Add a dumb_ptr template for transition purposes

1 files changed, 127 insertions, 0 deletions

diff --git a/src/common/dumb_ptr.hpp b/src/common/dumb_ptr.hpp
new file mode 100644
index 0000000..d0b35f2
--- /dev/null
+++ b/src/common/dumb_ptr.hpp
@@ -0,0 +1,127 @@
+#ifndef TMWA_COMMON_DUMB_PTR_HPP
+#define TMWA_COMMON_DUMB_PTR_HPP
+//    ptr.hpp - temporary new/delete wrappers
+//
+//    Copyright © 2013 Ben Longbons <b.r.longbons@gmail.com>
+//
+//    This file is part of The Mana World (Athena server)
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "sanity.hpp"
+
+// unmanaged new/delete-able pointer
+// should be replaced by std::unique_ptr<T>
+template<class T>
+class dumb_ptr
+{
+    T *impl;
+public:
+    explicit
+    dumb_ptr(T *p=nullptr)
+    : impl(p)
+    {}
+
+    void delete_()
+    {
+        delete impl;
+        forget();
+    }
+    template<class... A>
+    void new_(A&&... a)
+    {
+        impl = new T(std::forward<A>(a)...);
+    }
+    template<class... A>
+    static
+    dumb_ptr<T> make(A&&... a)
+    {
+        return dumb_ptr<T>(new T(std::forward<A>(a)...));
+    }
+    void forget()
+    {
+        impl = nullptr;
+    }
+
+    T& operator *() const
+    {
+        return *impl;
+    }
+    T *operator->() const
+    {
+        return impl;
+    }
+
+    explicit
+    operator bool()
+    {
+        return impl;
+    }
+    bool operator !()
+    {
+        return !impl;
+    }
+};
+
+// unmanaged new/delete-able pointer
+// should be replaced by std::unique_ptr<T[]> or std::vector<T>
+template<class T>
+class dumb_ptr<T[]>
+{
+    T *impl;
+    size_t sz;
+public:
+    dumb_ptr() : impl(), sz() {}
+    dumb_ptr(T *p, size_t z)
+    : impl(p)
+    , sz(z)
+    {}
+
+    void delete_()
+    {
+        delete[] impl;
+        forget();
+    }
+    void new_(size_t z)
+    {
+        impl = new T[z];
+    }
+    static
+    dumb_ptr<T[]> make(size_t z)
+    {
+        return dumb_ptr<T[]>(new T[z], z);
+    }
+    void forget()
+    {
+        impl = nullptr;
+        sz = 0;
+    }
+
+    T& operator[](size_t i) const
+    {
+        return impl[i];
+    }
+
+    explicit
+    operator bool()
+    {
+        return impl;
+    }
+    bool operator !()
+    {
+        return !impl;
+    }
+};
+
+#endif // TMWA_COMMON_DUMB_PTR_HPP