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Optimize ChatColor.getLastColors.

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ChatColor searches from the start to the end of a string for chat format
characters but this always has to search the entire string. By starting
from the end of the string and working backwards we can stop searching once
we find a color code or a reset code as any previous formatting is wiped
out by these.

By: Travis Watkins <amaranth@ubuntu.com>
This commit is contained in:
Bukkit/Spigot
2012-05-16 18:12:48 -05:00
parent f6c072f78f
commit bceacc47c4
2 changed files with 22 additions and 10 deletions
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10
paper-api/src/test/java/org/bukkit/ChatColorTest.java
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@@ -70,4 +70,14 @@ public class ChatColorTest {
String u = ChatColor.BLACK.toString() + ChatColor.DARK_BLUE + ChatColor.DARK_GREEN + ChatColor.DARK_AQUA + ChatColor.DARK_RED + ChatColor.DARK_PURPLE + ChatColor.GOLD + ChatColor.GRAY + ChatColor.DARK_GRAY + ChatColor.BLUE + ChatColor.GREEN + ChatColor.GREEN + ChatColor.AQUA + ChatColor.AQUA + ChatColor.RED + ChatColor.RED + ChatColor.LIGHT_PURPLE + ChatColor.LIGHT_PURPLE + ChatColor.YELLOW + ChatColor.YELLOW + ChatColor.WHITE + ChatColor.WHITE + ChatColor.MAGIC + ChatColor.MAGIC + " & more";
assertThat(t, is(u));
}
@Test
public void getChatColors() {
String s = String.format("%c%ctest%c%ctest%c", ChatColor.COLOR_CHAR, ChatColor.RED.getChar(), ChatColor.COLOR_CHAR, ChatColor.ITALIC.getChar(), ChatColor.COLOR_CHAR);
String expected = ChatColor.RED.toString() + ChatColor.ITALIC;
assertThat(ChatColor.getLastColors(s), is(expected));
s = String.format("%c%ctest%c%ctest", ChatColor.COLOR_CHAR, ChatColor.RED.getChar(), ChatColor.COLOR_CHAR, ChatColor.BLUE.getChar());
assertThat(ChatColor.getLastColors(s), is(ChatColor.BLUE.toString()));
}
}