Duy tran / RecordType-v-16

v-16

RecordAAR.cpp@0:89e2c8a57572, 2017-12-12 (annotated)

Committer:
DuyLionTran
Date:
Tue Dec 12 15:58:23 2017 +0000
Revision:
0:89e2c8a57572
version 1.6

Who changed what in which revision?

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DuyLionTran 0:89e2c8a57572 1 /**
DuyLionTran 0:89e2c8a57572 2 ******************************************************************************
DuyLionTran 0:89e2c8a57572 3 * @file RecordAAR.cpp
DuyLionTran 0:89e2c8a57572 4 * @author ST / Central Labs
DuyLionTran 0:89e2c8a57572 5 * @version V2.0.0
DuyLionTran 0:89e2c8a57572 6 * @date 28 Apr 2017
DuyLionTran 0:89e2c8a57572 7 * @brief RecordAAR implementation.
DuyLionTran 0:89e2c8a57572 8 ******************************************************************************
DuyLionTran 0:89e2c8a57572 9 * @attention
DuyLionTran 0:89e2c8a57572 10 *
DuyLionTran 0:89e2c8a57572 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
DuyLionTran 0:89e2c8a57572 12 *
DuyLionTran 0:89e2c8a57572 13 * Redistribution and use in source and binary forms, with or without modification,
DuyLionTran 0:89e2c8a57572 14 * are permitted provided that the following conditions are met:
DuyLionTran 0:89e2c8a57572 15 * 1. Redistributions of source code must retain the above copyright notice,
DuyLionTran 0:89e2c8a57572 16 * this list of conditions and the following disclaimer.
DuyLionTran 0:89e2c8a57572 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
DuyLionTran 0:89e2c8a57572 18 * this list of conditions and the following disclaimer in the documentation
DuyLionTran 0:89e2c8a57572 19 * and/or other materials provided with the distribution.
DuyLionTran 0:89e2c8a57572 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
DuyLionTran 0:89e2c8a57572 21 * may be used to endorse or promote products derived from this software
DuyLionTran 0:89e2c8a57572 22 * without specific prior written permission.
DuyLionTran 0:89e2c8a57572 23 *
DuyLionTran 0:89e2c8a57572 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
DuyLionTran 0:89e2c8a57572 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
DuyLionTran 0:89e2c8a57572 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DuyLionTran 0:89e2c8a57572 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
DuyLionTran 0:89e2c8a57572 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DuyLionTran 0:89e2c8a57572 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
DuyLionTran 0:89e2c8a57572 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
DuyLionTran 0:89e2c8a57572 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
DuyLionTran 0:89e2c8a57572 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
DuyLionTran 0:89e2c8a57572 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
DuyLionTran 0:89e2c8a57572 34 *
DuyLionTran 0:89e2c8a57572 35 ******************************************************************************
DuyLionTran 0:89e2c8a57572 36 */
DuyLionTran 0:89e2c8a57572 37 #include <cstring>
DuyLionTran 0:89e2c8a57572 38 #include "RecordAAR.h"
DuyLionTran 0:89e2c8a57572 39
DuyLionTran 0:89e2c8a57572 40 namespace NDefLib {
DuyLionTran 0:89e2c8a57572 41
DuyLionTran 0:89e2c8a57572 42 const char RecordAAR::sRecordType[] = { 'a', 'n', 'd', 'r', 'o', 'i', 'd', '.',
DuyLionTran 0:89e2c8a57572 43 'c', 'o', 'm', ':', 'p', 'k', 'g' };
DuyLionTran 0:89e2c8a57572 44
DuyLionTran 0:89e2c8a57572 45 RecordAAR::RecordAAR(const std::string &packageName) :
DuyLionTran 0:89e2c8a57572 46 mPackageName(packageName) {
DuyLionTran 0:89e2c8a57572 47 mRecordHeader.set_FNT(RecordHeader::NFC_external);
DuyLionTran 0:89e2c8a57572 48 mRecordHeader.set_type_length(sizeof(sRecordType));
DuyLionTran 0:89e2c8a57572 49 mRecordHeader.set_payload_length(mPackageName.size());
DuyLionTran 0:89e2c8a57572 50
DuyLionTran 0:89e2c8a57572 51 }
DuyLionTran 0:89e2c8a57572 52
DuyLionTran 0:89e2c8a57572 53 uint16_t RecordAAR::write(uint8_t *buffer) {
DuyLionTran 0:89e2c8a57572 54 uint16_t offset = 0;
DuyLionTran 0:89e2c8a57572 55 offset += mRecordHeader.write_header(buffer);
DuyLionTran 0:89e2c8a57572 56 std::memcpy(buffer + offset, sRecordType, sizeof(sRecordType));
DuyLionTran 0:89e2c8a57572 57 offset += sizeof(sRecordType);
DuyLionTran 0:89e2c8a57572 58 std::memcpy(buffer + offset, mPackageName.c_str(), mPackageName.size());
DuyLionTran 0:89e2c8a57572 59 offset += mPackageName.size();
DuyLionTran 0:89e2c8a57572 60 return offset;
DuyLionTran 0:89e2c8a57572 61 }
DuyLionTran 0:89e2c8a57572 62
DuyLionTran 0:89e2c8a57572 63 RecordAAR* RecordAAR::parse(const RecordHeader &header,
DuyLionTran 0:89e2c8a57572 64 const uint8_t *buffer) {
DuyLionTran 0:89e2c8a57572 65 uint8_t offset = 0;
DuyLionTran 0:89e2c8a57572 66 if ((header.get_FNT() != RecordHeader::NFC_external)
DuyLionTran 0:89e2c8a57572 67 && (header.get_type_length() != sizeof(sRecordType))) {
DuyLionTran 0:89e2c8a57572 68 return NULL;
DuyLionTran 0:89e2c8a57572 69 } //else
DuyLionTran 0:89e2c8a57572 70
DuyLionTran 0:89e2c8a57572 71 if (std::memcmp(buffer + offset, sRecordType, sizeof(sRecordType)) != 0) {
DuyLionTran 0:89e2c8a57572 72 return NULL;
DuyLionTran 0:89e2c8a57572 73 } //else tagType == android.com:pkg
DuyLionTran 0:89e2c8a57572 74
DuyLionTran 0:89e2c8a57572 75 offset += sizeof(sRecordType);
DuyLionTran 0:89e2c8a57572 76
DuyLionTran 0:89e2c8a57572 77 return new RecordAAR(
DuyLionTran 0:89e2c8a57572 78 std::string((const char*) buffer + offset,
DuyLionTran 0:89e2c8a57572 79 header.get_payload_length()));
DuyLionTran 0:89e2c8a57572 80 }
DuyLionTran 0:89e2c8a57572 81
DuyLionTran 0:89e2c8a57572 82 } /* namespace NDefLib */