ihxostrm.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: ihxostrm.h,v 1.1.1.1.50.3 2004/07/09 01:45:13 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _IHXOSTRM_H
- #define _IHXOSTRM_H
- #include "hxcom.h"
- // These interfaces use HXString as one of the data primitives
- // that can be written/read from a stream. Makes life easy for
- // implementors of IHXStreamableObj
- #include "hxstring.h"
- //typedef interface IHXStreamableObj IHXStreamableObj;
- typedef _INTERFACE IHXObjOutStream IHXObjOutStream;
- typedef _INTERFACE IHXObjInStream IHXObjInStream;
- // {47533471-BECE-11d1-8F09-0060083BE561}
- DEFINE_GUID(IID_IHXStreamableObj, 0x47533471, 0xbece, 0x11d1, 0x8f, 0x9, 0x0, 0x60, 0x8, 0x3b, 0xe5, 0x61);
- #undef INTERFACE
- #define INTERFACE IHXStreamableObj
- DECLARE_INTERFACE_(IHXStreamableObj, IUnknown)
- {
- STDMETHOD(QueryInterface) (THIS_ REFIID riid, void** ppvObj) PURE;
- STDMETHOD_(ULONG32, AddRef) (THIS) PURE;
- STDMETHOD_(ULONG32, Release) (THIS) PURE;
- // this method is used to dump a binary
- // representation of itself to the Encoder Object.
- STDMETHOD(WriteObjToBits) (THIS_ IHXObjOutStream* pIOutStream) PURE;
- // this method is used to set the object's internal state
- // from the data in the Decoder Object.
- STDMETHOD(ReadObjFromBits) (THIS_ IHXObjInStream* pIInStream) PURE;
- };
- // {B3A156D1-BEDD-11d1-8F0A-0060083BE561}
- DEFINE_GUID(IID_IHXObjOutStream, 0xb3a156d1, 0xbedd, 0x11d1, 0x8f, 0xa, 0x0, 0x60, 0x8, 0x3b, 0xe5, 0x61);
- #undef INTERFACE
- #define INTERFACE IHXObjOutStream
- DECLARE_INTERFACE_(IHXObjOutStream, IUnknown)
- {
- STDMETHOD(QueryInterface) (THIS_ REFIID riid, void** ppvObj) PURE;
- STDMETHOD_(UINT32, AddRef) (THIS) PURE;
- STDMETHOD_(UINT32, Release) (THIS) PURE;
- STDMETHOD(Initialize) (THIS) PURE; // clean out buffers, start fresh!
-
- STDMETHOD_(UINT32, WriteObj) (THIS_ IHXStreamableObj* pObj) PURE;
- STDMETHOD_(UINT32, WriteObj) (THIS_ IHXStreamableObj& pObj) PURE;
- STDMETHOD_(UINT32, WriteUCHAR) (THIS_ UCHAR nValue) PURE;
- STDMETHOD_(UINT32, WriteUINT16) (THIS_ UINT16 nValue) PURE;
- STDMETHOD_(UINT32, WriteUINT32) (THIS_ UINT32 nValue) PURE;
- STDMETHOD_(UINT32, WriteString) (THIS_ const char* szValue) PURE;
- STDMETHOD_(UINT32, WriteStringCat) (THIS_ const char* szValue1,const char* szValue2,const char* szValue3=NULL) PURE;
- STDMETHOD_(UINT32, WriteLargeString) (THIS_ const char* szValue) PURE;
- STDMETHOD_(UINT32, WriteBuffer) (THIS_ const char* szBuffer, UINT32 nSize) PURE;
- // dump at specific positions (earlier positions than current offset)
- STDMETHOD_(UINT32, WriteUINT16At) (THIS_ UINT32 nOffset, UINT16 nValue) PURE;
- STDMETHOD_(UINT32, WriteUINT32At) (THIS_ UINT32 nOffset, UINT32 nValue) PURE;
-
- // get data and length
- STDMETHOD_(const char*, GetBuffer) (THIS) PURE;
- STDMETHOD_(UINT32, GetLength) (THIS) PURE;
- // get end of raw data buffer - used when dumping bits into the
- // stream and you want to know the current position in the stream
- STDMETHOD_(UINT32, GetOffset) (THIS) PURE;
- };
- // {B3A156D1-BEDD-11d1-8F0A-0060083BE561}
- DEFINE_GUID(IID_IHXObjInStream, 0xb3a156d2, 0xbedd, 0x11d1, 0x8f, 0xa, 0x0, 0x60, 0x8, 0x3b, 0xe5, 0x61);
- #undef INTERFACE
- #define INTERFACE IHXObjInStream
- DECLARE_INTERFACE_(IHXObjInStream, IUnknown)
- {
- STDMETHOD(QueryInterface) (THIS_ REFIID riid, void** ppvObj) PURE;
- STDMETHOD_(ULONG32, AddRef) (THIS) PURE;
- STDMETHOD_(ULONG32, Release) (THIS) PURE;
-
- STDMETHOD(Initialize) (THIS) PURE;
- STDMETHOD(Initialize) (THIS_ UCHAR* buf, UINT32 nLen) PURE;
-
- STDMETHOD_(UINT32, ReadObj) (THIS_ IHXStreamableObj* pObj) PURE;
- STDMETHOD_(UINT32, ReadObj) (THIS_ IHXStreamableObj& pObj) PURE;
-
- STDMETHOD_(UINT32, ReadUCHAR) (THIS_ UCHAR& nValue) PURE;
- STDMETHOD_(UINT32, ReadUINT16) (THIS_ UINT16& nValue) PURE;
- STDMETHOD_(UINT32, ReadUINT32) (THIS_ UINT32& nValue) PURE;
- STDMETHOD_(UINT32, ReadString) (THIS_ CHXString& strValue) PURE;
- STDMETHOD_(UINT32, ReadAndAllocCString) (THIS_ char*& pszValue) PURE;
- STDMETHOD_(UINT32, ReadLargeString) (THIS_ CHXString& strValue) PURE;
- STDMETHOD_(UINT32, ReadAndAllocLargeCString) (THIS_ char*& pszValue) PURE;
- STDMETHOD_(UINT32, ReadBuffer) (THIS_ char* szBuffer, UINT32 nSize) PURE;
- STDMETHOD_(BOOL, IsEndOfData) () PURE;
- // arbitrarily change offset position.
- STDMETHOD(Seek) (UINT32 nPos) PURE;
- STDMETHOD(SkipForward) (UINT32 nAmount) PURE;
-
- STDMETHOD_(UINT32, GetOffset) (THIS) PURE;
- // get data and length
- STDMETHOD_(const char*, GetBuffer) (THIS) PURE;
- STDMETHOD_(UINT32, GetLength) (THIS) PURE;
- };
- #endif