public HexNode FindNode(HexVM structure, HexField field)
{
if (structure is MetaDataTableRecordVM mdTblRecord)
{
return(FindTokenNode(mdTblRecord.Token.Raw));
}
TreeNode.EnsureChildrenLoaded();
foreach (var child in TreeNode.DataChildren.OfType <HexNode>())
{
var node = child.FindNode(structure, field);
if (node != null)
{
return(node);
}
}
return(null);
}
public HexNode FindNode(HexVM structure, HexField field)
{
Debug.Assert(!(structure is MetaDataTableRecordVM), "Use " + nameof(PENode) + "'s method instead");
bool found = false;
foreach (var span in Spans)
{
if (span.Contains(field.Span))
{
found = true;
break;
}
}
if (!found)
{
return(null);
}
foreach (var vm in HexVMs)
{
foreach (var f in vm.HexFields)
{
if (f == field)
{
return(this);
}
}
}
TreeNode.EnsureChildrenLoaded();
foreach (var child in TreeNode.DataChildren.OfType <HexNode>())
{
var node = child.FindNode(structure, field);
if (node != null)
{
return(node);
}
}
return(null);
}
uint ReadFieldValue(HexField field) {
if (field.Size == 2)
return mdVM.Document.ReadUInt16(field.StartOffset);
else if (field.Size == 4)
return mdVM.Document.ReadUInt32(field.StartOffset);
return 0;
}
string GetCodedTokenDescription(CodedToken codedToken, string codedTokenName, ColumnInfo col, HexField field) {
MDToken token;
if (!codedToken.Decode(ReadFieldValue(field), out token))
return string.Format("Invalid {0} Coded Token", codedTokenName);
var info = GetInfo(token.Table, token.Rid);
if (string.IsNullOrEmpty(info))
return string.Format("{0}: {1}[{2}], 0x{3:X8})", codedTokenName, token.Table, token.Rid, token.Raw);
return string.Format("{0} ({1}: {2}[{3}], 0x{4:X8})", info, codedTokenName, token.Table, token.Rid, token.Raw);
}
string GetDescription(Table table, HexField field) {
var info = GetInfo(table, ReadFieldValue(field));
if (string.IsNullOrEmpty(info))
return string.Format("{0} RID", table);
return string.Format("{0} ({1} RID)", info, table);
}
string GetStringsDescription(HexField field) {
var s = ReadStringsHeap(field);
if (!string.IsNullOrEmpty(s))
return string.Format("{0} (#Strings Heap Offset)", s);
return "#Strings Heap Offset";
}
protected string ReadStringsHeap(HexField field) {
var s = NumberVMUtils.ToString(mdVM.ReadStringsHeap(ReadFieldValue(field)), false);
Debug.Assert(s.Length >= 2);
if (s.Length < 2)
return s;
return s.Substring(1, s.Length - 2);
}
uint ReadFieldValue(HexField field) {
if (field.Size == 2)
return mdVM.Buffer.ReadUInt16(field.Span.Start);
else if (field.Size == 4)
return mdVM.Buffer.ReadUInt32(field.Span.Start);
return 0;
}
string GetGuidDescription(HexField field) {
var g = ReadGuidHeap(field);
if (g != null)
return string.Format("{0} (#GUID Heap Index)", g.Value.ToString());
return "#GUID Heap Index";
}
Guid? ReadGuidHeap(HexField field) => mdVM.ReadGuidHeap(ReadFieldValue(field));
protected string ReadStringsHeap(HexField field) {
var s = SimpleTypeConverter.ToString(mdVM.ReadStringsHeap(ReadFieldValue(field)), false);
Debug.Assert(s.Length >= 2);
if (s.Length < 2)
return s;
return s.Substring(1, s.Length - 2);
}
