Module:Unichar

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Revision as of 05:02, 29 June 2018 by blackwiki>Erutuon (adapted version of show function from Module:Unicode data/testcases)
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Tests

  • U+00A9 © COPYRIGHT SIGN
  • U+0378 <reserved-0378>
  • U+AC00 가 HANGUL SYLLABLE GA



local p = {}

local Unicode_data = require "Module:Unicode data"

local function errorf(level, ...)
	if type(level) == number then
		return error(string.format(...), level + 1)
	else -- level is actually the format string.
		return error(string.format(level, ...), 2)
	end
end

local U = mw.ustring.char
local function show(codepoint)
	if Unicode_data.is_printable(codepoint) then
		local printed_codepoint = U(codepoint)
		if mw.ustring.toNFC(printed_codepoint) ~= printed_codepoint then
			printed_codepoint = ("&#x%X;"):format(codepoint)
		end
		if Unicode_data.is_combining(codepoint) then
			printed_codepoint = "◌" .. printed_codepoint
		end
		return ("%s"):format(printed_codepoint)
	else
		return ""
	end
end

function p.unichar(frame)
	local codepoint = frame.args[1]
	codepoint = tonumber(codepoint, 16)
		or errorf("hexadecimal number expected, got '%s'", codepoint)
	
	return ("U+%04X %s %s"):format(codepoint, show(codepoint),
		Unicode_data.lookup_name(codepoint))
end

return p