মডিউল:hi-translit
এই মডিউলের জন্য মডিউল:hi-translit/নথি-এ নথিপত্র তৈরি করা হয়ে থাকতে পারে
-- Transliteration for Hindi (possibly other languages using Devanagari script, except for Sanskrit)
local export = {}
local m_str_utils = require("Module:string utilities")
local gmatch = m_str_utils.gmatch
local gsub = m_str_utils.gsub
local match = m_str_utils.match
local plain_gsub = m_str_utils.plain_gsub
local reverse = m_str_utils.reverse
local toNFC = mw.ustring.toNFC
local conv = {
-- consonants
['क']='ক', ['ख']='খ', ['ग']='গ', ['घ']='ঘ', ['ङ']='ঙ',
['च']='চ', ['छ']='ছ', ['ज']='জ', ['झ']='ঝ', ['ञ']='ঞ',
['ट']='ট', ['ठ']='ঠ', ['ड']='ড', ['ढ']='ঢ', ['ण']='ণ',
['त']='ত', ['थ']='থ', ['द']='দ', ['ध']='ধ', ['न']='ন',
['प']='প', ['फ']='ফ', ['ब']='ব', ['भ']='ভ', ['म']='ম',
['य']='য়', ['र']='র', ['ल']='ল', ['व']='ৱ', ['ळ']='ল়',
['श']='শ', ['ष']='ষ', ['स']='স', ['ह']='হ',
['क़'] = 'q', ['ख़'] = 'x', ['ग़'] = 'ġ', ['ऴ'] = 'ḻ',
['ज़'] = 'z', ['ष़'] = 'ẓ', ['झ़'] = 'ź', ['ड़'] = 'ṛ', ['ढ़'] = 'ṛh',
['फ़'] = 'f', ['ऩ'] = 'ṉ', ['ऱ'] = 'ṟ', ['य़'] = 'ẏ', ['व़'] = 'w',
-- ['ज्ञ'] = 'jñ',
-- vowel diacritics
['ि'] = 'ি', ['ु'] = 'ু', ['े'] = 'ে', ['ो'] = 'ো',
['ॊ'] = 'ǒ', ['ॆ'] = 'ě',
['ा'] = 'া', ['ी'] = 'ী', ['ू'] = 'ূ',
['ृ'] = 'ৃ',
['ै'] = 'ai', ['ौ'] = 'au',
['ॉ'] = 'ŏ',
['ॅ'] = 'ĕ',
-- vowel signs
['अ'] = 'অ', ['इ'] = 'ই', ['उ'] = 'উ', ['ए'] = 'এ', ['ओ'] = 'ও',
['आ'] = 'আ', ['ई'] = 'ঈ', ['ऊ'] = 'ঋ', ['ऎ'] = 'ঐ', ['ऒ'] = 'ঔ',
['ऋ'] = 'ঋ',
['ऐ'] = 'ai', ['औ'] = 'au',
['ऑ'] = 'ŏ',
['ऍ'] = 'ĕ',
['ॐ'] = 'om',
-- chandrabindu
['ँ'] = 'ঁ',
-- anusvara
['ं'] = '̃',
-- visarga
['ः'] = 'ঃ',
-- virama
['्'] = '',
-- numerals
['०'] = '০', ['१'] = '১', ['२'] = '২', ['३'] = '৩', ['४'] = '৪',
['५'] = '৫', ['६'] = '৬', ['७'] = '৭', ['८'] = '৮', ['९'] = '৯',
-- punctuation
['।'] = '.', -- danda
['॥'] = '.', -- double danda
['+'] = '', -- compound separator
-- abbreviation sign
['॰'] = '.',
}
local nasal_assim_short = {
['क'] = 'ङ', ['ख'] = 'ङ', ['ग'] = 'ङ', ['घ'] = 'ङ', ['ङ'] = 'ङ',
['च'] = 'ञ', ['छ'] = 'ञ', ['ज'] = 'ञ', ['झ'] = 'ञ', ['ञ'] = 'ञ',
['ट'] = 'ण', ['ठ'] = 'ण', ['ड'] = 'ण', ['ढ'] = 'ण', ['ण'] = 'ण',
['त'] = 'न', ['थ'] = 'न', ['द'] = 'न', ['ध'] = 'न', ['न'] = 'न',
['प'] = 'म', ['फ'] = 'म', ['ब'] = 'म', ['भ'] = 'म', ['म'] = 'म',
['य'] = 'ञ', ['र'] = 'न', ['ल'] = 'न', ['व'] = 'म',
['श'] = 'ञ', ['ष'] = 'ण', ['स'] = 'न', ['ह'] = 'ँ',
['ज़'] = 'न', ['फ़'] = 'म', ['क़'] = 'ङ', ['ख़'] = 'ङ', ['ग़'] = 'ङ',
['ड़'] = 'ँ', ['ढ़'] = 'ँ'
}
local nasal_assim_long = {
['क'] = 'ँ', ['ख'] = 'ँ', ['ग'] = 'ङ', ['घ'] = 'ङ', ['ङ'] = 'ँ',
['च'] = 'ँ', ['छ'] = 'ँ', ['ज'] = 'ञ', ['झ'] = 'ञ', ['ञ'] = 'ँ',
['ट'] = 'ँ', ['ठ'] = 'ँ', ['ड'] = 'ण', ['ढ'] = 'ण', ['ण'] = 'ँ',
['त'] = 'ँ', ['थ'] = 'ँ', ['द'] = 'न', ['ध'] = 'न', ['न'] = 'ँ',
['प'] = 'ँ', ['फ'] = 'ँ', ['ब'] = 'म', ['भ'] = 'म', ['म'] = 'ँ',
['ह'] = 'ँ',
['ज़'] = 'न', ['फ़'] = 'म', ['क़'] = 'ङ', ['ख़'] = 'ङ', ['ग़'] = 'ङ',
['ड़'] = 'ँ', ['ढ़'] = 'ँ'
}
-- These clusters when occurring word-finally will not trigger a schwa added
-- after them even though the second consonant is in special_cons, which normally
-- causes the extra schwa to be added. NOTE: The clusters are reversed from their
-- ultimate effect, e.g. the first cluster is written 'ml' but actually applies
-- to words ending in 'lm'. The clusters below overall refer to the six clusters
-- describable by [rl][mnv], i.e. rm, rn, rv, lm, ln, lv (plus rṇ).
-- Plus some word-final geminates.
local perm_cl = {
['म्ल'] = true, ['व्ल'] = true, ['न्ल'] = true,
['म्र'] = true, ['व्र'] = true, ['न्र'] = true, ['ण्र'] = true,
['न्न'] = true, ['म्म'] = true, ['ण्ण'] = true, ['ल्ल'] = true, ['र्र'] = true
}
local all_cons, special_cons = 'कखगघङचछजझञटठडढणतथदधनपफबभमयरलवषशसह', 'यरलवहनमञण'
local vowel, vowel_sign = '*aिुृेोाीूैौॉॅॆॊ\'', 'अइउएओआईऊऋऐऔऑऍ\''
local long_vowel, short_vowel = 'ाीूेैोौआईऊएऐओऔ', '*aिुृॆॊॅॉअइउऋऍऑऎऒ\''
local syncope_pattern = '([' .. vowel .. vowel_sign .. '])(़?[' .. all_cons .. '])(़?[' .. all_cons .. '])([ंँ]?[' .. vowel .. vowel_sign .. '])'
function export.tr(text, lang, sc)
-- treat anusvara + nasal as geminate nasal after short vowels
text = gsub(text, '([' .. short_vowel .. all_cons .. '])ं([नम])', '%1%2्%2')
-- word-final apostrophe (e.g. from bold formatting) does not delete schwa
text = gsub(text, '([' .. all_cons .. ']़?)(\'%A)', '%1a%2')
text = gsub(text, '([' .. all_cons .. ']़?)(\')$', '%1a%2')
text = gsub(text, '([' .. all_cons .. ']़?)([' .. vowel .. '्]?)', function(c, d)
return c .. (d == "" and 'a' or d) end)
-- to detect words, include Unicode 0900-0963 and 0971-097F (plus 'a' and '*'),
-- excluding e.g. danda and abbreviation dot ॰
for word in gmatch(text, "[ऀ-ॣॱ-ॿa*]+") do
local orig_word = word
word = reverse(word)
word = gsub(word, '^(़?)([' .. 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[ीिई]'))
and 'a' or "") .. opt .. first .. second .. third end)
while match(word, syncope_pattern) do
word = gsub(word, syncope_pattern, '%1%2%3%4')
end
word = reverse(word)
-- The special_vowel category consists of ī/e/o/ai/au, these vowels are often
-- written with anusvara for 'aesthetic' reasons as the vowel diacritic
-- gets in the way of the candrabindu. For ī/e/o/ai/au, anusvara will trigger
-- nasal_assim_long and candrabindu will force a nasal vowel. To force a nasal
-- consonant before voiceless stops (mostly in loanwords), respell with
-- homorganic nasal ङ/ञ/ण/न/म + virama ्
-- Exception: vowel 'e' when written as standalone ए
local special_vowel, normal_vowel = 'ीेैोौईऐओऔ', '*aिुाूृॆॅॊॉअइउआऊऋऎऍऒऑए\''
word = gsub(word, '([' .. special_vowel .. '])ँ(.़?)', function(prev, succ)
return prev .. "̃" .. succ
end)
--sometimes chandrabindu != anusvara
word = gsub(word, '([' .. normal_vowel .. '])ं([सशषवयकखटतथदडपचछ]़?)', function(prev, succ)
return prev .. (nasal_assim_short[succ] or "̃") .. succ
end)
word = gsub(word, '([' .. normal_vowel .. '])ँ([सशषवयकखटतथदडपचछ]़?)', function(prev, succ)
return prev .. "̃" .. succ
end)
--force chandrabindu to behave as anusvara
word = gsub(word, 'ँ', 'ं')
word = gsub(word, '([' .. short_vowel .. '])ं(.़?)', function(prev, succ)
return prev .. (nasal_assim_short[succ] or "̃") .. succ
end)
word = gsub(word, '([' .. long_vowel .. '])ं(.़?)', function(prev, succ)
return prev .. (nasal_assim_long[succ] or "̃") .. succ
end)
text = plain_gsub(text, orig_word, word)
end
text = gsub(text, '.़?', conv)
text = gsub(text, 'a([iu])̃', 'a͠%1')
text = gsub(text, 'ñz', 'nz')
-- text = gsub(text, '%*', 'a')
return toNFC(text)
end
return export