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.

1 files changed, 10 insertions, 0 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;
+		}
+	}
 }
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