private bool IsUnwrappingNeeded(ITypeSymbol targetType, MappingElement element)
{
return(targetType != element.ExpressionType && ObjectHelper.IsSimpleType(targetType));
}
protected virtual bool ShouldCreateConversionBetweenTypes(ITypeSymbol targetType, ITypeSymbol sourceType)
{
return((sourceType.Equals(targetType) == false) && ObjectHelper.IsSimpleType(targetType) == false && ObjectHelper.IsSimpleType(sourceType) == false);
}
private bool IsUnwrappingNeeded(ITypeSymbol targetType, MappingElement element)
{
return(targetType.Equals(element.ExpressionType) == false && (ObjectHelper.IsSimpleType(targetType) || SymbolHelper.IsNullable(targetType, out _)));
}
public static bool IsCollection(ITypeSymbol typeSymbol)
{
return(ObjectHelper.HasInterface(typeSymbol, "System.Collections.ICollection") ||
ObjectHelper.HasInterface(typeSymbol, "System.Collections.IEnumerable") ||
typeSymbol.Kind == SymbolKind.ArrayType);
}
public MappingElement MapExpression(MappingElement element, ITypeSymbol targetType, MappingPath mappingPath = null)
{
if (element == null)
{
return(null);
}
if (mappingPath == null)
{
mappingPath = new MappingPath();
}
if (mappingPath.AddToMapped(element.ExpressionType) == false)
{
return(new MappingElement()
{
ExpressionType = element.ExpressionType,
Expression = element.Expression.WithTrailingTrivia(SyntaxFactory.Comment(" /* Stop recursive mapping */"))
});
}
if (IsUnrappingNeeded(targetType, element))
{
return(TryToUnwrapp(targetType, element));
}
if (element.ExpressionType.Equals(targetType) == false && ObjectHelper.IsSimpleType(targetType) == false && ObjectHelper.IsSimpleType(element.ExpressionType) == false)
{
return(TryToCreateMappingExpression(element, targetType, mappingPath));
}
return(element);
}
