webengine/osswebengine/WebCore/platform/ArrayImpl.h
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/ArrayImpl.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2004 Apple Computer, 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 ArrayImpl_h
+#define ArrayImpl_h
+
+#include <wtf/RefPtr.h>
+#include "Shared.h"
+
+namespace WebCore {
+
+class ArrayImpl
+{
+ public:
+    ArrayImpl(size_t itemSize, size_t numItems = 0);
+    ~ArrayImpl();
+    
+    ArrayImpl(const ArrayImpl &);
+    ArrayImpl &operator=(const ArrayImpl &);
+    
+    void *at(size_t pos) const { return &d->data[pos * d->itemSize]; }
+
+    void *data() const;
+    unsigned size() const;
+    bool resize(size_t size);
+    void duplicate(const void *data, size_t size);
+    bool fill(const void *item, int size = -1);
+    void detach();
+    
+    bool operator==(const ArrayImpl &) const;
+
+ private:
+    class ArrayPrivate : public Shared<ArrayPrivate>
+    {
+    public:
+        ArrayPrivate(size_t pNumItems, size_t pItemSize);
+        ~ArrayPrivate();
+
+        size_t numItems;
+        size_t itemSize;
+        char *data;
+    };
+
+    RefPtr<ArrayPrivate> d;
+};
+
+inline unsigned ArrayImpl::size() const
+{
+    return d->numItems;
+}
+
+}
+
+#endif