1 files changed, 145 insertions, 0 deletions
diff --git a/WebCore/platform/ArrayImpl.cpp b/WebCore/platform/ArrayImpl.cpp
new file mode 100644
index 0000000..330120f
--- /dev/null
+++ b/WebCore/platform/ArrayImpl.cpp
@@ -0,0 +1,145 @@
+/*
+ * 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. 
+ */
+
+#include "config.h"
+#include "ArrayImpl.h"
+
+#include <limits>
+#include <new>
+#include <stddef.h>
+#include <string.h>
+
+namespace WebCore {
+
+ArrayImpl::ArrayPrivate::ArrayPrivate(size_t pItemSize, size_t pNumItems) : 
+    numItems(pNumItems), 
+    itemSize(pItemSize), 
+    data(pNumItems > 0 ? static_cast<char *>(fastMalloc(itemSize * numItems)) : NULL)
+{
+}
+
+ArrayImpl::ArrayPrivate::~ArrayPrivate()
+{
+    fastFree(data);
+}
+
+
+ArrayImpl::ArrayImpl(size_t itemSize, size_t numItems) : 
+    d(new ArrayPrivate(itemSize, numItems))
+{
+}
+
+ArrayImpl::ArrayImpl(const ArrayImpl &a) : 
+    d(a.d)
+{
+}
+
+ArrayImpl::~ArrayImpl()
+{
+}
+
+ArrayImpl &ArrayImpl::operator=(const ArrayImpl &a)
+{
+    d = a.d;
+    return *this;
+}
+
+void *ArrayImpl::data() const
+{
+    return d->data;
+}
+
+bool ArrayImpl::resize(size_t newSize)
+{
+    if (newSize != d->numItems) {
+        char *newData;
+        
+        if (newSize != 0) {
+            size_t maxSize = std::numeric_limits<size_t>::max() / d->itemSize;
+            if (newSize > maxSize)
+                return false;
+            newData = static_cast<char *>(fastRealloc(d->data, newSize * d->itemSize));
+            if (!newData)
+                return false;
+        } else {
+            newData = 0;
+            fastFree(d->data);
+        }
+
+        d->data = newData;
+        d->numItems = newSize;
+    }
+
+    return true;
+}
+
+void ArrayImpl::duplicate(const void *data, size_t newSize)
+{
+    if (data == NULL) {
+        newSize = 0;
+    }
+
+    if (!d->hasOneRef())
+        d = new ArrayPrivate(d->itemSize, newSize);
+
+    if (d->numItems != newSize) {
+        resize(newSize);
+    }
+
+    memcpy(d->data, data, newSize * d->itemSize);
+}
+
+void ArrayImpl::detach()
+{
+    if (!d->hasOneRef())
+        duplicate(d->data, d->numItems);
+}
+
+bool ArrayImpl::fill(const void *item, int numItems)
+{
+    if (numItems == -1) {
+        numItems = d->numItems;
+    }
+
+    if ((unsigned)numItems != d->numItems) {
+        if (!resize(numItems)) {
+            return false;
+        }
+    }
+
+    for (int i = 0; i < numItems; i++) {
+        memcpy(&d->data[i * d->itemSize], item, d->itemSize);
+    }
+
+    return true;
+}
+
+bool ArrayImpl::operator==(const ArrayImpl &a) const
+{
+    return d->numItems == a.d->numItems && d->itemSize == a.d->itemSize
+        && (d->data == a.d->data || memcmp(d->data, a.d->data, d->itemSize*d->numItems) == 0);
+}
+
+}