/// <summary>
/// Takes an <see cref="XDocument"/> representing the whole MapForce mapping model as input and returns a set
/// of ConstantComponents.
/// </summary>
/// <param name="mappingFiles"></param>
/// <returns></returns>
private static IEnumerable <ConstantComponent> ImportConstantComponents(string[] mappingFiles)
{
foreach (var mappingFile in mappingFiles)
{
var mappingDocument = XDocument.Load(mappingFile);
IEnumerable <XElement> constantComponentElements = from c in mappingDocument.Descendants("component")
where (string)c.Attribute("name") == "constant"
select c;
foreach (XElement constantComponentElement in constantComponentElements)
{
var constantElement = constantComponentElement.XPathSelectElement("data/constant");
if (constantElement == null)
{
// TODO report error
}
else
{
var datapointElement = constantComponentElement.XPathSelectElement("targets/datapoint");
InputOutputKey outputKey = datapointElement != null?InputOutputKey.Output(mappingFile, (string)datapointElement.Attribute("key")) : InputOutputKey.None;
yield return(new ConstantComponent((string)constantElement.Attribute("value"), outputKey));
}
}
}
}
/// <summary>
/// Takes an <see cref="XElement"/> representing the root entry as input and returns the root Entry object with all its children
/// by recursively calling itself.
/// </summary>
/// <param name="entryElement"></param>
/// <param name="mappingFile"></param>
/// <returns></returns>
private static Entry ImportEntry(XElement entryElement, string mappingFile)
{
InputOutputKey inputOutputKey;
var inputKey = (string)entryElement.Attribute("inpkey");
if (string.IsNullOrEmpty(inputKey))
{
var outputKey = (string)entryElement.Attribute("outkey");
inputOutputKey = string.IsNullOrEmpty(outputKey) ? InputOutputKey.None : InputOutputKey.Output(mappingFile, outputKey);
}
else
{
inputOutputKey = InputOutputKey.Input(mappingFile, inputKey);
}
var entryTypeStr = (string)entryElement.Attribute("type");
XsdObjectType xsdObjectType = XsdObjectType.Element;
if (entryTypeStr == "attribute")
{
xsdObjectType = XsdObjectType.Attribute;
}
return(new Entry((string)entryElement.Attribute("name"), inputOutputKey, xsdObjectType, from childElement in entryElement.Elements("entry") select ImportEntry(childElement, mappingFile)));
}