VError VJSONBinaryWriter::StreamArray(const VJSONArray *inArray, VMemoryBuffer<>& outBuff)
{
VError err = VE_OK;
if (inArray == NULL) // should it happen
{
sLONG nullarray = -2;
outBuff.AddData(&nullarray, 4);
return VE_OK;
}
else
{
sLONG count = (sLONG)inArray->GetCount();
sLONG xcount = count; // so count can be optimized as a register
outBuff.AddData(&xcount, 4);
for( sLONG i = 0 ; (i < count) && (err == VE_OK) ; ++i)
{
err = StreamValue( (*inArray)[i], outBuff);
}
}
return err;
}
VError VJSONBinaryWriter::StreamValue(const VJSONValue& inValue, VMemoryBuffer<>& outBuff)
{
VError err = VE_OK;
sBYTE btype = (sBYTE)inValue.GetType();
outBuff.AddData(&btype, 1);
switch( inValue.GetType())
{
case JSON_null:
case JSON_undefined:
case JSON_true:
case JSON_false:
{
break;
}
case JSON_string:
{
const VInlineString* s = &(inValue.fString);
sLONG len = (sLONG)s->GetLength();
outBuff.AddData(&len, 4);
if (len > 0)
outBuff.AddData(s->GetCPointer(), len * 2);
break;
}
case JSON_date:
{
outBuff.AddData(&inValue.fTimeStamp, sizeof(sLONG8));
break;
}
case JSON_number:
{
outBuff.AddData(&inValue.fNumber, sizeof(Real));
break;
}
case JSON_array:
{
err = StreamArray( inValue.GetArray(), outBuff);
break;
}
case JSON_object:
{
err = StreamObject( inValue.GetObject(), outBuff);
break;
}
default:
xbox_assert( false);
}
return err;
}
VError VJSONBinaryWriter::StreamObject(const VJSONObject *inObject, VMemoryBuffer<>& outBuff)
{
if (inObject == NULL) // should it happen
{
sWORD nullobj = -2;
outBuff.AddData(&nullobj, 2);
return VE_OK;
}
if (std::find( fStack.begin(), fStack.end(), inObject) != fStack.end())
{
return vThrowError( VE_JSON_STRINGIFY_CIRCULAR);
}
VError err = VE_OK;
fStack.push_back( inObject);
//if (!inObject->doStream( outBuff, *this, &err))
{
for (VJSONPropertyConstOrderedIterator i(inObject); i.IsValid() && (err == VE_OK); ++i)
{
const VString& name = i.GetName();
sWORD len = (sWORD)name.GetLength();
outBuff.AddData(&len, 2);
if (len > 0)
{
outBuff.AddData(name.GetCPointer(), (sLONG)len * 2);
err = StreamValue(i.GetValue(), outBuff);
}
}
sWORD endobj = -1;
outBuff.AddData(&endobj, 2);
}
fStack.pop_back();
return err;
}