diff --git a/xmlparser.cpp b/xmlparser.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..717b1b207844f78c2f0703c4b776cbb6d467650d
--- /dev/null
+++ b/xmlparser.cpp
@@ -0,0 +1,45 @@
+#include "xmlparser.h"
+#include "ui_mainwindow.h"
+
+bool XMLParser::startElement(const QString&,
+                  const QString&,
+                  const QString& tagName,
+                  const QXmlAttributes&
+                 )
+{
+    if(tagName == "catalog")
+        treeItem = new QTreeWidgetItem(treeWidget);
+
+    else
+        treeItem = new QTreeWidgetItem(treeItem);
+    return true;
+}
+
+// ------------------------------------------------------------------
+bool XMLParser::characters(const QString& strText)
+{
+    m_strText = ": " + strText;
+    return true;
+}
+
+// ------------------------------------------------------------------
+bool XMLParser::endElement(const QString&, const QString&, const QString& str)
+{
+    treeItem->setText(0, str + m_strText);
+    if(treeItem->parent() && treeItem->parent()->text(0) == "")
+        treeItem = treeItem->parent();
+    m_strText = "";
+    if(str == "catalog")
+        treeItem->setText(0, title);
+
+return true;
+}
+
+// ------------------------------------------------------------------
+bool XMLParser::fatalError(const QXmlParseException& exception)
+{
+    QString str = "Line: " + QString::number(exception.lineNumber()) + ", Column: " + QString::number(exception.columnNumber()) + ", Message: " + exception.message();
+    QMessageBox::warning(nullptr, "Ошибка", str);
+
+    return false;
+}