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authoraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
committeraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
commit8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76 (patch)
treea17e1a767a89542ab59907462206d7dcf2e504b2 /src/3rdparty/webkit/JavaScriptCore/runtime/ByteArray.h
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Long live Qt for S60!
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+/*
+ * Copyright (C) 2009 Apple 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 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 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 ByteArray_h
+#define ByteArray_h
+
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
+
+namespace JSC {
+ class ByteArray : public RefCounted<ByteArray> {
+ public:
+ unsigned length() const { return m_size; }
+
+ void set(unsigned index, double value)
+ {
+ if (index >= m_size)
+ return;
+ if (!(value > 0)) // Clamp NaN to 0
+ value = 0;
+ else if (value > 255)
+ value = 255;
+ m_data[index] = static_cast<unsigned char>(value + 0.5);
+ }
+
+ bool get(unsigned index, unsigned char& result) const
+ {
+ if (index >= m_size)
+ return false;
+ result = m_data[index];
+ return true;
+ }
+
+ unsigned char* data() { return m_data; }
+
+ static PassRefPtr<ByteArray> create(size_t size);
+
+ private:
+ ByteArray(size_t size)
+ : m_size(size)
+ {
+ }
+ size_t m_size;
+ unsigned char m_data[sizeof(size_t)];
+ };
+}
+
+#endif