiten
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Modul: Dokumentation

Diese Seite enthält Code in der Programmiersprache Lua. Einbindungszahl Cirrus


--[=[ Zeichen 2022-06-12
Data Management Module for Access from Within Templates and Other Modules
providing infos for signs usually using unicode for display
Author: Vollbracht
* data()	Wikidata information for current sign in table form
* short()	Sitelink (or Label) + codepoint by Wikidata qualifier (pair of td)
* byQ()		data for a list of signs (not unicode representations!) given by
			Wikidata qualifiers
]=]
	
--Module globals
local p = {service = {}}

local _, Parser = pcall(require, "Modul:SimpleStruct")

--[[
	mainsnak value
	returns the first value of a property for a given qualifier
	If value is a table it is assumed to contain another qualifier and its
	label is returned. Otherwise the value itself is returned
]]
local MSValue = function(qualifier, property)
	local statementList = mw.wikibase.getBestStatements(qualifier, property)
	if statementList[1] == nil then return "" end
	local result = statementList[1]["mainsnak"]["datavalue"]["value"]
	if type(result) == 'table' then
		if result["id"] then return mw.wikibase.getLabel(result["id"]) end
		return ""
	end
	return result
end

--[[
	ucp(qual)
	returns unicode codepoint for a Wikidata sign object pointing to one or more
	Wikidata unicode objects given by a Wikidata Qualifier string like "Q1234"
	given in qual.
]]
local ucp = function(qual)
	local uniQraw = mw.wikibase.getBestStatements(qual, "P1299")
	if uniQraw[1] then
		local unicodeQ = uniQraw[1]["mainsnak"]["datavalue"]["value"]["id"]
		return MSValue(unicodeQ, "P4213")
	end
	return ""
end

--[[
	short(qual)
	returns a table of two elements:
	1.	Sitelink (or Label if Sitelink unavailable)
	2.	unicode codepoint or table of unicode codepoints
]]
p.service.short = function(qual)
	local rawChar = mw.wikibase.getSitelink(qual)
	if rawChar == nil then
		rawChar = mw.wikibase.getLabel(qual)
	end
	if rawChar == nil then
		return {"Fehler", "20; Bitte nur für Zeichenbeschreibung mit Wikidata einsetzen! [[Kategorie:Wikipedia:Qualitätssicherung Vorlageneinbindung fehlerhaft]] "}
	end
	local codepoint = ucp(qual)
	if codepoint == "" then
		-- Todo: sequences to be handled here!
		return {rawChar, "0020"}
	end
	return {rawChar, codepoint}
end

--[[
	{{Zeichen|short|qual|charStyle}}
	returns a set of 2 <td> elements containing Sitelink or Label and character
	or characters defined by <qual>
]]
p.short = function(qual, charStyle)
	local raw = p.service.short(qual)
	local chS = charStyle
	if chS == nil then chS = "" end
	result = "<td>[[" .. raw[1] .. "]]</td><td " .. chS .. ">"
	if type(raw[2]) == "string" then
		return result .. "&#x" .. raw[2] .. ";</td>"
	end
	
end

--[[
	shortList(qList, charStyle)
	returns a table of 2 columns of short(qual, charStyle) listing all
	occurences of Wikidata qualifiers within qList string currently devided by
	an additional empty column
]]
local shortList = function(qList, charStyle)
	local list = {}
	for qual in qList:gmatch('[qQ]%d+') do
		table.insert(list, p.short(qual, charStyle))
	end
	if list[1] == nil then
		return ""
	end
	local delims = {
		'</tr><tr>',
		'<td>&nbsp;</td>',
		'',
		'<td>&nbsp;</td><td></td><td></td>'
	}
	local result = '<table style="width:100%;"><tr>'
	for i, v in ipairs(list) do
		result = result .. v
		if i == #list then
			result = result .. delims[i%2+3]
		else
			result = result .. delims[i%2+1]
		end
	end
	return result .. '</tr></table>'
end

--[[
	listOfShortLists(structureCode)
	returns a structure of pairs of list labels and list data strings
	structureCode may be:
		list of character qualifiers:
			Q1234 Q4567 Q7891
		labels altering with qualifier lists
			{label row} {label row} {Q1234 Q4567 Q7891}
			{label row} {Q1234 Q4567 Q7891}
		pairs of label and list where label may be given by qualifier
			{{Q147}, {Q1234 Q4567 Q7891}}
			{{Q258}, {Q1234 Q4567 Q7891}}
			{{label},{Q1234 Q4567 Q7891}}
		lists with labels (unpredictable order of lists; however each list is
		inernally ordered predictably)
			label1{Q1234 Q4567 Q7891}}
			label2{Q1234 Q4567 Q7891}}
	result is a list
		{
			{label, "Q1234 Q4567 Q7891"},
			{label, "Q1234 Q4567 Q7891"},
			{label, "Q1234 Q4567 Q7891"}
		}
		wherein label may be empty.
]]
p.service.listOfShortLists = function(structureCode)
	local lists = Parser.parse(structureCode)
	if lists[1] == structureCode then
		return {{"", structureCode}}
	end
	local result = {}
	local head = ""
	for i, pair in ipairs(lists) do
		t = type(pair) -- should be {{label} {list}}
		if t == "string" then
			-- handle {label row} and {list} elements (preffered syntax)
			if pair:find('[qQ]%d+') == nil then
				if head == "" then
					head = pair
				else
					head = head .. '<br />' .. pair
				end
			else
				table.insert(result, {head, pair}) mw.log('155')
				head = ""
			end
		elseif t == "table" then
			if pair[1] == nil then
				-- handle table of label{list} elements (no preffered syntax)
				for label, list in pairs(pair) do
					table.insert(result, {label, list})
				end
			else
				-- handle {{label} {list}} elements
				local labelQ = pair[1]:match('[qQ]%d+')
				if labelQ == "" then
					table.insert(result, pair)
				else
					table.insert(result, {mw.wikibase.getLabel(labelQ), pair[2]})
				end
			end
		end
	end
	return result
end

--[[
	{{Zeichen|listOfShortLists|
		structureCode| tableStyles| thStyles| charStyles)}}
]]
local LoSlCore = function(structureCode, thStyles, charStyles)
	if structureCode == nil then return "" end
	local source = p.service.listOfShortLists(structureCode)
	local thS = thStyles
	if thS == nil then thS = "" end
	local chS = charStyles
	if chS == nil then thS = "" end
	if #source == 0 then return "" end
	local result = ""
	mw.logObject(source)
	for i, pair in ipairs(source) do
		mw.log('191 Element ' .. i)
		mw.logObject(pair)
		if pair[1] ~= "" then
			result = result .. '<tr><th colspan="2" ' .. thS .. '>'
			result = result .. pair[1] .. '</th></tr>'
		end
		result = result .. '<tr><td colspan="2">'
		result = result .. shortList(pair[2], chS) .. '</td></tr>'
	end
	return result
end

-- now surround this for export:
p.listOfShortLists = function(structureCode, tableStyles, thStyles, charStyles)
	local source = p.service.listOfShortLists(structureCode)
	local core = LoSlCore(structureCode, thStyles, charStyles)
	if core == "" then return "" end
	return '<table ' .. tableStyles .. '>' .. core .. '</table>'
end

--[[
	data() / service.data()
	returns wikidata information for current page containing unicode information
	if available
]]
p.service.data = function()
	local result = {}
	result.label = mw.wikibase.getLabel()
	result.description = mw.wikibase.getDescription()
	local character = mw.wikibase.getEntity()
	if character == nil then
		return {
			label="Fehler",
			description="Bitte nur auf Seiten zur Zeichenbeschreibung mit Wikidata einsetzen! [[Kategorie:Wikipedia:Qualitätssicherung Vorlageneinbindung fehlerhaft]]",
			code = "",
			block = ""
		}
	end
	local uniQraw = character["claims"]["P1299"]
	if uniQraw == nil then
		result.code = ""
		result.block = ""
	else
		local unicodeQ = uniQraw[1]["mainsnak"]["datavalue"]["value"]["id"]
		result.block = MSValue(unicodeQ, "P5522")
		result.name = MSValue(unicodeQ, "P9382")
		result.code = MSValue(unicodeQ, "P4213")
	end
	return result
end

--[[
	language specific function returning table with German headers
	description in German:
	
	Zeichen|data|<Parameter>
	gibt in eine Tabelle wikidata-Informationen zur aktuellen Seite zurück
	Parameter:
		tableStyles=<string>
			Zeichenkette nach dem Schema 'class="<Liste>" style="<styles>"'
			optional
		thStyles=<string>
			Zeichenkette nach dem Schema 'class="<Liste>" style="<styles>"'
			optional
		charStyles=<string>
			Zeichenkette nach dem Schema 'class="<Liste>" style="<styles>"'
			optional, default: 'style="font-size:250%;"'
		addRows=<Liste>
			eine Liste von zusätzlichen Zeilen nach dem Schema
			'Name{<Wert>}'
			die Elemente können durch Leerzeichen, Zeilenumbrüche, etc.
			separiert sein. Werte dürfen keine geschweiften Klammern
			enthalten.
		rvStyles=<string>
			Zeichenkette nach dem Schema 'class="<Liste>" style="<styles>"'
			für die Werte der addRows
			optional
]]
p.data = function(frame)
	local source = p.service.data()
	local result = '<table '
	local charStyles = 'style="font-size:250%;"'
	if frame.args.charStyles then
		charStyles = frame.args.charStyles
	end mw.log('282 OK')
	local list = LoSlCore(frame.args.addList, frame.args.thStyles, charStyles)
	if frame.args.tableStyles then
		result = result .. frame.args.tableStyles
	else
		result = result .. 'class="float-right infobox toptextcells toccolours"'
		result = result .. ' cellspacing="5"'
		--mw.log('284f: list')
		--mw.logObject(list)
		if list == "" then
			result = result .. ' style="width:240px;"'
		else
			result = result .. ' style="width:300px;"'
		end
	end
	result = result .. '><tr><th colspan="2"'
	if frame.args.thStyles ~= nil then
		result = result .. frame.args.thStyles
	end
	result = result .. '>' .. source.label .. ':<br />' .. source.description
	result = result .. '</th></tr><tr>'
	if source.code == "" then
		result = result .. '<td colspan="2">(kein unicode Zeichen)'
	else
		result = result .. '<td style="vertical-align: middle;">Zeichen:</td>'
		result = result .. '<td ' .. charStyles .. '>&#x' .. source.code .. ';'
		result = result .. '</td></tr><tr><td>Codepunkt:</td>'
		result = result .. '<td>U+' .. source.code
		result = result .. '</td></tr><tr><td>Unicode-Name:</td><td>'
		result = result .. source.name
		result = result .. '</td></tr><tr><td>Codeblock:</td><td>'
		result = result .. frame:preprocess('[[' .. source.block .. ']]')
	end
	result = result .. '</td></tr>'
	if frame.args.addRows then
		local rows = Parser.parse(frame.args.addRows)
		if rows ~= nil then
			for h, v in pairs(rows) do
				result = result .. '<tr>'
				result = result .. '<td style="vertical-align: middle;">' .. h
				result = result .. '</td><td ' .. frame.args.rvStyles .. '>'
				result = result .. v[1] .. '</td></tr>'
			end
		end
	end
	if list ~= "" then
		if frame.args.addListTitle then
			result = result .. '<tr><th colspan="2" '
			if frame.args.thStyles ~= nil then
				result = result .. frame.args.thStyles
			end
			result = result .. '>' .. frame.args.addListTitle .. '</th></tr>'
		end
		result = result .. list
	end
	result = result .. '</table>'
	return result
end

--[[
	byQ(QualifierList) / service.byQ(QualifierList)
	returns a struct (table) containing signs with some of their wikidata infos,
	especially their unicode representations if available
	QualifierList	list of qualifiers with remarks in the form 'Q1234{remark}'
					all entries may be separated by white spaces (even line
					breaks) and remarks can be structs themselves, however if a
					remark is more than a simple string p.byQ() won't be able to
					format this correctly.
]]
p.service.byQ = function(QualifierList)
	local qualifiers = Parser.parse(QualifierList)
	local result = {}
	for q, r in pairs(qualifiers) do
		local qual = q:match('[qQ]%d+')
		if qual then
			local resultElm = {remark=r[1]}
			resultElm.label = mw.wikibase.getSitelink(qual)
			if resultElm.label == nil then
				resultElm.label = mw.wikibase.getLabel(qual)
			end
			resultElm.description = mw.wikibase.getDescription(qual)
			local uniQraw = mw.wikibase.getBestStatements(qual, "P1299")
			if uniQraw[1] then
				local unicodeQ = uniQraw[1]["mainsnak"]["datavalue"]["value"]["id"]
				resultElm.block = MSValue(unicodeQ, "P5522")
				resultElm.name = MSValue(unicodeQ, "P9382")
				resultElm.code = MSValue(unicodeQ, "P4213")
			else
				resultElm.block = ""
				resultElm.name = ""
				resultElm.code = ""
			end
			table.insert(result, resultElm)
		end
	end
	return result
end

--[[
	language specific function returning table with German headers
	description in German:
	
	Zeichen|byQ|<Parameter>
	gibt eine Tabelle aller in den Parametern angegebenen Zeichen zurück
	Parameter:
		QualifierList=<Liste>
			eine Liste von Elementen nach dem Schema 'Q1234{<Anmerkung>}'
			die Elemente können durch Leerzeichen, Zeilenumbrüche, etc.
			separiert sein. Anmerkungen dürfen keine geschweiften Klammern
			enthalten.
		tableStyles=<string>
			Zeichenkette nach dem Schema 'class="<Liste>" style="<styles>"'
			optional
		thStyles=<string>
			Zeichenkette nach dem Schema 'class="<Liste>" style="<styles>"'
			optional
		charStyles=<string>
			Zeichenkette nach dem Schema 'class="<Liste>" style="<styles>"'
			optional, default: 'style="font-size:250%;"'
		remarkLabel=<string>
			Bezeichner als Spaltenkopf für die Anmerkungen
]]
p.byQ = function(frame)
	local list = frame.args.QualifierList
	if list == nil then return "" end
	if list == "" then return "" end
	local source = p.service.byQ(list)
	if source == {} then return "" end
	local result = "<table"
	if frame.args.tableStyles ~= nil then
		result = result .. ' ' .. frame.args.tableStyles
	end
	result = result .. '><tr>'
	local thTag = "<th"
	if frame.args.tableStyles ~= nil then
		thTag = thTag .. ' ' .. frame.args.tableStyles .. '>'
	else
		thTag = thTag .. '>'
	end
	result = result .. thTag .. 'Name</th>' .. thTag .. 'Beschreibung</th>'
	result = result .. thTag .. 'Zeichen</th>' .. thTag .. 'Codepunkt</th>'
	result = result .. thTag .. 'Unicode-Name</th>'
	result = result .. thTag .. 'Codeblock</th>' .. thTag
	if frame.args.remarkLabel then
		result = result .. frame.args.remarkLabel .. '</th></tr>'
	else
		result = result .. 'Anmerkung</th></tr>'
	end
	for ign1, row in ipairs(source) do
		result = result .. '<tr><td>'
		result = result .. frame:preprocess('[[' .. row.label .. ']]')
		result = result .. '</td><td>' .. row.description .. '</td><td '
		if row.code == "" then
			result = result .. 'colspan="4">(kein unicode Zeichen)</td><td>'
		else
			if frame.args.charStyles then
				result = result .. frame.args.charStyles
			else
				result = result .. 'style="font-size:250%;"'
			end
			result = result .. '>&#x' .. row.code .. ';</td><td>U+'
			result = result .. row.code .. '</td><td>'
			result = result .. row.name .. '</td><td>'
			result = result .. frame:preprocess('[[' .. row.block .. ']]')
			result = result .. '</td><td>'
		end
		result = result .. frame:preprocess(row.remark) .. '</td></tr>'
	end
	result = result .. '</table>'
	return result
end

return p