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- /**
- * Copyright (c) 2016 - 2020, Nordic Semiconductor ASA
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form, except as embedded into a Nordic
- * Semiconductor ASA integrated circuit in a product or a software update for
- * such product, 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.
- *
- * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * 4. This software, with or without modification, must only be used with a
- * Nordic Semiconductor ASA integrated circuit.
- *
- * 5. Any software provided in binary form under this license must not be reverse
- * engineered, decompiled, modified and/or disassembled.
- *
- * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
- *
- */
- #include "sdk_common.h"
- #if NRF_MODULE_ENABLED(NFC_NDEF_MSG_PARSER)
- #include "nfc_ndef_msg_parser_local.h"
- ret_code_t internal_ndef_msg_parser(nfc_ndef_parser_memo_desc_t * const p_parser_memo_desc,
- uint8_t const * p_nfc_data,
- uint32_t * const p_nfc_data_len)
- {
- nfc_ndef_record_location_t record_location;
- ret_code_t ret_code;
- uint32_t nfc_data_left = *p_nfc_data_len;
- uint32_t temp_nfc_data_len = 0;
- // want to modify -> use local copy
- nfc_ndef_bin_payload_desc_t * p_bin_pay_desc = p_parser_memo_desc->p_bin_pay_desc;
- nfc_ndef_record_desc_t * p_rec_desc = p_parser_memo_desc->p_rec_desc;
- while (nfc_data_left > 0)
- {
- temp_nfc_data_len = nfc_data_left;
- ret_code = ndef_record_parser(p_bin_pay_desc,
- p_rec_desc,
- &record_location,
- p_nfc_data,
- &temp_nfc_data_len);
- if (ret_code != NRF_SUCCESS)
- {
- return ret_code;
- }
- // verify the records location flags
- if (p_parser_memo_desc->p_msg_desc->record_count == 0)
- {
- if ((record_location != NDEF_FIRST_RECORD) && (record_location != NDEF_LONE_RECORD))
- {
- return NRF_ERROR_INVALID_DATA;
- }
- }
- else
- {
- if ((record_location != NDEF_MIDDLE_RECORD) && (record_location != NDEF_LAST_RECORD))
- {
- return NRF_ERROR_INVALID_DATA;
- }
- }
- ret_code = nfc_ndef_msg_record_add(p_parser_memo_desc->p_msg_desc, p_rec_desc);
- if (ret_code != NRF_SUCCESS)
- {
- return ret_code;
- }
- nfc_data_left -= temp_nfc_data_len;
- if ((record_location == NDEF_LAST_RECORD) || (record_location == NDEF_LONE_RECORD))
- {
- *p_nfc_data_len = *p_nfc_data_len - nfc_data_left;
- return NRF_SUCCESS;
- }
- else
- {
- if (p_parser_memo_desc->p_msg_desc->record_count ==
- p_parser_memo_desc->p_msg_desc->max_record_count)
- {
- return NRF_ERROR_NO_MEM;
- }
- p_nfc_data += temp_nfc_data_len;
- p_bin_pay_desc++;
- p_rec_desc++;
- }
- }
- return NRF_ERROR_INVALID_DATA;
- }
- ret_code_t ndef_parser_memo_resolve(uint8_t * const p_result_buf,
- uint32_t * const p_result_buf_len,
- nfc_ndef_parser_memo_desc_t * const p_parser_memo_desc)
- {
- uint32_t max_rec_num;
- uint32_t memory_last;
- uint8_t * p_end;
- nfc_ndef_record_desc_t * * pp_record_desc_array;
- if (*p_result_buf_len < sizeof(parsed_ndef_msg_1_t))
- {
- return NRF_ERROR_NO_MEM;
- }
- memory_last = (*p_result_buf_len) - sizeof(parsed_ndef_msg_1_t);
- max_rec_num = (memory_last / (NFC_PARSER_M_DELTA)) + 1;
- p_parser_memo_desc->p_msg_desc = (nfc_ndef_msg_desc_t *) p_result_buf;
- pp_record_desc_array =
- (nfc_ndef_record_desc_t * *) &p_parser_memo_desc->p_msg_desc[1];
- p_parser_memo_desc->p_bin_pay_desc =
- (nfc_ndef_bin_payload_desc_t *) &pp_record_desc_array[max_rec_num];
- p_parser_memo_desc->p_rec_desc =
- (nfc_ndef_record_desc_t *) &p_parser_memo_desc->p_bin_pay_desc[max_rec_num];
- // initialize message description
- p_parser_memo_desc->p_msg_desc->pp_record = pp_record_desc_array;
- p_parser_memo_desc->p_msg_desc->max_record_count = max_rec_num;
- p_parser_memo_desc->p_msg_desc->record_count = 0;
- p_end = (uint8_t *) &p_parser_memo_desc->p_rec_desc[max_rec_num];
- *p_result_buf_len = p_end - p_result_buf;
- return NRF_SUCCESS;
- }
- #endif // NRF_MODULE_ENABLED(NFC_NDEF_MSG_PARSER)
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