class="kw">package com.hypixel.hytale.server.core.command.system;

class="kw">import com.hypixel.hytale.server.core.Message;
class="kw">import it.unimi.dsi.fastutil.objects.ObjectArrayList;
class="kw">import java.util.List;
class="kw">import java.util.regex.Pattern;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class Tokenizer {
   class="kw">public class="kw">static class="kw">final char MULTI_ARG_SEPARATOR_CHAR = ',';
   class="kw">public class="kw">static class="kw">final char MULTI_ARG_BEGIN_CHAR = '[';
   class="kw">public class="kw">static class="kw">final char MULTI_ARG_END_CHAR = ']';
   class="kw">public class="kw">static class="kw">final String MULTI_ARG_SEPARATOR = String.valueOf(',');
   class="kw">public class="kw">static class="kw">final String MULTI_ARG_BEGIN = String.valueOf('[');
   class="kw">public class="kw">static class="kw">final String MULTI_ARG_END = String.valueOf(']');
   class="kw">private class="kw">static class="kw">final Message MESSAGE_COMMANDS_PARSING_ERROR_UNBALANCED_QUOTES = Message.translation("server.commands.parsing.error.unbalancedQuotes");

   class="kw">public Tokenizer() {
   }

   @Nullable
   class="kw">public class="kw">static List<String> parseArguments(@Nonnull String var0, @Nonnull ParseResult var1) {
      List var2 = new ObjectArrayList();
      String[] var3 = var0.split(Pattern.quote(" "), 2);
      var2.add(var3[0]);
      if (var3.length == 1) {
         class="kw">return var2;
      }

      String var4 = var3[1];
      char var5 = 0;
      int var6 = 0;
      boolean var7 = false;

      for (int var8 = 0; var8 < var4.length(); var8++) {
         boolean var10;
         char var9 = var4.charAt(var8);
         var10 = false;
         label99:
         class="kw">switch (var9) {
            case ' ':
               if (var5 == 0) {
                  if (var6 < var8) {
                     var2.add(var4.substring(var6, var8));
                  }

                  var6 = var8 + 1;
               }
               break;
            case '"':
               if (var5 == 0) {
                  var5 = '"';
               } else if (var5 == '"') {
                  var5 = 0;
                  String var15 = var4.substring(var6, var8 + 1);
                  if (!var15.isEmpty()) {
                     var2.add(var15);
                  }

                  var6 = var8 + 1;
               }
               break;
            case '\'':
               if (var5 == 0 && var6 == var8) {
                  var5 = '\'';
               } else if (var5 == '\'') {
                  var5 = 0;
                  String var14 = var4.substring(var6, var8 + 1);
                  if (!var14.isEmpty()) {
                     var2.add(var14);
                  }

                  var6 = var8 + 1;
               }
               break;
            case ',':
               if (var5 == 0) {
                  String var13 = var4.substring(var6, var8);
                  if (!var13.isEmpty()) {
                     var2.add(var13);
                  }

                  var6 = var8;
                  var10 = true;
               }
               break;
            case '[':
               if (var5 == 0) {
                  if (var7) {
                     var1.fail(Message.translation("server.commands.parsing.error.cannotBeginListInsideList").param("index", var8));
                     class="kw">return null;
                  }

                  var7 = true;
                  var6 = var8;
                  var10 = true;
               }
               break;
            case '\\':
               if (var4.length() <= var8 + 1) {
                  var1.fail(Message.translation("server.commands.parsing.error.invalidEscape").param("index", var8 + 1).param("input", var0));
                  class="kw">return null;
               }

               char var11 = var4.charAt(var8 + 1);
               class="kw">switch (var11) {
                  case '"':
                  case '\'':
                  case ',':
                  case '[':
                  case '\\':
                  case ']':
                     var4 = var4.substring(0, var8) + var4.substring(var8 + 1);
                     var8++;
                     break label99;
                  class="kw">default:
                     var1.fail(
                        Message.translation("server.commands.parsing.error.invalidEscapeForSymbol")
                           .param("symbol", var11)
                           .param("index", var8 + 1)
                           .param("input", var0)
                           .param("command", var0)
                     );
                     class="kw">return null;
               }
            case ']':
               if (var5 == 0) {
                  if (!var7) {
                     var1.fail(Message.translation("server.commands.parsing.error.cannotEndListWithoutStarting").param("index", var8));
                     class="kw">return null;
                  }

                  String var12 = var4.substring(var6, var8);
                  if (!var12.isEmpty()) {
                     var2.add(var12);
                  }

                  var6 = var8;
                  var7 = false;
                  var10 = true;
               }
         }

         if (var10) {
            var2.add(var4.substring(var6, var8 + 1));
            var6 = var8 + 1;
         }

         if (var6 > var4.length()) {
            var6 = var4.length();
            break;
         }
      }

      if (var5 != 0) {
         var1.fail(MESSAGE_COMMANDS_PARSING_ERROR_UNBALANCED_QUOTES);
         class="kw">return null;
      }

      if (var6 != var4.length()) {
         var2.add(var4.substring(var6));
      }

      class="kw">return var2;
   }
}