void Document::write(BinaryWriter& writer)
{
if ( _elements.empty() )
{
writer << 5;
}
else
{
std::stringstream sstream;
Poco::BinaryWriter tempWriter(sstream);
for(ElementSet::iterator it = _elements.begin(); it != _elements.end(); ++it)
{
tempWriter << static_cast<unsigned char>((*it)->type());
BSONWriter(tempWriter).writeCString((*it)->name());
Element::Ptr element = *it;
element->write(tempWriter);
}
tempWriter.flush();
Poco::Int32 len = static_cast<Poco::Int32>(5 + sstream.tellp()); /* 5 = sizeof(len) + 0-byte */
writer << len;
writer.writeRaw(sstream.str());
}
writer << '\0';
}
void DeleteRequest::buildRequest(BinaryWriter& writer)
{
writer << 0; // 0 - reserved for future use
BSONWriter(writer).writeCString(_fullCollectionName);
writer << _flags;
_selector.write(writer);
}
void GetMoreRequest::buildRequest(BinaryWriter& writer)
{
writer << 0; // 0 - reserved for future use
BSONWriter(writer).writeCString(_fullCollectionName);
writer << _numberToReturn;
writer << _cursorID;
}
void InsertRequest::buildRequest(BinaryWriter& writer)
{
//TODO: throw exception when no document is added
writer << _flags;
BSONWriter(writer).writeCString(_fullCollectionName);
for(Document::Vector::iterator it = _documents.begin(); it != _documents.end(); ++it)
{
(*it)->write(writer);
}
}
void QueryRequest::buildRequest(BinaryWriter& writer)
{
writer << _flags;
BSONWriter(writer).writeCString(_fullCollectionName);
writer << _numberToSkip;
writer << _numberToReturn;
_selector.write(writer);
if ( ! _returnFieldSelector.empty() )
{
_returnFieldSelector.write(writer);
}
}
