Diff: NDefLib/Message.cpp

Revision:

43:dcde0e66874a

Parent:

11:3802c82a5ae9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NDefLib/Message.cpp	Thu Mar 08 13:13:53 2018 +0000
@@ -0,0 +1,132 @@
+/**
+ ******************************************************************************
+ * @file    Message.cpp
+ * @author  ST / Central Labs
+ * @version V2.0.0
+ * @date    28 Apr 2017
+ * @brief   NDef Message class implementation
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+ *
+ * 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 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 STMicroelectronics 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 HOLDER 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 <cstdlib>
+#include "NDefLib/Message.h"
+#include "RecordType/EmptyRecord.h"
+#include "RecordType/RecordText.h"
+#include "RecordType/RecordAAR.h"
+#include "RecordType/RecordMimeType.h"
+#include "RecordType/RecordURI.h"
+
+namespace NDefLib {
+
+uint16_t Message::get_byte_length() const {
+	uint16_t lenght = 2; //length size
+
+	if (mRecords.size() == 0) {
+		return lenght + EmptyRecord().get_byte_length();
+	}
+
+	std::vector<Record*>::const_iterator it = mRecords.begin();
+	const std::vector<Record*>::const_iterator end = mRecords.end();
+
+	for (; it != end; ++it) {
+		lenght += (*it)->get_byte_length();
+	} //for
+
+	return lenght;
+} //getByteLenght
+
+uint16_t Message::write(uint8_t *buffer) const {
+
+	const uint16_t length = get_byte_length() - 2;
+	uint16_t offset = 0;
+	buffer[offset++] = (uint8_t) ((length & 0xFF00) >> 8);
+	buffer[offset++] = (uint8_t) ((length & 0x00FF));
+
+	const uint32_t nRecord = mRecords.size();
+
+	if (mRecords.size() == 0) {
+		offset += EmptyRecord().write(buffer + offset);
+		return offset;
+	} //else
+
+	for (uint32_t i = 0; i < nRecord; i++) {
+		Record *r = mRecords[i];
+
+		r->set_as_middle_record();
+		if (i == 0) {
+			r->set_as_first_record();
+		}
+		if (i == nRecord - 1) {
+			r->set_as_last_record();
+		}
+
+		offset += r->write(buffer + offset);
+	} //for
+
+	return offset;
+} //write
+
+void Message::parse_message(const uint8_t * const rawNdefFile, const uint16_t length, Message *msg) {
+	uint16_t offset = 0;
+	Record *r;
+
+	RecordHeader header;
+	do {
+		const uint8_t headerLenght = header.load_header(rawNdefFile + offset);
+		r = RecordText::parse(header, rawNdefFile + offset + headerLenght);
+		if (r == NULL) {
+			r = RecordAAR::parse(header, rawNdefFile + offset + headerLenght);
+		}
+		if (r == NULL) {
+			r = RecordMimeType::parse(header,
+			rawNdefFile + offset + headerLenght);
+		}
+		if (r == NULL) {
+			r = RecordURI::parse(header, rawNdefFile + offset + headerLenght);
+		}
+
+		offset += header.get_record_length();
+		msg->add_record(r);
+	} while (offset < length);
+}
+
+void Message::remove_and_delete_all_record(Message &msg){
+    const uint32_t nRecords =msg.get_N_records();
+	for (uint32_t i =0 ;i<nRecords ;i++) {
+        NDefLib::Record *r = msg[i];
+        delete r;
+    }//for
+    msg.mRecords.clear();
+}//removeAndDeleteAllRecord
+
+} /* namespace NDefLib */
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/