Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx35 / System.WorkflowServices / System / Workflow / Activities / ContractType.cs / 1305376 / ContractType.cs
//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------
#pragma warning disable 1634, 1691
namespace System.Workflow.Activities
{
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Reflection;
using System.ServiceModel;
internal sealed class ContractType : Type, ICloneable
{
private static readonly char[] elementDecorators = new char[] { '[', '*', '&' };
private static readonly char[] nameSeparators = new char[] { '.', '+' };
private Attribute[] attributes = null;
private ConstructorInfo[] constructors = null;
private EventInfo[] events = null;
private FieldInfo[] fields = null;
private string fullName;
private Guid guid = Guid.Empty;
private MethodInfo[] methods = null;
private string name;
private Type[] nestedTypes = Type.EmptyTypes;
private PropertyInfo[] properties = null;
private TypeAttributes typeAttributes;
internal ContractType(string name)
{
if (string.IsNullOrEmpty(name))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(
"name", SR2.GetString(SR2.Error_ArgumentValueNullOrEmptyString));
}
this.fullName = name;
this.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 = this.name.Substring(0, idx).LastIndexOfAny(nameSeparators);
}
else
{
idx = this.name.LastIndexOfAny(nameSeparators);
}
if (idx != -1)
{
this.name = this.fullName.Substring(idx + 1);
}
this.typeAttributes = TypeAttributes.Interface |
TypeAttributes.Sealed |
TypeAttributes.Public |
TypeAttributes.Abstract;
this.attributes = new Attribute[] { new ServiceContractAttribute() };
this.methods = new MethodInfo[0];
}
public override Assembly Assembly
{
get
{
return null;
}
}
public override string AssemblyQualifiedName
{
get
{
return this.FullName;
}
}
public override Type BaseType
{
get
{
return null;
}
}
public override Type DeclaringType
{
get
{
return null;
}
}
public override string FullName
{
get
{
return this.fullName;
}
}
public override Guid GUID
{
get
{
if (this.guid == Guid.Empty)
{
this.guid = Guid.NewGuid();
}
return this.guid;
}
}
public override Module Module
{
get
{
return null;
}
}
public override string Name
{
get
{
return this.name;
}
}
public override string Namespace
{
get
{
if (this.fullName == Name)
{
return string.Empty;
}
return this.fullName.Substring(0, this.fullName.Length - Name.Length - 1);
}
}
public override RuntimeTypeHandle TypeHandle
{
get
{
#pragma warning suppress 56503
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new NotImplementedException(SR2.GetString(SR2.Error_RuntimeNotSupported)));
}
}
public override Type UnderlyingSystemType
{
get
{
return this;
}
}
public object Clone()
{
return this;
}
public override bool Equals(object obj)
{
if (obj == null)
{
return false;
}
ContractType contract = obj as ContractType;
if (contract == null)
{
return false;
}
if (string.Compare(this.AssemblyQualifiedName, contract.AssemblyQualifiedName, StringComparison.Ordinal) != 0 ||
this.methods.Length != contract.methods.Length)
{
return false;
}
foreach (MethodInfo methodInfo in this.methods)
{
if (this.GetMemberHelper(BindingFlags.Public | BindingFlags.Instance,
new MemberSignature(methodInfo),
ref contract.methods) == null)
{
return false;
}
}
return true;
}
public override int GetArrayRank()
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(
SR2.GetString(SR2.Error_CurrentTypeNotAnArray));
}
public override ConstructorInfo[] GetConstructors(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.constructors, false);
}
public override object[] GetCustomAttributes(bool inherit)
{
return GetCustomAttributes(typeof(object), inherit);
}
public override object[] GetCustomAttributes(Type attributeType, bool inherit)
{
if (attributeType == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("attributeType");
}
return ServiceOperationHelpers.GetCustomAttributes(attributeType, this.attributes);
}
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 GetElementType()
{
return null;
}
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 int GetHashCode()
{
return this.name.GetHashCode();
}
public override Type GetInterface(string name, bool ignoreCase)
{
if (string.IsNullOrEmpty(name))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(
"name", SR2.GetString(SR2.Error_ArgumentValueNullOrEmptyString));
}
if (string.Compare(this.name, name, StringComparison.Ordinal) == 0)
{
return this;
}
return null;
}
public override Type[] GetInterfaces()
{
return Type.EmptyTypes;
}
public override MemberInfo[] GetMember(string name, MemberTypes type, BindingFlags 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)
{
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 MethodInfo[] GetMethods(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.methods, true);
}
public override Type GetNestedType(string name, BindingFlags bindingAttr)
{
return null;
}
public override Type[] GetNestedTypes(BindingFlags bindingAttr)
{
return Type.EmptyTypes;
}
public override PropertyInfo[] GetProperties(BindingFlags bindingAttr)
{
return GetMembersHelper(bindingAttr, ref this.properties, true);
}
public override object InvokeMember(string name, BindingFlags bindingFlags, Binder binder, object target, object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParams)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new NotImplementedException(SR2.GetString(SR2.Error_RuntimeNotSupported)));
}
public override bool IsAssignableFrom(Type type)
{
if (type == null)
{
return false;
}
if (!(type is ContractType))
{
return false;
}
return (this.Equals((Object) type));
}
public override bool IsDefined(Type attributeType, bool inherit)
{
if (attributeType == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("attributeType");
}
return ServiceOperationHelpers.IsDefined(attributeType, attributes);
}
public override bool IsSubclassOf(Type type)
{
return false;
}
public override Type MakeByRefType()
{
return this;
}
public override string ToString()
{
return this.FullName;
}
internal void AddMethod(ContractMethodInfo methodInfo)
{
if (methodInfo == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("methodInfo");
}
MemberSignature signature = new MemberSignature(methodInfo);
if (this.GetMemberHelper(BindingFlags.Public | BindingFlags.Instance,
signature,
ref this.methods) != null)
{
return;
}
else
{
List localMethods = new List();
if (this.methods != null)
{
localMethods.AddRange(this.methods);
}
localMethods.Add(methodInfo);
this.methods = new MethodInfo[localMethods.Count];
localMethods.CopyTo(this.methods);
}
}
protected override TypeAttributes GetAttributeFlagsImpl()
{
return typeAttributes;
}
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 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 false;
}
protected override bool IsCOMObjectImpl()
{
return false;
}
protected override bool IsContextfulImpl()
{
return false;
}
protected override bool IsMarshalByRefImpl()
{
return false;
}
protected override bool IsPointerImpl()
{
return (this.name[this.name.Length - 1] == '*');
}
protected override bool IsPrimitiveImpl()
{
return false;
}
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 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))));
}
//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;
//}
// generic method that implements all GetXXX methods
private T GetMemberHelper(BindingFlags bindingAttr, MemberSignature memberSignature, ref T[] members)
where T : MemberInfo
{
if (members != null)
{
// search the local type
foreach (T memberInfo in members)
{
MemberSignature candididateMemberSignature = new MemberSignature(memberInfo);
if (candididateMemberSignature.FilterSignature(memberSignature) && FilterMember(memberInfo, bindingAttr))
{
return memberInfo;
}
}
}
return null;
}
// generic method that implements all GetXXXs methods
private T[] GetMembersHelper(BindingFlags bindingAttr, ref T[] members, bool searchBase)
where T : MemberInfo
{
Dictionary membersDictionary = new Dictionary();
if (members != null)
{
// 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 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();
}
internal class MemberSignature
{
private string name = null;
private Type[] parameters = null;
private Type returnType = null;
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;
}
}
internal MemberSignature(string name, Type[] parameters, Type returnType)
{
this.name = name;
this.returnType = returnType;
if (parameters != null)
{
this.parameters = (Type[]) parameters.Clone();
}
}
public string Name
{
get
{
return name;
}
}
public Type[] Parameters
{
get
{
if (parameters == null)
{
return null;
}
return (Type[]) parameters.Clone();
}
}
public Type ReturnType
{
get
{
return returnType;
}
}
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 DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("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 int GetHashCode()
{
return ToString().GetHashCode();
}
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;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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