void TrackDocument_TextChanged(object sender, MonoDevelop.Core.Text.TextChangeEventArgs e)
{
for (int i = 0; i < e.TextChanges.Count; ++i)
{
var change = e.TextChanges[i];
var startLine = trackDocument.GetLineByOffset(change.NewOffset);
var endLine = trackDocument.GetLineByOffset(change.NewOffset + change.InsertionLength);
var lineNumber = startLine.LineNumber;
var oldState = lineNumber < lineStates.Count ? lineStates [lineNumber] : null;
if (oldState != null && oldState.state == TextDocument.LineState.Dirty)
{
continue;
}
var insertedLines = endLine.LineNumber - lineNumber;
try {
lineStates [lineNumber] = new LineChangeInfo(Mono.TextEditor.TextDocument.LineState.Dirty);
if (trackDocument != null)
{
trackDocument.CommitLineUpdate(lineNumber);
}
while (insertedLines-- > 0)
{
lineStates.Insert(lineNumber, new LineChangeInfo(Mono.TextEditor.TextDocument.LineState.Dirty));
}
} catch (Exception ex) {
Console.WriteLine("error while DiffTracker.TrackDocument_TextChanged:" + ex);
}
}
}
LineChangeInfo TransformLineChangeInfo(LineChangeInfo info)
{
if (info.Change == ChangeType.Unsaved)
info.Change = ChangeType.Added;
return info;
}
void HandleLineChanged(object sender, LineEventArgs e)
{
var lineNumber = e.Line.LineNumber;
try {
if (lineStates [lineNumber].state == Mono.TextEditor.TextDocument.LineState.Dirty)
{
return;
}
lineStates [lineNumber] = new LineChangeInfo(Mono.TextEditor.TextDocument.LineState.Dirty);
if (trackDocument != null)
{
trackDocument.CommitLineUpdate(lineNumber);
}
} catch (Exception ex) {
Console.WriteLine("error while DiffTracker.HandleLineChanged:" + ex);
}
}
void TrackDocument_TextChanged(object sender, MonoDevelop.Core.Text.TextChangeEventArgs e)
{
var startLine = trackDocument.GetLineByOffset(e.Offset);
var endLine = trackDocument.GetLineByOffset(e.Offset + e.InsertionLength);
var lineNumber = startLine.LineNumber;
var insertedLines = endLine.LineNumber - lineNumber;
try {
lineStates [lineNumber] = new LineChangeInfo(Mono.TextEditor.TextDocument.LineState.Dirty);
if (trackDocument != null)
{
trackDocument.CommitLineUpdate(lineNumber);
}
while (insertedLines-- > 0)
{
lineStates.Insert(lineNumber, new LineChangeInfo(Mono.TextEditor.TextDocument.LineState.Dirty));
}
} catch (Exception ex) {
Console.WriteLine("error while DiffTracker.TrackDocument_TextChanged:" + ex);
}
}
void ILineTracker.LineInserted(DocumentLine insertionPos, DocumentLine newLine)
{
int index = insertionPos.LineNumber;
var newLineInfo = new LineChangeInfo(ChangeType.Unsaved, index, index);
changeList[index] = newLineInfo;
changeList.Insert(index + 1, newLineInfo);
}
void SetupInitialFileState(bool update)
{
if (baseDocument == null) {
if (update)
changeList.Transform(TransformLineChangeInfo);
else
changeList.InsertRange(0, document.TotalNumberOfLines + 1, LineChangeInfo.Empty);
} else {
changeList.Clear();
Dictionary<string, int> hashes = new Dictionary<string, int>();
MyersDiff.MyersDiff diff = new MyersDiff.MyersDiff(
new DocumentSequence(baseDocument, hashes),
new DocumentSequence(document, hashes)
);
changeList.Add(LineChangeInfo.Empty);
int lastEndLine = 0;
foreach (Edit edit in diff.GetEdits()) {
int beginLine = edit.BeginB;
int endLine = edit.EndB;
changeList.InsertRange(changeList.Count, beginLine - lastEndLine, LineChangeInfo.Empty);
LineChangeInfo change = new LineChangeInfo(edit.EditType, edit.BeginA, edit.BeginB, edit.EndA, edit.EndB);
if (endLine == beginLine)
changeList[changeList.Count - 1] = change;
else
changeList.InsertRange(changeList.Count, endLine - beginLine, change);
lastEndLine = endLine;
}
changeList.InsertRange(changeList.Count, textDocument.LineCount - lastEndLine, LineChangeInfo.Empty);
}
OnChangeOccurred(EventArgs.Empty);
}
void HandleLineChanged (object sender, LineEventArgs e)
{
var lineNumber = e.Line.LineNumber;
try {
if (lineStates [lineNumber].state == Mono.TextEditor.TextDocument.LineState.Dirty)
return;
lineStates [lineNumber] = new LineChangeInfo (Mono.TextEditor.TextDocument.LineState.Dirty);
if (trackDocument != null)
trackDocument.CommitLineUpdate (lineNumber);
} catch (Exception ex) {
Console.WriteLine ("error while DiffTracker.HandleLineChanged:" + ex);
}
}
void SetupInitialFileState(bool update)
{
if (baseDocument == null) {
if (update)
changeList.Transform(TransformLineChangeInfo);
else
changeList.InsertRange(0, document.TotalNumberOfLines + 1, LineChangeInfo.Empty);
} else {
changeList.Clear();
Dictionary<string, int> hashes = new Dictionary<string, int>();
MyersDiff.MyersDiff diff = new MyersDiff.MyersDiff(
new DocumentSequence(baseDocument, hashes),
new DocumentSequence(document, hashes)
);
changeList.Add(new LineChangeInfo(ChangeType.None, ""));
int lastEndLine = 0;
foreach (Edit edit in diff.GetEdits()) {
int beginLine = edit.BeginB;
int endLine = edit.EndB;
changeList.InsertRange(changeList.Count, beginLine - lastEndLine, LineChangeInfo.Empty);
if (edit.EditType == ChangeType.Deleted) {
LineChangeInfo change = changeList[beginLine];
for (int i = edit.BeginA; i < edit.EndA; i++) {
var line = baseDocument.GetLine(i + 1);
change.DeletedLinesAfterThisLine += line.Text;
}
changeList[beginLine] = change;
} else {
var change = new LineChangeInfo(edit.EditType, "");
changeList.InsertRange(changeList.Count, endLine - beginLine, change);
}
lastEndLine = endLine;
}
changeList.InsertRange(changeList.Count, textDocument.LineCount - lastEndLine, LineChangeInfo.Empty);
}
OnChangeOccurred(EventArgs.Empty);
}
void ILineTracker.LineInserted(DocumentLine insertionPos, DocumentLine newLine)
{
int index = insertionPos.LineNumber;
var firstLine = changeList[index];
var newLineInfo = new LineChangeInfo(ChangeType.Unsaved, firstLine.DeletedLinesAfterThisLine);
firstLine.Change = ChangeType.Unsaved;
firstLine.DeletedLinesAfterThisLine = "";
changeList.Insert(index + 1, newLineInfo);
changeList[index] = firstLine;
}
