public MarshalSig GetMarshalSig(uint index)
{
MarshalSig ms = m_signatures [index] as MarshalSig;
if (ms == null)
{
byte [] data = m_root.Streams.BlobHeap.Read(index);
ms = ReadMarshalSig(data);
m_signatures [index] = ms;
}
return(ms);
}
void Write(MarshalSig ms)
{
Write((int)ms.NativeInstrinsic);
switch (ms.NativeInstrinsic)
{
case NativeType.ARRAY:
MarshalSig.Array ar = (MarshalSig.Array)ms.Spec;
Write((int)ar.ArrayElemType);
if (ar.ParamNum != -1)
{
Write(ar.ParamNum);
}
if (ar.NumElem != -1)
{
Write(ar.NumElem);
}
if (ar.ElemMult != -1)
{
Write(ar.ElemMult);
}
break;
case NativeType.CUSTOMMARSHALER:
MarshalSig.CustomMarshaler cm = (MarshalSig.CustomMarshaler)ms.Spec;
Write(cm.Guid);
Write(cm.UnmanagedType);
Write(cm.ManagedType);
Write(cm.Cookie);
break;
case NativeType.FIXEDARRAY:
MarshalSig.FixedArray fa = (MarshalSig.FixedArray)ms.Spec;
Write(fa.NumElem);
if (fa.ArrayElemType != NativeType.NONE)
{
Write((int)fa.ArrayElemType);
}
break;
case NativeType.SAFEARRAY:
Write((int)((MarshalSig.SafeArray)ms.Spec).ArrayElemType);
break;
case NativeType.FIXEDSYSSTRING:
Write(((MarshalSig.FixedSysString)ms.Spec).Size);
break;
}
}
MarshalSig ReadMarshalSig(byte [] data)
{
MarshalSig ms = new MarshalSig((NativeType)data[0]);
int start = 1;
switch (ms.NativeInstrinsic)
{
case NativeType.ARRAY:
MarshalSig.Array ar = new MarshalSig.Array();
ar.ArrayElemType = (NativeType)Utilities.ReadCompressedInteger(data, start, out start);
if (start < data.Length)
{
ar.ParamNum = Utilities.ReadCompressedInteger(data, start, out start);
}
if (start < data.Length)
{
ar.NumElem = Utilities.ReadCompressedInteger(data, start, out start);
}
if (start < data.Length)
{
ar.ElemMult = Utilities.ReadCompressedInteger(data, start, out start);
}
ms.Spec = ar;
break;
case NativeType.CUSTOMMARSHALER:
MarshalSig.CustomMarshaler cm = new MarshalSig.CustomMarshaler();
cm.Guid = ReadUTF8String(data, start, out start);
cm.UnmanagedType = ReadUTF8String(data, start, out start);
cm.ManagedType = ReadUTF8String(data, start, out start);
cm.Cookie = ReadUTF8String(data, start, out start);
ms.Spec = cm;
break;
case NativeType.FIXEDARRAY:
MarshalSig.FixedArray fa = new MarshalSig.FixedArray();
fa.NumElem = Utilities.ReadCompressedInteger(data, start, out start);
if (start < data.Length)
{
fa.ArrayElemType = (NativeType)Utilities.ReadCompressedInteger(data, start, out start);
}
ms.Spec = fa;
break;
case NativeType.SAFEARRAY:
MarshalSig.SafeArray sa = new MarshalSig.SafeArray();
if (start < data.Length)
{
sa.ArrayElemType = (VariantType)Utilities.ReadCompressedInteger(data, start, out start);
}
ms.Spec = sa;
break;
case NativeType.FIXEDSYSSTRING:
MarshalSig.FixedSysString fss = new MarshalSig.FixedSysString();
if (start < data.Length)
{
fss.Size = Utilities.ReadCompressedInteger(data, start, out start);
}
ms.Spec = fss;
break;
}
return(ms);
}
public uint AddMarshalSig(MarshalSig ms)
{
m_sigWriter.Empty();
Write(ms);
return(GetPointer());
}