1 files changed, 90 insertions, 0 deletions
diff --git a/EssentialsUpdate/src/f00f/net/irc/martyr/util/IRCStringUtils.java b/EssentialsUpdate/src/f00f/net/irc/martyr/util/IRCStringUtils.java
new file mode 100644
index 000000000..3b4fa6075
--- /dev/null
+++ b/EssentialsUpdate/src/f00f/net/irc/martyr/util/IRCStringUtils.java
@@ -0,0 +1,90 @@
+package f00f.net.irc.martyr.util;
+
+import java.text.CharacterIterator;
+import java.text.StringCharacterIterator;
+import java.util.ArrayList;
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+
+/**
+ * @author Daniel Henninger
+ */
+public class IRCStringUtils
+{
+
+    /**
+     * Returns the message with all control characters stripped from it.
+     *
+     * @param msg Message to remove control chars from.
+     * @return Stripped form of message.
+     */
+    public static String stripControlChars(String msg)
+    {
+        Pattern pa = Pattern.compile("\u0003\\p{Digit}\\p{Digit}");
+        Matcher ma = pa.matcher(msg);
+        Pattern pb = Pattern.compile("\\p{Cntrl}");
+        Matcher mb = pb.matcher(ma.replaceAll(""));
+        return mb.replaceAll("");
+    }
+
+    /**
+     * Returns the message with all formatting characters converted into associated html characters.
+     *
+     * TODO: Should actually parse colors.
+     * @param msg Message to convert to HTML format.
+     * @return Message in HTML format.
+     */
+    public static String convertToHTML(String msg)
+    {
+        CharacterIterator ci = new StringCharacterIterator(msg);
+        String htmlStr = "";
+        ArrayList<String> formatList = new ArrayList<String>();
+        for (char c = ci.first(); c != CharacterIterator.DONE; c = ci.next()) {
+            if (c == '\u0002') {
+                if (formatList.contains("</b>")) {
+                    formatList.remove("</b>");
+                    htmlStr += "</b>";
+                }
+                else {
+                    formatList.add("</b>");
+                    htmlStr += "<b>";
+                }
+            }
+            else if (c == '\u001F') {
+                if (formatList.contains("</u>")) {
+                    formatList.remove("</u>");
+                    htmlStr += "</u>";
+                }
+                else {
+                    formatList.add("</u>");
+                    htmlStr += "<u>";
+                }
+            }
+            else if (c == '\u0016') {
+                if (formatList.contains("</i>")) {
+                    formatList.remove("</i>");
+                    htmlStr += "</i>";
+                }
+                else {
+                    formatList.add("</i>");
+                    htmlStr += "<i>";
+                }
+            }
+            else if (c == '\u000F' || c == '\u0015') {
+                for (String f : formatList) {
+                    htmlStr += f;
+                }
+                formatList.clear();
+            }
+            else {
+                htmlStr += c;
+            }
+        }
+        for (String f : formatList) {
+            htmlStr += f;
+        }
+        formatList.clear();
+        return stripControlChars(htmlStr);
+    }
+
+}