public static DecimalField Extract(RfcInterop interop, IntPtr dataHandle, string name)
{
RfcResultCode resultCode = interop.GetString(
dataHandle: dataHandle,
name: name,
stringBuffer: Array.Empty <char>(),
bufferLength: 0,
stringLength: out uint stringLength,
errorInfo: out RfcErrorInfo errorInfo);
if (resultCode != RfcResultCode.RFC_BUFFER_TOO_SMALL)
{
resultCode.ThrowOnError(errorInfo);
return(new DecimalField(name, 0));
}
var buffer = new char[stringLength + 1];
resultCode = interop.GetString(
dataHandle: dataHandle,
name: name,
stringBuffer: buffer,
bufferLength: (uint)buffer.Length,
stringLength: out _,
errorInfo: out errorInfo);
resultCode.ThrowOnError(errorInfo);
var decimalValue = decimal.Parse(new string(buffer, 0, (int)stringLength), CultureInfo.InvariantCulture);
return(new DecimalField(name, decimalValue));
}
public static StringField Extract(RfcInterop interop, IntPtr dataHandle, string name)
{
RfcResultCode resultCode = interop.GetString(
dataHandle: dataHandle,
name: name,
stringBuffer: Array.Empty <char>(),
bufferLength: 0,
stringLength: out uint stringLength,
errorInfo: out RfcErrorInfo errorInfo);
if (resultCode != RfcResultCode.RFC_BUFFER_TOO_SMALL)
{
resultCode.ThrowOnError(errorInfo);
return(new StringField(name, string.Empty));
}
var buffer = new char[stringLength + 1];
resultCode = interop.GetString(
dataHandle: dataHandle,
name: name,
stringBuffer: buffer,
bufferLength: (uint)buffer.Length,
stringLength: out _,
errorInfo: out errorInfo);
resultCode.ThrowOnError(errorInfo);
return(new StringField(name, new string(buffer, 0, (int)stringLength)));
}
