local export = {}
local m_str_utils = require("Module:string utilities")
local gsub = m_str_utils.gsub
local match = m_str_utils.match
local toNFD = mw.ustring.toNFD
local U = m_str_utils.char
local diphthongs = mw.loadData("Module:IPA/data").diphthongs
local vowels = mw.loadData("Module:IPA/data/symbols").vowels .. "ᵻ" .. "ᵿ"
--[[ No use for this at the moment, though it is an interesting catalogue.
It might be usable for phonetic transcriptions.
Diacritics added to vowels:
inverted breve above, inverted breve below,
up tack, down tack,
left tack, right tack,
diaeresis (above), diaeresis below,
right half ring, left half ring,
plus sign below, minus sign below,
combining x above, rhotic hook,
tilde (above), tilde below
ligature tie (combining double breve), ligature tie below
]]
local diacritics = U(
0x311, 0x32F,
0x31D, 0x31E,
0x318, 0x319,
0x308, 0x324,
0x339, 0x31C,
0x31F, 0x320,
0x33D, 0x2DE,
0x303, 0x330,
0x361, 0x35C
)
--[[
combining acute and grave tone marks, circumflex
]]--
local tone = "[" .. U(0x341, 0x340, 0x302) .. "]"
local nonsyllabicDiacritics = U(0x311, 0x32F)
local syllabicDiacritics = U(0x0329, 0x030D)
local ties = U(0x361, 0x35C)
-- long, half-long, extra short
local lengthDiacritics = U(0x2D0, 0x2D1, 0x306)
local vowel = "[" .. vowels .. "]" .. tone .. "?"
local tie = "[" .. ties .. "]"
local nonsyllabicDiacritic = "[" .. nonsyllabicDiacritics .. "]"
local syllabicDiacritic = "[" .. syllabicDiacritics .. "]"
local UTF8Char = "[\1-\127\194-\244][\128-\191]*"
function export.getVowels(remainder, lang)
if string.find(remainder, "^[%[/]?%-") or string.find(remainder, "%-[%[/]?$") then
return nil
end -- If a hyphen is at the beginning or end of the transcription, do not count syllables.
local count = 0
local diphs = diphthongs[lang:getCode()] or {}
remainder = toNFD(remainder)
remainder = string.gsub(remainder, "%((.*)%)", "%1") -- Remove parentheses.
while remainder ~= "" do
-- Ignore nonsyllabic vowels
remainder = gsub(remainder, "^" .. vowel .. nonsyllabicDiacritic, "")
local m =
match(remainder, "^." .. syllabicDiacritic) or -- Syllabic consonant
match(remainder, "^" .. vowel .. tie .. vowel) -- Tie bar
-- Starts with a recognised diphthong?
for _, diph in ipairs(diphs) do
if m then
break
end
m = m or match(remainder, "^" .. diph)
end
-- If we haven't found anything yet, just match on a single vowel
m = m or match(remainder, "^" .. vowel)
if m then
-- Found a vowel, add it
count = count + 1
remainder = string.sub(remainder, #m + 1)
else
-- Found a non-vowel, skip it
remainder = string.gsub(remainder, "^" .. UTF8Char, "")
end
end
if count ~= 0 then return count end
return nil
end
function export.countVowels2Test(frame)
local params = {
[1] = {required = true},
[2] = {default = ""},
}
local args = require("Module:parameters").process(frame.args, params)
local lang = require("Module:languages").getByCode(args[1]) or require("Module:languages").err(args[1], 1)
local count = export.getVowels(args[2], lang)
return 'The text "' .. args[2] .. '" contains ' .. count .. ' vowels.'
end
local function countVowels(text)
text = toNFD(text) or error("Invalid UTF-8")
local _, count = gsub(text, vowel, "")
local _, sequenceCount = gsub(text, vowel.."+", "")
local _, nonsyllabicCount = gsub(text, vowel .. nonsyllabicDiacritic, "")
local _, tieCount = gsub(text, vowel .. tie .. vowel, "")
local diphthongCount = count - (nonsyllabicCount + tieCount)
return count, sequenceCount, diphthongCount
end
local function countDiphthongs(text, lang)
text = toNFD(text) or error("Invalid UTF-8")
local diphthongs = diphthongs[lang:getCode()] or {}
local _, count
local total = 0
if diphthongs then
for i, diphthong in pairs(diphthongs) do
_, count = gsub(text, diphthong, "")
total = total + count
end
end
return total
end
function export.countVowels(frame)
local params = {
[1] = {default = ""},
}
local args = require("Module:parameters").process(frame.args, params)
local count, sequenceCount, diphthongCount = countVowels(args[1])
local outputs = {}
table.insert(outputs, (count or 'an unknown number of') .. ' vowels')
table.insert(outputs, (sequenceCount or 'an unknown number of') .. ' vowel sequences')
table.insert(outputs, (diphthongCount or 'an unknown number of') .. ' vowels or vowels and diphthongs')
return 'The text "' .. args[1] .. '" contains ' .. mw.text.listToText(outputs) .. "."
end
function export.countVowelsDiphthongs(frame)
local params = {
[1] = {required = true},
[2] = {default = ""},
}
local args = require("Module:parameters").process(frame.args, params)
local lang = require("Module:languages").getByCode(args[1]) or require("Module:languages").err(args[1], 1)
local vowels = countVowels(args[2])
local count = vowels - countDiphthongs(args[2], lang) or 0
local out = 'The text "' .. args[2] .. '" contains ' .. (count or 'an unknown number of')
if count == 1 then
out = out .. ' vowel or diphthong.'
else
out = out .. ' vowels or diphthongs.'
end
return out
end
return export