Module:User:Erutuon/syllables/sandbox

The following documentation is located at Module:User:Erutuon/syllables/sandbox/documentation. ^[edit] Categories were auto-generated by Module:documentation. ^[edit]

Useful links: root page • root page’s subpages • links • transclusions • testcases • sandbox of

	This module needs documentation.
	Please document this module by describing its purpose and usage on the documentation page.

local export = {}

local U = mw.ustring.char
local UTF8_char = "[\1-\127\194-\244][\128-\191]*"

local function characters_to_set(str)
	local set = {}
	for character in string.gmatch(str, UTF8_char) do
		set[character] = true
	end
	return set
end

local function make_set(...)
	if select(2, ...) then
		local set = {}
		for i, char in ipairs{ ... } do
			set[char] = true
		end
		return set
	else
		return characters_to_set(select(1, ...))
	end
end

local info = {}
info.is_vowel = make_set "iyɨʉɯuɪʏʊeøɘɵɤoəɚɛœɜɝɞʌɔæɐaɶɑɒäëïöüÿ"
info.nonsyllabic = make_set(U(0x311), U(0x32F))

function export.count(IPA)
	local count = 0
	local prev
	for character in string.gmatch(IPA, UTF8_char) do
		if info.is_vowel[character] then
			count = count + 1
		elseif info.nonsyllabic[character] then
			count = count - 1
		end
		prev = character
	end
	return count
end

mw.logObject(info)

return export