/// <summary>
/// Associate data to an object in the storage.
/// </summary>
public virtual void offsetSet(PhpValue offset, PhpValue value = default(PhpValue))
{
var obj = offset.AsObject();
if (obj != null)
{
Keys.AttachImpl(storage, obj, value);
}
else
{
throw new ArgumentException(nameof(offset));
}
}
public virtual void __unserialize(PhpArray array)
{
var flattenedStorage = array.TryGetValue(0, out var storageVal) && storageVal.IsPhpArray(out var storageArray)
? storageArray : throw new InvalidDataException();
var e = flattenedStorage.GetFastEnumerator();
while (e.MoveNext())
{
var key = e.CurrentValue.IsObject ? e.CurrentValue.Object : throw new InvalidDataException();
if (!e.MoveNext())
{
throw new InvalidDataException();
}
var val = e.CurrentValue;
Keys.AttachImpl(storage, key, val);
}
__peach__runtimeFields = array.TryGetValue(1, out var propsVal) && propsVal.IsPhpArray(out var propsArray)
? propsArray : throw new InvalidDataException();
}
/// <summary> /// Adds an object inside the storage, and optionally associate it to some data. /// </summary> public virtual void attach(object @object, PhpValue data = default(PhpValue)) => Keys.AttachImpl(storage, @object, data);
/// <summary>
/// Unserializes storage entries and attach them to the current storage.
/// </summary>
public virtual void unserialize(PhpString serialized)
{
// x:{count_int};{item0},{value0};...;m:{members_array}
if (serialized.Length < 12)
{
throw new ArgumentException(nameof(serialized)); // quick check
}
var stream = new MemoryStream(serialized.ToBytes(_ctx));
try
{
PhpValue tmp;
var reader = new PhpSerialization.PhpSerializer.ObjectReader(_ctx, stream, default(RuntimeTypeHandle));
// x:
if (stream.ReadByte() != 'x' || stream.ReadByte() != ':')
{
throw new InvalidDataException();
}
// i:{count};
tmp = reader.Deserialize();
if (tmp.TypeCode != PhpTypeCode.Long)
{
throw new InvalidDataException();
}
var count = tmp.ToLong();
if (count < 0)
{
throw new InvalidDataException(nameof(count));
}
stream.Seek(-1, SeekOrigin.Current); // back to `;`
// {item},{value}
while (count-- > 0)
{
// ;obj
if (stream.ReadByte() != ';')
{
throw new InvalidDataException();
}
var obj = reader.Deserialize();
// ,data
PhpValue data;
if (stream.ReadByte() == ',')
{
data = reader.Deserialize();
}
else
{
// backward compatibility with data created with old PHP SplObjectStorage
data = PhpValue.Void;
stream.Seek(-1, SeekOrigin.Current); // back to `;`
}
//
Keys.AttachImpl(storage, obj.AsObject(), data);
}
// ;
if (stream.ReadByte() != ';')
{
throw new InvalidDataException();
}
// m:{array}
if (stream.ReadByte() != 'm' || stream.ReadByte() != ':')
{
throw new InvalidDataException();
}
tmp = reader.Deserialize();
if (tmp.IsArray)
{
var arr = tmp.AsArray();
if (arr != null && arr.Count != 0) // do not leak empty arrays
{
__peach__runtimeFields = arr;
}
}
else
{
throw new InvalidDataException();
}
}
catch (Exception e)
{
PhpException.Throw(PhpError.Notice,
Resources.LibResources.deserialization_failed, e.Message, stream.Position.ToString(), stream.Length.ToString());
}
}
