public override void GoToMetadata(GoToMetadataKind mdKind)
{
var origPos = HexView.Caret.Position.Position.ActivePosition.BufferPosition;
var mdHeaders = TryGetMetadataHeaders(origPos);
if (mdHeaders == null)
{
return;
}
var peHeaders = TryGetPeHeaders(origPos);
if (peHeaders == null && mdKind == GoToMetadataKind.MemberRva)
{
mdKind = GoToMetadataKind.Table;
}
var data = new GoToMetadataVM(HexView.Buffer, mdHeaders, peHeaders, HexView.Buffer.ReadUInt32(origPos));
data.GoToMetadataKind = mdKind;
var win = new GoToMetadataDlg();
win.DataContext = data;
win.Owner = OwnerWindow;
if (win.ShowDialog() != true)
{
return;
}
var span = GetGoToMetadataSpan(mdHeaders, peHeaders, data.OffsetTokenValue, data.GoToMetadataKind);
Debug.Assert(span != null);
if (span == null)
{
return;
}
var info = UserValueToSelection(span.Value.End, span.Value.Start);
MoveTo(new HexBufferPoint(HexView.Buffer, info.Anchor), new HexBufferPoint(HexView.Buffer, info.Active), new HexBufferPoint(HexView.Buffer, info.Caret), select: false);
}
public abstract void GoToMetadata(GoToMetadataKind mdKind);
HexSpan?GetGoToMetadataSpan(DotNetMetadataHeaders mdHeaders, PeHeaders peHeaders, uint offsetTokenValue, GoToMetadataKind mdKind)
{
MDTable mdTable;
switch (mdKind)
{
case GoToMetadataKind.Blob:
if (mdHeaders.BlobStream == null)
{
return(null);
}
return(new HexSpan(mdHeaders.BlobStream.Span.Span.Start + offsetTokenValue, 0));
case GoToMetadataKind.Strings:
if (mdHeaders.StringsStream == null)
{
return(null);
}
return(new HexSpan(mdHeaders.StringsStream.Span.Span.Start + offsetTokenValue, 0));
case GoToMetadataKind.US:
if (mdHeaders.USStream == null)
{
return(null);
}
return(new HexSpan(mdHeaders.USStream.Span.Span.Start + (offsetTokenValue & 0x00FFFFFF), 0));
case GoToMetadataKind.GUID:
if (mdHeaders.GUIDStream == null)
{
return(null);
}
return(new HexSpan(mdHeaders.GUIDStream.Span.Span.Start + (offsetTokenValue - 1) * 16, 16));
case GoToMetadataKind.Table:
mdTable = GetMDTable(mdHeaders, offsetTokenValue);
if (mdTable == null)
{
return(null);
}
return(new HexSpan(mdTable.Span.Start + ((offsetTokenValue & 0x00FFFFFF) - 1) * mdTable.RowSize, mdTable.RowSize));
case GoToMetadataKind.MemberRva:
if (peHeaders == null)
{
return(null);
}
mdTable = GetMDTable(mdHeaders, offsetTokenValue);
if (mdTable == null)
{
return(null);
}
if (mdTable.Table != Table.Method && mdTable.Table != Table.FieldRVA)
{
return(null);
}
// Column 0 is the RVA in both Method and FieldRVA tables
var pos = mdTable.Span.Start + ((offsetTokenValue & 0x00FFFFFF) - 1) * mdTable.RowSize;
var rva = HexView.Buffer.ReadUInt32(pos);
return(new HexSpan(peHeaders.RvaToBufferPosition(rva), 0));
default: throw new InvalidOperationException();
}
}
public GoToMetadataKindVM(GoToMetadataKind kind, string text, string inputGestureText)
{
Kind = kind;
Text = text;
InputGestureText = inputGestureText;
}
