public bool IsSearchParameterSupported(SearchParameterInfo parameterInfo)
{
EnsureArg.IsNotNull(parameterInfo, nameof(parameterInfo));
Expression parsed = _compiler.Parse(parameterInfo.Expression);
(SearchParamType Type, Expression, Uri DefinitionUrl)[] componentExpressions = parameterInfo.Component
public void TestTreeVisualizerVisitor()
{
var compiler = new FhirPathCompiler();
var expr = compiler.Parse("doSomething('ha!', 4, {}, $this, somethingElse(true))");
var result = expr.Dump();
Debug.WriteLine(result);
}
public (bool Supported, bool IsPartiallySupported) IsSearchParameterSupported(SearchParameterInfo parameterInfo)
{
EnsureArg.IsNotNull(parameterInfo, nameof(parameterInfo));
if (string.IsNullOrWhiteSpace(parameterInfo.Expression))
{
return(false, false);
}
Expression parsed = _compiler.Parse(parameterInfo.Expression);
(SearchParamType Type, Expression, Uri DefinitionUrl)[] componentExpressions = parameterInfo.Component
public void GivenAFhirPathExpressionWithFirstFunction_WhenResolvingTypes_ThenTheyAreReturnedCorrectly()
{
var expression = _compiler.Parse("Patient.extension.where(url = 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-race').first().extension.where(url = 'ombCategory').value");
SearchParameterTypeResult[] results = SearchParameterToTypeResolver.Resolve(
KnownResourceTypes.Patient,
(SearchParamType.Token, expression, new Uri("http://hl7.org/fhir/SearchParameter/Patient-race")),
null).ToArray();
var types = results.Select(x => x.FhirNodeType).OrderBy(x => x).ToArray();
if (ModelInfoProvider.Version == FhirSpecification.Stu3)
{
Assert.Equal(51, types.Length);
}
else if (ModelInfoProvider.Version == FhirSpecification.R4)
{
Assert.Equal(59, types.Length);
}
else
{
Assert.Equal(62, types.Length);
}
}
public Resource Apply(Resource resource, Parameters patch)
{
foreach (var component in patch.Parameter.Where(x => x.Name == "operation"))
{
var operationType = component.Part.First(x => x.Name == "type").Value.ToString();
var path = component.Part.First(x => x.Name == "path").Value.ToString();
var name = component.Part.FirstOrDefault(x => x.Name == "name")?.Value.ToString();
var value = component.Part.FirstOrDefault(x => x.Name == "value")?.Value ?? component.Part.FirstOrDefault(x => x.Name == "value")?.Part[0].Value;
var parameterExpression = Expression.Parameter(resource.GetType(), "x");
var expression = operationType == "add" ? _compiler.Parse($"{path}.{name}") : _compiler.Parse(path);
var result = expression.Accept(
new ResourceVisitor(parameterExpression),
new fhirExpression.SymbolTable());
var valueExpression = CreateValueExpression(value, result);
switch (operationType)
{
case "add":
result = AddValue(result, valueExpression);
break;
case "insert":
result = InsertValue(result, valueExpression);
break;
case "replace":
result = Expression.Assign(result, valueExpression);
break;
case "delete":
result = DeleteValue(result);
break;
case "move":
var source = int.Parse(component.Part.First(x => x.Name == "source").Value.ToString() !);
var destination = int.Parse(component.Part.First(x => x.Name == "destination").Value.ToString() !);
result = MoveItem(result, source, destination);
break;
}
var compiled = Expression.Lambda(result !, parameterExpression).Compile();
compiled.DynamicInvoke(resource);
}
return(resource);
}
public ParseExpressionOutCome ParseExpression(string Expression)
{
var OutCome = new ParseExpressionOutCome();
OutCome.ExpressionString = Expression;
FhirPathCompiler Compiler = new FhirPathCompiler();
try
{
OutCome.Expression = Compiler.Parse(Expression);
OutCome.PasreOk = true;
return(OutCome);
}
catch (Exception Exec)
{
OutCome.PasreOk = false;
OutCome.ErrorMessage = Exec.Message;
return(OutCome);
}
}
public ParseExpressionOutCome ParseExpression(string Expression)
{
var OutCome = new ParseExpressionOutCome();
OutCome.ExpressionString = Expression;
Hl7.FhirPath.FhirPathCompiler.DefaultSymbolTable.AddFhirExtensions();
FhirPathCompiler Compiler = new FhirPathCompiler();
try
{
OutCome.Expression = Compiler.Parse(Expression);
OutCome.PasreOk = true;
return(OutCome);
}
catch (Exception Exec)
{
OutCome.PasreOk = false;
OutCome.ErrorMessage = Exec.Message;
return(OutCome);
}
}