-- Transliteration for Maithili
local export = {}
local gsub = mw.ustring.gsub
local match = mw.ustring.match
local conv = {
-- consonants
["क"] = "k", ["ख"] = "kh", ["ग"] = "g", ["घ"] = "gh", ["ङ"] = "ṅ",
["च"] = "c", ["छ"] = "ch", ["ज"] = "j", ["झ"] = "jh", ["ञ"] = "ñ",
["ट"] = "ṭ", ["ठ"] = "ṭh", ["ड"] = "ḍ", ["ढ"] = "ḍh", ["ण"] = "ṇ",
["त"] = "t", ["थ"] = "th", ["द"] = "d", ["ध"] = "dh", ["न"] = "n",
["प"] = "p", ["फ"] = "ph", ["ब"] = "b", ["भ"] = "bh", ["म"] = "m",
["य"] = "y", ["र"] = "r", ["ल"] = "l", ["व"] = "v", ["ळ"] = "ḷ",
["श"] = "ś", ["ष"] = "ṣ", ["स"] = "s", ["ह"] = "h",
["क़"] = "q", ["ख़"] = "x", ["ग़"] = "ġ", ["ऴ"] = "ḻ",
["ज़"] = "z", ["झ़"] = "ž", ["ड़"] = "ṛ", ["ढ़"] = "ṛh",
["फ़"] = "f", ["ऩ"] = "ṉ", ["ऱ"] = "ṟ",
-- vowel diacritics
["ि"] = "i", ["ु"] = "u", ["े"] = "ē", ["ॆ"] = "e", ["ो"] = "ō", ["ॊ"] = "o", ["ा"] = "ā", ["ी"] = "ī", ["ू"] = "ū",
["ृ"] = "r̥", ["ॄ"] = "r̥̄", ["ै"] = "ai",["ौ"] = "au",["◌ꣿ"] = "ě", ["ꣿ"] = "ě", ["ॏ"] = "ǒ", ["ऺ"] = "â", ["ॅ"] = "ê",["ॉ"] = "ô",
-- vowel signs
["अ"] = "a", ["इ"] = "i", ["उ"] = "u", ["ए"] = "ē", ["ऎ"] = "e", ["ओ"] = "ō", ["आ"] = "ā", ["ई"] = "ī", ["ऊ"] = "ū", ["व़"] = "ö", ["य़"] = "ë",
["ऋ"] = "r̥", ["ॠ"] = "r̥̄", ["ऐ"] = "ai", ["औ"] = "au", ["ꣾ"] = "ě", ["ॵ"] = "ǒ", ["ऒ"] = "o", ["ॴ"] = "ä", ["ऍ"] = "ê", ["ऑ"] = "ô",
["२"] = "²", ["ऽ"] = "²",
["꣱"] = "ô",
["ँ"] = "̃", -- chandrabindu
["ं"] = "̃", -- anusvara
["ः"] = "ḥ", -- visarga
["्"] = "", -- virama
["ॐ"] = "ōm̐", -- om
-- numerals
["०"] = "0", ["१"] = "1", ["२"] = "2", ["३"] = "3", ["४"] = "4", ["५"] = "5", ["६"] = "6", ["७"] = "7", ["८"] = "8", ["९"] = "9",
-- punctuation
["।"] = ".", -- danda
["॥"] = ".", -- double danda
["+"] = "", -- compound separator
-- abbreviation sign
["॰"] = "."
}
local nasal_assim = {
["क"] = "ङ", ["ख"] = "ङ", ["ग"] = "ङ", ["घ"] = "ङ",
["च"] = "ञ", ["छ"] = "ञ", ["ज"] = "ञ", ["झ"] = "ञ",
["ट"] = "ण", ["ठ"] = "ण", ["ड"] = "ण", ["ढ"] = "ण",
["प"] = "म", ["फ"] = "म", ["ब"] = "म", ["भ"] = "म", ["म"] = "म",
["त"] = "न", ["थ"] = "न", ["द"] = "न", ["ध"] = "न", ["न"] = "न"
}
local perm_cl = {
["म्ल"] = true, ["व्ल"] = true, ["न्ल"] = true
}
local all_cons, special_cons = "कखगघङचछजझञटठडढणतथदधनपफबभमयरलवसशषह", "छकखगतसहयथडढठपदणधरषटलवब भडचनशम"
local vowel, vowel_sign = "aिुृेोाीूैौॉॅॆॊऻऻॊॆॏ꣱’", "अइउएओआईऊऋॠऎऒॵॳॴऐऔऑऍ"
local syncope_pattern = '([' .. vowel .. vowel_sign .. '])(़?[' .. all_cons .. '])a(़?[' .. all_cons .. '])([ंँ]?[' .. vowel .. vowel_sign .. '])'
local function rev_string(text)
local result, length = {}, mw.ustring.len(text)
for i = length, 1, -1 do
table.insert(result, mw.ustring.sub(text, i, i))
end
return table.concat(result)
end
function export.tr(text, lang, sc)
text =
gsub(
text,
"([" .. all_cons .. "]़?)([" .. vowel .. "्]?)",
function(c, d)
return c .. (d == "" and "a" or d)
end
)
for word in mw.ustring.gmatch(text, "[ऀ-ॿa]+") do
local orig_word = word
word = rev_string(word)
word = gsub(word, '^a(़?)([' .. all_cons .. '])(.)(.?)', function(opt, first, second, third)
return (((match(first, '[' .. special_cons .. ']') and match(second, '्') and not perm_cl[first..second..third])
or match(first .. second, 'य[ी]'))
and 'a' or "") .. opt .. first .. second .. third end)
while match(word, syncope_pattern) do
word = gsub(word, syncope_pattern, '%1%2ᵊ%3%4')
end
word =
gsub(
word,
"(.?)ं(.)",
function(succ, prev)
return succ ..
(succ .. prev == "a" and "्म" or
(succ == "" and match(prev, "[" .. vowel .. "]") and "̃" or nasal_assim[succ] or "̃")) ..
prev
end
)
local escaped_orig_word = gsub(orig_word, "%+", "")
text = gsub(text, orig_word, rev_string(word))
text = gsub(text, "ज्ञ", "gy")
text = gsub(text, "इऺ", "ï" )
text = gsub(text, "उऺ", "ü" )
text = gsub(text, "ॳ", "â" )
text = gsub(text, "अ꣱", "ô")
end
text = gsub(text, ".़?", conv)
text = gsub(text, "ā([iu])̃", "ā͠%1")
text = gsub(text, "uu", "u")
text = gsub(text, "([iuïüëöīāūôûî])â", "%1")
text = gsub(text, "([iuïüëöīāūôûî])ᵊ", "%1")
text = gsub(text, "aᵊ", "ᵊ")
text = gsub(text, "([îûëö])a", "%1")
text = gsub(text, "aâ", "â")
text = gsub(text, "ii", "i")
text = gsub(text, "([iīaāuūeoâᵊ])a", "%1")
text = gsub(text, "i$", "ɨ")
text = gsub(text, "u$", "ʉ")
text = gsub(text, "ᵊ$", "ᵊ̆")
text = gsub(text, "[<>]", "")
return mw.ustring.toNFC(text)
end
return export
