package funkin.util; import haxe.Json; import haxe.io.Bytes; import thx.semver.Version; typedef ScoreInput = { var d:Int; // Key pressed var l:Int; // Duration var t:Int; // Start timestamp } /** * A class of functions dedicated to serializing and deserializing data. */ class SerializerUtil { static final INDENT_CHAR = "\t"; /** * Convert a Haxe object to a JSON string. */ public static function toJSON(input:Dynamic, pretty:Bool = true):String { return Json.stringify(input, replacer, pretty ? INDENT_CHAR : null); } /** * Convert a JSON string to a Haxe object. */ public static function fromJSON(input:String):Dynamic { try { return Json.parse(input); } catch (e) { trace('An error occurred while parsing JSON from string data'); trace(e); return null; } } /** * Convert a JSON byte array to a Haxe object. */ public static function fromJSONBytes(input:Bytes):Dynamic { try { return Json.parse(input.toString()); } catch (e:Dynamic) { trace('An error occurred while parsing JSON from byte data'); trace(e); return null; } } /** * Customize how certain types are serialized when converting to JSON. */ static function replacer(key:String, value:Dynamic):Dynamic { // Hacky because you can't use `isOfType` on a struct. if (key == "version") { if (Std.isOfType(value, String)) return value; // Stringify Version objects. return serializeVersion(cast value); } // Else, return the value as-is. return value; } static inline function serializeVersion(value:thx.semver.Version):String { var result = '${value.major}.${value.minor}.${value.patch}'; if (value.hasPre) result += '-${value.pre}'; // TODO: Merge fix for version.hasBuild if (value.build.length > 0) result += '+${value.build}'; return result; } }