public static object ExtractChildObject([NotNull] object model, [NotNull] ExcelTemplatePath path)
{
var pathParts = path.PartsWithIndexers;
var(succeed, result) = TryExtractChildObject(model, pathParts, 0);
if (!succeed)
{
throw new ObjectPropertyExtractionException($"Can't find path '{string.Join(".", pathParts)}' in model of type '{model.GetType()}'");
}
return(result);
}
public (ExcelTemplatePath pathToEnumerable, ExcelTemplatePath relativePathToItem) SplitForEnumerableExpansion()
{
if (!HasArrayAccess)
{
throw new BaseExcelSerializationException($"Expression needs enumerable expansion but has no part with '[]' or '[#]' (path - '{RawPath}')");
}
var pathToEnumerableLength = PartsWithIndexers.TakeWhile(x => !TemplateDescriptionHelper.IsArrayPathPart(x)).Count() + 1;
var pathToEnumerable = new ExcelTemplatePath(string.Join(".", PartsWithIndexers.Take(pathToEnumerableLength)));
var relativePathToItem = new ExcelTemplatePath(string.Join(".", PartsWithIndexers.Skip(pathToEnumerableLength)));
return(pathToEnumerable, relativePathToItem);
}
public static Type ExtractChildObjectTypeFromPath([NotNull] Type modelType, [NotNull] ExcelTemplatePath path)
{
var currType = modelType;
foreach (var part in path.PartsWithIndexers)
{
var childPropertyType = ExtractPropertyInfo(currType, part).PropertyType;
if (TemplateDescriptionHelper.IsCollectionAccessPathPart(part))
{
if (TypeCheckingHelper.IsDictionary(childPropertyType))
{
var(keyType, valueType) = TypeCheckingHelper.GetDictionaryGenericTypeArguments(childPropertyType);
TemplateDescriptionHelper.ParseCollectionIndexerOrThrow(TemplateDescriptionHelper.GetCollectionAccessPathPartIndex(part), keyType);
currType = valueType;
}
else if (TypeCheckingHelper.IsIList(childPropertyType))
{
TemplateDescriptionHelper.ParseCollectionIndexerOrThrow(TemplateDescriptionHelper.GetCollectionAccessPathPartIndex(part), typeof(int));
currType = TypeCheckingHelper.GetEnumerableItemType(childPropertyType);
}
else
{
throw new ObjectPropertyExtractionException($"Not supported collection type {childPropertyType}");
}
}
else if (TemplateDescriptionHelper.IsArrayPathPart(part))
{
if (TypeCheckingHelper.IsIList(childPropertyType))
{
currType = TypeCheckingHelper.GetIListItemType(childPropertyType);
}
else
{
throw new ObjectPropertyExtractionException($"Not supported collection type {childPropertyType}");
}
}
else
{
currType = childPropertyType;
}
}
return(currType);
}
public static Action <object> ExtractChildObjectSetter([NotNull] object model, [NotNull] ExcelTemplatePath path)
{
var action = childObjectSettersCache.GetOrAdd((model.GetType(), path), x => ExtractChildModelSetter(x.type, x.path.PartsWithIndexers));
return(x => action(model, x));
}
private bool Equals(ExcelTemplatePath other)
{
return(string.Equals(RawPath, other.RawPath));
}