From 7d5f055547e70fa93ee9ac944e62f8d657b9dc55 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Fri, 19 Oct 2018 08:36:44 +0800
Subject: =?UTF-8?q?*=E4=BF=AE=E6=94=B9=E6=96=87=E4=BB=B6=E5=90=8D?=
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---
 src/libjin/Common/je_array.hpp | 86 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 src/libjin/Common/je_array.hpp

(limited to 'src/libjin/Common/je_array.hpp')

diff --git a/src/libjin/Common/je_array.hpp b/src/libjin/Common/je_array.hpp
new file mode 100644
index 0000000..eadd36f
--- /dev/null
+++ b/src/libjin/Common/je_array.hpp
@@ -0,0 +1,86 @@
+#ifndef __LIBJIN_COMMON_ARRAY_H
+#define __LIBJIN_COMMON_ARRAY_H
+
+namespace jin
+{
+    /* 自动释放堆内存的在栈上创建的动态数组 */
+    template<typename T>
+    class Array
+    {
+    public:
+        Array() : length(0), data(nullptr) {}
+
+        Array(int l)
+        {
+            length = l;
+            data = new T[l];
+        }
+
+        ~Array()
+        {
+            delete[] data;
+            length = 0;
+        }
+
+        T* operator &()
+        {
+            return data;
+        }
+
+        T& operator[](int index)
+        {
+            return data[index];
+        }
+
+        /* 绑定内存 */
+        void bind(T* d, int len)
+        {
+            if (data != nullptr)
+                delete data; 
+            data = d; 
+            length = len;
+        }
+
+        void add(T v)
+        {
+            int len = length + 1;
+            T* d = new T[len];
+            memcpy(d, data, size());
+            d[length] = v;
+            bind(d, len);
+        }
+ 
+        int size()
+        {
+            return sizeof(T) * length;
+        }
+
+        int count()
+        {
+            return length;
+        }
+
+    private:
+        /// 
+        /// http://blog.jobbole.com/106923/
+        /// new 堆内存创建对象过程
+        /// 1. 调用 new 分配内存
+        /// 2. 调用构造函数
+        /// 
+        /// new, delete方法用于分配和释放内存，不负责构造和析构
+        /// 
+        void* operator new(size_t t);
+
+        /// 
+        /// Disable delete.
+        /// 
+        void operator delete(void* ptr);
+
+        T * data;
+        unsigned int length;
+
+    };
+
+} // namespace jin
+
+#endif
\ No newline at end of file
-- 
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