mirror of
https://github.com/PaperMC/Paper.git
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"It was from a different time before books were as jank as they are now. As time has gone on they've only proven to be worse and worse."
234 lines
11 KiB
Diff
234 lines
11 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Josh Roy <10731363+JRoy@users.noreply.github.com>
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Date: Sat, 20 Feb 2021 13:09:59 -0500
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Subject: [PATCH] Add support for hex color codes in console
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Converts upstream's hex color code legacy format into actual hex color codes in the console.
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diff --git a/build.gradle.kts b/build.gradle.kts
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index f83c5c672d7728946d4c4aef6c496a73da41fc61..e5fd2f5ca371e6a93b0860b3758d5be68a9871e5 100644
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--- a/build.gradle.kts
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+++ b/build.gradle.kts
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@@ -32,6 +32,7 @@ dependencies {
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Scanning takes about 1-2 seconds so adding this speeds up the server start.
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*/
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implementation("org.apache.logging.log4j:log4j-core:2.14.1") // Paper - implementation
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+ annotationProcessor("org.apache.logging.log4j:log4j-core:2.14.1") // Paper - Needed to generate meta for out hex color converter plugin
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// Paper end
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implementation("org.apache.logging.log4j:log4j-iostreams:2.14.1") // Paper
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implementation("org.apache.logging.log4j:log4j-api:2.14.1") // Paper
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diff --git a/src/main/java/io/papermc/paper/console/HexFormattingConverter.java b/src/main/java/io/papermc/paper/console/HexFormattingConverter.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..a4315961b7a465fb4872a4d67e7c26d4b4ed1fb9
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/console/HexFormattingConverter.java
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@@ -0,0 +1,178 @@
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+package io.papermc.paper.console;
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+
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+import net.minecrell.terminalconsole.TerminalConsoleAppender;
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+import org.apache.logging.log4j.core.LogEvent;
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+import org.apache.logging.log4j.core.config.Configuration;
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+import org.apache.logging.log4j.core.config.plugins.Plugin;
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+import org.apache.logging.log4j.core.layout.PatternLayout;
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+import org.apache.logging.log4j.core.pattern.*;
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+import org.apache.logging.log4j.util.PerformanceSensitive;
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+import org.apache.logging.log4j.util.PropertiesUtil;
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+
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+import java.util.List;
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+import java.util.regex.Matcher;
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+import java.util.regex.Pattern;
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+
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+import static net.minecrell.terminalconsole.MinecraftFormattingConverter.KEEP_FORMATTING_PROPERTY;
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+
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+/**
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+ * Modified version of <a href="https://github.com/Minecrell/TerminalConsoleAppender/blob/master/src/main/java/net/minecrell/terminalconsole/MinecraftFormattingConverter.java">
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+ * TerminalConsoleAppender's MinecraftFormattingConverter</a> to support hex color codes using the md_5 &x&r&r&g&g&b&b format.
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+ */
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+@Plugin(name = "paperMinecraftFormatting", category = PatternConverter.CATEGORY)
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+@ConverterKeys({ "paperMinecraftFormatting" })
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+@PerformanceSensitive("allocation")
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+public final class HexFormattingConverter extends LogEventPatternConverter {
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+
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+ private static final boolean KEEP_FORMATTING = PropertiesUtil.getProperties().getBooleanProperty(KEEP_FORMATTING_PROPERTY);
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+
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+ private static final String ANSI_RESET = "\u001B[m";
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+
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+ private static final char COLOR_CHAR = '§';
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+ private static final String LOOKUP = "0123456789abcdefklmnor";
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+
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+ private static final String RGB_ANSI = "\u001B[38;2;%d;%d;%dm";
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+ private static final Pattern NAMED_PATTERN = Pattern.compile(COLOR_CHAR + "[0-9a-fk-orA-FK-OR]");
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+ private static final Pattern RGB_PATTERN = Pattern.compile(COLOR_CHAR + "x(" + COLOR_CHAR + "[0-9a-fA-F]){6}");
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+
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+ private static final String[] ansiCodes = new String[] {
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+ "\u001B[0;30m", // Black §0
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+ "\u001B[0;34m", // Dark Blue §1
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+ "\u001B[0;32m", // Dark Green §2
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+ "\u001B[0;36m", // Dark Aqua §3
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+ "\u001B[0;31m", // Dark Red §4
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+ "\u001B[0;35m", // Dark Purple §5
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+ "\u001B[0;33m", // Gold §6
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+ "\u001B[0;37m", // Gray §7
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+ "\u001B[0;30;1m", // Dark Gray §8
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+ "\u001B[0;34;1m", // Blue §9
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+ "\u001B[0;32;1m", // Green §a
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+ "\u001B[0;36;1m", // Aqua §b
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+ "\u001B[0;31;1m", // Red §c
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+ "\u001B[0;35;1m", // Light Purple §d
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+ "\u001B[0;33;1m", // Yellow §e
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+ "\u001B[0;37;1m", // White §f
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+ "\u001B[5m", // Obfuscated §k
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+ "\u001B[21m", // Bold §l
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+ "\u001B[9m", // Strikethrough §m
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+ "\u001B[4m", // Underline §n
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+ "\u001B[3m", // Italic §o
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+ ANSI_RESET, // Reset §r
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+ };
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+
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+ private final boolean ansi;
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+ private final List<PatternFormatter> formatters;
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+
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+ /**
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+ * Construct the converter.
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+ *
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+ * @param formatters The pattern formatters to generate the text to manipulate
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+ * @param strip If true, the converter will strip all formatting codes
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+ */
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+ protected HexFormattingConverter(List<PatternFormatter> formatters, boolean strip) {
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+ super("paperMinecraftFormatting", null);
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+ this.formatters = formatters;
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+ this.ansi = !strip;
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+ }
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+
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+ @Override
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+ public void format(LogEvent event, StringBuilder toAppendTo) {
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+ int start = toAppendTo.length();
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+ //noinspection ForLoopReplaceableByForEach
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+ for (int i = 0, size = formatters.size(); i < size; i++) {
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+ formatters.get(i).format(event, toAppendTo);
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+ }
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+
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+ if (KEEP_FORMATTING || toAppendTo.length() == start) {
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+ // Skip replacement if disabled or if the content is empty
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+ return;
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+ }
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+
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+ boolean useAnsi = ansi && TerminalConsoleAppender.isAnsiSupported();
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+ String content = toAppendTo.substring(start);
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+ content = useAnsi ? convertRGBColors(content) : stripRGBColors(content);
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+ format(content, toAppendTo, start, useAnsi);
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+ }
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+
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+ private static String convertRGBColors(String input) {
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+ Matcher matcher = RGB_PATTERN.matcher(input);
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+ StringBuffer buffer = new StringBuffer();
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+ while (matcher.find()) {
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+ String s = matcher.group().replace(String.valueOf(COLOR_CHAR), "").replace('x', '#');
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+ int hex = Integer.decode(s);
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+ int red = (hex >> 16) & 0xFF;
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+ int green = (hex >> 8) & 0xFF;
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+ int blue = hex & 0xFF;
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+ String replacement = String.format(RGB_ANSI, red, green, blue);
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+ matcher.appendReplacement(buffer, replacement);
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+ }
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+ matcher.appendTail(buffer);
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+ return buffer.toString();
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+ }
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+
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+ private static String stripRGBColors(String input) {
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+ Matcher matcher = RGB_PATTERN.matcher(input);
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+ StringBuffer buffer = new StringBuffer();
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+ while (matcher.find()) {
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+ matcher.appendReplacement(buffer, "");
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+ }
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+ matcher.appendTail(buffer);
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+ return buffer.toString();
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+ }
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+
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+ static void format(String content, StringBuilder result, int start, boolean ansi) {
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+ int next = content.indexOf(COLOR_CHAR);
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+ int last = content.length() - 1;
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+ if (next == -1 || next == last) {
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+ result.setLength(start);
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+ result.append(content);
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+ if (ansi) {
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+ result.append(ANSI_RESET);
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+ }
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+ return;
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+ }
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+
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+ Matcher matcher = NAMED_PATTERN.matcher(content);
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+ StringBuffer buffer = new StringBuffer();
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+ while (matcher.find()) {
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+ int format = LOOKUP.indexOf(Character.toLowerCase(matcher.group().charAt(1)));
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+ if (format != -1) {
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+ matcher.appendReplacement(buffer, ansi ? ansiCodes[format] : "");
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+ }
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+ }
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+ matcher.appendTail(buffer);
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+
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+ result.setLength(start);
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+ result.append(buffer.toString());
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+ if (ansi) {
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+ result.append(ANSI_RESET);
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+ }
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+ }
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+
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+ /**
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+ * Gets a new instance of the {@link HexFormattingConverter} with the
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+ * specified options.
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+ *
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+ * @param config The current configuration
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+ * @param options The pattern options
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+ * @return The new instance
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+ *
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+ * @see HexFormattingConverter
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+ */
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+ public static HexFormattingConverter newInstance(Configuration config, String[] options) {
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+ if (options.length < 1 || options.length > 2) {
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+ LOGGER.error("Incorrect number of options on paperMinecraftFormatting. Expected at least 1, max 2 received " + options.length);
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+ return null;
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+ }
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+ if (options[0] == null) {
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+ LOGGER.error("No pattern supplied on paperMinecraftFormatting");
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+ return null;
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+ }
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+
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+ PatternParser parser = PatternLayout.createPatternParser(config);
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+ List<PatternFormatter> formatters = parser.parse(options[0]);
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+ boolean strip = options.length > 1 && "strip".equals(options[1]);
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+ return new HexFormattingConverter(formatters, strip);
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+ }
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+
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+}
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diff --git a/src/main/resources/log4j2.xml b/src/main/resources/log4j2.xml
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index 8af159abd3d0cc94cf155fec5b384c42f69551bf..67da1aa7a21622fb231d19dede3775a282a4a12e 100644
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--- a/src/main/resources/log4j2.xml
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+++ b/src/main/resources/log4j2.xml
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@@ -6,21 +6,21 @@
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</Queue>
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<TerminalConsole name="TerminalConsole">
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<PatternLayout>
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- <LoggerNamePatternSelector defaultPattern="%highlightError{[%d{HH:mm:ss} %level]: [%logger] %minecraftFormatting{%msg}%n%xEx{full}}">
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+ <LoggerNamePatternSelector defaultPattern="%highlightError{[%d{HH:mm:ss} %level]: [%logger] %paperMinecraftFormatting{%msg}%n%xEx{full}}">
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<!-- Log root, Minecraft, Mojang and Bukkit loggers without prefix -->
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<!-- Disable prefix for various plugins that bypass the plugin logger -->
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<PatternMatch key=",net.minecraft.,Minecraft,com.mojang.,com.sk89q.,ru.tehkode.,Minecraft.AWE"
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- pattern="%highlightError{[%d{HH:mm:ss} %level]: %minecraftFormatting{%msg}%n%xEx{full}}" />
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+ pattern="%highlightError{[%d{HH:mm:ss} %level]: %paperMinecraftFormatting{%msg}%n%xEx{full}}" />
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</LoggerNamePatternSelector>
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</PatternLayout>
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</TerminalConsole>
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<RollingRandomAccessFile name="File" fileName="logs/latest.log" filePattern="logs/%d{yyyy-MM-dd}-%i.log.gz">
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<PatternLayout>
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- <LoggerNamePatternSelector defaultPattern="[%d{HH:mm:ss}] [%t/%level]: [%logger] %minecraftFormatting{%msg}{strip}%n%xEx{full}">
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+ <LoggerNamePatternSelector defaultPattern="[%d{HH:mm:ss}] [%t/%level]: [%logger] %paperMinecraftFormatting{%msg}{strip}%n%xEx{full}">
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<!-- Log root, Minecraft, Mojang and Bukkit loggers without prefix -->
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<!-- Disable prefix for various plugins that bypass the plugin logger -->
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<PatternMatch key=",net.minecraft.,Minecraft,com.mojang.,com.sk89q.,ru.tehkode.,Minecraft.AWE"
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- pattern="[%d{HH:mm:ss}] [%t/%level]: %minecraftFormatting{%msg}{strip}%n%xEx{full}" />
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+ pattern="[%d{HH:mm:ss}] [%t/%level]: %paperMinecraftFormatting{%msg}{strip}%n%xEx{full}" />
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</LoggerNamePatternSelector>
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</PatternLayout>
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<Policies>
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