/// <summary>
/// Inserts an item into the collection.
/// </summary>
/// <param name="item">The item to add to the collection.</param>
/// <param name="itemToInsertBefore">The item to insert the new item before.</param>
internal void InsertBefore(CodeUnit item, CodeUnit itemToInsertBefore)
{
Param.AssertNotNull(item, "item");
Param.Ignore(itemToInsertBefore, "itemToInsertBefore");
CsLanguageService.Debug.Assert(itemToInsertBefore.Parent != null, "Item is not in this collection.");
CsLanguageService.Debug.Assert(itemToInsertBefore.Parent.Children == this, "Item is not in this collection.");
CsLanguageService.Debug.Assert(
item.ParentReference == null,
"The code unit has already been added to a different collection and must be removed from the that collection before it can be added to this one.");
if (this.items == null)
{
this.items = new CodeUnitLinkedList();
}
this.items.InsertBefore(item, itemToInsertBefore);
item.ParentReference = this.parentReference;
}
/// <summary>
/// Adds an item to the collection.
/// </summary>
/// <param name="item">The item to add to the collection.</param>
/// <param name="setParent">Indicates whether to set the item's parent to the parent of this collection.</param>
internal void Add(CodeUnit item, bool setParent)
{
Param.AssertNotNull(item, "item");
Param.Ignore(setParent);
CsLanguageService.Debug.Assert(
item.ParentReference == null,
"The code unit has already been added to a different collection and must be removed from the that collection before it can be added to this one.");
if (this.items == null)
{
this.items = new CodeUnitLinkedList();
}
this.items.Add(item);
if (setParent)
{
item.ParentReference = this.parentReference;
}
}
/// <summary>
/// Replaces the original item in the list with the new item.
/// </summary>
/// <param name="originalItem">The original item to remove and replace.</param>
/// <param name="newItem">The new item to insert into the list.</param>
internal void Replace(CodeUnit originalItem, CodeUnit newItem)
{
Param.AssertNotNull(originalItem, "originalItem");
Param.AssertNotNull(newItem, "newItem");
CsLanguageService.Debug.Assert(
originalItem.ParentReference == this.parentReference,
"The original item is not a member of this collection.");
CsLanguageService.Debug.Assert(
newItem.ParentReference == null,
"The new item has already been added to a different collection and must be removed from the that collection before it can be added to this one.");
if (this.items == null)
{
this.items = new CodeUnitLinkedList();
}
this.items.Replace(originalItem, newItem);
originalItem.ParentReference = null;
newItem.ParentReference = this.parentReference;
}
/// <summary>
/// Inserts an item at the beginning of the collection.
/// </summary>
/// <param name="item">The item to add to the collection.</param>
internal void InsertFirst(CodeUnit item)
{
Param.AssertNotNull(item, "item");
CsLanguageService.Debug.Assert(
item.ParentReference == null,
"The code unit has already been added to a different collection and must be removed from the that collection before it can be added to this one.");
if (this.items == null)
{
this.items = new CodeUnitLinkedList();
}
if (this.items.Count == 0)
{
this.items.Add(item);
}
else
{
this.items.InsertBefore(item, this.First);
}
item.ParentReference = this.parentReference;
}
