public override bool TryInvokeMember(InvokeMemberBinder binder, object[] args, out object result)
{
Debug.Assert(binder != null);
Debug.Assert(args != null);
if (binder.IsVerb())
{
// build a rest request based on this instance, parent instances and invocation arguments
var builder = new RequestBuilder(this);
var request = builder.BuildRequest(binder, args);
// the binder name (i.e. the dynamic method name) is the verb
// example: proxy.locations.get() binder.Name == "get"
var invocation = new RestInvocation(_client, binder.Name);
result = invocation.InvokeAsync(request); // this will return a Task<dynamic> with the rest async call
}
else
{
if (args.Length != 1)
{
throw new InvalidOperationException("The segment escape sequence must have exactly 1 unnamed parameter");
}
// this is for when we escape a url segment by passing it as an argument to a method invocation
// example: proxy.segment1("escaped")
// here we create two new dynamic objects, 1 for "segment1" which is the method name
// and then we create one for the escaped segment passed as an argument - "escaped" in the example
var tmp = new RestProxy(_client, this, binder.Name, KeywordEscapeCharacter);
result = new RestProxy(_client, tmp, args[0].ToString(), KeywordEscapeCharacter);
}
return(true);
}
internal RestProxy(IRestClient client, RestProxy parent, string name, char keywordEscapeCharacter)
{
Debug.Assert(client != null);
_client = client;
_parent = parent;
_name = name;
KeywordEscapeCharacter = keywordEscapeCharacter;
}
public override bool TryGetMember(GetMemberBinder binder, out object result)
{
Debug.Assert(binder != null);
// this gets invoked when a dynamic property is accessed
// example: proxy.locations will invoke here with a binder named locations
// each dynamic property is treated as a url segment
result = new RestProxy(_client, this, binder.Name, KeywordEscapeCharacter);
return(true);
}
public override bool TryInvoke(InvokeBinder binder, object[] args, out object result)
{
Debug.Assert(binder != null);
if (args.Length != 1)
{
throw new InvalidOperationException("The segment escape sequence must have exactly 1 unnamed parameter");
}
// this is called when the dynamic object is invoked like a delagate
// dynamic segment1 = proxy.segment1;
// dynamic chain = segment1("escaped"); <- this calls TryInvoke
result = new RestProxy(_client, this, args[0].ToString(), KeywordEscapeCharacter);
return(true);
}
public RequestBuilder(RestProxy proxy)
{
Debug.Assert(proxy != null);
_proxy = proxy;
}
/// <summary> /// Factory method used to create instances of derived child nodes. Overriden in derived classes to create derived instances /// </summary> /// <param name="parent">The parent of the newly created child</param> /// <param name="name">The name of the newly created child</param> /// <returns>Derived child instance</returns> protected abstract RestProxy CreateProxyNode(RestProxy parent, string name);
/// <summary>
/// ctor
/// </summary>
/// <param name="parent"><see cref="Parent"/></param>
/// <param name="name"><see cref="Name"/></param>
protected RestProxy(RestProxy parent, string name)
{
Parent = parent;
Name = name;
}
