rtsppars.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 
 * 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.  
 *  
 * 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 ***** */ 

/*
 * Class:
 *	RTSPParser
 * 
 * Purpose:
 *	Transform RTSP/1.0 data into RTSPMessage objects. 
 *
 */

#ifndef _RTSPPARS_H_
#define _RTSPPARS_H_

#include "mimescan.h"
#include "hxstring.h"
#include "hxslist.h"
#include "rtspmsg.h"

class RTSPParser
{
public:
    RTSPParser();
    ~RTSPParser();

    RTSPMessage* parse(const char* pMsg, UINT32& nMsgLen);

private:
    MIMEHeader* parseHeader(CHXString& str);
    int parseParameter(const char* parameter, MIMEHeader* pHeader);
    int parseHeaderValue(const char* pValue, MIMEHeader* pHeader);
    int parseRangeValue(const char* pValue, MIMEHeader* pHeader);
    int parseAuthenticationValue(const char* pValue, MIMEHeader* pHeader);
    int parseWWWAuthenticateHeaderValues(const char* pValue, 
					 MIMEHeader* pHeader);
    int parseDigestAuthorizationHeaderValues(const char* pValue,
					 MIMEHeader* pHeader);
    int parsePEPInfoHeaderValues(const char* pValue, MIMEHeader* pHeader);
    int parseRTPInfoHeaderValues(const char* pValue, MIMEHeader* pHeader);
    const char* NextRTPInfoEntry(const char* pValue, const char* pTarget, const char cDelimiter);
    int ReadRTPInfoEntry(CHXString in, INT32 i, INT32 length, CHXString& out);
    int SetRTPInfoEntry(CHXString in, MIMEHeader* pHeader);
    int parseBackChannelValue(const char* pValue, MIMEHeader* pHeader);
    int parseAlertValue(const char* pValue, MIMEHeader* pHeader);
    int defaultParseHeaderValues(const char* pValue, MIMEHeader* pHeader);
    int parseProtocolVersion(const CHXString& prot, int& major, int& minor);

    UINT32 scanMessageHeader(const char* pMsg, UINT32 nMsgLen);

    RTSPMessage* parseResponse();
    RTSPResponseMessage* parseResponseLine(CHXString& str);

    RTSPMessage* parseRequest();
    RTSPRequestMessage* parseRequestLine(CHXString& str);

    void clearMessageLines();

    CHXSimpleList m_msglines;
};

#endif	/* _RTSPPARS_H_ */