From a2c8560eac9ba82ba2a0a68e8fab1a82e9338a0f Mon Sep 17 00:00:00 2001
From: DemonWav <demonwav@gmail.com>
Date: Thu, 25 Aug 2016 09:48:22 +1000
Subject: SPIGOT-215: Implement infrastructure for Location tab completes

---
 src/main/java/org/bukkit/command/Command.java         | 17 +++++++++++++++++
 src/main/java/org/bukkit/command/CommandMap.java      | 19 ++++++++++++++++++-
 .../java/org/bukkit/command/SimpleCommandMap.java     |  7 ++++++-
 3 files changed, 41 insertions(+), 2 deletions(-)

(limited to 'src/main')

diff --git a/src/main/java/org/bukkit/command/Command.java b/src/main/java/org/bukkit/command/Command.java
index a02c28d6..5445882c 100644
--- a/src/main/java/org/bukkit/command/Command.java
+++ b/src/main/java/org/bukkit/command/Command.java
@@ -8,6 +8,7 @@ import java.util.Set;
 import org.apache.commons.lang.Validate;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
+import org.bukkit.Location;
 import org.bukkit.Server;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.minecart.CommandMinecart;
@@ -83,6 +84,22 @@ public abstract class Command {
      * @throws IllegalArgumentException if sender, alias, or args is null
      */
     public List<String> tabComplete(CommandSender sender, String alias, String[] args) throws IllegalArgumentException {
+        return tabComplete(sender, alias, args, null);
+    }
+
+    /**
+     * Executed on tab completion for this command, returning a list of
+     * options the player can tab through.
+     *
+     * @param sender Source object which is executing this command
+     * @param alias the alias being used
+     * @param args All arguments passed to the command, split via ' '
+     * @param location The position looked at by the sender, or null if none
+     * @return a list of tab-completions for the specified arguments. This
+     *     will never be null. List may be immutable.
+     * @throws IllegalArgumentException if sender, alias, or args is null
+     */
+    public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
         Validate.notNull(sender, "Sender cannot be null");
         Validate.notNull(args, "Arguments cannot be null");
         Validate.notNull(alias, "Alias cannot be null");
diff --git a/src/main/java/org/bukkit/command/CommandMap.java b/src/main/java/org/bukkit/command/CommandMap.java
index e7e20d89..30d60247 100644
--- a/src/main/java/org/bukkit/command/CommandMap.java
+++ b/src/main/java/org/bukkit/command/CommandMap.java
@@ -1,6 +1,7 @@
 package org.bukkit.command;
 
 import java.util.List;
+import org.bukkit.Location;
 
 public interface CommandMap {
 
@@ -90,7 +91,6 @@ public interface CommandMap {
      */
     public Command getCommand(String name);
 
-
     /**
      * Looks for the requested command and executes an appropriate
      * tab-completer if found. This method will also tab-complete partial
@@ -106,4 +106,21 @@ public interface CommandMap {
      * @throws IllegalArgumentException if either sender or cmdLine are null
      */
     public List<String> tabComplete(CommandSender sender, String cmdLine) throws IllegalArgumentException;
+
+    /**
+     * Looks for the requested command and executes an appropriate
+     * tab-completer if found. This method will also tab-complete partial
+     * commands.
+     *
+     * @param sender The command's sender.
+     * @param cmdLine The entire command string to tab-complete, excluding
+     *     initial slash.
+     * @param location The position looked at by the sender, or null if none
+     * @return a list of possible tab-completions. This list may be immutable.
+     *     Will be null if no matching command of which sender has permission.
+     * @throws CommandException Thrown when the tab-completer for the given
+     *     command fails with an unhandled exception
+     * @throws IllegalArgumentException if either sender or cmdLine are null
+     */
+    public List<String> tabComplete(CommandSender sender, String cmdLine, Location location) throws IllegalArgumentException;
 }
diff --git a/src/main/java/org/bukkit/command/SimpleCommandMap.java b/src/main/java/org/bukkit/command/SimpleCommandMap.java
index a0262032..4d475c62 100644
--- a/src/main/java/org/bukkit/command/SimpleCommandMap.java
+++ b/src/main/java/org/bukkit/command/SimpleCommandMap.java
@@ -11,6 +11,7 @@ import java.util.Map;
 import java.util.regex.Pattern;
 
 import org.apache.commons.lang.Validate;
+import org.bukkit.Location;
 import org.bukkit.Server;
 import org.bukkit.command.defaults.*;
 import org.bukkit.entity.Player;
@@ -161,6 +162,10 @@ public class SimpleCommandMap implements CommandMap {
     }
 
     public List<String> tabComplete(CommandSender sender, String cmdLine) {
+        return tabComplete(sender, cmdLine, null);
+    }
+
+    public List<String> tabComplete(CommandSender sender, String cmdLine, Location location) {
         Validate.notNull(sender, "Sender cannot be null");
         Validate.notNull(cmdLine, "Command line cannot null");
 
@@ -205,7 +210,7 @@ public class SimpleCommandMap implements CommandMap {
         String[] args = PATTERN_ON_SPACE.split(argLine, -1);
 
         try {
-            return target.tabComplete(sender, commandName, args);
+            return target.tabComplete(sender, commandName, args, location);
         } catch (CommandException ex) {
             throw ex;
         } catch (Throwable ex) {
-- 
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