public void FromBytes(WspBuffer buffer)
{
vType = buffer.ToStruct <CBaseStorageVariant_vType_Values>();
reserved1 = buffer.ToStruct <ushort>();
reserved2 = buffer.ToStruct <uint>();
DecodeCount(buffer);
DecodeOffset(buffer);
}
private static VT_VECTOR <T> GetVectorValue <T>(CBaseStorageVariant_vType_Values vType, WspBuffer buffer) where T : struct
{
var vector = new VT_VECTOR <T>();
vector.vVectorElements = buffer.ToStruct <uint>();
vector.vVectorData = new T[vector.vVectorElements];
for (var idx = 0; idx < vector.vVectorElements; idx++)
{
vector.vVectorData[idx] = (T)GetValue(vType, buffer);
}
return(vector);
}
private object ReadValueByType(CBaseStorageVariant_vType_Values vType, int valueOffset, WspBuffer buffer)
{
if (vType.HasFlag(CBaseStorageVariant_vType_Values.VT_VECTOR) || vType.HasFlag(CBaseStorageVariant_vType_Values.VT_ARRAY))
{
throw new NotImplementedException();
}
object value = null;
switch (vType)
{
case CBaseStorageVariant_vType_Values.VT_EMPTY:
case CBaseStorageVariant_vType_Values.VT_NULL:
break;
case CBaseStorageVariant_vType_Values.VT_I1:
value = buffer.Peek <sbyte>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_UI1:
value = buffer.Peek <byte>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_I2:
value = buffer.Peek <short>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_UI2:
case CBaseStorageVariant_vType_Values.VT_BOOL:
value = buffer.Peek <ushort>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_I4:
case CBaseStorageVariant_vType_Values.VT_INT:
value = buffer.Peek <int>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_R4:
value = buffer.Peek <float>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_UI4:
case CBaseStorageVariant_vType_Values.VT_UINT:
case CBaseStorageVariant_vType_Values.VT_ERROR:
value = buffer.Peek <uint>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_I8:
value = buffer.Peek <long>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_UI8:
value = buffer.Peek <ulong>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_R8:
value = buffer.Peek <double>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_CY: // An 8-byte two's complement integer (vValue divided by 10,000).
throw new NotImplementedException();
case CBaseStorageVariant_vType_Values.VT_DATE:
value = DateTime.FromOADate(buffer.Peek <double>(valueOffset)).ToUniversalTime();
break;
case CBaseStorageVariant_vType_Values.VT_FILETIME:
value = DateTime.FromFileTime(buffer.Peek <long>(valueOffset)).ToUniversalTime();
break;
case CBaseStorageVariant_vType_Values.VT_DECIMAL:
value = buffer.Peek <DECIMAL>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_CLSID:
value = buffer.Peek <Guid>(valueOffset);
break;
case CBaseStorageVariant_vType_Values.VT_BLOB: // A 4-byte unsigned integer count of bytes in the blob, followed by that many bytes of data.
case CBaseStorageVariant_vType_Values.VT_BLOB_OBJECT:
int blobSize = buffer.Peek <int>(valueOffset);
value = buffer.ReadBytesFromOffset(valueOffset + 4, blobSize);
break;
case CBaseStorageVariant_vType_Values.VT_BSTR:
int strSize = buffer.Peek <int>(valueOffset);
var bytes = buffer.ReadBytesFromOffset(valueOffset + 4, strSize);
// TODO: Just use UTF8 for a temporary solution
// For vType set to VT_BSTR, this field is a set of characters in an OEM–selected character set.
// The client and server MUST be configured to have interoperable character sets.
// There is no requirement that it be null-terminated.
value = System.Text.Encoding.UTF8.GetString(bytes, 0, bytes.Length);
break;
case CBaseStorageVariant_vType_Values.VT_LPSTR:
throw new NotImplementedException();
case CBaseStorageVariant_vType_Values.VT_LPWSTR:
int strLength = GetNullTerminatedUnicodeStringLength(buffer, valueOffset);
value = System.Text.Encoding.Unicode.GetString(buffer.ReadBytesFromOffset(valueOffset, strLength), 0, strLength);
break;
case CBaseStorageVariant_vType_Values.VT_COMPRESSED_LPWSTR:
value = buffer.Peek <VT_COMPRESSED_LPWSTR>(valueOffset);
break;
}
return(value);
}
private static object GetVectorValue(CBaseStorageVariant_vType_Values vType, WspBuffer buffer)
{
object value = null;
switch (vType)
{
case CBaseStorageVariant_vType_Values.VT_EMPTY:
case CBaseStorageVariant_vType_Values.VT_NULL:
break;
case CBaseStorageVariant_vType_Values.VT_I1:
value = GetVectorValue <sbyte>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_UI1:
value = GetVectorValue <byte>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_I2:
value = GetVectorValue <short>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_UI2:
case CBaseStorageVariant_vType_Values.VT_BOOL:
value = GetVectorValue <ushort>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_I4:
case CBaseStorageVariant_vType_Values.VT_INT:
value = GetVectorValue <int>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_R4:
value = GetVectorValue <float>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_UI4:
case CBaseStorageVariant_vType_Values.VT_UINT:
case CBaseStorageVariant_vType_Values.VT_ERROR:
value = GetVectorValue <uint>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_I8:
case CBaseStorageVariant_vType_Values.VT_CY:
value = GetVectorValue <long>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_UI8:
value = GetVectorValue <ulong>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_R8:
value = GetVectorValue <double>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_DATE:
value = GetVectorValue <DateTime>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_FILETIME:
value = GetVectorValue <DateTime>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_DECIMAL:
value = GetVectorValue <DECIMAL>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_CLSID:
value = GetVectorValue <Guid>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_BLOB:
value = GetVectorValue <VT_BLOB>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_BLOB_OBJECT:
value = GetVectorValue <VT_BLOB_OBJECT>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_BSTR:
value = GetVectorValue <VT_BSTR>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_LPSTR:
value = GetVectorValue <VT_LPSTR>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_LPWSTR:
value = GetVectorValue <VT_LPWSTR>(vType, buffer);
break;
case CBaseStorageVariant_vType_Values.VT_COMPRESSED_LPWSTR:
value = GetVectorValue <VT_COMPRESSED_LPWSTR>(vType, buffer);
break;
}
return(value);
}
private static object GetValue(CBaseStorageVariant_vType_Values vType, WspBuffer buffer)
{
object value = null;
switch (vType)
{
case CBaseStorageVariant_vType_Values.VT_EMPTY:
case CBaseStorageVariant_vType_Values.VT_NULL:
break;
case CBaseStorageVariant_vType_Values.VT_I1:
value = buffer.ToStruct <sbyte>();
break;
case CBaseStorageVariant_vType_Values.VT_UI1:
value = buffer.ToStruct <byte>();
break;
case CBaseStorageVariant_vType_Values.VT_I2:
value = buffer.ToStruct <short>();
break;
case CBaseStorageVariant_vType_Values.VT_UI2:
case CBaseStorageVariant_vType_Values.VT_BOOL:
value = buffer.ToStruct <ushort>();
break;
case CBaseStorageVariant_vType_Values.VT_I4:
case CBaseStorageVariant_vType_Values.VT_INT:
value = buffer.ToStruct <int>();
break;
case CBaseStorageVariant_vType_Values.VT_R4:
value = buffer.ToStruct <float>();
break;
case CBaseStorageVariant_vType_Values.VT_UI4:
case CBaseStorageVariant_vType_Values.VT_UINT:
case CBaseStorageVariant_vType_Values.VT_ERROR:
value = buffer.ToStruct <uint>();
break;
case CBaseStorageVariant_vType_Values.VT_I8:
case CBaseStorageVariant_vType_Values.VT_CY:
value = buffer.ToStruct <long>();
break;
case CBaseStorageVariant_vType_Values.VT_UI8:
value = buffer.ToStruct <ulong>();
break;
case CBaseStorageVariant_vType_Values.VT_R8:
value = buffer.ToStruct <double>();
break;
case CBaseStorageVariant_vType_Values.VT_DATE:
value = DateTime.FromOADate(buffer.ToStruct <double>()).ToUniversalTime();
break;
case CBaseStorageVariant_vType_Values.VT_FILETIME:
value = DateTime.FromFileTime(buffer.ToStruct <long>()).ToUniversalTime();
break;
case CBaseStorageVariant_vType_Values.VT_DECIMAL:
value = buffer.ToStruct <DECIMAL>();
break;
case CBaseStorageVariant_vType_Values.VT_CLSID:
value = buffer.ToStruct <Guid>();
break;
case CBaseStorageVariant_vType_Values.VT_BLOB:
var blob = new VT_BLOB();
blob.cbSize = buffer.ToStruct <uint>();
blob.blobData = buffer.ReadBytes((int)blob.cbSize);
value = blob;
break;
case CBaseStorageVariant_vType_Values.VT_BLOB_OBJECT:
var blobObj = new VT_BLOB_OBJECT();
blobObj.cbSize = buffer.ToStruct <uint>();
blobObj.blobData = buffer.ReadBytes((int)blobObj.cbSize);
value = blobObj;
break;
case CBaseStorageVariant_vType_Values.VT_BSTR:
var bstr = new VT_BSTR();
bstr.cbSize = buffer.ToStruct <uint>();
bstr.blobData = buffer.ReadBytes((int)bstr.cbSize);
value = bstr;
break;
case CBaseStorageVariant_vType_Values.VT_LPSTR:
var lpstr = new VT_LPSTR();
lpstr.cLen = buffer.ToStruct <uint>();
var strLength = GetNullTerminatedUnicodeStringLength(buffer, buffer.ReadOffset);
lpstr._string = Encoding.Unicode.GetString(buffer.ReadBytes((int)(lpstr.cLen * 2)), 0, strLength);
value = lpstr;
break;
case CBaseStorageVariant_vType_Values.VT_LPWSTR:
var lpwstr = new VT_LPWSTR();
lpwstr.cLen = buffer.ToStruct <uint>();
strLength = GetNullTerminatedUnicodeStringLength(buffer, buffer.ReadOffset);
lpwstr._string = Encoding.Unicode.GetString(buffer.ReadBytes((int)(lpwstr.cLen * 2)), 0, strLength);
value = lpwstr;
break;
case CBaseStorageVariant_vType_Values.VT_COMPRESSED_LPWSTR:
var compressedLpwstr = new VT_COMPRESSED_LPWSTR();
compressedLpwstr.ccLen = buffer.ToStruct <uint>();
compressedLpwstr.bytes = buffer.ReadBytes((int)compressedLpwstr.ccLen);
value = compressedLpwstr;
break;
}
return(value);
}
