/// <summary>
/// VisitLeave method in the context of the "Hierarchical Visitor Pattern".
/// See "DVTk_Library\Documentation\Design\Hierarchical Visitor Pattern.htm".
/// </summary>
/// <param name="singleAttribute">The SingleAttribute instance to visit.</param>
/// <returns>
/// true: continue traversing the siblings of the supplied instance.
/// false: stop traversing the siblings of the supplied instance.
/// </returns>
public override bool VisitSingleAttribute(SingleAttribute singleAttribute)
{
stringBuilder.Append(this.prefix + "Single Attribute\n");
stringBuilder.Append(this.prefix + " Tag: (" + singleAttribute.Tag.GroupNumber.ToString("X4") + "," + singleAttribute.Tag.ElementNumber.ToString("X4") + ")\n");
stringBuilder.Append(this.prefix + " Name: " + singleAttribute.Name + "\n");
stringBuilder.Append(this.prefix + " VR: " + singleAttribute.ValueRepresentations + "\n");
stringBuilder.Append(this.prefix + " Path\n");
stringBuilder.Append(this.prefix + " " + singleAttribute.ToString2(prefix + " ") + "\n");
return(true);
}
/// <summary>
/// VisitLeave method in the context of the "Hierarchical Visitor Pattern".
/// See "DVTk_Library\Documentation\Design\Hierarchical Visitor Pattern.htm".
/// </summary>
/// <param name="singleAttribute">The SingleAttribute instance to visit.</param>
/// <returns>
/// true: continue traversing the siblings of the supplied instance.
/// false: stop traversing the siblings of the supplied instance.
/// </returns>
public override bool VisitSingleAttribute(SingleAttribute singleAttribute)
{
VisitAttribute(singleAttribute);
return(true);
}
/// <summary>
/// VisitLeave method in the context of the "Hierarchical Visitor Pattern".
/// See "DVTk_Library\Documentation\Design\Hierarchical Visitor Pattern.htm".
/// </summary>
/// <param name="singleAttribute">The SingleAttribute instance to visit.</param>
/// <returns>
/// true: continue traversing the siblings of the supplied instance.
/// false: stop traversing the siblings of the supplied instance.
/// </returns>
public virtual bool VisitSingleAttribute(SingleAttribute singleAttribute)
{
return (true);
}
/// <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);
}
/// <summary>
/// VisitLeave method in the context of the "Hierarchical Visitor Pattern".
/// See "DVTk_Library\Documentation\Design\Hierarchical Visitor Pattern.htm".
/// </summary>
/// <param name="singleAttribute">The SingleAttribute instance to visit.</param>
/// <returns>
/// true: continue traversing the siblings of the supplied instance.
/// false: stop traversing the siblings of the supplied instance.
/// </returns>
public virtual bool VisitSingleAttribute(SingleAttribute singleAttribute)
{
return(true);
}
/// <summary>
/// VisitLeave method in the context of the "Hierarchical Visitor Pattern".
/// See "DVTk_Library\Documentation\Design\Hierarchical Visitor Pattern.htm".
/// </summary>
/// <param name="singleAttribute">The SingleAttribute instance to visit.</param>
/// <returns>
/// true: continue traversing the siblings of the supplied instance.
/// false: stop traversing the siblings of the supplied instance.
/// </returns>
public override bool VisitSingleAttribute(SingleAttribute singleAttribute)
{
VisitAttribute(singleAttribute);
return (true);
}
/// <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);
}
/// <summary>
/// VisitLeave method in the context of the "Hierarchical Visitor Pattern".
/// See "DVTk_Library\Documentation\Design\Hierarchical Visitor Pattern.htm".
/// </summary>
/// <param name="singleAttribute">The SingleAttribute instance to visit.</param>
/// <returns>
/// true: continue traversing the siblings of the supplied instance.
/// false: stop traversing the siblings of the supplied instance.
/// </returns>
public override bool VisitSingleAttribute(SingleAttribute singleAttribute)
{
stringBuilder.Append(this.prefix + "Single Attribute\n");
stringBuilder.Append(this.prefix + " Tag: (" + singleAttribute.Tag.GroupNumber.ToString("X4") + "," + singleAttribute.Tag.ElementNumber.ToString("X4") + ")\n");
stringBuilder.Append(this.prefix + " Name: " + singleAttribute.Name + "\n");
stringBuilder.Append(this.prefix + " VR: " + singleAttribute.ValueRepresentations + "\n");
stringBuilder.Append(this.prefix + " Path\n");
stringBuilder.Append(this.prefix + " " + singleAttribute.ToString2(prefix + " ") + "\n");
return (true);
}
