text: /*
   *
   * Copyright 2015, Google Inc.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   */
  
  #ifndef GRPC_INTERNAL_CORE_JSON_JSON_H
  #define GRPC_INTERNAL_CORE_JSON_JSON_H
  
  #include <stdlib.h>
  
  #include "src/core/json/json_common.h"
  
  /* A tree-like structure to hold json values. The key and value pointers
   * are not owned by it.
   */
  typedef struct grpc_json {
    struct grpc_json* next;
    struct grpc_json* prev;
    struct grpc_json* child;
    struct grpc_json* parent;
  
    grpc_json_type type;
    const char* key;
    const char* value;
  } grpc_json;
  
  /* The next two functions are going to parse the input string, and
   * destroy it in the process, in order to use its space to store
   * all of the keys and values for the returned object tree.
   *
   * They assume UTF-8 input stream, and will output UTF-8 encoded
   * strings in the tree. The input stream's UTF-8 isn't validated,
   * as in, what you input is what you get as an output.
   *
   * All the keys and values in the grpc_json objects will be strings
   * pointing at your input buffer.
   *
   * Delete the allocated tree afterward using grpc_json_destroy().
   */
  grpc_json* grpc_json_parse_string_with_len(char* input, size_t size);
  grpc_json* grpc_json_parse_string(char* input);
  
  /* This function will create a new string using gpr_realloc, and will
   * deserialize the grpc_json tree into it. It'll be zero-terminated,
   * but will be allocated in chunks of 256 bytes.
   *
   * The indent parameter controls the way the output is formatted.
   * If indent is 0, then newlines will be suppressed as well, and the
   * output will be condensed at its maximum.
   */
  char* grpc_json_dump_to_string(grpc_json* json, int indent);
  
  /* Use these to create or delete a grpc_json object.
   * Deletion is recursive. We will not attempt to free any of the strings
   * in any of the objects of that tree.
   */
  grpc_json* grpc_json_create(grpc_json_type type);
  void grpc_json_destroy(grpc_json* json);
  
  #endif  /* GRPC_INTERNAL_CORE_JSON_JSON_H */
  