I have a proto message that I have defined. I'm consuming the message on
OSX using C++ and producing it on windows using C#.
I'm using release 3.0.0 of Google.protobuf (NuGet on windows, compiled and
built on OSX).
I have read that Protobuf stores UTF-8 strings. I realize that native C#
strings are UTF-16. I assumed the C# library would
take care of the conversion from UTF-16 to UTF-8 but that doesn't seem to
be the case. The online examples that I've found
seem to just assign a string the variable (wiffName) but that doesn't seem
to work.
Can someone point out where I'm going wrong and how get around this? If the
library doesn't handle the conversion how should
I go about changing a UTF-16 string into a UTF-8 string in C#? Any help is
really appreciated
Proto File:
message XicSetHeader{
int64 TotalXicSets = 1;
string wiffName = 2;
}
C# Code:
var xsetHeader = new XicSetHeader();
xsetHeader.TotalXicSets = xsetVec.Count;
xsetHeader.WiffName = "myWiffNameHolder";
using (var stream = File.Create(FileOutName(oPath))) //
MemoryStream stream = new MemoryStream())
{
xsetHeader.WriteTo(stream);
}
C++ Code:
// This is being passed a pointer ifstream in a good state to the
encoded proto message
XicContainer::XicContainer(std::istream *in): m_xheader(new XicHeader())
{
// m_xheader is a pointer of type XicHeader and initialized above
m_xheader->ParseFromIstream(in);
}
C++ Error Message:
*[libprotobuf ERROR google/protobuf/wire_format_lite.cc:532] String field
'XicHeader.wiffName' contains invalid UTF-8 data when parsing a protocol
buffer. Use the 'bytes' type if you intend to send raw bytes.*
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