public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
{
result = null;
bool found = false;
//Nice
if (indexes.Length == 2 && indexes[0] is string && indexes[1] is int)
{
var allNodes = _element.Elements(indexes[0].ToString());
int index = (int)indexes[1];
if (index < allNodes.Count())
{
result = new DynamicXElement(allNodes.ElementAt(index));
}
else
{
result = new DynamicXElement(null);
found = false;
return(found);
}
found = true;
}
return(found);
}
public override bool TryGetMember(GetMemberBinder binder, out object result)
{
var res = _element.Element(binder.Name);
result = new DynamicXElement(res);
if (result != null)
{
return(true);
}
return(false);
}
public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
{
result = null;
if (indexes.Length == 2 && indexes[0].GetType() == typeof(string) && indexes[1].GetType() == typeof(int))
{
var res = _element.Elements((string)indexes[0]).ElementAt((int)indexes[1]);
result = new DynamicXElement(res);
return(true);
}
return(false);
}
public override bool TryGetMember(GetMemberBinder binder, out object result)
{
bool resultNotNull = false;
//What happens if '_element.Element()' returns null?
result = new DynamicXElement(_element.Element(binder.Name));
if (result != null)
{
resultNotNull = true;
}
return(resultNotNull);
}
static void Main(string[] args)
{
dynamic planets = DynamicXElement.Create(XElement.Load("..\\..\\planets.xml"));
var mercury = planets.Planet; // first planet
Console.WriteLine(mercury);
var venus = planets["Planet", 1]; // second planet
Console.WriteLine(venus);
var ourMoon = planets["Planet", 2].Moons.Moon;
Console.WriteLine(ourMoon);
var marsMoon = planets["Planet", 3]["Moons", 0].Moon; // mars second moon
Console.WriteLine(marsMoon);
}
public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
{
bool isValid = false;
if (indexes.Length != 2 || typeof(string) != indexes[0].GetType() || typeof(int) != indexes[1].GetType())
{
result = null;
}
else
{
//What happens if '_element.Elements((string)indexes[0])' returns an empty collection?
result = new DynamicXElement(_element.Elements((string)indexes[0]).ElementAt((int)indexes[1]));
isValid = true;
}
return(isValid);
}
public override bool TryGetMember(GetMemberBinder binder, out object result)
{
XElement getElement = _element.Element(binder.Name);
if (getElement != null)
{
result = new DynamicXElement(getElement);
return(true);
}
else
{
result = null;
return(false);
}
}
static void Main(string[] args)
{
//Absolute file paths are rarely a good idea
dynamic planets = DynamicXElement.Create(XElement.Load(@"C:\Users\danny_000\Documents\Visual Studio 2015\Projects\DynamicXml\DynamicXml\planets.xml"));
var mercury = planets.Planet; // first planet
Console.WriteLine(mercury);
var venus = planets["Planet", 1]; // second planet
Console.WriteLine(venus);
var ourMoon = planets["Planet", 2].Moons.Moon;
Console.WriteLine(ourMoon);
var marsMoon = planets["Planet", 3]["Moons", 0].Moon; // mars second moon
Console.WriteLine(marsMoon);
}
public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
{
if (indexes.Length != 2 || typeof(string) != indexes[0].GetType() || typeof(int) != indexes[1].GetType())
{
result = null;
return(false);
}
var collectionElements = _element.Elements((string)indexes[0]);
//What happens if 'collectionElements' is empty?
var res = collectionElements.ElementAt((int)indexes[1]);
result = new DynamicXElement(res);
if (result == null)
{
return(false);
}
return(true);
}
static void Main(string[] args)
{
dynamic planets = DynamicXElement.Create(XElement.Load("Plantes.xml"));
var mercury = planets.Planet;
Console.WriteLine(mercury);
var venus = planets["Planet", 1];
Console.WriteLine(venus);
var ourMoon = planets["Planet", 2].Moons.Moon;
Console.WriteLine(ourMoon);
var marsMoon = planets["Planet", 3]["Moons", 0].Moon;
Console.WriteLine(marsMoon);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine(planets.ToString());
Console.WriteLine();
Console.WriteLine();
planets["Planet", 0]["Name", 0] = "Mercury1";
planets["Planet", 1]["Name", 0] = "NewVenus";
planets["Planet", 3]["Moons", 0]["Moon", 0] = "NewPhobos";
Console.WriteLine(planets.Planet);
Console.WriteLine(planets["Planet", 1]);
Console.WriteLine(planets["Planet", 3]["Moons", 0].Moon);
Console.WriteLine();
Console.WriteLine();
planets.Planet.Name = "Abra";
Console.WriteLine(planets["Planet", 0]["Name", 0]);
planets.Planet = "NewPlanet";
Console.WriteLine(planets.ToString());
}
public override bool TryGetMember(GetMemberBinder binder, out object result)
{
result = new DynamicXElement(_element.Element(binder.Name));
return(result != null);
}
public static dynamic Create(XElement element)
{
DynamicXElement dynamicXElement = new DynamicXElement(element);
return(dynamicXElement);
}
