private AssertionLineBuilder CreateAssertionLineBuilderForAttribute(DocumentTemplateElement aParentElement, DocumentTemplateElementAttribute aAttribute, ref string aParentContext, ref IConstraint aConstraint)
{
AssertionLineBuilder asb = null;
if ((aParentElement != null) && (aConstraint.Parent.IsBranch))
{
asb = CreateAssertionLineBuilderForElement(aParentElement, aConstraint.Parent, ref aParentContext);
aConstraint = aConstraint.Parent;
}
else
{
asb = new AssertionLineBuilder(aAttribute, this.igTypePlugin.TemplateIdentifierXpath, this.igTypePlugin.TemplateVersionIdentifierXpath, this.prefix);
if (aConstraint.Parent != null)
{
Cardinality cardinality = CardinalityParser.Parse(aConstraint.Parent.Cardinality);
if (cardinality.Left == 0)
{
asb.HasOptionalParentContext();
}
}
}
return(asb);
}
/// <summary>
/// this will generate an assertion if none is in the entity model
/// </summary>
/// <param name="tc"></param>
/// <returns></returns>
internal string GenerateAssertion(TemplateConstraint tc)
{
ConstraintParser cParser = new ConstraintParser(this.rep, tc, tc.Template.ImplementationGuideType, this.vocFileName, this.vocabularyOutputType);
AssertionLineBuilder asb = cParser.CreateAssertionLineBuilder();
return(asb.ToString());
}
/// <summary>
/// Helper function which creates an AssertionLineBuilder for an element given the constraint. This function will examine the constraint's value and datatype
/// and add those to the builder if necessary. Also if aGenerateContext == true then it will add the context of the element.
/// </summary>
/// <param name="aElement">Element to base the AssertionLineBuilder from</param>
/// <param name="aTemplateConstraint">TemplateConstraint which has the necessary properties (e.g. Element Value, Data Type) to add to the AssertionLineBuilder</param>
/// <param name="aGenerateContext">Flag to determine whether a context should be added as part of the AssertionLineBuilder</param>
/// <returns>A new AssertionLineBuilder for the aElement passed in</returns>
private AssertionLineBuilder CreateAssertionLineBuilderForElement(DocumentTemplateElement aElement, IConstraint aTemplateConstraint, ref string aParentContext, bool aGenerateContext = true)
{
//add the value and data type
ConstraintToDocumentElementHelper.AddElementValueAndDataType(this.prefix, aElement, aTemplateConstraint);
//create builders
var builder = new AssertionLineBuilder(aElement, this.igTypePlugin.TemplateIdentifierXpath, this.igTypePlugin.TemplateVersionIdentifierXpath, this.prefix);
if (aGenerateContext)
{
ContextBuilder contextBuilder = null;
if (aElement.ParentElement != null) //build the context
{
contextBuilder = new ContextBuilder(aElement.ParentElement, this.prefix); //the context will start from the first parent (or root)
builder.WithinContext(string.Format("{0}", contextBuilder.GetFullyQualifiedContextString()));
}
}
if (aTemplateConstraint.ContainedTemplateId != null)
{
var containedTemplate = this.tdb.Templates.Single(y => y.Id == aTemplateConstraint.ContainedTemplateId.Value);
if (containedTemplate != null)
{
builder.ContainsTemplate(containedTemplate.Oid);
}
if (aTemplateConstraint.Parent != null && aTemplateConstraint.Parent.IsBranch)
{
builder.WithinContext(aParentContext, ContextWrapper.Slash); //put the parent context into the element context, this is a special case where we want the full context within the template assertion
aParentContext = string.Empty; //clear the parent context b/c we have put it within the element's context
}
}
if (aTemplateConstraint.Parent != null)
{
Conformance conformance = ConformanceParser.Parse(aTemplateConstraint.Parent.Conformance);
if (conformance == Conformance.SHOULD)
{
builder.HasOptionalParentContext();
}
}
//TODO: Refactor this out, hardcoding these special cases for QRDA
if (this.prefix.ToLower().Contains("cda"))
{
aElement.ElementToAttributeOverrideMapping.Add("code", "code");
aElement.ElementToAttributeOverrideMapping.Add("statusCode", "code");
aElement.ElementToAttributeOverrideMapping.Add("realmCode", "code");
aElement.ElementToAttributeOverrideMapping.Add("externalDocument", "classCode");
}
return(builder);
}
private void DecorateParentOptionality(AssertionLineBuilder aAssertionLineBuilder, IConstraint aConstraint)
{
Cardinality cardinality = CardinalityParser.Parse(aConstraint.Cardinality);
if (aConstraint.Parent != null)
{
var current = aConstraint.Parent;
while (current != null)
{
cardinality = CardinalityParser.Parse(current.Cardinality);
if (cardinality.Left == 0)
{
aAssertionLineBuilder.HasOptionalParentContext();
break;
}
current = current.Parent;
}
}
}
/// <summary>
/// This is the main public interface for constraint parser. Takes the given constraint and builds an AssertionLineBuilder, applying the values, attributes, context, etc as necessary.
/// </summary>
/// <returns>
/// AssertionLineBuilder representing the values from the constraint given to the parser.
/// </returns>
public AssertionLineBuilder CreateAssertionLineBuilder()
{
IConstraint currentConstraint = this.constraint; //set current constraint, setting this as a variable allows us to move the current constraint to the parent when dealing with branches
if (string.IsNullOrEmpty(currentConstraint.Context) &&
(currentConstraint.ContainedTemplateId == null)) //we can have empty context but a contained template
{
return(null);
}
DocumentTemplateElement element = null;
DocumentTemplateElementAttribute attribute = null;
ConstraintToDocumentElementHelper.ParseContextForElementAndAttribute(currentConstraint, out element, out attribute);
DocumentTemplateElement parentElement =
ConstraintToDocumentElementHelper.CreateParentElementForAttribute(currentConstraint, attribute);
string parentContext =
CreateParentContextForElement(parentElement, element, currentConstraint);
AssertionLineBuilder asb = null;
AssertionLineBuilder branchedRootAsb = null;
// Determine if we should create the AssertionLineBuilder starting with an attribute or an element.
if (attribute != null)
{
DecorateAttributeFromConstraint(parentContext, attribute, currentConstraint, this.constraintValueSet);
if (currentConstraint.Parent != null && currentConstraint.IsBranch)
{
branchedRootAsb = CreateBranchedRootAssertionLineBuilderFromConstraint(currentConstraint);
}
else
{
asb = CreateAssertionLineBuilderForAttribute(parentElement, attribute, ref parentContext, ref currentConstraint);
}
}
else //this is an element
{
ConstraintToDocumentElementHelper.AddCodeSystemToElement(this.tdb, this.igTypePlugin, element, currentConstraint);
if (currentConstraint.IsBranch)
{
branchedRootAsb = CreateBranchedRootAssertionLineBuilderFromConstraint(currentConstraint);
branchedRootAsb.HasParentContext(parentContext);
}
else
{
//if we have a context already then we will append it at end so pass in false, else go ahead and generate (pass in true)
asb = CreateAssertionLineBuilderForElement(element, this.constraint, ref parentContext, string.IsNullOrEmpty(parentContext));
}
}
if (branchedRootAsb == null) //if this is a branched root then a separate builder was constructed
{
ConstraintToDocumentElementHelper.AddConformance(currentConstraint, asb);
ConstraintToDocumentElementHelper.AddCardinality(currentConstraint, asb);
// Determine if we have a valueset
if (this.constraintValueSet != null && currentConstraint.IsValueSetStatic)
{
var requireValueset = true;
if (!string.IsNullOrEmpty(currentConstraint.ValueConformance))
{
if (ConformanceParser.Parse(currentConstraint.Conformance) != ConformanceParser.Parse(currentConstraint.ValueConformance))
{
requireValueset = false;
}
}
if (requireValueset)
{
//TODO: Move into CDA specific library
//are we bound directly to a code or value element?
bool includeNullFlavor = false;
if (element != null && attribute == null && (element.ElementName == "value" || element.ElementName == "code"))
{
includeNullFlavor = true;
}
string valueSetIdentifier = this.igTypePlugin.ParseIdentifier(this.constraintValueSet.Oid);
asb.WithinValueSet(valueSetIdentifier, this.valueSetFile, this.vocabularyOutputType, includeNullFlavor);
}
}
//determine if we have a parent context
if (!string.IsNullOrEmpty(parentContext))
{
asb.HasParentContext(parentContext);
DecorateParentOptionality(asb, currentConstraint);
}
}
else //branched root, use that one instead
{
//determine if we have a parent context
if (!string.IsNullOrEmpty(parentContext))
{
branchedRootAsb.HasParentContext(parentContext);
DecorateParentOptionality(branchedRootAsb, currentConstraint);
}
}
return((branchedRootAsb == null) ? asb : branchedRootAsb);
}
private AssertionLineBuilder CreateBranchedRootAssertionLineBuilderFromConstraint(IConstraint aConstraint)
{
AssertionLineBuilder asb = null;
DocumentTemplateElement element = null;
DocumentTemplateElementAttribute attribute = null;
//parse the context
ContextParser contextParser = new ContextParser(aConstraint.Context);
contextParser.Parse(out element, out attribute);
if (element != null)
{
asb = new AssertionLineBuilder(element, this.igTypePlugin.TemplateIdentifierXpath, this.igTypePlugin.TemplateVersionIdentifierXpath, this.prefix);
if (aConstraint.ContainedTemplateId != null)
{
var containedTemplate = this.tdb.Templates.Single(y => y.Id == aConstraint.ContainedTemplateId.Value);
if (containedTemplate != null)
{
asb.ContainsTemplate(containedTemplate.Oid);
}
}
}
else if (attribute != null)
{
if (!string.IsNullOrEmpty(aConstraint.Value))
{
attribute.SingleValue = aConstraint.Value;
}
asb = new AssertionLineBuilder(attribute, this.igTypePlugin.TemplateIdentifierXpath, this.igTypePlugin.TemplateVersionIdentifierXpath);
}
else
{
throw new Exception();
}
ConstraintToDocumentElementHelper.AddCardinality(aConstraint, asb);
ConstraintToDocumentElementHelper.AddConformance(aConstraint, asb);
foreach (var child in aConstraint.Children)
{
DocumentTemplateElement childElement = null;
DocumentTemplateElementAttribute childAttribute = null;
ContextParser childContextParser = new ContextParser(child.Context);
childContextParser.Parse(out childElement, out childAttribute);
if (child.IsBranchIdentifier)
{
if (childElement != null)
{
asb.WithChildElementBuilder(CreateBranchedRootAssertionLineBuilderFromConstraint(child));
}
else if (childAttribute != null)
{
if (!string.IsNullOrEmpty(child.Value))
{
childAttribute.SingleValue = child.Value;
}
element.AddAttribute(childAttribute);
}
}
}
if (aConstraint.IsBranch)
{
asb.MarkAsBranchRoot();
}
return(asb);
}
public AssertionLineBuilder WithChildElementBuilder(AssertionLineBuilder aAssertionLineBuilder)
{
this._childElementAssertionBuilders.Add(aAssertionLineBuilder._element, aAssertionLineBuilder);
return(this);
}