Модуль:Size

    Матеріал з Релігія в огні

    Документацію для цього модуля можна створити у Модуль:Size/документація

    --[[
      __  __           _       _        ____  _         
     |  \/  | ___   __| |_   _| | ___ _/ ___|(_)_______ 
     | |\/| |/ _ \ / _` | | | | |/ _ (_)___ \| |_  / _ \
     | |  | | (_) | (_| | |_| | |  __/_ ___) | |/ /  __/
     |_|  |_|\___/ \__,_|\__,_|_|\___(_)____/|_/___\___|
                                                        
    Authors and maintainers:
    * User:Zolo   - original draft
    * User:Jarekt - original version
    ]]
    require('strict')
    local core      = require('Module:Core')
    local formatnum = require "Module:Formatnum".formatNum
    local createTag = require('Module:TagQS').createTag
    
    -- ==================================================
    -- === global parameters  ===========================
    -- ==================================================
    
    --  arrays for unit conversion   3     4     5     6     7       8       9        10     11  12    13   14       15
    local unitMult   = {1e-9, 1e-6, 1e-3, 1e-2,  1  , 1e3 , 0.0254, 0.3048, 0.9144, 1609.344, 1, 1e3, 1e6, 28.3495, 453.592, 1}  -- conversion to meters
    local unitList   = {'nm', 'um', 'mm', "cm", "m" , "km", "in"  , "ft"  , "yd"  , "mi",    "g", "kg", "t", "oz", "lb", "ct" }   -- units handled by this module
    local unitType   = {'m' , 'm' , 'm' , 'm' , 'm' , 'm' , 'i'   , 'i'   , 'i'   , 'i' ,    'm', 'm' , 'm', 'i' , 'i', ''    }   -- m for metric and i for imperial
    local unitItem   = {nm='Q178674', um='Q175821', mm='Q174789', cm='Q174728', m='Q11573', km='Q828224',     -- used for unit abbreviation translation
                        ['in']='Q218593', ft='Q3710', yd='Q482798', mi='Q253276', kg='Q11570', g='Q41803', t='Q191118', oz='Q48013', lb="Q100995", ct="Q261247" }
    -- properties used for harvesting the wikidata 	and item IDs are used for translating dimension's name									
    local dimProp = { length='P2043' , height='P2048'  , width='P2049' , depthH='P5524',    depthV='P4511'  , thickness='P2610'   , diameter='P2386' , radius='P2120'  , perimeter='P2547' , weight='P2067'}
    local dimName = { length='Q36253', height='Q208826', width='Q35059', depthH='Q3250078', depthV='Q930412', thickness='Q3589038', diameter='Q37221', radius='Q173817', perimeter='Q28474', weight='Q11423'} 
    
    local	aliases    = { -- aliases for units used to unify
    	Q178674="nm", nm="nm", nanometer="nm",	nanometers= "nm", nanometre="nm", nanometres="nm",
    	Q175821="um",	um="um", ["µm"]="um", micrometer="um", micrometers="um", micrometre="um", micrometres="um",
    	Q200323="dm", dm="dm", decimeter="dm", decimeters="dm", decimetre="dm", decimetres="dm",
    	Q174789="mm", mm="mm", millimeter="mm", millimeters="mm", millimetre="mm", millimetres="mm",
    	Q174728="cm", cm="cm", centimeter="cm", centimeters="cm", centimetre="cm", centimetres="cm",
    	Q11573="m", m="m", meter="m", meters="m", metre="m", metres="m", 
    	Q828224="km", km="km", kilometer="km", kilometers="km", kilometre="km", kilometres="km",
    	Q218593="in", ["in"]="in", inch="in", inches="in", Q61771670="in",
    	Q3710="ft", ft="ft", foot="ft", feet="ft", 
    	Q482798="yd", yd="yd", yard="yd", yards="yd", Q61756607="yd",
    	Q253276="mi", mi="mi", mile="mi", miles="mi",
    	Q93318="nmi", nmi="nmi", ["nautic mile"]="nmi", ["nautic miles"]="nmi",
    	Q11570="kg", kilogram="kg", kilograms="kg", kg="kg",
    	Q41803="g", gram="g", grams="g", g="g",
    	Q191118="t", tonne="t", tonnes="t", ton="t", tons="t", ["metric ton"]="t", t="t", 
    	Q48013="oz", ounce="oz", oz="oz", 
    	Q100995="lb", pound="lb", pounds="lb", lb="lb",
    	Q261247="ct", carat="ct", ct="ct"
    }
    
    -- ==================================================
    -- === Internal functions ===========================
    -- ==================================================
    
    -------------------------------------------------------------------------------
    local function getBareLabel(id1, id2, userLang) 
    -- code equivalent to require("Module:Wikidata label")._getLabel with Wikidata=- option
    	local label, link
    	-- build language fallback list
    	local langList = mw.language.getFallbacksFor(userLang)
    	table.insert(langList, 1, userLang)
    	for _, lang in ipairs(langList) do  -- loop over language fallback list looking for label in the specific language
    		label = mw.wikibase.getLabelByLang(id1, lang)
    		if not label and id2 then 
    			label = mw.wikibase.getLabelByLang(id2, lang)
    		end
    		if label then break end  -- label found and we are done
    	end	
    	return label or id
    end
    
    -------------------------------------------------------------------------------
    local function translateProperty(item, prop, lang)
    	local n, title = 0, {}
    	for _, statement in pairs( mw.wikibase.getBestStatements( item, prop )) do 
    		if (statement.mainsnak.snaktype == "value") then 
    			local val = statement.mainsnak.datavalue.value
    			title[val.language] = val.text -- look for multiple values each with a language code
    			n = n+1;
    		end
    	end
    	if n>0 then
    		return core.langSwitch(title, lang)
    	end
    end
    
    -------------------------------------------------------------------------------
    local function findInArray(str, list)
    	for k, v in ipairs(list) do
    		if v==str then                -- match units with the list
    			return k;
    		end
    	end	
    	return nil
    end
    
    -------------------------------------------------------------------------------
    local function formatNum( value, lang, precision )
    	assert(value, "Input value is nil")
    	assert(precision, "Input precision is nil")
    	local str = formatnum( value, lang, precision )
    	str = mw.ustring.gsub(str, "[,%.]0+$", "") -- remove trailing zeros
    	return str
    end
    
    -------------------------------------------------------------------------------
    --[[
    INPUTS:
    * v - size in meters
    * unitMult - array used to convert meters to other units
    * iMin, iMax - min and max index of unitMult array to use
    ]]
    local function niceNumber(v, iMin, iMax)
    	local s = 10; -- scaling parameter. Means that "nice" numbers are in units that give the smallest number bigger than s
    	if v<s*unitMult[iMin] then
    			return iMin  -- will show as fractions of the smallest unit
    	end
    	for k = iMin,iMax-1 do
    		if v>=s*unitMult[k] and v<s*unitMult[k+1] then
    			return k
    		end
    	end
    	return iMax -- will use the largest unit
    end
    
    -------------------------------------------------------------------------------
    local function pickUnit(val, unit, lang)
    	local k1, k2, unit1, unit2
    	unit1 = aliases[unit]                                         -- convert unit item ID to standard units
    	assert(unit1, "Unit name is not recognized: " .. unit)
    	k1    = findInArray(unit1, unitList)	
    	unit1 = translateProperty(unitItem[unit1], 'P5061', lang) -- gets the abbreviated form of the name of the unit
    	
    	local valInM = val*unitMult[k1]     -- find value in metres
    	if (k1<=6) then                     -- input units are metric length
    		k2 = niceNumber(valInM, 7, 10)  -- find best imperial units
    	elseif (k1<=10) then                -- input units are imperial length
    		k2 = niceNumber(valInM, 1, 6)   -- find best metric units
    	elseif (k1<=13) then                -- input units are metric weight
    		k2 = niceNumber(valInM, 14, 15) -- find best imperial units
    	else                                -- input units are imperial weight
    		k2 = niceNumber(valInM, 11, 13) -- find best metric units
    	end
    	local factor = unitMult[k1]/unitMult[k2]
    	unit2 = translateProperty(unitItem[unitList[k2]], 'P5061', lang) -- gets the abbreviated form of the name of the unit
    	return unit1 or unit, unit2 or unitItem[unitList[k2]], factor, unitType[k1]
    end
    
    -------------------------------------------------------------------------------
    local function unit_conversion(val, unit, prec, lang, wordsep)
    	local factor, unit1, unit2, numStr1, numStr2, system, str
    
    	unit1, unit2, factor, system = pickUnit(val, unit, lang) -- based on val magnitude and unit, translate unit and provide coversion factor to convert to other type of units
    
    	numStr1 = formatNum( val, lang, prec)  .. wordsep .. unit1
    	if (lang~='en' and lang~='en-US' and system=='m') or (system=='') then -- if input is in metric units and output language is not English then show only metric output
    		return numStr1 --  just show metric values
    	end
    	
    	-- final string in imperial and metric units
    	numStr2 = formatNum( val*factor, lang, prec)
    	str = mw.ustring.format("%s%s(%s%s%s)", numStr1, wordsep, numStr2, wordsep, unit2)
    	str = mw.ustring.gsub(str, '(%d)%s(%p)', '%1%2')
    	return str
    end
    
    -------------------------------------------------------------------------------
    local function disambiguate_dimensions(args)
    	-- compare painting dimensions to image dimensions
    	if args[1] and args[2] and not args[3] then
    		local title = mw.title.getCurrentTitle()
    		if title.namespace==6 then  -- this is a file
    			local width, height, ratio, R, dr1, dr2, dr
    			width  = title.file.width
    			height = title.file.height
    			ratio  = 1.0*height/width           -- file size ratio
    			R      = 1.0*args[1]/args[2]        -- painting size ratio
    			dr1    = math.abs(  R-ratio)/ratio  -- compare ratios
    			dr2    = math.abs(1/R-ratio)/ratio
    			dr     = math.min(dr1, dr2)
    			args.debug = string.format('width=%f; height=%f; ratio=%f; R=%f; dr=%f', width, height, ratio, R, dr)
    			if dr<0.1 and (ratio>1.15 or ratio<0.85) then -- ratios are within 10% from each other and image is not square
    				if dr1<dr2 then
    					args.height, args.width = args[1], args[2]
    				else
    					args.height, args.width = args[2], args[1]
    				end
    				args[1], args[2] = nil, nil
    			end
    		end
    	end
    	return args
    end
    
    -------------------------------------------------------------------------------
    local function create_QScode(args, unitIDs)
    	-- create non-visible encoding with untranslated dimensions
    	local meta_str = ''
    	local fields = { 'length', 'height', 'width', 'depthH', 'depthV', 'thickness', 'diameter'}
    	local meta = {}
    	for _, field in ipairs( fields ) do
    		if args[field] then
    			local uStr = unitIDs[field] -- get item ID of the unit
    			uStr = "U" .. string.sub(uStr, 2, -1) -- replace Q with U on the beginning of the string
    			table.insert(meta, createTag('dimensions', dimProp[field], args[field] .. uStr) )
    		end
    	end
    	if #meta>0 then
    		meta_str = table.concat(meta, '')
    	end
    	return meta_str
    end
    
    -------------------------------------------------------------------------------
    local function harvest_wikidata(args, lang)
    	-- each property stores a single dimension. Notice that P4511 is for vertical depth only, while Size template parameter "depth" was mostly used for horizontal depth
    	local entity, units, wdIcon = nil, {}, {}
    	if args.wikidata then
    		entity = mw.wikibase.getEntity(args.wikidata)
    	elseif args.entity then
    		entity = args.entity
    	end
    	if entity then
    		for field, prop in pairs(dimProp) do
    			if entity.claims and entity.claims[prop] then -- if we have wikidata item and item has the property
    				for _, statement in pairs( entity:getBestStatements( prop )) do
    					if (statement.mainsnak.snaktype == "value") then 
    						local v = statement.mainsnak.datavalue.value
    						if v.unit and #v.unit>20 then
    							args  [field] = v.amount
    							units [field] = string.gsub(v.unit, "http:%/%/www%.wikidata%.org%/entity%/", "") -- strip URL and keep the item ID
    							wdIcon[field] = core.editAtWikidata(entity.id, prop, lang)
    						end
    					end
    				end
    			end
    		end
    	end
    	return args, units, wdIcon
    end
    
    -- ==================================================
    -- === External functions ===========================
    -- ==================================================
    local p = {}
    
    -- ===========================================================================
    -- === Version of the function to be called from other LUA codes
    -- ===========================================================================
    
    function p._size_old(args, unit, prec, lang)
    --This function mimics the functionality of the original {{Size|unit|dim1|dim2|dim3}} template
    
    	if not prec then
    		prec = 1;
    		if unit == 'mm' then prec=2; end
    	end
    	
    	-- process values
    	local val, mean = {}, 0
    	for i = 1,3 do
    		local v = args[i]
    		if v then
    			v = string.gsub(v, ',', '.')
    			v = tonumber(v)
    			if type(v)=='number' and v>0 then
    				table.insert(val, v)
    				mean = mean + v
    			end
    		end
    	end
    	mean = mean / #val -- find mean of 3 dimensions
    	assert(#val>0, "No numeric dimensions found.")
    	--if n==0 then return '' end
    	
    	-- pick metric and imperial units
    	local factor, unit1, unit2, system 
    	unit1, unit2, factor, system = pickUnit(mean, unit, lang)
    
    	-- convert numbers to localized strings
    	local numStr1, numStr2 = {}, {}
    	for _, v in ipairs(val) do
    		table.insert(numStr1, formatNum( v       , lang, prec))
    		table.insert(numStr2, formatNum( v*factor, lang, prec))
    	end
    	
    	-- final string in the same units as input
    	local wordsep = mw.message.new( "Word-separator" ):inLanguage(lang):plain()
    	local x = wordsep .. '×'.. wordsep
    	numStr1 = table.concat( numStr1, x) .. wordsep .. unit1
    	if (lang~='en' and lang~='en-US' and system=='m') or (system=='') then -- if input is in metric units and output language is not English then show only metric output
    		return numStr1 --  just show metric values
    	end
    
    	-- final string in imperial and metric units
    	numStr2 = table.concat( numStr2, x) .. wordsep .. unit2
    	return mw.ustring.format("%s%s(%s)", numStr1, wordsep, numStr2)
    end
    
    -- ==================================================
    function p._size(args, unit, prec, lang)
    --This function mimics the functionality of the latter {{Size|unit|width=...|height=...|...}} template
    	local unit1 = aliases[unit] -- disambiguate units
    	assert(unit1 or args.wikidata or args.entity, "Unit name is not recognized")
    
    	if not prec then
    		prec = 1;
    		if unit == 'mm' then prec=2; end
    	end
    	args.depthH = args.depth  -- assume that "depth" defined by {{Size}} meant "horizontal dimension away from the observer"
    	
    	-- harvest wikidata
    	local unitIDs, wdIcon
    	args, unitIDs, wdIcon = harvest_wikidata(args, lang)
    	if core.yesno(args.noicon, false) then
    		wdIcon = {}
    	end 
    	
    	-- create the final string
    	local colon     = mw.message.new( "Colon-separator" ):inLanguage(lang):plain()
    	local semicolon = mw.message.new( "Semicolon-separator" ):inLanguage(lang):plain()
    	local wordsep   = mw.message.new( "Word-separator" ):inLanguage(lang):plain()
    	local dimOrder = { 'length', 'height', 'width', 'depthH', 'depthV', 'thickness', 'diameter', 'radius', 'perimeter', 'weight'} -- array with order of fields to display
    	local results = {}
    	for _, field in ipairs(dimOrder) do -- values with named dimensions like "depth: 2 cm"
    		local val = args[field]
    		if val then
    			unitIDs[field] = unitIDs[field] or unitItem[unit] 
    			val = string.gsub(val, ',', '.')
    			val = tonumber(val)
    			if type(val)=='number' then 
    				local dimStr = getBareLabel(dimName[field], dimProp[field], lang) 
    				local valStr = unit_conversion(val, unitIDs[field], prec, lang, wordsep)
    				table.insert(results, dimStr .. colon .. valStr .. (wdIcon[field] or '')) 
    			end
    			
    		end
    	end
    	
    	local qs = ''
    	if core.yesno(args.tagqs, true) then
    		qs = create_QScode(args, unitIDs)
    	end
    
    	return table.concat(results, semicolon) .. qs
    end
     
    -- ===========================================================================
    -- === Versions of the function to be called from template namespace
    -- ===========================================================================
    
    -- ==================================================
    function p.size(frame)
    	local args = core.getArgs(frame)
    	
    	local unit = args[1] or args.unit or args.units
    	table.remove(args,1)
    	unit = aliases[unit]
    	if not unit and not args.wikidata then
    		return ''
    	end
    	
    	-- see if we can deduce which dimension is which
    	local cat = ''
    	if args[1] and args[2] then
    		args = disambiguate_dimensions(args)
    		-- if not args[2] then
    		--	cat = '\n[[Category:Size templates with unnamed dimensions]]'
    		-- end
    		--cat = cat .. args.debug
    	end
    	
    	-- call either a function for named and for unnamed dimensions
    	if args[1] or args[2] or args[3] then
    --		args = table.remove(args,1)
    		return p._size_old(args, unit, args.prec, args.lang) .. cat -- old style of display for unnamed dimensions
    	else
    		return p._size(args, unit, args.prec, args.lang) .. cat -- dimensions are named
    	end
    end
    
    return p