using System;
using System.Collections;
using System.Reflection;
namespace Python.Runtime
{
//========================================================================
// Implements a generic Python iterator for IEnumerable objects and
// managed array objects. This supports 'for i in object:' in Python.
//========================================================================
internal class Iterator : ExtensionType
{
IEnumerator iter;
public Iterator(IEnumerator e) : base()
{
this.iter = e;
}
//====================================================================
// Implements support for the Python iteration protocol.
//====================================================================
public static IntPtr tp_iternext(IntPtr ob)
{
Iterator self = GetManagedObject(ob) as Iterator;
if (!self.iter.MoveNext())
{
Exceptions.SetError(Exceptions.StopIteration, Runtime.PyNone);
return IntPtr.Zero;
}
object item = self.iter.Current;
return Converter.ToPythonImplicit(item);
}
public static IntPtr tp_iter(IntPtr ob)
{
Runtime.XIncref(ob);
return ob;
}
}
}