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_READER_H 00047 #define XSPF_EXTENSION_READER_H 00048 00049 00050 #include "XspfDefines.h" 00051 #include <string> 00052 00053 namespace Xspf { 00054 00055 00056 template <class T> class XspfStack; 00057 class XspfReader; 00058 class XspfExtension; 00059 class XspfExtensionReaderPrivate; 00060 class XspfExtensionReaderFactoryPrivate; 00061 00062 00066 class XspfExtensionReader { 00067 00068 friend class XspfReader; 00069 friend class XspfReaderPrivate; 00070 friend class XspfExtensionReaderFactory; 00071 friend class XspfExtensionReaderFactoryPrivate; 00072 00073 private: 00075 XspfExtensionReaderPrivate * const d; 00076 00077 00078 public: 00084 XspfExtensionReader(XspfReader * reader); 00085 00091 XspfExtensionReader(XspfExtensionReader const & source); 00092 00098 XspfExtensionReader & operator=(XspfExtensionReader const & source); 00099 00104 virtual ~XspfExtensionReader(); 00105 00106 protected: 00113 bool handleError(int code, XML_Char const * text); 00114 00122 bool handleError(int code, XML_Char const * format, XML_Char const * param); 00123 00129 XspfStack<unsigned int> & getElementStack() const; 00130 00136 XspfStack<std::basic_string<XML_Char> > & getBaseUriStack() const; 00137 00144 bool handleXmlBaseAttribute(XML_Char const * xmlBase); 00145 00146 protected: 00155 virtual bool handleExtensionStart(XML_Char const * fullName, 00156 XML_Char const ** atts) = 0; 00157 00165 virtual bool handleExtensionEnd(XML_Char const * fullName) = 0; 00166 00173 virtual bool handleExtensionCharacters(XML_Char const * s, int len) = 0; 00174 00180 virtual XspfExtension * wrap() = 0; 00181 00189 virtual XspfExtensionReader * createBrother(XspfReader * reader) const = 0; 00190 00191 private: 00199 XspfExtensionReader * createBrother() const; 00200 00201 protected: 00203 void virtualHook(int methodId, void * parameters); 00205 00206 }; 00207 00208 00209 } // namespace Xspf 00210 00211 #endif // XSPF_EXTENSION_READER_H
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