public PersistentAttribute(string name, IGetterSetter accessor)
{
Name = name;
Accessor = accessor;
}
public PersistentAttribute(string name, IGetterSetter accessor, int arrLength)
{
Accessor = accessor;
Length = arrLength;
Name = name;
}
internal void AddToModule(ModuleBuilder module)
{
string typeName = (nextTypeId++).ToString();
//
// Define a public class named "Property" in the assembly.
//
TypeBuilder myType =
module.DefineType(typeName, TypeAttributes.Public);
//
// Mark the class as implementing IPropertyAccessor.
//
myType.AddInterfaceImplementation(typeof(IGetterSetter));
// Add a constructor
//ConstructorBuilder constructor = myType.DefineDefaultConstructor(MethodAttributes.Public);
//
// Define a method for the get operation.
//
Type[] getParamTypes = new [] {typeof(object)};
Type getReturnType = typeof(object);
MethodBuilder getMethod =
myType.DefineMethod("Get",
MethodAttributes.Public | MethodAttributes.Virtual,
getReturnType,
getParamTypes);
//
// From the method, get an ILGenerator. This is used to
// emit the IL that we want.
//
ILGenerator getIL = getMethod.GetILGenerator();
//
// Emit the IL.
//
var targetGetMethod = mProperty.GetGetMethod();
if(targetGetMethod != null)
{
getIL.DeclareLocal(typeof(object));
getIL.Emit(OpCodes.Ldarg_1); //Load the first argument
//(target object)
getIL.Emit(OpCodes.Castclass, mTargetType); //Cast to the source type
getIL.EmitCall(OpCodes.Call, targetGetMethod, null); //Get the property value
if(targetGetMethod.ReturnType.IsValueType)
{
getIL.Emit(OpCodes.Box, targetGetMethod.ReturnType); //Box if necessary
}
getIL.Emit(OpCodes.Stloc_0); //Store it
getIL.Emit(OpCodes.Ldloc_0);
}
else
{
getIL.ThrowException(typeof(MissingMethodException));
}
getIL.Emit(OpCodes.Ret);
//
// Define a method for the set operation.
//
Type[] setParamTypes = new [] {typeof(object), typeof(object)};
Type setReturnType = null;
MethodBuilder setMethod =
myType.DefineMethod("Set",
MethodAttributes.Public | MethodAttributes.Virtual,
setReturnType,
setParamTypes);
//
// From the method, get an ILGenerator. This is used to
// emit the IL that we want.
//
ILGenerator setIL = setMethod.GetILGenerator();
//
// Emit the IL.
//
MethodInfo targetSetMethod = mProperty.GetSetMethod();
if(targetSetMethod != null)
{
Type paramType = targetSetMethod.GetParameters()[0].ParameterType;
setIL.DeclareLocal(paramType);
setIL.Emit(OpCodes.Ldarg_1); //Load the first argument
//(target object)
setIL.Emit(OpCodes.Castclass, mTargetType); //Cast to the source type
setIL.Emit(OpCodes.Ldarg_2); //Load the second argument
//(value object)
if(paramType.IsValueType)
{
setIL.Emit(OpCodes.Unbox, paramType); //Unbox it
if(typesHashes[paramType]!=null) //and load
{
OpCode load = (OpCode)typesHashes[paramType];
setIL.Emit(load);
}
else
{
setIL.Emit(OpCodes.Ldobj,paramType);
}
}
else
{
setIL.Emit(OpCodes.Castclass, paramType); //Cast class
}
setIL.EmitCall(OpCodes.Callvirt,
targetSetMethod, null); //Set the property value
}
else
{
setIL.ThrowException(typeof(MissingMethodException));
}
setIL.Emit(OpCodes.Ret);
//
// Load the type
//
myType.CreateType();
mEmittedPropertyAccessor = module.Assembly.CreateInstance(typeName) as IGetterSetter;
if (mEmittedPropertyAccessor == null)
{
throw new Exception("Unable to create property accessor.");
}
}
public PersistentAttribute(IGetterSetter accessor)
{
Accessor = accessor;
}
public NestedSimpleDataField(DataHolderDefinition dataHolder, string name, IGetterSetter accessor,
MemberInfo mappedMember, IProducer producer, INestedDataField parent)
: base(dataHolder, name, accessor, mappedMember, producer, parent)
{
}
/// <summary>
/// Prescans the type.
/// </summary>
protected virtual void Scan(SerializerOptions options, bool includeIfUnattributed)
{
XmlApproachAttribute approach = null;
XmlElementAttribute elementAttribute;
// Get the applicable attributes
LoadAttributes(options);
// Get the setter/getter and serializer
if (memberInfo is FieldInfo)
{
getterSetter = new FieldGetterSetter(memberInfo);
returnType = ((FieldInfo) memberInfo).FieldType;
}
else if (memberInfo is PropertyInfo)
{
var propertyInfo = (PropertyInfo) memberInfo;
getterSetter = new PropertyGetterSetter(memberInfo);
returnType = ((PropertyInfo) memberInfo).PropertyType;
}
else if (memberInfo is Type)
{
getterSetter = null;
serializedName = memberInfo.Name;
returnType = (Type) memberInfo;
}
else
{
throw new ArgumentException($"Unsupported member type: {this.memberInfo.MemberType.ToString()}");
}
// Get the [XmlExclude] [XmlAttribute] or [XmlElement] attribute
var attribute = GetFirstApplicableAttribute(false, typeof (XmlExcludeAttribute),typeof(XmlTextAttribute), typeof (XmlAttributeAttribute), typeof (XmlElementAttribute));
if (attribute != null)
{
if (attribute is XmlExcludeAttribute)
{
// This member needs to be excluded
serializedNodeType = XmlNodeType.None;
}
else if (attribute is XmlTextAttribute)
{
serializedNodeType = XmlNodeType.Text;
}
else if ((approach = attribute as XmlApproachAttribute) != null)
{
ApproachAttribute = approach;
// This member needs to be included as an attribute or an element
serializedNodeType = approach is XmlElementAttribute ? XmlNodeType.Element : XmlNodeType.Attribute;
if (approach.Type != null)
{
returnType = approach.Type;
}
serializedName = approach.Name;
serializedNamespace = approach.Namespace;
if ((elementAttribute = approach as XmlElementAttribute) != null)
{
if (elementAttribute.SerializeAsValueNode)
{
serializeAsValueNodeAttributeName = elementAttribute.ValueNodeAttributeName;
}
}
if (approach.SerializeUnattribted)
{
this.includeIfUnattributed = true;
}
if (approach.SerializeIfNull)
this.serializeIfNull = true;
}
}
else
{
if (includeIfUnattributed)
{
serializedName = memberInfo.Name;
serializedNodeType = XmlNodeType.Element;
}
else
{
serializedNodeType = XmlNodeType.None;
}
}
if (serializedNodeType == XmlNodeType.None)
{
return;
}
// Check if the member should be serialized as CDATA
attribute = GetFirstApplicableAttribute(typeof (XmlCDataAttribute));
if (attribute != null)
{
serializeAsCData = ((XmlCDataAttribute) attribute).Enabled;
}
attribute = GetFirstApplicableAttribute(typeof (XmlVariableSubstitutionAttribute));
if (attribute != null)
{
Substitutor = (IVariableSubstitutor) Activator.CreateInstance(((XmlVariableSubstitutionAttribute) attribute).SubstitutorType);
}
// Set the serialized (element or attribute) name to the name of the member if it hasn't already been set
if (serializedName.Length == 0)
{
if (approach != null && approach.UseNameFromAttributedType && memberInfo.MemberType == MemberTypes.TypeInfo)
{
serializedName = GetAttributeDeclaringType((Type) memberInfo, approach).Name;
}
else
{
serializedName = this.memberInfo.Name.Left(PredicateUtils.ObjectEquals('`').Not());
}
}
// Make the serialized (element or attribute) name lowercase if requested
if (approach != null)
{
if (approach.MakeNameLowercase)
{
serializedName = serializedName.ToLower();
}
}
// Get the explicitly specified TypeSerializer if requested
attribute = GetFirstApplicableAttribute(typeof (XmlTypeSerializerTypeAttribute));
if (attribute != null)
{
if (((XmlTypeSerializerTypeAttribute) attribute).SerializerType != null)
{
typeSerializer = typeSerializerCache.GetTypeSerializerBySerializerType(((XmlTypeSerializerTypeAttribute) attribute).SerializerType, this);
if (!returnType.IsAssignableFrom(typeSerializer.SupportedType))
{
throw new InvalidOperationException($"Explicitly specified serializer ({((XmlTypeSerializerTypeAttribute)attribute).SerializerType.Name}) doesn't support serializing of associated program element.");
}
}
}
else
{
typeSerializer = typeSerializerCache.GetTypeSerializerBySupportedType(returnType, this);
}
// Check if the member should be treated as a null value if it is empty
treatAsNullIfEmpty = HasApplicableAttribute(typeof (XmlTreatAsNullIfEmptyAttribute));
// Check if the member's declared type is polymorphic
var polymorphicTypeAttribute = (XmlPolymorphicTypeAttribute) GetFirstApplicableAttribute(typeof (XmlPolymorphicTypeAttribute));
if (polymorphicTypeAttribute != null)
{
polymorphicTypeProvider = (IXmlDynamicTypeProvider) Activator.CreateInstance(polymorphicTypeAttribute.PolymorphicTypeProvider);
}
}
public NestedArrayDataField(DataHolderDefinition dataHolder, string name, IGetterSetter accessor,
MemberInfo mappedMember,
IProducer producer, IProducer arrayProducer, int length, INestedDataField parent)
: base(dataHolder, name, accessor, mappedMember, parent, length, arrayProducer)
{
m_Producer = producer;
m_ArrayAccessors = new NestedArrayAccessor[m_length];
for (var i = 0; i < m_length; i++)
{
m_ArrayAccessors[i] = new NestedArrayAccessor(this, i);
}
}
protected NestedDataField(DataHolderDefinition dataHolder, string name, IGetterSetter accessor, MemberInfo mappedMember, IProducer producer, INestedDataField parent)
: base(dataHolder, name, accessor, mappedMember, parent)
{
m_Producer = producer;
}
protected DataField(DataHolderDefinition dataHolder, string name, IGetterSetter accessor, MemberInfo mappedMember, INestedDataField parent)
: base(dataHolder, accessor, parent)
{
m_mappedMember = mappedMember;
m_name = name;
//m_fullName = parent;
}
protected DataFieldBase(DataHolderDefinition dataHolder, IGetterSetter accessor, INestedDataField parent)
{
m_DataHolderDefinition = dataHolder;
m_parent = parent;
m_accessor = accessor;
}
protected ArrayDataField(DataHolderDefinition dataHolder, string name,
IGetterSetter accessor, MemberInfo mappedMember, INestedDataField parent, int length, IProducer arrProducer)
: base(dataHolder, name, accessor, mappedMember, parent)
{
m_length = length;
m_arrProducer = arrProducer;
}
/// <summary>
/// Prescans the type.
/// </summary>
protected virtual void Scan(SerializerOptions options, bool includeIfUnattributed)
{
XmlApproachAttribute approach = null;
XmlElementAttribute elementAttribute;
// Get the applicable attributes
LoadAttributes(options);
// Get the setter/getter and serializer
if (memberInfo is FieldInfo)
{
getterSetter = new FieldGetterSetter(memberInfo);
returnType = ((FieldInfo)memberInfo).FieldType;
}
else if (memberInfo is PropertyInfo)
{
var propertyInfo = (PropertyInfo)memberInfo;
getterSetter = new PropertyGetterSetter(memberInfo);
returnType = ((PropertyInfo)memberInfo).PropertyType;
}
else if (memberInfo is Type)
{
getterSetter = null;
serializedName = memberInfo.Name;
returnType = (Type)memberInfo;
}
else
{
throw new ArgumentException(String.Format("Unsupported member type: {0}", memberInfo.MemberType.ToString()));
}
// Get the [XmlExclude] [XmlAttribute] or [XmlElement] attribute
var attribute = GetFirstApplicableAttribute(false, typeof(XmlExcludeAttribute), typeof(XmlTextAttribute), typeof(XmlAttributeAttribute), typeof(XmlElementAttribute));
if (attribute != null)
{
if (attribute is XmlExcludeAttribute)
{
// This member needs to be excluded
serializedNodeType = XmlNodeType.None;
}
else if (attribute is XmlTextAttribute)
{
serializedNodeType = XmlNodeType.Text;
}
else if ((approach = attribute as XmlApproachAttribute) != null)
{
ApproachAttribute = approach;
// This member needs to be included as an attribute or an element
serializedNodeType = approach is XmlElementAttribute ? XmlNodeType.Element : XmlNodeType.Attribute;
if (approach.Type != null)
{
returnType = approach.Type;
}
serializedName = approach.Name;
serializedNamespace = approach.Namespace;
if ((elementAttribute = approach as XmlElementAttribute) != null)
{
if (elementAttribute.SerializeAsValueNode)
{
serializeAsValueNodeAttributeName = elementAttribute.ValueNodeAttributeName;
}
}
if (approach.SerializeUnattribted)
{
this.includeIfUnattributed = true;
}
if (approach.SerializeIfNull)
{
this.serializeIfNull = true;
}
}
}
else
{
if (includeIfUnattributed)
{
serializedName = memberInfo.Name;
serializedNodeType = XmlNodeType.Element;
}
else
{
serializedNodeType = XmlNodeType.None;
}
}
if (serializedNodeType == XmlNodeType.None)
{
return;
}
// Check if the member should be serialized as CDATA
attribute = GetFirstApplicableAttribute(typeof(XmlCDataAttribute));
if (attribute != null)
{
serializeAsCData = ((XmlCDataAttribute)attribute).Enabled;
}
attribute = GetFirstApplicableAttribute(typeof(XmlVariableSubstitutionAttribute));
if (attribute != null)
{
Substitutor = (IVariableSubstitutor)Activator.CreateInstance(((XmlVariableSubstitutionAttribute)attribute).SubstitutorType);
}
// Set the serialized (element or attribute) name to the name of the member if it hasn't already been set
if (serializedName.Length == 0)
{
if (approach != null && approach.UseNameFromAttributedType && memberInfo.MemberType == MemberTypes.TypeInfo)
{
serializedName = GetAttributeDeclaringType((Type)memberInfo, approach).Name;
}
else
{
serializedName = this.memberInfo.Name.Left(PredicateUtils.ObjectEquals('`').Not());
}
}
// Make the serialized (element or attribute) name lowercase if requested
if (approach != null)
{
if (approach.MakeNameLowercase)
{
serializedName = serializedName.ToLower();
}
}
// Get the explicitly specified TypeSerializer if requested
attribute = GetFirstApplicableAttribute(typeof(XmlTypeSerializerTypeAttribute));
if (attribute != null)
{
if (((XmlTypeSerializerTypeAttribute)attribute).SerializerType != null)
{
typeSerializer = typeSerializerCache.GetTypeSerializerBySerializerType(((XmlTypeSerializerTypeAttribute)attribute).SerializerType, this);
if (!returnType.IsAssignableFrom(typeSerializer.SupportedType))
{
throw new InvalidOperationException(String.Format("Explicitly specified serializer ({0}) doesn't support serializing of associated program element.", ((XmlTypeSerializerTypeAttribute)attribute).SerializerType.Name));
}
}
}
else
{
typeSerializer = typeSerializerCache.GetTypeSerializerBySupportedType(returnType, this);
}
// Check if the member should be treated as a null value if it is empty
treatAsNullIfEmpty = HasApplicableAttribute(typeof(XmlTreatAsNullIfEmptyAttribute));
// Check if the member's declared type is polymorphic
var polymorphicTypeAttribute = (XmlPolymorphicTypeAttribute)GetFirstApplicableAttribute(typeof(XmlPolymorphicTypeAttribute));
if (polymorphicTypeAttribute != null)
{
polymorphicTypeProvider = (IXmlDynamicTypeProvider)Activator.CreateInstance(polymorphicTypeAttribute.PolymorphicTypeProvider);
}
}
public FlatSimpleDataField(DataHolderDefinition dataHolder, string name, IGetterSetter accessor,
MemberInfo mappedMember, INestedDataField parent)
: base(dataHolder, name, accessor, mappedMember, parent)
{
}
internal void AddToModule(ModuleBuilder module)
{
string typeName = (nextTypeId++).ToString();
//
// Define a public class named "Property" in the assembly.
//
TypeBuilder myType =
module.DefineType(typeName, TypeAttributes.Public);
//
// Mark the class as implementing IPropertyAccessor.
//
myType.AddInterfaceImplementation(typeof(IGetterSetter));
// Add a constructor
//ConstructorBuilder constructor = myType.DefineDefaultConstructor(MethodAttributes.Public);
//
// Define a method for the get operation.
//
Type[] getParamTypes = new [] { typeof(object) };
Type getReturnType = typeof(object);
MethodBuilder getMethod =
myType.DefineMethod("Get",
MethodAttributes.Public | MethodAttributes.Virtual,
getReturnType,
getParamTypes);
//
// From the method, get an ILGenerator. This is used to
// emit the IL that we want.
//
ILGenerator getIL = getMethod.GetILGenerator();
//
// Emit the IL.
//
var targetGetMethod = mProperty.GetGetMethod();
if (targetGetMethod != null)
{
getIL.DeclareLocal(typeof(object));
getIL.Emit(OpCodes.Ldarg_1); //Load the first argument
//(target object)
getIL.Emit(OpCodes.Castclass, mTargetType); //Cast to the source type
getIL.EmitCall(OpCodes.Call, targetGetMethod, null); //Get the property value
if (targetGetMethod.ReturnType.IsValueType)
{
getIL.Emit(OpCodes.Box, targetGetMethod.ReturnType); //Box if necessary
}
getIL.Emit(OpCodes.Stloc_0); //Store it
getIL.Emit(OpCodes.Ldloc_0);
}
else
{
getIL.ThrowException(typeof(MissingMethodException));
}
getIL.Emit(OpCodes.Ret);
//
// Define a method for the set operation.
//
Type[] setParamTypes = new [] { typeof(object), typeof(object) };
Type setReturnType = null;
MethodBuilder setMethod =
myType.DefineMethod("Set",
MethodAttributes.Public | MethodAttributes.Virtual,
setReturnType,
setParamTypes);
//
// From the method, get an ILGenerator. This is used to
// emit the IL that we want.
//
ILGenerator setIL = setMethod.GetILGenerator();
//
// Emit the IL.
//
MethodInfo targetSetMethod = mProperty.GetSetMethod();
if (targetSetMethod != null)
{
Type paramType = targetSetMethod.GetParameters()[0].ParameterType;
setIL.DeclareLocal(paramType);
setIL.Emit(OpCodes.Ldarg_1); //Load the first argument
//(target object)
setIL.Emit(OpCodes.Castclass, mTargetType); //Cast to the source type
setIL.Emit(OpCodes.Ldarg_2); //Load the second argument
//(value object)
if (paramType.IsValueType)
{
setIL.Emit(OpCodes.Unbox, paramType); //Unbox it
if (typesHashes[paramType] != null) //and load
{
OpCode load = (OpCode)typesHashes[paramType];
setIL.Emit(load);
}
else
{
setIL.Emit(OpCodes.Ldobj, paramType);
}
}
else
{
setIL.Emit(OpCodes.Castclass, paramType); //Cast class
}
setIL.EmitCall(OpCodes.Callvirt,
targetSetMethod, null); //Set the property value
}
else
{
setIL.ThrowException(typeof(MissingMethodException));
}
setIL.Emit(OpCodes.Ret);
//
// Load the type
//
myType.CreateType();
mEmittedPropertyAccessor = module.Assembly.CreateInstance(typeName) as IGetterSetter;
if (mEmittedPropertyAccessor == null)
{
throw new Exception("Unable to create property accessor.");
}
}
public static IGetterSetter AddToModule(ModuleBuilder module, PropertyInfo prop)
{
string str = NextTypeName(prop.GetFullMemberName());
Type declaringType = prop.DeclaringType;
TypeBuilder typeBuilder = module.DefineType(str, TypeAttributes.Public);
typeBuilder.AddInterfaceImplementation(typeof(IGetterSetter));
Type[] parameterTypes1 = new Type[1]
{
typeof(object)
};
Type returnType1 = typeof(object);
ILGenerator ilGenerator1 = typeBuilder.DefineMethod("Get",
MethodAttributes.Public | MethodAttributes.Virtual, returnType1, parameterTypes1).GetILGenerator();
MethodInfo getMethod = prop.GetGetMethod();
if (getMethod != null)
{
ilGenerator1.DeclareLocal(typeof(object));
ilGenerator1.Emit(OpCodes.Ldarg_1);
ilGenerator1.Emit(OpCodes.Castclass, declaringType);
ilGenerator1.EmitCall(OpCodes.Call, getMethod, null);
if (getMethod.ReturnType.IsValueType)
{
ilGenerator1.Emit(OpCodes.Box, getMethod.ReturnType);
}
ilGenerator1.Emit(OpCodes.Stloc_0);
ilGenerator1.Emit(OpCodes.Ldloc_0);
}
else
{
ilGenerator1.ThrowException(typeof(MissingMethodException));
}
ilGenerator1.Emit(OpCodes.Ret);
Type[] parameterTypes2 = new Type[2]
{
typeof(object),
typeof(object)
};
Type returnType2 = null;
ILGenerator ilGenerator2 = typeBuilder.DefineMethod("Set",
MethodAttributes.Public | MethodAttributes.Virtual, returnType2, parameterTypes2).GetILGenerator();
MethodInfo setMethod = prop.GetSetMethod();
if (setMethod != null)
{
Type parameterType = setMethod.GetParameters()[0].ParameterType;
ilGenerator2.DeclareLocal(parameterType);
ilGenerator2.Emit(OpCodes.Ldarg_1);
ilGenerator2.Emit(OpCodes.Castclass, declaringType);
ilGenerator2.Emit(OpCodes.Ldarg_2);
if (parameterType.IsValueType)
{
ilGenerator2.Emit(OpCodes.Unbox, parameterType);
OpCode opcode;
if (PropTypesHashes.TryGetValue(parameterType, out opcode))
{
ilGenerator2.Emit(opcode);
}
else
{
ilGenerator2.Emit(OpCodes.Ldobj, parameterType);
}
}
else
{
ilGenerator2.Emit(OpCodes.Castclass, parameterType);
}
ilGenerator2.EmitCall(OpCodes.Callvirt, setMethod, null);
}
else
{
ilGenerator2.ThrowException(typeof(MissingMethodException));
}
ilGenerator2.Emit(OpCodes.Ret);
typeBuilder.CreateType();
IGetterSetter instance = module.Assembly.CreateInstance(str) as IGetterSetter;
if (instance == null)
{
throw new Exception("Unable to create property accessor for \"" + prop + "\" of type: " +
prop.DeclaringType.FullName);
}
return(instance);
}
