data: NameHierarchy class

* replaced vector of strings as name hierarchy by a new NameHierarchy class.
* Adjusted code in ASTVisitor, Storage and various test cases.

src/lib/data/name/NameHierarchy.cpp

@@ -0,0 +1,48 @@
+#include "data/name/NameHierarchy.h"
+
+NameHierarchy::NameHierarchy()
+{
+}
+
+NameHierarchy::~NameHierarchy()
+{
+}
+
+void NameHierarchy::push(std::shared_ptr<NameElement> element)
+{
+	m_elements.push_back(element);
+}
+
+void NameHierarchy::pop()
+{
+	m_elements.pop_back();
+}
+
+std::shared_ptr<NameElement> NameHierarchy::back()
+{
+	return m_elements.back();
+}
+
+std::shared_ptr<NameElement> NameHierarchy::operator[](size_t pos) const
+{
+	return m_elements[pos];
+}
+
+size_t NameHierarchy::size() const
+{
+	return m_elements.size();
+}
+
+std::string NameHierarchy::getFullName() const
+{
+	std::string name;
+	for (int i = 0; i < m_elements.size(); i++)
+	{
+		name += m_elements[i]->getFullName();
+		if (i < m_elements.size() - 1)
+		{
+			name += "::";
+		}
+	}
+	return name;
+}