hkMemoryStreamReader.h
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- /*
- *
- * Confidential Information of Telekinesys Research Limited (t/a Havok). Not for disclosure or distribution without Havok's
- * prior written consent. This software contains code, techniques and know-how which is confidential and proprietary to Havok.
- * Level 2 and Level 3 source code contains trade secrets of Havok. Havok Software (C) Copyright 1999-2009 Telekinesys Research Limited t/a Havok. All Rights Reserved. Use of this software is subject to the terms of an end user license agreement.
- *
- */
- #ifndef HKBASE_MEMORY_STREAMREADER_H
- #define HKBASE_MEMORY_STREAMREADER_H
- #include <Common/Base/System/Io/Reader/hkStreamReader.h>
- /// Wraps a reader around a memory fragment.
- class hkMemoryStreamReader : public hkStreamReader
- {
- public:
- ///
- enum MemoryType
- {
- MEMORY_COPY,
- MEMORY_TAKE,
- MEMORY_INPLACE
- };
- /// Create a stream from the specified memory.
- /// If MemoryType is MEMORY_COPY, the memory is copied into
- /// an internal buffer and freed on destruction.
- /// MEMORY_TAKE will take ownership of the memory (which was
- /// allocated with hkAllocate) and hkDeallocate it on destruction.
- /// MEMORY_INPLACE will use the memory in place
- /// and must exist for the lifetime of this object.
- hkMemoryStreamReader(const void* mem, int memSize, MemoryType t);
- ~hkMemoryStreamReader();
- virtual int read(void* buf, int nbytes);
- virtual int skip(int nbytes);
- virtual hkBool isOk() const;
- /// Marks up to buffer size are supported.
- virtual hkBool markSupported() const;
- /// Marks up to buffer size are supported.
- virtual hkResult setMark(int markLimit);
- /// Marks up to buffer size are supported.
- virtual hkResult rewindToMark();
- /// Seek/tell is supported.
- virtual hkBool seekTellSupported() const;
- virtual hkResult seek(int offset, SeekWhence whence);
- virtual int tell() const;
- protected:
- char* m_buf;
- int m_bufCurrent; // current byte index
- int m_bufSize; // end of usable buffer size
- int m_markPos; // start of marked region
- MemoryType m_memType; // owned or referenced
- };
- #endif //HKBASE_MEMORY_STREAMREADER_H
- /*
- * Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20090216)
- *
- * Confidential Information of Havok. (C) Copyright 1999-2009
- * Telekinesys Research Limited t/a Havok. All Rights Reserved. The Havok
- * Logo, and the Havok buzzsaw logo are trademarks of Havok. Title, ownership
- * rights, and intellectual property rights in the Havok software remain in
- * Havok and/or its suppliers.
- *
- * Use of this software for evaluation purposes is subject to and indicates
- * acceptance of the End User licence Agreement for this product. A copy of
- * the license is included with this software and is also available at www.havok.com/tryhavok.
- *
- */