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dList.java
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dList.java
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package net.aufdemrand.denizen.objects;
import net.aufdemrand.denizen.flags.FlagManager;
import net.aufdemrand.denizen.tags.Attribute;
import net.aufdemrand.denizen.utilities.DenizenAPI;
import net.aufdemrand.denizen.utilities.debugging.dB;
import org.bukkit.ChatColor;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class dList extends ArrayList<String> implements dObject {
final static Pattern flag_by_id =
Pattern.compile("(fl\\[((?:p@|n@)(.+?))\\]@|fl@)(.+)",
Pattern.CASE_INSENSITIVE);
final static Pattern split_char = Pattern.compile("\\|");
final static Pattern identifier = Pattern.compile("li@", Pattern.CASE_INSENSITIVE);
@ObjectFetcher("li, fl")
public static dList valueOf(String string) {
if (string == null) return null;
///////
// Match @object format
// Make sure string matches what this interpreter can accept.
Matcher m;
m = flag_by_id.matcher(string);
if (m.matches()) {
FlagManager flag_manager = DenizenAPI.getCurrentInstance().flagManager();
try {
// Global
if (m.group(1).equalsIgnoreCase("fl@")) {
if (FlagManager.serverHasFlag(m.group(4)))
return new dList(flag_manager.getGlobalFlag(m.group(4)));
} else if (m.group(2).toLowerCase().startsWith("p@")) {
if (FlagManager.playerHasFlag(dPlayer.valueOf(m.group(3)), m.group(4)))
return new dList(flag_manager.getPlayerFlag(m.group(3), m.group(4)));
} else if (m.group(2).toLowerCase().startsWith("n@")) {
if (FlagManager.npcHasFlag(dNPC.valueOf(m.group(3)), m.group(4)))
return new dList(flag_manager.getNPCFlag(Integer.valueOf(m.group(3)), m.group(4)));
}
} catch (Exception e) {
dB.echoDebug("Flag '" + m.group() + "' could not be found!");
return null;
}
}
// Use value of string, which will seperate values by the use of a pipe '|'
return new dList(string.replaceFirst(identifier.pattern(), ""));
}
public static boolean matches(String arg) {
Matcher m;
m = flag_by_id.matcher(arg);
return m.matches() || arg.contains("|") || arg.toLowerCase().startsWith("li@");
}
/////////////
// Constructors
//////////
// A list of dObjects
public dList(ArrayList<? extends dObject> dObjectList) {
for (dObject obj : dObjectList)
add(obj.identify());
}
// Empty dList
public dList() { }
// A string of items, split by '|'
public dList(String items) {
if (items != null) addAll(Arrays.asList(split_char.split(items)));
}
// A List<String> of items
public dList(List<String> items) {
if (items != null) addAll(items);
}
// A List<String> of items, with a prefix
public dList(List<String> items, String prefix) {
for (String element : items) {
add(prefix + element);
}
}
// A Flag
public dList(FlagManager.Flag flag) {
this.flag = flag;
addAll(flag.values());
}
/////////////
// Instance Fields/Methods
//////////
private FlagManager.Flag flag = null;
//////////////////////////////
// DSCRIPT ARGUMENT METHODS
/////////////////////////
private String prefix = "List";
@Override
public String getPrefix() {
return prefix;
}
@Override
public dList setPrefix(String prefix) {
this.prefix = prefix;
return this;
}
@Override
public String debug() {
return "<G>" + prefix + "='<Y>" + identify() + "<G>' ";
}
@Override
public boolean isUnique() {
return flag != null;
}
@Override
public String getType() {
return "List";
}
public String[] toArray() {
List<String> list = new ArrayList<String>();
for (String string : this) {
list.add(string);
}
return list.toArray(new String[list.size()]);
}
// Return a list that includes only elements belonging to a certain class
public List<dObject> filter(Class<? extends dObject> dClass) {
List<dObject> results = new ArrayList<dObject>();
for (String element : this) {
try {
if ((Boolean) dClass.getMethod("matches", String.class).invoke(null, element)) {
dObject object = (dObject) dClass.getMethod("valueOf", String.class).invoke(null, element);
// Only add the object if it is not null, thus filtering useless
// list items
if (object != null) {
results.add(object);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
if (results.size() > 0) return results;
else return null;
}
@Override
public String toString() {
return identify();
}
@Override
public String identify() {
if (flag != null)
return flag.toString();
if (isEmpty()) return "li@";
StringBuilder dScriptArg = new StringBuilder();
dScriptArg.append("li@");
for (String item : this) {
dScriptArg.append(item);
// Items are separated by the | character in dLists
dScriptArg.append('|');
}
return dScriptArg.toString().substring(0, dScriptArg.length() - 1);
}
@Override
public String getAttribute(Attribute attribute) {
if (attribute == null) return null;
// <--[tag]
// @attribute <li@list.as_cslist> @returns Element
// returns 'comma-separated' list of the contents of this dList.
// -->
if (attribute.startsWith("ascslist")
|| attribute.startsWith("as_cslist")) {
if (isEmpty()) return new Element("").getAttribute(attribute.fulfill(1));
StringBuilder dScriptArg = new StringBuilder();
for (String item : this) {
dScriptArg.append(item);
// Insert a comma and space after each item
dScriptArg.append(", ");
}
return new Element(dScriptArg.toString().substring(0, dScriptArg.length() - 2))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <li@list.size>
// @returns Element
// @description
// returns 'comma-separated' list of the contents of this dList.
// -->
if (attribute.startsWith("size"))
return new Element(size()).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <li@list.is_empty>
// @returns Element
// @description
// returns 'comma-separated' list of the contents of this dList.
// -->
if (attribute.startsWith("is_empty"))
return new Element(isEmpty()).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <li@list.as_string>
// @returns Element
// @description
// returns each item in the list as a single 'String'.
// -->
if (attribute.startsWith("asstring")
|| attribute.startsWith("as_string")) {
if (isEmpty()) return new Element("").getAttribute(attribute.fulfill(1));
StringBuilder dScriptArg = new StringBuilder();
for (String item : this) {
dScriptArg.append(item);
// Insert space between items.
dScriptArg.append(' ');
}
return new Element(dScriptArg.toString().substring(0, dScriptArg.length() - 1))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <li@list.exclude[...|...]>
// @returns dList
// @description
// returns a new dList excluding the items specified.
// -->
if (attribute.startsWith("exclude")) {
String[] exclusions = split_char.split(attribute.getContext(1));
// Create a new dList that will contain the exclusions
dList list = new dList(this);
// Iterate through
for (String exclusion : exclusions)
for (int i = 0;i < list.size();i++)
if (list.get(i).equalsIgnoreCase(exclusion))
list.remove(i--);
// Return the modified list
return list.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <li@list.get[#]>
// @returns Element
// @description
// returns an Element of the value specified by the supplied context.
// -->
if (attribute.startsWith("get")) {
if (isEmpty()) return "null";
int index = attribute.getIntContext(1);
if (index > size()) return "null";
String item;
if (index > 0) item = get(index - 1);
else item = get(0);
return new Element(item).getAttribute(attribute.fulfill(1));
}
if (attribute.startsWith("last")) {
return new Element(get(size() - 1)).getAttribute(attribute.fulfill(1));
}
if (attribute.startsWith("contains")) {
if (attribute.hasContext(1)) {
boolean state = false;
for (String element : this) {
if (element.equalsIgnoreCase(attribute.getContext(1))) {
state = true;
break;
}
}
return new Element(state).getAttribute(attribute.fulfill(1));
}
}
if (attribute.startsWith("prefix"))
return new Element(prefix)
.getAttribute(attribute.fulfill(1));
if (attribute.startsWith("debug.log")) {
dB.log(debug());
return new Element(Boolean.TRUE.toString())
.getAttribute(attribute.fulfill(2));
}
if (attribute.startsWith("debug.no_color")) {
return new Element(ChatColor.stripColor(debug()))
.getAttribute(attribute.fulfill(2));
}
if (attribute.startsWith("debug")) {
return new Element(debug())
.getAttribute(attribute.fulfill(1));
}
if (attribute.startsWith("identify")) {
return new Element(identify())
.getAttribute(attribute.fulfill(1));
}
if (attribute.startsWith("type")) {
return new Element(getType())
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <li@list.random>
// @returns Element
// @description
// gets a random item in the list and returns it as an Element.
// -->
if (attribute.startsWith("random")) {
if (!this.isEmpty())
return new Element(this.get(new Random().nextInt(this.size())))
.getAttribute(attribute.fulfill(1));
}
// FLAG Specific Attributes
// Note: is_expired attribute is handled in player/npc/server
// since expired flags return 'null'
// <--[tag]
// @attribute <fl@flag_name.is_expired>
// @returns Element(boolean)
// @description
// returns true of the flag is expired or does not exist, false if it
// is not yet expired, or has no expiration.
// -->
// <--[tag]
// @attribute <fl@flag_name.expiration>
// @returns Duration
// @description
// returns a Duration of the time remaining on the flag, if it
// has an expiration.
// -->
if (flag != null && attribute.startsWith("expiration")) {
return flag.expiration()
.getAttribute(attribute.fulfill(1));
}
// Need this attribute (for flags) since they return the last
// element of the list, unless '.as_list' is specified.
// <--[tag]
// @attribute <fl@flag_name.as_list>
// @returns dList
// @description
// returns a dList containing the items in the flag
// -->
if (flag != null && (attribute.startsWith("as_list")
|| attribute.startsWith("aslist")))
return new dList(this).getAttribute(attribute.fulfill(1));
// If this is a flag, return the last element (this is how it has always worked...)
// Use as_list to return a list representation of the flag.
// If this is NOT a flag, but instead a normal dList, return an element
// with dList's identify() value.
return (flag != null
? new Element(flag.getLast().asString()).getAttribute(attribute.fulfill(0))
: new Element(identify()).getAttribute(attribute.fulfill(0)));
}
}