public void Serialize(Stream outputStream, object stateGraph)
{
if (outputStream == null)
{
throw new ArgumentNullException("outputStream");
}
this.InitializeSerializer();
SerializerBinaryWriter writer = new SerializerBinaryWriter(outputStream);
writer.Write((byte)0xff);
writer.Write((byte)1);
this.SerializeValue(writer, stateGraph);
}
private void SerializeIndexedString(SerializerBinaryWriter writer, string s)
{
object obj2 = this._stringTable[s];
if (obj2 != null)
{
writer.Write((byte)0x1f);
writer.Write((byte)((int)obj2));
}
else
{
this.AddSerializationStringReference(s);
writer.Write((byte)30);
writer.Write(s);
}
}
private void SerializeType(SerializerBinaryWriter writer, Type type)
{
object obj2 = this._typeTable[type];
if (obj2 != null)
{
writer.Write((byte)0x2b);
writer.WriteEncoded((int)obj2);
}
else
{
this.AddSerializationTypeReference(type);
if (type.Assembly == HttpContext.SystemWebAssembly)
{
writer.Write((byte)0x2a);
writer.Write(type.FullName);
}
else
{
writer.Write((byte)0x29);
writer.Write(type.AssemblyQualifiedName);
}
}
}
/// <devdoc>
/// Serializes a single value using the specified writer.
/// Handles exceptions to provide more information about the value being serialized.
/// </devdoc>
private void SerializeValue(SerializerBinaryWriter writer, object value) {
try {
Stack objectStack = new Stack();
objectStack.Push(value);
do {
value = objectStack.Pop();
if (value == null) {
writer.Write(Token_Null);
continue;
}
// NOTE: These are ordered roughly in the order of frequency.
if (value is string) {
string s = (string)value;
if (s.Length == 0) {
writer.Write(Token_EmptyString);
}
else {
writer.Write(Token_String);
writer.Write(s);
}
continue;
}
if (value is int) {
int i = (int)value;
if (i == 0) {
writer.Write(Token_ZeroInt32);
}
else {
writer.Write(Token_Int32);
writer.WriteEncoded(i);
}
continue;
}
if (value is Pair) {
writer.Write(Token_Pair);
Pair p = (Pair)value;
objectStack.Push(p.Second);
objectStack.Push(p.First);
continue;
}
if (value is Triplet) {
writer.Write(Token_Triplet);
Triplet t = (Triplet)value;
objectStack.Push(t.Third);
objectStack.Push(t.Second);
objectStack.Push(t.First);
continue;
}
if (value is IndexedString) {
Debug.Assert(((IndexedString)value).Value != null);
SerializeIndexedString(writer, ((IndexedString)value).Value);
continue;
}
if (value.GetType() == typeof(ArrayList)) {
writer.Write(Token_ArrayList);
ArrayList list = (ArrayList)value;
writer.WriteEncoded(list.Count);
for (int i = list.Count - 1; i >= 0; i--) {
objectStack.Push(list[i]);
}
continue;
}
if (value is bool) {
if (((bool)value)) {
writer.Write(Token_True);
}
else {
writer.Write(Token_False);
}
continue;
}
if (value is byte) {
writer.Write(Token_Byte);
writer.Write((byte)value);
continue;
}
if (value is char) {
writer.Write(Token_Char);
writer.Write((char)value);
continue;
}
if (value is DateTime) {
writer.Write(Token_DateTime);
writer.Write(((DateTime)value).ToBinary());
continue;
}
if (value is double) {
writer.Write(Token_Double);
writer.Write((double)value);
continue;
}
if (value is short) {
writer.Write(Token_Int16);
writer.Write((short)value);
continue;
}
if (value is float) {
writer.Write(Token_Single);
writer.Write((float)value);
continue;
}
if (value is IDictionary) {
bool canSerializeDictionary = false;
if (value.GetType() == typeof(Hashtable)) {
writer.Write(Token_Hashtable);
canSerializeDictionary = true;
}
else if (value.GetType() == typeof(HybridDictionary)) {
writer.Write(Token_HybridDictionary);
canSerializeDictionary = true;
}
if (canSerializeDictionary) {
IDictionary table = (IDictionary)value;
writer.WriteEncoded(table.Count);
if (table.Count != 0) {
foreach (DictionaryEntry entry in table) {
objectStack.Push(entry.Value);
objectStack.Push(entry.Key);
}
}
continue;
}
}
if (value is EventValidationStore) {
writer.Write(Token_EventValidationStore);
((EventValidationStore)value).SerializeTo(writer.BaseStream);
continue;
}
if (value is Type) {
writer.Write(Token_Type);
SerializeType(writer, (Type)value);
continue;
}
Type valueType = value.GetType();
if (value is Array) {
// We only support Arrays with rank 1 (No multi dimensional arrays
if (((Array)value).Rank > 1) {
continue;
}
Type underlyingType = valueType.GetElementType();
if (underlyingType == typeof(string)) {
string[] strings = (string[])value;
bool containsNulls = false;
for (int i = 0; i < strings.Length; i++) {
if (strings[i] == null) {
// Will have to treat these as generic arrays since we
// can't represent nulls in the binary stream, without
// writing out string token markers.
// Generic array writing includes the token markers.
containsNulls = true;
break;
}
}
if (!containsNulls) {
writer.Write(Token_StringArray);
writer.WriteEncoded(strings.Length);
for (int i = 0; i < strings.Length; i++) {
writer.Write(strings[i]);
}
continue;
}
}
Array values = (Array)value;
// Optimize for sparse arrays, if the array is more than 3/4 nulls
if (values.Length > 3) {
int sparseThreshold = (values.Length / 4) + 1;
int numValues = 0;
List<int> items = new List<int>(sparseThreshold);
for (int i = 0; i < values.Length; ++i) {
if (values.GetValue(i) != null) {
++numValues;
if (numValues >= sparseThreshold) {
break;
}
items.Add(i);
}
}
// We have enough nulls to use sparse array format <index, value, index, value, ...>
if (numValues < sparseThreshold) {
writer.Write(Token_SparseArray);
SerializeType(writer, underlyingType);
writer.WriteEncoded(values.Length);
writer.WriteEncoded(numValues);
// Now we need to just serialize pairs representing the index, and the item
foreach (int index in items) {
writer.WriteEncoded(index);
SerializeValue(writer, values.GetValue(index));
}
continue;
}
}
writer.Write(Token_Array);
SerializeType(writer, underlyingType);
writer.WriteEncoded(values.Length);
for (int i = values.Length - 1; i >= 0; i--) {
objectStack.Push(values.GetValue(i));
}
continue;
}
if (valueType.IsEnum) {
Type underlyingType = Enum.GetUnderlyingType(valueType);
if (underlyingType == typeof(int)) {
writer.Write(Token_IntEnum);
SerializeType(writer, valueType);
writer.WriteEncoded((int)value);
continue;
}
}
if (valueType == typeof(Color)) {
Color c = (Color)value;
if (c.IsEmpty) {
writer.Write(Token_EmptyColor);
continue;
}
if (!c.IsNamedColor) {
writer.Write(Token_Color);
writer.Write(c.ToArgb());
continue;
}
else {
writer.Write(Token_KnownColor);
writer.WriteEncoded((int)c.ToKnownColor());
continue;
}
}
if (value is Unit) {
Unit uval = (Unit)value;
if (uval.IsEmpty) {
writer.Write(Token_EmptyUnit);
}
else {
writer.Write(Token_Unit);
writer.Write(uval.Value);
writer.Write((int)uval.Type);
}
continue;
}
// Handle the remaining types
// First try to get a type converter, and then resort to
// binary serialization if all else fails
TypeConverter converter = TypeDescriptor.GetConverter(valueType);
bool canConvert = System.Web.UI.Util.CanConvertToFrom(converter, typeof(string));
if (canConvert) {
writer.Write(Token_StringFormatted);
SerializeType(writer, valueType);
writer.Write(converter.ConvertToInvariantString(null, value));
}
else {
IFormatter formatter = new BinaryFormatter();
MemoryStream ms = new MemoryStream(256);
formatter.Serialize(ms, value);
byte[] buffer = ms.GetBuffer();
int length = (int)ms.Length;
writer.Write(Token_BinarySerialized);
writer.WriteEncoded(length);
if (buffer.Length != 0) {
writer.Write(buffer, 0, (int)length);
}
}
}
while (objectStack.Count > 0);
}
catch (Exception serializationException) {
if (value != null)
throw new ArgumentException(SR.GetString(SR.ErrorSerializingValue, value.ToString(), value.GetType().FullName),
serializationException);
throw serializationException;
}
}
/// <devdoc>
/// Serializes a Type. If this is the first occurrence, the type name is written
/// out to the underlying stream, and the type is added to the string table for future
/// reference. Otherwise, a reference by index is written out.
/// </devdoc>
private void SerializeType(SerializerBinaryWriter writer, Type type) {
object id = _typeTable[type];
if (id != null) {
writer.Write(Token_TypeRef);
writer.WriteEncoded((int)id);
return;
}
AddSerializationTypeReference(type);
if (type.Assembly == HttpContext.SystemWebAssembly) {
writer.Write(Token_TypeRefAddLocal);
writer.Write(type.FullName);
}
else {
writer.Write(Token_TypeRefAdd);
writer.Write(type.AssemblyQualifiedName);
}
}
/// <devdoc>
/// Serializes an IndexedString. If this is the first occurrence, it is written
/// out to the underlying stream, and is added to the string table for future
/// reference. Otherwise, a reference by index is written out.
/// </devdoc>
private void SerializeIndexedString(SerializerBinaryWriter writer, string s) {
object id = _stringTable[s];
if (id != null) {
writer.Write(Token_IndexedString);
writer.Write((byte)(int)id);
return;
}
AddSerializationStringReference(s);
writer.Write(Token_IndexedStringAdd);
writer.Write(s);
}
/// <devdoc>
/// Serializes an object graph into a binary serialized form within
/// the specified stream.
/// </devdoc>
public void Serialize(Stream outputStream, object stateGraph) {
if (outputStream == null) {
throw new ArgumentNullException("outputStream");
}
InitializeSerializer();
SerializerBinaryWriter writer = new SerializerBinaryWriter(outputStream);
writer.Write(Marker_Format);
writer.Write(Marker_Version_1);
SerializeValue(writer, stateGraph);
}
private void SerializeValue(SerializerBinaryWriter writer, object value)
{
try
{
Stack stack = new Stack();
stack.Push(value);
Label_000D:
value = stack.Pop();
if (value == null)
{
writer.Write((byte)100);
}
else if (value is string)
{
string str = (string)value;
if (str.Length == 0)
{
writer.Write((byte)0x65);
}
else
{
writer.Write((byte)5);
writer.Write(str);
}
}
else if (value is int)
{
int num = (int)value;
if (num == 0)
{
writer.Write((byte)0x66);
}
else
{
writer.Write((byte)2);
writer.WriteEncoded(num);
}
}
else if (value is Pair)
{
writer.Write((byte)15);
Pair pair = (Pair)value;
stack.Push(pair.Second);
stack.Push(pair.First);
}
else if (value is Triplet)
{
writer.Write((byte)0x10);
Triplet triplet = (Triplet)value;
stack.Push(triplet.Third);
stack.Push(triplet.Second);
stack.Push(triplet.First);
}
else if (value is IndexedString)
{
this.SerializeIndexedString(writer, ((IndexedString)value).Value);
}
else if (value.GetType() == typeof(ArrayList))
{
writer.Write((byte)0x16);
ArrayList list = (ArrayList)value;
writer.WriteEncoded(list.Count);
for (int i = list.Count - 1; i >= 0; i--)
{
stack.Push(list[i]);
}
}
else if (value is bool)
{
if ((bool)value)
{
writer.Write((byte)0x67);
}
else
{
writer.Write((byte)0x68);
}
}
else if (value is byte)
{
writer.Write((byte)3);
writer.Write((byte)value);
}
else if (value is char)
{
writer.Write((byte)4);
writer.Write((char)value);
}
else if (value is DateTime)
{
writer.Write((byte)6);
writer.Write(((DateTime)value).ToBinary());
}
else if (value is double)
{
writer.Write((byte)7);
writer.Write((double)value);
}
else if (value is short)
{
writer.Write((byte)1);
writer.Write((short)value);
}
else if (value is float)
{
writer.Write((byte)8);
writer.Write((float)value);
}
else
{
if (value is IDictionary)
{
bool flag = false;
if (value.GetType() == typeof(Hashtable))
{
writer.Write((byte)0x17);
flag = true;
}
else if (value.GetType() == typeof(HybridDictionary))
{
writer.Write((byte)0x18);
flag = true;
}
if (flag)
{
IDictionary dictionary = (IDictionary)value;
writer.WriteEncoded(dictionary.Count);
if (dictionary.Count != 0)
{
foreach (DictionaryEntry entry in dictionary)
{
stack.Push(entry.Value);
stack.Push(entry.Key);
}
}
goto Label_06C3;
}
}
if (value is Type)
{
writer.Write((byte)0x19);
this.SerializeType(writer, (Type)value);
}
else
{
Type enumType = value.GetType();
if (value is Array)
{
if (((Array)value).Rank <= 1)
{
Type elementType = enumType.GetElementType();
if (elementType == typeof(string))
{
string[] strArray = (string[])value;
bool flag2 = false;
for (int k = 0; k < strArray.Length; k++)
{
if (strArray[k] == null)
{
flag2 = true;
break;
}
}
if (!flag2)
{
writer.Write((byte)0x15);
writer.WriteEncoded(strArray.Length);
for (int m = 0; m < strArray.Length; m++)
{
writer.Write(strArray[m]);
}
goto Label_06C3;
}
}
Array array = (Array)value;
if (array.Length > 3)
{
int capacity = (array.Length / 4) + 1;
int num6 = 0;
List <int> list2 = new List <int>(capacity);
for (int n = 0; n < array.Length; n++)
{
if (array.GetValue(n) != null)
{
num6++;
if (num6 >= capacity)
{
break;
}
list2.Add(n);
}
}
if (num6 < capacity)
{
writer.Write((byte)60);
this.SerializeType(writer, elementType);
writer.WriteEncoded(array.Length);
writer.WriteEncoded(num6);
foreach (int num8 in list2)
{
writer.WriteEncoded(num8);
this.SerializeValue(writer, array.GetValue(num8));
}
goto Label_06C3;
}
}
writer.Write((byte)20);
this.SerializeType(writer, elementType);
writer.WriteEncoded(array.Length);
for (int j = array.Length - 1; j >= 0; j--)
{
stack.Push(array.GetValue(j));
}
}
}
else if (enumType.IsEnum && (Enum.GetUnderlyingType(enumType) == typeof(int)))
{
writer.Write((byte)11);
this.SerializeType(writer, enumType);
writer.WriteEncoded((int)value);
}
else if (enumType == typeof(Color))
{
Color color = (Color)value;
if (color.IsEmpty)
{
writer.Write((byte)12);
}
else if (!color.IsNamedColor)
{
writer.Write((byte)9);
writer.Write(color.ToArgb());
}
else
{
writer.Write((byte)10);
writer.WriteEncoded((int)color.ToKnownColor());
}
}
else if (value is Unit)
{
Unit unit = (Unit)value;
if (unit.IsEmpty)
{
writer.Write((byte)0x1c);
}
else
{
writer.Write((byte)0x1b);
writer.Write(unit.Value);
writer.Write((int)unit.Type);
}
}
else
{
TypeConverter converter = TypeDescriptor.GetConverter(enumType);
if (Util.CanConvertToFrom(converter, typeof(string)))
{
writer.Write((byte)40);
this.SerializeType(writer, enumType);
writer.Write(converter.ConvertToInvariantString(null, value));
}
else
{
IFormatter formatter = new BinaryFormatter();
MemoryStream serializationStream = new MemoryStream(0x100);
formatter.Serialize(serializationStream, value);
byte[] buffer = serializationStream.GetBuffer();
int length = (int)serializationStream.Length;
writer.Write((byte)50);
writer.WriteEncoded(length);
if (buffer.Length != 0)
{
writer.Write(buffer, 0, length);
}
}
}
}
}
Label_06C3:
if (stack.Count > 0)
{
goto Label_000D;
}
}
catch (Exception exception)
{
throw new ArgumentException(System.Web.SR.GetString("ErrorSerializingValue", new object[] { value.ToString(), value.GetType().FullName }), exception);
}
}
private void SerializeValue(SerializerBinaryWriter writer, object value)
{
try
{
Stack stack = new Stack();
stack.Push(value);
Label_000D:
value = stack.Pop();
if (value == null)
{
writer.Write((byte) 100);
}
else if (value is string)
{
string str = (string) value;
if (str.Length == 0)
{
writer.Write((byte) 0x65);
}
else
{
writer.Write((byte) 5);
writer.Write(str);
}
}
else if (value is int)
{
int num = (int) value;
if (num == 0)
{
writer.Write((byte) 0x66);
}
else
{
writer.Write((byte) 2);
writer.WriteEncoded(num);
}
}
else if (value is Pair)
{
writer.Write((byte) 15);
Pair pair = (Pair) value;
stack.Push(pair.Second);
stack.Push(pair.First);
}
else if (value is Triplet)
{
writer.Write((byte) 0x10);
Triplet triplet = (Triplet) value;
stack.Push(triplet.Third);
stack.Push(triplet.Second);
stack.Push(triplet.First);
}
else if (value is IndexedString)
{
this.SerializeIndexedString(writer, ((IndexedString) value).Value);
}
else if (value.GetType() == typeof(ArrayList))
{
writer.Write((byte) 0x16);
ArrayList list = (ArrayList) value;
writer.WriteEncoded(list.Count);
for (int i = list.Count - 1; i >= 0; i--)
{
stack.Push(list[i]);
}
}
else if (value is bool)
{
if ((bool) value)
{
writer.Write((byte) 0x67);
}
else
{
writer.Write((byte) 0x68);
}
}
else if (value is byte)
{
writer.Write((byte) 3);
writer.Write((byte) value);
}
else if (value is char)
{
writer.Write((byte) 4);
writer.Write((char) value);
}
else if (value is DateTime)
{
writer.Write((byte) 6);
writer.Write(((DateTime) value).ToBinary());
}
else if (value is double)
{
writer.Write((byte) 7);
writer.Write((double) value);
}
else if (value is short)
{
writer.Write((byte) 1);
writer.Write((short) value);
}
else if (value is float)
{
writer.Write((byte) 8);
writer.Write((float) value);
}
else
{
if (value is IDictionary)
{
bool flag = false;
if (value.GetType() == typeof(Hashtable))
{
writer.Write((byte) 0x17);
flag = true;
}
else if (value.GetType() == typeof(HybridDictionary))
{
writer.Write((byte) 0x18);
flag = true;
}
if (flag)
{
IDictionary dictionary = (IDictionary) value;
writer.WriteEncoded(dictionary.Count);
if (dictionary.Count != 0)
{
foreach (DictionaryEntry entry in dictionary)
{
stack.Push(entry.Value);
stack.Push(entry.Key);
}
}
goto Label_06C3;
}
}
if (value is Type)
{
writer.Write((byte) 0x19);
this.SerializeType(writer, (Type) value);
}
else
{
Type enumType = value.GetType();
if (value is Array)
{
if (((Array) value).Rank <= 1)
{
Type elementType = enumType.GetElementType();
if (elementType == typeof(string))
{
string[] strArray = (string[]) value;
bool flag2 = false;
for (int k = 0; k < strArray.Length; k++)
{
if (strArray[k] == null)
{
flag2 = true;
break;
}
}
if (!flag2)
{
writer.Write((byte) 0x15);
writer.WriteEncoded(strArray.Length);
for (int m = 0; m < strArray.Length; m++)
{
writer.Write(strArray[m]);
}
goto Label_06C3;
}
}
Array array = (Array) value;
if (array.Length > 3)
{
int capacity = (array.Length / 4) + 1;
int num6 = 0;
List<int> list2 = new List<int>(capacity);
for (int n = 0; n < array.Length; n++)
{
if (array.GetValue(n) != null)
{
num6++;
if (num6 >= capacity)
{
break;
}
list2.Add(n);
}
}
if (num6 < capacity)
{
writer.Write((byte) 60);
this.SerializeType(writer, elementType);
writer.WriteEncoded(array.Length);
writer.WriteEncoded(num6);
foreach (int num8 in list2)
{
writer.WriteEncoded(num8);
this.SerializeValue(writer, array.GetValue(num8));
}
goto Label_06C3;
}
}
writer.Write((byte) 20);
this.SerializeType(writer, elementType);
writer.WriteEncoded(array.Length);
for (int j = array.Length - 1; j >= 0; j--)
{
stack.Push(array.GetValue(j));
}
}
}
else if (enumType.IsEnum && (Enum.GetUnderlyingType(enumType) == typeof(int)))
{
writer.Write((byte) 11);
this.SerializeType(writer, enumType);
writer.WriteEncoded((int) value);
}
else if (enumType == typeof(Color))
{
Color color = (Color) value;
if (color.IsEmpty)
{
writer.Write((byte) 12);
}
else if (!color.IsNamedColor)
{
writer.Write((byte) 9);
writer.Write(color.ToArgb());
}
else
{
writer.Write((byte) 10);
writer.WriteEncoded((int) color.ToKnownColor());
}
}
else if (value is Unit)
{
Unit unit = (Unit) value;
if (unit.IsEmpty)
{
writer.Write((byte) 0x1c);
}
else
{
writer.Write((byte) 0x1b);
writer.Write(unit.Value);
writer.Write((int) unit.Type);
}
}
else
{
TypeConverter converter = TypeDescriptor.GetConverter(enumType);
if (Util.CanConvertToFrom(converter, typeof(string)))
{
writer.Write((byte) 40);
this.SerializeType(writer, enumType);
writer.Write(converter.ConvertToInvariantString(null, value));
}
else
{
IFormatter formatter = new BinaryFormatter();
MemoryStream serializationStream = new MemoryStream(0x100);
formatter.Serialize(serializationStream, value);
byte[] buffer = serializationStream.GetBuffer();
int length = (int) serializationStream.Length;
writer.Write((byte) 50);
writer.WriteEncoded(length);
if (buffer.Length != 0)
{
writer.Write(buffer, 0, length);
}
}
}
}
}
Label_06C3:
if (stack.Count > 0)
{
goto Label_000D;
}
}
catch (Exception exception)
{
throw new ArgumentException(System.Web.SR.GetString("ErrorSerializingValue", new object[] { value.ToString(), value.GetType().FullName }), exception);
}
}
private void SerializeType(SerializerBinaryWriter writer, Type type)
{
object obj2 = this._typeTable[type];
if (obj2 != null)
{
writer.Write((byte) 0x2b);
writer.WriteEncoded((int) obj2);
}
else
{
this.AddSerializationTypeReference(type);
if (type.Assembly == HttpContext.SystemWebAssembly)
{
writer.Write((byte) 0x2a);
writer.Write(type.FullName);
}
else
{
writer.Write((byte) 0x29);
writer.Write(type.AssemblyQualifiedName);
}
}
}
private void SerializeIndexedString(SerializerBinaryWriter writer, string s)
{
object obj2 = this._stringTable[s];
if (obj2 != null)
{
writer.Write((byte) 0x1f);
writer.Write((byte) ((int) obj2));
}
else
{
this.AddSerializationStringReference(s);
writer.Write((byte) 30);
writer.Write(s);
}
}
public void Serialize(Stream outputStream, object stateGraph)
{
if (outputStream == null)
{
throw new ArgumentNullException("outputStream");
}
this.InitializeSerializer();
SerializerBinaryWriter writer = new SerializerBinaryWriter(outputStream);
writer.Write((byte) 0xff);
writer.Write((byte) 1);
this.SerializeValue(writer, stateGraph);
}