public static void GetObjectData(DObject/*!*/ instance, SerializationInfo/*!*/ info, StreamingContext strctx)
{
info.SetType(typeof(Deserializer));
SerializationContext context = SerializationContext.CreateFromStreamingContext(strctx);
bool sleep_called;
PhpArray sleep_result;
// try to get the caches __sleep result
if (context.SleepResults.TryGetValue(instance, out sleep_result))
{
if (Object.ReferenceEquals(sleep_result, SerializationContext.NoSleepResultSingleton))
{
sleep_called = false;
sleep_result = null;
}
else sleep_called = true;
}
else
{
sleep_result = instance.Sleep(context.ClassContext, context.ScriptContext, out sleep_called);
context.SleepResults.Add(instance, (sleep_called ? sleep_result : SerializationContext.NoSleepResultSingleton));
}
if (sleep_called && sleep_result == null)
{
// __sleep did not return an array -> this instance will deserialize as NULL
info.AddValue(__PHP_Incomplete_Class.ClassNameFieldName, String.Empty);
}
else
{
// if we have a sleep result, serialize fields according to it, otherwise serialize all fields
IEnumerable<KeyValuePair<string, object>> serializable_properties;
object real_object = null;
if (sleep_result == null)
{
serializable_properties = Serialization.EnumerateSerializableProperties(
instance,
true); // get PHP fields only
// serialize CLR real object in the "CLR way"
if (!(instance is PhpObject)) real_object = instance.RealObject;
}
else
{
serializable_properties = Serialization.EnumerateSerializableProperties(
instance,
sleep_result,
context.ScriptContext);
}
bool type_name_serialized = false;
bool real_object_serialized = false;
foreach (KeyValuePair<string, object> pair in serializable_properties)
{
if (pair.Key == __PHP_Incomplete_Class.ClassNameFieldName) type_name_serialized = true;
if (pair.Key == ClrRealObjectSerializationInfoKey)
{
// unwrap the possibly wrapped CLR real object
info.AddValue(pair.Key, PhpVariable.Unwrap(pair.Value));
real_object_serialized = true;
}
else
{
PhpReference reference = pair.Value as PhpReference;
info.AddValue(pair.Key, WrapPropertyValue(pair.Value));
}
}
// if the type name has not been serialized, do it now
if (!type_name_serialized) info.AddValue(__PHP_Incomplete_Class.ClassNameFieldName, instance.TypeName);
// if the real object has not been serialized, do it now
if (!real_object_serialized) info.AddValue(ClrRealObjectSerializationInfoKey, real_object);
}
}
/// <summary>
/// Serializes <see cref="DObject"/> using PHP serialization.
/// </summary>
/// <param name="value">The object.</param>
private void WritePhpObjectInternal(DObject/*!*/value)
{
byte[] binaryClassName;
// determine class name
bool avoid_pic_name = false;
string class_name = null;
__PHP_Incomplete_Class pic = value as __PHP_Incomplete_Class;
if (pic != null)
{
if (pic.__PHP_Incomplete_Class_Name.IsSet)
{
avoid_pic_name = true;
class_name = pic.__PHP_Incomplete_Class_Name.Value as string;
}
}
if (value is stdClass) class_name = stdClass.ClassName;
if (class_name == null) class_name = value.TypeName;
// is the instance PHP5.1 Serializable?
if (value.RealObject is Library.SPL.Serializable)
{
context.Stack.AddFrame();
object res = PhpVariable.Dereference(value.InvokeMethod("serialize", null, context));
if (res == null)
{
// serialize returned NULL -> serialize the instance as NULL
WriteNull();
return;
}
byte[] resdata = null;
if (res is PhpString)
{
res = res.ToString();
}
if (res is string)
{
resdata = writer.Encoding.GetBytes((string)res);
}
else if (res is PhpBytes)
{
resdata = ((PhpBytes)res).ReadonlyData;
}
if (resdata == null)
{
// serialize did not return NULL nor a string -> throw an exception
SPL.Exception.ThrowSplException(
_ctx => new SPL.Exception(_ctx, true),
context,
string.Format(CoreResources.serialize_must_return_null_or_string, value.TypeName), 0, null);
}
writer.Write(Tokens.ObjectSer);
writer.Write(Tokens.Colon);
binaryClassName = writer.Encoding.GetBytes(class_name);
// write out class name
writer.Write(binaryClassName.Length);
writer.Write(Tokens.Colon);
writer.Write(Tokens.Quote);
// flush the StreamWriter before accessing its underlying stream
writer.Flush();
writer.BaseStream.Write(binaryClassName, 0, binaryClassName.Length);
writer.Write(Tokens.Quote);
writer.Write(Tokens.Colon);
// write out the result of serialize
writer.Write(resdata.Length);
writer.Write(Tokens.Colon);
writer.Write(Tokens.BraceOpen);
// flush the StreamWriter before accessing its underlying stream
writer.Flush();
writer.BaseStream.Write(resdata, 0, resdata.Length);
writer.Write(Tokens.BraceClose);
return;
}
// try to call the __sleep method
bool sleep_called;
PhpArray ser_props = value.Sleep(ClassContext, context, out sleep_called);
if (sleep_called && ser_props == null)
{
// __sleep did not return an array -> serialize the instance as NULL
WriteNull();
return;
}
writer.Write(Tokens.Object);
writer.Write(Tokens.Colon);
// write out class name
binaryClassName = writer.Encoding.GetBytes(class_name);
// write out class name
writer.Write(binaryClassName.Length);
writer.Write(Tokens.Colon);
writer.Write(Tokens.Quote);
// flush the StreamWriter before accessing its underlying stream
writer.Flush();
writer.BaseStream.Write(binaryClassName, 0, binaryClassName.Length);
writer.Write(Tokens.Quote);
writer.Write(Tokens.Colon);
// write out property count
if (ser_props != null) writer.Write(ser_props.Count);
else writer.Write(value.Count - (avoid_pic_name ? 1 : 0));
writer.Write(Tokens.Colon);
writer.Write(Tokens.BraceOpen);
// write out properties
if (ser_props != null) WriteSleepResult(value, ser_props);
else WriteAllProperties(value, avoid_pic_name);
writer.Write(Tokens.BraceClose);
}
public static void GetObjectData(DObject /*!*/ instance, SerializationInfo /*!*/ info, StreamingContext strctx)
{
info.SetType(typeof(Deserializer));
SerializationContext context = SerializationContext.CreateFromStreamingContext(strctx);
bool sleep_called;
PhpArray sleep_result;
// try to get the caches __sleep result
if (context.SleepResults.TryGetValue(instance, out sleep_result))
{
if (Object.ReferenceEquals(sleep_result, SerializationContext.NoSleepResultSingleton))
{
sleep_called = false;
sleep_result = null;
}
else
{
sleep_called = true;
}
}
else
{
sleep_result = instance.Sleep(context.ClassContext, context.ScriptContext, out sleep_called);
context.SleepResults.Add(instance, (sleep_called ? sleep_result : SerializationContext.NoSleepResultSingleton));
}
if (sleep_called && sleep_result == null)
{
// __sleep did not return an array -> this instance will deserialize as NULL
info.AddValue(__PHP_Incomplete_Class.ClassNameFieldName, String.Empty);
}
else
{
// if we have a sleep result, serialize fields according to it, otherwise serialize all fields
IEnumerable <KeyValuePair <string, object> > serializable_properties;
object real_object = null;
if (sleep_result == null)
{
serializable_properties = Serialization.EnumerateSerializableProperties(
instance,
true); // get PHP fields only
// serialize CLR real object in the "CLR way"
if (!(instance is PhpObject))
{
real_object = instance.RealObject;
}
}
else
{
serializable_properties = Serialization.EnumerateSerializableProperties(
instance,
sleep_result,
context.ScriptContext);
}
bool type_name_serialized = false;
bool real_object_serialized = false;
foreach (KeyValuePair <string, object> pair in serializable_properties)
{
if (pair.Key == __PHP_Incomplete_Class.ClassNameFieldName)
{
type_name_serialized = true;
}
if (pair.Key == ClrRealObjectSerializationInfoKey)
{
// unwrap the possibly wrapped CLR real object
info.AddValue(pair.Key, PhpVariable.Unwrap(pair.Value));
real_object_serialized = true;
}
else
{
PhpReference reference = pair.Value as PhpReference;
info.AddValue(pair.Key, WrapPropertyValue(pair.Value));
}
}
// if the type name has not been serialized, do it now
if (!type_name_serialized)
{
info.AddValue(__PHP_Incomplete_Class.ClassNameFieldName, instance.TypeName);
}
// if the real object has not been serialized, do it now
if (!real_object_serialized)
{
info.AddValue(ClrRealObjectSerializationInfoKey, real_object);
}
}
}
