Edge Rewrite
// HTMLRewriter · presentation

This page was redesigned at the edge.

Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.

Jump to content

Module:Unicode data/age/make

From Wikipedia, the free encyclopedia

local p = {}

function p.main(frame)
	local page = frame.args[1] or "User:Erutuon/Unicode/DerivedAge.txt"
	local text = assert(mw.title.new(page):getContent())
	local singles, ranges = {}, {}
	for code_point1, code_point2, age in text:gmatch("%f[^\n%z](%x+)%.?%.?(%x*)%s*;%s*([%d.]+)") do
		code_point1, code_point2 = tonumber(code_point1, 16), tonumber(code_point2, 16)
		local last_range = ranges[#ranges]
		if last_range and last_range[2] == code_point1 - 1 and last_range[3] == age then
			last_range[2] = code_point2 or code_point1
		elseif singles[code_point1 - 1] == age then
			singles[code_point1 - 1] = nil
			table.insert(ranges, { code_point1 - 1, code_point2 or code_point1, age })
		else
			if not code_point2 then
				singles[code_point1] = age
			else
				table.insert(ranges, { code_point1, code_point2, age })
			end
		end
	end
	
		local template = [[
return {
	singles = {
...
	},
	ranges = {
...
	},
	aliases = {
...
	},
}
]]

	table.sort(
		ranges,
		function(range1, range2)
			return range1[1] < range2[1]
		end)
	
	local function make_padding(age)
		return (" "):rep(#'"12.1"' - (#age + 2))
	end
	
	local Array = require "Module:array"
	local printed_ranges = Array()
	for _, range in ipairs(ranges) do
		local low, high, age = unpack(range)
		printed_ranges:insert(('\t\t{ 0x%06X, 0x%06X, %s%q },')
			:format(low, high, make_padding(age), age))
	end
	
	local printed_singles = Array()
	for codepoint, age in require 'Module:TableTools'.sortedPairs(singles) do
		printed_singles:insert(('\t\t[0x%06X] = %s%q,')
			:format(codepoint, make_padding(age), age))
	end
	
	local printed_aliases = Array()
	local property_value_aliases = mw.title.new "User:Erutuon/Unicode/PropertyValueAliases.txt":getContent()
	local age_aliases = property_value_aliases:match "# Age[^\n]+%s*(.-)%s*%f[^\n]#"
	for age, alias in age_aliases:gmatch "age%s*;%s*(%S+)%s*;%s*(%S+)" do
		printed_aliases:insert(('\t\t[%s"%s"] = "%s",')
			:format(make_padding(age), age, alias))
	end
	
	local data = template
		:gsub('%.%.%.', printed_singles:concat('\n'), 1)
		:gsub('%.%.%.', printed_ranges:concat('\n'), 1)
		:gsub('%.%.%.', printed_aliases:concat('\n'), 1)
	
	return mw.getCurrentFrame():extensionTag{
		name = "syntaxhighlight",
		content = data,
		args = { lang = "lua" }
	}
end

return p