From 1f86c22c35d2de5e9c71d9627adc18f780347f30 Mon Sep 17 00:00:00 2001
From: Mateusz Kaduk <mateusz.kaduk@gmail.com>
Date: Sun, 19 Jun 2005 08:24:03 +0000
Subject: Saving buddy in xml file

---
 src/resources/buddylist.cpp | 51 ++++++++++++++++++++++++++++++++++++++++++++-
 src/resources/buddylist.h   |  9 ++++++++
 2 files changed, 59 insertions(+), 1 deletion(-)

diff --git a/src/resources/buddylist.cpp b/src/resources/buddylist.cpp
index 226551c7..c3098b67 100644
--- a/src/resources/buddylist.cpp
+++ b/src/resources/buddylist.cpp
@@ -26,14 +26,56 @@
 
 BuddyList::BuddyList()
 {
+    // Open buddy file
+    buddyXmlwriterFilename("buddy.xml");
+
+    // Load buddy from file
+    // TODO
 }
 
 BuddyList::~BuddyList()
 {
+    int rc;
+
+    /* Close last element. */
+    rc = xmlTextWriterEndElement(writer);
+    if (rc < 0) {
+         std::cerr << "buddyXmlwriterFilename: Error at xmlTextWriterEndElement" << std::endl;
+        return;
+    }
+
+    xmlFreeTextWriter(writer);
+}
+void BuddyList::buddyXmlwriterFilename(const char *uri)
+{
+    int rc;
+
+    // Create a new XmlWriter for uri, with no compression
+    writer = xmlNewTextWriterFilename(uri, 0);
+    if (writer == NULL) {
+         std::cerr << "buddyXmlwriterFilename: Error creating the xml writer" << std::endl;
+        return;
+    }
+
+    // Start with the xml default version and UTF-8 encoding
+    rc = xmlTextWriterStartDocument(writer, NULL, "UTF-8", NULL);
+    if (rc < 0) {
+         std::cerr << "buddyXmlwriterFilename: Error at xmlTextWriterStartDocument" << std::endl;
+        return;
+    }
+
+    // Start with the root named "LIST"
+    rc = xmlTextWriterStartElement(writer, BAD_CAST "LIST");
+    if (rc < 0) {
+             std::cerr << "buddyXmlwriterFilename: Error at xmlTextWriterStartElement" << std::endl;
+        return;
+    }
 }
 
 bool BuddyList::addBuddy(const std::string buddy)
 {
+    int rc;
+
     for (buddyit = buddylist.begin(); buddyit != buddylist.end(); buddyit++)
     {
         // Buddy already exist
@@ -43,6 +85,13 @@ bool BuddyList::addBuddy(const std::string buddy)
     // Buddy doesnt exist, add it
     buddylist.push_back(buddy);
 
+    // Store buddy as a child of "PEOPLE"
+    rc = xmlTextWriterWriteElement(writer, BAD_CAST "PEOPLE", (xmlChar *) buddy.c_str());
+    if (rc < 0) {
+        std::cerr << "buddyXmlwriterFilename: Error at xmlTextWriterWriteElement" << std::endl;
+        return false;
+    }
+
     return true;
 }
 
@@ -70,7 +119,7 @@ int  BuddyList::getNumberOfElements(void)
 
 std::string BuddyList::getElementAt(int number)
 {
-    if (number <= buddylist.size() - 1)
+    if (number <= (int) buddylist.size() - 1)
     {
         buddyit = buddylist.begin();
         std::advance(buddyit, number);
diff --git a/src/resources/buddylist.h b/src/resources/buddylist.h
index d0598747..0987bc30 100644
--- a/src/resources/buddylist.h
+++ b/src/resources/buddylist.h
@@ -27,6 +27,8 @@
 #include <guichan.hpp>
 #include <list>
 #include <string>
+#include <libxml/encoding.h>
+#include <libxml/xmlwriter.h>
 
 class BuddyList : public gcn::ListModel {
     public:
@@ -61,8 +63,15 @@ class BuddyList : public gcn::ListModel {
         std::string getElementAt(int number);
 
     private:
+
+	/**
+	 * Create a new XmlWriter for uri
+	 */
+	void buddyXmlwriterFilename(const char *uri);
+
         std::list<std::string> buddylist;               /**< Buddy list */
         std::list<std::string>::iterator buddyit;       /**< Iterator */
+	xmlTextWriterPtr writer;
 };
 
 #endif /* _TMW_BUDDYLIST_H */
-- 
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