Module:mga-sortkey

The following documentation is located at Module:mga-sortkey/documentation. ^[edit] Categories were auto-generated by Module:module categorization. ^[edit]

Useful links: subpage list • links • transclusions • testcases • sandbox

This module will sort Middle Irish language text. The module should preferably not be called directly from templates or other modules. To use it from a template, use {{sortkey}}. Within a module, use Module:languages#Language:makeSortKey.

For testcases, see Module:mga-sortkey/testcases.

Functions

makeSortKey(text, lang, sc): Generates a sortkey for a given piece of text written in the script specified by the code sc, and language specified by the code lang.; When the sort fails, returns nil.

local export = {}
local u = mw.ustring.char

local remove_diacritics = u(0x0301) .. "-"

local oneChar = {
	["æ"] = "e"
}

function export.makeSortKey(text, lang, sc)
	text = mw.ustring.gsub(mw.ustring.lower(mw.ustring.toNFD(text)), "^h", "")
	
	return mw.ustring.upper(mw.ustring.toNFC(mw.ustring.gsub(mw.ustring.toNFD(mw.ustring.gsub(text, ".", oneChar)), "[" .. remove_diacritics .. "]", "")))
end

return export