public int GetSourceMatchLength(int destIndex, int sourceIndex, int maxLength)
{
int matchCount;
for (matchCount = 0; matchCount < maxLength; matchCount++)
{
if (dest.GetByIndex(destIndex + matchCount).CompareTo(source.GetByIndex(sourceIndex + matchCount)) != 0)
{
break;
}
}
return(matchCount);
}
//比如当前新文件的当前行为第1行，与老版本的每一行进行比较。
private int GetSourceMatchLength(int destIndex, int sourceIndex, int maxLength)
{
int matchCount;
for (matchCount = 0; matchCount < maxLength; matchCount++)
{
if (_dest.GetByIndex(destIndex + matchCount).CompareTo(_source.GetByIndex(sourceIndex + matchCount)) != 0)
{
break;//如果比较：两个行不相同 就跳出循环
}
}
return(matchCount);
}
private void ShowResult(IDiffList source, IDiffList destination, ArrayList result)
{
int cnt = 1;
int i;
foreach (DiffResultSpan drs in result)
{
ListViewItem lviS;
ListViewItem lviD;
switch (drs.Status)
{
case DiffResultSpanStatus.DeleteSource:
for (i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(cnt.ToString("00000"));
lviD = new ListViewItem(cnt.ToString("00000"));
lviS.BackColor = Color.Red;
lviS.SubItems.Add(((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line);
lviD.BackColor = Color.LightGray;
lviD.SubItems.Add("");
lvSource.Items.Add(lviS);
lvDest.Items.Add(lviD);
cnt++;
}
break;
case DiffResultSpanStatus.NoChange:
for (i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(cnt.ToString("00000"));
lviD = new ListViewItem(cnt.ToString("00000"));
lviS.BackColor = Color.White;
lviS.SubItems.Add(((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line);
lviD.BackColor = Color.White;
lviD.SubItems.Add(((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line);
lvSource.Items.Add(lviS);
lvDest.Items.Add(lviD);
cnt++;
}
break;
case DiffResultSpanStatus.AddDestination:
for (i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(cnt.ToString("00000"));
lviD = new ListViewItem(cnt.ToString("00000"));
lviS.BackColor = Color.LightGray;
lviS.SubItems.Add("");
lviD.BackColor = Color.LightGreen;
lviD.SubItems.Add(((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line);
lvSource.Items.Add(lviS);
lvDest.Items.Add(lviD);
cnt++;
}
break;
case DiffResultSpanStatus.Replace:
for (i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(cnt.ToString("00000"));
lviD = new ListViewItem(cnt.ToString("00000"));
lviS.BackColor = Color.Red;
lviS.SubItems.Add(((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line);
lviD.BackColor = Color.LightGreen;
lviD.SubItems.Add(((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line);
lvSource.Items.Add(lviS);
lvDest.Items.Add(lviD);
cnt++;
}
break;
}
}
}
public Results(IDiffList source, IDiffList destination, ArrayList DiffLines, double seconds)
{
InitializeComponent();
this.Text = string.Format("Results: {0} secs.", seconds.ToString("#0.00"));
ListViewItem lviS;
ListViewItem lviD;
int cnt = 1;
int i;
foreach (DiffResultSpan drs in DiffLines)
{
switch (drs.Status)
{
case DiffResultSpanStatus.DeleteSource:
for (i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(cnt.ToString("00000"));
lviD = new ListViewItem(cnt.ToString("00000"));
lviS.BackColor = Color.Red;
lviS.SubItems.Add((source.GetByIndex(drs.SourceIndex + i)).ToString());
lviD.BackColor = Color.LightGray;
lviD.SubItems.Add("");
lvSource.Items.Add(lviS);
lvDestination.Items.Add(lviD);
cnt++;
}
break;
case DiffResultSpanStatus.NoChange:
for (i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(cnt.ToString("00000"));
lviD = new ListViewItem(cnt.ToString("00000"));
lviS.BackColor = Color.White;
lviS.SubItems.Add((source.GetByIndex(drs.SourceIndex + i)).ToString());
lviD.BackColor = Color.White;
lviD.SubItems.Add((destination.GetByIndex(drs.DestIndex + i)).ToString());
lvSource.Items.Add(lviS);
lvDestination.Items.Add(lviD);
cnt++;
}
break;
case DiffResultSpanStatus.AddDestination:
for (i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(cnt.ToString("00000"));
lviD = new ListViewItem(cnt.ToString("00000"));
lviS.BackColor = Color.LightGray;
lviS.SubItems.Add("");
lviD.BackColor = Color.LightGreen;
lviD.SubItems.Add((destination.GetByIndex(drs.DestIndex + i)).ToString());
lvSource.Items.Add(lviS);
lvDestination.Items.Add(lviD);
cnt++;
}
break;
case DiffResultSpanStatus.Replace:
for (i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(cnt.ToString("00000"));
lviD = new ListViewItem(cnt.ToString("00000"));
lviS.BackColor = Color.Red;
lviS.SubItems.Add((source.GetByIndex(drs.SourceIndex + i)).ToString());
lviD.BackColor = Color.LightGreen;
lviD.SubItems.Add((destination.GetByIndex(drs.DestIndex + i)).ToString());
lvSource.Items.Add(lviS);
lvDestination.Items.Add(lviD);
cnt++;
}
break;
}
}
}