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using System;
using System.Reflection;
namespace ProtoBuf.Meta
{
internal abstract class AttributeMap
{
public abstract Type AttributeType { get; }
public abstract object Target { get; }
private sealed class ReflectionAttributeMap : AttributeMap
{
public override object Target
{
get
{
return this.attribute;
}
}
public override Type AttributeType
{
get
{
return this.attribute.GetType();
}
}
private readonly Attribute attribute;
public override bool TryGet(string key, bool publicOnly, out object value)
{
foreach (MemberInfo memberInfo in Helpers.GetInstanceFieldsAndProperties(this.attribute.GetType(), publicOnly))
{
bool flag = string.Equals(memberInfo.Name, key, StringComparison.OrdinalIgnoreCase);
if (flag)
{
PropertyInfo propertyInfo = memberInfo as PropertyInfo;
bool flag2 = propertyInfo != null;
bool result;
if (flag2)
{
value = propertyInfo.GetValue(this.attribute, null);
result = true;
}
else
{
FieldInfo fieldInfo = memberInfo as FieldInfo;
bool flag3 = fieldInfo != null;
if (!flag3)
{
throw new NotSupportedException(memberInfo.GetType().Name);
}
value = fieldInfo.GetValue(this.attribute);
result = true;
}
return result;
}
}
value = null;
return false;
}
public ReflectionAttributeMap(Attribute attribute)
{
this.attribute = attribute;
}
}
[Obsolete("Please use AttributeType instead")]
public new Type GetType()
{
return this.AttributeType;
}
public abstract bool TryGet(string key, bool publicOnly, out object value);
public bool TryGet(string key, out object value)
{
return this.TryGet(key, true, out value);
}
public static AttributeMap[] Create(TypeModel model, Type type, bool inherit)
{
object[] customAttributes = type.GetCustomAttributes(inherit);
AttributeMap[] array = new AttributeMap[customAttributes.Length];
for (int i = 0; i < customAttributes.Length; i++)
{
array[i] = new AttributeMap.ReflectionAttributeMap((Attribute)customAttributes[i]);
}
return array;
}
public static AttributeMap[] Create(TypeModel model, MemberInfo member, bool inherit)
{
object[] customAttributes = member.GetCustomAttributes(inherit);
AttributeMap[] array = new AttributeMap[customAttributes.Length];
for (int i = 0; i < customAttributes.Length; i++)
{
array[i] = new AttributeMap.ReflectionAttributeMap((Attribute)customAttributes[i]);
}
return array;
}
public static AttributeMap[] Create(TypeModel model, Assembly assembly)
{
object[] customAttributes = assembly.GetCustomAttributes(false);
AttributeMap[] array = new AttributeMap[customAttributes.Length];
for (int i = 0; i < customAttributes.Length; i++)
{
array[i] = new AttributeMap.ReflectionAttributeMap((Attribute)customAttributes[i]);
}
return array;
}
}
}
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