add: graphs et rushs

1 files changed, 144 insertions, 0 deletions

diff --git a/graphs/cpp/smtptr/shared_pointer.hxx b/graphs/cpp/smtptr/shared_pointer.hxx
new file mode 100644
index 0000000..fbc0792
--- /dev/null
+++ b/graphs/cpp/smtptr/shared_pointer.hxx
@@ -0,0 +1,144 @@
+#pragma once
+#include "shared_pointer.hh"
+template <typename T>
+SharedPointer<T>::SharedPointer(element_type* p)
+{
+    if (p == nullptr)
+    {
+        data_ = nullptr;
+        count_ = nullptr;
+    }
+    else
+    {
+        data_ = p;
+        count_ = new long{ 1 };
+    }
+}
+template <typename T>
+SharedPointer<T>::~SharedPointer()
+{
+    if (count_ != nullptr)
+    {
+        (*count_)--;
+        if (*count_ == 0)
+        {
+            delete count_;
+            if (data_ != nullptr)
+                delete data_;
+        }
+    }
+}
+template <typename T>
+SharedPointer<T>::SharedPointer(const SharedPointer<element_type>& other)
+{
+    this->~SharedPointer();
+    data_ = other.data_;
+    if (data_ == nullptr)
+        count_ = nullptr;
+    count_ = other.count_;
+    if (count_ != nullptr)
+        (*count_)++;
+}
+template <typename T>
+void SharedPointer<T>::reset(element_type* p)
+{
+    if (data_ == p)
+        return;
+    this->~SharedPointer();
+    data_ = p;
+    if (p == nullptr)
+        count_ = nullptr;
+    else
+        count_ = new long{ 1 };
+}
+template <typename T>
+SharedPointer<T>& SharedPointer<T>::operator=(const SharedPointer<T>& other)
+{
+    this->~SharedPointer();
+
+    data_ = other.data_;
+    count_ = other.count_;
+    if (nullptr != other.data_)
+    {
+        (*this->count_)++;
+    }
+    return *this;
+}
+template <typename T>
+T& SharedPointer<T>::operator*() const
+{
+    return *data_;
+}
+
+template <typename T>
+T* SharedPointer<T>::operator->() const
+{
+    return data_;
+}
+template <typename T>
+T* SharedPointer<T>::get() const
+{
+    return data_;
+}
+template <typename T>
+long SharedPointer<T>::use_count() const
+{
+    if (count_ == nullptr)
+        return 0;
+    return *count_;
+}
+template <typename T>
+template <typename U>
+bool SharedPointer<T>::operator==(const SharedPointer<U>& rhs) const
+{
+    if (rhs.data_ == this->data_)
+        return true;
+    return false;
+}
+template <typename T>
+template <typename U>
+bool SharedPointer<T>::operator!=(const SharedPointer<U>& rhs) const
+{
+    return !(*this == rhs);
+}
+template <typename T>
+bool SharedPointer<T>::operator==(const T* p) const
+{
+    return this->data_ == p;
+}
+template <typename T>
+bool SharedPointer<T>::operator!=(const T* p) const
+{
+    return this->data_ != p;
+}
+template <typename T>
+SharedPointer<T>& SharedPointer<T>::operator=(SharedPointer<T>&& other) noexcept
+{
+    this->~SharedPointer();
+    data_ = other.data_;
+    count_ = other.count_;
+    other.data_ = nullptr;
+    other.count_ = nullptr;
+    return *this;
+}
+template <typename T>
+SharedPointer<T>::SharedPointer(SharedPointer&& other)
+{
+    this->~SharedPointer();
+    data_ = other.data_;
+    count_ = other.count_;
+
+    other.data_ = nullptr;
+    other.count_ = nullptr;
+}
+template <typename T>
+SharedPointer<T>::operator bool() const
+{
+    return data_ != nullptr;
+}
+template <typename T>
+template <typename U>
+bool SharedPointer<T>::is_a() const
+{
+    return dynamic_cast<U*>(data_);
+}
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