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Fix infinite recursion with plugin tab completers

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Make block location tab completion be a per-world configurable value
This commit is contained in:
DemonWav 2016-01-31 01:21:47 -06:00
parent d054890173
commit 00f91edaec
2 changed files with 131 additions and 0 deletions
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93
Spigot-API-Patches/0016-Fix-infinite-recursion-with-plugin-tab-completers.patch Normal file
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@ -0,0 +1,93 @@
From 3217d06837310e286c73e39f4d73ef7b19716274 Mon Sep 17 00:00:00 2001
From: DemonWav <demonwav@gmail.com>
Date: Sun, 31 Jan 2016 01:20:21 -0600
Subject: [PATCH] Fix infinite recursion with plugin tab completers
diff --git a/src/main/java/org/bukkit/command/Command.java b/src/main/java/org/bukkit/command/Command.java
index c126a1e..f0860a9 100644
--- a/src/main/java/org/bukkit/command/Command.java
+++ b/src/main/java/org/bukkit/command/Command.java
@@ -86,28 +86,16 @@ 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 {
- Validate.notNull(sender, "Sender cannot be null");
- Validate.notNull(args, "Arguments cannot be null");
- Validate.notNull(alias, "Alias cannot be null");
-
- if (args.length == 0) {
- return ImmutableList.of();
- }
-
- String lastWord = args[args.length - 1];
-
- Player senderPlayer = sender instanceof Player ? (Player) sender : null;
-
- ArrayList<String> matchedPlayers = new ArrayList<String>();
- for (Player player : sender.getServer().getOnlinePlayers()) {
- String name = player.getName();
- if ((senderPlayer == null || senderPlayer.canSee(player)) && StringUtil.startsWithIgnoreCase(name, lastWord)) {
- matchedPlayers.add(name);
- }
- }
-
- Collections.sort(matchedPlayers, String.CASE_INSENSITIVE_ORDER);
- return matchedPlayers;
+ // PaperSpigot - location tab-completes
+ /*
+ To prevent infinite recursion, this implementation has been moved down to
+ tabCompleteImpl(CommandSender sender, String alias, String[] args). The infinite recursion happens when
+ a subclass calls super.tabComplete(CommandSender sender, String alias, String[] args, Location location),
+ which would end up calling tabComplete(CommandSender sender, String alias, String[] args), but rather than
+ this method, it would call the overridden method, which would call super.tabComplete again, etc. To prevent
+ this we move the actual main logic to a separate private method.
+ */
+ return tabCompleteImpl(sender, alias, args);
}
// PaperSpigot start - location tab-completes
@@ -130,7 +118,32 @@ public abstract class Command {
*/
public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
// Simply default to the standard tab-complete, subclasses can override this if needed
- return tabComplete(sender, alias, args);
+ return tabCompleteImpl(sender, alias, args);
+ }
+
+ private List<String> tabCompleteImpl(CommandSender sender, String alias, String[] args) throws IllegalArgumentException {
+ Validate.notNull(sender, "Sender cannot be null");
+ Validate.notNull(args, "Arguments cannot be null");
+ Validate.notNull(alias, "Alias cannot be null");
+
+ if (args.length == 0) {
+ return ImmutableList.of();
+ }
+
+ String lastWord = args[args.length - 1];
+
+ Player senderPlayer = sender instanceof Player ? (Player) sender : null;
+
+ ArrayList<String> matchedPlayers = new ArrayList<String>();
+ for (Player player : sender.getServer().getOnlinePlayers()) {
+ String name = player.getName();
+ if ((senderPlayer == null || senderPlayer.canSee(player)) && StringUtil.startsWithIgnoreCase(name, lastWord)) {
+ matchedPlayers.add(name);
+ }
+ }
+
+ Collections.sort(matchedPlayers, String.CASE_INSENSITIVE_ORDER);
+ return matchedPlayers;
}
// PaperSpigot end
@@ -447,4 +460,4 @@ public abstract class Command {
public String toString() {
return getClass().getName() + '(' + name + ')';
}
-}
+}
\ No newline at end of file
--
1.9.1

38
Spigot-Server-Patches/0087-Make-block-location-tab-completion-be-a-per-world-co.patch Normal file
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@ -0,0 +1,38 @@
From bcfd15f836f3331070c285e6f4a8221cf6a69760 Mon Sep 17 00:00:00 2001
From: DemonWav <demonwav@gmail.com>
Date: Sun, 31 Jan 2016 01:21:03 -0600
Subject: [PATCH] Make block location tab completion be a per-world
configurable value
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index e130052..642880e 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1639,7 +1639,7 @@ public final class CraftServer implements Server {
try {
// send location info if present
// completions = getCommandMap().tabComplete(player, message.substring(1));
- if (blockPosition == null) {
+ if (blockPosition == null || !((CraftWorld) player.getWorld()).getHandle().paperSpigotConfig.allowBlockLocationTabCompletion) {
completions = getCommandMap().tabComplete(player, message.substring(1));
} else {
completions = getCommandMap().tabComplete(player, message.substring(1), new Location(player.getWorld(), blockPosition.getX(), blockPosition.getY(), blockPosition.getZ()));
diff --git a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
index ecb9519..008b79c 100644
--- a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
+++ b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
@@ -396,4 +396,10 @@ public class PaperSpigotWorldConfig
{
allChunksAreSlimeChunks = getBoolean( "all-chunks-are-slime-chunks", false );
}
+
+ public boolean allowBlockLocationTabCompletion;
+ private void allowBlockLocationTabCompletion()
+ {
+ allowBlockLocationTabCompletion = getBoolean( "allow-block-location-tab-completion", true );
+ }
}
--
1.9.1