private Operation CreateOperationFromAttribute(
XElement element,
ElementKind kind,
XAttribute attribute,
bool throwOnId = false)
{
string attributeName = attribute.LocalName();
if (throwOnId &&
DefaultComparer.NameEquals(attributeName, AttributeNames.Id))
{
Throw(ErrorMessages.CannotUseOperationOnProperty(element, attributeName));
}
PropertyDefinition property;
string name = attribute.LocalName();
if (name == PropertyDefinition.TagsName)
{
property = PropertyDefinition.Tags;
}
else
{
property = GetProperty(attribute);
}
switch (kind)
{
case ElementKind.With:
{
return(new Operation(property, GetValue(attribute), _depth, OperationKind.With));
}
case ElementKind.Without:
{
if (!property.IsCollection)
{
Throw(ErrorMessages.CannotUseOperationOnNonCollectionProperty(element, property.Name));
}
return(new Operation(property, GetValue(attribute), _depth, OperationKind.Without));
}
default:
{
Debug.Assert(kind == ElementKind.New, kind.ToString());
return(new Operation(property, GetValue(attribute), _depth, OperationKind.With));
}
}
}
private PropertyDefinition GetProperty(XAttribute attribute)
{
string propertyName = attribute.LocalName();
if (!Entity.TryGetProperty(propertyName, out PropertyDefinition property))
{
Throw(ErrorMessages.PropertyIsNotDefined(propertyName), attribute);
}
return(property);
}
private IPropertyOperation CreateOperationFromAttribute(
XElement element,
XAttribute attribute,
bool throwOnId = false,
bool throwOnTag = false,
bool throwOnSet = false,
bool throwOnAdd = false)
{
string attributeName = attribute.LocalName();
if (throwOnId &&
DefaultComparer.NameEquals(attributeName, AttributeNames.Id))
{
Throw(ErrorMessages.CannotUseCommandOnProperty(element, attributeName));
}
if (DefaultComparer.NameEquals(attributeName, AttributeNames.Tag))
{
if (throwOnTag)
{
Throw(ErrorMessages.CannotUseCommandOnProperty(element, attributeName));
}
return(new AddTagOperation(GetValue(attribute), Depth));
}
PropertyDefinition property = GetProperty(attribute);
if (property.IsCollection)
{
if (throwOnAdd)
{
Throw(ErrorMessages.CannotUseCommandOnCollectionProperty(element, property.Name));
}
return(new AddItemOperation(property, GetValue(attribute), Depth));
}
else
{
if (throwOnSet)
{
Throw(ErrorMessages.CannotUseCommandOnNonCollectionProperty(element, property.Name));
}
return(new SetOperation(property, GetValue(attribute), Depth));
}
}
private PropertyDefinition GetProperty(XAttribute attribute)
{
string propertyName = attribute.LocalName();
if (DefaultComparer.NameEquals(propertyName, PropertyDefinition.TagsName))
{
return(PropertyDefinition.Tags);
}
if (_entityDefinition.TryGetProperty(propertyName, out PropertyDefinition property))
{
return(property);
}
Throw(ErrorMessages.PropertyIsNotDefined(propertyName), attribute);
return(null);
}
public static bool NameEquals(XAttribute attribute, string name)
{
return(NameEquals(attribute.LocalName(), name));
}
private string GetAttributeName(XAttribute attribute)
{
return(attribute.LocalName());
}
public static string UnknownAttribute(XAttribute attribute)
{
return($"Element '{attribute.Parent?.LocalName()}' contains unknown attribute '{attribute.LocalName()}'.");
}
private IPropertyOperation CreateOperationFromAttribute(
XElement element,
ElementKind kind,
XAttribute attribute,
char separator = ',',
bool throwOnId = false,
bool throwOnCollection = false)
{
string attributeName = attribute.LocalName();
if (throwOnId &&
DefaultComparer.NameEquals(attributeName, AttributeNames.Id))
{
Throw(ErrorMessages.CannotUseOperationOnProperty(element, attributeName));
}
PropertyDefinition property;
string name = attribute.LocalName();
if (name == PropertyDefinition.TagsName)
{
property = PropertyDefinition.Tags;
}
else
{
property = GetProperty(attribute);
}
if (throwOnCollection &&
property.IsCollection)
{
Throw(ErrorMessages.CannotUseOperationOnCollectionProperty(element, property.Name));
}
switch (kind)
{
case ElementKind.Add:
return(new AddOperation(property, GetValue(attribute), Depth));
case ElementKind.AddRange:
return(new AddRangeOperation(property, GetValue(attribute), separator, Depth));
case ElementKind.Remove:
return(new RemoveOperation(property, GetValue(attribute), Depth));
case ElementKind.RemoveRange:
return(new RemoveRangeOperation(property, GetValue(attribute), separator, Depth));
default:
{
Debug.Assert(kind == ElementKind.Set || kind == ElementKind.New, kind.ToString());
if (property.IsCollection)
{
return(new AddOperation(property, GetValue(attribute), Depth));
}
else
{
return(new SetOperation(property, GetValue(attribute), Depth));
}
}
}
}
