Module:sa-Guru-translit

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This module will transliterate Sanskrit language text per WT:SA TR. The module should preferably not be called directly from templates or other modules. To use it from a template, use {{xlit}}. Within a module, use Module:languages#Language:transliterate.

For testcases, see Module:sa-Guru-translit/testcases.

Functions

tr(text, lang, sc)
Transliterates a given piece of text written in the script specified by the code sc, and language specified by the code lang.
When the transliteration fails, returns nil.

local export = {}

local m_str_utils = require("Module:string utilities")
local gsub = m_str_utils.gsub

local consonants = {
	='k', ='kh', ='g', ='gh', ='ṅ',
	='c', ='ch', ='j', ='jh', ='ñ', 
	='ṭ', ='ṭh', ='ḍ', ='ḍh', ='ṇ', 
	='t', ='th', ='d', ='dh', ='n', 
	='p', ='ph', ='b', ='bh', ='m',
	='y', ='r', ='l', ='v', ='ḷ',
	='ś', ='ṣ', ='s', ='h',
}

local diacritics = {
	='ā', ='i', ='ī', ='u', ='ū', ='ṛ', ='ṝ', 
	='ḷ', ='ḹ', ='e', ='ai', ='o', ='au',  ='',
}

local tt = {
	-- vowels
	 = "a",  = "ā",
	 = "i",  = "ī",
	 = "u",  = "ū",
	 = "e",  = "ai",
	 = "o",  = "au",
	-- chandrabindu    
	='m̐', --until a better method is found
	-- anusvara    
	='ṃ', --until a better method is found
	-- visarga    
	='ḥ',
	-- avagraha
	='’',
	--numerals
	 = "0",  = "1",  = "2",  = "3",  = "4",  = "5",  = "6",  = "7",  = "8",  = "9",
	--punctuation        
    ='.', --double danda
	='.', --danda
    --reconstructed
     = '',
}

function export.tr(text, lang, sc)
	text = gsub(
		text,
		'()'..
		'(?)',
		function(c, d)
			if d == "" then        
				return consonants .. 'a'
			else
				return consonants .. diacritics
			end
		end)

	text = gsub(text, '.', tt)
	
	return text
end
 
return export