text: /*
   *
   * Copyright 2015 gRPC authors.
   *
   * 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.
   *
   */
  
  #include <string.h>
  
  #include <grpc/support/alloc.h>
  
  #include "src/core/lib/json/json.h"
  
  grpc_json* grpc_json_create(grpc_json_type type) {
    grpc_json* json = (grpc_json*)gpr_zalloc(sizeof(*json));
    json->type = type;
  
    return json;
  }
  
  void grpc_json_destroy(grpc_json* json) {
    while (json->child) {
      grpc_json_destroy(json->child);
    }
  
    if (json->next) {
      json->next->prev = json->prev;
    }
  
    if (json->prev) {
      json->prev->next = json->next;
    } else if (json->parent) {
      json->parent->child = json->next;
    }
  
    gpr_free(json);
  }
  