libxspf  1.2.0
XspfExtension.h
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00001 /*
00002  * libxspf - XSPF playlist handling library
00003  *
00004  * Copyright (C) 2006-2008, Sebastian Pipping / Xiph.Org Foundation
00005  * All rights reserved.
00006  *
00007  * Redistribution  and use in source and binary forms, with or without
00008  * modification,  are permitted provided that the following conditions
00009  * are met:
00010  *
00011  *     * Redistributions   of  source  code  must  retain  the   above
00012  *       copyright  notice, this list of conditions and the  following
00013  *       disclaimer.
00014  *
00015  *     * Redistributions  in  binary  form must  reproduce  the  above
00016  *       copyright  notice, this list of conditions and the  following
00017  *       disclaimer   in  the  documentation  and/or  other  materials
00018  *       provided with the distribution.
00019  *
00020  *     * Neither  the name of the Xiph.Org Foundation nor the names of
00021  *       its  contributors may be used to endorse or promote  products
00022  *       derived  from  this software without specific  prior  written
00023  *       permission.
00024  *
00025  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00026  * "AS  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  NOT
00027  * LIMITED  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND  FITNESS
00028  * FOR  A  PARTICULAR  PURPOSE ARE DISCLAIMED. IN NO EVENT  SHALL  THE
00029  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00030  * INCIDENTAL,    SPECIAL,   EXEMPLARY,   OR   CONSEQUENTIAL   DAMAGES
00031  * (INCLUDING,  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00032  * SERVICES;  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00033  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
00034  * STRICT  LIABILITY,  OR  TORT (INCLUDING  NEGLIGENCE  OR  OTHERWISE)
00035  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
00036  * OF THE POSSIBILITY OF SUCH DAMAGE.
00037  *
00038  * Sebastian Pipping, sping@xiph.org
00039  */
00040 
00046 #ifndef XSPF_EXTENSION_H
00047 #define XSPF_EXTENSION_H
00048 
00049 
00050 #include "XspfDefines.h"
00051 
00052 namespace Xspf {
00053 
00054 
00055 class XspfXmlFormatter;
00056 class XspfExtensionWriter;
00057 class XspfTrackWriter;
00058 class XspfPropsWriter;
00059 class XspfExtensionPrivate;
00060 
00061 
00065 class XspfExtension {
00066 
00067 private:
00069         XspfExtensionPrivate * const d; 
00070 
00071 
00072 protected:
00078         XspfExtension(XML_Char const * applicationUri);
00079 
00080 public:
00086         XspfExtension(XspfExtension const & source);
00087 
00093         XspfExtension & operator=(XspfExtension const & source);
00094 
00099         virtual ~XspfExtension();
00100 
00106         virtual XspfExtension * clone() const = 0;
00107 
00113         XML_Char const * getApplicationUri() const;
00114 
00123         virtual XspfExtensionWriter * newWriter(XspfXmlFormatter * output,
00124                         XML_Char const * baseUri) const = 0;
00125 
00126 protected:
00128         void virtualHook(int methodId, void * parameters);
00130 
00131 };
00132 
00133 
00134 } // namespace Xspf
00135 
00136 #endif // XSPF_EXTENSION_H
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