Module:wlm-sortkey
- The following documentation is located at Module:wlm-sortkey/documentation. [edit] Categories were auto-generated by Module:module categorization. [edit]
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This module will sort Middle Welsh 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:wlm-sortkey/testcases.
Functions
makeSortKey(text, lang, sc)- Generates a sortkey for a given piece of
textwritten in the script specified by the codesc, and language specified by the codelang. - When the sort fails, returns
nil.
local export = {} local u = mw.ustring.char local a = u(0xF000) local remove_diacritics = u(0x0300) .. "-" .. u(0x0302) .. u(0x0308) .. "'" -- grave, acute, circumflex, diaeresis, apostrophe local oneChar = { ["k"] = "c" } local twoChars = { ["ch"] = "c" .. a, ["dd"] = "d" .. a, ["ff"] = "f" .. a, ["ll"] = "l" .. a, ["ph"] = "p" .. a, ["rh"] = "r" .. a, ["th"] = "t" .. a } local threeChars = { ["ngh"] = "g" .. a } function export.makeSortKey(text, lang, sc) text = mw.ustring.lower(text) for from, to in pairs(threeChars) do text = mw.ustring.gsub(text, from, to) end for from, to in pairs(twoChars) do text = mw.ustring.gsub(text, from, to) end return mw.ustring.upper(mw.ustring.toNFC(mw.ustring.gsub(mw.ustring.toNFD(mw.ustring.gsub(text, ".", oneChar)), "[" .. remove_diacritics .. "]", ""))) -- decompose, remove appropriate diacritics, then recompose again end return export