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//
// XObject.cs
//
// Author:
// Michael Hutchinson <mhutchinson@novell.com>
//
// Copyright (C) 2008 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System.Collections.Generic;
using System.Text;
using MonoDevelop.Ide.Editor;
namespace MonoDevelop.Xml.Dom
{
public abstract class XObject
{
DocumentRegion region;
protected XObject (DocumentLocation start)
{
region = new DocumentRegion (start, DocumentLocation.Empty);
}
protected XObject (DocumentRegion region)
{
this.region = region;
}
public XObject Parent { get; internal protected set; }
public IEnumerable<XNode> Parents {
get {
XNode next = Parent as XNode;
while (next != null) {
yield return next;
next = next.Parent as XNode;
}
}
}
public DocumentRegion Region {
get { return region; }
}
public void End (DocumentLocation endLocation)
{
region = new DocumentRegion (region.Begin, endLocation);
}
public bool IsEnded {
get { return region.End > region.Begin; }
}
public virtual bool IsComplete {
get { return region.End > region.Begin; }
}
public virtual void BuildTreeString (StringBuilder builder, int indentLevel)
{
builder.Append (' ', indentLevel * 2);
builder.AppendFormat (ToString ());
builder.AppendLine ();
}
public override string ToString ()
{
return string.Format ("[{0} Location='{1}']", GetType (), Region);
}
//creates a parallel tree -- should NOT retain references into old tree
public XObject ShallowCopy ()
{
XObject copy = NewInstance ();
copy.ShallowCopyFrom (this);
return copy;
}
protected abstract XObject NewInstance ();
protected virtual void ShallowCopyFrom (XObject copyFrom)
{
region = copyFrom.region; //immutable value type
}
protected XObject () {}
public virtual string FriendlyPathRepresentation {
get { return GetType ().ToString (); }
}
}
}
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