/// <summary>
/// Initializes a new instance of the <see cref="NavigableNavigator"/> class with a content source,
/// and an optional root content.
/// </summary>
/// <param name="source">The content source.</param>
/// <param name="content">The root content.</param>
/// <remarks>When no root content is supplied then the root of the source is used.</remarks>
public NavigableNavigator(INavigableSource source, INavigableContent content = null)
: this(source)
{
_nameTable = new NameTable();
_lastAttributeIndex = source.LastAttributeIndex;
_state = new State(content ?? source.Root, null, null, 0, StatePosition.Root);
}
/// <summary>
/// Initializes a new instance of the <see cref="NavigableNavigator"/> class with a content source,
/// and an optional root content.
/// </summary>
/// <param name="source">The content source.</param>
/// <param name="content">The root content.</param>
/// <remarks>When no root content is supplied then the root of the source is used.</remarks>
public NavigableNavigator(INavigableSource source, INavigableContent content = null)
: this(source)
{
_nameTable = new NameTable();
_lastAttributeIndex = source.LastAttributeIndex;
_state = new State(content ?? source.Root, null, null, 0, StatePosition.Root);
}
// initialize a new state
// used for creating the very first state
// and also when moving to a child element
public State(INavigableContent content, State parent, IList <int> siblings, int siblingIndex, StatePosition position)
: this(position)
{
Content = content;
Parent = parent;
Siblings = siblings;
SiblingIndex = siblingIndex;
}
// initialize a new state
// used for creating the very first state
// and also when moving to a child element
public State(INavigableContent content, State parent, IList<int> siblings, int siblingIndex, StatePosition position)
: this(position)
{
Content = content;
Parent = parent;
Siblings = siblings;
SiblingIndex = siblingIndex;
}