content: /**
   * Copyright (C) 2024 AIDC-AI
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.langengine.core.outputparser;
  
  import com.alibaba.langengine.core.agent.planexecute.Plan;
  import com.alibaba.langengine.core.agent.planexecute.Step;
  import com.alibaba.langengine.core.runnables.RunnableHashMap;
  import lombok.Data;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.regex.Pattern;
  import java.util.stream.Collectors;
  
  @Data
  public class PlanningOutputParser extends BaseOutputParser<RunnableHashMap> {
  
      @Override
      public RunnableHashMap parse(String text) {
          RunnableHashMap runnableHashMap = new RunnableHashMap();
          if(text == null) {
              return runnableHashMap;
          }
          List<Step> steps = new ArrayList<>();
          Pattern pattern = Pattern.compile("\n\\s*\\d+\\. ");
          String[] substrings = pattern.split(text);
          for (String substring : substrings) {
              if (!substring.trim().isEmpty()) {
                  Step step = new Step();
                  step.setValue(substring.trim());
                  steps.add(step);
              }
          }
          steps = steps.stream().skip(1).collect(Collectors.toList());
          Plan plan = new Plan();
          plan.setSteps(steps);
          runnableHashMap.put("plan", plan);
          return runnableHashMap;
      }
  }
  
  