diff -r 000000000000 -r 4f2f89ce4247 WebKit/chromium/public/WebVector.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/chromium/public/WebVector.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WebVector_h
+#define WebVector_h
+
+#include "WebCommon.h"
+
+#include <algorithm>
+
+namespace WebKit {
+
+// A simple vector class.
+//
+// Sample usage:
+//
+//   void Foo(WebVector<int>& result)
+//   {
+//       WebVector<int> data(10);
+//       for (size_t i = 0; i < data.size(); ++i)
+//           data[i] = ...
+//       result.swap(data);
+//   }
+//
+// It is also possible to assign from other types of random access
+// containers:
+//
+//   void Foo(const std::vector<std::string>& input)
+//   {
+//       WebVector<WebCString> cstrings = input;
+//       ...
+//   }
+//
+template <typename T>
+class WebVector {
+public:
+    typedef T ValueType;
+
+    ~WebVector()
+    {
+        destroy();
+    }
+
+    explicit WebVector(size_t size = 0)
+    {
+        initialize(size);
+    }
+
+    WebVector(const WebVector<T>& other)
+    {
+        initializeFrom(other.m_ptr, other.m_size);
+    }
+
+    template <typename C>
+    WebVector(const C& other)
+    {
+        initializeFrom(other.size() ? &other[0] : 0, other.size());
+    }
+
+    WebVector& operator=(const WebVector& other)
+    {
+        if (this != &other)
+            assign(other);
+        return *this;
+    }
+
+    template <typename C>
+    WebVector<T>& operator=(const C& other)
+    {
+        if (this != reinterpret_cast<const WebVector<T>*>(&other))
+            assign(other);
+        return *this;
+    }
+
+    template <typename C>
+    void assign(const C& other)
+    {
+        assign(other.size() ? &other[0] : 0, other.size());
+    }
+
+    template <typename U>
+    void assign(const U* values, size_t size)
+    {
+        destroy();
+        initializeFrom(values, size);
+    }
+
+    size_t size() const { return m_size; }
+    bool isEmpty() const { return !m_size; }
+
+    T& operator[](size_t i) { return m_ptr[i]; }
+    const T& operator[](size_t i) const { return m_ptr[i]; }
+
+    T* data() { return m_ptr; }
+    const T* data() const { return m_ptr; }
+
+    void swap(WebVector<T>& other)
+    {
+        std::swap(m_ptr, other.m_ptr);
+        std::swap(m_size, other.m_size);
+    }
+
+private:
+    void initialize(size_t size)
+    {
+        m_size = size;
+        if (!m_size)
+            m_ptr = 0;
+        else {
+            m_ptr = static_cast<T*>(::operator new(sizeof(T) * m_size));
+            for (size_t i = 0; i < m_size; ++i)
+                new (&m_ptr[i]) T();
+        }
+    }
+
+    template <typename U>
+    void initializeFrom(const U* values, size_t size)
+    {
+        m_size = size;
+        if (!m_size)
+            m_ptr = 0;
+        else {
+            m_ptr = static_cast<T*>(::operator new(sizeof(T) * m_size));
+            for (size_t i = 0; i < m_size; ++i)
+                new (&m_ptr[i]) T(values[i]);
+        }
+    }
+
+    void destroy()
+    {
+        for (size_t i = 0; i < m_size; ++i)
+            m_ptr[i].~T();
+        ::operator delete(m_ptr);
+    }
+
+    T* m_ptr;
+    size_t m_size;
+};
+
+}  // namespace WebKit
+
+#endif