Duy tran / RecordType-v-16

v-16

RecordText.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 RecordText.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 RecordText 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
DuyLionTran 0:89e2c8a57572 38 #include <cstring>
DuyLionTran 0:89e2c8a57572 39 #include <NDefLib/RecordType/RecordText.h>
DuyLionTran 0:89e2c8a57572 40
DuyLionTran 0:89e2c8a57572 41 namespace NDefLib {
DuyLionTran 0:89e2c8a57572 42
DuyLionTran 0:89e2c8a57572 43 const uint8_t RecordText::NDEFTextIdCode = 'T';
DuyLionTran 0:89e2c8a57572 44
DuyLionTran 0:89e2c8a57572 45 void RecordText::set_record_header() {
DuyLionTran 0:89e2c8a57572 46 mRecordHeader.set_FNT(RecordHeader::NFC_well_known);
DuyLionTran 0:89e2c8a57572 47 mRecordHeader.set_type_length(sizeof(NDEFTextIdCode));
DuyLionTran 0:89e2c8a57572 48 update_playload_length();
DuyLionTran 0:89e2c8a57572 49 }
DuyLionTran 0:89e2c8a57572 50
DuyLionTran 0:89e2c8a57572 51 RecordText::RecordText(const std::string &text) :
DuyLionTran 0:89e2c8a57572 52 mEncode(UTF8), mLanguage("en"), mText(text), mTextStatus (get_text_status(mEncode, mLanguage)) {
DuyLionTran 0:89e2c8a57572 53 set_record_header();
DuyLionTran 0:89e2c8a57572 54 }
DuyLionTran 0:89e2c8a57572 55
DuyLionTran 0:89e2c8a57572 56 RecordText::RecordText(const TextEncoding encoding, const std::string &language,
DuyLionTran 0:89e2c8a57572 57 const std::string &text) :
DuyLionTran 0:89e2c8a57572 58 mEncode(encoding), mLanguage(language), mText(text), mTextStatus(get_text_status(mEncode, mLanguage)) {
DuyLionTran 0:89e2c8a57572 59 set_record_header();
DuyLionTran 0:89e2c8a57572 60 }
DuyLionTran 0:89e2c8a57572 61
DuyLionTran 0:89e2c8a57572 62 uint16_t RecordText::write(uint8_t *buffer) {
DuyLionTran 0:89e2c8a57572 63 int16_t offset = 0;
DuyLionTran 0:89e2c8a57572 64 offset += mRecordHeader.write_header(buffer);
DuyLionTran 0:89e2c8a57572 65
DuyLionTran 0:89e2c8a57572 66 buffer[offset++] = NDEFTextIdCode;
DuyLionTran 0:89e2c8a57572 67 buffer[offset++] = mTextStatus;
DuyLionTran 0:89e2c8a57572 68
DuyLionTran 0:89e2c8a57572 69 std::memcpy(buffer + offset, mLanguage.c_str(), mLanguage.size());
DuyLionTran 0:89e2c8a57572 70 offset += mLanguage.size();
DuyLionTran 0:89e2c8a57572 71 std::memcpy(buffer + offset, mText.c_str(), mText.size());
DuyLionTran 0:89e2c8a57572 72 offset += mText.size();
DuyLionTran 0:89e2c8a57572 73
DuyLionTran 0:89e2c8a57572 74 return offset;
DuyLionTran 0:89e2c8a57572 75 }
DuyLionTran 0:89e2c8a57572 76
DuyLionTran 0:89e2c8a57572 77 RecordText* RecordText::parse(const RecordHeader &header, const uint8_t * const buffer) {
DuyLionTran 0:89e2c8a57572 78 uint32_t index = 0;
DuyLionTran 0:89e2c8a57572 79 if (header.get_FNT() == RecordHeader::NFC_well_known && buffer[index++] == NDEFTextIdCode) {
DuyLionTran 0:89e2c8a57572 80 const uint8_t textStatus = buffer[index++];
DuyLionTran 0:89e2c8a57572 81 const TextEncoding enc = get_encoding(textStatus);
DuyLionTran 0:89e2c8a57572 82 const uint8_t langSize = get_language_length(textStatus);
DuyLionTran 0:89e2c8a57572 83 //-1 is the textStatus
DuyLionTran 0:89e2c8a57572 84 const uint8_t textSize = header.get_payload_length() - langSize - 1;
DuyLionTran 0:89e2c8a57572 85
DuyLionTran 0:89e2c8a57572 86 return new RecordText(enc,
DuyLionTran 0:89e2c8a57572 87 std::string((const char*) (buffer + index), langSize),
DuyLionTran 0:89e2c8a57572 88 std::string((const char*) (buffer + index + langSize),
DuyLionTran 0:89e2c8a57572 89 textSize));
DuyLionTran 0:89e2c8a57572 90 } else {
DuyLionTran 0:89e2c8a57572 91 return NULL;
DuyLionTran 0:89e2c8a57572 92 }
DuyLionTran 0:89e2c8a57572 93 }
DuyLionTran 0:89e2c8a57572 94
DuyLionTran 0:89e2c8a57572 95 } /* namespace NDefLib */
DuyLionTran 0:89e2c8a57572 96
DuyLionTran 0:89e2c8a57572 97
DuyLionTran 0:89e2c8a57572 98 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/