public static DicomVM Parse(string s)
{
try
{
DicomVM vm = null;
if (_vm.TryGetValue(s, out vm))
{
return(vm);
}
string[] parts = s.Split(new[] { "-", " ", "or" }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 1)
{
vm = new DicomVM();
vm.Minimum = int.Parse(parts[0]);
vm.Maximum = vm.Minimum;
vm.Multiplicity = vm.Minimum;
}
else
{
vm = new DicomVM
{
Minimum = int.Parse(parts[0]),
Multiplicity = 1
};
if (parts[1].IndexOf("n", StringComparison.OrdinalIgnoreCase) >= 0)
{
vm.Maximum = int.MaxValue;
parts[1] = parts[1].TrimEnd('n', 'N');
if (parts[1].Length > 0)
{
vm.Multiplicity = int.Parse(parts[1]);
}
}
else
{
vm.Maximum = int.Parse(parts[1]);
}
}
_vm.Add(s, vm);
return(vm);
}
catch (Exception e)
{
throw new DicomDataException("Error parsing value multiplicty ['" + s + "']", e);
}
}
private void ReadDictionaryXML()
{
DicomDictionary dict = _dict;
var xdoc = XDocument.Load(_stream);
IEnumerable <XElement> xdicts;
if (xdoc.Root.Name == "dictionaries")
{
xdicts = xdoc.Root.Elements("dictionary");
}
else
{
XElement xdict = xdoc.Element("dictionary");
if (xdict == null)
{
throw new DicomDataException("Expected <dictionary> root node in DICOM dictionary.");
}
var dicts = new List <XElement>();
dicts.Add(xdict);
xdicts = dicts;
}
foreach (var xdict in xdicts)
{
XAttribute creator = xdict.Attribute("creator");
if (creator != null && !string.IsNullOrEmpty(creator.Value))
{
dict = _dict[_dict.GetPrivateCreator(creator.Value)];
}
else
{
dict = _dict;
}
foreach (XElement xentry in xdict.Elements("tag"))
{
string name = xentry.Value ?? "Unknown";
string keyword = string.Empty;
if (xentry.Attribute("keyword") != null)
{
keyword = xentry.Attribute("keyword").Value;
}
var vrs = new List <DicomVR>();
XAttribute xvr = xentry.Attribute("vr");
if (xvr != null && !string.IsNullOrEmpty(xvr.Value))
{
string[] vra = xvr.Value.Split('_', '/', '\\', ',', '|');
foreach (string vr in vra)
{
vrs.Add(DicomVR.Parse(vr));
}
}
else
{
vrs.Add(DicomVR.NONE);
}
var vm = DicomVM.Parse(xentry.Attribute("vm").Value);
bool retired = false;
XAttribute xretired = xentry.Attribute("retired");
if (xretired != null && !string.IsNullOrEmpty(xretired.Value) && bool.Parse(xretired.Value))
{
retired = true;
}
string group = xentry.Attribute("group").Value;
string element = xentry.Attribute("element").Value;
if (group.ToLower().Contains("x") || element.ToLower().Contains("x"))
{
var tag = DicomMaskedTag.Parse(group, element);
tag.Tag.PrivateCreator = dict.PrivateCreator;
dict.Add(new DicomDictionaryEntry(tag, name, keyword, vm, retired, vrs.ToArray()));
}
else
{
var tag = DicomTag.Parse(group + "," + element);
tag.PrivateCreator = dict.PrivateCreator;
dict.Add(new DicomDictionaryEntry(tag, name, keyword, vm, retired, vrs.ToArray()));
}
}
}
}