Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / DataMember.cs / 1305376 / DataMember.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace System.Runtime.Serialization { using System; using System.Collections.Generic; using System.Reflection; using System.Security; class DataMember { [Fx.Tag.SecurityNote(Critical = "Holds instance of CriticalHelper which keeps state that is cached statically for serialization." + " Static fields are marked SecurityCritical or readonly to prevent data from being modified or leaked to other components in appdomain.")] [SecurityCritical] CriticalHelper helper; [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.", Safe = "Doesn't leak anything.")] [SecuritySafeCritical] internal DataMember() { helper = new CriticalHelper(); } [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.", Safe = "Doesn't leak anything.")] [SecuritySafeCritical] internal DataMember(MemberInfo memberInfo) { helper = new CriticalHelper(memberInfo); } [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.", Safe = "Doesn't leak anything.")] [SecuritySafeCritical] internal DataMember(string name) { helper = new CriticalHelper(name); } [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.", Safe = "Doesn't leak anything.")] [SecuritySafeCritical] internal DataMember(DataContract memberTypeContract, string name, bool isNullable, bool isRequired, bool emitDefaultValue, int order) { helper = new CriticalHelper(memberTypeContract, name, isNullable, isRequired, emitDefaultValue, order); } internal MemberInfo MemberInfo { [SecuritySafeCritical] get { return helper.MemberInfo; } } internal string Name { [SecuritySafeCritical] get { return helper.Name; } [SecurityCritical] set { helper.Name = value; } } internal int Order { [SecuritySafeCritical] get { return helper.Order; } [SecurityCritical] set { helper.Order = value; } } internal bool IsRequired { [SecuritySafeCritical] get { return helper.IsRequired; } [SecurityCritical] set { helper.IsRequired = value; } } internal bool EmitDefaultValue { [SecuritySafeCritical] get { return helper.EmitDefaultValue; } [SecurityCritical] set { helper.EmitDefaultValue = value; } } internal bool IsNullable { [SecuritySafeCritical] get { return helper.IsNullable; } [SecurityCritical] set { helper.IsNullable = value; } } internal bool IsGetOnlyCollection { [SecuritySafeCritical] get { return helper.IsGetOnlyCollection; } [SecurityCritical] set { helper.IsGetOnlyCollection = value; } } internal Type MemberType { [SecuritySafeCritical] get { return helper.MemberType; } } internal DataContract MemberTypeContract { [SecuritySafeCritical] get { return helper.MemberTypeContract; } [SecurityCritical] set { helper.MemberTypeContract = value; } } internal bool HasConflictingNameAndType { [SecuritySafeCritical] get { return helper.HasConflictingNameAndType; } [SecurityCritical] set { helper.HasConflictingNameAndType = value; } } internal DataMember ConflictingMember { [SecuritySafeCritical] get { return helper.ConflictingMember; } [SecurityCritical] set { helper.ConflictingMember = value; } } [Fx.Tag.SecurityNote(Critical = "Critical.")] [SecurityCritical(SecurityCriticalScope.Everything)] class CriticalHelper { DataContract memberTypeContract; string name; int order; bool isRequired; bool emitDefaultValue; bool isNullable; bool isGetOnlyCollection = false; MemberInfo memberInfo; bool hasConflictingNameAndType; DataMember conflictingMember; internal CriticalHelper() { this.emitDefaultValue = Globals.DefaultEmitDefaultValue; } internal CriticalHelper(MemberInfo memberInfo) { this.emitDefaultValue = Globals.DefaultEmitDefaultValue; this.memberInfo = memberInfo; } internal CriticalHelper(string name) { this.Name = name; } internal CriticalHelper(DataContract memberTypeContract, string name, bool isNullable, bool isRequired, bool emitDefaultValue, int order) { this.MemberTypeContract = memberTypeContract; this.Name = name; this.IsNullable = isNullable; this.IsRequired = isRequired; this.EmitDefaultValue = emitDefaultValue; this.Order = order; } internal MemberInfo MemberInfo { get { return memberInfo; } } internal string Name { get { return name; } set { name = value; } } internal int Order { get { return order; } set { order = value; } } internal bool IsRequired { get { return isRequired; } set { isRequired = value; } } internal bool EmitDefaultValue { get { return emitDefaultValue; } set { emitDefaultValue = value; } } internal bool IsNullable { get { return isNullable; } set { isNullable = value; } } internal bool IsGetOnlyCollection { get { return isGetOnlyCollection; } set { isGetOnlyCollection = value; } } internal Type MemberType { get { FieldInfo field = MemberInfo as FieldInfo; if (field != null) return field.FieldType; return ((PropertyInfo)MemberInfo).PropertyType; } } internal DataContract MemberTypeContract { get { if (memberTypeContract == null) { if (MemberInfo != null) { if (this.IsGetOnlyCollection) { memberTypeContract = DataContract.GetGetOnlyCollectionDataContract(DataContract.GetId(MemberType.TypeHandle), MemberType.TypeHandle, MemberType, SerializationMode.SharedContract); } else { memberTypeContract = DataContract.GetDataContract(MemberType); } } } return memberTypeContract; } set { memberTypeContract = value; } } internal bool HasConflictingNameAndType { get { return this.hasConflictingNameAndType; } set { this.hasConflictingNameAndType = value; } } internal DataMember ConflictingMember { get { return this.conflictingMember; } set { this.conflictingMember = value; } } } [Fx.Tag.SecurityNote(Miscellaneous = "RequiresReview - checks member visibility to calculate if access to it requires MemberAccessPermission for serialization." + " Since this information is used to determine whether to give the generated code access" + " permissions to private members, any changes to the logic should be reviewed.")] internal bool RequiresMemberAccessForGet() { MemberInfo memberInfo = MemberInfo; FieldInfo field = memberInfo as FieldInfo; if (field != null) { return DataContract.FieldRequiresMemberAccess(field); } else { PropertyInfo property = (PropertyInfo)memberInfo; MethodInfo getMethod = property.GetGetMethod(true /*nonPublic*/); if (getMethod != null) return DataContract.MethodRequiresMemberAccess(getMethod) || !DataContract.IsTypeVisible(property.PropertyType); } return false; } [Fx.Tag.SecurityNote(Miscellaneous = "RequiresReview - checks member visibility to calculate if access to it requires MemberAccessPermission for deserialization." + " Since this information is used to determine whether to give the generated code access" + " permissions to private members, any changes to the logic should be reviewed.")] internal bool RequiresMemberAccessForSet() { MemberInfo memberInfo = MemberInfo; FieldInfo field = memberInfo as FieldInfo; if (field != null) { return DataContract.FieldRequiresMemberAccess(field); } else { PropertyInfo property = (PropertyInfo)memberInfo; MethodInfo setMethod = property.GetSetMethod(true /*nonPublic*/); if (setMethod != null) return DataContract.MethodRequiresMemberAccess(setMethod) || !DataContract.IsTypeVisible(property.PropertyType); } return false; } internal DataMember BindGenericParameters(DataContract[] paramContracts, DictionaryboundContracts) { DataContract memberTypeContract = this.MemberTypeContract.BindGenericParameters(paramContracts, boundContracts); DataMember boundDataMember = new DataMember(memberTypeContract, this.Name, !memberTypeContract.IsValueType, this.IsRequired, this.EmitDefaultValue, this.Order); return boundDataMember; } internal bool Equals(object other, Dictionary checkedContracts) { if ((object) this == other) return true; DataMember dataMember = other as DataMember; if (dataMember != null) { // Note: comparison does not use Order hint since it influences element order but does not specify exact order bool thisIsNullable = (MemberTypeContract == null) ? false : !MemberTypeContract.IsValueType; bool dataMemberIsNullable = (dataMember.MemberTypeContract == null) ? false : !dataMember.MemberTypeContract.IsValueType; return (Name == dataMember.Name && (IsNullable || thisIsNullable) == (dataMember.IsNullable || dataMemberIsNullable) && IsRequired == dataMember.IsRequired && EmitDefaultValue == dataMember.EmitDefaultValue && MemberTypeContract.Equals(dataMember.MemberTypeContract, checkedContracts)); } return false; } public override int GetHashCode() { return base.GetHashCode(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace System.Runtime.Serialization { using System; using System.Collections.Generic; using System.Reflection; using System.Security; class DataMember { [Fx.Tag.SecurityNote(Critical = "Holds instance of CriticalHelper which keeps state that is cached statically for serialization." + " Static fields are marked SecurityCritical or readonly to prevent data from being modified or leaked to other components in appdomain.")] [SecurityCritical] CriticalHelper helper; [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.", Safe = "Doesn't leak anything.")] [SecuritySafeCritical] internal DataMember() { helper = new CriticalHelper(); } [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.", Safe = "Doesn't leak anything.")] [SecuritySafeCritical] internal DataMember(MemberInfo memberInfo) { helper = new CriticalHelper(memberInfo); } [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.", Safe = "Doesn't leak anything.")] [SecuritySafeCritical] internal DataMember(string name) { helper = new CriticalHelper(name); } [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.", Safe = "Doesn't leak anything.")] [SecuritySafeCritical] internal DataMember(DataContract memberTypeContract, string name, bool isNullable, bool isRequired, bool emitDefaultValue, int order) { helper = new CriticalHelper(memberTypeContract, name, isNullable, isRequired, emitDefaultValue, order); } internal MemberInfo MemberInfo { [SecuritySafeCritical] get { return helper.MemberInfo; } } internal string Name { [SecuritySafeCritical] get { return helper.Name; } [SecurityCritical] set { helper.Name = value; } } internal int Order { [SecuritySafeCritical] get { return helper.Order; } [SecurityCritical] set { helper.Order = value; } } internal bool IsRequired { [SecuritySafeCritical] get { return helper.IsRequired; } [SecurityCritical] set { helper.IsRequired = value; } } internal bool EmitDefaultValue { [SecuritySafeCritical] get { return helper.EmitDefaultValue; } [SecurityCritical] set { helper.EmitDefaultValue = value; } } internal bool IsNullable { [SecuritySafeCritical] get { return helper.IsNullable; } [SecurityCritical] set { helper.IsNullable = value; } } internal bool IsGetOnlyCollection { [SecuritySafeCritical] get { return helper.IsGetOnlyCollection; } [SecurityCritical] set { helper.IsGetOnlyCollection = value; } } internal Type MemberType { [SecuritySafeCritical] get { return helper.MemberType; } } internal DataContract MemberTypeContract { [SecuritySafeCritical] get { return helper.MemberTypeContract; } [SecurityCritical] set { helper.MemberTypeContract = value; } } internal bool HasConflictingNameAndType { [SecuritySafeCritical] get { return helper.HasConflictingNameAndType; } [SecurityCritical] set { helper.HasConflictingNameAndType = value; } } internal DataMember ConflictingMember { [SecuritySafeCritical] get { return helper.ConflictingMember; } [SecurityCritical] set { helper.ConflictingMember = value; } } [Fx.Tag.SecurityNote(Critical = "Critical.")] [SecurityCritical(SecurityCriticalScope.Everything)] class CriticalHelper { DataContract memberTypeContract; string name; int order; bool isRequired; bool emitDefaultValue; bool isNullable; bool isGetOnlyCollection = false; MemberInfo memberInfo; bool hasConflictingNameAndType; DataMember conflictingMember; internal CriticalHelper() { this.emitDefaultValue = Globals.DefaultEmitDefaultValue; } internal CriticalHelper(MemberInfo memberInfo) { this.emitDefaultValue = Globals.DefaultEmitDefaultValue; this.memberInfo = memberInfo; } internal CriticalHelper(string name) { this.Name = name; } internal CriticalHelper(DataContract memberTypeContract, string name, bool isNullable, bool isRequired, bool emitDefaultValue, int order) { this.MemberTypeContract = memberTypeContract; this.Name = name; this.IsNullable = isNullable; this.IsRequired = isRequired; this.EmitDefaultValue = emitDefaultValue; this.Order = order; } internal MemberInfo MemberInfo { get { return memberInfo; } } internal string Name { get { return name; } set { name = value; } } internal int Order { get { return order; } set { order = value; } } internal bool IsRequired { get { return isRequired; } set { isRequired = value; } } internal bool EmitDefaultValue { get { return emitDefaultValue; } set { emitDefaultValue = value; } } internal bool IsNullable { get { return isNullable; } set { isNullable = value; } } internal bool IsGetOnlyCollection { get { return isGetOnlyCollection; } set { isGetOnlyCollection = value; } } internal Type MemberType { get { FieldInfo field = MemberInfo as FieldInfo; if (field != null) return field.FieldType; return ((PropertyInfo)MemberInfo).PropertyType; } } internal DataContract MemberTypeContract { get { if (memberTypeContract == null) { if (MemberInfo != null) { if (this.IsGetOnlyCollection) { memberTypeContract = DataContract.GetGetOnlyCollectionDataContract(DataContract.GetId(MemberType.TypeHandle), MemberType.TypeHandle, MemberType, SerializationMode.SharedContract); } else { memberTypeContract = DataContract.GetDataContract(MemberType); } } } return memberTypeContract; } set { memberTypeContract = value; } } internal bool HasConflictingNameAndType { get { return this.hasConflictingNameAndType; } set { this.hasConflictingNameAndType = value; } } internal DataMember ConflictingMember { get { return this.conflictingMember; } set { this.conflictingMember = value; } } } [Fx.Tag.SecurityNote(Miscellaneous = "RequiresReview - checks member visibility to calculate if access to it requires MemberAccessPermission for serialization." + " Since this information is used to determine whether to give the generated code access" + " permissions to private members, any changes to the logic should be reviewed.")] internal bool RequiresMemberAccessForGet() { MemberInfo memberInfo = MemberInfo; FieldInfo field = memberInfo as FieldInfo; if (field != null) { return DataContract.FieldRequiresMemberAccess(field); } else { PropertyInfo property = (PropertyInfo)memberInfo; MethodInfo getMethod = property.GetGetMethod(true /*nonPublic*/); if (getMethod != null) return DataContract.MethodRequiresMemberAccess(getMethod) || !DataContract.IsTypeVisible(property.PropertyType); } return false; } [Fx.Tag.SecurityNote(Miscellaneous = "RequiresReview - checks member visibility to calculate if access to it requires MemberAccessPermission for deserialization." + " Since this information is used to determine whether to give the generated code access" + " permissions to private members, any changes to the logic should be reviewed.")] internal bool RequiresMemberAccessForSet() { MemberInfo memberInfo = MemberInfo; FieldInfo field = memberInfo as FieldInfo; if (field != null) { return DataContract.FieldRequiresMemberAccess(field); } else { PropertyInfo property = (PropertyInfo)memberInfo; MethodInfo setMethod = property.GetSetMethod(true /*nonPublic*/); if (setMethod != null) return DataContract.MethodRequiresMemberAccess(setMethod) || !DataContract.IsTypeVisible(property.PropertyType); } return false; } internal DataMember BindGenericParameters(DataContract[] paramContracts, Dictionary boundContracts) { DataContract memberTypeContract = this.MemberTypeContract.BindGenericParameters(paramContracts, boundContracts); DataMember boundDataMember = new DataMember(memberTypeContract, this.Name, !memberTypeContract.IsValueType, this.IsRequired, this.EmitDefaultValue, this.Order); return boundDataMember; } internal bool Equals(object other, Dictionary checkedContracts) { if ((object) this == other) return true; DataMember dataMember = other as DataMember; if (dataMember != null) { // Note: comparison does not use Order hint since it influences element order but does not specify exact order bool thisIsNullable = (MemberTypeContract == null) ? false : !MemberTypeContract.IsValueType; bool dataMemberIsNullable = (dataMember.MemberTypeContract == null) ? false : !dataMember.MemberTypeContract.IsValueType; return (Name == dataMember.Name && (IsNullable || thisIsNullable) == (dataMember.IsNullable || dataMemberIsNullable) && IsRequired == dataMember.IsRequired && EmitDefaultValue == dataMember.EmitDefaultValue && MemberTypeContract.Equals(dataMember.MemberTypeContract, checkedContracts)); } return false; } public override int GetHashCode() { return base.GetHashCode(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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