// Finds the node containing the specified object
// returns true if it found the object
internal static bool SelectObjectMember(IObjectMember om,
bool createObj)
{
ObjectTreeNode node = FindObject(om.Obj, createObj);
if (node != null)
{
node = node.FindMember(om.Member);
if (node == null)
{
ErrorDialog.Show("You requested to show member "
+ om.Member
+ " but it cannot be shown because "
+ "it is not visible according to the "
+ "preferences you have selected "
+ "in the object tree. To show this "
+ "member, please modify those "
+ "preferences.",
"Member not visible",
MessageBoxIcon.Error);
return(false);
}
node.PointToNode();
return(true);
}
return(false);
}
public void ShowTarget(Object linkModifier)
{
IObjectMember om = (IObjectMember)linkModifier;
ObjectTreeNode.
SelectObjectMember(om, ObjectTreeNode.CREATE_OBJ);
}
public static TObject MakeObject <TObject>(KvObject keyValueObject, IObjectReflector reflector, IObjectMember objectMember = null)
{
Require.NotNull(keyValueObject, nameof(keyValueObject));
Require.NotNull(reflector, nameof(reflector));
if (keyValueObject.Value.ValueType == KvValueType.Collection)
{
if (IsLookupWithStringKey(typeof(TObject), out var lookupValueType))
{
return((TObject)MakeLookup(lookupValueType, keyValueObject));
}
else if (IsDictionary(typeof(TObject)))
{
return((TObject)MakeDictionary(typeof(TObject), keyValueObject));
}
else if (IsArray(keyValueObject, out var enumerableValues) && ConstructTypedEnumerable(typeof(TObject), enumerableValues, out var enumerable))
{
return((TObject)enumerable);
}
else if (IsConstructibleEnumerableType(typeof(TObject)))
{
throw new InvalidOperationException($"Cannot deserialize a non-array value to type \"{typeof(TObject).Namespace}.{typeof(TObject).Name}\".");
}
var typedObject = (TObject)FormatterServices.GetUninitializedObject(typeof(TObject));
CopyObject(keyValueObject, typedObject, reflector);
return(typedObject);
}
else if (CanConvertValueTo(typeof(TObject)))
{
return((TObject)Convert.ChangeType(keyValueObject.Value, typeof(TObject)));
}
else if (IsConstructibleEnumerableType(typeof(TObject)))
{
Require.NotNull(objectMember, nameof(objectMember));
if (objectMember?.CollectionType != KvCollectionType.CharSeparated)
{
throw new InvalidOperationException("Cannot deserialise string object values to anything but char separated arrays.");
}
// Remove whitespace and split the string
var str = ((string)Convert.ChangeType(keyValueObject.Value, typeof(string)))
.Trim()
.Split(objectMember.CollectionTypeSeparator)
//.Select(s => s.Trim())
.Cast <object>().ToArray();
if (!ConstructTypedEnumerable(typeof(TObject), str, out var enumerable))
{
throw new InvalidOperationException("Unable to construct enumerable.");
}
return((TObject)enumerable);
}
else
{
throw new NotSupportedException(typeof(TObject).Name);
}
}
public static object MakeObject(KvObject keyValueObject, Type objectType, IObjectReflector reflector, IObjectMember objectMember = null)
=> InvokeGeneric(nameof(MakeObject), objectType, new object[] { keyValueObject, reflector, objectMember });
private static KvObject FromObjectCore <TObject>(TObject managedObject, string topLevelName, IObjectReflector reflector, HashSet <object> visitedObjects, IObjectMember objectMember = null)
{
if (managedObject == null)
{
throw new ArgumentNullException(nameof(managedObject));
}
Require.NotNull(topLevelName, nameof(topLevelName));
Require.NotNull(reflector, nameof(reflector));
Require.NotNull(visitedObjects, nameof(visitedObjects));
if (!typeof(TObject).IsValueType && typeof(TObject) != typeof(string) && !visitedObjects.Add(managedObject))
{
throw new KeyValueException("Serialization failed - circular object reference detected.");
}
if (typeof(IConvertible).IsAssignableFrom(typeof(TObject)))
{
return(new KvObject(topLevelName, (string)Convert.ChangeType(managedObject, typeof(string))));
}
var childObjects = new List <KvObject>();
if (typeof(IDictionary).IsAssignableFrom(typeof(TObject)))
{
var dictionary = (IDictionary)managedObject;
var enumerator = dictionary.GetEnumerator();
while (enumerator.MoveNext())
{
var entry = enumerator.Entry;
childObjects.Add(new KvObject(entry.Key.ToString(), entry.Value.ToString()));
}
}
else if (typeof(TObject).IsArray || typeof(IEnumerable).IsAssignableFrom(typeof(TObject)))
{
var collectionType = objectMember?.CollectionType ?? KvCollectionType.Default;
switch (collectionType)
{
case KvCollectionType.ValueList:
var counter = 0;
foreach (var child in (IEnumerable)managedObject)
{
var childKvObject = CopyObject(child, counter.ToString(), reflector, visitedObjects);
childObjects.Add(childKvObject);
counter++;
}
break;
case KvCollectionType.CharSeparated:
if (objectMember == null)
{
throw new InvalidOperationException();
}
var sb = new StringBuilder();
foreach (var child in (IEnumerable)managedObject)
{
var str = Convert.ChangeType(child, typeof(string));
sb.Append(str);
sb.Append(objectMember.CollectionTypeSeparator);
}
return(new KvObject(topLevelName, sb.ToString().TrimEnd(objectMember.CollectionTypeSeparator)));
default:
throw new NotSupportedException("Unsupported KvCollectionType for serialisation.");
}
}
else
{
foreach (var member in reflector.GetMembers(managedObject).OrderBy(p => p.Name))
{
if (!member.MemberType.IsValueType && member.Value is null)
{
continue;
}
var name = member.Name;
if (!member.IsExplicitName && name.Length > 0 && char.IsUpper(name[0]))
{
name = char.ToLower(name[0]) + name.Substring(1);
}
childObjects.Add(typeof(IConvertible).IsAssignableFrom(member.MemberType)
? new KvObject(name, (string)Convert.ChangeType(member.Value, typeof(string)))
: CopyObject(member.Value, member.Name, reflector, visitedObjects));
}
}
return(new KvObject(topLevelName, childObjects));
}
// Finds the node containing the specified object
// returns true if it found the object
internal static bool SelectObjectMember(IObjectMember om,
bool createObj)
{
ObjectTreeNode node = FindObject(om.Obj, createObj);
if (node != null)
{
node = node.FindMember(om.Member);
if (node == null)
{
ErrorDialog.Show("You requested to show member "
+ om.Member
+ " but it cannot be shown because "
+ "it is not visible according to the "
+ "preferences you have selected "
+ "in the object tree. To show this "
+ "member, please modify those "
+ "preferences.",
"Member not visible",
MessageBoxIcon.Error);
return false;
}
node.PointToNode();
return true;
}
return false;
}
