add manifest versioning

minecraft/src/main/resources/frog.mod.toml

@@ -1,4 +1,7 @@
 [frog]
+manifest_version = "1.0.0"
+
+[frog.mod]
 id = "example_mod"
 name = "Example Mod"
 version = "1.0.0"

src/main/java/org/ecorous/esnesnon/nonsense/loader/impl/mod/ModPropertiesReader.java

@@ -7,13 +7,14 @@ import java.nio.file.FileSystem;
 import java.nio.file.FileSystems;
 import java.nio.file.Path;
 import java.util.*;
+import java.util.stream.Collectors;
 
 import com.electronwill.nightconfig.core.CommentedConfig;
 import com.electronwill.nightconfig.core.UnmodifiableConfig;
 import com.electronwill.nightconfig.core.file.FileNotFoundAction;
 import com.electronwill.nightconfig.toml.TomlParser;
+import lombok.AllArgsConstructor;
 import org.ecorous.esnesnon.nonsense.loader.api.mod.*;
-import org.ecorous.esnesnon.nonsense.loader.impl.SemVerParseException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -43,12 +44,24 @@ public class ModPropertiesReader {
 	}
 
 	private static ModProperties readProperties(UnmodifiableConfig config) {
-		String id = config.get("frog.id");
-		String name = config.get("frog.name");
-		String version = config.get("frog.version");
-		String license = config.get("frog.license");
+		String manifestVer = config.get("frog.manifest_version");
 
-		List<UnmodifiableConfig> creditsList = config.get("frog.credits");
+		try {
+			return ManifestVersion.get(manifestVer).parse(config);
+		} catch (IOException e) {
+			throw new UncheckedIOException(e);
+		}
+	}
+
+	@AllArgsConstructor
+	private enum ManifestVersion {
+		V1_0_0("1.0.0", config -> {
+			String id = config.get("frog.mod.id");
+			String name = config.get("frog.mod.name");
+			String version = config.get("frog.mod.version");
+			String license = config.get("frog.mod.license");
+
+			List<UnmodifiableConfig> creditsList = config.get("frog.mod.credits");
 			Map<String, Collection<String>> credits = new HashMap<>();
 			if (creditsList != null) {
 				creditsList.forEach(c -> credits.put(c.get("name"), c.get("roles")));
@@ -63,10 +76,22 @@ public class ModPropertiesReader {
 			if (extensionsConfig != null) {
 				extensionsConfig.entrySet().forEach(entry -> extensions.put(entry.getKey(), entry.getValue()));
 			}
-		try {
+
 			return new ModPropertiesImpl(id, name, SemVerImpl.parse(version), License.fromId(license), ModCredits.of(credits), new ModDependencies(depends, breaks, suggests), ModExtensions.of(extensions));
-		} catch (SemVerParseException e) {
-			throw new UncheckedIOException(e);
+		});
+
+		private final String version;
+		private final Parser parser;
+
+		private static final Map<String, Parser> versions = Arrays.stream(values()).collect(Collectors.toMap(v -> v.version, v -> v.parser));
+
+		public static Parser get(String version){
+			return versions.get(version);
+		}
+
+		@FunctionalInterface
+		public interface Parser {
+			ModProperties parse(UnmodifiableConfig config) throws IOException;
 		}
 	}
 }

src/main/java/org/ecorous/esnesnon/nonsense/loader/impl/plugin/NonsensePlugin.java

@@ -18,7 +18,7 @@ public interface NonsensePlugin extends Runnable {
 		return false;
 	}
 
-	default void init(LoaderImpl loader) {
+	default void init(LoaderImpl loader) throws Exception {
 	}
 
 	Collection<ModProperties> getMods();

src/main/java/org/ecorous/esnesnon/nonsense/loader/impl/plugin/game/minecraft/Minecraft.java

@@ -44,7 +44,7 @@ public class Minecraft implements NonsensePlugin {
 	}
 
 	@Override
-	public void init(LoaderImpl loader) {
+	public void init(LoaderImpl loader) throws Exception {
 		Path remappedGamePath = loader.getGameDir().resolve(".nonsense/remappedJars").resolve(version).resolve("game-" + version + "-remapped.jar");
 
 		if (!Files.exists(remappedGamePath)){

src/main/resources/frog.mod.toml

@@ -1,4 +1,7 @@
 [frog]
+manifest_version = "1.0.0"
+
+[frog.mod]
 id = "frogloader"
 name = "Nonsense Loader"
 version = "${version}"