Diff: RecordVCard.cpp

Revision:

0:51d7bdf88981

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RecordVCard.cpp	Thu Dec 07 17:07:22 2017 +0000
@@ -0,0 +1,146 @@
+/**
+ ******************************************************************************
+ * @file    RecordVCard.cpp
+ * @author  ST / Central Labs
+ * @version V2.0.0
+ * @date    28 Apr 2017
+ * @brief   RecordVCard 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 <cstring>
+#include "RecordVCard.h"
+
+namespace NDefLib {
+
+const std::string RecordVCard::sEmptyTagContent("");
+const std::string RecordVCard::sVcardMimeType("text/vcard");
+const std::string RecordVCard::sStartVCardTag("BEGIN:VCARD\nVERSION:3.0\n");
+const std::string RecordVCard::sStartFieldTag[] = {
+	"ADR:", "ADR;TYPE=home:", "ADR;TYPE=work:", "AGENT:", "BDAY:",
+	"CATEGORIES:", "EMAIL:", "EMAIL;TYPE=home:", "EMAIL;TYPE=work:",
+	"FN:", "GEO:", "IMPP:", "KEY;TYPE=PGP:",
+	"KEY;TYPE=PGP;ENCODING=B:","LOGO:", "LOGO;VALUE=uri:",
+	"LOGO;ENCODING=B;", "N:", "NICKNAME:", "NOTE:", "ORG:",
+	"PHOTO;VALUE=uri:", "PHOTO;ENCODING=B;", "REV:", "SOURCE:",
+	"TEL:", "TEL;TYPE=HOME:", "TEL;TYPE=WORK:", "TEL;TYPE=CELL:",
+	"TITLE:", "URL:"
+};
+
+const std::string RecordVCard::sEndFieldTag("\n");
+const std::string RecordVCard::sEndVCardTag("END:VCARD");
+
+RecordVCard::RecordVCard(const VCardInfo_t &info) :
+	RecordMimeType(sVcardMimeType), mCardInfo(info),mContentIsChange(true) {
+	update_content_info_string();
+}
+
+void RecordVCard::update_content_info_string() {
+	if (!mContentIsChange) {
+		return;
+	}
+
+	mCardInfoString = sStartVCardTag;
+
+	VCardInfo_t::const_iterator it = mCardInfo.begin();
+	VCardInfo_t::const_iterator end = mCardInfo.end();
+
+	for (; it != end; ++it) {
+		mCardInfoString += sStartFieldTag[it->first];
+		mCardInfoString += it->second;
+		mCardInfoString += sEndFieldTag;
+	}
+
+	mCardInfoString += sEndVCardTag;
+
+	set_mime_data_pointer((uint8_t*)mCardInfoString.data(),mCardInfoString.size());
+
+	mContentIsChange=false;
+}
+
+uint16_t RecordVCard::find_VCard_field_data_lenght(const std::string &content, uint16_t offset) {
+	std::size_t pos = content.find(sEndFieldTag, offset);
+	if (pos == std::string::npos) { //if we don't find the end, lets consume all the content
+		return content.size() - offset;
+	}
+	return content.find(sEndFieldTag, offset) - offset;
+}
+
+int8_t RecordVCard::find_VCard_field_type(const std::string &content, uint16_t offset) {
+	const uint32_t nFieldTag = sizeof(sStartFieldTag) / sizeof(sStartFieldTag[0]);
+	for (uint32_t i = 0; i < nFieldTag; i++) {
+		if (content.find(sStartFieldTag[i], offset) != std::string::npos)
+			return i;
+	}
+
+	return -1;
+}
+
+RecordVCard* RecordVCard::parse(const RecordHeader &header, const uint8_t* buffer) {
+	if (header.get_FNT() != RecordHeader::Mime_media_type || header.get_type_length() != sVcardMimeType.size()) {
+		return NULL;
+	}
+	if (sVcardMimeType.compare(0, sVcardMimeType.size(), (const char*) buffer, sVcardMimeType.size()) != 0) {
+		return NULL;
+	}
+	buffer += header.get_type_length();
+	//we are at the start of the vcard data
+	if (sStartVCardTag.compare(0, sStartVCardTag.size(), (const char*) (buffer), sStartVCardTag.size()) != 0) {
+		return NULL;
+	}
+	//the version is ok
+	const std::string vCardContent((const char*) buffer + sStartVCardTag.size(),
+		header.get_payload_length() - sStartVCardTag.size());
+	uint16_t offset = 0;
+	buffer += sStartVCardTag.size(); // for debug
+	VCardInfo_t info;
+	do {
+		const int8_t type = find_VCard_field_type(vCardContent, offset);
+
+		if (type >= 0) { //if is a valid type
+			const VCardField_t fieldType = (VCardField_t) type;
+			offset += sStartFieldTag[fieldType].size(); // skip the tag name
+			//search the tag size
+			const uint16_t length = find_VCard_field_data_lenght(vCardContent, offset);
+			info[fieldType] = vCardContent.substr(offset, length);
+			offset += length + sEndFieldTag.size();
+		} else {
+			//unknow field, skip until next one
+			offset += find_VCard_field_data_lenght(vCardContent, offset) + sEndFieldTag.size();
+		}
+
+	} while (offset < vCardContent.size());
+
+	return new RecordVCard(info);
+}
+
+} /* namespace NDefLib */
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/