/// <summary>
/// Constructor.
/// </summary>
/// <param name="tag">The Tag of this instance.</param>
/// <param name="vR">The Value Representation(s) of this instance.</param>
/// <param name="name">The name of this instance.</param>
/// <param name="parent">The parent of this instance.</param>
public Attribute(Tag tag, VR valueRepresentations, string name, AttributesAndMacros parent)
{
this.tag = tag;
this.valueRepresentations = valueRepresentations;
this.name = name;
this.parent = parent;
}
/// <summary>
/// Create a Macro instance using a raw xml file (that is generated by the ODD).
/// </summary>
/// <param name="macroNode">The Macro node.</param>
/// <param name="parent">The parent.</param>
/// <returns>The created Macro instance.</returns>
public static Macro Create(XPathNavigator macroNode, AttributesAndMacros parent)
{
string name = string.Empty;
//
// Determine Macro name.
//
try
{
name = macroNode.GetAttribute("Name", "");
}
catch (Exception exception)
{
throw (DefinitionFile.CreateException(macroNode, "Macro", "Unable to determine Name", exception));
}
//
// Construct Macro instance.
//
Macro macro = new Macro(name, parent);
//
// Add attribute instances and Macros instances to created Macro instance.
//
macro.AddAttributesAndMacros(macroNode);
//
// Return created instance.
//
return (macro);
}
public Macro(string name, AttributesAndMacros parent)
{
this.name = name;
this.parent = parent;
}
// -----------------------------
// - Begin constructors region -
// -----------------------------
/// <summary>
/// Constructor.
/// </summary>
/// <param name="tag">The tag of this instance.</param>
/// <param name="valueRepresentations">The VR(s) of this instance.</param>
/// <param name="name">The name of this instance.</param>
/// <param name="parent">The parent of this instance.</param>
public SingleAttribute(Tag tag, VR valueRepresentations, string name, AttributesAndMacros parent)
: base(tag, valueRepresentations, name, parent)
{
// Do nothing.
}
// -----------------------------
// - Begin constructors region -
// -----------------------------
/// <summary>
/// Constructor.
/// </summary>
/// <param name="tag">The tag of this instance.</param>
/// <param name="name">The name of this instance.</param>
/// <param name="parent">The parent of this instance.</param>
public SequenceAttribute(Tag tag, string name, AttributesAndMacros parent)
: base(tag, VR.SQ, name, parent)
{
this.sequenceItem = new SequenceItem(this);
}
/// <summary>
/// Create a Sequence Attribute instance using a raw xml file (that is generated by the ODD).
/// </summary>
/// <param name="tag">The tag.</param>
/// <param name="name">The name.</param>
/// <param name="attributeNode">The Attribute node.</param>
/// <param name="parent">The parent of the instance to create.</param>
/// <returns>The created SequenceAttribute inistance.</returns>
internal static SequenceAttribute Create(Tag tag, string name, XPathNavigator attributeNode, AttributesAndMacros parent)
{
SequenceAttribute sequenceAttribute = new SequenceAttribute(tag, name, parent);
XPathNodeIterator itemNodes = attributeNode.Select("Values/Sequence/Item");
if (itemNodes.MoveNext())
{
sequenceAttribute.sequenceItem = SequenceItem.Create(itemNodes.Current, sequenceAttribute);
}
else
{
throw (DefinitionFile.CreateException(attributeNode, "SequenceAttribute", "Values/Sequence/Item node not found", null));
}
return (sequenceAttribute);
}
/// <summary>
/// Create an (single or sequence) Attribute instance using a raw xml file (that is generated by the ODD).
/// </summary>
/// <param name="attributeNode">An Attribute node.</param>
/// <returns>The created Attribute instance.</returns>
public static Attribute Create(XPathNavigator attributeNode, AttributesAndMacros parent)
{
Attribute attribute = null; // Return value;
string name = string.Empty;
Tag tag = new Tag();
//
// Determine attribute name.
//
try
{
name = attributeNode.GetAttribute("Name", "");
}
catch (Exception exception)
{
throw (DefinitionFile.CreateException(attributeNode, "Attribute", "Unable to determine Name", exception));
}
//
// Determine tag.
//
tag = Tag.Create(attributeNode);
//
// Construct a single attribute or a sequence attribute.
//
VR valueRepresentations = VR.None;
XPathNodeIterator vRNodes = attributeNode.Select("VR");
if (vRNodes.MoveNext())
{
try
{
valueRepresentations = (VR)System.Enum.Parse(typeof(VR), vRNodes.Current.Value.Replace('/', ','));
}
catch
{
throw (DefinitionFile.CreateException(attributeNode, "Attribute", "VR node does not contain a valid VR.", null));
}
}
else
{
throw (DefinitionFile.CreateException(attributeNode, "Attribute", "VR node not found.", null));
}
if (valueRepresentations == VR.SQ)
{
attribute = SequenceAttribute.Create(tag, name, attributeNode, parent);
}
else
{
attribute = new SingleAttribute(tag, valueRepresentations, name, parent);
}
//
// Return the constructed attribute.
//
return (attribute);
}
