From 42ae98f6424d145cec1c931a2c7ecf6ddbadd938 Mon Sep 17 00:00:00 2001
From: Steve Brokenshire <sbrokenshire@xestia.co.uk>
Date: Thu, 3 Mar 2016 03:51:46 +0000
Subject: [PATCH] Added separate C++ file for processing XML data within the
 CalDAV object.

---
 .../objects/CalDAV/CalDAV-XMLProcessing.cpp   | 123 ++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 source/objects/CalDAV/CalDAV-XMLProcessing.cpp

diff --git a/source/objects/CalDAV/CalDAV-XMLProcessing.cpp b/source/objects/CalDAV/CalDAV-XMLProcessing.cpp
new file mode 100644
index 0000000..81d4674
--- /dev/null
+++ b/source/objects/CalDAV/CalDAV-XMLProcessing.cpp
@@ -0,0 +1,123 @@
+// CalDAV-XMLProcessing.cpp - CalDAV Connection Object - XML Processing.
+//
+// (c) 2016 Xestia Software Development.
+//
+// This file is part of Xestia Calendar.
+//
+// Xestia Address Book is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by the
+// Free Software Foundation, version 3 of the license.
+//
+// Xestia Address Book is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with Xestia Calendar. If not, see <http://www.gnu.org/licenses/>
+
+#include "CalDAV.h"
+
+using namespace std;
+ 
+string CalDAV::ProcessXMLUserPrincipal(){
+
+	string UserPrincipalURI;
+	
+	xmlDocPtr xmlCalDAVDoc;
+	xmlCalDAVDoc = xmlReadMemory(ServerData.c_str(), (int)ServerData.size(), "noname.xml", NULL, 0);
+
+	xmlNodePtr NodeSeek;
+	bool NodeFound = false;
+	
+	// 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")
+		){
+			
+			NodeFound = true;
+			break;
+			
+		}
+		
+	}
+	
+	// Look for response.
+
+	if (NodeFound == false){ return UserPrincipalURI; } else { NodeFound = false; }
+	NodeFound = MatchXMLName(&NodeSeek, "response");
+
+	// Look for propstat.
+	
+	if (NodeFound == false){ return UserPrincipalURI; } else { NodeFound = false; }
+	NodeFound = MatchXMLName(&NodeSeek, "propstat");
+
+	// Look for prop.
+	
+	if (NodeFound == false){ return UserPrincipalURI; } else { NodeFound = false; }
+	NodeFound = MatchXMLName(&NodeSeek, "prop");
+	
+	// Look for current-user-principal.
+	
+	if (NodeFound == false){ return UserPrincipalURI; } else { NodeFound = false; }
+	NodeFound = MatchXMLName(&NodeSeek, "current-user-principal");
+	
+	// Look for href.	
+	
+	if (NodeFound == false){ return UserPrincipalURI; } else { NodeFound = false; }
+	NodeFound = MatchXMLName(&NodeSeek, "href");
+
+	// Get the data from href.
+	
+	UserPrincipalURI = FetchXMLData(&NodeSeek);
+	
+	xmlFreeDoc(xmlCalDAVDoc);
+	
+	return UserPrincipalURI;
+	
+}
+
+bool CalDAV::MatchXMLName(xmlNodePtr *NodePtr, string NodeName){
+
+	string NodeNameSmallD = "d:" + NodeName;
+	string NodeNameLargeD = "D:" + NodeName;
+	
+	for ((*NodePtr) = (*NodePtr)->children;
+		(*NodePtr) != NULL;
+		(*NodePtr) = (*NodePtr)->next)
+	{
+	
+		if (!xmlStrcmp((*NodePtr)->name, (const xmlChar *)NodeName.c_str()) ||
+			!xmlStrcmp((*NodePtr)->name, (const xmlChar *)NodeNameSmallD.c_str()) ||
+			!xmlStrcmp((*NodePtr)->name, (const xmlChar *)NodeNameLargeD.c_str())
+		){
+			
+			return true;
+			
+		}
+		
+	}
+	
+	return false;
+	
+}
+
+string CalDAV::FetchXMLData(xmlNodePtr *NodePtr){
+
+	for ((*NodePtr) = (*NodePtr)->children;
+		(*NodePtr) != NULL;
+		(*NodePtr) = (*NodePtr)->next)
+	{
+								
+		return (const char*)(*NodePtr)->content;
+			
+	}
+	
+}
\ No newline at end of file
-- 
2.39.5