/// <summary>
/// Removes attached metadata from the given YAML path.
/// </summary>
/// <param name="path">The path at which to remove metadata.</param>
public void Remove(YamlAssetPath path)
{
if (isAttached)
{
throw new InvalidOperationException("Cannot modify a YamlAssetMetadata after it has been attached.");
}
metadata.Remove(path);
}
/// <summary>
/// Attaches the given metadata value to the given YAML path.
/// </summary>
/// <param name="path">The path at which to attach metadata.</param>
/// <param name="value">The metadata to attach.</param>
public void Set([NotNull] YamlAssetPath path, T value)
{
if (isAttached)
{
throw new InvalidOperationException("Cannot modify a YamlAssetMetadata after it has been attached.");
}
metadata[path] = value;
}
public YamlAssetPath Append([CanBeNull] YamlAssetPath other)
{
var result = new YamlAssetPath(elements);
if (other != null)
{
result.elements.AddRange(other.elements);
}
return(result);
}
public static YamlAssetPath FromMemberPath([NotNull] MemberPath path, object root)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
var result = new YamlAssetPath();
var clone = new MemberPath();
foreach (var item in path.Decompose())
{
if (item.MemberDescriptor != null)
{
clone.Push(item.MemberDescriptor);
var member = item.MemberDescriptor.Name;
result.PushMember(member);
}
else
{
object index = null;
if (item is MemberPath.ArrayPathItem arrayItem)
{
clone.Push(arrayItem.Descriptor, arrayItem.Index);
index = arrayItem.Index;
}
if (item is MemberPath.CollectionPathItem collectionItem)
{
clone.Push(collectionItem.Descriptor, collectionItem.Index);
index = collectionItem.Index;
}
if (item is MemberPath.DictionaryPathItem dictionaryItem)
{
clone.Push(dictionaryItem.Descriptor, dictionaryItem.Key);
index = dictionaryItem.Key;
}
if (!CollectionItemIdHelper.TryGetCollectionItemIds(clone.GetValue(root), out CollectionItemIdentifiers ids))
{
result.PushIndex(index);
}
else
{
var id = ids[index];
// Create a new id if we don't have any so far
if (id == ItemId.Empty)
{
id = ItemId.New();
}
result.PushItemId(id);
}
}
}
return(result);
}
/// <summary>
/// Indicates whether the current path represents the same path of another object.
/// </summary>
/// <param name="other">An object to compare with this path.</param>
/// <returns><c>true</c> if the current path matches the <paramref name="other"/> parameter; otherwise, <c>false</c>.</returns>
public bool Match(YamlAssetPath other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
if (Elements.Count != other.Elements.Count)
{
return(false);
}
return(Elements.SequenceEqual(other.Elements));
}
public bool StartsWith([NotNull] YamlAssetPath path)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
if (path.elements.Count > elements.Count)
{
return(false);
}
for (var i = 0; i < path.Elements.Count; ++i)
{
if (!Elements[i].Equals(path.Elements[i]))
{
return(false);
}
}
return(true);
}
public YamlAssetPath Clone()
{
var clone = new YamlAssetPath(elements);
return(clone);
}
/// <inheritdoc/> object IYamlAssetMetadata.TryGet(YamlAssetPath path) => TryGet(path);
/// <inheritdoc/> void IYamlAssetMetadata.Set(YamlAssetPath path, object value) => Set(path, (T)value);
/// <summary>
/// Tries to retrieve the metadata for the given path.
/// </summary>
/// <param name="path">The path at which to retrieve metadata.</param>
/// <returns>The metadata attached to the given path, or the default value of <typeparamref name="T"/> if no metadata is attached at the given path.</returns>
public T TryGet([NotNull] YamlAssetPath path)
{
metadata.TryGetValue(path, out T value);
return(value);
}
