1 files changed, 124 insertions, 0 deletions
diff --git a/src/main/java/goodgenerator/util/CharExchanger.java b/src/main/java/goodgenerator/util/CharExchanger.java
new file mode 100644
index 0000000000..e92eea548f
--- /dev/null
+++ b/src/main/java/goodgenerator/util/CharExchanger.java
@@ -0,0 +1,124 @@
+package goodgenerator.util;
+
+import net.minecraft.util.EnumChatFormatting;
+
+public class CharExchanger {
+
+    public static final String[] tierName = new String[] {
+            EnumChatFormatting.RED + "ULV" + EnumChatFormatting.RESET,
+            EnumChatFormatting.GRAY + "LV" + EnumChatFormatting.RESET,
+            EnumChatFormatting.AQUA + "MV" + EnumChatFormatting.RESET,
+            EnumChatFormatting.GOLD + "HV" + EnumChatFormatting.RESET,
+            EnumChatFormatting.DARK_PURPLE + "EV" + EnumChatFormatting.RESET,
+            EnumChatFormatting.DARK_BLUE + "IV" + EnumChatFormatting.RESET,
+            EnumChatFormatting.LIGHT_PURPLE + "LuV" + EnumChatFormatting.RESET,
+            EnumChatFormatting.WHITE + "ZPM" + EnumChatFormatting.RESET,
+            EnumChatFormatting.DARK_AQUA + "UV" + EnumChatFormatting.RESET,
+            EnumChatFormatting.DARK_RED + "UHV" + EnumChatFormatting.RESET,
+            EnumChatFormatting.GREEN + "UEV" + EnumChatFormatting.RESET,
+    };
+
+    public static char shifter(int unicode){
+        return (char)unicode;
+    }
+
+    public static boolean isValidCompareExpressChar(char c) {
+        return Character.isDigit(c) || c == '<' || c == '>' || c == '=' || c == '!';
+    }
+
+    public static boolean isValidCompareExpress(String exp) {
+        if (exp.length() < 2) return false;
+        for (char c: exp.toCharArray())
+            if (!isValidCompareExpressChar(c)) return false;
+        char c1 = exp.charAt(0), c2 = exp.charAt(1);
+        String subExp = "" + c1;
+        if (!Character.isDigit(c2)) subExp = subExp + c2;
+        switch (subExp) {
+            case ">":
+            case "<":
+            case ">=":
+            case "<=":
+            case "==":
+            case "!=":
+                break;
+            default: return false;
+        }
+        if (exp.length() == subExp.length()) return false;
+        for (int i = subExp.length(); i < exp.length(); i ++) {
+            if (!Character.isDigit(exp.charAt(i))) return false;
+        }
+        return true;
+    }
+
+    /**
+     *  ">" : 1 <BR>
+     *  "<" : 2 <BR>
+     *  "==" : 13 <BR>
+     *  "!=" : 14 <BR>
+     *  ">=" : 11 <BR>
+     *  "<=" : 12 <BR>
+     *  INVALID : -1
+     */
+    public static int getOperator(String exp){
+        char c1, c2;
+        int ret;
+        if (exp.length() < 1) return -1;
+        c1 = exp.charAt(0);
+        switch (c1) {
+            case '>': ret = 1;break;
+            case '<': ret = 2;break;
+            case '=': ret = 3;break;
+            case '!': ret = 4;break;
+            default: return -1;
+        }
+        if (exp.length() > 1) c2 = exp.charAt(1);
+        else return ret;
+        if (c2 == '=') {
+            ret += 10;
+        }
+        return ret;
+    }
+
+    public static boolean compareExpression(String exp, int num) {
+        int op = getOperator(exp);
+        String NumExp = exp;
+        String[] opChar = new String[]{">", "<", "=", "!"};
+        if (op == -1) throw new IllegalArgumentException();
+        for (String re: opChar) NumExp = NumExp.replace(re, "");
+        long num2 = 0;
+        for (char c: NumExp.toCharArray()) {
+            num2 *=10;
+            num2 += c - '0';
+        }
+        switch (op) {
+            case 1: return num > num2;
+            case 2: return num < num2;
+            case 13: return num == num2;
+            case 14: return num != num2;
+            case 11: return num >= num2;
+            case 12: return num <= num2;
+            default: return false;
+        }
+    }
+
+    public static String formatNumber(String exp) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < exp.length(); ++i) {
+            if (Character.isDigit(exp.charAt(i))) {
+                int cnt = 0, prt = i;
+                while (i < exp.length() && Character.isDigit(exp.charAt(i))) {
+                    i ++;
+                    cnt ++;
+                }
+                while (prt < exp.length() && Character.isDigit(exp.charAt(prt))) {
+                    sb.append(exp.charAt(prt));
+                    prt ++;
+                    cnt --;
+                    if (cnt % 3 == 0 && cnt != 0) sb.append(" ");
+                }
+            }
+            if (i < exp.length()) sb.append(exp.charAt(i));
+        }
+        return sb.toString();
+    }
+}