public ScopedNavigator(IElementNavigator wrapped)
{
_wrapped = wrapped.Clone();
if (this.AtResource)
{
ResourceContext = wrapped.Clone();
}
}
public bool MoveToFirstChild(string nameFilter = null)
{
ScopedNavigator me = null;
if (this.AtResource)
{
me = (ScopedNavigator)this.Clone();
// Is the current position not a contained resource?
if (Parent?.ContainedResources().FirstOrDefault() == null)
{
ResourceContext = _wrapped.Clone();
}
}
if (!_wrapped.MoveToFirstChild(nameFilter))
{
return(false);
}
// If the current position is a resource, we'll be the new _parentScope
if (me != null)
{
Parent = me;
}
_cache = new Cache();
return(true);
}
public Scope(IElementNavigator container, string uri)
{
Container = container.Clone();
Path = container.Location;
IsBundle = ModelInfo.FhirTypeNameToFhirType(container.Type) == FHIRDefinedType.Bundle;
Uri = uri;
_children = new Lazy <List <Scope> >(createScopeListForContainer);
}
/// <summary>Harvest the value of a child element into a property bag.</summary>
/// <param name="nav">An <see cref="IElementNavigator"/> instance.</param>
/// <param name="properties">A property bag to store harvested summary information.</param>
/// <param name="key">A property key.</param>
/// <param name="element">An element name.</param>
/// <param name="childElement">A child element name.</param>
public static bool HarvestValue(this IElementNavigator nav, IDictionary <string, object> properties, string key, string element, string childElement)
{
if (nav.Find(element))
{
var childNav = nav.Clone();
return(childNav.MoveToFirstChild(childElement) && childNav.HarvestValue(properties, key));
}
return(false);
}
public static IEnumerable <IElementNavigator> Children(this IElementNavigator navigator, string name = null)
{
var nav = navigator.Clone();
if (nav.MoveToFirstChild(name))
{
do
{
yield return(nav.Clone());
}while (nav.MoveToNext(name));
}
}
public static IEnumerable <object> Values(this IElementNavigator navigator)
{
var nav = navigator.Clone();
if (nav.MoveToFirstChild())
{
do
{
yield return(nav.Value);
}while (nav.MoveToNext());
}
}
public ElementNavToTypedElementAdapter(IElementNavigator nav)
{
if (nav == null)
{
throw Error.ArgumentNull(nameof(nav));
}
Current = nav.Clone();
if (nav is IExceptionSource ies && ies.ExceptionHandler == null)
{
ies.ExceptionHandler = (o, a) => ExceptionHandler.NotifyOrThrow(o, a);
}
}
public static void Render(IElementNavigator navigator, int nest = 0)
{
do
{
string indent = new string(' ', nest * 4);
Debug.WriteLine($"{indent}" + ToString(navigator));
var child = navigator.Clone();
if (child.MoveToFirstChild())
{
Render(child, nest + 1);
}
}while (navigator.MoveToNext());
}
private static ElementNode buildNode(IElementNavigator navigator)
{
var me = new ElementNode(navigator.Name, navigator.Value, navigator.Type);
var childNav = navigator.Clone();
if (childNav.MoveToFirstChild())
{
do
{
me.Add(buildNode(childNav));
} while (childNav.MoveToNext());
}
return(me);
}
public static IEnumerable <Scope> Harvest(IElementNavigator instance)
{
var scanner = instance.Clone();
if (ModelInfo.FhirTypeNameToFhirType(scanner.Type) == FHIRDefinedType.Bundle)
{
return(HarvestBundle(scanner));
}
else if (ModelInfo.IsKnownResource(instance.Type))
{
return(HarvestResource(instance));
}
else
{
return(Enumerable.Empty <Scope>());
}
}
/// <summary>Harvest extension values into a property bag.</summary>
/// <param name="nav">An <see cref="IElementNavigator"/> instance.</param>
/// <param name="properties">A property bag to store harvested summary information.</param>
/// <param name="extensionValueHarvester">Callback function called for each individual extension entry.</param>
public static void HarvestExtensions(this IElementNavigator nav, IDictionary <string, object> properties, Action <IElementNavigator, IDictionary <string, object>, string> extensionValueHarvester)
{
const string extension = "extension";
if (nav.Find(extension))
{
do
{
var childNav = nav.Clone();
if (childNav.MoveToFirstChild("url"))
{
if (childNav.Value is string url)
{
extensionValueHarvester(childNav, properties, url);
}
}
// [WMR 20171219] BUG: MoveToNext advances to extension.url (child attribute) instead of the next extension element
} while (nav.MoveToNext(extension));
}
}
/// <summary>Harvest an array of child element values into a property bag.</summary>
/// <param name="nav">An <see cref="IElementNavigator"/> instance.</param>
/// <param name="properties">A property bag to store harvested summary information.</param>
/// <param name="key">A property key.</param>
/// <param name="element">An element name.</param>
/// <param name="childElement">A child element name.</param>
public static bool HarvestValues(this IElementNavigator nav, IDictionary <string, object> properties, string key, string element, string childElement)
{
if (nav.Find(element))
{
var values = new List <string>();
do
{
var childNav = nav.Clone();
if (childNav.MoveToFirstChild(childElement))
{
HarvestValue(childNav, values);
}
} while (nav.MoveToNext(element));
if (values.Count > 0)
{
properties[key] = values.ToArray();
return(true);
}
}
return(false);
}
private void validateContact(IElementNavigator patient)
{
var contact = patient.Clone();
Assert.IsTrue(contact.MoveToFirstChild()); // contact.name
Assert.IsTrue(contact.MoveToFirstChild()); // contact.name.family[0]
Assert.IsNull(contact.Value);
Assert.IsTrue(contact.MoveToNext()); // family[1]
Assert.AreEqual("du", contact.Value);
Assert.IsTrue(contact.MoveToNext()); // family[2]
Assert.IsTrue(contact.MoveToNext()); // family[3]
Assert.AreEqual("Marché", contact.Value);
Assert.IsFalse(contact.MoveToFirstChild());
Assert.IsTrue(contact.MoveToNext()); // family[4]
Assert.IsNull(contact.Value);
Assert.IsTrue(contact.MoveToFirstChild()); // family[4].extension
Assert.AreEqual("extension", contact.Name);
}
public IElementNavigator Clone()
{
var n = _navigator.Clone();
return(new PathNavigator(n, this.Location));
}
public IElementNavigator Clone() => new ElementNavFhirReader(_current.Clone(), DisallowXsiAttributesOnRoot);
public ScopedNavigator(IElementNavigator wrapped)
{
_wrapped = wrapped.Clone();
}
public static bool HasChildren(this IElementNavigator navigator)
{
var nav = navigator.Clone();
return(nav.MoveToFirstChild());
}