public Line(DiffPiece a, DiffPiece b, ChangeType type, int position)
{
AText = a.Text;
BText = b.Text;
Position = position + 1;
Type = type;
this.BackGroundColor = type == ChangeType.Modified ? "#D3D3D3" : "#fff";
}
private static void BuildDiffPieces(DiffResult diffResult, List<DiffPiece> oldPieces, List<DiffPiece> newPieces, PieceBuilder subPieceBuilder)
{
int aPos = 0;
int bPos = 0;
foreach (var diffBlock in diffResult.DiffBlocks)
{
while (bPos < diffBlock.InsertStartB && aPos < diffBlock.DeleteStartA)
{
oldPieces.Add(new DiffPiece(diffResult.PiecesOld[aPos], ChangeType.Unchanged, aPos + 1));
newPieces.Add(new DiffPiece(diffResult.PiecesNew[bPos], ChangeType.Unchanged, bPos + 1));
aPos++;
bPos++;
}
int i = 0;
for (; i < Math.Min(diffBlock.DeleteCountA, diffBlock.InsertCountB); i++)
{
var oldPiece = new DiffPiece(diffResult.PiecesOld[i + diffBlock.DeleteStartA], ChangeType.Modified, aPos + 1);
var newPiece = new DiffPiece(diffResult.PiecesNew[i + diffBlock.InsertStartB], ChangeType.Modified, bPos + 1);
if (subPieceBuilder != null)
{
subPieceBuilder(diffResult.PiecesOld[aPos], diffResult.PiecesNew[bPos], oldPiece.SubPieces, newPiece.SubPieces);
newPiece.Type = oldPiece.Type = ChangeType.Modified;
}
oldPieces.Add(oldPiece);
newPieces.Add(newPiece);
aPos++;
bPos++;
}
if (diffBlock.DeleteCountA > diffBlock.InsertCountB)
{
for (; i < diffBlock.DeleteCountA; i++)
{
oldPieces.Add(new DiffPiece(diffResult.PiecesOld[i + diffBlock.DeleteStartA], ChangeType.Modified, aPos + 1));
newPieces.Add(new DiffPiece(null, ChangeType.Modified, aPos + 1));
aPos++;
}
}
else
{
for (; i < diffBlock.InsertCountB; i++)
{
newPieces.Add(new DiffPiece(diffResult.PiecesNew[i + diffBlock.InsertStartB], ChangeType.Modified, bPos + 1));
oldPieces.Add(new DiffPiece(null, ChangeType.Modified, bPos + 1));
bPos++;
}
}
}
while (bPos < diffResult.PiecesNew.Length && aPos < diffResult.PiecesOld.Length)
{
oldPieces.Add(new DiffPiece(diffResult.PiecesOld[aPos], ChangeType.Unchanged, aPos + 1));
newPieces.Add(new DiffPiece(diffResult.PiecesNew[bPos], ChangeType.Unchanged, bPos + 1));
aPos++;
bPos++;
}
}
