ChatUtilities.java
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package com.mumfrey.liteloader.util;
import java.util.List;
import net.minecraft.util.ChatComponentText;
import net.minecraft.util.ChatStyle;
import net.minecraft.util.EnumChatFormatting;
import net.minecraft.util.IChatComponent;
/**
* Utility functions for chat
*
* @author Adam Mummery-Smith
*/
public abstract class ChatUtilities
{
private static String formattingCodeLookup;
static
{
StringBuilder formattingCodes = new StringBuilder();
for (EnumChatFormatting chatFormat : EnumChatFormatting.values())
{
formattingCodes.append(chatFormat.toString().charAt(1));
}
ChatUtilities.formattingCodeLookup = formattingCodes.toString();
}
private ChatUtilities() {}
/**
* Get a chat style from a legacy formatting code
*
* @param code Code
* @return
*/
public static ChatStyle getChatStyleFromCode(char code)
{
int pos = ChatUtilities.formattingCodeLookup.indexOf(code);
if (pos < 0) return null;
EnumChatFormatting format = EnumChatFormatting.values()[pos];
ChatStyle style = new ChatStyle();
if (format.isColor())
{
style.setColor(format);
}
else if (format.isFancyStyling())
{
switch (format)
{
case BOLD: style.setBold(true); break;
case ITALIC: style.setItalic(true); break;
case STRIKETHROUGH: style.setStrikethrough(true); break;
case UNDERLINE: style.setUnderlined(true); break;
case OBFUSCATED: style.setObfuscated(true); break;
}
}
return style;
}
/**
* Convert a component containing text formatted with legacy codes to a native ChatComponent structure
*/
public static IChatComponent convertLegacyCodes(IChatComponent chat)
{
return ChatUtilities.covertCodesInPlace(chat);
}
private static List<IChatComponent> covertCodesInPlace(List<IChatComponent> siblings)
{
for (int index = 0; index < siblings.size(); index++)
{
siblings.set(index, ChatUtilities.covertCodesInPlace(siblings.get(index)));
}
return siblings;
}
@SuppressWarnings("unchecked")
private static IChatComponent covertCodesInPlace(IChatComponent component)
{
IChatComponent newComponent = null;
if (component instanceof ChatComponentText)
{
ChatComponentText textComponent = (ChatComponentText)component;
ChatStyle style = textComponent.getChatStyle();
String text = textComponent.getChatComponentText_TextValue();
int pos = text.indexOf('\247');
while (pos > -1 && text != null)
{
if (pos < text.length() - 1)
{
IChatComponent head = new ChatComponentText(pos > 0 ? text.substring(0, pos) : "").setChatStyle(style);
style = ChatUtilities.getChatStyleFromCode(text.charAt(pos + 1));
text = text.substring(pos + 2);
newComponent = (newComponent == null) ? head : newComponent.appendSibling(head);
pos = text.indexOf('\247');
}
else
{
text = null;
}
}
if (text != null)
{
IChatComponent tail = new ChatComponentText(text).setChatStyle(style);
newComponent = (newComponent == null) ? tail : newComponent.appendSibling(tail);
}
}
if (newComponent == null)
{
ChatUtilities.covertCodesInPlace(component.getSiblings());
return component;
}
for (IChatComponent oldSibling : ChatUtilities.covertCodesInPlace((List<IChatComponent>)component.getSiblings()))
{
newComponent.appendSibling(oldSibling);
}
return newComponent;
}
}