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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.Reflection;
#if ES_BUILD_STANDALONE
namespace Microsoft.Diagnostics.Tracing
#else
namespace System.Diagnostics.Tracing
#endif
{
/// <summary>
/// TraceLogging: stores the per-type information obtained by reflecting over a type.
/// </summary>
internal sealed class TypeAnalysis
{
internal readonly PropertyAnalysis[] properties;
internal readonly string name;
internal readonly EventKeywords keywords;
internal readonly EventLevel level = (EventLevel)(-1);
internal readonly EventOpcode opcode = (EventOpcode)(-1);
internal readonly EventTags tags;
public TypeAnalysis(
Type dataType,
EventDataAttribute eventAttrib,
List<Type> recursionCheck)
{
var propertyInfos = Statics.GetProperties(dataType);
var propertyList = new List<PropertyAnalysis>();
foreach (var propertyInfo in propertyInfos)
{
if (Statics.HasCustomAttribute(propertyInfo, typeof(EventIgnoreAttribute)))
{
continue;
}
if (!propertyInfo.CanRead ||
propertyInfo.GetIndexParameters().Length != 0)
{
continue;
}
MethodInfo getterInfo = Statics.GetGetMethod(propertyInfo);
if (getterInfo == null)
{
continue;
}
if (getterInfo.IsStatic || !getterInfo.IsPublic)
{
continue;
}
var propertyType = propertyInfo.PropertyType;
var propertyTypeInfo = TraceLoggingTypeInfo.GetInstance(propertyType, recursionCheck);
var fieldAttribute = Statics.GetCustomAttribute<EventFieldAttribute>(propertyInfo);
string propertyName =
fieldAttribute != null && fieldAttribute.Name != null
? fieldAttribute.Name
: Statics.ShouldOverrideFieldName(propertyInfo.Name)
? propertyTypeInfo.Name
: propertyInfo.Name;
propertyList.Add(new PropertyAnalysis(
propertyName,
propertyInfo,
propertyTypeInfo,
fieldAttribute));
}
this.properties = propertyList.ToArray();
foreach (var property in this.properties)
{
var typeInfo = property.typeInfo;
this.level = (EventLevel)Statics.Combine((int)typeInfo.Level, (int)this.level);
this.opcode = (EventOpcode)Statics.Combine((int)typeInfo.Opcode, (int)this.opcode);
this.keywords |= typeInfo.Keywords;
this.tags |= typeInfo.Tags;
}
if (eventAttrib != null)
{
this.level = (EventLevel)Statics.Combine((int)eventAttrib.Level, (int)this.level);
this.opcode = (EventOpcode)Statics.Combine((int)eventAttrib.Opcode, (int)this.opcode);
this.keywords |= eventAttrib.Keywords;
this.tags |= eventAttrib.Tags;
this.name = eventAttrib.Name;
}
if (this.name == null)
{
this.name = dataType.Name;
}
}
}
}
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