From a89c812c0678887b9d64445afe267070226158c0 Mon Sep 17 00:00:00 2001
From: Speiger <speiger@gmx.net>
Date: Sat, 17 Jun 2023 01:22:56 +0200
Subject: [PATCH] Added Infinite Iterators

---
 Changelog.md                                  |  1 +
 .../templates/utils/Iterators.template        | 60 ++++++++++++++++++-
 2 files changed, 60 insertions(+), 1 deletion(-)

diff --git a/Changelog.md b/Changelog.md
index cd7085f..1e32e89 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -6,6 +6,7 @@
 - Added: ToArray/pushTop functions to Stack.class.
 - Added: ComputeNonDefault functions which will contain the current behavior of the Compute function, while the Compute will be changed to be more java compliant!
 - Added: List.reversed, which returns a SubList that has all elements in reversed order and also inserts reversed.
+- Added: Iterators.infinite as an option that will create a Infinite Iterator based on the inputted one.
 - Fixed: SetValue wasn't working on forEach implementations.
 - Fixed: Compute functions now perform with primitives more java compliant. Meaning that getDefaultReturnValue function no longer is seen as null.
 
diff --git a/src/builder/resources/speiger/assets/collections/templates/utils/Iterators.template b/src/builder/resources/speiger/assets/collections/templates/utils/Iterators.template
index 9b7ffa7..4734daf 100644
--- a/src/builder/resources/speiger/assets/collections/templates/utils/Iterators.template
+++ b/src/builder/resources/speiger/assets/collections/templates/utils/Iterators.template
@@ -4,8 +4,8 @@ import java.util.Iterator;
 import java.util.NoSuchElementException;
 #if TYPE_OBJECT
 import java.util.Comparator;
-import java.util.function.CONSUMER;
 #endif
+import java.util.function.Consumer;
 #if JDK_FUNCTION
 import java.util.function.PREDICATE;
 #endif
@@ -18,6 +18,7 @@ import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.PACKAGE.functions.COMPARATOR;
 #endif
 import speiger.src.collections.PACKAGE.functions.function.TO_OBJECT_FUNCTION;
+import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
@@ -33,6 +34,7 @@ import speiger.src.collections.PACKAGE.lists.LINKED_LIST;
 import speiger.src.collections.PACKAGE.lists.LIST_ITERATOR;
 import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
 import speiger.src.collections.PACKAGE.collections.COLLECTION;
+import speiger.src.collections.PACKAGE.utils.COLLECTIONS.CollectionWrapper;
 
 /**
  * A Helper class for Iterators
@@ -245,6 +247,26 @@ public class ITERATORS
 		return new RepeatingIteratorBRACES(wrap(iterator), repeats);
 	}
 	
+	/**
+	 * A Helper function that creates a infinitely looping iterator
+	 * @param iterator that should be looping infinitely
+	 * @Type(T)
+	 * @return a infinitely looping iterator
+	 */
+	public static GENERIC_KEY_BRACES ITERATOR KEY_GENERIC_TYPE infinite(ITERATOR KEY_GENERIC_TYPE iterator) {
+		return new InfiniteIteratorBRACES(iterator);
+	}
+	
+	/**
+	 * A Helper function that creates a infinitely looping iterator from a Java Iterator
+	 * @param iterator that should be looping infinitely
+	 * @Type(T)
+	 * @return a infinitely looping iterator
+	 */
+	public static GENERIC_KEY_BRACES ITERATOR KEY_GENERIC_TYPE infinite(Iterator<? extends CLASS_TYPE> iterator) {
+		return new InfiniteIteratorBRACES(wrap(iterator));
+	}
+	
 	/**
 	 * A Helper function that hard limits the Iterator to a specific size
 	 * @param iterator that should be limited
@@ -918,6 +940,42 @@ public class ITERATORS
 		}
 	}
 	
+	private static class InfiniteIterator KEY_GENERIC_TYPE implements ITERATOR KEY_GENERIC_TYPE
+	{
+		ITERATOR KEY_GENERIC_TYPE iter;
+		CollectionWrapper KEY_GENERIC_TYPE looper = COLLECTIONS.wrapper();
+		int index = 0;
+		
+		public InfiniteIterator(ITERATOR KEY_GENERIC_TYPE iter) {
+			this.iter = iter;
+		}
+		
+		@Override
+		public boolean hasNext() {
+			return true;
+		}
+
+		@Override
+		public KEY_TYPE NEXT() {
+			if(iter != null) {
+				if(iter.hasNext()) {
+					KEY_TYPE value = iter.NEXT();
+					looper.add(value);
+					return value;
+				}
+				else iter = null;
+			}
+			return looper.GET_KEY((index++) % looper.size());
+		}
+		
+#if !TYPE_OBJECT
+		@Override
+		public void forEachRemaining(CONSUMER action) { throw new UnsupportedOperationException("This is a instant deadlock, so unsupported"); }
+#endif
+		public void forEachRemaining(Consumer<? super CLASS_TYPE> action) { throw new UnsupportedOperationException("This is a instant deadlock, so unsupported"); }
+		public <E> void forEachRemaining(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) { throw new UnsupportedOperationException("This is a instant deadlock, so unsupported"); }
+	}
+	
 	private static class RepeatingIterator KEY_GENERIC_TYPE implements ITERATOR KEY_GENERIC_TYPE
 	{
 		final int repeats;