Module:bn-translit/sandbox

-- Transliteration for Bengali

local export = {} local u = mw.ustring.char local gsub = mw.ustring.gsub local match = mw.ustring.match local sub = mw.ustring.sub

local QO = u(0x003F) -- question mark

local char = { -- consonants ["ক"] = "k",	["খ"] = "kh",	["গ"] = "g",	["ঘ"] = "gh",	["ঙ"] = "ṅ", ["চ"] = "c",	["ছ"] = "ch",	["জ"] = "j",	["ঝ"] = "jh",	["ঞ"] = "ñ", ["ট"] = "ṭ",	["ঠ"] = "ṭh",	["ড"] = "ḍ",	["ঢ"] = "ḍh",	["ণ"] = "ṇ", ["ত"] = "t",	["থ"] = "th",	["দ"] = "d",	["ধ"] = "dh",	["ন"] = "n", ["প"] = "p",	["ফ"] = "f",	["ব"] = "b",	["ভ"] = "bh",	["ম"] = "m", ["য"] = "j",	["র"] = "r",	["ল"] = "l", ["শ"] = "ś",	["ষ"] = "ṣ",	["স"] = "s",	["হ"] = "h", ["ড়"] = "ṛ",	["ঢ়"] = "ṛh",	["য়"] = "y",

-- vowel diacritics ["ি"] = "i",	["ু"] = "u", ["ৃ"] = "ri",	["ে"] = "e",	["ো"] = "ō", ["া"] = "a",	["ী"] = "i",	["ূ"] = "u",	["ৈ"] = "ōi",	["ৌ"] = "ōu",

-- archaic vowel diacritics ["ৄ"] = "ri",	["ৢ"] = "li",	["ৣ"] = "li",

-- visarga ["ঃ"] = "ḥ",

-- vowel signs ["অ"] = "o", 	["ই"] = "i",	["উ"] = "u", ["ঋ"] = "ri",	["এ"] = "e",	["ও"] = "ō", ["আ"] = "a",	["ঈ"] = "i",	["ঊ"] = "u",	["ঐ"] = "ōi",	["ঔ"] = "ōu",

-- archaic vowel signs ["ৠ"] = "ri",	["ঌ"] = "li",	["ৡ"] = "li",

--virama ["্"] = "",

-- chandrabindu ["ঁ"] = "̃",	-- avagraha ['ঽ']='’', -- anusvara ["ং"] = "ṅ",

-- khandata, ["ৎ"] = "t",

-- numerals ["০"] = "0", ["১"] = "1", ["২"] = "2", ["৩"] = "3", ["৪"] = "4", 	["৫"] = "5", ["৬"] = "6", ["৭"] = "7", ["৮"] = "8", ["৯"] = "9",	-- punctuation ["।"] = ".", -- dãri }

local consonant, vowel, vowel_sign = "ক-হড়-য়", "oা-ৌ’", "অ-ঔ" local c = "[" .. consonant .. "]" local cc = "়?" .. c local v = "[" .. vowel .. vowel_sign .. "o]" local syncope_pattern = "(" .. v .. cc .. v .. cc .. ")o(" .. cc .. "ঁ?" .. v .. ")"

local deaspirate = "[কগচজটডতদপব]"

local function rev_string(text) local result, length = "", mw.ustring.len(text) for i = 1, length do result = result .. mw.ustring.sub(text, length - i + 1, length - i + 1) end return result end

function export.tr(text, lang, sc, override) text = gsub(text, "(" .. c .. ")ও", "%1্ও") text = gsub(text, "^(" .. c .. ")্ও", "%1ও")

text = gsub(text, "(" .. c .. ")্‌(" .. c .. ")$", "%1্%2্")	text = gsub(text, "(" .. c .. ")্‌(" .. c .. ") ", "%1্%2্ ")

text = gsub(text, "(" .. v .. ")ঞ(" .. v .. ")", "%1̃%2")

text = gsub(text, "(" .. c .. "়?)([" .. vowel .. "’?্]?)", function(a, b)		return a .. (b == "" and "o" or b) end) for word in mw.ustring.gmatch(text, "[ঁ-৽o’]+") do		local orig_word = word word = rev_string(word) word = gsub(word, "^o(়?" .. c .. ")(ঁ?" .. v .. ")", "%1%2")		while match(word, syncope_pattern) do			word = gsub(word, syncope_pattern, "%1%2") end text = gsub(text, orig_word, rev_string(word)) end

text = gsub(text, "(".. deaspirate .. ")হ", "%1'h")

text = gsub(text, "্ম", "ṃ") text = gsub(text, "্য", "ẏ") text = gsub(text, "্ব", "v")

text = gsub(text, "িত$", "ito") text = gsub(text, "িত ", "ito ")

text = gsub(text, "ৃত$", "rito") text = gsub(text, "ৃত ", "rito ")

text = gsub(text, "িব$", "ibo") text = gsub(text, "িব ", "ibo ")

text = gsub(text, "র্চ$", "র্চ্‌") text = gsub(text, "র্চ ", "র্চ্‌ ")

text = gsub(text, "ছিল$", "chilo") text = gsub(text, "ছিল ", "chilo ")

text = gsub(text, "র([মফ])o", "রo%1")

text = gsub(text, "(".. cc .. ")o([অআ])", "%1%2") text = gsub(text, "(".. cc .. ")ও", "%1oō")

text = gsub(text, ".[়’]?", char) text = gsub(text, ".", char)

local v_Latn = "[oaiueō]̃?" local v_Latn_wo_e = "[oaiuō]̃?" local c_Latn = "[bcdḍfghjklmṃnṇprsśṣtṭvwyẏ]" local consonants_no_h = "[bcdfgjklmnpsśtṭḍ]"

-- inherent vowel deletion text = gsub(text, "(".. v_Latn .. ")bo([bdps])(".. v_Latn .. ")", "%1b%2%3") text = gsub(text, "(".. v_Latn .. ")cho([bpt])(".. v_Latn .. ")", "%1ch%2%3") text = gsub(text, "(".. v_Latn .. ")do([bp])(".. v_Latn .. ")", "%1d%2%3") text = gsub(text, "(".. v_Latn .. ")dho([bp])(".. v_Latn .. ")", "%1dh%2%3")

text = gsub(text, "(".. v_Latn .. ")ḍo([bnp])(".. v_Latn .. ")", "%1ḍ%2%3") text = gsub(text, "(".. v_Latn .. ")fo([bdjmtpz]?)(".. v_Latn_wo_e .. ")", "%1f%2%3") text = gsub(text, "(".. v_Latn .. ")go([bpr])(".. v_Latn .. ")", "%1g%2%3")

text = gsub(text, "(".. v_Latn .. ")jo([bpr])(".. v_Latn .. ")", "%1j%2%3") text = gsub(text, "(".. v_Latn .. ")ko([bcmprsśtṭ])(".. v_Latn .. ")", "%1k%2%3") text = gsub(text, "(".. v_Latn .. ")kho([bcmpt])(".. v_Latn .. ")", "%1kh%2%3") text = gsub(text, "(".. v_Latn .. ")lo([bfd]h?)(".. v_Latn .. ")", "%1lô%2%3") text = gsub(text, "(".. v_Latn .. ")lodv(".. v_Latn .. ")", "%1ldv%3")

text = gsub(text, "(".. v_Latn .. ")mo([bcdkprṛś])(".. v_Latn .. ")", "%1m%2%3") text = gsub(text, "(".. v_Latn .. ")no([bcdglpṭ]?)(".. v_Latn .. ")", "%1n%2%3") text = gsub(text, "(".. v_Latn .. ")ṅo([blmp]h?)(".. v_Latn .. ")", "%1ṅ%2%3") text = gsub(text, "(".. v_Latn .. ")po([bcp])(".. v_Latn .. ")", "%1p%2%3")

text = gsub(text, "(".. v_Latn .. ")ro([bcdghjklmsṣś]h?)(".. v_Latn .. ")", "%1r%2%3") text = gsub(text, "(".. v_Latn .. ")ro([bcp])r(".. v_Latn .. ")", "%1r%2r%3") text = gsub(text, "(".. v_Latn .. ")ṣo([bjlmp])(".. v_Latn .. ")", "%1ṣ%2%3") text = gsub(text, "(".. v_Latn .. ")śo([bgjklmp])(".. v_Latn .. ")", "%1ś%2%3") text = gsub(text, "(".. v_Latn .. ")so([bjlmp])(".. v_Latn .. ")", "%1s%2%3") text = gsub(text, "(".. v_Latn .. ")ṭo([bgklp])(".. v_Latn .. ")", "%1ṭ%2%3")

text = gsub(text, "(".. v_Latn .. ")yo([j])(".. v_Latn .. ")", "%1y%2%3")

-- exceptional text = gsub(text, "([cr])ch$", "%1cho") text = gsub(text, "([cr])ch ", "%1cho ") text = gsub(text, "([cr])ch(" .. QO .. ")", "%1cho%2")

text = gsub(text, "apon(".. v_Latn .. ")", "apn%1") text = gsub(text, "arbi", "arobi")

text = gsub(text, "goñjo$", "gonj") text = gsub(text, "goñjo ", "gonj ") text = gsub(text, "got", "goto")

text = gsub(text, "hojjo", "hojj")

text = gsub(text, "ikta$", "ikota") text = gsub(text, "ikta ", "ikota ")

text = gsub(text, "iy$", "iyo") text = gsub(text, "iy ", "iyo ")

text = gsub(text, "ken$", "keno") text = gsub(text, "ken ", "keno ") text = gsub(text, "ken(" .. QO .. ")", "keno%1")

text = gsub(text, "korob", "korbo") text = gsub(text, "okso", "oks")

text = gsub(text, "sṭo$", "sṭ") text = gsub(text, "sṭo ", "sṭ ")

text = gsub(text, "(" .. v_Latn .. ")śot$", "%1śt") text = gsub(text, "(" .. v_Latn .. ")śot ", "%1śt ")

text = gsub(text, "ajon(".. v_Latn .. ")", "ajn") text = gsub(text, "(".. v_Latn .. ")koṭr(".. v_Latn .. ")", "%1kṭr%2") text = gsub(text, "(".. v_Latn .. ")khost(".. v_Latn .. ")", "%1khst%2") text = gsub(text, "(".. v_Latn .. ")jost(".. v_Latn .. ")", "%1jst%2") text = gsub(text, "(".. v_Latn .. ")lp(".. v_Latn .. ")", "%1lop%3") text = gsub(text, "(".. v_Latn .. ")lô([bd]h?)(".. v_Latn .. ")", "%1l%2%3") text = gsub(text, "(".. v_Latn .. ")no(".. c_Latn .. "h?)(".. c_Latn .. "h?)(".. v_Latn .. ")", "%1n%2%3%4") text = gsub(text, "(".. v_Latn .. ")rkoṭ(".. v_Latn .. ")", "%1rkṭ%2") text = gsub(text, "(".. v_Latn .. ")ṣdh(".. v_Latn .. ")", "%1ṣodh%2") text = gsub(text, "(".. v_Latn .. ")sm(".. v_Latn .. ")", "%1śom%2")

-- up prefix text = gsub(text, "^up(".. c_Latn .. ")", "upo%1") text = gsub(text, " up(".. c_Latn .. ")", " upo%1") text = gsub(text, "ōp(".. c_Latn .. ")", "ōpo%1")

-- qualifiers text = gsub(text, "(".. c_Latn .. ")oṭa$", "%1ṭa") text = gsub(text, "(".. c_Latn .. ")oṭa ", "%1ṭa ") text = gsub(text, "(".. c_Latn .. ")oṭi$", "%1ṭi") text = gsub(text, "(".. c_Latn .. ")oṭi ", "%1ṭi ")

-- Cv	text = gsub(text, "([bgmr])v", "%1b") text = gsub(text, "udv", "udb") text = gsub(text, "ttv", "tt") text = gsub(text, "^sv", "ś") -- initial text = gsub(text, "([sś])v", "śś") -- medial

text = gsub(text, "^(" .. consonants_no_h .. "h?)v", "%1") -- initial text = gsub(text, " (" .. consonants_no_h .. "h?)v", " %1") -- initial text = gsub(text, "([lṅ])(" .. consonants_no_h .. "h?)v", "%1%2") text = gsub(text, "(" .. consonants_no_h .. ")v", "%1%1") -- medial text = gsub(text, "(" .. consonants_no_h .. ")hv", "%1%1h") -- medial_h

--ahv, ihv text = gsub(text, "ahv", "aubh") text = gsub(text, "ihv", "iubh")

text = gsub(text, "hv", "hb")

-- kṣ	text = gsub(text, "^kṣ", "kh") -- initial text = gsub(text, " kṣ", " kh") -- initial text = gsub(text, "ṅkṣ", "ṅkh") -- after_ṅ text = gsub(text, "kṣ", "kkh") -- medial text = gsub(text, "kkhṃ", "kkh") -- before_ṃ

-- sm	text = gsub(text, "^([ṣs])ṃa", "śã") -- initial text = gsub(text, " ([ṣs])ṃa", " śã") -- initial text = gsub(text, "([ṣs])ṃa", "śśã") -- medial

text = gsub(text, "^([ṣs])ṃ", "ś") -- initial text = gsub(text, " ([ṣs])ṃ", " ś") -- initial text = gsub(text, "([ṣs])ṃ", "śś") -- medial

-- tm	text = gsub(text, "^tṃ", "t") -- initial text = gsub(text, "tṃ", "tt") -- medial

text = gsub(text, "ṃ", "m") text = gsub(text, "ṣ", "ś")

-- visarga deletion text = gsub(text, "ḥ(" .. consonants_no_h .. ")h", "%1%1h") text = gsub(text, "ḥ", "")

-- foreign conjuncts text = gsub(text, "([ln])ḍo$", "%1ḍ") text = gsub(text, "([ln])nḍo ", "%1ḍ ")

text = gsub(text, "rko$", "rk") text = gsub(text, "rko ", "rk ")

text = gsub(text, "(" .. v_Latn .. ")h$", "%1ho") text = gsub(text, "(" .. v_Latn .. ")h ", "%1ho ")

text = gsub(text, "([glś])aho$", "%1ah") text = gsub(text, "([glś])aho ", "%1ah ")

text = gsub(text, "ṇn", "ṇon") text = gsub(text, "ṇ", "n")

-- Cẏ	text = gsub(text, "^eẏa", "ê") text = gsub(text, " eẏa", " ê") text = gsub(text, "^oẏa", "ê") text = gsub(text, " oẏa", " ê")

text = gsub(text, "^(" .. consonants_no_h .. "h?)ẏa", "%1ê") -- initial text = gsub(text, " (" .. consonants_no_h .. "h?)ẏa", " %1ê") -- initial text = gsub(text, "^(" .. consonants_no_h .. "h?)(" .. consonants_no_h .. "h?)ẏa", "%1%2ê") -- initial_double text = gsub(text, " (" .. consonants_no_h .. "h?)(" .. consonants_no_h .. "h?)ẏa", " %1%2ê") -- initial_double text = gsub(text, "^hẏa", "hê") -- h_initial text = gsub(text, "ẏal$", "êl") -- final_l

text = gsub(text, "^jñan", "gên") -- jñan_initial text = gsub(text, " jñan", " gên") -- jñan_initial text = gsub(text, "jñan", "ggên") -- jñan_medial

text = gsub(text, "ñ", "n")

text = gsub(text, "ẏanḍ", "ênḍ")

text = gsub(text, "^(" .. consonants_no_h .. "h?)ẏo", "%1ê") -- initial text = gsub(text, " (" .. consonants_no_h .. "h?)ẏo", " %1ê") -- initial

text = gsub(text, "^(" .. consonants_no_h .. "h?)ẏ", "%1") -- initial text = gsub(text, "ṅ(" .. consonants_no_h .. "h?)ẏ", "ṅ%1") text = gsub(text, "(" .. consonants_no_h .. ")ẏ", "%1%1") -- medial text = gsub(text, "(" .. consonants_no_h .. ")hẏ", "%1%1h") -- medial_h

-- hẏ	text = gsub(text, "^hẏ", "h") -- initial text = gsub(text, " hẏ", " h") -- initial text = gsub(text, "hẏ", "jjh") -- medial

-- rẏ	text = gsub(text, "rẏ", "rj")

text = gsub(text, "yo([gklmn])([aeiīōuū])", "y%1%2") text = gsub(text, "yoō", "yō") text = gsub(text, "oō$", "ō")

text = gsub(text, "([ei])y([" .. consonant .. "])", "%1yo%2")

-- rules for changing s to ś (applicable for native words only) text = gsub(text, "s(".. v_Latn .. ")$", "ś%1") -- final text = gsub(text, "s(".. v_Latn .. ") ", "ś%1 ") -- final text = gsub(text, "s(" .. v_Latn .. ")", "ŝ%1") -- medial

text = gsub(text, "([ai])s$", "%1ś") text = gsub(text, "([ai])s ", "%1ś ")

text = gsub(text, "os$", "oŝ") text = gsub(text, "os ", "oŝ ")

text = gsub(text, "^(" .. c_Latn .. ")oŝ$", "%1os") text = gsub(text, " (" .. c_Latn .. ")oŝ$", " %1os") text = gsub(text, "^(" .. c_Latn .. ")oŝ ", "%1os ")

text = gsub(text, "^ŝe(" .. c_Latn .. ")$", "^se%1") text = gsub(text, " ŝe(" .. c_Latn .. ")$", " se%1") text = gsub(text, "^ŝe(" .. c_Latn .. ") ", "^se%1 ") text = gsub(text, " ŝe(" .. c_Latn .. ") ", " se%1 ")

text = gsub(text, "ŝalam", "salam")

text = gsub(text, "ŝ", "ś")

text = gsub(text, "śl", "sl") text = gsub(text, "śr", "sr") text = gsub(text, "sp", "śp") text = gsub(text, "^śp", "sp") text = gsub(text, " śp", " sp")

text = gsub(text, "śṭh$", "śṭho")

text = gsub(text, "^([kg]h?)([dḍtṭ])", "%1o%2") text = gsub(text, "^(" .. c_Latn .. ")([aou])b$", "%1bo") text = gsub(text, "^(" .. c_Latn .. ")([aou])b ", "%1bo ")

text = gsub(text, "^([bcdḍghjkmṃnṇprsśṣtṭwẏ])([aou])bh$", "%1%2bho") text = gsub(text, "^([bcdḍghjkmṃnṇprsśṣtṭwẏ])([aou])bh ", "%1%2bho ")

text = gsub(text, "lona$", "lna") text = gsub(text, "nola$", "nla")

text = gsub(text, "ōy", "ōw") text = gsub(text, "ō̃y", "ō̃w")

text = gsub(text, "uy", "uw") text = gsub(text, "ũy", "ũw")

text = gsub(text, "ōw$", "ōy") text = gsub(text, "ōw ", "ōy ")

text = gsub(text, "uw$", "uy") text = gsub(text, "uw ", "uy ")

text = gsub(text, "oo", "o")

if match(text, "[ঁ-৽]") and mode ~= "debug" then return nil else return mw.ustring.toNFC(text) end end return export