public ActionResult <PathQueryOutput> QueryPath([FromBody] PathQueryInput input)
{
if (!ModelState.IsValid)
{
return(BadRequest(new LogicProcessOutput {
Errors = ModelState.Root.GetErrors().ToList()
}));
}
var path = JsonPath.Parse(input.Path);
var data = input.Data.RootElement;
var options = new PathEvaluationOptions
{
ExperimentalFeatures =
{
ProcessDataReferences = input.Options?.ResolveReferences ?? false
}
};
var result = path.Evaluate(data, options);
return(Ok(new PathQueryOutput {
Result = result
}));
}
public void ProblemStatementExample()
{
#pragma warning disable 1998
var options = new PathEvaluationOptions
{
ExperimentalFeatures =
{
ProcessDataReferences = true,
DataReferenceDownload = async uri =>
uri.OriginalString == "http://example.com/11"
? JsonDocument.Parse("{ \"c\": { \"d\": \"Hello\" } }")
: null
}
};
#pragma warning restore 1998
using var instance = JsonDocument.Parse("{ \"a\": { \"b\": {\"$ref\": \"http://example.com/11\" } } }");
var path = JsonPath.Parse("$.a.b.c.d");
var results = path.Evaluate(instance.RootElement, options);
Assert.AreEqual(1, results.Matches.Count);
Assert.AreEqual("Hello", results.Matches[0].Value.GetString());
}