From 4873e6df45424d2132dc9685f76bcbe2d9dd447e Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Thu, 17 May 2012 11:43:16 +0200
Subject: Make persistent store (XML).

---
 src/tasktree.cc | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 55 insertions(+), 3 deletions(-)

(limited to 'src/tasktree.cc')

diff --git a/src/tasktree.cc b/src/tasktree.cc
index fc84efa..2576600 100644
--- a/src/tasktree.cc
+++ b/src/tasktree.cc
@@ -27,10 +27,39 @@
  */
 #include "tasktree.h"
 
+#include "xmlparser.h"
+
 #include "debug.h"
 
+#include "xml_encode_decode.h"
+
 #define ROOT_PARENT_ID -1
 
+static inline std::string id2str(taskid_t id)
+{
+  char buf[32];
+  sprintf(buf, "%u", id);
+  return buf;
+}
+
+std::string node::toXML(std::string prefix)
+{
+  std::string xml;
+  
+  xml += prefix + "<task id=\""+id2str(id)+"\">\n";
+  xml += prefix + "  <title>" + xml_encode(data.title) + "</title>\n";
+  xml += prefix + "  <children>\n";
+  NodeList::iterator ni = children.begin();
+  while(ni != children.end()) {
+    xml += (*ni)->toXML(prefix + "    ");
+    ni++;
+  }
+  xml += prefix + "  </children>\n";
+  xml += prefix + "</task>\n";
+  
+  return xml;
+}
+
 static void concatTaskIdLists(TaskIdList& pre, TaskIdList& post) {
     pre.insert(pre.end(), post.begin(), post.end());
   //  for(TaskIdList::iterator it = post.begin();
@@ -187,7 +216,7 @@ task_t TaskTree::data(taskid_t id)
   try {
     node_t* node = id2node.at(id);
     task_t tmp = node->data;
-    t.id = tmp.id;
+    t.id = node->id;
     t.title = tmp.title;
 //    printf("!!!!t.id and tmp.id in data: %d and %d\n", t.id, tmp.id);
     if(node->parent) t.parentid = node->parent->id;
@@ -267,14 +296,18 @@ node_t* TaskTree::createNode(taskid_t id) {
 }
 
 void TaskTree::insertChild(node_t* parent, node_t* child) {
-  parent->children.push_back(child);
+  if(parent) parent->children.push_back(child);
+  else {
+    rootid = child->id;
+    root = child;
+  }
   child->parent = parent;
 }
 
 static void printNode(node_t* node, std::string prefix) {
   if(!node) return;
   task_t t = node->data;
-  printf("%s- %u - %s (%p)\n", prefix.c_str(), t.id, t.title.c_str(), node);
+  printf("%s- %u - %s (%p)\n", prefix.c_str(), node->id, t.title.c_str(), node);
   
   NodeList::iterator it;
   for(it = node->children.begin(); it != node->children.end(); it++) {
@@ -287,6 +320,25 @@ void TaskTree::toStdOut() {
   printNode(root, "");
 }
 
+std::string TaskTree::toXML()
+{
+  node_t *root = id2node.at(rootid);
+
+  std::string xml;
+  xml += "<?xml version='1.0' encoding='UTF-8'?>\n";
+  xml += "<tasktree>\n";
+  xml += root->toXML("  ");
+  xml += "</tasktree>";
+
+  return xml;
+}
+
+void TaskTree::fromXML(std::string xml)
+{
+  XmlParser p(this);
+  p.parse(xml.c_str(), xml.size());
+}
+
 
 #ifdef TEST_TASKTREE
 //Additional dependency files
-- 
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