content: /*
   * Copyright 2020 Alibaba Group Holding Limited.
   *
   * 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.graphscope.common.jna;
  
  import com.sun.jna.FunctionMapper;
  import com.sun.jna.NativeLibrary;
  
  import java.lang.reflect.Method;
  
  public class IrFunctionMapper implements FunctionMapper {
      public static IrFunctionMapper INSTANCE = new IrFunctionMapper();
  
      private IrFunctionMapper() {
          super();
      }
  
      @Override
      public String getFunctionName(NativeLibrary nativeLibrary, Method method) {
          String target = method.getName();
          String[] splits = target.split("(?=\\p{Lu})");
          StringBuilder cName = new StringBuilder();
          for (int i = 0; i < splits.length; ++i) {
              if (i != 0) {
                  cName.append("_");
              }
              cName.append(splits[i].toLowerCase());
          }
          return cName.toString();
      }
  }
  