Added tentative support for subrules

Added a new sort of config reader that tentatively
supports subrules through indentation. I need to
actually write a parser that uses it though.

I think something to do with trees would work well
for testing it.

2 files changed, 12 insertions, 1 deletions

diff --git a/BJC-Utils2/src/main/java/bjc/utils/funcdata/IMap.java b/BJC-Utils2/src/main/java/bjc/utils/funcdata/IMap.java
index 5e0c67e..f1616b2 100644
--- a/BJC-Utils2/src/main/java/bjc/utils/funcdata/IMap.java
+++ b/BJC-Utils2/src/main/java/bjc/utils/funcdata/IMap.java
@@ -137,4 +137,14 @@ public interface IMap<KeyType, ValueType> {
 	 * Delete all the values in the map
 	 */
 	void clear();
+
+	default ValueType getOrDefault(KeyType key, ValueType defaultValue) {
+		try {
+			return get(key);
+		} catch (@SuppressWarnings("unused") IllegalArgumentException iaex) {
+			// We don't care about this, because it indicates a key is
+			// missing
+			return defaultValue;
+		}
+	}
 }
\ No newline at end of file
diff --git a/BJC-Utils2/src/main/java/bjc/utils/funcdata/Tree.java b/BJC-Utils2/src/main/java/bjc/utils/funcdata/Tree.java
index 834c124..77b5673 100644
--- a/BJC-Utils2/src/main/java/bjc/utils/funcdata/Tree.java
+++ b/BJC-Utils2/src/main/java/bjc/utils/funcdata/Tree.java
@@ -134,7 +134,8 @@ public class Tree<ContainedType> implements ITree<ContainedType> {
 			Function<IList<NewType>, NewType> nodeTransformer = nodeCollapser
 					.apply(data);
 
-			IList<NewType> collapsedChildren = children.map((child) -> {
+			@SuppressWarnings("unchecked")
+			IList<NewType> collapsedChildren = (IList<NewType>) children.map((child) -> {
 				return child.collapse(leafTransform, nodeCollapser,
 						(subTreeVal) -> subTreeVal);
 			});