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ItemNBT.java
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ItemNBT.java
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package com.denizenscript.denizen.objects.properties.item;
import com.denizenscript.denizen.utilities.debugging.Debug;
import com.denizenscript.denizen.utilities.nbt.CustomNBT;
import com.denizenscript.denizen.objects.ItemTag;
import com.denizenscript.denizencore.objects.core.ElementTag;
import com.denizenscript.denizencore.objects.Mechanism;
import com.denizenscript.denizencore.objects.core.ListTag;
import com.denizenscript.denizencore.objects.ObjectTag;
import com.denizenscript.denizencore.objects.properties.Property;
import com.denizenscript.denizencore.tags.Attribute;
import com.denizenscript.denizencore.tags.core.EscapeTagBase;
import org.bukkit.Material;
import org.bukkit.inventory.ItemStack;
import java.util.List;
public class ItemNBT implements Property {
public static boolean describes(ObjectTag item) {
return item instanceof ItemTag;
}
public static ItemNBT getFrom(ObjectTag item) {
if (!describes(item)) {
return null;
}
else {
return new ItemNBT((ItemTag) item);
}
}
public static final String[] handledTags = new String[] {
"has_nbt", "nbt_keys", "nbt"
};
public static final String[] handledMechs = new String[] {
"remove_nbt", "nbt"
};
private ItemNBT(ItemTag item) {
this.item = item;
}
ItemTag item;
@Override
public ObjectTag getObjectAttribute(Attribute attribute) {
if (attribute == null) {
return null;
}
// <--[tag]
// @attribute <ItemTag.has_nbt[<key>]>
// @returns ElementTag(Boolean)
// @group properties
// @description
// Returns whether this item has the specified NBT key.
// -->
if (attribute.startsWith("has_nbt")) {
return new ElementTag(CustomNBT.hasCustomNBT(item.getItemStack(), attribute.getContext(1), CustomNBT.KEY_DENIZEN))
.getObjectAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ItemTag.nbt_keys>
// @returns ListTag
// @group properties
// @description
// Returns all of this item's NBT keys as a ListTag.
// -->
if (attribute.startsWith("nbt_keys")) {
return new ListTag(CustomNBT.listNBT(item.getItemStack(), CustomNBT.KEY_DENIZEN))
.getObjectAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ItemTag.nbt[<key>]>
// @returns ElementTag
// @mechanism ItemTag.nbt
// @group properties
// @description
// Returns the value of this item's NBT key as an ElementTag as best it can.
// If no key is specified, returns the full list of NBT key/value pairs (valid for input to nbt mechanism).
// See also <@link language property escaping>.
// -->
if (attribute.matches("nbt")) {
if (!attribute.hasContext(1)) {
ListTag list = getNBTDataList();
if (list == null) {
return null;
}
return list.getObjectAttribute(attribute.fulfill(1));
}
String res = CustomNBT.getCustomNBT(item.getItemStack(), attribute.getContext(1), CustomNBT.KEY_DENIZEN);
if (res == null) {
return null;
}
return new ElementTag(res)
.getObjectAttribute(attribute.fulfill(1));
}
return null;
}
public ListTag getNBTDataList() {
ItemStack itemStack = item.getItemStack();
List<String> nbtKeys = CustomNBT.listNBT(itemStack, CustomNBT.KEY_DENIZEN);
if (nbtKeys != null && !nbtKeys.isEmpty()) {
ListTag list = new ListTag();
for (String key : nbtKeys) {
list.add(EscapeTagBase.escape(key) + "/" + EscapeTagBase.escape(CustomNBT.getCustomNBT(itemStack, key, CustomNBT.KEY_DENIZEN)));
}
return list;
}
return null;
}
@Override
public String getPropertyString() {
ListTag list = getNBTDataList();
if (list == null) {
return null;
}
return list.identify();
}
@Override
public String getPropertyId() {
return "nbt";
}
@Override
public void adjust(Mechanism mechanism) {
// <--[mechanism]
// @object ItemTag
// @name remove_nbt
// @input ListTag
// @description
// Removes the Denizen NBT keys specified, or all Denizen NBT if no value is given.
// @tags
// <ItemTag.has_nbt[<key>]>
// <ItemTag.nbt_keys>
// <ItemTag.nbt[<key>]>
// -->
if (mechanism.matches("remove_nbt")) {
if (item.getMaterial().getMaterial() == Material.AIR) {
Debug.echoError("Cannot apply NBT to AIR!");
return;
}
ItemStack itemStack = item.getItemStack();
List<String> list;
if (mechanism.hasValue()) {
list = mechanism.valueAsType(ListTag.class);
}
else {
list = CustomNBT.listNBT(itemStack, CustomNBT.KEY_DENIZEN);
}
for (String string : list) {
itemStack = CustomNBT.removeCustomNBT(itemStack, string, CustomNBT.KEY_DENIZEN);
}
item.setItemStack(itemStack);
}
// <--[mechanism]
// @object ItemTag
// @name nbt
// @input ListTag
// @description
// Adds Denizen NBT to this item in the format li@key/value|key/value...
// See also <@link language property escaping>.
// @tags
// <ItemTag.has_nbt[<key>]>
// <ItemTag.nbt_keys>
// <ItemTag.nbt[<key>]>
// -->
if (mechanism.matches("nbt")) {
if (item.getMaterial().getMaterial() == Material.AIR) {
Debug.echoError("Cannot apply NBT to AIR!");
return;
}
ListTag list = mechanism.valueAsType(ListTag.class);
ItemStack itemStack = item.getItemStack();
for (String string : list) {
String[] split = string.split("/", 2);
itemStack = CustomNBT.addCustomNBT(itemStack, EscapeTagBase.unEscape(split[0]), EscapeTagBase.unEscape(split[1]), CustomNBT.KEY_DENIZEN);
}
item.setItemStack(itemStack);
}
}
}