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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;
#if ES_BUILD_STANDALONE
namespace Microsoft.Diagnostics.Tracing
#else
namespace System.Diagnostics.Tracing
#endif
{
/// <summary>
/// TraceLogging: An implementation of TraceLoggingTypeInfo that works
/// for arbitrary types. It writes all public instance properties of
/// the type.
/// </summary>
/// <typeparam name="ContainerType">
/// Type from which to read values.
/// </typeparam>
internal sealed class InvokeTypeInfo : TraceLoggingTypeInfo
{
private readonly PropertyAnalysis[] properties;
public InvokeTypeInfo(
Type type,
TypeAnalysis typeAnalysis)
: base(
type,
typeAnalysis.name,
typeAnalysis.level,
typeAnalysis.opcode,
typeAnalysis.keywords,
typeAnalysis.tags)
{
if (typeAnalysis.properties.Length != 0)
this.properties = typeAnalysis.properties;
}
public override void WriteMetadata(
TraceLoggingMetadataCollector collector,
string name,
EventFieldFormat format)
{
var groupCollector = collector.AddGroup(name);
if (this.properties != null)
{
foreach (var property in this.properties)
{
var propertyFormat = EventFieldFormat.Default;
var propertyAttribute = property.fieldAttribute;
if (propertyAttribute != null)
{
groupCollector.Tags = propertyAttribute.Tags;
propertyFormat = propertyAttribute.Format;
}
property.typeInfo.WriteMetadata(
groupCollector,
property.name,
propertyFormat);
}
}
}
public override void WriteData(TraceLoggingDataCollector collector, PropertyValue value)
{
if (this.properties != null)
{
foreach (var property in this.properties)
{
property.typeInfo.WriteData(collector, property.getter(value));
}
}
}
public override object GetData(object value)
{
if (this.properties != null)
{
var membersNames = new List<string>();
var memebersValues = new List<object>();
for (int i = 0; i < this.properties.Length; i++)
{
var propertyValue = properties[i].propertyInfo.GetValue(value);
membersNames.Add(properties[i].name);
memebersValues.Add(properties[i].typeInfo.GetData(propertyValue));
}
return new EventPayload(membersNames, memebersValues);
}
return null;
}
}
}
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