Moduuli:Fr:Conversion
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[ muokkaa ] Tämä moduuli on osa ranskankielisestä Wikipediasta kopioitua Wikidata ja Interface Wikidata -moduulikokonaisuutta (ks. ohjeet ja esimerkit). Listauksen kaikista tähän liittyvistä moduuleista löydät Ranskankielisen Wikipedian Wikidata-moduulit -sivulta.
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local math_mod = require "Module:Fr:Math"
local formatnum = require "Module:Fr:Format".do_formatnum
local params = require "Module:Fr:Conversion/Données"
local defaultlang = 'fr'
local p = {}
local i18n = {
invalidunitcat = 'Page with an unsupported measurement unit',
invalidsourceunit = '$1 (unité non supportée)',
invalidtargetunit = 'unité cible non supportée $1',
typemismatch = 'impossible de convertir $1 en $2'
}
local function numString(val, rounding, displayformat) -- transforme un nombre en chaîne
if rounding then
val = math_mod._round( val, rounding )
end
-- print number with rounding precision
rounding=tonumber(rounding)
if rounding and rounding > 0 then
val = string.format("%."..rounding.."f", val)
-- print number with current locale
val = mw.getCurrentFrame():preprocess('{{formatnum:' .. val ..'}}')
else
val = formatnum({tostring(val)})
end
if displayformat and displayformat.suffix then
val = val .. suffix
end
return val
end
local function convert(value, sourceunitdata, targetunitdata) -- convertir une valeur numérique en son équivalent dans une autre unité de mesure
if not value then
return nil
end
if type(value) ~= 'number' then
return error("bad datatype: " .. type(value))
end
if (not sourceunitdata) or (not targetunitdata) then
return value
end
return value * sourceunitdata[2] / targetunitdata[2]
end
function p.displayvalue(val, sourceunit, displayformat, errhandling) -- affiche une valeur formatée)
-- préparation des paramètres
local numval = tonumber(val)
if not numval then -- si les données sont inhabituelles, on laisse la fonction appelante se débrouiller
return val
end
if not displayformat or type(displayformat) ~= 'table' then
displayformat = {}
end
local showunit, showlink, targetunit = displayformat.showunit, displayformat.showlink, displayformat.targetunit
local rounding_temp_val=tostring(val)
local default_rounding=0
-- Default precision is same than input precision
local pos=string.find(rounding_temp_val, "%.")
if pos then
default_rounding=string.len(string.sub(rounding_temp_val, pos+1))
end
local rounding = tonumber(displayformat.rounding or default_rounding)
-- récupération des donnnées concernant les unités
if sourceunit and not targetunit then
targetunit = sourceunit
end
local sourceunitdata, targetunitdata = sourceunit, targetunit
if type(sourceunitdata) ~= 'table' then
sourceunitdata = params.units[sourceunit] or params.units[params.redirects[sourceunit]]
end
if type(targetunitdata) ~= 'table' then
targetunitdata = params.units[targetunit] or params.units[params.redirects[targetunit]]
end
local maintenancestr = ""
-- conversion
local function invalidsourcefallback(val, sourceunit) -- text to be shown when source unit is not supported
local str = tostring(val)
if sourceunit:match('Q%d+') or sourceunit:match('q%d+') then -- wikidata item
sourceunit = mw.wikibase.label(sourceunit)
end
return val .. ' ' .. i18n['invalidsourceunit']:gsub('$1', sourceunit) .. '[[Category:' .. i18n.invalidunitcat .. '|' .. sourceunit .. ']]'
end
-- escape if source unit is invalid
if (sourceunit and targetunit) and (targetunit~= sourceunit) and (not sourceunitdata or not sourceunitdata[1]) then
return invalidsourcefallback(val, sourceunit)
end
if sourceunit and (not sourceunitdata) then
local label = sourceunit
local item = sourceunit:match('q%d+') or sourceunit:match('Q%d+')
local link
local symbol
if item then
label = mw.wikibase.label(item)
link = mw.wikibase.sitelink(item)
if (displayformat.showunit) and (displayformat.showunit ~= 'long') then -- symbole retrieved only if needed (somewhat expensive)
symbol = mw.wikibase.getEntityObject(item):formatPropertyValues( 'P558' )
if symbol then
symbol = symbol.value
end
end
end
sourceunitdata = {nil, 1, symbol or label, item, link, label, label}
targetunit, targetunitdata = sourceunit, sourceunitdata
end
-- warn if targetunit is unknown
if targetunit and (not targetunitdata) then
targetunit, targetunitdata = sourceunit, sourceunitdata
maintenancestr = maintenancestr .. " " .. i18n['invalidtargetunit']:gsub('$1', targetunit) .. '[[Category:' .. i18n.invalidunitcat .. '|' .. targetunit .. ']]'
end
-- check for type mismatch
if (sourceunitdata and targetunitdata) and (targetunitdata[1] ~= sourceunitdata[1]) then
local errmsg = i18n.typemismatch
errmsg = errmsg:gsub('$1', sourceunit)
errmsg = errmsg:gsub('$2', targetunit)
maintenancestr = maintenancestr .. '(' .. errmsg .. ')'
targetunit, targetunitdata = sourceunit, sourceunitdata
end
-- convert if needed
if (sourceunit and targetunit) and (sourceunit ~= targetunit) then
numval = convert(numval, sourceunitdata, targetunitdata)
-- if no conversion then do not unnaturally expand precision
elseif rounding > default_rounding then
rounding=default_rounding
end
if displayformat.raw == true then -- nombre non formaté chaîne convertible en nombre sauf si catégorie de maintenance
return (tostring(numval) or "") .. maintenancestr
end
local numstr = numString(numval, rounding)
-- affichage de l'unité
local unitstr, link
if not targetunitdata then -- pour éviter les bugs
targetunitdata = {}
end
if showunit == 'long' then -- format long = montrer l'unité en entier
if (numval or 0) > 1 then
unitstr = targetunitdata[7]
else
unitstr = targetunitdata[6]
end
elseif showunit and (showunit ~= '-') then
unitstr = targetunitdata[3]
end
-- showlink
if type( displayformat.showlink == 'string') then --liens personnalisés
link = displayformat.showlink
elseif displayformat.showlink == true then -- liens vers l'article dédié
link = targetunitdata[5]
end
if unitstr and link then
unitstr = '[[' .. link .. '|' .. unitstr .. ']]'
end
return numstr .. ' ' .. (unitstr or '') .. maintenancestr
end
function p.display(frame)
local args = frame.args
local value, origunit, targetunit = args[1], args[2], args[3]
local rounding = args.rounding
local showlink, showunit = args.showlink, args.showunit
if showunit == 'true' then
showunit = true
end
if showlink == 'true' then
showlink = true
end
displayformat = {showunit = showunit, showlink = showlink, rounding = rounding, targetunit = targetunit}
return p.displayvalue(value, origunit, displayformat)
end
return p