Merge WebKit at r75993: Initial merge by git.

Change-Id: I602bbdc3974787a3b0450456a30a7868286921c3

1 files changed, 127 insertions, 0 deletions

diff --git a/Source/WebKit2/Platform/CoreIPC/ArgumentEncoder.h b/Source/WebKit2/Platform/CoreIPC/ArgumentEncoder.h
new file mode 100644
index 0000000..97f0262
--- /dev/null
+++ b/Source/WebKit2/Platform/CoreIPC/ArgumentEncoder.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2010 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. AND ITS 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 APPLE INC. OR ITS 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 ArgumentEncoder_h
+#define ArgumentEncoder_h
+
+#include "ArgumentCoder.h"
+#include "Attachment.h"
+#include <wtf/PassOwnPtr.h>
+#include <wtf/TypeTraits.h>
+#include <wtf/Vector.h>
+
+namespace CoreIPC {
+
+class ArgumentEncoder;
+
+class ArgumentEncoder {
+public:
+    static PassOwnPtr<ArgumentEncoder> create(uint64_t destinationID);
+    ~ArgumentEncoder();
+
+    void encodeBytes(const uint8_t*, size_t);
+
+    void encodeBool(bool);
+    void encodeUInt32(uint32_t);
+    void encodeUInt64(uint64_t);
+    void encodeInt32(int32_t);
+    void encodeInt64(int64_t);
+    void encodeFloat(float);
+    void encodeDouble(double);
+
+    template<typename T> void encodeEnum(T t)
+    {
+        COMPILE_ASSERT(sizeof(T) <= sizeof(uint64_t), enum_type_must_not_be_larger_than_64_bits);
+
+        encodeUInt64(static_cast<uint64_t>(t));
+    }
+    
+    // Generic type encode function.
+    template<typename T> void encode(const T& t)
+    {
+        ArgumentCoder<T>::encode(this, t);
+    }
+
+    uint8_t* buffer() const { return m_buffer; }
+    size_t bufferSize() const { return m_bufferSize; }
+
+    void addAttachment(const Attachment&);
+    Vector<Attachment> releaseAttachments();
+
+#ifndef NDEBUG
+    void debug();
+#endif
+
+private:
+    explicit ArgumentEncoder(uint64_t destinationID);
+    uint8_t* grow(unsigned alignment, size_t size);
+    
+    uint8_t* m_buffer;
+    uint8_t* m_bufferPointer;
+    
+    size_t m_bufferSize;
+    size_t m_bufferCapacity;
+
+    Vector<Attachment> m_attachments;
+};
+
+template<> inline void ArgumentEncoder::encode(const bool& n)
+{
+    encodeBool(n);
+}
+
+template<> inline void ArgumentEncoder::encode(const uint32_t& n)
+{
+    encodeUInt32(n);
+}
+
+template<> inline void ArgumentEncoder::encode(const uint64_t& n)
+{
+    encodeUInt64(n);
+}
+
+template<> inline void ArgumentEncoder::encode(const int32_t& n)
+{
+    encodeInt32(n);
+}
+
+template<> inline void ArgumentEncoder::encode(const int64_t& n)
+{
+    encodeInt64(n);
+}
+
+template<> inline void ArgumentEncoder::encode(const float& n)
+{
+    encodeFloat(n);
+}
+
+template<> inline void ArgumentEncoder::encode(const double& n)
+{
+    encodeDouble(n);
+}
+
+} // namespace CoreIPC
+
+#endif // ArgumentEncoder_h