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/*
* Patches, a supporting class for Diffs
*/
using System;
using System.Collections;
using System.IO;
using System.Text;
using System.Xml;
namespace MonoDevelop.Components.Diff {
public class Patch : IEnumerable {
Hunk[] hunks;
internal Patch(Hunk[] hunks) {
this.hunks = hunks;
}
public class Hunk {
object[] rightData;
int leftstart, leftcount, rightstart, rightcount;
bool same;
internal Hunk(object[] rightData, int st, int c, int rs, int rc, bool s) {
this.rightData = rightData;
leftstart = st;
leftcount = c;
rightstart = rs;
rightcount = rc;
same = s;
}
public bool Same { get { return same; } }
public int Start { get { return leftstart; } }
public int Count { get { return leftcount; } }
public int End { get { return leftstart+leftcount-1; } }
public IList Right { get { if (same) return null; return new Range(rightData, rightstart, rightcount); } }
}
IEnumerator IEnumerable.GetEnumerator() {
return hunks.GetEnumerator();
}
public IList Apply(IList original) {
ArrayList right = new ArrayList();
foreach (Hunk hunk in this) {
if (hunk.Same)
right.AddRange(new Range(original, hunk.Start, hunk.Count));
else
right.AddRange(hunk.Right);
}
return right;
}
}
}
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