From feee46cd739cb77e2adac508832f13b7b6d1b75f Mon Sep 17 00:00:00 2001
From: Steve Brokenshire <sbrokenshire@xestia.co.uk>
Date: Sun, 29 May 2016 20:35:01 +0100
Subject: [PATCH] Added the ProcessXMLSyncTokenList function for the CalDAV
 class

---
 .../objects/CalDAV/CalDAV-XMLProcessing.cpp   | 95 +++++++++++++++++++
 source/objects/CalDAV/CalDAV.h                |  1 +
 2 files changed, 96 insertions(+)

diff --git a/source/objects/CalDAV/CalDAV-XMLProcessing.cpp b/source/objects/CalDAV/CalDAV-XMLProcessing.cpp
index 9589868..d216a33 100644
--- a/source/objects/CalDAV/CalDAV-XMLProcessing.cpp
+++ b/source/objects/CalDAV/CalDAV-XMLProcessing.cpp
@@ -574,6 +574,101 @@ CalDAVEntryList CalDAV::ProcessXMLEntryList(){
 	return EntryList;
 	
 }
+
+CalDAVEntryList CalDAV::ProcessXMLSyncTokenList(){
+
+	CalDAVEntryList EntryList;
+	
+	xmlDocPtr xmlCalDAVDoc;
+	xmlCalDAVDoc = xmlReadMemory(ServerData.c_str(), (int)ServerData.size(), "noname.xml", NULL, 0);
+
+	xmlNodePtr NodeSeek = NULL;
+	xmlNodePtr NodeResponse = NULL;
+	xmlNodePtr NodeMatch = NULL;
+	xmlNodePtr NodeData = NULL;
+	bool NodeFound = false;
+	int ResponseCount = 0;
+	
+	// Start with the first node, look for multistatus.
+	
+	for (NodeSeek = xmlCalDAVDoc->children;
+		NodeSeek != NULL;
+		NodeSeek = NodeSeek->next)
+	{
+	
+		if (!xmlStrcmp(NodeSeek->name, (const xmlChar *)"multistatus") ||
+			!xmlStrcmp(NodeSeek->name, (const xmlChar *)"d:multistatus") ||
+			!xmlStrcmp(NodeSeek->name, (const xmlChar *)"D:multistatus")
+		){
+		
+			NodeResponse = NodeSeek->children;	
+			NodeFound = true;
+			break;
+			
+		}
+		
+	}
+	
+	if (NodeFound == false){
+	
+		return EntryList;
+
+	}
+	
+	for (NodeResponse = NodeSeek->children;
+		NodeResponse != nullptr;
+		NodeResponse = NodeResponse->next)
+	{
+	
+		// Go through each of the responses and find the calendars.
+
+		NodeMatch = xmlCopyNode(NodeResponse, 1);
+		
+		if (MatchXMLName(&NodeMatch, "response")){
+
+			NodeData = xmlCopyNode(NodeMatch, 1);
+			
+			// Get the HREF.
+			
+			NodeData = xmlCopyNode(NodeMatch, 1);
+			
+			if (!MatchXMLNameTransverse(&NodeData, "href")){ continue; }
+						
+			string HREFAddress = FetchXMLData(&NodeData);
+			
+			// Get the entry entity tag.
+			
+			NodeData = xmlCopyNode(NodeMatch, 1);
+			
+			string EntryEntityTag = "";
+			
+			if (!MatchXMLNameTransverse(&NodeData, "propstat")){ continue; }
+			if (!MatchXMLNameTransverse(&NodeData, "prop")){ continue; }
+			if (MatchXMLNameTransverse(&NodeData, "getetag")){ 
+				
+				EntryEntityTag = FetchXMLData(&NodeData);
+				
+			}
+			
+			// Insert the calendar information into the
+			// list if all the information is there.
+			
+			EntryList.HREF.insert(make_pair(ResponseCount, HREFAddress));
+			EntryList.Data.insert(make_pair(ResponseCount, ""));
+			EntryList.Tag.insert(make_pair(ResponseCount, EntryEntityTag));
+			
+			ResponseCount++;
+			
+		}
+		
+	}
+	
+	xmlFreeDoc(xmlCalDAVDoc);
+	
+	return EntryList;
+	
+}
+
 bool CalDAV::MatchXMLNameTransverse(xmlNodePtr *NodePtr, string NodeName){
 
 	string NodeNameSmallD = "d:" + NodeName;
diff --git a/source/objects/CalDAV/CalDAV.h b/source/objects/CalDAV/CalDAV.h
index 9a7b473..e95c03b 100644
--- a/source/objects/CalDAV/CalDAV.h
+++ b/source/objects/CalDAV/CalDAV.h
@@ -133,6 +133,7 @@ class CalDAV{
 		string ProcessXMLCalendarHome();
 		CalDAVCalendarList ProcessXMLCalendarList();
 		CalDAVEntryList ProcessXMLEntryList();
+		CalDAVEntryList ProcessXMLSyncTokenList();
 		string ProcessXMLEntryETag();
 		bool MatchXMLNameTransverse(xmlNodePtr *NodePtr, string NodeName);
 		bool MatchXMLName(xmlNodePtr *NodePtrOriginal, string NodeName);
-- 
2.39.2