Modul:Parse

Dokumentace  

local p = {}

local CHAR, SET, REPLACE = 0x1, 0x2, 0x4

-- https://www.mediawiki.org/wiki/Extension:Scribunto/Lua_reference_manual#Character_class
local escapeChars = {
	['^'] = CHAR + SET,
	['$'] = CHAR,
	['('] = CHAR,
	[')'] = CHAR,
	['%'] = CHAR + SET + REPLACE,
	['.'] = CHAR,
	['['] = CHAR + SET,
	[']'] = CHAR + SET,
	['*'] = CHAR,
	['+'] = CHAR,
	['-'] = CHAR + SET,
	['?'] = CHAR,
}

local function escape(c, context)
	local bit32 = require( 'bit32' )
	local mask = escapeChars[c] or 0x0
	if bit32.btest(mask, context) then
		return '%' .. c
	else
		return c
	end
end

function p.splitAndMap(str, data, separator, unified_param, marker)
	if not marker or marker == '' then
		marker = ','
	elseif mw.ustring.len(marker) > 1 then
		error('marker must be a single character')
	end
	local string_to_parse = mw.text.trim(str)
	string_to_parse = mw.ustring.gsub(
		string_to_parse,
		'(' .. string.char(0x7F) .. '.-' .. string.char(0x7F) .. ')',
		escape(marker, REPLACE) .. '%1' .. escape(marker, REPLACE))
	string_to_parse = mw.ustring.gsub(
		string_to_parse,
		escape(marker, CHAR) .. '[' .. escape(marker, SET) .. ' ]*',
		escape(marker, REPLACE))
	local parsed_table = mw.text.split(string_to_parse, marker, true)
	for pos, arg in pairs(parsed_table) do
		if unified_param == nil then
			if data[arg] ~= nil then
				parsed_table[pos] = data[arg]
			else
				parsed_table[pos] = arg
			end
		else
			if string.match(arg, string.char(0x7F)) == nil then
				arg = string.gsub(unified_param, '%(hodnota%)', arg)
			end
			parsed_table[pos] = arg
		end
	end

	return table.concat(parsed_table, separator)
end

function p.horizontalList(context)
	return p.splitAndMap(context.args[1], context.args, '', context.args[2])
end

function p.countriesWithFlags(context)
	local data = {}
	local __index = function (t, key)
		if mw.ustring.find(key, '[%[%]|<>]') then
			return nil
		end
		local value = context:expandTemplate{ title = 'Vlajka a název', args = { key } }
		t[key] = value
		return value
	end
	setmetatable(data, { __index = __index })
	return p.splitAndMap(context.args[1], data, '<br>')
end

function p.regions(context)
	local data = {}
	local __index = function (t, key)
		if mw.ustring.find(key, '[%[%]|<>]') then
			return nil
		end
		local value = '[[okres ' .. key .. '|' .. key .. ']]'
		t[key] = value
		return value
	end
	setmetatable(data, { __index = __index })
	return p.splitAndMap(context.args[1], data, ', ')
end

function p.ghsStatements(context)
	local codes = mw.text.trim(context.args[1])
	local marker = '+'
	local statements = mw.text.split(codes, marker, true)
	local known = context.args
	for _, statement in pairs(statements) do
		if known[statement] == nil then
			return '">' .. context:expandTemplate{title = 'Chyba', args = {'Neznámá věta'}} .. ' <span title="'
		end
	end
	return p.splitAndMap(codes, known, ' ', context.args[2], marker)
end

return p