/// <summary>
/// Make all DICOM attributes within a DICOM attribute sets ascending.
/// </summary>
public void DicomMakeAscending()
{
for (int index = 0; index < Count; index++)
{
AttributeCollectionBase attributeCollection = this[index] as DicomAttributeCollection;
if (attributeCollection != null)
{
if (attributeCollection is DicomAttributeCollection)
{
(attributeCollection as DicomAttributeCollection).AttributeSetOnly.MakeAscending(true);
}
}
}
}
private TagSequence DetermineLowestTagSequence()
{
TagSequence lowestTagSequence = null; // Lowest in this context means lowest LastTag.
//
// Determine what the lowest tag is.
// If no more attribute exists anymore to process, this tag will be null.
//
for (int index = 0; index < this.attributeCollections.Count; index++)
{
int attributeSetIndex = (int)this.currentAttributeIndices[index];
AttributeCollectionBase attributeCollectionBase = this.attributeCollections[index];
if (attributeCollectionBase is DicomAttributeCollection)
{
DicomAttributeCollection dicomAttributeCollection = attributeCollectionBase as DicomAttributeCollection;
if (attributeSetIndex < dicomAttributeCollection.AttributeSetOnly.Count)
// Still unprocessed attributes left in this dataset.
{
ValidAttribute attributeOnly = dicomAttributeCollection.AttributeSetOnly[attributeSetIndex] as ValidAttribute;
if (lowestTagSequence == null)
{
lowestTagSequence = attributeOnly.TagSequence;
}
else
{
if (attributeOnly.TagSequence.LastTag.AsUInt32 < lowestTagSequence.LastTag.AsUInt32)
{
lowestTagSequence = attributeOnly.TagSequence;
}
}
}
}
}
return(lowestTagSequence);
}
//
// - Methods -
//
/// <summary>
/// Get the next collection of attributes to compare to each other.
/// If an attribute is not present, a null pointer is returned in the AttributeCollection.
/// If all attributes have been compared, null is returned.
/// </summary>
/// <returns>The attributes to validate.</returns>
///
private AttributeList DetermineNextAttributes(TagSequence lowestTagSequence)
{
AttributeList nextAttributes = new AttributeList();
nextAttributes.CompareRule = new CompareRule();
for (int index = 0; index < this.attributeCollections.Count; index++)
{
int attributeSetIndex = (int)this.currentAttributeIndices[index];
AttributeCollectionBase attributeCollectionBase = this.attributeCollections[index];
if (attributeCollectionBase == null)
{
nextAttributes.Add(null);
nextAttributes.CompareRule.Add(null);
}
else if (attributeCollectionBase is Hl7AttributeCollection)
{
nextAttributes.Add(null);
nextAttributes.CompareRule.Add(null);
}
else if (attributeCollectionBase is DicomAttributeCollection)
{
DicomAttributeCollection dicomAttributeCollection = attributeCollectionBase as DicomAttributeCollection;
if (attributeSetIndex < dicomAttributeCollection.AttributeSetOnly.Count)
// Still unprocessed attributes left in this dataset.
{
ValidAttribute attributeOnly = dicomAttributeCollection.AttributeSetOnly[attributeSetIndex] as ValidAttribute;
if (attributeOnly.TagSequence.LastTag.AsUInt32 == lowestTagSequence.LastTag.AsUInt32)
{
// Add entry with existing attribute.
ValidationRuleDicomAttribute validationRuleDicomAttribute = new ValidationRuleDicomAttribute(lowestTagSequence.ToString(), dicomAttributeCollection.Flags);
nextAttributes.CompareRule.Add(validationRuleDicomAttribute);
DicomAttribute dicomAttribute = new DicomAttribute(attributeOnly, validationRuleDicomAttribute);
nextAttributes.Add(dicomAttribute);
// This attribute will be returned. Increase the attribute index.
this.currentAttributeIndices[index] = attributeSetIndex + 1;
}
else
{
// Add entry with non-existing attribute.
ValidationRuleDicomAttribute validationRuleDicomAttribute = new ValidationRuleDicomAttribute(lowestTagSequence.ToString(), dicomAttributeCollection.Flags);
DicomAttribute dicomAttribute = new DicomAttribute(new DvtkHighLevelInterface.Dicom.Other.InvalidAttribute(), validationRuleDicomAttribute);
nextAttributes.Add(dicomAttribute);
}
}
else
// No more unprocessed attributes left in this dataset.
{
// Add entry with non-existing attribute.
ValidationRuleDicomAttribute validationRuleDicomAttribute = new ValidationRuleDicomAttribute(lowestTagSequence.ToString(), dicomAttributeCollection.Flags);
DicomAttribute dicomAttribute = new DicomAttribute(new DvtkHighLevelInterface.Dicom.Other.InvalidAttribute(), validationRuleDicomAttribute);
nextAttributes.Add(dicomAttribute);
}
}
}
return(nextAttributes);
}
//
// - Methods -
//
/// <summary>
/// Do a dynamic compare for the attribute sets supplied.
///
/// Note that the parameters attributeSets, attributeSetDescriptions and each compareRule instance in
/// the parameter compareRules must have the same size and have a size at least 2.
/// </summary>
/// <param name="tableDescription">Description of the table.</param>
/// <param name="attributeCollections">The attribute sets to compare with each other.</param>
/// <param name="attributeCollectionDescriptions">The descriptions of the attribute sets.</param>
/// <param name="compareRules">
/// Specifies which attributes with what tags should be compared with each other.
/// Also specifies how the attributes should be compared with each other.
/// </param>
/// <returns>The results of the dynamic compare presented as a table (that may be converted to HTML).</returns>
public CompareResults CompareAttributeCollections(String tableDescription, AttributeCollections attributeCollections, StringCollection attributeCollectionDescriptions, CompareRules compareRules)
{
//
// Sanity check.
//
if (attributeCollections.Count < 2)
{
throw new System.Exception("Parameter attributeSets supplied to the method StaticCompare.CompareAttributeSets has size smaller than 2.");
}
if (attributeCollections.Count != attributeCollectionDescriptions.Count)
{
throw new System.Exception("Parameters attributeSets and attributeSetDescriptions supplied to the method StaticCompare.CompareAttributeSets have different size.");
}
for (int index = 0; index < compareRules.Count; index++)
{
CompareRule compareRule = compareRules[index];
if (attributeCollections.Count != compareRule.Count)
{
throw new System.Exception("Method StaticCompare.CompareAttributeSets: each CompareRule instance present in the parameter compareRules must have the same size as the parameter attributeCollections.");
}
}
// Todo change taking the possibility of null into account for the attribute collections.
//
// Remove the attribute collections that are null and adjust the compare rules.
//
for (int index = attributeCollections.Count - 1; index >= 0; index--)
{
AttributeCollectionBase attributeCollection = attributeCollections[index];
if (attributeCollection == null)
{
// Clone the collections because we don't want to change the supplied collections.
attributeCollections = attributeCollections.Clone();
attributeCollections.RemoveAt(index);
StringCollection newAttributeCollectionDescriptions = new StringCollection();
foreach (String description in attributeCollectionDescriptions)
{
newAttributeCollectionDescriptions.Add(description);
}
attributeCollectionDescriptions = newAttributeCollectionDescriptions;
attributeCollectionDescriptions.RemoveAt(index);
#pragma warning disable 0618
CompareRules newCompareRules = new CompareRules();
#pragma warning restore 0618
for (int compareRuleIndex = 0; compareRuleIndex < compareRules.Count; compareRuleIndex++)
{
CompareRule compareRule = compareRules[compareRuleIndex].Clone();
compareRule.RemoveAt(index);
newCompareRules.Add(compareRule);
}
compareRules = newCompareRules;
}
}
//
// Do the actual compare.
//
this.compareResults = null;
// Determine the index of the different columns in the table.
int numberOfColumns = DetermineColumnIndices(attributeCollections);
// To be able to compare correctly, we first make sure the attributes in all DicomAttributeCollections are ascending.
attributeCollections.DicomMakeAscending();
// Determine the table headers and comlumn widths.
this.compareResults = CreateCompareResults(numberOfColumns, attributeCollections, tableDescription, attributeCollectionDescriptions);
// Do the actual comparison.
AddAttributeCollectionsInformationUsingDynamicCompare(attributeCollections, compareRules);
if (this.differenceFound)
{
this.compareResults.DifferencesCount++;
this.differenceFound = false;
}
return(this.compareResults);
}
//
// - Methods -
//
internal void Add(AttributeCollectionBase attributeCollection)
{
this.attributeCollections.Add(attributeCollection);
}
//
// - Methods -
//
internal void Add(AttributeCollectionBase attributeCollection)
{
this.attributeCollections.Add(attributeCollection);
}
