diff --git a/src/editor/EditorNode.cpp b/src/editor/EditorNode.cpp
index 569dabc..94848e5 100644
--- a/src/editor/EditorNode.cpp
+++ b/src/editor/EditorNode.cpp
@@ -20,9 +20,10 @@ EditorNode::~EditorNode()
 const std::shared_ptr<EditorNode> EditorNode::nextSibling()
 {
     if (parent != nullptr) {
-        int i = parent->getChildren().indexOf(std::shared_ptr<EditorNode>(this));
-        if (i + 1 < parent->getChildren().size())
-            return parent->getChildren().at(i + 1); //next sibling...
+        auto l = parent->getChildren();
+        auto it = std::find(l.begin(), l.end(), std::shared_ptr<EditorNode>(this));
+        if (it != l.end() && ++it != l.end())
+            return *(++it); //next sibling...
         else
             return nullptr;
     }
@@ -41,7 +42,8 @@ const std::shared_ptr<EditorNode> EditorNode::next(TreeWalkStrategy walkStrategy
             {
                 for (auto n : parent->getChildren())
                     if (n->getChildren().size() > 0)
-                        return n->getChildren().first();
+                        return n->getChildren().front();
+                        //return n->getChildren().first();
                 auto siblingOfParent = parent->nextSibling();
                 while (siblingOfParent != nullptr && siblingOfParent->getChildren().size() == 0) {
                     if (siblingOfParent->nextSibling() == nullptr)
@@ -50,19 +52,22 @@ const std::shared_ptr<EditorNode> EditorNode::next(TreeWalkStrategy walkStrategy
                         siblingOfParent = siblingOfParent->nextSibling();
                 }
                 if (siblingOfParent != nullptr)
-                    return siblingOfParent->getChildren().first();
+                    return siblingOfParent->getChildren().front();
+                    //return siblingOfParent->getChildren().first();
                 else
                     return nullptr;
             }
         } else {
             if (getChildren().size() > 0)
-                return getChildren().first();
+                return getChildren().front();
+                //return getChildren().first();
             else
                 return nullptr;
         }
     else if (walkStrategy == TreeWalkStrategy::depthFirst)
         if (getChildren().size() > 0)
-            return getChildren().first();
+            return getChildren().front();
+            //return getChildren().first();
         else {
             auto node = std::shared_ptr<EditorNode>(this);
             while (node->nextSibling() == nullptr && node->getParent() != nullptr)
@@ -75,7 +80,8 @@ const std::shared_ptr<EditorNode> EditorNode::next(TreeWalkStrategy walkStrategy
             if (nextOnLvl == nullptr){
                 for (auto n : this->getChildren())
                     if (n->getChildren().size() > 0)
-                        return n->getChildren().first();
+                        return n->getChildren().front();
+                        //return n->getChildren().first();
             }
             else return nextOnLvl;
         }
@@ -92,8 +98,10 @@ const std::shared_ptr<EditorNode> EditorNode::getRoot()
 
 void EditorNode::move(std::shared_ptr<EditorNode> to)
 {
-    this->getParent()->getChildren().removeOne(std::shared_ptr<EditorNode>(this));
-    to->getChildren().append(std::shared_ptr<EditorNode>(this));
+    this->getParent()->getChildren().remove(std::shared_ptr<EditorNode>(this));
+    //this->getParent()->getChildren().removeOne(std::shared_ptr<EditorNode>(this));
+    to->getChildren().push_back(std::shared_ptr<EditorNode>(this));
+    //to->getChildren().append(std::shared_ptr<EditorNode>(this));
     fireTreeChanged();
 }
 
@@ -106,14 +114,16 @@ void EditorNode::moveChildren(std::shared_ptr<EditorNode> to)
 
 void EditorNode::addChild(std::shared_ptr<EditorNode> child)
 {
-    this->getChildren().append(child);
+    this->getChildren().push_back(child);
+    //this->getChildren().append(child);
     child->setParent(std::shared_ptr<EditorNode>(this));
     fireTreeChanged();
 }
 
 bool EditorNode::removeChild(std::shared_ptr<EditorNode> child)
 {
-    bool ret = this->getChildren().removeOne(child);
+    this->getChildren().remove(child);
+    bool ret = true; //this->getChildren().removeOne(child);
     if (ret) fireTreeChanged();
     return ret;
 }
@@ -127,7 +137,8 @@ bool EditorNode::remove()
         }
     }
     if (worked && parent != nullptr) {
-        worked &= parent->getChildren().removeOne(std::shared_ptr<EditorNode>(this));
+        parent->getChildren().remove(std::shared_ptr<EditorNode>(this));
+        //worked &= parent->getChildren().removeOne(std::shared_ptr<EditorNode>(this));
     }
     if (worked) fireTreeChanged();
     return worked;
@@ -165,7 +176,7 @@ void EditorNode::setValue(const std::shared_ptr<EditorElementValue> &value)
     this->value = value;
 }
 
-QList<std::shared_ptr<EditorNode> > EditorNode::getChildren() const
+std::list<std::shared_ptr<EditorNode> > EditorNode::getChildren() const
 {
     return children;
 }
@@ -191,7 +202,8 @@ std::shared_ptr<EditorNode> EditorNode::nextOnSameLevel()
     auto pnode = std::shared_ptr<EditorNode>(this);
     while (lvl > 0 && node != nullptr) {
         if (node != pnode->getParent() && node->getChildren().size() > 0) {
-            node = node->getChildren().first();
+            node = node->getChildren().front();
+            //node = node->getChildren().first();
             --lvl;
         } else {
             pnode = node;
diff --git a/src/editor/EditorNode.h b/src/editor/EditorNode.h
index 909c0d7..55aa754 100644
--- a/src/editor/EditorNode.h
+++ b/src/editor/EditorNode.h
@@ -2,8 +2,8 @@
 #define EDITORNODE_H
 
 #include <memory>
-#include <QList>
 #include <functional>
+#include <list>
 
 #include "editorelementdata.h"
 #include "EditorElementValue.h"
@@ -43,7 +43,7 @@ public:
     std::shared_ptr<EditorElementValue> getValue() const;
     void setValue(const std::shared_ptr<EditorElementValue> &value);
 
-    QList<std::shared_ptr<EditorNode> > getChildren() const;
+    std::list<std::shared_ptr<EditorNode> > getChildren() const;
 
     void setDataChangedSignal(std::function<void(std::shared_ptr<EditorNode>)> f)
     {
@@ -68,7 +68,7 @@ private:
     std::shared_ptr<EditorNode> parent;
     std::shared_ptr<EditorElementData> data;
     std::shared_ptr<EditorElementValue> value;
-    QList<std::shared_ptr<EditorNode>> children;
+    std::list<std::shared_ptr<EditorNode>> children;
 };
 
 #endif // EDITORNODE_H
diff --git a/src/editor/editorelementdata.h b/src/editor/editorelementdata.h
index 5189dd1..749ee0e 100644
--- a/src/editor/editorelementdata.h
+++ b/src/editor/editorelementdata.h
@@ -3,6 +3,8 @@
 #include <QString>
 #include <QMap>
 #include <QList>
+#include <list>
+#include <string>
 
 enum class ValueType {
     BIN,OCT,DEC,HEX,TXT
@@ -19,12 +21,24 @@ public:
 
     QString getTitle() const;
     void setTitle(const QString &value);
+    void setTitle(const std::string &value) {
+        this->setTitle(QString::fromStdString(value));
+    }
 
     QString getId() const;
     void setId(const QString &value);
+    void setId(const std::string &value){
+        this->setId(QString::fromStdString(value));
+    }
 
     QList<QString> getSyntaxes() const;
     void setSyntaxes(const QList<QString> &value);
+    void setSyntaxes(const std::list<std::string> &value) {
+        QList<QString> newlist;
+        for(std::string str : value)
+            newlist.append(QString::fromStdString(str));
+        this->setSyntaxes(newlist);
+    }
 
     bool isMultiLine() const;
     void setIsMultiLine(bool value);
@@ -34,9 +48,15 @@ public:
 
     QString getRegex() const;
     void setRegex(const QString &value);
+    void setRegex(const std::string &value){
+        this->setRegex(QString::fromStdString(value));
+    }
 
     QMap<QString, QString> getHints() const;
     void setHint(const QString &key, const QString &value);
+    void setHint(const std::string &key, const std::string &value){
+        this->setHint(QString::fromStdString(key), QString::fromStdString(value));
+    }
 
     ulong getBytes() const;
     void setBytes(const ulong &value);
diff --git a/src/protocol/DataLoader.cpp b/src/protocol/DataLoader.cpp
index 6a4194a..f4a146a 100644
--- a/src/protocol/DataLoader.cpp
+++ b/src/protocol/DataLoader.cpp
@@ -1,37 +1,47 @@
 #include "DataLoader.h"
 
-#include <QDir>
+#include <boost/filesystem.hpp>
+#include <string>
 
 DataLoader::DataLoader()
 {
 
 }
 
-DataLoader::DataLoader(QString directory)
+DataLoader::DataLoader(std::string directory) : DataLoader()
 {
-
+    this->loadProtocolDirectory(directory);
 }
 
-void DataLoader::loadProtocolDirectory(QString directory)
+void DataLoader::loadProtocolDirectory(std::__cxx11::string directory)
 {
+    using namespace boost::filesystem;
     // awaiting
-    QDir dir(directory);
-    QStringList filters;
-    filters  << "*osi*";
-    for(QString entry : dir.entryList(filters)){
-        if(QDir(entry).exists()) {
-            QDir cdir(entry);
-            QStringList ymlfilter;
-            ymlfilter << "*.yml";
-            for(QString file : cdir.entryList(ymlfilter)){
-                YAML::Node node = YAML::LoadFile(
-                            QString(directory + QDir::separator() + entry + QDir::separator() + file).toStdString());
-                protocolList.append(node);
+    path p(directory);
+    if (exists(p)) {
+        // load all files in osi* directories
+        for(directory_entry& d : directory_iterator(p))
+        {
+            if(is_directory(d) && d.path().filename().string().find("osi") != std::string::npos)
+            {
+                path osi = d.path();
+                for(directory_entry& od: directory_iterator(p))
+                {
+                    if(od.path().extension().string().compare(std::string(".yml")) == 0 ) {
+                        this->loadSingleProtocol(od.path().string());
+                    }
+                }
             }
         }
     }
 }
 
+void DataLoader::loadSingleProtocol(std::__cxx11::string filename)
+{
+    YAML::Node node = YAML::LoadFile(filename);
+    protocolList.push_back(node);
+}
+
 std::shared_ptr<EditorNode> DataLoader::generateTree(YAML::Node &node)
 {
     if(!node["protocol"])
@@ -41,9 +51,9 @@ std::shared_ptr<EditorNode> DataLoader::generateTree(YAML::Node &node)
     std::shared_ptr<EditorNode> editorNode = std::shared_ptr<EditorNode>(new EditorNode());
     std::shared_ptr<EditorElementData> data = std::shared_ptr<EditorElementData>(new EditorElementData());
 
-    data->setTitle(QString::fromStdString(node["protocol"]["name"].as<std::string>()));
+    data->setTitle(node["protocol"]["name"].as<std::string>());
     if(node["protocol"]["longname"])
-        data->setHint("subtitle", QString::fromStdString(node["protocol"]["longname"].as<std::string>()));
+        data->setHint("subtitle", node["protocol"]["longname"].as<std::string>());
     editorNode->setData(data);
     // add children containing the fields
     auto fields = node["protocol"]["fields"];
@@ -53,11 +63,11 @@ std::shared_ptr<EditorNode> DataLoader::generateTree(YAML::Node &node)
     return editorNode;
 }
 
-bool DataLoader::getProtocolByName(QString name, YAML::Node &node)
+bool DataLoader::getProtocolByName(std::string name, YAML::Node &node)
 {
     for(YAML::Node n : protocolList) {
         if(n["protocol"]) {
-            if(name.toStdString().compare(n["protocol"]["name"].as<std::string>())) {
+            if(name.compare(n["protocol"]["name"].as<std::string>()) == 0) {
                 node = n;
                 return true;
             }
@@ -66,12 +76,12 @@ bool DataLoader::getProtocolByName(QString name, YAML::Node &node)
     return false;
 }
 
-QStringList DataLoader::getProtocolNames()
+std::list<std::string> DataLoader::getProtocolNames()
 {
-    QStringList names;
+    std::list<std::string> names;
     for(YAML::Node node : protocolList) {
         if(node["protocol"]) {
-            names << QString::fromStdString(node["protocol"]["name"].as<std::string>());
+            names.push_back(node["protocol"]["name"].as<std::string>());
         }
     }
     return names;
@@ -83,9 +93,9 @@ std::shared_ptr<EditorNode> DataLoader::genNode(YAML::Node &n, std::shared_ptr<E
     std::shared_ptr<EditorNode> newNode = std::shared_ptr<EditorNode>(new EditorNode());
     newNode->setParent(parent);
     std::shared_ptr<EditorElementData> newData = std::shared_ptr<EditorElementData>(new EditorElementData());
-    newData->setTitle(QString::fromStdString(n["field"].as<std::string>()));
+    newData->setTitle(n["field"].as<std::string>());
     if(n["desc"])
-        newData->setHint("desc", QString::fromStdString(n["desc"].as<std::string>()));
+        newData->setHint("desc",n["desc"].as<std::string>());
     if(n["bytes"])
         newData->setBytes(n["bytes"].as<ulong>());
     else if (n["bits"])
diff --git a/src/protocol/DataLoader.h b/src/protocol/DataLoader.h
index a236aad..cd1029c 100644
--- a/src/protocol/DataLoader.h
+++ b/src/protocol/DataLoader.h
@@ -3,8 +3,8 @@
 
 #include <yaml-cpp/yaml.h>
 
-#include <QString>
-#include <QList>
+#include <string>
+#include <list>
 
 #include "../editor/EditorNode.h"
 
@@ -12,19 +12,21 @@
 class DataLoader {
 public:
     explicit DataLoader();
-    explicit DataLoader(QString directory);
+    explicit DataLoader(std::string directory);
 
-    void loadProtocolDirectory(QString directory);
+    void loadProtocolDirectory(std::string directory);
+
+    void loadSingleProtocol(std::string filename);
 
     std::shared_ptr<EditorNode> generateTree(YAML::Node &node);
 
-    bool getProtocolByName(QString name, YAML::Node &node);
-    QStringList getProtocolNames();
+    bool getProtocolByName(std::string name, YAML::Node &node);
+    std::list<std::string> getProtocolNames();
 
 private:
     std::shared_ptr<EditorNode> genNode(YAML::Node& n, std::shared_ptr<EditorNode> parent = nullptr);
-    QString directory;
-    QList<YAML::Node> protocolList;
+    std::string directory;
+    std::list<YAML::Node> protocolList;
 };