private static bool TryExtractCurrentChildPropertyInfo([NotNull] object model, [NotNull] string pathPart, out PropertyInfo childPropertyInfo)
{
var propertyName = TemplateDescriptionHelper.GetPathPartName(pathPart);
childPropertyInfo = model.GetType().GetProperty(propertyName);
return(childPropertyInfo != null);
}
private static List <Expression> BuildExtractionOfChildModelSetter([NotNull] Type currNodeType, [NotNull] Expression currNodeExpression, [NotNull] Expression valueToSetExpression, [NotNull, ItemNotNull] string[] pathParts)
{
var statements = new List <Expression>();
for (var partIndex = 0; partIndex < pathParts.Length; ++partIndex)
{
var name = TemplateDescriptionHelper.GetPathPartName(pathParts[partIndex]);
var newNodeType = currNodeType.GetProperty(name)?.PropertyType;
currNodeType = newNodeType ?? throw new ObjectPropertyExtractionException($"Type '{currNodeType}' has no property '{name}'");
currNodeExpression = Expression.Property(currNodeExpression, name);
if (TemplateDescriptionHelper.IsCollectionAccessPathPart(pathParts[partIndex]))
{
List <Expression> statementsToAdd;
(currNodeExpression, currNodeType, statementsToAdd) = BuildExpandingOfCollectionAccessPart(currNodeExpression, currNodeType, pathParts[partIndex]);
statements.AddRange(statementsToAdd);
}
else if (TemplateDescriptionHelper.IsArrayPathPart(pathParts[partIndex]))
{
var statementsToAdd = BuildExpandingOfArrayPart(currNodeExpression, currNodeType, valueToSetExpression, pathParts.Skip(partIndex + 1).ToArray());
statements.AddRange(statementsToAdd);
return(statements);
}
else if (!TypeCheckingHelper.IsNullable(currNodeType) && partIndex != pathParts.Length - 1)
{
statements.Add(ExpressionPrimitives.CreateValueInitStatement(currNodeExpression, currNodeType));
}
}
statements.Add(ExpressionPrimitives.AssignWithTypeCheckings(currNodeExpression, currNodeType, valueToSetExpression));
return(statements);
}
private static PropertyInfo ExtractPropertyInfo([NotNull] Type type, [NotNull] string pathPart)
{
var propertyName = TemplateDescriptionHelper.GetPathPartName(pathPart);
var childPropertyInfo = type.GetProperty(propertyName);
if (childPropertyInfo == null)
{
throw new ObjectPropertyExtractionException($"Property with name '{propertyName}' not found in type '{type}'");
}
return(childPropertyInfo);
}
