local export = {}
local 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']='ph', ['ব']='b', ['ভ']='bh', ['ম']='m',
['য']='y', ['য়']='y', ['ৰ']='r', ['র']='r', ['ল']='l', ['ল়']='ḷ', ['ৱ']='v',
['শ']='ś', ['ষ']='ṣ', ['স']='s', ['হ']='ḣ', ['য়']='ẏ',
}
local diacritics = {
['া']='ā', ['ি']='i', ['ী']='ī', ['ু']='u', ['ূ']='ū', ['ৃ']='ṛ', ['ৄ']='ṝ',
['ৢ']='ḷ', ['ৣ']='ḹ', ['ে']='e', ['ৈ']='ai', ['ো']='o', ['ৌ']='au', ['্']='',
}
local tt = {
-- vowels
['অ']='a', ['আ']='ā', ['ই']='i', ['ঈ']='ī', ['উ']='u', ['ঊ']='ū', ['ঋ']='ṛ', ['ৠ']='ṝ',
['ঌ']='ḷ', ['ৡ']='ḹ', ['এ']='e', ['ঐ']='aì', ['ও']='o', ['ঔ']='aù',
-- chandrabindu
['ঁ']='m̐', --until a better method is found
-- anusvara
['ং']='ṃ', --until a better method is found
-- visarga
['ঃ']='ḥ',
--
['ৎ']='t',
-- avagraha
['ঽ']='’',
--numerals
['૦']='০', ['૧']='১', ['૨']='২', ['૩']='৩', ['૪']='৪', ['૫']='৫', ['૬']='৬', ['૭']='৭', ['૮']='৮', ['૯']='৯',
--punctuation
['॥']='.', --double danda
['।']='.', --danda
--Vedic extensions
-- ['ᳵ']='x', ['ᳶ']='f',
--Om
['ওঁ']='oṃ',
--reconstructed
['*'] = '',
}
function export.tr(text, lang, sc)
text = string.gsub(text, '্ব', '্ৱ')
text = mw.ustring.gsub(
text,
'([কখগঘঙচছজঝঞটঠডঢণতথদধনপফবভমযৰরলৱশষসহv]়?)'.. -- য় and ল় are composition exclusions!
'([ািীুূৃৄৢৣেৈোৌ্]?)',
function(c, d)
if d == "" then
return consonants[c] .. 'a'
else
return consonants[c] .. diacritics[d]
end
end)
text = mw.ustring.gsub(text, '.', tt)
text = string.gsub(text, "([dgḣmr])v", "%1b")
text = string.gsub(text, "ḣ", "h")
text = string.gsub(text, "ai", "aï")
text = string.gsub(text, "au", "aü")
text = string.gsub(text, "aì", "ai")
text = string.gsub(text, "aù", "au")
return text
end
return export
