Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Compiler / TypeSystem / DesignTimeType.cs / 1305376 / DesignTimeType.cs
#pragma warning disable 1634, 1691
namespace System.Workflow.ComponentModel.Compiler
{
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Reflection;
using System.CodeDom;
using System.Diagnostics;
using System.Text;
internal sealed class DesignTimeType : Type, ICloneable
{
#region Members and Constructors
private static readonly char[] nameSeparators = new char[] { '.', '+' };
private static readonly char[] elementDecorators = new char[] { '[', '*', '&' };
private Type declaringType;
private string fullName;
private TypeAttributes typeAttributes;
private ITypeProvider typeProvider;
private Attribute[] attributes = null;
private ConstructorInfo[] constructors = null;
private FieldInfo[] fields = null;
private EventInfo[] events = null;
private PropertyInfo[] properties = null;
private MethodInfo[] methods = null;
private Type[] nestedTypes = new Type[0];
private List codeDomTypes = null; // accounting for partial types
private CodeNamespaceImportCollection codeNamespaceImports = null;
private Guid guid = Guid.Empty;
internal DesignTimeType(Type declaringType,
string typeName,
CodeNamespaceImportCollection codeNamespaceImports,
string namespaceName,
ITypeProvider typeProvider)
{
if (typeName == null)
throw new ArgumentNullException("typeName");
if (codeNamespaceImports == null)
throw new ArgumentNullException("codeNamespaceImports");
if (typeProvider == null)
throw new ArgumentNullException("typeProvider");
if (namespaceName == null && declaringType == null)
throw new InvalidOperationException(SR.GetString(SR.NamespaceAndDeclaringTypeCannotBeNull));
typeName = Helper.EnsureTypeName(typeName);
namespaceName = Helper.EnsureTypeName(namespaceName);
if (declaringType == null)
{
if (namespaceName.Length == 0)
this.fullName = typeName;
else
this.fullName = namespaceName + "." + typeName;
}
else
{
this.fullName = declaringType.FullName + "+" + typeName;
}
this.codeDomTypes = new List();
this.codeNamespaceImports = codeNamespaceImports;
this.typeProvider = typeProvider;
this.declaringType = declaringType;
this.typeAttributes = default(TypeAttributes);
}
internal DesignTimeType(Type declaringType, string elementTypeFullName, ITypeProvider typeProvider)
{
// constructor for declaring types with element (Arrays, Pointers, ByRef).
if (typeProvider == null)
throw new ArgumentNullException("typeProvider");
if (elementTypeFullName.LastIndexOfAny(elementDecorators) == -1)
throw new ArgumentException(SR.GetString(SR.NotElementType), "elementTypeFullName");
if (elementTypeFullName == null)
throw new ArgumentNullException("FullName");
this.fullName = Helper.EnsureTypeName(elementTypeFullName);
this.codeDomTypes = null;
this.nestedTypes = new Type[0];
this.codeNamespaceImports = null;
this.typeProvider = typeProvider;
this.declaringType = declaringType;
// Set Attributes according to the element type attributes
Type elementType = GetElementType();
if (elementType == null)
throw new ArgumentException(SR.GetString(SR.NotElementType), "elementTypeFullName");
if (IsArray)
{
this.typeAttributes = elementType.Attributes & TypeAttributes.VisibilityMask | TypeAttributes.Class | TypeAttributes.Sealed | TypeAttributes.Serializable;
}
else
{
// Pointer/ByRef attributes
//
this.typeAttributes = TypeAttributes.AnsiClass;
}
}
#endregion
internal ITypeProvider Provider
{
get
{
return this.typeProvider;
}
}
internal void AddCodeTypeDeclaration(CodeTypeDeclaration codeDomType)
{
if (codeDomType == null)
throw new ArgumentNullException("codeDomType");
//
this.typeAttributes |= codeDomType.TypeAttributes & ~TypeAttributes.Public;
this.typeAttributes |= Helper.ConvertToTypeAttributes(codeDomType.Attributes, this.declaringType);
foreach (CodeAttributeDeclaration attribute in codeDomType.CustomAttributes)
{
if (string.Equals(attribute.Name, "System.SerializableAttribute", StringComparison.Ordinal) || string.Equals(attribute.Name, "System.Serializable", StringComparison.Ordinal) || string.Equals(attribute.Name, "SerializableAttribute", StringComparison.Ordinal) || string.Equals(attribute.Name, "Serializable", StringComparison.Ordinal))
{
this.typeAttributes |= TypeAttributes.Serializable;
break;
}
}
codeDomTypes.Add(codeDomType);
this.attributes = null;
this.constructors = null;
this.fields = null;
this.events = null;
this.properties = null;
this.methods = null;
LoadNestedTypes(codeDomType);
}
#region Properties
public override Assembly Assembly
{
get
{
// We can't provide an assembly. This is a design time only type
return null;
}
}
public override string AssemblyQualifiedName
{
get
{
// We can't provide an assembly. This is a design time only type
return this.FullName;
}
}
public override Type BaseType
{
get
{
Type type = null;
if (this.codeDomTypes != null)
{
foreach (CodeTypeDeclaration codeDomType in this.codeDomTypes)
{
// Look for candidates in the type
foreach (CodeTypeReference codeBaseType in codeDomType.BaseTypes)
{
Type typeCandidate = ResolveType(GetTypeNameFromCodeTypeReference(codeBaseType, this));
if ((typeCandidate != null) && (!typeCandidate.IsInterface))
{
type = typeCandidate;
break;
}
}
if (type != null && !type.Equals(ResolveType("System.Object")))
break;
}
}
if (type == null)
{
// Look for implicit base class
if (IsArray)
type = ResolveType("System.Array");
else if (codeDomTypes != null && codeDomTypes.Count > 0)
{
if (codeDomTypes[0].IsStruct)
type = ResolveType("System.ValueType");
else if (codeDomTypes[0].IsEnum)
type = ResolveType("System.Enum");
else if ((codeDomTypes[0].IsClass) && (!IsByRef) && (!IsPointer))
type = ResolveType("System.Object");
else if (codeDomTypes[0] is CodeTypeDelegate)
type = ResolveType("System.Delegate");
}
}
return type;
}
}
public Type GetEnumType()
{
if (this.codeDomTypes != null)
{
foreach (CodeTypeDeclaration declaration in this.codeDomTypes)
{
Type enumBaseType = declaration.UserData[typeof(Enum)] as Type;
if (enumBaseType != null)
{
return enumBaseType;
}
else
{
if (declaration.BaseTypes.Count > 1)
{
CodeTypeReference reference = declaration.BaseTypes[1];//the first one would be Enum
Type enumBaseType2 = reference.UserData[typeof(Enum)] as Type;
if (enumBaseType2 != null)
return enumBaseType2;
}
}
}
}
return typeof(int);//default
}
public override Type DeclaringType
{
get
{
return this.declaringType;
}
}
public override string FullName
{
get
{
return this.fullName;
}
}
public override Guid GUID
{
get
{
if (this.guid == Guid.Empty)
// Set a GUID
//
this.guid = Guid.NewGuid();
return this.guid;
}
}
public override Module Module
{
get
{
// We can't provide this. This is a design time only type
return null;
}
}
public override string Name
{
get
{
string name = this.fullName;
// detect first bracket, any name seperators after it are part of a generic parameter...
int idx = name.IndexOf('[');
// Get the name after the last dot
if (idx != -1)
idx = name.Substring(0, idx).LastIndexOfAny(nameSeparators);
else
idx = name.LastIndexOfAny(nameSeparators);
if (idx != -1)
name = this.fullName.Substring(idx + 1);
return name;
}
}
public override string Namespace
{
get
{
if (this.fullName == Name)
return string.Empty;
if (this.declaringType != null)
{
return this.declaringType.Namespace;
}
return this.fullName.Substring(0, this.fullName.Length - Name.Length - 1);
}
}
public override RuntimeTypeHandle TypeHandle
{
get
{
// no runtime context to our type
#pragma warning suppress 56503
throw new NotImplementedException(TypeSystemSR.GetString("Error_RuntimeNotSupported"));
}
}
public override Type UnderlyingSystemType
{
get
{
return this;
}
}
#endregion
#region public methods
public override object[] GetCustomAttributes(bool inherit)
{
return GetCustomAttributes(typeof(object), inherit);
}
public override object[] GetCustomAttributes(Type attributeType, bool inherit)
{
if (attributeType == null)
throw new ArgumentNullException("attributeType");
// Ensure attributes
if (this.codeDomTypes != null && this.attributes == null)
{
CodeAttributeDeclarationCollection attributeDecls = new CodeAttributeDeclarationCollection();
foreach (CodeTypeDeclaration codeType in this.codeDomTypes)
attributeDecls.AddRange(codeType.CustomAttributes);
this.attributes = Helper.LoadCustomAttributes(attributeDecls, this);
}
// It is possible both this.codeDomTypes and this.attributes are null.
// For example, when constructing type with element (Array, ByRef, Pointer), we don't
// set the typedecl because the base type is a system type. We don't set this.attributes
// either because we don't actually create a type of the base type. We simply do
// new DesignTimeType(null, name, typeProvider). In such cases, we loose the custom attributes
// on the base type.
if (this.attributes != null)
return Helper.GetCustomAttributes(attributeType, inherit, this.attributes, this);
else
return new object[0];
}
public override ConstructorInfo[] GetConstructors(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.constructors, false);
}
public override EventInfo GetEvent(string name, BindingFlags bindingAttr)
{
return GetMemberHelper(bindingAttr, new MemberSignature(name, null, null), ref this.events);
}
public override EventInfo[] GetEvents(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.events, true);
}
public override FieldInfo GetField(string name, BindingFlags bindingAttr)
{
return GetMemberHelper(bindingAttr, new MemberSignature(name, null, null), ref this.fields);
}
public override FieldInfo[] GetFields(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.fields, true);
}
public override MethodInfo[] GetMethods(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.methods, true);
}
public override PropertyInfo[] GetProperties(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.properties, true);
}
public override MemberInfo[] GetMember(string name, MemberTypes type, BindingFlags bindingAttr)
{
// verify arguments
VerifyGetMemberArguments(name, bindingAttr);
List members = new List();
// Methods
if ((type & MemberTypes.Method) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.methods));
// Constructors
if ((type & MemberTypes.Constructor) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.constructors));
// Properties
if ((type & MemberTypes.Property) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.properties));
// Events
if ((type & MemberTypes.Event) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.events));
// Fields
if ((type & MemberTypes.Field) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.fields));
// Nested types
if ((type & MemberTypes.NestedType) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.nestedTypes));
return members.ToArray();
}
public override MemberInfo[] GetMembers(BindingFlags bindingAttr)
{
// verify arguments
VerifyGetMemberArguments(bindingAttr);
ArrayList members = new ArrayList();
//
members.AddRange(GetMethods(bindingAttr));
members.AddRange(GetProperties(bindingAttr));
members.AddRange(GetEvents(bindingAttr));
members.AddRange(GetFields(bindingAttr));
members.AddRange(GetNestedTypes(bindingAttr));
return (MemberInfo[])members.ToArray(typeof(MemberInfo));
}
public override MemberInfo[] GetDefaultMembers()
{
// Get all of the custom attributes
DefaultMemberAttribute attr = null;
for (Type t = this; t != null; t = t.BaseType)
{
object[] attrs = GetCustomAttributes(typeof(DefaultMemberAttribute), false);
if (attrs != null && attrs.Length > 0)
attr = attrs[0] as DefaultMemberAttribute;
if (attr != null)
break;
}
if (attr == null)
return new MemberInfo[0];
String defaultMember = attr.MemberName;
MemberInfo[] members = GetMember(defaultMember);
if (members == null)
members = new MemberInfo[0];
return members;
}
public override Type GetNestedType(string name, BindingFlags bindingAttr)
{
return GetMemberHelper(bindingAttr, new MemberSignature(name, null, null), ref this.nestedTypes);
}
public override Type[] GetNestedTypes(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.nestedTypes, false);
}
public override Type GetInterface(string name, bool ignoreCase)
{
if (this.codeDomTypes != null)
{
StringComparison compare = (ignoreCase) ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal;
// search in the type
foreach (CodeTypeDeclaration codeDomType in this.codeDomTypes)
{
foreach (CodeTypeReference codeBaseType in codeDomType.BaseTypes)
{
Type interfaceCandidate = ResolveType(GetTypeNameFromCodeTypeReference(codeBaseType, this));
if (interfaceCandidate != null)
{
if ((interfaceCandidate.IsInterface == true) && (string.Equals(interfaceCandidate.FullName, name, compare)))
return interfaceCandidate;
// look in base class/intefaces
Type baseInterfaceCandidate = interfaceCandidate.GetInterface(name, ignoreCase);
if (baseInterfaceCandidate != null)
return baseInterfaceCandidate;
}
}
}
}
return null;
}
public override Type[] GetInterfaces()
{
ArrayList types = new ArrayList();
if (this.codeDomTypes != null)
{
// search in the type
foreach (CodeTypeDeclaration codeDomType in this.codeDomTypes)
{
foreach (CodeTypeReference codeBaseType in codeDomType.BaseTypes)
{
Type interfaceCandidate = ResolveType(GetTypeNameFromCodeTypeReference(codeBaseType, this));
if (interfaceCandidate != null)
{
if ((interfaceCandidate.IsInterface == true) && (!types.Contains(interfaceCandidate)))
types.Add(interfaceCandidate);
// look in base class/intefaces
Type[] baseInterfaces = interfaceCandidate.GetInterfaces();
foreach (Type baseInterfaceCandidate in baseInterfaces)
{
if ((baseInterfaceCandidate != null) && (!types.Contains(baseInterfaceCandidate)))
types.Add(baseInterfaceCandidate);
}
}
}
}
}
return (Type[])types.ToArray(typeof(Type));
}
public override object InvokeMember(string name, BindingFlags bindingFlags, Binder binder, object target, object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParams)
{
throw new NotImplementedException(TypeSystemSR.GetString("Error_RuntimeNotSupported"));
}
public override string ToString()
{
return fullName;
}
public override int GetHashCode()
{
return base.GetHashCode();
}
public override bool IsDefined(Type attributeType, bool inherit)
{
if (attributeType == null)
throw new ArgumentNullException("attributeType");
//
this.GetCustomAttributes(true);
if (Helper.IsDefined(attributeType, inherit, attributes, this))
return true;
return false;
}
public override Type GetElementType()
{
Type elementType = null;
int elementCharPosition = fullName.LastIndexOfAny(elementDecorators);
if (elementCharPosition >= 0)
elementType = ResolveType(fullName.Substring(0, elementCharPosition));
return elementType;
}
public override int GetArrayRank()
{
if (!IsArray)
throw new ArgumentException(TypeSystemSR.GetString("Error_TypeIsNotArray"));
int position = Name.LastIndexOf('[');
int rank = 1;
while (Name[position] != ']')
{
if (Name[position] == ',')
rank++;
position++;
}
return rank;
}
public override bool IsAssignableFrom(Type c)
{
return TypeProvider.IsAssignable(this, c);
}
public override bool IsSubclassOf(Type c)
{
if (c == null)
return false;
return TypeProvider.IsSubclassOf(this, c);
}
public override Type MakeArrayType()
{
return this.typeProvider.GetType(String.Format(CultureInfo.InvariantCulture, "{0}[]", this.FullName));
}
#endregion
#region Helpers
private void VerifyGetMemberArguments(string name, BindingFlags bindingAttr)
{
if (name == null)
throw new ArgumentNullException("name");
VerifyGetMemberArguments(bindingAttr);
}
private void VerifyGetMemberArguments(BindingFlags bindingAttr)
{
// We only support public based constructors on DesignTime type
BindingFlags supported = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.FlattenHierarchy | BindingFlags.Instance | BindingFlags.DeclaredOnly | BindingFlags.IgnoreCase;
if ((bindingAttr & ~supported) != 0)
throw new ArgumentException(TypeSystemSR.GetString("Error_GetMemberBindingOptions"));
}
internal Type ResolveType(string name)
{
Type type = null;
//first assume full name was provided
type = typeProvider.GetType(name);
if (type == null && !string.IsNullOrEmpty(Namespace))
// prefixing the namespace
type = typeProvider.GetType(Namespace + "." + name);
// maybe it is nested type on the current type
if (type == null)
type = typeProvider.GetType(fullName + "+" + name);
// prefixing imported namespaces
if ((type == null) && (this.codeNamespaceImports != null))
{
foreach (CodeNamespaceImport codeNamespaceImport in this.codeNamespaceImports)
{
type = typeProvider.GetType(codeNamespaceImport.Namespace + "." + name);
if (type != null)
break;
}
}
// maybe it is a fullname of a nested class
if (type == null)
{
string nestedName = name;
int indexOfFirstDot = name.IndexOf('.');
int indexOfLastDot = -1;
while (((indexOfLastDot = nestedName.LastIndexOf('.')) != indexOfFirstDot) && (type == null))
{
nestedName = nestedName.Substring(0, indexOfLastDot) + "+" + nestedName.Substring(indexOfLastDot + 1);
type = typeProvider.GetType(nestedName);
}
}
//
return type;
}
private bool FilterMember(MemberInfo memberInfo, BindingFlags bindingFlags)
{
bool isPublic = false;
bool isStatic = false;
if (this.IsInterface)
{
isPublic = true;
isStatic = false;
}
else if (memberInfo is MethodBase)
{
isPublic = (memberInfo as MethodBase).IsPublic;
isStatic = (memberInfo as MethodBase).IsStatic;
}
else if (memberInfo is DesignTimeEventInfo)
{
isPublic = (memberInfo as DesignTimeEventInfo).IsPublic;
isStatic = (memberInfo as DesignTimeEventInfo).IsStatic;
}
else if (memberInfo is FieldInfo)
{
isPublic = (memberInfo as FieldInfo).IsPublic;
isStatic = (memberInfo as FieldInfo).IsStatic;
}
else if (memberInfo is PropertyInfo)
{
// Property public\static attributes can be fetched using the accessors
PropertyInfo propertyInfo = memberInfo as PropertyInfo;
MethodInfo accessorMethod = null;
if (propertyInfo.CanRead)
accessorMethod = propertyInfo.GetGetMethod(true);
else
accessorMethod = propertyInfo.GetSetMethod(true);
if (accessorMethod != null)
{
isPublic = accessorMethod.IsPublic;
isStatic = accessorMethod.IsStatic;
}
}
else if (memberInfo is Type)
{
isPublic = (memberInfo as Type).IsPublic || (memberInfo as Type).IsNestedPublic;
// No static check.
return ((((isPublic) && ((bindingFlags & BindingFlags.Public) != 0)) || ((!isPublic) && ((bindingFlags & BindingFlags.NonPublic) != 0))));
}
return ((((isPublic) && ((bindingFlags & BindingFlags.Public) != 0)) || ((!isPublic) && ((bindingFlags & BindingFlags.NonPublic) != 0))) && (((isStatic) && ((bindingFlags & BindingFlags.Static) != 0)) || ((!isStatic) && ((bindingFlags & BindingFlags.Instance) != 0))));
}
// generic method that implements all GetXXXs methods
private T[] GetMembersHelper(BindingFlags bindingAttr, ref T[] members, bool searchBase)
where T : MemberInfo
{
// verify arguments
VerifyGetMemberArguments(bindingAttr);
EnsureMembers(typeof(T));
Dictionary membersDictionary = new Dictionary();
// get local properties
foreach (T memberInfo in members)
{
MemberSignature memberSignature = new MemberSignature(memberInfo);
if ((FilterMember(memberInfo, bindingAttr)) && (!membersDictionary.ContainsKey(memberSignature)))
membersDictionary.Add(new MemberSignature(memberInfo), memberInfo);
}
if (searchBase && (bindingAttr & BindingFlags.DeclaredOnly) == 0)
{
// FlattenHierarchy is required to return static members from base classes.
if ((bindingAttr & BindingFlags.FlattenHierarchy) == 0)
bindingAttr &= ~BindingFlags.Static;
Type baseType = BaseType;
if (baseType != null)
{
T[] baseMembers = GetBaseMembers(typeof(T), baseType, bindingAttr) as T[];
foreach (T memberInfo in baseMembers)
{
// We should not return private members from base classes. Note: Generics requires us to use "as".
if ((memberInfo is FieldInfo && (memberInfo as FieldInfo).IsPrivate) || (memberInfo is MethodBase && (memberInfo as MethodBase).IsPrivate) || (memberInfo is Type && (memberInfo as Type).IsNestedPrivate))
continue;
// verify a member with this signature was not already created
MemberSignature memberSignature = new MemberSignature(memberInfo);
if (!membersDictionary.ContainsKey(memberSignature))
membersDictionary.Add(memberSignature, memberInfo);
}
}
}
List memberCollection = new List(membersDictionary.Values);
return memberCollection.ToArray();
}
private MemberInfo[] GetBaseMembers(Type type, Type baseType, BindingFlags bindingAttr)
{
MemberInfo[] members = null;
if (type == typeof(PropertyInfo))
members = baseType.GetProperties(bindingAttr);
else if (type == typeof(EventInfo))
members = baseType.GetEvents(bindingAttr);
else if (type == typeof(ConstructorInfo))
members = baseType.GetConstructors(bindingAttr);
else if (type == typeof(MethodInfo))
members = baseType.GetMethods(bindingAttr);
else if (type == typeof(FieldInfo))
members = baseType.GetFields(bindingAttr);
else if (type == typeof(Type))
members = baseType.GetNestedTypes(bindingAttr);
return members;
}
private T[] GetMembersHelper(BindingFlags bindingAttr, MemberSignature memberSignature, ref T[] members)
where T : MemberInfo
{
List memberCandidates = new List();
foreach (T memberInfo in this.GetMembersHelper(bindingAttr, ref members, true))
{
MemberSignature candididateMemberSignature = new MemberSignature(memberInfo);
if (candididateMemberSignature.FilterSignature(memberSignature))
memberCandidates.Add(memberInfo);
}
return memberCandidates.ToArray();
}
// generic method that implements all GetXXX methods
private T GetMemberHelper(BindingFlags bindingAttr, MemberSignature memberSignature, ref T[] members)
where T : MemberInfo
{
// verify arguments
VerifyGetMemberArguments(bindingAttr);
EnsureMembers(typeof(T));
// search the local type
foreach (T memberInfo in members)
{
MemberSignature candididateMemberSignature = new MemberSignature(memberInfo);
if (candididateMemberSignature.FilterSignature(memberSignature) && FilterMember(memberInfo, bindingAttr))
return memberInfo;
}
if ((bindingAttr & BindingFlags.DeclaredOnly) == 0)
{
// serach base types
// FlattenHierarchy is required to return static members from base classes.
if ((bindingAttr & BindingFlags.FlattenHierarchy) == 0)
bindingAttr &= ~BindingFlags.Static;
Type baseType = BaseType;
if (baseType != null)
{
T memberInfo = (T)GetBaseMember(typeof(T), baseType, bindingAttr, memberSignature);
if (memberInfo != null)
{
// We should not return private members from base classes. Note: Generics requires us to use "as".
if ((memberInfo is FieldInfo && (memberInfo as FieldInfo).IsPrivate) || (memberInfo is MethodBase && (memberInfo as MethodBase).IsPrivate) || (memberInfo is Type && (memberInfo as Type).IsNestedPrivate))
return null;
return memberInfo;
}
}
}
return null;
}
internal MemberInfo GetBaseMember(Type type, Type baseType, BindingFlags bindingAttr, MemberSignature memberSignature)
{
if (memberSignature == null)
throw new ArgumentNullException("memberSignature");
if (baseType == null)
return null;
MemberInfo member = null;
if (typeof(PropertyInfo).IsAssignableFrom(type))
{
if (memberSignature.Parameters != null)
member = baseType.GetProperty(memberSignature.Name, bindingAttr, null, memberSignature.ReturnType, memberSignature.Parameters, null);
else
member = baseType.GetProperty(memberSignature.Name, bindingAttr);
}
else if (typeof(EventInfo).IsAssignableFrom(type))
member = baseType.GetEvent(memberSignature.Name, bindingAttr);
else if (typeof(ConstructorInfo).IsAssignableFrom(type))
member = baseType.GetConstructor(bindingAttr, null, memberSignature.Parameters, null);
else if (typeof(MethodInfo).IsAssignableFrom(type))
{
if (memberSignature.Parameters != null)
member = baseType.GetMethod(memberSignature.Name, bindingAttr, null, memberSignature.Parameters, null);
else
member = baseType.GetMethod(memberSignature.Name, bindingAttr);
}
else if (typeof(FieldInfo).IsAssignableFrom(type))
member = baseType.GetField(memberSignature.Name, bindingAttr);
else if (typeof(Type).IsAssignableFrom(type))
member = baseType.GetNestedType(memberSignature.Name, bindingAttr);
return member;
}
internal static string GetTypeNameFromCodeTypeReference(CodeTypeReference codeTypeReference, DesignTimeType declaringType)
{
StringBuilder typeName = new StringBuilder();
if (codeTypeReference.ArrayRank == 0)
{
Type resolvedType = null;
if (declaringType != null)
resolvedType = declaringType.ResolveType(codeTypeReference.BaseType);
if (resolvedType != null)
typeName.Append(resolvedType.FullName);
else
typeName.Append(codeTypeReference.BaseType);
if ((codeTypeReference.TypeArguments != null) && (codeTypeReference.TypeArguments.Count > 0))
{
if (codeTypeReference.BaseType.IndexOf('`') == -1)
typeName.Append(string.Format(CultureInfo.InvariantCulture, "`{0}", new object[] { codeTypeReference.TypeArguments.Count }));
typeName.Append("[");
foreach (CodeTypeReference typeArgument in codeTypeReference.TypeArguments)
{
typeName.Append("[");
typeName.Append(GetTypeNameFromCodeTypeReference(typeArgument, declaringType));
typeName.Append("],");
}
typeName.Length = typeName.Length - 1; //remove the last comma
typeName.Append("]");
}
}
else
{
typeName.Append(GetTypeNameFromCodeTypeReference(codeTypeReference.ArrayElementType, declaringType));
// Build array decoration (ByRefs and Pointers are part of the the BaseType)
typeName.Append("[");
for (int loop = 0; loop < codeTypeReference.ArrayRank - 1; loop++)
typeName.Append(',');
typeName.Append("]");
}
return typeName.ToString();
}
#endregion
#region implementation overrides
protected override ConstructorInfo GetConstructorImpl(BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
{
return GetMemberHelper(bindingAttr, new MemberSignature(null, types, null), ref this.constructors);
}
protected override MethodInfo GetMethodImpl(string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
{
return GetMemberHelper(bindingAttr, new MemberSignature(name, types, null), ref this.methods);
}
protected override PropertyInfo GetPropertyImpl(String name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers)
{
return GetMemberHelper(bindingAttr, new MemberSignature(name, types, null), ref this.properties);
}
protected override TypeAttributes GetAttributeFlagsImpl()
{
return typeAttributes;
}
protected override bool HasElementTypeImpl()
{
int elementCharPosition = Name.LastIndexOfAny(elementDecorators);
return (elementCharPosition != -1);
}
protected override bool IsArrayImpl()
{
int elementCharPosition = Name.LastIndexOfAny(elementDecorators);
if ((elementCharPosition != -1) && (Name[elementCharPosition] == '['))
return true;
return false;
}
protected override bool IsByRefImpl()
{
return (this.fullName[this.fullName.Length - 1] == '&');
}
public override Type MakeByRefType()
{
return this.ResolveType(this.fullName + "&");
}
protected override bool IsCOMObjectImpl()
{
//
return false;
}
protected override bool IsContextfulImpl()
{
//
return false;
}
protected override bool IsMarshalByRefImpl()
{
//
return false;
}
protected override bool IsPointerImpl()
{
return (this.fullName[this.fullName.Length - 1] == '*');
}
protected override bool IsPrimitiveImpl()
{
return false;
}
#endregion
#region Loaders
private void EnsureMembers(Type type)
{
if ((type == typeof(PropertyInfo)) && (this.properties == null))
this.properties = GetCodeDomMembers().ToArray();
else if ((type == typeof(FieldInfo)) && (this.fields == null))
this.fields = GetCodeDomMembers().ToArray();
else if ((type == typeof(ConstructorInfo)) && (this.constructors == null))
this.constructors = GetCodeDomConstructors().ToArray();
else if ((type == typeof(EventInfo)) && (this.events == null))
this.events = GetCodeDomMembers().ToArray();
else if ((type == typeof(MethodInfo)) && (this.methods == null))
{
EnsureMembers(typeof(PropertyInfo));
EnsureMembers(typeof(EventInfo));
List methodCollection = GetCodeDomMembers();
MethodInfo methodInfo = null;
foreach (PropertyInfo propertyInfo in this.properties)
{
if ((methodInfo = propertyInfo.GetGetMethod()) != null)
methodCollection.Add(methodInfo);
if ((methodInfo = propertyInfo.GetSetMethod()) != null)
methodCollection.Add(methodInfo);
}
foreach (EventInfo eventInfo in this.events)
{
if ((methodInfo = eventInfo.GetAddMethod()) != null)
methodCollection.Add(methodInfo);
if ((methodInfo = eventInfo.GetRemoveMethod()) != null)
methodCollection.Add(methodInfo);
if ((methodInfo = eventInfo.GetRaiseMethod()) != null)
methodCollection.Add(methodInfo);
}
this.methods = methodCollection.ToArray();
}
}
private List GetCodeDomMembers()
where T : MemberInfo
{
List memberCollection = new List();
if (this.codeDomTypes != null)
{
foreach (CodeTypeDeclaration codeDomType in codeDomTypes)
{
//!!! Work around for supporting delegates
if (codeDomType is CodeTypeDelegate && typeof(T) == typeof(MethodInfo))
{
CodeMemberMethod invokeMethod = new CodeMemberMethod();
invokeMethod.Name = "Invoke";
invokeMethod.Attributes = MemberAttributes.Public;
foreach (CodeParameterDeclarationExpression parameterDecl in ((CodeTypeDelegate)codeDomType).Parameters)
invokeMethod.Parameters.Add(parameterDecl);
invokeMethod.ReturnType = ((CodeTypeDelegate)codeDomType).ReturnType;
memberCollection.Add((T)CreateMemberInfo(typeof(MethodInfo), invokeMethod));
}
foreach (CodeTypeMember member in codeDomType.Members)
{
T memberInfo = (T)CreateMemberInfo(typeof(T), member);
if (memberInfo != null)
memberCollection.Add(memberInfo);
}
}
}
return memberCollection;
}
// CFx bug 461
// The code dom being generated by VsCodeDomParser.cs does not
// add default constructors for classes unless they
// exist in the source code. Unfortunately, this cannot be easily
// fixed in the CodeDomParser because the code dom returned by that
// class is expected to kept in [....] with the real source code.
// So we cannot "fabricate" a default constructor there without
// breaking lots of assumptions elsewhere in the code.
// Instead, we add a default constructor here, if necessary.
private List GetCodeDomConstructors()
{
List constructors = GetCodeDomMembers();
// we only add a default constructor if
// this is a struct or is a non-static\non-abstract class and it doesn't have any
// constructors
// * Note - static classes are represented as Abstract and Sealed
// abstract classes are represented as Abstract; thus we will check just for that flag
if (this.IsValueType || ((constructors.Count == 0) && !this.IsAbstract))
{
CodeConstructor codeConstructor = new CodeConstructor();
codeConstructor.Attributes = MemberAttributes.Public;
ConstructorInfo constructorInfo = new DesignTimeConstructorInfo(this, codeConstructor);
constructors.Add(constructorInfo);
}
return constructors;
}
private void LoadNestedTypes(CodeTypeDeclaration codeDomType)
{
List localMembers = new List();
foreach (Type t in this.nestedTypes)
localMembers.Add(t);
foreach (CodeTypeMember member in codeDomType.Members)
{
if (!(member is CodeTypeDeclaration))
continue;
CodeTypeDeclaration codeType = member as CodeTypeDeclaration;
Type partialType = null;
foreach (Type nestedType in localMembers)
{
if (nestedType.Name.Equals(Helper.EnsureTypeName(codeType.Name)))
{
partialType = nestedType;
break;
}
}
if (partialType == null)
{
partialType = new DesignTimeType(this, codeType.Name, this.codeNamespaceImports, this.fullName, this.typeProvider);
localMembers.Add(partialType);
((TypeProvider)this.typeProvider).AddType(partialType);
}
((DesignTimeType)partialType).AddCodeTypeDeclaration(codeType);
}
this.nestedTypes = localMembers.ToArray();
}
private MemberInfo CreateMemberInfo(Type memberInfoType, CodeTypeMember member)
{
MemberInfo memberInfo = null;
if ((memberInfoType == typeof(PropertyInfo)) && (member is CodeMemberProperty))
memberInfo = new DesignTimePropertyInfo(this, member as CodeMemberProperty);
else if ((memberInfoType == typeof(EventInfo)) && (member is CodeMemberEvent))
memberInfo = new DesignTimeEventInfo(this, member as CodeMemberEvent);
else if ((memberInfoType == typeof(FieldInfo)) && (member is CodeMemberField))
memberInfo = new DesignTimeFieldInfo(this, member as CodeMemberField);
else if ((memberInfoType == typeof(ConstructorInfo)) && ((member is CodeConstructor) || (member is CodeTypeConstructor)))
memberInfo = new DesignTimeConstructorInfo(this, member as CodeMemberMethod);
else if ((memberInfoType == typeof(MethodInfo)) && (member.GetType() == typeof(CodeMemberMethod)))
memberInfo = new DesignTimeMethodInfo(this, member as CodeMemberMethod);
return memberInfo;
}
#endregion
#region MemberSignature class
// Uniquely identify a memberInfo
internal class MemberSignature
{
#region Members and Constructors
private string name = null;
private Type[] parameters = null;
private Type returnType = null;
readonly int hashCode;
internal MemberSignature(MemberInfo memberInfo)
{
this.name = memberInfo.Name;
if (memberInfo is MethodBase)
{
List typeCollection = new List();
// method/constructor arguments
foreach (ParameterInfo parameterInfo in (memberInfo as MethodBase).GetParameters())
typeCollection.Add(parameterInfo.ParameterType);
this.parameters = typeCollection.ToArray();
if (memberInfo is MethodInfo)
this.returnType = ((MethodInfo)memberInfo).ReturnType;
}
else if (memberInfo is PropertyInfo)
{
PropertyInfo propertyInfo = memberInfo as PropertyInfo;
List typeCollection = new List();
// indexer arguments
foreach (ParameterInfo parameterInfo in propertyInfo.GetIndexParameters())
typeCollection.Add(parameterInfo.ParameterType);
this.parameters = typeCollection.ToArray();
// return type for property
this.returnType = propertyInfo.PropertyType;
}
this.hashCode = this.GetHashCodeImpl();
}
internal MemberSignature(string name, Type[] parameters, Type returnType)
{
this.name = name;
this.returnType = returnType;
if (parameters != null)
this.parameters = (Type[])parameters.Clone();
this.hashCode = this.GetHashCodeImpl();
}
#endregion
#region properties
public string Name
{
get
{
return name;
}
}
public Type ReturnType
{
get
{
return returnType;
}
}
public Type[] Parameters
{
get
{
if (parameters == null)
return null;
return (Type[])parameters.Clone();
}
}
#endregion
#region Comparison
public override bool Equals(object obj)
{
MemberSignature memberSignature = obj as MemberSignature;
if ((memberSignature == null) || (this.name != memberSignature.name) || (this.returnType != memberSignature.returnType))
return false;
if ((this.Parameters == null) && (memberSignature.Parameters != null) ||
(this.Parameters != null) && (memberSignature.Parameters == null))
return false;
if (this.Parameters != null)
{
if (this.parameters.Length != memberSignature.parameters.Length)
return false;
for (int loop = 0; loop < this.parameters.Length; loop++)
{
if (this.parameters[loop] != memberSignature.parameters[loop])
return false;
}
}
return true;
}
// this method will filter using a mask signautre. only non-null mask members are used to filter
// the signature, the rest are ignored
public bool FilterSignature(MemberSignature maskSignature)
{
if (maskSignature == null)
throw new ArgumentNullException("maskSignature");
if (((maskSignature.Name != null) && (this.name != maskSignature.name)) ||
((maskSignature.returnType != null) && (this.returnType != maskSignature.returnType)))
return false;
if (maskSignature.parameters != null)
{
if (this.parameters == null)
return false;
if (this.parameters.Length != maskSignature.parameters.Length)
return false;
for (int loop = 0; loop < this.parameters.Length; loop++)
{
if (!this.parameters[loop].Equals(maskSignature.parameters[loop]))
return false;
}
}
return true;
}
public override string ToString()
{
string str = string.Empty;
if (returnType != null)
str = returnType.FullName + " ";
if (name != null && name.Length != 0)
str += name;
if (parameters != null && parameters.Length > 0)
{
str += "(";
for (int i = 0; i < parameters.Length; i++)
{
if (i > 0)
str += ", ";
if (parameters[i] != null)
{
if (parameters[i].GetType() != null && parameters[i].GetType().IsByRef)
str += "ref ";
str += parameters[i].FullName;
}
}
str += ")";
}
return str;
}
public override int GetHashCode()
{
return this.hashCode;
}
int GetHashCodeImpl()
{
int hashCode = 0;
if (this.name != null)
{
hashCode = name.GetHashCode();
}
if (this.parameters != null && this.parameters.Length > 0)
{
for (int i = 0; i < this.parameters.Length; i++)
{
if (this.parameters[i] != null)
{
hashCode ^= this.parameters[i].GetHashCode();
}
}
}
if (this.returnType != null)
{
hashCode ^= this.returnType.GetHashCode();
}
return hashCode;
}
#endregion
}
#endregion
#region ICloneable Members
public object Clone()
{
return this;
}
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
#pragma warning disable 1634, 1691
namespace System.Workflow.ComponentModel.Compiler
{
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Reflection;
using System.CodeDom;
using System.Diagnostics;
using System.Text;
internal sealed class DesignTimeType : Type, ICloneable
{
#region Members and Constructors
private static readonly char[] nameSeparators = new char[] { '.', '+' };
private static readonly char[] elementDecorators = new char[] { '[', '*', '&' };
private Type declaringType;
private string fullName;
private TypeAttributes typeAttributes;
private ITypeProvider typeProvider;
private Attribute[] attributes = null;
private ConstructorInfo[] constructors = null;
private FieldInfo[] fields = null;
private EventInfo[] events = null;
private PropertyInfo[] properties = null;
private MethodInfo[] methods = null;
private Type[] nestedTypes = new Type[0];
private List codeDomTypes = null; // accounting for partial types
private CodeNamespaceImportCollection codeNamespaceImports = null;
private Guid guid = Guid.Empty;
internal DesignTimeType(Type declaringType,
string typeName,
CodeNamespaceImportCollection codeNamespaceImports,
string namespaceName,
ITypeProvider typeProvider)
{
if (typeName == null)
throw new ArgumentNullException("typeName");
if (codeNamespaceImports == null)
throw new ArgumentNullException("codeNamespaceImports");
if (typeProvider == null)
throw new ArgumentNullException("typeProvider");
if (namespaceName == null && declaringType == null)
throw new InvalidOperationException(SR.GetString(SR.NamespaceAndDeclaringTypeCannotBeNull));
typeName = Helper.EnsureTypeName(typeName);
namespaceName = Helper.EnsureTypeName(namespaceName);
if (declaringType == null)
{
if (namespaceName.Length == 0)
this.fullName = typeName;
else
this.fullName = namespaceName + "." + typeName;
}
else
{
this.fullName = declaringType.FullName + "+" + typeName;
}
this.codeDomTypes = new List();
this.codeNamespaceImports = codeNamespaceImports;
this.typeProvider = typeProvider;
this.declaringType = declaringType;
this.typeAttributes = default(TypeAttributes);
}
internal DesignTimeType(Type declaringType, string elementTypeFullName, ITypeProvider typeProvider)
{
// constructor for declaring types with element (Arrays, Pointers, ByRef).
if (typeProvider == null)
throw new ArgumentNullException("typeProvider");
if (elementTypeFullName.LastIndexOfAny(elementDecorators) == -1)
throw new ArgumentException(SR.GetString(SR.NotElementType), "elementTypeFullName");
if (elementTypeFullName == null)
throw new ArgumentNullException("FullName");
this.fullName = Helper.EnsureTypeName(elementTypeFullName);
this.codeDomTypes = null;
this.nestedTypes = new Type[0];
this.codeNamespaceImports = null;
this.typeProvider = typeProvider;
this.declaringType = declaringType;
// Set Attributes according to the element type attributes
Type elementType = GetElementType();
if (elementType == null)
throw new ArgumentException(SR.GetString(SR.NotElementType), "elementTypeFullName");
if (IsArray)
{
this.typeAttributes = elementType.Attributes & TypeAttributes.VisibilityMask | TypeAttributes.Class | TypeAttributes.Sealed | TypeAttributes.Serializable;
}
else
{
// Pointer/ByRef attributes
//
this.typeAttributes = TypeAttributes.AnsiClass;
}
}
#endregion
internal ITypeProvider Provider
{
get
{
return this.typeProvider;
}
}
internal void AddCodeTypeDeclaration(CodeTypeDeclaration codeDomType)
{
if (codeDomType == null)
throw new ArgumentNullException("codeDomType");
//
this.typeAttributes |= codeDomType.TypeAttributes & ~TypeAttributes.Public;
this.typeAttributes |= Helper.ConvertToTypeAttributes(codeDomType.Attributes, this.declaringType);
foreach (CodeAttributeDeclaration attribute in codeDomType.CustomAttributes)
{
if (string.Equals(attribute.Name, "System.SerializableAttribute", StringComparison.Ordinal) || string.Equals(attribute.Name, "System.Serializable", StringComparison.Ordinal) || string.Equals(attribute.Name, "SerializableAttribute", StringComparison.Ordinal) || string.Equals(attribute.Name, "Serializable", StringComparison.Ordinal))
{
this.typeAttributes |= TypeAttributes.Serializable;
break;
}
}
codeDomTypes.Add(codeDomType);
this.attributes = null;
this.constructors = null;
this.fields = null;
this.events = null;
this.properties = null;
this.methods = null;
LoadNestedTypes(codeDomType);
}
#region Properties
public override Assembly Assembly
{
get
{
// We can't provide an assembly. This is a design time only type
return null;
}
}
public override string AssemblyQualifiedName
{
get
{
// We can't provide an assembly. This is a design time only type
return this.FullName;
}
}
public override Type BaseType
{
get
{
Type type = null;
if (this.codeDomTypes != null)
{
foreach (CodeTypeDeclaration codeDomType in this.codeDomTypes)
{
// Look for candidates in the type
foreach (CodeTypeReference codeBaseType in codeDomType.BaseTypes)
{
Type typeCandidate = ResolveType(GetTypeNameFromCodeTypeReference(codeBaseType, this));
if ((typeCandidate != null) && (!typeCandidate.IsInterface))
{
type = typeCandidate;
break;
}
}
if (type != null && !type.Equals(ResolveType("System.Object")))
break;
}
}
if (type == null)
{
// Look for implicit base class
if (IsArray)
type = ResolveType("System.Array");
else if (codeDomTypes != null && codeDomTypes.Count > 0)
{
if (codeDomTypes[0].IsStruct)
type = ResolveType("System.ValueType");
else if (codeDomTypes[0].IsEnum)
type = ResolveType("System.Enum");
else if ((codeDomTypes[0].IsClass) && (!IsByRef) && (!IsPointer))
type = ResolveType("System.Object");
else if (codeDomTypes[0] is CodeTypeDelegate)
type = ResolveType("System.Delegate");
}
}
return type;
}
}
public Type GetEnumType()
{
if (this.codeDomTypes != null)
{
foreach (CodeTypeDeclaration declaration in this.codeDomTypes)
{
Type enumBaseType = declaration.UserData[typeof(Enum)] as Type;
if (enumBaseType != null)
{
return enumBaseType;
}
else
{
if (declaration.BaseTypes.Count > 1)
{
CodeTypeReference reference = declaration.BaseTypes[1];//the first one would be Enum
Type enumBaseType2 = reference.UserData[typeof(Enum)] as Type;
if (enumBaseType2 != null)
return enumBaseType2;
}
}
}
}
return typeof(int);//default
}
public override Type DeclaringType
{
get
{
return this.declaringType;
}
}
public override string FullName
{
get
{
return this.fullName;
}
}
public override Guid GUID
{
get
{
if (this.guid == Guid.Empty)
// Set a GUID
//
this.guid = Guid.NewGuid();
return this.guid;
}
}
public override Module Module
{
get
{
// We can't provide this. This is a design time only type
return null;
}
}
public override string Name
{
get
{
string name = this.fullName;
// detect first bracket, any name seperators after it are part of a generic parameter...
int idx = name.IndexOf('[');
// Get the name after the last dot
if (idx != -1)
idx = name.Substring(0, idx).LastIndexOfAny(nameSeparators);
else
idx = name.LastIndexOfAny(nameSeparators);
if (idx != -1)
name = this.fullName.Substring(idx + 1);
return name;
}
}
public override string Namespace
{
get
{
if (this.fullName == Name)
return string.Empty;
if (this.declaringType != null)
{
return this.declaringType.Namespace;
}
return this.fullName.Substring(0, this.fullName.Length - Name.Length - 1);
}
}
public override RuntimeTypeHandle TypeHandle
{
get
{
// no runtime context to our type
#pragma warning suppress 56503
throw new NotImplementedException(TypeSystemSR.GetString("Error_RuntimeNotSupported"));
}
}
public override Type UnderlyingSystemType
{
get
{
return this;
}
}
#endregion
#region public methods
public override object[] GetCustomAttributes(bool inherit)
{
return GetCustomAttributes(typeof(object), inherit);
}
public override object[] GetCustomAttributes(Type attributeType, bool inherit)
{
if (attributeType == null)
throw new ArgumentNullException("attributeType");
// Ensure attributes
if (this.codeDomTypes != null && this.attributes == null)
{
CodeAttributeDeclarationCollection attributeDecls = new CodeAttributeDeclarationCollection();
foreach (CodeTypeDeclaration codeType in this.codeDomTypes)
attributeDecls.AddRange(codeType.CustomAttributes);
this.attributes = Helper.LoadCustomAttributes(attributeDecls, this);
}
// It is possible both this.codeDomTypes and this.attributes are null.
// For example, when constructing type with element (Array, ByRef, Pointer), we don't
// set the typedecl because the base type is a system type. We don't set this.attributes
// either because we don't actually create a type of the base type. We simply do
// new DesignTimeType(null, name, typeProvider). In such cases, we loose the custom attributes
// on the base type.
if (this.attributes != null)
return Helper.GetCustomAttributes(attributeType, inherit, this.attributes, this);
else
return new object[0];
}
public override ConstructorInfo[] GetConstructors(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.constructors, false);
}
public override EventInfo GetEvent(string name, BindingFlags bindingAttr)
{
return GetMemberHelper(bindingAttr, new MemberSignature(name, null, null), ref this.events);
}
public override EventInfo[] GetEvents(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.events, true);
}
public override FieldInfo GetField(string name, BindingFlags bindingAttr)
{
return GetMemberHelper(bindingAttr, new MemberSignature(name, null, null), ref this.fields);
}
public override FieldInfo[] GetFields(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.fields, true);
}
public override MethodInfo[] GetMethods(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.methods, true);
}
public override PropertyInfo[] GetProperties(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.properties, true);
}
public override MemberInfo[] GetMember(string name, MemberTypes type, BindingFlags bindingAttr)
{
// verify arguments
VerifyGetMemberArguments(name, bindingAttr);
List members = new List();
// Methods
if ((type & MemberTypes.Method) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.methods));
// Constructors
if ((type & MemberTypes.Constructor) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.constructors));
// Properties
if ((type & MemberTypes.Property) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.properties));
// Events
if ((type & MemberTypes.Event) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.events));
// Fields
if ((type & MemberTypes.Field) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.fields));
// Nested types
if ((type & MemberTypes.NestedType) != 0)
members.AddRange(GetMembersHelper(bindingAttr, new MemberSignature(name, null, null), ref this.nestedTypes));
return members.ToArray();
}
public override MemberInfo[] GetMembers(BindingFlags bindingAttr)
{
// verify arguments
VerifyGetMemberArguments(bindingAttr);
ArrayList members = new ArrayList();
//
members.AddRange(GetMethods(bindingAttr));
members.AddRange(GetProperties(bindingAttr));
members.AddRange(GetEvents(bindingAttr));
members.AddRange(GetFields(bindingAttr));
members.AddRange(GetNestedTypes(bindingAttr));
return (MemberInfo[])members.ToArray(typeof(MemberInfo));
}
public override MemberInfo[] GetDefaultMembers()
{
// Get all of the custom attributes
DefaultMemberAttribute attr = null;
for (Type t = this; t != null; t = t.BaseType)
{
object[] attrs = GetCustomAttributes(typeof(DefaultMemberAttribute), false);
if (attrs != null && attrs.Length > 0)
attr = attrs[0] as DefaultMemberAttribute;
if (attr != null)
break;
}
if (attr == null)
return new MemberInfo[0];
String defaultMember = attr.MemberName;
MemberInfo[] members = GetMember(defaultMember);
if (members == null)
members = new MemberInfo[0];
return members;
}
public override Type GetNestedType(string name, BindingFlags bindingAttr)
{
return GetMemberHelper(bindingAttr, new MemberSignature(name, null, null), ref this.nestedTypes);
}
public override Type[] GetNestedTypes(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.nestedTypes, false);
}
public override Type GetInterface(string name, bool ignoreCase)
{
if (this.codeDomTypes != null)
{
StringComparison compare = (ignoreCase) ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal;
// search in the type
foreach (CodeTypeDeclaration codeDomType in this.codeDomTypes)
{
foreach (CodeTypeReference codeBaseType in codeDomType.BaseTypes)
{
Type interfaceCandidate = ResolveType(GetTypeNameFromCodeTypeReference(codeBaseType, this));
if (interfaceCandidate != null)
{
if ((interfaceCandidate.IsInterface == true) && (string.Equals(interfaceCandidate.FullName, name, compare)))
return interfaceCandidate;
// look in base class/intefaces
Type baseInterfaceCandidate = interfaceCandidate.GetInterface(name, ignoreCase);
if (baseInterfaceCandidate != null)
return baseInterfaceCandidate;
}
}
}
}
return null;
}
public override Type[] GetInterfaces()
{
ArrayList types = new ArrayList();
if (this.codeDomTypes != null)
{
// search in the type
foreach (CodeTypeDeclaration codeDomType in this.codeDomTypes)
{
foreach (CodeTypeReference codeBaseType in codeDomType.BaseTypes)
{
Type interfaceCandidate = ResolveType(GetTypeNameFromCodeTypeReference(codeBaseType, this));
if (interfaceCandidate != null)
{
if ((interfaceCandidate.IsInterface == true) && (!types.Contains(interfaceCandidate)))
types.Add(interfaceCandidate);
// look in base class/intefaces
Type[] baseInterfaces = interfaceCandidate.GetInterfaces();
foreach (Type baseInterfaceCandidate in baseInterfaces)
{
if ((baseInterfaceCandidate != null) && (!types.Contains(baseInterfaceCandidate)))
types.Add(baseInterfaceCandidate);
}
}
}
}
}
return (Type[])types.ToArray(typeof(Type));
}
public override object InvokeMember(string name, BindingFlags bindingFlags, Binder binder, object target, object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParams)
{
throw new NotImplementedException(TypeSystemSR.GetString("Error_RuntimeNotSupported"));
}
public override string ToString()
{
return fullName;
}
public override int GetHashCode()
{
return base.GetHashCode();
}
public override bool IsDefined(Type attributeType, bool inherit)
{
if (attributeType == null)
throw new ArgumentNullException("attributeType");
//
this.GetCustomAttributes(true);
if (Helper.IsDefined(attributeType, inherit, attributes, this))
return true;
return false;
}
public override Type GetElementType()
{
Type elementType = null;
int elementCharPosition = fullName.LastIndexOfAny(elementDecorators);
if (elementCharPosition >= 0)
elementType = ResolveType(fullName.Substring(0, elementCharPosition));
return elementType;
}
public override int GetArrayRank()
{
if (!IsArray)
throw new ArgumentException(TypeSystemSR.GetString("Error_TypeIsNotArray"));
int position = Name.LastIndexOf('[');
int rank = 1;
while (Name[position] != ']')
{
if (Name[position] == ',')
rank++;
position++;
}
return rank;
}
public override bool IsAssignableFrom(Type c)
{
return TypeProvider.IsAssignable(this, c);
}
public override bool IsSubclassOf(Type c)
{
if (c == null)
return false;
return TypeProvider.IsSubclassOf(this, c);
}
public override Type MakeArrayType()
{
return this.typeProvider.GetType(String.Format(CultureInfo.InvariantCulture, "{0}[]", this.FullName));
}
#endregion
#region Helpers
private void VerifyGetMemberArguments(string name, BindingFlags bindingAttr)
{
if (name == null)
throw new ArgumentNullException("name");
VerifyGetMemberArguments(bindingAttr);
}
private void VerifyGetMemberArguments(BindingFlags bindingAttr)
{
// We only support public based constructors on DesignTime type
BindingFlags supported = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.FlattenHierarchy | BindingFlags.Instance | BindingFlags.DeclaredOnly | BindingFlags.IgnoreCase;
if ((bindingAttr & ~supported) != 0)
throw new ArgumentException(TypeSystemSR.GetString("Error_GetMemberBindingOptions"));
}
internal Type ResolveType(string name)
{
Type type = null;
//first assume full name was provided
type = typeProvider.GetType(name);
if (type == null && !string.IsNullOrEmpty(Namespace))
// prefixing the namespace
type = typeProvider.GetType(Namespace + "." + name);
// maybe it is nested type on the current type
if (type == null)
type = typeProvider.GetType(fullName + "+" + name);
// prefixing imported namespaces
if ((type == null) && (this.codeNamespaceImports != null))
{
foreach (CodeNamespaceImport codeNamespaceImport in this.codeNamespaceImports)
{
type = typeProvider.GetType(codeNamespaceImport.Namespace + "." + name);
if (type != null)
break;
}
}
// maybe it is a fullname of a nested class
if (type == null)
{
string nestedName = name;
int indexOfFirstDot = name.IndexOf('.');
int indexOfLastDot = -1;
while (((indexOfLastDot = nestedName.LastIndexOf('.')) != indexOfFirstDot) && (type == null))
{
nestedName = nestedName.Substring(0, indexOfLastDot) + "+" + nestedName.Substring(indexOfLastDot + 1);
type = typeProvider.GetType(nestedName);
}
}
//
return type;
}
private bool FilterMember(MemberInfo memberInfo, BindingFlags bindingFlags)
{
bool isPublic = false;
bool isStatic = false;
if (this.IsInterface)
{
isPublic = true;
isStatic = false;
}
else if (memberInfo is MethodBase)
{
isPublic = (memberInfo as MethodBase).IsPublic;
isStatic = (memberInfo as MethodBase).IsStatic;
}
else if (memberInfo is DesignTimeEventInfo)
{
isPublic = (memberInfo as DesignTimeEventInfo).IsPublic;
isStatic = (memberInfo as DesignTimeEventInfo).IsStatic;
}
else if (memberInfo is FieldInfo)
{
isPublic = (memberInfo as FieldInfo).IsPublic;
isStatic = (memberInfo as FieldInfo).IsStatic;
}
else if (memberInfo is PropertyInfo)
{
// Property public\static attributes can be fetched using the accessors
PropertyInfo propertyInfo = memberInfo as PropertyInfo;
MethodInfo accessorMethod = null;
if (propertyInfo.CanRead)
accessorMethod = propertyInfo.GetGetMethod(true);
else
accessorMethod = propertyInfo.GetSetMethod(true);
if (accessorMethod != null)
{
isPublic = accessorMethod.IsPublic;
isStatic = accessorMethod.IsStatic;
}
}
else if (memberInfo is Type)
{
isPublic = (memberInfo as Type).IsPublic || (memberInfo as Type).IsNestedPublic;
// No static check.
return ((((isPublic) && ((bindingFlags & BindingFlags.Public) != 0)) || ((!isPublic) && ((bindingFlags & BindingFlags.NonPublic) != 0))));
}
return ((((isPublic) && ((bindingFlags & BindingFlags.Public) != 0)) || ((!isPublic) && ((bindingFlags & BindingFlags.NonPublic) != 0))) && (((isStatic) && ((bindingFlags & BindingFlags.Static) != 0)) || ((!isStatic) && ((bindingFlags & BindingFlags.Instance) != 0))));
}
// generic method that implements all GetXXXs methods
private T[] GetMembersHelper(BindingFlags bindingAttr, ref T[] members, bool searchBase)
where T : MemberInfo
{
// verify arguments
VerifyGetMemberArguments(bindingAttr);
EnsureMembers(typeof(T));
Dictionary membersDictionary = new Dictionary();
// get local properties
foreach (T memberInfo in members)
{
MemberSignature memberSignature = new MemberSignature(memberInfo);
if ((FilterMember(memberInfo, bindingAttr)) && (!membersDictionary.ContainsKey(memberSignature)))
membersDictionary.Add(new MemberSignature(memberInfo), memberInfo);
}
if (searchBase && (bindingAttr & BindingFlags.DeclaredOnly) == 0)
{
// FlattenHierarchy is required to return static members from base classes.
if ((bindingAttr & BindingFlags.FlattenHierarchy) == 0)
bindingAttr &= ~BindingFlags.Static;
Type baseType = BaseType;
if (baseType != null)
{
T[] baseMembers = GetBaseMembers(typeof(T), baseType, bindingAttr) as T[];
foreach (T memberInfo in baseMembers)
{
// We should not return private members from base classes. Note: Generics requires us to use "as".
if ((memberInfo is FieldInfo && (memberInfo as FieldInfo).IsPrivate) || (memberInfo is MethodBase && (memberInfo as MethodBase).IsPrivate) || (memberInfo is Type && (memberInfo as Type).IsNestedPrivate))
continue;
// verify a member with this signature was not already created
MemberSignature memberSignature = new MemberSignature(memberInfo);
if (!membersDictionary.ContainsKey(memberSignature))
membersDictionary.Add(memberSignature, memberInfo);
}
}
}
List memberCollection = new List(membersDictionary.Values);
return memberCollection.ToArray();
}
private MemberInfo[] GetBaseMembers(Type type, Type baseType, BindingFlags bindingAttr)
{
MemberInfo[] members = null;
if (type == typeof(PropertyInfo))
members = baseType.GetProperties(bindingAttr);
else if (type == typeof(EventInfo))
members = baseType.GetEvents(bindingAttr);
else if (type == typeof(ConstructorInfo))
members = baseType.GetConstructors(bindingAttr);
else if (type == typeof(MethodInfo))
members = baseType.GetMethods(bindingAttr);
else if (type == typeof(FieldInfo))
members = baseType.GetFields(bindingAttr);
else if (type == typeof(Type))
members = baseType.GetNestedTypes(bindingAttr);
return members;
}
private T[] GetMembersHelper(BindingFlags bindingAttr, MemberSignature memberSignature, ref T[] members)
where T : MemberInfo
{
List memberCandidates = new List();
foreach (T memberInfo in this.GetMembersHelper(bindingAttr, ref members, true))
{
MemberSignature candididateMemberSignature = new MemberSignature(memberInfo);
if (candididateMemberSignature.FilterSignature(memberSignature))
memberCandidates.Add(memberInfo);
}
return memberCandidates.ToArray();
}
// generic method that implements all GetXXX methods
private T GetMemberHelper(BindingFlags bindingAttr, MemberSignature memberSignature, ref T[] members)
where T : MemberInfo
{
// verify arguments
VerifyGetMemberArguments(bindingAttr);
EnsureMembers(typeof(T));
// search the local type
foreach (T memberInfo in members)
{
MemberSignature candididateMemberSignature = new MemberSignature(memberInfo);
if (candididateMemberSignature.FilterSignature(memberSignature) && FilterMember(memberInfo, bindingAttr))
return memberInfo;
}
if ((bindingAttr & BindingFlags.DeclaredOnly) == 0)
{
// serach base types
// FlattenHierarchy is required to return static members from base classes.
if ((bindingAttr & BindingFlags.FlattenHierarchy) == 0)
bindingAttr &= ~BindingFlags.Static;
Type baseType = BaseType;
if (baseType != null)
{
T memberInfo = (T)GetBaseMember(typeof(T), baseType, bindingAttr, memberSignature);
if (memberInfo != null)
{
// We should not return private members from base classes. Note: Generics requires us to use "as".
if ((memberInfo is FieldInfo && (memberInfo as FieldInfo).IsPrivate) || (memberInfo is MethodBase && (memberInfo as MethodBase).IsPrivate) || (memberInfo is Type && (memberInfo as Type).IsNestedPrivate))
return null;
return memberInfo;
}
}
}
return null;
}
internal MemberInfo GetBaseMember(Type type, Type baseType, BindingFlags bindingAttr, MemberSignature memberSignature)
{
if (memberSignature == null)
throw new ArgumentNullException("memberSignature");
if (baseType == null)
return null;
MemberInfo member = null;
if (typeof(PropertyInfo).IsAssignableFrom(type))
{
if (memberSignature.Parameters != null)
member = baseType.GetProperty(memberSignature.Name, bindingAttr, null, memberSignature.ReturnType, memberSignature.Parameters, null);
else
member = baseType.GetProperty(memberSignature.Name, bindingAttr);
}
else if (typeof(EventInfo).IsAssignableFrom(type))
member = baseType.GetEvent(memberSignature.Name, bindingAttr);
else if (typeof(ConstructorInfo).IsAssignableFrom(type))
member = baseType.GetConstructor(bindingAttr, null, memberSignature.Parameters, null);
else if (typeof(MethodInfo).IsAssignableFrom(type))
{
if (memberSignature.Parameters != null)
member = baseType.GetMethod(memberSignature.Name, bindingAttr, null, memberSignature.Parameters, null);
else
member = baseType.GetMethod(memberSignature.Name, bindingAttr);
}
else if (typeof(FieldInfo).IsAssignableFrom(type))
member = baseType.GetField(memberSignature.Name, bindingAttr);
else if (typeof(Type).IsAssignableFrom(type))
member = baseType.GetNestedType(memberSignature.Name, bindingAttr);
return member;
}
internal static string GetTypeNameFromCodeTypeReference(CodeTypeReference codeTypeReference, DesignTimeType declaringType)
{
StringBuilder typeName = new StringBuilder();
if (codeTypeReference.ArrayRank == 0)
{
Type resolvedType = null;
if (declaringType != null)
resolvedType = declaringType.ResolveType(codeTypeReference.BaseType);
if (resolvedType != null)
typeName.Append(resolvedType.FullName);
else
typeName.Append(codeTypeReference.BaseType);
if ((codeTypeReference.TypeArguments != null) && (codeTypeReference.TypeArguments.Count > 0))
{
if (codeTypeReference.BaseType.IndexOf('`') == -1)
typeName.Append(string.Format(CultureInfo.InvariantCulture, "`{0}", new object[] { codeTypeReference.TypeArguments.Count }));
typeName.Append("[");
foreach (CodeTypeReference typeArgument in codeTypeReference.TypeArguments)
{
typeName.Append("[");
typeName.Append(GetTypeNameFromCodeTypeReference(typeArgument, declaringType));
typeName.Append("],");
}
typeName.Length = typeName.Length - 1; //remove the last comma
typeName.Append("]");
}
}
else
{
typeName.Append(GetTypeNameFromCodeTypeReference(codeTypeReference.ArrayElementType, declaringType));
// Build array decoration (ByRefs and Pointers are part of the the BaseType)
typeName.Append("[");
for (int loop = 0; loop < codeTypeReference.ArrayRank - 1; loop++)
typeName.Append(',');
typeName.Append("]");
}
return typeName.ToString();
}
#endregion
#region implementation overrides
protected override ConstructorInfo GetConstructorImpl(BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
{
return GetMemberHelper(bindingAttr, new MemberSignature(null, types, null), ref this.constructors);
}
protected override MethodInfo GetMethodImpl(string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
{
return GetMemberHelper(bindingAttr, new MemberSignature(name, types, null), ref this.methods);
}
protected override PropertyInfo GetPropertyImpl(String name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers)
{
return GetMemberHelper(bindingAttr, new MemberSignature(name, types, null), ref this.properties);
}
protected override TypeAttributes GetAttributeFlagsImpl()
{
return typeAttributes;
}
protected override bool HasElementTypeImpl()
{
int elementCharPosition = Name.LastIndexOfAny(elementDecorators);
return (elementCharPosition != -1);
}
protected override bool IsArrayImpl()
{
int elementCharPosition = Name.LastIndexOfAny(elementDecorators);
if ((elementCharPosition != -1) && (Name[elementCharPosition] == '['))
return true;
return false;
}
protected override bool IsByRefImpl()
{
return (this.fullName[this.fullName.Length - 1] == '&');
}
public override Type MakeByRefType()
{
return this.ResolveType(this.fullName + "&");
}
protected override bool IsCOMObjectImpl()
{
//
return false;
}
protected override bool IsContextfulImpl()
{
//
return false;
}
protected override bool IsMarshalByRefImpl()
{
//
return false;
}
protected override bool IsPointerImpl()
{
return (this.fullName[this.fullName.Length - 1] == '*');
}
protected override bool IsPrimitiveImpl()
{
return false;
}
#endregion
#region Loaders
private void EnsureMembers(Type type)
{
if ((type == typeof(PropertyInfo)) && (this.properties == null))
this.properties = GetCodeDomMembers().ToArray();
else if ((type == typeof(FieldInfo)) && (this.fields == null))
this.fields = GetCodeDomMembers().ToArray();
else if ((type == typeof(ConstructorInfo)) && (this.constructors == null))
this.constructors = GetCodeDomConstructors().ToArray();
else if ((type == typeof(EventInfo)) && (this.events == null))
this.events = GetCodeDomMembers().ToArray();
else if ((type == typeof(MethodInfo)) && (this.methods == null))
{
EnsureMembers(typeof(PropertyInfo));
EnsureMembers(typeof(EventInfo));
List methodCollection = GetCodeDomMembers();
MethodInfo methodInfo = null;
foreach (PropertyInfo propertyInfo in this.properties)
{
if ((methodInfo = propertyInfo.GetGetMethod()) != null)
methodCollection.Add(methodInfo);
if ((methodInfo = propertyInfo.GetSetMethod()) != null)
methodCollection.Add(methodInfo);
}
foreach (EventInfo eventInfo in this.events)
{
if ((methodInfo = eventInfo.GetAddMethod()) != null)
methodCollection.Add(methodInfo);
if ((methodInfo = eventInfo.GetRemoveMethod()) != null)
methodCollection.Add(methodInfo);
if ((methodInfo = eventInfo.GetRaiseMethod()) != null)
methodCollection.Add(methodInfo);
}
this.methods = methodCollection.ToArray();
}
}
private List GetCodeDomMembers()
where T : MemberInfo
{
List memberCollection = new List();
if (this.codeDomTypes != null)
{
foreach (CodeTypeDeclaration codeDomType in codeDomTypes)
{
//!!! Work around for supporting delegates
if (codeDomType is CodeTypeDelegate && typeof(T) == typeof(MethodInfo))
{
CodeMemberMethod invokeMethod = new CodeMemberMethod();
invokeMethod.Name = "Invoke";
invokeMethod.Attributes = MemberAttributes.Public;
foreach (CodeParameterDeclarationExpression parameterDecl in ((CodeTypeDelegate)codeDomType).Parameters)
invokeMethod.Parameters.Add(parameterDecl);
invokeMethod.ReturnType = ((CodeTypeDelegate)codeDomType).ReturnType;
memberCollection.Add((T)CreateMemberInfo(typeof(MethodInfo), invokeMethod));
}
foreach (CodeTypeMember member in codeDomType.Members)
{
T memberInfo = (T)CreateMemberInfo(typeof(T), member);
if (memberInfo != null)
memberCollection.Add(memberInfo);
}
}
}
return memberCollection;
}
// CFx bug 461
// The code dom being generated by VsCodeDomParser.cs does not
// add default constructors for classes unless they
// exist in the source code. Unfortunately, this cannot be easily
// fixed in the CodeDomParser because the code dom returned by that
// class is expected to kept in [....] with the real source code.
// So we cannot "fabricate" a default constructor there without
// breaking lots of assumptions elsewhere in the code.
// Instead, we add a default constructor here, if necessary.
private List GetCodeDomConstructors()
{
List constructors = GetCodeDomMembers();
// we only add a default constructor if
// this is a struct or is a non-static\non-abstract class and it doesn't have any
// constructors
// * Note - static classes are represented as Abstract and Sealed
// abstract classes are represented as Abstract; thus we will check just for that flag
if (this.IsValueType || ((constructors.Count == 0) && !this.IsAbstract))
{
CodeConstructor codeConstructor = new CodeConstructor();
codeConstructor.Attributes = MemberAttributes.Public;
ConstructorInfo constructorInfo = new DesignTimeConstructorInfo(this, codeConstructor);
constructors.Add(constructorInfo);
}
return constructors;
}
private void LoadNestedTypes(CodeTypeDeclaration codeDomType)
{
List localMembers = new List();
foreach (Type t in this.nestedTypes)
localMembers.Add(t);
foreach (CodeTypeMember member in codeDomType.Members)
{
if (!(member is CodeTypeDeclaration))
continue;
CodeTypeDeclaration codeType = member as CodeTypeDeclaration;
Type partialType = null;
foreach (Type nestedType in localMembers)
{
if (nestedType.Name.Equals(Helper.EnsureTypeName(codeType.Name)))
{
partialType = nestedType;
break;
}
}
if (partialType == null)
{
partialType = new DesignTimeType(this, codeType.Name, this.codeNamespaceImports, this.fullName, this.typeProvider);
localMembers.Add(partialType);
((TypeProvider)this.typeProvider).AddType(partialType);
}
((DesignTimeType)partialType).AddCodeTypeDeclaration(codeType);
}
this.nestedTypes = localMembers.ToArray();
}
private MemberInfo CreateMemberInfo(Type memberInfoType, CodeTypeMember member)
{
MemberInfo memberInfo = null;
if ((memberInfoType == typeof(PropertyInfo)) && (member is CodeMemberProperty))
memberInfo = new DesignTimePropertyInfo(this, member as CodeMemberProperty);
else if ((memberInfoType == typeof(EventInfo)) && (member is CodeMemberEvent))
memberInfo = new DesignTimeEventInfo(this, member as CodeMemberEvent);
else if ((memberInfoType == typeof(FieldInfo)) && (member is CodeMemberField))
memberInfo = new DesignTimeFieldInfo(this, member as CodeMemberField);
else if ((memberInfoType == typeof(ConstructorInfo)) && ((member is CodeConstructor) || (member is CodeTypeConstructor)))
memberInfo = new DesignTimeConstructorInfo(this, member as CodeMemberMethod);
else if ((memberInfoType == typeof(MethodInfo)) && (member.GetType() == typeof(CodeMemberMethod)))
memberInfo = new DesignTimeMethodInfo(this, member as CodeMemberMethod);
return memberInfo;
}
#endregion
#region MemberSignature class
// Uniquely identify a memberInfo
internal class MemberSignature
{
#region Members and Constructors
private string name = null;
private Type[] parameters = null;
private Type returnType = null;
readonly int hashCode;
internal MemberSignature(MemberInfo memberInfo)
{
this.name = memberInfo.Name;
if (memberInfo is MethodBase)
{
List typeCollection = new List();
// method/constructor arguments
foreach (ParameterInfo parameterInfo in (memberInfo as MethodBase).GetParameters())
typeCollection.Add(parameterInfo.ParameterType);
this.parameters = typeCollection.ToArray();
if (memberInfo is MethodInfo)
this.returnType = ((MethodInfo)memberInfo).ReturnType;
}
else if (memberInfo is PropertyInfo)
{
PropertyInfo propertyInfo = memberInfo as PropertyInfo;
List typeCollection = new List();
// indexer arguments
foreach (ParameterInfo parameterInfo in propertyInfo.GetIndexParameters())
typeCollection.Add(parameterInfo.ParameterType);
this.parameters = typeCollection.ToArray();
// return type for property
this.returnType = propertyInfo.PropertyType;
}
this.hashCode = this.GetHashCodeImpl();
}
internal MemberSignature(string name, Type[] parameters, Type returnType)
{
this.name = name;
this.returnType = returnType;
if (parameters != null)
this.parameters = (Type[])parameters.Clone();
this.hashCode = this.GetHashCodeImpl();
}
#endregion
#region properties
public string Name
{
get
{
return name;
}
}
public Type ReturnType
{
get
{
return returnType;
}
}
public Type[] Parameters
{
get
{
if (parameters == null)
return null;
return (Type[])parameters.Clone();
}
}
#endregion
#region Comparison
public override bool Equals(object obj)
{
MemberSignature memberSignature = obj as MemberSignature;
if ((memberSignature == null) || (this.name != memberSignature.name) || (this.returnType != memberSignature.returnType))
return false;
if ((this.Parameters == null) && (memberSignature.Parameters != null) ||
(this.Parameters != null) && (memberSignature.Parameters == null))
return false;
if (this.Parameters != null)
{
if (this.parameters.Length != memberSignature.parameters.Length)
return false;
for (int loop = 0; loop < this.parameters.Length; loop++)
{
if (this.parameters[loop] != memberSignature.parameters[loop])
return false;
}
}
return true;
}
// this method will filter using a mask signautre. only non-null mask members are used to filter
// the signature, the rest are ignored
public bool FilterSignature(MemberSignature maskSignature)
{
if (maskSignature == null)
throw new ArgumentNullException("maskSignature");
if (((maskSignature.Name != null) && (this.name != maskSignature.name)) ||
((maskSignature.returnType != null) && (this.returnType != maskSignature.returnType)))
return false;
if (maskSignature.parameters != null)
{
if (this.parameters == null)
return false;
if (this.parameters.Length != maskSignature.parameters.Length)
return false;
for (int loop = 0; loop < this.parameters.Length; loop++)
{
if (!this.parameters[loop].Equals(maskSignature.parameters[loop]))
return false;
}
}
return true;
}
public override string ToString()
{
string str = string.Empty;
if (returnType != null)
str = returnType.FullName + " ";
if (name != null && name.Length != 0)
str += name;
if (parameters != null && parameters.Length > 0)
{
str += "(";
for (int i = 0; i < parameters.Length; i++)
{
if (i > 0)
str += ", ";
if (parameters[i] != null)
{
if (parameters[i].GetType() != null && parameters[i].GetType().IsByRef)
str += "ref ";
str += parameters[i].FullName;
}
}
str += ")";
}
return str;
}
public override int GetHashCode()
{
return this.hashCode;
}
int GetHashCodeImpl()
{
int hashCode = 0;
if (this.name != null)
{
hashCode = name.GetHashCode();
}
if (this.parameters != null && this.parameters.Length > 0)
{
for (int i = 0; i < this.parameters.Length; i++)
{
if (this.parameters[i] != null)
{
hashCode ^= this.parameters[i].GetHashCode();
}
}
}
if (this.returnType != null)
{
hashCode ^= this.returnType.GetHashCode();
}
return hashCode;
}
#endregion
}
#endregion
#region ICloneable Members
public object Clone()
{
return this;
}
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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