Move OpenTypeTypes to platform/

Source/core/platform/graphics/opentype/OpenTypeTypes.h

-/*
- * Copyright (C) 2012 Koji Ishii <kojiishi@gmail.com>
- *
- * 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 OpenTypeTypes_h
-#define OpenTypeTypes_h
-
-#include "platform/SharedBuffer.h"
-#include "wtf/ByteOrder.h"
-
-namespace WebCore {
-namespace OpenType {
-
-struct Int16 {
-    Int16(int16_t u) : v(htons(static_cast<uint16_t>(u))) { }
-    operator int16_t() const { return static_cast<int16_t>(ntohs(v)); }
-    uint16_t v; // in BigEndian
-};
-
-struct UInt16 {
-    UInt16(uint16_t u) : v(htons(u)) { }
-    operator uint16_t() const { return ntohs(v); }
-    uint16_t v; // in BigEndian
-};
-
-struct Int32 {
-    Int32(int32_t u) : v(htonl(static_cast<uint32_t>(u))) { }
-    operator int32_t() const { return static_cast<int32_t>(ntohl(v)); }
-    uint32_t v; // in BigEndian
-};
-
-struct UInt32 {
-    UInt32(uint32_t u) : v(htonl(u)) { }
-    operator uint32_t() const { return ntohl(v); }
-    uint32_t v; // in BigEndian
-};
-
-typedef UInt32 Fixed;
-typedef UInt16 Offset;
-typedef UInt16 GlyphID;
-
-// OTTag is native because it's only compared against constants, so we don't
-// do endian conversion here but make sure constants are in big-endian order.
-// Note that multi-character literal is implementation-defined in C++0x.
-typedef uint32_t Tag;
-#define OT_MAKE_TAG(ch1, ch2, ch3, ch4) ((((uint32_t)(ch4)) << 24) | (((uint32_t)(ch3)) << 16) | (((uint32_t)(ch2)) << 8) | ((uint32_t)(ch1)))
-
-template <typename T> static const T* validateTable(const RefPtr<SharedBuffer>& buffer, size_t count = 1)
-{
-    if (!buffer || buffer->size() < sizeof(T) * count)
-        return 0;
-    return reinterpret_cast<const T*>(buffer->data());
-}
-
-struct TableBase {
-protected:
-    static bool isValidEnd(const SharedBuffer& buffer, const void* position)
-    {
-        if (position < buffer.data())
-            return false;
-        size_t offset = reinterpret_cast<const char*>(position) - buffer.data();
-        return offset <= buffer.size(); // "<=" because end is included as valid
-    }
-
-    template <typename T> static const T* validatePtr(const SharedBuffer& buffer, const void* position)
-    {
-        const T* casted = reinterpret_cast<const T*>(position);
-        if (!isValidEnd(buffer, &casted[1]))
-            return 0;
-        return casted;
-    }
-
-    template <typename T> const T* validateOffset(const SharedBuffer& buffer, uint16_t offset) const
-    {
-        return validatePtr<T>(buffer, reinterpret_cast<const int8_t*>(this) + offset);
-    }
-};
-
-} // namespace OpenType
-} // namespace WebCore
-#endif // OpenTypeTypes_h