public FieldAndStructure(HexVM structure, HexField field)
{
if (structure == null)
{
throw new ArgumentNullException(nameof(structure));
}
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
Structure = structure;
Field = field;
}
public HexFieldReference(HexBufferFile file, HexVM structure, HexField field)
{
if (file == null)
{
throw new ArgumentNullException(nameof(file));
}
if (structure == null)
{
throw new ArgumentNullException(nameof(structure));
}
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
File = file;
Structure = structure;
Field = field;
}
public HexFieldReference(HexBufferFile file, HexVM structure, HexField field)
{
File = file ?? throw new ArgumentNullException(nameof(file));
Structure = structure ?? throw new ArgumentNullException(nameof(structure));
Field = field ?? throw new ArgumentNullException(nameof(field));
}
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 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 GetGuidDescription(HexField field) {
var g = ReadGuidHeap(field);
if (g != null)
return string.Format("{0} (#GUID Heap Index)", g.Value.ToString());
return "#GUID Heap Index";
}
string GetStringsDescription(HexField field) {
var s = ReadStringsHeap(field);
if (!string.IsNullOrEmpty(s))
return string.Format("{0} (#Strings Heap Offset)", s);
return "#Strings Heap Offset";
}
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);
}
