Added subconfig capability to Forge's config system.

1 files changed, 138 insertions, 0 deletions

diff --git a/src/main/java/com/anthonyhilyard/iceberg/util/DynamicSubconfig.java b/src/main/java/com/anthonyhilyard/iceberg/util/DynamicSubconfig.java
new file mode 100644
index 0000000..3ed17f3
--- /dev/null
+++ b/src/main/java/com/anthonyhilyard/iceberg/util/DynamicSubconfig.java
@@ -0,0 +1,138 @@
+package com.anthonyhilyard.iceberg.util;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.function.Supplier;
+
+import com.electronwill.nightconfig.core.AbstractCommentedConfig;
+import com.electronwill.nightconfig.core.ConfigFormat;
+import com.electronwill.nightconfig.core.UnmodifiableCommentedConfig;
+import com.electronwill.nightconfig.core.UnmodifiableConfig;
+
+/**
+ * An exact copy of SimpleCommentedConfig, but this class is specifically meant for subconfigs.
+ * That being said--the class of a config is checked during config validation, and subconfigs are allowed
+ * extra leniency in config keys.
+ */
+final public class DynamicSubconfig extends AbstractCommentedConfig
+{
+	private final ConfigFormat<?> configFormat;
+
+	/**
+	 * Creates a Subconfig with the specified format.
+	 *
+	 * @param configFormat the config's format
+	 */
+	DynamicSubconfig(ConfigFormat<?> configFormat, boolean concurrent)
+	{
+		super(concurrent ? new ConcurrentHashMap<>() : new HashMap<>());
+		this.configFormat = configFormat;
+	}
+
+	/**
+	 * Creates a Subconfig with the specified data and format. The map is used as it is and
+	 * isn't copied.
+	 */
+	DynamicSubconfig(Map<String, Object> valueMap, ConfigFormat<?> configFormat)
+	{
+		super(valueMap);
+		this.configFormat = configFormat;
+	}
+	
+	/**
+	 * Creates a Subconfig with the specified backing map supplier and format.
+	 * 
+	 * @param mapCreator the supplier for backing maps
+	 * @param configFormat the config's format
+	 */
+	DynamicSubconfig(Supplier<Map<String, Object>> mapCreator, ConfigFormat<?> configFormat)
+	{
+		super(mapCreator);
+		this.configFormat = configFormat;
+	}
+
+	/**
+	 * Creates a Subconfig by copying a config and with the specified format.
+	 *
+	 * @param toCopy       the config to copy
+	 * @param configFormat the config's format
+	 */
+	DynamicSubconfig(UnmodifiableConfig toCopy, ConfigFormat<?> configFormat,
+						  boolean concurrent)
+	{
+		super(toCopy, concurrent);
+		this.configFormat = configFormat;
+	}
+	
+	/**
+	 * Creates a Subconfig by copying a config, with the specified backing map creator and format.
+	 *
+	 * @param toCopy       the config to copy
+	 * @param mapCreator   the supplier for backing maps
+	 * @param configFormat the config's format
+	 */
+	public DynamicSubconfig(UnmodifiableConfig toCopy, Supplier<Map<String, Object>> mapCreator,
+			ConfigFormat<?> configFormat)
+	{
+		super(toCopy, mapCreator);
+		this.configFormat = configFormat;
+	}
+
+	/**
+	 * Creates a Subconfig by copying a config and with the specified format.
+	 *
+	 * @param toCopy       the config to copy
+	 * @param configFormat the config's format
+	 */
+	DynamicSubconfig(UnmodifiableCommentedConfig toCopy, ConfigFormat<?> configFormat,
+						  boolean concurrent)
+	{
+		super(toCopy, concurrent);
+		this.configFormat = configFormat;
+	}
+	
+	/**
+	 * Creates a Subconfig by copying a config, with the specified backing map creator and format.
+	 *
+	 * @param toCopy       the config to copy
+	 * @param mapCreator   the supplier for backing maps
+	 * @param configFormat the config's format
+	 */
+	public DynamicSubconfig(UnmodifiableCommentedConfig toCopy, Supplier<Map<String, Object>> mapCreator,
+			ConfigFormat<?> configFormat)
+	{
+		super(toCopy, mapCreator);
+		this.configFormat = configFormat;
+	}
+
+	@Override
+	public ConfigFormat<?> configFormat()
+	{
+		return configFormat;
+	}
+
+	@Override
+	public DynamicSubconfig createSubConfig()
+	{
+		return new DynamicSubconfig(mapCreator, configFormat);
+	}
+
+	@Override
+	public AbstractCommentedConfig clone()
+	{
+		return new DynamicSubconfig(this, mapCreator, configFormat);
+	}
+
+	/**
+	 * Creates a new Subconfig with the content of the given config. The returned config will have
+	 * the same format as the copied config.
+	 *
+	 * @param config the config to copy
+	 * @return a copy of the config
+	 */
+	static DynamicSubconfig copy(UnmodifiableConfig config)
+	{
+		return new DynamicSubconfig(config, config.configFormat(), false);
+	}
+}
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