/// <summary>
/// LoadApprovedFile reads the Parsnip approval file into a memory structure for easy lookup. We're assuming that the
/// content of this file is well formed and valid. Semantic errors will be silently ignored. Only samples with
/// approved units will be added to the lookup table.
/// </summary>
void LoadApprovedFile(string pathName) {
WriteMessage(MessageLevel.Info, string.Format("Loading Parsnip 'Approved' file: {0}", pathName));
sampleInfoTable = new Dictionary<string, SampleInfo>();
using (XmlReader reader = XmlReader.Create(pathName)) {
SampleInfo si = null;
string sample_name = null;
while (reader.Read()) {
switch (reader.NodeType) {
case XmlNodeType.Element:
if (reader.Name == "Sample") {
sample_name = reader.GetAttribute("name");
if (!string.IsNullOrEmpty(sample_name))
si = new SampleInfo(sample_name);
}
else if (si != null && reader.Name == "Unit") {
if (reader.GetAttribute("include") == "true")
si.AddApprovedUnit(reader.GetAttribute("name"));
}
break;
case XmlNodeType.EndElement:
if (reader.Name == "Sample") {
if (si != null) {
try {
if (si.ApprovedUnitsCount > 0)
sampleInfoTable.Add(si.Name, si);
}
catch (Exception x) {
WriteMessage(MessageLevel.Warn, string.Format("Sample {0} cannot be loaded {1}", si.Name, x.Message));
}
}
si = null;
}
break;
default:
break;
}
}
}
}