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Improve Chat Component Legacy Serialization more 

This brings chat componenent serialization to 100% accuracy so
that any text input in the legacy format, converting to comps and
then back to legacy will result in identical results.

If the user explicitly sets a color as prefix to a string, it is retained,
even if that color matches the default.

This also helps improve dealing with the empty string wrappers Bukkit creates.

A unit test has been added to verify this behavior.
This commit is contained in:
Aikar 2020-05-31 03:20:31 -04:00
parent afc1fcfc2e
commit 53ef67b88d
No known key found for this signature in database
GPG Key ID: 401ADFC9891FAAFE
1 changed files with 86 additions and 8 deletions
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94
Spigot-Server-Patches/0534-Fix-serialization-of-colors-from-components.patch
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@ -14,10 +14,19 @@ saving an ItemStack in a Yaml config).
Spigot has now made the issue worse and expanded the scope to more places.
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftChatMessage.java b/src/main/java/org/bukkit/craftbukkit/util/CraftChatMessage.java
index 2e162b9ea31c8bf81cfa5282566b37fc29537f51..b67f3ac106e76a5f51a1ec9d8dfd2bfecebaa439 100644
index 2e162b9ea31c8bf81cfa5282566b37fc29537f51..e2fbbfdd5b678f632ddbd68ec33a7cd9adfd4955 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftChatMessage.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftChatMessage.java
@@ -172,9 +172,19 @@ public final class CraftChatMessage {
@@ -67,7 +67,7 @@ public final class CraftChatMessage {
case 1:
EnumChatFormat format = formatMap.get(match.toLowerCase(java.util.Locale.ENGLISH).charAt(1));
if (format == EnumChatFormat.RESET) {
- modifier = new ChatModifier();
+ modifier = new ChatModifier().setColor(format); // Paper
} else if (format.isFormat()) {
switch (format) {
case BOLD:
@@ -172,9 +172,26 @@ public final class CraftChatMessage {
if (component == null) return "";
StringBuilder out = new StringBuilder();
@ -26,19 +35,26 @@ index 2e162b9ea31c8bf81cfa5282566b37fc29537f51..b67f3ac106e76a5f51a1ec9d8dfd2bfe
for (IChatBaseComponent c : (Iterable<IChatBaseComponent>) component) {
ChatModifier modi = c.getChatModifier();
- out.append(modi.getColor() == null ? defaultColor : modi.getColor());
+ EnumChatFormat color = modi.getColor();
+ if (first) {
+ if (modi.getColor() != null) {
+ out.append(modi.getColor());
+ if (color != null) {
+ out.append(color);
+ }
+ if (!c.getText().isEmpty() || color != null) {
+ first = false;
+ }
+ } else if (!c.getText().isEmpty() || color != null) {
+ if (color != null) {
+ out.append(color);
+ } else if (defaultColor != null) {
+ out.append(defaultColor);
+ }
+ first = false;
+ } else {
+ out.append(modi.getColor() == null ? defaultColor : modi.getColor());
+ }
+ // Paper end
if (modi.isBold()) {
out.append(EnumChatFormat.BOLD);
}
@@ -192,7 +202,7 @@ public final class CraftChatMessage {
@@ -192,7 +209,7 @@ public final class CraftChatMessage {
}
out.append(c.getText());
}
@ -47,3 +63,65 @@ index 2e162b9ea31c8bf81cfa5282566b37fc29537f51..b67f3ac106e76a5f51a1ec9d8dfd2bfe
}
public static IChatBaseComponent fixComponent(IChatBaseComponent component) {
diff --git a/src/test/java/org/bukkit/craftbukkit/CraftChatMessageTest.java b/src/test/java/org/bukkit/craftbukkit/CraftChatMessageTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..4a3b3ef168415ec8813afaa9f0c1657b078f8bf4
--- /dev/null
+++ b/src/test/java/org/bukkit/craftbukkit/CraftChatMessageTest.java
@@ -0,0 +1,56 @@
+package org.bukkit.craftbukkit;
+
+import net.minecraft.server.EnumChatFormat;
+import net.minecraft.server.IChatBaseComponent;
+import org.bukkit.ChatColor;
+import org.bukkit.craftbukkit.util.CraftChatMessage;
+import org.bukkit.support.AbstractTestingBase;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class CraftChatMessageTest extends AbstractTestingBase {
+ @Test
+ public void testSimpleStrings() {
+ testString("&fFoo", EnumChatFormat.WHITE);
+ testString("Foo", EnumChatFormat.WHITE);
+ testString("Foo&bBar", EnumChatFormat.WHITE);
+ testString("Foo&bBar", EnumChatFormat.AQUA);
+ testString("&fFoo&bBar", EnumChatFormat.WHITE);
+ testString("&rFoo", EnumChatFormat.WHITE);
+ }
+
+ @Test
+ public void testComponents() {
+ testComponent("Foo&bBar&fBaz", EnumChatFormat.WHITE, create("Foo", "&bBar", "Baz"));
+ testComponent("&fFoo&bBar&fBaz", EnumChatFormat.WHITE, create("", "&fFoo", "&bBar", "Baz"));
+ testComponent("Foo&bBar&fBaz", EnumChatFormat.WHITE, create("", "Foo", "&bBar", "Baz"));
+ testComponent("&fFoo&bBar&fBaz", EnumChatFormat.WHITE, create("&fFoo", "&bBar", "Baz"));
+ testComponent("F&foo&bBar&fBaz", EnumChatFormat.WHITE, create("F&foo", "&bBar", "Baz"));
+ }
+
+ private IChatBaseComponent create(String txt, String ...rest) {
+ IChatBaseComponent cmp = toComp(txt);
+ for (String s : rest) {
+ cmp.addSibling(toComp(s));
+ }
+
+ return cmp;
+ }
+
+ private IChatBaseComponent toComp(String txt) {
+ return CraftChatMessage.fromString(ChatColor.translateAlternateColorCodes('&', txt))[0];
+ }
+
+ private void testString(String expected, EnumChatFormat defColor) {
+ expected = ChatColor.translateAlternateColorCodes('&', expected);
+ IChatBaseComponent cmp = CraftChatMessage.fromStringOrNull(expected);
+ testComponent(expected, defColor, cmp);
+ }
+
+ private void testComponent(String expected, EnumChatFormat defColor, IChatBaseComponent components) {
+ expected = ChatColor.translateAlternateColorCodes('&', expected);
+ String actual = CraftChatMessage.fromComponent(components, defColor);
+ assertEquals(expected, actual);
+ }
+}