public XmlAttributeValueChange(XmlNodePath elementPath, XName key, string newValue, string oldValue)
{
ElementPath = elementPath;
Key = key;
NewValue = newValue;
OldValue = oldValue;
}
public static bool TryParse(string str, out XmlNodePath path)
{
path = null;
var parts = str.Split(new[] { '/' }, StringSplitOptions.None);
if (parts.Length < 1)
{
return(false);
}
if (parts[0] != string.Empty)
{
return(false);
}
var indexes = new int[parts.Length - 1];
for (var i = 1; i < parts.Length; i++)
{
int index;
if (int.TryParse(parts[i], out index))
{
indexes[i - 1] = index;
}
}
path = new XmlNodePath(indexes);
return(true);
}
public XmlAddNodeChange(XmlNodePath path, IImmutableXNode node)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
Path = path;
Node = node;
}
public XmlTextValueChangeBase(XmlNodePath path, string newValue, string oldValue)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
Path = path;
NewValue = newValue;
OldValue = oldValue;
}
/// <summary>
/// Conditionally removes a node from a document at specified node path.
/// If <paramref name="comparedNode" /> is provided, the node also has to
/// be equal to this to be removed.
/// </summary>
/// <param name="doc">The document to remove from</param>
/// <param name="nodePath">The path of the node to remove</param>
/// <param name="comparedNode">Node to compare with before removing. Can be null.</param>
/// <returns>True if node was removed, false if not found or not equal to comparedNode.</returns>
public static bool TryRemove(this XDocument doc, XmlNodePath nodePath, XNode comparedNode = null)
{
XNode removed;
nodePath.TryFind(doc, out removed);
if (removed == null || comparedNode != null && !comparedNode.DeepEquals(removed))
{
return(false);
}
removed.Remove();
return(true);
}
internal static bool TryAddAttribute(XDocument doc, XmlNodePath elementPath, XName key, string value)
{
XElement element;
if (!elementPath.TryFind(doc, out element))
{
return(false);
}
// Fail if attribute already exists
if (element.Attribute(key) != null)
{
return(false);
}
// TODO: Think about attribute index?
element.Add(new XAttribute(key, value));
return(true);
}
internal static bool TryRemoveAttribute(XDocument doc, XmlNodePath elementPath, XName key, string value)
{
XElement element;
if (!elementPath.TryFind(doc, out element))
{
return(false);
}
// Fail if attribute already exists
var attribute = element.Attribute(key);
if (attribute == null || attribute.Value != value)
{
return(false);
}
attribute.Remove();
// TODO: Think about attribute index?
return(true);
}
public static XmlNodePath NodePath(this XNode node)
{
return(XmlNodePath.From(node));
}
public XmlAddAttributeChange(XmlNodePath elementPath, XName key, string value)
{
_elementPath = elementPath;
Key = key;
Value = value;
}
public XmlCDataValueChange(XmlNodePath path, string newValue, string oldValue) : base(path, newValue, oldValue)
{
}
/// <summary>
/// Conditionally inserts a node into a document at specified node path.
/// </summary>
/// <param name="doc">The document to insert to</param>
/// <param name="nodePath">The path the node will have after being inserted</param>
/// <param name="inserted">The inserted node</param>
/// <returns>True if node was inserted, false if parent of path could not be found</returns>
public static bool TryInsert(this XDocument doc, XmlNodePath nodePath, XNode inserted)
{
return(nodePath.TryInsertToDocument(doc, inserted));
}
