public ProcessResult Process(ElementNode node, ProcessContext context = null,
Dictionary <string, object> settings = null)
{
EnsureArg.IsNotNull(node);
EnsureArg.IsNotNull(context?.VisitedNodes);
EnsureArg.IsNotNull(settings);
var substituteSetting = SubstituteSetting.CreateFromRuleSettings(settings);
ElementNode replacementNode;
// Get replacementNode for substitution
if (ModelInfo.IsPrimitive(node.InstanceType))
{
// Handle replaceWith value of string
replacementNode = GetPrimitiveNode(substituteSetting.ReplaceWith);
}
else
{
// Handle replaceWith value of json object
var replacementNodeType = ModelInfo.GetTypeForFhirType(node.InstanceType);
if (replacementNodeType == null)
{
// Shall never throws here
throw new Exception($"Node type is invalid at path {node.GetFhirPath()}.");
}
// Convert null object to empty object
var replaceWith = substituteSetting.ReplaceWith ?? "{}";
var replaceElement = _parser.Parse(replaceWith, replacementNodeType).ToTypedElement();
replacementNode = ElementNode.FromElement(replaceElement);
}
var keepNodes = new HashSet <ElementNode>();
// Retrieve all nodes that have been processed before to keep
_ = GenerateKeepNodeSetForSubstitution(node, context.VisitedNodes, keepNodes);
var processResult = SubstituteNode(node, replacementNode, context.VisitedNodes, keepNodes);
MarkSubstitutedFragmentAsVisited(node, context.VisitedNodes);
return(processResult);
}
public void GivenASubstituteSetting_WhenCreate_ReplacementValueShouldBeParsedCorrectly(Dictionary <string, object> config, string expectedValue)
{
var substituteSetting = SubstituteSetting.CreateFromRuleSettings(config);
Assert.Equal(expectedValue, substituteSetting.ReplaceWith);
}