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-rw-r--r--src/inc/arrayholder.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/inc/arrayholder.h b/src/inc/arrayholder.h
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index 0000000000..681014fc95
--- /dev/null
+++ b/src/inc/arrayholder.h
@@ -0,0 +1,80 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+template <class T>
+class ArrayHolder
+{
+public:
+ ArrayHolder(T *ptr)
+ : m_ptr(ptr)
+ {
+ }
+
+ ~ArrayHolder()
+ {
+ Clear();
+ }
+
+ ArrayHolder(const ArrayHolder &rhs)
+ {
+ m_ptr = const_cast<ArrayHolder *>(&rhs)->Detach();
+ }
+
+ ArrayHolder &operator=(T *ptr)
+ {
+ Clear();
+ m_ptr = ptr;
+ return *this;
+ }
+
+ const T &operator[](int i) const
+ {
+ return m_ptr[i];
+ }
+
+ T &operator[](int i)
+ {
+ return m_ptr[i];
+ }
+
+ operator const T *() const
+ {
+ return m_ptr;
+ }
+
+ operator T *()
+ {
+ return m_ptr;
+ }
+
+ T **operator&()
+ {
+ return &m_ptr;
+ }
+
+ T *GetPtr()
+ {
+ return m_ptr;
+ }
+
+ T *Detach()
+ {
+ T *ret = m_ptr;
+ m_ptr = NULL;
+ return ret;
+ }
+
+private:
+ void Clear()
+ {
+ if (m_ptr)
+ {
+ delete [] m_ptr;
+ m_ptr = NULL;
+ }
+ }
+
+private:
+ T *m_ptr;
+};