/// <summary>
/// Obtains a collection of generic parameter metadata rows for the specified
/// table and index.
/// </summary>
/// <param name="table">The table to get the details for.</param>
/// <param name="index">The index of that table to get the details for.</param>
/// <returns>A list of generic parameters for the specified details.</returns>
/// <remarks>
/// This method will iterate over the GenericParam metadata table and search
/// for entries whose parent is the specified table and index and return them.
/// </remarks>
/// <exception cref="InvalidOperationException">
/// The <paramref name="table"/> and <paramref name="index"/> are invalid, please
/// see the exception details for more information.
/// </exception>
public List <GenericParamMetadataTableRow> GetGenericParametersFor(MetadataTables table, int index)
{
if (table != MetadataTables.TypeDef && table != MetadataTables.MethodDef)
{
throw new InvalidOperationException(Resources.ExceptionMessages.Ex_GenericParametersNotValid);
}
List <GenericParamMetadataTableRow> genericParameters = new List <GenericParamMetadataTableRow>();
if (this.ContainsKey(MetadataTables.GenericParam))
{
MetadataRow[] rows = this[MetadataTables.GenericParam];
int count = rows.Length;
for (int i = 0; i < count; i++)
{
GenericParamMetadataTableRow current = rows[i] as GenericParamMetadataTableRow;
CodedIndex owner = current.Owner;
if (owner.Index == index && owner.Table == table)
{
genericParameters.Add(current);
}
}
}
return(genericParameters);
}
internal MetadataStream(PeCoffFile file, uint address)
{
_owningFile = file;
byte[] contents = file.FileContents;
Offset offset = (int)address;
offset.Shift(4); // reserved1 = BitConverter.ToUInt32(contents, offset.Shift(4));
offset.Shift(1); // majorVersion = contents[offset.Shift(1)];
offset.Shift(1); // minorVersion = contents[offset.Shift(1)];
_heapOffsetSizes = (HeapOffsetSizes)contents.GetValue(offset.Shift(1));
offset.Shift(1); // reserved2 = contents[offset.Shift(1)];
ulong valid = BitConverter.ToUInt64(contents, offset.Shift(8));
offset.Shift(8); // sorted = BitConverter.ToUInt64(contents, offset.Shift(8));
// Now we need to read the number of rows present in the available tables, we have
// had to add the unused tables to the MEtadatTables as mscorlib seems to use one. Not
// sure which though.
Dictionary <MetadataTables, int> rowsInPresentTables = new Dictionary <MetadataTables, int>();
Array values = Enum.GetValues(typeof(MetadataTables));
for (int i = 0; i < values.Length - 1; i++)
{
MetadataTables current = (MetadataTables)values.GetValue(i);
ulong mask = (ulong)1 << (int)current;
if ((mask & valid) == mask)
{
rowsInPresentTables.Add(current, BitConverter.ToInt32(contents, offset.Shift(4)));
}
}
// build index helper classes for metadata row creation
ICodedIndexResolver resolver = new CodedIndexResolver(rowsInPresentTables);
IIndexDetails indexDetails = new IndexDetails(rowsInPresentTables,
SizeOfStringIndexes,
SizeOfBlobIndexes,
SizeOfGuidIndexes
);
// Following the array of row size we get the actual metadata tables
_tables = new MetadataTablesDictionary(rowsInPresentTables.Count);
for (int i = 0; i < values.Length; i++)
{
MetadataTables current = (MetadataTables)values.GetValue(i);
if (!rowsInPresentTables.ContainsKey(current))
{
continue;
}
int numRows = rowsInPresentTables[current];
MetadataRow[] rows = new MetadataRow[numRows];
switch (current)
{
case MetadataTables.Module:
for (int j = 0; j < numRows; j++)
{
rows[j] = new ModuleMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.TypeRef:
for (int j = 0; j < numRows; j++)
{
rows[j] = new TypeRefMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.TypeDef:
for (int j = 0; j < numRows; j++)
{
rows[j] = new TypeDefMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.Field:
for (int j = 0; j < numRows; j++)
{
rows[j] = new FieldMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.MethodDef:
for (int j = 0; j < numRows; j++)
{
rows[j] = new MethodMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.Param:
for (int j = 0; j < numRows; j++)
{
rows[j] = new ParamMetadataTableRow(contents, offset, SizeOfStringIndexes);
}
break;
case MetadataTables.InterfaceImpl:
for (int j = 0; j < numRows; j++)
{
rows[j] = new InterfaceImplMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.MemberRef:
for (int j = 0; j < numRows; j++)
{
rows[j] = new MemberRefMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.Constant:
for (int j = 0; j < numRows; j++)
{
rows[j] = new ConstantMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.CustomAttribute:
for (int j = 0; j < numRows; j++)
{
rows[j] = new CustomAttributeMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.FieldMarshal:
for (int j = 0; j < numRows; j++)
{
rows[j] = new FieldMarshalMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.DeclSecurity:
for (int j = 0; j < numRows; j++)
{
rows[j] = new DeclSecurityMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.ClassLayout:
for (int j = 0; j < numRows; j++)
{
rows[j] = new ClassLayoutMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.FieldLayout:
for (int j = 0; j < numRows; j++)
{
rows[j] = new FieldLayoutMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.StandAloneSig:
for (int j = 0; j < numRows; j++)
{
rows[j] = new StandAloneSigMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.EventMap:
for (int j = 0; j < numRows; j++)
{
rows[j] = new EventMapMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.Event:
for (int j = 0; j < numRows; j++)
{
rows[j] = new EventMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.PropertyMap:
for (int j = 0; j < numRows; j++)
{
rows[j] = new PropertyMapMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.Property:
for (int j = 0; j < numRows; j++)
{
rows[j] = new PropertyMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.MethodSemantics:
for (int j = 0; j < numRows; j++)
{
rows[j] = new MethodSemanticsMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.MethodImpl:
for (int j = 0; j < numRows; j++)
{
rows[j] = new MethodImplMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.ModuleRef:
for (int j = 0; j < numRows; j++)
{
rows[j] = new ModuleRefMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.TypeSpec:
for (int j = 0; j < numRows; j++)
{
rows[j] = new TypeSpecMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.ImplMap:
for (int j = 0; j < numRows; j++)
{
rows[j] = new ImplMapMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.FieldRVA:
for (int j = 0; j < numRows; j++)
{
rows[j] = new FieldRVAMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.Assembly:
for (int j = 0; j < numRows; j++)
{
rows[j] = new AssemblyMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.AssemblyProcessor:
for (int j = 0; j < numRows; j++)
{
rows[j] = new AssemblyProcessorMetadataTableRow(contents, offset);
}
break;
case MetadataTables.AssemblyOS:
for (int j = 0; j < numRows; j++)
{
rows[j] = new AssemblyOSMetadataTableRow(contents, offset);
}
break;
case MetadataTables.AssemblyRef:
for (int j = 0; j < numRows; j++)
{
rows[j] = new AssemblyRefMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.AssemblyRefProcessor:
for (int j = 0; j < numRows; j++)
{
rows[j] = new AssemblyRefProcessorMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.AssemblyRefOS:
for (int j = 0; j < numRows; j++)
{
rows[j] = new AssemblyRefOSMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.File:
for (int j = 0; j < numRows; j++)
{
rows[j] = new FileMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.ExportedType:
for (int j = 0; j < numRows; j++)
{
rows[j] = new ExportedTypeMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.ManifestResource:
for (int j = 0; j < numRows; j++)
{
rows[j] = new ManifestResourceMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.NestedClass:
for (int j = 0; j < numRows; j++)
{
rows[j] = new NestedClassMetadataTableRow(contents, offset, indexDetails);
}
break;
case MetadataTables.GenericParam:
for (int j = 0; j < numRows; j++)
{
rows[j] = new GenericParamMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.MethodSpec:
for (int j = 0; j < numRows; j++)
{
rows[j] = new MethodSpecMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
case MetadataTables.GenericParamConstraint:
for (int j = 0; j < numRows; j++)
{
rows[j] = new GenericParamConstraintMetadataTableRow(contents, offset, resolver, indexDetails);
}
break;
}
_tables.SetMetadataTable(current, rows);
}
}
