local export = {}
local m_str_utils = require("Module:string utilities")
local gsub = m_str_utils.gsub
local lower = m_str_utils.lower
local toNFC = mw.ustring.toNFC
local toNFD = mw.ustring.toNFD
local u = m_str_utils.char
local upper = m_str_utils.upper
local a, b = u(0xF000), u(0xF001)
local diacritics = {
--[===[--Order given by Stephen G. Brown
[u(0x0301)] = c, -- acute
[u(0x0300)] = d, -- grave
[u(0x0309)] = e, -- hook
[u(0x0303)] = f, -- tilde
[u(0x0323)] = g -- dot above]===]
-- Order given by Fumiko Take
[u(0x0300)] = "!", -- grave
[u(0x0309)] = "#", -- hook
[u(0x0303)] = "$", -- tilde
[u(0x0301)] = "%", -- acute
[u(0x0323)] = "&" -- dot above
}
local oneChar = { -- separate letters
["ă"] = "a" .. a, ["â"] = "a" .. b, ["đ"] = "d" .. a, ["ê"] = "e" .. a, ["ô"] = "o" .. a, ["ơ"] = "o" .. b, ["ư"] = "u" .. a
}
function export.makeSortKey(text, lang, sc)
text = gsub(lower(toNFD(text)), ".", diacritics)
text = gsub(text, "([!-&])([^%s]+)", "%2%1")
return upper(gsub(toNFC(text), ".", oneChar))
end
local vi = require("Module:languages").getByCode("vi")
local function tag(text)
return require("Module:script utilities").tag_text(text, vi)
end
local showsubst = {
[a] = "₂", [b] = "₃", ["!"] = "²", ["#"] = "³", ["$"] = "⁴", ["%"] = "⁵", ["&"] = "⁶"
}
function export.showSortkey(frame)
local output = {}
for _, word in ipairs(frame.args) do
local sc = vi:findBestScript(word):getCode()
local sortkey = gsub(export.makeSortKey(word, "vi", sc), ".", showsubst)
sortkey = gsub(sortkey, "([^0-9²³⁴⁵⁶])$", "%1¹")
sortkey = gsub(sortkey, "([^0-9²³⁴⁵⁶])(%s)", "%1¹%2")
local example = "\n* <code>" .. sortkey .. "</code>\n: " .. tag(word)
table.insert(output, example)
end
return table.concat(output)
end
function export.showSorting(frame)
local terms = {}
for _, term in ipairs(frame.args) do
table.insert(terms, term)
end
local makeSortKey = require("Module:fun").memoize(export.makeSortKey)
local function comp(term1, term2)
return makeSortKey(term1) < makeSortKey(term2)
end
table.sort(terms, comp)
for i, term in pairs(terms) do
local sc = vi:findBestScript(term):getCode()
local sortkey = gsub(export.makeSortKey(term, "vi", sc), ".", showsubst)
sortkey = gsub(sortkey, "([^0-9²³⁴⁵⁶])$", "%1¹")
sortkey = gsub(sortkey, "([^0-9²³⁴⁵⁶])(%s)", "%1¹%2")
terms[i] = "\n* " .. tag(term) .. " (<code>" .. sortkey .. "</code>)"
end
return table.concat(terms)
end
return export