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wikt>Surjection at 10:25, 12 September 2025

2025-09-12T10:25:59Z

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local export = {}
local toNFC = mw.ustring.toNFC
local gsub = mw.ustring.gsub
local len = mw.ustring.len
local match = mw.ustring.match
local sub = mw.ustring.sub

local cons_conv = {
["ក"] = { "k", "a" },
["ខ"] = { "kh", "a" },
["គ"] = { "k", "o" },
["ឃ"] = { "kh", "o" },
["ង"] = { "ng", "o" },
["ច"] = { "ch", "a" },
["ឆ"] = { "chh", "a" },
["ជ"] = { "ch", "o" },
["ឈ"] = { "chh", "o" },
["ញ"] = { "nh", "o" },
["ដ"] = { "d", "a" },
["ឋ"] = { "th", "a" },
["ឌ"] = { "d", "o" },
["ឍ"] = { "th", "o" },
["ណ"] = { "n", "a" },
["ត"] = { "t", "a" },
["ថ"] = { "th", "a" },
["ទ"] = { "t", "o" },
["ធ"] = { "th", "o" },
["ន"] = { "n", "o" },
["ប"] = { "b", "a" },
["ផ"] = { "ph", "a" },
["ព"] = { "p", "o" },
["ភ"] = { "ph", "o" },
["ម"] = { "m", "o" },
["យ"] = { "y", "o" },
["រ"] = { "r", "o" },
["ល"] = { "l", "o" },
["វ"] = { "v", "o" },
["ឝ"] = { "sh", "a" },
["ឞ"] = { "ss", "o" },
["ស"] = { "s", "a" },
["ហ"] = { "h", "a" },
["ឡ"] = { "l", "a" },
["អ"] = { "ʼ", "a" },
[""] = { "", "" },

["ប៉"] = { "p", "a" },
}

local digraph = {
["ហ្គ"] = "g", ["ហ្ន"] = "n", ["ហ្ម"] = "m", ["ហ្ល"] = "l", ["ហ្វ"] = "f", ["ហ្ស"] = "z",
}

local indep_vowel = {
["ឥ"] = "ʼĕ", ["ឦ"] = "ʼei",
["ឧ"] = "ʼŏ", ["ឨ"] = "ʼŏk", ["ឩ"] = "ʼŭ", ["ឪ"] = "ʼŏu",
["ឫ"] = "rœ̆", ["ឬ"] = "rœ",
["ឭ"] = "lœ̆", ["ឮ"] = "lœ",
["ឯ"] = "ʼé", ["ឰ"] = "ʼai", ["ឱ"] = "ʼaô", ["ឲ"] = "ʼaô", ["ឳ"] = "ʼâu",
}

local vowel_conv = {
[""] = { ["a"] = "â", ["o"] = "ô" },
["ា"] = { ["a"] = "a", ["o"] = "éa" },
["ិ"] = { ["a"] = "ĕ", ["o"] = "ĭ" },
["ី"] = { ["a"] = "ei", ["o"] = "i" },
["ឹ"] = { ["a"] = "œ̆", ["o"] = "œ̆" },
["ឺ"] = { ["a"] = "œ", ["o"] = "œ" },
["ុ"] = { ["a"] = "ŏ", ["o"] = "ŭ" },
["ូ"] = { ["a"] = "o", ["o"] = "u" },
["ួ"] = { ["a"] = "uŏ", ["o"] = "uŏ" },
["ើ"] = { ["a"] = "aeu", ["o"] = "eu" },
["ឿ"] = { ["a"] = "eua", ["o"] = "eua" },
["ៀ"] = { ["a"] = "iĕ", ["o"] = "iĕ" },
["េ"] = { ["a"] = "é", ["o"] = "é" },
["ែ"] = { ["a"] = "ê", ["o"] = "ê" },
["ៃ"] = { ["a"] = "ai", ["o"] = "ey" },
["ោ"] = { ["a"] = "aô", ["o"] = "oŭ" },
["ៅ"] = { ["a"] = "au", ["o"] = "ŏu" },
["ុំ"] = { ["a"] = "om", ["o"] = "ŭm" },
["ំ"] = { ["a"] = "âm", ["o"] = "um" },
["ាំ"] = { ["a"] = "ăm", ["o"] = "ŏâm" },
["ាំង"] = { ["a"] = "ăng", ["o"] = "eăng" },
["ះ"] = { ["a"] = "ăh", ["o"] = "eăh" },
["ុះ"] = { ["a"] = "ŏh", ["o"] = "uh" },
["េះ"] = { ["a"] = "éh", ["o"] = "éh" },
["ោះ"] = { ["a"] = "aŏh", ["o"] = "uŏh" },
["ឹះ"] = { ["a"] = "ĕh", ["o"] = "ĭh" },
["ិះ"] = { ["a"] = "ĕh", ["o"] = "ĭh" },
["ៈ"] = { ["a"] = "aʼ", ["o"] = "éaʼ" },
-- TODO: is the color really necessary here?
["័"] = { ["a"] = 'â', ["o"] = 'ô' },
}

local char_type = {
["ក"] = "consonant", ["ខ"] = "consonant", ["គ"] = "consonant", ["ឃ"] = "consonant", ["ង"] = "consonant",
["ច"] = "consonant", ["ឆ"] = "consonant", ["ជ"] = "consonant", ["ឈ"] = "consonant", ["ញ"] = "consonant",
["ដ"] = "consonant", ["ឋ"] = "consonant", ["ឌ"] = "consonant", ["ឍ"] = "consonant", ["ណ"] = "consonant",
["ត"] = "consonant", ["ថ"] = "consonant", ["ទ"] = "consonant", ["ធ"] = "consonant", ["ន"] = "consonant",
["ប"] = "consonant", ["ផ"] = "consonant", ["ព"] = "consonant", ["ភ"] = "consonant", ["ម"] = "consonant",
["យ"] = "consonant", ["រ"] = "consonant", ["ល"] = "consonant", ["វ"] = "consonant", ["ឝ"] = "consonant",
["ឞ"] = "consonant", ["ស"] = "consonant", ["ហ"] = "consonant", ["ឡ"] = "consonant", ["អ"] = "consonant",
["ឥ"] = "indep_vowel", ["ឦ"] = "indep_vowel", ["ឧ"] = "indep_vowel",
["ឨ"] = "indep_vowel", ["ឩ"] = "indep_vowel", ["ឪ"] = "indep_vowel", ["ឫ"] = "indep_vowel", ["ឬ"] = "indep_vowel",
["ឭ"] = "indep_vowel", ["ឮ"] = "indep_vowel", ["ឯ"] = "indep_vowel", ["ឰ"] = "indep_vowel", ["ឱ"] = "indep_vowel",
["ឲ"] = "indep_vowel", ["ឳ"] = "indep_vowel",
["ា"] = "vowel_sign", ["ិ"] = "vowel_sign", ["ី"] = "vowel_sign", ["ឹ"] = "vowel_sign", ["ឺ"] = "vowel_sign",
["ុ"] = "vowel_sign", ["ូ"] = "vowel_sign", ["ួ"] = "vowel_sign", ["ើ"] = "vowel_sign", ["ឿ"] = "vowel_sign",
["ៀ"] = "vowel_sign", ["េ"] = "vowel_sign", ["ែ"] = "vowel_sign",
["ៃ"] = "terminating_vowel",
["ោ"] = "vowel_sign", ["ៅ"] = "vowel_sign",
["ំ"] = "terminating_vowel", ["ះ"] = "terminating_vowel", ["ៈ"] = "terminating_vowel",
["៉"] = "consonant_shift", ["៊"] = "consonant_shift",
["់"] = "terminating_sign",
["៌"] = "sign", ["៍"] = "sign", ["៎"] = "sign", ["៏"] = "sign", ["័"] = "sign", ["៑"] = "sign",
["្"] = "combining_sign",
["៓"] = "sign",
["។"] = "punctuation", ["៕"] = "punctuation",
["៖"] = "sign",
["ៗ"] = "punctuation", ["៘"] = "punctuation", ["៙"] = "punctuation", ["៚"] = "punctuation", ["៛"] = "punctuation",
["ៜ"] = "sign", ["៝"] = "sign",
[""] = "ZWS",
}

local sp_symbols = {
["០"] = "0", ["១"] = "1", ["២"] = "2", ["៣"] = "3", ["៤"] = "4",
["៥"] = "5", ["៦"] = "6", ["៧"] = "7", ["៨"] = "8", ["៩"] = "9",
["៰"] = "0", ["៱"] = "1", ["៲"] = "2", ["៳"] = "3", ["៴"] = "4",
["៵"] = "5", ["៶"] = "6", ["៷"] = "7", ["៸"] = "8", ["៹"] = "9",
}

function export.tr(text, lang, sc)
if not sc then
sc = require("Module:languages").getByCode(lang):findBestScript(text)
else
sc = require("Module:scripts").getByCode(sc)
end
text = sc:fixDiscouragedSequences(text)
text = sc:toFixedNFD(text)
text = gsub(text, '[០-៹]', sp_symbols)
text = gsub(text, '(.)្(.្.)', '%1%2')
text = gsub(text, '([កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ]្[កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ])([កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ])', '%1%2')
text = gsub(text, '([កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ])([កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ]្?[កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ])', '%1%2')
text = gsub(text, '(.៍)', '%1')

for word in mw.ustring.gmatch(text, '[ក-៝]+') do
local original_text = word
local c, chartype, syl, curr_syl = {}, {}, {}, {}
local progress = 'none'

for i = 1, len(word) do
c[i] = sub(word, i, i)
chartype[i] = char_type[c[i]]
end

for i = 1, #c + 1 do
local next_types = {}
if i == #c + 1 or chartype[i] == 'ZWS' then
progress = 'none'
table.insert(syl, table.concat(curr_syl, ""))
curr_syl = {}
elseif progress == 'none' then
if chartype[i] == 'consonant' then
table.insert(curr_syl, c[i])
progress = 'initial'
else
table.insert(syl, c[i])
end
elseif progress == 'initial' then
if chartype[i] == 'combining_sign' then
table.insert(curr_syl, c[i])
progress = 'initial_combining'
elseif chartype[i] == 'sign' or chartype[i] == 'consonant_shift' then
table.insert(curr_syl, c[i])
elseif chartype[i] == 'vowel_sign' then
table.insert(curr_syl, c[i])
progress = 'vowel'
elseif chartype[i] == 'terminating_vowel' then
if c[i-1] .. c[i] .. (c[i+1] or '') == 'ាំង' and (i == #c - 1 or (i > #c + 1 and chartype[i+2] == 'consonant')) then
table.insert(curr_syl, c[i])
progress = 'vowel'
else
table.insert(curr_syl, c[i])
table.insert(syl, table.concat(curr_syl, ""))
curr_syl = {}
progress = 'none'
end
elseif chartype[i] == 'consonant' then
vowel_found = false
local j, skipped = i, 0
while not vowel_found do
if not chartype[j] or chartype[j] == 'punctuation' or chartype[j] == 'indep_vowel' or chartype[j] == 'terminating_sign' or chartype[j] == 'ZWS' then
skipped = 1
break
elseif chartype[j] == 'consonant' or chartype[j] == 'combining_sign' or (chartype[j] == 'sign' and c[j] ~= '័') then
table.insert(next_types, chartype[j])
else
vowel_found = true
end
j = j + 1
end
if skipped ~= 0 or match(table.concat(next_types, " "), 'consonant s?i?g?n? ?consonant') then
table.insert(curr_syl, c[i])
progress = 'coda'
else
table.insert(syl, table.concat(curr_syl, ""))
curr_syl = {c[i]}
progress = 'initial'
end
else
table.insert(syl, c[i])
progress = 'none'
end
elseif progress == 'initial_combining' then
if chartype[i] == 'consonant' then
table.insert(curr_syl, c[i])
progress = 'initial'
else
table.insert(syl, c[i])
progress = 'none'
end
elseif progress == 'vowel' then
if chartype[i] == 'vowel_sign' then
table.insert(curr_syl, c[i])
elseif chartype[i] == 'terminating_vowel' then
if c[i-1] .. c[i] .. (c[i+1] or '') == 'ាំង' and (i == #c - 1 or (i > #c + 1 and chartype[i+2] == 'consonant')) then
table.insert(curr_syl, c[i])
progress = 'vowel'
else
table.insert(curr_syl, c[i])
table.insert(syl, table.concat(curr_syl, ""))
curr_syl = {}
progress = 'none'
end
elseif chartype[i] == 'consonant' then
vowel_found = false
local j, skipped = i, 0
while not vowel_found do
if not chartype[j] or chartype[j] == 'punctuation' or chartype[j] == 'indep_vowel' or chartype[j] == 'terminating_sign' or chartype[j] == 'ZWS' then
skipped = 1
break
elseif chartype[j] == 'consonant' or chartype[j] == 'combining_sign' or (chartype[j] == 'sign' and c[j] ~= '័') then
table.insert(next_types, chartype[j])
else
vowel_found = true
end
j = j + 1
end
if skipped ~= 0 or match(table.concat(next_types, " "), 'consonant s?i?g?n? ?consonant') then
table.insert(curr_syl, c[i])
progress = 'coda'
else
table.insert(syl, table.concat(curr_syl, ""))
curr_syl = {c[i]}
progress = 'initial'
end
else
table.insert(syl, c[i])
progress = 'none'
end
elseif progress == 'coda' then
if chartype[i] == 'combining_sign' then
table.insert(curr_syl, c[i])
progress = 'coda_combining'
elseif chartype[i] == 'sign' or chartype[i] == 'terminating_sign' then
table.insert(curr_syl, c[i])
else
table.insert(syl, table.concat(curr_syl, ""))
curr_syl = {}
if chartype[i] == 'consonant' then
table.insert(curr_syl, c[i])
progress = 'initial'
else
table.insert(syl, c[i])
progress = 'none'
end
end
elseif progress == 'coda_combining' then
if chartype[i] == 'consonant' then
table.insert(curr_syl, c[i])
progress = 'coda'
else
table.insert(syl, table.concat(curr_syl, ""))
curr_syl = {}
progress = 'none'
end
end
end

for i = 1, #syl do
if match(syl[i], '៍') then
syl[i] = '<del>' .. gsub(syl[i], '.', function(consonant)
if cons_conv[consonant] then
return cons_conv[consonant][1]
end end) .. '</del>'
break
end
syl[i] = gsub(syl[i], '់$', '')

syl[i] = gsub(syl[i], '^([កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ])្?([កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ]?)([៉៊]?)([ិីឹឺុូួើឿៀេែៃោៅា័]?[ំះៈ]?)([៉៊]?)([កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ]?៉?)្?([កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ]?)(៖?)$', function(initial_a, initial_b, cons_shifter_a, vowel, cons_shifter_b, coda_a, coda_b, optional_sign)
if cons_shifter_a .. cons_shifter_b .. vowel .. coda_a .. coda_b == '' and initial_b ~= '' and not match(syl[i], '្') then
coda_a = initial_b
initial_b = ''
end
base = initial_a
if initial_b ~= '' and not match(initial_b, '[ងញនមយរលវ]') then
base = initial_b
end
if vowel .. coda_a .. coda_b == 'ាំង' then
vowel, coda_a, coda_b = 'ាំង', '', ''
end
optional_sign = gsub(optional_sign, '៖', 'ː')

cons_shifter = cons_shifter_a .. cons_shifter_b
if cons_shifter == '' and cons_conv[base] then
vowel_class = cons_conv[base][2]
elseif cons_shifter == '៉' then
vowel_class = 'a'
elseif cons_shifter == '៊' then
vowel_class = 'o'
else
return initial_a .. initial_b .. cons_shifter .. vowel .. coda_a .. coda_b .. optional_sign
end

if digraph[initial_a .. '្' .. initial_b] and (digraph[coda_a .. '្' .. coda_b] or (cons_conv[coda_a] and cons_conv[coda_b])) and vowel_conv[vowel] then
return digraph[initial_a .. '្' .. initial_b] .. vowel_conv[vowel][vowel_class] .. (digraph[coda_a .. '្' .. coda_b] or cons_conv[coda_a][1] .. cons_conv[coda_b][1]) .. optional_sign

elseif cons_conv[initial_a] and cons_conv[initial_b] and vowel_conv[vowel] and cons_conv[coda_a] and cons_conv[coda_b] then
return cons_conv[initial_a][1] .. cons_conv[initial_b][1] .. vowel_conv[vowel][vowel_class] .. cons_conv[coda_a][1] .. cons_conv[coda_b][1] .. optional_sign
end end)

if syl[i] == 'ៗ' and i > 1 then
syl[i] = syl[i-1]
end
end
word = table.concat(syl, "")
text = gsub(text, original_text, word)
end

text = gsub(text, '.', indep_vowel)
text = gsub(text, '([^ ]*) ៗ', '%1 %1')

return toNFC(text)
-- To do: other signs
end

return export

Module:km-translit - Revision history

Sware: 1 revision imported

wikt>Surjection at 10:25, 12 September 2025