niko
209 lines
9.6 KiB
C#
209 lines
9.6 KiB
C#
using System;
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using System.Collections;
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using System.Reflection;
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namespace System.ComponentModel.Design.Serialization
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{
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/// <summary>Provides the information necessary to create an instance of an object. This class cannot be inherited.</summary>
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// Token: 0x0200003C RID: 60
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public sealed class InstanceDescriptor
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{
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/// <summary>Initializes a new instance of the <see cref="T:System.ComponentModel.Design.Serialization.InstanceDescriptor" /> class using the specified member information and arguments.</summary>
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/// <param name="member">The member information for the descriptor. This can be a <see cref="T:System.Reflection.MethodInfo" />, <see cref="T:System.Reflection.ConstructorInfo" />, <see cref="T:System.Reflection.FieldInfo" />, or <see cref="T:System.Reflection.PropertyInfo" />. If this is a <see cref="T:System.Reflection.MethodInfo" />, <see cref="T:System.Reflection.FieldInfo" />, or <see cref="T:System.Reflection.PropertyInfo" />, it must represent a static member. </param>
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/// <param name="arguments">The collection of arguments to pass to the member. This parameter can be null or an empty collection if there are no arguments. The collection can also consist of other instances of <see cref="T:System.ComponentModel.Design.Serialization.InstanceDescriptor" />. </param>
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/// <exception cref="T:System.ArgumentException">
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/// <paramref name="member" /> is of type <see cref="T:System.Reflection.MethodInfo" />, <see cref="T:System.Reflection.FieldInfo" />, or <see cref="T:System.Reflection.PropertyInfo" />, and it does not represent a static member.<paramref name="member" /> is of type <see cref="T:System.Reflection.PropertyInfo" /> and is not readable.<paramref name="member" /> is of type <see cref="T:System.Reflection.MethodInfo" /> or <see cref="T:System.Reflection.ConstructorInfo" />, and the number of arguments in <paramref name="arguments" /> does not match the signature of <paramref name="member." /><paramref name="member" /> is of type <see cref="T:System.Reflection.ConstructorInfo" /> and represents a static member.<paramref name="member" /> is of type <see cref="T:System.Reflection.FieldInfo" />, and the number of arguments in <paramref name="arguments" /> is not zero. </exception>
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// Token: 0x06000294 RID: 660 RVA: 0x000092DC File Offset: 0x000074DC
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public InstanceDescriptor(MemberInfo member, ICollection arguments)
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: this(member, arguments, true)
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{
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}
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/// <summary>Initializes a new instance of the <see cref="T:System.ComponentModel.Design.Serialization.InstanceDescriptor" /> class using the specified member information, arguments, and value indicating whether the specified information completely describes the instance.</summary>
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/// <param name="member">The member information for the descriptor. This can be a <see cref="T:System.Reflection.MethodInfo" />, <see cref="T:System.Reflection.ConstructorInfo" />, <see cref="T:System.Reflection.FieldInfo" />, or <see cref="T:System.Reflection.PropertyInfo" />. If this is a <see cref="T:System.Reflection.MethodInfo" />, <see cref="T:System.Reflection.FieldInfo" />, or <see cref="T:System.Reflection.PropertyInfo" />, it must represent a static member. </param>
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/// <param name="arguments">The collection of arguments to pass to the member. This parameter can be null or an empty collection if there are no arguments. The collection can also consist of other instances of <see cref="T:System.ComponentModel.Design.Serialization.InstanceDescriptor" />. </param>
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/// <param name="isComplete">true if the specified information completely describes the instance; otherwise, false. </param>
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/// <exception cref="T:System.ArgumentException">
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/// <paramref name="member" /> is of type <see cref="T:System.Reflection.MethodInfo" />, <see cref="T:System.Reflection.FieldInfo" />, or <see cref="T:System.Reflection.PropertyInfo" />, and it does not represent a static member<paramref name="member" /> is of type <see cref="T:System.Reflection.PropertyInfo" /> and is not readable.<paramref name="member" /> is of type <see cref="T:System.Reflection.MethodInfo" /> or <see cref="T:System.Reflection.ConstructorInfo" /> and the number of arguments in <paramref name="arguments" /> does not match the signature of <paramref name="member" />.<paramref name="member" /> is of type <see cref="T:System.Reflection.ConstructorInfo" /> and represents a static member<paramref name="member" /> is of type <see cref="T:System.Reflection.FieldInfo" />, and the number of arguments in <paramref name="arguments" /> is not zero.</exception>
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// Token: 0x06000295 RID: 661 RVA: 0x000092E8 File Offset: 0x000074E8
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public InstanceDescriptor(MemberInfo member, ICollection arguments, bool isComplete)
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{
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this.isComplete = isComplete;
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this.ValidateMember(member, arguments);
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this.member = member;
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this.arguments = arguments;
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}
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// Token: 0x06000296 RID: 662 RVA: 0x00009310 File Offset: 0x00007510
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private void ValidateMember(MemberInfo member, ICollection arguments)
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{
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if (member == null)
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{
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return;
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}
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MemberTypes memberType = member.MemberType;
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switch (memberType)
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{
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case MemberTypes.Constructor:
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{
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ConstructorInfo constructorInfo = (ConstructorInfo)member;
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if (arguments == null && constructorInfo.GetParameters().Length != 0)
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{
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throw new ArgumentException("Invalid number of arguments for this constructor");
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}
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if (arguments.Count != constructorInfo.GetParameters().Length)
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{
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throw new ArgumentException("Invalid number of arguments for this constructor");
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}
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break;
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}
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default:
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if (memberType != MemberTypes.Method)
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{
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if (memberType == MemberTypes.Property)
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{
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PropertyInfo propertyInfo = (PropertyInfo)member;
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if (!propertyInfo.CanRead)
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{
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throw new ArgumentException("Parameter must be readable");
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}
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MethodInfo getMethod = propertyInfo.GetGetMethod();
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if (!getMethod.IsStatic)
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{
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throw new ArgumentException("Parameter must be static");
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}
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}
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}
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else
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{
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MethodInfo methodInfo = (MethodInfo)member;
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if (!methodInfo.IsStatic)
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{
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throw new ArgumentException("InstanceDescriptor only describes static (VB.Net: shared) members", "member");
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}
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if (arguments == null && methodInfo.GetParameters().Length != 0)
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{
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throw new ArgumentException("Invalid number of arguments for this method", "arguments");
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}
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if (arguments.Count != methodInfo.GetParameters().Length)
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{
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throw new ArgumentException("Invalid number of arguments for this method");
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}
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}
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break;
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case MemberTypes.Field:
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{
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FieldInfo fieldInfo = (FieldInfo)member;
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if (!fieldInfo.IsStatic)
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{
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throw new ArgumentException("Parameter must be static");
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}
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if (arguments != null && arguments.Count != 0)
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{
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throw new ArgumentException("Field members do not take any arguments");
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}
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break;
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}
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}
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}
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/// <summary>Gets the collection of arguments that can be used to reconstruct an instance of the object that this instance descriptor represents.</summary>
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/// <returns>An <see cref="T:System.Collections.ICollection" /> of arguments that can be used to create the object.</returns>
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// Token: 0x170000B9 RID: 185
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// (get) Token: 0x06000297 RID: 663 RVA: 0x0000948C File Offset: 0x0000768C
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public ICollection Arguments
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{
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get
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{
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if (this.arguments == null)
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{
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return new object[0];
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}
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return this.arguments;
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}
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}
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/// <summary>Gets a value indicating whether the contents of this <see cref="T:System.ComponentModel.Design.Serialization.InstanceDescriptor" /> completely identify the instance.</summary>
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/// <returns>true if the instance is completely described; otherwise, false.</returns>
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// Token: 0x170000BA RID: 186
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// (get) Token: 0x06000298 RID: 664 RVA: 0x000094A8 File Offset: 0x000076A8
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public bool IsComplete
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{
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get
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{
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return this.isComplete;
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}
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}
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/// <summary>Gets the member information that describes the instance this descriptor is associated with.</summary>
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/// <returns>A <see cref="T:System.Reflection.MemberInfo" /> that describes the instance that this object is associated with.</returns>
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// Token: 0x170000BB RID: 187
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// (get) Token: 0x06000299 RID: 665 RVA: 0x000094B0 File Offset: 0x000076B0
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public MemberInfo MemberInfo
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{
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get
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{
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return this.member;
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}
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}
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/// <summary>Invokes this instance descriptor and returns the object the descriptor describes.</summary>
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/// <returns>The object this instance descriptor describes.</returns>
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// Token: 0x0600029A RID: 666 RVA: 0x000094B8 File Offset: 0x000076B8
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public object Invoke()
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{
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if (this.member == null)
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{
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return null;
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}
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object[] array;
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if (this.arguments == null)
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{
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array = new object[0];
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}
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else
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{
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array = new object[this.arguments.Count];
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this.arguments.CopyTo(array, 0);
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}
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MemberTypes memberType = this.member.MemberType;
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switch (memberType)
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{
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case MemberTypes.Constructor:
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{
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ConstructorInfo constructorInfo = (ConstructorInfo)this.member;
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return constructorInfo.Invoke(array);
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}
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default:
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{
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if (memberType == MemberTypes.Method)
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{
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MethodInfo methodInfo = (MethodInfo)this.member;
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return methodInfo.Invoke(null, array);
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}
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if (memberType != MemberTypes.Property)
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{
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return null;
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}
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PropertyInfo propertyInfo = (PropertyInfo)this.member;
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return propertyInfo.GetValue(null, array);
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}
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case MemberTypes.Field:
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{
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FieldInfo fieldInfo = (FieldInfo)this.member;
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return fieldInfo.GetValue(null);
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}
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}
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}
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// Token: 0x040000B5 RID: 181
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private MemberInfo member;
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// Token: 0x040000B6 RID: 182
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private ICollection arguments;
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// Token: 0x040000B7 RID: 183
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private bool isComplete;
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}
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}
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