Any X (#6728)

* Add any-type & named.

* Basic test for ExprName.

* Make existing types any-types.

* Register special any-info (for checking purposes).

* Register any named type.

* Add converters for everything to any-named.

* Basic changes to ExprName.

* Add more tests.

* Add any-named lang entry.

* Add any-sized type.

* Support current types as amount.

* New amount support + test.

* Change tests so they pass :)

* Fix world converter for 1.13.

* Support containers.

* Remove converter method I didn't use.

* Clean up code for Java 17.

* Apply suggestions from code review

Co-authored-by: sovdee <10354869+sovdeeth@users.noreply.github.com>

* Do change requests.

* Patterns.

* Add docs.

* Fix.

* Support numbered in empty.

* Switch numbers for walrus.

* Fix spacing.

* Add user pattern.

* Fix imports.

* Apply suggestions from code review

Co-authored-by: Patrick Miller <apickledwalrus@gmail.com>

* Fix switch.

* Change method in slot.

* Remove method for walrus.

* Remove throw.

* ExprName Fixes

* Apply suggestions from code review

Co-authored-by: Patrick Miller <apickledwalrus@gmail.com>

* Fix incompatibility in dependency.

* Patch entity comparison thingy.

* Do requested changes.

* Some changes.

---------

Co-authored-by: sovdee <10354869+sovdeeth@users.noreply.github.com>
Co-authored-by: Patrick Miller <apickledwalrus@gmail.com>
Co-authored-by: Efnilite <35348263+Efnilite@users.noreply.github.com>

src/main/java/ch/njol/skript/aliases/ItemType.java

@@ -4,6 +4,8 @@
 import ch.njol.skript.bukkitutil.BukkitUnsafe;
 import ch.njol.skript.bukkitutil.ItemUtils;
 import ch.njol.skript.lang.Unit;
+import ch.njol.skript.lang.util.common.AnyAmount;
+import ch.njol.skript.lang.util.common.AnyNamed;
 import ch.njol.skript.localization.Adjective;
 import ch.njol.skript.localization.GeneralWords;
 import ch.njol.skript.localization.Language;
@@ -35,6 +37,7 @@
 import org.bukkit.inventory.PlayerInventory;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.inventory.meta.SkullMeta;
+import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.io.NotSerializableException;
@@ -55,7 +58,8 @@
 import java.util.stream.Collectors;
 
 @ContainerType(ItemStack.class)
-public class ItemType implements Unit, Iterable<ItemData>, Container<ItemStack>, YggdrasilExtendedSerializable {
+public class ItemType implements Unit, Iterable<ItemData>, Container<ItemStack>, YggdrasilExtendedSerializable,
+	AnyNamed, AnyAmount {
 
 	static {
 		// This handles updating ItemType and ItemData variable records
@@ -1444,4 +1448,37 @@ public ItemType getBaseType() {
 		return copy;
 	}
 
+	@Override
+	public @Nullable String name() {
+		ItemMeta meta = this.getItemMeta();
+		return meta.hasDisplayName() ? meta.getDisplayName() : null;
+	}
+
+	@Override
+	public boolean supportsNameChange() {
+		return true;
+	}
+
+	@Override
+	public void setName(String name) {
+		ItemMeta meta = this.getItemMeta();
+		meta.setDisplayName(name);
+		this.setItemMeta(meta);
+	}
+
+	@Override
+	public @NotNull Number amount() {
+		return this.getAmount();
+	}
+
+	@Override
+	public boolean supportsAmountChange() {
+		return true;
+	}
+
+	@Override
+	public void setAmount(@Nullable Number amount) throws UnsupportedOperationException {
+		this.setAmount(amount != null ? amount.intValue() : 0);
+	}
+
 }

src/main/java/ch/njol/skript/classes/AnyInfo.java

@@ -0,0 +1,40 @@
+package ch.njol.skript.classes;
+
+import ch.njol.skript.lang.util.common.AnyProvider;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
+
+/**
+ * A special kind of {@link ClassInfo} for dealing with 'any'-accepting types.
+ * These auto-generate their user patterns (e.g. {@code named} -> {@code any named thing}).
+ *
+ * @see AnyProvider
+ */
+public class AnyInfo<Type extends AnyProvider> extends ClassInfo<Type> {
+
+	/**
+	 * @param c        The class
+	 * @param codeName The name used in patterns
+	 */
+	public AnyInfo(Class<Type> c, String codeName) {
+		super(c, codeName);
+		this.user("(any )?" + codeName + " (thing|object)s?");
+	}
+
+	@Override
+	public ClassInfo<Type> user(String... userInputPatterns) throws PatternSyntaxException {
+		if (this.userInputPatterns == null)
+			return super.user(userInputPatterns);
+		// Allow appending the patterns.
+		List<Pattern> list = new ArrayList<>(List.of(this.userInputPatterns));
+		for (String pattern : userInputPatterns) {
+			list.add(Pattern.compile(pattern));
+		}
+		this.userInputPatterns = list.toArray(new Pattern[0]);
+		return this;
+	}
+
+}