Module:VarsUtil

-- from https://thealchemistcode.fandom.com/wiki/Module:VarsUtil local util_args = require ('Module:ArgsUtil') local binser = require('binser') local VariablesLua = mw.ext.VariablesLua do -- Remove when extension is installed. VariablesLua = VariablesLua or { var = function(var, default) return mw.getCurrentFrame:callParserFunction('#var', var, default) end, vardefine = function(var, val) return mw.getCurrentFrame:callParserFunction('#vardefine', var, val) end, vardefineecho = function(var, val) return mw.getCurrentFrame:callParserFunction('#vardefineecho', var, val) end, } end

local p = {}

function p.getVar(var) local val = VariablesLua.var(var) if val == '' then return nil end return val end

function p.getBool(var) local val = p.getVar(var) return util_args.castAsBool(val) end

function p.setBool(var, val) if type(val) == 'string' then val = util_args.castAsBool(val) end if val then p.setVar(var, 'Yes') return end p.setVar(var, 'No') end

function p.setVar(var, val) VariablesLua.vardefine(var, val) return val end

function p.setVarOnlyIf(var, val) if not val then return end p.setVar(var, val) end

function p.getGlobalIndex(name) local val = p.getVar('luaGlobalIndex' .. name) return tonumber(val or 0) or 0 end

function p.setGlobalIndex(name) local n = p.getGlobalIndex(name) + 1 p.setVar('luaGlobalIndex' .. name, n)	return n end

function p.resetGlobalIndex(name, val) val = val or 0 p.setVar('luaGlobalIndex' .. name, val) return val end

function p.appendToList(name, val, sep) -- this is just for helping to debug and shouldn't actually be used ever probably sep = sep or ', ' local old_val = p.getVar(name) or '' p.setVar(name, old_val .. sep .. val) end

function p.log(val) if type(val) == 'table' then p.logObject(val) return end p.appendToList('log', tostring(val)) end

function p.logObject(val) local tbl = {} for k, v in pairs(val) do tbl[#tbl+1] = k .. ': ' .. tostring(v) end p.appendToList('log', table.concat(tbl,', ')) end

function p.clearAll(tbl) for _, v in ipairs(tbl) do		p.setVar(v, '') end end

function p.setTypedVar(var, val) local val_to_store = binser.serialize(val) p.setVar(var, val_to_store) end

function p.getTypedVar(var) local val = p.getVar(var) if not val then return nil end return binser.deserialize(val)[1] end

function p.setObject(var, val) local val_to_store = binser.serialize(val) p.setVar(var, val_to_store) end

function p.getObject(var) local val = p.getVar(var) if not val then return nil end return binser.deserialize(val)[1] end

return p