internal TextReplaceAction AddChange(int offset, int removedChars, string insertedText)
{
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset", "Should be >= 0");
}
if (offset >= document.TextLength)
{
throw new ArgumentOutOfRangeException("offset", "Should be < document.TextLength");
}
if (removedChars < 0)
{
throw new ArgumentOutOfRangeException("removedChars", "Should be >= 0");
}
if (removedChars > offset + document.TextLength)
{
throw new ArgumentOutOfRangeException("removedChars", "Tried to remove beyond end of text");
}
if (removedChars == 0 && string.IsNullOrEmpty(insertedText))
{
return(null);
}
var action = new TextReplaceAction(offset, removedChars, insertedText);
changes.Add(action);
return(action);
}
public override bool Equals(object obj)
{
TextReplaceAction other = obj as TextReplaceAction;
if (other == null)
{
return(false);
}
return(this.Offset == other.Offset && this.RemovalLength == other.RemovalLength && this.NewText == other.NewText);
}
TextReplaceAction AddChange(int offset, int removedChars, string insertedText)
{
if (removedChars == 0 && string.IsNullOrEmpty(insertedText))
{
return(null);
}
var action = new TextReplaceAction(offset, removedChars, insertedText);
changes.Add(action);
return(action);
}
public void ApplyChanges(int startOffset, int length, Action <int, int, string> documentReplace, Func <int, int, string, bool> filter = null)
{
int endOffset = startOffset + length;
TextReplaceAction previousChange = null;
int delta = 0;
var depChanges = new List <TextReplaceAction> ();
changes.Sort(new ReplaceActionComparer());
foreach (var change in changes)
{
if (previousChange != null)
{
if (change.Equals(previousChange))
{
// ignore duplicate changes
continue;
}
if (change.Offset < previousChange.Offset + previousChange.RemovalLength)
{
var sb = new StringBuilder();
#if DEBUG
sb.AppendLine("change 1:" + change + " at " + document.ToLocation(change.Offset));
sb.AppendLine(change.StackTrace);
sb.AppendLine("change 2:" + previousChange + " at " + document.ToLocation(previousChange.Offset));
sb.AppendLine(previousChange.StackTrace);
#endif
sb.AppendLine("Detected overlapping changes " + change + "/" + previousChange);
throw new InvalidOperationException(sb.ToString());
}
}
previousChange = change;
bool skipChange = change.Offset <startOffset || change.Offset> endOffset;
skipChange |= filter != null && filter(change.Offset + delta, change.RemovalLength, change.NewText);
skipChange &= !depChanges.Contains(change);
if (!skipChange)
{
documentReplace(change.Offset + delta, change.RemovalLength, change.NewText);
delta += change.NewText.Length - change.RemovalLength;
/*if (change.DependsOn != null) {
* depChanges.Add(change.DependsOn);
* }*/
}
}
changes.Clear();
}
public void ApplyChanges(int startOffset, int length, Action <int, int, string> documentReplace, Func <int, int, string, bool> filter = null)
{
int endOffset = startOffset + length;
// Console.WriteLine ("apply:"+ startOffset + "->" + endOffset);
// Console.WriteLine (document.Text.Substring (0, startOffset) + new string ('x',length) + document.Text.Substring (startOffset+ length));
TextReplaceAction previousChange = null;
int delta = 0;
var depChanges = new List <TextReplaceAction> ();
foreach (var change in changes.OrderBy(c => c.Offset))
{
if (previousChange != null)
{
if (change.Equals(previousChange))
{
// ignore duplicate changes
continue;
}
if (change.Offset < previousChange.Offset + previousChange.RemovalLength)
{
throw new InvalidOperationException("Detected overlapping changes " + change + "/" + previousChange);
}
}
previousChange = change;
bool skipChange = change.Offset + change.RemovalLength <startOffset || change.Offset> endOffset;
skipChange |= filter != null && filter(change.Offset + delta, change.RemovalLength, change.NewText);
skipChange &= !depChanges.Contains(change);
if (!skipChange)
{
documentReplace(change.Offset + delta, change.RemovalLength, change.NewText);
delta += change.NewText.Length - change.RemovalLength;
if (change.DependsOn != null)
{
depChanges.Add(change.DependsOn);
}
}
}
changes.Clear();
}
TextReplaceAction AddChange(int offset, int removedChars, string insertedText)
{
if (removedChars == 0 && string.IsNullOrEmpty (insertedText))
return null;
var action = new TextReplaceAction (offset, removedChars, insertedText);
changes.Add(action);
return action;
}
