Module:vi-sortkey
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Documentation for this module may be created at Module:vi-sortkey/doc
local export = {}
local U = mw.ustring.char
local breve = U(0x306)
local circum = U(0x302)
local horn = U(0x31B)
local grave = U(0x300)
local hook = U(0x309)
local tilde = U(0x303)
local acute = U(0x301)
local dot = U(0x323)
--[[
local diacritics = breve .. circum .. horn .. grave .. hook .. tilde .. acute .. dot
local diacritic = "[" .. diacritics .. "]"
--]]
-- Determines sort order of diacritics. The full-size numbers are placed at the
-- end of the syllable, the subscript numbers immediately after the vowel.
local replacements = {
--[[ Diacritics that form separate vowel letters. ]]
[breve] = "₁",
[circum] = "₂",
[horn] = "₃",
--[[ Tonal diacritics ]]
--[[ Order given by Stephen G. Brown
[acute] = 1,
[grave] = 2,
[hook] = 3,
[tilde] = 4,
[dot] = 5,
]]
-- Order given by Fumiko Take
[grave] = 1,
[hook] = 2,
[tilde] = 3,
[acute] = 4,
[dot] = 5,
["đ"] = "d₁",
["-"] = " ",
}
local vi = require("Module:languages").getByCode("vi")
local function tag(text)
return require("Module:script utilities").tag_text(text, vi)
end
function export.makeSortKey(text, lang, sc)
if lang and lang ~= "vi" then
return text
end
if not sc then
sc = text and require("Module:scripts").findBestScript(text, vi):getCode()
end
if sc then
if sc == "Hani" then
return require("Module:zh-sortkey").makeSortKey(text, lang, sc)
elseif sc ~= "Latn" then
return text
end
end
if not text then
return nil
end
local sortkey = text
--[=[
[[Module:languages]] currently converts text to lowercase
before applying changes, then to uppercase before outputting
the result.
]=]
if mw.title.getCurrentTitle().nsText == "Module" then
sortkey = mw.ustring.lower(text)
end
sortkey = mw.ustring.toNFD(sortkey)
sortkey = sortkey:gsub("[%z\1-\127\194-\244][\128-\191]*", replacements) -- pattern for UTF-8 character
sortkey = mw.ustring.gsub(sortkey, "([0-4])([₀-₃])", "%2%1")
-- move tone number to end of syllable
sortkey = mw.ustring.gsub(sortkey, '([1-5])([^%s]+)', '%2%1')
return sortkey
end
function export.showSortkey(frame)
local output = {}
for _, word in ipairs(frame.args) do
local example = "\n* <code>" .. export.makeSortKey(word) .. "</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
terms[i] = "\n* " .. tag(term) .. " (<code>" .. makeSortKey(term) .. "</code>)"
end
return table.concat(terms)
end
return export