/*
 * Copyright 2009-present MongoDB, Inc.
 *
 * 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 <bson/bson-prelude.h>


#ifndef BSON_JSON_H
#define BSON_JSON_H


#include <bson/bson.h>


BSON_BEGIN_DECLS


typedef struct _bson_json_reader_t bson_json_reader_t;


typedef enum {
   BSON_JSON_ERROR_READ_CORRUPT_JS = 1,
   BSON_JSON_ERROR_READ_INVALID_PARAM,
   BSON_JSON_ERROR_READ_CB_FAILURE,
} bson_json_error_code_t;


/**
 * BSON_MAX_LEN_UNLIMITED
 *
 * Denotes unlimited length limit when converting BSON to JSON.
 */
#define BSON_MAX_LEN_UNLIMITED -1

/**
 * bson_json_mode_t:
 *
 * This enumeration contains the different modes to serialize BSON into extended
 * JSON.
 */
typedef enum {
   BSON_JSON_MODE_LEGACY,
   BSON_JSON_MODE_CANONICAL,
   BSON_JSON_MODE_RELAXED,
} bson_json_mode_t;


BSON_EXPORT(bson_json_opts_t *)
bson_json_opts_new(bson_json_mode_t mode, int32_t max_len);
BSON_EXPORT(void)
bson_json_opts_destroy(bson_json_opts_t *opts);
BSON_EXPORT(void)
bson_json_opts_set_outermost_array(bson_json_opts_t *opts, bool is_outermost_array);

typedef ssize_t(BSON_CALL *bson_json_reader_cb)(void *handle, uint8_t *buf, size_t count);
typedef void(BSON_CALL *bson_json_destroy_cb)(void *handle);


BSON_EXPORT(bson_json_reader_t *)
bson_json_reader_new(
   void *data, bson_json_reader_cb cb, bson_json_destroy_cb dcb, bool allow_multiple, size_t buf_size);
BSON_EXPORT(bson_json_reader_t *)
bson_json_reader_new_from_fd(int fd, bool close_on_destroy);
BSON_EXPORT(bson_json_reader_t *)
bson_json_reader_new_from_file(const char *filename, bson_error_t *error);
BSON_EXPORT(void)
bson_json_reader_destroy(bson_json_reader_t *reader);
BSON_EXPORT(int)
bson_json_reader_read(bson_json_reader_t *reader, bson_t *bson, bson_error_t *error);
BSON_EXPORT(bson_json_reader_t *)
bson_json_data_reader_new(bool allow_multiple, size_t size);
BSON_EXPORT(void)
bson_json_data_reader_ingest(bson_json_reader_t *reader, const uint8_t *data, size_t len);


BSON_END_DECLS


#endif /* BSON_JSON_H */
