/// <summary>
/// Creates XML elements from the data of the system.
/// </summary>
/// <param name="xmlWriter">Object with the XML message to add new information and return to client side</param>
/// <param name="val">Value to be puted inside the XML message</param>
/// <param name="dtdVersion">Version of the DTD that follows the XML message</param>
/// <param name="xmlElement">Element of the XML that is checked</param>
public static void ON2XML(XmlWriter xmlWriter, ONReal val, double dtdVersion, string xmlElement)
{
if (val == null)
{
if (xmlElement == ONXml.XMLTAG_V)
{
xmlWriter.WriteElementString(xmlElement, "");
}
else
{
xmlWriter.WriteElementString(ONXml.XMLTAG_NULL, null);
}
}
else
{
if (dtdVersion < 2.0) // Apply the locale format
{
xmlWriter.WriteElementString(xmlElement, val.TypedValue.ToString("0.##############"));
}
else
{
xmlWriter.WriteStartElement(xmlElement);
if (xmlElement == ONXml.XMLTAG_OIDFIELD && dtdVersion > 2.0)
{
xmlWriter.WriteAttributeString("Type", "real");
}
string lValue = Pack(val);
xmlWriter.WriteString(lValue);
xmlWriter.WriteEndElement();
}
}
}
/// <summary>
/// Checks the format of the data previously to be included in the XML message
/// </summary>
/// <param name="val">Contains the data to be checked</param>
public static string Pack(ONReal val)
{
if (val.TypedValue == 0)
{
return("0");
}
else
{
//Convert the value in a string with scientific format.
string lValue = val.TypedValue.ToString("0.0#############E-0").Replace(",", ".");
return(lValue);
}
}
