/*
*
* PlaceholderAPI
* Copyright (C) 2019 Ryan McCarthy
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
package me.clip.placeholderapi;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import me.clip.placeholderapi.events.ExpansionRegisterEvent;
import me.clip.placeholderapi.events.ExpansionUnregisterEvent;
import me.clip.placeholderapi.expansion.PlaceholderExpansion;
import me.clip.placeholderapi.expansion.Relational;
import org.apache.commons.lang.Validate;
import org.bukkit.Bukkit;
import org.bukkit.OfflinePlayer;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import static me.clip.placeholderapi.util.Msg.color;
public class PlaceholderAPI {
private static final Pattern PLACEHOLDER_PATTERN = Pattern.compile("[%]([^%]+)[%]");
private static final Pattern BRACKET_PLACEHOLDER_PATTERN = Pattern.compile("[{]([^{}]+)[}]");
private static final Pattern RELATIONAL_PLACEHOLDER_PATTERN = Pattern.compile("[%](rel_)([^%]+)[%]");
private static final Map<String, PlaceholderHook> placeholders = new HashMap<>();
private PlaceholderAPI() {
}
/**
* Check if a specific placeholder identifier is currently registered
*
* @param identifier The identifier to check
* @return true if identifier is already registered
*/
public static boolean isRegistered(String identifier) {
return getRegisteredIdentifiers().stream().filter(id -> id.equalsIgnoreCase(identifier))
.findFirst().orElse(null) != null;
}
/**
* Register a new placeholder hook
*
* @param identifier Identifier of the placeholder -> "%(identifier)_(args...)%
* @param placeholderHook Implementing class that contains the onPlaceholderRequest method which
* is called when a value is needed for the specific placeholder
* @return true if the hook was successfully registered, false if there is already a hook
* registered for the specified identifier
*/
public static boolean registerPlaceholderHook(String identifier, PlaceholderHook placeholderHook) {
Validate.notNull(identifier, "Identifier can not be null");
Validate.notNull(placeholderHook, "Placeholderhook can not be null");
if (isRegistered(identifier)) {
return false;
}
placeholders.put(identifier.toLowerCase(), placeholderHook);
return true;
}
/**
* Unregister a placeholder hook by identifier
*
* @param identifier The identifier for the placeholder hook to unregister
* @return true if the placeholder hook was successfully unregistered, false if there was no
* placeholder hook registered for the identifier specified
*/
public static boolean unregisterPlaceholderHook(String identifier) {
Validate.notNull(identifier, "Identifier can not be null");
return placeholders.remove(identifier.toLowerCase()) != null;
}
/**
* Get all registered placeholder identifiers
*
* @return All registered placeholder identifiers
*/
public static Set<String> getRegisteredIdentifiers() {
return ImmutableSet.copyOf(placeholders.keySet());
}
/**
* Get map of registered placeholders
*
* @return Copy of the internal placeholder map
*/
public static Map<String, PlaceholderHook> getPlaceholders() {
return ImmutableMap.copyOf(placeholders);
}
public static Set<PlaceholderExpansion> getExpansions() {
Set<PlaceholderExpansion> set = getPlaceholders().values().stream()
.filter(PlaceholderExpansion.class::isInstance).map(PlaceholderExpansion.class::cast)
.collect(Collectors.toCollection(HashSet::new));
return ImmutableSet.copyOf(set);
}
/**
* Check if a String contains any PlaceholderAPI placeholders ({@literal %<identifier>_<params>%}).
*
* @param text String to check
* @return true if String contains any registered placeholder identifiers, false otherwise
*/
public static boolean containsPlaceholders(String text) {
return text != null && PLACEHOLDER_PATTERN.matcher(text).find();
}
/**
* Check if a String contains any PlaceholderAPI bracket placeholders ({@literal {<identifier>_<params>}}).
*
* @param text String to check
* @return true if String contains any registered placeholder identifiers, false otherwise
*/
public static boolean containsBracketPlaceholders(String text) {
return text != null && BRACKET_PLACEHOLDER_PATTERN.matcher(text).find();
}
/**
* Translates all placeholders into their corresponding values.
* <br>The pattern of a valid placeholder is {@literal {<identifier>_<params>}}.
*
* @param player Player to parse the placeholders against
* @param text List of Strings to set the placeholder values in
* @return String containing all translated placeholders
*/
public static List<String> setBracketPlaceholders(OfflinePlayer player, List<String> text) {
return setPlaceholders(player, text, BRACKET_PLACEHOLDER_PATTERN, true);
}
/**
* Translates all placeholders into their corresponding values.
* <br>The pattern of a valid placeholder is {@literal {<identifier>_<params>}}.
*
* @param player Player to parse the placeholders against
* @param text List of Strings to set the placeholder values in
* @param colorize If color codes (&[0-1a-fk-o]) should be translated
* @return String containing all translated placeholders
*/
public static List<String> setBracketPlaceholders(OfflinePlayer player, List<String> text, boolean colorize) {
return setPlaceholders(player, text, BRACKET_PLACEHOLDER_PATTERN, colorize);
}
/**
* Translates all placeholders into their corresponding values.
* <br>The pattern of a valid placeholder is {@literal %<identifier>_<params>%}.
*
* @param player Player to parse the placeholders against
* @param text List of Strings to set the placeholder values in
* @return String containing all translated placeholders
*/
public static List<String> setPlaceholders(OfflinePlayer player, List<String> text) {
return setPlaceholders(player, text, PLACEHOLDER_PATTERN, true);
}
/**
* Translates all placeholders into their corresponding values.
* <br>The pattern of a valid placeholder is {@literal %<identifier>_<params>%}.
*
* @param player Player to parse the placeholders against
* @param text List of Strings to set the placeholder values in
* @param colorize If color codes (&[0-1a-fk-o]) should be translated
* @return String containing all translated placeholders
*/
public static List<String> setPlaceholders(OfflinePlayer player, List<String> text, boolean colorize) {
return setPlaceholders(player, text, PLACEHOLDER_PATTERN, colorize);
}
/**
* Translates all placeholders into their corresponding values.
* <br>You set the pattern yourself through this method.
*
* @param player Player to parse the placeholders against
* @param text List of Strings to set the placeholder values in
* @param pattern The pattern to match placeholders to. Capture group 1 must contain an underscore separating the
* identifier from the params
* @return String containing all translated placeholders
*/
public static List<String> setPlaceholders(OfflinePlayer player, List<String> text, Pattern pattern) {
return setPlaceholders(player, text, pattern, true);
}
/**
* Translates all placeholders into their corresponding values.
* <br>You set the pattern yourself through this method.
*
* @param player Player to parse the placeholders against
* @param text List of Strings to set the placeholder values in
* @param pattern The pattern to match placeholders to. Capture group 1 must contain an underscore separating the
* identifier from the params
* @param colorize If color codes (&[0-1a-fk-o]) should be translated
* @return String containing all translated placeholders
*/
public static List<String> setPlaceholders(OfflinePlayer player, List<String> text, Pattern pattern, boolean colorize) {
if(text == null) {
return null;
}
return text.stream().map(line -> setPlaceholders(player, line, pattern, colorize))
.collect(Collectors.toList());
}
/**
* Translates all placeholders into their corresponding values.
* <br>The pattern of a valid placeholder is {@literal {<identifier>_<params>}}.
*
* @param player Player to parse the placeholders against
* @param text Text to set the placeholder values in
* @return String containing all translated placeholders
*/
public static String setBracketPlaceholders(OfflinePlayer player, String text) {
return setPlaceholders(player, text, BRACKET_PLACEHOLDER_PATTERN, true);
}
/**
* Translates all placeholders into their corresponding values.
* <br>The pattern of a valid placeholder is {@literal {<identifier>_<params>}}
*
* @param player Player to parse the placeholders against
* @param text Text to set the placeholder values in
* @param colorize If color codes (&[0-1a-fk-o]) should be translated
* @return String containing all translated placeholders
*/
public static String setBracketPlaceholders(OfflinePlayer player, String text, boolean colorize) {
return setPlaceholders(player, text, BRACKET_PLACEHOLDER_PATTERN, colorize);
}
/**
* Translates all placeholders into their corresponding values.
* <br>The pattern of a valid placeholder is {@literal %<identifier>_<params>%}.
*
* @param player Player to parse the placeholders against
* @param text Text to set the placeholder values in
* @return String containing all translated placeholders
*/
public static String setPlaceholders(OfflinePlayer player, String text) {
return setPlaceholders(player, text, PLACEHOLDER_PATTERN);
}
/**
* Translates all placeholders into their corresponding values.
* <br>The pattern of a valid placeholder is {@literal %<identifier>_<params>%}.
*
* @param player Player to parse the placeholder against
* @param text Text to parse the placeholders in
* @param colorize If color codes (&[0-1a-fk-o]) should be translated
* @return The text containing the parsed placeholders
*/
public static String setPlaceholders(OfflinePlayer player, String text, boolean colorize) {
return setPlaceholders(player, text, PLACEHOLDER_PATTERN, colorize);
}
/**
* Translates all placeholders into their corresponding values.
* <br>You set the pattern yourself through this method.
*
* @param player Player to parse the placeholders against
* @param text Text to set the placeholder values in
* @param pattern The pattern to match placeholders to. Capture group 1 must contain an underscore separating the
* identifier from the params
* @return The text containing the parsed placeholders
*/
public static String setPlaceholders(OfflinePlayer player, String text, Pattern pattern) {
return setPlaceholders(player, text, pattern, true);
}
/**
* Translates all placeholders into their corresponding values.
* <br>You set the pattern yourself through this method.
*
* @param player Player to parse the placeholders against
* @param text Text to set the placeholder values in
* @param pattern The pattern to match placeholders to. Capture group 1 must contain an underscore separating the
* identifier from the params
* @param colorize If color codes (&[0-1a-fk-o]) should be translated
* @return The text containing the parsed placeholders
*/
public static String setPlaceholders(OfflinePlayer player, String text, Pattern pattern, boolean colorize) {
if (text == null) {
return null;
}
if (placeholders.isEmpty()) {
return colorize ? color(text) : text;
}
Matcher m = pattern.matcher(text);
Map<String, PlaceholderHook> hooks = getPlaceholders();
while (m.find()) {
String format = m.group(1);
int index = format.indexOf("_");
if (index <= 0 || index >= format.length()) {
continue;
}
String identifier = format.substring(0, index).toLowerCase();
String params = format.substring(index + 1);
if (hooks.containsKey(identifier)) {
String value = hooks.get(identifier).onRequest(player, params);
if (value != null) {
text = text.replaceAll(Pattern.quote(m.group()), Matcher.quoteReplacement(value));
}
}
}
return colorize ? color(text) : text;
}
/**
* Translate placeholders in the provided List based on the relation of the two provided players.
* <br>The pattern of a valid placeholder is {@literal %rel_<identifier>_<param>%}.
*
* @param one Player to compare
* @param two Player to compare
* @param text text to parse the placeholder values to
* @return The text containing the parsed relational placeholders
*/
public static List<String> setRelationalPlaceholders(Player one, Player two, List<String> text) {
return setRelationalPlaceholders(one, two, text, true);
}
/**
* Translate placeholders in the provided list based on the relation of the two provided players.
* <br>The pattern of a valid placeholder is {@literal %rel_<identifier>_<params>%}.
*
* @param one First player to compare
* @param two Second player to compare
* @param text Text to parse the placeholders in
* @param colorize If color codes (&[0-1a-fk-o]) should be translated
* @return The text containing the parsed relational placeholders
*/
public static List<String> setRelationalPlaceholders(Player one, Player two, List<String> text, boolean colorize) {
if(text == null) {
return null;
}
return text.stream().map(line -> setRelationalPlaceholders(one, two, line, colorize))
.collect(Collectors.toList());
}
/**
* set relational placeholders in the text specified placeholders are matched with the pattern
* %<rel_(identifier)_(params)>% when set with this method
*
* @param one First player to compare
* @param two Second player to compare
* @param text Text to parse the placeholders in
* @return The text containing the parsed relational placeholders
*/
public static String setRelationalPlaceholders(Player one, Player two, String text) {
return setRelationalPlaceholders(one,two, text, true);
}
/**
* set relational placeholders in the text specified placeholders are matched with the pattern
* %<rel_(identifier)_(params)>% when set with this method
*
* @param one Player to compare
* @param two Player to compare
* @param text Text to parse the placeholders in
* @param colorize If color codes (&[0-1a-fk-o]) should be translated
* @return The text containing the parsed relational placeholders
*/
public static String setRelationalPlaceholders(Player one, Player two, String text, boolean colorize) {
if (text == null) {
return null;
}
if (placeholders.isEmpty()) {
return colorize ? color(text) : text;
}
Matcher m = RELATIONAL_PLACEHOLDER_PATTERN.matcher(text);
Map<String, PlaceholderHook> hooks = getPlaceholders();
while (m.find()) {
String format = m.group(2);
int index = format.indexOf("_");
if (index <= 0 || index >= format.length()) {
continue;
}
String identifier = format.substring(0, index).toLowerCase();
String params = format.substring(index + 1);
if (hooks.containsKey(identifier)) {
if (!(hooks.get(identifier) instanceof Relational)) {
continue;
}
Relational rel = (Relational) hooks.get(identifier);
String value = rel.onPlaceholderRequest(one, two, params);
if (value != null) {
text = text.replaceAll(Pattern.quote(m.group()), Matcher.quoteReplacement(value));
}
}
}
return colorize ? color(text) : text;
}
/**
* Unregister ALL placeholder hooks that are currently registered
*/
protected static void unregisterAll() {
unregisterAllProvidedExpansions();
placeholders.clear();
}
/**
* Unregister all expansions provided by PlaceholderAPI
*/
public static void unregisterAllProvidedExpansions() {
if (placeholders.isEmpty()) {
return;
}
getPlaceholders().forEach((key, value) -> {
if (value instanceof PlaceholderExpansion) {
PlaceholderExpansion ex = (PlaceholderExpansion) value;
if (!ex.persist()) {
unregisterExpansion(ex);
}
}
});
}
public static boolean registerExpansion(PlaceholderExpansion ex) {
ExpansionRegisterEvent ev = new ExpansionRegisterEvent(ex);
Bukkit.getPluginManager().callEvent(ev);
if (ev.isCancelled()) {
return false;
}
return registerPlaceholderHook(ex.getIdentifier(), ex);
}
public static boolean unregisterExpansion(PlaceholderExpansion ex) {
if (unregisterPlaceholderHook(ex.getIdentifier())) {
Bukkit.getPluginManager().callEvent(new ExpansionUnregisterEvent(ex));
return true;
}
return false;
}
/**
* Gets the placeholder pattern for the default placeholders.
*
* @return The pattern for {@literal %<identifier>_<params>%}
*/
public static Pattern getPlaceholderPattern() {
return PLACEHOLDER_PATTERN;
}
/**
* Gets the placeholder pattern for the bracket placeholders.
*
* @return The pattern for {@literal {<identifier>_<params>}}
*/
public static Pattern getBracketPlaceholderPattern() {
return BRACKET_PLACEHOLDER_PATTERN;
}
/**
* Gets the placeholder pattern for the relational placeholders.
*
* @return The pattern for {@literal %rel_<identifier>_<params>%}
*/
public static Pattern getRelationalPlaceholderPattern() {
return RELATIONAL_PLACEHOLDER_PATTERN;
}
@Deprecated
public static Set<String> getRegisteredPlaceholderPlugins() {
return getRegisteredIdentifiers();
}
@Deprecated
public static Set<String> getExternalPlaceholderPlugins() {
return null;
}
@Deprecated
public static boolean registerPlaceholderHook(Plugin plugin, PlaceholderHook placeholderHook) {
return plugin != null && registerPlaceholderHook(plugin.getName(), placeholderHook);
}
@Deprecated
public static boolean unregisterPlaceholderHook(Plugin plugin) {
return plugin != null && unregisterPlaceholderHook(plugin.getName());
}
public static String setPlaceholders(Player player, String text) {
return setPlaceholders(player, text, PLACEHOLDER_PATTERN, true);
}
public static String setPlaceholders(Player player, String text, boolean colorize) {
return setPlaceholders(player, text, PLACEHOLDER_PATTERN, colorize);
}
public static List<String> setPlaceholders(Player player, List<String> text) {
return setPlaceholders(player, text, PLACEHOLDER_PATTERN, true);
}
public static List<String> setPlaceholders(Player player, List<String> text, boolean colorize) {
return setPlaceholders(player, text, PLACEHOLDER_PATTERN, colorize);
}
public static String setBracketPlaceholders(Player player, String text) {
return setPlaceholders(player, text, BRACKET_PLACEHOLDER_PATTERN, true);
}
public static String setBracketPlaceholders(Player player, String text, boolean colorize) {
return setPlaceholders(player, text, BRACKET_PLACEHOLDER_PATTERN, colorize);
}
public static List<String> setBracketPlaceholders(Player player, List<String> text) {
return setPlaceholders(player, text, BRACKET_PLACEHOLDER_PATTERN, true);
}
public static List<String> setBracketPlaceholders(Player player, List<String> text, boolean colorize) {
return setPlaceholders(player, text, BRACKET_PLACEHOLDER_PATTERN, colorize);
}
}
