/// <inheritdoc/>
public override object Convert(object value, BinaricJsonSerializer serializer)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer), "引数がnullです");
}
if (value == null)
{
return(ArraySerializeEntry.Null);
}
if (value is not Array array)
{
throw new SerializationException("配列に変換出来ませんでした");
}
var result = new ArraySerializeEntry(array.GetType().GetElementType(), array.Length);
for (int i = 0; i < array.Length; i++)
{
var current = array.GetValue(i);
if (current == null)
{
result.Items[i] = null;
continue;
}
var converter = serializer.GetConverter(current.GetType()) ?? throw new SerializationException("コンバータを取得出来ませんでした");
var setValue = converter.Convert(current, serializer);
result.Items[i] = (ReflectionHelper.GetTypeName(current.GetType()), setValue);
}
return(result);
}
/// <summary>
/// <see cref="JsonElement"/>を復元する
/// </summary>
/// <param name="element">復元する<see cref="JsonElement"/>のインスタンス</param>
/// <param name="serializer">使用するシリアライザ</param>
/// <exception cref="ArgumentNullException"><paramref name="serializer"/>がnull</exception>
/// <returns><paramref name="element"/>を復元したオブジェクト</returns>
public object Parse(JsonElement element, BinaricJsonSerializer serializer)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer), "引数がnullです");
}
if (element.ValueKind == JsonValueKind.Null)
{
return(null);
}
if (element.ValueKind == JsonValueKind.Array)
{
var genericType = type.GetElementType();
var array = Array.CreateInstance(genericType, element.GetArrayLength());
var index = 0;
var e = element.EnumerateArray();
var parser = new JsonElementParser(genericType);
while (e.MoveNext())
{
array.SetValue(parser.Parse(e.Current, serializer), index++);
}
return(array);
}
return(serializer.Deserialize(element.GetRawText(), type));
}
/// <inheritdoc/>
public override object ConvertBack(object value, BinaricJsonSerializer serializer)
{
if (value is JsonElement element)
{
var parser = new JsonElementParser(type);
return(parser.Parse(element, serializer));
}
return(value);
}
/// <inheritdoc/>
public override object Convert(object value, BinaricJsonSerializer serializer)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer), "引数がnullです");
}
if (value == null)
{
return(null);
}
return(((Type)value).FullName);
}
public sealed override object ConvertBack(object value, BinaricJsonSerializer serializer)
{
if (value is JsonElement element)
{
var parser = new JsonElementParser(Type);
return(parser.Parse(element, serializer));
}
if (value is not SerializeEntry entry)
{
throw new ArgumentException("エントリへの変換が出来ませんでした", nameof(value));
}
return(FromSerializeEntry(entry, serializer));
}
/// <inheritdoc/>
public override object ConvertBack(object value, BinaricJsonSerializer serializer)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer), "引数がnullです");
}
if (value is JsonElement __element)
{
var parser = new JsonElementParser(typeof(ArraySerializeEntry));
var v = parser.Parse(__element, serializer);
return(v);
}
//if (value is Array __array) return __array;
if (value is not ArraySerializeEntry entry)
{
throw new SerializationException("エントリーに変換出来ませんでした");
}
if (entry.IsNull)
{
return(null);
}
var result = Array.CreateInstance(Type.GetType(entry.ItemTypeName), entry.Items.Length);
for (int i = 0; i < entry.Items.Length; i++)
{
if (entry.Items[i] == null)
{
result.SetValue(null, i);
continue;
}
var(name, current) = entry.Items[i];
var valueType = Type.GetType(name);
if (current == null)
{
result.SetValue(null, i);
continue;
}
if (current is JsonElement element)
{
var parser = new JsonElementParser(valueType);
result.SetValue(parser.Parse(element, serializer), i);
continue;
}
var converter = serializer.GetConverter(valueType) ?? throw new SerializationException("コンバータを取得出来ませんでした");
result.SetValue(converter.ConvertBack(current, serializer), i);
}
return(result);
}
/// <inheritdoc/>
public override object ConvertBack(object value, BinaricJsonSerializer serializer)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer), "引数がnullです");
}
if (value == null)
{
return(null);
}
if (value is not string typeName)
{
throw new SerializationException("文字列に変換できませんでした");
}
return(Type.GetType(typeName));
}
public sealed override object Convert(object value, BinaricJsonSerializer provider) => ToSerializeEntry(value, provider);
/// <summary> /// <see cref="SerializeEntry"/>に変換する /// </summary> /// <param name="value"><see cref="SerializeEntry"/>に変換する値</param> /// <param name="serializer">使用するシリアライザ</param> /// <exception cref="ArgumentNullException"><paramref name="serializer"/>がnull</exception> /// <returns><paramref name="value"/>の情報を格納する<see cref="SerializeEntry"/></returns> protected abstract SerializeEntry ToSerializeEntry(object value, BinaricJsonSerializer serializer);
/// <summary> /// <see cref="SerializeEntry"/>からオブジェクトを復元する /// </summary> /// <param name="entry">使用する<see cref="SerializeEntry"/></param> /// <param name="serializer">使用するシリアライザ</param> /// <exception cref="ArgumentNullException"><paramref name="entry"/>または<paramref name="serializer"/>がnull</exception> /// <returns><paramref name="entry"/>をもとに復元された値</returns> protected abstract object FromSerializeEntry(SerializeEntry entry, BinaricJsonSerializer serializer);
/// <inheritdoc/> public override object Convert(object value, BinaricJsonSerializer serializer) => value;
/// <inheritdoc/>
protected override SerializeEntry ToSerializeEntry(object value, BinaricJsonSerializer serializer)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer), "引数がnullです");
}
if (value == null)
{
return(SerializeEntry.Null);
}
var type = value.GetType();
var methods = ReflectionHelper.GetInstanceMethods(type);
var result = new SerializeEntry(type);
// OnSerializing実装メソッドを実行
for (int i = 0; i < methods.Length; i++)
{
if (!ReflectionHelper.HasAttribute <OnSerializingAttribute>(methods[i]))
{
continue;
}
var parameters = methods[i].GetParameters();
if (parameters.Length != 1 || parameters[0].ParameterType != typeof(StreamingContext))
{
continue;
}
methods[i].Invoke(value, new object[] { StreamingContext });
}
// フィールドの保存
var fields = ReflectionHelper.GetInstanceFields(type);
for (int i = 0; i < fields.Length; i++)
{
if (ReflectionHelper.HasAttribute <NonSerializedAttribute>(fields[i]))
{
continue;
}
var converter = serializer.GetConverter(fields[i].FieldType);
var savedValue = converter.Convert(fields[i].GetValue(value), serializer);
result.Fields.Add(fields[i].Name, (ReflectionHelper.GetTypeName(fields[i].FieldType), savedValue));
}
// OnSerialized実装メソッドを実行
for (int i = 0; i < methods.Length; i++)
{
if (!ReflectionHelper.HasAttribute <OnSerializedAttribute>(methods[i]))
{
continue;
}
var parameters = methods[i].GetParameters();
if (parameters.Length != 1 || parameters[0].ParameterType != typeof(StreamingContext))
{
continue;
}
methods[i].Invoke(value, new object[] { StreamingContext });
}
return(result);
}
/// <inheritdoc/>
protected override object FromSerializeEntry(SerializeEntry entry, BinaricJsonSerializer serializer)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer), "引数がnullです");
}
if (entry == null)
{
throw new ArgumentNullException(nameof(entry), "引数がnullです");
}
if (entry.IsNull)
{
return(null);
}
var type = Type.GetType(entry.TypeName);
var result = FormatterServices.GetUninitializedObject(type);
var methods = ReflectionHelper.GetInstanceMethods(type);
// OnDeserializing実装メソッドを実行
for (int i = 0; i < methods.Length; i++)
{
if (!ReflectionHelper.HasAttribute <OnDeserializingAttribute>(methods[i]))
{
continue;
}
var parameters = methods[i].GetParameters();
if (parameters.Length != 1 || parameters[0].ParameterType != typeof(StreamingContext))
{
continue;
}
methods[i].Invoke(result, new object[] { StreamingContext });
}
// フィールドの復元
foreach (var(fieldName, (typeName, value)) in entry.Fields)
{
var fieldInfo = ReflectionHelper.GetInstanceField(type, fieldName);
if (fieldInfo == null)
{
if (serializer.IgnoreNotFoundMember)
{
continue;
}
throw new SerializationException("フィールドの復元に失敗しました");
}
var converter = serializer.GetConverter(Type.GetType(typeName)) ?? throw new SerializationException("コンバータの取得に失敗しました");
var setValue = converter.ConvertBack(value, serializer);
fieldInfo.SetValue(result, setValue);
}
// OnDeserialized実装メソッドを実行
for (int i = 0; i < methods.Length; i++)
{
if (!ReflectionHelper.HasAttribute <OnDeserializedAttribute>(methods[i]))
{
continue;
}
var parameters = methods[i].GetParameters();
if (parameters.Length != 1 || parameters[0].ParameterType != typeof(StreamingContext))
{
continue;
}
methods[i].Invoke(result, new object[] { StreamingContext });
}
// IDeserializationCallback.OnDeserialitionを実行
if (result is IDeserializationCallback id)
{
id.OnDeserialization(null);
}
return(result);
}
