protected override bool OnWrite <T>(IXWriteOperation writer, T obj, XAttribute attribute, XObjectArgs args)
{
if (obj != null && Identifier.CanId(obj.GetType()))
{
object id = Identifier.GetId(obj);
if (id != null && referenceObjects.ContainsKey(id))
{
_ = writer.WriteTo(attribute, id);
return(true);
}
}
return(false);
}
protected override bool OnWrite(XType <DictionaryEntry> xType, IXWriteOperation writer,
DictionaryEntry obj, XElement element, XObjectArgs args)
{
XName keyName = XComponents.Component <XAutoCollections>().KeyName,
valueName = XComponents.Component <XAutoCollections>().ValueName;
if (obj.Key != null)
{
element.Add(writer.WriteTo(new XElement(keyName), obj.Key));
if (obj.Value != default)
{
element.Add(writer.WriteTo(new XElement(valueName), obj.Value));
}
}
return(true);
}
protected override bool OnWrite(IXWriteOperation writer, T[,] obj, XElement element, XObjectArgs args)
{
// Get lower bound and length
int lb = obj.GetLowerBound(0), n = obj.GetLength(0);
int[] lb1 = new int[1] {
obj.GetLowerBound(1)
}, n1 = new int[1] {
obj.GetLength(1)
};
if (lb != 0)
{
element.SetAttributeValue(XComponents.Component <XAutoCollections>().ArrayLowerBoundName, XmlTools.Write(lb));
}
// Copy each second rank into a new array and write them as 1-dimensional arrays
for (int i = lb, I = lb + n; i < I; i++)
{
T[] dim1 = (T[])Array.CreateInstance(typeof(T), n1, lb1);
for (int j = lb1[0], J = n1[0]; j < J; j++)
{
dim1[j] = obj[i, j];
}
XElement li = writer.WriteTo(new XElement(ItemName), dim1);
if (lb1[0] != 0)
{
li.SetAttributeValue(XComponents.Component <XAutoCollections>().ArrayLowerBoundName, XmlTools.Write(lb1[0]));
}
element.Add(li);
}
return(true);
}
protected override void OnSubmit(IXWriteOperation writer, object obj)
{
if (obj != null && Identifier.CanId(obj.GetType()))
{
object id = Identifier.GetId(obj);
if (id != null)
{
if (referenceObjects.TryGetValue(id, out object existing))
{
if (!Equals(existing, obj))
{
throw new InvalidOperationException(
$"Reference collision on ID '{id}' between objects of type " +
$"{existing.GetType().Name} and {obj.GetType().Name}.");
}
}
else
{
referenceObjects.Add(id, obj);
}
}
}
}
internal void Submit(IXWriteOperation writer, object obj) => OnSubmit(writer, obj);
internal bool Write <T>(IXWriteOperation writer, T obj, XAttribute attribute, XObjectArgs args) => OnWrite(writer, obj, attribute, args);
internal bool Write <T>(IXWriteOperation writer, T obj, XElement element, XObjectArgs args) => OnWrite(writer, obj, element, args);
/// <summary>
/// Called whenever an object is submitted to the <see cref="XWriter"/>, which occurs either because the user
/// has submitted a contextual object or because an object was successfully written to XML.
/// </summary>
/// <param name="writer">An <see cref="IXWriteOperation"/> instance that exposes methods for writing XML
/// using the active <see cref="XWriter"/>.</param>
/// <param name="obj">The object that was submitted.</param>
protected virtual void OnSubmit(IXWriteOperation writer, object obj)
{
}
/// <summary>
/// Called when an <see cref="XAttribute"/> has been created with the intention of writing an <see cref="object"/>
/// to it, but before any XML has been added by <see cref="XTypeComponent{T}"/>s.
/// </summary>
/// <param name="writer">An <see cref="IXWriteOperation"/> instance that exposes methods for writing XML
/// using the active <see cref="XWriter"/>.</param>
/// <param name="obj">The object to be written.</param>
/// <param name="attribute">The <see cref="XAttribute"/> to which <paramref name="obj"/> is being written. The
/// attribute will already have been assigned the correct <see cref="XName"/>.</param>
/// <param name="args">Optional arguments to communicate to components how <paramref name="obj"/> should be
/// written.</param>
/// <returns>True if this <see cref="XWriterComponent"/> wrote the complete object to XML and all further
/// processing of this element should end.</returns>
protected virtual bool OnWrite <T>(IXWriteOperation writer, T obj, XAttribute attribute, XObjectArgs args) => false;
/// <summary>
/// Called when an <see cref="XElement"/> has been created with the intention of writing an <see cref="object"/>
/// to it, but before any XML has been added by <see cref="XTypeComponent{T}"/>s.
/// </summary>
/// <param name="writer">An <see cref="IXWriteOperation"/> instance that exposes methods for writing XML
/// using the active <see cref="XWriter"/>.</param>
/// <param name="obj">The object to be written.</param>
/// <param name="element">The <see cref="XElement"/> to which <paramref name="obj"/> is being written. The
/// element will already have been assigned the correct <see cref="XName"/>.</param>
/// <param name="args">Optional arguments to communicate to components how <paramref name="obj"/> should be
/// written.</param>
/// <returns>True if this <see cref="XWriterComponent"/> wrote the complete object to XML and all further
/// processing of this element should end.</returns>
protected virtual bool OnWrite <T>(IXWriteOperation writer, T obj, XElement element, XObjectArgs args) => false;
protected override bool OnWrite(IXWriteOperation writer, LinkedListNode <T> obj, XElement element, XObjectArgs args)
{
_ = writer.WriteTo(element, obj.Value);
return(true);
}
internal bool Write(XType <T> xType, IXWriteOperation writer, T obj, XElement element, XObjectArgs args) => OnWrite(xType, writer, obj, element, args);
/// <summary>
/// Implement this method to write an object of type <typeparamref name="T"/> to the given <see cref="XElement"/>.
/// </summary>
/// <param name="xType">The <see cref="XType{T}"/> instance from the current <see cref="XDomain"/>.</param>
/// <param name="writer">An <see cref="IXWriteOperation"/> instance for serializing XML.</param>
/// <param name="obj">The <typeparamref name="T"/> to be serialized.</param>
/// <param name="element">The <see cref="XElement"/> to which <paramref name="obj"/> is being written.</param>
/// <param name="args">Optional arguments with information about XML formatting.</param>
protected abstract bool OnWrite(XType <T> xType, IXWriteOperation writer, T obj, XElement element, XObjectArgs args);
protected override bool OnWrite(XType <T> xType, IXWriteOperation writer, T obj, XElement element, XObjectArgs args) => writeMethod(xType, writer, obj, element, args);
internal bool Write(IXWriteOperation writer, T obj, XAttribute attribute, XObjectArgs args) => ForEachComponent(x => x.Write(writer, obj, attribute, args));
internal bool Write(IXWriteOperation writer, T obj, XElement element, XObjectArgs args) => ForEachComponent(x => x.Write(writer, obj, element, args));
