content: /*
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
   ~                                                                               ~
   ~ The MIT License (MIT)                                                         ~
   ~                                                                               ~
   ~ Copyright (c) 2015-2025 miaixz.org and other contributors.                    ~
   ~                                                                               ~
   ~ Permission is hereby granted, free of charge, to any person obtaining a copy  ~
   ~ of this software and associated documentation files (the "Software"), to deal ~
   ~ in the Software without restriction, including without limitation the rights  ~
   ~ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell     ~
   ~ copies of the Software, and to permit persons to whom the Software is         ~
   ~ furnished to do so, subject to the following conditions:                      ~
   ~                                                                               ~
   ~ The above copyright notice and this permission notice shall be included in    ~
   ~ all copies or substantial portions of the Software.                           ~
   ~                                                                               ~
   ~ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    ~
   ~ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      ~
   ~ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   ~
   ~ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        ~
   ~ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ~
   ~ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN     ~
   ~ THE SOFTWARE.                                                                 ~
   ~                                                                               ~
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
  */
  package org.miaixz.bus.core.lang.ansi;
  
  import org.miaixz.bus.core.lang.Symbol;
  
  /**
   * ANSI文本样式风格
   *
   * @author Kimi Liu
   * @since Java 17+
   */
  public class AnsiEncoder {
  
      private static final String ENCODE_START = "\033[";
      private static final String ENCODE_END = "m";
      private static final String RESET = "0;" + Ansi4BitColor.DEFAULT;
  
      /**
       * 创建ANSI字符串，参数中的{@link AnsiElement}会被转换为编码形式。
       *
       * @param args 节点数组
       * @return ANSI字符串
       */
      public static String encode(final Object... args) {
          final StringBuilder sb = new StringBuilder();
          buildEnabled(sb, args);
          return sb.toString();
      }
  
      /**
       * 追加需要需转义的节点
       *
       * @param sb   {@link StringBuilder}
       * @param args 节点列表
       */
      private static void buildEnabled(final StringBuilder sb, final Object[] args) {
          boolean writingAnsi = false;
          boolean containsEncoding = false;
          for (final Object element : args) {
              if (null == element) {
                  continue;
              }
              if (element instanceof AnsiElement) {
                  containsEncoding = true;
                  if (writingAnsi) {
                      sb.append(Symbol.SEMICOLON);
                  } else {
                      sb.append(ENCODE_START);
                      writingAnsi = true;
                  }
              } else {
                  if (writingAnsi) {
                      sb.append(ENCODE_END);
                      writingAnsi = false;
                  }
              }
              sb.append(element);
          }
  
          // 恢复默认
          if (containsEncoding) {
              sb.append(writingAnsi ? Symbol.SEMICOLON : ENCODE_START);
              sb.append(RESET);
              sb.append(ENCODE_END);
          }
      }
  
  }
  