GroovX: src/io/xmlparser.h Source File

00001 
00003 
00004 //
00005 // Copyright (c) 2004-2004 California Institute of Technology
00006 // Copyright (c) 2004-2007 University of Southern California
00007 // Rob Peters <rjpeters at usc dot edu>
00008 //
00009 // created: Tue May 25 10:29:24 2004
00010 // commit: $Id: xmlparser.h 10065 2007-04-12 05:54:56Z rjpeters $
00011 // $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/io/xmlparser.h $
00012 //
00013 // --------------------------------------------------------------------
00014 //
00015 // This file is part of GroovX.
00016 //   [http://ilab.usc.edu/rjpeters/groovx/]
00017 //
00018 // GroovX is free software; you can redistribute it and/or modify it
00019 // under the terms of the GNU General Public License as published by
00020 // the Free Software Foundation; either version 2 of the License, or
00021 // (at your option) any later version.
00022 //
00023 // GroovX is distributed in the hope that it will be useful, but
00024 // WITHOUT ANY WARRANTY; without even the implied warranty of
00025 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00026 // General Public License for more details.
00027 //
00028 // You should have received a copy of the GNU General Public License
00029 // along with GroovX; if not, write to the Free Software Foundation,
00030 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
00031 //
00033 
00034 #ifndef GROOVX_IO_XMLPARSER_H_UTC20050626084021_DEFINED
00035 #define GROOVX_IO_XMLPARSER_H_UTC20050626084021_DEFINED
00036 
00037 #include <expat.h>
00038 #include <iosfwd>
00039 
00040 namespace io
00041 {
00042   class xml_parser;
00043 }
00044 
00045 class io::xml_parser
00046 {
00047 public:
00048   xml_parser(std::istream& is, int bufsize = 8192);
00049 
00050   virtual ~xml_parser();
00051 
00052   void parse();
00053 
00054 protected:
00055   virtual void element_start(const char* el, const char** attr) = 0;
00056   virtual void element_end(const char* el) = 0;
00057 
00059   virtual void character_data(const char* text, int length);
00060 
00061 private:
00062   xml_parser(const xml_parser&);
00063   xml_parser& operator=(const xml_parser&);
00064 
00065   static void c_element_start(void* data, const char* el, const char** attr);
00066   static void c_element_end(void* data, const char* el);
00067   static void c_character_data(void* data, const char* text, int length);
00068 
00069   XML_Parser     const m_parser;
00070   std::istream&        m_stream;
00071   int            const m_buf_size;
00072 };
00073 
00074 static const char __attribute__((used)) vcid_groovx_io_xmlparser_h_utc20050626084021[] = "$Id: xmlparser.h 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file:
00075 #endif // !GROOVX_IO_XMLPARSER_H_UTC20050626084021_DEFINED