hxpluginarchive.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK *****
 * Version: RCSL 1.0/RPSL 1.0
 *
 * Portions Copyright (c) 1995-2002 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
 * Version 1.0 (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the RealNetworks Community Source License Version 1.0
 * (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
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 * 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.
 *
 * 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.
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 * This file, and the files included with this file, is distributed and made
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 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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 * Technology Compatibility Kit Test Suite(s) Location:
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 * Contributor(s):
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 * ***** END LICENSE BLOCK ***** */

#ifndef HXPLUGINARCHIVE_H__
#define HXPLUGINARCHIVE_H__


#include "hxstring.h"
#include "hxtypes.h"
#include "hxcom.h"

_INTERFACE IHXValues;
_INTERFACE IHXBuffer;
_INTERFACE IHXCommonClassFactory;

class CHXDataFile;

// class HXPluginArchiveWriter
class HXPluginArchiveWriter
{
public:
    HXPluginArchiveWriter();
    ~HXPluginArchiveWriter();

    HX_RESULT Open(IUnknown* pContext, const char* pszFile);
    void Close();

    void Write(const char* psz);
    void Write(IHXValues* pval);
    void Write(UINT32 val);
    void Write(UINT16 val);
    void Write(IHXBuffer* pBuffer);
    void Write(bool b);
    void Break();

protected:
    void EscapeValue(const CHXString& str, CHXString& strOut);

private:

    CHXDataFile* m_pFile;
    bool m_bAtLeastOneVal;
};

// class HXPluginArchiveReader
class HXPluginArchiveReader
{
public:
    HXPluginArchiveReader();
    ~HXPluginArchiveReader();

    HX_RESULT Open(IUnknown* pContext, const char* pszFile);
    void Close();

    bool Read(IHXValues*& pval);
    void Read(UINT32& val);
    void Read(UINT16& val);
    void Read(CHXString& str);
    void Read(IHXBuffer*& pBuff);
    void Read(bool& b);
    bool AtEnd();


protected:
    void LoadFile();
    void GetNextToken(CHXString& str, char chTerm);
    bool ScanSpaceTo(char ch);
   
private:

    CHXDataFile* m_pFile;
    CHXString m_strFile;
    UINT32 m_idxFile;
    IHXCommonClassFactory* m_pFactory;
};

inline
bool HXPluginArchiveReader::AtEnd()
{
    return m_idxFile == m_strFile.GetLength();
}

//XXXLCM util
struct HXBufferUtil
{
    static IHXBuffer* CreateBuffer(IHXCommonClassFactory* pFact, const char* psz);
};


#endif /* HXPLUGINARCHIVE_H__ */