///<summary>
/// Updates the selection status bar with data from the specified DataView,
/// if the specified DataView is active
///</summary>
public void UpdateSelection(DataView dv)
{
if (dataBook.NPages == 0)
{
return;
}
DataView curdv = ((DataViewDisplay)dataBook.CurrentPageWidget).View;
if (curdv != dv)
{
return;
}
Bless.Util.Range sel = dv.Selection;
SelectionStatusbar.Pop(0);
string str;
if (sel.IsEmpty() == true)
{
str = Catalog.GetString("Selection: None");
}
else
{
string startString = BaseConverter.ConvertToString(sel.Start, numberBase, true, true, 1);
string endString = BaseConverter.ConvertToString(sel.End, numberBase, true, true, 1);
string sizeString = BaseConverter.ConvertToString(sel.Size, numberBase, true, true, 1);
str = string.Format(Catalog.GetString("Selection: {0} to {1}") + " " + Catalog.GetPluralString("({2} byte)", "({2} bytes)", (int)sel.Size),
startString, endString, sizeString);
}
SelectionStatusbar.Push(0, str);
}
protected override void DoOperation()
{
Util.Range m;
match = new Util.Range();
firstMatch = null;
numReplaced = 0;
strategy.Buffer.BeginActionChaining();
strategy.Buffer.ModifyAllowed = false;
strategy.Buffer.FileOperationsAllowed = false;
strategy.Buffer.EmitEvents = false;
while ((m = strategy.FindNext()) != null)
{
if (firstMatch == null)
{
firstMatch = new Util.Range(m);
}
match.Start = m.Start;
match.End = m.End;
lock (strategy.Buffer.LockObj) {
strategy.Buffer.ModifyAllowed = true;
strategy.Buffer.Replace(m.Start, m.End, replacePattern);
strategy.Buffer.ModifyAllowed = false;
}
// start next search after the replaced pattern
strategy.Position = m.Start + replacePattern.Length;
numReplaced++;
}
}
/// <summary>
/// Sets the current selection. It makes sure that the selection is sorted.
/// </summary>
public void SetSelection(long start, long end)
{
AreaGroup areaGroup = dvDisplay.Layout.AreaGroup;
// check whether the selection has really
// changed...
if (areaGroup.Areas.Count <= 0)
{
return;
}
Bless.Util.IRange sel = areaGroup.Selection;
// if there is no change, don't do anything
if (sel.Start == start && sel.End == end)
{
return;
}
Bless.Util.Range newSel = new Bless.Util.Range(start, end);
newSel.Sort();
areaGroup.Selection = newSel;
if (SelectionChanged != null)
{
SelectionChanged(this);
}
}
public void SplitAtomicTest()
{
Range r = new Range(0, 10);
Range s = new Range(4, 6);
Range[] ra = new Range[] { new Range(), new Range(), new Range() };
Assert.IsTrue(r.Equals(new Range(0, 10)), "#0");
Range.SplitAtomic(ra, r, s);
Assert.AreEqual(new Range(0, 3), ra[0], "#1.0");
Assert.AreEqual(new Range(4, 6), ra[1], "#1.1");
Assert.AreEqual(new Range(7, 10), ra[2], "#1.2");
s = new Range(0, 4);
Range.SplitAtomic(ra, r, s);
Assert.AreEqual(new Range(), ra[0], "#2.0");
Assert.AreEqual(new Range(0, 4), ra[1], "#2.1");
Assert.AreEqual(new Range(5, 10), ra[2], "#2.2");
s = new Range(6, 10);
Range.SplitAtomic(ra, r, s);
Assert.AreEqual(new Range(0, 5), ra[0], "#3.0");
Assert.AreEqual(new Range(6, 10), ra[1], "#3.1");
Assert.AreEqual(new Range(), ra[2], "#3.2");
s = new Range(0, 10);
Range.SplitAtomic(ra, r, s);
Assert.AreEqual(new Range(), ra[0], "#4.0");
Assert.AreEqual(new Range(0, 10), ra[1], "#4.1");
Assert.AreEqual(new Range(), ra[2], "#4.2");
}
private void UpdateSelection(bool abyss)
{
//System.Console.WriteLine("* (1) Start: {0},{1},{2} End: {3},{4},{5}", selStartPos.First, selStartPos.Second, selStartPos.Digit, selEndPos.First, selEndPos.Second, selEndPos.Digit);
Bless.Util.Range r;
if (selStartPos.Second <= selEndPos.First)
{
r = new Bless.Util.Range(ValidateOffset(selStartPos.Second), ValidateOffset(selEndPos.First));
}
else
{
r = new Bless.Util.Range(ValidateOffset(selEndPos.Second), ValidateOffset(selStartPos.First));
}
//System.Console.WriteLine("Selection is ({0}, {1}) Expected ({2}, {3})", dataView.Selection.Start, dataView.Selection.End, r.Start, r.End);
// if nothing is selected and cursor position has changed externally
if (dataView.Selection.IsEmpty() && dataView.CursorOffset != selStartPos.Second)
{
long offset = dataView.CursorOffset;
selStartPos.First = offset - (abyss ? 1 : 0);
selStartPos.Second = offset;
selStartPos.Digit = dataView.CursorDigit;
selEndPos = selStartPos;
//System.Console.WriteLine("* (2) Start: {0},{1},{2} End: {3},{4},{5}", selStartPos.First, selStartPos.Second, selStartPos.Digit, selEndPos.First, selEndPos.Second, selEndPos.Digit);
}
else if (!dataView.Selection.IsEmpty() && !r.Equals(dataView.Selection))
{
selStartPos.Second = dataView.Selection.Start;
selStartPos.First = selStartPos.Second - 1;
selEndPos.First = dataView.Selection.End;
selEndPos.Second = selEndPos.First + 1;
}
//System.Console.WriteLine("* Selection is ({0}, {1}) Expected ({2}, {3}) Fixed ({4}, {5})", dataView.Selection.Start, dataView.Selection.End, r.Start, r.End, selStartPos.Second, selEndPos.First);
}
///<summary>
/// Called when an asynchronous Find Next/Previous operation finishes.
///</summary>
void FindAsyncCallback(IAsyncResult ar)
{
GenericFindOperation state = (GenericFindOperation)ar.AsyncState;
ThreadedAsyncOperation.OperationResult result = state.Result;
Range match = state.Match;
DataView dv = null;
// find DataView that owns bb
foreach (DataViewDisplay dvtemp in dataBook.Children)
{
if (dvtemp.View.Buffer == strategy.Buffer)
{
dv = dvtemp.View;
break;
}
}
// decide what to do based on the result of the find operation
switch (result)
{
case ThreadedAsyncOperation.OperationResult.Finished:
if (match != null)
{
lastFound = match;
dv.SetSelection(match.Start, match.End); //System.Console.WriteLine("Found at {0}-{1}", r.Start, r.End);
dv.MoveCursor(match.End + 1, 0);
dv.Display.MakeOffsetVisible(match.Start, DataViewDisplay.ShowType.Closest);
}
else
{
lastFound.Clear();
}
break;
case ThreadedAsyncOperation.OperationResult.Cancelled:
dv.MoveCursor(strategy.Position, 0);
dv.Display.MakeOffsetVisible(strategy.Position, DataViewDisplay.ShowType.Closest);
break;
case ThreadedAsyncOperation.OperationResult.CaughtException:
break;
default:
break;
}
inUse = false;
// if user provided a callback, call it now
if (userFindAsyncCallback != null)
{
userFindAsyncCallback(ar);
}
// notify that the find operation has finished
findFinishedEvent.Set();
}
public GenericFindOperation(IFindStrategy ifs, ProgressCallback pc,
AsyncCallback ac) : base(pc, ac, true)
{
strategy = ifs;
strategy.Cancelled = false;
match = null;
}
public DataBookFinder(DataBook db, ProgressCallback pc)
{
// connect with databook
dataBook = db;
lastFound = new Bless.Util.Range();
firstTime = true;
inUse = false;
progressCallback = pc;
// initialize events
findFinishedEvent = new AutoResetEvent(false);
}
private void OnCopyOffsetActivated(object o, EventArgs args)
{
if (dataBook.NPages == 0)
{
return;
}
DataView dv = ((DataViewDisplay)dataBook.CurrentPageWidget).View;
saved_offset = dv.CursorOffset;
saved_selection = dv.Selection;
clipboard.SetWithData(clipboardTargets, new ClipboardGetFunc(OnClipboardGet),
new ClipboardClearFunc(OnClipboardClear));
}
public CopyOffsetPlugin(Window mw, UIManager uim)
{
mainWindow = mw;
uiManager = uim;
pluginPreferences = new CopyOffsetPreferences();
number_base = 10;
saved_offset = 0;
saved_selection = new Bless.Util.Range();
name = "CopyOffset";
author = "Alexandros Frantzis";
description = "Adds to copy the current offset (or range)";
loadAfter.Add("EditOperations");
}
///<summary>
/// Called when an asynchronous Replace All operation finishes.
///</summary>
void ReplaceAllAsyncCallback(IAsyncResult ar)
{
ReplaceAllOperation state = (ReplaceAllOperation)ar.AsyncState;
ThreadedAsyncOperation.OperationResult result = state.Result;
Range firstMatch = state.FirstMatch;
DataView dv = null;
// find DataView that owns bb
foreach (DataViewDisplay dvtemp in dataBook.Children)
{
if (dvtemp.View.Buffer == strategy.Buffer)
{
dv = dvtemp.View;
break;
}
}
// decide what to do based on the result of the Replace All operation
if (result == ThreadedAsyncOperation.OperationResult.Cancelled)
{
dv.Buffer.Undo();
}
// if we have replaced at least one occurence,
else if (result == ThreadedAsyncOperation.OperationResult.Finished && firstMatch != null)
{
lastFound = state.Match;
// save the cursor state for undo/redo
dv.CursorUndoDeque.AddFront(new CursorState(firstMatch.Start, 0, lastFound.Start + state.ReplacePattern.Length, 0));
// move cursor after final replacement
dv.SetSelection(-1, -1);
dv.MoveCursor(lastFound.Start + state.ReplacePattern.Length, 0);
dv.Display.MakeOffsetVisible(lastFound.Start + state.ReplacePattern.Length, DataViewDisplay.ShowType.Closest);
}
inUse = false;
// if user provided a callback, call it now
if (userFindAsyncCallback != null)
{
userFindAsyncCallback(ar);
}
// notify that the replace all operation has finished
findFinishedEvent.Set();
}
///<summary>Load the widget with data from the DataView's selection</summary>
public void LoadWithSelection(DataView dv)
{
// load selection only if it isn't very large
if (dv.Selection.Size > 0)
{
Bless.Util.Range sel = dv.Selection;
FromEntry.Text = sel.Start.ToString();
ToEntry.Text = sel.End.ToString();
}
else
{
FromEntry.Text = dv.CursorOffset.ToString();
}
FromEntry.GrabFocus();
}
public void SplitAtomic1Test()
{
Range r = new Range(10, 20);
Range s = new Range(8, 13);
Range[] ra = new Range[] { new Range(), new Range(), new Range() };
Range.SplitAtomic(ra, r, s);
Assert.AreEqual(new Range(), ra[0], "#1.0");
Assert.AreEqual(new Range(8, 13), ra[1], "#1.1");
Assert.AreEqual(new Range(14, 20), ra[2], "#1.2");
s = new Range(16, 26);
Range.SplitAtomic(ra, r, s);
Assert.AreEqual(new Range(10, 15), ra[0], "#2.0");
Assert.AreEqual(new Range(16, 26), ra[1], "#2.1");
Assert.AreEqual(new Range(), ra[2], "#2.2");
}
public void DifferenceTest()
{
Range r1 = new Range(5, 10);
Range r2 = new Range(6, 9);
Range r3 = new Range();
r1.Difference(r2, r3);
Assert.AreEqual(5, r1.Start, "#1");
Assert.AreEqual(5, r1.End, "#2");
Assert.AreEqual(10, r3.Start, "#3");
Assert.AreEqual(10, r3.End, "#4");
Range r4 = new Range(5, 10);
Range r5 = new Range(5, 8);
r4.Difference(r5, r3);
Assert.AreEqual(9, r4.Start, "#5");
Assert.AreEqual(10, r4.End, "#6");
Assert.AreEqual(true, r3.IsEmpty(), "#7");
}
public void IntersectTest()
{
Range r1 = new Range(5, 10);
Range r2 = new Range(6, 9);
r1.Intersect(r2);
Assert.AreEqual(6, r1.Start);
Assert.AreEqual(9, r1.End);
Range r3 = new Range(5, 10);
Range r4 = new Range(4, 8);
r3.Intersect(r4);
Assert.AreEqual(5, r3.Start);
Assert.AreEqual(8, r4.End);
Range r5 = new Range(5, 10);
Range r6 = new Range(10, 14);
r5.Intersect(r6);
Assert.AreEqual(10, r5.Start);
Assert.AreEqual(10, r5.End);
}
///<summary>Check if the specified range of bytes in a ByteBuffer equals a byte pattern</summary>
bool RangeEqualsPattern(ByteBuffer bb, Bless.Util.Range sel, byte[] pattern)
{
int i = 0;
int len = pattern.Length;
if (sel.IsEmpty())
{
return(false);
}
while (i < len && pattern[i] == bb[sel.Start + i])
{
i++;
}
if (i != len)
{
return(false);
}
else
{
return(true);
}
}
///<summary>Load the widget with data from the DataView's selection</summary>
public void LoadWithSelection(DataView dv)
{
ByteBuffer bb = dv.Buffer;
// load selection only if it isn't very large
if (this.Sensitive == true && dv.Selection.Size <= 1024 && dv.Selection.Size > 0)
{
Bless.Util.Range sel = dv.Selection;
byte[] ba = new byte[sel.Size];
for (int i = 0; i < sel.Size; i++)
{
ba[i] = bb[sel.Start + i];
}
bool decodingOk = false;
Area focusedArea = dv.FocusedArea;
if (focusedArea != null)
{
switch (focusedArea.Type)
{
case "ascii":
string result = Encoding.ASCII.GetString(ba);
// if the byte sequence cannot be displayed correctly
// as ascii, eg it contains a zero byte, use hexadecimal
if (result.IndexOf('\x00') != -1)
{
decodingOk = false;
}
else
{
SearchAsComboBox.Active = (int)ComboIndex.Text;
SearchPatternEntry.Text = result;
decodingOk = true;
}
break;
case "decimal":
SearchAsComboBox.Active = (int)ComboIndex.Decimal;
SearchPatternEntry.Text = ByteArray.ToString(ba, 10);
decodingOk = true;
break;
case "octal":
SearchAsComboBox.Active = (int)ComboIndex.Octal;
SearchPatternEntry.Text = ByteArray.ToString(ba, 8);
decodingOk = true;
break;
case "binary":
SearchAsComboBox.Active = (int)ComboIndex.Binary;
SearchPatternEntry.Text = ByteArray.ToString(ba, 2);
decodingOk = true;
break;
} // end switch
}
if (!decodingOk)
{
SearchAsComboBox.Active = (int)ComboIndex.Hexadecimal;
SearchPatternEntry.Text = ByteArray.ToString(ba, 16);
}
}
}
protected override void DoOperation()
{
match = strategy.FindNext();
}
