736 lines
16 KiB
C#
736 lines
16 KiB
C#
using System;
|
|
using System.IO;
|
|
using System.Xml;
|
|
using System.Runtime.Serialization;
|
|
//using System.Web.Configuration;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
|
|
|
|
using System.Reflection;
|
|
using System.Diagnostics;
|
|
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace lib
|
|
{
|
|
|
|
public interface I_Serialize
|
|
{
|
|
void OnSerialize();
|
|
void OnDeserialize( object enclosing );
|
|
}
|
|
|
|
public enum Datastructure
|
|
{
|
|
Invalid,
|
|
Tree,
|
|
Full,
|
|
|
|
}
|
|
|
|
public class XmlFormatter2Cfg : Config
|
|
{
|
|
public readonly Datastructure datastructure = Datastructure.Full;
|
|
}
|
|
|
|
public class XmlFormatter2 : IFormatter
|
|
{
|
|
public StreamingContext Context { get; set; }
|
|
|
|
static Random s_rnd = new Random();
|
|
int m_rndVal = s_rnd.Next();
|
|
|
|
XmlFormatter2Cfg m_cfg = new XmlFormatter2Cfg();
|
|
|
|
|
|
|
|
#region Unimplimented
|
|
public ISurrogateSelector SurrogateSelector
|
|
{
|
|
get { throw new NotImplementedException(); }
|
|
set { throw new NotImplementedException(); }
|
|
}
|
|
|
|
public SerializationBinder Binder
|
|
{
|
|
get { throw new NotImplementedException(); }
|
|
set { throw new NotImplementedException(); }
|
|
}
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
|
|
public XmlFormatter2()
|
|
{
|
|
Context = new StreamingContext( StreamingContextStates.All );
|
|
}
|
|
|
|
|
|
|
|
|
|
public XmlFormatter2( XmlFormatter2Cfg cfg )
|
|
{
|
|
Context = new StreamingContext( StreamingContextStates.All );
|
|
|
|
m_cfg = cfg;
|
|
}
|
|
|
|
|
|
|
|
#region Deserialize
|
|
private static FormatterConverter s_conv = new FormatterConverter();
|
|
|
|
public object Deserialize( Stream stream )
|
|
{
|
|
//lib.log.info( "Deserialize( Stream stream ) {0} {1}", m_rndVal, m_alreadySerialized.Count );
|
|
return DeserializeKnownType( stream, null );
|
|
//lib.log.info( "Deserialize END ( Stream stream ) {0} {1}", m_rndVal, m_alreadySerialized.Count );
|
|
}
|
|
|
|
public object DeserializeKnownType( Stream stream, Type t )
|
|
{
|
|
//lib.log.info( "DeserializeKnownType( Stream stream, Type t ) {0} {1}", m_rndVal, m_alreadySerialized.Count );
|
|
|
|
XmlTextReader reader = new XmlTextReader( stream );
|
|
//reader.Settings = System.Text.Encoding.ASCII;
|
|
|
|
object obj = Deserialize( reader, t );
|
|
//lib.log.info( "DeserializeKnownType END( Stream stream, Type t ) {0} {1}", m_rndVal, m_alreadySerialized.Count );
|
|
return obj;
|
|
}
|
|
|
|
private object Deserialize( XmlReader reader, Type t )
|
|
{
|
|
//lib.log.info( "Deserialize( XmlReader reader, Type t ) {0} {1}", m_rndVal, m_alreadySerialized.Count );
|
|
|
|
m_alreadySerialized.Clear();
|
|
m_objectID = new ObjectIDGenerator();
|
|
|
|
reader.Read();
|
|
|
|
XmlDocument doc = new XmlDocument();
|
|
|
|
doc.Load( reader );
|
|
|
|
////lib.log.info( "What to deserialize {0}", doc.OuterXml.ToString() );
|
|
|
|
if( t == null )
|
|
return Deserialize( doc.DocumentElement );
|
|
|
|
return Deserialize( doc.DocumentElement, t );
|
|
}
|
|
|
|
private object Deserialize( XmlElement elem )
|
|
{
|
|
//lib.log.info( "object Deserialize( XmlElement elem ) {0} {1}", m_rndVal, m_alreadySerialized.Count );
|
|
|
|
string typename = elem.HasAttribute( "t" ) ? elem.GetAttribute( "t" ) : elem.Name;
|
|
|
|
return Deserialize( elem, typename );
|
|
}
|
|
|
|
private object Deserialize( XmlElement elem, string typename )
|
|
{
|
|
AppDomain currentDomain = AppDomain.CurrentDomain;
|
|
Assembly[] assems = currentDomain.GetAssemblies();
|
|
|
|
Type type = null;
|
|
|
|
// @@@@: This should go backwards, we tend to lookup our own stuff, then builtins.
|
|
// Also, cache a typename into its assembly.
|
|
foreach( Assembly a in assems )
|
|
{
|
|
type = a.GetType( typename );
|
|
|
|
if( type != null )
|
|
break;
|
|
}
|
|
|
|
if( type == null )
|
|
{
|
|
return null;
|
|
}
|
|
|
|
return Deserialize( elem, type );
|
|
}
|
|
|
|
private object Deserialize( XmlElement elem, Type type, object enclosing = null )
|
|
{
|
|
TypeCode typeCode = Type.GetTypeCode( type );
|
|
|
|
if( typeCode != TypeCode.Object )
|
|
{
|
|
return DeserializeConcrete( elem, type );
|
|
}
|
|
else
|
|
{
|
|
if( !type.IsArray )
|
|
{
|
|
object obj = DeserializeObject( elem, type );
|
|
|
|
if( obj is I_Serialize )
|
|
{
|
|
var iser = obj as I_Serialize;
|
|
|
|
iser.OnDeserialize( enclosing );
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
else
|
|
{
|
|
return DeserializeArray( elem, type );
|
|
}
|
|
}
|
|
}
|
|
|
|
Type[] mm_types = new Type[1];
|
|
private object GetDefault( Type t )
|
|
{
|
|
mm_types[0] = t;
|
|
|
|
var fn = GetType().GetMethod( "GetDefaultGeneric" ).MakeGenericMethod( mm_types );
|
|
|
|
return fn.Invoke( this, null );
|
|
}
|
|
|
|
public T GetDefaultGeneric<T>()
|
|
{
|
|
return default( T );
|
|
}
|
|
|
|
private object DeserializeConcrete( XmlElement elem, Type type )
|
|
{
|
|
string val = elem.GetAttribute( "v" );
|
|
|
|
if( !type.IsEnum )
|
|
{
|
|
try
|
|
{
|
|
return s_conv.Convert( val, type );
|
|
}
|
|
catch( Exception )
|
|
{
|
|
return GetDefault( type );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return Enum.Parse( type, val );
|
|
}
|
|
|
|
}
|
|
|
|
private XmlElement getNamedChild( XmlNodeList list, string name )
|
|
{
|
|
foreach( XmlNode node in list )
|
|
{
|
|
if( node.Name == name )
|
|
{
|
|
return (XmlElement)node;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private Type FindType( string shortname )
|
|
{
|
|
Assembly[] ass = AppDomain.CurrentDomain.GetAssemblies();
|
|
|
|
foreach( Assembly a in ass )
|
|
{
|
|
Type t = a.GetType( shortname );
|
|
|
|
if( t != null )
|
|
{
|
|
return t;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private Type[] mm_consType = new Type[ 2 ];
|
|
private object[] mm_args = new object[ 2 ];
|
|
private object DeserializeObject( XmlElement elem, Type type )
|
|
{
|
|
string refString = elem.GetAttribute( "ref" );
|
|
|
|
int refInt = refString.Length > 0 ? Convert.ToInt32( refString ) : -1;
|
|
|
|
var finalType = type;
|
|
if( elem.HasAttribute( "t" ) )
|
|
{
|
|
var typename = elem.GetAttribute( "t" );
|
|
finalType = FindType( typename );
|
|
|
|
if( finalType == null )
|
|
finalType = type;
|
|
}
|
|
|
|
object obj = createObject( finalType, refInt );
|
|
|
|
if( obj is IList )
|
|
{
|
|
var list = obj as IList;
|
|
|
|
return DeserializeList( elem, type, list );
|
|
}
|
|
|
|
Type typeISerializable = typeof( ISerializable );
|
|
|
|
if( obj is ISerializable ) // type.IsSubclassOf( typeISerializable ) )
|
|
{
|
|
XmlNodeList allChildren = elem.ChildNodes;
|
|
|
|
//ISerializable ser = obj as ISerializable;
|
|
|
|
var serInfo = new SerializationInfo( finalType, new FormatterConverter() );
|
|
|
|
//var serInfoForTypes = new SerializationInfo( type, new FormatterConverter() );
|
|
|
|
//ser.GetObjectData( serInfoForTypes, Context );
|
|
|
|
foreach( var objNode in allChildren )
|
|
{
|
|
var node = objNode as XmlElement;
|
|
|
|
String name = node.Name;
|
|
|
|
String childType = node.GetAttribute( "t" );
|
|
|
|
name = scr.TypeToIdentifier( name );
|
|
|
|
XmlElement childElem = getNamedChild( allChildren, name );
|
|
|
|
var des = Deserialize( childElem, childType );
|
|
|
|
serInfo.AddValue( name, des, des.GetType() );
|
|
}
|
|
|
|
//ConstructorInfo[] allCons = obj.GetType().GetConstructors( BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic );
|
|
|
|
//var serMem = FormatterServices.GetSerializableMembers( finalType );
|
|
|
|
//object objUn = FormatterServices.GetSafeUninitializedObject( finalType );
|
|
|
|
IDeserializationCallback objUnOnDeser = obj as IDeserializationCallback;
|
|
|
|
mm_consType[0] = typeof( SerializationInfo );
|
|
mm_consType[1] = typeof( StreamingContext );
|
|
ConstructorInfo serCons = finalType.GetConstructor( BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, mm_consType, null );
|
|
|
|
mm_args[0] = serInfo;
|
|
mm_args[1] = Context;
|
|
serCons.Invoke( obj, mm_args );
|
|
|
|
if( objUnOnDeser != null )
|
|
{
|
|
objUnOnDeser.OnDeserialization( objUnOnDeser );
|
|
}
|
|
|
|
/*
|
|
ser.GetObjectData( serInfo, Context );
|
|
|
|
//var serEnum = ;
|
|
|
|
foreach( var serMember in serInfo )
|
|
{
|
|
String name = serMember.Name;
|
|
|
|
name = scr.TypeToIdentifier( name );
|
|
|
|
XmlElement childElem = getNamedChild( allChildren, name );
|
|
|
|
var des = Deserialize( childElem, name );
|
|
}
|
|
*/
|
|
}
|
|
else
|
|
{
|
|
XmlNodeList allChildren = elem.ChildNodes;
|
|
|
|
var fields = scr.GetAllFields( type );
|
|
|
|
//MemberInfo[] miArr = FormatterServices.GetSerializableMembers( type, Context );
|
|
|
|
foreach( var childFi in fields )
|
|
{
|
|
|
|
String name = childFi.Name;
|
|
|
|
name = scr.TypeToIdentifier( name );
|
|
|
|
XmlElement childElem = getNamedChild( allChildren, name );
|
|
|
|
|
|
if( childElem != null )
|
|
{
|
|
object childObj = Deserialize( childElem, childFi.FieldType, obj );
|
|
|
|
childFi.SetValue( obj, childObj );
|
|
}
|
|
else if( fields.Count == 1 )
|
|
{
|
|
object childObj = Deserialize( elem, childFi.FieldType, obj );
|
|
|
|
childFi.SetValue( obj, childObj );
|
|
}
|
|
|
|
|
|
}
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
|
|
private object DeserializeList( XmlElement elem, Type type, IList list )
|
|
{
|
|
XmlNodeList arrNodeList = elem.ChildNodes;
|
|
|
|
Type t = list.GetType();
|
|
|
|
Type[] genT = t.GetGenericArguments();
|
|
|
|
Debug.Assert( genT.Length == 1 );
|
|
|
|
for( int i = 0; i < arrNodeList.Count; ++i )
|
|
{
|
|
if( arrNodeList.Item( i ) is XmlElement )
|
|
{
|
|
XmlElement arrElem = (XmlElement)arrNodeList.Item( i );
|
|
|
|
list.Add( Deserialize( arrElem, genT[0] ) );
|
|
}
|
|
}
|
|
|
|
return list;
|
|
}
|
|
|
|
private object DeserializeArray( XmlElement elem, Type type )
|
|
{
|
|
Type typeElem = type.GetElementType();
|
|
|
|
string refString = elem.GetAttribute( "ref" );
|
|
int refInt = refString.Length > 0 ? Convert.ToInt32( refString ) : -1;
|
|
|
|
XmlNodeList arrNodeList = elem.ChildNodes;
|
|
|
|
int length = arrNodeList.Count;
|
|
|
|
Array arr = createArray( typeElem, refInt, length );
|
|
|
|
for( int i = 0; i < arr.Length; ++i )
|
|
{
|
|
if( arrNodeList.Item( i ) is XmlElement )
|
|
{
|
|
XmlElement arrElem = (XmlElement)arrNodeList.Item( i );
|
|
|
|
arr.SetValue( Deserialize( arrElem, typeElem ), i );
|
|
}
|
|
}
|
|
|
|
return arr;
|
|
}
|
|
|
|
private object createObject( string typename, int refInt )
|
|
{
|
|
Type type = Type.GetType( typename );
|
|
|
|
return createObject( type, refInt );
|
|
}
|
|
|
|
private object createObject( Type type, int refInt )
|
|
{
|
|
TypeCode tc = Type.GetTypeCode( type );
|
|
|
|
if( m_cfg.datastructure == Datastructure.Full && refInt > 0 && m_alreadySerialized.ContainsKey( refInt ) )
|
|
{
|
|
//lib.log.info( "Reusing object for {0}", refInt );
|
|
return m_alreadySerialized[refInt];
|
|
}
|
|
else
|
|
{
|
|
object obj = null;
|
|
|
|
try
|
|
{
|
|
//Trying the nice way to creat objects first.
|
|
obj = Activator.CreateInstance( type );
|
|
|
|
}
|
|
catch( Exception )
|
|
{
|
|
try
|
|
{
|
|
obj = System.Runtime.Serialization.FormatterServices.GetUninitializedObject( type );
|
|
}
|
|
catch( Exception exInner )
|
|
{
|
|
lib.Log.error( $"Got exception {exInner.Message} trying to make an uninitialized object" );
|
|
}
|
|
|
|
}
|
|
|
|
if( obj == null )
|
|
{
|
|
lib.Log.warn( $"Could not create object of type {type.Name}" );
|
|
|
|
return obj;
|
|
}
|
|
|
|
if( m_cfg.datastructure == Datastructure.Full && refInt > 0 )
|
|
{
|
|
m_alreadySerialized[refInt] = obj;
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
}
|
|
|
|
private Array createArray( string elemTypename, int refInt, int length )
|
|
{
|
|
Type elemType = Type.GetType( elemTypename );
|
|
|
|
return createArray( elemType, refInt, length );
|
|
}
|
|
|
|
private Array createArray( Type elemType, int refInt, int length )
|
|
{
|
|
TypeCode elemTC = Type.GetTypeCode( elemType );
|
|
|
|
if( m_cfg.datastructure == Datastructure.Full && refInt > 0 && m_alreadySerialized.ContainsKey( refInt ) )
|
|
{
|
|
return (Array)m_alreadySerialized[refInt];
|
|
}
|
|
else
|
|
{
|
|
Array arr = Array.CreateInstance( elemType, length ) ;
|
|
|
|
if( m_cfg.datastructure == Datastructure.Full )
|
|
{
|
|
m_alreadySerialized[refInt] = arr;
|
|
|
|
}
|
|
|
|
return arr;
|
|
}
|
|
}
|
|
|
|
private ObjectIDGenerator m_objectID = new ObjectIDGenerator();
|
|
private Dictionary<long, object> m_alreadySerialized = new Dictionary<long, object>();
|
|
|
|
#endregion
|
|
|
|
#region Serialize
|
|
|
|
private string getTypeName( Type type )
|
|
{
|
|
//Assembly ass = type.Assembly;
|
|
|
|
//string assName = ass.GetName().Name;
|
|
|
|
return type.FullName; // + ", " + assName;
|
|
}
|
|
|
|
public void Serialize( Stream stream, object root )
|
|
{
|
|
//lib.log.info( "Serialize( Stream stream, object root ) {0} {1}", m_rndVal, m_alreadySerialized.Count );
|
|
|
|
m_alreadySerialized.Clear();
|
|
m_objectID = new ObjectIDGenerator();
|
|
|
|
XmlTextWriter writer = new XmlTextWriter( stream, System.Text.Encoding.ASCII );
|
|
|
|
writer.Formatting = Formatting.Indented;
|
|
|
|
Serialize( writer, root );
|
|
|
|
//Rely on the parent closing the stream.
|
|
//writer.Close();
|
|
writer.Flush();
|
|
|
|
//lib.log.info( "Serialize END ( Stream stream, object root ) {0} {1}", m_rndVal, m_alreadySerialized.Count );
|
|
}
|
|
|
|
private void Serialize( XmlWriter writer, object root )
|
|
{
|
|
//writer.WriteStartDocument();
|
|
Serialize( writer, root, "root", true );
|
|
//writer.WriteEndDocument();
|
|
}
|
|
|
|
private void Serialize( XmlWriter writer, object root, string name, bool forceType )
|
|
{
|
|
writer.WriteStartElement( name );
|
|
|
|
if( root != null )
|
|
{
|
|
Type type = root.GetType();
|
|
|
|
TypeCode typeCode = Type.GetTypeCode( type );
|
|
|
|
if( typeCode != TypeCode.Object )
|
|
{
|
|
SerializeConcrete( writer, root, forceType );
|
|
}
|
|
else
|
|
{
|
|
if( !type.IsArray )
|
|
{
|
|
SerializeObject( writer, root );
|
|
}
|
|
else
|
|
{
|
|
SerializeArray( writer, root );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
writer.WriteAttributeString( "v", "null" );
|
|
}
|
|
|
|
writer.WriteEndElement();
|
|
}
|
|
|
|
private void SerializeConcrete( XmlWriter writer, object root, bool forceType )
|
|
{
|
|
//TODO: Only write this out if debugging.
|
|
if( forceType )
|
|
{
|
|
writer.WriteAttributeString( "t", getTypeName( root.GetType() ) );
|
|
}
|
|
writer.WriteAttributeString( "v", root.ToString() );
|
|
}
|
|
|
|
private void SerializeObject( XmlWriter writer, object root )
|
|
{
|
|
writer.WriteAttributeString( "t", getTypeName( root.GetType() ) );
|
|
|
|
/*
|
|
if( root is IList )
|
|
{
|
|
var list = root as IList;
|
|
|
|
Type t = root.GetType();
|
|
|
|
Type[] genT = t.GetGenericArguments();
|
|
}
|
|
*/
|
|
|
|
bool first;
|
|
|
|
long refInt = m_objectID.GetId( root, out first );
|
|
|
|
if( m_cfg.datastructure == Datastructure.Full )
|
|
{
|
|
writer.WriteAttributeString( "ref", refInt.ToString() );
|
|
|
|
}
|
|
|
|
if( first )
|
|
{
|
|
if( m_cfg.datastructure == Datastructure.Full )
|
|
{
|
|
m_alreadySerialized[refInt] = root;
|
|
}
|
|
|
|
Type type = root.GetType();
|
|
|
|
//*
|
|
Type typeISerializable = typeof( ISerializable );
|
|
|
|
if( root is ISerializable ) // type.IsSubclassOf( typeISerializable ) )
|
|
{
|
|
ISerializable ser = root as ISerializable;
|
|
|
|
var serInfo = new SerializationInfo( type, new FormatterConverter() );
|
|
|
|
ser.GetObjectData( serInfo, Context );
|
|
|
|
//var serEnum = ;
|
|
|
|
foreach( var serMember in serInfo )
|
|
{
|
|
String name = serMember.Name;
|
|
|
|
name = scr.TypeToIdentifier( name );
|
|
|
|
Serialize( writer, serMember.Value, name, true );
|
|
}
|
|
|
|
//var sc = new SerializationContext(
|
|
|
|
//ser.GetObjectData(
|
|
}
|
|
else
|
|
//*/
|
|
{
|
|
var fields = scr.GetAllFields( type );
|
|
|
|
//MemberInfo[] miArr = FormatterServices.GetSerializableMembers( type, Context );
|
|
|
|
foreach( var childFi in fields )
|
|
{
|
|
|
|
object[] objs = childFi.GetCustomAttributes( typeof( NonSerializedAttribute ), true );
|
|
|
|
if( objs.Length > 0 )
|
|
{
|
|
continue;
|
|
}
|
|
|
|
String name = childFi.Name;
|
|
|
|
name = scr.TypeToIdentifier( name );
|
|
|
|
Serialize( writer, childFi.GetValue( root ), name, false );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void SerializeArray( XmlWriter writer, object root )
|
|
{
|
|
Array arr = (Array)root;
|
|
|
|
Type typeElem = arr.GetType().GetElementType();
|
|
|
|
Type type = root.GetType();
|
|
|
|
writer.WriteAttributeString( "t", getTypeName( type ) );
|
|
|
|
bool first;
|
|
|
|
long refInt = m_objectID.GetId( root, out first );
|
|
|
|
if( m_cfg.datastructure == Datastructure.Full )
|
|
{
|
|
writer.WriteAttributeString( "ref", refInt.ToString() );
|
|
}
|
|
|
|
if( first )
|
|
{
|
|
if( m_cfg.datastructure == Datastructure.Full )
|
|
{
|
|
m_alreadySerialized[refInt] = root;
|
|
}
|
|
|
|
|
|
for( int i = 0; i < arr.Length; ++i )
|
|
{
|
|
Serialize( writer, arr.GetValue( i ), "i" + i.ToString(), false );
|
|
}
|
|
}
|
|
}
|
|
#endregion
|
|
}
|
|
|
|
}
|