add class SVector like C sharp List

Common/cppcf/svector.cpp

@@ -0,0 +1,53 @@
+#include "svector.h"
+
+template<class T>
+SVector<T>::SVector(size_t reserve, T initValue) : array(reserve, initValue)
+{
+    init();
+}
+
+template<class T>
+SVector<T>::SVector(bool needInit)
+{
+    isInit = needInit;
+}
+
+template<class T>
+SVector<T>::SVector(size_t reserve) : array(reserve)
+{
+    init();
+}
+
+template<class T>
+std::shared_ptr<T> SVector<T>::operator[](size_t pos) const
+{
+    if (!isInit || array.size() <= pos)
+        return {};
+
+    return array[pos];
+}
+
+template<class T>
+void SVector<T>::push_back(T &&value)
+{
+    isInit = true;
+    array.push_back(std::shared_ptr<T>(value));
+}
+
+template<class T>
+std::shared_ptr<T> SVector<T>::back() const
+{
+    if (!isInit || array.empty())
+        return {};
+
+    return array.back();
+}
+
+template<class T>
+std::shared_ptr<T> SVector<T>::front() const
+{
+    if (!isInit || array.empty())
+        return {};
+
+    return array.front();
+}