/**
* Emulate GNU diff's format.
* Header: @@ -382,8 +481,9 @@
* Indices are printed as 1-based, not 0-based.
* @return The GNU diff string.
*/
public override string ToString()
{
string coords1, coords2;
if (this.length1 == 0)
{
coords1 = this.start1 + ",0";
}
else if (this.length1 == 1)
{
coords1 = Convert.ToString(this.start1 + 1);
}
else
{
coords1 = (this.start1 + 1) + "," + this.length1;
}
if (this.length2 == 0)
{
coords2 = this.start2 + ",0";
}
else if (this.length2 == 1)
{
coords2 = Convert.ToString(this.start2 + 1);
}
else
{
coords2 = (this.start2 + 1) + "," + this.length2;
}
StringBuilder text = new StringBuilder();
text.Append("@@ -").Append(coords1).Append(" +").Append(coords2)
.Append(" @@\n");
// Escape the body of the patch with %xx notation.
foreach (Diff aDiff in this.diffs)
{
switch (aDiff.operation)
{
case Operation.INSERT:
text.Append('+');
break;
case Operation.DELETE:
text.Append('-');
break;
case Operation.EQUAL:
text.Append(' ');
break;
}
text.Append(DiffMatchPatch.encodeURI(aDiff.text)).Append("\n");
}
return(text.ToString());
}