public static void AddAttribute(
this TypeBuilder typeBuilder,
AttributeSpecification attributeSpecification)
{
CustomAttributeBuilder customAttributeBuilder = CreateAttributeWithValuesFromTemplate(attributeSpecification);
typeBuilder.SetCustomAttribute(customAttributeBuilder);
}
private static CustomAttributeBuilder CreateAttributeWithValuesFromTemplate(AttributeSpecification attributeSpecification)
{
var propertiesWithValues = new List <PropertyInfo>();
var nonNullPropertyValues = new List <Object>();
if (attributeSpecification.Template != null)
{
var properties = GetWritableProperties(attributeSpecification.Template);
object[] propertyValues = GetPropertyValues(attributeSpecification.Template, properties);
for (int i = 0; i < properties.Length; i++)
{
if (propertyValues[i] == null)
{
continue;
}
propertiesWithValues.Add(properties[i]);
nonNullPropertyValues.Add(propertyValues[i]);
}
}
ConstructorInfo constructor;
if (attributeSpecification.Constructor != null)
{
constructor = attributeSpecification.Constructor;
}
else
{
constructor = attributeSpecification.Type.GetConstructor(new Type[] { });
}
object[] constructorParams;
if (attributeSpecification.Constructor != null)
{
constructorParams = attributeSpecification.ConstructorParameters;
}
else
{
constructorParams = new object[] {}
};
return(new CustomAttributeBuilder(constructor, constructorParams,
propertiesWithValues.ToArray(), nonNullPropertyValues.ToArray()));
}
private static CustomAttributeBuilder CreateAttributeWithValuesFromTemplate(AttributeSpecification attributeSpecification)
{
var propertiesWithValues = new List<PropertyInfo>();
var nonNullPropertyValues = new List<Object>();
if (attributeSpecification.Template != null)
{
var properties = GetWritableProperties(attributeSpecification.Template);
object[] propertyValues = GetPropertyValues(attributeSpecification.Template, properties);
for (int i = 0; i < properties.Length; i++)
{
if (propertyValues[i] == null)
continue;
propertiesWithValues.Add(properties[i]);
nonNullPropertyValues.Add(propertyValues[i]);
}
}
ConstructorInfo constructor;
if (attributeSpecification.Constructor != null)
constructor = attributeSpecification.Constructor;
else
constructor = attributeSpecification.Type.GetConstructor(new Type[] { });
object[] constructorParams;
if (attributeSpecification.Constructor != null)
constructorParams = attributeSpecification.ConstructorParameters;
else
constructorParams = new object[] {};
return new CustomAttributeBuilder(constructor, constructorParams,
propertiesWithValues.ToArray(), nonNullPropertyValues.ToArray());
}
public static void AddAttribute(
this TypeBuilder typeBuilder,
AttributeSpecification attributeSpecification)
{
CustomAttributeBuilder customAttributeBuilder = CreateAttributeWithValuesFromTemplate(attributeSpecification);
typeBuilder.SetCustomAttribute(customAttributeBuilder);
}