/// <summary>
/// Deserializes a string into a boolean.
/// </summary>
/// <param name="str">The string to deserialize.</param>
/// <param name="settings">The settings for how to handle certain parts.</param>
/// <param name="location">OPTIONAL: Used to put a location on errors.</param>
/// <returns>The deserialized boolean.</returns>
public static bool DeserializeBool(string str, ABSaveSettings settings, int location = 0)
{
// Get a lower case version of the string for easier comparison.
var lower = str.ToLower();
// If it's "F", return false.
if (lower == "f")
{
return(false);
}
// If it's "T", return true.
else if (lower == "t")
{
return(true);
}
// Otherwise, there's a problem.
else
{
settings.ErrorHandler.InvalidValueInABSaveWhenParsing(location, "The boolean given: " + str + " is not valid.");
}
// If we got here, it failed and so the value doesn't matter.
return(false);
}
static bool AttemptToCreateIdentifiedType(Type typ, ABSaveSettings settings, bool useSB, StringBuilder sb, ref string identifiedType)
{
// Create the new string.
var str = SerializeType(typ, useSB, sb);
// If the number "settings.HighestIdentifiedType" is too high, we can't do it anymore in the future.
if (settings.HighestIdentifiedType + 1 == short.MaxValue)
{
return(settings.CurrentlyCanIdentifyTypes = false);
}
// Now, add it as an item, so that this type can be identified easier in the future.
settings.RememberedTypes.Add(new Helpers.ABSaveIdentifiedType(settings.HighestIdentifiedType++, str, typ));
// We'll now write out the key for this type, as well as the actual type.
if (useSB)
{
sb.Append(settings.RememberedTypes[settings.HighestIdentifiedType - 1].WrittenKey);
}
else
{
identifiedType = str + new string(settings.RememberedTypes[settings.HighestIdentifiedType - 1].WrittenKey);
}
return(true);
}
static bool AttemptToUseRememberedType(Type typ, ABSaveSettings settings, bool useSB, StringBuilder sb, out string identifiedType)
{
identifiedType = "";
// If we can't remember types, then this won't work.
if (!settings.RememberTypes)
{
return(false);
}
// Check for an already identifed type.
var key = settings.SearchForIdentifiedType(typ);
// If we can't find one, we'll attempt to create one, and if we can't even create one, then just write it.
if (key == null && settings.CurrentlyCanIdentifyTypes)
{
return(AttemptToCreateIdentifiedType(typ, settings, useSB, sb, ref identifiedType));
}
else if (useSB)
{
sb.Append(key);
}
else
{
identifiedType = new string(key);
}
// Since we've got here without stopped, we were successful.
return(true);
}
public void Setup()
{
Settings = ABSaveSettings.ForSize;
CurrentMap = new ABSaveMap(Settings);
CurrentGenerator = new MapGenerator();
CurrentGenerator.Initialize(CurrentMap);
}
public static void WriteHeader(ABSaveType type, StringBuilder sb, ABSaveSettings settings, bool writeHeader)
{
// If we shouldn't write the header, then don't do it.
if (!writeHeader)
{
return;
}
// Insert the type ("U" for unnamed and "N" for named and types, "V" for unnamed without types, "M" for named without types)
if (settings.WithTypes)
{
sb.Append(type == ABSaveType.NoNames ? 'U' : 'N');
}
else
{
sb.Append(type == ABSaveType.NoNames ? 'V' : 'M');
}
// Insert version number - if needed.
if (settings.HasVersion)
{
sb.Append(settings.Version);
}
// End the header off.
sb.Append('\u0001');
}
public static ABSaveMap GetNonGeneric(Type type, ABSaveSettings settings)
{
var map = new ABSaveMap(settings);
MapGenerator?generator = map.GetGenerator();
map._rootItem = generator.GetMap(type);
ReleaseGenerator(generator);
return(map);
}
internal static void SerializeArrayItem(ABSaveType type, ABSaveSettings settings, bool useSB, StringBuilder sb, bool dnWriteEndLevel, ref string ret, ref bool notFirst, ref ABSavePrimitiveType lastType, dynamic item)
{
// Serialize the item and write to either the StringBuilder or the "ret"...
ret += Serialize(item, type, settings, out lastType, useSB, sb, RequiresLowerInnerLevelSymbol(lastType) ? false : notFirst, dnWriteEndLevel);
// Update the "notFirst" variable.
if (!notFirst)
{
notFirst = true;
}
}
/// <summary>
/// Deserializes a string into a number (int, long, double etc.)
/// </summary>
/// <param name="str">The string to deserialize.</param>
/// <param name="settings">The settings for how to handle certain parts.</param>
/// <param name="location">OPTIONAL: Used to put a location on errors.</param>
/// <param name="targetType">Used to specify what target number type you want (int, long, double etc.)</param>
/// <returns>The deserialized value.</returns>
public static object DeserializeNumber(string str, Type targetType, ABSaveSettings settings, int location = 0)
{
// Attempt to parse it.
var passed = decimal.TryParse(str, out decimal result);
// If it fails to parse, the value isn't valid, so that will throw an error.
if (!passed)
{
settings.ErrorHandler.InvalidValueInABSaveWhenParsing(location, "The number given: " + str + " is not valid for the type: " + targetType.Name);
return(null);
}
// Otherwise, go ahead and return it!
return(Convert.ChangeType(result, targetType));
}
public void Initialize(ABSaveSettings template, Dictionary <Type, uint> targetVersions = null, bool lazyWriteCompressed = false)
{
var settings = template.Customize(b => b
.SetLazyWriteCompressed(lazyWriteCompressed)
.AddConverter <BaseTypeConverter>()
.AddConverter <SubTypeConverter>()
.AddConverter <OtherTypeConverter>()
);
CurrentMap = ABSaveMap.Get <EmptyClass>(settings);
Stream = new MemoryStream();
Serializer = CurrentMap.GetSerializer(Stream, targetVersions);
Deserializer = CurrentMap.GetDeserializer(Stream);
}
/// <summary>
/// Serializes a dictionary.
/// </summary>
/// <param name="obj">The dictionary to serialize.</param>
/// <param name="useSB">Whether this will write to a string builder (if true), or return a string (if false).</param>
/// <param name="sb">The StringBuilder to write to - if <paramref name="useSB"/> is true.</param>
/// <param name="dnWriteEndLevel">"Do Not Write End Level Symbol" - Marks whether to NOT write \u0005 (if true), commonly used for the last object of all.</param>
/// <returns>If <paramref name="useSB"/> is false, this method will return the result as a string.</returns>
public static string SerializeDictionary(dynamic obj, ABSaveType type, ABSaveSettings settings, bool useSB = false, StringBuilder sb = null, bool dnWriteEndLevel = false)
{
// Create a variable to store what we'll return.
var ret = "";
// Keep track of whether we're on the first item or not.
var notFirst = false;
// Write the opening for the array.
ret += ABSaveWriter.WriteDictionaryOpening(useSB, sb);
// Now, go through each item in the dictionary.
foreach (var element in obj)
{
// If this isn't the first item, write the "next item" character.
if (notFirst)
{
ret += ABSaveWriter.WriteNextItem(true, useSB, sb);
}
// Add the key to it.
if (useSB)
{
sb.Append(element.Key);
}
else
{
ret += element.Key;
}
// Serialize the item and write to either the StringBuilder or the "ret"
ret += Serialize(element.Value, type, settings, useSB, sb, true, dnWriteEndLevel);
// Update the "notFirst" variable if needed.
if (!notFirst)
{
notFirst = true;
}
}
// Write the closing for the dictionary.
ret += ABSaveWriter.WriteObjectClose(dnWriteEndLevel, useSB, sb);
// Now, "ret" would be empty if we were using a StringBuilder, however, if we weren't... It will have the correct string in it so return it.
return(ret);
}
/// <summary>
/// Writes the type data that goes before an object or array.
/// Which usually includes a key.
/// </summary>
/// <param name="typ">The type to write as a string.</param>
/// <param name="useSB">Whether we are writing to a StringBuilder or not.</param>
/// <param name="sb">The StringBuilder to write to - if we're writing to one at all.</param>
/// <param name="settings">The settings for how to handle certain parts.</param>
/// <returns>Returns the type as a string.</returns>
public static string SerializeTypeBeforeObject(Type typ, ABSaveSettings settings, bool useSB = false, StringBuilder sb = null)
{
// Don't do anything if we're not meant to.
if (!settings.WithTypes)
{
return("");
}
// Attempt use a remembered type (or create one) - and return with that.
var attempt = AttemptToUseRememberedType(typ, settings, useSB, sb, out string res);
// If that attempt was successful, then we'll use that.
if (attempt)
{
return(res);
}
// If we weren't able to use an identified type, then we'll just have to write the type, not bothering with any of the identified type..
return(SerializeType(typ, useSB, sb));
}
/// <summary>
/// Creates a new ABSaveParser with all the correct configuration.
/// </summary>
/// <param name="objType">The type of the object to parse.</param>
/// <param name="type">The way to handle the ABSave string.</param>
/// <param name="settings">The settings for it.</param>
public ABSaveParser(ABSaveType type, ABSaveSettings settings)
{
// Set all the tokens for the ABSave.
Tokens = new System.Collections.ObjectModel.ObservableCollection <ABParserToken>()
{
new ABParserToken(nameof(ABSaveTokens.NextItem), '\u0001'),
new ABParserToken(nameof(ABSaveTokens.Null), '\u0002'),
new ABParserToken(nameof(ABSaveTokens.StartObject), '\u0003'),
new ABParserToken(nameof(ABSaveTokens.StartArray), '\u0004'),
new ABParserToken(nameof(ABSaveTokens.ExitObject), '\u0005'),
new ABParserToken(nameof(ABSaveTokens.StartDictionary), '\u0006'),
};
// Set the correct settings.
Settings = settings;
Settings.ErrorHandler.ErrorEncountered += (e) => IsProcessing = false;
// Set the type for now.
ABSaveType = type;
}
/// <summary>
/// Figures out what a string is and how to deserialize it. This does not deserialize objects, arrays or dictionaries, however.
/// </summary>
/// <param name="str">The string to deserialize.</param>
/// <param name="objType">The type of the object to deserialize to.</param>
/// <param name="settings">The settings for how to handle certain parts.</param>
/// <param name="location">OPTIONAL: This is used to add a location to the error from the <paramref name="settings"/></param>
/// <returns>The deserialized object - can be null if it needs to be manually parsed.</returns>
public static object Deserialize(string str, Type objType, ABSaveSettings settings, int location = 0)
{
return(Deserialize(str, objType, settings, out ABSavePrimitiveType none, out bool none2, location));
}
public static ABSaveMap Get <T>(ABSaveSettings settings) => GetNonGeneric(typeof(T), settings);
// Internal for use with unit tests.
internal ABSaveMap(ABSaveSettings settings)
{
Settings = settings;
_allTypes = new Dictionary <Type, Converter?>();
}
/// <summary>
/// Deserializes a string into a number (int, long, double etc.)
/// </summary>
/// <param name="str">The string to deserialize.</param>
/// <param name="settings">The settings for how to handle certain parts.</param>
/// <param name="location">OPTIONAL: Used to put a location on errors.</param>
/// <typeparam name="T">Used to specify what target number type you want (int, long, double etc.)</param>
/// <returns>The deserialized value.</returns>
public static T DeserializeNumber <T>(string str, ABSaveSettings settings, int location = 0)
{
return((T)DeserializeNumber(str, typeof(T), settings, location));
}
public void SetupSettings()
{
Settings = ABSaveSettings.ForSpeed;
}
internal CheckTypeInfo(Type type, ABSaveSettings settings)
{
Type = type;
Settings = settings;
}
/// <summary>
/// Deserializes a string into a DateTime - the string must be in ticks.
/// </summary>
/// <param name="str">The string to deserialize.</param>
/// <param name="settings">The settings for how to handle certain parts.</param>
/// <param name="location">OPTIONAL: Used to put a location on errors.</param>
/// <returns>The deserialized DateTime.</returns>
public static DateTime DeserializeDateTime(string str, ABSaveSettings settings, int location = 0)
{
// Just return a new DateTime, but with the number deserialized.
return(new DateTime(DeserializeNumber <long>(str, settings, location)));
}
/// <summary>
/// Serializes an object. The object could be anything.
/// </summary>
/// <param name="obj">The object to serialize</param>
/// <param name="useSB">Whether this will write to a string builder (if true), or return a string (if false).</param>
/// <param name="sb">The StringBuilder to write to - if <paramref name="useSB"/> is true.</param>
/// <param name="writeNextInstructionSymbol">Whether it will write \u0001 on the start - usually false if it is serializing the first object in a class.</param>
/// <param name="dnWriteEndLevel">"Do Not Write End Level Symbol" - Marks whether to NOT write \u0005 (if true), commonly used for the last object of all.</param>
/// <param name="settings">The settings for how to handle certain parts.</param>
/// <returns>If <paramref name="useSB"/> is false, this method will return the result as a string.</returns>
public static string Serialize(dynamic obj, ABSaveType type, ABSaveSettings settings, bool useSB = false, StringBuilder sb = null, bool writeNextInstructionSymbol = true, bool dnWriteEndLevel = false)
{
return(Serialize(obj, type, settings, out ABSavePrimitiveType _, useSB, sb, writeNextInstructionSymbol, dnWriteEndLevel));
}
/// <summary>
/// Figures out what a string is and how to deserialize it. This does not deserialize objects, arrays or dictionaries, however.
/// </summary>
/// <param name="str">The string to deserialize.</param>
/// <param name="objType">The type of the object to deserialize to.</param>
/// <param name="determinedType">The primitive that the object has been determined as.</param>
/// <param name="manuallyParse">Whether a parser using this should manually parse the object or not.</param>
/// <param name="settings">The settings for how to handle certain parts.</param>
/// <param name="location">OPTIONAL: This is used to add a location to the error from the <paramref name="settings"/></param>
/// <returns>The deserialized object - can be null if it needs to be manually parsed.</returns>
public static object Deserialize(string str, Type objType, ABSaveSettings settings, out ABSavePrimitiveType determinedType, out bool manuallyParse, int location = 0)
{
// Set the "determinedType" to Unknown for now, and, manuallyParse to false.
determinedType = ABSavePrimitiveType.Unknown;
manuallyParse = false;
// Get a type code.
var tCode = Type.GetTypeCode(objType);
// Now, go through what it could be and convert it.
if (objType == typeof(string))
{
determinedType = ABSavePrimitiveType.String;
return(str);
}
// Check if it's a number.
else if (ABSaveUtils.IsNumericType(tCode))
{
determinedType = ABSavePrimitiveType.Number;
return(DeserializeNumber(str, objType, settings, location));
}
// Check if it's an array - if so, all we can do is set the "determinedType" to "array" since this method doesn't deal with that.
else if (ABSaveUtils.IsArray(objType))
{
manuallyParse = true;
determinedType = ABSavePrimitiveType.Array;
}
// Check if it's a dictionary - if so, all we can do is set the "determinedType" to "dictionary" since this method doesn't deal with that.
else if (ABSaveUtils.IsDictionary(objType))
{
manuallyParse = true;
determinedType = ABSavePrimitiveType.Dictionary;
}
// Check if it's a boolean - if so, we can get the result out of that using "DeserializeBool"
else if (objType == typeof(bool))
{
determinedType = ABSavePrimitiveType.Boolean;
return(DeserializeBool(str, settings, location));
}
// Check if it's a DateTime - if so, we can get the result out of that using "DeserializeDateTime"
else if (objType == typeof(DateTime))
{
determinedType = ABSavePrimitiveType.DateTime;
return(DeserializeDateTime(str, settings, location));
}
// Check if it's a Type - if so, we can get the result using "Type.GetType()"
else if (objType == typeof(Type))
{
determinedType = ABSavePrimitiveType.Type;
return(Type.GetType(str));
}
// If it wasn't any of the above - it's probably an object, now, we've been given a string which is actually the type name of it (unless the ABSave is incorrect).
else
{
// Mark it as an object.
determinedType = ABSavePrimitiveType.Object;
// We're going to try and find a TypeConverter. But if we can't find one - we'll just return the correct type based on the TypeName we were given.
TypeConverter typeConv = TypeDescriptor.GetConverter(objType);
// Check if the type converter can actually convert it FROM a string, if it can, use it.
if (typeConv.CanConvertFrom(typeof(string)))
{
return(typeConv.ConvertFrom(str));
}
// However, otherwise, since we know what the type is - we'll return that, and let the parser manually parse it.
else
{
manuallyParse = true;
return(Type.GetType(str));
}
}
// If we got here it was probably manually making the parser do the rest to return null.
return(null);
}
/// <summary>
/// Serializes an object. The object could be anything.
/// </summary>
/// <param name="obj">The object to serialize</param>
/// <param name="useSB">Whether this will write to a string builder (if true), or return a string (if false).</param>
/// <param name="sb">The StringBuilder to write to - if <paramref name="useSB"/> is true.</param>
/// <param name="determinedType">The primitive type which has been decided for it.</param>
/// <param name="writeNextInstructionSymbol">Whether it will write \u0001 on the start - usually false if it is serializing the first object in a class.</param>
/// <param name="dnWriteEndLevel">"Do Not Write End Level Symbol" - Marks whether to NOT write \u0005 (if true), commonly used for the last object of all.</param>
/// <returns>If <paramref name="useSB"/> is false, this method will return the result as a string.</returns>
public static string Serialize(dynamic obj, ABSaveType type, ABSaveSettings settings, out ABSavePrimitiveType determinedType, bool useSB = false, StringBuilder sb = null, bool writeNextInstructionSymbol = true, bool dnWriteEndLevel = false)
{
// This will be what to return if useSB is false.
string ret;
// For now, make it so we output "unknown".
determinedType = ABSavePrimitiveType.Unknown;
// Check if the object is null... or an IntPtr, write the null symbol - otherwise, we could get a StackOverflowException.
if (obj == null || obj is IntPtr || obj is UIntPtr)
{
return(ABSaveWriter.WriteNullItem(useSB, sb));
}
// Remember what type the object is - as well as the TypeCode.
Type objType = obj.GetType();
var tCode = Type.GetTypeCode(obj.GetType());
// If the object is a string - write it as a string.
if (tCode == TypeCode.String)
{
ret = ABSaveWriter.WriteString(obj, writeNextInstructionSymbol, useSB, sb);
determinedType = ABSavePrimitiveType.String;
}
// If the object is a number - write it as a number.
else if (IsNumericType(tCode))
{
ret = ABSaveWriter.WriteNumerical(obj, tCode, true, useSB, sb);
determinedType = ABSavePrimitiveType.Number;
}
// If the object is an array - serialize it as an array.
else if (IsArray(objType))
{
ret = SerializeArray(obj, objType, type, settings, useSB, sb, dnWriteEndLevel);
determinedType = ABSavePrimitiveType.Array;
}
// If the object is a dictionary - serialize it as a dictionary.
else if (IsDictionary(objType))
{
ret = SerializeDictionary(obj, type, settings, useSB, sb, dnWriteEndLevel);
determinedType = ABSavePrimitiveType.Dictionary;
}
// If the object is a boolean - serialize it as a boolean.
else if (tCode == TypeCode.Boolean)
{
ret = SerializeBool(obj, writeNextInstructionSymbol, useSB, sb);
determinedType = ABSavePrimitiveType.Boolean;
}
// If the object is a DateTime - serialize it as a DateTime.
else if (tCode == TypeCode.DateTime)
{
ret = SerializeDateTime(obj, useSB, sb);
determinedType = ABSavePrimitiveType.DateTime;
}
// If it's a type, just write it out using the ABSaveWriter (for some reason there is no TypeConverter built-in for a type!)
else if (obj is Type)
{
ret = SerializeType(obj, useSB, sb);
determinedType = ABSavePrimitiveType.Type;
}
// Otherwise, we'll attempt to find a built-in type converter (to a string)
else
{
// Mark it as an object.
determinedType = ABSavePrimitiveType.Object;
// Attempt to get a converter for it.
var canBeTypeConverted = false;
var typeConv = TypeDescriptor.GetConverter(objType);
// Check if the type converter can actually convert it to a string.
if (typeConv.IsValid(obj))
{
if (typeConv.CanConvertTo(typeof(string)))
{
canBeTypeConverted = true;
}
}
// If it can be type converted, convert it using that, and then write it as a string.
if (canBeTypeConverted)
{
ret = ABSaveWriter.WriteString(typeConv.ConvertToString(obj), writeNextInstructionSymbol, useSB, sb);
}
// Otherwise, if it can't be type converted... Manually convert it.
else
{
ret = SerializeObject(obj, type, objType, settings, writeNextInstructionSymbol, useSB, sb, dnWriteEndLevel);
}
}
// Return the result from this.
return(ret);
}
/// <summary>
/// Serializes an object, by using <see cref="ABSaveConvert"/>, but some extras.
/// </summary>
/// <param name="obj">The object to serialize manually.</param>
/// <param name="objType">The type of the object to serialize manually.</param>
/// <param name="useSB">Whether this will write to a string builder (if true), or return a string (if false).</param>
/// <param name="sb">The StringBuilder to write to - if <paramref name="useSB"/> is true.</param>
/// <param name="dnWriteEndLevel">"Do Not Write End Level Symbol" - Marks whether to NOT write \u0005 (if true), commonly used for the last object of all.</param>
/// <param name="settings">The settings for how to handle certain parts.</param>
/// <returns>If <paramref name="useSB"/> is false, this method will return the result as a string.</returns>
public static string SerializeObject(object obj, ABSaveType type, Type objType, ABSaveSettings settings, bool writeNextInstructionSymbol = true, bool useSB = false, StringBuilder sb = null, bool dnWriteEndLevel = false)
{
// Create a variable to store what we'll return - if we aren't using a StringBuilder.
var ret = "";
// First, write a "next step" symbol.
ret += ABSaveWriter.WriteNextItem(writeNextInstructionSymbol, useSB, sb);
// Next, serialize the type that goes before it.
ret += SerializeTypeBeforeObject(objType, settings, useSB, sb);
// Then, write the opening (\u0003) for the object.
ret += ABSaveWriter.WriteObjectOpen(useSB, sb);
// And, write the actual object, use the correct method for either string or for a StringBuilder.
ret += ABSaveConvert.ObjectToABSave(obj, type, settings, useSB, sb);
// Finally, write the ending for the object.
ret += ABSaveWriter.WriteObjectClose(dnWriteEndLevel, useSB, sb);
// Now, "ret" would be empty if we were using a StringBuilder, however, if we weren't... It will have the correct string in it so return it.
return(ret);
}
public void Setup <T>(ABSaveSettings settings, Dictionary <Type, uint> targetVersions = null)
{
Initialize(settings, targetVersions);
ResetStateWithMapFor <T>();
}
/// <summary>
/// An object (with multiple properties) to serialize manually - one that doesn't have a TypeConverter.
/// </summary>
/// <param name="obj">The object to serialize manually</param>
/// <param name="objType">The type of the object.</param>
/// <param name="useSB">Whether this will write to a string builder (if true), or return a string (if false).</param>
/// <param name="sb">The StringBuilder to write to - if <paramref name="useSB"/> is true.</param>
/// <param name="dnWriteEndLevel">"Do Not Write End Level Symbol" - Marks whether to NOT write \u0005 (if true), commonly used for the last object of all.</param>
/// <returns>If <paramref name="useSB"/> is false, this method will return the result as a string.</returns>
public static string SerializeArray(dynamic obj, Type objType, ABSaveType type, ABSaveSettings settings, bool useSB = false, StringBuilder sb = null, bool dnWriteEndLevel = false)
{
obj = obj as IEnumerable;
// Create a variable to store what we'll return.
var ret = "";
// Keep track of whether we're on the first item or not.
var notFirst = false;
// Write the opening for the array.
ret += ABSaveWriter.WriteArrayOpening(useSB, sb);
// Keep track of what type the last property was - this allows us to decide whether to add the Next Item character to the next item.
var lastType = ABSavePrimitiveType.Unknown;
// If it's an array, just use a "for" loop.
if (objType.IsArray)
{
for (var i = 0; i < obj.Length; i++)
{
SerializeArrayItem(type, settings, useSB, sb, dnWriteEndLevel, ref ret, ref notFirst, ref lastType, obj[i]);
}
}
// For anything else, foreach will work fine.
else
{
foreach (var item in obj)
{
SerializeArrayItem(type, settings, useSB, sb, dnWriteEndLevel, ref ret, ref notFirst, ref lastType, item);
}
}
// Write the closing for the array.
ret += ABSaveWriter.WriteObjectClose(dnWriteEndLevel, useSB, sb);
// Now, "ret" would be empty if we were using a StringBuilder, however, if we weren't... It will have the correct string in it so return it.
return(ret);
}
